JP6989690B2 - Portable battery charger - Google Patents

Description

The present invention relates to a portable battery charger.
The present invention claims priority based on Japanese Patent Application No. 2018-044463 filed in Japan on March 12, 2018, the contents of which are incorporated herein by reference.

Conventionally, there is a charger for charging a battery used in an electric vehicle, for example, one disclosed in Patent Document 1. Patent Document 1 discloses a portable power supply device including a battery that supplies operating power to an electric device, and a charger that is detachably attached to the battery to charge the battery.

Japanese Patent Application Laid-Open No. 2013-99200

By the way, in a charger used for charging a battery used in a motorcycle or the like, water may enter the inside of the charger, so that it is desired to improve the waterproof performance (water resistance performance) of the charger.

Therefore, an object of the present invention is to improve the waterproof performance of the charger in a portable battery charger.

As a means for solving the above problems, the aspect of the present invention has the following configuration.
(1) The portable battery charger according to the aspect of the present invention controls the charging of the battery chamber (6) on which the portable battery (45) used in an electric vehicle is placed and the battery (45). stores substrate (71, 72), provided with a substrate chamber (7) close to the installation surface of the charger (1) is installed (FL) than the battery chamber (6), said battery chamber (6 ) Provided a battery chamber bottom wall (60) on which the battery (45) is placed, and a battery chamber side wall (61) connected to the battery chamber bottom wall (60). A flange portion (62) extending from the outer periphery of the bottom wall (60) of the battery chamber in a direction opposite to the substrate chamber (7) is provided outside the 61), and the substrate chamber (7) is provided with the substrate chamber (7). It is arranged inside the outer peripheral edge of the battery chamber bottom wall (60) .

(2) In the portable battery charger according to (1) above, the substrate chamber (7) is arranged below the battery chamber (6), and the flange portion (62) is the bottom of the battery chamber. It may extend upward from the outer periphery of the wall (60).

(3) In the portable battery charger according to (1) or (2) above, the charger bottom (2) closer to the installation surface (FL) than the substrate chamber (7) and the battery chamber. A drain pipe (65) connecting the bottom wall (60) and the bottom of the charger (2) may be further provided.

(4) In the portable battery charger according to (3) above, the installation surface (FL) is such that at least a part of the battery chamber bottom wall (60) is closer to the position of the drain pipe (65). It may be inclined so as to be close to.

(5) In the portable battery charger according to (3) or (4) above, the charger bottom (2) has a recess (23) forming a gap between the charger and the installation surface (FL). The recess (23) may be provided with a drain port (24) communicating with the drain pipe (65).

(6) In the portable battery charger according to any one of (1) to (5) above, an opening (39) is formed so that the battery (45) can be inserted and taken out. A cover member (4) that covers the side wall (3) of the charger (1) from the outside is further provided, and the cover member (4) is inside the cover member (4) and the battery compartment side wall (61). ) May be provided with a cover-side flange (41) extending toward the installation surface (FL).

(7) In the portable battery charger according to (6) above, the cover-side flange (41) is a cover-side first flange (42) arranged along the outer periphery of the cover member (4). You may prepare.

(8) In the portable battery charger according to (6) or (7) above, the cover-side flange (41) is so far outward from the battery chamber side wall (61) that the installation surface (FL). ) May be provided with a cover-side second flange (43) having an extending edge (44) that is inclined so as to be close to.

(9) The portable battery charger according to any one of (1) to (8) above further includes a terminal portion (9) to which the battery (45) is connected, and the terminal portion (9). ) May be arranged at a position higher than the extending end of the flange portion (62).

(10) The portable battery charger according to the aspect of the present invention controls the charging of the battery chamber (6) on which the portable battery (45) used in the electric vehicle is placed and the battery (45). The battery chamber (6) is provided with a board chamber (7) for storing the substrate (71, 72) and closer to the installation surface (FL) on which the charger (1) is installed than the battery chamber (6). ) Provided a battery chamber bottom wall (60) on which the battery (45) is placed, and a battery chamber side wall (61) connected to the battery chamber bottom wall (60). A flange portion (62) extending from the outer periphery of the bottom wall (60) of the battery chamber in a direction opposite to the substrate chamber (7) is provided on the outside of the battery chamber (61), and the battery (45) can be inserted. Further, a cover member (4) is formed so as to form an opening (39) that can be taken out and covers the side wall (3) of the charger (1) from the outside, and the cover member (4) is provided with the cover member (4). A cover-side flange (41) extending toward the installation surface (FL) is provided inside the cover member (4) and outside the battery compartment side wall (61), and the cover-side flange (41) is provided with the cover-side flange (41). It is provided with a cover-side second flange (43) having an extending end edge (44) that is inclined so as to be closer to the installation surface (FL) so as to be separated outward from the battery chamber side wall (61).

According to the portable battery charger according to the above (1) and (10) of the present invention, the outer side wall of the battery chamber extends from the outer periphery of the bottom wall of the battery chamber in the direction opposite to the substrate chamber. By providing the flange portion, even if water enters the battery chamber, the water that has entered the battery chamber is blocked by the flange portion, so that it is possible to prevent water from directly flowing into the substrate chamber. can. Therefore, the waterproof performance of the charger can be improved. In addition, since the board chamber is closer to the installation surface than the battery chamber, the installation area of the charger can be reduced as compared with the case where the board chamber and the battery chamber are arranged along the installation surface. ..

According to the portable battery charger according to the above (2) of the present invention, the substrate chamber is arranged below the battery chamber, and the flange portion extends upward from the outer periphery of the bottom wall of the battery chamber. Even when the charger that stands upright is placed on the installation surface parallel to the horizontal plane, the water that has entered the battery compartment is blocked by the flange, so it is necessary to prevent the water from flowing directly into the substrate chamber. It is possible to improve the waterproof performance of the charger.

According to the portable battery charger according to the above (3) of the present invention, a charger bottom closer to the installation surface than the substrate chamber, a drain pipe connecting the battery chamber bottom wall and the charger bottom, and the like. Further, since the water that has entered the battery chamber flows to the bottom of the charger through the drain pipe, it is possible to more effectively prevent the water from flowing to the substrate chamber.

According to the portable battery charger according to the above (4) of the present invention, at least a part of the bottom wall of the battery chamber is inclined so as to be closer to the installation surface as it is closer to the position of the drain pipe. Since the water that has flooded the battery chamber flows toward the drain pipe along the inclination of the bottom wall of the battery chamber, drainage to the drain pipe can be performed more effectively.

According to the charger of the portable battery according to the above (5) of the present invention, the bottom of the charger is provided with a recess forming a gap between the charger and the installation surface, and the recess is a drain port communicating with a drain pipe. By providing, the following effects are achieved. For example, when the bottom of the charger is in contact with the installation surface, if the water that has entered the battery chamber flows to the bottom of the charger through the drain pipe, it is highly likely that the water will not easily come out from the drain pipe. On the other hand, according to the fifth aspect of the present invention, a gap is formed between the concave portion at the bottom of the charger and the installation surface, and the drainage port is provided in the concave portion, so that the water that has entered the battery chamber is provided. When the battery flows to the bottom of the charger through the drain pipe, drainage from the drain pipe can be smoothly performed through the drain port.

According to the portable battery charger according to the above (6) and (10) of the present invention, a cover is formed to open an opening so that the battery can be inserted and taken out, and the side wall of the charger is covered from the outside. Further, the cover member is provided with a cover-side flange extending toward the installation surface inside the cover member and outside the side wall of the battery chamber, thereby achieving the following effects. Even if water enters the inside of the charger through the gap between the side wall of the charger and the cover member, the water that has entered through the gap is transmitted through the cover side flange, so that water flows into the battery chamber or the substrate chamber. You can avoid that.

According to the charger of the portable battery according to the above (7) of the present invention, the cover-side flange includes the cover-side first flange arranged along the outer periphery of the cover member, so that water that has entered through the gap is provided. Is shielded by the first flange on the cover side, so that it is possible to more effectively prevent water from flowing into the battery chamber or the substrate chamber.

According to the portable battery charger according to the above (8) and (10) of the present invention, the cover-side flange extends so as to be inclined so as to be closer to the installation surface so as to be separated outward from the side wall of the battery chamber. By providing the second flange on the cover side having an edge, it is possible to prevent the water that has entered through the gap from flowing along the second flange on the cover side toward the side wall of the battery chamber, and the water flows into the battery chamber or the substrate chamber. Can be avoided more effectively.

According to the portable battery charger according to the above ( 1 ) of the present invention, the substrate chamber is arranged inside the outer peripheral edge of the bottom wall of the battery chamber, so that the water that has entered the battery chamber is flanged. Even when the portion is crossed over, the water that has crossed the flange portion flows outward from the outer peripheral edge of the bottom wall of the battery chamber, so that it is possible to more effectively prevent the water from flowing into the substrate chamber.

According to the portable battery charger according to the above ( 9 ) of the present invention, a terminal portion to which the battery is connected is further provided, and the terminal portion is arranged at a position higher than the extending end of the flange portion. As a result, even when the water that has entered the battery chamber reaches the extending end of the flange portion, the terminal portion is arranged at a position higher than the water surface, so that the water intrusion into the terminal portion can be avoided.

It is a perspective view of the charger which concerns on embodiment. It is a top view of the charger which concerns on embodiment. It is a bottom view of the charger which concerns on embodiment. It is a front view of the charger which concerns on embodiment. It is a figure including the VV cross section of FIG. It is a perspective view of the inside of the charger which concerns on embodiment. FIG. 6 is a diagram in which the lid and the connecting pillar are removed. It is a perspective view of the peripheral part of the drain pipe which concerns on embodiment. It is a top view which shows the charger which concerns on embodiment together with a battery. It is a rear view which shows the charger which concerns on embodiment with a battery. It is explanatory drawing of the arrangement position of the terminal part which concerns on embodiment. It is sectional drawing of the cover side flange which concerns on embodiment. It is sectional drawing of the bottom wall of the battery chamber which concerns on the modification of embodiment. It is sectional drawing of the cover side flange which concerns on the modification of embodiment. It is a perspective view of the internal structure of the charger which concerns on the modification of embodiment. It is a perspective view which shows the state which the stage which concerns on the modification of embodiment is located at the uppermost position. It is a perspective view which shows the state which the stage which concerns on the modification of embodiment has moved to the lowermost part.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In each figure, the same reference numerals are given to the same configurations. In the embodiment, as an example of a portable battery charger, a portable battery (mobile battery) charger used in an electric motorcycle (saddle-mounted electric vehicle) will be described. In the embodiment, the installation surface on which the charger for the portable battery (hereinafter, also simply referred to as “battery”) (hereinafter, also simply referred to as “charger”) is installed is an indoor flat floor surface.

<Charger 1>
As shown in FIG. 1, the charger 1 has a base 2 constituting the bottom of the charger 1, an exterior body 3 constituting the side wall of the charger 1, and a battery 45 (see FIG. 10) that can be inserted and removed. The cover member 4 forming the opening 39 (hereinafter, also referred to as “battery opening 39”), the frame 5 (see FIG. 6) constituting the skeleton of the charger 1, and the battery chamber 6 on which the battery 45 is placed are placed. (See FIG. 5), a board chamber 7 (see FIG. 5) for storing a board for controlling charging of the battery 45, a stage 8 on which the battery 45 can be placed, and a terminal portion 9 (see FIG. 5) that can be fitted to the battery 45. (See FIG. 5), a buffer mechanism 10 (see FIG. 6) that suppresses the fitting speed of the battery 45 to the terminal portion 9, and a guide mechanism 11 (see FIG. 6) that guides the stage 8.

In the following description, the depth direction (direction orthogonal to the paper surface shown in FIG. 4) when the charger 1 is installed on the floor FL is "front-back direction", and the normal direction (vertical direction) of the floor FL is "vertical direction". The direction orthogonal to each of the "vertical direction", the front-back direction and the up-down direction is defined as the "left-right direction". In the figure, the front is indicated by an arrow FR, the upper part is indicated by an arrow UP, and the left side is indicated by an arrow LH.

<Base 2>
In the bottom view of FIG. 3, the base 2 has a rectangular shape having a length in the left-right direction. The four corners of the base 2 form an outwardly convex arc. As shown in FIG. 5, the base 2 includes a base main body 20 that supports the components of the charger 1 from below, and legs 21 that extend from the four corners of the base main body 20 toward the floor surface. A base flange 22 extending upward from the four sides of the base body 20 is provided.
In the embodiment, the leg 21 is not provided with a drainage port. In FIG. 3, reference numeral 27 indicates a power plug, and reference numeral 28 indicates a cooling fan.

As shown in FIG. 5, the base 2 includes a recess 23 that forms a gap between the base 2 and the floor surface FL. In the cross-sectional view of FIG. 5, the recess 23 is formed by the lower surface of the base body 20 and the outer surface of the pair of legs 21. The recess 23 is provided with a drainage port 24 (see FIG. 3) communicating with the drain pipe 65 (see FIG. 8).

<Exterior body 3>
In the front view of FIG. 4, the exterior body 3 has a trapezoidal shape in which the lower side is shorter than the upper side. The exterior body 3 has a rectangular tubular shape extending in the vertical direction so that the opening area increases toward the upper side. The lower end of the exterior body 3 is connected to the base 2.

As shown in FIG. 3, the left-right width of the exterior body 3 is larger than the front-rear width of the exterior body 3. The exterior body 3 includes a front wall 31, a rear wall 32, a left wall 33, and a right wall 34. The front wall 31 and the rear wall 32 face each other with a space in the front-rear direction. The left wall 33 and the right wall 34 face each other with a space in the left-right direction. The front wall 31, the rear wall 32, the left wall 33 and the right wall 34 are connected to each other with adjacent walls. The front wall 31, the rear wall 32, the left wall 33, and the right wall 34 are integrally formed of the same member. In the bottom view of FIG. 3, the connecting portion between the front and rear walls 31 and 32 and the left and right walls 33 and 34 has an outwardly convex arc shape.

As shown in FIG. 4, a trapezoidal concave portion 35 (hereinafter, also referred to as “trapezoidal concave portion 35”) recessed upward is provided in the lower portion of the exterior body 3. The trapezoidal recess 35 is provided in the lower center of each of the front wall 31, the rear wall 32, the left wall 33, and the right wall 34. A part of the base 2 is exposed to the outside through the trapezoidal recess 35.

<Cover member 4>
In the top view of FIG. 2, the cover member 4 has a rectangular frame shape having a length in the left-right direction. In the top view of FIG. 2, the outer shape of the cover member 4 is larger than the outer shape of the base 2 (see FIG. 3). The four corners of the cover member 4 have an outwardly convex arc shape.

As shown in FIG. 4, the cover member 4 is attached to the upper end portion of the exterior body 3. The cover member 4 covers the exterior body 3 from above. An introduction port 38 is provided between the upper end of the exterior body 3 and the cover member 4 so as to allow the cooling air to be introduced.

As shown in FIG. 5, the cover member 4 includes a cover main body 40 forming the battery opening 39, and a cover side flange 41 extending downward from the cover main body 40. In the top view of FIG. 9, the battery opening 39 has substantially the same contour as the outer shape of the battery 45.

FIG. 12 is a diagram including a cross section corresponding to FIG.
As shown in FIG. 12, the cover-side flange 41 is arranged between the cover-side first flange 42 arranged along the outer periphery of the cover main body 40, the cover-side first flange 42, and the outer peripheral edge of the battery opening 39. The cover-side second flange 43 is provided.

The cover-side first flange 42 has a rectangular frame shape along the outer periphery of the cover main body 40. The cover-side first flange 42 is provided at a uniform height over the entire circumference of the cover main body 40. In the cross-sectional view of FIG. 12, the cover-side first flange 42 extends downward from the cover main body 40 in a straight line.

The cover-side second flange 43 is arranged at the four corners of the cover main body 40. The cover-side second flange 43 has an extending end edge 44 that is linearly inclined so as to be located downward so as to be separated outward from the battery chamber side wall 61. In other words, the extending end edge 44 of the cover-side second flange 43 is linearly inclined so as to be located upward so as to be closer to the inside of the battery chamber 6.

As shown in FIG. 10, the battery 45 has a rectangular parallelepiped shape. For example, the battery 45 is a lithium ion battery 45.
In the top view of FIG. 9, the battery 45 has a front side 45a extending in the left-right direction, a rear side 45b having a convex rearward curved shape, and a pair of left and right left sides 45c and right side 45d extending in the front-rear direction. ,have. In FIGS. 9 and 10, reference numeral 46 indicates a grip portion (handle) for gripping the battery 45.

In the top view of FIG. 9, the battery opening 39 has a leading edge 39a extending in the left-right direction, a trailing edge 39b having a convex rearward curved shape, a pair of left-right left edges 39c extending in the front-rear direction, and the right. It is partitioned by the edge 39d.
As a result, even if the battery 45 is inserted into the battery opening 39 with the battery 45 turned upside down, the convex portion of the rear side 45b of the battery 45 hits the front edge 39a of the battery opening 39, so that the battery 45 is inserted into the battery opening 39. It cannot be inserted into.

<Frame 5>
As shown in FIG. 6, the frame 5 has a frame-shaped frame 50 arranged on the upper part of the charger 1 and a plate-shaped first plate 51 arranged above and below the frame 50 and the base 2. A plate-shaped second plate 52 arranged above and below the first plate 51 and the base 2, a plurality of connecting columns 53 connecting the frame body 50, the first plate 51 and the second plate 52, and To prepare for.

The frame 50 and the first plate 51 partition the battery chamber 6.
The first plate 51 and the second plate 52 partition the substrate chamber 7. The second plate 52 is connected to the base 2. In FIG. 6, reference numeral 54 indicates a second plate connecting leg extending downward from the outer peripheral end of the second plate 52 in an L shape to connect the second plate 52 and the base 2.

The connecting pillar 53 extends in the vertical direction. The upper end of the connecting column 53 extends above the frame 50. The lower end of the connecting pillar 53 is connected to the base 2 (base main body 20). In the embodiment, a total of three connecting columns 53 are arranged, one on each of the front portion, the left portion, and the right portion of the charger 1. The upper half of the connecting pillar 53 constitutes a guide mechanism 11 for guiding the stage 8.

A frame body 50 is connected to the upper part of the connecting pillar 53 from the outside.
The first plate 51 is connected to the upper and lower intermediate portions of the connecting pillar 53. In FIG. 6, reference numeral 55 indicates a first plate connecting piece extending outward from the outer peripheral end of the first plate 51 to form an insertion portion (connecting portion) of the connecting pillar 53.

<Battery room 6>
As shown in FIG. 5, the battery chamber 6 includes a battery chamber bottom wall 60 on which the battery 45 is placed, and a battery compartment side wall 61 connected to the battery chamber bottom wall 60.

The battery chamber bottom wall 60 has a rectangular plate shape. The battery chamber bottom wall 60 is fixed to the upper surface of the first plate 51. The stage 8 is housed together with the battery 45 (see FIG. 10) in the space above the bottom wall 60 of the battery chamber. The outer shape of the battery chamber bottom wall 60 is larger than the outer shape of the battery 45 and the stage 8. In an embodiment, the battery compartment bottom wall 60 is arranged substantially horizontally.
The battery chamber side wall 61 stands upward from the outer periphery of the battery chamber bottom wall 60.

A flange portion 62 (hereinafter, also referred to as “battery chamber flange 62”) extending upward from the outer periphery of the battery chamber bottom wall 60 is provided on the outer side of the battery chamber side wall 61. As shown in FIG. 6, the battery chamber flange 62 is provided at a uniform height over the entire circumference of the battery chamber bottom wall 60.

As shown in FIG. 8, a drain pipe 65 connecting the battery chamber bottom wall 60 and the base 2 is provided in the front portion of the battery chamber 6. The drain pipe 65 is a pipe extending in the vertical direction. In FIG. 8, reference numeral 66 indicates a drain connection portion extending forward from the front end of the battery chamber bottom wall 60 to which the upper end of the drain pipe 65 is connected.

<Board room 7>
As shown in FIG. 5, the substrate chamber 7 is arranged below the battery chamber 6. From the top view, the substrate chamber 7 is arranged inside the outer peripheral edge of the battery chamber bottom wall 60. In other words, when viewed from above, the outer shape of the substrate chamber 7 is smaller than the outer shape of the battery chamber bottom wall 60.
The board chamber 7 houses a plurality of boards 71, 72 (hereinafter, also referred to as “control boards 71, 72”) that control charging of the battery 45 (see FIG. 10), and a plurality of control boards 71, 72. A bottom wall 70 and the like are provided.

The plurality of control boards 71 and 72 include a plurality of first control boards 71 mounted in the central portion of the substrate chamber bottom wall 70, and a plurality of second control boards 72 standing upward from the outer periphery of the substrate chamber bottom wall 70. ,.
The plurality of first control boards 71 are surrounded by the plurality of second control boards 72.
The plurality of second control boards 72 are arranged with a control circuit for controlling the charging of the battery 45 facing inward (center of the board chamber 7). The second control board 72 functions as a side wall of the battery chamber 6. The outer surface of the second control board 72 faces the inner surface of the exterior body 3. A fin or a heat sink may be provided on the outer surface of the second control board 72.

When viewed from above, the substrate chamber bottom wall 70 has a rectangular plate shape smaller than the battery chamber bottom wall 60. The substrate chamber bottom wall 70 is arranged above the second plate 52. The substrate chamber bottom wall 70 is fixed to the upper surface of the second plate 52 via a columnar spacer 73 extending in the vertical direction. A fin or a heat sink may be provided on the lower surface of the bottom wall 70 of the substrate chamber.

<Stage 8>
As shown in FIG. 5, the stage 8 is arranged inside the battery opening 39. The stage 8 is movable in the vertical direction. The terminal portion 9 is arranged below the stage 8 in a state where the battery 45 is not placed on the stage 8 (the position of the stage 8 shown by the alternate long and short dash line in FIG. 5). When the battery 45 is placed on the stage 8, the stage 8 moves downward to fit the battery 45 to the terminal portion 9. In FIG. 5, the state in which the stage 8 is moved to the lowermost position is shown by a solid line.

In the top view of FIG. 2, the stage 8 has a rectangular shape. When viewed from above, the stage 8 has substantially the same outer shape as the outer shape of the battery 45 (see FIG. 9). In the top view of FIG. 2, the stage 8 has a front side 8a extending in the left-right direction, a rear side 8b having a convex curved shape in the rear, and a pair of left and right sides 8c and right side 8d extending in the front-rear direction. ,have.

The stage 8 is provided with a terminal opening 80 that opens at a location corresponding to the terminal portion 9, and a communication opening 81 that communicates with the inside of the charger 1.
The terminal opening 80 is arranged at the rear of the stage 8. In the top view of FIG. 2, the terminal opening 80 extends in the left-right direction.
The communication opening 81 is arranged in the front portion of the stage 8 (in front of the terminal opening 80). In the top view of FIG. 2, the communication opening 81 has a rectangular shape having a length in the left-right direction.

A lid 85 that covers the communication opening 81 is provided on the upper surface of the stage 8. The lid 85 is detachably attached to the stage 8. In the top view of FIG. 2, the lid 85 has a rectangular shape larger than the communication opening 81 (see FIG. 7), and a pair of left and right lids extending outward from the left and right outer ends of the lid body 86. It is provided with a piece 87. In FIG. 2, reference numeral 88 indicates an insertion hole through which a fastening member such as a bolt for fixing the lid extension piece 87 to the stage 8 is inserted. FIG. 7 shows a state in which the lid 85 is removed from the stage 8.

At the four corners of the stage 8, drainage recesses 82 that are recessed downward are provided. In the top view of FIG. 2, the drainage recess 82 has a circular shape. The drainage recess 82 is inclined and recessed so as to be located downward toward the center side. The corner portion of the front portion of the lid 85 forms a drainage recess 82 together with the stage 8. At the center of the drainage recess 82, a drainage hole 83 that penetrates the stage 8 in the thickness direction (vertical direction) is provided.

As shown in FIG. 7, a stage support 90 that supports the stage 8 from below is attached to the lower surface of the stage 8. The stage support 90 has a pair of front and rear laterally extending portions 91 extending outward from the left and right sides of the stage 8 and a first downward extending portion extending downward from the front portion of the stage 8. A protruding portion 92, a pair of left and right second downward extending portions 93 extending downward from the left and right side portions of the stage 8, and a front downward extending portion extending forward and outward from the second downward extending portion 93. 94 and.

As shown in FIG. 6, on the left and right sides of the stage 8, a stage urging member 95 that constantly urges the stage 8 upward is provided. A pair of left and right stage urging members 95 are provided on each of the left and right side portions of the charger 1. In the embodiment, the stage urging member 95 is a coil spring extending in the vertical direction.
The upper ends of the stage urging member 95 are attached to the left and right sides of the frame body 50. The lower end of the stage urging member 95 is attached to the lower end of the front lower extending portion 94 in the stage support 90.

The stage urging member 95 moves the stage 8 which moved downward when the battery 45 (see FIG. 10) is placed on the stage 8 upward. Specifically, when the battery 45 is not mounted on the stage 8, the stage urging member 95 places the stage 8 housed in the battery chamber 6 in a position before the battery 45 is mounted on the stage 8. Return. That is, when the battery 45 is removed from the terminal portion 9 and the battery 45 is taken out of the battery opening 39, the stage urging member 95 returns the stage 8 housed in the battery chamber 6 to the original position. return.
In FIG. 5, the stage 8 moved to the lowermost position is shown by a solid line, and the stage 8 before moving downward (original position) is shown by a two-dot chain line.

<Terminal 9>
As shown in FIG. 5, the terminal portion 9 has a position opposite to the position on the side where the battery 45 is mounted (upper position) with respect to the stage 8 in a state where the battery 45 is not mounted on the stage 8. It is located at (lower position). The terminal portion 9 is fixed to a terminal support plate 96 extending in the left-right direction. The left and right ends of the terminal support plate 96 are fixed to the upper surface of the bottom wall 60 of the battery chamber via a pillar member (not shown) extending in the vertical direction.

The portion of the terminal portion 9 above the upper surface of the terminal support plate 96 is electrically connected to the battery side terminal (not shown) provided at the bottom of the battery 45 by fitting to the bottom of the battery 45. ..
The portion of the terminal portion 9 below the lower surface of the terminal support plate 96 is electrically connected to the control boards 71, 72 and the like via various wirings (not shown).

The terminal portion 9 is arranged at a position higher than the extending end of the battery chamber flange 62. In other words, the lower end of the terminal portion 9 is arranged above the upper end of the battery chamber flange 62.

As shown in FIG. 11, the terminal portion 9 has a portion 47 that most protrudes toward the terminal portion 9 when the battery 45 is obliquely inserted into the battery opening 39 (hereinafter, also referred to as “lower maximum protruding end 47”). It is located at a lower position than.

Here, the lower maximum protruding end 47 of the battery 45 is such that when the rectangular parallelepiped battery 45 is obliquely inserted into the battery opening 39, the central axis CL of the battery opening 39 bisects the corner of the rectangular parallelepiped battery 45. It means the lower end at the position to divide. That is, the lower maximum protruding end 47 of the battery 45 is the lower end when the central axis CL of the battery opening 39 becomes a bisector of the corner portion of the battery 45.

<Cushioning mechanism 10>
The shock absorber 10 (see FIG. 6) suppresses the fitting speed of the battery 45 to the terminal portion 9 (see FIG. 5) when the battery 45 (see FIG. 10) is placed on the stage 8. Here, the fitting speed means the speed at which the terminal portion 9 is fitted to the bottom portion of the battery 45. The fitting speed is the relative speed between the battery 45 and the terminal portion 9 at the time of fitting. In the embodiment, since the terminal portion 9 is fixed at a fixed position with respect to the bottom wall 60 of the battery chamber, the fitting speed is the downward moving speed (falling speed) of the battery 45. According to the embodiment, since the fitting speed of the battery 45 to the terminal portion 9 is slower than that of the configuration without the shock absorber mechanism 10, it is possible to avoid the occurrence of an impact on the terminal portion 9.

In the top view of FIG. 2, a plurality of buffer mechanisms 10 are arranged point-symmetrically on the opposite side of the stage 8 with the center position P1 of the stage 8 as the center of symmetry. In the embodiment, two shock absorbers 10 are arranged twice symmetrically (line symmetry with the left and right axis as the axis of symmetry) on the left side 8c and the right side 8d of the stage 8. In the top view of FIG. 2, the two shock absorbers 10 are arranged so as to sandwich the guide mechanism 11 from the outside in the front-rear direction on the two sides (left side 8c and right side 8d) of the stage 8.

As shown in FIG. 6, the shock absorber 10 includes a piston rod 100 extending in the vertical direction, a cylindrical cylinder 101 slidably accommodating the piston rod 100, and a spring for urging the piston rod 100 upward. It is provided with an urging member (hereinafter, also referred to as “return spring”) (hereinafter, also referred to as “return spring”), which is not shown. For example, as the shock absorber mechanism 10, a mass-produced damper is used.

As shown in FIG. 7, the upper end of the piston rod 100 is attached to the left and right outward extending portions 91 of the stage support 90. The lower end of the cylinder 101 is fixed to the base 2. The return spring (not shown) suppresses the impact force when the terminal portion 9 (see FIG. 5) is fitted to the bottom portion of the battery 45.

<Guide mechanism 11>
The guide mechanism 11 (see FIG. 6) guides the stage 8 when the battery 45 (see FIG. 10) is placed on the stage 8.
In the top view of FIG. 2, a plurality of guide mechanisms 11 are arranged so as to surround the center of gravity position P2 (see FIG. 9) of the battery 45. Here, the position of the center of gravity of the battery 45 is substantially the same as the center position of the battery 45. In the embodiment, three guide mechanisms 11 are arranged so as to form a triangular region (a region surrounded by a dotted chain line forming an inverted triangle in the top view of FIG. 2) surrounding the center of gravity position P2 of the battery 45. ..

The three guide mechanisms 11 are arranged one by one on the three sides of the stage 8. In the embodiment, one of the three guide mechanisms 11 is arranged on each of the front side 8a, the left side 8c, and the right side 8d of the stage 8.

Hereinafter, the guide mechanism 11 arranged on the front side 8a of the stage 8 is arranged on the "front guide mechanism 11", the guide mechanism 11 arranged on the left side 8c of the stage 8 is arranged on the "left guide mechanism 11", and the right side 8d of the stage 8 is arranged. The guided guide mechanism 11 is also referred to as a "right guide mechanism 11".
The front guide mechanism 11 is arranged at the center position in the left-right direction of the stage 8.
The left guide mechanism 11 and the right guide mechanism 11 are arranged at positions offset to the rear of the center position in the front-rear direction of the stage 8.

As shown in FIG. 6, the guide mechanism 11 includes a slider 110 (see FIG. 7) and a rail 111 that slidably supports the slider 110.
As shown in FIG. 7, the slider 110 is fixed to the first downward extending portion 92 and the second downward extending portion 93 of the stage support 90.
As shown in FIG. 6, the rail 111 is fixed to the inner portion of the upper half of the connecting column 53.

<LED board 130>
As shown in FIG. 9, the cover main body 40 may be provided with the LED substrate 130. The LED substrate 130 is arranged between the cover main body 40 and the guide mechanism 11 in the vertical direction. The LED substrate 130 has a rectangular plate shape having a length in the left-right direction. On the LED substrate 130, a plurality of LED elements 131 are arranged in a straight line at intervals in the left-right direction. The left and right ends of the LED board 130 are attached to the cover body 40 at a position avoiding the guide mechanism 11. For example, the left and right ends of the LED board 130 are fixed to the cover body 40 by a fixing member 132 such as a tapping screw. When viewed from above, the guide mechanism 11 is arranged at a position overlapping the left and right center portions of the LED substrate 130. In top view, the guide mechanism 11 is located behind the front end of the LED substrate 130.

The portion of the cover body 40 where the LED board 130 is provided (the front side extending in the left-right direction) needs to have at least the width (front-back length) of the LED board 130. In the embodiment, the guide mechanism 11 is arranged by utilizing the width of the LED substrate 130. Specifically, the guide mechanism 11 is arranged in the portion of the cover main body 40 where the LED substrate 130 is provided, and the guide mechanism 11 is arranged in the portion where the LED substrate 130 is not provided (the rear side portion extending in the left-right direction). Is not placed. As a result, the width of the portion where the LED substrate 130 is not provided can be narrowed as much as possible, and the installation area of the charger 1 can be reduced.

<Action>
Hereinafter, the operation of the charger 1 of the embodiment will be described.
In the embodiment, the stage 8 is arranged inside the battery opening 39 in a state where the battery 45 is not placed on the stage 8 (hereinafter, also referred to as “initial state”) (see FIG. 5). In the initial state, the terminal portion 9 is arranged below the stage 8. In FIG. 5, the stage 8 in the initial state position is shown by a chain double-dashed line.

When the battery 45 is placed on the stage 8 in the initial state, the stage 8 moves downward together with the battery 45 and approaches the bottom wall 60 of the battery chamber. In FIG. 5, the stage 8 located close to the bottom wall 60 of the battery chamber is shown by a solid line.
In the embodiment, since the pair of left and right stage urging members 95 (only the left stage urging member 95 is shown in FIG. 6) constantly urges the stage 8 upward, the stage 8 is urged to the stage together with the battery 45. It moves downward against the urging force of the member 95.
In addition, in the embodiment, since the three guide mechanisms 11 (see FIG. 6) are arranged one by one on the three sides of the stage 8, the stage 8 can be smoothly moved downward together with the battery 45. As the stage 8 moves downward, the terminal portion 9 gradually protrudes upward from the terminal opening 80.

The terminal portion 9 is fitted to the bottom portion of the battery 45 through the terminal opening 80 in a state where the stage 8 is lowered together with the battery 45 and is close to the battery chamber bottom wall 60 (hereinafter, also referred to as “stage descending state”).
In the embodiment, since the two shock absorbers 10 (see FIG. 6) are arranged so as to sandwich the guide mechanism 11 from the outside in the front-rear direction on the two sides of the stage 8, the battery 45 is fitted to the terminal portion 9. Occasionally, the load acting on the terminal portion 9 can be suppressed in a well-balanced manner.

When the battery 45 is removed from the terminal portion 9 and the battery 45 is taken out of the battery opening 39 in the stage lowering state, the stage 8 returns to the original position (position in the initial state).
In the embodiment, since the pair of left and right stage urging members 95 (see FIG. 6) constantly urges the stage 8 upward, the stage 8 on which the battery 45 is not mounted is smoothly returned to its original position. Can be moved to.

<Action of each flange>
Hereinafter, the operation of each flange portion of the embodiment will be described.
In an embodiment, the battery compartment flange 62 (see FIG. 5) extends upward from the outer periphery of the battery compartment bottom wall 60 on the outside of the battery compartment side wall 61.

When water enters the battery chamber 6, the infiltrated water wets and spreads outward along the bottom wall 60 of the battery chamber.
In the embodiment, since the battery chamber flange 62 is provided at a uniform height over the entire circumference of the battery chamber bottom wall 60, it is possible to block water spreading outward along the battery chamber bottom wall 60.
In addition, in the embodiment, since the substrate chamber 7 is arranged below the battery chamber 6, the water that has entered the battery chamber 6 is blocked by the battery chamber flange 62, so that the water flows directly to the substrate chamber 7. You can avoid that.
In addition, in the embodiment, since the drain pipe 65 (see FIG. 8) connecting the battery chamber bottom wall 60 and the base is provided, the water that has entered the battery chamber 6 is drained from the base through the drain pipe 65. It can be discharged from 24 (see FIG. 3).

In the embodiment, the cover-side flange 41 (see FIG. 12) extends downward on the inside of the cover member 4 and on the outside of the battery compartment side wall 61.

When water enters the inside of the charger 1 through the gap 38 (see FIG. 12) between the side wall 3 of the charger 1 and the cover member 4, the infiltrated water enters the battery chamber 6 or the substrate chamber 7 (see FIG. 5). May flow towards.
In the embodiment, since the cover-side first flange 42 is provided at a uniform height over the entire circumference of the cover main body 40, the water that has entered through the gap 38 can be blocked by the cover-side first flange 42.
In addition, in the embodiment, the cover-side second flange 43 has an extending end edge 44 that is inclined so as to be closer to the installation surface FL (see FIG. 5) so as to be separated outward from the battery chamber side wall 61. The water that has entered through the gap 38 can flow outward along the inclination of the extending end edge 44. In FIG. 12, reference numeral W1 indicates a water flow direction.

As described above, the charger 1 of the above embodiment houses the battery chamber 6 on which the portable battery 45 used in the electric vehicle is placed and the boards 71 and 72 for controlling the charging of the battery 45, and is a battery. A board chamber 7 closer to the installation surface FL on which the charger 1 is installed than the chamber 6 is provided, and the battery chamber 6 is provided on the battery chamber bottom wall 60 on which the battery 45 is mounted and the battery chamber bottom wall 60. A battery chamber side wall 61 to be connected is provided, and a flange portion 62 extending from the outer periphery of the battery chamber bottom wall 60 in a direction opposite to the substrate chamber 7 is provided outside the battery chamber side wall 61.
According to this configuration, the battery chamber 6 is provided with a flange portion 62 extending from the outer periphery of the battery chamber bottom wall 60 in the direction opposite to the substrate chamber 7 on the outer side of the battery chamber side wall 61. Even when water has entered, the water that has entered the battery chamber 6 is blocked by the flange portion 62, so that it is possible to prevent the water from directly flowing into the substrate chamber 7. Therefore, the waterproof performance of the charger 1 can be improved. In addition, since the board chamber 7 is closer to the installation surface FL than the battery chamber 6, the charger 1 is installed as compared with the case where the board chamber 7 and the battery chamber 6 are arranged along the installation surface FL. The area can be reduced.

In the above embodiment, the substrate chamber 7 is arranged below the battery chamber 6, and the flange portion 62 extends upward from the outer periphery of the bottom wall 60 of the battery chamber, thereby achieving the following effects. Even when the charger 1 standing upright in the vertical direction is placed on the installation surface FL parallel to the horizontal plane, the water that has entered the battery chamber 6 is blocked by the flange portion 62, so that the water directly flows into the substrate chamber 7. Can be avoided, and the waterproof performance of the charger 1 can be improved.

In the above embodiment, the following effects are further provided by further providing the charger bottom 2 closer to the installation surface FL than the substrate chamber 7, and the drain pipe 65 connecting the battery chamber bottom wall 60 and the charger bottom 2. Play. Since the water that has entered the battery chamber 6 flows to the bottom 2 of the charger through the drain pipe 65, it is possible to more effectively prevent the water from flowing to the substrate chamber 7.

In the above embodiment, the charger bottom 2 is provided with a recess 23 forming a gap between the charger bottom 2 and the installation surface FL, and the recess 23 is provided with a drain port 24 communicating with the drain pipe 65. Play the effect of. For example, when the charger bottom 2 is in contact with the installation surface FL, when the water that has entered the battery chamber 6 flows to the charger bottom 2 through the drain pipe 65, it may be difficult for the water to come out from the drain pipe 65. Highly sex. On the other hand, according to this configuration, a gap is formed between the recess 23 of the charger bottom 2 and the installation surface FL, and the drain port 24 is provided in the recess 23, so that the battery chamber 6 has entered the battery chamber 6. When water flows to the bottom 2 of the charger through the drain pipe 65, drainage from the drain pipe 65 can be smoothly performed through the drain port 24.

In the above embodiment, an opening 39 is formed so that the battery 45 can be inserted and taken out, and a cover member 4 for covering the side wall 3 of the charger 1 from the outside is further provided. The cover-side flange 41 extending toward the installation surface FL is provided on the inside of the battery chamber and on the outside of the side wall 61 of the battery chamber, thereby achieving the following effects. Even when water enters the inside of the charger 1 through the gap 38 between the side wall 3 of the charger 1 and the cover member 4, the water that has entered through the gap 38 is transmitted through the cover side flange 41, so that the battery chamber It is possible to prevent water from flowing to 6 or the substrate chamber 7.

In the above embodiment, the cover-side flange 41 has the following effects by including the cover-side first flange 42 arranged along the outer periphery of the cover member 4. Since the water that has entered through the gap 38 is blocked by the cover-side first flange 42, it is possible to more effectively prevent the water from flowing into the battery chamber 6 or the substrate chamber 7.

In the above embodiment, the cover-side flange 41 includes a cover-side second flange 43 having an extending end edge 44 that is inclined so as to be closer to the installation surface FL so as to be separated outward from the battery chamber side wall 61. It has the following effects. It is possible to prevent the water that has entered from the gap 38 from flowing through the cover-side second flange 43 toward the battery chamber side wall 61, and more effectively prevent the water from flowing into the battery chamber 6 or the substrate chamber 7. can.

In the above embodiment, the substrate chamber 7 is arranged inside the outer peripheral edge of the battery chamber bottom wall 60, so that the following effects can be obtained. Even when the water that has entered the battery chamber 6 gets over the flange portion 62, the water that exceeds the flange portion 62 flows outward from the outer peripheral edge of the battery chamber bottom wall 60, so that the water flows to the substrate chamber 7. Can be avoided more effectively.

In the above embodiment, the terminal portion 9 to which the battery 45 is connected is further provided, and the terminal portion 9 is arranged at a position higher than the extending end of the flange portion 62, thereby achieving the following effects. Even when the water that has entered the battery chamber 6 reaches the extending end of the flange portion 62, the terminal portion 9 is arranged at a position higher than the water surface, so that the water intrusion into the terminal portion 9 can be avoided. ..

<Modification example>
In the above embodiment, the example in which the installation surface on which the charger 1 is installed is an indoor flat floor surface FL has been described, but the present invention is not limited to this. For example, the installation surface of the charger 1 may be an outdoor ground or an inclined surface inclined with respect to a horizontal plane.

In the above embodiment, an example in which the stage 8 has a rectangular shape when viewed from the moving direction of the stage 8 has been described, but the present invention is not limited to this. For example, when viewed from the moving direction of the stage 8, the stage 8 may have a polygonal shape other than a rectangular shape, or may have a circular shape or an elliptical shape.

In the above embodiment, a plurality of buffer mechanisms 10 are arranged point-symmetrically with the center position P1 of the stage 8 as the center of symmetry on the opposite side of the stage 8 when viewed from the moving direction of the stage 8. , Not limited to this. For example, a plurality of buffer mechanisms 10 may be randomly arranged when viewed from the moving direction of the stage 8.

In the above embodiment, an example in which a plurality of buffer mechanisms 10 are arranged has been described, but the present invention is not limited to this. For example, only one buffer mechanism 10 may be arranged.

In the above embodiment, a plurality of guide mechanisms 11 are arranged so as to surround the center of gravity position P2 of the battery 45 when viewed from the moving direction of the stage 8, but the present invention is not limited to this.
For example, a plurality of guide mechanisms 11 may be arranged so as not to surround the center of gravity position P2 of the battery 45. Alternatively, two guide mechanisms 11 may be arranged so that the center of gravity position P2 of the battery 45 and the two guide mechanisms 11 are arranged in a straight line.

In the above embodiment, an example in which a plurality of guide mechanisms 11 are arranged has been described, but the present invention is not limited to this. For example, only one guide mechanism 11 may be arranged.

In the above embodiment, the buffer mechanism 10 is described by giving an example in which a plurality of buffer mechanisms 10 are arranged so as to sandwich the guide mechanism 11 on two sides of the stage 8 when viewed from the moving direction of the stage 8, but the present invention is not limited to this. .. For example, a plurality of buffer mechanisms 10 may be arranged on one side or three or more sides of the stage 8 so as to sandwich the guide mechanism 11. That is, when viewed from the moving direction of the stage 8, a plurality of buffer mechanisms 10 may be arranged so as to sandwich the guide mechanism 11 on at least one side of the stage 8.

In the above embodiment, an example in which the stage 8 is arranged inside the opening 39 has been described, but the present invention is not limited to this. For example, the stage 8 may be arranged outside the opening 39.

In the above embodiment, the buffer mechanism 10 and the guide mechanism 11 are provided separately and independently, but the present invention is not limited to this. For example, the buffer mechanism 10 and the guide mechanism 11 may be integrally provided. For example, the shock absorber 10 may have a shock absorber function of the battery 45 and a guide function of the stage 8.

In the above embodiment, the example in which the battery chamber bottom wall 60 is arranged substantially horizontally (see FIG. 5) has been described, but the present invention is not limited to this. For example, as shown in FIG. 13, the battery chamber bottom wall 160 may be inclined so as to be closer to the installation surface FL (see FIG. 5) so as to be closer to the position of the drain pipe 65. In the example of FIG. 13, the entire bottom wall 160 of the battery chamber is inclined so as to be located downward so as to be closer to the position of the drain pipe 65.
According to this configuration, the water infiltrated into the battery chamber 6 flows toward the drain pipe 65 along the inclination of the battery chamber bottom wall 160, so that the drainage to the drain pipe 65 can be performed more effectively.

In the above modification, the example in which the entire battery chamber bottom wall 160 is inclined so as to be positioned downward so as to be closer to the position of the drain pipe 65 has been described, but the present invention is not limited to this. For example, only the outer peripheral portion of the bottom wall of the battery chamber may be inclined so as to be positioned downward so as to be closer to the position of the drain pipe 65. For example, in the bottom wall of the battery chamber, only the portion closer to the drain pipe 65 (for example, the right half of the bottom wall of the battery chamber) may be inclined so as to be positioned downward so as to be closer to the position of the drain pipe 65. That is, at least a part of the bottom wall of the battery chamber may be inclined so as to be closer to the installation surface FL as it is closer to the position of the drain pipe 65.

In the above embodiment, in the cross-sectional view of FIG. 12, the cover-side first flange 42 extends downward from the cover main body 40 in a straight line, but the present invention is not limited to this.
FIG. 14 is a diagram including a cross section corresponding to FIG.
For example, in the cross-sectional view of FIG. 14, the cover-side first flange 142 may be linearly inclined downward and outward from the cover main body 40. Specifically, the cover-side first flange 142 is positioned downward from the cover main body 40 toward the installation surface FL (see FIG. 5) so as to be separated outward from the battery chamber side wall 61 (see FIG. 5). It may be inclined in a straight line.
According to this configuration, the water that has entered through the gap 38 flows outward along the inclination of the cover-side first flange 142, so that it is more effective for the water to flow to the battery chamber 6 or the substrate chamber 7 (see FIG. 5). Can be avoided.

In the above embodiment, an example in which the leg portion 21 is not provided with a drainage port has been described, but the present invention is not limited to this. For example, the leg portion 21 may be provided with a drainage port.
According to this configuration, the water that has entered through the gap 38 can be discharged from the drain port of the leg portion 21.
For example, the drainage port may be provided in a part of the leg portion 21 (circular region A1 in the bottom view of FIG. 3).

In the above embodiment, the slider 110 has been described with reference to an example in which the slider 110 is fixed to the first downward extending portion 92 and the second downward extending portion 93 of the stage support 90, but the present invention is not limited to this. For example, as shown in FIG. 15, the stage peripheral component 209 including the slider 210 may be integrally molded. For example, a resin material is used as the forming material for the stage peripheral component 209. In FIG. 15, reference numeral 210 indicates a slider, reference numeral 211 indicates a support portion on a rod that supports the upper end of the piston rod 100, and reference numeral 212 indicates a frame wall having a rectangular frame shape along the outer shape of the stage 8 (see FIG. 16).

In this modification, the stage 8 (see FIG. 16), the slider 210, the rod upper support portion 211, and the frame wall 212 are integrally formed of the same member. That is, the stage 8 and the stage peripheral component 209 are integrally formed of the same member. This simplifies the peripheral structure including the stage 8 and facilitates the assembly of the charger.

In FIG. 15, reference numeral 220 indicates a downward extending wall extending downward from the four corners of the cover body 40. The downward extending wall 220 is arranged inside the frame wall 212. The downward extending wall 220 functions as a guide wall for guiding the vertical movement of the stage 8 via the frame wall 212. In FIG. 15, the stage peripheral component 209 in the initial state position is shown by a solid line, and the stage peripheral component 209 located close to the battery chamber bottom wall (board chamber upper wall 250) is shown by a two-dot chain line.

In FIG. 16, the stage 8 (the state located at the uppermost position) in the position of the initial state is shown. FIG. 17 shows a state in which the stage 8 has moved to the lowermost position.
By the way, when the cover main body 40 is provided with the downward extending wall 220, when the stage 8 moves downward, a gap is generated between the stage 8 and the cover member 4 in the vertical direction. On the other hand, in this modification, the vertical height of the frame body 212 is set to a size that closes the gap, so that even if the stage 8 moves downward, the space between the stage 8 and the cover member 4 is set. It is possible to prevent the formation of a gap. Therefore, it is possible to prevent an object from falling between the stage 8 and the cover member 4.

In the above embodiment, the substrate chamber 7 has been described with reference to an example in which the substrate chamber 7 includes a plurality of control boards 71, 72 and a substrate chamber bottom wall 70 for accommodating the plurality of control boards 71, 72, but the present invention is not limited to this. .. For example, as shown in FIG. 15, the substrate chamber 7A includes a substrate chamber upper wall 250 for accommodating a plurality of control boards (not shown) and a flange wall 251 extending downward from the outer periphery of the substrate chamber upper wall 250. May be. That is, the substrate chamber 7A of this modification has a configuration in which the substrate chamber 7 in the embodiment is inverted in the vertical direction. For example, a plurality of control boards (not shown) are fixed to the upper wall 250 of the board chamber by potting or the like. In this modification, the substrate chamber upper wall 250 also functions as a battery chamber bottom wall.

The plurality of control boards (not shown) include a plurality of first control boards mounted in the central portion of the substrate chamber upper wall 250, and a plurality of second control boards standing downward from the outer periphery of the substrate chamber upper wall 250. Is. In this modification, the height of the second control board is lower than the height of the first control board. The cooling fan 28 is arranged at a position overlapping the central portion of the upper wall 250 of the substrate chamber in a top view. In other words, the cooling fan 28 is arranged at a position avoiding the plurality of first control boards (positions overlapping the plurality of second control boards in the top view). That is, the cooling fan 28 is arranged in a portion where the height of the substrate is low. This can reduce the overall height of the charger.

The present invention is not limited to the above embodiment. For example, the saddle-mounted electric vehicle includes all vehicles in which a driver rides across a vehicle body, and is a motorcycle (motorized bicycle and scooter type). Not only vehicles (including vehicles), but also three-wheeled vehicles (including front two-wheeled and rear one-wheeled vehicles in addition to front one-wheeled and rear two-wheeled vehicles). Further, the present invention can be applied not only to motorcycles but also to four-wheeled vehicles such as automobiles.
For example, the charger is not limited to the charger of the mobile battery of the motorcycle, and may be applied to the charger of the electric device other than the electric vehicle.
The configuration in the above embodiment is an example of the present invention, and various changes can be made without departing from the gist of the present invention, such as replacing the constituent elements of the embodiment with well-known constituent elements.

1 Charger 2 bases (bottom of charger)
3 Exterior (side wall)
4 Cover member 6 Battery room 7 Board room 9 Terminal part 23 Recession 24 Drainage port 39 Battery opening (opening)
41 Cover side flange 42, 142 Cover side first flange 43 Cover side second flange 44 Extended end edge 45 Battery 60,160 Battery chamber bottom wall 61 Battery chamber side wall 62 Battery chamber flange (flange part)
65 Drain pipe 71,72 Control board (board)
FL floor surface (installation surface)

Claims (10)

A battery compartment (6) in which a portable battery (45) used in an electric vehicle is placed, and
The battery (45) of storing the substrate (71, 72) that controls charging, the battery chamber (6) substrate chamber close to the installation surface of the charger (1) is installed (FL) than (7) And, with
The battery chamber (6) is
The battery chamber bottom wall (60) on which the battery (45) is placed, and
A battery chamber side wall (61) connected to the battery compartment bottom wall (60) is provided.
A flange portion (62) extending from the outer periphery of the battery chamber bottom wall (60) in a direction opposite to the substrate chamber (7) is provided on the outer side of the battery chamber side wall (61).
The substrate chamber (7) is a portable battery charger characterized in that the substrate chamber (7) is arranged inside the outer peripheral edge of the battery chamber bottom wall (60). The substrate chamber (7) is arranged below the battery chamber (6).
The charger for a portable battery according to claim 1, wherein the flange portion (62) extends upward from the outer periphery of the bottom wall (60) of the battery chamber. The bottom of the charger (2), which is closer to the installation surface (FL) than the substrate chamber (7),
The portable battery charger according to claim 1 or 2, further comprising a drain pipe (65) connecting the battery chamber bottom wall (60) and the charger bottom (2). The third aspect of the present invention is characterized in that at least a part of the bottom wall (60) of the battery chamber is inclined so as to be closer to the installation surface (FL) so as to be closer to the position of the drain pipe (65). The portable battery charger described. The charger bottom (2) is provided with a recess (23) that forms a gap between the charger bottom (2) and the installation surface (FL).
The charger for a portable battery according to claim 3 or 4, wherein the recess (23) is provided with a drain port (24) communicating with the drain pipe (65). An opening (39) that opens the battery (45) so that it can be inserted and taken out is formed, and a cover member (4) that covers the side wall (3) of the charger (1) from the outside is further provided.
The cover member (4) is provided with a cover-side flange (41) extending toward the installation surface (FL) inside the cover member (4) and outside the battery compartment side wall (61). The portable battery charger according to any one of claims 1 to 5, wherein the charger is provided. The charger for a portable battery according to claim 6, wherein the cover-side flange (41) includes a cover-side first flange (42) arranged along the outer periphery of the cover member (4). .. The cover-side flange (41) is a cover-side second flange having an extending end edge (44) that is inclined so as to be closer to the installation surface (FL) so as to be separated outward from the battery chamber side wall (61). (43) The portable battery charger according to claim 6 or 7, wherein the charger comprises (43). Further provided with a terminal portion (9) to which the battery (45) is connected is provided.
The charging of the portable battery according to any one of claims 1 to 8, wherein the terminal portion (9) is arranged at a position higher than the extending end of the flange portion (62). vessel. A battery compartment (6) in which a portable battery (45) used in an electric vehicle is placed, and
The battery (45) of storing the substrate (71, 72) that controls charging, the battery chamber (6) substrate chamber close to the installation surface of the charger (1) is installed (FL) than (7) And, with
The battery chamber (6) is
The battery chamber bottom wall (60) on which the battery (45) is placed, and
A battery chamber side wall (61) connected to the battery compartment bottom wall (60) is provided.
A flange portion (62) extending from the outer periphery of the battery chamber bottom wall (60) in a direction opposite to the substrate chamber (7) is provided on the outer side of the battery chamber side wall (61).
An opening (39) that opens the battery (45) so that it can be inserted and taken out is formed, and a cover member (4) that covers the side wall (3) of the charger (1) from the outside is further provided.
The cover member (4) is provided with a cover-side flange (41) extending toward the installation surface (FL) inside the cover member (4) and outside the battery compartment side wall (61). ,
The cover-side flange (41) is a cover-side second flange having an extending end edge (44) that is inclined so as to be closer to the installation surface (FL) so as to be separated outward from the battery chamber side wall (61). (43) A portable battery charger comprising.

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