JP4404656B2 - Air conditioner outdoor unit - Google Patents

Description

  The present invention relates to an outdoor unit of an air conditioner used for temperature adjustment of indoor air in cooperation with an indoor unit installed on an indoor wall surface or the like.

  As an outdoor unit of this type, for example, as shown in FIG. 4, a pair of left and right rails 30 is provided on the bottom plate of the main body case 3, and the electrical box 2 is slid back and forth with the rails 30 to be attached to and detached from the main body case 3. An outdoor unit 1X having a configuration is well known (see, for example, Patent Document 1).

  Further, in Patent Document 1 in which the outdoor unit 1X having the above-described configuration is proposed, a hooking member is provided on the side surface of the main body case, the electric box is temporarily hooked on the hooking member, and then the electric box is used by using a number of screws. An outdoor unit is also disclosed which is fixed to the side surface of the main body case.

Moreover, an outdoor unit configured to slide the electrical box forward and backward on the upper side of the main body case and attach or detach it is also well known (for example, see Patent Document 2).
JP-A-5-141715 JP-A-10-122603

  In the outdoor units proposed in Patent Documents 1 and 2, since the electrical box is configured to slide back and forth in the main body case, remove the back panel when pulling out the electrical box to the rear side of the main body case, In addition, it is necessary to secure a space for pulling out the electrical box behind the outdoor unit, and it is necessary to remove the front panel when pulling out the electrical box to the front side of the main unit case, which makes it difficult to perform maintenance etc. There was a point.

  In addition, in an outdoor unit in which a hooking member is provided on the side surface of the main body case, the electric box is hooked on the hooking member and temporarily fixed, and then the electric box is fixed to the side surface of the main body case using a number of screws. There was a problem that it protruded sideways and became ugly.

  Therefore, it is necessary to provide an outdoor unit for an air conditioner that can be easily attached / detached to / from the electrical box and does not become unfavorable in terms of design, which has been a problem to be solved.

The present invention solves the above-mentioned problems of the prior art,
Rutotomoni and the like refrigerant compressor, a refrigerant / air heat exchanger, the blower into the body case, the electric box housing the like printed circuit board, via the electric box attachment member, the back of the detachable main body case An air conditioner outdoor unit attached,
The electrical box attachment member is
A back attachment portion attached to the back surface of the main body case;
A receiving plate portion extending rearward from the lower portion of the rear attachment portion;
A top plate portion extending rearward from the upper portion of the back attachment portion;
A rear guide member extending from the rear end of either one of the receiving plate portion and the top plate portion to the other side;
The bottom surface of the electrical box slides in the left-right direction on the receiving plate portion, and the upper surface of the electrical box is inserted into the lower surface side of the top plate portion. It is configured to be detachably attached to the side,
Furthermore, the electrical box attachment member includes a claw-like portion projecting downward from the front side of the upper side and the lower side of the back side attachment portion,
Each of the claw-shaped portions is detachably supported by a horizontal plate portion provided on the back surface of the main body case, so that the back surface attachment portion of the electrical box mounting member is detachably supported on the back surface of the main body case. Be configured to
An outdoor unit of an air conditioner according to a first configuration characterized by:
In the outdoor unit of the air conditioner according to the first configuration,
A converter that converts DC power into boosted DC power or a converter that converts DC power into AC power is provided inside the electrical box.
An outdoor unit of an air conditioner according to a second configuration characterized by :
In the outdoor unit of the air conditioner according to the second configuration,
A solar panel was connected to the converter
The outdoor unit of the air conditioner by the 3rd structure characterized by these is provided.

  According to the present invention, the electrical equipment box is detachably attached to the back surface of the main body case including the refrigerant compressor, the refrigerant / air heat exchanger, the blower, and the like. There is no need to open the panel and rear panel.

  Therefore, for example, even when a solar cell panel is retrofitted and DC power generated by the solar cell panel is supplied to a refrigerant compressor / blower in the main body case, a power cable or the like can be easily connected. .

As an embodiment of the present invention, in an outdoor unit of an air conditioner provided with a refrigerant compressor, a refrigerant / air heat exchanger, a blower, etc. in a main body case, a side surface attachment of an electrical box attachment member is provided on the side surface of the main body case The rear part is attached to the back of the main body case by extending from the rear end of the side attachment part, and the lower end of the rear attachment part to the rear. An extended receiving plate portion, a top plate portion extending rearward from the upper end of the back attachment portion, and at least one of the receiving plate portion and the top plate portion is extended from the rear end to the other side. The configuration of the outdoor unit of the air conditioner in which the electrical equipment box is detachably attached by sliding the electrical equipment box on the receiving plate part in the left-right direction on the electrical equipment box attachment part composed of the rear guide member This will be explained with an example.

  An embodiment of the present invention will be described with reference to FIGS. In order to facilitate understanding, in these drawings, parts having the same functions as those described with reference to FIG.

  In the outdoor unit 1 of the present invention, an electrical box 2 containing a printed circuit board (not shown), a DC / DC converter, etc. contains a refrigerant compressor, a refrigerant / air heat exchanger, a blower, etc. (not shown), for example made of steel. It is detachably attached to the back surface of the main body case 3 via an electrical box attachment member 4.

  In addition, in this invention, in order to understand easily, the side in which the air intake hole mentioned later was provided in the main body case 3 was provided in the rear side of the outdoor unit 1, and the air blower which is not illustrated was provided in the opposite side. The side is called the front side of the outdoor unit 1, and the electrical box 2 and the electrical box mounting member 4 are also viewed from the front side of the outdoor unit 1, the front side is the front side, the rear side is the rear side, the right side The side located on the left side is called the right side, and the side located on the left side is called the left side.

  As illustrated in FIG. 2, the electrical box attachment member 4 includes one side surface of the main body case 3, for example, a side surface attachment portion 6 detachably attached to the right side surface portion 3 </ b> A of the main body case 3 by screws 5, A rear surface attachment portion 7 that is bent and extended at a right angle from the rear end portion of the side surface attachment portion 6 and is attached to the rear surface portion 3B of the main body case 3, and a central lower end portion of the rear surface attachment portion 7 Receiving plate 8 extending rearward from the rear, stopper 9 extending rearward from the lower right end of the rear attachment portion 7, and top plate extending rearward from the upper end portion of the rear attachment portion 7. Part 10 and rear guide part 11 suspended from the rear end part of top plate part 10 are provided, and are produced by press working of a steel plate. And the electrical equipment box attaching part 12 to which the electrical equipment box 2 is detachably attached is formed by the back surface attaching part 7, the receiving plate part 8, the top plate part 10, and the rear guide part 11. .

  Note that the receiving plate portion 8 extends rearward from the back surface attaching portion 7 through the guide groove 13. In addition, two screw holes 14 are provided in each of the side surface attaching portion 6 and the top plate portion 10 of the electrical box attachment member 4, and one screw hole 14 is provided in the stopper 9.

Further, a pair of downward holding claws 15 and 16 projecting forward as shown in FIG. 3 are formed at the lower left end portion of the rear surface attachment portion 7 of the electrical box attachment member 4, and are greatly increased forward. The protruding clamping claw 15 enters a predetermined air intake hole 17 on the back surface portion 3B of the main body case 3 and is positioned in front of a predetermined horizontal plate portion 18, and the other clamping claw 16 is behind the horizontal plate portion 18. The predetermined horizontal plate portion 18 is detachably clamped from the front and rear by the pair of clamping claws 15 and 16.
In addition, said clamping nail | claw corresponds to the nail | claw-shaped part protruded downward from the lower part side of the back surface attachment part described in the claim.

Further, on the upper left end of the rear surface attachment portion 7 of the electrical box attachment member 4, a downward locking claw 19 projecting forward by cutting and raising is formed as shown in FIG. 3 is inserted into a predetermined long hole-shaped air intake hole 20 of the back surface portion 3B of the third back surface portion 3B, and is detachably locked to a predetermined thin horizontal plate portion 21.
As can be seen from FIG. 3, the horizontal plate portion 21 of the main body case 3 is sandwiched between the locking claw 19 and the longitudinal plate-like portion of the back surface attaching portion 7. .
In addition, said latching nail | claw corresponds to the nail | claw-shaped part protruded downward from the upper side of the back surface attachment part described in the claim.

  Then, the electrical box attachment member 4 inserts the locking claw 19 into the long hole-shaped air intake hole 20 at a predetermined position and locks it to a predetermined thin horizontal plate portion 21, and the upper end of the rear attachment portion 7. Is supported by the horizontal plate portion 21 in a detachable manner, and a predetermined horizontal plate portion 18 is sandwiched between the pair of clamping claws 15 and 16 so that the lower end portion of the rear attachment portion 7 is detachably supported. By aligning the screw hole 14 of the installation part 6 with the screw hole 14 provided in the right side surface part 3A of the main body case 3 and screwing the screw 5 into the screw hole 14 from the side surface installation part 6 side, the electrical box The attachment member 4 is detachably attached to the main body case 3.

  On the other hand, as shown in FIG. 2, the electrical box 2 has a stopper 22 protruding from the lower end portion of the right side surface portion 2 </ b> A, and a lower end of the front surface portion 2 </ b> B attached to the rear surface attachment portion 7 of the electrical box mounting member 4. A downwardly directed guide plate portion 23 projects from the portion, and a screw hole 14 is provided in the required portion.

  And the electrical equipment box 2 is produced in the dimension which can be attached or detached from the electrical equipment box attachment part 12 of the electrical equipment box attachment member 4 from a horizontal direction. That is, the left side of the electrical box 2 is positioned on the right side of the electrical box attachment part 12 of the electrical box attachment member 4 and moved to the left to place the bottom plate of the electrical box 2 on the receiving plate 8 and further to the left When it moves, the guide plate portion 23 fits into the guide groove 13, slides further to the left in the electrical equipment box 2, and moves until the stopper 22 of the electrical equipment box 2 hits the stopper 9 of the electrical equipment box mounting member 4. The position of the screw hole 14 of the stopper 22 and the position of the screw hole 14 of the stopper 22 coincide with each other, and the screw hole 14 of the top plate 10 and the screw hole 14 of the top plate 2C of the electrical box 2 coincide with each other.

  Therefore, the electrical equipment box 2 is electrically connected to the electrical equipment box 2 by screwing the three screws 5 into the respective screw holes 14 from the stopper 22 side of the electrical equipment box 2 and the top plate portion 10 side of the electrical equipment box attachment member 4. It is attached to the attachment member 4. And the electrical equipment box 2 can be removed from the back surface of the main body case 3 only by removing the three screws 5 and sliding in the right direction.

  Further, when the two screws 5 screwed into the screw holes 14 of the side surface attachment portion 6 of the electrical box attachment member 4 and the screw holes 14 of the right side surface portion 3A of the main body case 3 are removed, the electrical box attachment member 4 is removed. Therefore, it is possible to attach / detach the electrical box 2 by attaching / detaching the electrical box mounting member 4 by attaching / detaching these two screws 5.

  As shown in FIG. 1, a solar cell panel 25 is attached to the upper portion of the main body case 3 by a pair of left and right mounting tables 24 so that the angle can be adjusted. Then, a power cable 26 is wired so that the DC power generated by the solar cell panel 25 can be supplied to a DC / DC converter (not shown) built in the electrical box 2, and the DC power generated by the solar cell panel 25 is converted to the electrical box. The voltage is boosted by a DC / DC converter in 2 and is supplied to a refrigerant compressor, a blower, and the like in the main body case 3 with priority over commercial power.

  In addition, since this invention is not limited to the said embodiment, various deformation | transformation implementation is possible in the range which does not deviate from the meaning as described in a claim.

  For example, in the embodiment, both of the pair of clamping claws 15 and 16 protrude forward, but this is a main body case 3 in which the back surface attachment portion 7 of the electrical box mounting member 4 is formed in a corrugated shape. This is because it is located behind the back surface portion 3B and the horizontal plate portion 18 that is not formed into a corrugated plate shape.

  Therefore, the back surface portion 3B to which the back surface attaching portion 7 is attached is not formed in a corrugated plate shape. Therefore, when the front surface of the back surface attaching portion 7 and the rear surface of the horizontal plate portion 18 are located on the same plane, The other clamping claw 16 may be configured not to project forward, but simply to hang down and to clamp the horizontal plate portion 18 from the front and back with the one clamping claw 15 projecting forward.

  Further, the electrical box mounting member 4 is not provided with the side surface attachment portion 6, and the back surface installation portion 7 is directly attached to the back surface portion 3 </ b> B of the main body case 3 with screws 5 or the like. It is also possible to configure the electric box 2 to be attached to and detached from the side 12.

  Further, the rear guide member 11 of the electrical box attachment member 4 can be provided not on the top plate portion 10 but on the receiving plate portion 8 or on both the top plate portion 10 and the receiving plate portion 8. Is possible. At that time, the installation of the guide groove 13 and the guide plate portion 23 can be omitted.

  Further, as shown by phantom lines in FIG. 2, two clips 27 for fixing cables are detachably screwed to the stopper 22 provided at the lower end portion of the right side surface portion 2A of the electrical equipment box 2. However, the power cable 26 or the like may be fixed.

  Further, a DC / AC converter that converts DC power into AC power may be built in the electrical equipment box 2.

  Further, the main body case 3 can also contain a second electrical box containing electrical components other than the electrical components built in the electrical box 2, for example, electrical components that are less likely to break down and are less likely to change wiring. It is.

It is explanatory drawing of this invention outdoor unit. It is explanatory drawing which shows the attachment / detachment point of the electrical equipment box in this invention outdoor unit. It is explanatory drawing which shows the attachment or detachment point of the electrical equipment box attachment member in this invention outdoor unit. It is explanatory drawing of a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 1X Outdoor unit 2 Electrical box 2A Right side part 2B Front part 2C Top plate part 3 Main body case 3A Right side part 3B Rear part 4 Electrical box attachment member 5 Screw 6 Side surface attachment part 7 Back surface attachment part 8 Receptacle part 9 Stopper 10 Top plate portion 11 Rear guide portion 12 Electrical box attachment portion 13 Guide groove 14 Screw hole 15, 16 Holding claw 17 Air intake hole 18 Horizontal plate portion 19 Locking claw 20 Air intake hole 21 Horizontal plate portion 22 Stopper 23 Guide plate 24 Mounting base 25 Solar panel 26 Power cable 27 Clip 30 Rail

Claims (3)

Rutotomoni and the like refrigerant compressor, a refrigerant / air heat exchanger, the blower into the body case, the electric box housing the like printed circuit board, via the electric box attachment member, the back of the detachable main body case An air conditioner outdoor unit attached,
The electrical box attachment member is
A back attachment portion attached to the back surface of the main body case;
A receiving plate portion extending rearward from the lower portion of the rear attachment portion;
A top plate portion extending rearward from the upper portion of the back attachment portion;
A rear guide member extending from the rear end of either one of the receiving plate portion and the top plate portion to the other side;
The bottom surface of the electrical box slides in the left-right direction on the receiving plate portion, and the upper surface of the electrical box is inserted into the lower surface side of the top plate portion. It is configured to be detachably attached to the side,
Furthermore, the electrical box attachment member includes a claw-like portion projecting downward from the front side of the upper side and the lower side of the back side attachment portion,
Each of the claw-shaped portions is detachably supported by a horizontal plate portion provided on the back surface of the main body case, so that the back surface attachment portion of the electrical box mounting member is detachably supported on the back surface of the main body case. An outdoor unit of an air conditioner characterized by being configured to The outdoor unit for an air conditioner according to claim 1, wherein a converter that converts DC power into boosted DC power or a converter that converts DC power into AC power is provided inside the electrical box . A solar panel was connected to the converter
The outdoor unit for an air conditioner according to claim 2 .

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