JP6995682B2 - Intercom equipment - Google Patents

Description

The present invention relates to an intercom device such as an intercom master unit provided with a liquid crystal display device installed in a living room, for example.

Conventionally, for example, an intercom master unit, which is an example of an intercom device, has a built-in control board for controlling an operation or the like related to a call (for example, Patent Document 1). Further, in recent years, due to the increasing number of functions of intercom devices, for example, two boards, an 8-layer board and a 4-layer board, may be built in as a control board. In such a case, it is naturally necessary to connect the boards with a cable.

Japanese Unexamined Patent Publication No. 2017-46178

Some cables need to be wired so that they do not come into contact with other devices such as liquid crystal displays. However, conventional intercom devices lack a structure related to cable wiring, and those having a wiring structure are desired. However, since intercom devices have tended to be thinner in recent years, it is necessary to save space and suppress an increase in the number of parts even if a wiring structure is provided.

Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide an intercom device having a wiring structure and a rationalized structure.

In order to achieve the above object, in the invention according to claim 1 of the present invention, the liquid crystal display device is installed inside the main body case with the rear surface covered with the holding case. An interphone device whose display screen is exposed on the front surface of the main body case, and has a first board mounting portion for mounting the first board and a second board for mounting the second board on the rear surface of the holding case. Board mounting parts are provided side by side, and a wiring part that serves as a wiring space for wiring a cable that electrically connects both boards is provided along the upper edge and / or the lower edge of the holding case. Further, the wiring portion is provided, the plate portion protruding outward of the holding case, the outer wall portion erected rearward along the tip edge of the plate portion, and the lateral direction toward the base end side of the plate portion. It consists of an inner wall part that stands rearward so as to face the outer wall part, and a space behind the plate part and sandwiched between the outer wall part and the inner wall part electrically holds both boards. It is characterized in that it is a wiring space for wiring a cable connected to.

Further, in order to achieve the above object, in the invention according to claim 2 of the present invention, the liquid crystal display device is installed inside the main body case with the rear surface covered with the holding case, and the liquid crystal display device is installed. An interphone device in which the display screen of the device is exposed on the front surface of the main body case, and the first board mounting portion for mounting the first board and the second board for mounting the second board on the rear surface of the holding case. Wiring that serves as a wiring space for wiring a cable that electrically connects both boards along the left edge and / or the right edge of the holding case while the second board mounting portion is provided side by side. A portion is provided, and the wiring portion is provided on the plate portion protruding outward of the holding case, the outer wall portion erected rearward along the tip edge of the plate portion, and the base end side of the plate portion. It is extended in the vertical direction and consists of an inner wall portion that stands rearward so as to face the outer wall portion. A space behind the plate portion and sandwiched between the outer wall portion and the inner wall portion forms both boards. It is characterized by being a wiring space for wiring cables that are electrically connected.

In the invention according to claim 3, in the invention according to claim 1 or 2, the eaves portion covering the rear side of the wiring space is bent and molded at the tip of either the outer wall portion or the inner wall portion. It is characterized by.

According to the present invention, the first board mounting portion for mounting the first board and the second board mounting portion for mounting the second board are left and right (in claim 2) on the rear surface of the holding case. In addition to being provided side by side (upper and lower), for wiring a cable that electrically connects both boards along the upper edge and / or the lower edge (left edge and / or right edge in claim 2) of the holding case. A wiring part that serves as a wiring space for the above is provided. Further, the wiring portion has a plate portion protruding outward of the holding case, an outer wall portion erected rearward along the tip edge of the plate portion, and a lateral direction (in claim 2) on the base end side of the plate portion. It is extended in the vertical direction) and consists of an inner wall part that stands rearward so as to face the outer wall part. The space behind the plate part and sandwiched between the outer wall part and the inner wall part is both boards. It is said to be a wiring space for wiring cables that electrically connect to. Therefore, since it has a wiring structure not found in conventional intercom devices, it is possible to reliably prevent the cable from coming into contact with other devices such as a liquid crystal display device. In addition, since the wiring part is integrally molded with the holding case, it is not necessary to install a separate member, which can save space in the main body case and suppress the increase in the number of parts, which in turn makes the intercom device thinner. Can be planned.
Further, according to the third aspect of the present invention, since the eaves portion covering the rear side of the wiring space is bent and molded at the tip of either the outer wall portion or the inner wall portion, the wiring space is formed by the eaves portion. It is possible to suppress the backward bending of the cable passed through the inside.

It is explanatory drawing which showed the intercom master unit from the front side. It is explanatory drawing which showed the inside of the intercom master unit from the rear side. It is a perspective explanatory view which showed the inside of the intercom master unit from the rear side. It is a perspective explanatory view which showed the holding case from the rear surface side.

Hereinafter, the intercom master unit according to the embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an explanatory view showing the intercom master unit 1 from the front side. FIG. 2 is an explanatory view showing the inside of the intercom master unit 1 from the rear surface side. FIG. 3 is a perspective explanatory view showing the inside of the intercom master unit 1 from the rear surface side. FIG. 4 is a perspective explanatory view showing the holding case 11 from the rear surface side.

The intercom master unit 1 is a main body case in which a front case 2 arranged on the front side and a rear case (not shown) arranged on the rear side are assembled, and a decorative panel 8 is attached so as to cover the front surface of the front case 2. A display screen 10 for displaying an image or the like captured by an intercom slave unit (not shown) is exposed at substantially the center of the front surface of the main body case. Further, a button 9 for answering a call from the intercom slave unit is provided at the lower part of the front surface of the main body case. Further, on the right side of the front surface of the main body case, a calling unit 6 for making a call with an intercom handset (not shown) is provided. In addition, in the main body case, there are control boards 4 and 5 for controlling the main operation of the intercom master unit 1 such as communication operation with the intercom slave unit, and a liquid crystal display device (not shown) having a display screen 10. It is built-in.

Here, the structure related to the wiring of the control boards 4 and 5 which are the main parts of the present invention will be described.
In the main body case, the liquid crystal display device is held in a state where the rear surface is covered by the holding case 11. Then, on the rear surface of the holding case 11, a first board mounting portion 12 for mounting the first control board 4 and a second board mounting portion 13 for mounting the second control board 5 are left and right. It is installed side by side in. Further, on the upper edge of the holding case 11, a wiring portion 14 for wiring a cable for electrically connecting the control boards 4 and 5 is provided.

The wiring portion 14 is provided on the plate portion 15 projecting upward from the upper side of the holding case 11, the upper wall portion 16 erected rearward along the upper side of the plate portion 15, and the base end side of the plate portion 15. It extends in the left-right direction, has a lower wall portion 17 that stands rearward so as to face the upper wall portion 16, and is integrally molded with the holding case 11. The space behind the plate portion 15 and sandwiched between the upper wall portion 16 and the lower wall portion 17 functions as a wiring space for passing the cable. The plate portion 15 is provided so that its left end is located above the first board mounting portion 12 and its right end is located above the second board mounting portion 13. Further, both the left and right ends of the wiring portion 14 are open to the left and right outside.

Further, at the tip (rear end) of the lower wall portion 17, an eaves portion 18 that is bent upward to cover the rear of the wiring space is provided, and the cable passed through the wiring space by the eaves portion 18 is provided. The bending to the rear is suppressed. Further, the eaves 18 are provided with arcuate notches 19 and 19 for partially exposing the wiring space, so that the wiring work of the cable to the wiring space can be easily performed. There is. On the other hand, protrusions 20 and 20 projecting onto the wiring space are provided at locations of the upper wall portion 16 facing the cutouts 19 and 19, and the cables passed through the wiring space are provided with the cutouts 19 and 19. It is possible to suppress the swelling backward through the wiring.

According to the intercom master unit 1 having the above configuration, in order to mount the first board mounting portion 12 for mounting the first control board 4 and the second control board 5 on the rear surface of the holding case 11. The second board mounting portion 13 of the above is provided side by side, and a wiring portion 14 for wiring a cable for electrically connecting the control boards 4 and 5 is provided on the upper edge of the holding case 11. .. Further, the wiring portion 14 has a plate portion 15 projecting upward from the upper side of the holding case 11, an upper wall portion 16 erected rearward along the upper side of the plate portion 15, and a base end of the plate portion 15. It is extended in the left-right direction on the side, and is composed of a lower wall portion 17 that stands rearward so as to face the upper wall portion 16, and is on the rear side of the plate portion 15, and the upper wall portion 16 and the lower wall. The space sandwiched between the portion 17 and the portion 17 is used as a wiring space for passing the cable. Therefore, since it has a wiring structure not found in conventional intercom devices, it is possible to reliably prevent the cable from coming into contact with other devices such as a liquid crystal display device. Further, since the wiring portion 14 is integrally molded in the holding case, it is not necessary to install a separate member, and it is possible to save space in the main body case and suppress an increase in the number of parts, and by extension, the intercom master unit 1 Can be made thinner.

Further, at the tip of the lower wall portion 17, an eaves portion 18 that is bent upward and covers the rear of the wiring space is provided. Therefore, the eaves 18 can suppress the backward bending of the cable passed through the wiring space.
Further, since the eaves 18 are provided with arcuate notches 19 and 19 for partially exposing the wiring space, it is possible to easily perform the wiring work of the cable to the wiring space. In addition, since the protrusions 20 and 20 projecting onto the wiring space are provided at the positions of the upper wall portion 16 facing the cutouts 19 and 19, the cables passed through the wiring space are provided with the cutouts 19 and 19. It is possible to suppress the swelling backward through the wiring.

In the intercom device according to the present invention, not only the overall configuration of the intercom device but also the configuration related to the wiring portion and the like can be appropriately changed as necessary without departing from the spirit of the present invention.

For example, although the intercom master unit is described in the above embodiment, the present invention can be suitably adopted for other intercom devices such as an intercom slave unit.
Further, in the above embodiment, the wiring portion is provided on the upper edge of the holding case, but the wiring portion may be provided on the lower edge, the wiring portion may be provided on both the upper and lower edges, and the wiring portion may be provided on the upper edge. The number and position of the wiring portions may be changed as appropriate, such as by providing two portions. Further, when the board mounting portions are provided side by side on the rear surface of the holding case, similar wiring portions may be provided on the left edge and the right edge of the holding case. That is, a plate portion that protrudes to the left and right outward of the holding case may be provided, and an outer wall portion may be provided along the tip edge of the plate portion, and an inner wall portion that extends in the vertical direction may be provided on the base end side of the plate portion.
In addition, in the above embodiment, the eaves portion is provided on the lower wall portion, but the eaves portion may be provided on the upper wall portion, and the presence or absence and the number of eaves, notches, and protrusions can be appropriately changed and designed. Is.

1 ... Intercom master unit (intercom equipment), 2 ... Front case (main body case), 4, 5 ... Control board, 10 ... Display screen, 11 ... Holding case, 12, 13 ... Board mounting part, 15 ... board part, 16 ... upper wall part (outer wall part), 17 ... lower wall part (inner wall part), 18 ... eaves part, 19 ... notch, 20 ... protrusion.

Claims (3)

An intercom device in which a liquid crystal display device is installed inside the main body case with the rear surface covered by a holding case, and the display screen of the liquid crystal display device is exposed on the front surface of the main body case.
On the rear surface of the holding case, a first board mounting portion for mounting the first board and a second board mounting portion for mounting the second board are provided side by side and side by side.
Along the upper edge and / or the lower edge of the holding case, a wiring portion serving as a wiring space for wiring a cable for electrically connecting both the boards is provided.
Further, the wiring portion has a plate portion protruding outward of the holding case, an outer wall portion erected rearward along the tip edge of the plate portion, and a lateral direction toward the base end side of the plate portion. The space is extended and consists of an inner wall portion that stands rearward so as to face the outer wall portion, and a space that is behind the plate portion and is sandwiched between the outer wall portion and the inner wall portion is both said. An intercom device characterized by being used as a wiring space for wiring cables that electrically connect boards. An intercom device in which a liquid crystal display device is installed inside the main body case with the rear surface covered by a holding case, and the display screen of the liquid crystal display device is exposed on the front surface of the main body case.
On the rear surface of the holding case, a first board mounting portion for mounting the first board and a second board mounting portion for mounting the second board are provided side by side and vertically.
Along the left and / or right edges of the holding case, a wiring portion that serves as a wiring space for wiring a cable that electrically connects both the boards is provided.
Further, the wiring portion has a plate portion protruding outward of the holding case, an outer wall portion erected rearward along the tip edge of the plate portion, and a vertical direction toward the base end side of the plate portion. The space is extended and consists of an inner wall portion that stands rearward so as to face the outer wall portion, and a space that is behind the plate portion and is sandwiched between the outer wall portion and the inner wall portion is both said. An intercom device characterized by being used as a wiring space for wiring cables that electrically connect boards. The intercom device according to claim 1 or 2, wherein an eaves portion covering the rear side of the wiring space is bent and molded at the tip of either the outer wall portion or the inner wall portion.

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