JP6900116B2 - Distribution board - Google Patents

Description

The present invention relates to a distribution board.

As described in Patent Document 1, it is known that a ventilation port is provided in an electric air storage box for storing a modem or the like. It is also known that a ventilation port is provided on the front surface of the residential distribution board so that the inside of the housing can be ventilated.

Japanese Unexamined Patent Publication No. 2011-96802

By the way, the ventilation port provided on the front surface of the distribution board was simply a hole. For this reason, there is a risk that a tool or a foreign object may accidentally invade and touch the breaker or the like inside.

The inventor of this case tried to solve this problem by diligently examining this point. An object of the present invention is to provide a distribution board that prevents tools and the like from entering through a ventilation port.

In order to solve the above problems, it is a distribution board provided with a case member for storing power distribution equipment inside and a ventilation port on the front surface of the case member, and is arranged inside the case member at the back of the ventilation port. A distribution board with a barrier that extends away from the distribution equipment.

Further, it is preferable that the barrier portion is connected to a rib extending toward the inside of the case member.

Further, it is preferable that the end of the door is located in front of the ventilation port when the door provided on the case member is closed.

Further, each of the plurality of ventilation ports is provided with a plurality of ribs extending toward the inside of the case member, and the ribs located on the center side of the case member are front and rear of the ribs located on the end side of the case member. It is preferable to have a configuration in which the length in the direction is long.

INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide a distribution board in which tools and the like are prevented from entering through a ventilation port.

It is a perspective view of the distribution board of an embodiment. It is a perspective view of the distribution board of an embodiment. However, the door is open. It is a perspective view of the case member of an embodiment. It is a partially enlarged view of the case member of an embodiment. It is a VV cross-sectional view of FIG. It is an exploded perspective view of the distribution board of an embodiment. It is a perspective view which looked at the cover member from the back side. It is a perspective view of a body member. It is a perspective view which showed the back side of a door. It is a front view of the distribution board of an embodiment.

A mode for carrying out the invention is shown below. As can be understood from FIGS. 1 to 5, the distribution board 1 of the embodiment includes a case member 15 for accommodating a power distribution device inside, and a ventilation port 21 is provided on the front surface of the case member 15. I have. Further, in the inner part of the ventilation port 21, a barrier portion 23 extending in a direction away from the power distribution device arranged near the center inside the case member 15 is provided. Therefore, it is possible to provide the distribution board 1 in which tools and the like are prevented from entering through the ventilation port 21.

The distribution board 1 of the embodiment includes a case member 15 having a body member 14 and a cover member 11. A power distribution device is housed in the case member 15. Further, as can be understood from FIG. 6, in the embodiment, the internal unit 16 provided with the power distribution device is fixed to the body member 14 located on the rear surface side.

The cover member 11 of the embodiment includes an opening 12. The front panel 13 is attached so as to cover the opening 12, and at this time, it is detachably attached to the end of the opening 12. The front panel 13 includes a display window 99 that exposes the handle of a power distribution device such as a switch of the internal unit 16 when the opening 12 is covered. Since the front panel 13 is removable, the front panel 13 having an appropriate shape can be selected according to the state of the internal unit 16. Therefore, it is possible to appropriately correspond to various internal units 16 while suppressing the types of the cover member 11 to be manufactured.

As shown in FIG. 7, the cover member 11 of the embodiment includes a latch portion 98 used for fixing to the body member 14. Further, an operation unit 97 for operating the latch unit 98 is provided on the front surface side of the cover member 11. Further, as shown in FIG. 8, the body member 14 is provided with a locking portion 96 that engages with the latch portion 98. The locking portion 96 is configured to protrude from the side frame 19 of the body member 14.

As can be understood from FIGS. 1 to 3 and 9, the cover member 11 is provided with a removable door 17 that can be opened and closed. The door 17 can cover the handle of the power distribution device exposed from the front panel 13 of the cover member 11. The distribution board 1 of the embodiment is provided with a push latch 100 so that the door 17 and the cover member 11 can be pushed to select a locked state or an unlocked state.

By the way, the distribution board 1 of the embodiment includes a mounting base 18 for fixing a power distribution device such as a branch breaker 82 and a measuring unit 83. The internal unit 16 is configured by fixing power distribution devices such as a main circuit breaker 81, a branch breaker 82, and a measuring unit 83 to the mounting base 18.

The main breaker 81 connected to the commercial power source located outside the distribution board 1 is connected to the bus bar via the lead bar. The bus bar is connected to power distribution equipment such as the branch breaker 82 and the measurement unit 83, and supplies electric power to each. The distribution board 1 of the embodiment includes a lead bar connection terminal block 86 for supporting and fixing the bus bar and the lead bar.

Further, the distribution board 1 of the embodiment includes a bus bar terminal block 87 that supports the open end of the bus bar on the side opposite to the lead bar connection terminal block 86. Since the bus bar terminal block 87 has a configuration in which the bus bar is supported with the left and right sides of the bus bar open, it is possible to connect the connection portion of the power distribution device from the longitudinal end of the bus bar. A charge protection cover 88 is provided on the front surface of the bus bar so as not to touch the bus bar.

In the embodiment, the ventilation unit 2 is provided on the upper side of the cover member 11 and above the power distribution device of the internal unit 16. The ventilation unit 2 is a ventilation port 21 for ventilation, the front side of the ventilation port 21, specifically, the inside of the case member 15 from the vicinity of the lower end of the ventilation port 21 on the inner surface of the cover member 11, specifically, the cover member 11 to the body member 14. A rib 22 extending in a direction and a planar barrier portion 23 connected to the rib 22 are provided. The barrier portion 23 is arranged so as to face the ventilation port 21. As described above, if the barrier portion 23 is connected to the rib 22 extending toward the inside of the case member 15, dust and the like are less likely to enter. In the embodiment, the rib 22 and the barrier portion 23 are integrally provided, and the barrier portion 23 extends from the end portion of the rib 22.

The distribution equipment is housed inside the distribution board 1, but in order to prevent tools, wires, etc. from entering the charging part of the terminal of the distribution equipment, the distribution equipment arrangement direction when viewed from the back end of the rib 22 The barrier portion 23 is provided so as to extend on the opposite side. In this way, the barrier portion 23 extends from the inner end of the rib 22 in the direction away from the power distribution device. Specifically, the barrier portion 23 extends toward the upper surface side of the cover member 11. It is possible to prevent the tool from coming into contact with a power distribution device such as a breaker. Further, the rib 22 itself can also prevent the tool from coming into contact with a power distribution device such as a breaker.

In the embodiment, the power distribution device is located downward when viewed from the inner end of the rib 22 extending in the substantially horizontal direction, whereas the barrier portion 23 is provided so as to extend upward. Therefore, the air flowing in from the ventilation port 21 moves toward the upper part in the distribution board 1 so as to be separated from the power distribution device. In the embodiment, the body member 14 attached to the wall surface or the like is provided with the exhaust port 3, so that the warmed air can be exhausted from the body member 14 side. Specifically, the exhaust port 3 on the body member 14 side is provided above the ventilation port 21 on the cover member 11 side, so that the air warmed inside the distribution board 1 can be easily discharged to the outside.

In the embodiment, the rib 22 and the barrier portion 23 are provided so as to be orthogonal to each other, but the barrier portion 23 may be provided so as to extend at least upward from the rib 22. If the barrier portion 23 is provided so as to extend upward from the rib 22 to which the barrier portion 23 is connected, the tool can be prevented from entering the charging portion of the power distribution device. It is also possible to make the breaker inside the distribution board 1 invisible. In the present embodiment, the barrier portion 23 is integrally formed with the rib 22, but only the barrier portion 23 may be formed from the vicinity of the lower end of the ventilation port 21 on the inner surface of the cover member 11.

By the way, the case member 15 of the embodiment includes a door 17. As can be understood from FIGS. 5 and 10, when the door 17 is closed, the upper end of the door 17 is configured to be located in front of the front of the ventilation port 21, so that the ventilation port is located from the front side. 21 is made invisible. By doing so, it is possible to improve the design and prevent tools and the like from entering from the front side. The door 17 makes it difficult to see the ventilation port 21 from the front, but a space can be secured between the ventilation port 21 and the door 17, and the upper part of this space is in an open state. There is. Therefore, air can be introduced into the ventilation port 21, and the ventilation performance can be maintained even when the door 17 is attached.

Further, in the embodiment, ribs 22 formed in each of the plurality of ventilation ports 21 whose left and right sides are in the longitudinal direction are provided so as to be arranged in the vertical direction. The ribs 22 are provided so as to have different lengths in the front-rear direction. In the embodiment, the rib 22 located on the central side of the case member 15, specifically on the arrangement side of the power distribution device, is more than the rib 22 located on the end side of the case member 15, specifically on the upper side of the case member 15. The length in the front-back direction is long. Therefore, in the example shown in FIG. 5, the rib 22 located on the lower side has a longer length in the front-rear direction than the rib 22 located on the upper side. In the embodiment, the rib 22 located on the lower side is configured to protrude forward from the rib 22 located on the upper side. Further, the rib 22 located on the lower side and the rib 22 located on the upper side are configured so that the rear ends are arranged in the vertical direction.

If the length of the rib 22 located on the center side of the case member 15 in the front-rear direction is longer than the length of the rib 22 located on the end side of the case member 15 in the front-rear direction, an angle is formed from above. Even if an attempt is made to insert a tool or the like, it becomes difficult to invade the inside of the cover member 11. Further, the cover member 11 is usually weaker toward the center, but if the length of the case member 15 of the rib 22 in the inner direction is increased toward the center, the rib 22 can be efficiently reinforced. be able to.

Although the above description has focused on one embodiment, the present invention is not limited to the above embodiment and can be in various modes. For example, it is possible to provide only the barrier portion without providing the rib. Further, although the ventilation portion of the present embodiment is formed on the upper side of the front side of the cover member 11, it may be provided at the lower position and the left and right positions. When the ventilation port 21 is formed at the lower position, the barrier portion 23 shall extend in the lower surface direction, and when the ventilation port 21 is formed at the left and right positions, the barrier portion 23 shall extend in the left-right outer direction. ..

1 Distribution board 15 Case member 17 Door 21 Ventilation port 22 Rib 23 Barrier

Claims (2)

It is a distribution board equipped with a case member for storing power distribution equipment inside and a ventilation port on the front of the case member.
At the back of the ventilation port, a barrier part that extends away from the power distribution equipment placed inside the case member is provided .
Each of the plurality of ventilation openings is provided with a plurality of ribs extending toward the inside of the case member.
The barrier is connected to a rib that extends inward of the case member.
The rib located on the center side of the case member is a distribution board provided with a longer length in the front-rear direction than the rib located on the end side of the case member. A case member for storing power distribution equipment inside, a ventilation port on the front of the case member, and a distribution board with the end of the door located in front of the ventilation port when the door provided on the case member is closed. There,
At the back of the ventilation port, a barrier part that extends away from the power distribution equipment placed inside the case member is provided.
Each of the plurality of ventilation openings is provided with a plurality of ribs extending toward the inside of the case member.
The rib located on the center side of the case member is a distribution board provided with a longer length in the front-rear direction than the rib located on the end side of the case member.

Images