JP2007325444A - Power distribution board provided with power distribution equipment connection preventing means - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a power distribution board that improves workability when constituting the power distribution board so as to be capable of preventing a prescribed number or more of power distribution equipment from being erroneously connected in the power distribution board, reduces management costs and manufacturing costs of components, prevents an increase in working manhours and that of in working costs due to additional installation of the power distribution equipment even when additionally installing the power distribution equipment in the future, and is safely and inexpensively provided with a power distribution equipment connection preventing means. <P>SOLUTION: The power distribution board 100 is composed so that a plurality of the power distribution equipment 103 are arranged at prescribed positions while being respectively connected to a connection part of each conductor device 104 respectively connected with each of a plurality of the power distribution equipment. The power-distribution equipment connection preventing means, which prevents the connection of the power distribution equipment 103, is provided to a part of the connection parts in a plurality of the connection parts, provided in the conductor device, in the conductor device. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

The present invention relates to a distribution board provided with a distribution device connection preventing means for preventing connection of a distribution device to a conductor device provided in the distribution board, and in particular, the distribution board is connected to the distribution device. It is related with the distribution board which improved the workability | operativity at the time of comprising so that incorrect connection of this may be prevented.

Generally, the distribution board has a configuration in which a main switch and a plurality of distribution devices are connected by a conductor device and are housed in a casing. For example, as shown in FIG. 6, the conductor device has a structure in which a first voltage phase conductor, a neutral phase conductor, and a second voltage phase conductor are held in an insulating state in an insulating block. The main switch is connected to one end of the conductor device, and a plurality of connection portions for connecting a power distribution device are provided in the other end direction.

The number of distribution devices connected to the conductor device is determined according to the electrical capacity of the conductor device, the rated capacity of the main switch, etc., and when producing a distribution board, only a predetermined number The distribution equipment is installed on the distribution board and provided in that state.

In addition, it is necessary to provide users with various distribution boards according to the electrical capacity of the conductor device and the rated capacity of the main switch, but in manufacturing these various distribution boards, product management In order to reduce costs and manufacturing costs, it is common to perform sharing in order to reduce the types of components. For example, a conductor device may be shared to reduce the types of components.

As an example of common use of the conductor device, as described above, the number of distribution devices provided in the distribution board is determined according to the rated capacity of the main switch. For example, a predetermined distribution device In the distribution board constituted by 12 pieces, there may be a case where the conductor device is used in common with the number of connected distribution devices up to 16.

In this case, the conductor device is provided with 16 connection portions, and 4 non-connection portions are generated. Then, as shown in FIG. 5, in order not to attach the power distribution device to these four unconnected portions, as shown in FIG. 5, it is electrically connected to the connection portion of the conductor device to which the power distribution device is connected. Work to remove or cut and remove the conductor part to be connected.

JP 2006-81306 A

However, the work for removing or cutting and removing the conductor part electrically connected to the connection part of the conductor device to which each of the power distribution devices is connected requires a great deal of work for removing or cutting and removing the connection part. It took a lot of man-hours and reduced productivity. Further, after the connection portion is removed, the charging portion is exposed, and there is a problem that there is a possibility of an electric shock accident by touching the charging portion by mistake.

Further, even when the connection part is not removed or cut and removed, there are the following problems.

Usually, the cover provided on the distribution board is provided with an opening for operating a distribution device. The opening is provided with the number of openings corresponding to the number of predetermined power distribution devices (12) or the size of the opening corresponding to the number of predetermined power distribution devices. When installing the electrical panel, in order to remove and install the cover,
In the case of not removing or disconnecting the connection part,
There is a possibility that the operator may be misunderstood as if the power distribution device can be attached to the connection portion.

Furthermore, once the connection part has been removed or cut and removed, if it becomes necessary to add power distribution equipment in the future, the main switch should be replaced with a switch with a large rated capacity. As a result, it is necessary to replace the conductor device itself, and the replacement of the conductor device necessitates the removal / attachment of power distribution equipment and the re-installation of the electric wires. The work man-hours are almost the same as when the distribution board itself is replaced, and there is a problem that the work man-hours increase due to the addition of power distribution equipment and the costs associated with the increase increase.

Accordingly, the object of the present invention is to improve the workability when configuring the distribution board so that it is possible to prevent erroneous connection of a predetermined number or more of distribution devices in the distribution board, as well as parts. Management costs and manufacturing costs can be reduced, and even when power distribution equipment is added in the future, it is possible to safely and inexpensively prevent the connection of power distribution equipment without increasing the man-hours and work costs associated with the expansion. It aims at providing the distribution board which can be equipped with.

To achieve the above object, claim 1 of the present invention provides:
In the distribution board in which the plurality of power distribution devices are connected to the connection portions of the conductor devices to be connected to each other and arranged at predetermined positions, one of the plurality of connection portions provided in the conductor device. A distribution board provided with a distribution device connection prevention means is provided, wherein the conductor device is provided with a distribution device connection prevention means for preventing the distribution device from being connected to the connection portion of the section. It is a thing.

As a result, even when the cover of the distribution board is removed, it is possible to clearly prevent the erroneous installation of a predetermined number or more of distribution devices in the distribution board without misleading the operator. In the future, if it is necessary to add additional distribution equipment, replace the main switch with one with a larger rated capacity, and remove the distribution equipment connection prevention means. Equipment can be added.

Further, in claim 2, the distribution device connection prevention means includes:
The distribution board provided with the distribution device connection preventing means according to claim 1, characterized in that a locking means for locking with the conductor device is integrally formed.

As a result, when the distribution board having the distribution device connection prevention means is configured, it can be attached simply by locking to the conductor device using the locking means. The distribution board can be provided with a device connection prevention means, and even when a distribution device needs to be added in the future, it can be removed relatively easily.
Further, since the locking means is integrally formed, the distribution device connection preventing means can be provided at low cost.

Further, in claim 3,
The power distribution device connection preventing means is:
3. A distribution board provided with a distribution equipment connection preventing means according to claim 1, wherein the distribution board is configured in a substantially U-shape so as to straddle the conductor device.

As a result, when providing the distribution device connection preventing means, the conductor portion of the conductor device can be covered comprehensively, so that it is possible to prevent an electric shock accident caused by accidentally touching the charging portion of the conductor device.

ADVANTAGE OF THE INVENTION According to this invention, workability | operativity at the time of comprising a distribution board can be improved, and a distribution board can be comprised so that it can prevent connecting a predetermined number or more of distribution devices in the distribution board accidentally. The cost of managing parts and manufacturing costs can be reduced, and even when power distribution equipment is added in the future, connection work of power distribution equipment can be prevented safely and inexpensively without increasing the man-hours and work costs associated with the expansion. A distribution board that can be provided with means can be provided.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

FIG. 1 is a view showing an embodiment of a distribution board according to the present invention. The distribution board 100 includes a main switch 102 in the cabinet 101, a conductor device 104 electrically connected to the main switch 102, and a component connected to the conductor device 104 and disposed at a predetermined position. It is a distribution board provided with the electrical equipment 103 and the electrical distribution equipment connection preventing means 105 for preventing the electrical power distribution equipment from being connected to a part of the conductor device 104.

Examples of power distribution equipment include branch switches normally used for distribution boards, lightning arresters that have substantially the same shape as the branch switches, and the ability to detect the occurrence of an earthquake and output an output signal to the outside. There are various types of equipment.

The cabinet 101 includes a box 1010, a panel 1011, and an insole 1012. The box 1010 forms a wall that covers the top, bottom, left, and right side surfaces and the back surface of the distribution board. An insole 1012 is a mounting plate for mounting internal devices such as the main switch 102, the conductor device 104, and the power distribution device 103, and the internal devices are attached to the insole 1012 as a unitary box. 1010.

The conductor device 104 has a structure in which a first voltage phase conductor, a neutral phase conductor, and a second voltage phase conductor are held in an insulated state in an insulating block. A main switch is connected to one end, and a plurality of connection portions for connecting a power distribution device are provided in the other end direction.

The number of power distribution devices connected to the conductor device is determined according to the electric capacity of the conductor device, the rated capacity of the main switch, and the like.

The panel 1011 is combined with the box 1010, and an opening is provided in part so that the main switch 102 and the power distribution device 103 can be opened and closed without removing the cover, and the entire front surface of the distribution board is provided. It is comprised so that it may cover.

The electric shock prevention cover 106 is installed on the conductor device 104 and covers the charging part of the conductor device.

FIGS. 2 and 3 show states before and after attachment of the distribution device connection preventing means 105 to the distribution board 100.

By attaching the distribution device connection prevention means 105 to a portion of the conductor device 104 where the distribution device 103 is not connected, it is possible to prevent the distribution device 103 from being connected to the conductor device 104 and to install a distribution board. It is possible to clearly tell the worker who cannot connect the power distribution device.

FIG. 4 is a diagram illustrating an example of the distribution device connection preventing unit 105. As shown in FIG. 4 (a), the outer shape of the distribution device connection prevention means 105 is substantially U-shaped, and the distribution device connection prevention means 105 is connected to the conductor device 104. By covering the connection device 1041 of the conductor device 104 and mounting the power distribution device connection preventing means 105, the connection device 1041 is provided so that it cannot be seen from the outside. .

Further, the distribution device connection preventing means 105 is integrally provided with a locking means 1051, and the locking means 1051 is formed with a hooking portion 1051 a with the conductor device 104.

When the conductor device 104 is mounted so as to cover the distribution device connection preventing means 105, the hook portion 1051a is locked by being fitted to the hook portion 104a of the conductor device 104. The strength of locking can be freely changed by appropriately providing the shape and size of the hooking portion 1051a.

Thus, compared with the case where the connection portion 1041 of the conductor device 104 is removed or folded, the mounting operation is completed simply by covering the distribution device connection prevention means 105 so as to straddle the conductor device 104. It is possible to provide a distribution board provided with a means for preventing connection of a distribution device at a low work cost.

Further, in the future, even when a distribution device is added to the distribution board, it is possible to increase the distribution by simply changing the rated capacity of the main switch 102 and removing the distribution device connection prevention means. Therefore, it is possible to efficiently add power distribution devices.

As described above, by providing the distribution board connection preventing means on the distribution board, it is possible to provide a distribution board capable of preventing connection of a predetermined number or more of distribution equipment. In addition, even when a distribution device is added in the future, it becomes possible to reduce the cost without replacing the distribution board itself.

Further, in the embodiment, when the parallel arrangement direction of the distribution devices in the distribution board is the width direction, the size in the width direction of the distribution device connection preventing means is the width of the distribution device. Although shown as an example substantially the same as the size of the direction, the size in the width direction of the distribution device connection prevention means is configured to be an integer multiple of the width direction of the distribution device, It is good also as a structure which covers the connection part equivalent to the some power distribution apparatus in the juxtaposition direction of the said power distribution apparatus at once. As a result, when the number of distribution devices connected to the conductor device is small, the number of times the distribution device connection prevention means is attached can be reduced, and the working efficiency can be improved.

It should be noted that the present invention is not limited to the embodiment, and can be improved and modified as necessary, as long as it does not depart from the gist of the invention. The shape of the power distribution device may be any shape as long as the power distribution device cannot be connected to the conductor device. For example, the shape of the power distribution device connection preventing means is substantially flat. The power distribution device may be provided so that the power distribution device cannot be connected to the conductor device by having a shape and having one end and the other end of the flat plate contact the power distribution device. Also, the arrangement position and shape of the locking means can be appropriately changed according to the conductor device, and any shape that can be locked to the conductor device is acceptable.

Distribution board showing an embodiment of the present invention The figure which shows before installing the equipment connection prevention means for electricity distribution The figure which shows after attaching the equipment connection prevention means for distribution Detailed view of device connection prevention means Figure with connection removed Illustration showing background technology

Explanation of symbols

100 Distribution board 101 Cabinet 1010 Box 1011 Panel 102 Main switch 103 Distribution device 104 Conductor device 105 Distribution device connection prevention means 1051 Locking means 106 Electric shock prevention cover

Claims (3)

Multiple power distribution devices
In the distribution board connected to the connection part of the conductor device for connecting each of the plurality of distribution devices, and arranged at a predetermined position,
A distribution device connection preventing means for preventing the distribution device from being connected to some of the plurality of connection portions provided in the conductor device is provided in the conductor device. A distribution board equipped with means for preventing the connection of distribution equipment. The distribution device connection prevention means includes
2. A distribution board provided with a distribution device connection preventing means according to claim 1, wherein a locking means for locking with said conductor device is integrally formed. The power distribution device connection preventing means is:
The distribution board provided with the distribution device connection preventing means according to claim 1, wherein the distribution board is configured in a substantially U-shape so as to straddle the conductor device.

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