CN207853396U - Distribution drawout cubicle vertical bus bar installation multifunction board - Google Patents

Abstract

The multifunctional board for vertical busbar installation of power distribution drawer cabinet is characterized in that it includes a multifunctional board body (A), and the multifunctional board body (A) is provided with at least one vertical busbar installation isolation groove (4) , the bottom of the vertical busbar installation isolation groove (4) is provided with a bridge-shaped contact via hole (5). The multifunctional board for vertical busbar installation of the power distribution drawer cabinet is used to fix the vertical busbar and install bridge contacts, so that the vertical busbars are isolated from each other during installation, and at the same time reduce the wear of the vertical busbar and reduce the resistance. Increased the safety of the use of vertical busbars.

Description

Multifunctional board for vertical busbar installation of power distribution drawer cabinet

technical field

The utility model belongs to the technical field of power distribution drawer cabinets, and specifically relates to a multifunctional board for installing vertical bus bars of power distribution drawer cabinets.

Background technique

Among the low-voltage complete switchgear, the drawer cabinet is widely used in various power distribution equipment because of its compact structure and convenient maintenance. The main circuit connector of the unit drawer in the low-voltage power distribution cabinet is composed of a moving connector and a static connector that cooperate with each other. In specific use, the main circuit connector consists of two sets of moving connectors and static connectors, one of which is used as an incoming line connection, and the other set is used as an outgoing line connection. The static connector is fixed on the rear partition of the low-voltage power distribution cabinet and does not move. The A, B, and C three-phase plug-in components on it are bidirectionally connected. One end of the plug-in component is connected to the dynamic connector, and the other end of the plug-in component is connected to the Corresponding circuits in the power distribution cabinet, such as incoming busbars or outgoing cables, are connected; the moving connectors are set on the back panel of the unit drawer, and move together with the pull of the unit drawer. Phase plug-in assemblies are bi-directional connections. The connector assembly terminal of the moving connector used for incoming line connection is connected to the electrical components in the unit drawer, and the other end of the plug assembly is connected to the static connector as the incoming line part of the unit drawer circuit; for the outgoing line connection One end of the plug assembly of the moving connector is connected to the electrical components in the unit drawer, and the other end is connected to the static connector as the outlet part of the unit drawer circuit. After the dynamic connector is plugged and connected with the static connector along with the movement of the drawer, the incoming line is connected with the incoming busbar with the dynamic connector, and the outgoing line is connected with the outgoing cable with the dynamic connector, so that the unit drawer and distribution are realized. The connection of the circuit between the electric cabinets.

At present, the complete set of drawer power distribution cabinets is generally assembled by bus clamps and bare copper. The vertical busbars are completely insulated by air and do not have the function of phase isolation. In addition, because the vertical busbars do not have the function of installing bridge contacts, making The primary connector is directly connected to the vertical busbar. The vertical busbar is easy to wear and the resistance increases, which can easily cause the temperature rise at the connection of the copper bar and the rapid aging of the insulation.

Utility model content

The purpose of this utility model is to aim at the technology that the above-mentioned existing vertical busbars have no phase-to-phase isolation function when they are installed, and the vertical busbars cannot be connected with bridge contacts, which leads to the vertical busbars being easy to wear, increasing the resistance, and increasing the temperature rise. The defect is to provide a multifunctional board for installing vertical busbars in power distribution drawer cabinets, which is used to fix vertical busbars and install bridge contacts, so that vertical busbars are isolated from each other during installation, and at the same time reduce the wear of vertical busbars , reduce the resistance, and increase the safety of vertical busbars.

Technical solutions

In order to achieve the above-mentioned technical purpose, the utility model design of the multifunctional board for vertical busbar installation of power distribution drawer cabinet is characterized in that it includes a multifunctional board body, and the multifunctional board body is provided with at least one vertical busbar installation The isolating groove, the bottom of the isolating groove for installing the vertical busbar is provided with a bridge-shaped contact via hole.

Further, the multi-function board body includes a multi-function board 1, several multi-function boards 2 and multi-function boards 3, the multi-function board 1, several multi-function boards 2 and multi-function boards 3 are connected side by side in sequence to form a vertical busbar Install the isolation tank.

Further, the multi-function board 1, the multi-function boards 2 and the multi-function board 3 are plugged in and connected by using a boss-groove matching structure.

Further, the bottom of the vertical busbar installation isolation groove is provided with a threaded bottom hole.

Further, reinforcing ribs are provided on the wall of the isolation groove for vertical busbar installation.

Further, the multifunctional board 1 includes a base plate 1, and the base plate 1 is provided with a side wall 1, and the side wall 1 encloses a space 1 with an opening on the right side, and several isolation plates 1 isolate the space 1 into several vertical busbars The isolation groove section 1 is installed, the bottom plate 1 on the outer side of the side wall is provided with a waist-shaped hole 1, and the bottom plate 1 in the space 1 is provided with a threaded bottom hole and a bridge contact through hole 1.

Further, the multifunctional board 2 includes a bottom plate 2, and a side wall 2 is arranged on the bottom plate 2, and the side wall 2 encloses a space 2 with openings on the left and right sides, and a plurality of isolation plates 2 isolate the space 2 into a plurality of vertical females. The isolation groove section 2 is installed in a row, the bottom plate 2 on the outer side of the side wall 2 is provided with a waist-shaped hole 2, and the bottom plate 2 in the space 2 is provided with a threaded bottom hole and a bridge contact through hole 2.

Further, the multifunctional board 3 includes a bottom plate 3, and a side wall 3 is arranged on the bottom plate 3, and the side wall 3 encloses a space 3 with an opening on the left side, and several isolation plates 3 isolate the space 3 into several vertical busbars The isolation groove section 3 is installed, the bottom plate 3 outside the side wall 3 is provided with a waist-shaped hole 3, and the bottom plate 3 in the space 3 is provided with a threaded bottom hole and a bridge-type contact through hole 3.

Further, the first multi-functional board, the second multi-functional board and the third multi-functional board are all made of flame-retardant plastic materials.

Beneficial effect

The utility model provides a multifunctional board for installing vertical busbars of a power distribution drawer cabinet, which is used to fix the vertical busbars and install bridge contacts, so that the vertical busbars are isolated from each other during installation, and at the same time, the number of vertical busbars is reduced. wear, reduce resistance, and increase the safety of vertical busbars.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model embodiment.

Accompanying drawing 2 is the top view of the utility model embodiment.

Accompanying drawing 3 is the enlarged view of place B in accompanying drawing 2.

Accompanying drawing 4a is a structural schematic diagram of the multifunctional board in the embodiment of the utility model.

Accompanying drawing 4 b is the plan view of the multifunctional board 1 in the embodiment of the utility model.

Accompanying drawing 5a is the structural schematic diagram of the multifunctional plate 2 in the embodiment of the utility model.

Accompanying drawing 5b is the top view of the multifunctional board 2 in the embodiment of the utility model.

Accompanying drawing 6a is a schematic diagram of the three structures of the multifunctional board in the embodiment of the utility model.

Accompanying drawing 6b is the top view of the multifunctional board 3 in the embodiment of the utility model.

Accompanying drawing 7 is the structural diagram of the bridge contact in the embodiment of the utility model.

Accompanying drawing 8 is the front view of the bridge contact in the embodiment of the utility model.

Accompanying drawing 9 is the exploded view of the bridge contact in the embodiment of the utility model.

Figure 10 is a schematic diagram of the vertical busbar installation structure in the embodiment of the utility model.

Accompanying drawing 11 is a sectional view at C in accompanying drawing 10.

Accompanying drawing 12 is a sectional view at D in accompanying drawing 10.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model is described further.

Example

As shown in Figures 1, 2, 3 and 11, the multi-function board for installing the vertical busbar of the power distribution drawer cabinet includes a multi-function board body A, and the multi-function board body A is provided with three side-by-side The vertical busbar installation isolation groove 4 for installing the vertical busbar 10, the bottom of the vertical busbar installation isolation groove 4 is provided with a bridge-shaped contact via hole 5, and the bridge-shaped contact 12 can be connected from the multi-functional board body. The back side of A is pushed into and connected with the vertical busbar 10 along the bridge contact via hole 5 .

Specifically, in this embodiment, the multifunctional board body A includes a multifunctional board 1, several multifunctional boards 2 and 3, and the multifunctional board 1, multifunctional board 2 and The multi-function boards 3 and 3 are all made of flame-retardant plastic materials. The multi-function board one 1, several multi-function boards two 2 and three multi-function boards 3 are sequentially connected side by side to form a vertical busbar installation isolation groove 4. A threaded bottom hole 6 is provided at the bottom of the vertical busbar installation isolation groove 4 . A reinforcement rib 7 is provided on the wall of the vertical busbar installation isolation groove 4 .

As shown in Figures 4a and 4b, the multifunctional board 1 includes a base plate 101, and the base plate 101 is provided with a side wall 102, and the side wall 102 encloses a space 103 with an opening on the right side, A number of isolation plates 104 isolate the space 103 into several vertical busbar installation isolation groove sections 105, the bottom plate 101 outside the side wall 102 is provided with a waist-shaped hole 106, and the bottom plate in the space 103 One 101 is provided with a threaded bottom hole 6 and a bridge contact through hole one 107 .

As shown in Figures 5a and 5b, the multifunctional board 2 includes a bottom plate 201, and the bottom plate 201 is provided with a side wall 202, and the side wall 202 encloses a space 2 203 with openings on the left and right sides. , a number of isolation plates 204 isolate the space 203 into several vertical busbar installation isolation slot sections 205, the bottom plate 201 outside the side wall 202 is provided with a waist-shaped hole 206, and the space 203 inside The bottom plate 2 201 is provided with a threaded bottom hole 6 and a bridge-shaped contact via hole 2 207 .

As shown in Figures 6a and 6b, the multifunctional board 3 includes a bottom plate 301, and the bottom plate 301 is provided with a side wall 302, and the side wall 302 encloses a space 303 with an opening on the left side. A number of isolation plates 304 isolate the space 303 into several vertical busbar installation isolation groove sections 305, the bottom plate 301 outside the side wall 302 is provided with a waist-shaped hole 306, and the bottom plate in the space 303 Three 301 are provided with threaded bottom hole 6 and bridge contact through hole three 307.

The multi-function board one 1, several multi-function boards two 2 and multi-function board three 3 realize plug-in connection by using the boss-groove matching structure. Specifically, in this embodiment, the right side of the multifunctional board 1 is provided with a boss 108, and the side of the plurality of multifunctional boards 2 corresponding to the multifunctional board 1 is provided with the The groove two 208, the boss one 108 and the groove two 208 are plugged together to realize the assembled connection of the multi-function board one 1 and the multi-function board two 2, and several of the multi-function board two 2 also realize the assembled connection between the several multifunctional boards 2 through the insertion of the boss and the groove, and the assembled connection between the multifunctional board 2 and the multifunctional board 3 also adopts the above-mentioned convex The plug-in connection method of the platform and the groove, and the plug-in connection method of the boss and the groove can increase the electrical clearance.

As shown in Figures 7, 8 and 9, the bridge contact 801 includes a left contact piece group 801a and a right contact piece group 801b. In the opening slot 802a of the member 802, a left leaf spring 803 is installed on the back of the left contact piece group 801a, a right leaf spring 804 is installed on the back of the right contact piece group 801b, and the left leaf spring 803 and the right plate The spring 804 is also inserted in the opening slot 802a of the support member 802, the support member 802 is provided with a piece pin hole 802b, and the piece pin 805 is inserted in the piece pin hole 802b and is located on the left contact piece. In the sheet pin groove 806 formed on the inner surface of the group 801a and the right contact sheet group 801b, the end of the left contact sheet group 801a is equipped with a left insulating cover 807, and the end of the right contact sheet group 801b is equipped with a right insulating cover 808. Positioning bosses 809 are provided on the front surfaces of the left contact piece group 801 a and the right contact piece group 801 b , and positioning holes 810 corresponding to the positioning bosses 809 are provided on the left insulating cover 807 and the right insulating cover 808 .

As shown in accompanying drawings 10, 11 and 12, the assembly process of this embodiment is: firstly fix a multifunctional board 1, several multifunctional boards 2, and 1 multifunctional board 3 on the switch cabinet, and then Fix the vertical busbar 10 on the multifunctional board with self-tapping screws 13, and then push the tail of the bridge contact 12 inward into the vertical busbar installation isolation groove 4 of the multifunctional board. At this time, the bridge contact 12 is plugged into the Installed on the vertical busbar 10, the number of bridge contacts 12 is determined according to actual needs; then the cover plate (not shown in the drawings) is fixed and locked in the groove of the vertical busbar installation isolation groove 4 with self-locking screws 11 on the wall.

The structures, proportions, sizes, quantities, etc. shown in the drawings attached to the embodiments of the present utility model are only used to match the content disclosed in the manual, for those who are familiar with this technology to understand and read, and are not used to limit the utility model. The restrictive conditions for the implementation of the new model, so it has no technical substantive significance, any modification of the structure, the change of the proportional relationship or the adjustment of the size, without affecting the effect and the purpose of the utility model, should be Still fall within the scope that the technical content disclosed by the utility model can cover. At the same time, terms such as "upper", "lower", "left", "right", "middle", "clockwise", and "counterclockwise" quoted in this specification are only for the convenience of description. It is not intended to limit the applicable scope of the present utility model, and the change or adjustment of its relative relationship shall also be regarded as the applicable scope of the present utility model without substantial change in the technical content.

Claims (9)

1. The multifunctional board for vertical busbar installation of power distribution drawer cabinet is characterized in that it includes a multifunctional board body (A), and the multifunctional board body (A) is provided with at least one isolation groove for vertical busbar installation ( 4), the bottom of the vertical busbar installation isolation groove (4) is provided with a bridge-shaped contact via hole (5). 2. The multifunctional board for installing the vertical busbar of the power distribution drawer cabinet according to claim 1, characterized in that: the multifunctional board body (A) includes a multifunctional board one (1), several multifunctional boards two ( 2) and multi-function board three (3), the multi-function board one (1), several multi-function boards two (2) and multi-function board three (3) are connected side by side in sequence to form vertical busbar installation isolation slots (4 ). 3. The multifunctional board for vertical busbar installation of the power distribution drawer cabinet according to claim 2, characterized in that: said multifunctional board one (1), several multifunctional boards two (2) and multifunctional boards three ( 3) Use the matching structure of the boss and groove to realize the plug-in connection. 4. The multifunctional board for vertical busbar installation of power distribution drawer cabinet according to claim 2, characterized in that: the bottom of the vertical busbar installation isolation groove (4) is provided with a threaded bottom hole (6). 5. The multifunctional board for vertical busbar installation of power distribution drawer cabinet according to claim 2, characterized in that: the groove wall of the vertical busbar installation isolation groove (4) is provided with reinforcing ribs (7). 6. The multifunctional board for installing vertical busbars of a power distribution drawer cabinet according to claim 2, characterized in that: the multifunctional board one (1) includes a bottom board one (101), and the bottom board one (101) is A side wall (102) is provided, and the side wall (102) encloses a space (103) opened on the right side, and a number of isolation plates (104) isolate the space (103) into a plurality of vertical busbars for installation and isolation Groove section one (105), bottom plate one (101) on the outside of the side wall one (102) is provided with a waist-shaped hole one (106), and bottom plate one (101) in the space one (103) is provided with Threaded bottom hole (6) and bridge contact through hole one (107). 7. The multifunctional board for installing the vertical busbar of the power distribution drawer cabinet according to claim 2, characterized in that: said multifunctional board two (2) includes bottom board two (201), and said bottom board two (201) is The second side wall (202) is provided, and the second side wall (202) encloses the second space (203) with openings on the left and right sides, and several isolation plates (204) isolate the second space (203) into several vertical busbar installations Isolation groove section two (205), bottom plate two (201) on the outside of said side wall two (202) is provided with waist-shaped hole two (206), and bottom plate two (201) in said space two (203) is provided with There are threaded bottom holes (6) and bridge contact through hole two (207). 8. The multifunctional board for installing vertical busbars of a power distribution drawer cabinet according to claim 2, characterized in that: said multifunctional board three (3) includes a bottom board three (301), and said bottom board three (301) is A side wall three (302) is provided, and the side wall three (302) encloses a space three (303) with an opening on the left side, and several isolation plates three (304) isolate the space three (303) into a plurality of vertical busbar installation and isolation Groove section three (305), the bottom plate three (301) outside the side wall three (302) is provided with a waist-shaped hole three (306), and the bottom plate three (301) in the space three (303) is provided with Threaded bottom hole (6) and bridge contact through hole three (307). 9. The multifunctional board for installing the vertical busbar of the power distribution drawer cabinet according to claim 2, characterized in that: the multifunctional board one (1), the multifunctional board two (2) and the multifunctional board three (3 ) are made of flame retardant plastic material.