CN220138940U - Maintenance power supply box - Google Patents

Abstract

The utility model discloses an overhaul power supply box which comprises a box body, wherein a mounting plate is arranged in the box body, an outgoing line terminal is arranged at a position close to the bottom of the mounting plate, an incoming line terminal is arranged above the outgoing line terminal, a connecting assembly is matched with the incoming line terminal, a bus bar is arranged at a position close to the top of the mounting plate, and the bus bar is arranged in a staggered manner in front of and behind. The bus bars comprise A-phase bus bars, B-phase bus bars, C-phase bus bars and N-phase bus bars, wherein the A-phase bus bars and the C-phase bus bars are positioned on a first plane, the B-phase bus bars and the N-phase bus bars are positioned on a second plane, and the second plane and the first plane form staggered layers.

Description

Maintenance power supply box

Technical Field

The utility model belongs to the field of power supply boxes, and particularly relates to an overhaul power supply box with a compact structure.

Background

The existing overhaul power supply box is generally characterized in that a busbar copper bar is adopted as an incoming line, or a connecting terminal is adopted alone. The bus bar is adopted, so that the overall size is increased, the occupied area of the cabinet body is large, the cost is high, the requirement on the building space of the power distribution room is large, and meanwhile, the overall cost is increased greatly. When the independent wiring terminals are adopted, the series connection between the distribution boxes cannot be realized, and the method is not suitable for site construction. The existing similar products are distributed in a busbar, the length of the busbar is longer, and the connecting line from the line inlet breaker to the busbar is longer, so that the cost is higher.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide an overhaul power supply box with a compact structure.

In order to achieve the above object, the present utility model is realized by the following technical scheme:

the embodiment of the utility model provides a maintenance power supply box with a compact structure, wherein a mounting plate is arranged in the box body, an outgoing line terminal is arranged at a position close to the bottom of the mounting plate, an incoming line terminal is arranged above the outgoing line terminal, the incoming line terminal is matched with a connecting component, a bus bar is arranged at a position close to the top of the mounting plate, and the bus bar is arranged in a staggered manner in front and back; an outgoing line isolation breaker and an incoming line isolation breaker are arranged between the bus bar and the incoming line terminal; the wire inlet terminal is connected with the wire inlet isolation breaker in series and then connected with the bus bar, and the bus bar is connected with the wire outlet isolation breaker and then connected with the wire outlet terminal.

As a further technical scheme, the bus bar comprises an A-phase bus bar, a B-phase bus bar, a C-phase bus bar and an N-phase bus bar, wherein the A-phase bus bar and the C-phase bus bar are positioned on a first plane, the B-phase bus bar and the N-phase bus bar are positioned on a second plane, and the second plane and the first plane form a staggered layer.

As a further technical scheme, the B-phase bus bar and the N-phase bus bar are installed on the a-phase bus bar and the C-phase bus bar.

As a further technical scheme, a temperature and humidity controller is fixed on one side of the incoming line terminal.

As a further technical scheme, an outgoing line isolation breaker and an incoming line isolation breaker are arranged between the bus bar and the incoming line terminal.

As a further technical scheme, the air inlet terminal is arranged on the bracket, the bracket is connected with the mounting plate, and an outlet space is formed between the mounting plate and the bracket.

As a further technical scheme, a connecting wire between the outgoing line isolation circuit breaker and the outgoing line terminal passes through the mounting plate and the bracket to form an outgoing line space.

As a further technical scheme, a heater is fixed at the top of the box body.

As a further technical scheme, the outside of the bus bar is provided with a protective cover.

As a further technical scheme, a terminal plug is arranged between the incoming line loop and the outgoing line loop in the power box.

The beneficial effects of the embodiment of the utility model are as follows:

the bus bar is arranged in a staggered layer, so that the whole box body is compact in structure, small in occupied area, high in cost-saving, and capable of saving the building space of a power distribution room; meanwhile, the incoming line end adopts the connecting terminal to be matched with the connecting component for use, so that the incoming line function of the distribution box is guaranteed, and meanwhile, the other path can be led out, and the distribution box is convenient to use in parallel.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a right side view of FIG. 1;

in the figure: 1. the system comprises an incoming line terminal A/B/C/N, an outgoing line isolation circuit breaker, an incoming line isolation circuit breaker, a busbar, a heater, a busbar protection bracket, an outgoing line circuit breaker, a temperature and humidity controller, an outgoing line terminal and an incoming line terminal bracket.

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular forms also are intended to include the plural forms unless the present utility model clearly dictates otherwise, and furthermore, it should be understood that when the terms "comprise" and/or "include" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;

for convenience of description, the words "upper", "lower", "left" and "right" in the present utility model, if they mean only the directions of upper, lower, left and right in correspondence with the drawings themselves, are not limiting in structure, but merely serve to facilitate description of the present utility model and simplify description, rather than to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As described in the background art, the utility model provides a maintenance power box with a compact structure, which aims to solve the technical problems.

In a typical embodiment of the present utility model, as shown in fig. 1, the present utility model aims to solve the above-mentioned problems, and provides an overhaul power supply box with advantages of simple structure, rapid assembly, no need of punching and overlapping, small occupied area, etc. The common isolating switch with 3P input and 4 output is a conventional molded case circuit breaker, and the two circuit breakers are generally circuit breakers with leakage function (the circuit breakers are generally in micro-breaking form). The size of the similar product is at least 800 x 850 x 180 (width x height x depth), and after the structure provided by the embodiment is adopted, the size of the overhaul power supply box can be reduced to 550 x 700 x 170 (width x height x depth), so that the overhaul power supply box has a compact overall structure and reasonable layout, and the size is reduced under the condition of meeting the product performance.

Specifically, the overhaul power supply box disclosed in the embodiment comprises a box body, wherein a wire inlet terminal A/B/C/N1, a wire outlet isolation breaker 2, a wire inlet isolation breaker 3, a busbar 4, a busbar protection bracket 6, a wire outlet breaker 7, a temperature and humidity controller 8, a wire outlet terminal 9 and a wire inlet terminal bracket 10 are arranged on a mounting plate in the box body; firstly, the functions of components in the box body are reasonably partitioned, and then reasonable layout is carried out. Specifically, the incoming line terminal A/B/C/N1 is positioned near the bottom of the mounting plate, the incoming line terminal A/B/C/N1 adopts the connecting terminal, and the connecting terminal is simultaneously matched with the connecting component for use, so that the incoming line function of the distribution box is ensured, and the other path can be led out simultaneously, thereby being convenient for parallel connection. Meanwhile, copper bars are saved, and the overall size requirement is reduced.

Furthermore, the phase terminals of the wire inlet terminals A/B/C/N1 are separated by terminal plugs, so that the safety distance between the phase terminals A/B/C/N1 is ensured. Meanwhile, the incoming line terminals A/B/C/N1 are in layered design, the incoming line terminals A/B/C/N1 are arranged on the upper layer close to the bottom of the mounting plate and are mounted on the incoming line terminal bracket 10, and the incoming line terminal bracket 10 is mounted on the side wall of the mounting plate, as shown in FIG. 3; an outgoing line space is formed between the incoming line terminal bracket 10 and the mounting plate, the outgoing line terminal 9 is positioned on the mounting plate below the incoming line terminal A/B/C/N1, the outgoing line isolation circuit breaker 2 is connected with the outgoing line terminal 9 through a wire, and the wire passes through the outgoing line space formed between the incoming line terminal bracket 10 and the mounting plate, so that the outgoing line space of the outgoing line terminal 9 is increased through the design, and the safety distance between the outgoing line terminals 9 is ensured.

Further, the inlet and outlet wires of the inlet wire terminal A/B/C/N1 and the outlet wire terminal 9 adopt cable wiring, and the inlet and outlet wires enter and exit downwards in the direction of the inlet and outlet wire.

Further, bus bars 4 are arranged at the upper part of the mounting plate, the bus bars 4 are arranged in a staggered manner (as shown in fig. 2) in a separated manner along the width direction, and meanwhile, the bus bars of A/B/C/N are arranged in a layered manner in a reasonable manner, in fig. 2, from left to right, the phase A bus bars are connected with the mounting plate through binding posts, the phase B bus bars are connected with the phase A bus bars through binding posts, and the phase B bus bars are higher than the phase A bus bars and the phase C bus bars; the C-phase busbar is connected with the mounting plate through the binding post, the N-phase busbar is connected with the C-phase busbar through the binding post, and the four busbar buses form staggered arrangement in this way; namely, the phase a bus and the phase C bus in the present embodiment are located in a first plane, the phase B bus and the phase N bus are located in a second plane, and the second plane and the first plane form a staggered layer.

Enough wiring terminal holes are reserved under the condition of ensuring the safety distance. At the same time, this arrangement fulfils the requirement of having two heaters 5, which can be arranged above the busbar 4.

The protection plate 6 is further arranged on the outer side of the bus bar 4 to prevent electric shock, so that the safety of products is greatly improved, the warning mark is attached, and the safe operation is guaranteed.

Further, an outgoing line isolation breaker 2, an incoming line isolation breaker 3 and an outgoing line breaker 7 are arranged between the bus bar 4 and the incoming line terminal A/B/C/N1; in the embodiment, the outgoing line isolation circuit breaker 2 and the incoming line isolation circuit breaker 3 in the micro-terminal form can be interchanged, so that the requirements of different current grades are met; the outgoing line breaker 7 is in the form of a plastic shell.

Further, a terminal plug is arranged between each incoming line loop and each outgoing line loop, so that the safety distance of each phase can be ensured.

Furthermore, in the embodiment, the inlet and outlet ports are arranged below the wiring device, so that the wiring of the inlet and outlet ports is convenient, the wiring length is short, and the cost is saved.

A temperature and humidity controller 8 (corresponding to the right side of the figure 1) is also arranged at one side of the incoming line terminal A/B/C/N1; an outgoing line isolation breaker 2 is also arranged between the temperature and humidity controller 8 and the incoming line terminal A/B/C/N1.

The electrical connection relationship between the above-described respective terminals is as follows:

the incoming line terminal A/B/C/N1 is connected with the incoming line isolation circuit breaker 3, and the incoming line isolation circuit breaker 3 is respectively connected with the phase A busbar, the phase B busbar and the phase C busbar; then, the phase a busbar, the phase B busbar, the phase C busbar, and the phase N busbar are connected to the outgoing line isolation breaker 2 and the outgoing line breaker 7, and the outgoing line isolation breaker 2 and the outgoing line breaker 7 are connected to the outgoing line terminal 9.

Further, the surface of the overhauling power box in the embodiment is sprayed with plastic, has attractive appearance and overload and short-circuit protection functions, can adopt a module structure, can be freely assembled according to the needs of users, can be selected by the users, such as a surge protector, an ammeter, a voltmeter and the like, and can be internally and optionally provided with a circuit breaker, an alternating-current contactor, a thermal relay, a transformer, a fuse, a signal lamp, a change-over switch and the like.

Finally, it is pointed out that relational terms such as first and second are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (9)

1. The utility model provides a maintenance power supply box, includes the box, its characterized in that set up the mounting panel in the box, the position that is close to the mounting panel bottom sets up wire terminal, sets up wire terminal in wire terminal's top, and wire terminal cooperation has the contact subassembly, and the busbar setting is in the position that is close to the mounting panel top, and the staggered floor setting around the busbar; an outgoing line isolation breaker and an incoming line isolation breaker are arranged between the bus bar and the incoming line terminal; the wire inlet terminal is connected with the wire inlet isolation breaker in series and then connected with the bus bar, and the bus bar is connected with the wire outlet terminal after being connected with the wire outlet isolation breaker in series.

2. The service power box of claim 1, wherein the bus bars include a-phase bus bars, B-phase bus bars, C-phase bus bars, and N-phase bus bars, wherein the a-phase bus bars and the C-phase bus bars lie in a first plane, the B-phase bus bars and the N-phase bus bars lie in a second plane, and the second plane forms a staggered layer with the first plane.

3. A service power box as claimed in claim 2, wherein the B-phase and N-phase bus bars are mounted on the a-phase and C-phase bus bars.

4. A service power box as claimed in claim 1, characterized in that a temperature and humidity controller is fixed to one side of the incoming line terminal.

5. The service power box as claimed in claim 1, wherein the incoming line terminal is mounted on a bracket, the bracket is higher than the surface of the mounting plate and is connected with the mounting plate, and an outgoing line space is formed between the mounting plate and the bracket.

6. The service power box as claimed in claim 5, wherein the connection wire between the outgoing line isolation circuit breaker and the outgoing line terminal passes through the mounting plate and the bracket to form an outgoing line space.

7. A service power box according to claim 1, wherein a heater is secured to the top of the box.

8. A service power box according to claim 1, wherein a protective cover is provided on the outside of the busbar.

9. A service power box as claimed in claim 1, wherein there is a terminal plug between the inlet and outlet loops within the power box.