Drawing type distribution box and alternating current and direct current integrated power supply cabinet

Abstract

The utility model relates to the technical field of power distribution cabinets, in particular to a drawing type power distribution box and an AC / DC integrated power supply cabinet, which comprise an electrical component group and a power distribution box body, the power distribution box body is movably arranged in the AC / DC integrated power supply cabinet, the electrical component group is arranged in the power distribution box body, and the electrical component group is arranged in the power distribution box body. The electrical component group is arranged in the distribution box body, so that the electrical component group moves along with the distribution box body when the distribution box body moves; a wiring terminal connecting part is arranged at the rear end of the distribution box body; the power distribution box body is used for being connected with an alternating current and direct current integrated power supply cabinet circuit before the power distribution box body moves and being disconnected with the alternating current and direct current integrated power supply cabinet circuit when the power distribution box body moves.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution cabinets, and particularly relates to a pull-out type distribution box and an AC / DC integrated power supply cabinet. Background Art

[0002] At present, the AC / DC integrated power supply system mainly includes a DC operating power supply system, an AC power supply system, a UPS power supply system, and a DC / DC communication power supply system. The AC / DC integrated power supply system is mainly applied in fields such as power grids and power generation, and serves as the AC / DC uninterruptible power supply for all power automation systems, communication systems, remote execution systems, opening and closing of high-voltage circuit breakers, relay protection, automatic devices, signal devices, etc.

[0003] However, the existing AC / DC integrated power supply cabinets have the following problems:

[0004] 1. In the existing AC / DC integrated power supply cabinets, each internal electrical component is usually connected by cables. In terms of classifying and installing electrical components and wiring, it is impossible to achieve high efficiency and orderliness; at the same time, the electrical components cannot be moved. If forced to move, problems such as cable detachment are likely to occur. Therefore, it is not convenient for management and maintenance by managers. Once a circuit fails, a large amount of time is required for disassembly and detection operations, affecting the normal use of the AC / DC integrated power supply cabinet. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide a pull-out type distribution box and an AC / DC integrated power supply cabinet.

[0006] The utility model is realized by the following technical solutions.

[0007] A pull-out type distribution box includes a group of electrical components, and also includes a distribution box body. The distribution box body is used for being movably installed in the AC / DC integrated power supply cabinet. The group of electrical components is arranged in the distribution box body, so that the group of electrical components moves along with the distribution box body when the distribution box body moves. A wiring terminal connection part is arranged at the rear end of the distribution box body for connecting with the circuit of the AC / DC integrated power supply cabinet before the distribution box body moves and for disconnecting from the circuit of the AC / DC integrated power supply cabinet when the distribution box body moves.

[0008] As a further improvement of the utility model, the group of electrical components includes a molded case circuit breaker arranged on the distribution box body, and the switch of the molded case circuit breaker is used as the main switch of the group of electrical components.

[0009] As a further improvement of the present utility model, the electrical component group further includes a fuse, a multi-functional electricity meter, a second circuit breaker, a surge protector, a first junction box, a relay, a third circuit breaker, an AC / DC converter, and a second junction box disposed inside the distribution box body.

[0010] As a further improvement of the present utility model, a guide rail is provided inside the distribution box body, and the fuse, the multi-functional electricity meter, the second circuit breaker, the surge protector, the first junction box, the relay, the third circuit breaker, the AC / DC converter, and the second junction box are all disposed on the guide rail.

[0011] As a further improvement of the present utility model, wiring grooves are provided above and / or below the guide rail inside the distribution box body.

[0012] As a further improvement of the present utility model, a plurality of connection terminals are provided at the connection part of the wiring terminals.

[0013] As a further improvement of the present utility model, a plurality of first copper bars are provided inside the distribution box body, and current transformers are provided on each of the first copper bars.

[0014] As a further improvement of the present utility model, a plurality of second copper bars are provided inside the distribution box body, a wiring row is provided inside the distribution box body, and both ends of each of the second copper bars are respectively connected to the first copper bar and the wiring row.

[0015] As a further improvement of the present utility model, a plurality of third copper bars are provided inside the distribution box body, one end of each third copper bar is connected to the inner wall of the distribution box body, and the other end is connected to the molded case circuit breaker.

[0016] Based on the same concept, the present utility model also discloses an AC / DC integrated power cabinet, including the AC / DC integrated power cabinet, and further including the distribution box as described above. The AC / DC integrated power cabinet is provided with a sliding chamber, the distribution box is slidably disposed in the sliding chamber, and the distribution box can penetrate out from one side of the sliding chamber.

[0017] Advantages of the present utility model: A distribution box body is provided, and the distribution box body is movably installed inside the AC / DC integrated power cabinet. Specifically, it is installed in the AC / DC integrated power cabinet in a pull-out manner, and the electrical components are installed inside the distribution box body. A connection part of wiring terminals is provided at the rear side of the distribution box body. When the distribution box body is installed, it is connected to the circuit of the AC / DC integrated power cabinet through the wiring terminals. After the distribution box body is pulled out, it can be disconnected from the circuit of the AC / DC integrated power cabinet through the wiring terminals, which is convenient for the management personnel to perform maintenance, improves the maintenance efficiency and safety, and reduces the maintenance cost. Description of the Drawings

[0018] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding of the purpose and advantages of the present invention, where:

[0019] Figure 1 It is a schematic diagram of the internal structure of the distribution box body in the embodiment of the present invention;

[0020] Figure 2 It is a schematic diagram of the rear side structure of the distribution box body in the embodiment of the present invention. Specific embodiments

[0021] The present invention will be further described in detail below with reference to the drawings and embodiments.

[0022] The orientation terms such as up, down, left, right, front, back, front side, back side, top, bottom, etc. mentioned or possibly mentioned in this specification are defined relative to the structures shown in the respective drawings. The terms "inside" and "outside" respectively refer to the directions towards or away from the geometric center of a specific component. They are relative concepts and may therefore change accordingly depending on their different positions and different usage states. Therefore, these or other orientation terms should not be construed as restrictive terms.

[0023] Refer to Figures 1 to 2 What is disclosed in the embodiment of the present invention is:

[0024] An AC / DC integrated power supply cabinet, including an AC / DC integrated power supply cabinet, including a distribution box. The AC / DC integrated power supply cabinet is provided with a sliding chamber (electrical chamber), and the distribution box is slidably arranged in the sliding chamber, and the distribution box can penetrate out from one side of the sliding chamber.

[0025] The distribution box includes an electrical component group, and further includes a distribution box body 1. The distribution box body 1 is used for being movably installed in the AC / DC integrated power supply cabinet. The electrical component group is arranged in the distribution box body 1 so that the electrical component group moves along with the distribution box body 1 when the distribution box body 1 moves. A wiring terminal connection part 2 is arranged at the rear end of the distribution box body 1 for connecting with the lines of the AC / DC integrated power supply cabinet before the distribution box body 1 moves and for disconnecting from the lines of the AC / DC integrated power supply cabinet when the distribution box body 1 moves.

[0026] In this embodiment, a distribution box housing 1 is provided. The distribution box housing 1 is movably installed in the sliding chamber of the AC / DC integrated power cabinet and can penetrate out from one side of the sliding chamber. Specifically, it is installed in the AC / DC integrated power cabinet in a pull-out manner. Electrical components are installed in the distribution box housing 1, and a terminal connection part is provided at the rear side of the distribution box housing 1. When the distribution box housing is installed, it is connected to the lines of the AC / DC integrated power cabinet through the terminals. After the distribution box housing is pulled out, it can be disconnected from the lines of the AC / DC integrated power cabinet through the terminals, which is convenient for the management personnel to perform maintenance, improves the maintenance efficiency and safety, and reduces the maintenance cost.

[0027] The electrical component group includes a molded case circuit breaker 3 provided at the front end of the distribution box housing 1. The switch of the molded case circuit breaker 3 is provided at the front side of the distribution box housing 1 to serve as the main switch of the electrical component group.

[0028] The electrical component group further includes a fuse 4, a multifunctional electricity meter 5, a second circuit breaker 6, a surge protector 7, a first junction box 8, a relay 9, a third circuit breaker 10, an AC / DC converter 11, and a second junction box 12 provided in the distribution box housing 1. By providing the electrical component group, the control requirements of the AC / DC integrated power cabinet are met.

[0029] A guide rail 13 is provided in the distribution box housing 1. The fuse 4, the multifunctional electricity meter 5, the second circuit breaker 6, the surge protector 7, the first junction box 8, the relay 9, the third circuit breaker 10, the AC / DC converter 11, and the second junction box 12 are all provided on the guide rail 13.

[0030] In the box body of the first junction box 8, wiring grooves 14 are provided above and / or below the guide rail 13. As Figure 1 shown, in this embodiment, the second circuit breaker 6 and the surge protector 7 are also provided with wiring grooves 14.

[0031] The terminal connection part 2 is provided with a plurality of connection terminals. Specifically, in this embodiment, a total of 7 connection terminals (Phoenix terminals) are provided at the terminal connection part 2 at the rear side of the distribution box housing 1, namely 9P Phoenix terminal 201, 11P Phoenix terminal 202, 4P Phoenix terminal 203, 3P Phoenix terminal 204, 2P Phoenix terminal 205, 6P Phoenix terminal 206, and 4P Phoenix terminal 207. The lines in the AC / DC integrated power cabinet are connected through each connection terminal.

[0032] Inside the distribution box housing 1, several first copper bars (phase A copper bar 15, phase B copper bar 16, phase C copper bar 17) are provided, and current transformers 18 are arranged on each of the first copper bars (15, 16, 17); several second copper bars (19, 20, 21) are provided inside the distribution box housing 1, and a terminal block 22 is arranged inside the distribution box housing 1, which is specifically fixed inside the distribution box housing 1 by rivet studs. Both ends of each of the second copper bars (19, 20, 21) are respectively connected to the first copper bars (15, 16, 17) and the terminal block 22 (which is a 3P PCS / TC terminal block in this embodiment); specifically, the upper ends of each of the first copper bars (15, 16, 17) are fixed above the molded case circuit breaker 3, while each of the second copper bars (19, 20, 21) is fixed on the terminal block 22 by rivet studs. And in this embodiment, a sheet metal bracket is arranged inside the distribution box housing 1. In this embodiment, 2 current transformers 18 are respectively arranged on the first copper bars (phase A copper bar 15, phase C copper bar 17), and the other current transformer 18 is sleeved on the first copper bar (phase B copper bar 16), and the current transformers are respectively placed on the brackets above and below the sheet metal bracket; and in this embodiment, an insulating terminal is also arranged at the part (as shown in the figure, the overlapping part) where the first copper bars (15, 16, 17) are connected to the second copper bars (19, 20, 21) inside the distribution box housing 1, and they are connected and supported through the insulating terminal.

[0033] In addition, in this embodiment, a grounding bar 24 is also arranged inside the distribution box housing 1.

[0034] Several third copper bars 23 are arranged inside the distribution box housing 1. One end of the third copper bar 23 is connected to the inner wall of the distribution box housing 1, and the other end is connected to the molded case circuit breaker 3.

[0035] It should be noted that the specific electrical connection manners between the various electrical components in this embodiment are well-known to those skilled in the art, so they will not be elaborated here.

[0036] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A pull-out type distribution box, comprising an electrical component group, characterized in that: It further includes a distribution box body (1), the distribution box body (1) is movably installed in the AC / DC integrated power cabinet, and the electrical component group is arranged in the distribution box body (1) so that the electrical component group moves along with the distribution box body (1) when the distribution box body (1) moves. A terminal connection part (2) is arranged at the rear end of the distribution box body (1) for connecting with the lines of the AC / DC integrated power cabinet before the distribution box body (1) moves and for disconnecting from the lines of the AC / DC integrated power cabinet when the distribution box body (1) moves.

2. The pull-out type distribution box according to claim 1, wherein: The electrical component group includes a molded case circuit breaker (3) arranged on the distribution box body (1), and the switch of the molded case circuit breaker (3) is used as the main switch of the electrical component group.

3. The pull-out type distribution box according to claim 2, characterized in that: The electrical component group further includes a fuse (4), a multi-functional electricity meter (5), a second circuit breaker (6), a surge protector (7), a first junction box (8), a relay (9), a third circuit breaker (10), an AC / DC converter (11), and a second junction box (12) arranged in the distribution box body (1).

4. The pull-out type distribution box according to claim 3, wherein: A guide rail (13) is arranged in the distribution box body (1), and the fuse (4), the multi-functional electricity meter (5), the second circuit breaker (6), the surge protector (7), the first junction box (8), the relay (9), the third circuit breaker (10), the AC / DC converter (11), and the second junction box (12) are all arranged on the guide rail (13).

5. The pull-out type distribution box according to claim 4, characterized in that: Wiring grooves (14) are arranged above and / or below the guide rail (13) in the distribution box body (1).

6. The pull-out type distribution box according to claim 1, wherein: The terminal connection part (2) is provided with a plurality of connection terminals.

7. A pull-out distribution box according to claim 1, characterized in that: A plurality of first copper bars (15, 16, 17) are arranged in the distribution box body (1), and current transformers (18) are arranged on each of the first copper bars (15, 16, 17).

8. A pull-out distribution box according to claim 7, characterized in that: A plurality of second copper bars (19, 20, 21) are arranged in the distribution box body (1), a bus bar (22) is arranged in the distribution box body (1), and two ends of each of the second copper bars (19, 20, 21) are respectively connected to the first copper bars (15, 16, 17) and the bus bar (22).

9. The draw - out type distribution box according to claim 2, characterized in that: A plurality of third copper bars (23) are arranged in the distribution box body (1), one end of each third copper bar (23) is connected to the inner wall of the distribution box body (1), and the other end is connected to the molded case circuit breaker (3).

10. An AC-DC integrated power supply cabinet, including an AC-DC integrated power supply cabinet, characterized in that: It further includes the distribution box as described in any one of claims 1-9. The AC / DC integrated power cabinet is provided with a sliding chamber, the distribution box can be slidably arranged in the sliding chamber, and the distribution box can penetrate out from one side of the sliding chamber.

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