CN216958874U

CN216958874U - High-voltage rectification direct-current integrated cabinet

Info

Publication number: CN216958874U
Application number: CN202220552163.0U
Authority: CN
Inventors: 黄炼钢; 杨安; 方永平; 徐建平; 吴劲芝; 孙朋程
Original assignee: Vertiv Tech Co Ltd
Current assignee: Vertiv Tech Co Ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-12
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a high-voltage rectification direct-current integrated cabinet which comprises a cabinet shell, and a rectification unit and a direct-current unit which are arranged in the cabinet shell, wherein the rectification unit and the direct-current unit are arranged in the vertical direction, the input end of the rectification unit is electrically connected with an alternating-current unit, and the output end of the rectification unit is electrically connected with the direct-current unit. The high-voltage rectification direct-current integrated cabinet combines the direct-current function and the rectification function together, and the rectification units and the direct-current units are arranged in the vertical direction, so that the structural layout is reasonable and compact, the function partitions are clear, and the system volume can be effectively saved; the orderliness of each component installation is improved, the complexity of circuits in the cabinet is simplified, and technicians can observe corresponding components more visually during maintenance, so that the maintenance is convenient.

Description

High-voltage rectification direct-current integrated cabinet

Technical Field

The utility model belongs to the technical field of high-voltage direct-current power supply systems, and particularly relates to a high-voltage rectification and direct-current integrated cabinet.

Background

In a high-voltage direct-current power supply system, the system is generally divided into three unit systems, namely an alternating-current power distribution cabinet, a rectifier cabinet, a direct-current power distribution cabinet and the like, wherein the three units are respectively designed and are independent to form a cabinet, and the cabinet is called as a discrete high-voltage direct-current system. In the system, a part of units can be combined, such as a rectifier cabinet and a direct current power distribution cabinet, which are called as an integrated cabinet.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-voltage rectification direct-current integrated cabinet which is compact in structure and reasonable in layout.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

a high-voltage rectification direct-current integrated cabinet comprises a cabinet shell, and a rectification unit and a direct-current unit which are arranged in the cabinet shell, wherein the rectification unit and the direct-current unit are arranged in the vertical direction, the input end of the rectification unit is electrically connected with an alternating-current unit, and the output end of the rectification unit is electrically connected with the direct-current unit.

Further, the rectifying unit comprises a rectifying module, an alternating current input switch and an alternating current input switch wiring bar, wherein the alternating current input switch is electrically connected with the alternating current unit, and the output end of the alternating current input switch is electrically connected with the alternating current input switch wiring bar.

Further, the rectifier unit further comprises an alternating current switch-to-module bus bar, and the output end of the alternating current input switch wiring bar is connected with the alternating current switch-to-module bus bar.

Further, an ac input socket and a dc output socket are configured on the rectifier module, wherein the ac input socket is electrically connected to the ac switch-to-module busbar, and the dc output socket is connected to the dc unit.

Further, the direct current unit comprises a direct current bus bar and a direct current main bus bar, one end of the direct current bus bar is connected with the rectifying unit, and the other end of the direct current bus bar is connected with the direct current main bus bar.

Further, the direct current busbar extends in the vertical direction, and the direct current main busbar extends in the horizontal direction.

Further, the direct current bus-bar type bus-bar device further comprises a plurality of direct current branches, and the direct current branches are connected with the direct current main bus-bar.

Further, the direct current branch comprises a positive output wiring bank and a negative output wiring bank, and the positive output wiring bank and the negative output wiring bank are arranged in parallel in the horizontal direction.

Further, the direct current shunt circuit further comprises an isolating switch shunt circuit, and the isolating switch shunt circuit and the direct current shunt circuit are connected together in parallel.

Further, the detection device further comprises a detector and a fuse, and the detector and the fuse are arranged in the vertical direction.

The utility model has the beneficial effects that:

the high-voltage rectification direct-current integrated cabinet combines the direct-current function and the rectification function together, and the rectification units and the direct-current units are arranged in the vertical direction, so that the structural layout is reasonable and compact, the function partitions are clear, and the system volume can be effectively saved; the orderliness of each component installation is improved, the complexity of circuits in the cabinet is simplified, and technicians can observe corresponding components more visually during maintenance, so that the maintenance is convenient.

Drawings

FIG. 1 is an exploded view of a high voltage rectified DC integral cabinet of the present invention in a preferred embodiment;

FIG. 2 is a front view of the high voltage rectified DC integral cabinet of the present invention in a preferred embodiment;

FIG. 3 is a rear view of the high voltage rectified DC integral cabinet of the present invention in a preferred embodiment;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a rear view of the high voltage rectified DC integral cabinet of the present invention in another preferred embodiment;

fig. 6 is a right side view of the high voltage rectified dc integral cabinet of the present invention in a preferred embodiment.

The reference numerals include:

100-cabinet shell 110-cabinet frame 120-cabinet door

130-human-computer operation interface 200-rectification unit 210-rectification module

211-ac input socket 212-dc output socket 220-module plug frame

230-AC input switch 240-AC input switch wiring row

250-AC switch to Module busbar 300-DC Unit

310-DC bus bar 320-DC main bus bar

331-positive output line bank 332-negative output line bank

340-DC shunt 350-isolating switch shunt

360-370-detector 380-fuse of monitoring device

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 and 2, a preferred embodiment of the present invention is a high voltage rectification dc integrated cabinet, which includes a cabinet 100, and a rectification unit 200 and a dc unit 300 installed inside the cabinet 100, wherein the rectification unit 200 and the dc unit 300 are arranged in a vertical direction, an input end of the rectification unit 200 is electrically connected to an ac unit, and an output end of the rectification unit is electrically connected to the dc unit 300. The high-voltage rectification direct-current integrated cabinet combines the direct-current function and the rectification function together, and the rectification units and the direct-current units are arranged in the vertical direction, so that the structural layout is reasonable and compact, the function partitions are clear, and the volume of the integrated cabinet can be effectively saved; the orderliness of each component installation is improved, the complexity of circuits in the cabinet is simplified, and technicians can observe corresponding components more visually during maintenance, so that the maintenance is convenient. The above components are described in further detail below.

As shown in FIG. 1, cabinet housing 100 mainly includes a cabinet frame 110, a cabinet door 120, and a human-machine interface 130. The cabinet frame 110 is generally rectangular, the cabinet door 120 is mounted on the cabinet frame 110, and the human-machine interface 130 is mounted on the cabinet door 120. Cabinet frame 110 and cabinet door 120 enclose a cavity (not numbered) for mounting rectifying unit 200 and dc unit 300. The rectification unit 200 and the direct current unit 300 are arranged in a vertical direction, for example, the rectification unit 200 is installed at the lower half part of the internal space of the cabinet housing 100, and the direct current unit 300 is installed at the upper half part of the internal space of the cabinet housing 100. Of course, it is understood that the positions of the rectifying unit 200 and the dc unit 300 may be changed, or the rectifying unit 200 and the dc unit 300 may be arranged in parallel.

In a preferred embodiment of the present application, as shown in fig. 1 and 2, the rectifying unit 200 includes at least one rectifying module 210, a module insertion frame 220, an ac input switch 230, an ac input switch wiring bar 240, and an ac switch-to-module bus bar 250. Preferably, the number of the rectification modules 210 is plural. Wherein, a plurality of rectifier modules 210 are installed in the module insertion frame 220, and fixed in the cabinet frame 110 through the module insertion frame 220.

The module insertion frame 220 is further provided with an ac input switch 230, the ac input switch 230 is electrically connected with the ac unit (not shown in the figure), and is connected with an input power supply (not shown in the figure) of the system through a cable; the output of the ac input switch 230 is electrically connected to the ac input switch terminal block 240. Specifically, the ac input switch 230 is installed in front of the module insertion frame 220 for easy operation by a person. The number of the ac input switches 230 is also plural corresponding to the rectifier modules 210, and each ac input switch 230 manages the on/off of the plurality of rectifier modules 210, so that the functional partitions are clear and easy to identify. Further, the ac input switch 230 is installed below the corresponding rectifying module 210, and has a short electrical connection distance and a clear structure.

As shown in fig. 3, the rectifier unit 200 further includes an ac input switch terminal block 240 and an ac switch-to-module bus block 250. Specifically, the ac input switch terminal block 240 is installed in the cabinet housing 100 to extend in a depth direction of the cabinet housing 100. The input of the ac input switch terminal block 240 is connected to the output of the ac input switch 230, and the output of the ac input switch terminal block 240 is connected to the input of the ac switch-to-module bus 250. The ac switch-to-module bus bar 250 extends along the height direction of the cabinet 100, is vertically disposed in the rear space of the cabinet 100, and has an output end connected to the dc unit 300.

As shown in fig. 3 and 4, the rectifier module 210 is provided with an ac input socket 211 and a dc output socket 212. Wherein the ac input socket 211 is coupled to the ac switch-to-module busbar 250 and the dc output socket 212 is electrically coupled to the dc unit 300.

As shown in fig. 1-3, the dc unit 300 mainly includes a dc bus bar 310, a dc main bus bar 320, a dc shunt 340, a disconnecting switch shunt 350, a monitoring device 360, a detector 370, and a fuse 380.

As shown in fig. 3, the dc bus bar 310 extends along the height direction of the cabinet 100, and is vertically disposed in the rear space of the cabinet 100. The input end of the dc bus bar 310 is connected to the rectifying unit 200, and the output end is connected to the dc main bus bar 320. The dc main bus bar 320 extends along the width direction of the cabinet housing 100.

At least one dc shunt 340 is provided, and preferably, the number of the dc shunt 340 is plural. The dc branches 340 are disposed parallel to each other and extend along the height direction of the cabinet housing 100. The lower end of the dc shunt 340 is connected to the dc main busbar 320.

The isolation switch shunt circuit 350 is connected in parallel with the dc shunt circuit 340. A fuse 380 is mounted on the dc shunt 340. The detectors 370 and the fuses 380 are arranged in a vertical direction. In one embodiment of the present application, the fuse 380 is mounted above the detector 370; in one embodiment of the present application, the fuse 380 is mounted above the detector 370, as shown in FIG. 5.

As shown in fig. 6, the dc shunt 340 includes a positive output terminal row 331 and a negative output terminal row 332, and the positive output terminal row 331 and the negative output terminal row 332 are arranged in parallel in the depth direction of the integrated cabinet. In one embodiment of the present application, the positive output terminal block 331 is installed behind the negative output terminal block 332. The positive output wiring row 331 and the negative output wiring row 332 are arranged in front and at the back with corresponding direct current positive and negative devices (not shown in the figure), the wiring area is clearly defined, and the wiring is convenient.

The high-voltage rectification direct-current integrated cabinet is reasonable and compact in structural layout, clear in functional partition and capable of effectively saving the system volume.

The foregoing is only a preferred embodiment of the present invention, and many variations in the detailed description and the application range can be made by those skilled in the art without departing from the spirit of the present invention, and all changes that fall within the protective scope of the utility model are therefore considered to be within the scope of the utility model.

Claims

1. The high-voltage rectification direct-current integrated cabinet is characterized by comprising a cabinet shell (100), and a rectification unit (200) and a direct-current unit (300) which are installed inside the cabinet shell (100), wherein the rectification unit (200) and the direct-current unit (300) are arranged in the vertical direction, the input end of the rectification unit (200) is electrically connected with the alternating-current unit, and the output end of the rectification unit is electrically connected with the direct-current unit (300).

2. The high voltage rectified dc integral cabinet according to claim 1, wherein said rectifying unit (200) comprises a rectifying module (210), an ac input switch (230) and an ac input switch terminal block (240), wherein said ac input switch (230) is electrically connected to said ac unit and the output terminal is electrically connected to said ac input switch terminal block (240).

3. The high voltage rectified dc integral cabinet according to claim 2, wherein said rectifying unit (200) further comprises an ac switch-to-module busbar (250), and the output of the ac input switch busbar (240) is connected to said ac switch-to-module busbar (250).

4. The high voltage rectification dc integral cabinet according to claim 3, characterized in that the rectification module (210) is provided with an ac input socket (211) and a dc output socket (212), wherein the ac input socket (211) is electrically connected with the ac switch-to-module busbar (250), and the dc output socket (212) is connected with the dc unit (300).

5. The high-voltage rectification direct-current integrated cabinet according to any one of claims 1-4, characterized in that the direct-current unit (300) comprises a direct-current bus bar (310) and a direct-current main bus bar (320), wherein one end of the direct-current bus bar (310) is connected with the rectification unit (200), and the other end of the direct-current bus bar is connected with the direct-current main bus bar (320).

6. The high-voltage rectification direct-current integrated cabinet according to claim 5, characterized in that the direct-current bus bars (310) extend in a vertical direction, and the direct-current main bus bars (320) extend in a horizontal direction.

7. The high-voltage rectification direct-current integrated cabinet according to claim 5, further comprising a plurality of direct-current branches (340), wherein the plurality of direct-current branches (340) are connected with the direct-current main busbar (320).

8. The high voltage rectified direct current integrated cabinet according to claim 7, wherein said direct current branch (340) comprises a positive output terminal block (331) and a negative output terminal block (332), said positive output terminal block (331) and said negative output terminal block (332) being juxtaposed in a horizontal direction.

9. The high voltage rectified dc integral cabinet according to claim 7 or 8, further comprising an isolating switch shunt circuit (350), wherein said isolating switch shunt circuit (350) is connected in parallel with said dc shunt circuit (340).

10. The high voltage rectification direct current integrated cabinet according to claim 9, further comprising a detector (370) and a fuse (380), wherein the detector (370) and the fuse (380) are arranged in a vertical direction.