CN219477265U - Power distribution cabinet and energy storage system - Google Patents

Power distribution cabinet and energy storage system Download PDF

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Publication number
CN219477265U
CN219477265U CN202320576438.9U CN202320576438U CN219477265U CN 219477265 U CN219477265 U CN 219477265U CN 202320576438 U CN202320576438 U CN 202320576438U CN 219477265 U CN219477265 U CN 219477265U
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CN
China
Prior art keywords
copper bar
power distribution
voltage
cabinet
total
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CN202320576438.9U
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Chinese (zh)
Inventor
谭本学
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Hiconics Eco Energy Technology Co ltd
Midea Welling Motor Technology Shanghai Co Ltd
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Hiconics Eco Energy Technology Co ltd
Midea Welling Motor Technology Shanghai Co Ltd
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Priority to CN202320576438.9U priority Critical patent/CN219477265U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model provides a power distribution cabinet and an energy storage system, wherein the power distribution cabinet comprises: a cabinet body; an alternating current power distribution part which is arranged in the cabinet body; the direct current converging part is arranged in the cabinet body; the high-voltage boxes are arranged in the cabinet body, are arranged close to one side of the cabinet body, are stacked and distributed from the top of the cabinet body to the bottom of the cabinet body, and are positioned between the alternating current power distribution part and the high-voltage boxes; the copper bar assembly comprises a switching copper bar, and a plurality of high-voltage boxes are connected with the direct current converging part through the switching copper bar.

Description

Power distribution cabinet and energy storage system
Technical Field
The utility model relates to the technical field of power distribution equipment, in particular to a power distribution cabinet and an energy storage system.
Background
In the related art, in a container energy storage scheme of an energy storage system, a direct current cabinet, an alternating current power distribution cabinet and a high voltage cabinet are all independent and separated cabinets. The design occupies a large space of the container, so that the space utilization rate of the whole container is low, and meanwhile, each cabinet needs to be opened for troubleshooting during daily maintenance, so that the maintenance is inconvenient.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.
To this end, a first aspect of the utility model provides a power distribution cabinet.
The second aspect of the utility model also provides an energy storage system.
In view of this, a first aspect of the present utility model proposes a power distribution cabinet comprising: a cabinet body; an alternating current power distribution part which is arranged in the cabinet body; the direct current converging part is arranged in the cabinet body; the high-voltage boxes are arranged in the cabinet body, are arranged close to one side of the cabinet body, are stacked and distributed from the top of the cabinet body to the bottom of the cabinet body, and are positioned between the alternating current power distribution part and the high-voltage boxes; the copper bar assembly comprises a switching copper bar, and a plurality of high-voltage boxes are connected with the direct current converging part through the switching copper bar.
The power distribution cabinet provided by the utility model comprises a cabinet body, an alternating current power distribution part, a direct current converging part and a high-voltage box, wherein the alternating current power distribution part, the direct current converging part and the high-voltage box are all arranged in the cabinet body, so that when an energy storage system fails, only one device of the power distribution cabinet is required to be opened, and the efficiency of fault maintenance is improved. That is, the ac power distribution unit, the dc power collection unit, and the high-voltage tank are integrated in one cabinet, so that not only the maintenance efficiency is improved, but also the space utilization of the whole energy storage system is improved. In addition, a plurality of high-voltage boxes are close to one side setting of the cabinet body and are stacked and distributed from the top of the cabinet body to the bottom of the cabinet body, and the alternating current power distribution part and the direct current converging part are close to the other side of the cabinet body, so that the arrangement of the alternating current power distribution part, the direct current converging part and the high-voltage boxes is more compact. The high-voltage boxes are connected with the direct-current converging parts through the switching copper bars, so that the connection and maintenance of the high-voltage boxes and the direct-current converging parts are facilitated.
The power distribution cabinet provided by the utility model can also have the following additional technical characteristics:
in some possible designs, the cabinet includes: a frame; the first bracket is arranged in the frame, and the high-pressure box is arranged in the first bracket and is distributed from the top of the frame to the bottom wall of the frame; the second support is arranged in the frame, the second support and the first support are arranged at intervals, the alternating current power distribution part is arranged on the second support and is close to the bottom wall of the frame, and the direct current converging part is arranged between the first support and the second support.
In this design, the cabinet body includes frame, first support and second support, and first support and second support interval set up, with exchanging the power distribution portion setting on the second support for exchanging the power distribution portion and fixing in the frame through the second support, the high-voltage tank setting is on first support, and then the direct current portion that converges sets up between first support and second support, makes the high-voltage tank be convenient for be connected with direct current portion that converges, also makes exchanging the power distribution portion, the high-voltage tank and direct current portion that converges more compactly that distributes simultaneously.
In some possible designs, the cabinet further comprises: the first insulation plate is arranged on the first bracket; the second insulation board, second insulation board and first insulation board interval set up and surround out the cavity with first insulation board, and direct current converging portion is located the cavity.
In this design, the cabinet body still includes first insulation board and second insulation board, and first insulation board sets up on first support, and second insulation board sets up with first insulation board interval for first insulation board and second insulation board surround out insulating cavity, and then set up DC confluence portion in the cavity, promoted the security.
In some possible designs, the cabinet further comprises: and the third insulating plate is connected with the first insulating plate and the second insulating plate, wherein the cabinet body comprises an opening, and the third insulating plate is positioned on one side of the cavity close to the opening.
In this design, the cabinet body still includes the third insulation board, and the third insulation board is connected with first insulation board and second insulation board for the third insulation board encloses a safe space jointly with first insulation board, second insulation board, has promoted the security performance of switch board. Wherein, the cabinet body includes the opening, and the third insulation board is located the cavity and is close to the one side of opening for the third insulation board is towards operating personnel, guarantees that operating personnel can not lead to the electric shock because of the mistake touches after opening the cabinet body.
In some possible designs, the cabinet further comprises: and the first insulating plate is connected with the second insulating plate through the insulating connecting piece.
In this design, the cabinet body still includes insulating connecting piece, and insulating connecting piece sets up in one side of first insulating plate orientation second insulation board, and insulating connecting piece's the other end is connected with the second insulation board to fixed second insulation board, guarantee the reliability that direct current converges the space insulation that the portion is located.
In some possible designs, the dc bus includes: the total copper busbar is arranged in the cavity and connected with the first insulating plate through the first insulating column; the total positive copper bar of converging is located in the cavity, and total positive copper bar of converging passes through the second insulated column and is connected with first insulation board, and the high-pressure case is connected with total negative copper bar of converging, total positive copper bar of converging.
In this design, direct current converging portion is including total negative copper bar and total positive copper bar that converges, total negative copper bar and total positive copper bar that converges set up in the cavity, and total negative copper bar that converges is connected with first insulation board through first insulation column, realizes the fixed of total negative copper bar that converges. The total positive copper bar of converging is connected with first insulation board through the second insulating column, realizes the fixed of total positive copper bar of converging. The high-voltage box is connected with the total copper busbar of converging and the total copper busbar of converging.
In some possible designs, the copper bar assembly further comprises: the switching copper bars comprise first switching copper bars and second switching copper bars; the first switching copper bar is connected with the total copper bar; the first high-voltage copper bar is connected with the first transfer copper bar and the high-voltage box; the second switching copper bar is connected with the total copper bar of the confluence; the second high-voltage copper bar is connected with the second switching copper bar and the high-voltage box, wherein the cabinet body comprises an opening, the connection part of the first high-voltage copper bar and the first switching copper bar is close to the opening, and the connection part of the second switching copper bar and the second high-voltage copper bar is close to the opening.
In this design, the high-voltage box is connected with total positive copper bar that converges through first high-voltage copper bar and first switching copper bar, and wherein, the junction of first high-voltage copper bar and first switching copper bar is close to the opening setting, so, the operator of being convenient for operates the junction of first high-voltage copper bar and first switching copper bar, and then the maintenance of being convenient for. The high-voltage box is connected with the total negative copper bar of converging through second high-voltage copper bar and second switching copper bar, and wherein, the junction of second high-voltage copper bar and second switching copper bar is close to the opening setting of the cabinet body, so, the operator of being convenient for operates the junction of second high-voltage copper bar and second switching copper bar, and then is convenient for maintain.
In some possible designs, the power distribution cabinet further comprises: and the safety part is arranged on the second bracket and is connected with the total copper busbar and the total negative copper busbar.
In this design, the switch board still includes the insurance portion, and the insurance portion is connected with total positive copper bar of converging and total negative copper bar of converging.
In some possible designs, the fuse includes a disconnecting switch and a fuse, and the copper bar assembly further includes: the first isolation copper bar is connected with the isolation switch; the first fuse copper bar is connected with the first isolation copper bar and the fuse; the second fuse copper bar is connected with the total copper bar; the second isolation copper bar is connected with the isolation switch; and the third switching copper bar is connected with the second isolation copper bar and the total copper bar.
In this design, the safety portion includes an isolation switch and a fuse, and the copper bar assembly further includes a first isolation copper bar, a first fuse copper bar, a second isolation copper bar, and a third transfer copper bar. The first isolating copper bar and the first fuse copper bar are connected with the isolating switch and the fuse, the second fuse copper bar is connected with the bus total positive copper bar, and connection between the safety part and the bus total positive copper bar is realized; the second isolation copper bar is connected with the isolation switch, and the third transfer copper bar is connected with the second isolation copper bar and the total copper bar of converging, so that the isolation switch is connected with the total copper bar of converging.
According to a second aspect of the present utility model, there is also presented an energy storage system comprising: a battery cluster; and a power distribution cabinet as set forth in any one of the first aspects, wherein the battery cluster is located outside the power distribution cabinet and is disposed close to the high-voltage box.
The energy storage system provided by the second aspect of the utility model has all the beneficial effects of the power distribution cabinet because the energy storage system comprises the power distribution cabinet provided by any one of the technical schemes.
The energy storage system comprises a battery cluster, wherein the battery cluster is arranged on the outer side of the power distribution cabinet and is close to the high-voltage box, so that the high-voltage box is connected with the battery cluster in a wiring way.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 shows one of the schematic structural diagrams of a power distribution cabinet according to an embodiment of the present utility model;
FIG. 2 shows a second schematic block diagram of a power distribution cabinet according to one embodiment of the utility model;
FIG. 3 shows a schematic structural view of a cabinet according to an embodiment of the utility model;
FIG. 4 shows a third schematic structural view of a power distribution cabinet according to an embodiment of the utility model;
FIG. 5 shows a partial schematic diagram of the embodiment of FIG. 4;
FIG. 6 shows a fourth schematic structural diagram of a power distribution cabinet according to one embodiment of the utility model;
fig. 7 shows a partial schematic diagram of the embodiment of fig. 6.
The correspondence between the reference numerals and the component names in fig. 1 to 7 is:
1 cabinet, 10 frame, 11 first support, 110 first sub-support, 112 second sub-support, 12 second support, 13 first insulation board, 130 insulation connector, 132 first insulation column, 134 second insulation column, 14 second insulation board, 15 cavity, 16 third insulation board, 17 opening, 2 ac distribution portion, 3 dc bus portion, 302 bus total negative copper bar, 304 bus total positive copper bar, 30 transfer copper bar, 31 first transfer copper bar, 32 first high voltage copper bar, 33 second transfer copper bar, 34 second high voltage copper bar, 35 safety portion, 350 isolator, 352 fuse, 360 first isolation copper bar, 362 first fuse copper bar, 364 second fuse copper bar, 366 second isolation copper bar, 367 third transfer copper bar, 368 energy storage converter P-copper bar, 369 energy storage converter p+ copper bar, 37 copper bar assembly, 4 high voltage box, 5 control host, 6 video recorder, 7 terminal assembly, 8 uninterruptible power supply.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
Power distribution cabinets and energy storage systems according to some embodiments of the present utility model are described below with reference to fig. 1-7.
As shown in fig. 1, according to an embodiment of the present utility model, the present utility model proposes a power distribution cabinet, including: the cabinet body 1, the alternating current power distribution part 2, the direct current converging part 3, the high-voltage box 4 and the copper bar assembly 37. The alternating current power distribution part 2 is arranged in the cabinet body 1; the direct current converging part 3 is arranged in the cabinet body 1; the high-voltage box 4 is arranged in the cabinet body 1, one side of the plurality of high-voltage boxes 4 close to the cabinet body 1 is provided and distributed from the top of the cabinet body 1 to the bottom of the cabinet body 1 in a stacking manner, the copper bar assembly 37 comprises a switching copper bar 30, and the high-voltage boxes 4 are connected with the direct current converging portion 3 through the switching copper bar 30.
The power distribution cabinet provided by the utility model comprises a cabinet body 1, an alternating current power distribution part 2, a direct current converging part 3 and a high-voltage box 4, wherein the alternating current power distribution part 2, the direct current converging part 3 and the high-voltage box 4 are arranged in the cabinet body 1, so that when an energy storage system breaks down, only one device of the power distribution cabinet is required to be opened, and the efficiency of fault maintenance is improved. That is, the ac power distribution unit 2, the dc power distribution unit 3, and the high-voltage tank 4 are integrated in one cabinet 1, so that not only the maintenance efficiency can be improved, but also the space utilization of the entire energy storage system can be improved. In addition, a plurality of high-voltage boxes 4 are close to one side setting of the cabinet body 1 and by the top of the cabinet body 1 to the bottom stack distribution of the cabinet body 1, exchange distributing part 2 and direct current confluence part 3 are close to the opposite side of the cabinet body 1, and then make exchanging distributing part 2, direct current confluence part 3 and high-voltage box 4's the compacter of arranging. The high-voltage boxes 4 are connected with the direct-current converging portion 3 through the switching copper bars 30, so that the connection and maintenance of the high-voltage boxes 4 and the direct-current converging portion 3 are facilitated.
It will be appreciated that the power distribution cabinet comprises a door for opening or closing the cabinet 1. The alternating current power distribution part 2, the direct current converging part 3 and the high-voltage box 4 are integrated in one cabinet body 1, when faults occur, only the door body of the cabinet body 1 is required to be opened, so that the alternating current power distribution part 2, the direct current converging part 3 and the high-voltage box 4 are all displayed in front of the eyes of maintainers, and the door of each cabinet is not required to be opened respectively as in the related art, thereby the power distribution cabinet provided by the application is convenient to maintain, and the maintenance efficiency is improved.
As shown in fig. 3, according to one embodiment of the present application, the cabinet 1 includes: a frame 10, a first bracket 11 and a second bracket 12.
Specifically, the first bracket 11 is disposed in the frame 10, and the high-pressure tank 4 is disposed in the first bracket 11 and distributed from the top of the frame 10 to the bottom wall of the frame 10; the second bracket 12 is disposed in the frame 10, the second bracket 12 is disposed at a distance from the first bracket 11, the ac power distribution unit 2 is disposed near the bottom wall of the frame 10 and the dc power distribution unit 3 is disposed between the first bracket 11 and the second bracket 12.
In this embodiment, the cabinet body 1 includes a frame 10, a first bracket 11 and a second bracket 12, the first bracket 11 and the second bracket 12 are arranged at intervals, the ac power distribution portion 2 is arranged on the second bracket 12, so that the ac power distribution portion 2 is fixed in the frame 10 through the second bracket 12, the high-voltage box 4 is arranged on the first bracket 11, and then the dc bus portion 3 is arranged between the first bracket 11 and the second bracket 12, so that the high-voltage box 4 is convenient to be connected with the dc bus portion 3, and meanwhile, the ac power distribution portion 2, the high-voltage box 4 and the dc bus portion 3 are more compact in distribution.
In a specific application, the number of the high-pressure tanks 4 is plural, and the plural high-pressure tanks 4 are stacked in sequence along the height direction of the cabinet body 1. Further, a plurality of high-pressure tanks 4 are provided at one side of the cabinet 1.
In a specific application, the first bracket 11 comprises a first sub-bracket 110 and a second sub-bracket 112, wherein the first sub-bracket 110 is connected with the side wall of the frame body; the second sub-support 112 is connected with the frame body, the first sub-support 110 and the second sub-support 112 are arranged at intervals, and the high pressure tank 4 is arranged on the first sub-support 110 and the second sub-support 112.
Further, the first sub-rack 110 and the second sub-rack 112 respectively include opposite supporting members, and the power distribution cabinet is supported on the first sub-rack 110 and the second sub-rack 112 through the supporting members at two sides.
Further, the support comprises angle steel.
In a specific application, the number of high-pressure tanks 4 is 10.
As shown in fig. 3, according to one embodiment of the present application, the cabinet 1 further includes: a first insulating plate 13 and a second insulating plate 14. The first insulating plate 13 is arranged on the first bracket 11; the second insulating plate 14 and the first insulating plate 13 are arranged at intervals, and the second insulating plate and the first insulating plate 13 surround the cavity 15, and the direct current converging part 3 is positioned in the cavity 15.
In this embodiment, the cabinet body 1 further includes a first insulating plate 13 and a second insulating plate 14, the first insulating plate 13 is disposed on the first bracket 11, and the second insulating plate 14 is disposed at intervals with the first insulating plate 13, so that the first insulating plate 13 and the second insulating plate 14 surround an insulating cavity 15, and the direct current collector 3 is further disposed in the cavity 15, thereby improving safety.
Specifically, the cavity 15 is a direct current converging space.
In a specific application, the first bracket 11 and the second bracket 12 are distributed along the width direction of the cabinet 1, and the first insulating plate 13 and the second insulating plate 14 are distributed along the width direction of the cabinet 1.
It will be appreciated that the first insulating plate 13 and the second insulating plate 14 are of insulating material. Specifically, the first insulating plate 13 and the second insulating plate 14 include a rubber member, an acryl material, and the like.
As shown in fig. 1 and 2, according to one embodiment of the present application, the cabinet 1 further includes: and a third insulating plate 16. The third insulating plate 16 is connected with the first insulating plate 13 and the second insulating plate 14, wherein the cabinet 1 comprises an opening 17, and the third insulating plate 16 is located on one side of the cavity 15 close to the opening 17.
In this embodiment, the cabinet body 1 further includes a third insulating board 16, where the third insulating board 16 is connected with the first insulating board 13 and the second insulating board 14, so that a safe space is surrounded by the third insulating board 16, the first insulating board 13 and the second insulating board 14 together, which improves the safety performance of the power distribution cabinet. The cabinet body 1 includes an opening 17, and the third insulating board 16 is located at one side of the cavity 15 near the opening 17, so that the third insulating board 16 faces an operator, and it is ensured that the operator cannot get an electric shock due to false touch after opening the cabinet body 1.
It will be appreciated that the power distribution cabinet comprises a door body which is rotatably connected to the cabinet body 1 for opening or closing the opening 17. When the door body opens the opening 17, the third insulating plate 16 covers the cavity 15 to the operator side, and the operator does not erroneously touch the dc bus section 3 in the cavity 15.
In a particular application, the third insulating panel 16 comprises an acrylic insulating panel.
As shown in fig. 3, according to one embodiment of the present application, the cabinet 1 further includes: the insulating connector 130, the first insulating plate 13 and the second insulating plate 14 are connected through the insulating connector 130.
In this embodiment, the cabinet 1 further includes an insulating connector 130, where the insulating connector 130 is disposed on a side of the first insulating plate 13 facing the second insulating plate 14, and the other end of the insulating connector 130 is connected to the second insulating plate 14 to fix the second insulating plate 14, so as to ensure the reliability of insulation of the space where the direct current collector 3 is located.
In a specific application, the insulated connector 130 comprises an insulated post.
As shown in fig. 4, 5, 6, and 7, according to one embodiment of the present application, the direct current collector 3 includes: total negative busbar 302 and total positive busbar 304. The total-current-collecting negative copper bar 302 is arranged in the cavity 15, and the total-current-collecting negative copper bar 302 is connected with the first insulating plate 13 through the first insulating column 132; the total positive copper busbar 304 of converging is located in cavity 15, and total positive copper busbar 304 of converging is connected with first insulating plate 13 through second insulated column 134, and high-voltage tank 4 is connected with total negative copper busbar 302 of converging, total positive copper busbar 304 of converging.
In this embodiment, the direct current busbar portion 3 includes a busbar total negative copper bar 302 and a busbar total positive copper bar 304, the busbar total negative copper bar 302 and the busbar total positive copper bar 304 are disposed in the cavity 15, and the busbar total negative copper bar 302 is connected to the first insulating plate 13 through the first insulating column 132, so as to fix the busbar total negative copper bar 302. The total copper busbar 304 is connected with the first insulating plate 13 through the second insulating column 134, and the total copper busbar 304 is fixed. The high-voltage box 4 is connected with the total copper busbar 302 and the total copper busbar 304.
Further, the total positive bus bar 304 and the total negative bus bar 302 are disposed at intervals. Specifically, the total copper busbar 304 and the total negative copper busbar 302 are each 80×10×1200mm in size. Of course, the sizes of the total positive copper busbar 304 and the total negative copper busbar 302 may be set according to the actual situation.
Further, the first insulating columns 132, the second insulating columns 134 and the insulating connecting pieces 130 are multiple groups, and the multiple groups of the first insulating columns 132, the second insulating columns 134 and the insulating connecting pieces 130 are arranged at intervals along the height direction of the cabinet body 1, so as to improve the fixing effect of the second insulating plates 14, the total converging positive copper bars 304, the total converging negative copper bars 302 and the first insulating plate 13.
As shown in fig. 4 and 5, according to one embodiment of the present application, the copper bar assembly 37 further includes: the switching copper bar 30 comprises a first switching copper bar 31 and a second switching copper bar 33, and the first switching copper bar 31 is connected with the total converging copper bar 304; the first high-voltage copper bar 32 is connected with the first switching copper bar 31 and the high-voltage box 4; the second switching copper bar 33 is connected with the total copper bar 302; the second high-voltage copper bar 34 is connected with the second switching copper bar 33 and the high-voltage box 4, wherein the cabinet body 1 comprises an opening 17, the connection part of the first high-voltage copper bar 32 and the first switching copper bar 31 is close to the opening 17, and the connection part of the second switching copper bar 33 and the second high-voltage copper bar 34 is close to the opening 17.
In this embodiment, the high-voltage box 4 is connected with the total positive copper bar 304 of the busbar through the first high-voltage copper bar 32 and the first transfer copper bar 31, wherein the connection part of the first high-voltage copper bar 32 and the first transfer copper bar 31 is arranged close to the opening 17, so that an operator can operate the connection part of the first high-voltage copper bar 32 and the first transfer copper bar 31 conveniently, and maintenance is facilitated. The high-voltage box 4 is connected with the total negative copper bar 302 of converging through the second high-voltage copper bar 34 and the second switching copper bar 33, wherein the junction of the second high-voltage copper bar 34 and the second switching copper bar 33 is close to the opening 17 of the cabinet body 1, so that an operator can operate the junction of the second high-voltage copper bar 34 and the second switching copper bar 33 conveniently, and maintenance is facilitated.
It is understood that the first high voltage copper bar 32 is a p+ switching copper bar of the high voltage tank 4, that is, the first high voltage copper bar 32 is connected to the positive electrode of the high voltage tank 4. The second high-voltage copper bar 34 is a P-switching copper bar of the high-voltage tank 4, that is, the second high-voltage copper bar 34 is connected with the negative electrode of the high-voltage tank 4.
In a specific application, one end of the first switching copper bar 31 is connected with the total copper bar 304 of the busbar, the other end extends towards the direction of the opening 17 and protrudes towards the direction of the opening 17 to the edge of the total copper bar 304 of the busbar, and further, through holes are respectively formed in the first switching copper bar 31 and the first high-voltage copper bar 32, and the through holes of the first switching copper bar 31 and the first high-voltage copper bar are correspondingly arranged and connected through a connecting piece. Wherein, the through hole is arranged corresponding to the opening 17, so that the operation end of the connecting piece faces to the opening 17, thereby being convenient for the maintenance of operators.
Correspondingly, one end of the second switching copper bar 33 is connected with the total copper bar 302 of converging, and the other end extends to the direction of the opening 17 and protrudes out of the edge of the total copper bar 302 of converging to the direction of the opening 17, further, through holes are respectively formed in the second switching copper bar 33 and the second high-voltage copper bar 34, the through holes of the second switching copper bar 33 and the second high-voltage copper bar are correspondingly arranged and are connected through the connecting piece, wherein the through holes are correspondingly arranged corresponding to the opening 17, so that the operation end of the connecting piece faces the opening 17, and the maintenance of an operator is facilitated.
As shown in fig. 2, 6 and 7, according to one embodiment of the present application, the power distribution cabinet further includes: the safety part 35, the safety part 35 is arranged on the second bracket 12, and the safety part 35 is connected with the total copper busbar 304 and the total negative copper busbar 302.
In this embodiment, the power distribution cabinet further includes a safety portion 35, and the safety portion 35 is connected to the total positive bus bar 304 and the total negative bus bar 302.
In a specific application, the safety portion 35 is provided on the second bracket 12.
As shown in fig. 7, the safety portion 35 includes a disconnecting switch 350 and a fuse 352, and the copper bar assembly 37 further includes: a first isolation copper bar 360 connected to the isolation switch 350; a first fuse copper bar 362 connected to the first isolation copper bar 360 and the fuse 352; the second fuse copper bar 364 is connected with the bus total positive copper bar 304; a second isolated copper bar 366 connected to the isolation switch 350; the third transfer copper bar 367 is connected to the second isolation copper bar 366 and the bussing total negative copper bar 302.
In this embodiment, the fuse portion 35 includes a disconnecting switch 350 and a fuse 352, and the copper bar assembly 37 further includes a first isolating copper bar 360, a first fuse copper bar 362, a second fuse copper bar 364, a second isolating copper bar 366, and a third switching copper bar 367. The first isolating copper bar 360 and the first fuse copper bar 362 are connected with the isolating switch 350 and the fuse 352, and the second fuse copper bar 364 is connected with the bus total positive copper bar 304, so that the connection between the safety part 35 and the bus total positive copper bar 304 is realized; the second isolation copper bar 366 is connected with the isolation switch 350, and the third transfer copper bar 367 is connected with the second isolation copper bar 366 and the total bus copper bar 302 to realize connection of the isolation switch 350 and the total bus copper bar 302.
In a specific application, the second fuse copper bar 364 extends from the fuse 352 toward the side of the opening 17 of the cabinet 1 to the bus bar 304, and connects with the bus bar 304. The first fuse copper bar 362, the first isolation copper bar 360, and the second isolation copper bar 366 are located on the side of the isolation switch 350 and the fuse 352 facing away from the opening 17 of the cabinet 1. The third switching copper bar 367 extends from one end of the second isolation copper bar 366 to the total busbar 302, so as to connect with the total busbar 302.
Specifically, the connection between the third switching copper bar 367 and the second isolation copper bar 366 is exposed in the cavity 15 for maintenance.
Further, the isolating switch 350 is further provided with a copper bar connected to the positive electrode of the energy storage converter and a copper bar connected to the negative electrode of the energy storage converter.
According to a second aspect of the present utility model, there is also presented an energy storage system comprising: a battery cluster; and a power distribution cabinet as set forth in any one of the first aspects, wherein the battery clusters are located outside the power distribution cabinet and are located close to the high-voltage box 4.
The energy storage system provided by the second aspect of the utility model has all the beneficial effects of the power distribution cabinet because the energy storage system comprises the power distribution cabinet provided by any embodiment.
The energy storage system comprises a battery cluster, wherein the battery cluster is arranged on the outer side of the power distribution cabinet and is close to the high-voltage box 4, so that the high-voltage box 4 is connected with the battery cluster in a wiring way.
In the specific application, in this application, overall arrangement 10 high-voltage box 4 on the right of cabinet body 1, direct current conflux design is carried out in direct current conflux space (cavity 15 part) in the middle of the cabinet body 1, and the left side below of cabinet body 1 carries out exchanging distribution design, and the left side top overall arrangement of cabinet body 1 is other large-scale devices. Through layout design, integrate together, reduce the space that occupies the container.
As shown in fig. 1 to 7, the power distribution cabinet is an ac/dc integrated cabinet, and mainly includes: cabinet 1, video recorder 6, uninterrupted power source 8 (Uninterruptible Power Supply, UPS), intelligent control host 5, fuse 352, isolator 350, exchanging power distribution part 2, binding post assembly 7, ya keli insulating panel, high-voltage box 4. The cabinet 1 mainly comprises: the first sub-mount 110, the second sub-mount 112, the first insulating column 132, the second insulating column 134, the insulating connector 130, the first insulating plate 13, the second insulating plate 14, the second mount 12, the direct current collecting space (the cavity 15).
The busbar connection copper bar includes: total positive bus bar 304, total negative bus bar 302, p+ transfer copper bar of high voltage tank 4 (i.e., first transfer copper bar 31), P-transfer copper bar of high voltage tank 4 (i.e., second transfer copper bar 33), high voltage tank 4p+ copper bar (i.e., first high voltage copper bar 32), high voltage tank 4P-copper bar (i.e., second high voltage copper bar 34), first fuse copper bar 362, second fuse copper bar 364, first isolation copper bar 360, second isolation copper bar 366, third transfer copper bar 367, P-copper bar 368 of energy storage converter, p+ copper bar 369 of energy storage converter.
Specifically, the first insulating plate 13 is fixed on the second sub-bracket 112 of the first bracket 11, and then a plurality of groups of first insulating columns 132, second insulating columns 134 and insulating connectors 130 are assembled on the first insulating plate 13, wherein the first insulating columns 132 are used for supporting the fixed total bus copper bar 302, the second insulating columns 134 are used for supporting the fixed total bus copper bar 304, and the total bus copper bar 304/total bus copper bar 302 has the following dimensions: the insulating connector 130 is used for supporting and fixing the second insulating plate 14 by 80×10×1200mm. Thus, the DC converging space forms a safe insulating isolation space.
The connection mode of the high-voltage box 4 and the total copper busbar 304/the total negative copper busbar 302 is as follows: the high-voltage box 4P+ switching copper bars are sequentially fixed on the total converging copper bars 304, and then the high-voltage box 4 and the high-voltage box 4P+ switching copper bars are connected together by using the high-voltage box 4P+ copper bars, so that the switching copper bars are needed to be made in the middle, and the purpose of facilitating the maintenance and installation of the high-voltage box 4 in the later stage is achieved. And the P-switching copper bar of the high-voltage box 4 and the P-copper bar of the high-voltage box 4 are sequentially installed in the same way.
Finally, the other copper bars on the isolating switch 350 and the fuse 352 are respectively a second fuse copper bar 364, a first fuse copper bar 362, a first isolating copper bar 360, a third switching copper bar 367, a second isolating copper bar 366, a P-copper bar of the energy storage converter (Power Conversion System, PCS) and a P+ copper bar of the PCS.
After the direct current bus copper bar is installed, the acrylic insulating panel is assembled again, so that personnel can not contact by mistake to cause electric shock after the door body is opened.
Because the direct-current cabinet, the alternating-current power distribution cabinet and the high-voltage box 4 are integrated together, if a place needing electric maintenance is arranged at the later stage, only one door body is required to be opened, and the fault detection and overhaul efficiency is very high; compared with the conventional single cabinet body 1 scheme, the scheme integrates the direct current converging part 3, the alternating current power distribution part 2 and the high-voltage box 4, so that the space utilization rate of the container is greatly improved, and the structural cost of the cabinet is reduced;
specifically, in this application, the switch board is put on the leftmost of container, and the battery cluster is put on the right side, so in the structural layout of switch board. The high-voltage box 4 is arranged on the right side of the cabinet body 1, and is used for facilitating connection with the battery clusters.
If the switch board is put on the rightmost side of container, then the high-voltage box 4 position in this application just carries out corresponding change, put in the left side of switch board can.
In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 (10)

1. A power distribution cabinet, comprising:
a cabinet body;
an alternating current power distribution part which is arranged in the cabinet body;
the direct current converging part is arranged in the cabinet body;
the high-voltage boxes are arranged in the cabinet body, one side, close to the cabinet body, of each high-voltage box is stacked and distributed from the top of the cabinet body to the bottom of the cabinet body, and the direct current converging part is positioned between the alternating current power distribution part and the high-voltage boxes;
the copper bar assembly comprises a transfer copper bar, and a plurality of high-voltage boxes are connected with the direct current converging part through the transfer copper bar.
2. The power distribution cabinet of claim 1, wherein the cabinet body comprises:
a frame;
the first bracket is arranged in the frame, and the high-pressure box is arranged in the first bracket and is distributed from the top of the frame to the bottom wall of the frame;
the second support is arranged in the frame, the second support and the first support are arranged at intervals, the alternating current power distribution part is arranged on the second support and is close to the bottom wall of the frame, and the direct current converging part is arranged between the first support and the second support.
3. The power distribution cabinet of claim 2, wherein the cabinet further comprises:
the first insulation plate is arranged on the first bracket;
the second insulating plate is arranged at intervals with the first insulating plate and surrounds the cavity with the first insulating plate, and the direct current converging part is positioned in the cavity.
4. A power distribution cabinet according to claim 3, wherein the cabinet further comprises:
a third insulating plate connected to the first insulating plate and the second insulating plate,
the cabinet body comprises an opening, and the third insulating plate is positioned on one side of the cavity close to the opening.
5. A power distribution cabinet according to claim 3, wherein the cabinet further comprises:
and the first insulating plate is connected with the second insulating plate through the insulating connecting piece.
6. A power distribution cabinet according to claim 3, wherein the direct current collector comprises:
the total copper busbar is arranged in the cavity and is connected with the first insulating plate through a first insulating column;
the total positive copper bar of converging is located in the cavity, total positive copper bar of converging pass through the second insulated column with first insulation board is connected, the high-voltage box with total negative copper bar of converging the total positive copper bar of converging is connected.
7. The power distribution cabinet of claim 6, wherein the copper bar assembly further comprises: the switching copper bars comprise first switching copper bars and second switching copper bars;
the first switching copper bar is connected with the total positive copper bar of the confluence, the first high-voltage copper bar is connected with the first switching copper bar and the high-voltage box, the second switching copper bar is connected with the total negative copper bar of the confluence, the second high-voltage copper bar is connected with the second switching copper bar and the high-voltage box,
the cabinet body comprises an opening, the connection part of the first high-voltage copper bar and the first switching copper bar is close to the opening, and the connection part of the second switching copper bar and the second high-voltage copper bar is close to the opening.
8. The power distribution cabinet of claim 6, further comprising
And the safety part is arranged on the second bracket and is connected with the total conflux positive copper bar and the total conflux negative copper bar.
9. The power distribution cabinet of claim 8, wherein the safety portion comprises a disconnecting switch and a fuse, the copper bar assembly further comprising:
the first isolation copper bar is connected with the isolation switch;
the first fuse copper bar is connected with the first isolation copper bar and the fuse;
the second fuse copper bar is connected with the total copper bar;
the second isolation copper bar is connected with the isolation switch;
and the third switching copper bar is connected with the second isolation copper bar and the total busbar.
10. An energy storage system, comprising:
a battery cluster; and
a power distribution cabinet according to any one of claims 1 to 9, the battery cluster being located outside the power distribution cabinet and located close to the high voltage cabinet.
CN202320576438.9U 2023-03-22 2023-03-22 Power distribution cabinet and energy storage system Active CN219477265U (en)

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Application Number Priority Date Filing Date Title
CN202320576438.9U CN219477265U (en) 2023-03-22 2023-03-22 Power distribution cabinet and energy storage system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320576438.9U CN219477265U (en) 2023-03-22 2023-03-22 Power distribution cabinet and energy storage system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117578215A (en) * 2023-12-13 2024-02-20 南通国轩新能源科技有限公司 Energy storage control cabinet comprising converging, controlling and power distribution units

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117578215A (en) * 2023-12-13 2024-02-20 南通国轩新能源科技有限公司 Energy storage control cabinet comprising converging, controlling and power distribution units
CN117578215B (en) * 2023-12-13 2024-04-30 南通国轩新能源科技有限公司 Energy storage control cabinet comprising converging, controlling and power distribution units

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