CN219740023U

CN219740023U - Control integrated cabinet and container type energy storage system comprising same

Info

Publication number: CN219740023U
Application number: CN202321373193.6U
Authority: CN
Inventors: 糜佳诚; 刘建波; 卓威; 袁培恒
Original assignee: Wuhan Eve Energy Storage Co ltd
Current assignee: Wuhan Eve Energy Storage Co ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-09-22
Anticipated expiration: 2033-05-29

Abstract

The utility model discloses a control integrated cabinet and a container type energy storage system comprising the same. According to the control integrated cabinet, the electric devices of the high-voltage box and the confluence cabinet are integrated in the cabinet body in a vertically arranged mode, so that the control integrated cabinet has the dual functions of the high-voltage box and the confluence cabinet, on one hand, compared with the prior art that the high-voltage box and the confluence cabinet are arranged separately, the control integrated cabinet is small in occupied area, more ground space can be reserved for placing batteries, and the overall space utilization rate is improved; on the other hand, the arrangement of each electric device of the control integrated cabinet is very simple and compact, the use of connecting wire harnesses and connectors can be reduced, the shell of a high-voltage box can be omitted, the production cost is reduced, importantly, the low-voltage devices and the high-voltage devices of the high-voltage box and the bus cabinet are arranged in the upper cavity and the lower cavity of the cabinet body in a separated mode, and the purposes of reducing risks and communication interference are achieved.

Description

Control integrated cabinet and container type energy storage system comprising same

Technical Field

The utility model relates to the technical field of batteries, in particular to a control integrated cabinet and a container type energy storage system comprising the same.

Background

The container type energy storage system generally comprises a battery system, a high-voltage box and a bus cabinet, wherein most of the existing battery systems are generally formed by connecting a plurality of battery packs in series to form a battery cluster, and then connecting a plurality of battery clusters in series and/or in parallel to form a battery pack, wherein each battery cluster needs to be managed and controlled by the high-voltage box, and the battery pack also needs to be managed and controlled by the bus cabinet as a whole; the high-voltage box and the bus-bar cabinet are separated in this way and provided with the following defects:

1. the arrangement of the high-voltage box and the confluence cabinet respectively needs to occupy a certain ground space, which may affect the arrangement area of the battery system, and the overall space utilization rate is low; 2. each device of high-voltage box and conflux cabinet is arranged comparatively complicated, need to use more connection pencil and connector between high-voltage box and the conflux cabinet, has increased the cost to each device appears the problem of mutual interference easily.

Disclosure of Invention

In order to overcome at least one defect in the prior art, the utility model provides a control integrated cabinet and a container type energy storage system comprising the control integrated cabinet, and aims to solve the problems that a high-voltage container and a confluence cabinet of the existing container type energy storage system have large occupied area and complicated arrangement of devices.

The utility model adopts the technical proposal for solving the problems that:

a control integrated cabinet for power distribution of an energy storage system, comprising: the cabinet body is divided into a first assembly cavity and a second assembly cavity from top to bottom; the control assembly is used for managing and controlling a battery cluster formed by connecting a plurality of battery packs and a battery pack formed by connecting a plurality of battery clusters, and comprises a low-voltage device and a high-voltage device; the low-voltage device is arranged in the first assembly cavity, the high-voltage device is arranged in the second assembly cavity, or the high-voltage device is arranged in the first assembly cavity, and the low-voltage device is arranged in the second assembly cavity.

According to the control integrated cabinet provided by the utility model, the electric devices of the high-voltage box and the confluence cabinet are integrated in the cabinet body in a vertically arranged mode, the control integrated cabinet has the dual functions of the high-voltage box and the confluence cabinet, on one hand, compared with the case that the high-voltage box and the confluence cabinet are arranged separately in the prior art, the control integrated cabinet has smaller occupied area, more ground space can be reserved for placing batteries, the overall space utilization rate is improved, and compared with the case that the cavity of the cabinet body is divided left and right, the placement of the electric devices is more facilitated; on the other hand, the arrangement of each electric device of the control integrated cabinet is very simple and compact, the use of connecting wire harnesses and connectors can be reduced, the shell of a high-voltage box can be omitted, the production cost is reduced, importantly, the low-voltage devices and the high-voltage devices of the high-voltage box and the bus cabinet are arranged in the upper cavity and the lower cavity of the cabinet body in a separated mode, and the purposes of reducing risks and communication interference are achieved.

According to some embodiments of the utility model, the control integration cabinet further comprises a mounting plate provided in the cabinet body to divide the cavity of the cabinet body into the first assembly cavity and the second assembly cavity.

According to some embodiments of the utility model, the mounting plate is provided with a plurality of mounting plates, and the plurality of mounting plates are arranged up and down in the cavity of the cabinet body; the second assembly cavity is internally provided with the mounting plate, the second assembly cavity is divided into at least two first subchambers up and down by the mounting plate, and/or the first assembly cavity is internally provided with the mounting plate, and the first assembly cavity is divided into at least two second subchambers up and down by the mounting plate.

According to some embodiments of the utility model, at least part of the low voltage devices and the high voltage devices are mounted on the corresponding mounting plates.

According to some embodiments of the utility model, at least one of the mounting plates is drawably disposed in the cavity of the cabinet.

According to some embodiments of the utility model, the control integrated cabinet further comprises a fan, wherein the fan is arranged on the cabinet body, and the cabinet body is provided with an air inlet and an air outlet.

According to some embodiments of the utility model, the high-voltage device is arranged in the second assembly cavity, the air inlet is arranged in the cavity wall of the second assembly cavity, and the air outlet is arranged in the cavity wall of the first assembly cavity.

According to some embodiments of the utility model, the high-voltage device is arranged in the first assembly cavity, the air inlet is arranged in the cavity wall of the first assembly cavity, and the air outlet is arranged in the cavity wall of the second assembly cavity.

According to some embodiments of the utility model, the high voltage device comprises an insulating column, a cable, a copper bar, a relay, a fuse, and a circuit breaker.

According to some embodiments of the utility model, the low voltage device includes a power module, a control module, and a connection terminal.

In addition, the utility model also provides a container type energy storage system which comprises a battery pack and the control integrated cabinet, wherein the battery pack is formed by connecting a plurality of battery clusters, and the battery clusters are formed by connecting a plurality of battery packs.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present utility model;

fig. 2 is a schematic structural diagram of an interior of an embodiment of the present utility model.

Wherein the reference numerals have the following meanings:

the intelligent cabinet temperature control system comprises a 1-cabinet body, a 11-first assembly cavity, a 12-second assembly cavity, a 13-air inlet, a 14-air outlet, a 15-wiring groove, a 2-control component, a 21-low-voltage device, a 211-power module, a 212-control module, a 213-wiring terminal, a 22-high-voltage device, a 221-insulation column, a 222-cable, a 223-first copper bar, a 224-positive input relay, a 225-second copper bar, a 226-output relay, a 227-fuse, a 228-pre-charging relay, a 229-MSD manual maintenance switch, a 230-circuit breaker, a 231-negative input relay, a 232-circulation relay, a 3-mounting plate, a 4-fan, a 5-output cable, a 6-input cable, a 7-indicator lamp and an 8-display screen.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present 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. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The utility model is described in further detail below with reference to the accompanying drawings.

Example 1

Referring to fig. 1 and 2, the utility model discloses a control integrated cabinet, which is applied to power distribution of a container type energy storage system, and comprises a cabinet body 1 and a control component 2; the control assembly 2 is equivalent to the integration of a collecting cabinet and a plurality of high-voltage boxes of a container type energy storage system in the prior art, namely, the control assembly comprises functions of collecting, detecting, controlling and the like of the high-voltage boxes, and also comprises functions of collecting, breaking, protecting and the like of the collecting cabinet, and particularly, the control assembly 2 is used for managing and controlling a battery cluster formed by connecting a plurality of battery packs in series and is used for managing and controlling a battery pack formed by connecting a plurality of battery clusters in series and/or in parallel. Further, the cavity of the cabinet body 1 is divided into a first assembling cavity 11 and a second assembling cavity 12 up and down, wherein the low-voltage devices 21 are arranged in the first assembling cavity 11, and the high-voltage devices 22 are arranged in the second assembling cavity 12.

Therefore, by adopting the scheme, the electric devices of the high-voltage box and the confluence cabinet are integrated in the cabinet body 1 in a vertically arranged mode, and the control integrated cabinet has the dual functions of the high-voltage box and the confluence cabinet, on one hand, compared with the prior art that the high-voltage box and the confluence cabinet are arranged separately, the control integrated cabinet has smaller occupied area, can give up more ground space for placing batteries, and improves the utilization rate of the whole space; on the other hand, the arrangement of all electric devices of the control integrated cabinet is very simple and compact, the use of connecting wire harnesses and connectors can be reduced, the shell of a high-voltage box can be omitted, the production cost is reduced, importantly, the low-voltage devices 21 and 22 of the high-voltage box and the bus cabinet are arranged in the upper cavity and the lower cavity of the cabinet body 1 separately, and the high-voltage and low-voltage devices are arranged separately, so that the purposes of reducing risks and communication interference are achieved.

It should be noted that, in some other embodiments, the cavity of the cabinet 1 may be divided into a first assembly cavity 11 and a second assembly cavity 12; however, since the space inside the container type energy storage system is relatively tight, the cabinet 1 is generally designed in a shape having a relatively small length and width and a relatively high height, and if the cavity of the cabinet 1 is divided into the first assembly cavity 11 and the second assembly cavity 12 from side to side, the first assembly cavity 11 and the second assembly cavity 12 may be narrow, thereby restricting placement of various electric devices. Therefore, it is more advantageous to arrange the electric devices in that the cavity of the cabinet 1 is partitioned up and down into the first fitting cavity 11 and the second fitting cavity 12 than the cavity of the cabinet 1 is partitioned left and right into the first fitting cavity 11 and the second fitting cavity 12.

Preferably, in this embodiment, the control integrated cabinet further includes a mounting plate 3, where the mounting plate 3 is disposed in the cabinet body 1 to divide the cavity of the cabinet body 1 into a first assembly cavity 11 and a second assembly cavity 12, and the mounting plate 3 is configured to separate the device in the first assembly cavity 11 from the device in the second assembly cavity 12, so that the device in the first assembly cavity 11 and the device in the second assembly cavity 12 do not affect each other after failure.

Further, in this embodiment, the mounting plates 3 are provided in a plurality, and the plurality of mounting plates 3 are arranged in the cavity of the cabinet body 1 up and down; the second assembly cavity 12 is internally provided with the mounting plate 3, the second assembly cavity 12 is divided into at least two first subchambers up and down by the mounting plate 3, and the arrangement is that various devices of the high-voltage device 22 can be correspondingly arranged in the at least two first subchambers so as to further realize isolation and modularization of the various devices.

It should be noted that, in some other embodiments, the mounting board 3 is also disposed in the first assembly cavity 11, and the first assembly cavity 11 is divided into at least two second subchambers by the mounting board 3, so that various devices of the low-voltage device 21 can be correspondingly installed in the at least two second subchambers, so as to further realize isolation and modularization of the various devices.

Specifically, in the present embodiment, the plurality of mounting plates 3 includes a first mounting plate 31 and a second mounting plate 32; the first mounting plate 31 is located in the cavity of the cabinet 1 to divide the cavity of the cabinet 1 up and down into the first assembly cavity 11 and the second assembly cavity 12 described above, and the second mounting plate 32 is located in the second assembly cavity 12 to divide the second assembly cavity 12 up and down into at least two first sub-cavities described above.

It should be noted that, in some other embodiments, the plurality of mounting plates 3 includes a first mounting plate 31 and a third mounting plate (not shown), the first mounting plate 31 is located in the cavity of the cabinet 1 to divide the cavity of the cabinet 1 into the first assembling cavity 11 and the second assembling cavity 12, and the third mounting plate is located in the first assembling cavity 11 to divide the first assembling cavity 11 into at least two second sub-cavities.

It should be noted that, in some other embodiments, the plurality of mounting plates 3 includes a first mounting plate 31, a second mounting plate 32, and a third mounting plate, where the first mounting plate 31 is located in the cavity of the cabinet 1 to divide the cavity of the cabinet 1 into the first assembling cavity 11 and the second assembling cavity 12, the second mounting plate 32 is located in the second assembling cavity 12 to divide the second assembling cavity 12 into at least two first sub-cavities, and the third mounting plate is located in the first assembling cavity 11 to divide the first assembling cavity 11 into at least two second sub-cavities.

Further, in this embodiment, the plurality of mounting plates 3 are all drawably disposed in the cavity of the cabinet body 1, and at least part of the low-voltage devices 21 and the high-voltage devices 22 are mounted on the corresponding mounting plates 3, so that the mounting plates 3 can play a supporting role and a positioning role on various devices, and the various devices can be mounted in a drawer type through the drawable mounting plates 3, so that the assembly of the various devices is more convenient and the probability of on-site mounting errors can be reduced.

It should be noted that, in some other embodiments, a portion of the mounting plate 3 may be fixedly disposed in the cavity of the cabinet body 1, and a portion of the mounting plate 3 may be drawably disposed in the cavity of the cabinet body 1, which may be selected according to actual requirements.

Specifically, in the present embodiment, the high-voltage device 22 includes an insulating column 221, a cable 222, a first copper bar 223, a positive input relay 224, a second copper bar 225, an output relay 226, a fuse 227, a precharge relay 228, an MSD manual maintenance switch 229, a circuit breaker 230, a negative input relay circuit breaker 231, and a circulation relay 232, which are arranged in this order from bottom to top, and the low-voltage device 21 includes a power module 211, a control module 212, and a connection terminal 213.

More specifically, in the present embodiment, a plurality of insulation columns 221, cables 222 and first copper bars 223 are mounted on one of the second mounting plates 32; a plurality of positive input relays 224 and second copper bars 225 are mounted on the other second mounting plate 32; a plurality of output relays 226 and fuses 227 are mounted on the further second mounting plate 32; a plurality of negative input relays 231 are mounted on the second mounting plate 32; a plurality of loop relays 232 are mounted on the second mounting plate 32; a number of pre-charge relays 228, MSD manual service switches 229, and circuit breakers 230 are located in a first subchamber formed between the two second mounting plates 32. The power module 211 and the control module 212 are both mounted on a first mounting board 31, the connection terminal 213 is located above the power module 211 and the control module 212, and a wiring groove 15 is formed in a part of the cavity between the connection terminal 213 and the control module 212.

Further, in this embodiment, the control integrated cabinet further includes a fan 4, the fan 4 is disposed on the cabinet body 1, the cabinet body 1 is provided with an air inlet 13 and an air outlet 14, and under the action of the fan 4, air flows in from the air inlet 13 and then flows out from the air outlet 14 to take away heat generated by operation of each device in the cabinet body 1.

Preferably, in the present embodiment, since the high-voltage device 22 is located in the second assembly chamber 12, and since the heat generated by the high-voltage device 22 during operation is higher than that generated by the low-voltage device 21 during operation, in order to improve the heat dissipation effect and heat dissipation efficiency of the high-voltage device 22 in the second assembly chamber 12, the air inlet 13 is provided on the chamber wall of the second assembly chamber 12, and the air outlet 14 is provided on the chamber wall of the first assembly chamber 11, so as to ensure that the temperature of the air flow flowing into the second assembly chamber 12 is in a lower temperature range, thereby enabling the air flow to take away the heat of the high-voltage device 22 more sufficiently and efficiently.

Specifically, in this embodiment, the outer side wall of the cabinet body 1 is further provided with an indicator lamp 7 and a display screen 8, and the lower portion of the cabinet body 1 is further provided with an output cable 5 and an input cable 6.

In addition, the utility model also provides a container type energy storage system which comprises a battery pack and the control integrated cabinet, wherein the battery pack is formed by connecting a plurality of battery clusters in series and/or in parallel, and the battery clusters are formed by connecting a plurality of battery packs in series. Because the electric devices of the high-voltage box and the conflux cabinet are integrated in the cabinet body 1 in an up-down arrangement mode, the control component 2 of the control integrated cabinet can be used for managing and controlling battery clusters formed by connecting a plurality of battery packs and can be used for managing and controlling battery packs formed by connecting a plurality of battery clusters, the occupied area of the control integrated cabinet is smaller, and the container type energy storage system can have more ground spaces capable of being used for placing batteries, so that the system has the advantages of high space utilization rate, high energy density and the like, and the overall working stability and safety of the container type energy storage system are improved due to higher working stability and safety of the control integrated cabinet.

Specifically, in the present embodiment, the number of battery clusters is 8 clusters, and the numbers of the insulating columns 221, the cables 222, the first copper bars 223, the positive input relays 224, the second copper bars 225, the negative input relay breakers, 231, and the loop relays are also 8 correspondingly, respectively.

Indeed, in some other embodiments, the number of battery clusters may be, but not limited to, 5 clusters or 6 clusters or 7 clusters or 9 clusters, etc., and the number of insulating columns 221, cables 222, first copper bars 223, positive input relays 224, second copper bars 225, negative input relay breakers, 231, and circulation relays may be equal to the number of battery clusters, respectively.

Example two

The difference between this embodiment and the first embodiment is that: the high-voltage device 22 is arranged in the first assembly cavity 11, and the low-voltage device 21 is arranged in the second assembly cavity 12; the first assembly chamber 11 is provided with a third mounting plate (not shown), the first assembly chamber 11 is divided into at least two second subchambers up and down by the third mounting plate, and at least part of the high-voltage devices 22 are arranged on the third mounting plate; the air inlet 13 is arranged on the cavity wall of the first assembly cavity 11, and the air outlet 14 is arranged on the cavity wall of the second assembly cavity 12.

In summary, the control integrated cabinet and the container type energy storage system comprising the control integrated cabinet disclosed by the utility model have the following beneficial technical effects:

1) The control integrated cabinet has smaller occupied area, can give more ground space for placing batteries, and is more beneficial to arranging various electric devices by separating the cavity of the cabinet body 1 into a first assembly cavity 11 and a second assembly cavity 12 up and down;

2) The arrangement of all the electric devices of the control integrated cabinet is very simple and compact, the use of connecting wire harnesses and connectors can be reduced, the shell of a high-voltage box can be omitted, and the production cost is reduced;

3) The low-voltage device 21 and the high-voltage device 22 of the high-voltage box and the confluence cabinet are arranged in the upper cavity and the lower cavity of the cabinet body 1 separately, so that risks and communication interference are reduced;

4) The mounting plate 3 is arranged to separate the device in the first assembly cavity 11 from the device in the second assembly cavity 12 so that the device in the first assembly cavity 11 and the device in the second assembly cavity 12 are not affected after failure;

5) The mounting plate 3 can play a supporting role and a positioning role on various devices, and the various devices can be mounted in a drawer mode through the mounting plate 3 which can be pulled out, so that the various devices can be assembled more conveniently, and the probability of on-site mounting errors can be reduced;

6) The position of the air inlet 13 corresponds to the cavity accommodating the high-voltage device 22, so as to ensure that the temperature of the air flow flowing into the cavity is in a lower temperature range, and thus the air flow can sufficiently and efficiently carry away the heat of the high-voltage device 22.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. Control integrated cabinet is applied to energy storage system's distribution, its characterized in that includes:

the cabinet comprises a cabinet body (1), wherein the cavity of the cabinet body (1) is divided into a first assembly cavity (11) and a second assembly cavity (12) from top to bottom;

a control assembly (2) for managing and controlling a battery cluster formed by connecting a plurality of battery packs and for managing and controlling a battery pack formed by connecting a plurality of battery clusters, the control assembly (2) comprising a low-voltage device (21) and a high-voltage device (22);

the low-voltage device (21) is arranged in the first assembly cavity (11), the high-voltage device (22) is arranged in the second assembly cavity (12), or the high-voltage device (22) is arranged in the first assembly cavity (11), and the low-voltage device (21) is arranged in the second assembly cavity (12).

2. The control integration cabinet according to claim 1, further comprising a mounting plate (3), the mounting plate (3) being arranged in the cabinet body (1) to divide the cavity of the cabinet body (1) into the first assembly cavity (11) and the second assembly cavity (12).

3. The control integrated cabinet according to claim 2, wherein the mounting plates (3) are provided in a plurality, and the plurality of mounting plates (3) are arranged in a vertical arrangement in the cavity of the cabinet body (1); the second assembly cavity (12) is internally provided with the mounting plate (3), the second assembly cavity (12) is divided into at least two first subchambers from top to bottom by the mounting plate (3), and/or the first assembly cavity (11) is internally provided with the mounting plate (3), and the first assembly cavity (11) is divided into at least two second subchambers from top to bottom by the mounting plate (3).

4. A control integration cabinet according to claim 3, characterized in that at least part of the low-voltage devices (21) and the high-voltage devices (22) are mounted on the corresponding mounting plates (3).

5. The control integration cabinet according to claim 4, wherein at least one mounting plate (3) is drawably arranged in the cavity of the cabinet body (1).

6. The control integrated cabinet according to claim 1 or 2 or 3 or 4 or 5, further comprising a fan (4), wherein the fan (4) is arranged on the cabinet body (1), and the cabinet body (1) is provided with an air inlet (13) and an air outlet (14).

7. The control integration cabinet according to claim 6, wherein the high-voltage device (22) is arranged in the second assembly cavity (12), the air inlet (13) is arranged in a cavity wall of the second assembly cavity (12), and the air outlet (14) is arranged in a cavity wall of the first assembly cavity (11).

8. The control integration cabinet according to claim 6, wherein the high-voltage device (22) is arranged in the first assembly cavity (11), the air inlet (13) is arranged in a cavity wall of the first assembly cavity (11), and the air outlet (14) is arranged in a cavity wall of the second assembly cavity (12).

9. The control integration cabinet according to claim 1, wherein the high voltage device (22) comprises an insulating column (221), a cable (222), a first copper bar (223), a positive input relay (224), a negative input relay (231), a fuse (227), and a circuit breaker (230).

10. The control integration cabinet according to claim 1, wherein the low voltage device (21) comprises a power module (211), a control module (212) and a connection terminal (213).

11. Container-type energy storage system comprising a battery pack, characterized in that it comprises a control integrated cabinet according to any one of claims 1-10, said battery pack being formed by a number of battery clusters connected by a number of battery packs.