CN215498714U

CN215498714U - High-power energy storage module capable of operating independently

Info

Publication number: CN215498714U
Application number: CN202122178641.4U
Authority: CN
Inventors: 陈琳琳; 张国荣; 王欢
Original assignee: Sichuan Clou Energy Electric Co Ltd
Current assignee: Sichuan Clou Energy Electric Co Ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-11
Anticipated expiration: 2031-09-09

Abstract

The utility model provides a high-power energy storage module capable of operating independently, which comprises a machine shell (1), an external communication board (2), a power board (3), a main board (4), a machine cover (9), a module pin guide block (10) and a module connector (11); the external communication board (2) is arranged at the front end of the shell and is movably connected with the shell (1); the power board (3) is arranged on the lower layer in the shell (1); the main board (4) is arranged on the upper layer in the shell (1); the machine cover (9) is covered on the top of the machine shell (1); the rear end of the machine shell (1) is respectively and fixedly provided with a module pin guide block (10) and a module connector (11). The utility model solves the problem of cable drag at the rear end of the device by adding the module nail guide block and the module connector, and solves the problem of difficult operation during the overhaul of the device by designing the handle of the front baffle.

Description

High-power energy storage module capable of operating independently

Technical Field

The utility model relates to the technical field of new energy such as an energy storage converter, in particular to a high-power energy storage module capable of operating independently, which is used in the technical field of new energy.

Background

In the existing energy storage converter product, a capacitor in the existing power module system mostly adopts a direct current filtering film capacitor, so that the weight of the module is more than 80 jin, and more screws are assembled and disassembled in maintenance; in addition, the existing energy storage converter system can involve a large circuit breaker, a reactor and a transformer in the design, so that the whole machine with the same power is large in size and heavy in weight, due to the space problem, large and heavy devices such as the transformer and the reactor need to be arranged behind the structure, the shielding of the front operation device design is difficult to maintain basically, and if the situation occurs, the devices of the whole machine basically need to be detached and the maintenance can be carried out only by matching with a forklift crane. And a plurality of plates such as core control board, alternating current filter board, direct current filter board need the independent design, when having more one assembly procedure, occupy the complete machine space greatly, are difficult for realizing the demand that energy storage converter is compact in the existing market.

The application number is CN201320372744.7 Chinese utility model patent application, discloses a high-power energy storage converter and main circuit thereof, and this converter main circuit includes a two-way AC/DC conversion module, and this two-way AC/DC conversion module comprises two three-phase full-bridge IGBT power conversion units parallelly connected, the interchange side of two-way AC/DC conversion module is used for connecting the electric wire netting, and the direct current side is used for connecting the energy storage medium. The one-level transformation is adopted to replace the traditional two-level transformation, and the problems of high manufacturing cost, complex control and low reliability of the existing high-power energy storage converter adopting the two-level transformation are solved. However, the device only has a high-power energy storage function, and cannot avoid the problem that the device is too heavy and is difficult to replace or overhaul.

The Chinese invention patent application with the application number of CN201310556664.1 provides a high-power modular multi-level lithium battery energy storage converter device, which comprises a main power module and a hardware control system, wherein the main power module adopts a modular cascade structure, after a high-voltage power grid is connected into the energy storage converter device, each phase of main loop is divided into 10-30 sub-level modules according to the voltage grade, and a plurality of sub-level modules of each phase are mutually cascaded; each level of sub-level module comprises an H-bridge energy storage converter module, an energy storage lithium battery and a bottom layer controller; the bottom layer controller of each sub-level module samples information such as voltage, current and temperature of each battery and transmits the information to the hardware control system; the hardware control system comprises a main controller DSP, an auxiliary controller FPGA and an upper computer control system which are connected and communicated with each other. The utility model provides a high-power modularized multi-level lithium battery energy storage converter device, which divides a battery energy storage system into multi-level modules and can easily realize the large-scale lithium battery energy storage of MW level or more than 10MW level. The device mainly is the positive price lithium battery energy storage level of a plurality of level modules in the example, is more inclined to the battery energy storage device of super large level, and can not solve the inconvenient change of conventional level energy storage converter and the problem of being difficult to maintain.

The application number is CN 201820950116.5's Chinese utility model patent application, a be applied to little electric wire netting's high-power energy storage converter is disclosed, including the electricity cabinet, the vertical baffle that is fixed with in the electricity cabinet, the baffle divides the inside of electricity cabinet into first cavity and second cavity, the lower part in the first cavity is fixed with the reactor, upper portion in the first cavity is fixed with control box and the power supply box that contains the controller, the top of first cavity is fixed with first radiator fan, the lower part in the second cavity is fixed with the AC circuit breaker who inserts the alternating current, the DC circuit breaker of output direct current, AC filter and DC filter, upper portion in the second cavity is fixed with second radiator fan and three power module, three power module sets up side by side and is located the top of second radiator fan, the last heat dissipation mesh that has seted up of power module; the alternating current circuit breaker, the alternating current filter, the reactor, the power module, the direct current filter and the direct current circuit breaker are electrically connected in sequence to form an alternating current-direct current conversion circuit, and the alternating current-direct current conversion circuit is electrically connected with the controller. The device also only provides the effect of high-power energy storage for the converter, and can not effectively solve the problem that the converter is difficult to replace and maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-power energy storage module capable of operating independently, so as to solve the problem that the conventional device is difficult to disassemble and inspect due to unreasonable device installation and integral design.

In order to achieve the purpose, the technical scheme of the utility model is as follows: a high-power energy storage module capable of operating independently comprises a shell, an external communication board, a power board, a main board, a machine cover, a module pin guide block and a module connector; the external communication board is arranged at the front end of the shell and is movably connected with the shell; the power board is arranged on the lower layer in the shell; the main board is arranged on the upper layer in the shell; the machine cover is covered on the top of the machine shell; and a module pin guide block and a module connector are fixedly arranged at the rear end of the machine shell.

Furthermore, a heat dissipation air outlet hole is formed in the rear end of the shell; the upper part of the external communication board is provided with a heat dissipation air outlet.

Furthermore, handles are arranged on two sides of the board surface of the external communication board.

Furthermore, a fusible core, a circuit breaker and an inductor are mounted on the main board; the fusible core and the circuit breaker are arranged on two sides of the front end of the main board; the inductor is fixedly installed at the rear end of the main board.

Furthermore, a communication interface is arranged on the external communication board.

Furthermore, the fusible core, the circuit breaker and the inductor are respectively fixed on the power board through a plurality of screws.

Further, a radiator is mounted on the power board; the radiator is fixedly connected to the rear end of the power board through screws.

The main functions of the energy storage module are realized through PCBA plates such as a power board, a main board and an external communication board, so that the module is small in size and light in weight, the module is designed into a rack type, a handle is designed on a panel, the energy storage module can independently run, and the function of a 30KW energy storage converter can be realized.

The rear end of the energy storage module is provided with a module connector and a module pin guide block, and the module integrates power and signals into a whole by using the connector and can be hot-plugged; the use of the module pin guide block is more favorable for the disassembly and assembly when the high-power energy storage converter is integrated by independent energy storage.

The utility model can integrate the device into high-power energy storage converters of 120KW, 500KW, 600KW and the like.

The utility model has the beneficial effects that:

1. the utility model can be used as an energy storage module independently, and can also be attached to other devices, so that the other devices also have the energy storage function.

2. The module connector and the module pin guide block arranged at the rear end of the device provided by the utility model ensure that the rear end of the device is not restrained by the cables due to excessive cables.

3. The handle is arranged on the external communication board at the front end of the device and is movably connected with the cover, so that internal devices can be directly drawn out, and the size circuit breaker can be disassembled by disassembling the baffle.

4. The device of the utility model has light weight as a whole, the number of the used screws is greatly less than that of other devices, and the equipment cost is reduced.

5. The internal device of the utility model is fixed by 4M 6 screws, and the disassembly can be completed by unscrewing the screws.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic exploded view of the present invention;

FIG. 3 is a rear view of the present invention;

fig. 4 is a schematic structural diagram after the assembly of the present invention.

The device comprises a shell 1, an external communication board 2, a power board 3, a main board 4, a radiator 5, a fusible core 6, a circuit breaker 7, an inductor 8, a cover 9, a module pin guide block 10, a module connector 11 and a handle 12.

Detailed Description

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.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Example 1

In the present embodiment, the first and second electrodes are,

referring to fig. 2, the utility model provides a technical scheme, and a high-power energy storage module capable of operating independently, which is characterized by comprising a machine shell 1, an external communication board 2, a power board 3, a main board 4, a machine cover 9, a module pin guide block 10 and a module connector 11; the external communication board 2 is arranged at the front end of the shell and is movably connected with the shell 1; the power board 3 is arranged at the lower layer in the shell 1; the main board 4 is arranged on the upper layer inside the casing 1; the machine cover 9 is covered on the top of the machine shell 1; and a module pin guide block 10 and a module connector 11 are fixedly arranged at the rear end of the machine shell 1.

In this embodiment, the rear end of the casing 1 is provided with a heat dissipation air outlet; the upper part of the external communication board 2 is provided with a heat radiation air outlet hole.

In this embodiment, handles 12 are provided on both sides of the surface of the external communication board 2.

In this embodiment, a communication interface is installed to the external communication board 2.

In this embodiment, the fusible core 6, the circuit breaker 7 and the inductor 8 are mounted on the main board 4; the fusible core 6 and the circuit breaker 7 are arranged on two sides of the front end of the main board 4; the inductor 8 is fixedly arranged at the rear end of the main board 4.

In this embodiment, the fusible core 6, the circuit breaker 7, and the inductor 8 are fixed to the power board 3 by a plurality of screws, respectively.

In this embodiment, the power board 3 is provided with a heat sink 5; the heat sink 5 is fixedly connected to the rear end of the power board 3 by screws.

The present embodiment has the following advantages: the energy storage module can be independently used for realizing the design of controlling a 30KW energy storage converter; the module connector and the module pin guide block arranged at the rear end of the device ensure that the rear end of the device is not restrained by the cables due to excessive cables; the external communication board at the front end of the device is provided with a handle and is movably connected with the cover, so that internal devices can be directly drawn out, and the size circuit breaker can be disassembled and assembled by disassembling the baffle; the whole device is light in weight, and the number of the used screws is greatly less than that of other devices; the internal device is fixed through 4M 6 screws, and the disassembly can be completed by unscrewing the screws.

Example 2

Referring to fig. 4, the device that 4 embodiments one provided is wholly spliced, 120KW energy storage converter that can integrate, 120KW energy storage converter comprise the energy storage module and some circuit breakers that belong to in 4 embodiments one, and the whole overall arrangement all is at the rack front end, the patent 30KW energy storage module is direct pull, unpacks the baffle in addition, can dismouting size circuit breaker. Compared with the common high-power energy storage converter, the integrated high-power energy storage converter has the advantages of light overall weight, modularization realization, front maintenance of all devices and extremely convenient assembly and disassembly.

The present embodiment has the following advantages: under the condition of ensuring the technical effect of the first embodiment, a plurality of devices are connected, and the capacity of the energy storage converter is increased.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A high-power energy storage module capable of operating independently is characterized by comprising a machine shell (1), an external communication board (2), a power board (3), a main board (4), a machine cover (9), a module pin guide block (10) and a module connector (11); the external communication board (2) is arranged at the front end of the shell and is movably connected with the shell (1); the power board (3) is arranged on the lower layer in the shell (1); the main board (4) is arranged on the upper layer in the shell (1); the machine cover (9) is covered on the top of the machine shell (1); and a module pin guide block (10) and a module connector (11) are fixedly arranged at the rear end of the machine shell (1).

2. The high-power energy storage module capable of operating independently as claimed in claim 1, wherein the rear end of the casing (1) and the lower part of the external communication board (2) are provided with heat dissipation air outlets.

3. A separately operable high power energy storage module according to claim 2, characterized in that the external communication board (2) is equipped with a communication interface.

4. A high power energy storage module capable of operating alone according to claim 2, wherein handles (12) are provided on both sides of the surface of the external communication board (2).

5. A high power energy storage module for individual operation according to claim 1, characterized in that a heat sink (5) is mounted on the power board (3); the radiator (5) is fixedly arranged at the rear end of the power plate (3) through screws.

6. A high power energy storage module capable of operating alone according to claim 1, characterized in that the fuse core (6), the circuit breaker (7) and the inductor (8) are mounted on the main board (4); the fusible core (6) and the circuit breaker (7) are respectively arranged on two sides of the front end of the main board (4); and the inductor (8) is fixedly arranged at the rear end of the main board (4).