CN216056368U - Parallel power supply cabinet system - Google Patents
Parallel power supply cabinet system Download PDFInfo
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- CN216056368U CN216056368U CN202121553503.3U CN202121553503U CN216056368U CN 216056368 U CN216056368 U CN 216056368U CN 202121553503 U CN202121553503 U CN 202121553503U CN 216056368 U CN216056368 U CN 216056368U
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- battery
- module
- cabinet
- power supply
- parallel power
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Abstract
The utility model relates to a parallel power supply cabinet system, and belongs to the technical field of storage batteries. The utility model relates to a method for preparing a high-temperature-resistant ceramic material. The battery cabinet comprises a plurality of battery cabinets connected in parallel, wherein each battery cabinet comprises a battery box group, each battery box group is formed by connecting a plurality of battery boxes in parallel, each battery box group is externally connected with an AC/DC charging module and an alternating current line through a connecting module, each battery cabinet also comprises a conversion module connected with the connecting module, each transfer module is an AC/DC converter, each conversion module is externally connected with a direct current line, and the plurality of battery cabinets are connected through the direct current lines; the battery cabinet also comprises a control module connected with the battery box group. The utility model has simple structure, convenient operation and reduced cost; and the BMS battery management system is used for controlling, so that the operation difficulty is reduced. Each battery cabinet runs independently and is managed in a centralized way by the master control module, so that the operation difficulty is reduced; each battery cabinet is made in a modularized mode, so that maintenance is simplified, and operation workload is reduced.
Description
Technical Field
The utility model relates to a parallel power supply cabinet system, and belongs to the technical field of storage batteries.
Background
The conventional transformer substation uses a charger, a storage battery pack and a storage battery inspection device combination, has the problems of incapability of online maintenance, difficulty in matching new and old batteries and the like, and the parallel direct-current power supply system is increasingly applied to the transformer substation. The parallel direct-current power supply in the conventional transformer substation has the advantages of large capacity, high cost, complex structure, high operation difficulty and large workload. A parallel power supply which is simple to operate and has small workload is lacked.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that aiming at the defects of the prior art, the parallel power supply cabinet combination system is provided, and the advantages of simple structure and simple operation can be realized.
In order to achieve the purpose, the technical scheme adopted by the method is as follows: a parallel power supply cabinet combination system is formed by connecting a plurality of battery cabinets in parallel, each battery cabinet comprises a battery box group, each battery box group is formed by connecting a plurality of battery boxes in parallel, each battery box group is externally connected with an AC/DC charging module and an alternating current line through a connecting module, each connecting module comprises an electric wire, a fuse and an air switch, each battery box is formed by connecting a plurality of batteries in series, each AC/DC charging module is an AC/DC charger, each battery cabinet further comprises a conversion module connected with the connecting module, each conversion module is an AC/DC converter, each conversion module is externally connected with a direct current line, and the plurality of battery cabinets are connected through the direct current lines; the battery cabinet is characterized by further comprising a control module connected with the battery box group, the control module comprises a BMS battery management system and a high-voltage detection device and a maintenance switch which are controlled by the BMS battery management system and are arranged on the connection module, the battery cabinet is externally connected with a master control module, and the master control module is a computer.
The further improvement of the technical scheme is as follows: the connection module is further provided with a relay and a pre-charge line, which are controlled by the BMS battery system.
The further improvement of the technical scheme is as follows: the BMS battery management system controls the air switch, the AC/DC charging module, and the AC/DC converter.
The further improvement of the technical scheme is as follows: the high-voltage detection device is a storage battery high-voltage detector.
The further improvement of the technical scheme is as follows: the battery is a lithium iron phosphate battery.
The further improvement of the technical scheme is as follows: the batteries are connected through a connecting copper bar.
The further improvement of the technical scheme is as follows: the battery is provided with a storage battery protective sleeve.
The utility model has the following beneficial effects: the utility model has simple structure, convenient operation and reduced cost; and the BMS battery management system is used for controlling, so that the operation difficulty is reduced. Each battery cabinet runs independently and is managed in a centralized way by the master control module, so that the operation difficulty is reduced; each battery cabinet is made in a modularized mode, so that maintenance is simplified, and operation workload is reduced; each battery cabinet can independently run, is connected in parallel with equal capacity and is managed in a centralized way; the single batteries are not connected in series, so that the unbalance of parallel connection of the single batteries is avoided, the reliability is reduced, and meanwhile, the parallel connection among the clusters is balanced, and the circulation and the energy loss are reduced.
Drawings
The utility model will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a single battery cabinet according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a plurality of battery cabinets according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments with reference to the accompanying drawings will provide further detailed description of the embodiments of the present invention, such as the mutual positions and connection relationships between the related parts, the functions and working principles of the parts, and the operation and use methods, to help those skilled in the art to more completely, accurately and deeply understand the concept and technical solutions of the present invention.
Examples
As shown in fig. 2, a parallel power supply cabinet system is composed of a plurality of battery cabinets connected in parallel through a dc line.
As shown in fig. 1, a battery cabinet includes a plurality of battery boxes connected in parallel, each battery box is formed by connecting a plurality of battery boxes in parallel, each battery box is formed by connecting a plurality of lithium iron phosphate batteries in series, and the lithium iron phosphate batteries are connected by connecting copper bars. The lithium iron phosphate battery is also provided with a storage battery protective sleeve.
The battery cabinet also comprises a connecting module, the connecting module comprises an electric wire, a fuse and an air switch, and the battery box group is externally connected with an AC/DC charger and an AC line through the connecting module. The AC line and the AC/DC charger charge the battery box group when working.
The battery cabinet also comprises a conversion module which is an AC/DC converter, the conversion module is connected with the battery box group and the AC/DC charging module through a connecting module, and the AC/DC converter is externally connected with a direct current line. A plurality of battery cabinets are externally connected with the same direct current line through an AC/DC converter to realize parallel connection.
The battery cabinet also comprises a control module, and the control module comprises a BMS battery management system and a storage battery high-voltage detector, a maintenance switch, a relay and a pre-charging circuit which are controlled by the BMS battery management system. The storage battery high-voltage detector, the maintenance switch, the relay and the pre-charging circuit are all arranged on the connecting module. The control module of each battery cabinet is externally connected with a computer of a master control module.
The present invention is not limited to the above embodiments, and any technical solutions formed by equivalent substitutions fall within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a parallelly connected power pack cabinet system, is parallelly connected to form by a plurality of battery cabinets, the battery cabinet includes battery box group, battery box group is parallelly connected to form by a plurality of battery boxes, battery box group is through the external AC/DC module of charging of connection module and alternating current line, connection module includes electric wire, fuse and air switch, the battery box comprises a plurality of batteries series connection, AC/DC module of charging is AC/DC charger, its characterized in that: the battery cabinets also comprise conversion modules connected with the connection modules, the conversion modules are AC/DC converters, the conversion modules are externally connected with direct current lines, and the plurality of battery cabinets are connected through the direct current lines; the battery cabinet is characterized by further comprising a control module connected with the battery box group, the control module comprises a BMS battery management system and a high-voltage detection device and a maintenance switch which are controlled by the BMS battery management system and are arranged on the connection module, the battery cabinet is externally connected with a master control module, and the master control module is a computer.
2. The parallel power supply group cabinet system of claim 1, wherein: the connection module is further provided with a relay and a pre-charge line, which are controlled by the BMS battery system.
3. The parallel power supply group cabinet system of claim 1, wherein: the BMS battery management system controls the air switch, the AC/DC charging module, and the AC/DC converter.
4. The parallel power supply group cabinet system of claim 1, wherein: the high-voltage detection device is a storage battery high-voltage detector.
5. The parallel power supply group cabinet system of claim 1, wherein: the battery is a lithium iron phosphate battery.
6. The parallel power supply group cabinet system of claim 1, wherein: the batteries are connected through a connecting copper bar.
7. The parallel power supply group cabinet system of claim 1, wherein: the battery is provided with a storage battery protective sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121553503.3U CN216056368U (en) | 2021-07-09 | 2021-07-09 | Parallel power supply cabinet system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121553503.3U CN216056368U (en) | 2021-07-09 | 2021-07-09 | Parallel power supply cabinet system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216056368U true CN216056368U (en) | 2022-03-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121553503.3U Active CN216056368U (en) | 2021-07-09 | 2021-07-09 | Parallel power supply cabinet system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216056368U (en) |
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2021
- 2021-07-09 CN CN202121553503.3U patent/CN216056368U/en active Active
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