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Battery storage circuit and system

A battery energy storage and circuit technology, applied in battery circuit devices, safety/protection battery circuits, circuit devices, etc., can solve the problems of small discharge rate and low service life

Pending Publication Date: 2019-03-08
ZHUHAI YINLONG ELECTRICAL APPLIANCES +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In recent years, there have been more and more large-scale energy storage systems using lithium-ion batteries. At present, the service life of energy storage systems in the prior art is relatively low, and the discharge rate is relatively small.

Method used

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  • Battery storage circuit and system
  • Battery storage circuit and system
  • Battery storage circuit and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] see figure 1 , this embodiment provides a battery energy storage circuit 10, the battery energy storage circuit 10 provided by this embodiment can improve the service life and discharge rate.

[0042] In this embodiment, the battery energy storage circuit 10 includes a main control module 100 and a plurality of battery modules 200. After the plurality of battery modules 200 are connected in series, they are connected to a load or a charger. The main control module 100 is connected in series with the Between the load and multiple battery modules 200;

[0043]The main control module 100 is used to detect the state information of multiple battery modules 200, and disconnect the battery module 200 from the load or charger when the state information exceeds a preset range, wherein the state information includes current value and voltage value.

[0044] In this embodiment, when the battery module 200 is connected to a load, the battery module 200 discharges to charge the loa...

Embodiment 2

[0087] This embodiment provides a battery energy storage system, and the battery energy storage system provided by this embodiment can improve service life and discharge rate.

[0088] For brief description, for the parts not mentioned in this embodiment, reference may be made to Embodiment 1.

[0089] In this embodiment, the battery energy storage system includes a body and a battery energy storage circuit 10, and the battery energy storage circuit 10 is installed on the body.

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Abstract

The invention provides a battery storage circuit and system, and relates to the technical field of batteries. The battery storage circuit comprises a main control module and a plurality of battery modules. After being connected in series, the plurality of battery modules are connected to one load or a charger, and the main control module is connected in series between the load and the plurality ofbattery modules; the main control module is used for detecting status information of the plurality of battery modules; when the status information exceeds a preset interval, the battery module and the load or the charger are disconnected, wherein the status information comprises a current value and a voltage value. According to the circuit and the system in the invention, the main control moduleis connected in series between the load and the battery modules, and the main control module is used for detecting the status information of a main circuit after the plurality of battery modules are connected in series, wherein the status information comprises a current value and a voltage value; when the status information exceeds the preset interval, the battery module and the load or the charger are controlled to disconnect the battery module and the load or the charger, thereby protecting the battery modules and improving the service life and discharge rate of the battery modules.

Description

technical field [0001] The invention relates to the technical field of batteries, in particular to a battery energy storage circuit and system. Background technique [0002] In recent years, there have been more and more large-scale energy storage systems using lithium-ion batteries. The current energy storage systems in the prior art have a relatively low service life and a small discharge rate. Contents of the invention [0003] The purpose of the present invention is to provide a battery energy storage circuit, which can improve the service life and discharge rate. [0004] The purpose of the present invention is to provide a battery energy storage system, which can improve the service life and discharge rate. [0005] The invention provides a technical solution: [0006] A battery energy storage circuit includes a main control module and a plurality of battery modules. After the plurality of battery modules are connected in series, they are connected to a load or a c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
CPCH02J7/0013H02J7/0026
Inventor 周德怀王宝鸡刘大军
Owner ZHUHAI YINLONG ELECTRICAL APPLIANCES