CN-224217513-U - Battery management system and energy storage device

CN224217513UCN 224217513 UCN224217513 UCN 224217513UCN-224217513-U

Abstract

The application provides a battery management system and an energy storage device, and relates to the technical field of energy storage management, wherein the system comprises a display control module, a main control module, a secondary control module and a battery core integrated management module, the battery core integrated management module comprises a communication sub-module, a multi-dimensional sensing acquisition sub-module and a control sub-module, the main control module is respectively and electrically connected with the display control module and the secondary control module, the control sub-module is respectively and communicatively connected with the communication sub-module and the multi-dimensional sensing acquisition sub-module, and the communication sub-module is also electrically connected with the secondary control module. According to the application, the multi-dimensional sensing acquisition sub-module is used for acquiring a plurality of parameters of the battery cell, and the display control module, the main control module, the slave control module and the battery cell integrated management module are used for carrying out multi-layer management, so that the multi-dimensional monitoring of the battery cell is realized, and the safety of the battery cell is improved.

Inventors

YANG HELING
YUE HONGLIANG

Assignees

深圳市欣旺达能源科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250418

Claims (10)

1. The battery management system is characterized by comprising a display control module, a main control module, a slave control module and a battery core integrated management module; the battery cell integrated management module comprises a communication sub-module, a multidimensional sensing acquisition sub-module and a control sub-module; the main control module is respectively and electrically connected with the display control module and the slave control module; The control submodule is respectively in communication connection with the communication submodule and the multidimensional sensing acquisition submodule; The communication sub-module is also electrically connected with the slave control module.
2. The battery management system of claim 1 wherein the multi-dimensional sensing collection submodule comprises a temperature sensing unit, a voltage sensing unit, an impedance sensing unit, a barometric pressure sensing unit, and a strain sensing unit; The control submodule is respectively in communication connection with the temperature sensing unit, the voltage sensing unit, the impedance sensing unit, the air pressure sensing unit and the strain sensing unit.
3. The battery management system of claim 2, wherein the integrated management module further comprises a collection substrate on which the temperature sensing unit, the voltage sensing unit, the impedance sensing unit, the air pressure sensing unit, the strain sensing unit, the communication sub-module, and the control sub-module are integrated.
4. The battery management system of claim 1, wherein the master control module is electrically connected to at least one of the slave control modules, respectively; Each slave control module is electrically connected with at least one corresponding battery core integrated management module.
5. The battery management system of claim 4, wherein each of the integrated cell management modules is disposed on a corresponding cell.
6. The battery management system of claim 1 further comprising a water chiller, a dehumidifier, and a combustible gas detection device; and the display control module is respectively and electrically connected with the water cooler, the dehumidifier and the combustible gas detection device.
7. The battery management system of claim 1, further comprising a switch, an energy storage converter, and an energy management module; The switch is respectively and electrically connected with the display control module, the energy management module and the energy storage converter; the energy storage converter is also electrically connected with the display control module.
8. The battery management system of claim 7, further comprising a metering meter, an anti-reflux meter, and a gateway meter; the energy management module is respectively in communication connection with the metering ammeter, the anti-countercurrent ammeter and the gateway meter.
9. The battery management system of claim 7, further comprising a station control layer; and the station control layer is respectively in communication connection with the energy management module and the switch.
10. An energy storage device comprising the battery management system of any one of claims 1-9.

Description

Battery management system and energy storage device Technical Field The application relates to the technical field of energy storage management, in particular to a battery management system and an energy storage device. Background Currently, in the prior art, a battery management system with a three-level architecture is generally adopted, namely display control, master control and slave control. The battery management system with the existing three-level architecture has the technical defects that the data acquisition dimension is single, the battery management system only acquires the voltage and temperature parameters of part of single battery cells, and the accurate monitoring of the state of the battery cells is difficult to realize by the data acquisition mode with the single dimension. Disclosure of utility model In view of the above, the present utility model is directed to overcoming the shortcomings of the prior art, and providing a battery management system and an energy storage device. The utility model provides the following technical scheme: The application provides a battery management system, which comprises a display control module, a main control module, a slave control module and a battery core integrated management module, wherein the battery core integrated management module comprises a communication sub-module, a multi-dimensional sensing acquisition sub-module and a control sub-module, the main control module is respectively and electrically connected with the display control module and the slave control module, the control sub-module is respectively and communicatively connected with the communication sub-module and the multi-dimensional sensing acquisition sub-module, and the communication sub-module is also electrically connected with the slave control module. In one embodiment, the multi-dimensional sensing and collecting submodule comprises a temperature sensing unit, a voltage sensing unit, an impedance sensing unit, an air pressure sensing unit and a strain sensing unit, and the control submodule is respectively in communication connection with the temperature sensing unit, the voltage sensing unit, the impedance sensing unit, the air pressure sensing unit and the strain sensing unit. In an embodiment, the integrated management module of the battery cell further comprises a collection substrate, wherein the temperature sensing unit, the voltage sensing unit, the impedance sensing unit, the air pressure sensing unit, the strain sensing unit, the communication sub-module and the control sub-module are integrated on the collection substrate. In an embodiment, the master control module is electrically connected with at least one slave control module respectively; Each slave control module is electrically connected with at least one corresponding battery core integrated management module. In one embodiment, each of the integrated management modules is disposed on a corresponding cell. In one embodiment, the battery management system further comprises a water cooler, a dehumidifier and a combustible gas detection device; and the display control module is respectively and electrically connected with the water cooler, the dehumidifier and the combustible gas detection device. In one embodiment, the battery management system further comprises a switch, an energy storage converter and an energy management module; The switch is respectively and electrically connected with the display control module, the energy management module and the energy storage converter; the energy storage converter is also electrically connected with the display control module. In one embodiment, the battery management system further comprises a metering ammeter, an anti-backflow ammeter and a gateway meter; the energy management module is respectively in communication connection with the metering ammeter, the anti-countercurrent ammeter and the gateway meter. In one embodiment, the battery management system further includes a station control layer; and the station control layer is respectively in communication connection with the energy management module and the switch. In a second aspect, the present utility model provides an energy storage device comprising the battery management system provided in the first aspect. Embodiments of the present utility model have the following advantages: The application provides a battery management system and an energy storage device, wherein the system comprises a display control module, a main control module, a slave control module and a battery core integrated management module, the battery core integrated management module comprises a communication sub-module, a multi-dimensional sensing acquisition sub-module and a control sub-module, the main control module is respectively and electrically connected with the display control module and the slave control module, the control sub-module is respectively and communicatively connected with the communication sub-module and the mu