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A mobile power battery thermal management system detection device and method

A thermal management system and power battery technology, applied in measurement devices, secondary battery testing, secondary battery repair/maintenance, etc., can solve the problem that the detection accuracy and precision cannot be guaranteed, the detection parameters are single, and the battery cannot be scientifically evaluated. System thermal safety and other issues to achieve the effect of reducing sensor wiring, preventing thermal runaway, and enhancing layout flexibility

Active Publication Date: 2022-01-25
UNIV OF SHANGHAI FOR SCI & TECH
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Problems solved by technology

[0003] Publication number CN109752659A discloses a liquid-cooled battery PACK test system and method, and invented a liquid-cooled battery PACK test system and method in the charging and discharging state. The thermal parameters are only detected based on temperature data. The parameters are relatively single, the accuracy and precision of the detection cannot be guaranteed, and the heat flux parameters that change rapidly are not involved, so the thermal safety of the battery system cannot be scientifically evaluated

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  • A mobile power battery thermal management system detection device and method
  • A mobile power battery thermal management system detection device and method
  • A mobile power battery thermal management system detection device and method

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Embodiment Construction

[0078] In order to make the technical means and effects realized by the present invention easy to understand, the present invention will be described in detail below in conjunction with the embodiments and accompanying drawings.

[0079] figure 1 It is a structural block diagram of a detection device for a mobile power battery thermal management system in an embodiment of the present invention.

[0080] like figure 1 As shown, a mobile power battery thermal management system detection device 100 of this embodiment is used to detect and evaluate the thermal safety of the power battery of a power vehicle, including a data detection module 10, a data storage module 20 and a comprehensive evaluation module 30 .

[0081] The data detection module 10 includes a temperature sensor 11 arranged on the surface of the power battery for detecting the temperature parameter of the power battery within the set time threshold, and a temperature sensor 11 arranged on the surface of the power...

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Abstract

The invention provides a detection device for a mobile power battery thermal management system, which is used to detect and evaluate the thermal safety of a power battery of a power vehicle, including: a data detection module, including a temperature sensor, a heat flux density sensor, a Bluetooth transmitter and a A data receiving transmitter for receiving and transmitting temperature parameters and heat flux parameters; a data storage module for receiving and storing temperature parameters and heat flux parameters, and uploading temperature parameters and heat flux parameters to the cloud; and a comprehensive evaluation module, including A first data processor for preliminary calculation processing to obtain average temperature, a second data processor for preliminary calculation processing to obtain average heat flux and average heat flux slope, an integrated data processor for comprehensive calculation and evaluation output display Screen. The invention also provides a detection and evaluation method based on the detection device of the mobile power battery thermal management system to evaluate the thermal safety of the power battery.

Description

technical field [0001] The invention belongs to the technical field of power battery thermal characteristic testing, and in particular relates to a detection device and method for a mobile power battery thermal management system. Background technique [0002] With the continuous expansion of the use of power batteries, the thermal runaway detection technology of power batteries needs to be further improved. Especially in electric vehicles, the use environment of lithium-ion batteries is very complex and harsh, so it is necessary to establish a more scientific quantitative testing and evaluation method. especially urgent. [0003] Publication number CN109752659A discloses a liquid-cooled battery PACK test system and method, and invented a liquid-cooled battery PACK test system and method in the charging and discharging state. The thermal parameters are only detected based on temperature data. The parameters are relatively single, and the accuracy and precision of the detecti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/382G01R31/367G01K13/10H01M10/42
CPCG01R31/382G01R31/367G01K13/10H01M10/4285Y02E60/10
Inventor 王海民石伟杰李环琪胡学彬王寓非胡峰陈思
Owner UNIV OF SHANGHAI FOR SCI & TECH
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