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Safety assessment method, system and equipment for vehicle battery and readable storage medium

A technology for battery safety and safety assessment, applied in the direction of measuring electricity, measuring electrical variables, data processing applications, etc., can solve problems such as potential safety hazards, and achieve the effect of effective monitoring of safety performance

Pending Publication Date: 2022-07-01
AULTON NEW ENERGY AUTOMOTIVE TECHNOLOGY GROUP
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the lack of an effective method to monitor the safety of the vehicle battery in real time in the prior art, and there are certain potential safety hazards, and to provide a safety assessment method, system, and Device and readable storage medium

Method used

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  • Safety assessment method, system and equipment for vehicle battery and readable storage medium
  • Safety assessment method, system and equipment for vehicle battery and readable storage medium
  • Safety assessment method, system and equipment for vehicle battery and readable storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0084] A safety assessment method for vehicle batteries, such as figure 1 , security assessment methods include:

[0085] Step 10, obtaining real-time battery safety assessment variables of the target vehicle battery;

[0086] Step 20: Input the real-time battery safety evaluation variable into the battery safety evaluation model, and output the quantitative result of the real-time safety evaluation of the target vehicle battery through the battery safety evaluation model;

[0087] The battery safety evaluation model is trained with the sample battery safety evaluation variables of the sample vehicle battery as input, and the battery safety evaluation model outputs the quantitative results of the predicted safety evaluation of the sample vehicle battery during training.

[0088] It should be noted that the raw data from which the real-time battery safety assessment variables are derived can be collected through the battery management system, and the raw data from which the sa...

Embodiment 2

[0107] The safety assessment method for a vehicle battery in this embodiment is further improved on the basis of Embodiment 1, and the influence of different battery safety assessment parameters on the battery safety is comprehensively considered. During training, the weight coefficient of each battery safety assessment parameter is calculated Training optimization to improve the accuracy of battery safety assessment models, such as image 3 As shown, before step 20, the safety assessment method further includes a training step of the battery safety assessment model, which specifically includes:

[0108] Step 13, select multiple battery safety evaluation parameters;

[0109] Step 14 , collecting sample battery safety assessment variables of the sample vehicle battery; the sample battery safety assessment variables include multiple sample variables corresponding to multiple battery safety assessment parameters;

[0110] Step 15, using the sample battery safety evaluation varia...

Embodiment 3

[0119] A safety evaluation system for vehicle batteries, such as Figure 4 As shown, the security assessment system includes:

[0120] The real-time variable acquisition module 1 is used to acquire real-time battery safety assessment variables of the target vehicle battery;

[0121] The evaluation result output module 2 is used to input the real-time battery safety evaluation variables into the battery safety evaluation model, and output the real-time safety evaluation quantitative results of the target vehicle battery through the battery safety evaluation model;

[0122] The battery safety evaluation model is trained with the sample battery safety evaluation variables of the sample vehicle battery as input, and the battery safety evaluation model outputs the quantitative results of the predicted safety evaluation of the sample vehicle battery during training.

[0123] It should be noted that the raw data from which the real-time battery safety assessment variables are derive...

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Abstract

The invention discloses a safety assessment method, system and device for a vehicle battery and a readable storage medium. The safety assessment method comprises the steps of obtaining a real-time battery safety assessment variable of a target vehicle battery; inputting the real-time battery safety assessment variable into a battery safety assessment model, and outputting a real-time safety assessment quantitative result of the target vehicle battery through the battery safety assessment model; the battery safety evaluation model is obtained through training by taking a sample battery safety evaluation variable of the sample vehicle battery as input, and the battery safety evaluation model outputs a prediction safety evaluation quantitative result of the sample vehicle battery during training. And the vehicle battery is monitored in real time based on the trained battery safety evaluation model, and the battery safety performance of any electric vehicle at any time point can be evaluated based on a real-time safety evaluation quantitative result, so that the safety performance of the battery is effectively monitored.

Description

technical field [0001] The invention belongs to the field of battery evaluation, and in particular relates to a safety evaluation method, system, device and readable storage medium for a vehicle battery. Background technique [0002] With the rapid development of the new energy vehicle industry, the safety of automotive power batteries has attracted much attention. In order to ensure the basic safety requirements of battery cells, battery packs or systems under conditions such as vibration, mechanical shock, collision, extrusion, damp heat cycle, water immersion, thermal stability, temperature shock, salt spray, high altitude, over-temperature, over-current , overcharge, over-discharge, external short-circuit and other environments, the standard test guidance is given. However, in the actual operation process, there is no effective method to monitor the safety of the battery in real time, and there are certain security risks. SUMMARY OF THE INVENTION [0003] The technic...

Claims

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Application Information

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IPC IPC(8): G06Q10/04G06Q10/06G06Q50/26G06K9/62
CPCG06Q10/04G06Q10/0635G06Q50/265G06F18/214G06Q50/26G06Q10/06G01R31/367G06F30/27G01R31/392
Inventor 姚林
Owner AULTON NEW ENERGY AUTOMOTIVE TECHNOLOGY GROUP
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