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A method and device for generating a heat map for a battery management system
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A battery management system and thermal map technology, applied in the field of power management, can solve problems such as the inability to intuitively reflect changes in battery temperature over time
Active Publication Date: 2020-08-04
SHENZHEN KELIE TECH
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[0003] In general, the analysis of data by BMS depends on the correspondence between the battery temperature sensor and the data, and the correspondence between these data cannot intuitively reflect the change of battery temperature over time and the distribution of heat in the battery pack , ultimately leading to the fact that the existing BMS cannot provide an intuitive display result to show the current battery usage status
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no. 1 example
[0063] refer to figure 1 , which shows a flow chart of the steps of an embodiment of a method for generating a heat map for a battery management system according to the present invention, which may specifically include the following steps:
[0064] Step 101, determining the highest temperature value and the lowest temperature value of the battery;
[0065] In a specific implementation, the embodiments of the present invention can be applied to BMS battery management systems of electric vehicles, battery vehicles, robots, drones and other equipment.
[0066] In a specific implementation, the embodiment of the present invention can find out the highest temperature value MAX_TEMP and the lowest temperature value MIN_TEMP according to the temperature data that needs to be displayed in the current time range.
[0067] Step 102, using the plurality of temperature sensors to obtain the battery temperature of the battery;
[0068] In practical applications, the embodiments of the pr...
no. 2 example
[0081] refer to image 3 , which shows a flow chart of the steps of another embodiment of a method for generating a heat map for a battery management system according to the present invention, which may specifically include the following steps:
[0082] Step 301, determining the highest temperature value and the lowest temperature value of the battery;
[0083] Step 302, using the plurality of temperature sensors to obtain the battery temperature of the battery;
[0084] Step 303, calculating the chromaticity corresponding to the battery temperature through the battery temperature, the maximum temperature value and the minimum temperature value;
[0085] Step 304, generate a heat map through the chromaticity;
[0086] Since the specific implementation manner of steps 301-step 304 in the second method embodiment basically corresponds to the specific implementation manner of the aforementioned method embodiment 1, the description of steps 301-step 304 in this embodiment is not...
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Abstract
The embodiments of the present invention provide a heat map generation method and a heat map generation apparatus for a battery management system. The heat map generation method comprises: determiningthe highest temperature value and the lowest temperature value of a battery; acquiring the battery temperature of the battery by using a plurality of temperature sensors; calculating the chromaticitycorresponding to the battery temperature through the battery temperature, the highest temperature value and the lowest temperature value; and generating the heat map through the chromaticity. With the application of the embodiments in the practical application, the user can observe the temperature changes of each position of the battery pack through the change of the color in the heat map, such that the user can intuitively observe the temperature change of the battery in the battery management system.
Description
technical field [0001] The present invention relates to the technical field of power management, in particular to a thermal map generation method for a battery management system and a thermal map generation method and device for a battery management system. Background technique [0002] BMS (Battery Management System, battery management system) is the link between the battery and the user. The main object is the secondary battery. The main purpose is to improve the utilization rate of the battery and prevent the battery from being overcharged and overdischarged. It can be used in electric vehicles. Battery cars, robots, drones, etc. [0003] In general, the analysis of data by BMS depends on the correspondence between the battery temperature sensor and the data, and the correspondence between these data cannot intuitively reflect the change of battery temperature over time and the distribution of heat in the battery pack , resulting in the fact that the existing BMS cannot ...
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