CN117393879A - New energy battery thermal management system - Google Patents

New energy battery thermal management system Download PDF

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Publication number
CN117393879A
CN117393879A CN202311596404.7A CN202311596404A CN117393879A CN 117393879 A CN117393879 A CN 117393879A CN 202311596404 A CN202311596404 A CN 202311596404A CN 117393879 A CN117393879 A CN 117393879A
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China
Prior art keywords
information
battery
management
control information
temperature
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Pending
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CN202311596404.7A
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Chinese (zh)
Inventor
初宏伟
张颖
韩荧
谢丹
李梦雪
徐广琳
刘彤
孙凤双
崔艳宇
叶鹏
彭敏
石庆国
毕方英
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Changchun Automobile Industry Institute
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Changchun Automobile Industry Institute
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Priority to CN202311596404.7A priority Critical patent/CN117393879A/en
Publication of CN117393879A publication Critical patent/CN117393879A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/63—Control systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a new energy battery thermal management system, which comprises a battery information acquisition module, an environment information acquisition module, a heat dissipation acquisition module, other acquisition modules, a data processing module and an information sending module, wherein the battery information acquisition module is used for acquiring environment information; the battery information acquisition module is used for acquiring battery information, the environment information acquisition module is used for acquiring environment information of the battery, the heat radiation equipment acquisition module is used for acquiring heat radiation equipment information, and the other information acquisition modules are used for acquiring other related information; the data processing module is used for processing the battery information, the environment information of the battery, the heat dissipation equipment information and other related information to generate first management and control information, second management and control information, third management and control information and fourth management and control information. The invention can more comprehensively carry out the heat management of the new energy battery and better protect the safety of the battery.

Description

New energy battery thermal management system
Technical Field
The invention relates to the field of new energy batteries, in particular to a new energy battery thermal management system.
Background
New energy battery cells fall into two main categories, storage batteries and fuel cells. The storage battery is suitable for pure electric vehicles, including lead-acid storage batteries, nickel-hydrogen batteries, sodium-sulfur batteries, secondary lithium batteries, air batteries and ternary lithium batteries.
The new energy battery needs to control the heating of the new energy battery in the actual use process, and a new energy battery thermal management system is needed when the heating of the new energy battery is controlled.
The existing new energy battery thermal management system is single in management and control type, cannot better protect the safety of the new energy battery, and brings certain influence to the use of the new energy battery thermal management system, so that the new energy battery thermal management system is provided.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: how to solve the problem that the existing new energy battery thermal management system is single in management and control type, cannot better protect the safety of the new energy battery, and brings certain influence to the use of the new energy battery thermal management system, and provides the new energy battery thermal management system.
The invention solves the technical problems through the following technical scheme that the invention comprises a battery information acquisition module, an environment information acquisition module, a heat dissipation acquisition module, other acquisition modules, a data processing module and an information sending module;
the battery information acquisition module is used for acquiring battery information, the environment information acquisition module is used for acquiring environment information of the battery, the heat radiation equipment acquisition module is used for acquiring heat radiation equipment information, and the other information acquisition modules are used for acquiring other related information;
the data processing module is used for processing the battery information, the environment information of the battery, the heat dissipation equipment information and other related information to generate first management and control information, second management and control information, third management and control information and fourth management and control information;
the information sending module is used for sending the first management and control information, the second management and control information, the third management and control information and the fourth management and control information to a preset receiving terminal after the first management and control information, the second management and control information, the third management and control information and the fourth management and control information are generated.
Further, the specific processing procedure of the first management and control information is as follows: the method comprises the steps of extracting collected battery information, wherein the battery information comprises temperature information during full power output of a battery and temperature information during normal standby of the battery, processing the temperature information during full power output of the battery to obtain a first evaluation parameter, and processing the temperature information during normal standby of the battery to obtain a second evaluation parameter;
and when any one of the first evaluation parameter and the second evaluation parameter is abnormal, generating first management and control information.
Further, the acquiring process and the abnormality determining process of the first evaluation parameter and the second evaluation parameter are as follows;
extracting the acquired temperature information during full power output of the battery, continuously acquiring the temperature information during full power output of the battery for x times, wherein x is more than or equal to 10, calculating the difference value between the temperature information during full power output of the battery for x times and the standard full power temperature, acquiring x temperature differences, extracting the quantity of the x temperature differences which is larger than a preset value, namely acquiring a first evaluation parameter, and indicating that the first evaluation parameter is abnormal when the first evaluation parameter is larger than x/5;
and extracting the temperature information of the battery in normal standby, continuously acquiring the temperature information of the battery in normal standby for x times, wherein x is more than or equal to 10, extracting the quantity of the temperature information of the battery in normal standby for x times, which is larger than a preset value, namely acquiring a second evaluation parameter, and indicating that the second evaluation parameter is abnormal when the second evaluation parameter is larger than x/4.
Further, the specific processing procedure of the second management and control information is as follows: and extracting the collected environmental information of the battery, wherein the environmental information of the battery comprises battery environmental temperature information, battery environmental humidity information and battery environmental dust concentration information, processing the battery environmental temperature information, the battery environmental humidity information and the battery environmental dust concentration information to obtain environmental temperature parameters, environmental humidity parameters and environmental dust parameters, and generating second management and control information when any one of the environmental temperature parameters, the environmental humidity parameters and the environmental dust parameters is larger than a preset value.
Further, the specific treatment process of the environmental temperature parameter, the environmental humidity parameter and the environmental dust parameter is as follows: the method comprises the steps of extracting collected battery environment temperature information, battery environment humidity information and battery environment dust concentration information, and presetting standard environment temperature parameters, standard environment humidity parameters and standard dust concentration parameters;
calculating the difference between the battery ambient temperature information and the standard ambient temperature parameter to obtain the ambient temperature parameter;
calculating the difference between the battery environment humidity information and the standard environment humidity parameter to obtain the environment humidity parameter;
and calculating the difference value between the battery environment dust concentration information and the standard dust concentration parameter to obtain the environment dust parameter.
Further, the specific processing procedure of the third management and control information is as follows: extracting collected heat radiation equipment information, wherein the heat radiation equipment information comprises heat radiation equipment quantity information and equipment heat radiation efficiency information, and the standard heat radiation equipment quantity and standard heat radiation efficiency information are preset;
and when the difference value between the equipment heat dissipation efficiency information and the standard heat dissipation efficiency information is larger than the preset value, generating third management and control information.
Further, the specific processing procedure of the fourth management and control information is as follows: and extracting other acquired information, wherein the other information comprises new energy battery distance information and other heating equipment distance information, the other heating equipment distance information is distance information between other heating equipment and the new energy battery, and when the new energy battery distance information is smaller than a preset value or the other heating equipment distance information is smaller than the preset value, fourth management and control information is generated.
Compared with the prior art, the invention has the following advantages: according to the new energy battery thermal management system, the battery information, the environment information where the battery is located, the heat dissipation equipment information and other related information are processed to generate the first management and control information, the second management and control information, the third management and control information and the fourth management and control information, more comprehensive new energy battery thermal management is achieved, safety of the new energy battery is guaranteed, the heat problem existing in the new energy battery can be timely found through the generated first management and control information, therefore, the battery temperature safety is guaranteed, whether the environment where the new energy battery is located is abnormal or not can be timely found through the generated second management and control information, environment adjustment is conducted through the second management and control information, heating stability of the new energy battery is guaranteed, stable heat dissipation of the heat dissipation equipment is guaranteed when the heat dissipation equipment of the new energy battery is found to be abnormal, the space of the new energy battery is timely adjusted through the generated fourth management and control information, the heat dissipation space of the new energy battery is guaranteed to be sufficient, accordingly, comprehensive heat dissipation management of the new energy battery is achieved, safe operation of the new energy battery is guaranteed, and the new energy battery is more stable and the new energy battery thermal management system is worth popularizing.
Drawings
Fig. 1 is a system block diagram of the present invention.
Detailed Description
The following describes in detail the examples of the present invention, which are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present invention is not limited to the following examples.
As shown in fig. 1, this embodiment provides a technical solution: the new energy battery thermal management system comprises a battery information acquisition module, an environment information acquisition module, a heat dissipation acquisition module, other acquisition modules, a data processing module and an information sending module;
the battery information acquisition module is used for acquiring battery information, the environment information acquisition module is used for acquiring environment information of the battery, the heat radiation equipment acquisition module is used for acquiring heat radiation equipment information, and the other information acquisition modules are used for acquiring other related information;
the data processing module is used for processing the battery information, the environment information of the battery, the heat dissipation equipment information and other related information to generate first management and control information, second management and control information, third management and control information and fourth management and control information;
the information sending module is used for sending the first control information, the second control information, the third control information and the fourth control information to a preset receiving terminal after the first control information, the second control information, the third control information and the fourth control information are generated;
according to the invention, the battery information, the environment information of the battery, the heat dissipation equipment information and other related information are processed to generate the first management and control information, the second management and control information, the third management and control information and the fourth management and control information, so that more comprehensive heat dissipation of the new energy battery is realized, the safety of the new energy battery is ensured, the heat problem existing in the new energy battery can be timely found out through the generated first management and control information, the safety of the battery temperature is ensured, whether the environment of the new energy battery is abnormal or not can be timely found out through the generated second management and control information, the environment adjustment is carried out through the generated second management and control information, the heat generation stability of the new energy battery is ensured, the heat dissipation stability of the heat dissipation equipment is ensured through the generated third management and control information, the space and the like of the new energy battery are timely adjusted through the generated fourth management and control information, the heat dissipation space of the new energy battery is ensured, and the safety and stable operation of the new energy battery are ensured.
The specific processing procedure of the first management and control information is as follows: the method comprises the steps of extracting collected battery information, wherein the battery information comprises temperature information during full power output of a battery and temperature information during normal standby of the battery, processing the temperature information during full power output of the battery to obtain a first evaluation parameter, and processing the temperature information during normal standby of the battery to obtain a second evaluation parameter;
when any one of the first evaluation parameter and the second evaluation parameter is abnormal, generating first management and control information;
when the first evaluation parameter is abnormal, the specific content of the first control information is abnormal temperature when the battery runs at full power, and control is needed;
when the second evaluation parameter is abnormal, the specific content of the first control information is abnormal temperature of the battery in normal standby, and control is needed.
The acquisition process and the abnormality judgment process of the first evaluation parameter and the second evaluation parameter are as follows;
extracting the acquired temperature information during full power output of the battery, continuously acquiring the temperature information during full power output of the battery for x times, wherein x is more than or equal to 10, calculating the difference value between the temperature information during full power output of the battery for x times and the standard full power temperature, acquiring x temperature differences, extracting the quantity of the x temperature differences which is larger than a preset value, namely acquiring a first evaluation parameter, and indicating that the first evaluation parameter is abnormal when the first evaluation parameter is larger than x/5;
extracting temperature information of the battery in normal standby, continuously collecting temperature information of the battery in normal standby for x times, wherein x is more than or equal to 10, extracting the quantity of the temperature information of the battery in normal standby for x times, which is larger than a preset value, namely acquiring a second evaluation parameter, and indicating that the second evaluation parameter is abnormal when the second evaluation parameter is larger than x/4;
through the process, more accurate first evaluation parameters and second evaluation parameters can be obtained, and the accuracy of first management and control information generation is guaranteed.
The specific processing procedure of the second management and control information is as follows: extracting collected environment information of the battery, wherein the environment information of the battery comprises battery environment temperature information, battery environment humidity information and battery environment dust concentration information, processing the battery environment temperature information, the battery environment humidity information and the battery environment dust concentration information to obtain environment temperature parameters, environment humidity parameters and environment dust parameters, and generating second management and control information when any one of the environment temperature parameters, the environment humidity parameters and the environment dust parameters is larger than a preset value;
the specific content of the second management and control information is that the current environment where the new energy battery is located is abnormal, and adjustment is needed to ensure that the new energy battery stably operates.
The specific treatment process of the environmental temperature parameter, the environmental humidity parameter and the environmental dust parameter is as follows: the method comprises the steps of extracting collected battery environment temperature information, battery environment humidity information and battery environment dust concentration information, and presetting standard environment temperature parameters, standard environment humidity parameters and standard dust concentration parameters;
calculating the difference between the battery ambient temperature information and the standard ambient temperature parameter to obtain the ambient temperature parameter;
calculating the difference between the battery environment humidity information and the standard environment humidity parameter to obtain the environment humidity parameter;
calculating the difference value between the battery environment dust concentration information and the standard dust concentration parameter to obtain the environment dust parameter;
through the process, more accurate evaluation parameters can be obtained, so that the accuracy of the second management and control information generation is ensured.
The specific processing procedure of the third management and control information is as follows: extracting collected heat radiation equipment information, wherein the heat radiation equipment information comprises heat radiation equipment quantity information and equipment heat radiation efficiency information, and the standard heat radiation equipment quantity and standard heat radiation efficiency information are preset;
when the difference value between the number of the heat dissipation devices and the number of the standard heat dissipation devices is smaller than a preset value, third management and control information is generated, and when the difference value between the heat dissipation efficiency information of the devices and the standard heat dissipation efficiency information is larger than the preset value, third management and control information is generated;
the specific content of the third management and control information is that the heat dissipation device of the new energy battery is abnormal, and adjustment and control of the heat dissipation device of the new energy battery are needed.
The specific processing procedure of the fourth management and control information is as follows: extracting other acquired information, wherein the other information comprises new energy battery distance information and other heating equipment distance information, the other heating equipment distance information is distance information between other equipment which heats and exceeds a preset temperature and the new energy battery, and generating fourth management and control information when the new energy battery distance information is smaller than a preset value or the other heating equipment distance information is smaller than the preset value;
the specific content of the fourth management and control information is that the heat dissipation space of the new energy battery is insufficient, and adjustment is needed.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (7)

1. The new energy battery thermal management system is characterized by comprising a battery information acquisition module, an environment information acquisition module, a heat dissipation acquisition module, other acquisition modules, a data processing module and an information sending module;
the battery information acquisition module is used for acquiring battery information, the environment information acquisition module is used for acquiring environment information of the battery, the heat radiation equipment acquisition module is used for acquiring heat radiation equipment information, and the other information acquisition modules are used for acquiring other related information;
the data processing module is used for processing the battery information, the environment information of the battery, the heat dissipation equipment information and other related information to generate first management and control information, second management and control information, third management and control information and fourth management and control information;
the information sending module is used for sending the first management and control information, the second management and control information, the third management and control information and the fourth management and control information to a preset receiving terminal after the first management and control information, the second management and control information, the third management and control information and the fourth management and control information are generated.
2. The thermal management system of a new energy battery of claim 1, wherein: the specific processing procedure of the first management and control information is as follows: the method comprises the steps of extracting collected battery information, wherein the battery information comprises temperature information during full power output of a battery and temperature information during normal standby of the battery, processing the temperature information during full power output of the battery to obtain a first evaluation parameter, and processing the temperature information during normal standby of the battery to obtain a second evaluation parameter;
and when any one of the first evaluation parameter and the second evaluation parameter is abnormal, generating first management and control information.
3. The thermal management system of a new energy battery of claim 2, wherein: the acquisition process and the abnormality judgment process of the first evaluation parameter and the second evaluation parameter are as follows;
extracting the acquired temperature information during full power output of the battery, continuously acquiring the temperature information during full power output of the battery for x times, wherein x is more than or equal to 10, calculating the difference value between the temperature information during full power output of the battery for x times and the standard full power temperature, acquiring x temperature differences, extracting the quantity of the x temperature differences which is larger than a preset value, namely acquiring a first evaluation parameter, and indicating that the first evaluation parameter is abnormal when the first evaluation parameter is larger than x/5;
and extracting the temperature information of the battery in normal standby, continuously acquiring the temperature information of the battery in normal standby for x times, wherein x is more than or equal to 10, extracting the quantity of the temperature information of the battery in normal standby for x times, which is larger than a preset value, namely acquiring a second evaluation parameter, and indicating that the second evaluation parameter is abnormal when the second evaluation parameter is larger than x/4.
4. The thermal management system of a new energy battery of claim 1, wherein: the specific processing procedure of the second management and control information is as follows: and extracting the collected environmental information of the battery, wherein the environmental information of the battery comprises battery environmental temperature information, battery environmental humidity information and battery environmental dust concentration information, processing the battery environmental temperature information, the battery environmental humidity information and the battery environmental dust concentration information to obtain environmental temperature parameters, environmental humidity parameters and environmental dust parameters, and generating second management and control information when any one of the environmental temperature parameters, the environmental humidity parameters and the environmental dust parameters is larger than a preset value.
5. The thermal management system of a new energy battery of claim 4, wherein: the specific treatment process of the environmental temperature parameter, the environmental humidity parameter and the environmental dust parameter is as follows: the method comprises the steps of extracting collected battery environment temperature information, battery environment humidity information and battery environment dust concentration information, and presetting standard environment temperature parameters, standard environment humidity parameters and standard dust concentration parameters;
calculating the difference between the battery ambient temperature information and the standard ambient temperature parameter to obtain the ambient temperature parameter;
calculating the difference between the battery environment humidity information and the standard environment humidity parameter to obtain the environment humidity parameter;
and calculating the difference value between the battery environment dust concentration information and the standard dust concentration parameter to obtain the environment dust parameter.
6. The thermal management system of a new energy battery of claim 1, wherein: the specific processing procedure of the third management and control information is as follows: extracting collected heat radiation equipment information, wherein the heat radiation equipment information comprises heat radiation equipment quantity information and equipment heat radiation efficiency information, and the standard heat radiation equipment quantity and standard heat radiation efficiency information are preset;
and when the difference value between the equipment heat dissipation efficiency information and the standard heat dissipation efficiency information is larger than the preset value, generating third management and control information.
7. The thermal management system of a new energy battery of claim 1, wherein: the specific processing procedure of the fourth management and control information is as follows: and extracting other acquired information, wherein the other information comprises new energy battery distance information and other heating equipment distance information, the other heating equipment distance information is distance information between other heating equipment and the new energy battery, and when the new energy battery distance information is smaller than a preset value or the other heating equipment distance information is smaller than the preset value, fourth management and control information is generated.
CN202311596404.7A 2023-11-27 2023-11-27 New energy battery thermal management system Pending CN117393879A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311596404.7A CN117393879A (en) 2023-11-27 2023-11-27 New energy battery thermal management system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311596404.7A CN117393879A (en) 2023-11-27 2023-11-27 New energy battery thermal management system

Publications (1)

Publication Number Publication Date
CN117393879A true CN117393879A (en) 2024-01-12

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