CN117423939A - Energy storage battery cell temperature equalizing system - Google Patents

Energy storage battery cell temperature equalizing system Download PDF

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Publication number
CN117423939A
CN117423939A CN202311751015.7A CN202311751015A CN117423939A CN 117423939 A CN117423939 A CN 117423939A CN 202311751015 A CN202311751015 A CN 202311751015A CN 117423939 A CN117423939 A CN 117423939A
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value
influence
deviation
information
temperature
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CN117423939B (en
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白瑞晨
林子杰
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Lanyang Ningbo Technology Co ltd
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Lanyang Ningbo Technology Co ltd
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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
    • H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
    • 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • 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)
  • Secondary Cells (AREA)

Abstract

The application relates to an energy storage battery cell temperature equalizing system, which relates to the technical field of energy storage batteries, and comprises a cooling piece, a detecting piece and a control piece, wherein the control piece receives current energy storage battery detection information and adopts a configured cell temperature equalizing control strategy to analyze and process so as to form cell temperature equalizing control information and output the cell temperature equalizing control information to the cooling piece; the battery cell temperature equalization control strategy comprises the following steps: acquiring current energy storage battery detection information; retrieving a current energy storage battery temperature detection value and current energy storage battery operation parameter information according to the current energy storage battery detection information; analyzing and processing the current temperature detection value of the energy storage battery to form initial temperature adjustment information; analyzing and processing the current operation parameter information of the energy storage battery to form operation parameter influence information; and analyzing and acquiring the battery cell uniform temperature control information according to the temperature initial adjustment information and the operation parameter influence information, and outputting the battery cell uniform temperature control information. The temperature equalization control method has the effect of improving the temperature equalization control accuracy of the temperature equalization system when carrying out temperature equalization management on different energy storage batteries.

Description

Energy storage battery cell temperature equalizing system
Technical Field
The application relates to the technical field of energy storage batteries, in particular to an energy storage battery cell temperature equalizing system.
Background
The energy storage battery is a device for storing electric energy to solve the problems of unstable and discontinuous electric power and has wide application prospects in the fields of electric power peak shaving, electric automobiles, household and industrial energy storage and the like.
In the related art, since the energy storage battery generates a large amount of heat during the charge and discharge process, if the heat cannot be timely discharged, safety problems such as overheating and even ignition and explosion of the battery can be caused. Therefore, the energy storage battery is generally required to be subjected to heat management, so that the safety and stability of the energy storage battery are ensured. When carrying out the samming management to energy storage battery, generally adopt to set up the samming system on energy storage battery, the samming system includes the liquid cooling board, temperature collector and controller, temperature collector is used for gathering energy storage battery's temperature, the controller is through the theoretical accuse temperature target value of configuration in advance, according to theoretical accuse temperature target value and the energy storage battery temperature generation samming control scheme of gathering, and output samming control scheme is to the liquid cooling board that is connected with the controller, the liquid cooling board carries out indirect liquid cooling to energy storage battery, thereby make energy storage battery can carry out accurate samming.
With respect to the related art as described above, the applicant found the following drawbacks: when the temperature equalizing system is adopted to perform temperature equalizing management on different energy storage batteries, as different energy storage batteries are different in service conditions and service lives, heat generation distribution conditions and heat balance requirements of the different energy storage batteries are different, and therefore deviation is easy to exist when the temperature equalizing system performs temperature equalizing management on the different energy storage batteries.
Disclosure of Invention
In order to improve the temperature equalization control accuracy when the temperature equalization system carries out temperature equalization management to different energy storage batteries, the application provides an energy storage battery cell temperature equalization system.
In a first aspect, the present application provides an energy storage battery cell temperature equalizing system, which adopts the following technical scheme:
the battery cell temperature equalizing system of the energy storage battery comprises a cooling piece, a detecting piece and a control piece, wherein the detecting piece is used for acquiring current detection information of the energy storage battery, the cooling piece is used for cooling the energy storage battery, the control piece is connected with the detecting piece to receive the current detection information of the energy storage battery and adopts a configured battery cell temperature equalizing control strategy to analyze and process so as to form battery cell temperature equalizing control information, and the cooling piece is arranged on the energy storage battery and is connected with the control piece to receive and execute the battery cell temperature equalizing control information;
the battery cell temperature equalization control strategy comprises the following steps:
acquiring current energy storage battery detection information;
retrieving a current energy storage battery temperature detection value corresponding to the current energy storage battery detection information and current energy storage battery operation parameter information according to the current energy storage battery detection information;
analyzing the detected value of the current energy storage battery temperature according to a preset temperature initial adjustment analysis method to form temperature initial adjustment information;
Analyzing and processing the current energy storage battery operation parameter information according to a preset operation parameter influence analysis method to form operation parameter influence information;
and according to the corresponding relation between the temperature initial adjustment information, the operation parameter influence information and the preset battery cell temperature equalization control information, analyzing and obtaining the battery cell temperature equalization control information corresponding to the temperature initial adjustment information and the operation parameter influence information, and outputting the battery cell temperature equalization control information.
By adopting the technical scheme, the control piece receives the current energy storage battery detection information and analyzes and processes the current energy storage battery temperature detection value and the current energy storage battery operation parameter information by adopting the configured battery core temperature equalization control strategy, the current energy storage battery detection information is used for respectively analyzing and processing the current energy storage battery temperature detection value to form temperature initial adjustment information, the current energy storage battery operation parameter information is analyzed and processed to form operation parameter influence information, and the battery core temperature equalization control information is obtained by analyzing the temperature initial adjustment information and the operation parameter influence information, so that the cooling piece is controlled to control the temperature of the energy storage battery, and the temperature equalization control accuracy of the temperature equalization system when different energy storage batteries are subjected to temperature equalization management is improved.
Optionally, the analyzing the detected value of the current energy storage battery according to the preset temperature initial adjustment analysis method to form temperature initial adjustment information includes:
according to the current energy storage battery temperature detection value and a preset ideal temperature reference value, analyzing and calculating a difference value between the current energy storage battery temperature detection value and the ideal temperature reference value and taking the difference value as a current energy storage battery temperature deviation value;
retrieving current energy storage battery working state information corresponding to the current energy storage battery detection information according to the current energy storage battery detection information;
judging whether the current working state information of the energy storage battery is preset working state reference information or not;
if so, analyzing and acquiring ideal temperature adjustment information corresponding to the current energy storage battery temperature deviation value according to the corresponding relation between the current energy storage battery temperature deviation value and preset ideal temperature adjustment information, and taking the ideal temperature adjustment information as initial temperature adjustment information;
if not, the working state temperature influence information corresponding to the current energy storage battery working state information is fetched according to the current energy storage battery working state information;
according to a preset working temperature deviation analysis method, the working state temperature influence information and the current energy storage battery temperature deviation value are analyzed and processed to form a working temperature deviation value;
According to the corresponding relation between the working temperature deviation value and the preset working temperature adjustment information, analyzing and obtaining the working temperature adjustment information corresponding to the working temperature deviation value, and taking the working temperature adjustment information as temperature initial adjustment information.
By adopting the technical scheme, the difference value between the current energy storage battery temperature detection value and the preset ideal temperature reference value is analyzed and calculated and used as the current energy storage battery temperature deviation value, the current energy storage battery working state information is obtained through the current energy storage battery detection information, whether the current energy storage battery working state information is preset working state reference information or not is judged, when the current energy storage battery working state information is preset working state reference information, the ideal temperature adjustment information is obtained through the current energy storage battery temperature deviation value analysis and used as the temperature initial adjustment information, when the current energy storage battery working state information is not the preset working state reference information, the working state temperature influence information is obtained through the current energy storage battery working state information, the working state temperature influence information and the current energy storage battery temperature deviation value are analyzed and processed through the working state temperature deviation analysis method to form the working temperature deviation value, the working temperature adjustment information is obtained through the working temperature deviation value analysis and used as the temperature initial adjustment information, so that the obtained temperature initial adjustment information is influenced by the working state, and the accuracy of the obtained temperature initial adjustment information is improved.
Optionally, the analyzing the working state temperature influence information and the current energy storage battery temperature deviation value according to the preset working temperature deviation analysis method to form the working temperature deviation value includes:
according to the working state temperature influence information, a working state temperature influence position point and a single influence position influence value corresponding to the working state temperature influence information are called;
according to the current energy storage battery temperature deviation value, a temperature deviation position point corresponding to the current energy storage battery temperature deviation value is called;
according to the working state temperature influence position point and the temperature deviation position point, analyzing and calculating a distance value between the working state temperature influence position point and the temperature deviation position point and taking the distance value as a working state influence position distance value;
according to the corresponding relation between the working state influence position distance value and the preset working state influence position distance influence value, analyzing and obtaining a working state influence position distance influence value corresponding to the working state influence position distance value;
and according to the single influence position influence value, the working state influence position distance influence value and the current energy storage battery temperature deviation value, analyzing and calculating a product value among the single influence position influence value, the working state influence position distance influence value and the current energy storage battery temperature deviation value, and taking the product value as the working temperature deviation value.
Through adopting above-mentioned technical scheme, transfer operating condition temperature influence position point and single influence position influence value through operating condition temperature influence information, transfer temperature deviation position point through current energy storage battery temperature deviation value, carry out analytical calculation and regard as operating condition influence position distance value to the distance value between operating condition temperature influence position point and the temperature deviation position point, acquire operating condition influence position distance influence value through operating condition influence position distance value analysis, carry out analytical calculation and regard as the operating temperature deviation value to the product value between single influence position influence value, operating condition influence position distance influence value and the current energy storage battery temperature deviation value, thereby make the operating temperature deviation value who obtains receive single influence position influence value simultaneously, operating condition influence position distance influence value and current energy storage battery temperature deviation value's influence, and then improve the accuracy of the operating temperature deviation value who obtains.
Optionally, the method further comprises the step of taking ideal temperature adjustment information as temperature initial adjustment information or taking operating temperature adjustment information as temperature initial adjustment information, and specifically comprises the following steps:
Retrieving a current energy storage battery use time length value corresponding to the current energy storage battery detection information according to the current energy storage battery detection information;
analyzing and acquiring the using time length influence information corresponding to the current using time length value of the energy storage battery according to the corresponding relation between the current using time length value of the energy storage battery and the preset using time length influence information;
calling a using time length influence position point corresponding to the using time length influence information according to the using time length influence information and a using time length initial influence value;
according to the temperature deviation position point and the using time length influence position point, analyzing and calculating a distance value between the temperature deviation position point and the using time length influence position point and taking the distance value as the using time length influence deviation distance value;
according to a preset using time length influence adjustment analysis method, analyzing and processing the using time length influence deviation distance value and the using time length initial influence value to form using time length influence adjustment information, and adding the using time length influence adjustment information into the temperature initial adjustment information to form new temperature initial adjustment information.
According to the technical scheme, the current energy storage battery detection information is used for adjusting the current energy storage battery use time length value, the current energy storage battery use time length value is used for analyzing to obtain the use time length influence information, the use time length influence information is used for adjusting the use time length influence position point and the use time length initial influence value, the distance value between the temperature deviation position point and the use time length influence position point is analyzed and calculated and used as the use time length influence deviation distance value, the use time length influence deviation distance value and the use time length initial influence value are analyzed and processed through the use time length influence adjustment analysis method to form the use time length influence adjustment information, the use time length influence adjustment information is added into the temperature initial adjustment information to form new temperature initial adjustment information, and therefore the accuracy of the obtained temperature initial adjustment information is improved.
Optionally, the analyzing the deviation distance value of the long-term impact and the initial impact value of the long-term impact according to the preset long-term impact adjustment analysis method to form the long-term impact adjustment information includes:
according to the long-acting deviation distance value and a preset deviation distance reference value, analyzing and calculating the difference between the long-acting deviation distance value and the deviation distance reference value and taking the difference as a distance deviation influence distance value;
according to the corresponding relation between the distance deviation influence distance value and the preset deviation distance influence value, analyzing and obtaining a deviation distance influence value corresponding to the distance deviation influence distance value;
according to the deviation distance influence value and the initial influence value of the using time length, analyzing and calculating a product value between the deviation distance influence value and the initial influence value of the using time length and taking the product value as the final influence value of the using time length;
and analyzing and acquiring the final adjustment information of the use time length corresponding to the final influence value of the use time length according to the corresponding relation between the final influence value of the use time length and the preset final adjustment information of the use time length, and taking the final adjustment information of the use time length as the adjustment information of the use time length.
Through adopting above-mentioned technical scheme, carry out analysis and calculation and regard as distance deviation influence distance value through the difference between long influence deviation distance value and the deviation distance benchmark value when using, obtain deviation distance influence value through distance deviation influence distance value analysis, carry out analysis and calculation and regard as long final influence value when using to the product value between deviation distance influence value and the long initial influence value when using again, obtain long final adjustment information when using and regard as long final influence adjustment information when using through long final influence value analysis, thereby make the long influence adjustment information when using who obtains receive the influence of deviation distance influence value and long initial influence value when using, and then improve the accuracy of long influence adjustment information when using of obtaining.
Optionally, the analyzing the current operation parameter information of the energy storage battery according to the preset operation parameter influence analysis method to form operation parameter influence information includes:
acquiring the operation parameter information of the last energy storage battery;
according to the current energy storage battery operation parameter information and the last energy storage battery operation parameter information, analyzing and obtaining deviation information between the current energy storage battery operation parameter information and the last energy storage battery operation parameter information, and taking the deviation information as operation parameter deviation information;
retrieving an operation parameter deviation position point and an operation parameter deviation value corresponding to the operation parameter deviation information according to the operation parameter deviation information;
according to the operating parameter deviation position point and the temperature deviation position point, analyzing and calculating a distance value between the operating parameter deviation position point and the temperature deviation position point and taking the distance value as an operating parameter deviation distance value;
according to the corresponding relation between the operation parameter deviation distance value and the preset operation parameter deviation distance influence value, analyzing and obtaining the operation parameter deviation distance influence value corresponding to the operation parameter deviation distance value;
according to a preset operation parameter deviation influence analysis method, analyzing and processing the operation parameter deviation value and the operation parameter deviation distance influence value to form an operation parameter deviation influence value;
According to the corresponding relation between the operation parameter deviation influence value and the preset operation parameter deviation influence information, analyzing and obtaining operation parameter deviation influence information corresponding to the operation parameter deviation influence value, and taking the operation parameter deviation influence information as operation parameter influence information.
By adopting the technical scheme, the operation parameter information of the last energy storage battery is acquired, the deviation information between the operation parameter information of the current energy storage battery and the operation parameter information of the last energy storage battery is analyzed and acquired and taken as the operation parameter deviation information, the operation parameter deviation position point and the operation parameter deviation value are acquired through the operation parameter deviation information, the distance value between the operation parameter deviation position point and the temperature deviation position point is analyzed and calculated and taken as the operation parameter deviation distance value, the operation parameter deviation distance influence value is acquired through the operation parameter deviation distance value analysis, the operation parameter deviation value and the operation parameter deviation distance influence value are analyzed and processed through the operation parameter deviation influence analysis method to form the operation parameter deviation influence value, the operation parameter deviation influence information is acquired through the operation parameter deviation influence value analysis and taken as the operation parameter influence information, and the acquired operation parameter influence information is influenced by the operation parameter deviation value and the operation parameter deviation distance influence value, and the accuracy of the acquired operation parameter influence information is improved.
Optionally, according to the preset operation parameter deviation influence analysis method, the analyzing the operation parameter deviation value and the operation parameter deviation distance influence value to form the operation parameter deviation influence value includes:
according to the corresponding relation between the operation parameter deviation value and a preset operation parameter deviation reference influence value, analyzing and obtaining an operation parameter deviation reference influence value corresponding to the operation parameter deviation value;
according to the operation parameter deviation value, the deviation parameter type information corresponding to the operation parameter deviation value is called;
analyzing and acquiring a category deviation reference interval corresponding to the category information of the deviation parameter according to the corresponding relation between the category information of the deviation parameter and a preset category deviation reference interval;
according to the operation parameter deviation value and the type deviation reference interval, analyzing and calculating a difference value between the operation parameter deviation value and the type deviation reference interval and taking the difference value as the operation parameter type reference deviation value;
analyzing and acquiring a category reference deviation influence value corresponding to the category reference deviation value of the operation parameter according to the corresponding relation between the category reference deviation value of the operation parameter and a preset category reference deviation influence value;
analyzing and calculating the operation parameter deviation reference influence value, the operation parameter deviation distance influence value and the category reference deviation influence value according to a preset operation parameter deviation influence value calculation formula to form an operation parameter deviation influence value, wherein the operation parameter deviation influence value calculation formula is that ；
Wherein,the deviation influence value of the operation parameters is used;
a weight value which is an operation parameter deviation reference influence value;
a reference impact value for the operating parameter deviation;
a weight value which is an influence value of the deviation distance of the operation parameter;
the deviation distance influence value is an operation parameter;
a weight value which is a category reference deviation influence value;
the deviation influence value is a category reference deviation;
，/>。
by adopting the technical scheme, the operation parameter deviation reference influence value is obtained through operation parameter deviation value analysis, deviation parameter type information is called through the operation parameter deviation value, the type deviation reference interval is obtained through deviation parameter type information analysis, the difference between the operation parameter deviation value and the type deviation reference interval is analyzed and calculated and used as the operation parameter type reference deviation value, the type reference deviation influence value is obtained through operation parameter type reference deviation value analysis, and the operation parameter deviation reference influence value, the operation parameter deviation distance influence value and the type reference deviation influence value are analyzed and calculated through an operation parameter deviation influence value calculation formula to form the operation parameter deviation influence value, so that the accuracy of the obtained operation parameter deviation influence value is improved.
Optionally, the method further comprises the step of taking the operating parameter deviation influence information as the operating parameter influence information, and specifically comprises the following steps:
judging whether the deviation distance influence value of the operation parameter is smaller than a preset distance reference influence value or not;
if yes, continuing to output the operation parameter influence information;
if not, analyzing and calculating a difference value between the operating parameter deviation distance influence value and the distance reference influence value according to the operating parameter deviation distance influence value and the distance reference influence value, and taking the difference value as a distance influence deviation value;
according to the corresponding relation between the distance influence deviation value and the preset detection temperature influence adjustment information, analyzing and obtaining detection temperature influence adjustment information corresponding to the distance influence deviation value, and adding the detection temperature influence adjustment information to the operation parameter influence information to form new operation parameter influence information.
By adopting the technical scheme, whether the operating parameter deviation distance influence value is larger than the preset distance reference influence value is judged, when the operating parameter deviation distance influence value is smaller than the preset distance reference influence value, the operating parameter influence information is continuously output, when the operating parameter deviation distance influence value is not smaller than the preset distance reference influence value, the difference value between the operating parameter deviation distance influence value and the distance reference influence value is analyzed and calculated and used as the distance influence deviation value, the detected temperature influence adjustment information is obtained through the analysis of the distance influence deviation value, and the detected temperature influence adjustment information is added to the operating parameter influence information to form new operating parameter influence information, so that the obtained operating parameter influence information is influenced by the operating parameter deviation distance influence value, and the accuracy of the obtained operating parameter influence information is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the control part is used for receiving the current energy storage battery detection information and analyzing and processing by adopting a configured battery core temperature uniformity control strategy, the current energy storage battery detection information is used for adjusting the current energy storage battery temperature detection value and the current energy storage battery operation parameter information, the current energy storage battery temperature detection value is respectively analyzed and processed to form temperature initial adjustment information, the current energy storage battery operation parameter information is analyzed and processed to form operation parameter influence information, and the battery core temperature uniformity control information is obtained through the analysis of the temperature initial adjustment information and the operation parameter influence information, so that the cooling part is controlled to control the temperature of the energy storage battery, and the temperature uniformity control accuracy of a temperature uniformity system when different energy storage batteries are subjected to temperature uniformity management is improved;
2. analyzing and calculating the difference value between the current energy storage battery temperature detection value and a preset ideal temperature reference value and taking the difference value as a current energy storage battery temperature deviation value, adjusting the current energy storage battery working state information through the current energy storage battery detection information, judging whether the current energy storage battery working state information is the preset working state reference information or not, analyzing and acquiring ideal temperature adjustment information through the current energy storage battery temperature deviation value and taking the ideal temperature adjustment information as temperature initial adjustment information when the current energy storage battery working state information is the preset working state reference information, adjusting the working state temperature influence information through the current energy storage battery working state information when the current energy storage battery temperature deviation information is not the preset working state reference information, analyzing and processing the working state temperature influence information and the current energy storage battery temperature deviation value through a working temperature deviation analysis method to form a working temperature deviation value, analyzing and acquiring the working temperature adjustment information through the working temperature deviation value and taking the working temperature initial adjustment information as temperature initial adjustment information, and accordingly enabling the acquired temperature initial adjustment information to be influenced by the working state, and further improving the accuracy of the acquired temperature initial adjustment information;
3. The working state temperature influence information is used for calling the working state temperature influence position point and the single influence position influence value, the current energy storage battery temperature deviation value is used for calling the temperature deviation position point, the distance value between the working state temperature influence position point and the temperature deviation position point is analyzed and calculated and used as the working state influence position distance value, the working state influence position distance value is obtained through working state influence position distance value analysis, the product value among the single influence position influence value, the working state influence position distance influence value and the current energy storage battery temperature deviation value is analyzed and calculated and used as the working temperature deviation value, and therefore the obtained working temperature deviation value is influenced by the single influence position influence value, the working state influence position distance influence value and the current energy storage battery temperature deviation value, and the accuracy of the obtained working temperature deviation value is improved.
Drawings
Fig. 1 is a system flow chart of the temperature equalization of the battery cells of the energy storage battery according to the embodiment of the application;
FIG. 2 is a flow chart of a method of a cell temperature control strategy according to an embodiment of the present application;
FIG. 3 is a flowchart of a method for analyzing a detected value of a current energy storage battery according to a preset temperature initial adjustment analysis method to form temperature initial adjustment information according to an embodiment of the present application;
FIG. 4 is a flowchart illustrating a method for analyzing and processing the operating state temperature influence information and the current energy storage battery temperature deviation value according to the preset operating temperature deviation analysis method to form an operating temperature deviation value according to an embodiment of the present application;
FIG. 5 is a flowchart of a method of an embodiment of the present application following a desired temperature adjustment information as temperature initial adjustment information or following an operating temperature adjustment information as temperature initial adjustment information;
FIG. 6 is a flowchart of a method for analyzing a deviation distance value of a long-time-of-use effect and an initial impact value of a long-time-of-use effect according to a preset long-time-of-use effect adjustment analysis method to form long-time-of-use effect adjustment information according to an embodiment of the present application;
FIG. 7 is a flowchart of a method for analyzing current energy storage battery operating parameter information to form operating parameter impact information according to a preset operating parameter impact analysis method in accordance with an embodiment of the present application;
FIG. 8 is a flowchart of a method for analyzing an operating parameter bias effect value and an operating parameter bias distance effect value to form an operating parameter bias effect value according to a preset operating parameter bias effect analysis method according to an embodiment of the present application;
Fig. 9 is a method flowchart of steps following an embodiment of the present application having operating parameter deviation effect information as operating parameter effect information.
Reference numerals illustrate: 1. a cooling member; 2. a detecting member; 3. and (5) a control member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to fig. 1 to 9 and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
The embodiment of the application discloses an energy storage battery cell temperature equalizing system.
Referring to fig. 1, an energy storage battery cell temperature equalizing system includes a cooling member 1, a detecting member 2 and a control member 3, wherein the detecting member 2 is used for obtaining current energy storage battery detection information, and the detecting member 2 includes an operation parameter detecting device for connecting with an energy storage battery to read operation parameters of the energy storage battery and a temperature detecting device for detecting the temperature of the energy storage battery. The control piece 3 is connected with the detection piece 2, the control piece 3 receives the current energy storage battery detection information output by the detection piece 2 and analyzes and processes the current energy storage battery detection information by adopting a configured battery core temperature-equalizing control strategy to form battery core temperature-equalizing control information, the cooling piece 1 is arranged on the energy storage battery and connected with the control piece 3 to receive the battery core temperature-equalizing control information output by the control piece 3, and the cooling piece 1 executes the battery core temperature-equalizing control information so as to be used for cooling the energy storage battery. The cooling element 1 is a water-cooled or air-cooled cooling device.
Referring to fig. 2, the cell temperature control strategy includes:
step S100: and acquiring current detection information of the energy storage battery.
The current energy storage battery detection information refers to detection information for detecting the energy storage battery at the current time, and the current energy storage battery detection information is obtained through detection by the detection piece.
Step S200: and retrieving the current energy storage battery temperature detection value corresponding to the current energy storage battery detection information and the current energy storage battery operation parameter information according to the current energy storage battery detection information.
The current energy storage battery temperature detection value refers to a temperature detection value for detecting the temperature of the energy storage battery at the current time, and the current energy storage battery temperature detection value is obtained by inquiring a database storing the current energy storage battery temperature detection value. The current energy storage battery operation parameter information refers to operation parameter information for detecting the operation parameters of the energy storage battery at the current time, and the current energy storage battery operation parameter information is obtained by inquiring from a database storing the current energy storage battery operation parameter information.
Step S300: and analyzing the detected value of the current energy storage battery temperature according to a preset temperature initial adjustment analysis method to form temperature initial adjustment information.
The temperature initial adjustment information is initial adjustment information for adjusting the temperature of the energy storage battery, the temperature initial adjustment analysis method is an analysis method for analyzing the temperature initial adjustment information, and the temperature initial adjustment analysis method is obtained by inquiring a database storing the temperature initial adjustment analysis method.
And analyzing and processing the temperature detection value of the current energy storage battery by a temperature initial adjustment analysis method, so that temperature initial adjustment information is formed, and the subsequent use of the temperature initial adjustment information is facilitated.
Step S400: according to a preset operation parameter influence analysis method, the operation parameter information of the current energy storage battery is analyzed and processed to form operation parameter influence information.
The operation parameter influence information refers to influence information when the operation parameters of the energy storage battery at the current time influence the temperature, the operation parameter influence analysis method refers to an analysis method for analyzing the operation parameter influence information, and the operation parameter influence analysis method is obtained by inquiring a database storing the operation parameter influence analysis method.
And the operation parameter influence analysis method is used for analyzing and processing the operation parameter information of the current energy storage battery, so that the operation parameter influence information is formed, and the operation parameter influence information is convenient to use subsequently.
Step S500: and according to the corresponding relation between the temperature initial adjustment information, the operation parameter influence information and the preset battery cell temperature equalization control information, analyzing and obtaining the battery cell temperature equalization control information corresponding to the temperature initial adjustment information and the operation parameter influence information, and outputting the battery cell temperature equalization control information.
The battery core temperature-equalizing control information is control information for controlling the temperature equalizing of the battery core of the energy storage battery, and the battery core temperature-equalizing control information is obtained by inquiring a database storing the battery core temperature-equalizing control information.
The battery core temperature-equalizing control information is obtained through temperature initial adjustment information and operation parameter influence information analysis, and the battery core temperature-equalizing control information is output, so that the cooling piece 1 is controlled to control the temperature of the energy storage battery, and the temperature-equalizing control accuracy of the temperature-equalizing system when different energy storage batteries are subjected to temperature-equalizing management is improved.
In step S300 shown in fig. 2, in order to further ensure the rationality of the temperature initial adjustment information, further separate analysis calculation of the temperature initial adjustment information is required, specifically, the detailed description will be given by the steps shown in fig. 3.
Referring to fig. 3, the analysis process of the detected value of the current energy storage battery temperature according to the preset temperature initial adjustment analysis method to form temperature initial adjustment information includes the following steps:
Step S310: and according to the current energy storage battery temperature detection value and a preset ideal temperature reference value, analyzing and calculating the difference value between the current energy storage battery temperature detection value and the ideal temperature reference value, and taking the difference value as the current energy storage battery temperature deviation value.
The ideal temperature reference value refers to a reference temperature value of the energy storage battery in an ideal state, and the ideal temperature reference value is obtained by inquiring a database storing the ideal temperature reference value. The current energy storage battery temperature deviation value refers to a deviation temperature value when the temperature of the energy storage battery at the current time is deviated.
And analyzing and calculating the difference value between the current energy storage battery temperature detection value and the ideal temperature reference value through the current energy storage battery temperature detection value and the preset ideal temperature reference value and taking the difference value as the current energy storage battery temperature deviation value, so that the current energy storage battery temperature deviation value can be conveniently used later.
Step S320: and retrieving the current energy storage battery working state information corresponding to the current energy storage battery detection information according to the current energy storage battery detection information.
The current energy storage battery working state information is working state information used for indicating the working state of the energy storage battery at the current time, and the current energy storage battery working state information is obtained by inquiring a database storing the current energy storage battery working state information.
The current energy storage battery working state information is called through the current energy storage battery detection information, so that the current energy storage battery working state information can be conveniently and subsequently obtained.
Step S330: and judging whether the current working state information of the energy storage battery is preset working state reference information or not. If yes, go to step S340; if not, step S350 is performed.
The working state reference information is reference working state information used for indicating that the energy storage battery at the current time does not work, and the working state reference information is obtained by inquiring from a database storing the working state reference information.
And judging whether the current working state information of the energy storage battery is preset working state reference information or not, so as to judge whether the energy storage battery at the current time works or not.
Step S340: and analyzing and acquiring ideal temperature adjustment information corresponding to the current energy storage battery temperature deviation value according to the corresponding relation between the current energy storage battery temperature deviation value and preset ideal temperature adjustment information, and taking the ideal temperature adjustment information as initial temperature adjustment information.
The ideal temperature adjustment information is control information for controlling the temperature adjustment of the energy storage battery to an ideal temperature, and the ideal temperature adjustment information is obtained by inquiring from a database storing the ideal temperature adjustment information.
If the current energy storage battery working state information is the preset working state reference information, the fact that the energy storage battery at the current time does not work at the moment is indicated, so that ideal temperature adjustment information is obtained through analysis of the current energy storage battery temperature deviation value, and the ideal temperature adjustment information is used as temperature initial adjustment information.
Step S350: and retrieving working state temperature influence information corresponding to the current energy storage battery working state information according to the current energy storage battery working state information.
The working state temperature influence information is influence information for indicating that the working state of the energy storage battery at the current time has influence on the ideal temperature, and the working state temperature influence information is obtained by inquiring from a database storing the working state temperature influence information.
If the current energy storage battery working state information is not the preset working state reference information, the operation of the energy storage battery at the current time is indicated, so that the working state temperature influence information is called through the current energy storage battery working state information, and the follow-up use of the working state temperature influence information is facilitated.
Step S360: according to a preset working temperature deviation analysis method, the working state temperature influence information and the current energy storage battery temperature deviation value are analyzed and processed to form a working temperature deviation value.
The working temperature deviation value is a deviation value for indicating the actual temperature caused by the working state of the energy storage battery at the current time, the working temperature deviation analysis method is an analysis method for analyzing the working temperature deviation value, and the working temperature deviation analysis method is obtained by inquiring a database storing the working temperature deviation analysis method.
And the working state temperature influence information and the current energy storage battery temperature deviation value are analyzed and processed through the working temperature deviation analysis method, so that the working temperature deviation value is formed, and the working temperature deviation value is convenient to use subsequently.
Step S370: according to the corresponding relation between the working temperature deviation value and the preset working temperature adjustment information, analyzing and obtaining the working temperature adjustment information corresponding to the working temperature deviation value, and taking the working temperature adjustment information as temperature initial adjustment information.
The operating temperature adjustment information is control information for controlling adjustment of an operating temperature deviation value generated in the energy storage battery, and the operating temperature adjustment information is obtained by inquiring a database storing the operating temperature adjustment information.
And acquiring the working temperature adjustment information through the analysis of the working temperature deviation value, and taking the working temperature adjustment information as the temperature initial adjustment information, so that the acquired temperature initial adjustment information is influenced by the working state of the energy storage battery, and the accuracy of the acquired temperature initial adjustment information is improved.
In step S360 shown in fig. 3, in order to further ensure the rationality of the operating temperature deviation value, further individual analysis and calculation of the operating temperature deviation value is required, specifically, the steps shown in fig. 4 are described in detail.
Referring to fig. 4, according to a preset working temperature deviation analysis method, the method for analyzing the working state temperature influence information and the current energy storage battery temperature deviation value to form the working temperature deviation value includes the following steps:
step S361: and calling the operating state temperature influence position point and the single influence position influence value corresponding to the operating state temperature influence information according to the operating state temperature influence information.
The working state temperature influence position point is a position point used for indicating that the working state of the energy storage battery at the current time influences the ideal temperature, and the working state temperature influence position point is obtained by inquiring a database storing the working state temperature influence position point. The single influence position influence value refers to an influence degree value for indicating that the working state of the energy storage battery at the current time affects the ideal temperature, and the single influence position influence value is obtained by inquiring a database storing the single influence position influence value.
The operating state temperature influence position point and the single influence position influence value are called through the operating state temperature influence information, so that the operating state temperature influence position point and the single influence position influence value are convenient to use.
Step S362: and according to the current energy storage battery temperature deviation value, a temperature deviation position point corresponding to the current energy storage battery temperature deviation value is called.
The temperature deviation position points refer to position points with deviation of the temperature of the energy storage battery at the current time, and the temperature deviation position points are inquired and obtained from a database storing the temperature deviation position points.
The temperature deviation position point is adjusted through the current temperature deviation value of the energy storage battery, so that the temperature deviation position point is convenient to use subsequently.
Step S363: according to the working state temperature influence position point and the temperature deviation position point, analyzing and calculating a distance value between the working state temperature influence position point and the temperature deviation position point and taking the distance value as a working state influence position distance value.
The operating state influence position distance value refers to a distance value between a position influenced by the operating state and a temperature deviation position. Through operating condition temperature influence position point and temperature deviation position point, carry out analysis calculation to the distance value between operating condition temperature influence position point and the temperature deviation position point to regard as operating condition influence position distance value with the distance value between operating condition temperature influence position point and the temperature deviation position point, thereby the follow-up is used to operating condition influence position distance value conveniently.
Step S364: and analyzing and acquiring the working state influence position distance influence value corresponding to the working state influence position distance value according to the corresponding relation between the working state influence position distance value and the preset working state influence position distance influence value.
The working state influence position distance influence value is an influence degree value for indicating influence of the working state influence position distance value, and the working state influence position distance influence value is obtained by inquiring a database storing the working state influence position distance influence value.
And the working state influence position distance influence value is obtained through analysis of the working state influence position distance value, so that the subsequent use of the working state influence position distance influence value is facilitated.
Step S365: and according to the single influence position influence value, the working state influence position distance influence value and the current energy storage battery temperature deviation value, analyzing and calculating a product value among the single influence position influence value, the working state influence position distance influence value and the current energy storage battery temperature deviation value, and taking the product value as the working temperature deviation value.
The working temperature deviation value refers to a temperature deviation value after the influence on the energy storage battery is generated due to the working state, the product value among the single influence position influence value, the working state influence position distance influence value and the current energy storage battery temperature deviation value is analyzed and calculated through the single influence position influence value, the working state influence position distance influence value and the current energy storage battery temperature deviation value, and the product value among the single influence position influence value, the working state influence position distance influence value and the current energy storage battery temperature deviation value is used as the working temperature deviation value, so that the acquired working temperature deviation value is influenced by the single influence position influence value and the working state influence position distance influence value, and the accuracy of the acquired working temperature deviation value is improved.
After step S340 or step S370 shown in fig. 3, in order to further secure the rationality of the temperature initial adjustment information, further separate analysis and calculation of the temperature initial adjustment information is required, specifically, the steps shown in fig. 5 will be described in detail.
Referring to fig. 5, the step of taking the ideal temperature adjustment information as the temperature initial adjustment information or the operating temperature adjustment information as the temperature initial adjustment information includes the steps of:
step S341: and retrieving the current energy storage battery use time length value corresponding to the current energy storage battery detection information according to the current energy storage battery detection information.
The current energy storage battery use duration value refers to a duration value used for indicating the use of the energy storage battery at the current time, and the current energy storage battery use duration value is obtained by inquiring a database storing the current energy storage battery use duration value.
The current energy storage battery using time length value is adjusted through the current energy storage battery detection information, so that the current energy storage battery using time length value is convenient to use in the follow-up process.
Step S342: and analyzing and acquiring the using time length influence information corresponding to the current using time length value of the energy storage battery according to the corresponding relation between the current using time length value of the energy storage battery and the preset using time length influence information.
The usage time period influence information is influence information for indicating that the usage time period has an influence, and the usage time period influence information is obtained by searching a database storing the usage time period influence information.
And the using time length influence information is obtained through analyzing the using time length value of the current energy storage battery, so that the using time length influence information is convenient to use subsequently.
Step S343: and calling the using time length influence position point and the using time length initial influence value corresponding to the using time length influence information according to the using time length influence information.
The long-time-of-use influence location point is a location point where the long-time-of-use influence is located, and the long-time-of-use influence location point is obtained by inquiring a database storing the long-time-of-use influence location point. The usage time period initial influence value is an initial influence degree value indicating that the usage time period has an influence, and the usage time period initial influence value is obtained by searching a database storing the usage time period initial influence value.
The using time length influence position point and the using time length initial influence value are called through the using time length influence information, so that the using time length influence position point and the using time length initial influence value can be conveniently used subsequently.
Step S344: and according to the temperature deviation position point and the using time length influence position point, analyzing and calculating a distance value between the temperature deviation position point and the using time length influence position point and taking the distance value as the using time length influence deviation distance value.
The long-time-of-use influence deviation distance value is a distance value between a position where the long-time-of-use influence position is deviated from the temperature, the distance value between the temperature deviation position point and the long-time-of-use influence position point is analyzed and calculated through the temperature deviation position point and the long-time-of-use influence position point, and the distance value between the temperature deviation position point and the long-time-of-use influence position point is used as the long-time-of-use influence deviation distance value, so that the long-time-of-use influence deviation distance value is convenient to use subsequently.
Step S345: according to a preset using time length influence adjustment analysis method, analyzing and processing the using time length influence deviation distance value and the using time length initial influence value to form using time length influence adjustment information, and adding the using time length influence adjustment information into the temperature initial adjustment information to form new temperature initial adjustment information.
The long-time-use-period-influence adjustment information is adjustment information for adjusting the long-time-use-period-influence, the long-time-use-influence adjustment analysis method is an analysis method for analyzing the long-time-use-influence adjustment information, and the long-time-use-influence adjustment analysis method is obtained by querying a database storing the long-time-use-influence adjustment analysis method.
Analyzing and processing the deviation distance value of the using time length influence and the initial influence value of the using time length by using a time length influence adjustment analysis method, so that using time length influence adjustment information is formed, the using time length influence adjustment information is added into the temperature initial adjustment information to form new temperature initial adjustment information, the acquired temperature initial adjustment information is influenced by the using time length, and the accuracy of the acquired temperature initial adjustment information is improved.
In step S345 shown in fig. 5, in order to further secure the rationality of the usage time length effect adjustment information, further individual analysis calculation of the usage time length effect adjustment information is required, and specifically, the steps shown in fig. 6 will be described in detail.
Referring to fig. 6, according to a preset usage time length effect adjustment analysis method, to analyze a usage time length effect deviation distance value and a usage time length initial effect value to form usage time length effect adjustment information, the method includes the steps of:
step S3451: according to the long-acting deviation distance value and a preset deviation distance reference value, the difference value between the long-acting deviation distance value and the deviation distance reference value is analyzed and calculated, and the difference value is used as a distance deviation influence distance value.
The deviation distance reference value is a reference distance value which is used for indicating tolerance between a position with deviation between a time-consuming influence position and a temperature, and is obtained by inquiring a database storing the deviation distance reference value.
The difference value between the long-acting deviation distance value and the deviation distance reference value is analyzed and calculated through the long-acting deviation distance value and the preset deviation distance reference value, and the difference value between the long-acting deviation distance value and the deviation distance reference value is used as the distance deviation influence distance value, so that the follow-up use of the distance deviation influence distance value is facilitated.
Step S3452: and analyzing and obtaining a deviation distance influence value corresponding to the distance deviation influence distance value according to the corresponding relation between the distance deviation influence distance value and the preset deviation distance influence value.
The offset distance influence value is an influence degree value for indicating influence of the distance offset influence distance value, and the offset distance influence value is obtained by inquiring a database storing the offset distance influence value.
And the deviation distance influence value is obtained through analysis of the distance deviation influence distance value, so that the follow-up use of the deviation distance influence value is facilitated.
Step S3453: and according to the deviation distance influence value and the initial influence value of the using time length, analyzing and calculating a product value between the deviation distance influence value and the initial influence value of the using time length and taking the product value as the final influence value of the using time length.
The final influence value of the use time length refers to a final influence degree value influenced by the use time length, the product value between the deviation distance influence value and the initial influence value of the use time length is analyzed and calculated through the deviation distance influence value and the initial influence value of the use time length, and the product value between the deviation distance influence value and the initial influence value of the use time length is used as the final influence value of the use time length, so that the subsequent use of the final influence value of the use time length is facilitated.
Step S3454: and analyzing and acquiring the final adjustment information of the use time length corresponding to the final influence value of the use time length according to the corresponding relation between the final influence value of the use time length and the preset final adjustment information of the use time length, and taking the final adjustment information of the use time length as the adjustment information of the use time length.
The use time length final adjustment information is control information for controlling adjustment that affects the use time length, and the use time length final adjustment information is obtained by searching from a database storing the use time length final adjustment information.
The final use time length adjustment information is obtained through analysis of the final use time length influence value, and the final use time length adjustment information is used as the final use time length influence adjustment information, so that the obtained final use time length influence adjustment information is influenced by the initial use time length influence value, the final use time length influence adjustment information is influenced by the deviation distance influence value, and the accuracy of the obtained final use time length influence adjustment information is improved.
In step S400 shown in fig. 2, in order to further ensure the rationality of the operation parameter influence information, further individual analysis calculation of the operation parameter influence information is required, and specifically, the detailed description will be given by the steps shown in fig. 7.
Referring to fig. 7, according to a preset operation parameter influence analysis method, the analysis processing of the current operation parameter information of the energy storage battery to form operation parameter influence information includes the steps of:
step S410: and acquiring the operation parameter information of the last energy storage battery.
The last energy storage battery operation parameter information is operation parameter information for indicating parameters in the operation process of the last used energy storage battery, and the last energy storage battery operation parameter information is obtained by inquiring a database storing the last energy storage battery operation parameter information.
Step S420: and analyzing and acquiring deviation information between the current energy storage battery operation parameter information and the last energy storage battery operation parameter information according to the current energy storage battery operation parameter information and the last energy storage battery operation parameter information, and taking the deviation information as operation parameter deviation information.
The operation parameter deviation information is used for indicating deviation information between the operation parameters of the current time energy storage battery and the operation parameters of the last energy storage battery, the operation parameter information of the current energy storage battery and the operation parameter information of the last energy storage battery are analyzed and obtained through the operation parameter information of the current energy storage battery and the operation parameter information of the last energy storage battery, and the deviation information between the operation parameter information of the current energy storage battery and the operation parameter information of the last energy storage battery is used as the operation parameter deviation information, so that the follow-up operation of the operation parameter deviation information is convenient.
Step S430: and retrieving an operation parameter deviation position point and an operation parameter deviation value corresponding to the operation parameter deviation information according to the operation parameter deviation information.
The operation parameter deviation position points are position points used for indicating influence positions caused by deviation of operation parameters, and the operation parameter deviation position points are obtained by inquiring a database storing the operation parameter deviation position points. The operating parameter deviation value refers to a deviation value indicating that there is a deviation in the operating parameter.
The operating parameter deviation position point and the operating parameter deviation value are called through the operating parameter deviation information, so that the operating parameter deviation position point and the operating parameter deviation value are convenient to use in the follow-up process.
Step S440: and according to the operating parameter deviation position point and the temperature deviation position point, analyzing and calculating a distance value between the operating parameter deviation position point and the temperature deviation position point and taking the distance value as an operating parameter deviation distance value.
The operating parameter deviation distance value is a distance value used for indicating a position where the deviation between the position and the temperature is caused when the operating parameter is deviated, the distance value between the operating parameter deviation position point and the temperature deviation position point is analyzed and calculated through the operating parameter deviation position point and the temperature deviation position point, and the distance value between the operating parameter deviation position point and the temperature deviation position point is used as the operating parameter deviation distance value, so that the operating parameter deviation distance value can be conveniently used later.
Step S450: and analyzing and acquiring the operation parameter deviation distance influence value corresponding to the operation parameter deviation distance value according to the corresponding relation between the operation parameter deviation distance value and the preset operation parameter deviation distance influence value.
The operating parameter deviation distance influence value is an influence degree value for indicating influence of the operating parameter deviation distance value, and the operating parameter deviation distance influence value is obtained by inquiring a database storing the operating parameter deviation distance influence value.
And the operating parameter deviation distance influence value is obtained through the operating parameter deviation distance value analysis, so that the subsequent use of the operating parameter deviation distance influence value is convenient.
Step S460: according to a preset operation parameter deviation influence analysis method, the operation parameter deviation value and the operation parameter deviation distance influence value are analyzed and processed to form the operation parameter deviation influence value.
The operation parameter deviation influence value is an influence degree value for indicating that the operation parameter has deviation to generate influence, the operation parameter deviation influence analysis method is an analysis method for indicating the operation parameter deviation influence value to analyze, and the operation parameter deviation influence analysis method is obtained by inquiring a database storing the operation parameter deviation influence analysis method.
And the operation parameter deviation influence analysis method is used for analyzing and processing the operation parameter deviation value and the operation parameter deviation distance influence value, so that the operation parameter deviation influence value is formed, and the operation parameter deviation influence value is convenient to use subsequently.
Step S470: according to the corresponding relation between the operation parameter deviation influence value and the preset operation parameter deviation influence information, analyzing and obtaining operation parameter deviation influence information corresponding to the operation parameter deviation influence value, and taking the operation parameter deviation influence information as operation parameter influence information.
The operating parameter deviation influence information is influence information for indicating that the operating parameter is deviated to generate influence, and the operating parameter deviation influence information is inquired and obtained from a database storing the operating parameter deviation influence information.
And acquiring the operation parameter deviation influence information through analysis of the operation parameter deviation influence value, and taking the operation parameter deviation influence information as the operation parameter influence information, so that the accuracy of the acquired operation parameter influence information is improved.
In step S460 shown in fig. 7, in order to further secure the rationality of the operation parameter deviation influence value, further individual analysis calculation of the operation parameter deviation influence value is required, specifically, the detailed description will be given by the steps shown in fig. 8.
Referring to fig. 8, according to a preset operation parameter deviation influence analysis method, the method for analyzing the operation parameter deviation value and the operation parameter deviation distance influence value to form the operation parameter deviation influence value includes the following steps:
Step S461: and analyzing and acquiring the operation parameter deviation reference influence value corresponding to the operation parameter deviation value according to the corresponding relation between the operation parameter deviation value and the preset operation parameter deviation reference influence value.
The operation parameter deviation reference influence value refers to a reference influence degree value for indicating influence generated when the operation parameter is deviated, and the operation parameter deviation reference influence value is obtained by inquiring a database storing the operation parameter deviation reference influence value.
And acquiring an operation parameter deviation reference influence value through operation parameter deviation value analysis, so that the operation parameter deviation reference influence value is convenient to use later.
Step S462: and calling deviation parameter type information corresponding to the operation parameter deviation value according to the operation parameter deviation value.
The deviation parameter type information is parameter type information for indicating that the operation parameter has deviation, and the deviation parameter type information is obtained by inquiring a database storing the deviation parameter type information.
The deviation parameter type information is called through the operation parameter deviation value, so that the follow-up use of the deviation parameter type information is facilitated.
Step S463: and analyzing and acquiring a type deviation reference section corresponding to the deviation parameter type information according to the corresponding relation between the deviation parameter type information and the preset type deviation reference section.
The type deviation reference section refers to a reference deviation section which indicates a tolerance of a parameter type when the operation parameter is deviated, and is obtained by searching a database storing the type deviation reference section.
And obtaining a category deviation reference interval through analysis of the category information of the deviation parameter, so that the category deviation reference interval is convenient to use subsequently.
Step S464: and according to the operation parameter deviation value and the type deviation reference interval, analyzing and calculating a difference value between the operation parameter deviation value and the type deviation reference interval and taking the difference value as the operation parameter type reference deviation value.
The operation parameter type reference deviation value is used for indicating the deviation between the operation parameter of the type and the reference interval, the difference between the operation parameter deviation value and the type deviation reference interval is analyzed and calculated through the operation parameter deviation value and the type deviation reference interval, and the difference between the operation parameter deviation value and the type deviation reference interval is used as the operation parameter type reference deviation value, so that the operation parameter type reference deviation value can be conveniently used subsequently.
Step S465: and analyzing and acquiring the category reference deviation influence value corresponding to the category reference deviation value of the operation parameter according to the corresponding relation between the category reference deviation value of the operation parameter and the preset category reference deviation influence value.
The category reference deviation influence value is an influence degree value indicating that the category reference deviation influence value of the operation parameter has an influence, and is obtained by searching a database storing the category reference deviation influence value.
And obtaining the category reference deviation influence value through the analysis of the operation parameter category reference deviation value, so that the category reference deviation influence value is convenient to use subsequently.
Step S466: according to a preset operation parameter deviation influence value calculation formula, the operation parameter deviation reference influence value, the operation parameter deviation distance influence value and the type reference deviation influence value are analyzed and calculated to form the operation parameter deviation influence value.
The operation parameter deviation influence value calculation formula refers to a calculation formula for analyzing and calculating an operation parameter deviation influence value, and the operation parameter deviation influence value calculation formula is obtained by inquiring a database storing the operation parameter deviation influence value calculation formula. The operation parameter deviation influence value is calculated as follows，/>For the operating parameter deviation influencing value, +.>Weight value for the reference influence value of the deviation of the operating parameter, +.>For the operating parameter deviation reference influencing value, +.>Weight value for the influence value of the deviation distance of the operating parameter, +. >For the operating parameter deviation distance influencing value, +.>Weight value for class reference deviation influencing value, < ->For the category reference deviation influencing value, +.>，/>。
For example, when，/>，/>，/>，/>，/>At this time, the operating parameter deviation influence value +.>。
After step S470 shown in fig. 7, in order to further ensure the rationality of the operation parameter influence information, further separate analysis calculation of the operation parameter influence information is required, specifically, the detailed description will be given by the steps shown in fig. 9.
Referring to fig. 9, the steps after having the operating parameter deviation influence information as the operating parameter influence information include the steps of:
step S471: and judging whether the deviation distance influence value of the operation parameters is smaller than a preset distance reference influence value. If yes, go to step S472; if not, step S473 is executed.
The distance reference influence value refers to a reference influence degree value for indicating influence of the deviation distance value of the operation parameter, and the distance reference influence value is obtained by inquiring from a database storing the distance reference influence value.
And judging whether the influence of the deviation distance value of the operation parameter exceeds the influence of the reference by judging whether the influence of the deviation distance value of the operation parameter is larger than the preset distance reference influence value.
Step S472: and continuously outputting the operation parameter influence information.
When the operating parameter deviation distance influence value is smaller than the preset distance reference influence value, the influence generated by the operating parameter deviation distance value is not more than the reference influence, so that the operating parameter influence information is continuously output.
Step S473: and according to the operating parameter deviation distance influence value and the distance reference influence value, analyzing and calculating a difference value between the operating parameter deviation distance influence value and the distance reference influence value and taking the difference value as the distance influence deviation value.
The distance influence deviation value is used for indicating that the influence generated by the operation parameter deviation distance value exceeds the reference influence.
When the operating parameter deviation distance influence value is not smaller than the preset distance reference influence value, the influence that the operating parameter deviation distance value generates exceeds the reference is described, so that the difference between the operating parameter deviation distance influence value and the distance reference influence value is analyzed and calculated through the operating parameter deviation distance influence value and the distance reference influence value, and the difference between the operating parameter deviation distance influence value and the distance reference influence value is used as the distance influence deviation value, so that the subsequent use of the distance influence deviation value is facilitated.
Step S474: according to the corresponding relation between the distance influence deviation value and the preset detection temperature influence adjustment information, analyzing and obtaining detection temperature influence adjustment information corresponding to the distance influence deviation value, and adding the detection temperature influence adjustment information to the operation parameter influence information to form new operation parameter influence information.
The detected temperature influence adjustment information is control information for controlling adjustment of the influence of the distance influence deviation value on the detected temperature, and the detected temperature influence adjustment information is obtained by searching a database storing the detected temperature influence adjustment information.
And acquiring the detected temperature influence adjustment information through the distance influence deviation value analysis, and adding the detected temperature influence adjustment information into the operation parameter influence information to form new operation parameter influence information, so that the accuracy of the acquired operation parameter influence information is improved.
The foregoing description of the preferred embodiments of the present application is not intended to limit the scope of the application, in which any feature disclosed in this specification (including abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

Claims (8)

1. The battery cell temperature equalizing system of the energy storage battery is characterized by comprising a cooling piece (1), a detecting piece (2) and a control piece (3), wherein the detecting piece (2) is used for acquiring current detection information of the energy storage battery, the cooling piece (1) is used for cooling the energy storage battery, the control piece (3) is connected with the detecting piece (2) to receive the current detection information of the energy storage battery and adopts a configured battery cell temperature equalizing control strategy to analyze and process so as to form battery cell temperature equalizing control information, and the cooling piece (1) is arranged on the energy storage battery and is connected with the control piece (3) to receive and execute the battery cell temperature equalizing control information;
the battery cell temperature equalization control strategy comprises the following steps:
acquiring current energy storage battery detection information;
retrieving a current energy storage battery temperature detection value corresponding to the current energy storage battery detection information and current energy storage battery operation parameter information according to the current energy storage battery detection information;
analyzing the detected value of the current energy storage battery temperature according to a preset temperature initial adjustment analysis method to form temperature initial adjustment information;
analyzing and processing the current energy storage battery operation parameter information according to a preset operation parameter influence analysis method to form operation parameter influence information;
And according to the corresponding relation between the temperature initial adjustment information, the operation parameter influence information and the preset battery cell temperature equalization control information, analyzing and obtaining the battery cell temperature equalization control information corresponding to the temperature initial adjustment information and the operation parameter influence information, and outputting the battery cell temperature equalization control information.
2. The energy storage battery cell temperature equalizing system according to claim 1, wherein the analyzing the detected value of the current energy storage battery temperature according to the preset temperature initial adjustment analysis method to form the temperature initial adjustment information comprises:
according to the current energy storage battery temperature detection value and a preset ideal temperature reference value, analyzing and calculating a difference value between the current energy storage battery temperature detection value and the ideal temperature reference value and taking the difference value as a current energy storage battery temperature deviation value;
retrieving current energy storage battery working state information corresponding to the current energy storage battery detection information according to the current energy storage battery detection information;
judging whether the current working state information of the energy storage battery is preset working state reference information or not;
if so, analyzing and acquiring ideal temperature adjustment information corresponding to the current energy storage battery temperature deviation value according to the corresponding relation between the current energy storage battery temperature deviation value and preset ideal temperature adjustment information, and taking the ideal temperature adjustment information as initial temperature adjustment information;
If not, the working state temperature influence information corresponding to the current energy storage battery working state information is fetched according to the current energy storage battery working state information;
according to a preset working temperature deviation analysis method, the working state temperature influence information and the current energy storage battery temperature deviation value are analyzed and processed to form a working temperature deviation value;
according to the corresponding relation between the working temperature deviation value and the preset working temperature adjustment information, analyzing and obtaining the working temperature adjustment information corresponding to the working temperature deviation value, and taking the working temperature adjustment information as temperature initial adjustment information.
3. The energy storage battery cell temperature equalizing system according to claim 2, wherein the analyzing the operating state temperature influence information and the current energy storage battery temperature deviation value according to the preset operating temperature deviation analyzing method to form the operating temperature deviation value comprises:
according to the working state temperature influence information, a working state temperature influence position point and a single influence position influence value corresponding to the working state temperature influence information are called;
according to the current energy storage battery temperature deviation value, a temperature deviation position point corresponding to the current energy storage battery temperature deviation value is called;
According to the working state temperature influence position point and the temperature deviation position point, analyzing and calculating a distance value between the working state temperature influence position point and the temperature deviation position point and taking the distance value as a working state influence position distance value;
according to the corresponding relation between the working state influence position distance value and the preset working state influence position distance influence value, analyzing and obtaining a working state influence position distance influence value corresponding to the working state influence position distance value;
and according to the single influence position influence value, the working state influence position distance influence value and the current energy storage battery temperature deviation value, analyzing and calculating a product value among the single influence position influence value, the working state influence position distance influence value and the current energy storage battery temperature deviation value, and taking the product value as the working temperature deviation value.
4. The energy storage battery cell temperature equalizing system of claim 3, further comprising the step of following the ideal temperature adjustment information as the temperature initial adjustment information or following the operating temperature adjustment information as the temperature initial adjustment information, specifically comprising the steps of:
retrieving a current energy storage battery use time length value corresponding to the current energy storage battery detection information according to the current energy storage battery detection information;
Analyzing and acquiring the using time length influence information corresponding to the current using time length value of the energy storage battery according to the corresponding relation between the current using time length value of the energy storage battery and the preset using time length influence information;
calling a using time length influence position point corresponding to the using time length influence information according to the using time length influence information and a using time length initial influence value;
according to the temperature deviation position point and the using time length influence position point, analyzing and calculating a distance value between the temperature deviation position point and the using time length influence position point and taking the distance value as the using time length influence deviation distance value;
according to a preset using time length influence adjustment analysis method, analyzing and processing the using time length influence deviation distance value and the using time length initial influence value to form using time length influence adjustment information, and adding the using time length influence adjustment information into the temperature initial adjustment information to form new temperature initial adjustment information.
5. The energy storage battery cell temperature equalizing system according to claim 4, wherein the analyzing the long-term impact adjustment information according to the predetermined long-term impact adjustment analysis method to analyze the long-term impact deviation distance value and the initial long-term impact value comprises:
According to the long-acting deviation distance value and a preset deviation distance reference value, analyzing and calculating the difference between the long-acting deviation distance value and the deviation distance reference value and taking the difference as a distance deviation influence distance value;
according to the corresponding relation between the distance deviation influence distance value and the preset deviation distance influence value, analyzing and obtaining a deviation distance influence value corresponding to the distance deviation influence distance value;
according to the deviation distance influence value and the initial influence value of the using time length, analyzing and calculating a product value between the deviation distance influence value and the initial influence value of the using time length and taking the product value as the final influence value of the using time length;
and analyzing and acquiring the final adjustment information of the use time length corresponding to the final influence value of the use time length according to the corresponding relation between the final influence value of the use time length and the preset final adjustment information of the use time length, and taking the final adjustment information of the use time length as the adjustment information of the use time length.
6. The energy storage battery cell temperature equalizing system of claim 3, wherein analyzing the current energy storage battery operating parameter information to form operating parameter impact information according to the preset operating parameter impact analysis method comprises:
Acquiring the operation parameter information of the last energy storage battery;
according to the current energy storage battery operation parameter information and the last energy storage battery operation parameter information, analyzing and obtaining deviation information between the current energy storage battery operation parameter information and the last energy storage battery operation parameter information, and taking the deviation information as operation parameter deviation information;
retrieving an operation parameter deviation position point and an operation parameter deviation value corresponding to the operation parameter deviation information according to the operation parameter deviation information;
according to the operating parameter deviation position point and the temperature deviation position point, analyzing and calculating a distance value between the operating parameter deviation position point and the temperature deviation position point and taking the distance value as an operating parameter deviation distance value;
according to the corresponding relation between the operation parameter deviation distance value and the preset operation parameter deviation distance influence value, analyzing and obtaining the operation parameter deviation distance influence value corresponding to the operation parameter deviation distance value;
according to a preset operation parameter deviation influence analysis method, analyzing and processing the operation parameter deviation value and the operation parameter deviation distance influence value to form an operation parameter deviation influence value;
according to the corresponding relation between the operation parameter deviation influence value and the preset operation parameter deviation influence information, analyzing and obtaining operation parameter deviation influence information corresponding to the operation parameter deviation influence value, and taking the operation parameter deviation influence information as operation parameter influence information.
7. The energy storage battery cell temperature equalizing system according to claim 6, wherein analyzing the operating parameter deviation value and the operating parameter deviation distance impact value according to the predetermined operating parameter deviation impact analysis method to form the operating parameter deviation impact value comprises:
according to the corresponding relation between the operation parameter deviation value and a preset operation parameter deviation reference influence value, analyzing and obtaining an operation parameter deviation reference influence value corresponding to the operation parameter deviation value;
according to the operation parameter deviation value, the deviation parameter type information corresponding to the operation parameter deviation value is called;
analyzing and acquiring a category deviation reference interval corresponding to the category information of the deviation parameter according to the corresponding relation between the category information of the deviation parameter and a preset category deviation reference interval;
according to the operation parameter deviation value and the type deviation reference interval, analyzing and calculating a difference value between the operation parameter deviation value and the type deviation reference interval and taking the difference value as the operation parameter type reference deviation value;
analyzing and acquiring a category reference deviation influence value corresponding to the category reference deviation value of the operation parameter according to the corresponding relation between the category reference deviation value of the operation parameter and a preset category reference deviation influence value;
Analyzing and calculating the operation parameter deviation reference influence value, the operation parameter deviation distance influence value and the category reference deviation influence value according to a preset operation parameter deviation influence value calculation formula to form an operation parameter deviation influence value, wherein the operation parameter deviation influence value calculation formula is that；
Wherein,the deviation influence value of the operation parameters is used;
a weight value which is an operation parameter deviation reference influence value;
a reference impact value for the operating parameter deviation;
a weight value which is an influence value of the deviation distance of the operation parameter;
the deviation distance influence value is an operation parameter;
a weight value which is a category reference deviation influence value;
the deviation influence value is a category reference deviation;
，/>。
8. the energy storage battery cell temperature equalizing system of claim 7, further comprising the step of following the operating parameter deviation affecting information as the operating parameter affecting information, in particular as follows:
judging whether the deviation distance influence value of the operation parameter is smaller than a preset distance reference influence value or not;
if yes, continuing to output the operation parameter influence information;
if not, analyzing and calculating a difference value between the operating parameter deviation distance influence value and the distance reference influence value according to the operating parameter deviation distance influence value and the distance reference influence value, and taking the difference value as a distance influence deviation value;
According to the corresponding relation between the distance influence deviation value and the preset detection temperature influence adjustment information, analyzing and obtaining detection temperature influence adjustment information corresponding to the distance influence deviation value, and adding the detection temperature influence adjustment information to the operation parameter influence information to form new operation parameter influence information.
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