CN111239626B - Method for automatically generating automobile battery rapid detection scheme - Google Patents
Method for automatically generating automobile battery rapid detection scheme Download PDFInfo
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- CN111239626B CN111239626B CN202010069915.3A CN202010069915A CN111239626B CN 111239626 B CN111239626 B CN 111239626B CN 202010069915 A CN202010069915 A CN 202010069915A CN 111239626 B CN111239626 B CN 111239626B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/389—Measuring internal impedance, internal conductance or related variables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/371—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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Abstract
The invention provides a method for automatically generating a rapid detection scheme of an automobile battery in the field of battery detection, which comprises the following steps: step S10, creating a variable rule and a battery rapid detection template; step S20, analyzing the battery rapid detection template by using a variable rule to obtain a variable parameter; step S30, battery information of the electric automobile is obtained; step S40, acquiring corresponding battery parameters from the battery information based on the variable parameters; step S50, filling the battery parameters into the variable region of the protection parameters by using the variable rule, and generating a rapid battery detection scheme according to the detection sequence of the first charging parameter, the first charging dc impedance test parameter, the second charging dc impedance test parameter, and the second charging parameter. The invention has the advantages that: the battery rapid detection scheme that the realization corresponds according to the car self-adaptation of different models generates carries out the short-term test, satisfies the detection demand of pluralism, and reduces the work load that the battery detection scheme was developed and was maintained, promotes the efficiency that the battery detected, reduces the cost that the battery detected.
Description
Technical Field
The invention relates to the field of battery detection, in particular to a method for automatically generating a rapid detection scheme of an automobile battery.
Background
With the aggravation of energy crisis and environmental problems, pure electric vehicles and hybrid electric vehicles are continuously popularized, batteries are the energy source of electric vehicles, and in order to ensure good performance of the batteries and prolong the service life of the batteries, the batteries need to be regularly detected.
When battery detection equipment of an electric automobile is sold to automobile manufacturers, matched battery detection schemes need to be developed for the automobile manufacturers, and the automobile manufacturers detect batteries of the electric automobile by using the battery detection schemes and the battery detection equipment.
Conventionally, a battery detection device edits a corresponding battery detection scheme according to a vehicle type provided by an automobile manufacturer before leaving a factory, and the battery detection device and the battery detection scheme are provided for the automobile manufacturer together. If a vehicle manufacturer develops a new vehicle type, a new battery detection scheme needs to be developed for the battery of the new vehicle type, and the vehicle manufacturer selects a corresponding battery detection scheme as required. However, the conventional method has the following disadvantages: 1. the traditional battery detection scheme is a battery depth detection scheme, the battery needs to be fully charged, then discharged to a set percentage, then a direct current impedance test for discharging is carried out twice, and finally the battery is fully charged after being discharged, so that a large amount of time is needed for each detection, and the requirement of quick detection cannot be met; 2. the battery detection scheme needs to be maintained, updated and upgraded, and the battery detection scheme needs to be developed and debugged according to different vehicle types, so that the battery detection scheme has numerous versions, is easy to generate BUG, and has large maintenance workload; 3. during battery detection, a worker is required to select a corresponding battery detection scheme according to a vehicle type, and high labor cost and time cost are generated.
Therefore, how to provide a method for automatically generating a quick detection scheme for an automobile battery realizes that a corresponding quick detection scheme for the battery is generated in a self-adaptive manner according to automobiles of different models to perform quick detection, meets diversified detection requirements, reduces the workload of development and maintenance of the battery detection scheme, improves the efficiency of battery detection, reduces the cost of battery detection, and becomes a problem to be solved urgently.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method for automatically generating a rapid detection scheme of an automobile battery, so that rapid detection is realized by adaptively generating corresponding rapid detection schemes of batteries of different models, diversified detection requirements are met, the workload of development and maintenance of the battery detection scheme is reduced, the efficiency of battery detection is improved, and the cost of battery detection is reduced.
The invention is realized by the following steps: a method for automatically generating a rapid detection scheme of an automobile battery comprises the following steps:
step S10, creating a variable rule, and creating a battery rapid detection template based on the variable rule; the variable rule is to set a left separator and a right separator, define a parameter positioned on the left side of the left separator as a variable parameter, and set a variable value corresponding to the variable parameter in a variable area between the left separator and the right separator; the battery rapid detection template comprises a protection parameter, a first charging direct current impedance test parameter, a second charging direct current impedance test parameter and a second charging parameter;
step S20, analyzing the battery rapid detection template by using the variable rule to obtain variable parameters;
step S30, battery information of the electric vehicle to be detected is obtained;
step S40, acquiring corresponding battery parameters from the battery information based on the variable parameters;
step S50, filling the battery parameters into a variable region of the protection parameters by using the variable rule, and setting a detection sequence of the first charging parameter, the first charging dc impedance test parameter, the second charging dc impedance test parameter, and the second charging parameter, to generate a rapid battery detection scheme.
Further, in step S10, the protection parameters include a maximum voltage, a minimum voltage, a maximum charging current, a minimum discharging current, a maximum cell voltage, a minimum cell voltage, a maximum cell temperature, and a minimum cell temperature; each of the protection parameters is a variable parameter.
Further, in the step S10, the first charging parameter is charging to 50% or more; the first charging direct current impedance test parameter and the second charging direct current impedance test parameter are both test time longer than 20 seconds; the second charging parameter is charging to 100%.
Further, the step S20 is specifically:
and analyzing the battery rapid detection template by using the variable rule to obtain variable parameters, and caching the variable parameters in the entity class.
Further, the step S30 is specifically:
the method comprises the steps of communicating with a BMS of the electric automobile to be detected, acquiring and caching battery information of the electric automobile to be detected; the battery information at least comprises protection parameters, battery rated capacity, battery generation date, battery type and charging times.
The invention has the advantages that:
1. after battery information of the electric vehicle to be detected is obtained by creating a battery rapid detection template comprising the protection parameter, the first charging direct current impedance test parameter, the second charging direct current impedance test parameter and the second charging parameter, obtaining corresponding battery parameters from the battery information based on variable parameters of the battery rapid detection template, filling corresponding variable regions in the battery rapid detection template, and finally generating the battery rapid detection scheme; the rapid detection scheme of the battery saves the procedure of twice discharging compared with the traditional scheme, realizes rapid detection, needs to manually select the detection scheme corresponding to the vehicle type compared with the traditional scheme, develops and maintains the detection schemes of multiple versions, greatly reduces the workload of developing and maintaining the battery detection scheme, does not need to arrange a worker to select the detection scheme, but automatically generates the detection scheme according to the vehicle type, greatly improves the efficiency of battery detection, and reduces the labor cost of battery detection.
2. Through carrying out the communication with electric automobile's BMS, acquire to detect electric automobile battery information, guaranteed the accuracy of acquireing battery information has guaranteed the security of battery short-term test scheme has reduced the fault rate of manual operation.
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The invention will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a flow chart of a method for automatically generating a rapid test scheme for an automotive battery in accordance with the present invention.
Detailed Description
The technical scheme in the embodiment of the application has the following general idea: the variable rule and the battery rapid detection template are created, after the battery information of the electric vehicle to be detected is obtained, the variable rule is utilized to analyze the variable parameters in the battery rapid detection template, based on the mapping relation of the parameters, the variable parameters are utilized to find the corresponding battery parameters from the battery information, namely the values of the variable parameters on the electric vehicle of the vehicle type, and then the battery parameters are filled into the battery rapid detection template to automatically generate a battery rapid detection scheme; compared with the traditional battery rapid detection scheme, the battery rapid detection scheme omits two discharging processes, and improves the battery detection speed.
Referring to fig. 1, a preferred embodiment of a method for automatically generating a fast detection scheme for an automobile battery according to the present invention includes the following steps:
step S10, creating a variable rule, creating a battery rapid detection template based on the variable rule, and instantiating the battery deep detection template, wherein instantiation refers to a process of creating an object by using a class in object-oriented programming and is a process of embodying an abstract concept class to a real object of the class; the variable rule is to set a left separator and a right separator, and define a parameter positioned on the left side of the left separator as a variable parameter, wherein a variable value corresponding to the variable parameter is arranged in a variable area between the left separator and the right separator; the battery rapid detection template comprises a protection parameter, a first charging direct current impedance test parameter, a second charging direct current impedance test parameter and a second charging parameter; a direct current impedance test (DCR test);
step S20, analyzing the battery rapid detection template by using the variable rule to obtain variable parameters;
step S30, battery information of the electric vehicle to be detected is obtained;
step S40, acquiring corresponding battery parameters from the battery information in the cache based on the variable parameters, namely, values of the variable parameters on the electric vehicle to be detected;
step S50, filling the battery parameters into a variable area of protection parameters by using the variable rule, and setting a detection sequence of a first charging parameter, a first charging direct current impedance test parameter, a second charging direct current impedance test parameter and a second charging parameter to generate a battery rapid detection scheme; for example, a rapid battery detection scheme is generated according to the detection sequence of the first charging parameter, the first charging direct current impedance test parameter, the second charging direct current impedance test parameter and the second charging parameter, namely, the battery is charged to 50%, then the charging direct current impedance test is performed twice for at least 20 seconds, and finally the battery is fully charged.
In step S10, the protection parameters include a maximum voltage, a minimum voltage, a maximum charging current, a minimum discharging current, a maximum cell voltage, a minimum cell voltage, a maximum cell temperature, and a minimum cell temperature; each of the protection parameters is a variable parameter.
For example, setting the left separator to "<", and setting the right separator to ">", each of the protection parameters is as follows:
maximum voltage <36V >,
minimum voltage <12V >,
maximum charging current <20A >,
minimum discharge current <5A >,
the highest monomer voltage is <24V >,
the lowest monomer voltage is <6V >,
the maximum monomer temperature <60 c >,
minimum monomer temperature <0 ℃ >.
In step S10, the first charging parameter is charging to 50% or more; the first charging direct current impedance test parameter and the second charging direct current impedance test parameter are both test time longer than 20 seconds; the second charging parameter is charging to 100%.
The step S20 specifically includes:
and analyzing the battery rapid detection template by using the variable rule to obtain variable parameters, and caching the variable parameters in the entity class.
The step S30 specifically includes:
the method comprises the steps of communicating with a BMS of the electric automobile to be detected, acquiring and caching battery information of the electric automobile to be detected; the battery information at least comprises protection parameters, battery rated capacity, battery generation date, battery type and charging times. Through carrying out the communication with electric automobile's BMS, acquire to detect electric automobile battery information, guaranteed the accuracy of acquireing battery information has guaranteed the security of battery degree of depth detection scheme has reduced the fault rate of manual operation.
The variable parameters of the electric vehicle are exemplified as follows:
in summary, the invention has the advantages that:
1. after battery information of the electric vehicle to be detected is obtained by creating a battery rapid detection template comprising the protection parameter, the first charging direct current impedance test parameter, the second charging direct current impedance test parameter and the second charging parameter, obtaining corresponding battery parameters from the battery information based on variable parameters of the battery rapid detection template, filling corresponding variable regions in the battery rapid detection template, and finally generating the battery rapid detection scheme; the rapid detection scheme of the battery saves the procedure of twice discharging compared with the traditional scheme, realizes rapid detection, needs to manually select the detection scheme corresponding to the vehicle type compared with the traditional scheme, develops and maintains the detection schemes of multiple versions, greatly reduces the workload of developing and maintaining the battery detection scheme, does not need to arrange a worker to select the detection scheme, but automatically generates the detection scheme according to the vehicle type, greatly improves the efficiency of battery detection, and reduces the labor cost of battery detection.
2. Through carrying out the communication with electric automobile's BMS, acquire to detect electric automobile battery information, guaranteed the accuracy of acquireing battery information has guaranteed the security of battery short-term test scheme has reduced the fault rate of manual operation.
Although specific embodiments of the invention have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the invention, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the invention, which is to be limited only by the appended claims.
Claims (4)
1. A method for automatically generating a rapid detection scheme of an automobile battery is characterized by comprising the following steps: the method comprises the following steps:
step S10, creating a variable rule, and creating a battery rapid detection template based on the variable rule; the variable rule is to set a left separator and a right separator, and define a parameter positioned on the left side of the left separator as a variable parameter, wherein a variable value corresponding to the variable parameter is arranged in a variable area between the left separator and the right separator; the battery rapid detection template comprises a protection parameter, a first charging direct current impedance test parameter, a second charging direct current impedance test parameter and a second charging parameter;
step S20, analyzing the battery rapid detection template by using the variable rule to obtain variable parameters;
step S30, battery information of the electric vehicle to be detected is obtained;
step S40, acquiring corresponding battery parameters from the battery information based on the variable parameters;
step S50, filling the battery parameters into a variable area of protection parameters by using the variable rule, and setting the detection sequence of the first charging parameter, the first charging direct current impedance test parameter, the second charging direct current impedance test parameter and the second charging parameter to generate a quick battery detection scheme;
in step S10, the first charging parameter is charging to 50% or more; the first charging direct current impedance test parameter and the second charging direct current impedance test parameter are both test time longer than 20 seconds; and the second charging parameter is that the battery is charged to 100 percent, namely, the battery is charged to 50 percent firstly, then the charging direct current impedance test is carried out for at least 20 seconds twice, and finally the battery is fully charged.
2. The method for automatically generating a rapid detection scheme for an automotive battery as claimed in claim 1, wherein: in step S10, the protection parameters include a maximum voltage, a minimum voltage, a maximum charging current, a minimum discharging current, a maximum cell voltage, a minimum cell voltage, a maximum cell temperature, and a minimum cell temperature; each of the protection parameters is a variable parameter.
3. The method for automatically generating a rapid detection scheme for an automotive battery as claimed in claim 1, wherein: the step S20 specifically includes:
and analyzing the battery rapid detection template by using the variable rule to obtain variable parameters, and caching the variable parameters in the entity class.
4. The method for automatically generating a rapid detection scheme for an automotive battery as claimed in claim 1, wherein: the step S30 specifically includes:
the method comprises the steps of communicating with a BMS of the electric automobile to be detected, acquiring and caching battery information of the electric automobile to be detected; the battery information at least comprises protection parameters, battery rated capacity, battery generation date, battery type and charging times.
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