CN117148174A - Battery aging test regulation and control method, device, computer equipment and storage medium - Google Patents
Battery aging test regulation and control method, device, computer equipment and storage medium Download PDFInfo
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- CN117148174A CN117148174A CN202311119393.3A CN202311119393A CN117148174A CN 117148174 A CN117148174 A CN 117148174A CN 202311119393 A CN202311119393 A CN 202311119393A CN 117148174 A CN117148174 A CN 117148174A
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- 230000032683 aging Effects 0.000 title claims abstract description 425
- 238000012360 testing method Methods 0.000 title claims abstract description 143
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- 238000007599 discharging Methods 0.000 claims description 43
- 238000007600 charging Methods 0.000 claims description 39
- 238000004590 computer program Methods 0.000 claims description 14
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- 230000008569 process Effects 0.000 description 71
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000010277 constant-current charging Methods 0.000 description 3
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- 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]
- G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
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- 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
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Abstract
The application provides a battery aging test regulation and control method, a device, computer equipment and a storage medium. The method comprises the steps of obtaining aging charge and discharge operation parameters of a battery; performing charge-discharge difference processing on the aging charge-discharge operation parameters and preset aging operation parameters to obtain an aging charge-discharge difference quantity; and sending a power regulating signal to the battery management system according to the aged charge-discharge difference quantity so as to regulate the power output mode of the battery. After the ageing charge-discharge operation parameters are collected, the working operation states of the battery are determined, then the ageing charge-discharge operation parameters are compared with the standard ageing parameters, the difference between the current ageing charge-discharge operation conditions and the standard ageing charge-discharge operation conditions is conveniently determined, finally, the output mode of the battery management system is adjusted according to the difference value, the charge-discharge state of the battery is conveniently adjusted, therefore, a better power output mode is conveniently selected, and the accurate control degree of battery energy output is effectively improved.
Description
Technical Field
The present invention relates to the field of battery technologies, and in particular, to a method and apparatus for regulating and controlling battery aging test, a computer device, and a storage medium.
Background
Along with the rising of battery industry and the wide application of batteries in the fields of automobiles, energy storage and the like, the charge and discharge capacity of the batteries is increasingly focused by the international society, and the world use amount of the batteries is greatly increased. The power battery pack carried by the electric motor vehicle is gradually transited to the lithium ion battery with higher power density, but when the lithium ion battery is discharged at high multiplying power, a large amount of heat is generated due to the internal resistance, so that the discharge efficiency of the lithium ion battery is reduced, the cruising ability of the pure electric vehicle is directly influenced, in addition, under different use scenes, the charging and discharging modes of the battery are different, the running conditions of the battery during charging and discharging are easy to be obviously different, the energy management accuracy of the battery is poor, and under the uncontrolled condition, spontaneous combustion occurs.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a battery aging test regulation and control method, a device, computer equipment and a storage medium for effectively improving the accurate control degree of battery energy output.
The aim of the invention is realized by the following technical scheme:
a battery aging test regulation method, the method comprising:
acquiring aging charge and discharge operation parameters of a battery;
performing charge-discharge difference processing on the aging charge-discharge operation parameters and preset aging operation parameters to obtain an aging charge-discharge difference quantity;
and sending a power regulation signal to a battery management system according to the aged charge-discharge difference quantity so as to regulate the power output mode of the battery.
In one embodiment, the obtaining the aging charge and discharge operation parameters of the battery includes: and obtaining the aging charging and discharging voltage of the single battery core of the battery.
In one embodiment, the performing the charge-discharge difference processing on the aging charge-discharge operation parameter and the preset aging operation parameter to obtain the aging charge-discharge difference amount includes: and solving the difference between the aging charge-discharge voltage of the single battery cell and the preset aging charge-discharge voltage to obtain the aging charge-discharge voltage difference.
In one embodiment, the sending a power-regulating signal to the battery management system according to the aged charge-discharge difference amount to regulate the power output mode of the battery includes: detecting whether the aging charge-discharge pressure difference is matched with a preset charge-discharge pressure difference or not; and when the aging charge-discharge pressure difference is matched with the preset charge-discharge pressure difference, sending a power optimal signal to the battery management system.
In one embodiment, the obtaining the aging charge and discharge operation parameters of the battery includes: and obtaining the aging charging and discharging current of the single battery core of the battery.
In one embodiment, the performing the charge-discharge difference processing on the aging charge-discharge operation parameter and the preset aging operation parameter to obtain the aging charge-discharge difference amount includes: and solving the difference value between the aging charge-discharge current of the single battery cell and the preset aging charge-discharge current to obtain the aging charge-discharge current difference.
In one embodiment, the sending a power-regulating signal to the battery management system according to the aged charge-discharge difference amount to regulate the power output mode of the battery includes: detecting whether the aging charge-discharge current difference is matched with a preset charge-discharge current difference or not; and when the ageing charge-discharge current difference is not matched with the preset charge-discharge current difference, sending a power pre-optimal signal to the battery management system.
A battery burn-in testing regulation apparatus comprising: the device comprises an aging acquisition module, a charging and discharging processing module and a strategy adjustment output module; the aging acquisition module is used for acquiring aging charge and discharge operation parameters of the battery; the charge-discharge processing module is used for carrying out charge-discharge difference processing on the aging charge-discharge operation parameters and preset aging operation parameters to obtain aging charge-discharge difference values; the regulation output module is used for sending a power regulation signal to a battery management system according to the ageing charge-discharge difference quantity so as to regulate the output mode of the battery.
A computer device comprising a memory storing a computer program and a processor which when executing the computer program performs the steps of:
acquiring aging charge and discharge operation parameters of a battery;
performing charge-discharge difference processing on the aging charge-discharge operation parameters and preset aging operation parameters to obtain an aging charge-discharge difference quantity;
and sending a power regulation signal to a battery management system according to the aged charge-discharge difference quantity so as to regulate the power output mode of the battery.
A computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
acquiring aging charge and discharge operation parameters of a battery;
performing charge-discharge difference processing on the aging charge-discharge operation parameters and preset aging operation parameters to obtain an aging charge-discharge difference quantity;
and sending a power regulation signal to a battery management system according to the aged charge-discharge difference quantity so as to regulate the power output mode of the battery.
Compared with the prior art, the invention has at least the following advantages:
after the ageing charge-discharge operation parameters are collected, the working operation states of the battery are determined, the ageing charge-discharge operation parameters are compared with the standard ageing parameters, the difference between the current ageing charge-discharge operation conditions and the standard ageing charge-discharge operation conditions is conveniently determined, and finally, the output mode of the battery management system is adjusted according to the difference value, so that the output state of the battery in the ageing test process is adjusted, the charge-discharge state of the battery is conveniently adjusted, a better power output mode is conveniently selected, and the accurate control degree of energy output of the battery is effectively improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for regulating and controlling battery aging test according to an embodiment;
FIG. 2 is a flowchart of a method for regulating and controlling battery aging test according to another embodiment;
FIG. 3 is a system frame diagram of a battery burn-in testing and conditioning apparatus according to an embodiment;
fig. 4 is an internal structural view of a computer device in one embodiment.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The invention relates to a battery aging test regulation method. In one embodiment, the battery aging test regulation method includes obtaining an aging charge and discharge operation parameter of a battery; performing charge-discharge difference processing on the aging charge-discharge operation parameters and preset aging operation parameters to obtain an aging charge-discharge difference quantity; and sending a power regulation signal to a battery management system according to the aged charge-discharge difference quantity so as to regulate the power output mode of the battery. After the ageing charge-discharge operation parameters are collected, the working operation states of the battery are determined, the ageing charge-discharge operation parameters are compared with the standard ageing parameters, the difference between the current ageing charge-discharge operation conditions and the standard ageing charge-discharge operation conditions is conveniently determined, and finally, the output mode of the battery management system is adjusted according to the difference value, so that the output state of the battery in the ageing test process is adjusted, the charge-discharge state of the battery is conveniently adjusted, a better power output mode is conveniently selected, and the accurate control degree of energy output of the battery is effectively improved.
Referring to fig. 1, a flowchart of a battery aging test control method according to an embodiment of the invention is shown. The battery aging test regulation and control method comprises part or all of the following steps.
S100: and obtaining the aging charge and discharge operation parameters of the battery.
In this embodiment, the aging charge and discharge operation parameter is an aging test state parameter of the battery, that is, the aging charge and discharge operation parameter is operation state information of the battery in an aging test process, that is, the aging charge and discharge operation parameter corresponds to a charge and discharge state of the battery in the aging test process. By collecting the aging charge and discharge operation parameters, each working operation state parameter of the battery is convenient to determine, so that each current operation key information of the battery is convenient to determine, and the real-time charge and discharge state of the battery in the aging test process is convenient to determine.
S200: and performing charge-discharge difference processing on the aging charge-discharge operation parameters and preset aging operation parameters to obtain an aging charge-discharge difference quantity.
In this embodiment, the aging charge and discharge operation parameter is an aging test state parameter of the battery, that is, the aging charge and discharge operation parameter is operation state information of the battery in an aging test process, that is, the aging charge and discharge operation parameter corresponds to a charge and discharge state of the battery in the aging test process. By collecting the aging charge and discharge operation parameters, each working operation state parameter of the battery is convenient to determine, so that each current operation key information of the battery is convenient to determine, and the real-time charge and discharge state of the battery in the aging test process is convenient to determine. The preset aging operation parameters are standard aging test state parameters of the battery, namely the preset aging operation parameters are appointed operation state information of the battery in an aging test process, namely the preset aging operation parameters correspond to reference charge and discharge states of the battery in the aging test process. And the difference between the aging test state and the standard test state of the battery is conveniently determined by carrying out charge-discharge difference processing on the aging charge-discharge operation parameters and the preset aging operation parameters, so that the degree of difference of the working state of the battery in the aging test process is conveniently determined, and the difference condition of the charge-discharge state of the battery in the aging test process is conveniently determined.
S300: and sending a power regulation signal to a battery management system according to the aged charge-discharge difference quantity so as to regulate the power output mode of the battery.
In this embodiment, the ageing charge-discharge difference amount is obtained based on the ageing charge-discharge operation parameter and the preset ageing operation parameter, where the ageing charge-discharge operation parameter is an ageing test state parameter of the battery, that is, the ageing charge-discharge operation parameter is operation state information of the battery in an ageing test process, that is, the ageing charge-discharge operation parameter corresponds to a charge-discharge state of the battery in the ageing test process. By collecting the aging charge and discharge operation parameters, each working operation state parameter of the battery is convenient to determine, so that each current operation key information of the battery is convenient to determine, and the real-time charge and discharge state of the battery in the aging test process is convenient to determine. The preset aging operation parameters are standard aging test state parameters of the battery, namely the preset aging operation parameters are appointed operation state information of the battery in an aging test process, namely the preset aging operation parameters correspond to reference charge and discharge states of the battery in the aging test process. And the difference between the aging test state and the standard test state of the battery is conveniently determined by carrying out charge-discharge difference processing on the aging charge-discharge operation parameters and the preset aging operation parameters, so that the degree of difference of the working state of the battery in the aging test process is conveniently determined, and the difference condition of the charge-discharge state of the battery in the aging test process is conveniently determined. After the ageing charge-discharge difference amount is determined, the difference between the current ageing charge-discharge State and the standard charge-discharge State of the battery is displayed, and the matching degree between the current charge-discharge State and the current output Power of the battery can be determined, so that the adjustment of the current Power output mode of the battery is conveniently realized by sending a Power adjustment signal to the battery management system, the charge states of the battery under various conditions have corresponding Power output modes, and further, an SOP (State of Power) strategy corresponding to the current charge-discharge State of the battery is conveniently selected, so that the charge-discharge capacity of the battery is improved.
In this embodiment, after the ageing charge-discharge operation parameters are collected, each working operation state of the battery is determined, then the ageing charge-discharge operation parameters are compared with the standard ageing parameters, so that the difference between the current ageing charge-discharge operation condition and the standard ageing charge-discharge operation condition is determined, finally, the output mode of the battery management system is adjusted according to the difference value, so that the output state of the battery in the ageing test process is adjusted, the charge-discharge state of the battery is adjusted conveniently, a better power output mode is selected conveniently, and the accurate control degree of energy output of the battery is effectively improved.
In one embodiment, the obtaining the aging charge and discharge operation parameters of the battery includes: and obtaining the aging charging and discharging voltage of the single battery core of the battery. In this embodiment, the aging charge and discharge operation parameter is an aging test state parameter of the battery, that is, the aging charge and discharge operation parameter is operation state information of the battery in an aging test process, that is, the aging charge and discharge operation parameter corresponds to a charge and discharge state of the battery in the aging test process. By collecting the aging charge and discharge operation parameters, each working operation state parameter of the battery is convenient to determine, so that each current operation key information of the battery is convenient to determine, and the real-time charge and discharge state of the battery in the aging test process is convenient to determine. The aging charge-discharge operation parameters comprise the aging charge-discharge voltage of the single battery cell of the battery, the aging charge-discharge voltage of the single battery cell is the real-time charge-discharge voltage of the single battery cell of the battery, the aging charge-discharge voltage of the single battery cell is collected, and the aging charge-discharge condition of each battery cell in the battery is conveniently determined. In another embodiment, the cell aged charge-discharge voltage is an average voltage of individual cells of the battery. In another embodiment, the battery is a battery pack formed by connecting a plurality of individual batteries in parallel.
Further, the performing charge-discharge differential processing on the aging charge-discharge operation parameter and a preset aging operation parameter to obtain an aging charge-discharge differential component includes: and solving the difference between the aging charge-discharge voltage of the single battery cell and the preset aging charge-discharge voltage to obtain the aging charge-discharge voltage difference. In this embodiment, the aging charge and discharge operation parameter is an aging test state parameter of the battery, that is, the aging charge and discharge operation parameter is operation state information of the battery in an aging test process, that is, the aging charge and discharge operation parameter corresponds to a charge and discharge state of the battery in the aging test process. By collecting the aging charge and discharge operation parameters, each working operation state parameter of the battery is convenient to determine, so that each current operation key information of the battery is convenient to determine, and the real-time charge and discharge state of the battery in the aging test process is convenient to determine. The aging charge-discharge operation parameters comprise the aging charge-discharge voltage of the single battery cell of the battery, the aging charge-discharge voltage of the single battery cell is the real-time charge-discharge voltage of the single battery cell of the battery, the aging charge-discharge voltage of the single battery cell is collected, and the aging charge-discharge condition of each battery cell in the battery is conveniently determined. The preset aging charge-discharge voltage is a standard charge-discharge voltage of a single battery cell of the battery, specifically, each SOP power output strategy corresponds to one preset aging charge-discharge voltage, so that the preset aging charge-discharge voltage corresponds to the power output mode one by one. And solving the difference value between the aging charge-discharge voltage of the single battery core and the preset aging charge-discharge voltage, so that the voltage change condition of the single battery core of the battery in the aging test process can be conveniently determined, the change difference degree of the charge-discharge state of the single battery core of the battery in the aging test process can be conveniently determined, and the voltage change difference of each single battery core of the battery in the aging test process can be conveniently determined.
Still further, the transmitting a power policy adjustment signal to a battery management system according to the aged charge-discharge difference amount to adjust a power output mode of the battery includes: detecting whether the aging charge-discharge pressure difference is matched with a preset charge-discharge pressure difference or not; and when the aging charge-discharge pressure difference is matched with the preset charge-discharge pressure difference, sending a power optimal signal to the battery management system. In this embodiment, the ageing charge-discharge difference amount is obtained based on the ageing charge-discharge operation parameter and the preset ageing operation parameter, where the ageing charge-discharge operation parameter is an ageing test state parameter of the battery, that is, the ageing charge-discharge operation parameter is operation state information of the battery in an ageing test process, that is, the ageing charge-discharge operation parameter corresponds to a charge-discharge state of the battery in the ageing test process. By collecting the aging charge and discharge operation parameters, each working operation state parameter of the battery is convenient to determine, so that each current operation key information of the battery is convenient to determine, and the real-time charge and discharge state of the battery in the aging test process is convenient to determine. The preset aging operation parameters are standard aging test state parameters of the battery, namely the preset aging operation parameters are appointed operation state information of the battery in an aging test process, namely the preset aging operation parameters correspond to reference charge and discharge states of the battery in the aging test process. And the difference between the aging test state and the standard test state of the battery is conveniently determined by carrying out charge-discharge difference processing on the aging charge-discharge operation parameters and the preset aging operation parameters, so that the degree of difference of the working state of the battery in the aging test process is conveniently determined, and the difference condition of the charge-discharge state of the battery in the aging test process is conveniently determined. After the ageing charge-discharge difference amount is determined, the difference between the current ageing charge-discharge state and the standard charge-discharge state of the battery is displayed, and the matching degree between the current charge-discharge state and the current output power of the battery can be determined, so that the adjustment of the current power output mode of the battery is conveniently realized by sending a power adjustment signal to the battery management system, the charge states of the battery under various conditions have corresponding power output modes, and further, the SOP strategy corresponding to the current charge-discharge state of the battery is conveniently selected, so that the charge-discharge capacity of the battery is improved. The aging charge-discharge operation parameters comprise the aging charge-discharge voltage of the single battery cell of the battery, the aging charge-discharge voltage of the single battery cell is the real-time charge-discharge voltage of the single battery cell of the battery, the aging charge-discharge voltage of the single battery cell is collected, and the aging charge-discharge condition of each battery cell in the battery is conveniently determined. The preset aging charge-discharge voltage is a standard charge-discharge voltage of a single battery cell of the battery, specifically, each SOP power output strategy corresponds to one preset aging charge-discharge voltage, so that the preset aging charge-discharge voltage corresponds to the power output mode one by one. And solving the difference value between the aging charge-discharge voltage of the single battery core and the preset aging charge-discharge voltage, so that the voltage change condition of the single battery core of the battery in the aging test process can be conveniently determined, the change difference degree of the charge-discharge state of the single battery core of the battery in the aging test process can be conveniently determined, and the voltage change difference of each single battery core of the battery in the aging test process can be conveniently determined. The aging charge-discharge differential pressure is matched with the preset charge-discharge differential pressure, which indicates that the single voltage of the battery is standard single charge-discharge voltage, namely that the charge-discharge power of the single battery core is in proper power in the aging test process of the battery, namely that the charge-discharge power of the battery in the aging test process is matched with the current power output mode, and at the moment, a power optimal signal is sent to the battery management system, so that an SOP strategy corresponding to the current power output mode is used as an optimal power output strategy, and the battery can be conveniently selected to be the most adaptive power output mode.
In another embodiment, when the aged charge-discharge voltage difference is not matched with the preset charge-discharge voltage difference, a power pre-optimal signal is sent to the battery management system to output by using the output power of the last level, that is, the power corresponding to the SOP strategy of the last level is used for charge-discharge.
In one embodiment, the obtaining the aging charge and discharge operation parameters of the battery includes: and obtaining the aging charging and discharging current of the single battery core of the battery. In this embodiment, the aging charge and discharge operation parameter is an aging test state parameter of the battery, that is, the aging charge and discharge operation parameter is operation state information of the battery in an aging test process, that is, the aging charge and discharge operation parameter corresponds to a charge and discharge state of the battery in the aging test process. By collecting the aging charge and discharge operation parameters, each working operation state parameter of the battery is convenient to determine, so that each current operation key information of the battery is convenient to determine, and the real-time charge and discharge state of the battery in the aging test process is convenient to determine. The aging charging and discharging operation parameters comprise the aging charging and discharging current of the single battery cell of the battery, the aging charging and discharging current of the single battery cell of the battery is real-time charging and discharging current, the aging charging and discharging current of the single battery cell is collected, and the aging charging and discharging conditions of each battery cell in the battery can be conveniently determined. In another embodiment, the cell aged charge-discharge current is the effective current of each cell of the battery.
Further, the performing charge-discharge differential processing on the aging charge-discharge operation parameter and a preset aging operation parameter to obtain an aging charge-discharge differential component includes: and solving the difference value between the aging charge-discharge current of the single battery cell and the preset aging charge-discharge current to obtain the aging charge-discharge current difference. In this embodiment, the aging charge and discharge operation parameter is an aging test state parameter of the battery, that is, the aging charge and discharge operation parameter is operation state information of the battery in an aging test process, that is, the aging charge and discharge operation parameter corresponds to a charge and discharge state of the battery in the aging test process. By collecting the aging charge and discharge operation parameters, each working operation state parameter of the battery is convenient to determine, so that each current operation key information of the battery is convenient to determine, and the real-time charge and discharge state of the battery in the aging test process is convenient to determine. The aging charging and discharging operation parameters comprise the aging charging and discharging current of the single battery cell of the battery, the aging charging and discharging current of the single battery cell of the battery is real-time charging and discharging current, the aging charging and discharging current of the single battery cell is collected, and the aging charging and discharging conditions of each battery cell in the battery can be conveniently determined. The preset aging charge-discharge current is a standard charge-discharge current of a single battery cell of the battery, specifically, each SOP power output strategy corresponds to one preset aging charge-discharge current, so that the preset aging charge-discharge current corresponds to the power output mode one by one. And solving the difference value between the aging charge-discharge current of the single battery core and the preset aging charge-discharge current, so that the current change condition of the single battery core of the battery in the aging test process can be conveniently determined, the change difference degree of the charge-discharge state of the single battery core of the battery in the aging test process can be conveniently determined, and the current change difference of each single battery core of the battery in the aging test process can be conveniently determined.
Still further, the transmitting a power policy adjustment signal to a battery management system according to the aged charge-discharge difference amount to adjust a power output mode of the battery includes: detecting whether the aging charge-discharge current difference is matched with a preset charge-discharge current difference or not; and when the ageing charge-discharge current difference is not matched with the preset charge-discharge current difference, sending a power pre-optimal signal to the battery management system. In this embodiment, the ageing charge-discharge difference amount is obtained based on the ageing charge-discharge operation parameter and the preset ageing operation parameter, where the ageing charge-discharge operation parameter is an ageing test state parameter of the battery, that is, the ageing charge-discharge operation parameter is operation state information of the battery in an ageing test process, that is, the ageing charge-discharge operation parameter corresponds to a charge-discharge state of the battery in the ageing test process. By collecting the aging charge and discharge operation parameters, each working operation state parameter of the battery is convenient to determine, so that each current operation key information of the battery is convenient to determine, and the real-time charge and discharge state of the battery in the aging test process is convenient to determine. The preset aging operation parameters are standard aging test state parameters of the battery, namely the preset aging operation parameters are appointed operation state information of the battery in an aging test process, namely the preset aging operation parameters correspond to reference charge and discharge states of the battery in the aging test process. And the difference between the aging test state and the standard test state of the battery is conveniently determined by carrying out charge-discharge difference processing on the aging charge-discharge operation parameters and the preset aging operation parameters, so that the degree of difference of the working state of the battery in the aging test process is conveniently determined, and the difference condition of the charge-discharge state of the battery in the aging test process is conveniently determined. After the ageing charge-discharge difference amount is determined, the difference between the current ageing charge-discharge state and the standard charge-discharge state of the battery is displayed, and the matching degree between the current charge-discharge state and the current output power of the battery can be determined, so that the adjustment of the current power output mode of the battery is conveniently realized by sending a power adjustment signal to the battery management system, the charge states of the battery under various conditions have corresponding power output modes, and further, the SOP strategy corresponding to the current charge-discharge state of the battery is conveniently selected, so that the charge-discharge capacity of the battery is improved. The aging charging and discharging operation parameters comprise the aging charging and discharging current of the single battery cell of the battery, the aging charging and discharging current of the single battery cell of the battery is real-time charging and discharging current, the aging charging and discharging current of the single battery cell is collected, and the aging charging and discharging conditions of each battery cell in the battery can be conveniently determined. The preset aging charge-discharge current is a standard charge-discharge current of a single battery cell of the battery, specifically, each SOP power output strategy corresponds to one preset aging charge-discharge current, so that the preset aging charge-discharge current corresponds to the power output mode one by one. And solving the difference value between the aging charge-discharge current of the single battery core and the preset aging charge-discharge current, so that the current change condition of the single battery core of the battery in the aging test process can be conveniently determined, the change difference degree of the charge-discharge state of the single battery core of the battery in the aging test process can be conveniently determined, and the current change difference of each single battery core of the battery in the aging test process can be conveniently determined. The aging charge-discharge current difference is not matched with the preset charge-discharge current difference, which indicates that the single current of the battery is lower than the standard single charge-discharge current, namely that the charge-discharge power of the single battery core is in too low power in the aging test process, namely that the charge-discharge power of the battery is not matched with the current power output mode in the aging test process, and at the moment, a power front optimal signal is sent to the battery management system, so that an SOP strategy corresponding to the power output mode of the upper stage is used as an optimal power output strategy, and the battery can be conveniently selected to be the most suitable power output mode.
In another embodiment, when the aged charge-discharge current difference matches the preset charge-discharge current difference, a power-on-optimum signal is sent to the battery management system to keep the current output power for charge-discharge output, that is, keep the power corresponding to the current SOP strategy for output.
In another embodiment, the aging charge and discharge operation parameters further include at least one of a battery core temperature, an SOC, a remaining capacity and a full charge capacity of the battery, and the parameters are all sampled in an aging test process, so that each item of key test information of the battery in the aging test process can correspond to each item of parameter of the battery in an actual use environment, and experimental tests are conveniently performed for the actual use of the battery, so that a more appropriate SOP strategy is selected in the actual use process of the battery, and the power output of the battery is ensured to be more suitable for the current use environment, and the battery is safer and more reliable to use.
In the process of carrying out actual aging test on the battery, the aging process of the battery and the performance of the battery in the actual use process are simulated, so that the daily use of the battery is conveniently subjected to scene reduction test, the use of the battery is conveniently pre-ground, the battery is conveniently selected to be in an adaptive working mode in the actual use process, the use state of the battery is better protected, and the simulation or restoration effect of the use scene is played.
However, in the aging test process, the aging test parameters of the battery are collected under different scenes, if the specific aging state of the battery is not determined, the conditions of discharging aging and charging aging are easily mixed, so that the aging test result of the battery is deviated, and further, the error occurs in the strategy selection of the power output of the battery in the actual use process, and the use failure condition of the battery is seriously caused.
In order to improve the power output mode adjustment accuracy of the battery aging test, the method for obtaining the aging charge and discharge operation parameters of the battery further comprises the following steps:
acquiring the aging start response time of the battery;
detecting whether the aging start response time is greater than a preset aging response time;
and when the aging start response time is larger than the preset aging response time, an aging dormancy signal is sent to the battery management system.
In this embodiment, the aging start response time is the aging test start response time of the battery, that is, the aging start response time is the trigger time of the aging test of the battery, that is, the aging start response time is the wake-up start time of the aging test of the battery, and the aging start time is collected to facilitate determining the aging start time of the battery, so that the aging test trigger time of the battery is conveniently determined, and further the aging initialization completion condition of the battery is conveniently determined. The preset aging response time is standard starting response time of the aging test of the battery, namely the preset aging response time is designated triggering time of the aging test of the battery, namely the preset aging response time is preset awakening starting time of the aging test of the battery, the aging starting response time is larger than the preset aging response time, the fact that the aging test starting response time of the battery exceeds the standard aging response time is indicated, namely the fact that the aging test triggering time of the battery is overlong, namely the fact that response time is overtime exists in aging initialization of the battery is indicated, at the moment, an aging dormancy signal is sent to the battery management system to avoid the battery from executing an aging test procedure, the battery is set to be in a system dormancy state before the aging test, and the aging starting response time can be sampled again until an external awakening signal is sent again to the system for self-checking and functional peripheral initialization, so that the triggering condition of the aging test state of the battery is determined again, and the output working mode of the battery is adjusted conveniently.
Further, the detecting whether the aging start response time is greater than a preset aging response time further includes:
when the aging start response time is smaller than or equal to the preset aging response time, acquiring the discharging step time of the battery;
detecting whether the discharge step time is less than or equal to a first step time;
and when the discharging step time is less than or equal to the first step time, sending a load discharging signal to the battery management system.
In this embodiment, the aging start response time is smaller than or equal to the preset aging response time, which indicates that the aging test start response time of the battery is within the standard aging response time, that is, indicates that the aging test trigger time of the battery is normal, that is, indicates that the aging initialization of the battery is within the reasonable range of the response time, and at this time, the aging test response of the battery is triggered, and by collecting the discharge step time, the determination of the discharge procedure initialization time of the battery is facilitated, so that the determination of the discharge trigger time in the aging test of the battery is facilitated. The discharging step time is smaller than or equal to the first step time, and indicates that the discharging step initializing time of the battery reaches the designated discharging initializing time, namely, indicates that the preparation time of the discharging step of the battery is in a normal time range, and sends a load discharging signal to the battery management system at the moment so as to start the electricity load, so that the battery outputs electric energy to the electricity load, the battery is enabled to execute a discharging function in an aging test, and the aging detection of the discharging output power of the battery is facilitated.
Still further, the detecting whether the discharge step time is less than or equal to the first step time further includes:
when the discharging step time is longer than the first step time, acquiring the charging step time of the battery;
detecting whether the charging step time is less than or equal to a second step time;
and when the charging step time is less than or equal to the second step time, sending a constant-current charging signal to the battery management system.
In this embodiment, the discharging step time is longer than the first step time, which indicates that the discharging step initialization time of the battery exceeds the designated discharging initialization time, that is, indicates that the preparation time of the discharging step of the battery is outside the normal time range, and the aging test response of the battery is overtime. The charging step time is smaller than or equal to the second step time, and the fact that the charging procedure initializing time of the battery reaches the designated charging initializing time is indicated, namely that the preparation time of the charging procedure of the battery is in a normal time range is indicated, a constant current charging signal is sent to the battery management system at the moment so as to start the constant current source, and the constant current source is enabled to conduct constant current charging on the battery, so that the battery is enabled to execute a charging function in an aging test, and the aging detection of the charging power of the battery is facilitated.
In another embodiment, when the charging step time is greater than the second step time, step S100 is performed, and the specific flow is shown in fig. 2.
The above-mentioned various preset variables are all set up in the database, are convenient for in time draw, and different preset variables are put in different memory cell, namely in different storage stacks, and ageing start response time, discharge step time and charging step time accessible corresponding detector gathers, for example gathers through the time-recorder in the ageing collection module.
In one embodiment, the application also provides a battery aging test regulation and control device, which comprises an aging acquisition module, a charge and discharge processing module and a regulation and control output module; the aging acquisition module is used for acquiring aging charge and discharge operation parameters of the battery; the charge-discharge processing module is used for carrying out charge-discharge difference processing on the aging charge-discharge operation parameters and preset aging operation parameters to obtain aging charge-discharge difference values; the regulation output module is used for sending a power regulation signal to a battery management system according to the ageing charge-discharge difference quantity so as to regulate the output mode of the battery.
In this embodiment, after the ageing collection module collects the ageing charge-discharge operation parameters, each working operation state of the battery is determined, then the charge-discharge processing module compares the ageing charge-discharge operation parameters with the standard ageing parameters, so as to determine the difference between the current ageing charge-discharge operation conditions and the standard ageing charge-discharge operation conditions, and finally the policy adjustment output module adjusts the output mode of the battery management system according to the difference value, so that the output state of the battery in the ageing test process is adjusted, the charge-discharge state of the battery is adjusted conveniently, thereby being convenient for selecting a better power output mode, and effectively improving the accurate control system of battery energy output.
In another embodiment, the battery aging test regulation device stores and transmits parameter data in a wired or wireless manner, specifically, the battery aging test regulation device is an SOP test system taking an SSOP test box as a main control center, performs data recording on an externally operable TF card, data transmission by a WiFi module, discharges a battery by an operation load, and charges the battery by an operation constant current source; the aging process of the SOP testing system can be configured for the internal computer, and the battery can transmit real-time information to the SOP testing system, and the main frame of the SOP testing system is shown in figure 3.
In one embodiment, a computer device is provided, which may be a server, the internal structure of which may be as shown in fig. 4. The computer device includes a processor, a memory, and a network interface connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer equipment is used for storing data such as the aging charge and discharge operation parameters, the preset aging operation parameters, the power strategy adjusting signals and the like. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program when executed by a processor implements a battery burn-in test regulation method.
It will be appreciated by persons skilled in the art that the architecture shown in fig. 4 is merely a block diagram of some of the architecture relevant to the present inventive arrangements and is not limiting as to the computer device to which the present inventive arrangements are applicable, and that a particular computer device may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.
In one embodiment, the present application further provides a computer device, including a memory and a processor, where the memory stores a computer program, and the processor executes the computer program to implement the steps in the method embodiments described above.
In one embodiment, the present application further provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method embodiments described above.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, or the like. Volatile memory can include random access memory (Random Access Memory, RAM) or external cache memory. By way of illustration, and not limitation, RAM can be in the form of a variety of forms, such as static random access memory (Static Random Access Memory, SRAM) or dynamic random access memory (Dynamic Random Access Memory, DRAM), and the like.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A battery aging test regulation method, comprising:
acquiring aging charge and discharge operation parameters of a battery;
performing charge-discharge difference processing on the aging charge-discharge operation parameters and preset aging operation parameters to obtain an aging charge-discharge difference quantity;
and sending a power regulation signal to a battery management system according to the aged charge-discharge difference quantity so as to regulate the power output mode of the battery.
2. The method for regulating and controlling battery aging test according to claim 1, wherein the step of obtaining the aging charge and discharge operation parameters of the battery comprises the steps of:
and obtaining the aging charging and discharging voltage of the single battery core of the battery.
3. The method for regulating and controlling battery aging test according to claim 2, wherein said performing charge-discharge differential processing on the aging charge-discharge operation parameter and a preset aging operation parameter to obtain an aging charge-discharge differential value comprises:
And solving the difference between the aging charge-discharge voltage of the single battery cell and the preset aging charge-discharge voltage to obtain the aging charge-discharge voltage difference.
4. The battery burn-in testing regulation method of claim 3, wherein the transmitting a power regulation signal to a battery management system according to the amount of the aged charge and discharge difference to adjust the power output mode of the battery comprises:
detecting whether the aging charge-discharge pressure difference is matched with a preset charge-discharge pressure difference or not;
and when the aging charge-discharge pressure difference is matched with the preset charge-discharge pressure difference, sending a power optimal signal to the battery management system.
5. The method for regulating and controlling battery aging test according to claim 1, wherein the step of obtaining the aging charge and discharge operation parameters of the battery comprises the steps of:
and obtaining the aging charging and discharging current of the single battery core of the battery.
6. The method for regulating and controlling battery aging test according to claim 5, wherein said performing charge-discharge differential processing on the aging charge-discharge operation parameter and a preset aging operation parameter to obtain an aging charge-discharge differential value comprises:
and solving the difference value between the aging charge-discharge current of the single battery cell and the preset aging charge-discharge current to obtain the aging charge-discharge current difference.
7. The battery burn-in testing regulation method of claim 6, wherein the transmitting a power regulation signal to a battery management system according to the amount of the aged charge and discharge difference to adjust the power output mode of the battery comprises:
detecting whether the aging charge-discharge current difference is matched with a preset charge-discharge current difference or not;
and when the ageing charge-discharge current difference is not matched with the preset charge-discharge current difference, sending a power pre-optimal signal to the battery management system.
8. A battery burn-in test regulation apparatus, comprising:
the aging acquisition module is used for acquiring aging charge and discharge operation parameters of the battery;
the charge-discharge processing module is used for carrying out charge-discharge difference processing on the aging charge-discharge operation parameters and preset aging operation parameters to obtain aging charge-discharge difference components;
and the regulation output module is used for sending a power regulation signal to a battery management system according to the ageing charge-discharge difference quantity so as to adjust the output mode of the battery.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 7 when the computer program is executed.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method according to any one of claims 1 to 7.
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