CN110492557A - A kind of fault handling method and equipment of battery - Google Patents
A kind of fault handling method and equipment of battery Download PDFInfo
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- CN110492557A CN110492557A CN201910695360.0A CN201910695360A CN110492557A CN 110492557 A CN110492557 A CN 110492557A CN 201910695360 A CN201910695360 A CN 201910695360A CN 110492557 A CN110492557 A CN 110492557A
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- Prior art keywords
- battery
- battery unit
- unit
- fault
- failures
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
-
- 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)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The application is suitable for field of computer technology, provide the fault handling method and equipment of a kind of battery, it include: the battery index parameter of each battery unit in the battery failures information and the battery pack for obtain the battery pack when detecting that battery pack breaks down；The battery pack includes at least two battery units, and the battery failures information includes the identification information and failure cause of faulty battery cell；Battery index parameter based on the battery failures information and each battery unit, determines troubleshooting strategy；Troubleshooting is carried out based on the troubleshooting strategy.Above scheme obtains the battery failures information of battery pack, completely obtains the current state of each battery, determines the normal processing strategie of event based on battery failures information, accurately handles failure.
Description
Technical field
The application belongs to the fault handling method and equipment of field of computer technology more particularly to a kind of battery.
Background technique
In order to improve the reliability of power supply power supply, when designing battery, the structure of battery parallel connection, the structure are often used
It can be powered using the battery of different model, in multiple batteries when there is one cannot power, can also be had in addition together
Battery guarantee to power.In the prior art, battery parallel-connection structure is when carrying out fault detection and troubleshooting, only to each
The fault message of battery is obtained, and carries out troubleshooting based on the fault message got.But such mode has been difficult
The current state of the complete each battery of acquisition, leads to that troubleshooting can not accurately be carried out.
Apply for content
In view of this, the embodiment of the present application provides the fault handling method and equipment of a kind of battery, to solve existing skill
It is difficult completely to obtain the current state of each battery in art, leads to the problem of can not accurately carrying out troubleshooting.
The first aspect of the embodiment of the present application provides a kind of fault handling method of battery, comprising:
When detecting that battery pack breaks down, obtain in the battery failures information and the battery pack of the battery pack
The battery index parameter of each battery unit；The battery pack includes at least two battery units, the battery failures letter
Breath includes the identification information and failure cause of faulty battery cell；
Battery index parameter based on the battery failures information and each battery unit, determines troubleshooting plan
Slightly；
Troubleshooting is carried out based on the troubleshooting strategy.
The second aspect of the embodiment of the present application provides a kind of fault treating apparatus of battery, comprising:
Acquiring unit, for when detecting that battery pack breaks down, obtain the battery failures information of the battery pack with
And in the battery pack each battery unit battery index parameter；The battery pack includes at least two battery units,
The battery failures information includes the identification information and failure cause of faulty battery cell；
Determination unit, for the battery index parameter based on the battery failures information and each battery unit,
Determine troubleshooting strategy；
First processing units, for carrying out troubleshooting based on the troubleshooting strategy.
The third aspect of the embodiment of the present application provides a kind of troubleshooting equipment of battery, including memory, processor
And the computer program that can be run in the memory and on the processor is stored, the processor executes the meter
The step of fault handling method of the battery as described in above-mentioned first aspect is realized when calculation machine program.
The fourth aspect of the embodiment of the present application provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, and the battery as described in above-mentioned first aspect is realized when the computer program is executed by processor
Fault handling method the step of.
The 5th aspect of the embodiment of the present application provides a kind of computer program product, when computer program product is set in terminal
When standby upper operation, so that terminal device executes * * method described in any one of above-mentioned first aspect.
It is understood that the beneficial effect of above-mentioned second aspect to the 5th aspect may refer in above-mentioned first aspect
Associated description, details are not described herein.
In the embodiment of the present application, when detecting that battery pack breaks down, the battery failures information of the battery pack is obtained
And in the battery pack each battery unit battery index parameter；The battery pack includes at least two battery lists
Member, the battery failures information include the identification information and failure cause of faulty battery cell；Believed based on the battery failures
The battery index parameter of breath and each battery unit, determines troubleshooting strategy；Based on the troubleshooting strategy into
Row troubleshooting.Above scheme obtains the battery failures information of battery pack, completely obtains the current state of each battery, base
The normal processing strategie of event is determined in battery failures information, and accurately failure is handled.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the application
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of schematic flow diagram of the fault handling method for battery that the application first embodiment provides；
Fig. 2 is the schematic flow diagram of the fault handling method for another battery that the application second embodiment provides；
Fig. 3 is the signal stream of S203 refinement in the fault handling method for another battery that the application second embodiment provides
Cheng Tu；
Fig. 4 is the schematic flow diagram of the fault handling method for another battery that the application 3rd embodiment provides；
Fig. 5 is the schematic flow diagram of the fault handling method for another battery that the 5th embodiment of the application provides；
Fig. 6 is the signal stream of S403 refinement in the fault handling method for another battery that the 5th embodiment of the application provides
Cheng Tu；
Fig. 7 is the signal stream of S404 refinement in the fault handling method for another battery that the 5th embodiment of the application provides
Cheng Tu；
Fig. 8 is a kind of schematic diagram of the fault treating apparatus for battery that sixth embodiment of the invention provides；
Fig. 9 is the schematic diagram of the troubleshooting equipment for the battery that the 7th embodiment of the application provides.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, so as to provide a thorough understanding of the present application embodiment.However, it will be clear to one skilled in the art that there is no these specific
The application also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, so as not to obscure the description of the present application with unnecessary details.
It should be appreciated that working as in present specification and the appended claims in use, term " includes " instruction is retouched
State the presence of feature, entirety, step, operation, element and/or component, but be not precluded one or more of the other feature, entirety,
Step, operation, the presence or addition of element, component and/or its set.
It is also understood that referring in present specification to term "and/or" used in the appended claims related
Join any combination and all possible combinations of one or more of item listed, and including these combinations.
As present specification and it is used in the attached claims, term " if " can be according to upper and lower
Text be interpreted " when ... when " or " once " or " in response to determination " or " in response to detecting ".Similarly, phrase is " if really
It is fixed " or " if detecting [described condition or event] " can be interpreted to mean according to context " once it is determined that " or " ring
Should be in determination " or " once detecting [described condition or event] " or " in response to detecting [described condition or event] ".
In addition, in the description of present specification and the appended claims, term " first ", " second ", " third "
It is described etc. being only used for distinguishing, is not understood to indicate or imply relative importance.
The reference " one embodiment " described in the specification of the present application or " some embodiments " etc. mean in the application
One or more embodiments in include in conjunction with the embodiment description special characteristic, structure or feature.As a result, in this specification
In difference occur sentence " in one embodiment ", " in some embodiments ", " in some other embodiment ",
" in other embodiments " etc. uninevitable all referring to identical embodiment, mean " one or more but be not
In addition all embodiments " are only otherwise especially emphasized.The terms "include", "comprise", " having " and their change
Shape can mean that " including but not limited to ", only otherwise in addition especially emphasize.
In order to illustrate technical solution described herein, the following is a description of specific embodiments.
Referring to Figure 1, Fig. 1 is a kind of exemplary flow of the fault handling method for battery that the application first embodiment provides
Figure.The executing subject of the fault handling method of battery is the equipment of the trouble handling function with battery in the present embodiment, such as
Battery pack detection device, battery management unit with charge function and provide battery cupboard etc. of battery altering service, can also be with
The equipment for being equipped with battery pack, for example, electric vehicle.The fault handling method of battery as shown in Figure 1 can include:
S101: when detecting that battery pack breaks down, obtain the battery pack battery failures information and the electricity
The battery index parameter of each battery unit in the group of pond；The battery pack includes at least two battery units, the battery
Fault message includes the identification information and failure cause of faulty battery cell.
Equipment carries out fault detection to battery pack in real time, wherein battery pack includes at least two battery units, fault detection
Mode can be following several: physics and chemical measure pass through physics, the chemical shape during observation detection object run
State carries out fault diagnosis, such as analyzes the variation of its voltage, electric current, temperature, volatilization gas characteristic, and with default threshold range
It is compared to carry out breakdown judge；Signal processing detection method carries out event by the signal condition during detection object run
Barrier diagnosis, as signal time domain, the variation of frequency domain, signal content and timing and it is default between difference；Detection method based on model
Suitable for state, the more complicated state for being not easy to observe, is calculated according to model and solve to assess malfunction.Aforesaid way
By way of example only, herein without limitation for the mode of battery failures detection.
When equipment detects that battery pack breaks down, each electricity in the battery failures information and battery pack of battery pack is obtained
The battery index parameter of pool unit, wherein battery failures information includes the identification information and failure cause of faulty battery cell,
The battery index parameter of each battery unit may include the current information and electricity of each battery unit in battery pack in battery pack
Press information.
S102: the battery index parameter based on the battery failures information and each battery unit determines failure
Processing strategie.
Battery index parameter of the equipment based on battery failures information and each battery unit, determines troubleshooting strategy.
Wherein, for troubleshooting strategy for handling failure, troubleshooting strategy may include in battery pack or battery pack
Battery unit processing mode, for example, controlling the cell switch of battery in battery pack unit.Specifically, may be used
To determine troubleshooting strategy in the following manner: it can preset different troubleshooting strategies in equipment, each
Troubleshooting strategy has corresponded to different fault types, and the failure cause in battery failures information can be with according to battery index parameter
There are many fault types.Equipment determines fault type based on battery failures information and battery index parameter, is based on fault type
Corresponding relationship between preset failure processing strategie determines troubleshooting strategy.
S103: troubleshooting is carried out based on the troubleshooting strategy.
Equipment is based on troubleshooting strategy and carries out troubleshooting, and troubleshooting strategy may include to battery pack or battery
The processing mode of battery unit in group, equipment are based on the corresponding processing mode of troubleshooting strategy, carry out troubleshooting.Citing
For, when troubleshooting strategy is to disconnect the charge switch of fail battery in battery pack, equipment is disconnected based on troubleshooting strategy
Open the charge switch of fail battery in battery pack.
In the embodiment of the present application, when detecting that battery pack breaks down, the battery failures information of the battery pack is obtained
And in the battery pack each battery unit battery index parameter；The battery pack includes at least two battery lists
Member, the battery failures information include the identification information and failure cause of faulty battery cell；Believed based on the battery failures
The battery index parameter of breath and each battery unit, determines troubleshooting strategy；Based on the troubleshooting strategy into
Row troubleshooting.Above scheme obtains the battery failures information of battery pack, completely obtains the current state of each battery, base
The normal processing strategie of event is determined in battery failures information, and accurately failure is handled.
Fig. 2 is referred to, Fig. 2 is the signal stream of the fault handling method for another battery that the application second embodiment provides
Cheng Tu.The executing subject of the fault handling method of battery is the equipment of the trouble handling function with battery, example in the present embodiment
Such as battery pack detection device, battery management unit, the battery cupboard with charge function and offer battery altering service, can also
Equipment to be equipped with battery pack, for example, electric vehicle.In order to further accurately carry out troubleshooting, the present embodiment and first
The difference of embodiment is S203, wherein S201~S202 in the present embodiment and S101~S102 phase in first embodiment
Together, in the present embodiment, the battery index parameter include each battery unit current operating current and operating voltage,
Voltage difference threshold value between the battery unit；Each battery pack is corresponding with a charge switch and discharge switch, this reality
Applying the S203 in example is the further refinement to the S103 in first embodiment, as shown in Fig. 2, S203 is specific as follows:
S203: when the operating voltage difference between the battery unit is less than the voltage difference threshold value, it is based on the electricity
Pond fault message disconnects the charge switch and/or discharge switch of the faulty battery cell in the battery pack.
In the present embodiment, battery index parameter includes the current operating current of each battery unit and operating voltage, electricity
Voltage difference threshold value between pool unit, each battery pack are corresponding with a charge switch and discharge switch.Wherein, battery unit
Maximum voltage when voltage threshold is the battery units in parallel in battery pack.When the operating voltage difference between the battery unit
When less than the voltage difference threshold value, determine that the battery unit in battery pack is in complete parallel connection, all electricity in battery pack
The charge switch of pool unit is all the state being connected to discharge switch.Since all battery units in battery pack are in completely
When parallel connection, the operating voltage of each battery unit is less than voltage threshold, i.e., the work of each battery unit in battery pack
Voltage meets preset security parameter.Therefore, it can be detected in battery pack by the voltage difference between the battery unit of battery pack
Battery unit whether be in full parallel connection.It is corresponding when determining that the battery unit in battery pack is in complete parallel connection
Troubleshooting strategy be to disconnect the charge switch of the faulty battery cell in battery pack based on battery failures information and/or put
Electric switch.When determining that the battery unit in battery pack is in complete parallel connection, it is based on battery failures information, disconnects battery pack
The charge switch and/or discharge switch of interior faulty battery cell, wherein disconnect the charging of the faulty battery cell in battery pack
Switch and/or discharge switch include disconnect battery pack in faulty battery cell charge switch, disconnect battery pack in failure
The discharge switch of battery unit or the charge switch and discharge switch for disconnecting the faulty battery cell in battery pack.
Further, the battery failures information includes discharge fault and/or charge fault, in order to further accurately into
Row troubleshooting, S203 may include S2031~S2033, as shown in figure 3, S2031~S2033 is specific as follows:
S2031: when discharge fault occurs for first battery unit of battery failures message identification, first electricity is disconnected
The discharge switch of pool unit.
In the present embodiment, battery failures information includes discharge fault and/or charge fault, i.e. battery failures information includes
Three kinds of situations: discharge fault and charge fault occur simultaneously for discharge fault, charge fault.
Discharge fault is that battery carries out abnormal electric discharge, for example, uncontrolled the case where voluntarily being discharged.First battery
Unit is any battery unit to break down in battery pack.When electric discharge event occurs for the first battery unit of battery failures message identification
When barrier, equipment disconnects the discharge switch of the first battery unit.Wherein, the first battery unit is any battery unit in battery pack,
When all discharge fault occurs for battery units multiple in battery pack, the electric discharge for disconnecting each battery unit that discharge fault occurs is opened
It closes.
S2032: when charge fault occurs for first battery unit of battery failures message identification, first electricity is disconnected
The charge switch of pool unit.
Charge fault is that battery can not be charged normal, for example, battery can fill the situation of electricity.When battery failures are believed
When charge fault occurs for breath the first battery unit of mark, equipment disconnects the charge switch of the first battery unit.Wherein, the first battery
Unit is that any battery unit disconnects each hair when all charge fault occurs for battery units multiple in battery pack in battery pack
The charge switch of the battery unit of raw discharge fault.
S2033: when charge fault and discharge fault occur for first battery unit of battery failures message identification, break
Open the charge switch and discharge switch of first battery unit.
When charge fault and discharge fault occur for the first battery unit of battery failures message identification, i.e. the first battery was both
Can not charge normal, also can not regular picture, at this point, equipment simultaneously switches off the charge switch of the first battery unit and electric discharge is opened
It closes.
Fig. 4 is referred to, Fig. 4 is the signal stream of the fault handling method for another battery that the application 3rd embodiment provides
Cheng Tu.The executing subject of the fault handling method of battery is the equipment of the trouble handling function with battery, example in the present embodiment
Such as battery pack detection device, battery management unit, the battery cupboard with charge function and offer battery altering service, can also
Equipment to be equipped with battery pack, for example, electric vehicle.In order to further accurately carry out troubleshooting, the present embodiment and first
The difference of embodiment is S303, wherein S301~S302 in the present embodiment and S101~S102 phase in first embodiment
Together, the S303 in the present embodiment is the further refinement to the S103 in first embodiment, as shown in figure 4, S303 is specific as follows:
S303: it when the operating voltage difference between the battery unit is greater than or equal to the voltage difference threshold value, is based on
The battery index parameter of the battery failures information and each battery unit controls each battery unit and respectively corresponds to
Charge switch and/or discharge switch.
In the present embodiment, battery index parameter includes the current operating current of each battery unit and operating voltage, electricity
Voltage difference threshold value between pool unit, each battery pack are connected with a charge switch and discharge switch.Wherein, battery unit
Maximum voltage when voltage threshold is the battery units in parallel in battery pack.When the operating voltage difference between the battery unit
When more than or equal to the voltage difference threshold value, determine that the battery unit in battery pack is not at complete parallel connection, i.e., non-fully
Parallel connection, the voltage of the battery unit in battery pack is different at this time, it may occur that mutually the case where charging, so connection electricity at this time
The charge switch and discharge switch of the higher battery unit of Chi Zuzhong voltage disconnect the lower battery unit of voltage in battery pack
Charge switch, the discharge switch for being connected to the lower battery unit of Chi Zuzhong voltage.Non-fully parallel connection is the electricity in battery pack
Operating voltage difference between pool unit is greater than or equal to the voltage difference threshold value.When the battery unit in judgement battery pack is in
Non-fully when parallel connection, corresponding troubleshooting strategy is to control each corresponding charge switch of battery unit
And/or discharge switch.When determining that the battery unit in battery pack is in non-fully parallel connection, it is based on battery failures information,
Control the charge switch and/or discharge switch of the faulty battery cell in battery pack, wherein the fail battery in control battery pack
The charge switch and/or discharge switch of unit include the charge switch for controlling the faulty battery cell in battery pack, control battery
The discharge switch of faulty battery cell in group controls the charge switch of faulty battery cell in battery pack simultaneously and puts
Electric switch.
Fig. 5 is referred to, Fig. 5 is the signal stream of the fault handling method for another battery that the 5th embodiment of the application provides
Cheng Tu.The executing subject of the fault handling method of battery is the equipment of the trouble handling function with battery, example in the present embodiment
Such as battery pack detection device, battery management unit, the battery cupboard with charge function and offer battery altering service, can also
Equipment to be equipped with battery pack, for example, electric vehicle.In order to further accurately carry out troubleshooting, the present embodiment and the 4th
The difference of embodiment is S403~S404, wherein in the present embodiment, battery pack includes the second battery unit and third battery
Unit, S401~S402 in the present embodiment is identical as S301~S302 in fourth embodiment, and the S403 in the present embodiment~
S404 is the further refinement to the S303 in fourth embodiment, as shown in figure 5, S403~S404 is specific as follows:
S403: the second cell malfunctions described in the battery failures message identification, second battery unit
Operating voltage value be greater than the third battery unit operating voltage value when, be based on the corresponding failure of second battery unit
Processing strategie controls the charge switch and/or discharge switch of second battery unit.
In the present embodiment, battery pack includes the second battery unit and third battery unit, i.e., in the present embodiment, battery
Group is double storehouses battery structure, including two battery units.By in this present embodiment, battery pack is in non-fully parallel connection, institute
With, the voltage of two battery units is not identical at this time, and voltage is high for the second battery unit in two battery units of label, and two
Voltage is low for third battery unit in a battery unit, then the operating voltage value of the second battery unit is greater than third battery unit
Operating voltage value.
The second cell malfunctions of battery failures message identification determine the second battery unit based on battery failures information
Corresponding troubleshooting strategy.Based on the corresponding troubleshooting strategy of the second battery unit, the charging of the second battery unit is controlled
Switch and/or discharge switch.
Further, in order to further accurately carry out troubleshooting, S403 may include S4031~S4033, such as Fig. 6
Shown, S4031~S4033 is specific as follows:
S4031: when discharge fault occurs for the second battery unit described in the battery failures message identification, described the is disconnected
The discharge switch of two battery units is connected to the charge switch of the third battery unit.
In the present embodiment, battery failures information includes discharge fault and/or charge fault, i.e. battery failures information includes
Three kinds of situations: discharge fault and charge fault occur simultaneously for discharge fault, charge fault.
Discharge fault is that battery carries out abnormal electric discharge, for example, uncontrolled the case where voluntarily being discharged.When battery event
When hindering the second battery unit of message identification generation discharge fault, equipment disconnects the discharge switch of the second battery unit, is connected to third
The charge switch of battery unit.Wherein, the second battery unit is the higher battery of voltage in two battery units in battery pack
Unit disconnects the discharge switch of the second battery unit, at this point, the second battery list when discharge fault occurs in the second battery unit
Member not will do it electric discharge, can be connected to the charge switch of third battery unit.
S4032: when charge fault occurs for the second battery unit described in the battery failures message identification, described the is disconnected
The charge switch of two battery units.
Charge fault is that battery can not be charged normal, for example, battery can fill the situation of electricity.When battery failures are believed
When charge fault occurs for breath the second battery unit of mark, equipment disconnects the charge switch of the second battery unit.Wherein, the second battery
Unit is the higher battery unit of voltage in two battery units in battery pack, when charge fault occurs in the second battery unit
When, the charge switch of the second battery unit is disconnected, at this point, second unit can still discharge, then cannot be connected to the
The charge switch of three battery units.
S4033: charge fault and discharge fault occur for the second battery unit described in the battery failures message identification
When, the charge switch and discharge switch of second battery unit are disconnected, the charge switch of the third battery unit is connected to.
Simultaneously charge fault and discharge fault occur for the second battery unit of battery failures message identification, i.e., at this time second electricity
Pool unit can not charge and discharge, and disconnect the charge switch and discharge switch of the second battery unit, the second battery unit phase
When the charge switch of third battery unit can be connected in not being available.
S404: the third cell malfunctions described in the battery failures message identification, second battery unit
Operating voltage value be greater than the third battery unit operating voltage value when, be based on the corresponding failure of the third battery unit
Processing strategie controls the charge switch and/or discharge switch of the third battery unit.
In the present embodiment, battery pack includes the second battery unit and third battery unit, i.e., in the present embodiment, battery
Group is double storehouses battery structure, including two battery units.By in this present embodiment, battery pack is in non-fully parallel connection, institute
With, the voltage of two battery units is not identical at this time, and voltage is high for the second battery unit in two battery units of label, and two
Voltage is low for third battery unit in a battery unit, then the operating voltage value of the second battery unit is greater than third battery unit
Operating voltage value.
Battery failures message identification third cell malfunctions, determine third battery unit based on battery failures information
Corresponding troubleshooting strategy.Based on the corresponding troubleshooting strategy of third battery unit, the charging of third battery unit is controlled
Switch and/or discharge switch.
Further, in order to further accurately carry out troubleshooting, S404 may include S4041~S4043, such as Fig. 7
Shown, S4041~S4043 is specific as follows:
S4041: when discharge fault occurs for the third battery unit described in the battery failures message identification, described the is disconnected
The discharge switch of three battery units.
In the present embodiment, battery failures information includes discharge fault and/or charge fault, i.e. battery failures information includes
Three kinds of situations: discharge fault and charge fault occur simultaneously for discharge fault, charge fault.
Discharge fault is that battery carries out abnormal electric discharge, for example, uncontrolled the case where voluntarily being discharged.When battery event
When hindering message identification third battery unit generation discharge fault, equipment disconnects the discharge switch of third battery unit.Wherein, third
Battery unit is the lower battery unit of voltage in two battery units in battery pack, when electric discharge event occurs in third battery unit
When barrier, the discharge switch of third battery unit is disconnected, at this point, not having to handle the second battery unit.
S4042: it when charge fault occurs for the third battery unit described in the battery failures message identification, is not processed.
Charge fault is that battery can not be charged normal, for example, battery can fill the situation of electricity.When battery failures are believed
When charge fault occurs for breath mark third battery unit, in non-fully parallel connection, the charge switch of third battery has been located
In off-state, do not have to be handled at this time.
S4043: charge fault and discharge fault occur for the third battery unit described in the battery failures message identification
When, disconnect the charge switch of the third battery unit.
Simultaneously charge fault and discharge fault occur for battery failures message identification third battery unit, i.e., third is electric at this time
Pool unit can not charge and discharge, and disconnect the charge switch of third battery unit.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present application constitutes any limit
It is fixed.
Fig. 8 is referred to, Fig. 8 is a kind of schematic diagram of the fault treating apparatus for battery that sixth embodiment of the invention provides.
Including each unit be used to execute each step in the corresponding embodiment of FIG. 1 to FIG. 7.It is respectively corresponded to referring specifically to FIG. 1 to FIG. 7
Embodiment in associated description.For ease of description, only the parts related to this embodiment are shown.Referring to Fig. 8, battery
Fault treating apparatus 8 includes:
Acquiring unit 810, for when detecting that battery pack breaks down, obtaining the battery failures information of the battery pack
And in the battery pack each battery unit battery index parameter；The battery pack includes at least two battery lists
Member, the battery failures information include the identification information and failure cause of faulty battery cell；
Determination unit 820, for based on the battery failures information and the battery index of each battery unit ginseng
Number, determines troubleshooting strategy；
First processing units 830, for carrying out troubleshooting based on the troubleshooting strategy.
Further, the battery index parameter includes the current operating current of each battery unit and work electricity
Voltage difference threshold value between pressure, the battery unit；Each battery pack is corresponding with a charge switch and discharge switch, the
One processing unit 830, comprising:
The second processing unit, for being less than the voltage difference threshold value when the operating voltage difference between the battery unit
When, it is based on the battery failures information, the charge switch and/or electric discharge for disconnecting the faulty battery cell in the battery pack are opened
It closes.
Further, the battery failures information includes discharge fault and/or charge fault, the second processing unit, specifically
For:
When discharge fault occurs for first battery unit of battery failures message identification, first battery unit is disconnected
Discharge switch；
When charge fault occurs for first battery unit of battery failures message identification, first battery unit is disconnected
Charge switch；
When charge fault and discharge fault occur for first battery unit of battery failures message identification, described in disconnection
The charge switch and discharge switch of first battery unit.
Further, first processing units 830, comprising:
Third processing unit, for being greater than or equal to the voltage difference when the operating voltage difference between the battery unit
When threshold value, the battery index parameter based on the battery failures information and each battery unit controls each battery
The corresponding charge switch of unit and/or discharge switch.
Further, the battery pack include the second battery unit and third battery unit, the third processing unit,
Include:
Fourth processing unit, it is described for working as the second cell malfunctions described in the battery failures message identification
When the operating voltage value of second battery unit is greater than the operating voltage value of the third battery unit, it is based on the second battery list
The corresponding troubleshooting strategy of member, controls the charge switch and/or discharge switch of second battery unit；
5th processing unit, it is described for working as third cell malfunctions described in the battery failures message identification
When the operating voltage value of second battery unit is greater than the operating voltage value of the third battery unit, it is based on the third battery list
The corresponding troubleshooting strategy of member, controls the charge switch and/or discharge switch of the third battery unit.
Further, the fourth processing unit, is specifically used for:
When discharge fault occurs for the second battery unit described in the battery failures message identification, second battery is disconnected
The discharge switch of unit is connected to the charge switch of the third battery unit；
When charge fault occurs for the second battery unit described in the battery failures message identification, second battery is disconnected
The charge switch of unit；
When charge fault and discharge fault occur for the second battery unit described in the battery failures message identification, disconnect
The charge switch and discharge switch of second battery unit are connected to the charge switch of the third battery unit.
Further, the 5th processing unit, is specifically used for:
When discharge fault occurs for the third battery unit described in the battery failures message identification, the third battery is disconnected
The discharge switch of unit；
When charge fault occurs for the third battery unit described in the battery failures message identification, it is not processed；
When charge fault and discharge fault occur for the third battery unit described in the battery failures message identification, disconnect
The charge switch of the third battery unit.
Fig. 9 is the schematic diagram of the troubleshooting equipment for the battery that the 7th embodiment of the application provides.As shown in figure 9, the reality
The troubleshooting equipment 9 for applying the battery of example includes: processor 90, memory 91 and is stored in the memory 91 and can be
The computer program 92 run on the processor 90, such as the exception handles of battery.The processor 90 executes described
The step in the fault handling method embodiment of above-mentioned each battery, such as step shown in FIG. 1 are realized when computer program 92
101 to 103.Alternatively, the processor 90 realized when executing the computer program 92 each module in above-mentioned each Installation practice/
The function of unit, such as the function of module 810 to 830 shown in Fig. 8.
Illustratively, the computer program 92 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 91, and are executed by the processor 90, to complete the application.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Implementation procedure of the computer program 92 in the troubleshooting equipment 9 of the battery is described.For example, the computer program
92 can be divided into acquiring unit, determination unit, first processing units, and each unit concrete function is as follows:
Acquiring unit, for when detecting that battery pack breaks down, obtain the battery failures information of the battery pack with
And in the battery pack each battery unit battery index parameter；The battery pack includes at least two battery units,
The battery failures information includes the identification information and failure cause of faulty battery cell；
Determination unit, for the battery index parameter based on the battery failures information and each battery unit,
Determine troubleshooting strategy；
First processing units, for carrying out troubleshooting based on the troubleshooting strategy.
The troubleshooting equipment of the battery may include, but be not limited only to, processor 90, memory 91.Art technology
Personnel are appreciated that Fig. 9 is only the example of the troubleshooting equipment 9 of battery, not the troubleshooting equipment 9 of structure battery pair
Restriction, may include perhaps combining certain components or different components, such as institute than illustrating more or fewer components
The troubleshooting equipment for stating battery can also include input-output equipment, network access equipment, bus etc..
Alleged processor 90 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 91 can be the internal storage unit of the troubleshooting equipment 9 of the battery, such as the event of battery
Hinder the hard disk or memory of processing equipment 9.The memory 91 is also possible to the external storage of the troubleshooting equipment 9 of the battery
The plug-in type hard disk being equipped in equipment, such as the troubleshooting equipment 9 of the battery, intelligent memory card (Smart Media
Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash Card) etc..Further, described to deposit
Reservoir 91 can also both including the battery troubleshooting equipment 9 internal storage unit and also including External memory equipment.Institute
Memory 91 is stated for storing other program sum numbers needed for the troubleshooting equipment of the computer program and the battery
According to.The memory 91 can be also used for temporarily storing the data that has exported or will export.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
In embodiment provided herein, it should be understood that disclosed device/terminal device and method, it can be with
It realizes by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of logical function partition, there may be another division manner in actual implementation, such as
Multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device
Or the INDIRECT COUPLING or communication connection of unit, it can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the application realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..Computer-readable Jie
Matter may include: can carry the computer program code any entity or device, recording medium, USB flash disk, mobile hard disk,
Magnetic disk, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to the requirement made laws in jurisdiction with patent practice
Subtract, such as does not include electric carrier signal and electricity according to legislation and patent practice, computer-readable medium in certain jurisdictions
Believe signal.
Embodiment described above is only to illustrate the technical solution of the application, rather than its limitations；Although referring to aforementioned reality
Example is applied the application is described in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution should all
Comprising within the scope of protection of this application.
Claims (10)
1. a kind of fault handling method of battery characterized by comprising
When detecting that battery pack breaks down, obtain each in the battery failures information and the battery pack of the battery pack
The battery index parameter of battery unit；The battery pack includes at least two battery units, the battery failures packet
Include the identification information and failure cause of faulty battery cell；
Battery index parameter based on the battery failures information and each battery unit, determines troubleshooting strategy；
Troubleshooting is carried out based on the troubleshooting strategy.
2. the fault handling method of battery as described in claim 1, which is characterized in that the battery index parameter includes each
Voltage difference threshold value between the current operating current of the battery unit and operating voltage, the battery unit；It is each described
Battery pack is corresponding with a charge switch and discharge switch；
It is described that troubleshooting is carried out based on the troubleshooting strategy, comprising:
When the operating voltage difference between the battery unit is less than the voltage difference threshold value, believed based on the battery failures
Breath, disconnects the charge switch and/or discharge switch of the faulty battery cell in the battery pack.
3. the fault handling method of battery as claimed in claim 2, which is characterized in that the battery failures information includes electric discharge
Failure and/or charge fault；
When the operating voltage difference when between the battery unit is less than the voltage difference threshold value, it is based on the battery failures
Information disconnects the charge switch and/or discharge switch of the faulty battery cell in the battery pack, comprising:
When discharge fault occurs for first battery unit of battery failures message identification, putting for first battery unit is disconnected
Electric switch；
When charge fault occurs for first battery unit of battery failures message identification, filling for first battery unit is disconnected
Electric switch；
When charge fault and discharge fault occur for first battery unit of battery failures message identification, described first is disconnected
The charge switch and discharge switch of battery unit.
4. the fault handling method of battery as described in claim 1, which is characterized in that described to be based on the troubleshooting strategy
Carry out troubleshooting, comprising:
When the operating voltage difference between the battery unit is greater than or equal to the voltage difference threshold value, it is based on the battery
The battery index parameter of fault message and each battery unit controls the corresponding charging of each battery unit and opens
Pass and/or discharge switch.
5. the fault handling method of battery as claimed in claim 4, which is characterized in that the battery pack includes the second battery list
Member and third battery unit；
When the operating voltage difference when between the battery unit is greater than or equal to the voltage difference threshold value, based on described
The battery index parameter of battery failures information and each battery unit, each battery unit of control is corresponding to be filled
Electric switch and/or discharge switch, comprising:
The second cell malfunctions described in the battery failures message identification, the operating voltage of second battery unit
When value is greater than the operating voltage value of the third battery unit, it is based on the corresponding troubleshooting strategy of second battery unit,
Control the charge switch and/or discharge switch of second battery unit；
The third cell malfunctions described in the battery failures message identification, the operating voltage of second battery unit
When value is greater than the operating voltage value of the third battery unit, it is based on the corresponding troubleshooting strategy of the third battery unit,
Control the charge switch and/or discharge switch of the third battery unit.
6. the fault handling method of battery as claimed in claim 5, which is characterized in that described to work as the battery failures information mark
Know second cell malfunctions, the operating voltage value of second battery unit is greater than the third battery unit
When operating voltage value, it is based on the corresponding troubleshooting strategy of second battery unit, controls filling for second battery unit
Electric switch and/or discharge switch, comprising:
When discharge fault occurs for the second battery unit described in the battery failures message identification, second battery unit is disconnected
Discharge switch, be connected to the charge switch of the third battery unit；
When charge fault occurs for the second battery unit described in the battery failures message identification, second battery unit is disconnected
Charge switch；
When charge fault and discharge fault occur for the second battery unit described in the battery failures message identification, described in disconnection
The charge switch and discharge switch of second battery unit are connected to the charge switch of the third battery unit.
7. the fault handling method of battery as claimed in claim 5, which is characterized in that described to work as the battery failures information mark
Know the third cell malfunctions, the operating voltage value of second battery unit is greater than the third battery unit
When operating voltage value, it is based on the corresponding troubleshooting strategy of the third battery unit, controls filling for the third battery unit
Electric switch and/or discharge switch, comprising:
When discharge fault occurs for the third battery unit described in the battery failures message identification, the third battery unit is disconnected
Discharge switch；
When charge fault occurs for the third battery unit described in the battery failures message identification, it is not processed；
When charge fault and discharge fault occur for the third battery unit described in the battery failures message identification, described in disconnection
The charge switch of third battery unit.
8. a kind of fault treating apparatus of battery characterized by comprising
Acquiring unit, for when detecting that battery pack breaks down, obtaining battery failures information and the institute of the battery pack
State the battery index parameter of each battery unit in battery pack；The battery pack includes at least two battery units, described
Battery failures information includes the identification information and failure cause of faulty battery cell；
Determination unit is determined for the battery index parameter based on the battery failures information and each battery unit
Troubleshooting strategy；
First processing units, for carrying out troubleshooting based on the troubleshooting strategy.
9. a kind of troubleshooting equipment of battery, including memory, processor and storage are in the memory and can be in institute
State the computer program run on processor, which is characterized in that the processor is realized when executing the computer program as weighed
Benefit requires the step of any one of 1 to 7 the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In when the computer program is executed by processor the step of any one of such as claim 1 to 7 of realization the method.
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| CN201910695360.0A CN110492557B (en) | 2019-07-30 | 2019-07-30 | Battery fault processing method and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910695360.0A CN110492557B (en) | 2019-07-30 | 2019-07-30 | Battery fault processing method and equipment |
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Cited By (1)
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| CN112615042A (en) * | 2020-11-30 | 2021-04-06 | 上海航天电源技术有限责任公司 | Anti-overcharging battery pack device |
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| CN110492557B (en) | 2021-07-13 |
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