CN116047336A - Battery formation monitoring method and device - Google Patents
Battery formation monitoring method and device Download PDFInfo
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- CN116047336A CN116047336A CN202310301014.6A CN202310301014A CN116047336A CN 116047336 A CN116047336 A CN 116047336A CN 202310301014 A CN202310301014 A CN 202310301014A CN 116047336 A CN116047336 A CN 116047336A
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 145
- 238000000034 method Methods 0.000 title claims abstract description 97
- 238000012544 monitoring process Methods 0.000 title claims abstract description 56
- 238000012986 modification Methods 0.000 claims abstract description 82
- 230000004048 modification Effects 0.000 claims abstract description 81
- 238000012545 processing Methods 0.000 claims abstract description 16
- 239000003086 colorant Substances 0.000 claims description 20
- 230000002159 abnormal effect Effects 0.000 claims description 17
- 238000009877 rendering Methods 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 8
- 238000010280 constant potential charging Methods 0.000 description 26
- 238000010277 constant-current charging Methods 0.000 description 26
- 238000007599 discharging Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 229910052744 lithium Inorganic materials 0.000 description 4
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- 238000012806 monitoring device Methods 0.000 description 3
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
- G01R31/3865—Arrangements for measuring battery or accumulator variables related to manufacture, e.g. testing after manufacture
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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
- H01M10/4285—Testing apparatus
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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
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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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
- 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
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- Y02E60/10—Energy storage using batteries
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Abstract
The invention provides a battery formation monitoring method and device, wherein the method comprises the following steps: the method comprises the steps of acquiring a step selected by a user through an upper computer, inquiring parameters corresponding to the step based on the step selected by the user, and acquiring modification rights of the parameters; the method comprises the steps of acquiring operation data obtained by modifying parameters based on modification permission by a user through an upper computer, and processing the operation data to obtain an operation instruction; and the battery formation data obtained by monitoring each battery in real time by the lower computer is transmitted to the upper computer through the middle computer. The invention realizes the simultaneous formation of a plurality of batteries; the accurate modification of the corresponding parameters of the process step is realized by setting the modification authority, so that the operation error rate is reduced; and the battery formation state of each battery is monitored and displayed in real time through the upper computer so as to ensure the formation to work normally.
Description
Technical Field
The invention belongs to the technical field of battery formation, and particularly relates to a battery formation monitoring method and device.
Background
With the development of new energy and energy storage industry, lithium batteries with the advantages of high voltage, light weight, small volume, long service life and the like are widely used. In the manufacturing process of the lithium battery, a plurality of steps, namely, standing, constant-current charging, constant-current discharging, constant-voltage charging, off-line, finishing and the like of the battery are required, so that the battery core of the lithium battery is activated, and the performance of the lithium battery reaches the standard.
In the prior art, battery formation monitoring systems suffer from the following drawbacks: one, the limited number of cells that existing systems control and monitor, affects the efficiency of battery formation. Secondly, the existing monitoring system cannot display real-time data of the battery, and the readability is poor. Thirdly, the existing system can only independently carry out each process step, and each process step is easy to generate errors in the setting process, so that the formation efficiency is affected.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a battery formation monitoring method and device, which have the advantages of high battery formation efficiency and simple and convenient operation. The method is realized by the following technical scheme:
a battery formation monitoring method is applied to a battery formation monitoring system comprising an upper computer, a middle computer and a lower computer; the upper computer is connected with one or more middle computers through a local area network, and each middle computer is connected with one or more lower computers through a CAN bus;
the method comprises the following steps:
the process step selected by the user is obtained through the upper computer;
inquiring parameters corresponding to the process steps based on the process steps selected by the user, and acquiring modification rights of the parameters;
acquiring operation data obtained by modifying the parameters based on the modification authority by a user through the upper computer, and processing the operation data to obtain an operation instruction;
the operation instructions are issued to all the middle position machines connected with the upper position machine through the upper position machine, and the operation instructions are forwarded to the lower position machine through the middle position machine, so that the lower position machine performs formation work on the battery according to the operation instructions;
and the battery formation data obtained by monitoring each battery in real time by the lower computer is transmitted to the upper computer through the middle computer, so that the upper computer displays the battery formation data of each battery.
In one embodiment, the displaying, by the host computer, the battery formation data of each battery includes:
determining battery state information corresponding to the process steps for each battery;
determining scene colors corresponding to the steps based on the steps, wherein different steps correspond to different scene colors;
and rendering the battery state information based on the scene color so as to display the battery formation data of each battery through the upper computer.
In a specific embodiment, the obtaining the operation data obtained by modifying the parameter by the user based on the modification authority includes:
determining, for each of the parameters, a value of the user modification to the parameter;
judging whether the numerical value of the parameter modified by the user is in a preset range or not;
if the numerical value of the parameter is within the preset range, granting the user permission to confirm modification, and summarizing the operation data after the parameter modification by responding to the operation of confirming modification by the user;
otherwise, canceling the permission of the user to confirm the modification, and prompting that the operation data cannot be generated.
In a specific embodiment, the method further comprises:
judging whether the battery formation data are located in a preset interval or not;
if the battery formation data exceeds the preset interval, recording the formation data through the upper computer to generate an abnormal log; and generating an interrupt instruction through the upper computer, and transmitting the interrupt instruction to the lower computer through the middle computer so that the lower computer stops formation operation based on the interrupt instruction.
In a specific embodiment, the battery formation data includes current data of a single battery and voltage data of the single battery, and the current data of the single battery and the voltage data of the single battery each correspond to different preset intervals.
In a specific embodiment, the battery formation data includes current change data of the unit cell; the current change data of the single battery corresponds to the preset interval.
In a specific embodiment, the battery formation monitoring system further includes a bypass board, the bypass board is connected to the lower computer, a plurality of pairs of battery ports are arranged on the bypass board, the plurality of pairs of battery ports are sequentially arranged along the length direction of the bypass board, and the plurality of pairs of battery ports are used for realizing parallel connection of a plurality of batteries; and each pair of battery ports is provided with a switch;
the method further comprises the steps of:
for each battery, judging whether the operation instruction is one of an offline operation instruction, a completed operation instruction and a standing operation instruction,
if yes, the lower computer controls the switch corresponding to the bypass board to be disconnected according to the operation instruction so as to realize the power on-off of the single battery.
In a specific embodiment, a signal acquisition module is arranged on the bypass board, and the signal acquisition module is located at the end part of the bypass board, and acquires battery formation information in real time through the signal acquisition module, so that a lower computer monitors battery formation data in real time.
The device is applied to a battery formation monitoring system comprising an upper computer, a middle computer and a lower computer; the upper computer is connected with one or more middle computers through a local area network, and each middle computer is connected with one or more lower computers through a CAN bus;
the device comprises:
the step acquisition module is used for acquiring a step selected by a user through the upper computer;
the modification permission acquisition module is used for inquiring parameters corresponding to the process steps based on the process steps selected by the user and acquiring modification permissions of the parameters;
the processing module is used for acquiring operation data obtained by modifying the parameters based on the modification permission by a user through the upper computer, and processing the operation data to obtain an operation instruction;
the formation module is used for issuing the operation instruction to all the middle position machines connected with the upper computer through the upper computer, and forwarding the operation instruction to the lower computer through the middle position machines so that the lower computer performs formation work on the battery according to the operation instruction;
and the display module is used for transmitting the battery formation data obtained by monitoring each battery in real time by the lower computer to the upper computer through the middle computer so that the upper computer displays the battery formation data of each battery.
In a specific embodiment, the display module includes:
the information determining module is used for determining the process steps and battery state information corresponding to the process steps for each battery;
the scene color determining module is used for determining scene colors corresponding to the steps based on the steps, and different steps correspond to different scene colors;
and the rendering module is used for rendering the battery state information based on the scene color so as to display the battery formation data of each battery through the upper computer.
The invention has at least the following beneficial effects:
the invention provides a battery formation monitoring method and device, which are both applied to a battery formation monitoring system comprising an upper computer, a middle computer and a lower computer; the upper computer is connected with one or more middle computers through a local area network, and each middle computer is connected with one or more lower computers through a CAN bus. The method comprises the following steps: the method comprises the steps of acquiring a step selected by a user through an upper computer, inquiring parameters corresponding to the step based on the step selected by the user, and acquiring modification rights of the parameters; the method comprises the steps of acquiring operation data obtained by modifying parameters based on modification permission by a user through an upper computer, and processing the operation data to obtain an operation instruction; and the battery formation data obtained by monitoring each battery in real time by the lower computer is forwarded to the upper computer through the middle computer, so that the upper computer displays the battery formation data of each battery. According to the battery formation monitoring method, formation of a plurality of batteries is achieved simultaneously, and formation efficiency is improved; the state information of the battery is displayed in real time through the upper computer, so that when the battery runs abnormally, the abnormal information of the battery can be found in time; and each battery is automatically controlled to charge and discharge according to a set process flow, so that the error rate of operation is reduced, and the normal operation of battery formation is ensured.
Further, determining a step and battery state information corresponding to the step for each battery; determining scene colors corresponding to the steps based on the steps, wherein different steps correspond to different scene colors; and rendering the battery state information based on scene colors so as to display battery formation data of each battery through an upper computer, thereby more intuitively knowing the information of the battery and realizing the visualization of the information.
Further, judging whether the battery formation data is located in a preset interval; if the battery formation data exceeds the preset interval, the upper computer records the formation data to generate an abnormal log; and an interrupt instruction is generated through the upper computer, and the interrupt instruction is transmitted to the lower computer through the middle computer, so that the lower computer stops formation operation based on the interrupt instruction, thereby realizing real-time monitoring of the battery, timely finding out abnormal information of the battery and stopping working for maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic flow chart of a battery formation monitoring method according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a process step of a battery formation monitoring method according to embodiment 1 of the present invention;
fig. 3 is a schematic diagram illustrating parameter modification of a battery formation monitoring method according to embodiment 1 of the present invention;
fig. 4 is a schematic diagram of a module frame of a battery compartment of an earphone according to embodiment 1 of the present invention;
fig. 5 is an overall schematic diagram of a battery formation monitoring method according to embodiment 1 of the present invention;
fig. 6 is a diagram showing battery formation data of the battery formation monitoring method according to embodiment 1 of the present invention;
fig. 7 is a schematic block diagram of a battery formation monitoring device according to embodiment 2 of the present invention;
fig. 8 is a schematic diagram of a bypass board of a battery formation monitoring method according to embodiment 1 of the present invention.
Reference numerals:
the system comprises a 1-step acquisition module, a 2-modification authority acquisition module; a 3-processing module, a 4-formation module; 5-a display module;
22-auxiliary power interface;
23-a signal acquisition module;
24-a temperature sensor;
25-MOS tube; 211-input terminal; 212-output.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in FIG. 1, a method for monitoring battery formation is applied to a battery formation monitoring system comprising an upper computer, a middle computer and a lower computer; the upper computer is connected with one or more middle computers through a local area network, and each middle computer is connected with one or more lower computers through a CAN bus. The method comprises the following steps:
s1, acquiring a step selected by a user through an upper computer;
s2, inquiring parameters corresponding to the steps based on the steps selected by the user, and acquiring modification rights of the parameters;
s3, acquiring operation data obtained by modifying parameters based on modification rights by a user through an upper computer, and processing the operation data to obtain an operation instruction;
s4, issuing operation instructions to all the middle position machines connected with the upper position machines through the upper position machines, and forwarding the operation instructions to the lower position machines through the middle position machines so that the lower position machines perform formation work on the battery according to the operation instructions;
and S5, forwarding battery formation data obtained by monitoring each battery in real time by the lower computer to the upper computer through the middle computer so that the upper computer displays the battery formation data of each battery.
Compared with the prior art, the battery formation monitoring method has the advantages that the state information of the battery is displayed in real time through the upper computer, so that when the battery is abnormal in operation, the abnormal information of the battery can be found in time; and each battery is automatically controlled to charge and discharge according to a set process flow, so that the error rate of operation is reduced, and the normal operation of battery formation is ensured; the battery formation monitoring method realizes formation operation of a plurality of batteries and simultaneously monitors each battery so as to discover abnormal states of the batteries in time and stop battery formation work in time to reduce unqualified batteries.
As shown in fig. 1 to 6, S1 "before the step of obtaining the user selection by the upper computer" includes:
the upper computer is preset with the steps of standing, constant current charging, constant current discharging, constant voltage charging, off-line and finished.
Parameters corresponding to standing, constant current charging, constant current discharging, constant voltage charging, off-line and completion of the steps are preset in the upper computer.
Setting modification authorities of parameters corresponding to standing, constant-current charging, constant-current discharging, constant-voltage charging, off-line and completion of the steps in advance on an upper computer; different steps correspond to different ranges of modification rights. The modification authority comprises a modified parameter type and a preset range of parameter modification values. By presetting a plurality of steps and parameters corresponding to the steps, the automatic control of charging and discharging of each battery according to the set step flow is realized, so that the error rate of operation is reduced, and by setting the parameter modification authority corresponding to the steps, the accurate modification of the parameters of each step is realized, and misoperation is avoided.
In one embodiment, parameters of standing, constant current charging, constant current discharging, constant voltage charging, off-line and finishing the process steps are preset in the upper computer; parameters include current, off-current, voltage, time, capacity parameters, energy, etc. Wherein, the modification authority corresponding to the time parameter is kept stand; the constant current charging corresponds to the modification authority of setting current, voltage, time and capacity parameters; the constant current discharge corresponds to the modification authority of setting current, voltage, time and capacity parameters; the constant voltage charging corresponds to the modification authority of the set current, cut-off current, voltage, time and capacity parameters.
Specifically, parameters such as set current, cut-off current, voltage, time, capacity parameters and energy corresponding to standing are preset in the upper computer; the upper computer is preset with a modification authority of a time parameter corresponding to standing;
the upper computer is preset with parameters such as set current, cut-off current, voltage, time, capacity parameters, energy and the like corresponding to constant current charging; the upper computer is preset with modification authorities of set current, voltage, time and capacity parameters corresponding to constant current charging;
the upper computer is preset with parameters such as set current, cut-off current, voltage, time, capacity parameters, energy and the like corresponding to constant-current discharge; the upper computer is preset with modification authorities of set current, voltage, time and capacity parameters corresponding to constant current discharge;
the upper computer is preset with parameters such as set current, cut-off current, voltage, time, capacity parameters, energy and the like corresponding to constant voltage charging; and presetting modification authorities of set current, cut-off current, voltage, time and capacity parameters corresponding to constant voltage charging on the upper computer.
The upper computer is preset with parameters such as set current, cut-off current, voltage, time, capacity parameters and energy corresponding to the off line.
The upper computer is preset with parameters such as corresponding setting current, cut-off current, voltage, time, capacity parameters, energy and the like.
In other embodiments, the upper computer is preset with modification rights of the time parameter corresponding to standing and the time parameter; the method comprises the steps that the upper computer is preset with parameters of current, voltage, time and capacity corresponding to constant current charging and modification permission of the parameters of current, voltage, time and capacity; the upper computer is preset with parameters of current, voltage, time and capacity corresponding to the constant current discharge and modification authorities of the parameters of the current, voltage, time and capacity; the upper computer is preset with parameters of constant voltage charging corresponding to set current, cut-off current, voltage, time and capacity, and modification permission of the set current, cut-off current, voltage, time and capacity parameters.
As shown in fig. 1 to 6, S1 "the step of obtaining the user selection through the upper computer" includes: based on the operation selected by the user by clicking, the process step selected by the user is obtained. The process step selected by the user is one of standing, constant current charging, constant current discharging, constant voltage charging, off-line and finishing. When a user clicks to select standing, a standing step is obtained through the upper computer; when a user clicks to select constant current charging, the process step of constant current charging is obtained through the upper computer; when a user clicks to select constant current discharge, a process step of constant current discharge is obtained through an upper computer; when a user clicks to select constant voltage charging, the process step of constant voltage charging is obtained through the upper computer; when a user clicks to select offline, acquiring an offline step through an upper computer; when the user clicks to finish the selection, the finished step is obtained through the upper computer.
As shown in fig. 1-6, S2 "based on the step selected by the user, query the parameters corresponding to the step, and obtain the modification rights of the parameters," the range of different modification rights corresponding to different steps "includes:
the method comprises the steps of inquiring parameters corresponding to a standing step and acquiring modification rights of time parameters based on the standing step, or inquiring parameters corresponding to a constant-current charging step and acquiring modification rights of set current, voltage, time and capacity parameters based on the constant-current charging step, or inquiring parameters corresponding to a constant-current discharging step and acquiring modification rights of set current, voltage, time and capacity parameters based on the constant-voltage charging step, or inquiring parameters corresponding to a constant-voltage charging step and acquiring modification rights of set current, cut-off current, voltage, time and capacity parameters based on the constant-voltage charging step.
As shown in fig. 1 to 6, S3 "obtaining operation data" obtained by modifying a parameter by a user based on a modification right "includes:
s31, determining the numerical value of parameter modification by a user according to each parameter;
s32, judging whether the numerical value of the parameter modified by the user is in a preset range or not;
s33, if the numerical value of the parameter is within the preset range, granting the user permission to confirm the modification, and summarizing the operation data after the parameter modification by responding to the operation of the user confirmation modification;
and S34, if not, canceling the permission of the user to confirm the modification, and prompting that the operation data cannot be generated.
As shown in fig. 1 to 6, wherein S31 "determining the value of the parameter modification by the user for each parameter" specifically includes: the method comprises the steps of obtaining a time parameter of a standing process step by a user through an upper computer to determine a value of the time parameter modification by the user, or obtaining a set current, voltage, time and capacity parameter of a constant-current charging process step by the user through the upper computer to determine a value of the set current, voltage, time and capacity parameter modification by the user, or obtaining a value of the set current, voltage, time and capacity parameter modification by the user through the upper computer to determine a value of the constant-current discharging process step by the user, or obtaining a value of the constant-voltage charging process step by the user through the upper computer to determine a value of the constant-voltage charging process step by the user.
S32, judging whether the numerical value of the parameter modified by the user is in a preset range or not specifically comprises the following steps: parameters corresponding to standing, parameters corresponding to constant-current charging, parameters corresponding to constant-current discharging and parameters corresponding to constant-voltage charging are all provided with preset ranges of numerical modification; and judging whether the parameter is in a preset range or not based on the numerical value of the parameter modified by the user.
S33 'if the value of the parameter is within the preset range, the user is granted with the permission to confirm the modification, so that the operation data after parameter modification is summarized by responding to the operation of the user to confirm the modification' specifically comprises: and if the numerical value of the parameter is within the preset range, granting the user a permission to confirm the modification, and summarizing the operation data after the parameter modification by responding to the user confirmation of the modification, wherein the operation data comprises at least one operation data of standing, constant-current charging, constant-current discharging, constant-voltage charging, offline and finishing.
As shown in fig. 1 to 6, S3 "processing operation data to obtain an operation instruction" specifically includes: the operation data includes at least one of standing, constant current charging, constant current discharging, constant voltage charging, offline, and completed operation data. And obtaining at least one operation instruction of standing operation instructions, constant-current charging operation instructions, constant-current discharging operation instructions, constant-voltage charging operation instructions, offline operation instructions and completed operation instructions based on the operation data.
As shown in fig. 1 to 6, S4 "issuing, by the upper computer, an operation instruction to all the middle computers connected to the upper computer, and forwarding, by the middle computers, the operation instruction to the lower computer, so that the lower computer performs a formation operation on the battery according to the operation instruction" includes:
issuing the operation instruction of standing to all the middle position machines connected with the upper position machines through the upper position machines, and forwarding the operation instruction of standing to the lower position machines through the middle position machines so that the lower position machines can stand the batteries according to the operation instruction of standing; or, issuing the operation instruction of constant current charging to all the middle position machines connected with the upper position machines through the upper position machines, and forwarding the operation instruction of constant current charging to the lower position machines through the middle position machines so that the lower position machines can perform constant current charging on the battery according to the operation instruction of constant current charging; or, issuing the constant-current discharge operation instruction to all the middle position machines connected with the upper position machines through the upper position machines, and forwarding the constant-current discharge operation instruction to the lower position machines through the middle position machines so that the lower position machines perform constant-current discharge on the battery according to the constant-current discharge operation instruction; or, the upper computer sends the operation instruction of constant voltage charging to all the middle computers connected with the upper computer, and the middle computers forward the operation instruction of constant voltage charging to the lower computer, so that the lower computer carries out constant voltage charging on the battery according to the operation instruction of constant voltage charging; or, the off-line operation instructions are issued to all the middle position machines connected with the upper position machines through the upper position machines, and the off-line operation instructions are forwarded to the lower position machines through the middle position machines, so that the lower position machines stop battery formation according to the off-line operation instructions; or the upper computer sends the completed operation instructions to all the middle computers connected with the upper computer, and the middle computers forward the completed operation instructions to the lower computer so that the lower computer completes battery formation according to the completed operation instructions.
As shown in fig. 1 to 6, S5 "the upper computer displays battery formation data of each battery" includes:
s51, determining battery state information corresponding to the process steps for each battery;
s52, determining scene colors corresponding to the steps based on the steps, wherein different steps correspond to different scene colors;
and S53, rendering the battery state information based on the scene color so as to display battery formation data of each battery through the upper computer.
S51 "determining the battery state information corresponding to the step for each battery" specifically includes: the process step performed for each battery and the battery state information of the battery at that process step are determined for each battery. Battery state information includes voltage, current, capacity, time, cycle, temperature, PLC temperature, and state.
S52 "determining a scene color corresponding to a step based on the step, and different steps corresponding to different scene colors" specifically includes: the method comprises the steps of standing, constant-current charging, constant-current discharging, constant-voltage charging, off-line and finished steps are all corresponding to different scene colors, and when the battery is in the standing state, the scene color 1 corresponding to the step is determined based on the standing step. When the battery is in constant current charging, determining the scene color 2 corresponding to the process step based on the constant current charging process step. When the battery is in constant current discharge, determining the scene color 2 corresponding to the process step based on the constant current discharge process step. When the battery is in constant voltage charge, the scene color 2 corresponding to the step is determined based on the constant voltage charge step. When the battery is offline, determining the scene color 3 corresponding to the process step based on the offline process step. When the battery is in a completed state, a scene color 4 corresponding to the process step is determined based on the completed process step.
In one embodiment, the color of the scene corresponding to the completed step is blue, the color of the scene corresponding to the offline step is gray, and the color of the scene corresponding to the constant current charge, the constant current discharge and the constant voltage charge is red. The battery is used for determining the process steps, the scene colors corresponding to the process steps are displayed in the upper computer based on the process steps, and the battery state is displayed more directly through different scene colors, so that the battery abnormality can be found in time, and the formation efficiency of the battery is maintained.
As shown in fig. 1-6, a method for monitoring battery formation further includes:
judging whether the battery formation data are located in a preset interval or not;
if the battery formation data exceeds the preset interval, the upper computer records the formation data to generate an abnormal log; and generating an interrupt instruction through the upper computer, and transmitting the interrupt instruction to the lower computer through the middle computer so that the lower computer stops formation operation based on the interrupt instruction.
The method has the characteristics of high safety performance, strong reliability and simple operation.
The battery formation data comprise current data of the single battery and voltage data of the single battery, and the current data of the single battery and the voltage data of the single battery respectively correspond to different preset intervals. Specifically, the current data of the single battery corresponds to a current preset interval, and the voltage data of the single battery corresponds to a voltage preset interval. When the current of the single battery exceeds a current preset interval or the voltage of the single battery exceeds a voltage preset interval, the upper computer records the converted data to generate an abnormal log; and generating an interrupt instruction through the upper computer, and transmitting the interrupt instruction to the lower computer through the middle computer so that the lower computer stops formation operation based on the interrupt instruction.
The battery formation data also comprises current change data of the single battery; the current change data of the single battery corresponds to a preset interval. Specifically, the current change data of the single battery corresponds to a preset current rising rate interval, and when the current change of the single battery exceeds the preset current rising rate interval, the converted data is recorded by the upper computer to generate an abnormal log; and generating an interrupt instruction through the upper computer, and transmitting the interrupt instruction to the lower computer through the middle computer so that the lower computer stops formation operation based on the interrupt instruction.
The battery formation data also comprises temperature data of the single battery, and the temperature data of the single battery corresponds to a preset interval. Specifically, the temperature data of the single battery corresponds to a temperature preset interval, and when the temperature data of the single battery exceeds the temperature preset interval, the upper computer records the converted data to generate an abnormal log; and generating an interrupt instruction through the upper computer, and transmitting the interrupt instruction to the lower computer through the middle computer so that the lower computer stops formation operation based on the interrupt instruction.
A method of battery formation monitoring, further comprising:
judging whether the power supply data of the battery formation monitoring system meets preset requirements or not;
if the power supply data of the battery formation monitoring system does not meet the preset requirement, recording the formation data through the upper computer to generate an abnormal log; and generating an interrupt instruction through the upper computer, and transmitting the interrupt instruction to the lower computer through the middle computer so that the lower computer stops formation operation based on the interrupt instruction.
The power supply data of the battery formation monitoring system comprises an AC/DC voltage, an output current and a main board temperature. The power supply data of the battery formation monitoring system is monitored in real time so as to find out the abnormal state of the system in time and stop the battery formation work in time.
The battery formation monitoring system also comprises a bypass board, the bypass board is connected to the lower computer, a plurality of pairs of battery ports are arranged on the bypass board, the plurality of pairs of battery ports are sequentially arranged along the length direction of the bypass board, and the plurality of pairs of battery ports are used for realizing the parallel connection of a plurality of batteries; and each pair of battery ports is provided with a switch;
the method further comprises the steps of: for each battery, judging whether the operation instruction is one of an offline operation instruction, a completed operation instruction and a standing operation instruction, and if so, controlling a switch corresponding to the bypass board to be disconnected by the lower computer according to the operation instruction so as to realize the power on-off of the single battery.
Specifically, the battery port includes an input terminal 211 and an output terminal 212, where the input terminal 211 is used to connect to the positive electrode of the battery, and the output terminal 212 is used to connect to the negative electrode of the battery.
Wherein, be equipped with a plurality of MOS pipes on the bypass board, MOS pipe one end is connected input 211, and output 212 is connected to the other end. The MOS tube amplifying circuit has the advantages of small voltage drop, low power consumption and large on current.
The bypass board is provided with a signal acquisition module 23, the signal acquisition module 23 is located at the end of the bypass board, battery formation information is acquired in real time through the signal acquisition module 23, battery formation data are monitored in real time through the signal acquisition module 23 on the bypass board, the battery formation data are transmitted to the middle position machine, and the battery formation data of each battery are transmitted to the upper position machine through the middle position machine, so that the upper position machine displays the battery formation data of each battery.
The power supply is provided with a temperature sensor 24, and the temperature sensor 24 is electrically connected with the main control board and is used for monitoring the temperature of the power supply and conveying the temperature to the main control board for processing. The temperature of the power supply is monitored in real time so as to regulate and control the formation monitoring device when the temperature of the power supply is too high, and the power supply has the advantages of being strong in reliability and high in safety.
In this embodiment, the temperature sensor 24 is located at the end of the bypass plate.
The battery formation monitoring system further comprises an AC/DC auxiliary power module, an AC/DC power module and a DC/DC power module, wherein the AC/DC power module is connected with the DC/DC power module and used for converting a first alternating voltage into a first direct voltage; the DC/DC power module is connected to the bypass board and used for converting a first direct-current voltage into a second direct-current voltage, and the first direct-current voltage is larger than the second direct-current voltage. The bypass board is provided with an auxiliary power interface 22, and the AC/DC auxiliary power module is electrically connected with the auxiliary power interface 22 and is used for supplying power to the bypass board.
Example 2
As shown in fig. 7, a device for monitoring battery formation is applied to a battery formation monitoring system including an upper computer, a middle computer and a lower computer; the upper computer is connected with one or more middle computers through a local area network, and each middle computer is connected with one or more lower computers through a CAN bus;
the device comprises:
the step acquisition module 1 is used for acquiring a step selected by a user through an upper computer;
the modification authority acquisition module 2 is used for inquiring the parameters corresponding to the steps based on the steps selected by the user and acquiring the modification authority of the parameters;
the processing module 3 is used for acquiring operation data obtained by modifying the parameters based on the modification permission by a user through the upper computer and processing the operation data to obtain an operation instruction;
the formation module 4 is used for sending the operation instruction to all the middle position machines connected with the upper position machines through the upper position machines, and forwarding the operation instruction to the lower position machines through the middle position machines so that the lower position machines perform formation work on the battery according to the operation instruction;
and the display module 5 is used for forwarding the battery formation data obtained by monitoring each battery in real time by the lower computer to the upper computer through the middle computer so that the upper computer displays the battery formation data of each battery.
Compared with the prior art, the device for monitoring the battery formation displays the state information of the battery in real time through the upper computer, so that the abnormal information of the battery can be found in time when the battery runs abnormally; and each battery is automatically controlled to charge and discharge according to a set process flow, so that the error rate of operation is reduced, and the normal operation of battery formation is ensured; the battery formation monitoring device realizes formation operation of a plurality of batteries, and simultaneously monitors each battery so as to discover abnormal states of the batteries in time and stop battery formation work in time to reduce unqualified batteries.
The display module 5 includes:
the information determining module is used for determining a process step and battery state information corresponding to the process step for each battery;
the scene color determining module is used for determining scene colors corresponding to the steps based on the steps, and different steps correspond to different scene colors;
and the rendering module is used for rendering the battery state information based on scene colors so as to display battery formation data of each battery through the upper computer.
The processing module 3 includes:
the parameter value determining module is used for determining the value of parameter modification by a user aiming at each parameter;
the parameter range judging module is used for judging whether the numerical value of the parameter modified by the user is in a preset range or not; if the numerical value of the parameter is within the preset range, granting the user permission to confirm the modification, and summarizing the operation data after the parameter modification by responding to the operation of confirming the modification by the user; otherwise, canceling the permission of the user to confirm the modification, and prompting that the operation data cannot be generated.
The device for monitoring the battery formation further comprises:
the data interval judging module is used for judging whether the battery formation data are located in a preset interval or not; if the battery formation data exceeds the preset interval, the upper computer records the formation data to generate an abnormal log; and generating an interrupt instruction through the upper computer, and transmitting the interrupt instruction to the lower computer through the middle computer so that the lower computer stops formation operation based on the interrupt instruction.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by persons skilled in the art that the scope of the disclosure referred to in this disclosure is not limited to the specific combinations of features described above, but also covers other embodiments which may be formed by any combination of features described above or equivalents thereof without departing from the spirit of the disclosure. Such as those described above, are mutually substituted with the technical features having similar functions disclosed in the present disclosure (but not limited thereto).
Moreover, although operations are depicted in a particular order, this should not be understood as requiring that such operations be performed in the particular order shown or in sequential order. In certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limiting the scope of the present disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single embodiment. Conversely, various features that are described in the context of a single embodiment can also be implemented in multiple embodiments separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are example forms of implementing the claims.
The foregoing disclosure is merely illustrative of some embodiments of the invention, and the invention is not limited thereto, as modifications may be made by those skilled in the art without departing from the scope of the invention.
Claims (10)
1. The battery formation monitoring method is characterized by being applied to a battery formation monitoring system comprising an upper computer, a middle computer and a lower computer; the upper computer is connected with one or more middle computers through a local area network, and each middle computer is connected with one or more lower computers through a CAN bus;
the method comprises the following steps:
the process step selected by the user is obtained through the upper computer;
inquiring parameters corresponding to the process steps based on the process steps selected by the user, and acquiring modification rights of the parameters;
acquiring operation data obtained by modifying the parameters based on the modification authority by a user through the upper computer, and processing the operation data to obtain an operation instruction;
the operation instructions are issued to all the middle position machines connected with the upper position machine through the upper position machine, and the operation instructions are forwarded to the lower position machine through the middle position machine, so that the lower position machine performs formation work on the battery according to the operation instructions;
and the battery formation data obtained by monitoring each battery in real time by the lower computer is transmitted to the upper computer through the middle computer, so that the upper computer displays the battery formation data of each battery.
2. The method of claim 1, wherein the host computer displaying the battery formation data for each battery comprises:
determining battery state information corresponding to the process steps for each battery;
determining scene colors corresponding to the steps based on the steps, wherein different steps correspond to different scene colors;
and rendering the battery state information based on the scene color so as to display the battery formation data of each battery through the upper computer.
3. The method of claim 1, wherein the obtaining operation data obtained by modifying the parameter by the user based on the modification authority comprises:
determining, for each of the parameters, a value of the user modification to the parameter;
judging whether the numerical value of the parameter modified by the user is in a preset range or not;
if the numerical value of the parameter is within the preset range, granting the user permission to confirm modification, and summarizing the operation data after the parameter modification by responding to the operation of confirming modification by the user;
otherwise, canceling the permission of the user to confirm the modification, and prompting that the operation data cannot be generated.
4. The method of battery formation monitoring according to claim 1, further comprising:
judging whether the battery formation data are located in a preset interval or not;
if the battery formation data exceeds the preset interval, recording the formation data through the upper computer to generate an abnormal log; and generating an interrupt instruction through the upper computer, and transmitting the interrupt instruction to the lower computer through the middle computer so that the lower computer stops formation operation based on the interrupt instruction.
5. The method according to claim 4, wherein the battery formation data includes current data of a single battery and voltage data of the single battery, the current data of the single battery and the voltage data of the single battery each corresponding to different preset intervals.
6. The method of battery formation monitoring of claim 4, wherein the battery formation data includes current change data of a single battery; the current change data of the single battery corresponds to the preset interval.
7. The method for monitoring the formation of a battery according to claim 1, wherein the formation monitoring system further comprises a bypass board, the bypass board is connected to the lower computer, a plurality of pairs of battery ports are arranged on the bypass board, the plurality of pairs of battery ports are sequentially arranged along the length direction of the bypass board, and the plurality of pairs of battery ports are used for realizing parallel connection of a plurality of batteries; and each pair of battery ports is provided with a switch;
the method further comprises the steps of:
for each battery, judging whether the operation instruction is one of an offline operation instruction, a completed operation instruction and a standing operation instruction,
if yes, the lower computer controls the switch corresponding to the bypass board to be disconnected according to the operation instruction so as to realize the power on-off of the single battery.
8. The method for monitoring battery formation according to claim 7, wherein a signal acquisition module is arranged on the bypass board, the signal acquisition module is located at the end of the bypass board, and battery formation information is acquired in real time through the signal acquisition module, so that a lower computer monitors battery formation data in real time.
9. The device for monitoring the battery formation is characterized by being applied to a battery formation monitoring system comprising an upper computer, a middle computer and a lower computer; the upper computer is connected with one or more middle computers through a local area network, and each middle computer is connected with one or more lower computers through a CAN bus;
the device comprises:
the step acquisition module is used for acquiring a step selected by a user through the upper computer;
the modification permission acquisition module is used for inquiring parameters corresponding to the process steps based on the process steps selected by the user and acquiring modification permissions of the parameters;
the processing module is used for acquiring operation data obtained by modifying the parameters based on the modification permission by a user through the upper computer, and processing the operation data to obtain an operation instruction;
the formation module is used for issuing the operation instruction to all the middle position machines connected with the upper computer through the upper computer, and forwarding the operation instruction to the lower computer through the middle position machines so that the lower computer performs formation work on the battery according to the operation instruction;
and the display module is used for transmitting the battery formation data obtained by monitoring each battery in real time by the lower computer to the upper computer through the middle computer so that the upper computer displays the battery formation data of each battery.
10. The apparatus for battery formation monitoring according to claim 9, wherein the display module includes:
the information determining module is used for determining the process steps and battery state information corresponding to the process steps for each battery;
the scene color determining module is used for determining scene colors corresponding to the steps based on the steps, and different steps correspond to different scene colors;
and the rendering module is used for rendering the battery state information based on the scene color so as to display the battery formation data of each battery through the upper computer.
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