Precision detection method of high-precision battery charging and discharging detection equipment

Abstract

The invention provides a precision detection method of high-precision battery charging and discharging detection equipment, which comprises the following steps of: opening detection software, and editing precision detection configuration parameters; the detection software is connected with a plurality of lower computers and is displayed on a human-computer interaction interface, a lower computer to be detected is selected from the lower computers, the lower computers are clicked and started, precision detection is started, and the detection software is respectively connected with the ampere meter and the universal meter according to the configuration parameters of the ampere meter and the configuration parameters of the universal meter; the detection software executes the precision detection step according to the precision point parameters by using the detection channel representing the index and the precision point parameters representing the index; after precision detection is finished, a human-computer interaction interface of the detection software displays precision detection report information in real time and sends a precision detection report to the LIMS; the production efficiency can be effectively improved, and the production cost is reduced; precision detection provides an important basis for equipment adjustment and repair; through the LIMS system, later query of a precision detection report and problem backtracking can be facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of battery detection equipment, and in particular to a precision detection method for high-precision battery charge and discharge detection equipment. Background Art

[0002] Batteries must undergo testing with battery testing equipment before leaving the factory. With the rapid development of new energy, the types of battery testing equipment are expanding. For example, they are categorized by function into formation and capacity, and by current level into low-current and high-current equipment. Battery testing equipment is affected by environmental factors, wear, and other factors, and its accuracy gradually decreases during daily use. Therefore, regular testing of battery testing equipment is essential. The accuracy of battery testing equipment determines the accuracy of battery measurement results, which in turn directly impacts product quality. Improving the efficiency of precision testing while reducing testing costs is a pressing issue for researchers in this field. Summary of the Invention

[0003] The purpose of the present invention is to solve the above-mentioned technical problems and provide a new type of high-precision battery charging and discharging detection equipment accuracy detection method, which can effectively improve production efficiency and reduce production costs; accuracy detection provides an important basis for equipment adjustment and repair; and the LIMS system can facilitate subsequent query of accuracy detection reports and problem tracing.

[0004] A method for detecting the accuracy of a high-precision battery charge and discharge detection device, characterized in that it comprises the following steps: S1: Open the detection software and edit the accuracy detection configuration parameters. The accuracy detection configuration parameters include source channel setting parameters, Precision point parameters, precision result judgment parameters, multimeter configuration parameters and ammeter configuration parameters; S2: The detection software is connected to several slave computers and displayed on the human-computer interaction interface. Select the slave computer to be detected and click Start to start the accuracy detection. The detection software connects to the ammeter and multimeter respectively according to the configuration parameters of the ammeter and multimeter. The detection software obtains the target slave computer from several slave computers according to the device number of the source slave computer, which is the source slave computer. The slave computers to be detected are Channels, also referred to as detection channels, are used Indicate, use Indicates the index of the detection channel. The initial value of is 1; S3: Judgment Is it greater than If yes, generate an accuracy test report and execute step S8, if no, execute step S4; S4: use Represents an index The detection channel of the source lower computer includes several channels. The detection software automatically obtains the source channel from the several channels of the source lower computer according to the corresponding relationship parameters between the source channel and the detection channel. Precision point parameters are used Indicate, use Indicates the index of the precision point parameter. The initial value of is 1; S5: Judgment Is it greater than , if so, then Add 1 and go to step S3; if not, go to step S6; S6: Use Represents an index The precision point parameters, the detection software is based on the precision point parameters Execute the accuracy detection step, which includes: (1) the detection software detects the accuracy point parameters The value type and mode of the calculation setting value, the setting value is used Indicates; (2) The detection software is based on the precision point parameters The mode and source channel setting parameters send charge and discharge instructions to the source channel; (3) the detection software sends charge and discharge instructions according to the precision point parameters The model and For detection channels Send the corresponding charge and discharge instructions; (4) The detection software is based on the precision point parameters The mode of detection channel Send the corresponding sampling instruction to obtain the channel sampling value and use (5) detection software according to the precision point parameters The mode sends a sampling instruction to the multimeter or ammeter to obtain the standard sampling value and use (6) Calculate the actual accuracy of D / A, the calculation formula is ,in Indicates the actual accuracy of D / A; calculate the actual accuracy of A / D, the calculation formula is ,in Indicates the actual accuracy of A / D; (7) The detection software is based on the accuracy point parameters The target accuracy deviation value is calculated based on the mode and accuracy result judgment parameters, and the target accuracy deviation value is calculated using Indicates the target accuracy deviation value; (8) Make an accuracy result judgment to determine whether If yes, the accuracy test result is successful, otherwise the accuracy test result is failed; S7: Record the accuracy test data, Add 1 and execute step S5; S8: After the accuracy test is completed, the human-computer interaction interface of the detection software displays the accuracy test report information in real time, and sends the accuracy test report to the LIMS system.

[0005] As a further step, the detection software is based on the precision point parameters The value type and mode of the calculation setting value, the setting value is used Meaning: ① When the value type is percentage, first get the target range value according to the mode, and then multiply it by the accuracy point parameter The final result is ; If the mode is charging voltage, the target range value is equal to the detection channel The range index in several charging voltage ranges is equal to the accuracy point parameter The charging voltage range of the range index; if the mode is discharge voltage, the target range value is equal to the detection channel The range index in several discharge voltage ranges is equal to the precision point parameter The discharge voltage range of the range index; if the mode is charging current, the target range value is equal to the detection channel The range index in several charging voltage ranges is equal to the accuracy point parameter The charging current range of the range index; if the mode is discharge current, the target range value is equal to the detection channel The range index in several discharge current ranges is equal to the accuracy point parameter The discharge current range of the range index; ② When the value type is by value, Equal to the precision point parameter The numerical value of .

[0006] As a further step, the detection software is based on the precision point parameters The mode and source channel setting parameters are used to send charge and discharge instructions to the source channel: ① If the mode is charging voltage, first find the source channel output parameter with the output mode of discharge current from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, It is equal to the maximum discharge current range of the source channel multiplied by the output ratio of the output parameter of the target source channel. When the output value type of the output parameter of the target source channel is numerical, Equal to the output value of the target source channel output parameter; finally, the detection software sends a current to the source channel ② If the mode is discharge voltage, first find the source channel output parameter whose output mode is charging current from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, Equal to the maximum charging current range of the source channel multiplied by the output ratio of the target source channel output parameter. When the output value type of the target source channel output parameter is by value, Equal to the output value of the target source channel output parameter; finally, the detection software sends a current to the source channel ③ If the mode is charging current, first find the source channel output parameter whose output mode is discharge voltage from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, It is equal to the maximum discharge voltage range of the source channel multiplied by the output ratio of the target source channel output parameter. When the output value type of the target source channel output parameter is numerical, Equal to the output value of the target source channel output parameter; finally, the detection software sends a current to the source channel ④ If the mode is discharge current, first find the source channel output parameter whose output mode is charging voltage from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, It is equal to the maximum charging voltage range of the source channel multiplied by the output ratio of the target source channel output parameter. When the output value type of the target source channel output parameter is numerical, Equal to the output value of the target source channel output parameter; finally, the detection software sends a current to the source channel The charging voltage command.

[0007] As a further step, the detection software is based on the precision point parameters The model and For detection channels Send the corresponding charge and discharge instructions: ① If the mode is charging voltage, the detection software will detect the channel The sending voltage is ② If the mode is discharge voltage, the detection software will detect the channel The sending voltage is ③ If the mode is charging current, the detection software will detect the discharge voltage command of the detection channel. The sending current is ④ If the mode is discharge current, the detection software will detect the current of the detection channel. The sending current is The discharge current command.

[0008] As a further step, the detection software is based on the precision point parameters The mode of detection channel Send the corresponding sampling instruction to obtain the channel sampling value and use Indicates: ① If the mode is charging voltage or discharging voltage, the detection software will detect the channel Send voltage sampling instruction, Equal to the voltage sampling value; ② If the mode is charging current or discharging current, the detection software detects the channel Send current sampling instruction, Equal to the current sampling value.

[0009] As a further step, the detection software is based on the precision point parameters The mode sends a sampling instruction to the multimeter or ammeter to obtain the standard sampling value and use Indicates: ① If the mode is charging voltage or discharging voltage, send a sampling instruction to the multimeter, Equal to the voltage sampling value of the multimeter; ② If the mode is charging current or discharging current, send a sampling instruction to the ammeter, Equal to the current sampling value of the ammeter.

[0010] As a further step, the detection software is based on the precision point parameters The target accuracy deviation value is calculated based on the mode and accuracy result judgment parameters, and the target accuracy deviation value is calculated based on the mode and accuracy result judgment parameters. Indicates the target accuracy deviation value: ① If the mode is charging voltage, Equal to the device voltage accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several charging voltage ranges is equal to the accuracy point parameter The charging voltage range of the range index; ② If the mode is discharge voltage, Equal to the device voltage accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several discharge voltage ranges is equal to the precision point parameter The discharge voltage range of the range index; ③ If the mode is charging current, Equal to the device current accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several charging current ranges is equal to the accuracy point parameter ④ If the mode is discharge current, Equal to the device current accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several discharge current ranges is equal to the accuracy point parameter The discharge current range of the range index.

[0011] Furthermore, the source channel setting parameters include the device number of the source lower computer, several source channel output parameters, and the corresponding relationship parameters between the source channel and the detection channel. The source channel output parameters include output mode, output value type, output value and output ratio. The output mode includes charging voltage, discharging voltage, charging current and discharging current. The output value type includes proportional and numerical value. The precision point parameters include mode, range index, value type, ratio and numerical value. The mode includes charging voltage, discharging voltage, charging current and discharging current. The value type includes proportional and numerical value. The precision result judgment parameters include the device voltage achievable precision value and the device current achievable precision value. The multimeter configuration parameters include network port communication parameters, and the ammeter configuration parameters include communication mode, network port communication parameters and serial port communication parameters. The network port communication parameters of the multimeter configuration parameters and the network port communication parameters of the current configuration parameters have the same data structure, both including IP and port number. The communication mode includes network port communication and serial port communication, and the serial port communication parameters include serial port number and baud rate.

[0012] Furthermore, the correspondence parameters between the source channel and the detection channel include odd-even correspondence or custom correspondence. The odd-even correspondence means that when the channel number of the detection channel is odd, the source channel is the channel with channel number 2 in the source lower computer; when the channel number of the detection channel is even, the source channel is the channel with channel number 1 in the source lower computer; the custom correspondence means custom setting the channel number of the detection channel and the channel number of the source channel. When obtaining the source channel, the target channel number of the source channel is first obtained according to the channel number of the detection channel, and then the channel with the target channel number obtained from the source lower computer is the source channel.

[0013] The beneficial effects of the present invention are: the present invention can effectively improve production efficiency and reduce production costs; precision detection provides an important basis for equipment adjustment and repair; and the LIMS system can facilitate subsequent query of precision detection reports and problem tracing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a flow chart of the accuracy detection method of the high-precision battery charge and discharge detection equipment of the present invention. DETAILED DESCRIPTION

[0015] The present invention will be further described below with reference to the accompanying drawings and specific embodiments: Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0016] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0017] Refer to Figure 1 As shown, a method for detecting the accuracy of a high-precision battery charge and discharge detection device is characterized by comprising the following steps: S1: Open the detection software and edit the accuracy detection configuration parameters. The accuracy detection configuration parameters include source channel setting parameters, Precision point parameters, precision result judgment parameters, multimeter configuration parameters and ammeter configuration parameters; S2: The detection software is connected to several slave computers and displayed on the human-computer interaction interface. Select the slave computer to be detected and click Start to start the accuracy detection. The detection software connects to the ammeter and multimeter respectively according to the configuration parameters of the ammeter and multimeter. The detection software obtains the target slave computer from several slave computers according to the device number of the source slave computer, which is the source slave computer. The slave computers to be detected are Channels, also referred to as detection channels, are used Indicate, use Indicates the index of the detection channel. The initial value of is 1; S3: Judgment Is it greater than If yes, generate an accuracy test report and execute step S8, if no, execute step S4; S4: use Represents an index The detection channel of the source lower computer includes several channels. The detection software automatically obtains the source channel from the several channels of the source lower computer according to the corresponding relationship parameters between the source channel and the detection channel. Precision point parameters are used Indicate, use Indicates the index of the precision point parameter. The initial value of is 1; S5: Judgment Is it greater than , if so, then Add 1 and go to step S3; if not, go to step S6; S6: Use Represents an index The precision point parameters, the detection software is based on the precision point parameters Execute the accuracy detection step, which includes: (1) the detection software detects the accuracy point parameters The value type and mode of the calculation setting value, the setting value is used Indicates; (2) The detection software is based on the precision point parameters The mode and source channel setting parameters send charge and discharge instructions to the source channel; (3) the detection software sends charge and discharge instructions according to the precision point parameters The model and For detection channels Send the corresponding charge and discharge instructions; (4) The detection software is based on the precision point parameters The mode of detection channel Send the corresponding sampling instruction to obtain the channel sampling value and use (5) detection software according to the precision point parameters The mode sends a sampling instruction to the multimeter or ammeter to obtain the standard sampling value and use (6) Calculate the actual accuracy of D / A, the calculation formula is ,in Indicates the actual accuracy of D / A; calculate the actual accuracy of A / D, the calculation formula is ,in Indicates the actual accuracy of A / D; (7) The detection software is based on the accuracy point parameters The target accuracy deviation value is calculated based on the mode and accuracy result judgment parameters, and the target accuracy deviation value is calculated based on the mode and accuracy result judgment parameters. Indicates the target accuracy deviation value; (8) Make an accuracy result judgment to determine whether If yes, the accuracy test result is successful, otherwise the accuracy test result is failed; S7: Record the accuracy test data, Add 1 and execute step S5; S8: After the accuracy test is completed, the human-computer interaction interface of the detection software displays the accuracy test report information in real time, and sends the accuracy test report to the LIMS system.

[0018] As an example, the detection software is based on the precision point parameters The value type and mode of the calculation setting value, the setting value is used Meaning: ① When the value type is percentage, first get the target range value according to the mode, and then multiply it by the accuracy point parameter The final result is ; If the mode is charging voltage, the target range value is equal to the detection channel The range index in several charging voltage ranges is equal to the accuracy point parameter The charging voltage range of the range index; if the mode is discharge voltage, the target range value is equal to the detection channel The range index in several discharge voltage ranges is equal to the precision point parameter The discharge voltage range of the range index; if the mode is charging current, the target range value is equal to the detection channel The range index in several charging voltage ranges is equal to the accuracy point parameter The charging current range of the range index; if the mode is discharge current, the target range value is equal to the detection channel The range index in several discharge current ranges is equal to the accuracy point parameter The discharge current range of the range index; ② When the value type is by value, Equal to the precision point parameter The numerical value of .

[0019] As an example, the detection software is based on the precision point parameters The mode and source channel setting parameters are used to send charge and discharge instructions to the source channel: ① If the mode is charging voltage, first find the source channel output parameter with the output mode of discharge current from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, It is equal to the maximum discharge current range of the source channel multiplied by the output ratio of the output parameter of the target source channel. When the output value type of the output parameter of the target source channel is numerical, Equal to the output value of the target source channel output parameter; finally, the detection software sends a current to the source channel ② If the mode is discharge voltage, first find the source channel output parameter whose output mode is charging current from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, Equal to the maximum charging current range of the source channel multiplied by the output ratio of the target source channel output parameter. When the output value type of the target source channel output parameter is by value, Equal to the output value of the target source channel output parameter; finally, the detection software sends a current to the source channel ③ If the mode is charging current, first find the source channel output parameter whose output mode is discharge voltage from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, It is equal to the maximum discharge voltage range of the source channel multiplied by the output ratio of the target source channel output parameter. When the output value type of the target source channel output parameter is numerical, Equal to the output value of the target source channel output parameter; finally, the detection software sends a current to the source channel ④ If the mode is discharge current, first find the source channel output parameter whose output mode is charging voltage from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, It is equal to the maximum charging voltage range of the source channel multiplied by the output ratio of the target source channel output parameter. When the output value type of the target source channel output parameter is numerical, Equal to the output value of the target source channel output parameter; finally, the detection software sends a current to the source channel The charging voltage command.

[0020] As an example, the detection software is based on the precision point parameters The model and For detection channels Send the corresponding charge and discharge instructions: ① If the mode is charging voltage, the detection software will detect the channel The sending voltage is ② If the mode is discharge voltage, the detection software will detect the channel The sending voltage is ③ If the mode is charging current, the detection software will detect the discharge voltage command of the detection channel. The sending current is ④ If the mode is discharge current, the detection software will detect the current of the detection channel. The sending current is The discharge current command.

[0021] As an example, the detection software is based on the precision point parameters The mode of detection channel Send the corresponding sampling instruction to obtain the channel sampling value and use Indicates: ① If the mode is charging voltage or discharging voltage, the detection software will detect the channel Send voltage sampling instruction, Equal to the voltage sampling value; ② If the mode is charging current or discharging current, the detection software detects the channel Send current sampling instruction, Equal to the current sampling value.

[0022] As an example, the detection software is based on the precision point parameters The mode sends a sampling instruction to the multimeter or ammeter to obtain the standard sampling value and use Indicates: ① If the mode is charging voltage or discharging voltage, send a sampling instruction to the multimeter, Equal to the voltage sampling value of the multimeter; ② If the mode is charging current or discharging current, send a sampling instruction to the ammeter, Equal to the current sampling value of the ammeter.

[0023] As an example, the detection software is based on the precision point parameters The target accuracy deviation value is calculated based on the mode and accuracy result judgment parameters, and the target accuracy deviation value is calculated using Indicates the target accuracy deviation value: ① If the mode is charging voltage, Equal to the device voltage accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several charging voltage ranges is equal to the accuracy point parameter The charging voltage range of the range index; ② If the mode is discharge voltage, Equal to the device voltage accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several discharge voltage ranges is equal to the accuracy point parameter The discharge voltage range of the range index; ③ If the mode is charging current, Equal to the device current accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several charging current ranges is equal to the accuracy point parameter ④ If the mode is discharge current, Equal to the device current accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several discharge current ranges is equal to the accuracy point parameter The discharge current range of the range index.

[0024] Preferably, the source channel setting parameters include the device number of the source lower computer, several source channel output parameters, and the corresponding relationship parameters between the source channel and the detection channel. The source channel output parameters include output mode, output value type, output value and output ratio. The output mode includes charging voltage, discharging voltage, charging current and discharging current. The output value type includes proportional and numerical value. The precision point parameters include mode, range index, value type, ratio and numerical value. The mode includes charging voltage, discharging voltage, charging current and discharging current. The value type includes proportional and numerical value. The precision result judgment parameters include the device voltage reachable precision value and the device current reachable precision value. The multimeter configuration parameters include network port communication parameters, the ammeter configuration parameters include communication mode, network port communication parameters and serial port communication parameters. The network port communication parameters of the multimeter configuration parameters and the network port communication parameters of the current configuration parameters have the same data structure, both including IP and port number. The communication mode includes network port communication and serial port communication, and the serial port communication parameters include serial port number and baud rate.

[0025] Preferably, the correspondence parameters between the source channel and the detection channel include odd-even correspondence or custom correspondence. The odd-even correspondence means that when the channel number of the detection channel is odd, the source channel is the channel with channel number 2 in the source lower computer; when the channel number of the detection channel is even, the source channel is the channel with channel number 1 in the source lower computer; the custom correspondence means custom setting the channel number of the detection channel and the channel number of the source channel. When obtaining the source channel, the target channel number of the source channel is first obtained according to the channel number of the detection channel, and then the channel with the target channel number obtained from the source lower computer is the source channel.

[0026] Based on the disclosure and teachings of the above description, those skilled in the art may also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and any modifications and variations of the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although certain specific terms are used in this description, these terms are only for convenience of description and do not constitute any limitation to the present invention.

Claims

1. A method for detecting the accuracy of a high-precision battery charge and discharge detection device, characterized in that: The steps include: S1: Open the detection software and edit the accuracy detection configuration parameters. The accuracy detection configuration parameters include source channel setting parameters, Precision point parameters, precision result judgment parameters, multimeter configuration parameters and ammeter configuration parameters; S2: The detection software is connected to several slave computers and displayed on the human-computer interaction interface. Select the slave computer to be detected and click Start to start the accuracy detection. The detection software connects to the ammeter and multimeter respectively according to the configuration parameters of the ammeter and multimeter. The detection software obtains the target slave computer from several slave computers according to the device number of the source slave computer, which is the source slave computer. The slave computers to be detected are Channels, also referred to as detection channels, are used Indicate, use Indicates the index of the detection channel. The initial value of is 1; S3: Judgment Is it greater than If yes, generate an accuracy test report and execute step S8, if no, execute step S4; S4: use Represents an index The detection channel of the source slave computer includes several channels. The detection software automatically obtains the source channel from the several channels of the source slave computer according to the corresponding relationship parameters between the source channel and the detection channel. Precision point parameters are used Indicate, use Indicates the index of the precision point parameter. The initial value of is 1; S5: Judgment Is it greater than , if so, then Add 1 and go to step S3; if not, go to step S6; S6: Use Represents an index The precision point parameters, the detection software is based on the precision point parameters Execute the accuracy detection step, which includes: (1) the detection software detects the accuracy point parameters The value type and mode of the calculation setting value, the setting value is used Indicates; (2) The detection software is based on the precision point parameters The mode and source channel setting parameters send charge and discharge instructions to the source channel; (3) the detection software sends charge and discharge instructions according to the precision point parameters The model and For detection channels Send the corresponding charge and discharge instructions; (4) The detection software is based on the precision point parameters The mode of detection channel Send the corresponding sampling instruction to obtain the channel sampling value and use (5) detection software according to the precision point parameters The mode sends a sampling instruction to the multimeter or ammeter to obtain the standard sampling value and use (6) Calculate the actual accuracy of D / A, the calculation formula is ,in Indicates the actual accuracy of D / A; calculate the actual accuracy of A / D, the calculation formula is ,in Indicates the actual accuracy of A / D; (7) The detection software is based on the accuracy point parameters The target accuracy deviation value is calculated based on the mode and accuracy result judgment parameters, and the target accuracy deviation value is calculated based on the mode and accuracy result judgment parameters. Indicates the target accuracy deviation value; (8) Make an accuracy result judgment to determine whether If yes, the accuracy test result is successful, otherwise the accuracy test result is failed; S7: Record the accuracy test data, Add 1 and execute step S5; S8: After the accuracy test is completed, the human-computer interaction interface of the detection software displays the accuracy test report information in real time, and sends the accuracy test report to the LIMS system.

2. The accuracy detection method of the high-precision battery charge and discharge detection equipment according to claim 1, characterized in that: The detection software is based on the precision point parameters The value type and mode of the calculation setting value, the setting value is used Meaning: ① When the value type is percentage, first get the target range value according to the mode, and then multiply it by the accuracy point parameter The final result is ; If the mode is charging voltage, the target range value is equal to the detection channel The range index in several charging voltage ranges is equal to the accuracy point parameter The charging voltage range of the range index; if the mode is discharge voltage, the target range value is equal to the detection channel The range index in several discharge voltage ranges is equal to the precision point parameter The discharge voltage range of the range index; if the mode is charging current, the target range value is equal to the detection channel The range index in several charging voltage ranges is equal to the accuracy point parameter Charging current range of the range index; If the mode is discharge current, the target range value is equal to the detection channel The range index in several discharge current ranges is equal to the accuracy point parameter The discharge current range of the range index; ② When the value type is by value, Equal to the precision point parameter The numerical value of .

3. The accuracy detection method of the high-precision battery charge and discharge detection equipment according to claim 1, characterized in that: The detection software is based on the precision point parameters The mode and source channel setting parameters are used to send charge and discharge instructions to the source channel: ① If the mode is charging voltage, first find the source channel output parameter with the output mode of discharge current from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, It is equal to the maximum discharge current range of the source channel multiplied by the output ratio of the output parameter of the target source channel. When the output value type of the output parameter of the target source channel is numerical, Equal to the output value of the target source channel output parameter; Finally, the detection software sends the current to the source channel as ② If the mode is discharge voltage, first find the source channel output parameter whose output mode is charging current from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, Equal to the maximum charging current range of the source channel multiplied by the output ratio of the target source channel output parameter. When the output value type of the target source channel output parameter is by value, Equal to the output value of the target source channel output parameter; Finally, the detection software sends the current to the source channel as ③ If the mode is charging current, first find the source channel output parameter whose output mode is discharge voltage from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, It is equal to the maximum discharge voltage range of the source channel multiplied by the output ratio of the target source channel output parameter. When the output value type of the target source channel output parameter is numerical, Equal to the output value of the target source channel output parameter; Finally, the detection software sends the current to the source channel as ④ If the mode is discharge current, first find the source channel output parameter whose output mode is charging voltage from several source channel output parameters, which is the target source channel output parameter; then obtain the source channel setting value and use Indicates that when the output value type of the target source channel output parameter is percentage, It is equal to the maximum charging voltage range of the source channel multiplied by the output ratio of the target source channel output parameter. When the output value type of the target source channel output parameter is numerical, Equal to the output value of the target source channel output parameter; Finally, the detection software sends the current to the source channel as The charging voltage command.

4. The accuracy detection method of the high-precision battery charge and discharge detection equipment according to claim 1, characterized in that: The detection software is based on the precision point parameters The model and For detection channels Send the corresponding charge and discharge instructions: ① If the mode is charging voltage, the detection software will detect the channel The sending voltage is ② If the mode is discharge voltage, the detection software will detect the channel The sending voltage is ③ If the mode is charging current, the detection software will detect the discharge voltage command of the detection channel. The sending current is ④ If the mode is discharge current, the detection software will detect the current of the detection channel. The sending current is The discharge current command.

5. The accuracy detection method of the high-precision battery charge and discharge detection equipment according to claim 1, characterized in that: The detection software is based on the precision point parameters The mode of detection channel Send the corresponding sampling instruction to obtain the channel sampling value and use Indicates: ① If the mode is charging voltage or discharging voltage, the detection software will detect the channel Send voltage sampling instruction, Equal to the voltage sampling value; ② If the mode is charging current or discharging current, the detection software detects the channel Send current sampling instruction, Equal to the current sampling value.

6. The accuracy detection method of the high-precision battery charge and discharge detection equipment according to claim 1, characterized in that: The detection software is based on the precision point parameters The mode sends a sampling instruction to the multimeter or ammeter to obtain the standard sampling value and use Indicates: ① If the mode is charging voltage or discharging voltage, send a sampling instruction to the multimeter, Equal to the voltage sampling value of the multimeter; ② If the mode is charging current or discharging current, send a sampling instruction to the ammeter, Equal to the current sampling value of the ammeter.

7. The accuracy detection method of the high-precision battery charge and discharge detection equipment according to claim 1, characterized in that: The detection software is based on the precision point parameters The target accuracy deviation value is calculated based on the mode and accuracy result judgment parameters, and the target accuracy deviation value is calculated using Indicates the target accuracy deviation value: ① If the mode is charging voltage, Equal to the device voltage accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several charging voltage ranges is equal to the accuracy point parameter The charging voltage range of the range index; ② If the mode is discharge voltage, Equal to the device voltage accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several discharge voltage ranges is equal to the accuracy point parameter The discharge voltage range of the range index; ③ If the mode is charging current, Equal to the device current accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several charging current ranges is equal to the accuracy point parameter ④ If the mode is discharge current, Equal to the device current accuracy value multiplied by the target range value, where the target range value is equal to the detection channel The range index in several discharge current ranges is equal to the accuracy point parameter The discharge current range of the range index.

8. The accuracy detection method of the high-precision battery charge and discharge detection equipment according to claim 1, characterized in that: The source channel setting parameters include the device number of the source lower computer, several source channel output parameters, and the corresponding relationship parameters between the source channel and the detection channel. The source channel output parameters include output mode, output value type, output value and output ratio. The output mode includes charging voltage, discharging voltage, charging current and discharging current. The output value type includes proportional and numerical value. The precision point parameters include mode, range index, value type, ratio and numerical value. The mode includes charging voltage, discharging voltage, charging current and discharging current. The value type includes proportional and numerical value. The precision result judgment parameters include the device voltage achievable precision value and the device current achievable precision value. The multimeter configuration parameters include network port communication parameters, and the ammeter configuration parameters include communication mode, network port communication parameters and serial port communication parameters. The network port communication parameters of the multimeter configuration parameters and the network port communication parameters of the current configuration parameters have the same data structure, both including IP and port number. The communication mode includes network port communication and serial port communication, and the serial port communication parameters include serial port number and baud rate.

9. The accuracy detection method of the high-precision battery charge and discharge detection equipment according to claim 8, characterized in that: The correspondence parameters between the source channel and the detection channel include odd-even correspondence or custom correspondence. The odd-even correspondence means that when the channel number of the detection channel is odd, the source channel is the channel with channel number 2 in the source lower computer; when the channel number of the detection channel is even, the source channel is the channel with channel number 1 in the source lower computer; the custom correspondence means custom setting the channel number of the detection channel and the channel number of the source channel. When obtaining the source channel, the target channel number of the source channel is first obtained according to the channel number of the detection channel, and then the channel with the target channel number obtained from the source lower computer is the source channel.

Images