CN114114058A - Remote management method for power battery test - Google Patents
Remote management method for power battery test Download PDFInfo
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- CN114114058A CN114114058A CN202111350894.3A CN202111350894A CN114114058A CN 114114058 A CN114114058 A CN 114114058A CN 202111350894 A CN202111350894 A CN 202111350894A CN 114114058 A CN114114058 A CN 114114058A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- 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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
Abstract
The invention discloses a remote management method for testing a power battery, which is based on a management device consisting of a server end and an upper computer, wherein the server end is communicated with a client end through a wired/wireless network, a charging and discharging test device uploads test data to the upper computer at regular time based on real-time communication of a WCF (process control framework), the server end controls the charging and discharging test device based on a TCP/IP (transmission control protocol/Internet protocol) protocol and completes state data interaction, test data of each channel under each charging and discharging test device are displayed in a classified mode, the server end judges whether the tested channel is disconnected or not by monitoring heartbeat signals of the channels, screens and displays a real-time histogram of monomer data of each battery in the channels, and data curves of output voltage, current data and real-time parameters are displayed by an instrumented UI (user interface) or an oscillometric UI (user interface). The invention can monitor all on-network charging and discharging test equipment in the same wired or wireless network in different areas, different plants, different workshops or production lines and test areas in a parallel and centralized manner.
Description
Technical Field
The invention belongs to the technical field of power battery charging and discharging tests, and particularly relates to a remote management method for power battery tests.
Background
The general power battery charging and discharging test equipment architecture diagram is shown in fig. 1, in a power battery production test workshop, charging and discharging test equipment is often deployed at each production station, the number of the equipment is large, the distribution positions are scattered, an operator is often required to continuously move to the side of different equipment back and forth to perform manual operation and check test data, and the test equipment is inconvenient to control and monitor in a centralized manner.
Therefore, how to meet the requirement of carrying out centralized and efficient monitoring and control on all station charging and discharging test equipment on the premise of limited operation workers is an urgent subject faced by power battery charging and discharging test equipment.
Disclosure of Invention
The invention aims to overcome the inconvenience of equipment operation control and data checking caused by the dispersion of the distribution of the traditional power battery charging and discharging test equipment, and provides a power battery test remote centralized control center management method which does not need an operator to continuously walk to different equipment for manual operation and check real-time test data.
The technical scheme adopted by the invention for solving the technical problems is as follows: a power battery test remote management method is based on a management device consisting of a server and an upper computer serving as a client, wherein the upper computer to which charge and discharge test equipment belongs is the client, the server communicates with the client through a wired/wireless network, and the upper computer is connected with a plurality of charge and discharge test equipment, and comprises the following steps:
(1) the charging and discharging test equipment adopts various protocols such as HTTP, TCP, Named Pipe, MSMQ, Peer-To-Peer TCP and the like To upload various real-time test data To an upper computer at regular time based on the real-time Communication support of WCF (Windows Communication Foundation), the server side identifies the feature codes and the corresponding data mapping relation formed by ip, computer names, equipment codes and the like of the upper computer To which each charging and discharging test equipment belongs, and displays the test data at the same time;
(2) the server side controls the charge and discharge test equipment based on a TCP/IP self-defined protocol, completes state data interaction, and displays test data of each channel under each charge and discharge test equipment in a classified manner;
(3) the server side judges whether the tested channel is disconnected or not by monitoring the heartbeat signals of each channel under each charge and discharge test device;
(4) the server end screens and displays the real-time histogram of the data of each cell in the channel to be monitored according to the flexible configuration consistency, and visually and vividly monitors the abrupt data of each cell;
(5) and the server side displays the data curves of the output voltage, the current data and the real-time parameters by using an instrumented UI interface or an oscillometric UI interface.
The remote management method for the power battery test comprises the steps that in the step (1), various types of real-time test data comprise summary output data, detailed data, inspection instrument single body voltage, inspection instrument single body temperature, DBC variable from BMS, UDS variable, user-defined variable and charging and discharging test equipment identity information header data, the data are packaged into character strings in UTF-8 coding format in Json format, and the character strings are filled into a data area for transmission and analysis.
Further, the summary output data visually displays the charging and discharging states including the running state, the charging and discharging mode, the total voltage, the total current and the total time in a battery-imitating modeling dynamic state with configurable colors; the detailed data comprises operating state, total voltage, total current, process step time and derived data such as capacity, energy and the like, test scheme attribute data such as scheme names and the like, item attribute data such as item serial numbers and the like; the charging and discharging test equipment identity information head data comprises a charging and discharging equipment code, an equipment upper computer name, an equipment upper computer ip, a battery manufacturer, a workshop or laboratory name, a test area and a test equipment model.
Further, the detailed data, the voltage of the single patrol detector, the temperature of the single patrol detector, the DBC variable from the BMS, the UDS variable and the user-defined variable can be displayed in a table form.
The remote management method for the power battery test comprises the steps that data interaction in the step (2) comprises entering bar codes to test channels of all managed charging and discharging test equipment for remote starting, stopping, suspending, recovering and fault refreshing, and a system obtains test state information of all the test channels in the step (1) through a wired or wireless network based on self-defined communication protocol polling.
According to the remote management method for the power battery test, the histogram in the step (4) supports the display and screening of the real-time data of the 720 battery monomers at most, the acquisition sources of the monomer data can be selected in a user-defined mode, the acquisition sources comprise monomer polling instruments, BMS, UDS and user-defined variables, and the upper limit, the lower limit, the color, the real-time maximum value, the real-time minimum value, the real-time maximum value and the real-time minimum value correspond to the acquisition points through the histogram display.
Furthermore, the range of the acquisition points can be set for the monomer data from the monomer polling instrument, the character matching rule of the acquisition values to the strain names can be set for the monomer data from BMS, UDS and custom variables, and the corresponding data can be automatically acquired to complete display and real-time statistics.
Further, the instrumented UI interface in the step (5) is a control which is customized to package a measuring range, scales, colors and meter pointers and can be set by imitating a vehicle-mounted instrument panel, and the instrumented UI interface can dynamically display values of total voltage and total current in real time and is visual and vivid.
Further, the oscillographic UI interface in step (5) is a custom package, and left and right auxiliary lines can be added or deleted in the oscillographic interface, a dynamic oscillographic display shows the selected variable values monitored in real time, and the interface oscillographic grid, X, Y axis and upper and lower limits can be freely set and set as a control in an adaptive mode
The invention has the beneficial effects that: the invention deploys the server end in the centralized control room, can monitor all on-network charging and discharging test equipment in different areas, different plants, different workshops or production lines and test areas in the same wired or wireless network in a parallel and centralized way, can also identify according to the characteristic code and the corresponding data mapping relation formed by the ip of the upper computer to which each equipment belongs, the computer name, the equipment code and the like, and can acquire the test state and data of all test channels under each equipment in real time, and can control each test channel under each equipment through the remote centralized control center management system.
The invention can also classify and display the test data of each channel of each device, can judge whether the test channel is disconnected or not by monitoring heartbeat, displays the real-time histogram of the monomer data to be monitored according to flexible configuration, visually and vividly monitors the sharp monomer battery data, and is convenient for screening.
In addition, the UI interfaces of instrumentation and oscillography display data curves of output voltage, current data and real-time parameters, a user can access and control a remote test through a remote desktop, an equipment centralized control room can operate one system, labor consumption is reduced, local database data of remote equipment can be remotely accessed and inquired by using an IP address, the system can remotely monitor resource overhead of computers on all testing equipment and production operation conditions of all testing channels, comprehensive and unified production scheduling and resource allocation of all equipment and the testing channels are facilitated, and the vacancy rate of the testing channels of the equipment is relatively reduced. The requirements of centralized and efficient monitoring and control on all station charging and discharging test equipment on the premise of limited operation workers are met, and therefore the working efficiency of production test of power battery charging and discharging test is greatly improved.
Drawings
FIG. 1 is a diagram of a general power battery charging and discharging test equipment;
FIG. 2 is a system architecture diagram according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Referring to fig. 2, the remote management method for testing a power battery disclosed by the invention is based on a management device consisting of a server and an upper computer serving as a client, wherein the upper computer to which charging and discharging test equipment belongs is the client, the server communicates with the client through a wired/wireless network, and the upper computer is connected with a plurality of charging and discharging test equipment
(1) The real-time Communication support of the charge and discharge testing equipment based on WCF (Windows Communication Foundation) adopts various protocols such as HTTP, TCP, Named Pipe, MSMQ, Peer-To-Peer TCP and the like To upload various real-time testing data To an upper computer at regular time, and a server side identifies the testing data according To a feature code and a corresponding data mapping relation which are formed by ip, a computer name, equipment codes and the like of the upper computer To which each charge and discharge testing equipment belongs.
The various types of real-time test data comprise summary output data, detailed data, inspection instrument single body voltage, inspection instrument single body temperature, DBC variable, UDS variable, user-defined variable and charging and discharging test equipment identity information head data from BMS, the data are packaged into character strings in a UTF-8 coding format in a Json format, and the character strings are filled into a data area for transmission and analysis.
The summary output data displays the charging and discharging states including the running state, the charging and discharging mode, the total voltage, the total current and the total time in a dynamic visual mode with a color-configurable battery-imitating model; the detailed data comprises operating state, total voltage, total current, process step time and derived data such as capacity, energy and the like, test scheme attribute data such as scheme names and the like, item attribute data such as item serial numbers and the like; the charging and discharging test equipment identity information head data comprises a charging and discharging equipment code, an equipment upper computer name, an equipment upper computer ip, a battery manufacturer, a workshop or laboratory name, a test area and a test equipment model.
Detailed data, patrol instrument cell voltage, patrol instrument cell temperature, DBC variable from BMS, UDS variable, custom variable can be presented in tabular form.
(2) The server side controls the charge and discharge test equipment based on a TCP/IP self-determination protocol, completes state data interaction, and displays the test data of each channel under each charge and discharge test equipment in a classified manner.
The data interaction comprises the steps of inputting bar codes to test channels of all managed charging and discharging test equipment, remotely starting, stopping, pausing, recovering and refreshing faults, and the system polls and acquires test state information of all the test channels in the step (1) through a wired or wireless network based on a self-defined communication protocol.
(3) The server side judges whether the tested channel is disconnected or not by monitoring the heartbeat signals of each channel under each charge and discharge test device.
(4) And the server end screens and displays the real-time histogram of the data of each cell in the channel to be monitored according to the flexible configuration consistency, and visually and vividly monitors the abrupt data of each cell.
The histogram supports the real-time data display screening of the 720 battery monomers at most, and can select the acquisition sources of the monomer data in a user-defined mode, wherein the acquisition sources include monomer polling instruments, BMS, UDS and user-defined variables, and the upper limit, the lower limit, the color, the real-time maximum value, the real-time minimum value, the real-time maximum value and the real-time minimum value of the acquisition points correspond to the histogram.
The single data from the single polling instrument can be set with the range of the acquisition point, the single data from BMS, UDS and custom variable can be set with the character matching rule of the acquisition value to the strain name, and the corresponding data can be automatically acquired to complete the display and the real-time statistics.
(5) And the server side displays the data curves of the output voltage, the current data and the real-time parameters by using an instrumented UI interface or an oscillometric UI interface. The charge and discharge test equipment is described by taking power battery charge and discharge test equipment developed by new technologies limited in the Changhai height of Wuhan as a monitored object, but is not limited to the charge and discharge test equipment. The remote charging and discharging test equipment can be accessed and controlled through the remote desktop on the server side, local database data of the remote charging and discharging test equipment can be remotely accessed and inquired through the IP address, the test equipment side can be completely unattended, only one system needs to be operated in a centralized control room, and labor consumption is reduced. The server side can remotely monitor the resource overhead of the upper computers of all the test devices and the production running conditions of all the test channels, so that the comprehensive unified scheduling and resource allocation of the production of all the devices and the test channels thereof are facilitated, and the vacancy rate of the test channels of the devices is relatively reduced.
The instrumented UI interface is a control which is customized to package a measuring range, scales, colors and a meter pointer and can be set by imitating a vehicle-mounted instrument panel, and can dynamically display values of total voltage and total current in real time, so that the instrumented UI interface is visual and vivid.
The oscillographic UI interface is a self-defined package, left and right auxiliary lines can be added or deleted in the oscillographic interface, dynamic oscillographic display is used for displaying the selected variable values monitored in real time, and the interface oscillographic grid, X, Y axis, upper limit and lower limit can be freely set and set into a control in a self-adaptive mode.
The management method of the invention has the following characteristics:
the invention relates to a WCF (wideband measurement and control) based writing service interface and a data transmission method in main monitoring.
The invention defines the communication class and method integrating various communication protocols in the main monitoring.
The invention encapsulates the function block, multithread receiving, sending, data processing function, entrusting event, self-defining UI control in the main monitoring, and develops the UI interface on the basis.
According to the invention, a WCF-based service is introduced into the upper computer of the system charging and discharging test equipment, an interface is instantiated, Json data is packaged, a receiving and sending thread is started, data transmission is loaded, and the receiving thread controls the start and stop of a test channel after receiving an instruction.
The management system of the invention is started with main monitoring software, starts service, receives and identifies real-time data sent by an upper computer of each charge and discharge test device, carries out mapping management on the test data according to the received identity information head information of the charge and discharge test device, and finishes analysis, classification and interface display refreshing of data mapping management sorting codes.
The management system main monitoring software responds to user operation to control the start-stop test and other operations of the target test channel governed by the test equipment corresponding to the ip, and sends the operations to the upper computer of the corresponding test equipment through a self-defined protocol to complete control interaction.
The management system main monitoring software calculates the equipment channel production operation rate, the vacancy rate, the fault rate and the corresponding upper computer memory use overhead condition according to the real-time operation conditions of all the test channels of all the test equipment, and provides a basis for stable operation and maintenance.
The management system main monitoring software responds to the settings and data display refreshing of various data chart displays, animation charging and discharging displays, histogram displays, instrument displays, oscillography display real-time curves and the like checked by a user.
The management system main monitoring software acquires the ip of all the test equipment. The name of the computer can conveniently realize remote database access, query historical databases of upper computers of various remote testing devices, export reports and the like. The host computer of the remote testing equipment can also be completely controlled in the system main monitoring software according to the ip remote desktop, and the operation is the same as that of an operator beside the equipment.
Based on the flow, the remote centralized control management of all on-line power battery testing equipment in different areas, different plants, different workshops or production lines and testing areas is completely realized.
The above-described embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the inventive concept of the present invention, and these embodiments are within the scope of the present invention.
Claims (9)
1. A power battery test remote management method is based on a management device consisting of a server and an upper computer serving as a client, wherein the server communicates with the client through a wired/wireless network, and the upper computer is connected with a plurality of charging and discharging test devices, and is characterized in that: comprises the following steps
(1) The charging and discharging test equipment uploads test data to an upper computer at regular time based on real-time communication of WCF, and a server side identifies the IP of the upper computer to which each charging and discharging test equipment belongs according to a mapping relation between the IP and a feature code containing a computer name and equipment codes and corresponding data;
(2) the server side controls the charge and discharge test equipment based on a TCP/IP protocol, completes state data interaction, and displays test data of each channel under each charge and discharge test equipment in a classified manner;
(3) the server side judges whether the tested channel is disconnected or not by monitoring the heartbeat signal of the channel;
(4) the server side screens and displays a real-time histogram of data of each battery monomer in a channel to be monitored;
(5) and the server side displays the data curves of the output voltage, the current data and the real-time parameters by using an instrumented UI interface or an oscillometric UI interface.
2. The remote management method for testing the power battery according to claim 1, wherein the test data in the step (1) comprises summary output data, detailed data, inspection instrument cell voltage, inspection instrument cell temperature, DBC variable from BMS, UDS variable, custom variable, and charging and discharging test equipment identity header data, and is packaged into character strings in UTF-8 encoding format in Json format, and is filled into a data area for transmission and analysis.
3. The remote management method for power battery testing according to claim 2, wherein the summary output data dynamically displays charge and discharge states including running state, charge and discharge mode, total voltage, total current and total time in a battery-simulated fashion; the detailed data comprises an operation state, a total voltage, a total current, a process step time, derivative data, test scheme attribute data and project attribute data; the charging and discharging test equipment identity information head data comprises a charging and discharging equipment code, an equipment upper computer name, an equipment upper computer ip, a battery manufacturer, a workshop or laboratory name, a test area and a test equipment model.
4. The remote management method for power battery testing according to claim 2, wherein the detailed data, the inspection instrument cell voltage, the inspection instrument cell temperature, the DBC variable from BMS, the UDS variable, and the custom variable are displayed in a tabular form.
5. The remote management method for power battery testing according to claim 1, wherein the data interaction in the step (2) includes entering a bar code for remote start, stop, pause, recovery and fault refresh of a testing channel of the charging and discharging testing equipment.
6. The remote management method for power battery testing according to claim 1, wherein the histogram in step (4) supports the real-time data display screening of 720 battery cells, and the upper limit and the lower limit, the color, the real-time maximum and minimum values, and the real-time maximum and minimum values correspond to the collection points through the histogram display.
7. The remote management method for the power battery test according to claim 6, wherein a collection point range is set for monomer data from a monomer polling instrument, a collection value-to-variable name character matching rule is set for monomer data from a BMS, a UDS and a custom variable, and corresponding data is automatically obtained to complete display and real-time statistics.
8. The remote management method for power battery testing according to claim 1, wherein the instrumented UI interface in step (5) is a control imitating a vehicle-mounted instrument panel and capable of setting a packaging range, a scale, a color and a meter pointer, and is dynamically displayed in real time along with the total voltage and the total current.
9. The remote management method for power battery testing according to claim 1, wherein the oscillographic UI interface in step (5) is a package that can add or delete left and right auxiliary lines in the oscillographic interface, and the dynamic oscillographic display displays the selected variable values monitored in real time, the interface oscillographic grid, X, Y axes and controls for upper and lower limits.
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| CN202111350894.3A CN114114058A (en) | 2021-11-15 | 2021-11-15 | Remote management method for power battery test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032043A1 (en) * | 2022-08-10 | 2024-02-15 | 宁德时代新能源科技股份有限公司 | Battery test method and apparatus, and electronic device and computer-readable storage medium |
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2021
- 2021-11-15 CN CN202111350894.3A patent/CN114114058A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032043A1 (en) * | 2022-08-10 | 2024-02-15 | 宁德时代新能源科技股份有限公司 | Battery test method and apparatus, and electronic device and computer-readable storage medium |
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