CN114019381A - CVTN (continuously variable transmission) testing device of battery module and testing method and device of battery module - Google Patents
CVTN (continuously variable transmission) testing device of battery module and testing method and device of battery module Download PDFInfo
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- CN114019381A CN114019381A CN202111276195.9A CN202111276195A CN114019381A CN 114019381 A CN114019381 A CN 114019381A CN 202111276195 A CN202111276195 A CN 202111276195A CN 114019381 A CN114019381 A CN 114019381A
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- 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]
Abstract
The invention discloses a CVTN testing device of a battery module, and a testing method and device of the battery module. The invention comprises the following steps: the CVTN is used for being connected with the battery module to be tested through the connecting port, receiving data of the battery module to be tested, which are acquired through the Busbar, and processing the battery module to be tested to obtain first data, wherein the Busbar is connected with a battery core tab of the battery module in a welding mode; the upper computer is connected with the CVTN and used for receiving and analyzing the first data to obtain an analysis result, wherein the analysis result at least comprises a judgment result of whether the voltage of the battery module and the temperature of the battery module are within a preset range.
Description
Technical Field
The invention relates to the field of battery modules, in particular to a CVTN (continuously variable transmission) testing device of a battery module and a testing method and device of the battery module.
Background
The lithium battery module is an important component of a battery pack in a new energy automobile, and the energy density, capacity, voltage and other performances of the battery are key factors influencing the endurance mileage, service life, safety and reliability of the battery pack in the new energy automobile.
In the correlation technique, the voltage that present domestic lithium cell module generally adopted the low-voltage pencil to come real time monitoring battery, temperature isoparametric in time feeds back the battery situation and gives the controller, has also used PCB integrated circuit to gather electric core data among the part technique, and the while is used CVTN to monitor the battery condition.
The traditional voltage sampling scheme of the battery is mainly a wiring harness sampling mode, the wiring harness voltage sampling is directly connected with the positive electrode and the negative electrode of the battery core, the voltages at the two ends of the positive electrode and the negative electrode of the battery core are collected, the impedance of a connecting position is overlarge, the voltage sampling precision can be influenced, further the subsequent SOC estimation, the charging and discharging protection threshold value and the like are influenced, and even safety accidents are caused. The voltage sampling wire bundles are more, and the insulating layer is damaged, so that the short circuit is easy to occur. Wear resistance, tear resistance, high temperature resistance, fire resistance, aging resistance, and the like are also considered. There is impedance in pencil collection, also has the precision error great. In the process of charging and discharging the battery, the low-voltage wire harness has mutual coupling interference of induced currents, the feedback battery condition is influenced, and the misjudgment condition of the controller is caused. When the module is out of order, the insulating and temperature resistance of pencil itself is limited, and the thing of taking place the short circuit between the wire often takes place, and this is also an important mode that battery trouble thermal runaway propagates.
Meanwhile, various parameter detection methods of the lithium battery module are crucial factors related to the module, most of low-voltage wiring harness schemes are not detected, or the whole battery pack is detected together, so that a plurality of adverse phenomena and abnormal faults can not be detected.
In view of the above problems in the related art, no effective solution has been proposed.
Disclosure of Invention
The invention mainly aims to provide a CVTN testing device of a battery module, a testing method of the battery module and a testing device of the battery module, so as to solve the technical problem of low detection efficiency of the battery module in the related technology.
In order to achieve the above object, according to an aspect of the present invention, there is provided a CVTN testing apparatus of a battery module. The device includes: the CVTN is used for being connected with the battery module to be tested through the connecting port, receiving data of the battery module to be tested, which are acquired through the Busbar, and processing the battery module to be tested to obtain first data, wherein the Busbar is connected with a battery core tab of the battery module in a welding mode; and the upper computer is connected with the CVTN and used for receiving and analyzing the first data to obtain an analysis result, wherein the analysis result at least comprises a judgment result of whether the voltage of the battery module and the temperature of the battery module are within a preset range.
Further, the host computer includes: one end of the CAN communication unit is electrically connected with the CVTN through a port, and the other end of the CAN communication unit is electrically connected with the processor and used for sending first data to the processor; the processor is electrically connected with one end of the CAN communication unit and used for receiving the first data, analyzing and processing the first data and obtaining an analysis result; the analysis result display unit is electrically connected with the processor and used for acquiring and displaying an analysis result; and the power supply unit is respectively connected with the CAN communication unit, the processor and the analysis result display unit and supplies power to each unit.
Further, the host computer still includes: the display screen is connected with the processor and used for acquiring and analyzing information, analysis results and first data of the CVTN testing device, wherein the information of the CVTN testing device at least comprises the following information: the ID number of the CVTN test apparatus, the time at which the CVTN test apparatus starts testing, and the time at which the test ends.
Further, the analysis result display unit includes: the voltage display module is used for displaying a first analysis result corresponding to the voltage of the battery module to be measured, wherein the first analysis result at least comprises a judgment result of whether the maximum voltage difference of the battery module to be measured is within a first preset range; the temperature display module is used for displaying a second analysis result corresponding to the temperature of the battery module to be measured, wherein the second analysis result at least comprises a judgment result of whether the maximum temperature difference of the battery module to be measured is within a first preset range; and the fault display module is used for displaying information corresponding to the fault of the battery module to be measured.
Further, the power supply unit includes: the power supply module comprises a direct current power supply and a protection circuit, wherein the direct current power supply supplies power to each unit in the CVTN testing device under the condition that no abnormality exists, and the protection circuit is used for monitoring the output current of the direct current power supply and reducing the output current to be within a current threshold range when the output current exceeds the current threshold range; the standby power supply module comprises a UPS (uninterrupted power supply), a UPS driving module and an EDS (electronic data System) protection module, wherein the UPS driving module drives the UPS to supply power for each unit in the CVTN (constant voltage transient test) testing device under the condition that the DC power supply is abnormal, and the EDS protection module is used for monitoring the output current of the UPS and reducing the output current to be within the current threshold range when the output current exceeds the current threshold range.
In order to accomplish the above object, according to another aspect of the present invention, a method of testing a battery module is provided. The method comprises the following steps: when the test signal is detected, controlling a CVTN testing device of the battery module according to any one of claims 1 to 6 to acquire the data of the battery module to be tested, which is acquired through the Busbar; the CVTN testing device for controlling the battery module preprocesses the battery module data to be tested to obtain first data and analyzes the first data to obtain an analysis result, wherein the analysis result at least comprises a judgment result of whether the voltage of the battery module and the temperature of the battery module are within a preset range.
In order to accomplish the above object, according to another aspect of the present invention, there is provided a test apparatus for a battery module. The device includes: the first control unit is used for controlling the CVTN testing device of the battery module set in any one of claims 1 to 6 to obtain the data of the battery module set to be tested, which is acquired through the bus bar, when the testing signal is detected; and the second control unit is used for controlling the CVTN testing device of the battery module to preprocess the battery module to be tested so as to obtain first data and analyzing the first data so as to obtain an analysis result.
In order to achieve the above object, according to another aspect of the present invention, there is provided a battery module. This battery module includes: and a battery core tab on the battery module is welded with a Busbar.
By the invention, the following parts are adopted: the CVTN is used for being connected with the battery module to be tested through the connecting port, receiving data of the battery module to be tested, which are acquired through the Busbar, and processing the battery module to be tested to obtain first data, wherein the Busbar is connected with a battery core tab of the battery module in a welding mode; the upper computer is connected with the CVTN and used for receiving and analyzing the first data to obtain an analysis result, wherein the analysis result at least comprises a judgment result of whether the voltage of the battery module and the temperature of the battery module are within a preset range, the technical problem that the detection efficiency of the battery module is low in the related art is solved, and the effect of effectively reducing mutual coupling interference of induced currents is achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a CVTN testing apparatus for a battery module according to an embodiment of the present invention; and
fig. 2 is a schematic diagram of an upper computer structure provided in the embodiment of the present application, and a schematic diagram of connection between the CVTN and a battery module to be tested;
fig. 3 is a schematic display diagram illustrating that a determination result in analysis results provided in the embodiment of the present application is OK;
fig. 4 is a schematic display diagram of NG as a determination result in the analysis results provided in the embodiment of the present application;
fig. 5 is a flowchart of a testing method of a battery module according to an embodiment of the present disclosure;
fig. 6 is a schematic diagram of a testing apparatus for a battery module according to an embodiment of the invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to the embodiment of the invention, the CVTN testing device of the battery module is provided.
Fig. 1 is a schematic diagram of a CVTN testing apparatus for a battery module according to an embodiment of the present invention. As shown in fig. 1, the apparatus comprises the following parts: CVTN, upper computer;
the CVTN is used for being connected with a battery module to be tested through a connecting port, receiving data of the battery module to be tested, collected through a bus bar, and processing the battery module to be tested to obtain first data, wherein the bus bar is connected with a battery core tab of the battery module in a welding mode;
the CVTN is a circuit board including an analog circuit, and the analog circuit is provided with an amplifier, a chip processor, a resistor, a capacitor, a diode and other elements, and is used for performing optimization processing such as amplification on received data by the analog circuit.
And the upper computer is connected with the CVTN and used for receiving and analyzing the first data to obtain an analysis result, wherein the analysis result at least comprises a judgment result of whether the voltage of the battery module and the temperature of the battery module are within a preset range.
The scheme that the CVTN and the PCB are added is mainly adopted to realize real-time monitoring of the voltage, the temperature, the voltage difference and the temperature difference of the lithium battery module, and data are fed back to the controller in time, wherein the CVTN comprises a CVTN analog circuit.
The application still provides a battery module, the welding has Busbar (Busbar) on the electric core utmost point ear on the battery module, voltage data through the Busbar collection battery module, signals such as temperature data and carry out the preliminary treatment to the data of gathering, and with data transmission to the host computer after the preliminary treatment, the host computer carries out the analysis and shows the analysis result to the data after handling again, CVTN testing arrangement and battery module through above-mentioned battery module, battery module electricity core electric current and induced-current intercoupling interference have been reduced, effectual anti-jamming measure has been provided, reduce the pressure drop and reduce the coupling, reduce wire impedance and distributed capacitance inductance.
It should be noted that this application still provides another optional embodiment, specifically, CVTN sets up on the battery module that awaits measuring, CVTN is connected with the busbar through the interface in order to receive the data of the battery module that awaits measuring that the busbar was gathered, and carry out optimization processing with data, CVTN is connected with host computer plug-in connection through the plug-in connection interface, and send the data after optimizing to the host computer and handle, this optional embodiment still provides a welding and has the busbar, and be provided with the battery module of CVYN, through the collection and processing of busbar and CVTN to the data, reached and effectively reduced battery module electricity core current and induced-current mutual coupling interference, provided effectual anti-jamming measures, reduce the pressure drop and reduce the coupling, reduce the technical effect of wire impedance and distribution capacitance inductance.
In an alternative embodiment, the upper computer comprises: one end of the CAN communication unit is electrically connected with the CVTN through a port, and the other end of the CAN communication unit is electrically connected with the processor and used for sending first data to the processor; the processor is electrically connected with one end of the CAN communication unit and used for receiving the first data, analyzing and processing the first data and obtaining an analysis result; the analysis result display unit is electrically connected with the processor and used for acquiring and displaying an analysis result; and the power supply unit is respectively connected with the CAN communication unit, the processor and the analysis result display unit and supplies power to each unit.
In the above, in an embodiment provided by the present application, the upper computer includes a CAN communication unit, a processor, an analysis result display unit, and a power supply unit, a specific structural schematic diagram is shown in fig. 2, fig. 2 is a schematic diagram of a structure of the upper computer and a CVTN, after receiving the data of the battery module collected by the bus bar, preprocessing the data and sending the processed first data to the CAN communication unit, the CAN communication unit sends the first data to the processor, the processor analyzes the first data and obtains an analysis result, wherein, the processor analyzes the first data to obtain the maximum temperature difference of the battery module and whether the voltage difference is qualified, if the temperature difference and the voltage difference are both within the preset range, the judgment is OK, otherwise, the judgment is NG, and reminding whether the battery module has a fault or not through the judgment result or the temperature difference and the voltage difference.
Furthermore, the upper computer also comprises an analysis result display unit and a power supply unit which are respectively used for displaying the analysis result and supplying power for the testing device.
Further, in an alternative embodiment, the analysis result display unit includes: the voltage display module is used for displaying a first analysis result corresponding to the voltage of the battery module to be measured, wherein the first analysis result at least comprises a judgment result of whether the maximum voltage difference of the battery module to be measured is within a first preset range; the temperature display module is used for displaying a second analysis result corresponding to the temperature of the battery module to be measured, wherein the second analysis result at least comprises a judgment result of whether the maximum temperature difference of the battery module to be measured is within a first preset range; and the fault display module is used for displaying information corresponding to the fault of the battery module to be measured.
The analysis result display unit comprises a voltage display module, a temperature display module and a fault display module, wherein the voltage display module and the temperature display module respectively display corresponding analysis results, and the fault display module acquires fault information to display under the condition that the analysis results are abnormal, for example, when at least one of the analysis results of the voltage and the analysis results of the temperature is NG, the fault display module correspondingly acquires specific fault information from the processor and displays the specific fault information, and the technical effect of real-time display of monitoring data and results is achieved through the analysis result display unit.
In an optional embodiment, the upper computer further comprises: the display screen is connected with the processor and used for acquiring and analyzing information, analysis results and first data of the CVTN testing device, wherein the information of the CVTN testing device at least comprises the following information: the ID number of the CVTN test apparatus, the time at which the CVTN test apparatus starts testing, and the time at which the test ends.
In the above, in an embodiment provided by the present application, the upper computer is further provided with a display screen, and the display screen acquires the ID number of the CVTN testing device, the time when the CVTN testing device starts testing, the time when the CVTN testing device ends testing, and the real-time voltage and the real-time temperature of each string of battery packs in the battery module from the processor, and displays the acquired data, as shown in fig. 3 and 4, meanwhile, when the maximum temperature difference of the battery module is within a first preset range and the maximum voltage difference is within a second preset range, the analysis result is displayed on the display screen as OK, otherwise, the analysis result is displayed on the display screen as NG, fig. 3 is a display diagram that the determination result in the analysis result is OK, and fig. 4 is a display diagram that the determination result in the analysis result is NG. Through set up the display screen on the host computer, reached the visual effect of testing arrangement information and battery module information.
In an alternative embodiment, the power supply unit comprises: the power supply module comprises a direct current power supply and a protection circuit, wherein the direct current power supply supplies power to each unit in the CVTN testing device under the condition that no abnormality exists, and the protection circuit is used for monitoring the output current of the direct current power supply and reducing the output current to be within a current threshold range when the output current exceeds the current threshold range; the standby power supply module comprises a UPS (uninterrupted power supply), a UPS driving module and an EDS (electronic data System) protection module, wherein the UPS driving module drives the UPS to supply power for each unit in the CVTN (constant voltage transient test) testing device under the condition that the DC power supply is abnormal, and the EDS protection module is used for monitoring the output current of the UPS and reducing the output current to be within the current threshold range when the output current exceeds the current threshold range.
Specifically, in the power supply unit provided by the application, two power supply modules are provided, one is a main power supply module and a protection circuit, and the other is a standby UPS power supply, a UPS driving module and an EDS protection module, and are used for supplying power to each part of the test device when the main power supply is abnormal.
It should be noted that the EDS protection module and the protection circuit both play a role of current stabilization.
The CVTN testing device of the battery module is used for being connected with the battery module to be tested through the connecting port, receiving data of the battery module to be tested, which are acquired through the Busbar, and processing the battery module to be tested to obtain first data, wherein the Busbar is connected with a battery core tab of the battery module in a welding mode; the upper computer is connected with the CVTN and used for receiving and analyzing the first data to obtain an analysis result, wherein the analysis result at least comprises a judgment result of whether the voltage of the battery module and the temperature of the battery module are within a preset range, the technical problem that the detection efficiency of the battery module is low in the related art is solved, and the effect of effectively reducing mutual coupling interference of induced currents is achieved.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
The embodiment of the invention also provides a test method of the battery module, as shown in fig. 5, the test method comprises the following steps:
s501: when a test signal is detected, controlling the CVTN testing device of the battery module to obtain the data of the battery module to be tested, which is acquired through the bus bar;
s502, controlling a CVTN testing device of the battery module to preprocess the battery module data to be tested to obtain first data and analyzing the first data to obtain an analysis result, wherein the analysis result at least comprises a judgment result of whether the voltage of the battery module and the temperature of the battery module are within a preset range.
In an optional embodiment, after the CVTN testing apparatus for controlling the battery module preprocesses the battery module to be tested to obtain the first data and analyzes the first data to obtain the analysis result, the method further includes: determining a first analysis result corresponding to the voltage of the battery module to be measured in the analysis results, wherein the first analysis result at least comprises a judgment result of whether the maximum voltage difference of the battery module to be measured is within a first preset range; determining a second analysis result corresponding to the battery module to be measured in the analysis results, wherein the second analysis result at least comprises a judgment result of whether the maximum temperature difference of the battery module to be measured is within a second preset range; determining whether the battery module has a fault, and acquiring fault information corresponding to the fault under the condition that the battery module has the fault; and controlling a CVTN testing device of the battery module to respectively display the first analysis result, the second analysis result and the fault information.
In an optional embodiment, after the CVTN testing apparatus for controlling the battery module preprocesses the battery module to be tested to obtain the first data and analyzes the first data to obtain the analysis result, the method further includes: and acquiring and controlling the CVTN testing device to display an analysis result, an ID number corresponding to the CVTN testing device, and real-time temperature and real-time voltage corresponding to each string of batteries in the battery module to be tested on a display screen.
In the above-mentioned test method for the battery module provided by the application, after the CVTN test device is mounted on the battery module, the CVTN test device is inserted into an interface of the battery module, the two-dimensional code is automatically scanned, and the CVTN test device automatically starts to test, in the embodiment provided by the application, the battery module includes 16 battery strings, 16 data acquisition is normal in the battery voltage test, a voltage difference is generated between 16 voltages, a maximum voltage deviation Δ V is less than or equal to 30mV, 2 data acquisition is normal in the battery temperature, a temperature Δ T is less than or equal to 1 ℃, if the voltage deviation Δ V and the temperature Δ T are not within a set range, a determination result is displayed as OK, as shown in fig. 3, and if at least one of the voltage deviation Δ V and the temperature Δ T is not within a predetermined range, the determination result is displayed as NG, as shown in fig. 4.
Furthermore, the CVTN testing arrangement that this application provided is last to be provided with display screen and voltage display module, temperature display module, and the display screen is used for showing the voltage and the temperature of every battery cluster of battery module in real time, and the display screen is used for showing the biggest temperature difference, the biggest voltage difference of ID number and battery module that test start time, finish time and CVTN testing arrangement correspond. The visual effect of test state, battery module state has been reached.
It should be noted that, the data of the battery module to be tested that the battery module in the embodiment of the present application acquired through the bus bar achieves the technical effects of reducing the mutual coupling interference between the electric core current and the induced current, reducing the voltage drop and the coupling, reducing the wire impedance and distributing the capacitance inductance.
The embodiment of the invention also provides a testing device of the battery module, and it should be noted that the testing device of the battery module provided by the embodiment of the invention can be used for executing the testing method for the battery module provided by the embodiment of the invention. The following describes a testing apparatus for a battery module according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a testing apparatus for a battery module according to an embodiment of the invention. As shown in fig. 6, the apparatus includes: a first control unit 601, configured to control the CVTN testing apparatus of the battery module according to any one of claims 1 to 6 to obtain the data of the battery module to be tested, which is collected by the buss bar, when the test signal is detected; the second control unit 602 is configured to control the CVTN testing apparatus of the battery module to preprocess the battery module data to be tested to obtain first data, and analyze the first data to obtain an analysis result.
In an optional embodiment, the apparatus further comprises: the device comprises a first determining unit, a second determining unit and a control unit, wherein the first determining unit is used for determining a first analysis result corresponding to the voltage of the battery module to be tested in the analysis result after the CVTN testing device for controlling the battery module to be tested pretreats the battery module to be tested to obtain first data and analyzes the first data to obtain the analysis result, and the first analysis result at least comprises a judgment result of whether the maximum voltage difference of the battery module to be tested is within a first preset range; the second determining unit is used for determining a second analysis result corresponding to the battery module to be measured in the analysis results, wherein the second analysis result at least comprises a judgment result of whether the maximum temperature difference of the battery module to be measured is within a second preset range; the third determining unit is used for determining whether the battery module has a fault or not, and acquiring fault information corresponding to the fault when the battery module is determined to have the fault; and the third control unit is used for controlling the CVTN testing device of the battery module to respectively display the first analysis result, the second analysis result and the fault information.
In an optional embodiment, the apparatus further comprises: and the fourth control unit is used for preprocessing the battery module to be tested by the CVTN testing device for controlling the battery module to obtain first data and analyzing the first data to obtain an analysis result, and then acquiring and controlling the CVTN testing device to display the analysis result, the ID number corresponding to the CVTN testing device and the real-time temperature and the real-time voltage corresponding to each string of batteries in the battery module to be tested on the display screen.
The testing device for the battery module provided by the embodiment of the invention is used for controlling the CVTN testing device for the battery module according to any one of claims 1 to 6 to obtain the data of the battery module to be tested, which is acquired through the Busbar, through the first control unit when the testing signal is detected; the second control unit is used for controlling the CVTN testing device of the battery module to preprocess the battery module to be tested so as to obtain first data and analyze the first data so as to obtain an analysis result, so that the technical problem that the battery module in the related technology is low in detection efficiency is solved, and the effect of effectively reducing mutual coupling interference of induced currents is achieved.
The first control unit 601 and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the technical problem of low detection efficiency of the battery module in the related technology is solved by adjusting the kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a storage medium having a program stored thereon, where the program, when executed by a processor, implements a method for testing a battery module.
The embodiment of the invention provides a processor, which is used for running a program, wherein a test method of a battery module is executed when the program runs.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the processor realizes a test method of a battery module when executing the program. The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The invention also provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: a method for testing a battery module.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a CVTN testing arrangement of battery module which characterized in that includes:
the CVTN is used for being connected with a battery module to be tested through a connection port, receiving data of the battery module to be tested, which are acquired through a Busbar, and processing the data of the battery module to be tested to obtain first data, wherein the Busbar is connected with a battery core tab of the battery module in a welding mode;
and the upper computer is connected with the CVTN and used for receiving and analyzing the first data to obtain an analysis result, wherein the analysis result at least comprises a judgment result of whether the voltage of the battery module and the temperature of the battery module are within a preset range.
2. The CVTN testing device of battery modules of claim 1, characterized in that the host computer includes:
one end of the CAN communication unit is electrically connected with the CVTN through a port, and the other end of the CAN communication unit is electrically connected with the processor and used for sending the first data to the processor;
the processor is electrically connected with one end of the CAN communication unit and is used for receiving the first data, analyzing the first data and obtaining the analysis result;
the analysis result display unit is electrically connected with the processor and used for acquiring and displaying the analysis result;
and the power supply unit is respectively connected with the CAN communication unit, the processor and the analysis result display unit and supplies power to each unit.
3. The CVTN testing device of battery modules of claim 2, characterized in that the host computer further includes:
the display screen is connected with the processor and used for acquiring and displaying the information of the CVTN testing device, the analysis result and the first data, wherein the information of the CVTN testing device at least comprises the following information: the ID number of the CVTN test apparatus, the time at which the CVTN test apparatus starts testing, and the time at which the test ends.
4. The CVTN testing apparatus of battery modules according to claim 2, characterized in that the analysis result display unit includes:
the voltage display module is used for displaying a first analysis result corresponding to the voltage of the battery module to be measured, wherein the first analysis result at least comprises a judgment result of whether the maximum voltage difference of the battery module to be measured is within a first preset range;
the temperature display module is used for displaying a second analysis result corresponding to the temperature of the battery module to be measured, wherein the second analysis result at least comprises a judgment result of whether the maximum temperature difference of the battery module to be measured is within a first preset range;
and the fault display module is used for displaying information corresponding to the fault of the battery module to be measured.
5. The CVTN testing apparatus of battery modules according to claim 2, characterized in that the power supply unit includes:
the power supply module comprises a direct current power supply and a protection circuit, the direct current power supply supplies power to each unit in the CVTN testing device under the condition that no abnormality exists, and the protection circuit is used for monitoring the output current of the direct current power supply and reducing the output current to be within a current threshold range when the output current exceeds the current threshold range;
reserve power supply module, including UPS power supply, UPS drive module and EDS protection module, UPS drive module is in DC power supply takes place the drive under the unusual condition UPS power supply does each unit in the CVTN testing arrangement supplies power, EDS protection module is used for monitoring UPS power supply's output current, and when output current exceeded the electric current threshold value scope, will output current reduces extremely in the electric current threshold value scope.
6. A method for testing a battery module is characterized by comprising the following steps:
when the test signal is detected, controlling the CVTN testing device of the battery module according to any one of claims 1 to 6 to acquire the data of the battery module to be tested, which is acquired through the Busbar;
the CVTN testing device for controlling the battery module preprocesses the data of the battery module to be tested to obtain first data and analyzes the first data to obtain an analysis result, wherein the analysis result at least comprises a judgment result of whether the voltage of the battery module and the temperature of the battery module are within a preset range.
7. The testing method of claim 6, wherein after the CVTN testing apparatus controlling the battery modules preprocesses the data of the battery modules to be tested to obtain first data and analyzes the first data to obtain an analysis result, the method further comprises:
determining a first analysis result corresponding to the voltage of the battery module to be measured in the analysis results, wherein the first analysis result at least comprises a judgment result of whether the maximum voltage difference of the battery module to be measured is within a first preset range;
determining a second analysis result corresponding to the battery module to be measured in the analysis results, wherein the second analysis result at least comprises a judgment result of whether the maximum temperature difference of the battery module to be measured is within a second preset range;
determining whether the battery module has a fault, and acquiring fault information corresponding to the fault under the condition that the battery module has the fault;
and controlling a CVTN testing device of the battery module to respectively display the first analysis result, the second analysis result and the fault information.
8. The testing method of claim 6, wherein after the CVTN testing apparatus controlling the battery modules preprocesses the data of the battery modules to be tested to obtain first data and analyzes the first data to obtain an analysis result, the method further comprises:
and acquiring and controlling the CVTN testing device to display the analysis result, the ID number corresponding to the CVTN testing device, and the real-time temperature and the real-time voltage corresponding to each string of batteries in the battery module to be tested on a display screen.
9. A testing arrangement of battery module characterized in that includes:
the first control unit is used for controlling the CVTN testing device of the battery module set according to any one of claims 1 to 6 to obtain the data of the battery module set to be tested, which is acquired through the bus bar, when the testing signal is detected;
and the second control unit is used for controlling the CVTN testing device of the battery module to preprocess the data of the battery module to be tested so as to obtain first data and analyzing the first data so as to obtain an analysis result.
10. The utility model provides a battery module, its characterized in that, the welding has bus bar on the electric core utmost point ear on the battery module.
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| CN202111276195.9A CN114019381A (en) | 2021-10-29 | 2021-10-29 | CVTN (continuously variable transmission) testing device of battery module and testing method and device of battery module |
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| CN202111276195.9A CN114019381A (en) | 2021-10-29 | 2021-10-29 | CVTN (continuously variable transmission) testing device of battery module and testing method and device of battery module |
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