CN110286272B - Wireless charging simulation test method and system - Google Patents
Wireless charging simulation test method and system Download PDFInfo
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- CN110286272B CN110286272B CN201810225300.8A CN201810225300A CN110286272B CN 110286272 B CN110286272 B CN 110286272B CN 201810225300 A CN201810225300 A CN 201810225300A CN 110286272 B CN110286272 B CN 110286272B
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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
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Abstract
The invention discloses a wireless charging simulation test system and a method, comprising a tested wireless charging ground system and a simulation test system connected with the tested wireless charging ground system. The system realizes the setting of charging input parameters, relative position parameters between the transmitting coil and the receiving coil and power battery parameters through a human-computer interface, the BMS simulation and control device realizes the simulation and control of the wireless charging process, obtains the input and output parameters of the wireless charging process and uploads the parameters to the upper computer, the simulation test system can perform simulation test on the wireless charging systems with different types of batteries, different voltage levels and different power levels according to the set initial values, the position adjustment device adjusts the relative positions among the coils, realizes the test of different working conditions, records and uploads the relevant data of the test process, so that the background statistical analysis is convenient for giving test conclusion, and the problem that the wireless charging product breaks away from the vehicle for test in the pre-grinding and production stages is solved and simplified.
Description
Technical Field
The invention relates to the technical field of wireless charging, in particular to a wireless charging simulation test method and system.
Background
After countries such as europe sequentially put forward a fuel-off-sale plan, the ministry of industrial and telecommunication of china has started to research and develop a time table of fuel vehicles prohibit selling, and the dynamism and intelligence of new energy automobiles have become the direction and trend of development;
Aiming at the application of the electric vehicle charging mode, the wired alternating current, direct current charging and wireless charging are mainly adopted, and compared with the wired charging mode, the wireless charging has more obvious convenience and safety advantages in use; however, the current form of wireless charging is still in the early stage of production, let alone the test equipment for wireless charging. The testing of wireless charging involves a number of parameters including the relative distance Z of the coils, the offset Δx, Δy of the coils, different types of batteries, different voltage levels and different power levels of loads, the efficiency of wireless charging, etc.; the traditional test is a function separation type and step-by-step test, different loads are selected aiming at charging systems with different powers, the power transmission part is tested, and then the vehicle test is carried out; the steps are complicated and the comprehensive test cannot be performed.
In summary, how to effectively solve the problems of complicated testing steps in the pre-research and production processes of the existing wireless charging system is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
Accordingly, a first objective of the present invention is to provide a wireless charging simulation test system, which solves the problems of complicated steps in measuring wireless charging parameters.
In order to achieve the first object, the present invention provides the following technical solutions:
a wireless charging simulation test system comprises a wireless charging system to be tested and a simulation test system connected with the wireless charging system to be tested;
the wireless charging system comprises a wireless charging ground system, a transmitting coil connected with the wireless charging ground system, a wireless charging vehicle-mounted system and a receiving coil connected with the wireless charging vehicle-mounted system;
The simulation test system comprises a metering device for metering charging input parameters and charging output parameters of the wireless charging system respectively; position adjusting means for respectively connecting with the transmitting coil and the receiving coil to adjust the relative positions of the two; an electronic load for connecting with the wireless charging vehicle-mounted system to simulate power battery parameters; a human-machine interface for displaying information and parameter settings; the BMS simulation and control device is respectively connected with the metering device, the position adjusting device, the electronic load and the human-computer interface to realize simulation control;
And the upper computer is connected with the BMS simulation and control device to realize uploading of process data.
Preferably, the device further comprises a temperature measuring device connected with the BMS simulation and control device and used for measuring the temperature of the transmitting coil, the receiving coil and the environment respectively.
Preferably, the electronic load is specifically a direct current electronic load for simulating a constant-current constant-voltage charging process of the battery.
Preferably, the metering device comprises:
the alternating current electric energy meter or the power analyzer is connected with the wireless ground system and used for measuring parameters of an alternating current input side;
And the direct-current electric energy meter or the power analyzer is connected with the wireless charging vehicle-mounted system and used for measuring parameters of the direct-current output side.
Preferably, the position adjusting device is specifically a stepping motor driving unit capable of adjusting relative displacement of the transmitting coil and the receiving coil in a X, Y, Z direction in a three-dimensional coordinate system according to a command or a signal of the BMS simulation and control device, so as to change relative angles of overturning, pitching and yawing of the transmitting coil and the receiving coil respectively;
The BMS simulation and control device records and stores the relative displacement information among coils controlled by the stepping motor driving unit in real time.
Preferably, the BMS simulation and control device is connected with the vehicle-mounted IVU end of the wireless charging system through a can communication interface to realize the simulation connection of the charging process.
Preferably, the temperature measuring device includes:
a transmitting coil temperature measuring unit for measuring the temperature of the transmitting coil;
A receiving coil temperature measuring unit for measuring the temperature of the receiving coil;
an ambient temperature measuring unit for measuring an ambient temperature.
Preferably, the BMS simulation and control device is connected with the metering device, the electronic load and the human-computer interface through communication interfaces respectively, and the BMS simulation and control device is connected with the position adjustment device through communication interfaces or signal volumes.
Preferably, the BMS simulation and control device is in communication connection with the upper computer through a USB interface or a network port.
The invention also provides a wireless charging simulation test method, which comprises the following steps:
setting a charging input parameter, a relative position parameter between a transmitting coil and a receiving coil and a power battery simulation parameter;
according to the charging input parameters, the relative position parameters and the power battery simulation parameters, simulation control is realized on the wireless charging process, and output parameters of the wireless charging simulation process are obtained and stored;
and uploading output parameters of the wireless charging simulation process to an upper computer so as to facilitate statistical analysis.
The invention provides a wireless charging simulation test system, which comprises a wireless charging system and a simulation test system connected with the wireless charging system; the wireless charging system comprises a wireless charging ground system, a transmitting coil connected with the wireless charging ground system, a wireless charging vehicle-mounted system and a receiving coil connected with the wireless charging vehicle-mounted system; the simulation test system comprises a metering device for metering charging input parameters and charging output parameters of the wireless charging system respectively; position adjusting means for respectively connecting with the transmitting coil and the receiving coil to adjust the relative positions of the two; an electronic load for connecting with a wireless charging vehicle-mounted system to simulate power battery parameters; a human-machine interface for displaying information and parameter settings; BMS simulation and control device connected with the metering device, the position adjusting device, the electronic load and the man-machine interface respectively to realize simulation control; and the upper computer is connected with the BMS simulation and control device to realize data uploading.
By using the wireless charging simulation test method and system provided by the invention, the setting of the charging input parameters, the relative position parameters between the transmitting coil and the receiving coil and the power battery parameters is realized through the human-computer interface, the simulation and control of the BMS requirement in the wireless charging process are realized through the BMS simulation and control device, the output parameters of the wireless charging process are obtained, and the data are uploaded to the upper computer.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a wireless charging simulation test system according to an embodiment of the present invention.
The figures are marked as follows:
The system comprises a wireless charging ground system 1, a transmitting coil 2, a receiving coil 3, a wireless charging vehicle-mounted system 4, an electronic load 5, a position adjusting device 6 and a BMS simulation and control device 7.
Detailed Description
The embodiment of the invention discloses a wireless charging simulation test system, which aims to solve the problems of complicated steps and the like in the conventional measurement of wireless charging parameters.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a wireless charging simulation test system according to an embodiment of the invention.
In a specific embodiment, the wireless charging simulation test system provided by the invention comprises a tested wireless charging system and a simulation test system connected with the tested wireless charging system;
The wireless charging system comprises a wireless charging ground system 1, a transmitting coil 2 connected with the wireless charging ground system, a wireless charging vehicle-mounted system 4 and a receiving coil 3 connected with the wireless charging vehicle-mounted system 4; one end of the wireless charging ground system 1 is connected to a power grid to provide power, and structures, circuits and connection relationships between the wireless charging ground system 1 and the transmitting coil 2 and between the wireless charging vehicle-mounted system 4 and the receiving coil 3 can refer to the prior art, and are not described herein.
The simulation test system comprises a metering device for metering charging input parameters and charging output parameters of the wireless charging system respectively; position adjustment means 6 for respectively connecting with the transmitting coil 2 and the receiving coil 3 to adjust the relative positions thereof; an electronic load 5 for connecting with the wireless charging on-board system 4 to simulate the parameters of the power battery; a human-machine interface for displaying information and parameter settings; the BMS simulation and control device 7 is respectively connected with the metering device, the position adjusting device 6, the electronic load 5 and the human-computer interface and realizes simulation control; the charging input parameters may include parameters such as voltage, current, electric quantity, power factor, harmonic content and the like of the ac input side of the wireless charging system, and the charging output parameters may include parameters such as voltage, current, electric quantity, power and the like of the dc output side of the wireless charging vehicle-mounted system 4. The metering device can measure through setting up electric energy meter or power meter, does not limit its specific device, as long as can realize the same technical effect.
The electronic load 5 can realize modes such as constant current, constant voltage, constant resistance, constant power and the like so as to simulate the parameters of the power battery, and the battery is simulated to realize a constant-current constant-voltage charging process by setting a working mode, working voltage and current, and in one embodiment, the electronic load 5 is specifically a direct-current electronic load 5 for simulating the battery constant-current constant-voltage charging process.
The human-computer interface is used for intuitively displaying information and setting parameters, starting up is carried out by setting parameters such as battery type, rated value and charging requirement value of battery voltage and current, initial value of SOC, charging mode, charging time, relative distance of coils, alternating current mode (single phase/three phase) of a wireless charging system and the like, and a core control board of the simulation test system, namely the BMS simulation and control device 7 determines simulation data and control strategy of each part through the set parameters, and displays process data in real time in the test process, so that a tester can conveniently and intuitively judge.
The BMS simulation and control device 7 carries out information interaction with the metering device, the electronic load 5 and the human-computer interface through a communication interface, the communication interface is generally RS485, RS232 and the like, the interface can be selected according to actual needs, the BMS simulation and control device is connected to an upper computer through a USB interface or a network port so as to facilitate uploading of process data, the upper computer is generally a computer, data analysis software of a wireless charging system is installed and is used for analyzing real-time data and historical data in the testing process of the wireless charging system, and a data analysis chart or a 2D/3D and other more visual chart of a given test are calculated and processed through a specific algorithm, so that a test conclusion is obtained, and the pre-grinding of the wireless charging system or the testing of products are completed.
By using the wireless charging simulation test method and system provided by the invention, the setting of the charging input parameters, the relative position parameters between the transmitting coil 2 and the receiving coil 3 and the power battery parameters is realized through the human-computer interface, the simulation and control of the wireless charging process is realized through the BMS simulation and control device 7, the output parameters of the wireless charging process are obtained, and the data are uploaded to the upper computer.
In one embodiment, the device further comprises a temperature measuring device connected with the BMS simulation and control device 7 and used for measuring the transmitting coil 2, the receiving coil 3 and the ambient temperature respectively, and the temperature measuring device is used for measuring PrC temperature, puC temperature and ambient temperature so as to determine the temperature rise generated under the conditions of different power, voltage and ambient temperature of the wireless charging system, ensure the safety of the system and realize the temperature detection through a digital temperature sensor (such as DS18B 20) or an analog device (such as temperature NTC).
The metering device comprises:
An ac electric energy meter or a power analyzer associated with the input side of the wireless charging ground system 1 for measuring parameters of the ac input side;
a direct current electric energy meter or a power analyzer is associated with the output side of the wireless charging vehicle-mounted system 4 and is used for measuring the parameters of the direct current output side.
Specifically, the position adjusting device 6 is a stepping motor driving unit capable of adjusting the relative displacement of the transmitting coil 2 and the receiving coil 3 in the direction X, Y, Z in the three-dimensional coordinate system according to the command or signal of the BMS simulation and control device 7, so as to change the relative angles of the overturning, pitching and yawing of the transmitting coil 2 and the receiving coil 3;
The BMS simulation and control device 7 records and stores the relative displacement information between coils controlled by the stepping motor driving unit in real time. The stepping motor driving unit is mainly used for changing the relative displacement delta X and delta Y, Z of the transmitting coil 2 and the receiving coil 3 in the X, Y, Z directions, the BMS simulation and control device 7 records and stores the values of delta X and delta Y, Z in real time, the stepping motor is controlled to reset according to the last stored values of delta X and delta Y, Z before the next test, and the stepping motor driving unit is controlled to act according to the set new values of delta X and delta Y, Z; the relative angles of the transmitting coil 2 and the receiving coil 3 in the overturning, pitching and yawing modes can be further changed, so that the simulation test of the transmitting coil 2 and the receiving coil 3 at different angles can be met, and the test range is enlarged.
The BMS simulation and control device 7 is connected with the vehicle-mounted IVU end of the wireless charging system through a can communication interface to realize the simulation connection of the charging process so as to realize the communication function of the simulation BMS.
The BMS simulation and control device 7 is in communication connection with the upper computer through a USB interface or a network port, and uploads real-time data and historical data to the upper computer so as to facilitate comprehensive analysis and further generate a test result.
Based on the wireless charging simulation test system provided in the above embodiment, the present invention further provides a wireless charging simulation test method, including:
setting a charging input parameter, a relative position parameter between a transmitting coil and a receiving coil and a power battery simulation parameter;
The control simulation of the wireless charging working condition is realized according to the charging input parameters, the relative position parameters and the power battery simulation parameters, the BMS simulates the communication of the battery charging requirement, the input and output of the wireless charging process are collected and recorded, and the data are uploaded to the upper computer for the subsequent comprehensive analysis of the whole testing process.
By using the wireless charging simulation test method and system provided by the invention, the setting of the charging input parameters, the relative position parameters between the transmitting coil and the receiving coil and the power battery parameters is realized through the human-computer interface, the communication simulation of the wireless charging working condition control module and the BMS on the battery charging requirement is realized through the BMS simulation and control device, the relevant input and output parameters of the wireless charging process are acquired and recorded, and the data are uploaded to the upper computer.
The specific method flow is as follows:
a) Firstly, system wiring is carried out, and the power supply of a wireless charging system and an analog testing system is disconnected before wiring;
b) After the wiring is finished, a power supply of the simulation test system is turned on, the BMS simulation and control device performs program initialization, and the position adjustment device is controlled to reset according to the values of DeltaX and Delta Y, Z stored last time;
c) Parameters such as battery type, battery voltage, power rating, battery charging voltage, charging current requirement value, SOC initial value, charging mode, charging time, coil relative distance, AC input system (single-phase/three-phase) of the wireless charging system and the like are set through a human-computer interface;
The BMS simulation and control device determines a battery SOC-OCV curve through the set battery type;
Calculating an Ah integral value by combining the set battery voltage, a power rated value and an SOC initial value and converting the Ah integral value into an SOC current value, estimating charging residual time by combining the power rated value with the actual charging current, and giving a current battery voltage analog value by combining an SOC-OCV curve;
Simulating constant current and constant voltage processes of charging by combining the control of an electronic load through a set charging mode; converting the relation between the set values of the coil relative distances delta X and delta Y, Z and the stepping angle of the stepping motor and the mechanical executing device into executing parameters of the stepping motor;
Determining communication and display parameters of an alternating current input side through a set system (single phase/three phase) of alternating current input of a wireless charging system;
d) Waiting for a charging handshake instruction of the vehicle-mounted end IVU of the wireless charging system, and executing a subsequent specific charging process according to a communication protocol between a GBT 27930-2015 electric automobile non-vehicle-mounted conduction type charger and a battery management system; in the charging management flow, the wireless charging system communicates with other units in real time or processes the remote measurement information (such as temperature) of the wireless charging system to acquire the relevant data quantity input and output by the wireless charging system, realizes the local real-time display through a human-computer interface, and stores the process data, thereby facilitating the subsequent communication with an upper computer and also communicating with the upper computer in real time.
E) Conditions for ending the test:
whether the charging is finished or not can be judged according to the initial set charging time;
Judging whether the SOC is finished or not according to the calculated SOC current value;
The fault conditions such as overvoltage, overcurrent, overtemperature and the like can be judged according to the acquired real-time data quantity, and whether the fault conditions are ended or not is judged;
Whether the wireless charging system is ended or not can be judged according to an abort instruction issued by the vehicle-mounted terminal IVU of the wireless charging system;
The testing process may be manually ended by operating a button through a human-machine interface.
In the description, each embodiment is described in a progressive manner, and each embodiment is mainly described by the differences from other embodiments, so that the same similar parts among the embodiments are mutually referred. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
Those of skill would further appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative elements and steps are described above generally in terms of functionality in order to clearly illustrate the interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. The software modules may be disposed in Random Access Memory (RAM), memory, read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The wireless charging simulation test system and the wireless charging simulation test method provided by the invention are described in detail. The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (10)
1. The wireless charging simulation test system is characterized by comprising a wireless charging system to be tested and a simulation test system connected with the wireless charging system to be tested;
the wireless charging system comprises a wireless charging ground system, a transmitting coil connected with the wireless charging ground system, a wireless charging vehicle-mounted system and a receiving coil connected with the wireless charging vehicle-mounted system;
The simulation test system comprises a metering device for metering charging input parameters and charging output parameters of the wireless charging system respectively; position adjusting means for respectively connecting with the transmitting coil and the receiving coil to adjust the relative positions of the two; an electronic load for connecting with the wireless charging vehicle-mounted system to simulate power battery parameters; a human-machine interface for displaying information and parameter settings; the BMS simulation and control device is respectively connected with the metering device, the position adjusting device, the electronic load and the human-computer interface to realize simulation control;
The upper computer is connected with the BMS simulation and control device to upload process data;
The position adjusting device is specifically a stepping motor driving unit capable of respectively adjusting relative displacement of the transmitting coil and the receiving coil in the X, Y, Z direction in a three-dimensional coordinate system according to commands or signals of the BMS simulation and control device so as to respectively change the relative angles of overturning, pitching and yawing of the transmitting coil and the receiving coil;
The test of the wireless charging simulation test system specifically comprises the following steps:
a) Disconnecting the power supply of the wireless charging system and the simulation test system before system wiring;
b) After the wiring is finished, a power supply of the simulation test system is turned on, the BMS simulation and control device performs program initialization, and the position adjustment device is controlled to reset according to the values of DeltaX and Delta Y, Z stored last time; wherein, the relative displacement of the transmitting coil and the receiving coil in three directions X, Y, Z in a three-dimensional coordinate system is delta X and delta Y, Z respectively;
c) Setting a battery type, a battery voltage, a power rated value, a battery charging voltage, a charging current required value, an initial state of charge (SOC) value, a charging mode, a charging time, a coil relative distance and an alternating current input mode of a wireless charging system through a human-computer interface; wherein the alternating current input system comprises single phase/three phases;
The BMS simulation and control device determines a battery SOC-OCV curve through the set battery type;
Calculating an Ah integral value by combining the set battery voltage, a power rated value and an SOC initial value and converting the Ah integral value into an SOC current value, estimating charging residual time by combining the power rated value with the actual charging current, and giving a current battery voltage analog value by combining an SOC-OCV curve;
Simulating constant current and constant voltage processes of charging by combining the control of an electronic load through a set charging mode; converting the relation between the set values of the coil relative distances delta X and delta Y, Z and the stepping angle of the stepping motor and the mechanical executing device into executing parameters of the stepping motor;
the communication and display parameters of the communication input side are determined through the set system of the wireless charging system for communication input;
d) Waiting for a charging handshake instruction of the vehicle-mounted terminal IVU of the wireless charging system and executing a charging process; in the charging management flow, communicating with other units in real time or processing local telemetry information, acquiring related data quantity input and output by a wireless charging system, realizing local real-time display through a human-computer interface, and storing process data so as to communicate with an upper computer;
e) The condition for ending the test comprises at least one of the following:
Judging whether the charging is finished or not according to the initially set charging time;
Judging whether the SOC is finished or not according to the calculated SOC current value;
Judging overvoltage, overcurrent and overtemperature fault conditions according to the acquired real-time data quantity, and judging whether the process is finished or not;
judging whether the wireless charging system is ended or not according to an abort instruction issued by an IVU (integrated circuit) of a vehicle-mounted terminal of the wireless charging system;
and manually ending the testing process through a human-computer interface operation button.
2. The wireless charging simulation test system of claim 1, further comprising temperature measuring means connected to the BMS simulation and control means for measuring the transmitting coil, the receiving coil and the ambient temperature, respectively.
3. The wireless charging simulation test system according to claim 2, wherein the electronic load is in particular a direct current electronic load for simulating a constant-current constant-voltage charging process of a battery.
4. The wireless charging simulation test system according to claim 3, wherein the metering device comprises:
the alternating current electric energy meter or the power analyzer is connected with the wireless charging ground system and used for measuring parameters of an alternating current input side;
And the direct-current electric energy meter or the power analyzer is connected with the wireless charging vehicle-mounted system and used for measuring parameters of the direct-current output side.
5. The wireless charging simulation test system according to claim 4, wherein the BMS simulation and control device records and stores the relative displacement information between coils controlled by the stepping motor driving unit in real time.
6. The wireless charging simulation test system according to claim 5, wherein the BMS simulation and control device is connected with a vehicle-mounted IVU end of the wireless charging system through a can communication interface to realize a simulation connection of a charging process.
7. The wireless charging simulation test system according to claim 6, wherein the temperature measuring device comprises:
a transmitting coil temperature measuring unit for measuring the temperature of the transmitting coil;
A receiving coil temperature measuring unit for measuring the temperature of the receiving coil;
an ambient temperature measuring unit for measuring an ambient temperature.
8. The wireless charging simulation test system according to claim 7, wherein the BMS simulation and control device is connected with the metering device, the electronic load and the human-machine interface through communication interfaces, respectively, and the BMS simulation and control device is connected with the position adjustment device through communication interfaces or signal amounts.
9. The wireless charging simulation test system according to claim 8, wherein the BMS simulation and control device is communicatively connected to the upper computer via a USB interface or a network port.
10. A wireless charging simulation test method, characterized by being applied to the wireless charging simulation test system according to any one of claims 1 to 9, comprising:
setting a charging input parameter, a relative position parameter between a transmitting coil and a receiving coil and a power battery simulation parameter;
according to the charging input parameters, the relative position parameters and the power battery simulation parameters, simulation control is realized on the wireless charging process, and output parameters of the wireless charging simulation process are obtained and stored;
and uploading output parameters of the wireless charging simulation process to an upper computer so as to facilitate statistical analysis.
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| CN111123891B (en) * | 2019-12-24 | 2021-05-28 | 国联汽车动力电池研究院有限责任公司 | BMS-based fast charging test method, system, equipment and storage medium |
| CN111537828A (en) * | 2020-06-03 | 2020-08-14 | 江西联智集成电路有限公司 | Aging test method and device for wireless charging equipment and readable storage medium |
| CN111913407A (en) * | 2020-08-12 | 2020-11-10 | 安洁无线科技（苏州）有限公司 | Test system and test method for vehicle wireless charging equipment |
| CN112339605B (en) * | 2020-10-16 | 2022-05-31 | 中汽研汽车检验中心（天津）有限公司 | System and method for testing consistency of communication protocol of wireless charging ground terminal equipment |
| CN112350885B (en) * | 2020-10-16 | 2021-11-30 | 中汽研汽车检验中心（天津）有限公司 | System and method for testing consistency of communication protocol of wireless charging system of electric vehicle |
| CN113193660A (en) * | 2021-03-31 | 2021-07-30 | 清华大学 | Reliability test system of external control equipment for implanted medical instrument |
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