CN114167191B - Automobile power supply converter detection method, system and computer equipment - Google Patents
Automobile power supply converter detection method, system and computer equipment Download PDFInfo
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- CN114167191B CN114167191B CN202111543082.0A CN202111543082A CN114167191B CN 114167191 B CN114167191 B CN 114167191B CN 202111543082 A CN202111543082 A CN 202111543082A CN 114167191 B CN114167191 B CN 114167191B
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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
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
- G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
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Abstract
The application is suitable for the technical field of automobile detection, provides an automobile power supply converter detection method, an automobile power supply converter detection system and computer equipment, and aims to solve the technical problem that in the prior art, the automobile power supply converter can be inspected and maintained only by being continuously detached and installed from an automobile, so that the maintenance work efficiency of the automobile power supply converter is improved. The method mainly comprises the following steps: determining a target model of a target automobile power converter corresponding to the target automobile according to the target automobile identification code; simulating the working condition of the target automobile to generate a test signal which is matched with the power converter of the target automobile; transmitting the test signal to the target automobile power supply converter to enable the target automobile power supply converter to generate a corresponding feedback signal; and receiving and analyzing the feedback signal to obtain a user-readable performance parameter as a detection result of the target automobile power converter.
Description
Technical Field
The application belongs to the technical field of automobile detection, and particularly relates to an automobile power supply converter detection method, an automobile power supply converter detection system and computer equipment.
Background
Along with the gradual development of new energy automobiles, more new energy automobiles are in society, and the new energy automobiles are provided with automobile power converters for converting the output voltage of automobile storage batteries into the working voltage of vehicle-mounted equipment so as to realize the normal operation of various vehicle-mounted equipment in the new energy automobiles.
However, in the prior art, when the automobile power supply converter fails and needs to be maintained, the automobile power supply converter is often required to be detached from the automobile for inspection and maintenance, then the automobile power supply converter is newly installed on the automobile for test verification, if the test fails, the automobile power supply converter is required to be detached from the automobile again, the inspection and maintenance and the automobile installation verification are repeated again, and the cycle is continued until the test passes.
Therefore, in the prior art, the automobile power supply converter is required to be continuously detached and installed from the automobile to complete checking and maintenance verification of the automobile power supply converter, so that the maintenance work efficiency of the automobile power supply converter is greatly affected.
Disclosure of Invention
The application provides a detection method, a detection system and computer equipment for an automobile power supply converter, which are used for solving the technical problem that in the prior art, the inspection and maintenance verification of the automobile power supply converter can be completed only by continuously detaching and installing the automobile power supply converter from an automobile, and improving the maintenance work efficiency of the automobile power supply converter.
In a first aspect, the present application provides a method for detecting an automotive power converter, including:
determining a target model of a target automobile power converter corresponding to the target automobile according to the target automobile identification code;
Simulating the working condition of the target automobile to generate a test signal which is matched with the power converter of the target automobile;
transmitting the test signal to the target automobile power supply converter to enable the target automobile power supply converter to generate a corresponding feedback signal;
And receiving and analyzing the feedback signal to obtain a user-readable performance parameter as a detection result of the target automobile power converter.
Optionally, the determining, according to the target vehicle identification code, the target model of the target vehicle power converter corresponding to the target vehicle includes:
Determining a target model of the target automobile power converter in a preset database according to the target automobile identification code, wherein the preset database stores a plurality of automobile identification codes, a plurality of automobile power converter models and corresponding relations between the automobile identification codes and the automobile power converter models, the target model is one of the automobile power converter models, and the target automobile identification code is one of the automobile identification codes.
Optionally, the method further comprises:
Receiving a vehicle identification code input by a user to the target automobile;
Determining the automobile model of the target automobile according to the automobile identification code of the target automobile;
Determining the model of the corresponding automobile power supply converter according to the automobile model of the target automobile; simulating an activation signal corresponding to the model of the automobile power converter to attempt to start the target automobile power converter of the target automobile;
if the target automobile power supply converter is successfully started, reading related information of the target automobile power supply converter, wherein the related information comprises the target model of the target automobile power supply converter;
judging whether the model of the automobile power supply converter is consistent with the target model;
If the model of the automobile power supply converter is consistent with the target model, judging that the model of the automobile power supply converter is correct;
If the model of the automobile power supply converter is inconsistent with the target model, storing the target model, the automobile identification code of the target automobile and the automobile model of the target automobile in the preset database in an associated mode;
And if the target automobile power converter is not successfully started, prompting the reentered vehicle identification code of the target automobile, and triggering and executing the step of receiving the vehicle identification code of the target automobile input by a user.
Optionally, the method further comprises:
starting a self-checking program to detect the insulation performance of the automobile power converter;
judging whether the insulation performance of the automobile power converter meets a preset insulation performance standard or not;
If the insulation performance of the automobile power supply converter meets the preset insulation performance standard, triggering and executing the step of simulating the working condition of the target automobile to generate a test signal of the target automobile power supply converter adapting to the target model;
And if the insulation performance of the automobile power converter does not meet the preset insulation performance standard, a warning is sent out.
Optionally, the method further comprises:
determining that the target automobile power converter is in a closed state;
sending an internal resistance detection signal to the target automobile power supply converter in the off state, and receiving an internal resistance feedback signal of the target automobile power supply converter in the off state;
Judging whether the internal resistance feedback signal meets a preset internal resistance standard or not;
if the internal resistance feedback signal meets a preset internal resistance standard, triggering and executing the step of sending the test signal to the target automobile power converter;
And if the internal resistance feedback signal does not meet the preset internal resistance standard, a warning is sent out.
Optionally, the method further comprises:
And discharging the electric energy stored by the high-voltage capacitor in the target automobile power converter so that the electric energy stored by the high-voltage capacitor reaches a preset safety standard.
Optionally, the method further comprises:
and executing clear codes on the target automobile power converter.
Optionally, the method further comprises:
And comparing and analyzing the detection result with a preset corresponding standard to form a detection report.
In a second aspect, the present application provides an automotive power converter detection system comprising:
The determining unit is used for determining the target model of the target automobile power converter corresponding to the target automobile according to the target automobile identification code;
The simulation unit is used for simulating the working condition of the target automobile to generate a test signal which is adaptive to the power converter of the target automobile;
the transmitting unit is used for transmitting the test signal to the target automobile power supply converter so that the target automobile power supply converter generates a corresponding feedback signal;
And the receiving unit is used for receiving and analyzing the feedback signal to obtain a performance parameter readable by a user as a detection result of the target automobile power converter.
In a third aspect, the present application provides a computer device comprising:
a processor, a memory, a bus, an input-output interface, and a wireless network interface;
The processor is connected with the memory, the input/output interface and the wireless network interface through buses;
The memory has a computer readable program stored therein;
The processor, when executing the computer readable program stored in the memory, implements any one of the foregoing detection methods of the automobile power converter.
Therefore, the automobile power supply converter is only required to be detached from the automobile at one time, the automobile power supply converter detection system can be used for completing the inspection and maintenance verification of the automobile power supply converter by using the automobile power supply converter detection method of the embodiment of the application until the automobile power supply converter passes the detection, and then the automobile power supply converter is reinstalled on the automobile, so that the processes of detaching, inspecting and maintaining the automobile power supply converter, assembling and verifying and continuously and circularly disassembling the automobile power supply converter in the prior art are avoided, and the maintenance work efficiency of the automobile power supply converter is greatly improved.
Drawings
FIG. 1 is a flow chart of an embodiment of a method for detecting an automotive power converter according to the present application;
FIG. 2 is a flowchart illustrating a method for detecting an automotive power converter according to another embodiment of the present application;
FIG. 3 is a flowchart illustrating a method for detecting an automotive power converter according to another embodiment of the present application;
FIG. 4 is a flowchart illustrating a method for detecting an automotive power converter according to another embodiment of the present application;
FIG. 5 is a flowchart illustrating a method for detecting an automotive power converter according to another embodiment of the present application;
FIG. 6 is a schematic diagram illustrating the structure of an exemplary embodiment of a detection system for an automotive power converter according to the present application;
FIG. 7 is a schematic diagram of an embodiment of the connection of the automotive power converter detection system to an automotive power converter according to the present application;
FIG. 8 is a schematic diagram of a computer device according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Referring to fig. 7, the power converter of the automobile in the embodiment of the application refers to a DC-DC module, an AC-DC module or a DC-AC module applied to the automobile. The DC-DC module refers to a high-voltage direct-current power supply (high voltage DC power supply low voltage DC power supply, DC-DC) module, the AC-DC module refers to a module for converting alternating current power supply into direct current power supply, and the DC-AC module refers to a module for converting direct current power supply into alternating current power supply. The automobile power supply converter detection system of the embodiment mainly comprises a diagnostic instrument and an automobile power supply converter diagnostic tool box, wherein the diagnostic instrument is mainly used for recording and analyzing feedback data of the automobile power supply converter, and the automobile power supply converter diagnostic tool box is mainly used for sending test signals generated by simulating working conditions to the automobile power supply converter. It can be appreciated that the power module is required to provide the matched working voltage for the diagnostic tool box of the automobile power converter in the automobile power converter detection system, for example, the power module can convert the automobile power converter detection system into the matched working voltage according to the power utilization standards of different countries or regions; the diagnostic device can be integrated with the diagnostic tool box of the automobile power converter, or the diagnostic device and the diagnostic tool box of the automobile power converter are in communication connection through a wireless network (such as Bluetooth, wiFi and the like) or a wired network (such as a vehicle communication interface vehicle communication interface, optical fibers and the like), so that the diagnostic device can acquire feedback data of the automobile power converter and various test data of the diagnostic tool box of the automobile power converter through the diagnostic tool box of the automobile power converter; When the diagnostic instrument is connected with the diagnostic tool box of the automobile power supply converter through a wireless network, the diagnostic instrument can be powered by a self-contained mobile power supply, so that a user can conveniently operate the diagnostic instrument in a wireless beam-bound environment; the diagnostic tool box of the automobile power supply converter is connected with the automobile power supply converter by directly simulating the automobile environment, and is used for sending test signals generated by simulating working conditions to the automobile power supply converter and receiving various feedback of the automobile power supply converter under the test signals at any time, for example: when the automobile power supply converter is a DC-DC module, the automobile power supply converter detection system is connected with a low-voltage line interface of the automobile power supply converter through a low-voltage line, and the low-voltage line is mainly connected with related low-voltage signals such as a power supply, grounding, CAN communication, LIN communication and the like of the automobile power supply converter; The method comprises the steps of interfacing with a 12V (volt) load line of an automobile power converter through a 12V (volt) low-voltage load line; the high-voltage input line is connected with a high-voltage input interface of the automobile power converter, an inverter and a transformer are arranged in the diagnosis tool box of the automobile power converter, and power supply of the power supply module can be simulated into corresponding high-voltage output according to different automobile models and is output to a direct-current high-voltage interface of the automobile power converter through the high-voltage input line. That is, in the embodiment of the present application, the inspection and maintenance verification of the automobile power converter may be completed by using the inspection method of the automobile power converter according to the embodiment of the present application, only by removing the automobile power converter from the automobile at one time and then correspondingly matching and connecting the automobile power converter with the diagnosis tool box of the automobile power converter, until the inspection of the automobile power converter passes, and then reinstalling the automobile power converter to the automobile; The detection process of the automobile power converter is specifically described in the following examples.
Based on the above hardware basis, referring to fig. 1, an embodiment of a detection method of an automotive power converter of the present application includes:
101. and determining the target model of the target automobile power converter corresponding to the target automobile according to the target automobile identification code.
Because the automobile is used as a mature product, in an automobile database of the existing automobile related data, the automobile related data can be queried through an automobile identification code, and the automobile identification code can be a unique identification such as a frame number (Vehicle Identification Number, VIN). The step can determine the target model of the corresponding target automobile power converter in the preset database according to the target automobile identification code, so that the follow-up step can know the parameters of the target automobile power converter according to the target model of the target automobile power converter, and further know how to control and use the automobile power converter. The preset database should store a plurality of vehicle identification codes, a plurality of automobile power converter models, and a corresponding relation between the vehicle identification codes and the automobile power converter models, wherein the target model is one of the automobile power converter models, and the target vehicle identification code is one of the vehicle identification codes. Similarly, as a mature product, the automobile power converter can find the description and the operation instruction of the automobile power converter from the existing automobile power converter database.
102. And simulating the working condition of the target automobile to generate a test signal of the target automobile power converter adapting to the target model.
After determining the target model of the target automobile power converter, the step may simulate the working conditions of the target automobile to generate a test signal of the automobile power converter matching the target model, where the working conditions of the target automobile include, but are not limited to: automobile start, various modes of operation of the automobile, automobile parking, automobile failure, etc. It can be appreciated that under different working conditions, the control signals issued by the target automobile to the automobile power converter may be different, so that the automobile power converter outputs different power energy sources to the target automobile according to different control signals, and further, the target automobile shows different performances. In this step, the detection system of the automobile power converter can simulate various control signals of the target automobile as test signals.
103. And sending a test signal to the target automobile power supply converter so that the target automobile power supply converter generates a corresponding feedback signal.
The test signal generated in step 102 is sent to the target automobile power converter, so that the target automobile power converter is mistakenly the same as the one installed in the target automobile, and the target automobile power converter can make a corresponding feedback signal for the test signal, so that the target automobile environment is simulated in the non-target automobile environment, and the target automobile power converter makes a corresponding feedback signal according to the test signal.
104. And receiving and analyzing the feedback signal to obtain a user-readable performance parameter as a detection result of the target automobile power converter.
And receiving a feedback signal of the target automobile power converter in the step 103, analyzing and converting the feedback signal, and converting information correspondingly expressed by the feedback signal into a user-readable performance parameter, namely a detection result. For example, the feedback signal is converted into various user-readable performance parameters according to a preset reference standard, and the performance parameters are detection results.
Therefore, the automobile power supply converter is only required to be detached from the automobile at one time, the inspection and maintenance verification of the automobile power supply converter can be completed through the automobile power supply converter detection system by using the automobile power supply converter detection method of the embodiment of the application until the automobile power supply converter passes the inspection, and then the automobile power supply converter is reinstalled on the automobile, so that the processes of detaching, inspecting and maintaining the automobile power supply converter, assembling and verifying and continuously and circularly disassembling the automobile power supply converter in the prior art are avoided, and the maintenance work efficiency of the automobile power supply converter is greatly improved.
Referring to fig. 2, before step 101 of the embodiment of fig. 1, in this embodiment, the target model of the target automobile power converter is correctly matched, and the target model of the target automobile power converter is associated with the corresponding automobile model of the target automobile, so as to enrich the data of the preset database; the detection method of the automobile power supply converter can further comprise the following steps:
201. a vehicle identification code of a target vehicle is received from a user input.
The user in this step refers to the operator of the detection system of the power converter of the automobile, and since the power converter of the automobile detached from the target automobile may not be able to determine the model from the appearance, but the vehicle identification code of the target automobile is determinable with a high probability, the user can input or select the vehicle identification code of the target automobile in this step. Specifically, the diagnostic instrument of the automobile power converter detection system or the automobile power converter diagnostic tool box can receive the user input or select the vehicle identification code of the target automobile, wherein the vehicle identification code can be a unique identification such as a frame number (Vehicle Identification Number, VIN).
202. And determining the automobile model of the target automobile according to the automobile identification code of the target automobile.
The car model of the target car is determined by the car identification code of the target car in step 201. It can be understood that the vehicle identification code of the target vehicle is unique, and the vehicle model corresponding to the vehicle identification code of the target vehicle can be queried and determined through the vehicle database of the existing vehicle related data.
203. And determining the model of the corresponding automobile power converter according to the automobile model of the target automobile.
In the automobile database of the existing automobile related data, according to the automobile model of the target automobile in step 202, it can be queried which automobile power converters of the model corresponding to the automobile model are used, and then the model of the automobile power converter corresponding to the automobile model of the target automobile can be determined.
204. An activation signal corresponding to the model of the analog car power converter attempts to start the target car power converter of the target car.
After determining the model of the automobile power converter in step 203, the description and the operation instruction of the automobile power converter can be found in the automobile power converter database, and further the step can implement that the activation signal corresponding to the model of the analog automobile power converter tries to start the target automobile power converter of the target automobile so as to determine the real model identity of the target automobile power converter.
205. And if the target automobile power supply converter is successfully started, reading related information of the target automobile power supply converter, wherein the related information comprises a target model of the target automobile power supply converter.
It will be appreciated that if the activation signal in step 204 can start the target automobile power converter, the relevant information of the target automobile power converter can be read smoothly, and the actual target model of the target automobile power converter can be known.
206. Judging whether the model of the automobile power supply converter is consistent with the target model, and if the model of the automobile power supply converter is consistent with the target model, executing step 207; if the model of the power converter of the vehicle is not consistent with the target model, step 208 is performed.
Since it is possible for different models of automotive power converters to use the same activation signal, the activation signal may activate the target automotive power converter does not mean that the model of the automotive power converter determined in step 203 is correct. The step further determines whether the model of the automobile power supply converter determined in the step 203 is consistent with the real target model obtained in the step 205, and if the model of the automobile power supply converter is consistent with the target model, the model of the automobile power supply converter determined in the step 203 is correct; if the model of the automobile power converter is inconsistent with the target model, it indicates that the model of the automobile power converter determined in step 203 is wrong, and the activation signals of the automobile power converters of the two models are identical.
207. And judging that the model of the automobile power supply converter is correct.
208. And storing the association of the target model, the vehicle identification code of the target vehicle and the vehicle model of the target vehicle into a preset database.
When step 206 determines that the model of the automobile power converter is inconsistent with the target model, which indicates that the model of the automobile power converter determined in step 203 is wrong, the activation signals of the automobile power converters of the two models are identical, and this step needs to record the situation into a preset database, so as to enrich the data in the preset database. Specifically, the target model number, the vehicle identification code of the target vehicle and the vehicle model number of the target vehicle are stored in a preset database in an associated mode.
209. If the target automobile power converter is not successfully started, prompting to input the automobile identification code of the target automobile again.
It will be appreciated that if the activation signal in step 204 fails to activate the target automobile power converter, the model of the automobile power converter determined in step 203 is proved to be wrong, or the target automobile is replaced by the automobile power converter, and this step triggers the execution of step 201 to prompt for the reentry of the vehicle identification code of the target automobile.
It can be seen that, after the embodiment of fig. 2 is implemented, in step 207, it may be ensured that the target model of the target automobile power converter corresponding to the target automobile is accurate, and the new target model of the identified new target automobile power converter may be associated with the corresponding automobile model of the target automobile, so as to enrich the data of the preset database.
In addition, referring to fig. 3, after step 101 in the embodiment of fig. 1, before step 102, when the power converter is a DC-DC module for a new energy automobile, for example: the direct output voltage of the storage battery voltage of the new energy electric vehicle can reach 300 volts to 800 volts, even higher; the automobile power supply converter adapted to the storage battery needs to work in the face of such high voltage, corresponding working conditions need to be simulated for testing the automobile power supply converter during testing, and in order to ensure the safety of the testing process and avoid risks caused by high-voltage breakdown, the insulation performance of the hardware of the automobile power supply converter detection system needs to be detected, especially the insulation performance of the automobile power supply converter diagnostic tool box, before testing the automobile power supply converter, and the detection method of the automobile power supply converter module of the application can further comprise the following steps:
301. And starting a self-checking program to detect the insulation performance of the automobile power converter detection system.
It will be appreciated that the automotive power converter module detection system has a self-test program stored therein for checking itself prior to detecting the target automotive power converter. For example, the self-checking program detects whether the communication of the automobile power converter detecting system itself is unobstructed, whether the insulation performance is normal, and the like. The insulation performance of the automobile power converter detection system can be detected according to the working principle of a megohmmeter, for example, a preset voltage U 1 is input to a high-voltage component (an inverter, a transformer and the like in an automobile power converter diagnosis tool box) of the automobile power converter detection system, a current I 1 is detected, a resistance R 1 is obtained by dividing U 1 by I 1, and the insulation performance of the automobile power converter detection system is expressed by the resistance R 1.
302. Judging whether the insulation performance of the automobile power converter detection system meets the preset insulation performance standard, and if the insulation performance of the automobile power converter detection system meets the preset insulation performance standard, executing step 303; if the insulation performance of the detection system of the automobile power converter does not meet the preset insulation performance standard, step 304 is performed.
Comparing the insulation performance of the automobile power converter detection system detected in the step 301 with a preset insulation performance standard, and further judging whether the insulation performance of the automobile power converter detection system meets the preset insulation performance standard, wherein the preset insulation performance standard is different according to different voltage range requirements and can be set according to actual conditions in practical application, and the preset insulation performance standard is not limited; if the insulation performance of the automobile power supply converter detection system meets the preset insulation performance standard, the automobile power supply converter detection system can simulate and test the target automobile power supply converter; if the insulation performance of the automobile power supply converter detection system cannot meet the preset insulation performance standard, the automobile power supply converter detection system is indicated to be incapable of performing simulation test on the target automobile power supply converter, and danger exists.
303. Triggering and executing the step of simulating the working condition of the target automobile to generate a test signal of the target automobile power converter adapting to the target model.
Specifically, the trigger performs step 102 in FIG. 1.
304. A warning is issued.
Since step 302 determines that the insulation performance of the automotive power converter detection system cannot meet the preset insulation performance standard, which indicates that the automotive power converter detection system cannot perform the analog test on the target automotive power converter and is dangerous, this step gives a warning to remind the user that the analog test on the target automotive power converter cannot be performed, and adjusts the automotive power converter detection system to eliminate the risk.
In addition, referring to fig. 4, after step 102 in the embodiment of fig. 1, before step 103, it is further required to detect the internal resistance of the target automobile power converter to avoid that the target automobile power converter in a fault state such as a short circuit generates a large current to burn out the automobile power converter detection system when testing, and the method for detecting an automobile power converter of the present application may further include the following steps:
401. and determining that the target automobile power converter is in a closed state.
The internal resistance of the target automobile power converter in the off state is relatively comparative, and the step can send an off signal to the target automobile power converter, so that the target automobile power converter is under the control of the off signal and in the off state.
402. And sending an internal resistance detection signal to the target automobile power supply converter in the off state, and receiving an internal resistance feedback signal of the target automobile power supply converter in the off state.
Specifically, for example: the automobile power supply converter diagnosis tool box measures the resistance value of a high-voltage component of the target automobile power supply converter through a high-voltage input line; the automobile power supply converter diagnosis tool box measures the resistance value of a 12V load line interface conversion part of the target automobile power supply converter through a 12V load line; the diagnosis tool box of the automobile power supply converter measures the resistance value of a low-voltage line interface conversion part of the target automobile power supply converter through a low-voltage line; the resistance value can be obtained by applying a certain preset voltage U 2 to detect the current I 2 and dividing U 2 by I 2 to obtain a resistance value R 2.
403. Judging whether the internal resistance feedback signal meets the preset internal resistance standard or not, and if the internal resistance feedback signal meets the preset internal resistance standard, executing step 404; if the internal resistance feedback signal does not meet the preset internal resistance standard, step 405 is performed.
Comparing the internal resistance feedback signal received in the step 402 with a preset internal resistance standard, and further judging whether the internal resistance feedback signal meets the preset internal resistance standard, wherein the preset internal resistance standard has different standard range requirements for different functional areas, and can be set according to actual conditions in practical application, and the preset internal resistance standard is not limited; if the internal resistance feedback signal meets the preset internal resistance standard, the automobile power supply converter detection system can send a test signal to the target automobile power supply converter; if the internal resistance feedback signal cannot meet the preset internal resistance standard, the automobile power supply converter detection system cannot send a test signal to the target automobile power supply converter, and danger exists.
404. Triggering and executing the step of sending a test signal to the target automobile power converter.
Specifically, the trigger performs step 103 in fig. 1.
405. A warning is issued.
Since step 403 determines that the internal resistance feedback signal of the automotive power converter cannot meet the preset internal resistance standard, it indicates that the automotive power converter detection system cannot send a test signal to the target automotive power converter, and there is a hazard. Therefore, the step gives a warning to remind the user that the simulation test on the target automobile power supply converter cannot be performed, and maintenance adjustment should be performed on the target automobile power supply converter to eliminate risks.
In addition, referring to fig. 5, after step 104 in the embodiment of fig. 1, the method for detecting an automotive power converter according to the present application may further include the following steps:
501. and the electric energy stored by the high-voltage capacitor in the released target automobile power converter is enabled to reach a preset safety standard.
In the process of testing the target automobile power converter in step 103, the relevant internal functions of the target automobile power converter are tested through the high-voltage input interface of the target automobile power converter, the high-voltage capacitor in the target automobile power converter stores electric energy, in order to avoid injury to people during the process of releasing the electric energy from the high-voltage capacitor in the target automobile power converter, the step needs to release the electric energy of the high-voltage capacitor in the target automobile power converter after the detection result is formed in step 104, so that the electric energy stored in the high-voltage capacitor reaches the preset safety standard. The high-voltage release circuit can be arranged in an automobile power converter diagnosis tool box in an automobile power converter detection system, and the electric energy of the high-voltage capacitor is consumed by using a bleeder resistor in the high-voltage release circuit.
502. And executing clear codes on the target automobile power converter.
All operation records of the target automobile power supply converter, including fault records, are recorded in a log module of the target automobile power supply converter, and under the condition that the fault records exist in the log module, the target automobile power supply converter can be considered to be in a fault state at some time and cannot execute a normal working program.
503. And comparing and analyzing the detection result with a preset corresponding standard to form a detection report.
In this step, each performance parameter in the detection result in step 104 is compared with the corresponding standard to form a detection report (e.g. PDF version electronic report), and the detection report can be output to a specified mailbox for the user to review and make a decision.
Therefore, the automobile power supply converter detection method provided by the embodiment of the application can realize that when a user suspects that the automobile power supply converter has faults, the fault problem can be found only by one-step operation according to the prompt of the automobile power supply converter detection system, so that the fault problem can be solved in a targeted manner, the test of the automobile power supply converter is finally completed, and the threshold for detecting the automobile power supply converter is greatly reduced.
The foregoing embodiment describes a method for detecting an automotive power converter according to the present application, and the following describes an automotive power converter detection system according to the present application, please refer to fig. 6, which includes:
A determining unit 601, configured to determine a target model of a target vehicle power converter corresponding to a target vehicle according to a target vehicle identification code;
The simulation unit 602 is configured to simulate an operating condition of the target automobile to generate a test signal adapted to the target automobile power converter;
a transmitting unit 603, configured to transmit the test signal to the target automobile power converter so that the target automobile power converter generates a corresponding feedback signal;
And the receiving unit 604 is configured to receive and analyze the feedback signal to obtain a performance parameter readable by a user as a detection result of the target automobile power converter.
Optionally, when determining, according to the target vehicle identification code, the determining unit 601 is specifically configured to:
Determining a target model of the target automobile power converter in a preset database according to the target automobile identification code, wherein the preset database stores a plurality of automobile identification codes, a plurality of automobile power converter models and corresponding relations between the automobile identification codes and the automobile power converter models, the target model is one of the automobile power converter models, and the target automobile identification code is one of the automobile identification codes.
Optionally, the system further comprises:
a receiving unit 604, configured to receive a vehicle identification code input by a user to the target automobile;
A determining unit 601, configured to determine a vehicle model of the target vehicle according to a vehicle identification code of the target vehicle;
The determining unit 601 is further configured to determine a model of the corresponding automobile power converter according to the automobile model of the target automobile;
The simulation unit 602 is further configured to simulate that an activation signal corresponding to a model of the automobile power converter attempts to start the target automobile power converter of the target automobile;
A reading unit 605, configured to read, if the target automobile power converter is successfully started, related information of the target automobile power converter, where the related information includes the target model of the target automobile power converter;
a judging unit 606, configured to judge whether the model of the automobile power converter is consistent with the target model;
the determining unit 601 is further configured to determine that the model of the automobile power converter is correct if the model of the automobile power converter is consistent with the target model;
a storage unit 607, configured to store, if the model of the automobile power converter is inconsistent with the target model, the vehicle identification code of the target automobile, and the automobile model of the target automobile in association with the preset database;
a prompting unit 608, configured to prompt a re-input vehicle identifier of the target vehicle if the target vehicle power converter is not successfully started;
The triggering unit 610 is further configured to trigger the step of receiving a user input of a vehicle identification code of the target vehicle.
Optionally, the system further comprises:
A detection unit 609 for starting a self-checking program to detect the insulation performance of the automobile power converter detection system;
The judging unit 606 is further configured to judge whether the insulation performance of the automotive power converter detection system meets a preset insulation performance standard;
The triggering unit 610 is further configured to trigger and execute a step of simulating the working condition of the target automobile to generate a test signal of the target automobile power converter adapted to the target model if the insulation performance of the automobile power converter detection system meets a preset insulation performance standard;
and a warning unit 611, configured to issue a warning if the insulation performance of the automotive power converter detection system does not meet a preset insulation performance standard.
Optionally, the system further comprises:
a determining unit 601, configured to determine that the target automobile power converter is in a turned-off state;
A transmitting unit 603, configured to further transmit an internal resistance detection signal to the target automobile power converter in the off state, and receive an internal resistance feedback signal of the target automobile power converter in the off state;
A judging unit 606, configured to further judge whether the internal resistance feedback signal meets a preset internal resistance standard;
The triggering unit 610 is further configured to trigger to perform the step of sending the test signal to the target automobile power converter if the internal resistance feedback signal meets a preset internal resistance standard;
The warning unit 611 is further configured to issue a warning if the internal resistance feedback signal does not meet a preset internal resistance standard.
Optionally, the system further comprises:
and the pressure relief unit 612 is configured to release the electric energy stored in the high-voltage capacitor in the target automobile power converter, so that the electric energy stored in the high-voltage capacitor reaches a preset safety standard.
Optionally, the system further comprises:
And the clear code unit 613 is configured to perform clear code on the target automobile power converter.
Optionally, the system further comprises:
and a forming unit 614, configured to perform a comparison analysis on the detection result and a preset corresponding standard, so as to form a detection report.
The operation performed by the detection system of the automobile power converter according to the embodiment of the present application is similar to the operation performed in the foregoing fig. 1 to 5, and will not be described here again.
Therefore, the automobile power supply converter is only required to be detached from the automobile at one time, the inspection and maintenance verification of the automobile power supply converter can be completed through the automobile power supply converter detection system by using the automobile power supply converter detection method of the embodiment of the application until the automobile power supply converter passes the inspection, and then the automobile power supply converter is reinstalled on the automobile, so that the processes of detaching, inspecting and maintaining the automobile power supply converter, assembling and verifying and continuously and circularly disassembling the automobile power supply converter in the prior art are avoided, and the maintenance work efficiency of the automobile power supply converter is greatly improved.
Referring to fig. 8, an embodiment of a computer device according to an embodiment of the present application includes:
The computer device 800 may include one or more processors (central processing units, CPU) 801 and memory 802, where the memory 802 stores one or more applications or data. Wherein the memory 802 is volatile storage or persistent storage. The program stored in the memory 802 may include one or more modules, each of which may include a series of instruction operations in a computer device. Still further, the processor 801 may be configured to communicate with the memory 802 and execute a series of instruction operations in the memory 802 on the computer device 800. The computer device 800 may also include one or more wireless network interfaces 803, one or more input output interfaces 804, and/or one or more operating systems, such as Windows Server, mac OS, unix, linux, freeBSD, etc. The processor 801 may perform the operations performed in the embodiments shown in fig. 1 to 5, and detailed descriptions thereof are omitted herein.
In the several embodiments provided in the embodiments of the present application, it should be understood by those skilled in the art that the disclosed systems, apparatuses and methods may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the units is merely a logical function division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units. The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods of the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a random-access memory (RAM, random access memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the application.
Claims (9)
1. A method for detecting an automotive power converter, comprising:
determining a target model of a target automobile power converter corresponding to the target automobile according to the target automobile identification code;
Simulating the working condition of the target automobile to generate a test signal which is matched with the power supply converter of the target automobile, wherein the test signal is used for simulating the working condition of the target automobile to generate a control signal which is matched with the power supply converter of the target model, so that the power supply converter of the target automobile is prevented from being repeatedly dismounted from the target automobile;
transmitting the test signal to the target automobile power supply converter to enable the target automobile power supply converter to generate a corresponding feedback signal;
Receiving and analyzing the feedback signal to obtain a user-readable performance parameter as a detection result of the target automobile power converter;
The target automobile is a new energy electric automobile, after determining a target model of a target automobile power converter corresponding to the target automobile according to a target automobile identification code, and before simulating working conditions of the target automobile to generate a test signal adapting to the target automobile power converter, the method further comprises:
starting a self-checking program to detect the insulation performance of the automobile power converter detection system;
judging whether the insulation performance of the automobile power converter detection system meets a preset insulation performance standard or not;
If the insulation performance of the automobile power supply converter detection system meets a preset insulation performance standard, triggering and executing the step of simulating the working condition of the target automobile to generate a test signal of the target automobile power supply converter adapting to the target model;
and if the insulation performance of the automobile power supply converter detection system does not meet the preset insulation performance standard, a warning is sent out to remind that the simulation test of the target automobile power supply converter cannot be performed.
2. The method for detecting an automotive power converter according to claim 1, wherein the determining the target model of the automotive power converter corresponding to the target automobile according to the target vehicle identification code includes:
Determining a target model of the target automobile power converter in a preset database according to the target automobile identification code, wherein the preset database stores a plurality of automobile identification codes, a plurality of automobile power converter models and corresponding relations between the automobile identification codes and the automobile power converter models, the target model is one of the automobile power converter models, and the target automobile identification code is one of the automobile identification codes.
3. The method for detecting an automotive power converter according to claim 2, characterized in that the method further comprises:
Receiving a vehicle identification code input by a user to the target automobile;
Determining the automobile model of the target automobile according to the automobile identification code of the target automobile;
determining the model of the corresponding automobile power supply converter according to the automobile model of the target automobile;
Simulating an activation signal corresponding to the model of the automobile power converter to attempt to start the target automobile power converter of the target automobile;
if the target automobile power supply converter is successfully started, reading related information of the target automobile power supply converter, wherein the related information comprises the target model of the target automobile power supply converter;
judging whether the model of the automobile power supply converter is consistent with the target model;
If the model of the automobile power supply converter is consistent with the target model, judging that the model of the automobile power supply converter is correct;
If the model of the automobile power supply converter is inconsistent with the target model, storing the target model, the automobile identification code of the target automobile and the automobile model of the target automobile in the preset database in an associated mode;
And if the target automobile power converter is not successfully started, prompting the reentered vehicle identification code of the target automobile, and triggering and executing the step of receiving the vehicle identification code of the target automobile input by a user.
4. The method for detecting an automotive power converter according to claim 1, characterized in that the method further comprises:
determining that the target automobile power converter is in a closed state;
sending an internal resistance detection signal to the target automobile power supply converter in the off state, and receiving an internal resistance feedback signal of the target automobile power supply converter in the off state;
Judging whether the internal resistance feedback signal meets a preset internal resistance standard or not;
if the internal resistance feedback signal meets a preset internal resistance standard, triggering and executing the step of sending the test signal to the target automobile power converter;
And if the internal resistance feedback signal does not meet the preset internal resistance standard, a warning is sent out.
5. The method for detecting an automotive power converter according to claim 1, characterized in that the method further comprises:
And discharging the electric energy stored by the high-voltage capacitor in the target automobile power converter, so that the electric energy stored by the high-voltage capacitor reaches a preset safety standard.
6. The method for detecting an automotive power converter according to claim 5, characterized in that the method further comprises:
and executing clear codes on the target automobile power converter.
7. The method for detecting an automotive power converter according to claim 1, characterized in that the method further comprises:
And comparing and analyzing the detection result with a preset corresponding standard to form a detection report.
8. An automotive power converter detection system, comprising:
The determining unit is used for determining the target model of the target automobile power converter corresponding to the target automobile according to the target automobile identification code;
The simulation unit is used for simulating the working condition of the target automobile to generate a test signal which is matched with the target automobile power supply converter, and the test signal is used for simulating the working condition of the target automobile to generate a control signal which is matched with the automobile power supply converter of the target model so as to avoid the repeated disassembly and assembly of the target automobile power supply converter from the target automobile;
the transmitting unit is used for transmitting the test signal to the target automobile power supply converter so that the target automobile power supply converter generates a corresponding feedback signal;
The receiving unit is used for receiving and analyzing the feedback signal to obtain a performance parameter readable by a user as a detection result of the target automobile power converter;
The target automobile is a new energy electric automobile, and the system further comprises:
the detection unit is used for starting a self-checking program to detect the insulation performance of the automobile power converter detection system;
The judging unit is also used for judging whether the insulation performance of the automobile power converter detecting system meets the preset insulation performance standard;
The triggering unit is used for triggering the execution simulation unit to execute the step of simulating the working condition of the target automobile to generate a test signal of the target automobile power converter which is matched with the target model if the insulation performance of the automobile power converter detection system meets the preset insulation performance standard;
And the warning unit is used for sending out a warning to remind that the simulation test of the target automobile power supply converter cannot be carried out if the insulation performance of the automobile power supply converter detection system does not meet the preset insulation performance standard.
9. A computer device, comprising:
a processor, a memory, a bus, an input-output interface, and a wireless network interface;
the processor is connected with the memory, the input/output interface and the wireless network interface through buses;
The memory has a computer readable program stored therein;
the processor, when executing the computer-readable program stored in the memory, implements the automobile power converter detection method according to any one of claims 1 to 7.
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