CN112748332B - High-voltage battery precharge contactor test method, system, device and storage medium - Google Patents
High-voltage battery precharge contactor test method, system, device and storage medium Download PDFInfo
- Publication number
- CN112748332B CN112748332B CN202011557574.0A CN202011557574A CN112748332B CN 112748332 B CN112748332 B CN 112748332B CN 202011557574 A CN202011557574 A CN 202011557574A CN 112748332 B CN112748332 B CN 112748332B
- Authority
- CN
- China
- Prior art keywords
- information
- contactor
- attribute
- automobile ecu
- setting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010998 test method Methods 0.000 title claims description 12
- 238000012360 testing method Methods 0.000 claims abstract description 63
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000006870 function Effects 0.000 claims description 83
- 230000004044 response Effects 0.000 claims description 27
- 230000009191 jumping Effects 0.000 claims description 26
- 238000004590 computer program Methods 0.000 claims description 11
- 238000012790 confirmation Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000003745 diagnosis Methods 0.000 abstract description 4
- 238000012827 research and development Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- 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
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention relates to the research and development field of new energy automobile diagnostic equipment, and provides a method, a system, equipment and a storage medium for testing a high-voltage battery precharge contactor, wherein the method comprises the following steps: and receiving the operation of opening/closing the contactor by a user, sending a controller request instruction to the automobile ECU by the test module, continuously sending an instruction of opening/closing the precharge contactor to the automobile ECU after the automobile ECU responds, and returning control to the automobile ECU after the precharge contactor is successfully opened/closed. According to the scheme, the state test can be carried out on the vehicle-mounted high-voltage battery pre-charging contactor, the control performance of the pre-charging contactor is judged, the occurrence of faults in the pre-charging process is avoided, and the development of maintenance diagnosis of the electric automobile is met.
Description
Technical Field
The invention relates to the field of research and development of new energy automobile diagnostic equipment, in particular to a method, a system, equipment and a storage medium for testing a high-voltage battery precharge contactor.
Background
The electric automobile is in the in-process of high pressure electricity, mainly includes four main processes of electricity self-checking, high voltage interlocking detection, insulation detection, high voltage electricity pre-charge. The high-voltage pre-charging process is long in time, an electric arc generated in the pre-charging process is difficult to extinguish, and strict monitoring is often required for the high-voltage battery pre-charging process.
The switching device which plays a main control role in the pre-charging process of the vehicle-mounted high-voltage battery is a pre-charging contactor, and can effectively protect the capacitor and the safety and the direct-current contactor; the direct power-on moment is prevented, the charging current can be too large, the capacitor can be damaged due to the fact that the moment current is too large, and switching devices such as a direct current contactor can be damaged. In general, when using contactors as safety switches, various fault problems are encountered during actual debugging and pilot testing, which are directly or indirectly reflected by the precharge contactors. The test method is designed to detect the state of the vehicle-mounted high-voltage battery pre-charging contactor, judge the control performance of the pre-charging contactor, avoid the occurrence of faults in the pre-charging process, and meet the development of maintenance diagnosis of the electric automobile, thus being a technical problem which needs to be solved urgently.
Disclosure of Invention
The invention aims to provide a method, a system, equipment and a storage medium for testing a high-voltage battery pre-charging contactor, which aim to detect the state of a vehicle-mounted high-voltage television pre-charging contactor, judge the control performance of the pre-charging contactor, avoid the occurrence of faults in the pre-charging process and meet the development of maintenance diagnosis of an electric automobile.
According to a first aspect of the present invention, there is provided a high voltage battery precharge contactor test method comprising:
the user performs the operation of opening/closing the contactor and sends a controller test request instruction to the automobile ECU;
judging whether byte information of the fixed position X00 extracted from the data information returned by the automobile ECU is identical with the specified information;
If yes, jumping to the next node, prompting negative response information, and ending;
if not, a controller opening/closing instruction is sent to the automobile ECU;
judging whether byte information of the fixed position X00 extracted from the data information returned by the automobile ECU is identical with the specified information;
If yes, jumping to the next node, prompting negative response information, and ending;
if not, setting waiting information and prompting the pre-charging contactor to be opened/closed;
Sending a contactor control return instruction to an automobile ECU;
judging whether byte information of the fixed position X00 extracted from the data information returned by the automobile ECU is identical with the specified information;
If yes, jumping to the next node, prompting negative response information, and ending;
if not, a contactor control return instruction is sent to the automobile ECU;
judging whether byte information of the fixed position X00 extracted from the data information returned by the automobile ECU is identical with the specified information;
If yes, jumping to the next node, prompting negative response information, and ending;
If not, setting waiting information and prompting the precharge contactor to control the returned information.
Further, prompt information and operation buttons for the user to explicitly test the service content are set before the test starts, including a confirm button for confirming the test service content and a return button for exiting the test.
Further, an open contactor button and a close contactor button are set using an attribute of a special function type= "00" for providing a user with an operation of opening/closing a contactor.
Further, the method further comprises the steps of, between the step of setting waiting information and prompting the opening/closing of the precharge contactor and the step of transmitting a contactor control return instruction to the automobile ECU, if not, of:
judging whether an instruction for confirming the prompt information of opening/closing the precharge contactor by a user is received within a preset time;
If yes, entering the next step; otherwise, automatically entering the next step after the preset time is over.
Further, program control is performed by using the TYPE attribute of the special function.
According to a second aspect of the present invention, there is provided a high voltage battery pre-charge contactor test system comprising:
The test information prompt module is used for setting prompt information and an operation button so that a user can clearly test the content of the service;
the pre-charging contactor working state testing module is used for testing the opening/closing of the pre-charging contactor through the automobile ECU;
and the precharge contactor is returned to the automobile ECU module for completing the test of the working state of the precharge contactor and returning to the automobile ECU.
According to a third aspect of the present invention there is provided a computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, which computer program, when executed by the processor, implements the method of the embodiment in the first aspect.
According to a fourth aspect of the present invention, there is provided a computer readable storage medium, characterized in that at least one instruction, at least one program, code set or instruction set is stored in the storage medium, the at least one instruction, at least one program, code set or instruction set being loaded and executed by a processor to implement the method of the embodiment in the first aspect.
The invention provides a high-voltage battery pre-charge contactor test method, a system, equipment and a storage medium, based on fault diagnostic equipment, a user can directly test the high-voltage battery pre-charge contactor by using the diagnostic equipment, diagnostic software is convenient to operate, the requirement on maintenance personnel is low, complex training on the maintenance personnel is not needed, the diagnostic efficiency is improved, the vehicle repairing period is shortened, and the vehicle repairing cost is reduced. The invention adopts a modularized design, subdivides the diagnosis system into three modules according to the functions to be realized, has strong expandability of the functions, reduces the research and development cost, shortens the research and development period and has strong software applicability.
Drawings
Fig. 1 is a flowchart of an implementation of a method for testing a high-voltage battery precharge contactor according to an embodiment of the present invention.
Detailed Description
The present invention 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 invention 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 invention.
The following describes in detail the implementation of the present invention in connection with specific embodiments:
Examples:
Fig. 1 shows a flow of implementation of the method for testing a high-voltage battery pre-charge contactor according to the embodiment of the present invention, and for convenience of explanation, only the parts related to the embodiment of the present invention are shown, which is described in detail below:
Setting a prompt message "this function will allow the user to exercise the high voltage battery pre-charge contactor, please ensure that the BPCM service is disconnected before running this function, the user should be able to hear the contactor off;
and setting a confirmation button and a return button, receiving the operation of a user, starting the test if the user selects confirmation, and exiting the test if the user selects return.
Further, setting prompt information and confirming and returning operation buttons are realized through special function functions, and the TYPE= "00" attribute setting prompt information and confirming buttons are called, and the TYPE= "FF" attribute setting return buttons are called.
Setting an opening contactor button and a closing contactor button;
further, the operation selection of a user on the opening contactor and the closing contactor is realized by setting an opening precharge contactor button and a closing precharge contactor button, and the TYPE= "00" attribute setting operation button is called through a special function;
Receiving a contactor opening/closing button operation by a user;
Entering a contactor test interface, running a special function, and firstly setting test waiting information' please wait.+ -. "by means of a function TYPE=02 attribute; secondly, setting waiting delay time by means of the attribute of the function TYPE=11, sending contactor test request instructions 2e, a0,04 and 00, extracting X00 byte information of a data information fixed position returned by the automobile ECU by means of the attribute of the function TYPE=03, judging whether the X00 byte information is 7f, if yes, jumping to a designated node, running a special function, setting prompt negative response information by means of the attribute of the function TYPE=00, and ending; otherwise, the next step is carried out.
If the user selects to open the contactor, the steps are as follows:
setting waiting delay time by means of the function TYPE=11 attribute, sending contactor opening instructions 2f, d0,01,03,12 and 00, extracting X00 byte information of a data information fixed position returned by the automobile ECU by means of the function TYPE=03 attribute, judging whether the X00 byte information is 7f, if yes, jumping to a designated node, running a special function, setting prompt negative response information by means of the function TYPE=00 attribute, and ending; otherwise, setting waiting information by means of the attribute of the function type=21, and setting prompt information and a confirmation button by means of the attribute of the function type=00, wherein the prompt information is 'successful', the precharge contactor is opened, and the control is continuously returned to the automobile ECU. "
If the user selects to close the contactor, the steps are as follows:
Setting waiting delay time by means of the function TYPE=11 attribute, sending contactor closing instructions 2f, d0,01,03,02,00, extracting X00 byte information of a data information fixed position returned by the automobile ECU by means of the function TYPE=03 attribute, judging whether the X00 byte information is 7f, if yes, jumping to a designated node, running a special function, setting prompt negative response information by means of the function TYPE=00 attribute, and ending; otherwise, setting waiting information by means of the attribute of the function type=21, and setting prompt information and a confirmation button by means of the attribute of the function type=00, wherein the prompt information is 'successful', the precharge contactor is closed, and the control is continuously returned to the automobile ECU. "
The user operates the confirm button within the preset time to enter the next step.
Another possibility is that the user does not operate the confirm button for a preset time, and after the preset time is over, the next step is entered.
Entering a contactor control return interface, running a special function, and firstly setting test waiting information' please wait.+ -. "by means of a function type=02 attribute; secondly, setting waiting delay time by means of the attribute of the function TYPE=11 and sending contactor control return instructions 2f, d0,01,00; extracting X00 byte information of a fixed position of the data information returned by the automobile ECU by means of the attribute of the function TYPE=03, judging whether the X00 byte information is 7f, if so, jumping to a designated node, running a special function, setting prompt negative response information by means of the attribute of the function TYPE=00, and ending; otherwise, setting waiting delay time by means of the function TYPE=11 attribute and sending contactor control return confirmation instructions 2e, a0,04 and 01, extracting X00 byte information of a data information fixed position returned by the automobile ECU by means of the function TYPE=03 attribute, judging whether the X00 byte information is 7f, if yes, jumping to a designated node, running a special function, setting prompt negative response information by means of the function TYPE=00 attribute, and ending; otherwise the hint "precharge contactor control has returned" is set by means of the function type=00 attribute.
The invention provides a high-voltage battery pre-charge contactor test system, comprising:
The test information prompt module is used for setting prompt information and an operation button so that a user can clearly test the content of the service;
further, the content of the hint information includes an object of the test service.
Further, the operation buttons include a confirm button and a return button, wherein the user selects the confirm button to start the test of the working state of the precharge contactor, and the user selects the return button to exit the test.
The pre-charging contactor working state testing module is used for testing the opening/closing of the pre-charging contactor through the automobile ECU;
further, the operation buttons for setting the opening contactor and the closing contactor are realized through special function functions, and the TYPE= "00" attribute setting operation button is called;
further, the specific steps of the operating state test of the opening/closing of the precharge contactor are as follows:
Step 1, a controller request instruction is sent to an automobile ECU, whether byte information of a fixed position X00 extracted from data information returned by the automobile ECU is identical to specified information or not is judged, if yes, the next node is jumped to prompt negative response information, then the next step is ended, and if not, the next step is carried out;
And 2, sending a controller opening/closing instruction to the automobile ECU, judging whether byte information of a fixed position X00 extracted from the data information returned by the automobile ECU is identical with the specified information, if so, jumping to the next node to prompt negative response information, and ending, otherwise, setting waiting information and prompting opening/closing of the precharge contactor.
Further, the operating state test of the opening/closing of the precharge contactor is programmed by using the TYPE attribute of the special function, as follows:
The user selects to open the precharge contactor, enters a contactor test interface, runs a special function, and firstly sets test waiting information of 'please wait.+ -.)' by means of a function type=02 attribute; secondly, setting waiting delay time by means of the attribute of the function TYPE=11, sending contactor test request instructions 2e, a0,04 and 00, extracting X00 byte information of a data information fixed position returned by the automobile ECU by means of the attribute of the function TYPE=03, judging whether the X00 byte information is 7f, if yes, jumping to a designated node, running a special function, setting prompt negative response information by means of the attribute of the function TYPE=00, and ending; otherwise, setting waiting delay time by means of the function TYPE=11 attribute, sending contactor opening instructions 2f, d0,01,03,12 and 00, extracting X00 byte information of a data information fixed position returned by the automobile ECU by means of the function TYPE=03 attribute, judging whether the X00 byte information is 7f, if yes, jumping to a designated node, running a special function, setting prompt negative response information by means of the function TYPE=00 attribute, and ending; otherwise, setting waiting information by means of the attribute of the function type=21, and setting prompt information and a confirmation button by means of the attribute of the function type=00, wherein the prompt information is 'successful', the precharge contactor is opened, and the control is continuously returned to the automobile ECU. "
The user selects to close the precharge contactor, enter a contactor test interface, run a special function, and firstly set test waiting information' please wait.+ -. "by means of a function type=02 attribute; secondly, setting waiting delay time by means of the attribute of the function TYPE=11, sending contactor test request instructions 2e, a0,04 and 00, extracting X00 byte information of a data information fixed position returned by the automobile ECU by means of the attribute of the function TYPE=03, judging whether the X00 byte information is 7f, if yes, jumping to a designated node, running a special function, setting prompt negative response information by means of the attribute of the function TYPE=00, and ending; otherwise, setting waiting delay time by means of the function TYPE=11 attribute, sending contactor closing instructions 2f, d0,01,03,02,00, extracting X00 byte information of a data information fixed position returned by the automobile ECU by means of the function TYPE=03 attribute, judging whether the X00 byte information is 7f, if yes, jumping to a designated node, running a special function, setting prompt negative response information by means of the function TYPE=00 attribute, and ending; otherwise, setting waiting information by means of the attribute of the function type=21 and setting prompt information and a confirmation button by means of the attribute of the function type=00, wherein the prompt information is ' successful ', the precharge contactor is closed, and the control is continuously returned to the automobile ECU '.
Further, when the operating state test of the precharge contactor on/off is ended, an operation button for the user to confirm the completion is set.
And the precharge contactor is returned to the automobile ECU module for completing the test of the working state of the precharge contactor and returning to the automobile ECU.
Further, the specific steps of the precharge contactor return control to the vehicle ECU module are:
Sending a contactor control return instruction to an automobile ECU;
judging whether byte information of the fixed position X00 extracted from the data information returned by the automobile ECU is identical with the specified information;
If yes, jumping to the next node, prompting negative response information, and ending;
if not, a contactor control return instruction is sent to the automobile ECU;
judging whether byte information of the fixed position X00 extracted from the data information returned by the automobile ECU is identical with the specified information;
If yes, jumping to the next node, prompting negative response information, and ending;
If not, setting waiting information and prompting the precharge contactor to control the returned information.
Further, the precharge contactor return control to the vehicle ECU is programmed by using the TYPE attribute of the special function, specifically as follows:
Entering a contactor control return interface, running a special function, and firstly setting test waiting information' please wait.+ -. "by means of a function type=02 attribute; secondly, setting waiting delay time by means of the attribute of the function TYPE=11 and sending contactor control return instructions 2f, d0,01,00; extracting X00 byte information of a fixed position of the data information returned by the automobile ECU by means of the attribute of the function TYPE=03, judging whether the X00 byte information is 7f, if so, jumping to a designated node, running a special function, setting prompt negative response information by means of the attribute of the function TYPE=00, and ending; otherwise, setting waiting delay time by means of the function TYPE=11 attribute and sending contactor control return confirmation instructions 2e, a0,04 and 01, extracting X00 byte information of a data information fixed position returned by the automobile ECU by means of the function TYPE=03 attribute, judging whether the X00 byte information is 7f, if yes, jumping to a designated node, running a special function, setting prompt negative response information by means of the function TYPE=00 attribute, and ending; otherwise the hint "precharge contactor control has returned" is set by means of the function type=00 attribute.
In an embodiment of the present invention, a computer device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor, which when executed by the processor, implements the steps of the high voltage battery precharge contactor test method embodiment described above, for example, the steps shown in fig. 1. Or the computer program when executed by the processor performs the functions of the various modules in the high voltage battery pre-charge contactor test system described above.
In an embodiment of the present invention, a computer readable storage medium is provided, which stores a computer program which, when executed by a processor, implements the steps of the high voltage battery precharge contactor test method embodiment described above, for example, the steps shown in fig. 1. Or the computer program when executed by the processor performs the functions of the various modules in the high voltage battery pre-charge contactor test system described above.
The computer readable storage medium of embodiments of the present invention may include any entity or device capable of carrying computer program code, recording medium, such as ROM/RAM, magnetic disk, optical disk, flash memory, and so on.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. A method for testing a high voltage battery precharge contactor, the method comprising the steps of:
the user performs the operation of opening/closing the contactor and sends a controller test request instruction to the automobile ECU;
judging whether byte information of the fixed position X00 extracted from the data information returned by the automobile ECU is identical with the specified information;
If yes, jumping to the next node, prompting negative response information, and ending;
if not, a controller opening/closing instruction is sent to the automobile ECU;
judging whether byte information of the fixed position X00 extracted from the data information returned by the automobile ECU is identical with the specified information;
If yes, jumping to the next node, prompting negative response information, and ending;
if not, setting waiting information and prompting the pre-charging contactor to be opened/closed;
Sending a contactor control return instruction to an automobile ECU;
judging whether byte information of the fixed position X00 extracted from the data information returned by the automobile ECU is identical with the specified information;
If yes, jumping to the next node, prompting negative response information, and ending;
if not, a contactor control return instruction is sent to the automobile ECU;
judging whether byte information of the fixed position X00 extracted from the data information returned by the automobile ECU is identical with the specified information;
If yes, jumping to the next node, prompting negative response information, and ending;
if not, setting waiting information and prompting the precharge contactor to control returned information;
The test method uses the TYPE attribute of the special function to carry out program control, and comprises the following steps:
Invoking a TYPE= "FF" attribute, and setting a return button; calling TYPE= "02" attribute, and setting waiting prompt information;
Calling a TYPE= "11" attribute, sending a controller request instruction to an automobile ECU, and setting delay time;
Calling TYPE= "03" attribute, extracting byte information of a fixed position X00 from data information returned by the automobile ECU, and comparing the byte information with the X00: if 7f, jumping to the appointed node, prompting negative response information, ending, otherwise, entering the next step;
with the type= "11" attribute, a controller open/close instruction is sent to the automobile ECU, and a delay time is set; calling TYPE= "03" attribute, extracting byte information of a fixed position X00 from data information returned by the automobile ECU, and comparing the byte information with the X00: if 7f, jumping to the appointed node, prompting negative response information, ending, otherwise, entering the next step;
calling TYPE= "21" attribute, and setting waiting prompt information;
Invoking a TYPE= "00" attribute, prompting success information of opening/closing of the precharge contactor, and setting a confirmation button;
Invoking a TYPE= "FF" attribute, and setting a return button; calling TYPE= "02" attribute, and setting waiting prompt information;
calling a TYPE= "11" attribute, sending a contactor control return instruction to an automobile ECU, and setting delay time; calling TYPE= "03" attribute, extracting byte information of a fixed position X00 from data information returned by the automobile ECU, and comparing the byte information with the X00: if 7f, jumping to the appointed node, prompting negative response information, ending, otherwise, entering the next step;
Calling a TYPE= "11" attribute, sending a contactor control return instruction to the automobile ECU again, and setting delay time; calling TYPE= "03" attribute, extracting byte information of a fixed position X00 from data information returned by the automobile ECU, and comparing the byte information with the X00: if 7f, jumping to the appointed node, prompting negative response information, ending, otherwise, entering the next step;
the type= "00" attribute is invoked, prompting that precharge contactor control has returned information.
2. The method for testing a high-voltage battery pre-charge contactor according to claim 1, further comprising setting prompt information for a user to explicitly test service contents and operation buttons including a confirm button for confirming the test service contents and a return button for exiting the test before the test starts.
3. The high-voltage battery precharge contactor test method according to claim 2, wherein said setting prompt information and operation buttons are implemented by special function functions, calling type= "00" attribute to set said prompt information and said confirm button, and calling type= "FF" attribute to set said return button.
4. The high voltage battery precharge contactor testing method according to claim 1, wherein said user performs an operation of opening/closing a contactor, comprising: the user presses the operation of opening the contactor button or closing the contactor button.
5. The high voltage battery precharge contactor test method according to claim 4, wherein said open contactor button and said close contactor button are set by calling a type= "00" attribute in a special function.
6. The method for testing a pre-charge contactor for a high voltage battery according to claim 1, wherein between the step of setting a waiting message and prompting the pre-charge contactor to be opened/closed and the step of transmitting a contactor control return instruction to the ECU of the automobile, further comprising the steps of:
judging whether an instruction for confirming the prompt information of opening/closing the precharge contactor by a user is received within a preset time;
If yes, entering the next step; otherwise, automatically entering the next step after the preset time is over.
7. A high voltage battery precharge contactor test system employing the high voltage battery precharge contactor test method of any of claims 1-6, comprising:
The test information prompt module is used for setting prompt information and an operation button so that a user can clearly test the content of the service;
the pre-charging contactor working state testing module is used for testing the opening/closing of the pre-charging contactor through the automobile ECU;
and the precharge contactor is returned to the automobile ECU module for completing the test of the working state of the precharge contactor and returning to the automobile ECU.
8. A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor implements the high voltage battery precharge contactor test method of any of claims 1 to 6 when the computer program is executed.
9. A computer readable storage medium storing a computer program, characterized in that the computer program, when executed by a processor, implements the high voltage battery pre-charge contactor testing method according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011557574.0A CN112748332B (en) | 2020-12-25 | 2020-12-25 | High-voltage battery precharge contactor test method, system, device and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011557574.0A CN112748332B (en) | 2020-12-25 | 2020-12-25 | High-voltage battery precharge contactor test method, system, device and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112748332A CN112748332A (en) | 2021-05-04 |
| CN112748332B true CN112748332B (en) | 2024-06-07 |
Family
ID=75647591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011557574.0A Active CN112748332B (en) | 2020-12-25 | 2020-12-25 | High-voltage battery precharge contactor test method, system, device and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112748332B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568863A (en) * | 2013-11-15 | 2014-02-12 | 合肥国轩高科动力能源股份公司 | Real-time monitoring diagnostic system and diagnostic method for electromobile battery management system |
| CN106564391A (en) * | 2015-10-13 | 2017-04-19 | 北汽福田汽车股份有限公司 | High-voltage power battery contactor detection method and device, battery management system and automobile |
| CN107825962A (en) * | 2017-10-31 | 2018-03-23 | 北京新能源汽车股份有限公司 | Electric automobile control method and system and electric automobile |
| CN108608865A (en) * | 2016-12-09 | 2018-10-02 | 上海大郡动力控制技术有限公司 | The method that vehicle control unit of electric vehicle controls high pressure power-on and power-off |
| DE102019100570A1 (en) * | 2018-01-12 | 2019-07-18 | Ford Global Technologies, Llc | DETECTION OF WELDING OF A FAST LOADING SYSTEM |
| CN110254234A (en) * | 2019-05-27 | 2019-09-20 | 深圳熙斯特新能源技术有限公司 | A kind of controller main contactor adhesion detection method based on preliminary filling circuit |
| CN111624981A (en) * | 2020-05-27 | 2020-09-04 | 安徽省爱夫卡电子科技有限公司 | Steering wheel angle calibration system and calibration method of automobile power-assisted steering system |
| KR20200109129A (en) * | 2019-03-12 | 2020-09-22 | 엘에스일렉트릭(주) | Apparatus And Method For Detecting Fault Of Pre-Charging Relay Of Inverter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10377247B2 (en) * | 2015-07-27 | 2019-08-13 | Ford Global Technologies, Llc | High voltage battery contactor arrangement for DC fast charging |
| US10017071B2 (en) * | 2016-10-13 | 2018-07-10 | GM Global Technology Operations LLC | Method and system for diagnosing contactor health in a high-voltage electrical system |
| US11130420B2 (en) * | 2019-04-05 | 2021-09-28 | Ford Global Technologies, Llc | System and method for charge contactor weld check |
-
2020
- 2020-12-25 CN CN202011557574.0A patent/CN112748332B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568863A (en) * | 2013-11-15 | 2014-02-12 | 合肥国轩高科动力能源股份公司 | Real-time monitoring diagnostic system and diagnostic method for electromobile battery management system |
| CN106564391A (en) * | 2015-10-13 | 2017-04-19 | 北汽福田汽车股份有限公司 | High-voltage power battery contactor detection method and device, battery management system and automobile |
| CN108608865A (en) * | 2016-12-09 | 2018-10-02 | 上海大郡动力控制技术有限公司 | The method that vehicle control unit of electric vehicle controls high pressure power-on and power-off |
| CN107825962A (en) * | 2017-10-31 | 2018-03-23 | 北京新能源汽车股份有限公司 | Electric automobile control method and system and electric automobile |
| DE102019100570A1 (en) * | 2018-01-12 | 2019-07-18 | Ford Global Technologies, Llc | DETECTION OF WELDING OF A FAST LOADING SYSTEM |
| KR20200109129A (en) * | 2019-03-12 | 2020-09-22 | 엘에스일렉트릭(주) | Apparatus And Method For Detecting Fault Of Pre-Charging Relay Of Inverter |
| CN110254234A (en) * | 2019-05-27 | 2019-09-20 | 深圳熙斯特新能源技术有限公司 | A kind of controller main contactor adhesion detection method based on preliminary filling circuit |
| CN111624981A (en) * | 2020-05-27 | 2020-09-04 | 安徽省爱夫卡电子科技有限公司 | Steering wheel angle calibration system and calibration method of automobile power-assisted steering system |
Non-Patent Citations (2)
| Title |
|---|
| A Method to Diagnose Failures in High Voltage Contactors and Fuse for Safe Operation of Battery Pack;Chiranjeevi Gera;2019 IEEE Transportation Electrification Conference (ITEC-India);20191231;第1-4页 * |
| 电动汽车高压电预充智能管理探索;龙成冰 等;2016中国汽车工程学会年会暨展览会;20161026;第1-10页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112748332A (en) | 2021-05-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107662500B (en) | Pure electric vehicle power-on control method and pure electric vehicle | |
| CN107662501B (en) | Pure electric vehicle power-off control method and pure electric vehicle | |
| CN106379188A (en) | Energy management system for power battery of electric automobile and safety protection method | |
| US10814737B2 (en) | Off-board charger for high-voltage battery charging | |
| CN107482741B (en) | Charge control method and system | |
| CN111952641B (en) | Fuel cell automobile purging control method and fuel cell controller | |
| US20220239127A1 (en) | Method for pre-charging power conversion device and power conversion device | |
| CN108528242A (en) | Mesolow power-on and power-off control method, device and electronic equipment | |
| KR20170052095A (en) | Battery control system and method for detecting fusion of relay | |
| CN112428841A (en) | Vehicle-mounted charging system and method | |
| CN112748332B (en) | High-voltage battery precharge contactor test method, system, device and storage medium | |
| CN113884871A (en) | Relay state detection method, device, equipment and storage medium | |
| CN115152118B (en) | Method for pre-charging a power conversion device and power conversion device | |
| CN117744374A (en) | ChaoJi charging simulation test system and method | |
| CN112895903A (en) | High-voltage cut-off control system and high-voltage cut-off control method for electric automobile | |
| CN112636410A (en) | Charging method, mobile robot and charging pile | |
| CN115675087B (en) | New energy commercial vehicle power-on assembly electric control method, device, equipment and storage medium | |
| EP4368439A1 (en) | Power battery relay control method, apparatus and new energy automobile | |
| CN112783140B (en) | System initialization method and device and vehicle | |
| CN113829954A (en) | Charging and discharging control device and method for power battery and charging and discharging equipment | |
| CN108827651B (en) | Automobile power-on detection method and device | |
| CN114851909B (en) | Control method and device for electric automobile and computer readable storage medium | |
| CN220682193U (en) | Power battery system and new energy forklift | |
| CN118082508A (en) | Vehicle high-voltage device, power supply control method for vehicle high-voltage device, and vehicle | |
| CN116413534A (en) | Method and system for verifying charging performance of electric vehicle and electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |