CN101853536B - Test desk and test method for remote access control system of automobile - Google Patents
Test desk and test method for remote access control system of automobile Download PDFInfo
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Abstract
The invention discloses a test desk for a remote access control system of an automobile. The test desk comprises a tested key, an automobile body control module, an air pump, a test board and a radio-frequency signal receiving indicator, and is connected with a computer mainframe through a CAN bus. In the test process, the test board controls the air pump to operate so as to lead the key to automatically press a button; the air pump, the key, the radio-frequency signal receiving indicator and the automobile body control module operate independently and send out response signals; the test board receives and counts the response signals in sequence; and the test board can also decode PWM signals sent out by the key and counts the frequency of decoding. The invention also discloses a test method for the remote access control system of the automobile. The invention can monitor the whole test process, realizes rapid failure locating, has generality, can realize the testing of remote access control systems of different types, and can realize automatic test, thus greatly saving manpower, improving work efficiency and lowering test cost.
Description
Technical field
The present invention relates to a kind of auto parts machinery experiment detection device, particularly relate to a kind of test board of remote access control system of automobile; The invention still further relates to a kind of method of testing of remote access control system of automobile.
Background technology
Remote access control system of automobile (RKE, Remote Keyless Entry) is nowadays basically as the standard configuration of vehicle.Except the convenience of conspicuous teleswitching door, RKE and engine anti-theft equipment (IMMO) cooperate, and also have the antitheft effect.
But because the environment in the practical application varies, RKE carries out communication as wireless device and automobile, can be disturbed unavoidably between the two, exists numerous uncertain factors simultaneously.For the influence that lets this uncertain factor bring drops to minimumly, it is very necessary that the workflow of whole RKE is tested.
Existing RKE test board all belongs to the test board to the customization of car load factory; This class testing platform function singleness; Only the emission and the reception success ratio of remote-control key are made a record; Can not go to probe into behind a RKE operation failure is that which link has problem on earth, and to receive what handle can only be the remote-control key that the client of car load factory provides, and lacks versatility.Existing in addition RKE test board does not possess the online upgrading function.Existing RKE test board does not possess the remote-control key learning functionality.
Summary of the invention
Technical matters to be solved by this invention provides a kind of test board of remote access control system of automobile; Can monitor whole testing process; Realize losing efficacy fast the location; And have versatility, can realize test, can also improve testing efficiency and reduce testing cost dissimilar remote access control system of automobile; The present invention also provides a kind of method of testing of remote access control system of automobile for this reason.
For solving the problems of the technologies described above, the present invention provides a kind of test board of remote access control system of automobile, and said test board is installed in the test box of a complete closed and through a CAN bus and links to each other with a main frame.Said remote access control system of automobile comprises a key to be tested and a car body control module to be tested; Said key comprises a button and a transmitter module, through triggering unlocking signal or block signal by said button down, forms pulse width modulating signal and said pulse width modulating signal is passed through wireless signal output through said transmitter module; Said car body control module comprises a receiver module and an execution module, receives said wireless signal and decoding through said receiver module, obtains decoded result one.Said test board comprises: a test board, an air pump, a radiofrequency signal receiver-indicator; Said test board is connected with said air pump, said radiofrequency signal receiver-indicator, said key and said car body control module rigid line respectively.Said air pump and said button are corresponding to be provided with, and is used for automatically down by said button, and said air pump action receives the control of said test board; Said radiofrequency signal receiver-indicator is used to receive said wireless signal; A response signal one, said button are once exported in the every action of said air pump, and every a response signal two, said radiofrequency signal receiver-indicator are every to receive successfully that said wireless signal is once exported a response signal three, a response signal four is once exported in the every successfully decoding of said car body control module decoding by once exporting down.Said test board comprises: microprocessor, signal acquisition module, key decoder module, CAN communication module, key study matching module and memory module; Wherein said microprocessor is used to realize the control of computing and whole test process; Said signal acquisition module is used for said pulse width modulating signal and said decoded result one; The said key decoder module said pulse width modulating signal that is used to decode obtains decoded result two, all exports a response signal five after decoding successfully at every turn; Said signal acquisition module also is used to receive said response signal one, response signal two, response signal three, response signal four, response signal five and carries out accumulated counts respectively; Said CAN communication module is used for carrying out exchanges data with main frame; Said key study matching module is used to remember and the said key that matees different encryption types automatically; Said memory module is used to store data, like control program, the decoding software of said key decoder module, the test result of system software, said air pump.Said test board comprises polytype decoding software, is respectively applied for the dissimilar key of coupling.The system of said test board can carry out online upgrading through the CAN bus.
For solving the problems of the technologies described above, the present invention provides a kind of method of testing of remote access control system of automobile, comprises the steps:
Step 1, through an air pump realize button to the key of said remote access control system of automobile carry out automatically down by, a response signal one is once all exported in the every work of said air pump, said button is successfully worked at every turn and is once all exported a response signal two.
Step 2, said button are pressed successfully down, and back triggering one unlocking signal or closes lock signal; The transmitter module of said remote access control system of automobile is exported after converting said unlocking signal or pass lock signal into a pulse width modulating signal, and pulse width modulating signal is also gone out through wireless signal transmission.
Step 3, receive said wireless signal, and after receiving successfully, all export a response signal three at every turn through a radiofrequency signal receiver-indicator.
The car body control module of step 4, said remote access control system of automobile is decoded after receiving said wireless signal and converting said wireless signal to pulse width modulating signal, obtains decoded result one, all exports a response signal four after decoding successfully at every turn.
Step 5, receive said response signal one, response signal two, response signal three, response signal four through a test board; Said test board is received pulse bandwidth modulation signals and decoding also, obtains decoded result two, all exports a response signal five after decoding successfully at every turn.
Whether identical whether and decoded result one and decoded result two identical through contrast response signal one, response signal two, response signal three, response signal four and response signal five judges whether success of this test for step 6, said test board; Said test board also carries out accumulated counts respectively to said response signal one, response signal two, response signal three, response signal four and response signal five.
Step 7, through the automatic control repeating step one to six of said test board to said air pump; After test repeatedly, obtain the accumulated counts result of said response signal one, response signal two, response signal three, response signal four and response signal five, the accumulated counts result through more said each response signal analyzes the whole measuring test result.
Step 8, the accumulated counts result of each time test result of said response signal one, response signal two, response signal three, response signal four, response signal five, decoded result one, decoded result two and said response signal one, response signal two, response signal three, response signal four, response signal five is outputed in the main frame through the CAN bus.
Wherein, Said test board is connected with said air pump, said radiofrequency signal receiver-indicator, said key and said car body control module rigid line respectively; Said test board comprises: microprocessor, signal acquisition module; The key decoder module, CAN communication module, key study matching module and memory module; Wherein said microprocessor is used to realize the control of computing and whole test process; Said signal acquisition module is used to receive said pulse width modulating signal, each said response signal and said decoded result one; The said key decoder module said pulse width modulating signal that is used to decode; Said CAN communication module is used for carrying out exchanges data with main frame; Said key study matching module is used to remember and the said key that matees different encryption types automatically; Said memory module is used to store data, like control program, the decoding software of said key decoder module, the test result of system software, said air pump.Said test board comprises polytype decoding software, is respectively applied for the dissimilar key of coupling.The system of said test board can carry out online upgrading through the CAN bus.
The present invention can monitor whole testing process, realizes losing efficacy fast the location.Test board of the present invention can be installed polytype decoding software and online the refreshing of ability, is respectively applied for the dissimilar key of coupling, has versatility, can realize the test to dissimilar remote access control system of automobile.Thereby test board of the present invention can also be realized automatic test and can save manpower greatly and make whole test process become simpler, improves testing efficiency.The present invention can also reduce testing cost.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation:
Fig. 1 is the structural representation of embodiment of the invention test board.
Embodiment
As shown in Figure 1, be the structural representation of embodiment of the invention test board.The test board of embodiment of the invention remote access control system of automobile is installed in the test box of a complete closed, and links to each other with a main frame through a CAN bus.
Said remote access control system of automobile comprises a key to be tested and a car body control module to be tested; Wherein,
Said key comprises a button and a transmitter module, and said transmitter module has comprised chip as shown in Figure 1 and emitting antenna.Through triggering unlocking signal or block signal by said button down; Chip through said transmitter module is the PWM data-signal with said unlocking signal or block signal conversion formation pulse-length modulation; Through the emitting antenna of said transmitter module said pulse width modulating signal is exported through wireless signal at last, the said wireless signal of present embodiment is the radio frequency signal of a 433MHz.Said car body control module comprises a receiver module and an execution module, receives said wireless signal and decoding through said receiver module, obtains decoded result one.
Said test board comprises: a test board, an air pump, a radiofrequency signal receiver-indicator; Said test board is connected with said air pump, said radiofrequency signal receiver-indicator, said key and said car body control module rigid line respectively;
Said air pump and said button are corresponding to be provided with, and is used for automatically down by said button, and said air pump action receives the control of said test board; Said radiofrequency signal receiver-indicator is used to receive said wireless signal; A response signal one, said button are once exported in the every action of said air pump, and every a response signal two, said radiofrequency signal receiver-indicator are every to receive successfully that said wireless signal is once exported a response signal three, a response signal four is once exported in the every successfully decoding of said car body control module decoding by once exporting down;
Said test board comprises: microprocessor, signal acquisition module, key decoder module, CAN communication module, key study matching module and memory module.
Wherein, said microprocessor is used to realize the control of computing and whole test process.
Said signal acquisition module is used for said pulse width modulating signal and said decoded result one; The said key decoder module said pulse width modulating signal that is used to decode obtains decoded result two, all exports a response signal five after decoding successfully at every turn; Said signal acquisition module also is used to receive said response signal one, response signal two, response signal three, response signal four, response signal five and carries out accumulated counts respectively.
Said CAN communication module is used for carrying out exchanges data with main frame, can the accumulated counts result of each time test result of said response signal one, response signal two, response signal three, response signal four, response signal five, decoded result one, decoded result two and said response signal one, response signal two, response signal three, response signal four, response signal five be outputed in the main frame through the CAN bus.
Said key study matching module is used to remember and the said key that matees different encryption types automatically.
Said memory module is used to store data, like control program, the decoding software of said key decoder module, the test result of system software, said air pump.Said test board comprises polytype decoding software, is respectively applied for the dissimilar key of coupling.The system of said test board can carry out online upgrading through the CAN bus.
It more than is the architectural feature of the embodiment of the invention.The workflow of said test board in actual test process as shown in Figure 1 also is the method for testing of the said remote access control system of automobile of the embodiment of the invention, comprises the steps:
Step 1, through said air pump realize button to the key of said remote access control system of automobile carry out automatically down by, a response signal one is once all exported in the every work of said air pump, said button is successfully worked at every turn and is once all exported a response signal two.
Step 2, said button are pressed successfully down, and back triggering one unlocking signal or closes lock signal; The transmitter module of said remote access control system of automobile is exported after converting said unlocking signal or pass lock signal into a pulse width modulating signal, and pulse width modulating signal is also gone out through wireless signal transmission.
Step 3, receive said wireless signal, and after receiving successfully, all export a response signal three at every turn through a radiofrequency signal receiver-indicator.
The car body control module of step 4, said remote access control system of automobile is decoded after receiving said wireless signal and converting said wireless signal to pulse width modulating signal, obtains decoded result one, all exports a response signal four after decoding successfully at every turn.
Step 5, receive said response signal one, response signal two, response signal three, response signal four through a test board; Said test board is received pulse bandwidth modulation signals and decoding also, obtains decoded result two, all exports a response signal five after decoding successfully at every turn.
Whether identical whether and decoded result one and decoded result two identical through contrast response signal one, response signal two, response signal three, response signal four and response signal five judges whether success of this test for step 6, said test board; Said test board also carries out accumulated counts respectively to said response signal one, response signal two, response signal three, response signal four and response signal five.
Step 7, through the automatic control repeating step one to six of said test board to said air pump; After test repeatedly, obtain the accumulated counts result of said response signal one, response signal two, response signal three, response signal four and response signal five, the accumulated counts result through more said each response signal analyzes the whole measuring test result.
Step 8, the accumulated counts result of each time test result of said response signal one, response signal two, response signal three, response signal four, response signal five, decoded result one, decoded result two and said response signal one, response signal two, response signal three, response signal four, response signal five is outputed in the main frame through the CAN bus.
By on can know that the testing process of one whole has comprised data transmission procedure and DRP data reception process; Wherein step 1 to step 4 is a data transmission procedure; Step 5 to step 7 is a DRP data reception process; Step 8 is the process of repeated test, and forms test result at last and send to main frame and supply the tester to analyze.
Of table one; Send to the CAN message data content of said main frame through the CAN bus for last said test board; Comprise that altogether above-mentioned five response signals are when sub-value and accumulated counts value; Wherein the said response signal one to five of the 2nd behavior work as sub-value, said when response is arranged when sub-value is 1, said when not responding to work as sub-value be 0.
The 1st each value of row is respectively the accumulated counts value of the response times of said response signal one to five in the table one, has represented respectively: air pump output number of times, button triggering times, radiofrequency signal receiver-indicator are that the RF receiver receives number of success, BCM response times, test board decoding number of times.Can realize whole testing process is monitored through monitoring, when the response times of said response signal one to five is identical, then test successfully said response signal one to five; Opposite response times when said response signal one to five not simultaneously, then in test process, having failure scenario is the remote access control system of automobile existing problems, through more then realizing losing efficacy fast the location to the response times of said response signal one to five.
Table one
Air pump output number of times | The button triggering times | The RF receiver receives number of success | The BCM response times | Test board decoding number of times |
Response signal one | Response signal two | Response signal three | Response signal four | Response signal five |
Table two
2184 | 2182 | 2181 | 2181 | 2181 |
1 | 1 | 0 | 0 | 0 |
Shown in table two; For the occurrence of the CAN message data content of a test result of the embodiment of the invention, can find out air pump output 2184 times; But the actual triggering times of key button is 2182 times; Test board decoding number of times 2181 times, BCM exemplar output number of times 2181 times, it is 2181 times that the RF receiver receives number of success.Current have only air pump working signal and button trigger pip to be " 1 ", and other test signals are invalid " 0 ".From on can infer; The key button has and is not triggered for twice in whole test process; And in 2182 buttons once key do not export any signal; Thereby can orient the current place that tests out problem fast is the button of said key, and the transmitter module of said key, said car body control module are all no problem.
More than through specific embodiment the present invention has been carried out detailed explanation, but these are not to be construed as limiting the invention.Under the situation that does not break away from the principle of the invention, those skilled in the art also can make many distortion and improvement, and these also should be regarded as protection scope of the present invention.
Claims (11)
1. the test board of a remote access control system of automobile, said test board links to each other with a main frame through a CAN bus; Said remote access control system of automobile comprises a key to be tested and a car body control module to be tested;
Said key comprises a button and a transmitter module, through triggering unlocking signal or block signal by said button down, forms pulse width modulating signal and said pulse width modulating signal is passed through wireless signal output through said transmitter module;
Said car body control module comprises a receiver module and an execution module, receives said wireless signal and decoding through said receiver module, obtains decoded result one;
It is characterized in that said test board comprises: a test board, an air pump, a radiofrequency signal receiver-indicator; Said test board is connected with said air pump, said radiofrequency signal receiver-indicator, said key and said car body control module rigid line respectively;
Said air pump and said button are corresponding to be provided with, and is used for automatically down by said button, and said air pump action receives the control of said test board; Said radiofrequency signal receiver-indicator is used to receive said wireless signal; A response signal one, said button are once exported in the every action of said air pump, and every a response signal two, said radiofrequency signal receiver-indicator are every to receive successfully that said wireless signal is once exported a response signal three, a response signal four is once exported in the every successfully decoding of said car body control module decoding by once exporting down;
Said test board comprises: microprocessor, signal acquisition module, key decoder module, CAN communication module, key study matching module and memory module; Wherein said microprocessor is used to realize the control of computing and whole test process; Said signal acquisition module is used for said pulse width modulating signal and said decoded result one; The said key decoder module said pulse width modulating signal that is used to decode obtains decoded result two, all exports a response signal five after decoding successfully at every turn; Said signal acquisition module also is used to receive said response signal one, response signal two, response signal three, response signal four, response signal five and carries out accumulated counts respectively; Said CAN communication module is used for carrying out exchanges data with main frame; Said key study matching module is used to remember and the said key that matees different encryption types automatically; Said memory module is used to store data.
2. the test board of remote access control system of automobile according to claim 1, it is characterized in that: said test board comprises polytype decoding software, is respectively applied for the dissimilar key of coupling.
3. the test board of remote access control system of automobile according to claim 1, it is characterized in that: the system of said test board can carry out online upgrading through the CAN bus.
4. the test board of remote access control system of automobile according to claim 1, it is characterized in that: said test board is installed in the test box of a complete closed.
5. the test board of remote access control system of automobile according to claim 1, it is characterized in that: the data of said memory module storage comprise control program, the decoding software of said key decoder module, the test result of system software, said air pump.
6. the method for testing of a remote access control system of automobile is characterized in that, comprises the steps:
Step 1, through an air pump realize button to the key of said remote access control system of automobile carry out automatically down by, a response signal one is once all exported in the every work of said air pump, said button is successfully worked at every turn and is once all exported a response signal two;
Step 2, said button are pressed successfully down, and back triggering one unlocking signal or closes lock signal; The transmitter module of said remote access control system of automobile is exported after converting said unlocking signal or pass lock signal into a pulse width modulating signal, and pulse width modulating signal is also gone out through wireless signal transmission;
Step 3, receive said wireless signal, and after receiving successfully, all export a response signal three at every turn through a radiofrequency signal receiver-indicator;
The car body control module of step 4, said remote access control system of automobile is decoded after receiving said wireless signal and converting said wireless signal to pulse width modulating signal, obtains decoded result one, all exports a response signal four after decoding successfully at every turn;
Step 5, receive said response signal one, response signal two, response signal three, response signal four through a test board; Said test board is received pulse bandwidth modulation signals and decoding also, obtains decoded result two, all exports a response signal five after decoding successfully at every turn;
Whether identical whether and decoded result one and decoded result two identical through contrast response signal one, response signal two, response signal three, response signal four and response signal five judges whether success of this test for step 6, said test board; Said test board also carries out accumulated counts respectively to said response signal one, response signal two, response signal three, response signal four and response signal five;
Step 7, through the automatic control repeating step one to six of said test board to said air pump; After test repeatedly, obtain the accumulated counts result of said response signal one, response signal two, response signal three, response signal four and response signal five, the accumulated counts result through more said each response signal analyzes the whole measuring test result.
7. the method for testing of remote access control system of automobile as claimed in claim 6 is characterized in that: also comprise step 8, the accumulated counts result of each time test result of said response signal one, response signal two, response signal three, response signal four, response signal five, decoded result one, decoded result two and said response signal one, response signal two, response signal three, response signal four, response signal five is outputed in the main frame through the CAN bus.
8. the method for testing of remote access control system of automobile as claimed in claim 6; It is characterized in that: said test board is connected with said air pump, said radiofrequency signal receiver-indicator, said key and said car body control module rigid line respectively; Said test board comprises: microprocessor, signal acquisition module; The key decoder module, CAN communication module, key study matching module and memory module; Wherein said microprocessor is used to realize the control of computing and whole test process; Said signal acquisition module is used to receive said pulse width modulating signal, each said response signal and said decoded result one; The said key decoder module said pulse width modulating signal that is used to decode; Said CAN communication module is used for carrying out exchanges data with main frame; Said key study matching module is used to remember and the said key that matees different encryption types automatically; Said memory module is used to store data.
9. the method for testing of remote access control system of automobile as claimed in claim 8, it is characterized in that: said test board comprises polytype decoding software, is respectively applied for the dissimilar key of coupling.
10. the method for testing of remote access control system of automobile as claimed in claim 8, it is characterized in that: the system of said test board can carry out online upgrading through the CAN bus.
11. the method for testing like the said remote access control system of automobile of claim 8 is characterized in that: the data of said memory module storage comprise control program, the decoding software of said key decoder module, the test result of system software, said air pump.
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CN102621976A (en) * | 2012-01-13 | 2012-08-01 | 重庆长安汽车股份有限公司 | Test method for finished automobile remote control performance of automobile remote control key access control system |
CN103645732B (en) * | 2013-12-24 | 2016-02-03 | 重庆长安汽车股份有限公司 | A kind of reliability test system of automobile remote-control key and method |
CN104820193A (en) * | 2015-05-29 | 2015-08-05 | 北京经纬恒润科技有限公司 | Battery voltage detecting system, RKE testing equipment and RKE product |
CN108872727A (en) * | 2017-05-08 | 2018-11-23 | 深圳市新益技术有限公司 | Automobile remote-control key wireless test system and method |
CN112986699A (en) * | 2021-03-29 | 2021-06-18 | 一汽奔腾轿车有限公司 | Automobile Bluetooth key electromagnetic compatibility test system and control method thereof |
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Inventor after: Zhou Jing Inventor after: Wang Xiaojie Inventor after: Zou Feng Inventor after: Duan Xudong Inventor after: Ye Mao Inventor before: Zhou Jing |
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Free format text: CORRECT: INVENTOR; FROM: ZHOU JING TO: ZHOU JING WANG XIAOJIE ZOU FENG DUAN XUDONG YE MAO |
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