CN102819942A - Analog automobile signal transmission and detection system and method thereof - Google Patents
Analog automobile signal transmission and detection system and method thereof Download PDFInfo
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- CN102819942A CN102819942A CN201210222767XA CN201210222767A CN102819942A CN 102819942 A CN102819942 A CN 102819942A CN 201210222767X A CN201210222767X A CN 201210222767XA CN 201210222767 A CN201210222767 A CN 201210222767A CN 102819942 A CN102819942 A CN 102819942A
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Abstract
The invention provides an analog automobile signal transmission and detection system and a method thereof and solves the technical problem that it is difficult to find fault probability by present testing technologies. The analog automobile signal transmission and detection system provided by the invention comprises a computer and a program control resistor, a communication module group and a pick-up head which are respectively connected with the computer. As the program control resistor is connected with an external detected machine, the computer is used to control the program control resistor to acquire a detected analog automobile signal. Under the control of an instruction sent from the computer, the program control resistor is used to complete detection of the external detected machine. The pick-up head receives the instruction sent from the computer and monitors the detection process.
Description
Technical field
The present invention relates to the vehicle signal detection range, particularly a kind of simulated automotive signal transmits detection system and method.
Background technology
The stability of vehicle entertainment system and anti-interference generally tested through vehicle entertainment system assess.In the existing testing scheme; For stability and the anti-interference that detects vehicle entertainment system; Typically using the signal that some simulated automotives send verifies; But vehicle signal can impact the vehicle entertainment system actuating signal, for example: signals such as reversing, igniting, ACC, bluetooth communication incoming call.When for example moveing backward, use manual operation, its operating frequency and time can't hold, the time regular meeting detect some uncommon problems, but be difficult to find probability of malfunction.
Summary of the invention
The present invention provides a kind of simulated automotive signal to transmit detection system and method, has solved the technical matters that existing measuring technology is difficult to find probability of malfunction.
Detection system of the present invention adopts following technical proposals to realize: this simulated automotive signal transmits detection system, comprises computing machine, the program control resistance, communication module group and the camera that are connected respectively with computing machine; Be connected the tested simulated automotive signal of the program control electrical resistance collection of said computer control with outside tested machine by said program control resistance; Said program control resistance is accomplished the detection to the tested machine in outside under the instruction control that computing machine sent, the instruction that said camera receiving computer sends is implemented monitoring to testing process.
Said program control resistance is provided with the USB/SD interface.
Said communication module group is the bluetooth communication module.
Above-mentioned simulated automotive signal transmits detection system, also comprises the programmable power supply to computing machine and outside tested machine power supply.
Detection method of the present invention adopts following technical proposals to realize: the detection method based on above-mentioned simulated automotive signal transmission detection system may further comprise the steps:
The first step, the said simulated automotive signal of initialization transmit detection system, and set and detect number of times;
Second step, computing machine send instruction to program control resistance, and program control resistance is detected ignition signal, astern signal, bluetooth incoming telephone signal and communication interface signal, and detect the detection number of times that number of times reaches first step setting.
Preferably, the said first step comprises step S1, and said second step comprises step S2-S7:
Through port communication, opening power is broken off program control resistance between S1, communication module group, program control resistance and the computing machine, sets number of times, the WV amplitude of detecting; Begin test then;
S2, computing machine send instruction to program control resistance, and program control resistance is carried out igniting and opened and closed, thereby igniting is detected, and it is 10S that each igniting opens or closes the stand-by period;
The detection number of times that S3, COMPUTER CALCULATION detect igniting; Sending instruction simultaneously monitors to camera in real time; Open when igniting, whether image transmitted is consistent with the picture contrast of computer settings in the camera at every turn, gets back to if not to begin to test; Whether reach the detection number of times that step S1 sets if judge the detection number of times that igniting is detected; If then the transmission instruction is lighted a fire program control resistance execution and is opened, moves backward opening and closing, each backing time interval 10S, thus astern signal is detected;
The detection number of times that S4, COMPUTER CALCULATION detect reversing; Sending instruction simultaneously monitors to camera in real time; When each reversing opens or closes; Whether image transmitted is consistent with the picture contrast of computer settings in the camera, returns if not to begin test, whether reaches the detection number of times of step S1 setting if judge the detection number of times that reversing is detected; Program control resistance is carried out send the program control resistance of instruction and carried out the instruction of bluetooth communication incoming call if then send instruction, thereby to the detection of bluetooth incoming telephone signal;
The detection number of times that S6, COMPUTER CALCULATION detect the bluetooth incoming telephone signal; Sending instruction simultaneously monitors to camera in real time; Each incoming call or stop incoming call, whether image transmitted is consistent with the picture contrast of computer settings in the camera, returns if not to begin to test; And judge whether the detection number of times that the bluetooth communication incoming telephone signal is detected reaches the detection number of times that step S1 sets; Make the program control resistance of program control resistance execution transmission instruction carry out USB or the access of SD communication interface if then send to instruct,, thus USB or SD communication interface signal are detected;
The detection number of times that S7, COMPUTER CALCULATION detect USB or SD communication interface signal; Sending instruction simultaneously monitors to camera in real time; Each USB or SD of inserting, whether image transmitted is consistent with the picture contrast of computer settings in the camera, returns if not to begin to test; And judge whether USB or SD port are inserted the detection number of times that signal detects reaches the detection number of times that step S1 sets, if then accomplish detection to USB or SD communication interface signal.
Preferably, after said step S7 accomplished the detection to USB or SD communication interface signal, computing machine sends instruction made programmable power supply carry out the detection of power supply drop signal; Carry out following steps then:
The detection number of times that S8, COMPUTER CALCULATION detect the power supply drop signal; Sending instruction simultaneously monitors to camera in real time; And judge whether the detection number of times that the power supply drop signal is detected reaches the detection number of times that step S1 sets, if then accomplish test.
The present invention has following advantage and effect with respect to prior art: the present invention controls each instrument and program control resistance through processor, and uses camera to monitor in real time, realizes test automatically; When test is accomplished, access video and can confirm that which link is out of joint, make things convenient for slip-stick artist's root that searches problem, the probability that can in time find problem to take place.
Description of drawings
Fig. 1 is a system architecture diagram of the present invention;
Fig. 2 is a test flow chart of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is described in further detail, but embodiment of the present invention is not limited thereto.
Embodiment
As shown in Figure 1, simulated automotive signal of the present invention transmits detection system and comprises computing machine, the program control resistance, programmable power supply, bluetooth communication module and the camera that are connected respectively with computing machine.Be connected with outside tested machine by program control resistance, gather measured signal.Programmable power supply is given computing machine and outside tested machine power supply simultaneously.Program control resistance is by DC power supply, and is provided with USB/SDPCB PIN interface.
As shown in Figure 2, testing process of the present invention may further comprise the steps:
Through port communication, open the B+ power supply between S1, bluetooth communication module, program control resistance, programmable power supply and the computing machine, break off program control resistance, set number of times, the WV amplitude of detecting; Begin test then;
S2, computing machine send instruction to program control resistance, and program control resistance is carried out igniting and opened and closed, thereby ignition signal is detected;
The detection number of times that S3, COMPUTER CALCULATION detect igniting; Sending instruction simultaneously monitors to camera in real time; Open when igniting, whether image transmitted is consistent with the picture contrast of computer settings in the camera at every turn, gets back to if not to begin to test; Whether reach the detection number of times that step S1 sets if judge the detection number of times that igniting is detected; If then the transmission instruction is lighted a fire program control resistance execution and is opened, moves backward opening and closing, each backing time interval 10S, thus astern signal is detected;
The detection number of times that S4, COMPUTER CALCULATION detect reversing; Sending instruction simultaneously monitors to camera in real time; When each reversing opens or closes; Whether image transmitted is consistent with the picture contrast of computer settings in the camera, returns if not to begin test, whether reaches the detection number of times of step S1 setting if judge the detection number of times that reversing is detected; Program control resistance is carried out send the program control resistance of instruction and carried out the instruction of bluetooth communication incoming call if then send instruction, thereby to the detection of bluetooth incoming telephone signal;
The detection number of times that S6, COMPUTER CALCULATION detect the bluetooth incoming telephone signal; Sending instruction simultaneously monitors to camera in real time; Each incoming call or stop incoming call, whether image transmitted is consistent with the picture contrast of computer settings in the camera, returns if not to begin to test; And judge whether the detection number of times that the bluetooth communication incoming telephone signal is detected reaches the detection number of times that step S1 sets; Make the program control resistance of program control resistance execution transmission instruction carry out USB or the access of SD communication interface if then send to instruct,, thus USB or SD communication interface signal are detected;
The detection number of times that S7, COMPUTER CALCULATION detect USB or SD communication interface signal; Sending instruction simultaneously monitors to camera in real time; Each USB or SD of inserting, whether image transmitted is consistent with the picture contrast of computer settings in the camera, returns if not to begin to test; And judge whether USB or SD port are inserted the detection number of times that signal detects reaches the detection number of times that step S1 sets, make programmable power supply carry out the power supply drop signal to detect if then send instruction;
The detection number of times that S8, COMPUTER CALCULATION detect the power supply drop signal; Sending instruction simultaneously monitors to camera in real time; And judge whether the detection number of times that the power supply drop signal is detected reaches the detection number of times that step S1 sets, if then accomplish test.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (7)
1. a simulated automotive signal transmits detection system, it is characterized in that, comprises computing machine, the program control resistance, communication module group and the camera that are connected respectively with computing machine; Be connected the tested simulated automotive signal of the program control electrical resistance collection of said computer control with outside tested machine by said program control resistance; Said program control resistance is accomplished the detection to the tested machine in outside under the instruction control that computing machine sent, the instruction that said camera receiving computer sends is implemented monitoring to testing process.
2. simulated automotive signal according to claim 1 transmits detection system, it is characterized in that said program control resistance is provided with the USB/SD interface.
3. simulated automotive signal according to claim 1 transmits detection system, it is characterized in that said communication module group is the bluetooth communication module.
4. simulated automotive signal according to claim 1 transmits detection system, it is characterized in that, also comprises the programmable power supply to computing machine and outside tested machine power supply.
5. transmit the detection method of detection system based on the described simulated automotive signal of claim 1, it is characterized in that, may further comprise the steps:
The first step, the said simulated automotive signal of initialization transmit detection system, and set and detect number of times;
Second step, computing machine send instruction to program control resistance, and program control resistance is detected ignition signal, astern signal, bluetooth incoming telephone signal and communication interface signal, and detect the detection number of times that number of times reaches first step setting.
6. detection method according to claim 5 is characterized in that the said first step comprises step S1, and said second step comprises step S2-S7:
Through port communication, opening power is broken off program control resistance between S1, communication module group, program control resistance and the computing machine, sets number of times, the WV amplitude of detecting; Begin test then;
S2, computing machine send instruction to program control resistance, and program control resistance is carried out igniting and opened and closed, thereby ignition signal is detected;
The detection number of times that S3, COMPUTER CALCULATION detect igniting; Sending instruction simultaneously monitors to camera in real time; Open when igniting, whether image transmitted is consistent with the picture contrast of computer settings in the camera at every turn, gets back to if not to begin to test; Whether reach the detection number of times that step S1 sets if judge the detection number of times that igniting is detected; If then the transmission instruction is lighted a fire program control resistance execution and is opened, moves backward opening and closing, each backing time interval 10S, thus astern signal is detected;
The detection number of times that S4, COMPUTER CALCULATION detect reversing; Sending instruction simultaneously monitors to camera in real time; When each reversing opens or closes; Whether image transmitted is consistent with the picture contrast of computer settings in the camera, returns if not to begin test, whether reaches the detection number of times of step S1 setting if judge the detection number of times that reversing is detected; Program control resistance is carried out send the program control resistance of instruction and carried out the instruction of bluetooth communication incoming call if then send instruction, thereby to the detection of bluetooth incoming telephone signal;
The detection number of times that S6, COMPUTER CALCULATION detect the bluetooth incoming telephone signal; Sending instruction simultaneously monitors to camera in real time; Each incoming call or stop incoming call, whether image transmitted is consistent with the picture contrast of computer settings in the camera, returns if not to begin to test; And judge whether the detection number of times that the bluetooth communication incoming telephone signal is detected reaches the detection number of times that step S1 sets; Make the program control resistance of program control resistance execution transmission instruction carry out USB or the access of SD communication interface if then send to instruct,, thus USB or SD communication interface signal are detected;
The detection number of times that S7, COMPUTER CALCULATION detect USB or SD communication interface signal; Sending instruction simultaneously monitors to camera in real time; Each USB or SD of inserting, whether image transmitted is consistent with the picture contrast of computer settings in the camera, returns if not to begin to test; And judge whether USB or SD port are inserted the detection number of times that signal detects reaches the detection number of times that step S1 sets, if then accomplish detection to USB or SD communication interface signal.
7. detection method according to claim 6 is characterized in that, after said step S7 accomplished the detection to USB or SD communication interface signal, computing machine sends instruction made programmable power supply carry out the detection of power supply drop signal; Carry out following steps then:
The detection number of times that S8, COMPUTER CALCULATION detect the power supply drop signal; Sending instruction simultaneously monitors to camera in real time; And judge whether the detection number of times that the power supply drop signal is detected reaches the detection number of times that step S1 sets, if then accomplish test.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104422890A (en) * | 2013-09-03 | 2015-03-18 | 深圳市众鸿科技股份有限公司 | Method and system for automatic testing of vehicle product |
| CN108566548A (en) * | 2017-12-29 | 2018-09-21 | 惠州市德赛西威汽车电子股份有限公司 | A kind of multichannel vehicle entertainment system car-backing function test system |
| CN111626094A (en) * | 2020-04-02 | 2020-09-04 | 惠州市德赛西威汽车电子股份有限公司 | Reversing automatic test system and method for vehicle-mounted entertainment system |
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| CN201177835Y (en) * | 2008-03-19 | 2009-01-07 | 深圳华强信息产业有限公司 | Image monitoring apparatus for automobile |
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| CN1744133A (en) * | 2005-09-23 | 2006-03-08 | 耿军 | Driving road-condition real-time recording method and its vehicular recording instrument |
| JP2007253748A (en) * | 2006-03-22 | 2007-10-04 | Takata Corp | Object detection system, drive gear and vehicle |
| CN201177835Y (en) * | 2008-03-19 | 2009-01-07 | 深圳华强信息产业有限公司 | Image monitoring apparatus for automobile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104422890A (en) * | 2013-09-03 | 2015-03-18 | 深圳市众鸿科技股份有限公司 | Method and system for automatic testing of vehicle product |
| CN108566548A (en) * | 2017-12-29 | 2018-09-21 | 惠州市德赛西威汽车电子股份有限公司 | A kind of multichannel vehicle entertainment system car-backing function test system |
| CN111626094A (en) * | 2020-04-02 | 2020-09-04 | 惠州市德赛西威汽车电子股份有限公司 | Reversing automatic test system and method for vehicle-mounted entertainment system |
| CN111626094B (en) * | 2020-04-02 | 2024-01-05 | 惠州市德赛西威汽车电子股份有限公司 | Reversing automatic test system and method for vehicle-mounted entertainment system |
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Owner name: HUIZHOU DESAY SV AUTO. ELECTRONICS CO., LTD. Free format text: FORMER OWNER: HUIZHOU DESAY AUTOMOTIVE ELECTRONICS CO., LTD. Effective date: 20130105 |
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Effective date of registration: 20130105 Address after: 516000 Guangdong province Huizhou City Zhongkai high tech Zone and five West Road No. 103 Applicant after: Huizhou Desay SV Auto. Electronics Co., Ltd. Address before: 516006 Guangdong province Huizhou Zhongkai hi tech Industrial Development Zone No. 15 District Applicant before: Huizhou Desay Automotive Electronics Co., Ltd. |
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Address after: 516000 Guangdong province Huizhou Zhongkai high tech Zone and five West Road No. 103 Patentee after: HUIZHOU DESAY SV AUTOMOTIVE CO., LTD. Address before: 516000 Guangdong province Huizhou Zhongkai high tech Zone and five West Road No. 103 Patentee before: Huizhou Desay SV Auto. Electronics Co., Ltd. |