CN207964872U - Intelligent vehicle speed detection system - Google Patents
Intelligent vehicle speed detection system Download PDFInfo
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- CN207964872U CN207964872U CN201820038904.7U CN201820038904U CN207964872U CN 207964872 U CN207964872 U CN 207964872U CN 201820038904 U CN201820038904 U CN 201820038904U CN 207964872 U CN207964872 U CN 207964872U
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- 238000001514 detection method Methods 0.000 title claims abstract description 25
- 238000012545 processing Methods 0.000 claims abstract description 57
- 238000003745 diagnosis Methods 0.000 claims abstract description 28
- 238000004891 communication Methods 0.000 claims description 45
- 238000000034 method Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 4
- 210000001367 artery Anatomy 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
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Abstract
An intelligent vehicle speed detection system comprising: the output end of the central processing unit is in signal connection with a display; the detection system further comprises a diagnosis adapter and a hub vehicle speed sensor, the signal input end of the diagnosis adapter is connected with a BOD interface of the whole vehicle through a BOD joint, the signal output end of the diagnosis adapter is connected with the signal input end of the central processing unit, the signal output end of the hub vehicle speed sensor is connected with the signal input end of the pulse acquisition module, the signal output end of the pulse acquisition module is in signal connection with the central processing unit through a USB communicator, and the signal output end of the central processing unit is in signal connection with a printer and a display respectively. The design not only has convenient data acquisition and conversion and high reliability, but also has good whole-process vehicle speed monitoring and accuracy.
Description
Technical field
It is specific suitable the utility model is related to a kind of vehicle speed detection system more particularly to a kind of intelligent vehicle speed detection system
For carrying out whole detection to speed instrument, vehicle reliability is improved.
Background technology
The means of the offline speedometer detection of domestic automobile main engine plants at present are consistent with east wind, judged in artificial vision
On the basis of detection trigger instruct.Having differences property of manual operation is hindered by factors such as operator's Throttle Opening Control precision, vision interference
Hinder, repeatedly vehicle is caused to recheck, to increase the problems such as working hour, oil consumption and rack are worn.
China Patent Publication No. is CN204495852U, and publication date is that the utility model patent on July 22nd, 2015 discloses
A kind of detection device of locomotive equipment comprising：Wheel velocity generating unit, velocity sensor information process unit,
Wheel speed information processing unit, sensor information diagnosis unit, speed sensor interface unit and sensor to be measured；Wherein,
The wheel speed information processing unit respectively with wheel velocity generating unit, velocity sensor information process unit and sensor
Information diagnosis unit is connected；Described sensor one end to be measured is connected with wheel velocity generating unit, the other end and velocity sensor
Interface unit is connected；Velocity sensor information process unit one end is connected with speed sensor interface unit, the other end with
Sensor information diagnosis unit is connected.Although the utility model can detect car speed, there are still following defects for it：
The utility model can detect car speed, but it cannot carry out real time speed measuring to automobile.
Invention content
The problem of testing the speed of having a try cannot be carried out the purpose of the utility model is to overcome existing in the prior art, provides one
Kind is capable of the intelligent vehicle speed detection system of real time speed measuring.
In order to achieve the above object, the technical solution of the utility model is：
A kind of intelligence vehicle speed detection system, including：Central processing unit, the output end and display of the central processing unit
Signal connects；
The detecting system further includes diagnosis adapter and wheel hub vehicle speed sensor, the signal input of the diagnosis adapter
End is connected by BOD connectors with vehicle BOD interfaces, the signal of the signal output end and central processing unit of the diagnosis adapter
Input terminal is connected, and the signal output end of the wheel hub vehicle speed sensor is connected with the signal input part of pulse collection module,
The signal output end of the pulse collection module is connect by usb communication device with central processing unit signal, the central processing unit
Signal output end connect respectively with printer and monitor signal.
The diagnosis adapter includes CAN communication module, signal processing module and usb communication module, the CAN communication mould
The signal input part of block passes sequentially through BOD connectors, vehicle BOD interfaces are connect with vehicle CAN bus signal, the CAN communication mould
The signal output end of block is connected with the signal input part of signal processing module, the signal output end of the signal processing module with
The signal input part of usb communication module is connected, and the signal output end of the usb communication module and the signal of central processing unit are defeated
Enter end to be connected.
The central processing unit includes：Vehicle signal receiving module, sensor signal receiving module and speed comparison unit,
The signal input part of the vehicle signal receiving module is connected with the signal output end of usb communication module in diagnosis adapter,
The signal output end of the vehicle signal receiving module is connected with the signal input part of speed comparison unit, the sensor letter
The signal input part of number receiving module is connected with usb communication device, the signal output end of the sensor signal receiving module
Be connected with the signal input part of speed comparison unit, the signal output end of the speed comparison unit respectively with printer, aobvious
Show that device signal connects.
The display is touch screen displays.
The central processing unit further includes：Storage unit, the storage unit are connect with speed comparison unit signal.
Compared with prior art, the beneficial effects of the utility model are：
1, it is read in vehicle CAN bus using vehicle BOD interfaces in a kind of intelligent vehicle speed detection system of the utility model
Vehicle speed data, and relevant information is sent to central processing unit, while wheel mileage information is acquired using rotating hub sensor, led to
Wheel mileage information is organized into the information of live actual vehicle velocity V 2 by extra pulse signal adapter, and by 2 phase of live actual vehicle velocity V
It closes information and is sent to central processing unit, during the design supplies the information unification of different types of data at identical data type information
Central processor reads analysis, and the mode of speed point data acquisition instructions is triggered instead of artificial vision, improves the design test
The reliability and accuracy of system.Therefore, the design Data collecting conversion is convenient, reliability is high, accuracy is good.
2, it is monitored using the full name to speed in a kind of intelligent vehicle speed detection system of the utility model and waits for measuring car to detect
Vehicle speed data, can be more accurate and the speed signal that analyze stablized whether there is problem, effectively increase testing number
According to accuracy.Therefore, the design monitored over time speed, accuracy are high.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure：Vehicle BOD interfaces 1, BOD connectors 2, diagnosis adapter 3, CAN communication module 31,32 and of signal processing module
Usb communication module 33, central processing unit 4, vehicle signal receiving module 41, sensor signal receiving module 42, speed comparison are single
Member 43, storage unit 44, wheel hub vehicle speed sensor 5, pulse collection module 6, usb communication device 7, printer 8, display 9.
Specific implementation mode
The utility model is described in further detail below in conjunction with description of the drawings and specific implementation mode.
Referring to Fig. 1, a kind of intelligence vehicle speed detection system, including：Central processing unit 4, the output of the central processing unit 4
End is connect with 9 signal of display；
The detecting system further includes diagnosis adapter 3 and wheel hub vehicle speed sensor 5, the signal of the diagnosis adapter 3
Input terminal is connected by BOD connectors 2 with vehicle BOD interfaces 1, the signal output end and central processing of the diagnosis adapter 3
The signal input part of device is connected, and the signal output end of the wheel hub vehicle speed sensor 5 is inputted with the signal of pulse collection module 6
End is connected, and the signal output end of the pulse collection module 6 is connect by usb communication device 7 with 4 signal of central processing unit, institute
The signal output end for stating central processing unit 4 is connect with printer 8 and 9 signal of display respectively.
The diagnosis adapter 3 includes CAN communication module 31, signal processing module 32 and usb communication module 33, described
The signal input part of CAN communication module 31 passes sequentially through BOD connectors 2, vehicle BOD interfaces 1 are connect with vehicle CAN bus signal,
The signal output end of the CAN communication module 31 is connected with the signal input part of signal processing module 32, the signal processing
The signal output end of module 32 is connected with the signal input part of usb communication module 33, and the signal of the usb communication module 33 is defeated
Outlet is connected with the signal input part of central processing unit 4.
The central processing unit 4 includes：Vehicle signal receiving module 41, sensor signal receiving module 42 and speed comparison
Unit 43, the signal input part and the signal of usb communication module 33 in diagnosis adapter 3 of the vehicle signal receiving module 41 are defeated
Outlet is connected, and the signal output end of the vehicle signal receiving module 41 is connected with the signal input part of speed comparison unit 43
It connects, the signal input part of the sensor signal receiving module 42 is connected with usb communication device 7, and the sensor signal connects
The signal output end for receiving module 42 is connected with the signal input part of speed comparison unit 43, the letter of the speed comparison unit 43
Number output end is connect with printer 8,9 signal of display respectively.
The display 9 is touch screen displays.
The central processing unit 4 further includes：Storage unit 44, the storage unit 44 connect with 43 signal of speed comparison unit
It connects.
A kind of control method of intelligence vehicle speed detection system, includes the following steps：
The first step：Installation prepares, and automobile to be detected is opened on experimental stand, and is fixed to it and make its wheel hanging, will
BOD connectors 2 with spend vehicle BOD interfaces 1 on automobile to be detected and dock, and test the speed in band and wheel hub vehicle speed sensor 5 be installed on wheel hub,
Tester enters driver's cabin startup automobile after inputting wheel diameter data, then installs preparation completion；
Second step：Test, tester gradually accelerate automobile, so that speed is ramped up from zero to 60Km/h, examine at this time
The signal processing module 32 of disconnected adapter 3 reads speed signal by CAN communication module 31 from automobile CAN-bus to be measured, believes
Number processing module 32 is obtained according to speed signal measures vehicle velocity V 1 in real time, and signal processing module 32 is by above-mentioned real-time measurement vehicle velocity V 1
By usb communication module 33 and 41 real-time Transmission of vehicle signal receiving module to speed comparison unit 43；Meanwhile pulse collection mould
Block 6 obtains real-time pulse signal according to the signal of the wheel hub vehicle speed sensor 5 received, and pulse collection module 6 is according to real-time arteries and veins
It rushes signal and wheel diameter calculates live actual vehicle velocity V 2, live actual vehicle velocity V 2 is passed sequentially through USB by pulse collection module 6
Communication module 33, sensor signal receiving module 42 are transferred to speed comparison unit 43, and speed comparison unit 43 is by the same time
The measurement vehicle velocity V 1 and actual vehicle speed V2 of point is compared, when V1, V2 of each time point are satisfied by 0≤V1-V2≤0.1V2+4
When, then judge that the speed instrument of automobile to be detected is qualified, otherwise judges that the speed instrument of automobile to be detected is unqualified, test the speed at this time
It completes speed comparison unit 43 and every detection data is stored in storage unit 44.
The principles of the present invention are described as follows：
Diagnosis adapter reads 1 information of speed in vehicle CAN bus by vehicle OBD interfaces 1, and speed 1 is related
Information is sent in computer；
Rotating hub sensor 5 acquires wheel mileage information, and wheel mileage information is organized into vehicle by pulse signal converter
Fast 2 information, and 2 relevant information of speed is sent in computer；
Computer operation alignment programs (being write according to the logical formula of speed in regulation 1 and speed 2), judge speed
Whether 1 meet operation requirement, is shown as qualified if meeting, and printed report and storage data；If being unsatisfactory for, it is shown as
It is unqualified, it reminds driver's vehicle that there are problems, needs investigation problem, and store data to analyze.
Embodiment 1：
A kind of intelligence vehicle speed detection system, including：Central processing unit 4, the output end of the central processing unit 4 and display
9 signal of device connects；
The detecting system further includes diagnosis adapter 3 and wheel hub vehicle speed sensor 5, the signal of the diagnosis adapter 3
Input terminal is connected by BOD connectors 2 with vehicle BOD interfaces 1, the signal output end and central processing of the diagnosis adapter 3
The signal input part of device is connected, and the signal output end of the wheel hub vehicle speed sensor 5 is inputted with the signal of pulse collection module 6
End is connected, and the signal output end of the pulse collection module 6 is connect by usb communication device 7 with 4 signal of central processing unit, institute
The signal output end for stating central processing unit 4 is connect with printer 8 and 9 signal of display respectively.
The diagnosis adapter 3 includes CAN communication module 31, signal processing module 32 and usb communication module 33, described
The signal input part of CAN communication module 31 passes sequentially through BOD connectors 2, vehicle BOD interfaces 1 are connect with vehicle CAN bus signal,
The signal output end of the CAN communication module 31 is connected with the signal input part of signal processing module 32, the signal processing
The signal output end of module 32 is connected with the signal input part of usb communication module 33, and the signal of the usb communication module 33 is defeated
Outlet is connected with the signal input part of central processing unit 4.
The central processing unit 4 includes：Vehicle signal receiving module 41, sensor signal receiving module 42 and speed comparison
Unit 43, the signal input part and the signal of usb communication module 33 in diagnosis adapter 3 of the vehicle signal receiving module 41 are defeated
Outlet is connected, and the signal output end of the vehicle signal receiving module 41 is connected with the signal input part of speed comparison unit 43
It connects, the signal input part of the sensor signal receiving module 42 is connected with usb communication device 7, and the sensor signal connects
The signal output end for receiving module 42 is connected with the signal input part of speed comparison unit 43, the letter of the speed comparison unit 43
Number output end is connect with printer 8,9 signal of display respectively.
Embodiment 2：
Embodiment 2 is substantially the same manner as Example 1, the difference is that：
The central processing unit 4 further includes：Storage unit 44, the storage unit 44 connect with 43 signal of speed comparison unit
It connects.
A kind of control method of intelligence vehicle speed detection system, includes the following steps：
The first step：Installation prepares, and automobile to be detected is opened on experimental stand, and is fixed to it and make its wheel hanging, will
BOD connectors 2 with spend vehicle BOD interfaces 1 on automobile to be detected and dock, and test the speed in band and wheel hub vehicle speed sensor 5 be installed on wheel hub,
Tester enters driver's cabin startup automobile after inputting wheel diameter data, then installs preparation completion；
Second step：Test, tester gradually accelerate automobile, so that speed is ramped up from zero to 60Km/h, examine at this time
The signal processing module 32 of disconnected adapter 3 reads speed signal by CAN communication module 31 from automobile CAN-bus to be measured, believes
Number processing module 32 is obtained according to speed signal measures vehicle velocity V 1 in real time, and signal processing module 32 is by above-mentioned real-time measurement vehicle velocity V 1
By usb communication module 33 and 41 real-time Transmission of vehicle signal receiving module to speed comparison unit 43；Meanwhile pulse collection mould
Block 6 obtains real-time pulse signal according to the signal of the wheel hub vehicle speed sensor 5 received, and pulse collection module 6 is according to real-time arteries and veins
It rushes signal and wheel diameter calculates live actual vehicle velocity V 2, live actual vehicle velocity V 2 is passed sequentially through USB by pulse collection module 6
Communication module 33, sensor signal receiving module 42 are transferred to speed comparison unit 43, and speed comparison unit 43 is by the same time
The measurement vehicle velocity V 1 and actual vehicle speed V2 of point is compared, when V1, V2 of each time point are satisfied by 0≤V1-V2≤0.1V2+4
When, then judge that the speed instrument of automobile to be detected is qualified, otherwise judges that the speed instrument of automobile to be detected is unqualified, test the speed at this time
It completes speed comparison unit 43 and every detection data is stored in storage unit 44.
Embodiment 3：
Embodiment 3 is substantially the same manner as Example 2, the difference is that：
The display 9 is touch screen displays.
Claims (5)
1. a kind of intelligence vehicle speed detection system, including：Central processing unit (4), the output end of the central processing unit (4) with it is aobvious
Show that device (9) signal connects, it is characterised in that：
The detecting system further includes diagnosis adapter (3) and wheel hub vehicle speed sensor (5), the letter of the diagnosis adapter (3)
Number input terminal is connected by BOD connectors (2) with vehicle BOD interfaces (1), the signal output end of the diagnosis adapter (3) with
The signal input part of central processing unit is connected, signal output end and the pulse collection module of the wheel hub vehicle speed sensor (5)
(6) signal input part is connected, and the signal output end of the pulse collection module (6) passes through usb communication device (7) and centre
The connection of device (4) signal is managed, the signal output end of the central processing unit (4) connects with printer (8) and display (9) signal respectively
It connects.
2. a kind of intelligent vehicle speed detection system according to claim 1, it is characterised in that：
The diagnosis adapter (3) includes CAN communication module (31), signal processing module (32) and usb communication module (33), institute
The signal input part for stating CAN communication module (31) passes sequentially through BOD connectors (2), vehicle BOD interfaces (1) and vehicle CAN bus letter
Number connection, the signal output end of the CAN communication module (31) is connected with the signal input part of signal processing module (32), institute
The signal output end for stating signal processing module (32) is connected with the signal input part of usb communication module (33), the usb communication
The signal output end of module (33) is connected with the signal input part of central processing unit (4).
3. a kind of intelligent vehicle speed detection system according to claim 1 or 2, it is characterised in that：
The central processing unit (4) includes：Vehicle signal receiving module (41), sensor signal receiving module (42) and speed pair
Than unit (43), the signal input part of the vehicle signal receiving module (41) and usb communication module in diagnosis adapter (3)
(33) signal output end is connected, signal output end and the speed comparison unit (43) of the vehicle signal receiving module (41)
Signal input part be connected, the signal input part of the sensor signal receiving module (42) is connected with usb communication device (7)
It connects, the signal output end of the sensor signal receiving module (42) is connected with the signal input part of speed comparison unit (43)
It connects, the signal output end of the speed comparison unit (43) is connect with printer (8), display (9) signal respectively.
4. a kind of intelligent vehicle speed detection system according to claim 3, it is characterised in that：
The display (9) is touch screen displays.
5. a kind of intelligent vehicle speed detection system according to claim 3, it is characterised in that：
The central processing unit (4) further includes：Storage unit (44), the storage unit (44) are believed with speed comparison unit (43)
Number connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038904.7U CN207964872U (en) | 2018-01-10 | 2018-01-10 | Intelligent vehicle speed detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820038904.7U CN207964872U (en) | 2018-01-10 | 2018-01-10 | Intelligent vehicle speed detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207964872U true CN207964872U (en) | 2018-10-12 |
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| CN201820038904.7U Active CN207964872U (en) | 2018-01-10 | 2018-01-10 | Intelligent vehicle speed detection system |
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