CN204241506U - Drum-type velometer inspecting stand measurement mechanism - Google Patents
Drum-type velometer inspecting stand measurement mechanism Download PDFInfo
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- CN204241506U CN204241506U CN201420824300.7U CN201420824300U CN204241506U CN 204241506 U CN204241506 U CN 204241506U CN 201420824300 U CN201420824300 U CN 201420824300U CN 204241506 U CN204241506 U CN 204241506U
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Abstract
Drum-type velometer inspecting stand measurement mechanism, relates to drum-type velometer inspecting stand fields of measurement.There is misalignment, device aging, fluctuation of service, affect the problem of surveying work efficiency in the calibrating instrument solving current drum-type velometer check-out console.Measuring wheel and speed of a motor vehicle platform cylinder are connected with a joggle, photoelectric measure speeding sensor to be fixed on measuring wheel and coaxial, the tachometer signal output terminal of photoelectric measure speeding sensor is connected with the tachometer signal input end of amplification and rectification circuit, the tachometer signal output terminal of amplification and rectification circuit is connected with the tachometer signal input end of data acquisition circuit, the tachometer signal output terminal of data acquisition circuit is connected with the data signal input of data processing circuit, the data signal output of data processing circuit is connected with the data signal input of data transmission circuit, the data signal output of data transmission circuit is connected with the data signal input of radio communication circuit.The utility model is applicable to measure drum-type velometer inspecting stand.
Description
Technical field
The utility model relates to drum-type velometer inspecting stand fields of measurement.
Background technology
Motor vehicle speed table is the important ingredient of motor vehicle, is one of emphasis of automobile safety Performance Detection.Whether velometer is accurately directly connected to the life security of driver and other staff.At present, the important measurement instrument that drum-type velometer check-out console is traffic police, traffic department and motor vehicles manufacture, repairing trades detect velometer is one of main checkout equipment of motor vehicle inspection station.Drum-type velometer check-out console is the compulsory verification measurement instrument of China's legal provisions, it is whether error of indication determination speedometer by detecting motor vehicle speed table conforms with the regulations requirement, to ensure accurately to indicate Vehicle Speed, so, velometer can be ensured accurately and reliably to the calibrating of check-out console.China has up to ten thousand speedometer inspection tables to need calibrating at present, needs to carry out periodic calibration every year with regard to having in Heilongjiang Province more than the check-out console of 200 vehicle inspection and test stations.There is demand in the testing agency in domestic each province, city to speedometer inspection table calibrating installation, and demand is greatly about about 150.But, the calibrating instrument of current China drum-type velometer check-out console is all old-fashioned calibrating instrument, there is the problems such as misalignment, device aging, fluctuation of service in instrument, some measuring instruments are then in dead status, manufacturer has not existed cannot keep in repair instrument, and this have impact on the calibration operation of China's drum-type velometer check-out console greatly.External velometer check-out console calibrating installation is not also sold at present at home, and external surveying instrument is very expensive, and after-sales service is loaded down with trivial details.Therefore, China's car test industry needs independent development drum-type velometer check-out console calibrating installation badly to ensure the accuracy of velometer check-out console, and then ensure the unification and accurately and reliably of speedometer value, avoid or reduce the generation of traffic hazard, guarantee people's life safety and legitimate rights and interests.
Utility model content
The utility model in order to the calibrating instrument solving current drum-type velometer check-out console be all old-fashioned calibrating instrument, there is the problem of misalignment, device aging, fluctuation of service in instrument, affect the problem of surveying work efficiency, propose a kind of drum-type velometer inspecting stand measurement mechanism.
Drum-type velometer inspecting stand measurement mechanism comprises measuring wheel, photoelectric measure speeding sensor, amplification and rectification circuit, data acquisition circuit, data processing circuit, data transmission circuit, radio communication circuit and smart machine, described measuring wheel and speed of a motor vehicle platform cylinder are connected with a joggle, photoelectric measure speeding sensor is fixed on the measuring wheel of drum-type velometer inspecting stand, and described photoelectric measure speeding sensor is coaxial with measuring wheel, the tachometer signal output terminal of photoelectric measure speeding sensor is connected with the tachometer signal input end of amplification and rectification circuit, the tachometer signal output terminal of amplification and rectification circuit is connected with the tachometer signal input end of data acquisition circuit, the tachometer signal output terminal of data acquisition circuit is connected with the data signal input of data processing circuit, the data signal output of data processing circuit is connected with the data signal input of data transmission circuit, the data signal output of data transmission circuit is connected with the data signal input of radio communication circuit, radio communication circuit and smart machine realize data by communication and transmit.
Beneficial effect: while speed of a motor vehicle platform drum rotating, measuring wheel is driven to rotate with same linear velocity, measuring wheel is fixedly connected with photoelectric measure speeding sensor coaxial rigid, the linear velocity of photoelectric measure speeding sensor is all equal with angular velocity with the linear velocity of measuring wheel with angular velocity, by measuring the linear velocity of photoelectric measure speeding sensor and angular velocity, the automatic measurement to drum-type velometer check-out console can be realized, by radio communication circuit data message is sent in smart machine and shows, technician can be made to understand measurement data in real time.
Accompanying drawing explanation
Fig. 1 is the principle schematic of drum-type speed inspecting stand measurement mechanism described in the utility model.
Embodiment
Embodiment one, composition graphs 1 illustrates this embodiment, drum-type velometer inspecting stand measurement mechanism described in this embodiment comprises measuring wheel 1, photoelectric measure speeding sensor 2, amplification and rectification circuit 3, data acquisition circuit 4, data processing circuit 5, data transmission circuit 6, radio communication circuit 7 and smart machine 8, described measuring wheel 1 is connected with a joggle with speed of a motor vehicle platform cylinder, photoelectric measure speeding sensor 2 is fixed on the measuring wheel 1 of drum-type velometer inspecting stand, and described photoelectric measure speeding sensor 2 is coaxial with measuring wheel 1, the tachometer signal output terminal of photoelectric measure speeding sensor 2 is connected with the tachometer signal input end of amplification and rectification circuit 3, the tachometer signal output terminal of amplification and rectification circuit 3 is connected with the tachometer signal input end of data acquisition circuit 4, the tachometer signal output terminal of data acquisition circuit 4 is connected with the data signal input of data processing circuit 5, the data signal output of data processing circuit 5 is connected with the data signal input of data transmission circuit 6, the data signal output of data transmission circuit 6 is connected with the data signal input of radio communication circuit 7, radio communication circuit 7 and smart machine 8 realize data by communication and transmit.
While speed of a motor vehicle platform drum rotating, measuring wheel 1 is driven to rotate with same linear velocity, measuring wheel is fixedly connected with photoelectric measure speeding sensor 2 coaxial rigid, the linear velocity of photoelectric measure speeding sensor 2 is all equal with angular velocity with the linear velocity of measuring wheel 1 with angular velocity, by measuring the linear velocity of photoelectric measure speeding sensor 2 and angular velocity, the measurement to drum-type velometer check-out console can be realized.
The difference of the drum-type velometer inspecting stand measurement mechanism described in embodiment two, this embodiment and embodiment one is, described photoelectric measure speeding sensor 2 adopts closed infraluminescence light source to realize.
The difference of the drum-type velometer inspecting stand measurement mechanism described in embodiment three, this embodiment and embodiment one is, it is 360 that described photoelectric measure speeding sensor 2 often transfers out umber of pulse, and maximum operation frequency is 14kHz.
Measuring speed of a motor vehicle check-out console error of indication point is 30km/h, 40km/h and 60km/h, according to check-out console cylinder
calculate, then linear velocity is 8333mm/s, 1111mm/s and 16667mm/s, angular velocity is 14.3r/s, 19.12r/s and 28.68r/s, in present embodiment, photoelectric measure speeding sensor 2 is often transferred out umber of pulse and is set to 360, maximum operation frequency is set to 14kHz, then the corresponding frequency of operation of error measure point is 4205Hz, 5606Hz and 8413Hz, by data processing circuit, frequency of operation Hz is converted to conventional km/h.
The difference of the drum-type velometer inspecting stand measurement mechanism described in embodiment four, this embodiment and embodiment one is, described data acquisition circuit 4 adopts NI9401 data collecting card to realize.
The difference of the drum-type velometer inspecting stand measurement mechanism described in embodiment five, this embodiment and embodiment one is, described data transmission circuit 6 adopts NI CDAQ-9174USB cabinet to realize.
The difference of the drum-type velometer inspecting stand measurement mechanism described in embodiment six, this embodiment and embodiment one is, it also comprises warning circuit 9, the alerting signal input end of described warning circuit 9 is connected with the alarm signal output ends of data processing circuit 5, and the alarm signal output ends of warning circuit 9 is connected with the alerting signal input end of radio communication circuit 7.
Claims (6)
1. drum-type velometer inspecting stand measurement mechanism, it is characterized in that, it comprises measuring wheel (1), photoelectric measure speeding sensor (2), amplification and rectification circuit (3), data acquisition circuit (4), data processing circuit (5), data transmission circuit (6), radio communication circuit (7) and smart machine (8), described measuring wheel (1) and speed of a motor vehicle platform cylinder are connected with a joggle, photoelectric measure speeding sensor (2) is fixed on measuring wheel (1), and described photoelectric measure speeding sensor (2) is coaxial with measuring wheel (1), the tachometer signal output terminal of photoelectric measure speeding sensor (2) is connected with the tachometer signal input end of amplification and rectification circuit (3), the tachometer signal output terminal of amplification and rectification circuit (3) is connected with the tachometer signal input end of data acquisition circuit (4), the tachometer signal output terminal of data acquisition circuit (4) is connected with the data signal input of data processing circuit (5), the data signal output of data processing circuit (5) is connected with the data signal input of data transmission circuit (6), the data signal output of data transmission circuit (6) is connected with the data signal input of radio communication circuit (7), radio communication circuit (7) and smart machine (8) realize data by communication and transmit.
2. drum-type velometer inspecting stand measurement mechanism according to claim 1, is characterized in that, described photoelectric measure speeding sensor (2) adopts closed infraluminescence light source to realize.
3. drum-type velometer inspecting stand measurement mechanism according to claim 1, it is characterized in that, it is 360 that described photoelectric measure speeding sensor (2) often transfers out umber of pulse, and maximum operation frequency is 14kHz.
4. drum-type velometer inspecting stand measurement mechanism according to claim 1, is characterized in that, described data acquisition circuit (4) adopts NI9401 data collecting card to realize.
5. drum-type velometer inspecting stand measurement mechanism according to claim 1, is characterized in that, described data transmission circuit (6) adopts NI CDAQ-9174USB cabinet to realize.
6. drum-type velometer inspecting stand measurement mechanism according to claim 1, it is characterized in that, it also comprises warning circuit (9), the alerting signal input end of described warning circuit (9) is connected with the alarm signal output ends of data processing circuit (5), and the alarm signal output ends of warning circuit (9) is connected with the alerting signal input end of radio communication circuit (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824300.7U CN204241506U (en) | 2014-12-22 | 2014-12-22 | Drum-type velometer inspecting stand measurement mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420824300.7U CN204241506U (en) | 2014-12-22 | 2014-12-22 | Drum-type velometer inspecting stand measurement mechanism |
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| Publication Number | Publication Date |
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| CN204241506U true CN204241506U (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420824300.7U Expired - Fee Related CN204241506U (en) | 2014-12-22 | 2014-12-22 | Drum-type velometer inspecting stand measurement mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843443A (en) * | 2017-12-14 | 2018-03-27 | 中国测试技术研究院 | Fifth wheel instrument detection means and system |
| CN107884206A (en) * | 2017-11-13 | 2018-04-06 | 佛山鑫进科技有限公司 | A kind of vehicle testing line process computer detection means |
-
2014
- 2014-12-22 CN CN201420824300.7U patent/CN204241506U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107884206A (en) * | 2017-11-13 | 2018-04-06 | 佛山鑫进科技有限公司 | A kind of vehicle testing line process computer detection means |
| CN107843443A (en) * | 2017-12-14 | 2018-03-27 | 中国测试技术研究院 | Fifth wheel instrument detection means and system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150401 Termination date: 20181222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |