CN203349849U - Driving test cake magnetic induction sensor detection device - Google Patents
Driving test cake magnetic induction sensor detection device Download PDFInfo
- Publication number
- CN203349849U CN203349849U CN 201320444000 CN201320444000U CN203349849U CN 203349849 U CN203349849 U CN 203349849U CN 201320444000 CN201320444000 CN 201320444000 CN 201320444000 U CN201320444000 U CN 201320444000U CN 203349849 U CN203349849 U CN 203349849U
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- circuit
- magnetic induction
- cake
- pressure signal
- induction sensor
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Abstract
The utility model provides a driving test cake magnetic induction sensor detection device comprising a cake sensor device housing and a magnetic induction sensor circuit; the magnetic induction sensor circuit comprises a microprocessor chip, a DC voltage inversion circuit, a vibration signal acquisition circuit, a pressure signal amplification circuit, a pressure signal acquisition circuit, a silicon tube, a gas circuit joint and a ground air pressure induction device; the microprocessor chip is respectively connected with the DC voltage inversion circuit, the vibration signal acquisition circuit and the pressure signal amplification circuit through pins; an output end of the pressure signal acquisition circuit is connected with the pressure signal amplification circuit, and an input end of the pressure signal acquisition circuit is connected with the silicon tube; the silicon tube is connected with the gas circuit joint; the gas circuit joint is connected with the ground air pressure induction device. The advantages are that double measurements of vibration detection and pressure detection are employed to inspect the cake detection in which a tested vehicle passes continuous obstacles; sensitivity is very high, and evaluation accuracy of the cake examination are double checked.
Description
Technical field
The utility model relates to technical field of sensor manufacture, is specifically related to a kind of driving test cake magnetic induction sensor pick-up unit.
Background technology
The cake road is one driving school's examination program, because being provided with the roadblock of cake shape, gains the name, and has very detailed scoring system.The Yuan Bing ﹐ vehicle that is provided with 6 projections that staggers on road surface will pass through continuously on 6 cakes.Vehicle can not be pressed on cake, also must not the grazing cake; Wheel can not exceed or press the edge line of road both sides.
In existing cake examination, the cake pick-up unit, check sensitivity is lower, detects effect unstable, easily causes erroneous judgement.
Summary of the invention
The problem existed according to prior art, the utility model provides a kind of driving test cake magnetic induction sensor pick-up unit, and this device has the advantages such as stability and high sensitivity.
In order to solve the problems of the technologies described above, the technical scheme that the utility model is realized is as follows:
A kind of driving test cake magnetic induction sensor pick-up unit, comprise cake sensor device shell and magnetic induction sensor circuit, the magnetic induction sensor circuit is set in described sensor outer housing, the magnetic induction sensor circuit comprises microprocessor chip, DC voltage conversion circuit, the vibration signal Acquisition Circuit, the pressure signal amplifying circuit, the pressure signal Acquisition Circuit, silicone tube, gas path joint and surface pressure induction installation, described microprocessor chip by pin respectively and DC voltage conversion circuit, the vibration signal Acquisition Circuit, the pressure signal amplifying circuit connects, pressure signal Acquisition Circuit output terminal is connected with the pressure signal amplifying circuit, described pressure signal Acquisition Circuit input end is connected with silicone tube, described silicone tube is connected with gas path joint, gas path joint connects the surface pressure induction installation.
Optimize, described surface pressure induction installation adopts gas flow tube, surface-based cake top.
Optimize, described microprocessor chip is the Hall microprocessor chip.
Optimize, described silicone tube internal diameter is 2.5mm, and external diameter is 5mm.
Optimize, described gas path joint is medical gas path joint.
The utility model has following outstanding advantage and effect compared to prior art:
This driving test cake magnetic induction sensor pick-up unit has improved the stability of by cake, taking an examination and detecting, and driving test cake magnetic induction sensor pick-up unit can accurately judge that whether examination vehicle is smoothly by the cake detection of continuous obstacle; Driving test cake magnetic induction sensor pick-up unit detects examination vehicle by the cake detection of continuous obstacle by shock detection and the dual tolerance of pressure detection, and sensitivity is very high, the dual judge accuracy of guaranteeing the cake examination.
The accompanying drawing explanation
The schematic block circuit diagram that Fig. 1 is a kind of driving test cake magnetic induction sensor pick-up unit described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is done further and explained.
As shown in Figure 1, a kind of driving test cake magnetic induction sensor pick-up unit of the present utility model, be arranged in cake, comprise cake sensor device shell and magnetic induction sensor circuit, the magnetic induction sensor circuit is set in described sensor outer housing, and the magnetic induction sensor circuit comprises microprocessor chip, DC voltage conversion circuit, vibration signal Acquisition Circuit, pressure signal amplifying circuit, pressure signal Acquisition Circuit, silicone tube and gas path joint.Described microprocessor chip is connected with DC voltage conversion circuit, vibration signal Acquisition Circuit, pressure signal amplifying circuit respectively by pin, and pressure signal Acquisition Circuit output terminal is connected with the pressure signal amplifying circuit.
Microprocessor chip is the Hall microprocessor chip, and sensitivity is adjustable, is applicable to all vehicles.
Described pressure signal Acquisition Circuit input end is connected with silicone tube, and described silicone tube is connected with gas path joint, and gas path joint connects the surface pressure induction installation.
During use, the surface pressure induction installation adopts gas flow tube, surface-based cake top, when vehicle is pressed on cake or the grazing cake, because gas flow tube is connected with the pressure signal Acquisition Circuit by gas path joint and silicone tube, the pressure signal Acquisition Circuit can collect this signal, and after amplifying signal, the pressure signal amplifying circuit is delivered to microprocessor chip, when vehicle is pressed cake, cake will inevitably produce and tremble, cake trembles and can drive the vibrations (the magnetic induction sensor pick-up unit is fixed in cake inside) of whole magnetic induction sensor pick-up unit, thereby generation vibration signal, the signal of vehicle vibrations is delivered to microprocessor chip by the vibration signal Acquisition Circuit, these information that microprocessor chip will gather are delivered to the place master controller, thereby accurately judge that whether examination vehicle is smoothly by the cake detection of continuous obstacle.
Optimize, the silicone tube internal diameter is 2.5mm, and external diameter is 5mm, and gas path joint is medical gas path joint.
The above is preferred implementation of the present utility model; in the ken possessed those skilled in the art; under the prerequisite that does not break away from principle of the present utility model, can do some improvement and variation, these improvement and variation should be considered as protection domain of the present utility model.
Claims (5)
1. a driving test cake magnetic induction sensor pick-up unit, comprise cake sensor device shell and magnetic induction sensor circuit, it is characterized in that: the magnetic induction sensor circuit comprises microprocessor chip, DC voltage conversion circuit, the vibration signal Acquisition Circuit, the pressure signal amplifying circuit, the pressure signal Acquisition Circuit, silicone tube, gas path joint and surface pressure induction installation, described microprocessor chip by pin respectively and DC voltage conversion circuit, the vibration signal Acquisition Circuit, the pressure signal amplifying circuit connects, pressure signal Acquisition Circuit output terminal is connected with the pressure signal amplifying circuit, described pressure signal Acquisition Circuit input end is connected with silicone tube, described silicone tube is connected with gas path joint, gas path joint connects the surface pressure induction installation.
2. driving test cake magnetic induction sensor pick-up unit according to claim 1, is characterized in that: described surface pressure induction installation employing gas flow tube, surface-based cake top.
3. driving test cake magnetic induction sensor pick-up unit according to claim 1, it is characterized in that: described microprocessor chip is the Hall microprocessor chip.
4. driving test cake magnetic induction sensor pick-up unit according to claim 1, it is characterized in that: described silicone tube internal diameter is 2.5mm, external diameter is 5mm.
5. driving test cake magnetic induction sensor pick-up unit according to claim 1, it is characterized in that: described gas path joint is medical gas path joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320444000 CN203349849U (en) | 2013-07-24 | 2013-07-24 | Driving test cake magnetic induction sensor detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320444000 CN203349849U (en) | 2013-07-24 | 2013-07-24 | Driving test cake magnetic induction sensor detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203349849U true CN203349849U (en) | 2013-12-18 |
Family
ID=49749737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320444000 Expired - Fee Related CN203349849U (en) | 2013-07-24 | 2013-07-24 | Driving test cake magnetic induction sensor detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203349849U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405331A (en) * | 2015-11-30 | 2016-03-16 | 四川诚品电子商务有限公司 | Integrated intelligent driving test system |
-
2013
- 2013-07-24 CN CN 201320444000 patent/CN203349849U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405331A (en) * | 2015-11-30 | 2016-03-16 | 四川诚品电子商务有限公司 | Integrated intelligent driving test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20131218 Termination date: 20150724 |
|
| EXPY | Termination of patent right or utility model |