CN104064032A - Vehicle induction detection device based on microprocessor - Google Patents
Vehicle induction detection device based on microprocessor Download PDFInfo
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- CN104064032A CN104064032A CN201310088269.5A CN201310088269A CN104064032A CN 104064032 A CN104064032 A CN 104064032A CN 201310088269 A CN201310088269 A CN 201310088269A CN 104064032 A CN104064032 A CN 104064032A
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Abstract
The invention discloses a vehicle induction detection device based on a microprocessor. The vehicle induction detection device comprises an amplifier, the microprocessor, a potentiometer, a first capacitor, a second capacitor, a first MOS tube, a second MOS tube, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor and a tenth resistor. The invention relates to a vehicle detection device detection ground induction coil based on the microprocessor. The vehicle induction detection device has advantages of being simple in circuit structure, high in reliability and high in accuracy.
Description
Technical field
The present invention relates to a kind of pick-up unit, relate in particular to a kind of vehicle induction pick-up unit based on microprocessor.
Background technology
Along with the traffic data collection that develops rapidly of intelligent transportation industry has covered parking lot, street and highway on a large scale.By inductive coil detecting device, i.e. embedding toroidal inductor under road top layer, whether with mensuration inductance variation detection vehicle, exist is the domestic method of mainly taking, although ground induction coil is considered to relatively ripe at present vehicle detection apparatus, but there are a lot of shortcomings, such as in the installation process of coil, road surface can be destroyed on a large scale and construction and installation difficulty is larger, because ground induction coil is that multi-turn enameled wire is coiled into, it in effect, is an electric wave reception antenna, very easily be subject to the interference of external environment, in order to sense automobile, ground induction coil physical dimension is almost identical with automobile, easily cause two cars to be pressed on a coil simultaneously, cause undetected or duplicate detection.
Summary of the invention
Object of the present invention provides a kind of vehicle based on microprocessor simple in structure, that reliability is high, accuracy is high to respond to pick-up unit with regard to being in order to address the above problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes amplifier, microprocessor, potentiometer, the first electric capacity, the second electric capacity, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance and the tenth resistance, the high-triggering end of described microprocessor is connected with described the 8th first end of resistance and the signal output part of described amplifier respectively, the control end of described microprocessor is connected with the first end of described the tenth resistance, the first end of described the tenth resistance is the first voltage input end, the low triggering end of described microprocessor is connected with the grid of described the second metal-oxide-semiconductor with the grid of described the first metal-oxide-semiconductor respectively, the earth terminal ground connection of described microprocessor, the second end of described the 8th resistance is connected with described the 6th first end of resistance and the in-phase input end of described amplifier respectively, the reverse input end of described amplifier is connected with the first end of described the 9th resistance with the first end of described the 7th resistance respectively, the cathode output end of described amplifier is connected with the first end of described potentiometer, the first end ground connection of described potentiometer, the sliding end of described potentiometer is connected with the second end of described the 9th resistance, the second end of described potentiometer is circuit external connection end, the second end of described the 6th resistance is connected with the first end of described the 3rd resistance with the first end of described the first resistance respectively, the second end of described the 7th resistance is connected with the first end of described the 4th resistance with the first end of described the second resistance respectively, the second end of described the first resistance is connected with the second end of described the second resistance, the second end of described the first resistance is second voltage input end, the second end of described the 3rd resistance is connected with the first end of described the 5th resistance with the second end of described the 4th resistance respectively, the second end ground connection of described the 3rd resistance, the second end of described the 5th resistance is connected with the first end of described the first electric capacity, the second end of described the first resistance is connected with the drain electrode of described the second metal-oxide-semiconductor with the drain electrode of described the first metal-oxide-semiconductor respectively, the source ground of described the second metal-oxide-semiconductor, the source electrode of described the first metal-oxide-semiconductor is connected with the first end of described the second electric capacity with the second end of described the tenth resistance respectively, the second end ground connection of described the second electric capacity.
Beneficial effect of the present invention is:
The present invention relates to a kind of vehicle detection apparatus based on microprocessor and detect ground induction coil; The present invention has advantages of that circuit structure is simple, reliability is high and accuracy is high.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the vehicle induction pick-up unit based on microprocessor of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
The present invention includes amplifier U, microprocessor IC, potentiometer RP, the first capacitor C 1, the second capacitor C 2, the first metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9 and the tenth resistance R 10, the high-triggering end of microprocessor IC is connected with the signal output part of amplifier U with the first end of the 8th resistance R 8 respectively, the control end of microprocessor IC is connected with the first end of the tenth resistance R 10, the first end of the tenth resistance R 10 is the first voltage input end, the low triggering end of microprocessor IC is connected with the grid of the second metal-oxide-semiconductor M2 with the grid of the first metal-oxide-semiconductor M1 respectively, the earth terminal ground connection of microprocessor IC, the second end of the 8th resistance R 8 is connected with the in-phase input end of amplifier U with the first end of the 6th resistance R 6 respectively, the reverse input end of amplifier U is connected with the first end of the 9th resistance R 9 with the first end of the 7th resistance R 7 respectively, the cathode output end of amplifier U is connected with the first end of potentiometer RP, the first end ground connection of potentiometer RP, the sliding end of potentiometer RP is connected with the second end of the 9th resistance R 9, the second end of potentiometer RP is circuit external connection end, the second end of the 6th resistance R 6 is connected with the first end of the 3rd resistance R 3 with the first end of the first resistance R 1 respectively, the second end of the 7th resistance R 7 is connected with the first end of the 4th resistance R 4 with the first end of the second resistance R 2 respectively, the second end of the first resistance R 1 is connected with the second end of the second resistance R 2, the second end of the first resistance R 1 is second voltage input end, the second end of the 3rd resistance R 3 is connected with the first end of the 5th resistance R 5 with the second end of the 4th resistance R 4 respectively, the second end ground connection of the 3rd resistance R 3, the second end of the 5th resistance R 5 is connected with the first end of the first capacitor C 1, the second end of the first resistance R 1 is connected with the drain electrode of the second metal-oxide-semiconductor M2 with the drain electrode of the first metal-oxide-semiconductor M1 respectively, the source ground of the second metal-oxide-semiconductor M2, the source electrode of the first metal-oxide-semiconductor M1 is connected with the first end of the second capacitor C 2 with the second end of the tenth resistance R 10 respectively, the second end ground connection of the second capacitor C 2.
Claims (1)
1. the vehicle based on microprocessor is responded to pick-up unit, it is characterized in that: comprise amplifier, microprocessor, potentiometer, the first electric capacity, the second electric capacity, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance and the tenth resistance, the high-triggering end of described microprocessor is connected with described the 8th first end of resistance and the signal output part of described amplifier respectively, the control end of described microprocessor is connected with the first end of described the tenth resistance, the first end of described the tenth resistance is the first voltage input end, the low triggering end of described microprocessor is connected with the grid of described the second metal-oxide-semiconductor with the grid of described the first metal-oxide-semiconductor respectively, the earth terminal ground connection of described microprocessor, the second end of described the 8th resistance is connected with described the 6th first end of resistance and the in-phase input end of described amplifier respectively, the reverse input end of described amplifier is connected with the first end of described the 9th resistance with the first end of described the 7th resistance respectively, the cathode output end of described amplifier is connected with the first end of described potentiometer, the first end ground connection of described potentiometer, the sliding end of described potentiometer is connected with the second end of described the 9th resistance, the second end of described potentiometer is circuit external connection end, the second end of described the 6th resistance is connected with the first end of described the 3rd resistance with the first end of described the first resistance respectively, the second end of described the 7th resistance is connected with the first end of described the 4th resistance with the first end of described the second resistance respectively, the second end of described the first resistance is connected with the second end of described the second resistance, the second end of described the first resistance is second voltage input end, the second end of described the 3rd resistance is connected with the first end of described the 5th resistance with the second end of described the 4th resistance respectively, the second end ground connection of described the 3rd resistance, the second end of described the 5th resistance is connected with the first end of described the first electric capacity, the second end of described the first resistance is connected with the drain electrode of described the second metal-oxide-semiconductor with the drain electrode of described the first metal-oxide-semiconductor respectively, the source ground of described the second metal-oxide-semiconductor, the source electrode of described the first metal-oxide-semiconductor is connected with the first end of described the second electric capacity with the second end of described the tenth resistance respectively, the second end ground connection of described the second electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310088269.5A CN104064032A (en) | 2013-03-19 | 2013-03-19 | Vehicle induction detection device based on microprocessor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310088269.5A CN104064032A (en) | 2013-03-19 | 2013-03-19 | Vehicle induction detection device based on microprocessor |
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| CN104064032A true CN104064032A (en) | 2014-09-24 |
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| CN201310088269.5A Pending CN104064032A (en) | 2013-03-19 | 2013-03-19 | Vehicle induction detection device based on microprocessor |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5757288A (en) * | 1996-05-02 | 1998-05-26 | Mitron Systems Corporation | Vehicle detector system and method |
| CN101110161A (en) * | 2007-08-31 | 2008-01-23 | 北京科技大学 | System for automatic cab model recognition and automatic vehicle flowrate detection and method thereof |
| CN201311713Y (en) * | 2008-12-03 | 2009-09-16 | 北京宏德信智源信息技术有限公司 | Multifunctional intelligent detecting sensor of traffic vehicles |
| CN101751787A (en) * | 2008-12-03 | 2010-06-23 | 北京宏德信智源信息技术有限公司 | Multifunctional vehicle intelligent testing sensor and testing method thereof |
| CN101908278A (en) * | 2010-08-09 | 2010-12-08 | 北京交通发展研究中心 | Wireless magnetic induction intensity vehicle detection method and device |
| JP2011065247A (en) * | 2009-09-15 | 2011-03-31 | Miki Giken:Kk | Loop-coil type metal object detector and loop coil installation method |
| KR20120124090A (en) * | 2011-05-03 | 2012-11-13 | 이수열 | System for reconizing used magnetic spectrum |
| CN203165222U (en) * | 2013-03-19 | 2013-08-28 | 成都凯智科技有限公司 | Microprocessor-based vehicle inductive detection device |
-
2013
- 2013-03-19 CN CN201310088269.5A patent/CN104064032A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5757288A (en) * | 1996-05-02 | 1998-05-26 | Mitron Systems Corporation | Vehicle detector system and method |
| CN101110161A (en) * | 2007-08-31 | 2008-01-23 | 北京科技大学 | System for automatic cab model recognition and automatic vehicle flowrate detection and method thereof |
| CN201311713Y (en) * | 2008-12-03 | 2009-09-16 | 北京宏德信智源信息技术有限公司 | Multifunctional intelligent detecting sensor of traffic vehicles |
| CN101751787A (en) * | 2008-12-03 | 2010-06-23 | 北京宏德信智源信息技术有限公司 | Multifunctional vehicle intelligent testing sensor and testing method thereof |
| JP2011065247A (en) * | 2009-09-15 | 2011-03-31 | Miki Giken:Kk | Loop-coil type metal object detector and loop coil installation method |
| CN101908278A (en) * | 2010-08-09 | 2010-12-08 | 北京交通发展研究中心 | Wireless magnetic induction intensity vehicle detection method and device |
| KR20120124090A (en) * | 2011-05-03 | 2012-11-13 | 이수열 | System for reconizing used magnetic spectrum |
| CN203165222U (en) * | 2013-03-19 | 2013-08-28 | 成都凯智科技有限公司 | Microprocessor-based vehicle inductive detection device |
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Application publication date: 20140924 |