CN203046902U - Vehicle-mounted alcohol concentration detector - Google Patents
Vehicle-mounted alcohol concentration detector Download PDFInfo
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- CN203046902U CN203046902U CN 201220736719 CN201220736719U CN203046902U CN 203046902 U CN203046902 U CN 203046902U CN 201220736719 CN201220736719 CN 201220736719 CN 201220736719 U CN201220736719 U CN 201220736719U CN 203046902 U CN203046902 U CN 203046902U
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Abstract
The utility model relates to a vehicle-mounted alcohol concentration detector which is connected with a vehicle lamp circuit of a vehicle, a horn circuit and a firing circuit. The vehicle-mounted alcohol concentration detector comprises a signal sending device and a signal processing device. The signal sending device comprises a first central processing unit, a signal collecting module and a signal projector. The signal projector and the signal collecting module are respectively connected with the first central processing unit in a communicating module. The signal processing device comprises a second central processing unit, a drive circuit, an alarming circuit and a signal receiver. The drive circuit, the alarming circuit and the signal receiver are respectively connected with the second central processing unit in a communicating mode. The vehicle-mounted alcohol concentration detector has the advantages of being small in the number of used components, low in cost, intelligent, capable of bringing convenience, rapid, simple in installation, easy to popularize, simple in realization, capable of satisfying design requirements, high in measurement accuracy, safe and reliable.
Description
Technical field
The utility model relates to detection and automation field, relates in particular to a kind of vehicle-mounted alcohol concentration detector.
Background technology
The multiple alert alcohol tester of using is arranged in the market, along with the development function of technology is more and more, sensitivity is more and more higher, whether it can assist the traffic police to fix a point to spot-check chaufeur to drink, but enforcement face is too narrow, can only tackle artificial selective examination, not possess comprehensively, detecting device in real time.Traffic management system lacks the ladder of management that science is provided, and can't stop the generation of drunk driving.
Summary of the invention
The utility model purpose is to overcome the deficiency of above prior art, and a kind of survey precision height, safe and reliable vehicle-mounted alcohol concentration detector are provided, and specifically has following technical scheme to realize:
Described vehicle-mounted alcohol concentration detector, car light circuit with automobile, horn circuit and firing circuit connect, comprise sender unit and signal processor unit, described sender unit comprises first central processing unit, signal acquisition module and signal projector, described signal projector and signal acquisition module communicate to connect with first central processing unit respectively, described signal processor unit comprises second central processing unit, driving circuit, warning circuit and signal receiver, described driving circuit, warning circuit and signal receiver communicate to connect with described second central processing unit respectively.
The further design of described detector is, described signal acquisition module comprises the alcohol probe, microphone, D and A converter, first, second aerotron, display circuit and resistive heater, described microphone is connected with first central processing unit and display circuit by first aerotron, the alcohol probe is connected with first central processing unit by D and A converter, is provided with described resistive heater in the described alcohol probe, and resistive heater is connected with second aerotron.
The further design of described detector is, the collecting electrode of described first aerotron is connected with first central processing unit and display circuit respectively, described display circuit comprises three demonstration branch roads and a control branch road, be respectively equipped with an indicator lamp in described each demonstration branch road, described control branch road is connected with second aerotron.
The further design of described detector is that the base stage of described second aerotron is connected with described first central processing unit, and the collecting electrode of second aerotron is connected with described resistive heater.
The further design of described detector is that described signal processor unit also comprises working station indicator, and described working station indicator is connected with second central processing unit.
The further design of described detector is, described driving circuit is by three driving branch roads and connect and form, drive branch road respectively with the car light circuit, horn circuit and firing circuit connect, each drives route one relay and an aerotron is formed, described relay is connected with the collecting electrode of described aerotron, and the base stage of described aerotron is connected with described second central processing unit respectively, and the signal input part of the controlled switch of relay connects with the corresponding port of second central processing unit respectively.
The further design of described detector is that described warning circuit comprises speech chip and buzzer phone, and described buzzer phone is connected with speech chip, and described speech chip is connected with described second central processing unit.
Advantage of the present utility model is as follows:
Described detector uses element few, and cost is low, and intelligence is convenient, and installation is simple, easily promotes, realize simply meeting design requirement, and the survey precision height, safe and reliable.This detector is controlled the function of driving when intoxicated except playing, and its transmitting apparatus increases the number of code when transmission code, the feasible equipment that is installed on the different automobiles, receive corresponding code, this just requires transmitter and the reception facilities must be corresponding one by one, plays anti-theft locking function.
Description of drawings
Fig. 1 is the structural representation of described vehicle-mounted alcohol concentration detector.
Fig. 2 is the microphone of described sender unit and the circuit diagram of display circuit.
Fig. 3 is first central processing unit of described sender unit and the circuit diagram of detection module.
Fig. 4 is second central processing unit of described signal processor unit and the circuit diagram of speech chip.
Fig. 5 is the circuit diagram of the driving circuit of described signal processor unit.
The specific embodiment
Below in conjunction with accompanying drawing the utility model scheme is elaborated.
Contrast Fig. 1-5, the vehicle-mounted alcohol concentration detector that the utility model provides, car light circuit with automobile, horn circuit and firing circuit connect, comprise sender unit and signal processor unit, sender unit comprises first central processing unit, signal acquisition module and signal projector, signal projector and signal acquisition module communicate to connect with first central processing unit respectively, signal processor unit comprises second central processing unit, driving circuit, warning circuit and signal receiver, driving circuit, warning circuit and signal receiver communicate to connect with second central processing unit respectively.First, second central processing unit is the 89C2051 micro controller system in the present embodiment, and signal projector is the F04E transmitter module, and signal receiver is J04H receiver module (among the figure for drawing).F04E and J04H are highly sensitive, in 50 meters of the transmitting ranges, and low-power consumption.
In the sender unit, signal acquisition module comprises alcohol probe, microphone, D and A converter, the first aerotron Q2, the second aerotron Q6, display circuit and resistive heater.Microphone is connected with 89C2051 and display circuit by Q2.The collecting electrode of Q2 is connected with P3.2 mouth and the display circuit of 89C2051 respectively.Display circuit comprises three demonstration branch roads and a control branch road.Be respectively equipped with an indicator lamp in each demonstration branch road, it is yellow, green, red that the color of indicator lamp is respectively.The control branch road is connected with the base stage of Q6.In the present embodiment, the alcohol probe adopts the QM-J3 gas sensor, QM-J3 is to be the N-type semiconductor gas sensor of material of main part with the composite metal oxide, when element contact alcohol vapour, its conductivity increases with gas concentration and raises rapidly, and it is to gasoline vapor antijamming capability again, highly sensitive, speed of response is good, and the life-span is long, and working stability is reliable.The alcohol probe is connected with 89C2051 by D and A converter, is provided with resistive heater in the alcohol probe, is used for to the heating of alcohol probe, and more high sensitivity is more high for the temperature of alcohol probe.The base stage of Q6 is connected with 89C2051, and the collecting electrode of Q6 is connected with resistive heater.
Blow to microphone, the signal of generation flows to the P3.2 of micro controller system through aerotron Q2, and micro controller system judges whether to blow.The heating of micro controller system P1.4 control alcohol probe, P1.4 is high level, the conducting of aerotron Q3 collector and emitter, the alcohol probe begins heating, otherwise stops heating.Detected alcohol content current potential passes to the P1.0 mouth, and VREF (Voltage Reference) passes to the P1.1 mouth.By the potential comparator of micro controller system, judge two current potentials height, make corresponding operating.P1.5, P1.6, P1.7 are respectively with red, and be green, and amber light links to each other.When the P1.0 mouth was low than P1.1 mouth current potential, lamp was bright; Otherwise lamp goes out.P3.1 links to each other with 3 ends of signal projector, and the signal that micro controller system will be launched oral instructions is thus given signal processor unit.
In the signal processor unit, driving circuit is by three driving branch roads and connect and form, and each drives route one relay and aerotron composition, is respectively J1 as three relays of figure, J2, and three aerotrons of J3 are respectively Q1, Q3, Q4.J1, J2, J3 respectively with Q1, Q3, the collecting electrode of Q4 correspondence is corresponding to be connected, Q1, Q3, the base stage of Q4 is connected with the P1.6 mouth of the second central processing unit 89C2051 respectively.J1, the signal input part of the controlled switch of J2 are connected with the P1.0 mouth of 89C2051 respectively, and the signal input part of the controlled switch of J3 is connected with the power end of speech chip.J1, J2, the signal output part of J3 controlled switch respectively with the car light circuit, horn circuit and firing circuit connect.Signal processor unit also comprises working station indicator (not drawing among the figure), and working station indicator is connected with second central processing unit.Warning circuit comprises speech chip and buzzer phone, and buzzer phone is connected with speech chip, and speech chip is connected with second central processing unit.
Signal processor unit is received signal, passes to the P3.0 mouth of 89C2051 from the J04H receiver module, and micro controller system internal condition signal is made different peripheral operations.The P3.4 of 89C2051, P3.5 links to each other with 3 ends, 4 ends of speech chip.Any one sends impulse singla when these two pins, and loudspeaker all can sounding.Different pins send alternative sounds.P1.2, P1.6, P1.7 be control relay J1, J2, J3 respectively.When P1.2 puts lowly, 12V power lead and P3 disconnect; Otherwise, connect.In like manner P1.6, P1.7.P3.7 control P2 port is put when high, and the external modulation that links to each other with P2 is bright; Otherwise, go out.
By above embodiment, chaufeur when start a car, start signal sending set at first, the bright explanation sender unit of red light is started working; The bright explanation alcohol of green light probe temperature is suitable afterwards, can blow; After blowing (the real air blowing), amber light is bright, and micro controller system judges whether alcohol content exceeds standard, and the coded signal of generation is issued signal projector by serial ports, and it issues signal processor unit with wireless system.Be demodulated into coded signal after signal processor unit is received and pass to second central processing unit by serial ports, it makes corresponding operating according to different sign indicating numbers.If exceed standard, alarm sound prompting, ignition device disconnect, Der Scheinwerfer mit FernlichtAbblendlichtStandlicht is bright, loudspeaker are loud; Otherwise allow to start automobile, thereby realize the function that control is after drinking driven.The alcohol concentration detector that the utility model provides can actv. prevents from driving when intoxicated and causes the danger of traffic accident.If the driver starts by force, when start a car moment, a high potential signal passes in the micro controller system, and micro controller system judges that thus whether chaufeur is at start a car.Micro controller system begins control relay, relay switch point of cutoff fire device power supply after 30 seconds, and automobile can't travel, thereby realizes the function that control is after drinking driven.
Claims (7)
1. vehicle-mounted alcohol concentration detector, car light circuit with automobile, horn circuit and firing circuit connect, comprise sender unit and signal processor unit, described sender unit comprises first central processing unit, signal acquisition module and signal projector, described signal projector and signal acquisition module communicate to connect with first central processing unit respectively, described signal processor unit comprises second central processing unit, driving circuit, warning circuit and signal receiver, described driving circuit, warning circuit and signal receiver communicate to connect with described second central processing unit respectively.
2. detector according to claim 1, it is characterized in that, described signal acquisition module comprises alcohol probe, microphone, D and A converter, first, second aerotron, display circuit and resistive heater, described microphone is connected with first central processing unit and display circuit by first aerotron, and the alcohol probe is connected with first central processing unit by D and A converter, be provided with described resistive heater in the described alcohol probe, resistive heater is connected with second aerotron.
3. detector according to claim 2, it is characterized in that, the collecting electrode of described first aerotron is connected with first central processing unit and display circuit respectively, described display circuit comprises three demonstration branch roads and a control branch road, be respectively equipped with an indicator lamp in described each demonstration branch road, described control branch road is connected with second aerotron.
4. detector according to claim 2 is characterized in that, the base stage of described second aerotron is connected with described first central processing unit, and the collecting electrode of second aerotron is connected with described resistive heater.
5. detector according to claim 1 is characterized in that, described signal processor unit also comprises working station indicator, and described working station indicator is connected with second central processing unit.
6. detector according to claim 1, it is characterized in that, described driving circuit is by three driving branch roads and connect and form, drive branch road respectively with the car light circuit, horn circuit and firing circuit connect, each drives route one relay and an aerotron is formed, described relay is connected with the collecting electrode of described aerotron, the base stage of described aerotron is connected with described second central processing unit respectively, and the signal input part of the controlled switch of relay connects with the corresponding port of second central processing unit respectively.
7. detector according to claim 1 is characterized in that, described warning circuit comprises speech chip and buzzer phone, and described buzzer phone is connected with speech chip, and described speech chip is connected with described second central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736719 CN203046902U (en) | 2012-12-28 | 2012-12-28 | Vehicle-mounted alcohol concentration detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736719 CN203046902U (en) | 2012-12-28 | 2012-12-28 | Vehicle-mounted alcohol concentration detector |
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|---|---|
| CN203046902U true CN203046902U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220736719 Expired - Fee Related CN203046902U (en) | 2012-12-28 | 2012-12-28 | Vehicle-mounted alcohol concentration detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859447A (en) * | 2015-06-03 | 2015-08-26 | 新创睿智（北京）科技有限公司 | Intelligent drunken driving voice alarm control system |
-
2012
- 2012-12-28 CN CN 201220736719 patent/CN203046902U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859447A (en) * | 2015-06-03 | 2015-08-26 | 新创睿智（北京）科技有限公司 | Intelligent drunken driving voice alarm control system |
| CN104859447B (en) * | 2015-06-03 | 2017-04-05 | 新创睿智（北京）科技有限公司 | Intelligent voice alarm control system of drivining a car under the influence of alcohol |
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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: 20130710 Termination date: 20141228 |
|
| EXPY | Termination of patent right or utility model |