CN206684940U - A kind of automotive internal drunk driving detection and alignment system - Google Patents
A kind of automotive internal drunk driving detection and alignment system Download PDFInfo
- Publication number
- CN206684940U CN206684940U CN201720261535.3U CN201720261535U CN206684940U CN 206684940 U CN206684940 U CN 206684940U CN 201720261535 U CN201720261535 U CN 201720261535U CN 206684940 U CN206684940 U CN 206684940U
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Abstract
The utility model discloses a kind of automotive internal drunk driving detection and alignment system, including it is arranged at the control panel of automotive interior and the single-chip microcomputer being arranged on control panel, vehicle power circuit, gas sensor circuit, temperature sensor circuit, GPS navigation voice warning circuit and LED display circuit.The utility model detection mode is simple and detection is accurate, by judging the possibility of drunk driving to multiple indexs such as alcohol concentration change and temperature changes, detection is more accurate, GPS navigation speech prompting system then can be by the drunk driving information transmission of detection to traffic police control centre, then lock drunk driving vehicle exactly by traffic police and carry out processing violating the regulations in time, effectively prevent potential potential safety hazard.
Description
Technical field
The utility model belongs to intelligent transportation drunk driving management system technical field, and in particular to a kind of automotive internal drunk driving inspection
Survey and alignment system.
Background technology
It is an important factor for causing today's society traffic accident to take place frequently to drive when intoxicated, and existing drunk driving detecting system is mainly
Some are arranged on Alcohol mental disorders instrument, sensor and car running computer in driver's cabin etc., by alcohol concentration in driver's cabin
Detected to control the ignition system of automobile.Existing drunk driving monitoring system is relatively low to the judgement success rate of drunk driving, detects ring
Section is frequent, and rate of false alarm is of a relatively high, and the normally travel to car owner causes influence to a certain extent.
The content of the invention
The utility model detects more accurate and energy to solve the problems, such as that current drunk driving detects the inaccurate one kind that provides
The automotive internal drunk driving detection being enough accurately positioned and alignment system.
The utility model adopts the following technical scheme that a kind of automotive internal drunk driving is detected and determined to solve above-mentioned technical problem
Position system, it is characterised in that including being arranged at the control panel of automotive interior and the single-chip microcomputer being arranged on control panel, vehicle-mounted
Power circuit, gas sensor circuit, temperature sensor circuit, GPS navigation voice warning circuit and LED display circuit, its
The pin AVCC of middle single-chip microcomputer is connected with the IN ends of vehicle power circuit and VCC, pin PB7 and the gas sensor electricity of single-chip microcomputer
One end connection at 4 ends on road, 6 ends of gas sensor and adjustable resistance R6, pin PD2 and the gas sensor circuit of single-chip microcomputer
2 ends, the OUT terminal of vehicle power circuit, GPS navigation voice warning circuit diode D1 positive pole and adjustable resistance R6 it is another
End connection, 1 end, 3 ends and 5 ends of gas sensor circuit pick up the GND ends for carrying power circuit, the pin PC7 of single-chip microcomputer jointly
It is connected with the positive pole of temperature sensor circuit, the negative pole of temperature sensor circuit meets adjustable resistance R1 one end, adjustable resistance R3
One end and amplifier 2 ends, adjustable resistance R1 another terminating resistor R2 one end, resistance R2 the other end ground connection, it is adjustable
Resistance R3 another terminating resistor R4 one end, resistance R4 1 end of another termination amplifier and electric capacity C2 one end, amplifier
3 terminating resistor R5 one end, the resistance R5 other end and electric capacity C2 common grounds, the pin PC3 and vehicle power of single-chip microcomputer
The negative pole connection of the OUT terminal and LED display circuit diode D4 of circuit, diode D4 negative pole and electric capacity C4 one end and electricity
R7 one end connection is hindered, the resistance R7 other end is connected with diode D6 positive pole, and electric capacity C4 and diode D6 negative poles connect jointly
Ground, pin PD5 and diode the D2 negative pole and diode D1 negative pole of single-chip microcomputer are connected, the pin GND ground connection of single-chip microcomputer, single
The pin PB4 of piece machine connects 2 ends and 7 ends of amplifier, and the pin PB3 of single-chip microcomputer meets 3 ends of amplifier, the pin PA4 of single-chip microcomputer
5 ends of amplifier are connect, the pin PA5 of single-chip microcomputer connects 1 end of amplifier, and the pin VCC of single-chip microcomputer connects 8 ends of amplifier, monolithic
The pin GND of machine connects 4 ends of amplifier, and the pin PB5 of single-chip microcomputer meets VCC, and GPS navigation voice warning circuit diode D2 is just
Pole is connected with triode Q2 colelctor electrode, triode Q2 emitter stage and triode Q1 emitter stage, diode D3 negative pole and
VCC connections, triode Q2 base stage are connected with one end of triode Q1 colelctor electrode and electric capacity C3, electric capacity the C3 other end and loudspeaker
One end is connected, and triode Q1 base stage is connected with resistance R8 one end, and diode D3 negative pole is connected with resistance R9 one end,
The other end common ground of the other end of loudspeaker, the resistance R8 other end and resistance R9.
The utility model has the advantages that compared with prior art：The utility model detection mode is simple and detects
Accurately, by judging the possibility of drunk driving to multiple indexs such as alcohol concentration change and temperature changes, detection is more accurate,
LED display can show the curve of alcohol concentration change and temperature change, and foundation, GPS navigation voice are provided for drunk driving inspection
Then the drunk driving information transmission of detection to traffic police control centre then can be locked drunk driving vehicle exactly simultaneously by prompt system by traffic police
Processing violating the regulations is carried out in time, effectively prevent potential potential safety hazard.
Brief description of the drawings
Fig. 1 is circuit connection diagram of the present utility model.
Embodiment
Particular content of the present utility model is described in detail with reference to accompanying drawing.As shown in figure 1, a kind of automotive internal drunk driving detection and
Alignment system, it is characterised in that including being arranged at the control panel of automotive interior and the single-chip microcomputer being arranged on control panel, car
Power circuit, gas sensor circuit, temperature sensor circuit, GPS navigation voice warning circuit and LED display circuit are carried,
The pin AVCC of wherein single-chip microcomputer is connected with the IN ends of vehicle power circuit and VCC, the pin PB7 and gas sensor of single-chip microcomputer
One end connection at 4 ends of circuit, 6 ends of gas sensor and adjustable resistance R6, pin PD2 and the gas sensor electricity of single-chip microcomputer
2 ends on road, the OUT terminal of vehicle power circuit, GPS navigation voice warning circuit diode D1 positive pole and adjustable resistance R6 it is another
One end connects, and 1 end, 3 ends and 5 ends of gas sensor circuit pick up the GND ends for carrying power circuit, the pin of single-chip microcomputer jointly
The positive pole of PC7 and temperature sensor circuit connects, and the negative pole of temperature sensor circuit connects adjustable resistance R1 one end, adjustable resistance
R3 one end and 2 ends of amplifier, adjustable resistance R1 another terminating resistor R2 one end, resistance R2 other end ground connection can
Adjust resistance R3 another terminating resistor R4 one end, resistance R4 1 end of another termination amplifier and electric capacity C2 one end, amplification
3 terminating resistor R5 of device one end, resistance the R5 other end and electric capacity C2 common grounds, the pin PC3 and vehicle mounted electric of single-chip microcomputer
The connection of the OUT terminal of source circuit and LED display circuit diode D4 negative pole, diode D4 negative pole and electric capacity C4 one end and
Resistance R7 one end connection, the resistance R7 other end are connected with diode D6 positive pole, and electric capacity C4 and diode D6 negative poles are common
Ground connection, pin PD5 and diode the D2 negative pole and diode D1 negative pole of single-chip microcomputer are connected, the pin GND ground connection of single-chip microcomputer,
The pin PB4 of single-chip microcomputer connects 2 ends and 7 ends of amplifier, and the pin PB3 of single-chip microcomputer connects 3 ends of amplifier, the pin of single-chip microcomputer
PA4 connects 5 ends of amplifier, and the pin PA5 of single-chip microcomputer connects 1 end of amplifier, and the pin VCC of single-chip microcomputer connects 8 ends of amplifier, single
The pin GND of piece machine connects 4 ends of amplifier, and the pin PB5 of single-chip microcomputer meets VCC, GPS navigation voice warning circuit diode D2's
Positive pole is connected with triode Q2 colelctor electrode, triode Q2 emitter stage and triode Q1 emitter stage, diode D3 negative pole
And VCC connections, triode Q2 base stage are connected with one end of triode Q1 colelctor electrode and electric capacity C3, the electric capacity C3 other end with
Loudspeaker one end is connected, and triode Q1 base stage is connected with resistance R8 one end, and diode D3 negative pole connects with resistance R9 one end
Connect, the other end common ground of the other end of loudspeaker, the resistance R8 other end and resistance R9.
The utility model using heater-type semiconductor gas sensor QM-NJ9, the gas sensor of this QM series be with
Metal composite oxide be material of main part N-type semiconductor air-sensitive component, when element contact alcohol vapour when, its electrical conductivity with
The increase of gas concentration increases and raised rapidly.For the temperature sensor that the utility model uses for AD590, AD590 is to utilize PN
Current-output type both ends temperature sensor made of the relation of forward current and temperature is saved, the device has good linear characteristic
And interchangeability, and measurement accuracy is higher.When temperature sensor AD 590 positive and negative polarities connect operating voltage, it can export one
An individual constant magnitude of current directly proportional to its local environment temperature value.Exactly utilize this characteristic, extraneous temperature signal
It is directly translated among current signal input circuit.The change of temperature is converted into the change of electric current and then by corresponding
The change of electric current is converted into the change of voltage by circuit.Next voltage is sent into corresponding amplification electric current again, necessarily compared
The amplification of example, obtains the voltage being of moderate size.Need to carry out a step filtering operation to the signal in circuit afterwards, filter out height
Frequency noise signal.So far, a voltage is had been obtained for, this voltage is obtained into a frequency and defeated by voltage-frequency converter
Enter the directly proportional square-wave signal of voltage.
The utility model carries out the amplification of signal power, to make peripheral cell minimum, set in voltage gain using LM386
20.Input is referred to status, while output end is by the half of automatic bias to supply voltage, under 6V supply voltages, it
Quiescent dissipation is only 24mW so that LM386 is especially suitable for battery powered occasion.Software is carried out using AT89c52 single-chip microcomputers
Analysis and Control, observes the change of alcohol concentration and temperature, and navigational voice prompts simultaneously can show alcohol concentration and temperature in LED screen
The variation diagram of degree, traffic police can carry out GPS location.
General principle of the present utility model, principal character and advantage has been shown and described above, it is new not departing from this practicality
On the premise of type spirit and scope, the utility model also has various changes and modifications, and these changes and improvements both fall within requirement and protected
The scope of the utility model of shield.
Claims (1)
1. a kind of automotive internal drunk driving detection and alignment system, it is characterised in that including be arranged at automotive interior control panel and
Single-chip microcomputer, vehicle power circuit, gas sensor circuit, temperature sensor circuit, the GPS navigation language being arranged on control panel
The pin AVCC of sound cue circuit and LED display circuit, wherein single-chip microcomputer is connected with the IN ends of vehicle power circuit and VCC,
The pin PB7 of single-chip microcomputer is connected with the one end at 4 ends of gas sensor circuit, 6 ends of gas sensor and adjustable resistance R6, single
The pin PD2 of piece machine and 2 ends of gas sensor circuit, the OUT terminal of vehicle power circuit, GPS navigation voice warning circuit two
The other end connection of pole pipe D1 positive pole and adjustable resistance R6,1 end, 3 ends and 5 ends of gas sensor circuit connect vehicle mounted electric jointly
The GND ends of source circuit, the pin PC7 of single-chip microcomputer and the positive pole of temperature sensor circuit connect, the negative pole of temperature sensor circuit
2 ends of adjustable resistance R1 one end, adjustable resistance R3 one end and amplifier are connect, adjustable resistance R1 another terminating resistor R2's
One end, resistance R2 other end ground connection, adjustable resistance R3 another terminating resistor R4 one end, resistance R4 another termination amplification
1 end of device and electric capacity C2 one end, 3 terminating resistor R5 of amplifier one end, resistance the R5 other end and electric capacity C2 connect jointly
Ground, the pin PC3 of single-chip microcomputer are connected with the negative pole of the OUT terminal of vehicle power circuit and LED display circuit diode D4, two poles
Pipe D4 negative pole is connected with electric capacity C4 one end and resistance R7 one end, and the resistance R7 other end connects with diode D6 positive pole
Connect, electric capacity C4 and diode D6 negative pole common grounds, the pin PD5 and diode D2 of single-chip microcomputer negative pole and bearing for diode D1
Pole connects, and the pin GND ground connection of single-chip microcomputer, the pin PB4 of single-chip microcomputer meets 2 ends and 7 ends of amplifier, the pin PB3 of single-chip microcomputer
3 ends of amplifier are connect, the pin PA4 of single-chip microcomputer connects 5 ends of amplifier, and the pin PA5 of single-chip microcomputer connects 1 end of amplifier, monolithic
The pin VCC of machine connects 8 ends of amplifier, and the pin GND of single-chip microcomputer connects 4 ends of amplifier, and the pin PB5 of single-chip microcomputer meets VCC,
GPS navigation voice warning circuit diode D2 positive pole is connected with triode Q2 colelctor electrode, triode Q2 emitter stage and three
Pole pipe Q1 emitter stage, diode D3 negative pole and VCC connections, triode Q2 base stage and triode Q1 colelctor electrode and electric capacity
C3 one end connection, the electric capacity C3 other end are connected with loudspeaker one end, and triode Q1 base stage is connected with resistance R8 one end, and two
Pole pipe D3 negative pole is connected with resistance R9 one end, and the other end of the other end of loudspeaker, the resistance R8 other end and resistance R9 is total to
With ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720261535.3U CN206684940U (en) | 2017-03-17 | 2017-03-17 | A kind of automotive internal drunk driving detection and alignment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720261535.3U CN206684940U (en) | 2017-03-17 | 2017-03-17 | A kind of automotive internal drunk driving detection and alignment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206684940U true CN206684940U (en) | 2017-11-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720261535.3U Expired - Fee Related CN206684940U (en) | 2017-03-17 | 2017-03-17 | A kind of automotive internal drunk driving detection and alignment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206684940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781527A (en) * | 2017-03-17 | 2017-05-31 | 河南师范大学 | A kind of automotive internal drunk driving detection and alignment system |
-
2017
- 2017-03-17 CN CN201720261535.3U patent/CN206684940U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781527A (en) * | 2017-03-17 | 2017-05-31 | 河南师范大学 | A kind of automotive internal drunk driving detection and alignment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 |