CN101519041B - Drive forbidding system for detecting alcohol concentration from sweat - Google Patents
Drive forbidding system for detecting alcohol concentration from sweat Download PDFInfo
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- CN101519041B CN101519041B CN2009101034663A CN200910103466A CN101519041B CN 101519041 B CN101519041 B CN 101519041B CN 2009101034663 A CN2009101034663 A CN 2009101034663A CN 200910103466 A CN200910103466 A CN 200910103466A CN 101519041 B CN101519041 B CN 101519041B
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Abstract
The invention discloses a drive forbidding system for detecting alcohol concentration from sweat, which is characterized by comprising an alcohol detector (2), a master control circuit (3), an air pump (4), an ignition circuit (5) and an oil pump circuit (6), wherein the alcohol signal receiving end of the master control circuit (3) is connected with the signal output end of the alcohol detector (2) and receives an alcohol signal output by the alcohol detector (2); the air pump control end of the master control circuit (3) is connected with the air pump (4) and controls the operation of the air pump (4); and the firing control end and the oil pump control end of the master control circuit (3) are respectively connected with the firing circuit (5) and the oil pump circuit (6). The inventioncan implement the detection after drinking to each driver during the driving and ensure the safety travelling of vehicles.
Description
Technical field
The invention belongs to a kind of alcohol content checking system, be specifically related to a kind of after-drink driving-prohibition system that from the sweat of human finger, detects alcohol concentration.
Background technology
Therefore drive when intoxicated and cause traffic accident easily, be one of project of checking severely of traffic control department always.Detecting at present the method whether chaufeur drive when intoxicated is after the traffic police stops suspect vehicle, by detecting what of the alcohol content that contains in the gas that chaufeur breathes out, judges whether this chaufeur belongs to drive when intoxicated.This method of inspection is passive at random, unhygienic, cause cross-infection easily, impersonalityization, and can only in a certain period, detect the sub-fraction chaufeur, the chaufeur that the overwhelming majority drives when intoxicated all is not checked through, so narrow range of checking, and detect also just at just at the chaufeur of steering vehicle, can't accomplish to take precautions against in advance, can not fundamentally realize after-drink driving-prohibition to chaufeur.
The defective of prior art is: can only detect the chaufeur that sub-fraction is driven when intoxicated, the chaufeur that major part is driven when intoxicated all is not checked through, and scope of examination is very narrow, and when detecting, the drunken driving incident takes place, and can't accomplish to take precautions against in advance, and the possibility that traffic accident takes place is very big.
Summary of the invention
The objective of the invention is to propose a kind of taboo that from sweat, detects alcohol concentration and drive system, can before each chaufeur is driven, carry out the alcohol content inspection, the chaufeur taboo that alcohol content exceeds standard is driven, guarantee the safety traffic of vehicle chaufeur.
For achieving the above object, the invention provides a kind of taboo that from sweat, detects alcohol concentration and drive system, can from the sweat of human finger volatilization, detect alcohol concentration, its key is: include alcohol detector, main control circuit, air pump, firing circuit and oil pump circuit, the alcohol signal receiving end of described main control circuit connects the signal output part of alcohol detector, receive the alcohol signal of alcohol detector output, the air pump control end of main control circuit is connected with air pump, the work of control air pump, the Ignition Control end of main control circuit also is connected with the oil pump circuit with firing circuit respectively with the oil pump control end.
Gas suction alcohol detector in the sweat that air pump can come out the chaufeur finger is for the content of alcohol detector detection alcohol.The alcohol concentration that prestores in main control circuit threshold value has only the chaufeur by the alcohol content checking, could drive this vehicle.
The present invention also is provided with piston type sensing chamber, in this piston type sensing chamber bolt type piston is installed also, the front portion of this piston type sensing chamber is a test chamber, the rear portion is the motor room, in the described motor room motor is installed, the signal end of this motor is connected with the electric machine control end of described main control circuit, be fixed with gear on the output shaft of motor, the flank of tooth of this gear is meshed with the screw rod of described bolt type piston, the piston head of this bolt type piston stretches into described test chamber, soft-touch control is installed on the piston head, and this piston head also matches with the front opening of described test chamber;
The front opening place of described test chamber is equipped with the sealed silicon cushion rubber, this test chamber sidewall has the gas circuit through hole, this gas circuit through hole is through the admission port of plumbing connection at alcohol detector, the air extractor duct of this alcohol detector communicates with air pump, and this alcohol detector and air pump are fixed on the described piston type sensing chamber outer wall;
Described motor room inwall is equipped with first, second infrared receiving tube or power valve, and infrared transmitting tube or adoptor are installed on the described screw rod;
When described gear just changes, drive screw rod and advance and put in place, during the front opening applying of piston head and described test chamber, described infrared transmitting tube or adoptor are relative with described first infrared receiving tube or power valve;
When the counter-rotating of described gear, drive the screw rod worker and enter the position, screw rod is during near described motor locular wall, and described infrared transmitting tube or adoptor are relative with described second infrared receiving tube or power valve.
When car key powers on, the front opening place that motor return, piston head are positioned at test chamber closes test chamber, guarantees in the test chamber not contaminated.When forefinger is run into soft-touch control, machine operation, driven gear rotates, and bolt type piston is advanced backward, and when infrared receiving tube received the signal that infrared transmitting tube sends, motor quit work, and exposes test chamber, places finger for chaufeur.The sealed silicon cushion rubber can not only prevent effectively that the gas of outside from entering test chamber, also can prevent the gas leak in the test chamber, has guaranteed the accuracy of alcohol detection.
The present invention also includes the finger trigger circuit, described finger trigger circuit are made up of touch chip, electric capacity and first pull-up resistor, one end of described electric capacity also connects the first input end of described soft-touch control and touch chip, the other end of this electric capacity connects second input end of touch chip, the mouth of touch chip connects positive source through first pull-up resistor, and this mouth also connects the energizing signal receiving end of described main control circuit.
The finger trigger circuit are that capacitor induction type touches circuit.When finger was run into soft-touch control, touch chip output finger energizing signal was given main control circuit, and main control circuit sends control command immediately starts working motor.
In order in time to inform control step and checking result to chaufeur, the present invention also includes voice warning circuit, voice warning circuit is made up of speech chip and loud speaker, the signal receiving end of described speech chip connects the voice signal mouth of described main control circuit, and the mouth of this speech chip is connected with the loudspeaker signal end.
The content pre-edit of voice suggestion is good, is kept in the speech chip.
Described main control circuit comprises:
The device that is used for system initialization; Car key powers on, and enters system initialization: motor return, piston head are positioned at the front opening of test chamber.
Be used to judge whether the device of finger energizing signal; Promptly judged whether finger contact soft-touch control.
If no, then turn back to the described device that is used to judge whether the finger energizing signal; Judge repeatedly, up to the input of finger starting signal is arranged.
If have, then enter the device that is used for drive motor work; Machine operation, driven gear are rotated, make bolt type piston backward the worker advance.
Be used to judge whether the device of infrared signal input; Whether the worker enters the position promptly to judge screw rod, when infrared power valve with after adoptor is relative, send infrared signal.
If no, then turn back to the described device that is used to judge whether the infrared signal input; Judge that repeatedly the worker enters the position until screw rod.
If have, then enter and be used to control the out-of-work device of motor; Be that infrared transmitting tube is relative with adoptor, the screw rod worker enters the position, and motor quits work, and test chamber is exposed.
The device of wait time T1 is used to delay time; Wait for sufficiently long time T 1, can volatilize abundant gas with the finger sweat of chaufeur and detect for alcohol content and be as the criterion.
Be used to drive the device of air pump work; The gas that has this moment abundant chaufeur finger sweat to volatilize in the test chamber drives air pump and starts working, in the gas suction alcohol detector in the test chamber.
The device of wait time T2 is used to delay time; Air pump work a period of time T2, air feed pump are with abundant gas suction alcohol detector, so that alcohol detector analyzes alcohol content accurately, wait time is as the criterion so that abundant gas to be arranged in the alcohol detector.
Be used to control the out-of-work device of air pump; The air pump work-hours finishes, and air pump stops to bleed.
Be used to read the device of alcohol signal; Alcohol detector is sent detected alcohol concentration into main control circuit.
Be used to the device of judging whether alcohol content exceeds standard; Compare with alcohol content default in the main control circuit.
If alcohol content exceeds standard, then enter the overproof device of prompting; Voice suggestion, expression need to change chaufeur.
Turn back to the described device that is used for system initialization; At this moment, motor is return slowly, and the gas in the test chamber is released, and piston head is positioned at the front opening of test chamber.
If alcohol content does not exceed standard, then enter the device that prompt system is proved to be successful; Alcohol content does not exceed standard, and shows that this chaufeur do not drink, by checking.
The device that is used for drive ignition circuit and oil pump circuit working; Drive automotive ignition, drive oil pump work.
Be used for the device that system verification finishes.
Described alcohol detector is by the alcohol gas sensor, field effect transistor, zener diode, the 6th pull-up resistor, amplifier and filter capacitor are formed, described alcohol gas sensor just, negative output terminal respectively with the source electrode of field effect transistor, drain electrode connects, the grid power connection positive pole of this field effect transistor, described alcohol gas sensor just, negative output terminal also respectively with the positive of amplifier, inverting input connects, the normal phase input end of this amplifier connects positive source through the 6th pull-up resistor, the normal phase input end of this amplifier also connects the anode of zener diode, the negative ground of this zener diode, the mouth of described amplifier is through filter capacitor ground connection, and this mouth also connects the alcohol signal receiving end of described main control circuit.
Remarkable result of the present invention is: can be before each chaufeur is driven, chaufeur is carried out the alcohol content inspection, the chaufeur taboo that alcohol content exceeds standard is driven, all can there be voice suggestion the centre of detecting, direct drivers is carried out detecting operation, the sealed silicon cushion rubber of test chamber can either prevent that the gas of outside from entering test chamber testing result is disturbed, and also can prevent the gas leak in the test chamber, has guaranteed alcohol detection result's reliability and accuracy.Before detecting beginning, soft-touch control is shut whole test chamber, makes test chamber not contaminated.Compared with prior art, the present invention can effectively prevent the generation of drunken driving incident, and danger is prevented trouble before it happens, and guarantees safety traffic.
Description of drawings
Fig. 1 is a circuit structure block scheme of the present invention;
Fig. 2 is the structural representation of piston type sensing chamber;
Fig. 3 is the front view of piston type sensing chamber;
Fig. 4 is the running condition figure of piston type sensing chamber;
Fig. 5 is piston type sensing chamber air pump and alcohol detector scheme of installation;
Fig. 6 is a master control chip circuit connection diagram of the present invention;
Fig. 7 is a finger trigger circuit connection diagram of the present invention;
Fig. 8 is a voice warning circuit connection diagram of the present invention;
Fig. 9 is a master control diagram of circuit of the present invention;
Figure 10 is a firing circuit connection diagram of the present invention;
Figure 11 is an oil pump circuit connection diagram of the present invention;
Figure 12 is the circuit connection diagram of alcohol detector of the present invention;
Figure 13 is the circuit connection diagram of motor of the present invention and air pump.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As Fig. 1,6,7, shown in the 9-13: a kind of taboo that detects alcohol concentration from sweat is driven system, comprise alcohol detector 2, main control circuit 3, air pump 4, motor 14, firing circuit 5, oil pump circuit 6, finger trigger circuit 7, infrared circuit 8 and voice warning circuit 9, the alcohol gas sensor adopts MSP430F4XX serial model No. chip, the alcohol signal receiving end P5.0 of main control circuit 3 connects the signal output part SENSOR OUT of alcohol detector 2, receive the alcohol signal of alcohol detector 2 outputs, the energizing signal receiving end P6.5 of main control circuit 3 connects the mouth Finger_trigger of finger trigger circuit 7, the infrared signal receiving end of main control circuit 3 connects the mouth of infrared circuit 8, the voice signal mouth P3.0 of main control circuit 3～P3.2 connects the signal receiving end S1～S3 of voice warning circuit 9, the air pump control end P2.0 of main control circuit 3 is connected with air pump 4 by aerotron, the work of control air pump 4, the electric machine control end P2.1 of main control circuit 3 connects the signal end of motor 14 by aerotron, the Ignition Control end P5.3 of main control circuit 3 also is connected with oil pump circuit 6 with firing circuit 5 respectively with oil pump control end P5.2, by igniting of relay powered vehicle and oil pump work.
Gas suction alcohol detector 2 in the sweat that air pump 4 can come out the chaufeur finger is for the content of alcohol detector 2 detection alcohol.The alcohol concentration that prestores in the main control circuit 3 threshold value has only the chaufeur by the alcohol content checking, could drive this vehicle.
When finger trigger circuit 7 detected the finger touch signal, main control circuit 3 sends control command immediately started working motor 14.Hot external circuit 8 output infrared signals, main control circuit 3 sends control command immediately quits work motor 14.Infrared circuit 8 and finger trigger circuit 7 combine, and control the work-hours of motor 14 effectively.
As Fig. 2,3,4, shown in 5: the present invention also is provided with piston type sensing chamber 12, in this piston type sensing chamber 12 bolt type piston 13 is installed also, the front portion of this piston type sensing chamber 12 is test chamber 12a, the rear portion is the 12b of motor room, motor 14 is installed in the described 12b of motor room, be fixed with gear 15 on the output shaft of this motor 14, the flank of tooth of this gear 15 is meshed with the screw rod of described bolt type piston 13, the piston head of this bolt type piston 13 stretches into described test chamber 12a, soft-touch control 11 is installed on the piston head, and this piston head also matches with the front opening of described test chamber 12a.
The front opening place of described test chamber 12a is equipped with sealed silicon cushion rubber 16, this test chamber 12a sidewall has gas circuit through hole a, this gas circuit through hole a is through the admission port of plumbing connection at alcohol detector 2, the air extractor duct of this alcohol detector 2 communicates with air pump 4, and this alcohol detector 2 and air pump 4 are fixed on described piston type sensing chamber 12 outer walls.
The described 12b of motor room inwall is equipped with first, second infrared receiving tube m, m ', and infrared transmitting tube n is installed on the described screw rod;
When described gear 15 is just changeing, drive screw rod and advance and put in place, during the front opening applying of piston head and described test chamber 12a, described infrared transmitting tube n is relative with the described first infrared receiving tube m;
When 15 counter-rotatings of described gear, drive the screw rod worker and enter the position, screw rod is during near the described 12b of motor room wall, and described infrared transmitting tube n is relative with the described second infrared receiving tube m '; First, second infrared receiving tube m, m ' and infrared transmitting tube n form infrared circuit 8.
Or the described 12b of motor room inwall is equipped with first, second infrared transmitting tube m, m ', and infrared receiving tube n is installed on the described screw rod;
When described gear 15 is just changeing, drive screw rod and advance and put in place, during the front opening applying of piston head and described test chamber 12a, described infrared receiving tube n is relative with the described first infrared transmitting tube m;
When 15 counter-rotatings of described gear, drive the screw rod worker and enter the position, screw rod is during near the described 12b of motor room wall, and described infrared receiving tube n is relative with the described second infrared transmitting tube m ', and first, second infrared transmitting tube m, m ' and infrared receiving tube n form infrared circuit 8.
Described Fingerprint Identification Unit 1 is fixed on going to the bottom of described test chamber 12a.
When car key powers on, motor 14 returns, piston head are positioned at the front opening place of test chamber 12a, and 12a closes with test chamber, guarantee in the test chamber 12a not contaminated.When forefinger is run into soft-touch control 11, motor 14 work, driven gear 15 rotates, bolt type piston 13 is advanced backward, and when infrared receiving tube received the signal that infrared transmitting tube sends, motor 14 quit work, expose test chamber 12a, place finger for chaufeur.Sealed silicon cushion rubber 16 can not only prevent effectively that the gas of outside from entering test chamber 12a, also can prevent the gas leak in the test chamber 12a, has guaranteed the accuracy of alcohol detection.
Shown in Fig. 6,7: as described in finger trigger circuit 7 form by BS-02 type touch chip U1, capacitor C 1 and the first pull-up resistor R1, one end of described capacitor C 1 also connects the first input end of described soft-touch control 11 and touch chip U1, the other end of this capacitor C 1 connects second input end of touch chip U1, the mouth of touch chip U1 connects positive source through the first pull-up resistor R1, and this mouth also connects the energizing signal receiving end of described main control circuit 3.
Shown in Fig. 6,8, described voice warning circuit 9 is made up of YXT310P type speech chip U2 and loud speaker SPR, the signal receiving end of described speech chip U2 connects the voice signal mouth of described main control circuit 3, and the mouth of this speech chip U2 is connected with loud speaker spr signal end.
The content pre-edit of voice suggestion is good, is kept among the speech chip U2.
As shown in figure 10: described main control circuit 3 comprises:
The device that is used for system initialization; Car key powers on, and enters system initialization: motor return, piston head are positioned at the front opening of test chamber 12a.
Be used to judge whether the device of finger energizing signal; Promptly judged whether finger contact soft-touch control.
If no, then turn back to the described device that is used to judge whether the finger energizing signal; Judge repeatedly, up to the input of finger starting signal is arranged.
If have, then enter the device that is used for drive motor work; Machine operation, driven gear are rotated, make bolt type piston backward the worker advance.
Be used to judge whether the device of infrared signal input; Whether the worker enters the position promptly to judge screw rod, when infrared power valve with after adoptor is relative, send infrared signal.
If no, then turn back to the described device that is used to judge whether the infrared signal input; Judge that repeatedly the worker enters the position until screw rod.
If have, then enter and be used to control the out-of-work device of motor; Be that infrared transmitting tube is relative with adoptor, the screw rod worker enters the position, and motor quits work, and test chamber is exposed.
The device of wait time T1 is used to delay time; Wait for the sufficiently long time, can volatilize abundant gas with the finger sweat of chaufeur and detect for alcohol content and be as the criterion.
Be used to drive the device of air pump work; The gas that has this moment abundant chaufeur finger sweat to volatilize in the test chamber drives air pump and starts working, in the gas suction alcohol detector in the test chamber.
The device of wait time T2 is used to delay time; Air pump work a period of time, air feed pump is with abundant gas suction alcohol detector, so that alcohol detector analyzes alcohol content accurately, wait time is as the criterion so that abundant gas to be arranged in the alcohol detector.
Be used to control the out-of-work device of air pump; The air pump work-hours finishes, and air pump stops to bleed.
Be used to read the device of alcohol signal; Alcohol detector is sent detected alcohol concentration into main control circuit.
Be used to the device of judging whether alcohol content exceeds standard; Compare with alcohol content default in the main control circuit.
If alcohol content exceeds standard, then enter the overproof device of prompting; Voice suggestion, expression need to change chaufeur.
Turn back to the described device that is used for system initialization; At this moment, motor is return slowly, and the gas in the test chamber is released, and piston head is positioned at the front opening of test chamber 12a.
If alcohol content does not exceed standard, then enter the device that prompt system is proved to be successful; Alcohol content does not exceed standard, and shows that this chaufeur is not drunk, by checking.
The device that is used for drive ignition circuit and oil pump circuit working; Drive automotive ignition, drive oil pump work.
Be used for the device that system verification finishes.
As shown in figure 12: described alcohol detector 2 is by alcohol gas sensor SENSOR, field effect transistor MOS, LM285Z-1.2 type zener diode D, the 6th pull-up resistor R6, LTC1049 type amplifier U4 and filter capacitor C2 form, described alcohol gas sensor SENSOR just, negative output terminal respectively with the source electrode of field effect transistor MOS, drain electrode connects, the grid power connection positive pole of this field effect transistor MOS, described alcohol gas sensor SENSOR just, negative output terminal also respectively with the positive of amplifier U4, inverting input connects, the normal phase input end of this amplifier U4 connects positive source through the 6th pull-up resistor R6, the normal phase input end of this amplifier U4 also connects the anode of zener diode D, the negative ground of this zener diode D, the mouth of described amplifier U4 is through filter capacitor C2 ground connection, and this mouth also connects the alcohol signal receiving end of described main control circuit 3.
Principle of work of the present invention is as follows:
The present invention points the content of alcohol gas in the sweat that gives out by detecting chaufeur, carries out the detection of alcohol content.
The alcohol concentration that prestores in main control circuit threshold value.When car key powers on, motor 14 returns, piston head is positioned at the front opening of test chamber 12a, and 12a closes with test chamber, and simultaneously, sealed silicon cushion rubber 16 is gap sealing on every side, guarantees in the test chamber 12a not contaminated.
When forefinger is run into soft-touch control 11, finger trigger circuit 7 are to main control circuit 3 output finger energizing signal, after main control circuit 3 is received this signal, by driving aerotron, control motor 14 is started working, motor 14 driven gears 15 rotate, bolt type piston 13 is advanced backward, when infrared receiving tube received the signal that infrared transmitting tube sends, infrared circuit 8 was to main control circuit 3 output infrared signals, after main control circuit 3 is received this infrared signal, by driving aerotron, control motor 14 quits work, and exposes test chamber 12a, places finger for chaufeur.
After chaufeur placed test chamber 12a to finger, sealed silicon cushion rubber 16 prevented gas leak in the test chamber 12a with the sealing of test chamber 12a leading portion opening part, also prevented that the gas of outside from entering test chamber 12a simultaneously.
Time-delay wait time T1 makes the finger sweat of chaufeur can volatilize abundant gas for the alcohol content detection, and at this moment, main control circuit 3 is by driving aerotron, and the detection of alcohol content is carried out in 4 work of control air pump.
Claims (5)
1. a taboo that detects alcohol concentration from sweat is driven system, it is characterized in that: include alcohol detector (2), main control circuit (3), air pump (4), firing circuit (5) and oil pump circuit (6), the alcohol signal receiving end of described main control circuit (3) connects the signal output part of alcohol detector (2), receive the alcohol signal of alcohol detector (2) output, the air pump control end of main control circuit (3) is connected with air pump (4), the work of control air pump (4), the Ignition Control end of main control circuit (3) also is connected with oil pump circuit (6) with firing circuit (5) respectively with the oil pump control end;
Also be provided with piston type sensing chamber (12), in this piston type sensing chamber (12) bolt type piston (13) is installed also, the front portion of this piston type sensing chamber (12) is test chamber (12a), the rear portion is motor room (12b), motor (14) is installed in the described motor room (12b), the signal end of this motor (14) is connected with the electric machine control end of described main control circuit (3), be fixed with gear (15) on the output shaft of motor (14), the flank of tooth of this gear (15) is meshed with the screw rod of described bolt type piston (13), the piston head of this bolt type piston (13) stretches into described test chamber (12a), soft-touch control (11) is installed on the piston head, and this piston head also matches with the front opening of described test chamber (12a);
The front opening place of described test chamber (12a) is equipped with sealed silicon cushion rubber (16), this test chamber (12a) sidewall has gas circuit through hole (a), this gas circuit through hole (a) is through the admission port of plumbing connection in alcohol detector (2), the air extractor duct of this alcohol detector (2) communicates with air pump (4), and this alcohol detector (2) and air pump (4) are fixed on described piston type sensing chamber (12) outer wall;
Described motor room (12b) inwall is equipped with first, second infrared receiving tube (m, m '), and infrared transmitting tube (n) is installed on the described screw rod;
When described gear (15) just changes, drive screw rod and advance and put in place, during the front opening applying of piston head and described test chamber (12a), described infrared transmitting tube (n) is relative with described first infrared receiving tube (m);
When described gear (15) counter-rotating, drive the screw rod worker and enter the position, screw rod is during near described motor room (12b) wall, described infrared transmitting tube (n) and described second infrared receiving tube (m ') relative;
Or described motor room (12b) inwall is equipped with first, second infrared transmitting tube (m, m '), and infrared receiving tube (n) is installed on the described screw rod;
When described gear (15) just changes, drive screw rod and advance and put in place, during the front opening applying of piston head and described test chamber (12a), described infrared receiving tube (n) is relative with described first infrared transmitting tube (m);
When described gear (15) counter-rotating, drive the screw rod worker and enter the position, screw rod is during near described motor room (12b) wall, described infrared receiving tube (n) and described second infrared transmitting tube (m ') relative.
2. the taboo that detects alcohol concentration from sweat according to claim 1 is driven system, it is characterized in that: also include finger trigger circuit (7), described finger trigger circuit (7) are by touch chip (U1), electric capacity (C1) and first pull-up resistor (R1) are formed, one end of described electric capacity (C1) also connects described soft-touch control (11) and the first input end of touch chip (U1), the other end of this electric capacity (C1) connects second input end of touch chip (U1), the mouth of touch chip (U1) connects positive source through first pull-up resistor (R1), and this mouth also connects the energizing signal receiving end of described main control circuit (3).
3. the taboo that detects alcohol concentration from sweat according to claim 1 is driven system, it is characterized in that: also include voice warning circuit (9), described voice warning circuit (9) is made up of speech chip (U2) and loud speaker (SPR), the signal receiving end of described speech chip (U2) connects the voice signal mouth of described main control circuit (3), and the mouth of this speech chip (U2) is connected with loud speaker (SPR) signal end.
4. drive system according to claim 1 or the 2 or 3 described taboos that detect alcohol concentration from sweat, it is characterized in that: described main control circuit (3) comprising:
The device that is used for system initialization;
Be used to judge whether the device of finger energizing signal;
If no, then turn back to the described device that is used to judge whether the finger energizing signal;
If have, then enter the device that is used for drive motor work;
Be used to judge whether the device of infrared signal input;
If no, then turn back to the described device that is used to judge whether the infrared signal input;
If have, then enter and be used to control the out-of-work device of motor;
The device of wait time T1 is used to delay time;
Be used to drive the device of air pump work;
The device of wait time T2 is used to delay time;
Be used to control the out-of-work device of air pump;
Be used to read the device of alcohol signal;
Be used to the device of judging whether alcohol content exceeds standard;
If alcohol content exceeds standard, then enter the overproof device of prompting;
Turn back to the described device that is used for system initialization;
If alcohol content does not exceed standard, then enter the device that prompt system is proved to be successful;
The device that is used for drive ignition circuit and oil pump circuit working;
Be used for the device that system verification finishes.
5. the taboo that detects alcohol concentration from sweat according to claim 1 is driven system, it is characterized in that: described alcohol detector (2) is by alcohol gas sensor (SENSOR), field effect transistor (MOS), zener diode (D), the 6th pull-up resistor, amplifier (U4) and filter capacitor (C2) are formed, described alcohol gas sensor (SENSOR) just, negative output terminal respectively with the source electrode of field effect transistor (MOS), drain electrode connects, the grid power connection positive pole of this field effect transistor (MOS), described alcohol gas sensor (SENSOR) just, negative output terminal also respectively with the positive of amplifier (U4), inverting input connects, the normal phase input end of this amplifier (U4) connects positive source through the 6th pull-up resistor, the normal phase input end of this amplifier (U4) also connects the anode of zener diode (D), the negative ground of this zener diode (D), the mouth of described amplifier (U4) is through filter capacitor (C2) ground connection, and this mouth also connects the alcohol signal receiving end of described main control circuit (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101034663A CN101519041B (en) | 2009-03-27 | 2009-03-27 | Drive forbidding system for detecting alcohol concentration from sweat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101034663A CN101519041B (en) | 2009-03-27 | 2009-03-27 | Drive forbidding system for detecting alcohol concentration from sweat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101519041A CN101519041A (en) | 2009-09-02 |
| CN101519041B true CN101519041B (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101034663A Expired - Fee Related CN101519041B (en) | 2009-03-27 | 2009-03-27 | Drive forbidding system for detecting alcohol concentration from sweat |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885301A (en) * | 2010-06-27 | 2010-11-17 | 张杰波 | Ignition control system for automobile alcohol test |
| CN104773074B (en) * | 2015-03-08 | 2019-08-09 | 赵新宇 | A kind of intelligent vehicle-carried alcohol measure and control device and investigating method based on duplicate protection |
| CN110450632B (en) * | 2019-08-28 | 2020-10-13 | 重庆工业职业技术学院 | Take sweat test's steerable car steering wheel that starts |
| CN110618437A (en) * | 2019-08-29 | 2019-12-27 | 广州铁路职业技术学院（广州铁路机械学校） | System and method for detecting drunk driving of vehicle driver |
| CN112810441A (en) * | 2021-03-04 | 2021-05-18 | 李成义 | Drunk driving prevention device |
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|---|---|---|---|---|
| US5743349A (en) * | 1996-09-23 | 1998-04-28 | Steinberg; Steven | Non-invasive optical blood alcohol concentration reader and vehicle ignition interlock system and method |
| CN2332604Y (en) * | 1998-01-25 | 1999-08-11 | 李树荣 | Multifunctional controller for preventing driving after drunk and having anti-theft function |
| CN1586944A (en) * | 2004-09-09 | 2005-03-02 | 刘保权 | Start method for vehicle carried alcohol sensor automatic control automobile and its controller |
| CN1889144A (en) * | 2006-07-24 | 2007-01-03 | 王成利 | Electronic detecting device for carrying out management to motor vehicles and drivers |
| CN101380240A (en) * | 2008-06-18 | 2009-03-11 | 黄世强 | Human finger sweat volatile component acquisition cavity |
-
2009
- 2009-03-27 CN CN2009101034663A patent/CN101519041B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5743349A (en) * | 1996-09-23 | 1998-04-28 | Steinberg; Steven | Non-invasive optical blood alcohol concentration reader and vehicle ignition interlock system and method |
| CN2332604Y (en) * | 1998-01-25 | 1999-08-11 | 李树荣 | Multifunctional controller for preventing driving after drunk and having anti-theft function |
| CN1586944A (en) * | 2004-09-09 | 2005-03-02 | 刘保权 | Start method for vehicle carried alcohol sensor automatic control automobile and its controller |
| CN1889144A (en) * | 2006-07-24 | 2007-01-03 | 王成利 | Electronic detecting device for carrying out management to motor vehicles and drivers |
| CN101380240A (en) * | 2008-06-18 | 2009-03-11 | 黄世强 | Human finger sweat volatile component acquisition cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101519041A (en) | 2009-09-02 |
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