CN1183359A - Automotive alcohol speech monitor - Google Patents

Automotive alcohol speech monitor Download PDF

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Publication number
CN1183359A
CN1183359A CN 95117818 CN95117818A CN1183359A CN 1183359 A CN1183359 A CN 1183359A CN 95117818 CN95117818 CN 95117818 CN 95117818 A CN95117818 A CN 95117818A CN 1183359 A CN1183359 A CN 1183359A
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China
Prior art keywords
alcohol
voice
signal
alcohol concentration
electrode tip
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Pending
Application number
CN 95117818
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Chinese (zh)
Inventor
张登云
林双蓉
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Individual
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Individual
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Priority to CN 95117818 priority Critical patent/CN1183359A/en
Publication of CN1183359A publication Critical patent/CN1183359A/en
Pending legal-status Critical Current

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Abstract

A speech-alcohol monitor for car uses both air pressure and alcohol test to control the start of car engine while to provide speech prompt, so preventing the driver who has drunk wine from driving the car.

Description

Automotive alcohol speech monitor
The invention belongs to the automobile auxiliary device, relate in particular to a kind of automotive alcohol speech monitor.
Car opertion has become the indispensable vehicle of modern people, especially truck or coach and small and medium-sized car fast speed increase in the highly developed countries, yet the accident ratio of automobile also increases, the ratio that the factor of wherein causing trouble is caused trouble with drunken driving is the highest, and be mostly great traffic accident, even cause car crash, so that traffic paralysis.
In order to prevent the generation of above-mentioned traffic accident, the invention provides a kind of automotive alcohol speech monitor that can send voice suggestion or Control of Automobile engine power automatically according to the concentration detection of alcohol.
For achieving the above object, the present invention has adopted following technical scheme: a kind of automotive alcohol speech monitor, it is formed by being arranged on blast induction installation, alcohol concentration detecting device and voice in the automobile cab power switch device that device, relay constitute of transmitting messages, the described voice device of transmitting messages is that mouth by the phonetic memory body directly reaches power amplifier with voice signal, delivers to voice generators through amplifying output again.The blast induction installation becomes electric signal output by the blast inductor with the wind pressure signal that receives, through amplifier amplify and comparator relatively after, through univibrator and the RC circuit output delay pulse signal that links to each other with the 6th, 7 pin, be connected to an electrode tip of power switch device again; Alcohol concentration detecting device is converted to the pulse mode electric signal by the alcohol sensor with the gas signal, the one electrode tip links to each other with power stabilizer, and and comparator, single-shot trigger circuit constitutes the loop, output signal is connected to another electrode tip of power switch device, and connects the transmit messages input end of device of voice.The a transmit messages input end pin 2 power connection switching device electrode tips of phonetic memory body of device of voice, another input end pin 1 links to each other with the alcohol sensor mouth of alcohol concentration detecting device; Blast induction installation and alcohol concentration detecting device all are communicated with the voice device circuit of transmitting messages.
Further specify below in conjunction with accompanying drawing
Fig. 1 is an embodiment of the invention schematic circuit diagram
Fig. 2 is oil circuit control scheme drawing of the present invention
As shown in Figure 1, the present invention includes blast induction installation 1, alcohol concentration detecting device 2, the voice power switch device 4 that device 3 and is made of relay 40 of transmitting messages, blast induction installation wherein, alcohol concentration detecting device all is communicated with the voice device circuit of transmitting messages, power switch device two electrode tip A, B is connected with alcohol concentration detecting device and blast induction installation respectively, blast inductor 10 is arranged in the blast induction installation 1, and has alcohol inductor 20 in the alcohol concentration detecting device, the mode of its installation is the gas hole that is provided with a tool gas backstreaming chamber on car body, and blast inductor 10 and alcohol inductor 20 be installed in this hole, can correctly be received by blast inductor and alcohol concentration inductor when gas hole being blown, reach detection alcohol with the user, the effect of Control of Automobile power initiation and voice suggestion.
Wherein, be provided with a blast inductor 10 in the blast induction installation, and the RC circuit that is connected with an op amp LM1, comparator LM2, univibrator NE1 (NE555) and forms by R2, C3, when the user blows to gas hole, its blast just produces a fluctuating signal, pottery magnetic wafer through blast inductor 10 detects gas pulsation and is converted into electric signal, and this electric signal is amplified about ten times through op amp LM1, give in addition comparison signal and set bench mark of comparator LM2 then, to obtain more accurate operating point.
And being provided with an alcohol inductor 20 in the alcohol induction installation 2, these alcohol inductor 20 1 electrode tips are connected with FET crystal TR2, and with the resistance eutral grounding of R1A60 Ω 2W, another electrode tip then is provided with power stabilizer IC1, comparator LM3 and monostable pressure binary pair IC2; Wherein, alcohol inductor 20 is a prior art products, its structure is to be provided with one group of heat filament to be adhered to the back side of ceramic magnetic plate with adhesion system, and in order to ceramic magnetic plate is heated to 300 ℃, the front of ceramic magnetic plate also is provided with the output of two contact conductors in addition, scribble one deck silicon oxygen compound in the middle of the electrode, and be modulated to film, when this film is heated to 300 ℃, on the film oxide a resistance, when its top layer is contacted with airborne stabilizing gas, also present stable resistance; When an astable molecule such as alcoholic ingredient are arranged in the air, promptly present unsettled resistance, its resistance changes along with unsettled gas concentration in the air, this numerical value is through the variation of stable (alcohol concentration) voltage source via film resistance, try to achieve a magnitude of voltage from another electrode tip, change its signal along with alcohol concentration.
When the present invention uses, must blow to gas hole earlier, to cause gas, this gas is converted to the jerk type electric signal through the blast inductor, the first group of op amp LM1 that enters in the main body via the circuit conduction adds ten times voltage gain, and through a comparator LM2, signal after amplifying is given one group of univibrator NE1 by the signal of cond again, cause the 3rd pin position mouth of this univibrator NE1 to become high potential by active potential, and be that the magnitude of voltage timing simultaneously of 5V begins, the setting of time is by the 6th of univibrator NE1 the, resistance R 2 on the 7 pin positions, the RC circuit setting-up time constant that capacitor C 3 is formed, arrange that the chien shih tripod is a high potential when about 20 seconds, drive a small power electric crystal TR1 simultaneously, in addition electric current amplifies, and then the coil that relay R Y1B is ordered done ground connection, and loop action and make the B contact conducting ground connection of RY1, can have 20 seconds time to allow steerman come the start a car engine this moment.
Still not enough except the blast conducting, still must make the A contact of RY1 keep high potential, even the A contact of RY1 is high potential, B contact ground connection ability start a car engine; So when gas hole is blown, oxide in its another alcohol induction installation 2 on the film of alcohol inductor 20 a conduction resistance, when an astable molecule such as alcoholic ingredient are arranged in the air, promptly present unstable resistance, the signal that its resistance changes along with unsettled gas concentration in the air, this alcohol concentration signal is done electric current through one group of FET crystal TR2 again and is amplified, and then R1A60 Ω 2W resistance done ground connection, cause RY1 to move, and make its engine fire switch of controlling do not started and reach the bad habit that prevents to driving a car under the influence of alcohol by steerman, moreover, when spirituosity concentration surpassed the situation of W1 setting value during if steerman gave a puff, the TR4 crystal is and conducting, and then with the conducting of R1 resistance to ground terminal, make the A contact of cutout relay RY1 become active potential, and form the signal control that can't be transmitted by the pulsation of blowing by high potential, at this moment, car engine still can't start.
When the alcohol detecting does not have or do not surpass the alcohol concentration standard, IC3 the 1st pin position is that active potential has triggered the voice in the voice note meaning body of phonetic memory body IC3 internal reservoir by high potential state by the inspiration of TR3 promptly, electric capacity commissure via the output of the 9th pin position through C1 transfers to power gain IC4, voice are at once from the 5th pin of IC4 through voice generators 30 and sending behind C2 electric capacity commissure, voice (test OK, Have a nice trip) when this section is pointed out, the automobile start circuit is simultaneously by the A of RY1, the B point is connected, this moment, engine can be started by steerman, to reach the function of forcing detecting.
In addition, when alcohol concentration surpasses target value in steerman gives a puff, TR3 leads logical remove preferential control RY1 not Be Controlled become active potential by the A point of RY1 simultaneously, and then the crus secunda of triggering IC3, and the voice data in note meaning IC3 second district of triggering is via the output of the 9th pin, again by the audio frequency amplification of IC4 from voice generators 30 send (sir, Miss, you had drunk wine, be not suitable for driving, present engine power is Be Controlled.)
In addition, be provided with oil circuit electromagnetic valve 21 at alcohol concentration detecting device 2, this electromagnetic valve 21 adds is located at (see figure 2) between the major and minor oil pipe 22,23, and major and minor oil pipe 22,23 is provided with pressure regulator 24, so far, if steerman maybe may look for other people on behalf of air blowing start a car, but the he or she is when driving, when its alcohol concentration is higher than rated value, and alcohol induction installation 2 still can action induction and oil circuit electromagnetic valve 21 is started; And then control reduction charge oil pressure, its ejection fuel oil just reduces, and lowers the speed of a motor vehicle relatively, and steerman can't be stepped on the gas, so can effectively reduce accident rate.
Technical solution of the present invention, it is convenient to implement, but actv. control steerman when alcohol concentration is too high, can't drive car and go into the road, to ensure safety of person vehicle, promote unhampered low of traffic, reduce the accident rate of vehicle.

Claims (2)

1, a kind of automotive alcohol speech monitor, it is formed by being arranged on blast induction installation, alcohol concentration detecting device and voice in the automobile cab power switch device that device, relay constitute of transmitting messages, the described voice device of transmitting messages is that mouth by phonetic memory body IC3 directly reaches power amplifier IC4 with voice signal, amplify output through IC4 again and deliver to voice generators 30, it is characterized in that:
The blast induction installation is by the blast inductor wind pressure signal that receives to be become electric signal output, through amplifier LM1 amplify and comparator LM2 relatively after, export delay pulse signal through univibrator NE1 with the RC circuit that the resistance R 2 that links to each other with NE1 the 6th, 7 pin, capacitor C 3 are formed again, be connected to an electrode tip B of power switch device;
Alcohol concentration detecting device is by the alcohol sensor gas signal to be converted to the pulse mode electric signal, the one electrode tip links to each other with power stabilizer IC1, and constitute the loop with comparator LM3, single-shot trigger circuit IC2, output signal is connected to another electrode tip A of power switch device, and connects the transmit messages input end of device of voice;
The a transmit messages input end pin 2 power connection switching device electrode tip A of phonetic memory body IC3 of device of voice, another input end pin 1 links to each other with the alcohol sensor mouth of alcohol concentration detecting device;
Blast induction installation and alcohol concentration detecting device all are communicated with the voice device circuit of transmitting messages.
2, automotive alcohol speech monitor as claimed in claim 1, it is characterized in that: the extensible electrode tip of alcohol concentration induction installation and being communicated with an oil circuit electromagnetic valve (21), this oil circuit electromagnetic valve is located on the path between the major and minor oil pipe (22,23) of supplying with fuel oil, is provided with pressure regulator (24) on this major and minor oil pipe.
CN 95117818 1995-12-06 1995-12-06 Automotive alcohol speech monitor Pending CN1183359A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95117818 CN1183359A (en) 1995-12-06 1995-12-06 Automotive alcohol speech monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 95117818 CN1183359A (en) 1995-12-06 1995-12-06 Automotive alcohol speech monitor

Publications (1)

Publication Number Publication Date
CN1183359A true CN1183359A (en) 1998-06-03

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ID=5081368

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 95117818 Pending CN1183359A (en) 1995-12-06 1995-12-06 Automotive alcohol speech monitor

Country Status (1)

Country Link
CN (1) CN1183359A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101979258A (en) * 2010-11-03 2011-02-23 周庆然 Automobile anti-drunken driving control device and control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101979258A (en) * 2010-11-03 2011-02-23 周庆然 Automobile anti-drunken driving control device and control method

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