CN203178230U - Handheld voice alcohol detector - Google Patents
Handheld voice alcohol detector Download PDFInfo
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- CN203178230U CN203178230U CN 201320168146 CN201320168146U CN203178230U CN 203178230 U CN203178230 U CN 203178230U CN 201320168146 CN201320168146 CN 201320168146 CN 201320168146 U CN201320168146 U CN 201320168146U CN 203178230 U CN203178230 U CN 203178230U
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Abstract
The utility model relates to a handheld voice alcohol detector which can be used for solving the problems in the prior art that no specific numerical value is displayed in alarming, the structure is complicated and inconvenience in movement exists. The technical scheme adopted by the utility model is as follows: the handheld voice alcohol detector comprises a main control chip which is powered by a power supply circuit, and the handheld voice alcohol detector also comprises an air blowing judging circuit, an alcohol sensor and a voice output circuit which are electrically connected with the main control chip. The alcohol sensor is directly connected with the air blowing judging circuit, so that the output data is reasonable, voice output can be carried out, the structure is simple, and convenience in movement can be realized. The handheld voice alcohol detector can be used for a driver to carry out the self detection before driving a car, is simple in structure and convenient to move, also can be used in the fields needing to detect the gas alcohol content such as brewing and food, and is promising in market prospect.
Description
Technical field
The utility model relates to the alcohol content detecting device, is specifically related to a kind of voice suggestion that has, and can be used for the hand-held alcohol content detecting device that the driver tests oneself.
Background technology
Because drunk driving phenomenon in recent years remains existing despite repeated prohibition, in order to define the drunk driving standard, China comes into effect " vehicle drive personnel blood, breath alcohol concentration threshold value and check " (GB GB/T 19522-2010) on July 1st, 2011, for the law enforcement of traffic control department provides relevant foundation.This GB regulation, every 100mL blood alcohol content (BAC) is more than or equal to 20mg and less than i.e. 0.02%≤BAC＜0.08% of 80mg() be considered as " driver from drunk driving ", every 100mL blood alcohol content is BAC 〉=0.08% more than or equal to 80mg() be considered as " drunk driving ".Vehicle drive personnel breath alcohol concentration (BrAC) is converted into blood alcohol content by the proportionate relationship of 1:2200, and namely the blood alcohol content value equals the breath alcohol concentration value divided by 2200.Simultaneously, national traffic control department is strict day by day to the punishment of drunk driving, regulation in " motor vehicle driving license application to get and use regulation " (Ministry of Public Security makes No. 123) of putting into effect in September, 2012, the back driving motor vehicle of drinking, directly detained 12 fens.For avoiding risk in violation of rules and regulations, the hand-held alcohol content detecting device that a large amount of drivers of being used for test oneself has appearred in the society.Conversion relation according to GB provides, namely belongs to " drinking " as 0.091mg/L≤BrAC＜0.364mg/L; When BrAC 〉=0.364 mg/L, namely belong to " drunk ".By means of alcohol sensor and corresponding control system, alcohol detector can detect the BrAC of human body, and the driver can determine whether drive according to the result that tests oneself.Therefore, the test oneself hand-held alcohol content detecting device of usefulness of driver can be avoided potential traffic safety hidden danger to a certain extent, is worth promoting the use of on a large scale.
Chinese patent notification number: CN202491690U discloses a kind of drunk driving detection system open day on October 17th, 2012, comprising: nearly touch alcohol sensor, infrared alcohol detector and microprocessor; Described nearly touch alcohol sensor and infrared alcohol detector detect the alcohol concentration in air alcohol concentration and the driver's blood respectively, obtain the comprehensive detection alcohol concentration by microprocessor; When the alcohol concentration that detects surpassed preset value, microprocessor sends forbade the vehicle ignition instruction.This technical scheme can be carried out alcohol detection, but this technical scheme structure is complicated, and cost is higher, will cooperate with automobile simultaneously, can't hand movement.
The utility model content
The purpose of this utility model is to solve to exist in the prior art to report to the police and does not show concrete numerical value, complex structure and mobile problem, the hand-held alcohol content detecting device that provides a kind of driver of can be used for to test oneself are provided.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of hand-held alcohol speech detecting device, comprise main control chip, powered by power circuit, also comprise air blowing decision circuitry, alcohol sensor and voice output circuit, described air blowing decision circuitry, alcohol sensor and voice output circuit all are electrically connected with main control chip.This technical scheme directly connects alcohol sensor and air blowing decision circuitry, and the output data are reasonable, can carry out voice output, and are simple in structure, conveniently moving.
As preferably, also comprise button and display circuit, described button and display circuit all are electrically connected with described main control chip.This detecting device has 3 buttons, is numbered K1, K2 and K3, and they are connected to the IOA12～IOA14 pin of SPCE061A single-chip microcomputer respectively.When holding state, if press K1, then the voice suggestion measured " please blow ", and the air blowing decision circuitry is started working.If the measured desires cancellation test in testing process, can press K2, this moment, system abandoned test, and got back to holding state.This detecting device is supported the modification of alcohol content alarming value (the acquiescence alarming value is 0.02%BAC), and method is to press K3 under holding state, and LCD display shows current alarming value, and can adjust alarming value by K1 and K2 this moment.Whenever alarming value can be raised the 0.01%BAC(maximum to 0.19%BAC by a K1), whenever then reduce 0.01%BAC(by a K2 and be minimal to 0.00%BAC), after finishing, adjustment presses K3 again, can preserve new alarming value.The YB5004 module that is integrated with the HT1621 controller is adopted in the display part, and measurement result can be presented on this LCD module.During holding state, LCD shows "----".
As preferably, described air blowing decision circuitry comprises detector tube, the front end of detector tube offers air intake opening, the upper end of detector tube offers the gas outlet, the rear end of described detector tube is provided with hard contact, and hard contact is connected with described main control chip by connecting line, is connected with metal spring leaf on the base of described detector tube, described metal spring leaf is corresponding with described hard contact, and described metal spring leaf is connected with described power circuit by connecting line.When the measured blows to air intake opening, air-flow will make metal spring leaf contact with hard contact, be high level thereby make output signal Vout1 saltus step.Vout1 is connected to the pin of main control chip, and main control chip is by reading the level state of this pin, and whether the measured is blown judges.
As preferably, described alcohol sensor is MQK2 type alcohol sensor, and described MQK2 type alcohol sensor is fixed on the base plate of detector tube.Adopt cheap MQK2 as alcohol sensor, MQK2 type alcohol sensor mainly is made up of gas sensor and heating wire, adds the 5V heating voltage at its H and h pin, adds the 5V operating voltage on A and the h pin.When heating wire was heated to 270 ℃～300 ℃, redox reaction took place in alcohol gas in air, and carrier density increases, and the conductivity of semiconductor component surfaces increases, and causes its resistance value to reduce.The collecting sensor signal circuit as shown in Figure 3, this circuit is converted to the change in resistance of MQK2 sensor the variation of output voltage (Vout2), gaseous alcohol content is more high, then output voltage is more big, Vout2 is connected to the A/D ALT-CH alternate channel (IOA0 pin) of SPCE061A single-chip microcomputer, convert digital quantity to by single-chip microcomputer, and handle accordingly.
As preferably, described main control chip is the SPCE061A single-chip microcomputer.Adopt SPCE061A voice single-chip microcomputer as the main control chip of this detecting device, its pin distributes as shown in Figure 5.This single-chip microcomputer is 16 SoC chips of a DSP of the having function of Taiwan Ling Yang company product, and the domestic-investment source height of sheet is concentrated, and is integrated with multi-channel a/d converter and D/A converter.The actual use of this single-chip microcomputer is flexible, and its operating voltage is 3.3V, and the IO mouth is then supported 5V.Utilize the SPCE061A single-chip microcomputer that air blowing status determination circuit, alcohol sensor signal acquisition circuit, button and LCD display circuit and voice output circuit are coordinated control, realize functions such as alcohol content detection, measurement result demonstration and voice suggestion.In conjunction with the voice function library that Ling Yang company provides, utilize this single-chip microcomputer, can be by means of the dedicated voice chip, can directly record voice signal and processing such as broadcast.Ling Yang company provides abundant speech processes function library, so that voice application.Make a living into voice resource and single-chip microcomputer firmware, at first on PC, import original speech information by microphone, " sound-track engraving apparatus " program of utilizing windows XP system to carry, generate the .wav file, utilize the subsidiary SunAudior voice compression coding instrument of SACMv41dx voice function library, the .wav voice document is carried out compressed encoding, generate S720 formatted voice resource, save as the .s72 file, become the single-chip microcomputer firmware with .hex file burning together.The voice resource file that this detecting device need be imported has: pine in advance; Please wait for; Welcome to use; Please blow; Alcoholic strength is; Percent; 0～9; The point; BAC; Not; Exceed standard; Test crash amounts to 21 files, and raw tone is provided by certain sweet female voice.
As preferably, described display circuit is the LCD display circuit.
As preferably, described voice output circuit comprises loudspeaker, triode Q1, resistance R 1, resistance R 2 and capacitor C 1, the base stage of triode Q1 is connected with main control chip by resistance R 1, resistance R 2 one ends are connected with main control chip, resistance R 2 other end ground connection, and capacitor C 1 one ends are connected with main control chip, the other end ground connection of capacitor C 1, the transmitting terminal ground connection of described triode Q1, the collector of triode Q1 is connected with first conduction terminal of loudspeaker, and second conduction terminal of loudspeaker is connected with power circuit.Sound prompt function makes the hommization more of this detecting device, can make the measured obtain better user and experience.
The beneficial effects of the utility model are: the utility model can be used for the driver and tests oneself.Do not need the external dedicated speech chip, succinct more on the system architecture, cost performance is higher.The utility model is tested oneself before the driver drives except can be used for, and is simple in structure, and conveniently moving also can be applicable to make wine, food etc. needs to detect the occasion of gaseous alcohol content, and its market outlook are very wide.
Description of drawings
Fig. 1 is a kind of entire system structural representation of the present utility model;
Fig. 2 is a kind of circuit diagram of blowing and judging in the utility model;
Fig. 3 is a kind of circuit diagram of alcohol sensor in the utility model;
Fig. 4 is a kind of circuit diagram of voice output in the utility model.
Among the figure: 1, main control chip, 2, power circuit, 3, the air blowing decision circuitry, 4, alcohol sensor, 5, button, 6, display circuit, 7, the voice output circuit, 31, air intake opening, 32, the gas outlet, 33, hard contact, 34, metal spring leaf.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
A kind of hand-held alcohol speech detecting device (referring to accompanying drawing 1, Fig. 2, Fig. 3 and Fig. 4), main control chip 1, by power circuit 2 power supplies, also comprise air blowing decision circuitry 3, alcohol sensor 4 and voice output circuit 7, described air blowing decision circuitry 3, alcohol sensor 4 and voice output circuit 7 all are electrically connected with main control chip.Also comprise button 5 and display circuit 6, described button 5 and display circuit 6 all are electrically connected with described main control chip 1.Described main control chip is the SPCE061A single-chip microcomputer.Described display circuit is the LCD display circuit.Described air blowing decision circuitry comprises detector tube, the front end of detector tube offers air intake opening 31, the upper end of detector tube offers gas outlet 32, the rear end of described detector tube is provided with hard contact 33, hard contact 33 is connected with described main control chip 1 by connecting line, be connected with metal spring leaf 34 on the base of described detector tube, described metal spring leaf 34 is corresponding with described hard contact 33, and described metal spring leaf 34 is connected with described power circuit 2 by connecting line.Described alcohol sensor is MQK2 type alcohol sensor, and described MQK2 type alcohol sensor is fixed on the base plate of detector tube.Described voice output circuit comprises loudspeaker, triode Q1, resistance R 1, resistance R 2 and capacitor C 1, the base stage of triode Q1 is connected with main control chip by resistance R 1, resistance R 2 one ends are connected with main control chip, resistance R 2 other end ground connection, capacitor C 1 one ends are connected with main control chip, the other end ground connection of capacitor C 1, the transmitting terminal ground connection of described triode Q1, the collector of triode Q1 is connected with first conduction terminal of loudspeaker, and second conduction terminal of loudspeaker is connected with power circuit.
1, power circuit: this detecting device is the handheld device of a charged source switch, by 4 joint 1.5V dry cell series-feds.Adopt AMS1117-5.0 and AMS1117-3.3 as the power circuit chip, these 2 sections of chips all belong to the LDO chip, and maximum output current can reach 1A, and the band current-limiting function.The 6V voltage of dry cell output is respectively after AMS1117-5.0 and AMS1117-3.3 processing, output 5V and 3.3V voltage, wherein 5V is used for to the alcohol sensor power supply, and 3.3V is used for to air blowing status determination circuit, LCD display circuit, voice output circuit and the power supply of SPCE061A single-chip microcomputer.
2, air blowing decision circuitry: for judging whether the measured begins to blow, and has designed structure and circuit as shown in Figure 2.When the measured blows to air intake opening, air-flow will make metal spring leaf contact with hard contact, be high level thereby make output signal Vout1 saltus step.Vout1 is connected to the IOA15 pin of SPCE061A single-chip microcomputer, and the SPCE061A single-chip microcomputer is by reading the level state of this pin, and whether the measured is blown judges.
3, the alcohol sensor signal acquisition circuit: adopt cheap MQK2 as alcohol sensor, MQK2 type alcohol sensor mainly is made up of gas sensor and heating wire, adds the 5V heating voltage at its H and h pin, adds the 5V operating voltage on A and the h pin.When heating wire was heated to 270 ℃～300 ℃, redox reaction took place in alcohol gas in air, and carrier density increases, and the conductivity of semiconductor component surfaces increases, and causes its resistance value to reduce.The collecting sensor signal circuit as shown in Figure 3, this circuit is converted to the change in resistance of MQK2 sensor the variation of output voltage (Vout2), gaseous alcohol content is more high, then output voltage is more big, Vout2 is connected to the A/D ALT-CH alternate channel (IOA0 pin) of SPCE061A single-chip microcomputer, convert digital quantity to by single-chip microcomputer, and handle accordingly.
4, button and LCD display circuit: this detecting device has 3 buttons, is numbered K1, K2 and K3, and they are connected to the IOA12～IOA14 pin of SPCE061A single-chip microcomputer respectively.When holding state, if press K1, then the voice suggestion measured " please blow ", and the air blowing decision circuitry is started working.If the measured desires cancellation test in testing process, can press K2, this moment, system abandoned test, and got back to holding state.This detecting device is supported the modification of alcohol content alarming value (the acquiescence alarming value is 0.02%BAC), and method is to press K3 under holding state, and LCD display shows current alarming value, and can adjust alarming value by K1 and K2 this moment.Whenever alarming value can be raised the 0.01%BAC(maximum to 0.19%BAC by a K1), whenever then reduce 0.01%BAC(by a K2 and be minimal to 0.00%BAC), after finishing, adjustment presses K3 again, can preserve new alarming value.The YB5004 module that is integrated with the HT1621 controller is adopted in the display part, and measurement result can be presented on this LCD module.During holding state, LCD shows "----".
6, the voice output circuit: sound prompt function makes the hommization more of this detecting device, can make the measured obtain better user and experience.With external 1 the NPN8050 triode of the DAC1 pin of SPCE061A single-chip microcomputer, 2 resistance and 1 electric capacity, connect loudspeaker again, can realize sound prompt function, referring to Fig. 4.
7, SPCE061A single-chip microcomputer:
Adopt SPCE061A voice single-chip microcomputer as the main control chip of this detecting device, its pin distributes as shown in Figure 5.This single-chip microcomputer is 16 SoC chips of a DSP of the having function of Taiwan Ling Yang company product, and the domestic-investment source height of sheet is concentrated, and is integrated with multi-channel a/d converter and D/A converter.The actual use of this single-chip microcomputer is flexible, and its operating voltage is 3.3V, and the IO mouth is then supported 5V.Utilize the SPCE061A single-chip microcomputer that air blowing status determination circuit, alcohol sensor signal acquisition circuit, button and LCD display circuit and voice output circuit are coordinated control, realize functions such as alcohol content detection, measurement result demonstration and voice suggestion.In conjunction with the voice function library that Ling Yang company provides, utilize this single-chip microcomputer, can be by means of the dedicated voice chip, can directly record voice signal and processing such as broadcast.
Ling Yang company provides abundant speech processes function library, so that voice application.Make a living into voice resource and single-chip microcomputer firmware, at first on PC, import original speech information by microphone, " sound-track engraving apparatus " program of utilizing windows XP system to carry, generate the .wav file, utilize the subsidiary SunAudior voice compression coding instrument of SACMv41dx voice function library, the .wav voice document is carried out compressed encoding, generate S720 formatted voice resource, save as the .s72 file, become the single-chip microcomputer firmware with .hex file burning together.The voice resource file that this detecting device need be imported has: pine in advance; Please wait for; Welcome to use; Please blow; Alcoholic strength is; Percent; 0～9; The point; BAC; Not; Exceed standard; Test crash amounts to 21 files, and raw tone is provided by certain sweet female voice.
Above-described embodiment is a kind of preferable scheme of the present utility model, is not that the utility model is done any pro forma restriction, also has other variant and remodeling under the prerequisite that does not exceed the technical scheme that claim puts down in writing.
Claims (7)
1. hand-held alcohol speech detecting device, comprise main control chip, by the power circuit power supply, it is characterized in that: also comprise air blowing decision circuitry, alcohol sensor and voice output circuit, described air blowing decision circuitry, alcohol sensor and voice output circuit all are electrically connected with main control chip.
2. hand-held alcohol speech detecting device according to claim 1, it is characterized in that: also comprise button and display circuit, described button and display circuit all are electrically connected with described main control chip.
3. hand-held alcohol speech detecting device according to claim 1 and 2, it is characterized in that: described air blowing decision circuitry comprises detector tube, the front end of detector tube offers air intake opening, the upper end of detector tube offers the gas outlet, the rear end of described detector tube is provided with hard contact, hard contact is connected with described main control chip by connecting line, be connected with metal spring leaf on the base of described detector tube, described metal spring leaf is corresponding with described hard contact, and described metal spring leaf is connected with described power circuit by connecting line.
4. hand-held alcohol speech detecting device according to claim 3, it is characterized in that: described alcohol sensor is MQK2 type alcohol sensor, described MQK2 type alcohol sensor is fixed on the base plate of detector tube.
5. hand-held alcohol speech detecting device according to claim 1 and 2, it is characterized in that: described main control chip is the SPCE061A single-chip microcomputer.
6. hand-held alcohol speech detecting device according to claim 1 and 2, it is characterized in that: described display circuit is the LCD display circuit.
7. hand-held alcohol speech detecting device according to claim 1 and 2, it is characterized in that: described voice output circuit comprises loudspeaker, triode Q1, resistance R 1, resistance R 2 and capacitor C 1, the base stage of triode Q1 is connected with main control chip by resistance R 1, resistance R 2 one ends are connected with main control chip, resistance R 2 other end ground connection, capacitor C 1 one ends are connected with main control chip, the other end ground connection of capacitor C 1, the transmitting terminal ground connection of described triode Q1, the collector of triode Q1 is connected with first conduction terminal of loudspeaker, and second conduction terminal of loudspeaker is connected with power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320168146 CN203178230U (en) | 2013-04-07 | 2013-04-07 | Handheld voice alcohol detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320168146 CN203178230U (en) | 2013-04-07 | 2013-04-07 | Handheld voice alcohol detector |
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| CN203178230U true CN203178230U (en) | 2013-09-04 |
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| CN 201320168146 Expired - Fee Related CN203178230U (en) | 2013-04-07 | 2013-04-07 | Handheld voice alcohol detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842433A (en) * | 2016-05-24 | 2016-08-10 | 南宁市茂百科技有限公司 | Intelligent alcohol strength tester |
| CN105996989A (en) * | 2016-04-27 | 2016-10-12 | 上海翰临电子科技有限公司 | Method and equipment for monitoring influences of blood alcohol concentration on human health |
-
2013
- 2013-04-07 CN CN 201320168146 patent/CN203178230U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105996989A (en) * | 2016-04-27 | 2016-10-12 | 上海翰临电子科技有限公司 | Method and equipment for monitoring influences of blood alcohol concentration on human health |
| CN105996989B (en) * | 2016-04-27 | 2018-10-12 | 上海翰临电子科技有限公司 | It is a kind of to monitor method and apparatus of the blood alcohol concentration to Health Impact |
| CN105842433A (en) * | 2016-05-24 | 2016-08-10 | 南宁市茂百科技有限公司 | Intelligent alcohol strength tester |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130904 Termination date: 20140407 |