CN203203955U - Digital alcohol tester - Google Patents
Digital alcohol tester Download PDFInfo
- Publication number
- CN203203955U CN203203955U CN 201320173621 CN201320173621U CN203203955U CN 203203955 U CN203203955 U CN 203203955U CN 201320173621 CN201320173621 CN 201320173621 CN 201320173621 U CN201320173621 U CN 201320173621U CN 203203955 U CN203203955 U CN 203203955U
- Authority
- CN
- China
- Prior art keywords
- module
- chip microcomputer
- digital
- alcohol
- analog
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Or Analysing Biological Materials (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The utility model discloses a digital alcohol tester which comprises a singlechip microcomputer, a display driver, a six-digit nixie tube, an alcohol concentration sensor, an analog-digital conversion module, a temperature sensor, a sound-light alarm device, a data memory module, a keyboard module and a power supply module. The singlechip microcomputer controls the analog-digital conversion module through an input/output port to detect data of the alcohol concentration sensor and the temperature sensor, and displays measured data through the display driver and the six-digit nixie tube. When the data detected exceeds an alarm threshold value, the sound-light alarm device alarms. The keyboard module controls or sets display data or the alarm threshold value. The power supply module respectively supplies power to each module. The tester disclosed by the utility model is simple in structure, low in manufacturing difficulty, low in cost, strong in anti-interference capacity and strong in visualization, has an automatic ultralimit alarming function, and can store time and alcohol concentration value of every test for the convenience of reading in later stage, thereby improving the alcohol concentration detection efficiency after driving under the influence of alcohol.
Description
Technical field
The utility model relates to the alcohol tester technical field, relates in particular to a kind of digital alcohol tester.
Background technology
Drive when intoxicated traffic hazard takes place easily.In order to prevent that the vehicle driving personnel from driving when intoxicated, adopt the alcohol screen test instrument that human pilot is carried out the scene usually and detect, whether drink to determine human pilot.The alcohol screen test instrument that generally uses both at home and abroad comprises fuel type and semi-conductor type expiration formula alcohol tester at present, but the structural requirement of the fuel cell alcohol sensor that the former adopts is very accurate, and manufacture difficulty is big, the cost costliness; And that the error of indication of the semiconductor type sensor that the latter adopts and repeatability also are difficult for is up to standard, poor anti jamming capability.Thereby alcohol tester develops to the assembly direction of single-chip microcomputer and gas sensor just gradually.In addition, the occasion of alcohol concentration also needs to use alcohol tester in needs such as food processing, the wine brewing monitoring air.
The utility model content
At the traditional fuel type with semi-conductor type expiration formula alcohol tester manufacture difficulty is big, cost is expensive, the shortcoming of poor anti jamming capability, the research of applicant's process improves, and providing a kind of can numeral show, is with memory, the digital alcohol tester of reporting to the police and having the temperature survey function is arranged.
The technical solution of the utility model is as follows:
A kind of digital alcohol tester comprises single-chip microcomputer, display driver, six charactrons, alcohol concentration sensor, analog-to-digital conversion module, temperature sensor, acoustic-optic alarm, data memory module, Keysheet module and power modules; Single-chip microcomputer is connected with display driver, analog-to-digital conversion module, temperature sensor, acoustic-optic alarm, data memory module and Keysheet module respectively, is the core of digital alcohol tester, is used for carrying out data analysis and handles and assign steering order; The input of display driver is connected with single-chip microcomputer, and its output is connected with the input of six charactrons, is used for driving six charactrons and shows under the control of single-chip microcomputer; The input of six charactrons is connected with the output of display driver, is used for showing measurement data; Alcohol concentration sensor is converted into electric signal with detected alcohol concentration, and its output is connected with the input of analog-to-digital conversion module; The input of analog-to-digital conversion module is connected with the output of alcohol concentration sensor, the output signal of alcohol concentration sensor is carried out analog to digital conversion become digital signal; The output of analog-to-digital conversion module is connected with single-chip microcomputer; Temperature sensor is for detection of temperature data, and its output is connected with single-chip microcomputer; The input of acoustic-optic alarm is connected with single-chip microcomputer, carries out sound and light alarm under the control of single-chip microcomputer; Data memory module is connected with single-chip microcomputer, is used for the record measurement data; The output of Keysheet module is connected with single-chip microcomputer, is used for control or arranges showing data or alarm threshold value; Power module is connected with above-mentioned each module respectively, for above-mentioned each module provides power supply.
Its further technical scheme is: described single-chip microcomputer adopts STC89C52.Described display driver adopts MAX7219.Described alcohol concentration sensor adopts MQ3.Described analog-to-digital conversion module adopts the ADC0832 integrated chip.Described temperature sensor adopts DS18B20.The circuit that described data memory module adopts the AT24C16 storage chip to form.
Useful technique effect of the present utility model is:
Compare with existing expiration formula alcohol tester, the digital alcohol tester that the utility model provides is simple in structure, manufacture difficulty is low, cost is low, strong interference immunity, visual strong, and has an automatic overload alarm function, have more hommization, can store simultaneously time and the alcohol concentration value of test each time, read processing when making things convenient for the later stage to need, improved the alcohol concentration detection efficiency of driving when intoxicated.The utility model also can be used for high-risk field and forbids enterprise on duty after drinking, to prevent the causing danger safety guarantee of raising enterprise after the employee from entering the post after drinking.
The additional advantage of the utility model provides in the embodiment description partly below, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Fig. 1 is circuit module structured flowchart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further.
Fig. 1 shows circuit theory diagrams of the present utility model.As shown in Figure 1, the utility model comprises following circuit module: single-chip microcomputer 1, display driver 2, six charactrons 3, alcohol concentration sensor 4, analog-to-digital conversion module 5, temperature sensor 6, acoustic-optic alarm 7, data memory module 8, Keysheet module 9 and power modules 10.
As shown in Figure 1, single-chip microcomputer 1 is connected with display driver 2, analog-to-digital conversion module 5, temperature sensor 6, acoustic-optic alarm 7, data memory module 8 and Keysheet module 9 respectively, is core of the present utility model; The input of display driver 2 is connected with single-chip microcomputer 1, and its output is connected with the input of six charactrons 3; The output of alcohol concentration sensor 4 is connected with the input of analog-to-digital conversion module 5, and the output of analog-to-digital conversion module 5 is connected with single-chip microcomputer 1; The output of temperature sensor 6 is connected with single-chip microcomputer 1; The input of acoustic-optic alarm 7 is connected with single-chip microcomputer 1; Data memory module 8 is connected with single-chip microcomputer 1; The output of Keysheet module 9 is connected with single-chip microcomputer 1; Power module 10 is connected with above-mentioned each module respectively, for above-mentioned each module provides power supply.
Each module of the present utility model all can adopt the commercial goods.In one embodiment, single-chip microcomputer 1 adopts STC89C52; Display driver 2 adopts MAX7219; Alcohol concentration sensor 4 adopts MQ3; Analog-to-digital conversion module 5 adopts the ADC0832 integrated chip; Temperature sensor 6 adopts DS18B20; The circuit that data memory module 8 adopts the AT24C16 storage chip to form.
In conjunction with Fig. 1, the course of work of the present utility model is as follows:
Alcohol concentration sensor 4 is converted into electric signal with detected alcohol concentration, then electric signal is sent to analog-to-digital conversion module 5.Single-chip microcomputer 1 is gathered the digital signal that obtains after analog-to-digital conversion module 5 conversions, it is carried out analyzing and processing, and the result of analyzing and processing is shown by the data display unit of being made up of display driver 2 and six charactrons 3.Utilize data memory module 8 to carry out the storage of alcohol concentration data more as required.Simultaneously, can control demonstration by temperature sensor 6 detected temperature datas by Keysheet module 9; Keysheet module 9 can also arrange the alcohol concentration threshold value that transfinites, and when detected alcohol concentration surpassed the threshold value that sets, single-chip microcomputer 1 sent control command, and acoustic-optic alarm 7 is reported to the police.
In sum, the utility model adopts alcohol concentration sensor to detect the concentration of alcohol in people's breath, and output voltage signal, by modulus switching device signal being passed to low-power consumption, low cost, high-performance CMOS single-chip microcomputer then deals with, and finishes functions such as data acquisition, storage, demonstration, overload alarm.The utility model can also freely set drink, information such as drunk alarming value, tester can be attended by audible alarm information when reporting to the police, display module also can show corresponding information, helps the driver and distinguishes the warning classification, convenience ease in use.
Whether the utility model drives when intoxicated except can be applicable to detect the vehicle driving personnel, reducing drives when intoxicated takes place beyond the road accident rate, also can be used for high-risk field and forbid enterprise on duty after drinking, to prevent the causing danger safety guarantee of raising enterprise after the employee from entering the post after drinking.
Above-described only is preferred implementation of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that other improvement and variation that those skilled in the art directly derive or associate under the prerequisite that does not break away from basic design of the present utility model, all should think to be included within the protection domain of the present utility model.
Claims (7)
1. a digital alcohol tester is characterized in that: comprise single-chip microcomputer (1), display driver (2), six charactrons (3), alcohol concentration sensor (4), analog-to-digital conversion module (5), temperature sensor (6), acoustic-optic alarm (7), data memory module (8), Keysheet module (9) and power module (10);
Single-chip microcomputer (1) is connected with display driver (2), analog-to-digital conversion module (5), temperature sensor (6), acoustic-optic alarm (7), data memory module (8) and Keysheet module (9) respectively, be the core of digital alcohol tester, be used for carrying out data analysis and handle and assign steering order;
The input of display driver (2) is connected with single-chip microcomputer (1), and its output is connected with the input of six charactrons (3), is used for driving six charactrons (3) and shows under the control of single-chip microcomputer (1);
The input of six charactrons (3) is connected with the output of display driver (2), is used for showing measurement data;
Alcohol concentration sensor (4) is converted into electric signal with detected alcohol concentration, and its output is connected with the input of analog-to-digital conversion module (5);
The input of analog-to-digital conversion module (5) is connected with the output of alcohol concentration sensor (4), the output signal of alcohol concentration sensor (4) is carried out analog to digital conversion become digital signal; The output of analog-to-digital conversion module (5) is connected with single-chip microcomputer (1);
Temperature sensor (6) is for detection of temperature data, and its output is connected with single-chip microcomputer (1);
The input of acoustic-optic alarm (7) is connected with single-chip microcomputer (1), carries out sound and light alarm under the control of single-chip microcomputer (1);
Data memory module (8) is connected with single-chip microcomputer (1), is used for the record measurement data;
The output of Keysheet module (9) is connected with single-chip microcomputer (1), is used for control or arranges showing data or alarm threshold value;
Power module (10) is connected with above-mentioned each module respectively, for above-mentioned each module provides power supply.
2. according to the described digital alcohol tester of claim 1, it is characterized in that: described single-chip microcomputer (1) adopts STC89C52.
3. according to the described digital alcohol tester of claim 1, it is characterized in that: described display driver (3) adopts MAX7219.
4. according to the described digital alcohol tester of claim 1, it is characterized in that: described alcohol concentration sensor (4) adopts MQ3.
5. according to the described digital alcohol tester of claim 1, it is characterized in that: described analog-to-digital conversion module (5) adopts the ADC0832 integrated chip.
6. according to the described digital alcohol tester of claim 1, it is characterized in that: described temperature sensor (6) adopts DS18B20.
7. according to the described digital alcohol tester of claim 1, it is characterized in that: the circuit that described data memory module (8) adopts the AT24C16 storage chip to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173621 CN203203955U (en) | 2013-04-08 | 2013-04-08 | Digital alcohol tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320173621 CN203203955U (en) | 2013-04-08 | 2013-04-08 | Digital alcohol tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203203955U true CN203203955U (en) | 2013-09-18 |
Family
ID=49148052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320173621 Expired - Fee Related CN203203955U (en) | 2013-04-08 | 2013-04-08 | Digital alcohol tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203203955U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287181A (en) * | 2017-01-09 | 2018-07-17 | 长沙乐昌林电子科技有限公司 | A kind of design of tester for alcohol concentration |
| CN109884137A (en) * | 2019-03-25 | 2019-06-14 | 合肥安聚仪电科技有限公司 | High-precision micro air blowing type alcohol gas detector and its detection system |
| CN113281385A (en) * | 2021-05-24 | 2021-08-20 | 无锡职业技术学院 | Portable air blowing type alcohol concentration measuring device and measuring method |
| WO2022116204A1 (en) * | 2020-12-04 | 2022-06-09 | 深圳市华盛昌科技实业股份有限公司 | Mems-based alcohol sensor and intelligent device |
-
2013
- 2013-04-08 CN CN 201320173621 patent/CN203203955U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287181A (en) * | 2017-01-09 | 2018-07-17 | 长沙乐昌林电子科技有限公司 | A kind of design of tester for alcohol concentration |
| CN109884137A (en) * | 2019-03-25 | 2019-06-14 | 合肥安聚仪电科技有限公司 | High-precision micro air blowing type alcohol gas detector and its detection system |
| CN109884137B (en) * | 2019-03-25 | 2024-02-06 | 合肥安聚仪电科技有限公司 | High-precision miniature blowing alcohol gas detector and detection system thereof |
| WO2022116204A1 (en) * | 2020-12-04 | 2022-06-09 | 深圳市华盛昌科技实业股份有限公司 | Mems-based alcohol sensor and intelligent device |
| CN113281385A (en) * | 2021-05-24 | 2021-08-20 | 无锡职业技术学院 | Portable air blowing type alcohol concentration measuring device and measuring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203203955U (en) | Digital alcohol tester | |
| CN201247513Y (en) | Detector for air quality in vehicle | |
| CN203192070U (en) | Passenger counting and state display device for public transport | |
| CN203401971U (en) | Alcohol detecting controller for automobile power system | |
| CN201765209U (en) | In-car air detecting device | |
| CN202305457U (en) | Indoor air monitoring alarm | |
| CN104637102A (en) | Desktop type fingerprint attendance machine | |
| CN204229587U (en) | Safety school bus intelligent monitor system | |
| CN203769856U (en) | Methane concentration detecting alarm | |
| CN203595818U (en) | Automatic alarm device for overloading of passenger car | |
| CN203025134U (en) | Alcohol concentration tester | |
| CN203025889U (en) | Automotive spontaneous combustion early warning device | |
| CN206781778U (en) | A kind of Locomotive axle temperature detects warning device circuit | |
| CN209044834U (en) | A kind of child loses school bus prior-warning device | |
| CN203318170U (en) | Intelligent drunk driving monitoring system | |
| CN202512047U (en) | Monitoring instrument for atmospheric particulates | |
| CN203311578U (en) | Smog detection alarm apparatus | |
| CN202770420U (en) | Solar aluminium frame rapid full-inspection tool | |
| CN203284146U (en) | Forklift alarm device | |
| CN203177987U (en) | Electrolytic bath temperature monitor | |
| CN202494659U (en) | Alcohol concentration detector | |
| CN205645206U (en) | A device for detecting display screen current overload | |
| CN206740882U (en) | A kind of zero pulse per second (PPS) igniter production detection means | |
| CN202120407U (en) | Monitoring and safety alarming system of abnormal driving behaviors | |
| CN205788335U (en) | A kind of harmful gas detection drive recorder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20160408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |