CN104908588A - Method and system for preventing drunk driving - Google Patents
Method and system for preventing drunk driving Download PDFInfo
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- CN104908588A CN104908588A CN201510259918.2A CN201510259918A CN104908588A CN 104908588 A CN104908588 A CN 104908588A CN 201510259918 A CN201510259918 A CN 201510259918A CN 104908588 A CN104908588 A CN 104908588A
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Abstract
The invention provides a method and a system for preventing drunk driving, capable of providing later-stage assistance for a drunk driving driver. The method comprises the steps that S1, whether a car door is closed and a driver seats are detected, if so, whether the concentration of alcohol contained in a body of the driver exceeds a preset alcohol concentration threshold is determined; S2, if exceeds, an ignition return circuit is controlled to be disconnected, and a current position of the driver is sent to a contact preset by a mobile terminal; S3, if no exceeds, the ignition return circuit is controlled to be switched on; and S4, whether the car door is opened once is detected, if so, return to S1 to detect again. The method and the system are suitable for the technical field of electronic accessories of automobiles.
Description
Technical field
The present invention relates to vehicle electronics accessory technical field, refer to a kind of prevention drunk driving method and system especially.
Background technology
In recent years, along with the high speed development of China's arteries of communication, automobile is while bringing great convenience to people, the threat brought to arteries of communication also increases thereupon, and, it should be noted that in traffic accident that to cause dead accident more than half all relevant with drunken driving.Therefore, minimizing even avoids chaufeur to have an accident because of drunken driving has become problem demanding prompt solution.
Within 2007, Volvo AB of Sweden develops alco key, alco key is connected with the starter gear of automotive engine, when detecting that the alcohol content of chaufeur exceeds standard, the startup of automotive engine can be blocked, and the application that takes the lead on European car money, when using automobile, must be blown by the gas hole of chaufeur to alco key, judge whether chaufeur drinks.Within 2007, Nissan Motor also have developed their alco key, but the alcohol monitor on daily output car is not be combined with key, but separate connection is on automobile computer.On August 3rd, 2007, overall application prevents every technology of driving when intoxicated on a daily output car, this car has installed sensor on Shift lever and operating seat, alcohol content is detected from the sweat of driver's palm of the hand, and the fume that perception health sends, if detect alcohol, automobile can send ring alarm in systems such as navigation, and automatic locking change-speed box, make automobile cannot continue to travel.Whether within 2008, China also develops alcohol detection technology, can analyze alcohol concentration in chaufeur sweat and exceed standard in 20 seconds, and detects the behavior whether having and replace detecting, once exceed standard or fingerprint is not inconsistent, vehicle then cannot start.But above-mentioned technology can not prevent other people from replacing chaufeur to carry out alcohol detection, does not provide the later stage to help to drunk driving chaufeur, and to different automobile types repacking more greatly, does not have universality, cost is high.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of prevention drunk driving method and system, can not prevent other people from replacing chaufeur to carry out alcohol detection to solve existing for prior art, do not provide the later stage to help to drunk driving chaufeur, and to the repacking of different automobile types, more greatly, not there is universality, problem that cost is high.
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of prevention drunk driving method, comprising:
S1, detects whether car door closes, whether chaufeur takes a seat, and after closing of the door, chaufeur are taken a seat, determines in chaufeur body, whether contained alcohol concentration exceedes default alcohol concentration threshold value;
S2, if exceed, then controls ignition circuit and disconnects, and the current location of chaufeur is sent to the default contact person of mobile terminal;
S3, if do not exceed, then controls ignition circuit conducting;
Whether S4, detect car door and opened, if opened, then return S1 and re-start detection.
Alternatively, described S1 comprises:
Detect car door by car door detection module whether to close, and closing of the door state is sent to master controller;
Detect the force value above operator's saddle by pressure detection module, determine the state of taking a seat of chaufeur, and the state of taking a seat of chaufeur is sent to master controller;
When car door close, chaufeur take a seat time, whether exceed default alcohol concentration threshold value by the alcohol concentration in alcohol detection module determination chaufeur body, if exceed, then send to master controller and to exceed standard indicator signal; Otherwise, then normal indicator signal is sent to master controller.
Alternatively, described S2 comprises:
If the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value, control electromagnetic relay module by master controller according to the indicator signal that exceeds standard received and ignition circuit is disconnected;
Start short message module simultaneously and send overproof note to mobile terminal;
And the current location of chaufeur is caught by mobile terminal, the current location of chaufeur is sent to household that mobile terminal presets, friend or generation drives company simultaneously.
Alternatively, described S3 comprises:
If the alcohol concentration in chaufeur body does not exceed default alcohol concentration threshold value, control electromagnetic relay module by ignition circuit conducting by master controller according to the normal indicator signal received.
Alternatively, by power module for described pressure detection module, car door detection module, alcohol detection module, master controller, short message module, electromagnetic relay module provide operating voltage;
Described power module comprises: decoupling capacitor; Described decoupling capacitor, for will digitally and in analog separate with magnetic bead.
Alternatively, the overproof note sent by mobile terminal real-time listening short message module, the current location of location chaufeur, arranges associated person information, checks traffic regulation, and carry out long-range car controlling in real time.
On the other hand, the embodiment of the present invention also provides a kind of prevention drunk driving system, comprising:
First detecting unit, for detecting, whether car door closes, whether chaufeur takes a seat, and after closing of the door, chaufeur are taken a seat, determines in chaufeur body, whether contained alcohol concentration exceedes default alcohol concentration threshold value;
First control unit, for when alcohol concentration contained in chaufeur body exceedes default alcohol concentration threshold value, then controls ignition circuit and disconnects, and the current location of chaufeur is sent to the default contact person of mobile terminal;
Second control unit, for when alcohol concentration contained in chaufeur body does not exceed default alcohol concentration threshold value, then controls ignition circuit conducting;
Whether the second detecting unit, opened for detecting car door, if opened, then returns S1 and re-start detection.
Alternatively, described first detecting unit comprises:
Whether car door detection module, close for detecting car door, and closing of the door state be sent to master controller;
Pressure detection module, for detecting the force value above operator's saddle, determining the state of taking a seat of chaufeur, and the state of taking a seat of chaufeur is sent to master controller;
Alcohol detection module, for closing when car door, chaufeur is when taking a seat, and determines whether the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value, if exceed, then sends to master controller the indicator signal that exceeds standard; Otherwise, then normal indicator signal is sent to master controller.
Alternatively, described first control unit comprises:
Disconnect igniting return circuit module, for when the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value, control electromagnetic relay module by master controller according to the indicator signal that exceeds standard received and ignition circuit is disconnected;
Short message module, for sending overproof note to mobile terminal;
Position sending module, for being caught the current location of chaufeur by mobile terminal, the current location of chaufeur is sent to household that mobile terminal presets, friend or generation drives company simultaneously.
Alternatively, described second control unit: also for when the alcohol concentration in chaufeur body does not exceed default alcohol concentration threshold value, controls electromagnetic relay module by ignition circuit conducting by master controller according to the normal indicator signal received.
The beneficial effect of technique scheme of the present invention is as follows:
In such scheme, whether close by first detecting car door, whether chaufeur takes a seat, work as closing of the door, after chaufeur is taken a seat, determine in chaufeur body, whether contained alcohol concentration exceedes default alcohol concentration threshold value, when alcohol concentration contained in chaufeur body exceedes default alcohol concentration threshold value, control ignition circuit disconnects, and positioned by the current location of mobile terminal to chaufeur and the current location navigated to be sent to the default contact person of mobile terminal, described contact person is made to come to support, compensate for traditional anti-drunk driving device does not carry out later stage assistance deficiency to drunk driver, in addition, after closing of the door, chaufeur are taken a seat, alcohol concentration contained in chaufeur body is detected, and after car door is opened, again need detect contained alcohol concentration in chaufeur body and whether exceed default alcohol concentration threshold value, the cheatings such as other people blow in generation can be prevented, thus the reliability of drunk driving detection can be improved, prevent chaufeur drunk driving.
Accompanying drawing explanation
The method flow diagram of the prevention drunk driving method that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the prevention drunk driving device that Fig. 2 provides for the embodiment of the present invention;
The circuit structure diagram of the power module that Fig. 3 provides for the embodiment of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The present invention is directed to and existingly can not prevent other people from replacing chaufeur to carry out alcohol detection, the later stage is not provided to help to drunk driving chaufeur, and to the repacking of different automobile types more greatly, do not have universality, cost high problem, a kind of prevention drunk driving method and system are provided.
Embodiment one
Shown in Fig. 1, the prevention drunk driving method that the embodiment of the present invention provides, comprising:
S1, detects whether car door closes, whether chaufeur takes a seat, and after closing of the door, chaufeur are taken a seat, determines in chaufeur body, whether contained alcohol concentration exceedes default alcohol concentration threshold value;
S2, if exceed, then controls ignition circuit and disconnects, and the current location of chaufeur is sent to the default contact person of mobile terminal;
S3, if do not exceed, then controls ignition circuit conducting;
Whether S4, detect car door and opened, if opened, then return S1 and re-start detection.
Prevention drunk driving method described in the embodiment of the present invention, whether close by first detecting car door, whether chaufeur takes a seat, work as closing of the door, after chaufeur is taken a seat, determine in chaufeur body, whether contained alcohol concentration exceedes default alcohol concentration threshold value, when alcohol concentration contained in chaufeur body exceedes default alcohol concentration threshold value, control ignition circuit disconnects, and positioned by the current location of mobile terminal to chaufeur and the current location navigated to be sent to the default contact person of mobile terminal, described contact person is made to come to support, compensate for traditional anti-drunk driving device does not carry out later stage assistance deficiency to drunk driver, in addition, after closing of the door, chaufeur are taken a seat, alcohol concentration contained in chaufeur body is detected, and after car door is opened, again need detect contained alcohol concentration in chaufeur body and whether exceed default alcohol concentration threshold value, the cheatings such as other people blow in generation can be prevented, thus the reliability of drunk driving detection can be improved, prevent chaufeur drunk driving.
Shown in Fig. 2, in the embodiment of the present invention, by mobile terminal and prevention drunk driving device are combined, detect the alcohol concentration in chaufeur body, control starting of automobile.Concrete process is: check whether car door closes, whether chaufeur takes a seat by prevention drunk driving device and alcohol concentration in chaufeur body, and control starting of automobile according to testing result.Described prevention drunk driving device is integrated in automotive interior, there are three input ends and two mouths, be connected by master controller between input end with mouth, three input ends are respectively pressure detection module, car door detection module and alcohol detection module, and two mouths are respectively short message module and electromagnetic relay module.Prevention drunk driving apparatus structure provided by the invention is simple, portable by force, cost is low, practical, and has very strong universality.
In the embodiment of the present invention, the APP of the prevention drunk driving that described mobile terminal uses uses Eclipse Android SDK (Software Development Kit), is write, support the system of android version more than 4.0 by JAVA development language, the reusability of this mobile terminal code is high, and different editions is better compatible.Shown in Java development language relate to: the building of data bank, SharedPreferences preservation, Service backstage, BroadcastReceiver broadcast, APPlication, Activity and various View controls etc.
In the detailed description of the invention of aforementioned prevention drunk driving method, alternatively, described S1 comprises:
Detect car door by car door detection module whether to close, and closing of the door state is sent to master controller;
Detect the force value above operator's saddle by pressure detection module, determine the state of taking a seat of chaufeur, and the state of taking a seat of chaufeur is sent to master controller;
When car door close, chaufeur take a seat time, whether exceed default alcohol concentration threshold value by the alcohol concentration in alcohol detection module determination chaufeur body, if exceed, then send to master controller and to exceed standard indicator signal; Otherwise, then normal indicator signal is sent to master controller.
In the embodiment of the present invention, first judge whether to need to detect, if needed, then detect the force value on operator's saddle successively, whether car door closes and whether alcohol detection module has air-flow to blow over.Shut at car door, chaufeur is sat straight, and chaufeur determines whether the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value after blowing to alcohol detection module.
In the embodiment of the present invention, whether chaufeur into the car, is closed by car door detection module interpretation car door, and closing of the door state is sent to master controller; After chaufeur is taken a seat, the pressure detection module be placed on below vehicle seat detects the force value above operator's saddle, such as, described pressure detection module can be pressure sensor, and described force value and preset pressure threshold value are compared, when described force value is greater than preset pressure threshold value, determine that chaufeur is taken a seat, and the chaufeur state of taking a seat is sent to master controller.Described preset pressure threshold value is the weight range according to human normal, determines after repeatedly testing and debugging, and the force value detected of pressure detection module is also an important Testing index of prevention drunk driving.
In the embodiment of the present invention, the core code of pressure detection module is:
In the embodiment of the present invention, when car door close, chaufeur takes a seat, chaufeur is facing to after the alcohol puff port air blowing of alcohol detection module, such as, described alcohol detection module can be the telescoping alcohol sensor placed in car, and described alcohol detection module, according to the regulation of country to drunk driving alcohol concentration standard, judges the state of drinking of current driver's, if the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value, send to master controller the indicator signal that exceeds standard; Otherwise, then normal indicator signal is sent to master controller.
In the embodiment of the present invention, default alcohol concentration threshold value formula is determined according to the up-to-date regulation of 2015 drunk driving drunk driving punishment criteria.The up-to-date regulation of 2015 drunk driving drunk driving punishment criteria, drunken driving divides two kinds: alcohol content reaches 20mg/100ml but less than 80mg/100ml, belongs to drinking drive; Alcohol content meets or exceeds 80mg/100ml, belongs to drink-driving.To this, the present invention is according to the examination criteria of country to expiration formula alcohol tester, in laboratory environment, test with the gas volatilized after the dilution of certain brand white wine, make the reading of mensuration reach the alcohol concentration threshold value of numerical value as prevention drunk driving device of the alcohol concentration that drunk driving drunk driving punishment criteria specifies by dilution.Afterwards, the present invention divides again and is arranged on different automobile by prevention drunk driving device three times, tests 20 volunteers at every turn at random, and by the analysis of testing result and contrast, the accuracy that prevention drunk driving method provided by the invention detects reaches 93.3%.
In the detailed description of the invention of aforementioned prevention drunk driving method, alternatively, described S2 comprises:
If the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value, control electromagnetic relay module by master controller according to the indicator signal that exceeds standard received and ignition circuit is disconnected;
Start short message module simultaneously and send overproof note to mobile terminal;
And the current location of chaufeur is caught by mobile terminal, the current location of chaufeur is sent to household that mobile terminal presets, friend or generation drives company simultaneously.
In the embodiment of the present invention, car door detection module is detected the status information whether car door closes, whether the chaufeur that pressure detection module detects takes a seat, the level signal whether alcohol concentration in the chaufeur body that alcohol detection module detects exceedes default alcohol concentration threshold value is sent to master controller, carries out judgement determine that whether chaufeur is by detecting by described master controller to above-mentioned Detection Information.
In the embodiment of the present invention, when the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value, alcohol detection module sends to master controller the indicator signal that exceeds standard, chaufeur is not by detecting, by controlling electromagnetic relay module by master controller according to the indicator signal that exceeds standard received, ignition circuit is disconnected, start short message module simultaneously and send overproof note to mobile terminal, and the current location of chaufeur is caught by mobile terminal, the current location of chaufeur is sent to household that mobile terminal presets, friend or generation drives company simultaneously.
In the embodiment of the present invention, when master controller does not receive whole Detection Information, then illustrate and do not complete detection, disconnected by main controller controls ignition circuit, and start short message module and send overproof note to mobile terminal, and the current location of chaufeur is caught by mobile terminal, the current location of chaufeur is sent to household that mobile terminal presets, friend or generation drives company simultaneously, described whole Detection Information comprises: whether car door closes, whether chaufeur takes a seat, and whether alcohol detection exceeds standard.
In the embodiment of the present invention, described short message module is directly connected with RX and the TX (two lines of serial communication) of C51, and namely C51 chip is by serial communication, sends corresponding order to short message module.In embodiments of the present invention, the order of using has complex potential function AT_RST (), fill message central number function AT_CSCA (), short message content function ATNAME () sent, fills in target mobile phones function AT_CMGS ().
In the detailed description of the invention of aforementioned prevention drunk driving method, alternatively, described S3 comprises:
If the alcohol concentration in chaufeur body does not exceed default alcohol concentration threshold value, control electromagnetic relay module by ignition circuit conducting by master controller according to the normal indicator signal received.
In the embodiment of the present invention, in the embodiment of the present invention, when the alcohol concentration in chaufeur body does not exceed default alcohol concentration threshold value, alcohol detection module sends normal indicator signal to master controller, chaufeur is by detecting, and master controller controls electromagnetic relay module by ignition circuit conducting according to the normal indicator signal received.
In the detailed description of the invention of aforementioned prevention drunk driving method, alternatively, by power module for described pressure detection module, car door detection module, alcohol detection module, master controller, short message module, electromagnetic relay module provide operating voltage;
Described power module comprises: decoupling capacitor; Described decoupling capacitor, for will digitally and in analog separate with magnetic bead.
In the embodiment of the present invention, described prevention drunk driving device also comprises: power module, described source module provides operating voltage for described pressure detection module, car door detection module, alcohol detection module, master controller, short message module, electromagnetic relay module, the circuit diagram of described power module is referring to shown in Fig. 3, and the basic specification of each module and function are referring to shown in table 1.The principle of stabilized voltage of described power module is: use stabilivolt that 12V voltage is dropped to 5V, the power unit of whole prevention drunk driving device adopts AMS1117 to power, be furnished with decoupling capacitor, will digitally and in analog with magnetic bead separate simultaneously, prevent motor big current from causing interference to prevention drunk driving device.AMS1117 series voltage stabilizer has adjustable version and multiple fixed voltage version, and being designed for provides 1A outgoing current and operting differential pressure can be low to moderate 1V.When maximum current output, the pressure reduction guarantee of AMS1117 device is maximum is no more than 1.3V, and reduces gradually with the reduction of load current.
Table 1 prevents basic specification and the function of each module of drunk driving device
In the detailed description of the invention of aforementioned prevention drunk driving method, alternatively, the overproof note sent by mobile terminal real-time listening short message module, the current location of real-time location chaufeur, associated person information is set, checks traffic regulation, and carry out long-range car controlling.
In the embodiment of the present invention, the foreground function that described mobile terminal provides can comprise: check the current location of traffic regulation, in real time location chaufeur, contact person is set (comprising: add contact person, amendment contact person, delete contact person), for exchange and by global system for mobile communications (Global System for MobileCommunications), the function of GSM remote control vehicle.
In the embodiment of the present invention, described mobile terminal also provides two large background function, one be read, real-time listening prevention drunk driving device sends overproof note, this is Core Feature, current for chaufeur position information sends to designated contact to be processed by mobile terminal background function by two, chaufeur can not directly carry out with it alternately, and the overproof note sent by mobile terminal monitoring short message module also sends chaufeur current position information to the contact person preset.During mobile terminal short message reading data bank, detect by the eliminating of particular number the overproof note that whether receives prevention drunk driving device and send chaufeur current position information to default contact person, authority must be added in statement file could realize, be pointed out that, described particular number refers to and also can be understood as the number of prevention drunk driving device by the SIM number that prevention drunk driving device short message module is built-in; Described statement file is in the code of mobile terminal, and this mobile terminal code is not increased income; Add authority and refer to that reading in the terminal and monitoring overproof note is need interpolation in the code of mobile terminal to read the access rights of chaufeur note.
Embodiment two
The present invention also provides a kind of detailed description of the invention of preventing drunk driving system, because prevention drunk driving system provided by the invention is corresponding with the detailed description of the invention of aforementioned prevention drunk driving method, this prevention drunk driving system can realize object of the present invention by the process step performed in said method detailed description of the invention, therefore the explanation explanation in above-mentioned prevention drunk driving method detailed description of the invention, also be applicable to the detailed description of the invention of prevention drunk driving system provided by the invention, will repeat no more in the detailed description of the invention below the present invention.
The embodiment of the present invention also provides a kind of prevention drunk driving system, comprising:
First detecting unit, for detecting, whether car door closes, whether chaufeur takes a seat, and after closing of the door, chaufeur are taken a seat, determines in chaufeur body, whether contained alcohol concentration exceedes default alcohol concentration threshold value;
First control unit, for when alcohol concentration contained in chaufeur body exceedes default alcohol concentration threshold value, then controls ignition circuit and disconnects, and the current location of chaufeur is sent to the default contact person of mobile terminal;
Second control unit, for when alcohol concentration contained in chaufeur body does not exceed default alcohol concentration threshold value, then controls ignition circuit conducting;
Whether the second detecting unit, opened for detecting car door, if opened, then returns S1 and re-start detection.
Prevention drunk driving system described in the embodiment of the present invention, first detect car door whether to close, whether chaufeur takes a seat, work as closing of the door, after chaufeur is taken a seat, determine in chaufeur body, whether contained alcohol concentration exceedes default alcohol concentration threshold value, when alcohol concentration contained in chaufeur body exceedes default alcohol concentration threshold value, control ignition circuit disconnects, and positioned by the current location of mobile terminal to chaufeur and the current location navigated to be sent to the default contact person of mobile terminal, described contact person is made to come to support, compensate for traditional anti-drunk driving device does not carry out later stage assistance deficiency to drunk driver, in addition, after closing of the door, chaufeur are taken a seat, alcohol concentration contained in chaufeur body is detected, and after car door is opened, again need detect contained alcohol concentration in chaufeur body and whether exceed default alcohol concentration threshold value, the cheatings such as other people blow in generation can be prevented, thus the reliability of drunk driving detection can be improved, prevent chaufeur drunk driving.
In the detailed description of the invention of aforementioned prevention drunk driving system, alternatively, described first detecting unit comprises:
Whether car door detection module, close for detecting car door, and closing of the door state be sent to master controller;
Pressure detection module, for detecting the force value above operator's saddle, determining the state of taking a seat of chaufeur, and the state of taking a seat of chaufeur is sent to master controller;
Alcohol detection module, for closing when car door, chaufeur is when taking a seat, and determines whether the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value, if exceed, then sends to master controller the indicator signal that exceeds standard; Otherwise, then normal indicator signal is sent to master controller.
In the detailed description of the invention of aforementioned prevention drunk driving system, alternatively, described first control unit comprises:
Disconnect igniting return circuit module, for when the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value, control electromagnetic relay module by master controller according to the indicator signal that exceeds standard received and ignition circuit is disconnected;
Short message module, for sending overproof note to mobile terminal;
Position sending module, for being caught the current location of chaufeur by mobile terminal, the current location of chaufeur is sent to household that mobile terminal presets, friend or generation drives company simultaneously.
In the detailed description of the invention of aforementioned prevention drunk driving system, alternatively, described second control unit: also for when the alcohol concentration in chaufeur body does not exceed default alcohol concentration threshold value, controls electromagnetic relay module by ignition circuit conducting by master controller according to the normal indicator signal received.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. prevent a drunk driving method, it is characterized in that, comprising:
S1, detects whether car door closes, whether chaufeur takes a seat, and after closing of the door, chaufeur are taken a seat, determines in chaufeur body, whether contained alcohol concentration exceedes default alcohol concentration threshold value;
S2, if exceed, then controls ignition circuit and disconnects, and the current location of chaufeur is sent to the default contact person of mobile terminal;
S3, if do not exceed, then controls ignition circuit conducting;
Whether S4, detect car door and opened, if opened, then return S1 and re-start detection.
2. method according to claim 1, is characterized in that, described S1 comprises:
Detect car door by car door detection module whether to close, and closing of the door state is sent to master controller;
Detect the force value above operator's saddle by pressure detection module, determine the state of taking a seat of chaufeur, and the state of taking a seat of chaufeur is sent to master controller;
When car door close, chaufeur take a seat time, whether exceed default alcohol concentration threshold value by the alcohol concentration in alcohol detection module determination chaufeur body, if exceed, then send to master controller and to exceed standard indicator signal; Otherwise, then normal indicator signal is sent to master controller.
3. method according to claim 2, is characterized in that, described S2 comprises:
If the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value, control electromagnetic relay module by master controller according to the indicator signal that exceeds standard received and ignition circuit is disconnected;
Start short message module simultaneously and send overproof note to mobile terminal;
And the current location of chaufeur is caught by mobile terminal, the current location of chaufeur is sent to household that mobile terminal presets, friend or generation drives company simultaneously.
4. method according to claim 2, is characterized in that, described S3 comprises:
If the alcohol concentration in chaufeur body does not exceed default alcohol concentration threshold value, control electromagnetic relay module by ignition circuit conducting by master controller according to the normal indicator signal received.
5. method according to claim 3, is characterized in that, by power module for described pressure detection module, car door detection module, alcohol detection module, master controller, short message module, electromagnetic relay module provide operating voltage;
Described power module comprises: decoupling capacitor; Described decoupling capacitor, for will digitally and in analog separate with magnetic bead.
6. method according to claim 1, is characterized in that, the overproof note sent by mobile terminal real-time listening short message module, and the current location of location chaufeur, arranges associated person information, check traffic regulation, and carry out long-range car controlling in real time.
7. prevent a drunk driving system, it is characterized in that, comprising:
First detecting unit, for detecting, whether car door closes, whether chaufeur takes a seat, and after closing of the door, chaufeur are taken a seat, determines in chaufeur body, whether contained alcohol concentration exceedes default alcohol concentration threshold value;
First control unit, for when alcohol concentration contained in chaufeur body exceedes default alcohol concentration threshold value, then controls ignition circuit and disconnects, and the current location of chaufeur is sent to the default contact person of mobile terminal;
Second control unit, for when alcohol concentration contained in chaufeur body does not exceed default alcohol concentration threshold value, then controls ignition circuit conducting;
Whether the second detecting unit, opened for detecting car door, if opened, then returns S1 and re-start detection.
8. system according to claim 7, is characterized in that, described first detecting unit comprises:
Whether car door detection module, close for detecting car door, and closing of the door state be sent to master controller;
Pressure detection module, for detecting the force value above operator's saddle, determining the state of taking a seat of chaufeur, and the state of taking a seat of chaufeur is sent to master controller;
Alcohol detection module, for closing when car door, chaufeur is when taking a seat, and determines whether the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value, if exceed, then sends to master controller the indicator signal that exceeds standard; Otherwise, then normal indicator signal is sent to master controller.
9. system according to claim 8, is characterized in that, described first control unit comprises:
Disconnect igniting return circuit module, for when the alcohol concentration in chaufeur body exceedes default alcohol concentration threshold value, control electromagnetic relay module by master controller according to the indicator signal that exceeds standard received and ignition circuit is disconnected;
Short message module, for sending overproof note to mobile terminal;
Position sending module, for being caught the current location of chaufeur by mobile terminal, the current location of chaufeur is sent to household that mobile terminal presets, friend or generation drives company simultaneously.
10. system according to claim 8, it is characterized in that, described second control unit: also for when the alcohol concentration in chaufeur body does not exceed default alcohol concentration threshold value, controls electromagnetic relay module by ignition circuit conducting by master controller according to the normal indicator signal received.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106073770A (en) * | 2016-07-28 | 2016-11-09 | 宇龙计算机通信科技(深圳)有限公司 | Control method and control system |
| CN106183808A (en) * | 2016-07-29 | 2016-12-07 | 宇龙计算机通信科技(深圳)有限公司 | A kind of method of wagon control based on alcohol content tester and terminal |
| CN106564373A (en) * | 2016-11-10 | 2017-04-19 | 合肥移顺信息技术有限公司 | Test method and device for verifying and preventing drunk driving |
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| CN109878331A (en) * | 2019-03-13 | 2019-06-14 | 陈轶芃 | A kind of Intelligent locking system based on pre- drunk-driving prevention |
| CN113879314A (en) * | 2020-07-01 | 2022-01-04 | 罗敏 | Vehicle-mounted system and method for monitoring human physiological data |
| CN113002299A (en) * | 2021-03-24 | 2021-06-22 | 许玲中 | Alcohol induction braking device and method |
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Application publication date: 20150916 |