CN105319243A - System and method for inspecting drunk driving - Google Patents
System and method for inspecting drunk driving Download PDFInfo
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- CN105319243A CN105319243A CN201510901065.8A CN201510901065A CN105319243A CN 105319243 A CN105319243 A CN 105319243A CN 201510901065 A CN201510901065 A CN 201510901065A CN 105319243 A CN105319243 A CN 105319243A
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Abstract
The invention discloses a system and a method for inspecting drunk driving. A plurality of wireless sampling detection ends are mounted in a vehicle, and realize communication with an MCU of an original vehicle-mounted intelligent terminal in the vehicle through Zigbee to analyze and judge whether a driver is in a drunk driving state, and feed back detected information and such information as the position and the RFID of the vehicle to a cloud control center of the Traffic Police in real time, so that a traffic police can take proper measures and be responsible for the public safety. The system for inspecting drunk driving is small in error, low in cost and convenient to control, and has a prospect of being widely applied in the field of traffic management.
Description
Technical field
The present invention relates to the system and method that a kind of inspection is driven when intoxicated, particularly relate to a kind of system and method for driving when intoxicated based on the wireless sampling inspection of alcohol sensor.
Background technology
Drive when intoxicated is to the great behavior of public safety hazards.Be that traffic administration personnel (traffic police) allow measured face toward hand-held alcohol detecting device and blow at present to the arrange distinguish method of driving when intoxicated, whether the gas detecting measured's exhalation contains alcohol to judge whether it drinks.The method not only efficiency is low, also can cause the idea of leaving things to chance of drunk driver because of sampling observation, continues drunk driving and endanger self and public security in the time do not spot-check or place.On the other hand, the method can not ensure that measured must be the driver driven, and can not accomplish complete monitoring.In the place not having traffic police, some driver can have lucky psychology in arms and drive when intoxicated, and causes great harm to public security.
Chinese patent CN102411049A discloses a kind of Intelligent alcohol detector, comprises alcohol detection module, power module, microprocessor module, data communication module, information of vehicles identification module and display module.Electronic driving license recognition function, electronic license plate recognition function, electronics vehicle frame recognition function and alcohol detection function are integrated in one, accelerate law enforcement efficiency.But the patented product need be equipped to separately traffic police and use, and adds administrative expense, there is no the different of essence in form from existing law enforcement means.
Chinese patent CN102117538A discloses a kind of vehicle-mounted alcohol detection warning device and telemonitoring device, when after alcohol content information in systems axiol-ogy to car, display device outside vehicle body shows, traffic route is installed alcohol monitoring receiver, vehicle is monitored.But this patent relates to a large amount of hardware facilities, not only to reequip vehicle, also need transformation capital construction facility, cause the unnecessary waste of resource.
Summary of the invention
Based on the defect of prior art, the object of first aspect present invention is to provide the system that a kind of inspection is driven when intoxicated, require necessary several the wireless sample detecting ends of solar obligation of each vehicle, described wireless sample detecting end realizes communicating with the MCU of intelligent terminal by Zigbee communication agreement, alcohol screen test information is directly stored in described MCU, and information and vehicle location and RFID information are sent to traffic police's cloud control center by the radio communication such as Wifi and/or 4G and/or bluetooth by described MCU.
The system that inspection is driven when intoxicated, mainly comprises, information of vehicles module, detection module, wireless communication module, vehicle intelligent terminal and traffic police's cloud control center.
Described information of vehicles module is RFID, and each car has an independently RFID, and described RFID comprises electronic license plate information, electronics vehicle frame information, the driver driving card information of vehicle.
Described detection module comprises sensor unit, temperature sensor unit, air trapping unit, air-through holes, miniature air heating unit.
Described sensor unit comprises alcohol sensor and sensor microcircuit.
Described sensor microcircuit at least comprises DC micro-electric source, triode, variable resistor, and described direct supply is provided by micro portable battery.The collector of described alcohol sensor connecting triode, described variable resistor is connected with the base electrode of triode, and the emitting electrode of described triode connects described DC micro-electric source negative pole.Optionally, described sensor circuit can an electric capacity of voltage regulation in parallel.
Described sensor microcircuit, plated PC is on miniature mainboard.
Described wireless communication module, adopts Zigbee communication agreement, comprises Zigbee delivering end, Zigbee gateway and information process unit.Described variable resistor is connected by circuit with Zigbee delivering end, and variable-resistance transform electrical signals is that wireless signal sends by Zigbee delivering end.
The miniature mainboard of described detection module and Zigbee delivering end are packaged together and form wireless sample detecting end.
Optionally, described packaged type is: QFN encapsulates, i.e. quad flat non-pin package, has good electrical and thermal conductivity.
Described vehicle intelligent terminal is, carries Android system, with display device, the intelligent vehicle-carried intelligent terminal with multimedia function and communication function.
Described traffic police's cloud control center, the information of System local vehicle drunk driving risk, locate in real time doubtful drunk driving vehicle, for the vehicle that continuous three times give the alarm, traffic police's cloud control center can be undertaken conversing or call out du vehicule traffic police by intelligent terminal and car owner and support.
When driver's drunk driving being detected, signal is sent to traffic police's cloud control center by onboard system, and vehicle automatically cuts off oil circuit and kills engine.
Wireless sample detecting terminal number amount of the present invention can freely control, and Zigbee communication protocol information capacity is large, can meet the demand of varying number.Described wireless sample detecting end at least set amount is four, and two wireless sample detecting ends are arranged on bearing circle both sides, carry out real-time analysis to driver's breath sample, respectively arranges a wireless sample detecting end in copilot and back row seats.Further, for improving accuracy of detection, a technical scheme of the present invention arranges six wireless sample detecting ends, is specifically set to: operator seat two, copilot one, back row seats three.
The object of second aspect present invention is, the operation method of the system providing a kind of inspection to drive when intoxicated:
When personnel into the car, alcohol sensor starts to gather alcohol concentration information, and two alcohol sensors of driver driving position detect alcohol concentration numerical value respectively, are sent to MCU; The alcohol sensor of copilot and back row seats transmits alcohol concentration numerical value respectively to MCU; Data are carried out contrast screening by MCU, and the object of screening is the erroneous judgement preventing unlicensed person from drinking and cause.When driver driving position records the alcohol concentration that alcohol concentration records higher than copilot and back row seats, and when exceeding threshold value, MCU can the warning system of control terminal give the alarm, and concurrent carry information is to traffic police's cloud control center.
Particularly, the method for alcohol sensor measurement alcohol concentration is:
(1), open:
Work as car door opening, described intelligent terminal enters holding state, and described Zigbee gateway starts to receive information, and described Zigbee delivering end is started working, and the blank information collected is sent to the MCU of intelligent terminal, and intelligent terminal stores blank information.
(2), pre-service:
The wireless sample detecting end be distributed in car starts to gather air sample in car by its air trapping unit, and described air sample enters air-through holes; Temperature sensing unit detects air themperature and whether reaches 35 DEG C, if reach this value, then carries out next step, if do not reach, then starts miniature air heating unit.
Wherein, described air sample frequency acquisition be 3 ~ 5s once.
Not only further, described air-through holes is by conducting electricity or conduct electricity but also the material of heat conduction being formed, to facilitate air Fast Heating under less power.
(3), detect:
When air themperature reaches 35 DEG C, alcohol sensor is owing to touching gas, there is faint change in its electric current, because power supply is DC constant voltage power supply, variable resistor resistance can change, and this change gives described Zigbee delivering end by electrical signal transfer, and transform electrical signals is wireless signal by described Zigbee delivering end, transfer to Zigbee gateway in a wireless form, signal is sent to information process unit by described Zigbee gateway.
The type of described alcohol sensor is: fuel type electrochemical sensor or semiconductor type sensor, is preferably semiconductor type sensor.
(4), system comparison:
After information process unit receives signal, the Signal Pretreatment collected is formed packet by information process unit, and be sent to the MCU of described intelligent terminal, described MCU carries out screening to data and contrasts, the alcohol concentration recorded when driver driving position is higher than the alcohol concentration of copilot and back row seats, and described alcohol concentration is when exceeding threshold value, then prove that driver is in drunk driving, MCU can the warning system of control terminal give the alarm.
(5), process:
Drunk driving information is sent information to traffic police's cloud control center by MCU, the information of described traffic police's cloud control center System local vehicle drunk driving risk, doubtful drunk driving vehicle is located in real time, for the vehicle that continuous three times give the alarm, traffic police's cloud control center can be undertaken conversing or call out du vehicule traffic police by intelligent terminal and car owner and support.
The system and method that the inspection that the present invention relates to is driven when intoxicated, can detect the gas of breathing out to Che Nei driver in real time, automatically, exactly.When the present invention applies, large-scale redevelopment need not be carried out to in-vehicle device, only need access Zigbee communication interface can realize all functions of the present invention to intelligent terminal in car.The present invention detects the alcohol concentration of driver, copilot, back row seats simultaneously, reduces error and avoids erroneous judgement, stop the possibility of practising fraud simultaneously.
Accompanying drawing explanation
Fig. 1 is that the present invention patrols the main comprising modules schematic diagram of the system of driving when intoxicated.
Embodiment
Below by specific embodiment, further technical scheme of the present invention is specifically described.Should be appreciated that, the following examples just as illustrating, and do not limit the scope of the invention, and the apparent change made according to the present invention of those skilled in the art simultaneously and modification are also contained within the scope of the invention.
Embodiment 1
The system that inspection is driven when intoxicated, mainly comprises, information of vehicles module, detection module, wireless communication module, vehicle intelligent terminal and traffic police's cloud control center.
Described information of vehicles module is RFID, and each car has an independently RFID, and described RFID comprises electronic license plate information, electronics vehicle frame information, the driver driving card information of vehicle.Described detection module comprises sensor unit, temperature sensor unit, air trapping unit, air-through holes, miniature air heating unit.Described sensor unit comprises alcohol sensor and sensor microcircuit.Described sensor microcircuit at least comprises DC micro-electric source, triode, variable resistor, and described direct supply is provided by micro portable battery.The collector of described alcohol sensor connecting triode, described variable resistor is connected with the base electrode of triode, and the emitting electrode of described triode connects described DC micro-electric source negative pole.Described sensor microcircuit, plated PC is on miniature mainboard.Described wireless communication module, adopts Zigbee communication agreement, comprises Zigbee delivering end, Zigbee gateway and information process unit.Described variable resistor is connected by circuit with Zigbee delivering end, and variable-resistance transform electrical signals is that wireless signal sends by Zigbee delivering end.The miniature mainboard of described detection module and Zigbee delivering end are packaged together and form wireless sample detecting end.Described vehicle intelligent terminal is, carries Android system, with display device, the intelligent vehicle-carried intelligent terminal with multimedia function and communication function.Described traffic police's cloud control center, the information of System local vehicle drunk driving risk, locate in real time doubtful drunk driving vehicle, for the vehicle that continuous three times give the alarm, traffic police's cloud control center can be undertaken conversing or call out du vehicule traffic police by intelligent terminal and car owner and support.
Administrative law-enforcement departments require necessary several the wireless sample detecting ends of solar obligation of each vehicle, described wireless sample detecting end realizes communicating with the MCU of intelligent terminal by Zigbee communication agreement, alcohol screen test information is directly stored in described MCU, and information and vehicle location and RFID information are sent to traffic police's cloud control center by the radio communication such as Wifi and/or 4G and/or bluetooth by described MCU.When driver's drunk driving being detected, signal is sent to traffic police's cloud control center by onboard system, and vehicle automatically cuts off oil circuit and kills engine.
When personnel into the car, alcohol sensor starts to gather alcohol concentration information, and two alcohol sensors of driver driving position detect alcohol concentration numerical value respectively, are sent to MCU; The alcohol sensor of copilot and back row seats transmits alcohol concentration numerical value respectively to MCU; Data are carried out contrast screening by MCU, and the object of screening is the erroneous judgement preventing unlicensed person from drinking and cause.When driver driving position records the alcohol concentration that alcohol concentration records higher than copilot and back row seats, and when exceeding threshold value, MCU can the warning system of control terminal give the alarm, and concurrent carry information is to traffic police's cloud control center.
Particularly, the method for alcohol sensor measurement alcohol concentration is:
(1), open:
Work as car door opening, described intelligent terminal enters holding state, and described Zigbee gateway starts to receive information, and described Zigbee delivering end is started working, and the blank information collected is sent to the MCU of intelligent terminal, and intelligent terminal stores blank information.
(2), pre-service:
The wireless sample detecting end be distributed in car starts to gather air sample in car by its air trapping unit, and described air sample enters air-through holes; Temperature sensing unit detects air themperature and whether reaches 35 DEG C, if reach this value, then carries out next step, if do not reach, then starts miniature air heating unit.Wherein, described air sample frequency acquisition be 3 ~ 5s once.
(3), detect:
When air themperature reaches 35 DEG C, alcohol sensor is owing to touching gas, there is faint change in its electric current, because power supply is DC constant voltage power supply, variable resistor resistance can change, and this change gives described Zigbee delivering end by electrical signal transfer, and transform electrical signals is wireless signal by described Zigbee delivering end, transfer to Zigbee gateway in a wireless form, signal is sent to information process unit by described Zigbee gateway.
(4), system comparison:
After information process unit receives signal, the Signal Pretreatment collected is formed packet by information process unit, and be sent to the MCU of described intelligent terminal, described MCU carries out screening to data and contrasts, the alcohol concentration recorded when driver driving position is higher than the alcohol concentration of copilot and back row seats, and described alcohol concentration is when exceeding threshold value, then prove that driver is in drunk driving, MCU can the warning system of control terminal give the alarm.
(5), process:
Drunk driving information is sent information to traffic police's cloud control center by MCU, the information of described traffic police's cloud control center System local vehicle drunk driving risk, doubtful drunk driving vehicle is located in real time, for the vehicle that continuous three times give the alarm, traffic police's cloud control center can be undertaken conversing or call out du vehicule traffic police by intelligent terminal and car owner and support.
Claims (5)
1. an inspection system of driving when intoxicated, comprises information of vehicles module, detection module, wireless communication module, vehicle intelligent terminal and traffic police's cloud control center;
Described information of vehicles module is RFID, and each car has an independently RFID, and described RFID comprises electronic license plate information, electronics vehicle frame information, the driver driving card information of vehicle;
Described detection module comprises sensor unit, temperature sensor unit, air trapping unit, air-through holes, miniature air heating unit;
Described sensor unit comprises alcohol sensor and sensor microcircuit;
Described sensor microcircuit at least comprises DC micro-electric source, triode, variable resistor, and described direct supply is provided by micro portable battery; The collector of described alcohol sensor connecting triode, described variable resistor is connected with the base electrode of triode, and the emitting electrode of described triode connects described DC micro-electric source negative pole; Described sensor microcircuit, plated PC is on miniature mainboard;
Described wireless communication module, adopts Zigbee communication agreement, comprises Zigbee delivering end, Zigbee gateway and information process unit; Described variable resistor is connected by circuit with Zigbee delivering end, and variable-resistance transform electrical signals is that wireless signal sends by Zigbee delivering end;
The miniature mainboard of described detection module and Zigbee delivering end are packaged together and form wireless sample detecting end;
Described vehicle intelligent terminal is, carries Android system, with display device, the intelligent vehicle-carried intelligent terminal with multimedia function and communication function;
Described traffic police's cloud control center, the information of System local vehicle drunk driving risk, locate in real time doubtful drunk driving vehicle, for the vehicle that continuous three times give the alarm, traffic police's cloud control center can be undertaken conversing or call out du vehicule traffic police by intelligent terminal and car owner and support;
When driver's drunk driving being detected, signal is sent to traffic police's cloud control center by onboard system, and vehicle automatically cuts off oil circuit and kills engine;
Wireless sample detecting terminal number amount of the present invention can freely control, at least set amount is four, two wireless sample detecting ends are arranged on bearing circle both sides, carry out real-time analysis to driver's breath sample, respectively arrange a wireless sample detecting end in copilot and back row seats.
2. to patrol according to claim 1 the system of driving when intoxicated, it is characterized in that: be optional, a described sensor circuit electric capacity of voltage regulation in parallel.
3. to patrol according to claim 1 the system of driving when intoxicated, it is characterized in that: the miniature mainboard of described detection module and the packaged type of Zigbee delivering end are that QFN encapsulates, i.e. quad flat non-pin package.
4. to patrol according to claim 1 the system of driving when intoxicated, it is characterized in that: described wireless sample detecting end is set to six, is specifically set to: operator seat two, copilot one, back row seats three.
5. the inspection operation method of system of driving when intoxicated, is characterized in that: described method is based on the arbitrary vehicle-mounted alcohol concentration automatic checkout equipment described in Claims 1 to 4;
When personnel into the car, alcohol sensor starts to gather alcohol concentration information, and two alcohol sensors of driver driving position detect alcohol concentration numerical value respectively, are sent to MCU; The alcohol sensor of copilot and back row seats transmits alcohol concentration numerical value respectively to MCU; Data are carried out contrast screening by MCU, and the object of screening is the erroneous judgement preventing unlicensed person from drinking and cause; When driver driving position records the alcohol concentration that alcohol concentration records higher than copilot and back row seats, and when exceeding threshold value, MCU can the warning system of control terminal give the alarm, and concurrent carry information is to traffic police's cloud control center.
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| CN201510901065.8A CN105319243A (en) | 2015-12-09 | 2015-12-09 | System and method for inspecting drunk driving |
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| CN201510901065.8A CN105319243A (en) | 2015-12-09 | 2015-12-09 | System and method for inspecting drunk driving |
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