CN112124071B - Drunk driving detection system and method for vehicle and vehicle - Google Patents
Drunk driving detection system and method for vehicle and vehicle Download PDFInfo
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- CN112124071B CN112124071B CN201910555389.9A CN201910555389A CN112124071B CN 112124071 B CN112124071 B CN 112124071B CN 201910555389 A CN201910555389 A CN 201910555389A CN 112124071 B CN112124071 B CN 112124071B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
- B60K28/06—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver
- B60K28/063—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver preventing starting of vehicles
Abstract
The invention relates to the field of intelligent vehicles, and provides a drunk driving detection system and method for a vehicle and the vehicle. The drunk driving detection system of the vehicle comprises a first external vent, a first internal blowing face air opening, a second internal blowing face air opening, a first air blower, a second external vent, an internal middle top vent, a second air blower, a first alcohol sensor and a controller, wherein the controller is used for controlling the first air blower to blow air so as to enable air outside the vehicle to enter the vehicle through a first channel, controlling the second air blower to suck air so as to enable air inside the vehicle to be discharged outside the vehicle through a second channel, and controlling the first alcohol sensor to detect a first alcohol concentration of the air passing through the internal middle top vent; and when the first alcohol concentration is greater than the threshold value, judging that the driver is drunk and driving. The method can be used for quickly and accurately detecting whether the driver drives drunk.
Description
Technical Field
The invention relates to the technical field of intelligent vehicles, in particular to a drunk driving detection system and method for a vehicle and the vehicle.
Background
At present, automobile safety is a concern of more and more automobile engineers, and besides the safety airbag, functions of fatigue driving reminding, camera monitoring, drunk driving detection and the like are added.
For the drunk driving detection function, most of the current vehicles adopt camera monitoring, face analysis technology, infrared detection technology, analysis system and the like, the control logics are integrated into a controller, the vehicles can not be started through the control of the controller, but the cost for integrating a large amount of control logics into the controller is high, and particularly, the implementation of the control logics is difficult for common vehicles.
In addition, some vehicles also select to add in-vehicle sensors on a seat and a steering wheel, and the in-vehicle sensors are used for detecting the behavior of a driver or detecting the alcohol concentration, but in the design mode, firstly, the in-vehicle sensors are added on the steering wheel, which is a dangerous design, and secondly, when the in-vehicle sensors are arranged, because the problem of a gas flow field is not considered, the result that whether the driver drives drunk or not is judged actually by only depending on air breathed out by the driver is lower.
Disclosure of Invention
In view of this, the present invention is directed to a drunk driving detection system for a vehicle, so as to quickly and accurately detect whether a driver is drunk or not at a low cost.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a drunk driving detection system for a vehicle, the drunk driving detection system for a vehicle comprising: the system comprises a first external vent, a first internal blowing surface air opening, a second internal blowing surface air opening, a first blower, a second external vent, an internal middle top vent, a second blower, a first alcohol sensor and a controller, wherein the first internal blowing surface air opening is communicated with the first external vent through a first channel and is positioned in the middle of a center console of the vehicle; the second internal blowing surface air opening is communicated with the first external air opening through the first channel and is respectively positioned at two sides of a driving position of the vehicle together with the first internal blowing surface air opening; the first blower is used for circulating air inside and outside the vehicle through the first channel; the inner top vent is communicated with the second outer vent through a second channel and positioned above a driving position of the vehicle, and the inner top vent, the first inner blowing surface air opening and the second inner blowing surface air opening form a triangle; the second blower is used for circulating air inside and outside the vehicle through the second channel; the first alcohol sensor is positioned at the inner top vent; the controller is used for controlling the first blower to blow air so that air outside the vehicle enters the vehicle through the first channel, controlling the second blower to draft air so that air inside the vehicle is discharged outside the vehicle through the second channel, and controlling the first alcohol sensor to detect a first alcohol concentration of the air passing through the inner middle top vent; and when the first alcohol concentration is greater than the threshold value, judging that the driver is drunk and driving.
Further, the drunk driving detection system of the vehicle further includes: the second alcohol sensor is positioned at the first internal blowing surface air port and used for detecting the alcohol concentration of the air passing through the first internal blowing surface air port; a third alcohol sensor located at the second internal blowing surface air port and used for detecting the alcohol concentration of the air passing through the second internal blowing surface air port, wherein the controller is also used for controlling the second blower to supply air so that the air outside the vehicle enters the vehicle through the second channel, controlling the first blower to draw air so that the air inside the vehicle is discharged out of the vehicle through the first channel, and controlling the second alcohol sensor and the third alcohol sensor to respectively detect the second alcohol concentration of the air passing through the first internal blowing surface air port and the third alcohol concentration of the air passing through the second internal blowing surface air port; and when the average value of the first alcohol concentration, the second alcohol concentration and the third alcohol concentration is greater than the threshold value, judging that the driver is drunk and driving.
Further, the drunk driving detection system of the vehicle further includes: a first inside and outside circulation damper for isolating or communicating the vehicle interior and exterior through the first passage; the controller is also used for controlling the first internal and external circulating air door to be opened when controlling the first blower to supply air or exhaust air; and when the second blower is controlled to supply air or draft air, the second internal and external circulation air door is controlled to be opened.
Further, the interior roof vent is located at the junction of the front windshield and the roof.
Further, the controller is further configured to: when the drunk driving is judged to be performed by the driver, drunk driving information is sent to the vehicle control unit, so that the vehicle control unit prohibits sending signals to an electronic control unit of an engine of the vehicle, and the vehicle cannot run.
Compared with the prior art, the drunk driving detection system for the vehicle has the following advantages:
the drunk driving detection system for the vehicle disclosed by the invention uses the first external air vent, the first internal air blowing opening, the second internal air blowing opening, the first air blower, the second external air vent, the internal middle top air vent, the second air blower, the first alcohol sensor and the controller, and can quickly and accurately detect whether a driver drives drunk or not by utilizing the special structures of the first internal air blowing opening, the second internal air blowing opening and the internal middle top air vent, and in addition, camera monitoring, a face analysis technology, an infrared detection technology and the like are not needed to be used, so that the cost is lower.
Another objective of the present invention is to provide a method for detecting drunk driving of a vehicle, so as to quickly and accurately detect whether a driver is drunk and driven with low cost.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a drunk driving detection method of a vehicle is executed based on a first external vent, a first internal blowing face air opening, a second internal blowing face air opening, a first air blower, a second external vent, an internal middle top vent, a second air blower, a first alcohol sensor and a controller, wherein the first internal blowing face air opening is communicated with the first external vent through a first channel and is positioned in the middle of a central console of the vehicle; the second internal blowing surface air opening is communicated with the first external air opening through the first channel and is respectively positioned at two sides of a driving position of the vehicle together with the first internal blowing surface air opening; the first blower is used for circulating air inside and outside the vehicle through the first channel; the inner top vent is communicated with the second outer vent through a second channel and positioned above a driving position of the vehicle, and the inner top vent, the first inner blowing surface air opening and the second inner blowing surface air opening form a triangle; the second blower is used for circulating air inside and outside the vehicle through the second channel; the first alcohol sensor is located at the vent of the inner top, and the drunk driving detection method of the vehicle comprises the following steps: controlling the first blower to blow air so that air outside the vehicle enters the vehicle interior through the first passage; controlling the second blower to draw air so that air inside the vehicle is discharged outside the vehicle through the second passage; controlling the first alcohol sensor to detect a first alcohol concentration of air passing through the interior top vent; and when the first alcohol concentration is greater than the threshold value, judging that the driver is drunk and driving.
Further, the drunk driving detection method for the vehicle further uses a second alcohol sensor, which is located at the first internal blowing surface air port and used for detecting the alcohol concentration of air passing through the first internal blowing surface air port; a third alcohol sensor located at the second interior blowing surface air port for detecting alcohol concentration of air passing through the second interior blowing surface air port, the drunk driving detection method for a vehicle further comprising: controlling the second blower to blow air so that air outside the vehicle enters the vehicle interior through the second passage; controlling the first blower to draw air so that air inside the vehicle is discharged outside the vehicle through the first passage; controlling the second alcohol sensor and the third alcohol sensor to detect a second alcohol concentration of air passing through the first internal blowing surface air port and a third alcohol concentration of air passing through the second internal blowing surface air port, respectively; and when the average value of the first alcohol concentration, the second alcohol concentration and the third alcohol concentration is greater than the threshold value, judging that the driver is drunk and driving.
Further, the drunk driving detection method of the vehicle further uses a first internal and external circulation air door for isolating or communicating the interior and the exterior of the vehicle through the first passage; the second internal and external circulation air door is used for isolating or communicating the inside and the outside of the vehicle through the second channel, and the drunk driving detection method of the vehicle further comprises the following steps: when the first blower is controlled to supply air or exhaust air, the first internal and external circulation air door is controlled to be opened; and when the second blower is controlled to supply air or draft air, the second internal and external circulation air door is controlled to be opened.
Further, when it is determined that the driver is drunk driving, the method further includes: and sending drunk driving information to the vehicle control unit so that the vehicle control unit prohibits sending signals to an electronic control unit of an engine of the vehicle, and the vehicle cannot run.
Compared with the prior art, the drunk driving detection method of the vehicle and the drunk driving detection system of the vehicle have the same advantages, and are not repeated herein.
Another object of the present invention is to provide a vehicle for quickly and accurately detecting whether a driver is drunk.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a vehicle comprising a drunk driving detection system of a vehicle as described above.
Compared with the prior art, the drunk driving detection system for the vehicle has the same advantages as the drunk driving detection system for the vehicle, and the detailed description is omitted.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a vehicle drunk driving detection system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a vehicle drunk driving detection system according to another embodiment of the present invention;
fig. 3 is a flowchart of a method for detecting drunk driving of a vehicle according to an embodiment of the present invention;
fig. 4 is a flowchart of a method for detecting drunk driving of a vehicle according to another embodiment of the present invention.
Description of reference numerals:
11 first external vent 21 first internal blowing face tuyere
22 second inner blowing side tuyere 31 first blower
32 second blower 12 second external vent
4 inner middle top vent 51 first alcohol sensor
52 second alcohol sensor 53 third alcohol sensor.
Detailed Description
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Fig. 1 is a schematic structural diagram of a drunk driving detection system of a vehicle according to an embodiment of the present invention. As shown in fig. 1, the drunk driving detection system of the vehicle includes: a first outer vent 11, a first inner blowing surface vent 21, a second inner blowing surface vent 22, a first blower 31, a second outer vent 12, an inner middle ceiling vent 4, a second blower 32, a first alcohol sensor 51, and a controller, wherein,
the first inner blowing surface air opening 21 is communicated with the first outer air opening 11 through a first channel and is positioned in the middle of a center console of the vehicle;
the second internal blowing surface air opening 22 is communicated with the first external air opening 11 through the first channel, and is respectively positioned at two sides of a driving position of the vehicle together with the first internal blowing surface air opening 21;
the first blower 31 is configured to circulate air inside and outside the vehicle through the first passage;
the inner middle top vent 4 is communicated with the second outer vent 12 through a second channel, is positioned above a driving position of the vehicle, and forms a triangle with the first inner blowing surface air opening 21 and the second inner blowing surface air opening 22;
the second blower 32 is configured to circulate air inside and outside the vehicle through the second passage;
the first alcohol sensor 51 is located at the interior top vent 4;
the controller is configured to control the first blower 31 to blow air from outside the vehicle into the vehicle through the first passage, control the second blower 32 to blow air from inside the vehicle out of the vehicle through the second passage, and control the first alcohol sensor 51 to detect a first alcohol concentration of air passing through the inner center top vent; and when the first alcohol concentration is greater than the threshold value, judging that the driver is drunk and driving.
In the present embodiment, a novel in-vehicle system is provided, in which the first external vent 11, the first internal blowing surface air port 21, the second internal blowing surface air port 22, and the first blower 31 can be understood as a configuration of a conventional vehicle air conditioning system, the first external vent 11 can be disposed under a wiper or on a cabin cover, and is a vent for ventilating air conditioning circulation and external air, the first blower 31 is a component for circulating air in the air conditioning system, and when rotating, air is drawn by centrifugal force and then thrown out, the first internal blowing surface air port 21 and the second internal blowing surface air port 22 are both air outlets of blowing surfaces through which the air of the first blower 31 is blown out or sucked, the first internal blowing surface air port 21 and the second internal blowing surface air port 22 are respectively located at both sides of a driving position, and if the driving position is at the left side, the first internal blowing surface air port 21 and the second internal blowing surface air port 22 are located at the center console center and at the left side, if the driver's seat is on the right side, the first and second inside blowing surface air ports 21 and 22 are located in the center console middle and on the right side.
In addition, in the present embodiment, a first alcohol sensor 51 is further provided, and the first alcohol sensor 51 is used for measuring alcohol concentration, in addition, a set of built-in system is provided, which has a second external vent 12, an internal middle top vent 4 and a second blower 32, wherein the second external vent 12 can be arranged below a wiper or on a cabin cover, the internal middle top vent 4 can be positioned at the junction between a front windshield and a roof above a driving position, and forms a triangle with the first internal blowing surface vent 21 and the second internal blowing surface vent 22, and the second blower 32 is a component for circulating air in the built-in system.
The following explains the logic of the controller of the present invention in detail:
the drunk driving detection function is integrated on a central control display screen, the interior of the display screen can be manually opened and closed, the following control logics are all carried out in an open state, if a driver closes the function, the following logics cannot be realized, and if the driver does not close the function after opening, the drunk driving detection function is automatically opened by default after the next vehicle is powered on.
When an Electronic Control Unit (ECU) of a whole vehicle detects an unlocking signal, the detection function of drunk driving is not started, when a driver powers on the vehicle, and the whole vehicle controller receives the two signals at the same time, the detection function is started, and at this time, the first air blower 31 and the second air blower 32 are started at the same time, and the function logic is as follows:
the first air blower 31 works (forward voltage-air supply), air outside the vehicle enters through the first external vent 11 and reaches the first internal blowing surface air opening 21 and the second internal blowing surface air opening 22 through the first air duct to enter the interior of the vehicle, then the second air blower 32 works (reverse voltage, air draft), air inside the vehicle enters the internal top vent 4, the first alcohol sensor 51 calculates the first alcohol concentration, the air reaches the second external vent through the second air duct to be discharged outside the vehicle, the above components work for a preset time (for example, 10s, but not limited thereto), then the vehicle control unit judges whether the drunk driving exists according to the first alcohol concentration and the threshold value (the designer sets the threshold value according to the drunk driving standard).
The drunk driving detection system with more accurate detection result is provided as follows.
Fig. 2 is a schematic structural diagram of a drunk driving detection system of a vehicle according to another embodiment of the present invention. As shown in fig. 2, the drunk driving detection system of the vehicle further includes: a second alcohol sensor 52 located at the first inside blowing surface tuyere 21 for detecting the alcohol concentration of the air passing through the first inside blowing surface tuyere 21; a third alcohol sensor 53 located at the second inside blowing surface air opening 22, for detecting an alcohol concentration of the air passing through the second inside blowing surface air opening 21, and the controller is further for controlling the second blower 32 to blow air so that the air outside the vehicle enters the vehicle inside through the second passage, controlling the first blower 31 to blow air so that the air inside the vehicle exits the vehicle outside through the first passage, and controlling the second alcohol sensor 52 and the third alcohol sensor 53 to detect a second alcohol concentration of the air passing through the first inside blowing surface air opening 21 and a third alcohol concentration of the air passing through the second inside blowing surface air opening 22, respectively; and when the average value of the first alcohol concentration, the second alcohol concentration and the third alcohol concentration is greater than the threshold value, judging that the driver is drunk and driving.
In the present embodiment, on the basis of the embodiment of fig. 1, the system has, in addition to the second alcohol sensor 52 at the first inside blowing surface tuyere 21 and the third alcohol sensor 53 at the second inside blowing surface tuyere 22:
first inside and outside circulation air door and first inside and outside circulation air door motor when motor operating angle, can make first inside and outside circulation air door open or close, open air conditioning system promptly with outside air UNICOM, close then isolated with the outside air.
The second internal and external circulation air door and the second internal and external circulation air door motor can open or close the second internal and external circulation air door when the motor works for a rotating angle, open the built-in system and the external air communication, and are closed and isolated from the external air.
The functional logic is as follows: first air-blower 31 work (forward voltage-air supply), the wind of outer car gets into first outside vent 11, first inside and outside circulation air door is opened, wind reaches first inside face wind gap 21 and the inside face wind gap 22 of blowing of second in order to get into inside the vehicle through first wind channel, then second air-blower 32 work (reverse voltage, convulsions), wind in the car gets into inside middle top vent 4, first alcohol sensor 51 calculates first alcohol concentration, wind gets into the second wind channel, the inside and outside circulation air door of second is opened, wind is outside through the outside vent 12 of second discharge car, above-mentioned each part work preset time (for example 10s, but not limited to this), then all circulations carry out the run in reverse: the second blower 32 is operated (forward voltage, blowing), the wind outside the vehicle enters the second outer vent 12, the second inner and outer circulation damper is opened, the wind reaches the inner top vent 4 through the second air duct to enter the vehicle, then the first blower 31 is operated (reverse voltage, blowing), the wind inside the vehicle reaches the first inner blowing surface air opening 21 and the second inner blowing surface air opening 22, the second alcohol concentration and the third alcohol concentration are calculated by the second alcohol sensor 52 and the third alcohol sensor 53, the first inner and outer circulation damper is opened, the wind is discharged outside the vehicle from the first outer vent 11, the above components are operated for a preset time (the time of the circulation reverse operation, such as 10s, but not limited thereto), then the controller calculates the average value of the first alcohol concentration, the second alcohol concentration and the third alcohol concentration, and then the threshold value can be set according to the drunk driving standard by the designer, whether drunk driving exists or not is judged, if yes, the double-flash warning lamp is controlled to be started, drunk driving information is sent to the vehicle control unit, after the vehicle control unit receives the drunk driving information, even if subsequent manual vehicle electrifying and other operations are carried out, an ECU signal cannot be sent to an engine, the vehicle cannot run, and if no drunk driving exists, the vehicle can be driven normally.
In the embodiment of the present invention, the second blower 32 may be controlled to blow air, the first blower 31 may be controlled to exhaust air, the second alcohol sensor 52 and the third alcohol sensor 53 may be controlled to detect the second alcohol concentration of the air in the first inner blowing surface air port 21 and the air in the second inner blowing surface air port 22, and the third alcohol concentration, respectively, then the first blower 31 may be controlled to blow air, the second blower 32 may be controlled to exhaust air, the first alcohol sensor 51 may be controlled to detect the first alcohol concentration of the air in the inner top air port 4, and finally drunk driving may be determined.
According to the invention, through analyzing the gas flow field of the whole vehicle, through the special arrangement mode of the inner top vent 4 and the triangles of the first inner blowing surface air port 21 and the second inner blowing surface air port 22, adding a brand new built-in system, and utilizing the control logic to perform forward and reverse calculation, the accurate test of the alcohol content can be realized, and the test accuracy is ensured under the condition of lowest cost.
Fig. 3 is a flowchart of a drunk driving detection method for a vehicle according to an embodiment of the present invention. As shown in fig. 3, the drunk driving detection method for the vehicle is executed based on a first external vent, a first internal face blowing vent, a second internal face blowing vent, a first blower, a second external vent, an internal middle top vent, a second blower, a first alcohol sensor and a controller, wherein the first internal face blowing vent is communicated with the first external vent through a first channel and is located in the middle of a center console of the vehicle; the second internal blowing surface air opening is communicated with the first external air opening through the first channel and is respectively positioned at two sides of a driving position of the vehicle together with the first internal blowing surface air opening; the first blower is used for circulating air inside and outside the vehicle through the first channel; the inner top vent is communicated with the second outer vent through a second channel and positioned above a driving position of the vehicle, and the inner top vent, the first inner blowing surface air opening and the second inner blowing surface air opening form a triangle; the second blower is used for circulating air inside and outside the vehicle through the second channel; the first alcohol sensor is located at the vent of the inner top, and the drunk driving detection method of the vehicle comprises the following steps:
step S31, controlling the first blower to blow air so that air outside the vehicle enters the vehicle interior through the first passage; controlling the second blower to draw air so that air inside the vehicle is discharged outside the vehicle through the second passage; controlling the first alcohol sensor to detect a first alcohol concentration of air passing through the interior top vent;
and step S32, when the first alcohol concentration is greater than the threshold value, judging that the driver is drunk driving.
Fig. 4 is a flowchart of a drunk driving detection method for a vehicle according to another embodiment of the present invention. As shown in fig. 4, the drunk driving detection method for a vehicle further uses a second alcohol sensor, located at the first internal blowing surface air port, for detecting the alcohol concentration of air passing through the first internal blowing surface air port; a third alcohol sensor located at the second interior blowing surface air port for detecting alcohol concentration of air passing through the second interior blowing surface air port, the drunk driving detection method for a vehicle further comprising:
step S41 of controlling the second blower to blow air so that air outside the vehicle enters the vehicle interior through the second passage; controlling the first blower to draw air so that air inside the vehicle is discharged outside the vehicle through the first passage; controlling the second alcohol sensor and the third alcohol sensor to detect a second alcohol concentration of air passing through the first internal blowing surface air port and a third alcohol concentration of air passing through the second internal blowing surface air port, respectively;
and step S42, when the average value of the first alcohol concentration, the second alcohol concentration and the third alcohol concentration is greater than the threshold value, judging that the driver is drunk driving.
Further, the drunk driving detection method of the vehicle further uses a first internal and external circulation air door for isolating or communicating the interior and the exterior of the vehicle through the first passage; the second internal and external circulation air door is used for isolating or communicating the inside and the outside of the vehicle through the second channel, and the drunk driving detection method of the vehicle further comprises the following steps: when the first blower is controlled to supply air or exhaust air, the first internal and external circulation air door is controlled to be opened; and when the second blower is controlled to supply air or draft air, the second internal and external circulation air door is controlled to be opened.
Further, when it is determined that the driver is drunk driving, the method further includes: and sending drunk driving information to the vehicle control unit so that the vehicle control unit prohibits sending signals to an electronic control unit of an engine of the vehicle, and the vehicle cannot run.
The drunk driving detection method of the vehicle is similar to the embodiment of the drunk driving detection system of the vehicle, and is not repeated herein.
The invention also discloses a vehicle which comprises the drunk driving detection system of the vehicle.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A drunk driving detection system for a vehicle, the drunk driving detection system for the vehicle comprising:
a first exterior vent, a first interior blow side vent, a second interior blow side vent, a first blower, a second exterior vent, an interior ceiling vent, a second blower, a first alcohol sensor, and a controller,
the first inner surface blowing air port is communicated with the first outer air vent through a first channel and is positioned in the middle of a center console of the vehicle;
the second internal blowing surface air opening is communicated with the first external air opening through the first channel and is respectively positioned at two sides of a driving position of the vehicle together with the first internal blowing surface air opening;
the first blower is used for circulating air inside and outside the vehicle through the first channel;
the inner top vent is communicated with the second outer vent through a second channel and positioned above a driving position of the vehicle, and the inner top vent, the first inner blowing surface air opening and the second inner blowing surface air opening form a triangle;
the second blower is used for circulating air inside and outside the vehicle through the second channel;
the first alcohol sensor is positioned at the inner top vent;
the controller is used for controlling the first blower to blow air so that air outside the vehicle enters the vehicle through the first channel, controlling the second blower to draft air so that air inside the vehicle is discharged outside the vehicle through the second channel, and controlling the first alcohol sensor to detect a first alcohol concentration of the air passing through the inner middle top vent; and when the first alcohol concentration is greater than the threshold value, judging that the driver is drunk and driving.
2. The drunk driving detection system of a vehicle as set forth in claim 1, further comprising:
the second alcohol sensor is positioned at the first internal blowing surface air port and used for detecting the second alcohol concentration of the air passing through the first internal blowing surface air port;
the third alcohol sensor is positioned at the second internal blowing surface air port and used for detecting the third alcohol concentration of the air passing through the second internal blowing surface air port;
the controller is further used for controlling the second blower to blow air so that air outside the vehicle enters the vehicle through the second channel, controlling the first blower to draw air so that air inside the vehicle is exhausted outside the vehicle through the first channel, and controlling the second alcohol sensor and the third alcohol sensor to detect a second alcohol concentration of the air passing through the first inner blowing surface air port and a third alcohol concentration of the air passing through the second inner blowing surface air port respectively; and when the average value of the first alcohol concentration, the second alcohol concentration and the third alcohol concentration is greater than the threshold value, judging that the driver is drunk and driving.
3. The drunk driving detection system of a vehicle as set forth in claim 1, further comprising:
a first inside and outside circulation damper for isolating or communicating the vehicle interior and exterior through the first passage;
a second inside and outside circulation damper for isolating or communicating the vehicle interior and exterior through the second passage,
the controller is also used for controlling the first inner and outer circulation air door to be opened when controlling the first blower to supply air or exhaust air; and when the second blower is controlled to supply air or draft air, the second internal and external circulation air door is controlled to be opened.
4. The drunk driving detection system of a vehicle as set forth in claim 1, wherein said interior roof vent is located at the junction of a front windshield and a roof of the vehicle.
5. The drunk driving detection system of a vehicle as set forth in claim 1, wherein the controller is further configured to:
when the drunk driving is judged to be performed by the driver, drunk driving information is sent to the vehicle control unit, so that the vehicle control unit prohibits sending signals to an electronic control unit of an engine of the vehicle, and the vehicle cannot run.
6. The drunk driving detection method of the vehicle is characterized by being executed based on a first external vent, a first internal face blowing vent, a second internal face blowing vent, a first air blower, a second external vent, an internal middle top vent, a second air blower, a first alcohol sensor and a controller, wherein the first internal face blowing vent is communicated with the first external vent through a first channel and is positioned in the middle of a center console of the vehicle; the second internal blowing surface air opening is communicated with the first external air opening through the first channel and is respectively positioned at two sides of a driving position of the vehicle together with the first internal blowing surface air opening; the first blower is used for circulating air inside and outside the vehicle through the first channel; the inner top vent is communicated with the second outer vent through a second channel and positioned above a driving position of the vehicle, and the inner top vent, the first inner blowing surface air opening and the second inner blowing surface air opening form a triangle; the second blower is used for circulating air inside and outside the vehicle through the second channel; the first alcohol sensor is located at the vent of the inner top, and the drunk driving detection method of the vehicle comprises the following steps:
controlling the first blower to blow air so that air outside the vehicle enters the vehicle interior through the first passage;
controlling the second blower to draw air so that air inside the vehicle is discharged outside the vehicle through the second passage;
controlling the first alcohol sensor to detect a first alcohol concentration of air passing through the interior top vent;
and when the first alcohol concentration is greater than the threshold value, judging that the driver is drunk and driving.
7. The drunk driving detection method of a vehicle as claimed in claim 6, wherein the drunk driving detection method of a vehicle further uses a second alcohol sensor located at the first interior blowing surface air port for detecting the alcohol concentration of air passing through the first interior blowing surface air port; a third alcohol sensor located at the second interior blowing surface air port for detecting alcohol concentration of air passing through the second interior blowing surface air port, the drunk driving detection method for a vehicle further comprising:
controlling the second blower to blow air so that air outside the vehicle enters the vehicle interior through the second passage;
controlling the first blower to draw air so that air inside the vehicle is discharged outside the vehicle through the first passage;
controlling the second alcohol sensor and the third alcohol sensor to detect a second alcohol concentration of air passing through the first internal blowing surface air port and a third alcohol concentration of air passing through the second internal blowing surface air port, respectively;
and when the average value of the first alcohol concentration, the second alcohol concentration and the third alcohol concentration is greater than the threshold value, judging that the driver is drunk and driving.
8. The drunk driving detection method of a vehicle according to claim 6, wherein the drunk driving detection method of a vehicle further uses a first inner and outer circulation damper for isolating or communicating the inside and outside of the vehicle through the first passage; the second internal and external circulation air door is used for isolating or communicating the inside and the outside of the vehicle through the second channel, and the drunk driving detection method of the vehicle further comprises the following steps:
when the first blower is controlled to supply air or exhaust air, the first internal and external circulation air door is controlled to be opened;
and when the second blower is controlled to supply air or draft air, the second internal and external circulation air door is controlled to be opened.
9. The drunk driving detection method of a vehicle according to claim 6, wherein when it is determined that the driver is drunk driving, the method further comprises:
and sending drunk driving information to the vehicle control unit so that the vehicle control unit prohibits sending signals to an electronic control unit of an engine of the vehicle, so that the vehicle cannot run.
10. A vehicle characterized in that the vehicle comprises a drunk driving detection system of the vehicle as claimed in any one of claims 1 to 5.
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| JP2009078630A (en) * | 2007-09-25 | 2009-04-16 | Denso Corp | Drunken driving prevention system |
| JP2009226992A (en) * | 2008-03-19 | 2009-10-08 | Toyota Motor Corp | Exhaled breath component detecting device |
| CN101885302A (en) * | 2010-07-05 | 2010-11-17 | 邹崇毓 | System for preventing driver from driving after drinking |
| CN201886027U (en) * | 2010-10-14 | 2011-06-29 | 浙江天鸿汽车用品有限公司 | Ceiling type alcohol early-warning device |
| TW201335896A (en) * | 2013-05-15 | 2013-09-01 | yi-xiang Wang | Drunk-driving warning system |
| CN108099602A (en) * | 2017-12-26 | 2018-06-01 | 广东轻工职业技术学院 | A kind of intelligence drunk-driving prevention prior-warning device and method |
| CN209008400U (en) * | 2018-08-08 | 2019-06-21 | 魏良建 | Orient drunk driving detection device |
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