KR101916026B1 - Anti-drunk driving system and the method of the same - Google Patents

Abstract

A system for preventing a drunk driving of a vehicle and a control method thereof are disclosed. The vehicle drinking and driving prevention system of the present invention includes an air inlet pipe having an inlet formed in a cluster fascia and an outlet connected to an air intake passage of the air conditioner; And an alcohol sensor for measuring an amount of alcohol in the air flowing through the air inlet pipe and transmitting and receiving a signal to and from the control unit, wherein the controller controls the operation of the vehicle when the amount of alcohol measured by the alcohol sensor exceeds a set alcohol value The vehicle is forcibly controlled so as to be suppressed. According to the present invention, it is possible to provide a system for preventing drunk driving of a vehicle and a control method thereof, which can reliably measure the measured value of the alcohol in the air in the vehicle interior and can directly measure the amount of alcohol during respiration of the driver when necessary.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an anti-

The present invention relates to a system for preventing a drunk driving of a vehicle and a control method thereof, and more particularly, to a system for preventing a drunk driving of a vehicle and a method of controlling the same, which can reliably measure the amount of alcohol in the air in a vehicle interior, And a control method thereof.

Drunk Driving refers to driving under a drunk condition. The Road Traffic Act punishes driving in a state where drunk driving is not penalized, but the mental judgment ability and physical coping ability necessary for safe driving is low.

Article 44 (2) of the current Road Traffic Act punishes driving under the influence of drunkenness and judges the state of drunkenness by the blood alcohol concentration. If the alcohol concentration in the blood is more than 0.05%, it is regarded as being drunk .

Drunk driving is punishable because alcohol is a risk of incurring accidents due to lack of accountability or driving under weak conditions. In most countries, alcohol is prohibited in order to prevent accidents caused by drinking alcohol, and the method is to punish unconditionally if blood alcohol concentration exceeds a certain level.

Alcohol meter (酒 酒 measuring instrument) is a device that measures the alcohol concentration in the blood by measuring the amount of alcohol in the air.

When a person drinks alcohol, the alcohol that enters the body is absorbed in the stomach and intestines. About 10% of them are excreted without any digestion mixed with breathing, sweat, urine, etc. The remaining 90% is oxidized by the alcoholase in the liver, converted into acetic acid, which supplies energy to the body, which is then decomposed into carbon dioxide and released into the respiration.

Alcohol in a person's breath is part of alcohol that has been absorbed from the intestines and into the blood. That is, some of the alcohol in your blood came out of your body mixed with air. Therefore, by measuring the amount of alcohol in your breath, your blood alcohol level is also known. The breathalyzer is a device designed to measure blood alcohol levels by measuring the amount of alcohol in your breath. Recently, a technique for installing a drinking measurement device in a vehicle has been studied.

In this connection, Korean Patent Registration No. 1362140 discloses an apparatus for preventing drunk driving of a vehicle using an air conditioning system. The air conditioning system includes a blower, an evaporator, a compressor, an inside / outside switching door, a temperature control door for controlling the amount of cold air, various mode doors, A vehicle including a controller capable of controlling each of these devices comprises: blood alcohol concentration detecting means for detecting blood alcohol concentration of a driver aboard the driver's seat of the vehicle; If at least one of the blower, the evaporator, the compressor, the internal / external switching door, the temperature control door, the various mode doors and the controller of the air conditioning system is repeatedly And a control unit for turning on and off or repeatedly opening and closing to alert the drunk driver.

However, in the apparatus for preventing drunk driving of a vehicle using the air conditioning system of Patent Publication No. 1362140, the blood alcohol concentration sensing means is constituted by a gas sensor for sensing the alcohol concentration in the air. The gas sensor is connected to a steering wheel ) In the vehicle interior space.

BACKGROUND ART A heating, ventilating & air conditioning system installed for heating, cooling, and ventilating an interior of a vehicle is a system for circulating indoor air in a vehicle interior through an air intake door provided at the front of a vehicle, And supplies it to the vehicle interior.

However, even if the air conditioner circulates the air inside the vehicle or discharges the air to the outside, the circulation speed or the exhaust speed of the entire air in the vehicle is slow, so that the longer the time the driver breathes in the vehicle interior, There is a problem that the measurement value of the gas sensor can not be relied upon.

Korean Registered Patent No. 1362140 (Registered on Feb. 2014)

An object of the present invention is to provide a system for preventing drunk driving of a vehicle and a control method thereof, which can reliably measure the measured value of the alcohol in the air in the vehicle interior and can directly measure the amount of alcohol during respiration of the driver when necessary.

The object is achieved according to the invention by an air inlet pipe in which an inlet is formed in a cluster fascia and an outlet is connected to a constant air intake passage of the air conditioner; And an alcohol sensor for measuring an amount of alcohol in the air flowing through the air inlet pipe and transmitting and receiving a signal to and from the control unit, wherein the controller controls the operation of the vehicle when the amount of alcohol measured by the alcohol sensor exceeds a set alcohol value And the vehicle is forcibly controlled so as to be suppressed.

A pressure sensor for measuring an internal pressure and a fan for forcing air to flow from the inlet are provided in the air inlet pipe and when the driver's door of the vehicle is closed after being opened, And to control the driving of the fan to be adjusted to a set pressure value.

The inflow port may be provided outside the cluster fascia or the dashboard, and the inflow port may further include a respiratory inflow pipe provided inside the air inflow pipe.

The respiratory inflow tube comprising: a mouthpiece forming the inlet; And an extensible tube for forming the outlet, and a respiration of the user introduced into the inlet is moved.

A movable partition wall having a through hole formed therein is coupled to the outside of the expansion tube, a blocking member for blocking the outlet is formed in the inside of the air inlet pipe, and when the user does not pull the mouthpiece, The partition may be configured to be urged toward the blocking member by an elastic member.

Wherein when the user pulls the mouthpiece, the stretchable tube is stretched so that the movable partition wall is brought into close contact with the fixed partition wall so that the through hole and the through hole are blocked .

According to the present invention, there is provided an air inflow pipe in which an inlet is formed in a cluster fascia, an outlet is connected to a normal air intake passage of an air conditioner, and an alcohol inflow pipe provided with an alcohol sensor is provided in the vehicle, A sensing step of sensing a closing of the driver's door after opening the control unit; Measuring the amount of alcohol in the air flowing through the air inlet pipe by the alcohol sensor; And a control step of forcibly controlling the vehicle so that the control part suppresses the driving of the vehicle if the measured alcohol value measured by the alcohol sensor exceeds a set alcohol value Method.

Wherein a pressure sensor for measuring an internal pressure and a fan for forcing air to flow from the inlet are provided in the air inlet pipe, and in the measuring step, the control unit controls driving of the fan, To be adjusted to a set pressure value.

In the control step, if the measured alcohol value exceeds a first set alcohol value, the control unit may be configured to display the first image display on the cluster so that the vehicle operation is suppressed.

In the controlling step, if the measured alcohol value exceeds a second set alcohol value, the control unit may display the second image on the cluster and then stop the vehicle engine.

According to the present invention, there is provided a vehicular drunk driving preventing system comprising: an inlet of an air inflow pipe formed in a cluster fascia and an outlet connected to a constant air intake passage of an air conditioner to reliably measure a measured value of an alcohol in the air of the vehicle; It is possible to provide a control method thereof.

In addition, the inflow port of the respiratory inflow pipe is provided outside the cluster fascia or the dashboard, and the outlet port is provided inside the air inflow pipe, so that the amount of alcohol in the driver breath can be directly measured when necessary, . ≪ / RTI >

1 is a perspective view of a system for preventing a drunk driving of a vehicle according to an embodiment of the present invention;
2 is a perspective view showing an air inflow pipe of the vehicle drunk driving prevention system of FIG.
3 is a sectional view showing an air inflow pipe of the vehicle drunk driving prevention system of Fig.
4 and 5 are cross-sectional views illustrating a state of use of a system for preventing drunk driving of a vehicle according to another embodiment of the present invention.
6 is a flowchart showing a control method of a system for preventing drunk driving of a vehicle according to the present invention.
Fig. 7 is a view showing an image displayed in a cluster in the control step of the control method of the vehicle drunk driving preventing system of Fig. 6; Fig.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, the well-known functions or constructions are not described in order to simplify the gist of the present invention.

The vehicle drunk driving prevention system and the control method of the present invention can reliably measure the amount of alcohol in the air in the vehicle interior and directly measure the amount of alcohol in the driver's breath when necessary.

FIG. 1 is a perspective view of a system for preventing a drunk driving of a vehicle according to an embodiment of the present invention; FIG. 2 is a perspective view showing an air inlet pipe of the system for preventing drunk driving of FIG. 1; FIG. 6 is a flowchart showing a control method of a system for preventing the drunk driving of a vehicle according to the present invention. FIG. 6 is a sectional view showing an air inlet pipe, FIGS. 4 and 5 are cross- Fig. 7 is a view showing an image displayed in the cluster in the control step of the control method of the vehicle drunk driving preventing system of Fig. 6; Fig.

As shown in FIGS. 1 to 3, the present invention can be applied to a system 10 for preventing drunk driving of a vehicle, which can reliably measure the amount of alcohol in the air in the vehicle interior, And comprises an air inlet pipe (100) and an alcohol sensor (200).

The inlet 101 is formed in the cluster fascia 1 and the outlet (not shown) is formed in the normally air intake passage (not shown) of the air conditioner 2 . As shown in Fig. 3, the inlet 101 of the air inlet pipe 100 is formed above the cluster 1A belonging to the path where the respiration of the driver aboard the driver's seat is emitted.

Although not shown, the normal air intake passage of the air conditioner 2 should be understood as an air passage between the air inlet (outdoor air inlet) of the air conditioner 2 and the blower.

As shown in FIG. 2 of Korean Patent No. 590657, an evaporator 21 and a blower 22 are installed in the HVAC case 20, and the air inlet 23 And an outside air introduction port 24 are provided. Therefore, the air introduced through the inside air inlet 23 and the outside air inlet 24 always forms a flow that flows toward the blower 22.

It should be understood that the outlet of the air inlet pipe 100 in the vehicle drunk driving prevention system 10 of the present invention is connected to the air passage between the air inlet of the air conditioner 2 and the blower.

When the outlet of the air inflow pipe 100 is connected to the normal air intake passage of the air conditioning apparatus 2, the respiration of the driver aboard the driver's seat is transmitted to the alcohol sensor 200 through the inlet 101 of the air inflow pipe 100 The air flow passing through the outlet and the constant air intake passage are formed. Therefore, the advantage of increasing the weight of the driver breathing in the gas passing through the alcohol sensor 200 (lowering the specific gravity of the vehicle interior air) have.

Accordingly, the longer the breathing time of the driver in the vehicle interior is, the more the amount of alcohol in the air in the vehicle interior space increases, thereby solving the problem of the prior art that the measured value of the sensor can not be relied upon.

The air inlet pipe 100 shown in FIGS. 2 and 3 includes an inlet 110, an installation 120, and an outlet 130. The installation part 120 is a part where the alcohol sensor 200 is installed and the inlet part 110 forms an inlet 101 at the end thereof and the air in the interior of the vehicle flowing into the inlet 101 flows into the installation part 120 Thereby forming a moving passage. The outlet 130 forms an outlet at its end and forms a passageway through which the air that has passed through the installation 120 normally travels to the air intake passageway.

The alcohol sensor 200 is installed in the mounting portion 120 to measure the amount of alcohol in the air flowing through the air inlet pipe 100. The respiration of the driver flowing into the air inflow pipe 100 through the inflow section 110 is transmitted to the outflow section 130 after passing through the alcohol sensor 200 installed in the installation section 120. The alcohol sensor 200 transmits and receives signals to and from the controller 400. [

Although not shown in detail, the alcohol sensor 200 may be provided with various types of sensors known in the art for measuring the amount of alcohol in the air. That is, a sensor of the type that measures the magnitude of the current generated when the alcohol released from the exhalation is burned, a sensor of the type that measures the amount of the infrared ray absorbed by the alcohol, or an alcohol And a sensor of a type using a change in current flowing when adsorbed.

The controller 400 selectively controls the vehicle according to the measured value of the alcohol sensor 200. The controller 400 may be an electronic control unit (ECU) of the vehicle. Of course, the control unit 400 may be manufactured as a separate electronic control unit and installed in the vehicle. When the control unit 400 is manufactured as a separate electronic control unit, the control unit 400 sets an authority to forcibly control the ECU according to the measured value of the alcohol sensor 200.

The control unit 400 forcibly controls the vehicle so that the driving of the vehicle is suppressed when the alcohol amount measured by the alcohol sensor 200 exceeds the set alcohol value. Forcible control of the vehicle by the control unit 400 can be understood in detail through a control method (SlOO) of the vehicle drunk driving prevention system described below.

As shown in FIG. 6, the control method S100 of the system for preventing the drunk driving of the vehicle selectively controls the vehicle according to the measured value of the alcohol sensor 200, and includes a sensing step S110, a measuring step S120 And a control step S130.

The control unit 400 detects the closing of the driver's door after the opening and closing of the driver's seat door. The control unit 400 controls the driving / (S110). This means that as soon as the driver rides on the driver's seat, the control method (S100) of the anti-drunk driving system is started. In the sensing step (S110), the controller (400) operates the alcohol sensor (200).

The measuring step S120 is a step of measuring the amount of alcohol in the air flowing through the air inlet pipe 100 by the alcohol sensor 200. After the sensing step S110, The measured value of the alcohol sensor 200 is compared with the set alcohol value.

The set alcohol value is a value obtained by classifying the blood alcohol concentration by concentration, and may be one or more values. In other words, the set alcohol value may be 0.05%, 0.05%, 0.10%, 0.15%, 0.20%, 0.25%, 0.30%, and 0.36% of the current drunk driving interception criterion As shown in FIG.

Hereinafter, it is assumed that the set alcohol value is set to two values, that is, the first set alcohol value (0.01%) and the second set alcohol value (0.05%). 0.05% is the blood alcohol concentration, which is the standard for drunk driving. 0.01% was not detected as the blood alcohol concentration, which is the standard for drunk driving, but it means that the alcohol is detected (suspected drunk driving).

The control step S130 is a step of forcibly controlling the vehicle so that the controller 400 controls the driving of the vehicle when the measured alcohol value measured by the alcohol sensor 200 exceeds the set alcohol value.

In the control step S130, when the measured alcohol value exceeds the first set alcohol value, the control unit 400 displays the first image display S1 in the cluster 1A so that the vehicle operation is suppressed. The first image display S1 may mean a guiding phrase such as 'the blood alcohol concentration is 0.01%' as shown in FIG. 7 (a), or may mean a warning light. Of course, a warning sound can also be output by controlling the audio system of the vehicle. It is preferable that the driver abandons the drunk driving attempt by being warned through the first image display S1 that the driver is in the drinking state.

If the measured alcohol value exceeds the second set alcohol value in the control step S130, the controller 400 stops the vehicle engine after displaying the second image S2 in the cluster 1A. The second image display S2 may mean a guiding phrase such as 'the blood alcohol concentration is 0.05%' as shown in FIG. 7 (b), or may mean a warning light. Of course, a warning sound can also be output by controlling the audio system of the vehicle. The driver is warned through the second image display S2 that the blood alcohol concentration is the standard for intermittent drunk driving, and the drunk driving attempt is interrupted by forcibly stopping the vehicle engine.

The measurement step S120 is continuously performed after the control step S130. That is, even if the measured alcohol value exceeds the second set alcohol value in the control step S130 and the vehicle engine is stopped, the controller 400 compares the measured alcohol value with the measured value of the alcohol sensor 200 at a predetermined time interval do.

When the measured alcohol value is measured to be less than the second set alcohol value, the controller 400 converts the second image display S2 of the cluster 1A into the image display for displaying the current measured alcohol value, Can be released.

3, a pressure sensor 500 for measuring the internal pressure and a fan 600 for enforcing the inflow of air from the inlet 101 may be installed inside the air inlet pipe 100 . The control unit 400 controls the driving of the fan 600 so that the internal pressure is adjusted to the set pressure value when the driver's seat door of the vehicle is closed after being opened.

In order for the measured alcohol value measured by the alcohol sensor 200 to be reliable, the amount of breathing through the alcohol sensor 200 must be constant. In order to keep the amount of breathing through the alcohol sensor 200 constant, the flow rate of the breathing of the driver, which is blown toward the inlet 101 of the air inlet pipe 100, into the inlet 101 must be constant.

If the control unit 400 controls the operation of the fan 600 to constantly adjust the internal pressure of the air inlet pipe 100 to the set pressure value in the measuring step S120, The amount of alcohol in the breathing state can be measured while the amount of alcohol in the breathing state is kept constant. Therefore, the measured alcohol value measured by the alcohol sensor 200 is given credibility.

4 and 5, a system 20 for preventing a drunk driving of a vehicle according to another embodiment of the present invention includes an air inlet pipe 100, an alcohol sensor 200, and a breathing inlet pipe 300 Lt; / RTI > Hereinafter, for the sake of easy understanding of the present invention, the same description as the embodiment of the present invention will be omitted.

The air inlet pipe 100 is configured to form a passage through which indoor air always flows. The inlet 101 is formed in the cluster fascia 1, and the outlet is connected to the normal air intake passage of the air conditioner 2.

The alcohol sensor 200 is installed in the mounting portion 120 to measure the amount of alcohol in the air flowing through the air inlet pipe 100.

4 and 5, the respiration inflow pipe 300 is configured to form a passage through which the respiration of the driver directly flows into the alcohol sensor 200, and the inflow port 301 is connected to the cluster fascia 1 or the dash And the outflow port 302 is provided inside the air inlet pipe 100. The respiratory inflow tube 300 comprises a mouthpiece 310 and an elastic tube 320.

FIG. 4 shows the unused state of the respiratory inflow tube 300, and FIG. 5 shows the use state of the respiratory inflow tube 300. As shown in Fig. 4, the inlet 301 of the respiratory inflow tube 300 in the unused state is provided in the protruding portion of the cluster fascia 1 (or the dashboard).

Hereinafter, the inlet 301 is referred to as a front end and the front end is referred to as a front end and the outlet port 302 is referred to as a rear end and a rear end, respectively, with reference to the breathing inflow pipe 300 for the sake of easy understanding of the present invention.

As shown in Fig. 4, the dental mouthpiece 310 has an inlet 301 formed at the front end thereof as a configuration in which the driver wears his mouth and breathes. When the respiratory inflow tube 300 is not used, the mouthpiece 310 is disposed in the protruded portion of the cluster fascia 1 while being provided inside the tongue 330.

The tongue 330 is configured to selectively expose the mouthpiece 310 and is rotatably coupled to the rotation axis X formed on the mouthpiece 310 as a pair. The front end of the unused tongue 330 of the respiratory inflow pipe 300 is pushed forward by the tongue spring (not shown) toward the inflow port 301 to keep the inflow port 301 obscured (see FIG. 4). When the respiratory inflow pipe 300 is in use, the driver pinched the rear end of the forceps 330 by hand, exposes the mouthpiece 310 forward (see FIG. 5), and then mouths and breathes.

The extensible tube 320 forms a passage through which the respiration of the driver flowing into the inlet 301 is moved, and forms an outlet 302 through which the respiration of the driver is discharged at the rear end. The expansion and contraction tube 320 is made of a material such as rubber or silicone that is elastically stretchable and contractible in length.

A hole through which the elastic tube 320 passes is formed at the front end of the inlet 110. As shown in FIG. 4, the unthinned extracorporeal tube 320 of the respiratory inflow tube 300 is provided inside the inflow section 110 in a state in which no external force is applied.

A movable partition wall 340 having a through hole 341 is coupled to the outside of the rear end of the elastic tube 320. 4, air introduced into the inflow portion 110 through the inlet 101 of the respiratory inflow pipe 300 when not in use passes through the through hole 341 and moves to the mounting portion 120 .

A blocking member 140 blocking the outlet 302 is formed in the interior of the air inlet pipe 100 at the rear end of the inlet 110. The blocking wall 340 is formed by an elastic member 350, 140). Therefore, when the respiratory inflow tube 300 is not used, that is, when the driver does not pull the mouthpiece 310, the outlet 302 is blocked by the blocking member 140.

A fixed partition 150 having a through hole 151 formed therein is formed in the air inlet pipe 100. A hole through which the elastic tube 320 passes is formed at the center of the fixed partition wall 150. 4, the fixed barrier ribs 150 when not in use in the respiratory inflow pipe 300 are spaced apart from the movable barrier ribs 340 by a predetermined distance. The air introduced into the inflow portion 110 through the inlet 101 of the respiration inflow pipe 300 is sequentially passed through the through hole 151 and the through hole 341 and then moved to the mounting portion 120 do.

5, when the driver holds the rear end of the forceps 330 and pulls the mouthpiece 310, the expansion and contraction tube 320 is extended and the movable partition wall 340 is in close contact with the fixed partition wall 150. The through hole 151 and the through hole 341 are all blocked by the contact surface between the movable partition wall 340 and the fixed partition wall 150 in a state where the movable partition wall 340 and the fixed partition wall 150 are in close contact with each other.

When the driver holds the rear end of the gripper 330 and pulls the mouthpiece 310, the stretchable tube 320 is stretched and the rear end of the stretchable tube 320 is moved forward (the outflow port 302 and the blocking member 140 are spaced apart from each other) and the outlet 302 is opened.

Accordingly, while the driver holds the rear end of the forceps 330 and pulls the mouthpiece 310, the movement of the air through the air inlet pipe 100 is blocked while the movement of air through the breathing inlet pipe 300 is possible .

At this time, when the driver spits on the mouthpiece 310 and breathed, only the respiration of the driver passes through the elastic tube 320 and passes through the alcohol sensor 200, so that the highly reliable blood alcohol concentration can be measured.

After measuring the blood alcohol concentration using the respiratory inflow tube 300, when the tongue 330 is moved toward the cluster fascia 1 (the telescoping tube 320 is contracted by elastic recovery), the tongue 330 returns again to the cluster fascia 1 As shown in Fig.

According to the present invention, there is provided a vehicular drunk driving preventing system comprising: an inlet of an air inflow pipe formed in a cluster fascia and an outlet connected to a constant air intake passage of an air conditioner to reliably measure a measured value of an alcohol in the air of the vehicle; It is possible to provide a control method thereof.

In addition, the inflow port of the respiratory inflow pipe is provided outside the cluster fascia or the dashboard, and the outlet port is provided inside the air inflow pipe, so that the amount of alcohol in the driver breath can be directly measured when necessary, . ≪ / RTI >

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is obvious to those who have. Accordingly, it should be understood that such modifications or alterations should not be understood individually from the technical spirit and viewpoint of the present invention, and that modified embodiments fall within the scope of the claims of the present invention.

10,20: Drunk driving prevention system
100: air inlet pipe 300: breathing inlet pipe
101: inlet 301: inlet
110: inlet 302: outlet
120: installation part 310: mouthpiece
130: outlet part 320: stretch tube
140: blocking member 330: tongs
150: fixed partition wall X: rotating shaft
151: through hole 340: movable partition wall
200: alcohol sensor 341: through hole
1: Cluster fascia 350: Elastic member
1A: Cluster 400: Control section
S1: first image display 500: pressure sensor
S2: Second image display 600: Fan
2: Air conditioner
S100: Control Method of Drunk Driving Prevention System
S110: Detection step
S120: Measurement step
S130: control step

Claims (10)

An air inlet pipe (100) having an inlet (101) formed in the cluster fascia (1) and an outlet connected to a normal air intake passage of the air conditioner (2); And
And an alcohol sensor (200) for measuring the amount of alcohol in the air flowing through the air inlet pipe (100) and sending / receiving signals to / from the controller (400)
The control unit 400 forcibly controls the vehicle so as to suppress the driving of the vehicle when the amount of alcohol measured by the alcohol sensor 200 exceeds the set alcohol value,
The inflow port 301 is provided outside the cluster fascia 1 or the dashboard and the outflow port 302 further includes a respiratory inflow pipe 300 provided inside the air inflow pipe 100,
The respiratory inflow tube (300)
A mouthpiece (310) forming said inlet (301); And
And a flexible tube (320) forming the outlet (302) and in which the breath of the user flowing into the inlet (301) moves,
A movable partition wall 340 having a through hole 341 formed therein is coupled to the outside of the extensible tube 320,
A blocking member (140) for blocking the outlet (302) is formed in the air inlet pipe (100)
Characterized in that the movable partition wall (340) is urged toward the blocking member (140) by the elastic member (350) such that the outlet (302) is blocked if the user does not pull the mouthpiece (310) Driving prevention system. The method according to claim 1,
A pressure sensor 500 for measuring an internal pressure and a fan 600 for enforcing the inflow of air from the inlet 101 are installed in the air inlet pipe 100,
Wherein the control unit (400) controls the driving of the fan (600) so that the internal pressure is adjusted to a set pressure value when the driver's seat door of the vehicle is closed after the door is opened. delete delete delete The method according to claim 1,
A fixed partition 150 having a through hole 151 is formed in the air inlet pipe 100,
When the user pulls the mouthpiece 310, the expansion and contraction tube 320 is extended and the movable partition wall 340 is brought into close contact with the fixed partition wall 150 so that the through hole 151 and the through hole 341 And the vehicle is blocked. delete delete delete delete

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