CN204870580U - Device for preventing use cell -phone to arouse dangerous driving in driving - Google Patents

Abstract

The utility model provides a device for preventing dangerous driving caused by using a mobile phone while driving. The device includes a driving state detection unit, a mobile phone detection unit, a vehicle control unit and a switch intelligent control circuit; the utility model can be automatically opened when the vehicle is running, After the vehicle is parked, it is automatically closed, the driving state of the vehicle is detected by the driving detection unit, whether the driver is in a dangerous driving state of receiving and calling a mobile phone is detected by the mobile phone detection unit, and the vehicle engine is managed by the vehicle control unit The system EMS, the anti-lock braking system ABS, the fault warning light and the warning device are intelligently controlled to control the vehicle status in time, prohibit acceleration, prepare for braking in advance, and warn the driver and surrounding vehicles. In the dangerous situation of one-handed driving caused by the use of mobile phones during driving, the probability of accidents is reduced and the safety factor is improved.

Description

A device for preventing dangerous driving caused by using a mobile phone while driving

technical field

The utility model belongs to the field of driving safety, in particular to a device for preventing dangerous driving caused by using a mobile phone in driving.

Background technique

With the improvement of living conditions, more and more people own private cars, and the problem that follows is the frequent occurrence of traffic accidents. According to the traffic control law, any motor vehicle driver is not allowed to use a mobile phone, smoke, etc. with one hand off the steering wheel. However, due to the widespread use of mobile phones, many drivers often ignore this regulation unintentionally or deliberately, and answer and make calls with mobile phones while driving, resulting in dangerous behaviors of one-handed driving.

Some current mobile phone communication systems for vehicles only provide a method for the driver to make and receive calls while driving. But it is inevitable that some drivers will still use their mobile phones due to emergencies or other factors while driving, resulting in the occurrence of dangerous behaviors of one-handed driving. How to reduce the accident rate caused by the dangerous behavior of one-handed driving caused by answering and calling mobile phones, take safety precautions and warning measures when dangerous driving behaviors occur, and improve the driving safety factor has become an important measure to avoid traffic accidents. .

Utility model content

The purpose of this utility model is to overcome the deficiencies of the prior art, and to provide a device for preventing dangerous driving caused by the use of mobile phones in driving. One-handed driving dangerous behavior caused by answering and calling mobile phones, and control the state of the vehicle, such as prohibiting the vehicle from accelerating, making preparations for braking in advance, turning on the fault warning light to warn the surrounding vehicles, and warning the driver that he is currently in a dangerous driving state. Take safety precautions when driving behavior occurs, reduce the probability of accidents, and improve the safety factor.

The technical solution of the utility model is: a device for preventing dangerous driving caused by using a mobile phone while driving, including a driving state detection unit, a mobile phone detection unit, a vehicle control unit and a switch intelligent control circuit;

The driving state detection unit, the vehicle control unit and the switch intelligent control circuit are installed inside the vehicle body, and the mobile phone detection unit is installed in the driver's seat headrest of the vehicle;

The input end of the driving state monitoring unit is connected to a speed sensor, the output end of the driving state monitoring unit is connected to the input end of the switch intelligent control circuit, and the output end of the switch intelligent control circuit is connected to the mobile phone detection unit and the vehicle control unit The input end is connected; the output end of the mobile phone detection unit is connected with the input end of the vehicle control unit;

The driving state monitoring unit detects the current driving speed through the speed sensor, the driving state monitoring unit sends the driving speed signal to the switch intelligent control circuit, and the switch intelligent control circuit controls the The working status of the mobile phone detection unit and the vehicle control unit;

The mobile phone detection unit judges whether the driver is in a one-handed dangerous driving state of making calls by detecting the signal of the mobile phone, and sends the signal to the vehicle control unit;

The vehicle control unit controls the state of the vehicle in time according to the signal sent by the mobile phone detection unit.

In the above scheme, the mobile phone detection unit includes an antenna, a mobile phone signal detector, a shaping circuit and a monostable trigger circuit; the input terminal of the mobile phone signal detector is connected to the antenna and the switch intelligent control circuit, and the mobile phone signal The output end of the detector is connected to the input end of the shaping circuit; the output end of the shaping circuit is connected to the input end of the monostable trigger circuit; the output end of the monostable trigger circuit is connected to the vehicle control unit.

In the above solution, the vehicle control unit includes a central processing unit MCU, an engine management system EMS and an anti-lock braking system ABS;

The input terminal of the central processing unit MCU is connected to the switch intelligent control circuit and the monostable trigger circuit, and the output terminal of the central processing unit MCU is connected to the engine management system EMS and the anti-lock braking system ABS.

Further, the vehicle control unit also includes a vehicle light control circuit, the input terminal of the vehicle light control circuit is connected to the output terminal of the central processing unit MCU, and the output terminal of the vehicle light control circuit is connected to the fault warning light of the vehicle. connect.

Further, the vehicle control unit further includes an audio output warning module, and the audio output warning module is connected to the output terminal of the central processing unit MCU.

The beneficial effects of the utility model are: compared with the prior art, the utility model detects the driving state of the vehicle through the driving detection unit, and detects whether the driver is in a dangerous driving state of receiving and calling a mobile phone through the mobile phone detection unit. The vehicle control unit intelligently controls the vehicle engine management system EMS, the anti-lock braking system ABS, the fault warning light and the warning device, timely controls the vehicle state, prohibits acceleration, and prepares for braking in advance. Warn the driver and surrounding vehicles, and reduce the chance of accidents when the driver uses a mobile phone while driving and causes the danger of one-handed driving.

Description of drawings

Fig. 1 is a schematic diagram of the device structure of an embodiment of the present invention.

Fig. 2 is a schematic diagram of the arrangement of the device in a vehicle according to an embodiment of the present invention.

Fig. 3 is a schematic flow chart of a method according to an embodiment of the present invention.

In the figure, 1, driving state detection unit; 101, speed sensor; 2, mobile phone detection unit; 201, antenna; 202, mobile phone signal detector; 203, shaping circuit; 204, monostable trigger circuit; 3, vehicle control unit ; 301, central processing unit MCU; 302, engine management system EMS; 303, anti-lock braking system ABS; 304, car light control circuit; 305, audio output warning module; 4, switch intelligent control circuit; 5, car body 6. The interior of the car body; 7. The headrest of the driver's seat; 8. The receiving range of the antenna.

Detailed ways

The utility model will be described in further detail below in conjunction with the specific embodiments of the accompanying drawings, but the protection scope of the utility model is not limited thereto.

As shown in Figure 1, it is an embodiment of the device for preventing dangerous driving caused by using a mobile phone while driving according to the utility model. In this embodiment, the device for preventing dangerous driving caused by using a mobile phone while driving includes a driving state The detection unit 1, the mobile phone detection unit 2, the vehicle control unit 3 and the switch intelligent control circuit 4; the device for preventing dangerous driving caused by using a mobile phone while driving is connected to the vehicle power supply or an additional power supply.

The driving state detection unit 1, the vehicle control unit 3 and the switch intelligent control circuit 4 are installed inside the car body 7, and the mobile phone detection unit 2 is installed in the driver's seat headrest 8 of the vehicle, as shown in Figure 2 Show.

The input end of the driving state monitoring unit 1 is connected to the speed sensor 101, the output end of the driving state monitoring unit 1 is connected to the input end of the switch intelligent control circuit 4, and the output end of the switch intelligent control circuit 4 is connected to the mobile phone detection unit 2 connected to the input end of the vehicle control unit 3; the output end of the mobile phone detection unit 2 is connected to the input end of the vehicle control unit 3.

The driving state monitoring unit 1 detects the current driving speed through the speed sensor 101, the driving state monitoring unit 1 sends the driving speed signal to the switch intelligent control circuit 4, and the switch intelligent control circuit 4 according to the driving speed The speed signal controls the working state of the mobile phone detection unit 2 and the vehicle control unit 3; when the car is moving and the speed is greater than zero, the driving state detection unit 1 sends a signal to the switch intelligent control circuit 4, so that The mobile phone detection unit 2 and the vehicle control unit 3 start to work; when the car stops and the speed is zero, the driving state detection unit 1 sends a signal to the switch intelligent control circuit 4, so that the mobile phone detection unit 1 and the vehicle control unit 3 stops working.

The mobile phone detection unit 2 judges whether the driver is in a one-handed dangerous driving state of making and receiving calls by detecting the signal of the mobile phone, and sends the signal to the vehicle control unit 3 .

The vehicle control unit 3 controls the state of the vehicle in time according to the signal sent by the mobile phone detection unit 2 .

The mobile phone detection unit 2 is connected to a vehicle power supply or an additional power supply. The mobile phone detection unit 2 includes an antenna 201, a mobile phone signal detector 202, a shaping circuit 203 and a monostable trigger circuit 204; the mobile phone signal detector 202 input terminal is connected to the antenna 201 and the switch intelligent control circuit 4, The output end of the mobile phone signal detector 202 is connected to the input end of the shaping circuit 203; the output end of the shaping circuit 203 is connected to the input end of the monostable trigger circuit 204; the output end of the monostable trigger circuit 204 is connected to the Vehicle control unit 3.

The mobile phone signal detector 202 detects the mobile phone signal in the range of about 30cm around the antenna 201, the receiving range 8 of the antenna is as shown in Figure 2, and the mobile phone signal detector 202 transmits the mobile phone signal to the Shaping circuit 203 determines the start and end of the mobile phone signal through the shaping circuit 203, the shaping circuit 203 outputs a trigger signal to the monostable trigger circuit 204, and the output of the monostable trigger circuit 204 meets the requirements The pulse signal to the vehicle control unit.

The vehicle control unit 3 is placed inside the vehicle body 6, and the vehicle control unit 3 is connected to the vehicle power supply or an additional power supply. The vehicle control unit 3 includes a central processing unit MCU301, an engine management system EMS302, an anti-lock braking system ABS303, a lamp control circuit 304 and an audio output warning module 305; the input end of the central processing unit MCU301 is connected to the switch intelligence control circuit 4 and the monostable trigger circuit 204, the output end of the central processing unit MCU301 is connected to the engine management system EMS302, the anti-lock braking system ABS303, the lamp control circuit 304 and the audio Output warning module 305; the output end of the vehicle light control circuit 304 is connected with the failure warning light of the vehicle. The audio output warning module 305 includes a warning device, and the warning device is connected to the output end of the central processing unit MCU301.

When the vehicle is running, the switch intelligent control circuit 4 is turned on so that the central processing unit MCU301 automatically enters the working state; when the vehicle is stopped, the switch intelligent control circuit 4 is closed so that the central processing unit MCU301 is automatically turned off. When the central processing unit MCU301 was working, the central processing unit MCU301 analyzed and processed the pulse signal sent by the monostable trigger circuit 204 of the mobile phone detection unit 2, if any mobile phone signal was within the detection range of the antenna 201, The central processing unit MCU301 sends a signal to the engine management system EMS302, and the engine management system EMS302 controls the fuel supply of the vehicle and prohibits the vehicle from accelerating; at the same time, the central processing unit MCU301 sends a signal to the anti-lock braking system ABS303, the anti-lock braking system ABS303 enters the braking preparation process of anti-lock braking pressure adjustment; at the same time, the central processing unit MCU301 sends a signal to the vehicle light control circuit 304, and the vehicle light control circuit 304 is turned on Fault warning light, the fault warning light can be the double flashing lights of the vehicle, prompting other vehicles that the car is in an abnormal driving state; at the same time, the central processing unit MCU301 sends a signal to the audio output warning module 305, and the audio output warning module 305 outputs prompt sound to prompt the driver to end the dangerous driving behavior as soon as possible. If the mobile phone signal disappears within the detection range of the antenna 201, the central processing unit MCU301 sends a signal to the engine management system EMS302, the anti-lock braking system ABS303, and the car light control circuit 304 to restore the normal driving state, At the same time, the central processing unit MCU301 sends a signal to the audio output warning module 305 to turn off the prompt sound.

The method of the device for preventing dangerous driving caused by using a mobile phone while driving, specifically includes the following steps, as shown in Figure 3:

Step1: The vehicle starts, the driving state monitoring unit 1 is powered on and enters the working state, the speed sensor 101 monitors the vehicle speed, and transmits the signal to the switch intelligent control circuit 4, when the speed sensor 101 detects that the vehicle speed is greater than zero , send the switch intelligent control circuit 4 open signal, when the speed sensor 101 detects that the vehicle speed is equal to zero, send the switch intelligent control circuit 4 close signal;

Step2: the switch intelligent control circuit 4 controls the working states of the mobile phone detection unit 2 and the vehicle control unit 3 after receiving the signal from the driving state monitoring unit 1;

Step3: After the mobile phone detection unit 2 enters the working state, the mobile phone signal detector 202 continues to detect the mobile phone signal within 30cm around the antenna 201, and transmits the detected mobile phone signal to the shaping circuit 203, determine the start and end of the mobile phone signal through the shaping circuit 203, when the mobile phone signal detector 202 detects the mobile phone signal, it is considered that the driver is in a single-handed dangerous driving state for making and receiving calls, and the The shaping circuit 203 sends a signal to the monostable trigger circuit 204, and the monostable trigger circuit 204 generates a pulse signal and sends it to the central processing unit MCU301, and the vehicle control unit 3 enters an alert state; when the mobile phone signal When the detector 202 detects that the mobile phone signal ends, it is considered that the driver has returned to the normal driving state, and the shaping circuit 203 sends a signal to the monostable trigger circuit 204, and the monostable trigger circuit 204 generates a pulse signal and sends it to the The central processing unit MCU301, the vehicle control unit 3 enters the disarmed state.

Step4: When the vehicle control unit 3 enters the warning state, the central processing unit MCU301 sends a signal to the engine management system EMS302, the anti-lock braking system ABS303, the lamp control circuit 304 and the audio output warning module 305, The engine management system EMS302 controls the fuel supply of the vehicle, prohibits the vehicle from continuing to accelerate, the anti-lock braking system ABS303 enters the braking preparation process, and the lamp control circuit 304 turns on the fault warning lamp to prompt the front and rear vehicles In an abnormal driving state, the audio output warning module 305 sends a dangerous driving prompt sound to the driver, prompting the driver to end the dangerous driving behavior as soon as possible;

When the vehicle control unit 3 enters the contact warning state, the central processing unit MCU301 sends a signal to the engine management system EMS302, the anti-lock braking system ABS303, the lamp control circuit 304 and the audio output warning module 305; The engine management system EMS302 and the anti-lock braking system ABS303 return to normal working status, the vehicle light control circuit 304 turns off the fault warning light, and the audio output warning module 305 turns off the prompt sound.

Described embodiment is the preferred embodiment of the present utility model, but the present utility model is not limited to above-mentioned embodiment, under the situation of not departing from the essential content of the present utility model, any obvious improvement that those skilled in the art can make , replacement or modification all belong to the protection scope of the present utility model.

Claims (5)

1. A device for preventing dangerous driving caused by using a mobile phone in driving, characterized in that it comprises a driving state detection unit (1), a mobile phone detection unit (2), a vehicle control unit (3) and a switch intelligent control circuit (4); The driving state detection unit (1), the vehicle control unit (3) and the switch intelligent control circuit (4) are installed inside the vehicle body (7), and the mobile phone detection unit (2) is installed in the driving Inside the headrest (8); The input end of the driving state monitoring unit (1) is connected to a speed sensor (101), the output end of the driving state monitoring unit (1) is connected to the input end of the switch intelligent control circuit (4), and the switch intelligent control circuit (4) ) output end is connected with the input end of the mobile phone detection unit (2) and the vehicle control unit (3); the output end of the mobile phone detection unit (2) is connected with the input end of the vehicle control unit (3); The driving state monitoring unit (1) detects the current driving speed through the speed sensor (101), the driving state monitoring unit (1) sends the driving speed signal to the switch intelligent control circuit (4), and the switch An intelligent control circuit (4) controls the working states of the mobile phone detection unit (2) and the vehicle control unit (3) according to the driving speed signal; The mobile phone detection unit (2) judges whether the driver is in a one-handed dangerous driving state for answering and making calls by detecting the signal of the mobile phone, and sends the signal to the vehicle control unit (3); The vehicle control unit (3) controls the state of the vehicle in time according to the signal sent by the mobile phone detection unit (2). 2. The device for preventing dangerous driving caused by using a mobile phone in driving according to claim 1, wherein the mobile phone detection unit (2) includes an antenna (201), a mobile phone signal detector (202), a shaping circuit (203 ) and monostable trigger circuit (204); described mobile phone signal detector (202) input end connects described antenna (201) and described switch intelligent control circuit (4), and described mobile phone signal detector (202) outputs end is connected to the input end of the shaping circuit (203); the output end of the shaping circuit (203) is connected to the input end of the monostable trigger circuit (204); the output end of the monostable trigger circuit (204) is connected to the Vehicle control unit (3). 3. The device for preventing dangerous driving caused by using a mobile phone in driving according to claim 2, wherein the vehicle control unit (3) includes a central processing unit MCU (301), an engine management system EMS (302) and an anti- Locking brake system ABS (303); The input end of the central processing unit MCU (301) is connected to the switch intelligent control circuit (4) and the monostable trigger circuit (204), and the output end of the central processing unit MCU (301) is connected to the engine management system EMS (302) and said anti-lock braking system ABS (303). 4. The device for preventing dangerous driving caused by using a mobile phone while driving according to claim 1 or 3, characterized in that the vehicle control unit (3) further includes a vehicle light control circuit (304), and the vehicle light control circuit The input end of (304) is connected with the output end of the central processing unit MCU (301), and the output end of the vehicle light control circuit (304) is connected with the failure alarm light of the vehicle. 5. The device for preventing dangerous driving caused by using a mobile phone while driving according to claim 1 or 3, wherein the vehicle control unit (3) also includes an audio output warning module (305), and the audio output warning module (305) An alarm is included, and the alarm is connected to the output end of the central processing unit MCU (301).