CN201405741Y - Intelligent speed limiting system for automobile - Google Patents

Abstract

The utility model relates to the technical field of speed limiting systems, in particular to an intelligent speed limiting system for automobiles, which comprises a speed limiting launcher arranged at the beginning of a speed limiting road section and a speed control device arranged on an automobile; the speed-limiting transmitting device comprises a speed-limiting single chip microcomputer for outputting a speed-limiting value and a wireless transmitter for transmitting a speed-limiting signal; the speed control device comprises a wireless receiver for receiving a speed limit signal, a processor unit, a display for displaying a speed limit value, a vehicle speed measurer for measuring the current vehicle speed, a buzzer for alarming and prompting, and a speed limiting device for limiting the vehicle running speed; the speed-limiting transmitting device and the speed control device are in wireless connection with the wireless receiver through the wireless transmitter; the utility model discloses can make the car fall to safe speed of a motor vehicle safely peacefully, realize that the driver dare not to overspeed in subjectively, can not overspeed objectively in order to carry out timely safe effectual intelligence speed limit to the car.

Description

Automobile intelligent speed limit system

Technical field:

The utility model relates to the technical field of speed limiting systems, in particular to an intelligent speed limiting system for automobiles.

Background technique:

According to the statistics of traffic accidents in my country over the years, compared with other accident causes, the number of accident deaths caused by illegal speeding has always been in the forefront, and the proportion is also very large. For this reason, my country's legislation strictly prohibits speeding, and the public security and traffic management departments continue to strengthen law enforcement on the road, increase police investment, and strengthen the application of technological equipment. The cost of law enforcement is high and the effect is not good. Among them, the main reason for the driver's speeding is that the driver's attention is mainly concentrated on the judgment of the road conditions during driving, and the driving speed is mainly judged by feeling and driving experience, which is limited to the driver's physiological factors, resulting in unintentional speeding. Some drivers are deliberately speeding due to the existence of rebellious psychology and fluke psychology.

At present, there is no installation of an intelligent speed limiting system on a car that can make drivers dare not to speed subjectively and objectively. more and more serious trend; moreover, the speed limit value of the existing traffic control road section can not change with the change of conditions such as road conditions, environment, once the speed limit value of most road sections is set, in rainy days, foggy days, road conditions have Under the situation of change, still can't be changed, play a misleading effect to the driver, there is very big potential crisis.

Utility model content:

The purpose of this utility model is to provide an intelligent speed limit system for automobiles in view of the deficiencies in the prior art. It can display the speed limit value of the speed limit section according to the received speed limit signal to remind the driver to pay attention to control the speed of the vehicle, and can Carry out timely, safe and effective intelligent speed limit.

In order to achieve the above object, the technical solution adopted by the utility model is:

It includes a speed limit transmitting device arranged at the beginning of the speed limit road section and a speed control device installed on the car; device, the output end of the speed-limiting single-chip microcomputer is connected with the input end of the wireless transmitter; the speed control device includes a wireless receiver for receiving the speed-limiting signal, a processor unit, a display for displaying the speed-limiting value, and a display for measuring The speed measuring device of the current car speed, the buzzer for alarm prompt, the speed limit device for limiting the driving speed of the car, the output end of the wireless receiver is connected with the speed limit signal input end of the processor unit, and the input end of the display It is connected with the display signal output terminal of the processor unit, the output terminal of the vehicle speed measuring device is connected with the current vehicle speed signal input terminal of the processor unit, the input terminal of the buzzer is connected with the alarm signal output terminal of the processor unit, and the speed limit device The input end is connected with the speed limit signal output end of the processor unit; the speed limit transmitting device and the speed control device are wirelessly connected with the wireless receiver through the wireless transmitter.

The speed limiting device includes a vehicle-mounted computer and a speed-limiting execution device. The input terminal of the vehicle-mounted computer is connected to the speed-limiting signal output terminal of the processor unit, and the output terminal of the vehicle-mounted computer is connected to the input terminal of the speed-limiting execution device.

The speed limit executive device is composed of an electromagnetic coil, a push rod for starting the braking system, a return spring, and a movable piece that can be absorbed by the electromagnetic coil. The electromagnetic coil is connected to the output end of the on-board computer, and the movable piece is placed on the On one side, there is a gap between the movable piece and the electromagnetic coil; one end of the push rod is connected to the brake system of the car, and a bump is formed at the other end; one end of the return spring is connected to the movable piece, and the other end is connected to the bump of the push rod connect.

The speed limiting device is a fuel limit sensor used to limit the speed of the vehicle.

The wireless transmitter is an infrared transmitter.

The wireless receiver is an infrared receiver.

The vehicle speed measuring device is a vehicle speed sensor.

The processor unit of the speed control device is a single-chip microcomputer, and its model is 89C52.

The beneficial effects of the utility model are:

The speed control device of the utility model installed on the automobile can receive the speed limit signal emitted by the wireless transmitter in the speed limit transmitting device through the wireless receiver, and the speed limit value of the speed limit road section is displayed by the display, and the speed limit signal of the speed control device is passed. The processor unit compares the current speed of the car with the speed limit value to determine whether it is overspeeding. When the car is overspeeding, the processor unit controls the speed limiting device to limit the speed of the car, so that the car can safely and peacefully drop to a safe speed. The purpose of the driver not daring to overspeed subjectively, but not objectively, is to carry out timely, safe and effective intelligent speed limit on the car.

Description of drawings:

Fig. 1 is the structural block diagram of the utility model embodiment one;

Fig. 2 is a schematic structural view of a speed limiting actuator according to an embodiment of the present utility model;

Fig. 3 is a structural block diagram of the second embodiment of the utility model.

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is further described, please refer to Fig. 1, 2, it is embodiment one of the present utility model, and it comprises the speed-limiting emission device 1 that is arranged on the beginning of the speed-limiting road section and the speed control that is installed on the automobile Device 2; the speed limit transmitting device 1 includes a speed limit single-chip microcomputer 11 for outputting a speed limit value, a wireless transmitter 12 for transmitting a speed limit signal, an output end of the speed limit single chip microcomputer 11 and an input end of the wireless transmitter 12 connected, the speed limit microcontroller 11 outputs the preset speed limit value to the wireless transmitter 12; the speed control device 2 includes a wireless receiver 21 for receiving the speed limit signal, a processor unit 22, and is used for displaying the speed limit Value display 23, a vehicle speed measuring device 24 for measuring the current vehicle speed, a buzzer 25 for warning, a speed limiting device 26 for limiting the vehicle speed, the output terminal of the wireless receiver 21 and the processor unit The speed limit signal input end of 22 is connected, the input end of display 23 is connected with the display signal output end of processor unit 22, the output end of vehicle speed measuring device 24 is connected with the current vehicle speed signal input end of processor unit 22, buzzer 25 The input end of is connected with the alarm signal output end of processor unit 22, and the input end of speed limiter 26 is connected with the speed limit signal output end of processor unit 22; Described speed limit transmitting device 1 and speed control device 2 transmit The device 12 is connected wirelessly with the wireless receiver 21.

The speed limiting device 26 of the present embodiment comprises a vehicle-mounted computer 27, a speed-limiting execution device 28, and the input end of the vehicle-mounted computer 27 is connected with the speed-limiting signal output end of the processor unit 22, and the output end of the vehicle-mounted computer 27 is connected with the speed-limiting execution device 28 The input terminal connection; wherein, the speed limit actuator 28 is composed of an electromagnetic coil 281, a push rod 282 for starting the braking system 287, a return spring 283, and a movable piece 284 that can be adsorbed by the electromagnetic coil 281. The electromagnetic coil 281 Connect with the output end of vehicle-mounted computer 27, movable piece 284 is placed on the side of electromagnetic coil 281, is provided with space between movable piece 284 and electromagnetic coil 281; One end of push rod 282 is connected with brake system 287 of automobile, and the other end is molded There is a bump 285; one end of the return spring 283 is connected with the movable piece 284, and the other end is connected with the bump 285 of the push rod 282. The working principle of the speed limit actuator 28 is that when the on-board computer 27 outputs a control signal to energize the electromagnetic coil 281, the electromagnetic coil 281 will attract the movable piece 284, and the push rod 282 will be driven by the return spring 283 to start the brake system 287 , thereby forcibly reducing the running speed of the automobile. When the electromagnetic coil 281 is powered off, the electromagnetic coil 281 will release the movable piece 284, so that the return spring 283 and the push rod 282 are restored, and the mechanical intervention on the braking system 287 is cancelled; Increase the control of the electromagnetic coil 281 to the push rod 282. The upper and lower sides of the push rod 282 are provided with an electromagnetic coil 281, a movable piece 284 and a return spring 283; When the rod 282 starts the braking system 287, the push rod 282 will not drive the pedal 288 to move. The driver can perform normal deceleration through the foot pedal 288 .

The wireless transmitter 12 of the present embodiment is an infrared transmitter, and the wireless receiver 21 is an infrared receiver, because the infrared wireless transmission mode has a short transmission distance of 8-10m, is easy to control, and is suitable for driving on the same road section. Other cars are less affected.

The vehicle speed measuring device 24 in this embodiment is a vehicle speed sensor, which is used to measure the current driving speed of the vehicle, and convert the current vehicle speed into an electrical signal and send it to the processor unit 22 .

The processor unit 22 of the speed control device 2 of this embodiment is a single-chip microcomputer, and its model is 89C52, which has the characteristics of low price, strong confidentiality, low power consumption, and convenient use.

When the utility model is applied to traffic overspeed control road sections, it divides the speed limit road section into prompt speed limit road section, mandatory speed limit road section and release speed limit road section in turn, and the prompt speed limit road section, mandatory speed limit road section and release speed limit road section The beginning of each is provided with a speed limit transmitter 1, when the car starts to enter the prompt speed limit section, the wireless receiver 21 of the speed control device 2 installed on the car will receive the wireless signal from the speed limit transmitter 1 at the beginning of the prompt speed limit section. The speed limit signal sent by the transmitter 12 is sent to the processor unit 22 of the speed control device 2, and the processor unit 22 will drive the display 23 to display the speed limit value of the speed limit road section according to the speed limit signal received, so as to prompt The driver pays attention to the speed limit value of this speed limit road section, meanwhile, processor unit 22 will compare the current vehicle speed input by vehicle speed measuring device 24 with the speed limit value of this speed limit road section, and judge whether the automobile is overspeeding, if the automobile overspeed, then process Device unit 22 can drive buzzer 25 and send the sound of alarm, to remind the driver to control the speed of the vehicle; 21 can receive the speed limit signal that the wireless transmitter 12 in the speed limit transmitting device 1 at the beginning of the mandatory speed limit road section transmits, if the current speed of the car still exceeds the speed limit value of this speed limit road section, then the processor unit 22 will The speed limit signal is output to the on-board computer 27, and the control signal is output by the on-board computer 27 to energize the electromagnetic coil 281, start the brake system 287 of the car, and forcibly reduce the driving speed of the car to the speed limit value, so that the car is safely and peacefully reduced to a safe speed. Realize the purpose that the driver does not dare to speed up subjectively, but cannot speed up objectively, so as to implement timely, safe and effective intelligent speed limit on the car; The wireless receiver 21 of the speed control device 2 will receive the speed limit release signal transmitted by the wireless transmitter 12 in the speed limit transmitting device 1 at the beginning of the speed limit section, and the processor unit 22 will output the speed limit signal to the on-board computer 27. The electromagnetic coil 281 is powered off through the control signal output by the on-board computer 27, the mechanical intervention on the brake system 287 is canceled, and the speed limit of the vehicle is released by the utility model.

Please refer to Fig. 3, it is embodiment two of the present utility model, and it differs from embodiment one in that its speed limiting device 26 is a fuel limit sensor 29 used to limit the speed of automobiles, which is suitable for vehicles without The speed limit of the automobile of computer 27, when there is no automobile with on-board computer 27 overspeed, the processor unit 22 of the speed control device 2 of the present embodiment can control the fuel limit sensor 29 to realize the mandatory speed limit of the automobile by outputting a control signal . Of course, other structures and working principles of this embodiment are the same as those of Embodiment 1, so details will not be repeated here.

The above is only a preferred embodiment of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope are all included in the utility model patent application scope .

Claims (8)

1, a kind of automobile intelligent speed limiting system is characterized in that: it comprises the speed limit feedway (1) that is arranged on top, speed limit highway section and is installed in speed control unit (2) on the automobile;

Described speed limit feedway (1) comprises the speed limit micro controller system (11) that is used to export speed limit, the wireless launcher (12) that is used to launch restricting signal, and the mouth of speed limit micro controller system (11) is connected with the input end of wireless launcher (12);

Described speed control unit (2) comprises the wireless receiver (21) that is used to receive restricting signal, processor unit (22), be used to show the telltale (23) of speed limit, be used to measure the vehicle speed measurement device (24) of current car speed, the buzzer phone (25) that is used for alarm, the speed limiting device (26) that is used for the restricting vehicle moving velocity, the mouth of wireless receiver (21) is connected with the restricting signal input end of processor unit (22), the input end of telltale (23) is connected with the shows signal mouth of processor unit (22), the mouth of vehicle speed measurement device (24) is connected with the current vehicle speed signal input part of processor unit (22), the input end of buzzer phone (25) is connected with the alarm signal output ends of processor unit (22), and the input end of speed limiting device (26) is connected with the restricting signal mouth of processor unit (22);

Described speed limit feedway (1) and speed control unit (2) carry out wireless connections by wireless launcher (12) and wireless receiver (21).

2, automobile intelligent speed limiting system according to claim 1, it is characterized in that: described speed limiting device (26) comprises vehicle-mounted computer (27), speed limit executive device (28), the input end of vehicle-mounted computer (27) is connected with the restricting signal mouth of processor unit (22), and the mouth of vehicle-mounted computer (27) is connected with the input end of speed limit executive device (28).

3, automobile intelligent speed limiting system according to claim 2, it is characterized in that: described speed limit executive device (28) by magnet coil (281), the push rod (282) that is used to start brake system (287), pull back spring (283), can be formed by the movable plate (284) of magnet coil (281) absorption, magnet coil (281) is connected with the mouth of vehicle-mounted computer (27), movable plate (284) places a side of magnet coil (281), is provided with the space between movable plate (284) and the magnet coil (281); One end of push rod (282) is connected with the brake system (287) of automobile, and the other end forms projection (285); One end of pull back spring (283) is connected with movable plate (284), and the other end is connected with the projection (285) of push rod (282).

4, automobile intelligent speed limiting system according to claim 1 is characterized in that: described speed limiting device (26) is for being used for the limit oil sensor (29) of restricting vehicle moving velocity.

5, automobile intelligent speed limiting system according to claim 1 is characterized in that: described wireless launcher (12) is an infrared transmitter.

6, automobile intelligent speed limiting system according to claim 1 is characterized in that: described wireless receiver (21) is an infrared remote receiver.

7, automobile intelligent speed limiting system according to claim 1 is characterized in that: described vehicle speed measurement device (24) is a car speed sensor.

8, automobile intelligent speed limiting system according to claim 1 is characterized in that: the processor unit (22) of described speed control unit (2) is a micro controller system, and its model is 89C52.

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