A safe distance warning device for automobiles in motion

A technology for automobile safety and warning devices, applied in signal devices, vehicle parts, transportation and packaging, etc., can solve the problems of speed sensors and ultrasonic sensors susceptible to clutter interference, anti-interference ability, low data accuracy, etc., and achieve anti-interference ability. Strong, high data accuracy, accurate data effect

Inactive Publication Date: 2019-01-25
宜宾丰川动力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is: use the data measured by the speed sensor and the ultrasonic sensor to judge the distance between the rear car and the car during driving, and preset the safe distance. The ability is poor and the data accuracy is low. The present invention provides a safety distance warning device for driving cars that solves the above problems

Method used

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  • A safe distance warning device for automobiles in motion
  • A safe distance warning device for automobiles in motion
  • A safe distance warning device for automobiles in motion

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Such as Figure 1 to Figure 5 Shown, a kind of vehicle safety distance warning device in driving comprises single-chip microcomputer 4, power supply module 5, ultrasonic sensor 3, speed sensor 7, warning light 2, communication module 6; The level input end is connected, the distance signal receiving end of the single-chip microcomputer 4 is connected with the signal output end of the ultrasonic sensor 3, the speed signal receiving end of the single-chip microcomputer 4 is connected with the signal output end of the speed sensor 7, and the communication end of the single-chip microcomputer 4 is connected with the communication module 6. The control receiving end is connected, the light control end of the single-chip microcomputer 4 is connected with the control receiving end of the warning light 2, the ultrasonic sensor 3 is located at the rear side middle position of the automobile 1, and the described warning light 2 is located at both sides of the automobile 1 rear sid...

Embodiment 2

[0024] Such as Figure 1 to Figure 5 As shown, the difference between this embodiment and Embodiment 1 is that in the speed sensor 7, the voltage of +24V is grounded through the optocoupler 4N35, resistor R1, NPN transistor Q1, and resistor R8 in sequence, and the +5V voltage is grounded through the optocoupler 4N35 and the resistor R8. The first terminal of the resistor R3 is connected, the second terminal of the resistor R3 is connected to the negative input terminal of the integrated operational amplifier U1, and grounded after passing through the capacitor C1 and the resistor R9, and the positive input terminal of the integrated operational amplifier U1 is grounded after passing through the resistor R5 and the resistor R9 , the first terminal of the resistor R4 is connected to the negative input terminal of the integrated operational amplifier U1, the second terminal of the resistor R4 is grounded, the output terminal of the integrated operational amplifier U1 is connected ...

Embodiment 3

[0027] Such as Figure 1 to Figure 5 As shown, the difference between this embodiment and Embodiment 1 to Embodiment 2 is that the integrated operational amplifier U1 is an LM358D chip, and the resistance values ​​of the resistors R1, R2, R3, R4, R6, R8, and R9 are equal. The resistance value of the resistor R5 is 10KΩ, the resistance value of the resistor R5 is 21KΩ, the resistance value of the resistor R7 is 1KΩ, and the capacitance C1 is 0.01uf.

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Abstract

The invention discloses a safe distance warning device for automobiles in motion, which is easy to be disturbed by clutter, that is, the anti-interference ability is poor and the data precision is low. The invention comprises a single chip microcomputer, a power supply module, an ultrasonic sensor, a speed sensor, a warning lamp and a communication module. Wherein, the digital power supply terminal of the power supply module is connected with the level input terminal of the single chip microcomputer, the distance signal receiving end of the single-chip microcomputer is connected with the signal output end of the ultrasonic sensor, the speed signal receiving end of the single-chip microcomputer is connected with the signal output end of the speed sensor, the communication end of the single-chip microcomputer is connected with the control receiving end of the communication module, and the lamp control end of the single-chip microcomputer is connected with the control receiving end of thewarning lamp. The invention has the advantages of strong anti-interference ability of the speed sensor circuit and high precision of measured data.

Description

technical field [0001] The invention relates to a vehicle distance warning device, in particular to a driving vehicle safety distance warning device. Background technique [0002] Nowadays, the application range of automobiles is more and more extensive. While automobiles are convenient for people to travel, people pay more and more attention to the safety of automobile driving. Among various automobile traffic accidents, the chain collision accidents caused by rear-end collisions are even more serious. The reason, in addition to subjective reasons such as the driver's own inexperience, fatigue driving, and lack of concentration, is also related to the fact that the driver did not maintain a necessary safe distance from the vehicle in front during the driving process. In the actual driving process, for the driver, under different road conditions and different driving speeds, especially in the case of bad weather such as fog and haze, the judgment of the safe distance must b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60Q1/52
CPCB60Q1/525Y02B20/40
Inventor 田顺天李健汤伦权杨朝国
Owner 宜宾丰川动力科技有限公司
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