CN202123985U

CN202123985U - Automobile safety prompt device

Info

Publication number: CN202123985U
Application number: CN2011202075080U
Authority: CN
Inventors: 姜虎强; 范长青; 刘金凤; 董良新; 张虹
Original assignee: Yantai Automobile Engineering Professional College
Current assignee: Yantai Automobile Engineering Professional College
Priority date: 2011-06-11
Filing date: 2011-06-11
Publication date: 2012-01-25
Anticipated expiration: 2021-06-11

Abstract

The utility model relates to an automobile safety prompt device, which comprises a power module, at least four ultrasonic ranging modules, single chip microcomputers, an LCD (liquid crystal display) module and CAN (controller area network) controllers. The four ultrasonic ranging modules are mounted in the front, in the rear, on the left and on the right of an automobile respectively; the power module is connected with the first single chip microcomputer through a power conversion module; a power switch is further arranged between the first single chip microcomputer and a power conversion module; an alarm is connected with the first single chip microcomputer through a resistor R6; the first single chip microcomputer is respectively connected with the first CAN controller and the LCD module; and the first CAN controller is connected with a CAN bus through a first CAN isolating transceiver. By the aid of a circuit and single chip microcomputer control system and the CAN bus for communication, the automobile safety prompt device is long in signal transmission distance, high in onsite interference resistance, stable, reliable, convenient in expansion and especially suitable for safety prompt of large automobiles.

Description

A kind of automotive safety suggestion device

Technical field:

The utility model relates to the motor traffic safety technical field, especially relates to a kind of automotive safety suggestion device.

Background technology:

In recent years, along with the widespread use of full-sized car, its safety in operation is more and more important, and the automotive safety technology is as the important component part in automotive engineering field.The collision case that automobile takes place under various traffics is concluded and to be got up to have following several kinds of situations: head-on crash, side collision, knocks into the back, rolls etc.According to statistics: the side collision odds is only second to head-on crash in all kinds of collision cases of automobile, and therefore, the crash-proof security study of automobile side also is an important content of the active safety Journal of Sex Research of automobile.In the prior art; The automotive safety accessory equipment is applied to the reversing, two car meetings of the car radar warning device, particularly full-sized car of miniature car front end and car rear end, the road and bridge through narrow government official and cross roads more when turning, because vehicle body is long; General safe distance measuring equipment (DME) signal transmission is interfered; Therefore signal errors is big, and the driver often can not judge correctly that can car body correctly pass through, and causes accident such as car body collision.

Summary of the invention:

A kind of automotive safety suggestion device that the utility model provides to the deficiency of the medium-and-large-sized auto-safety mechanism of prior art; It is through adopting circuit control; On-the-spot strong interference immunity; Can before the accident in the automotive use process takes place, give the alarm, and on display module, correctly demonstrate measured distance.Thereby efficiently solve the problems of the prior art.

For realizing the foregoing invention purpose; The utility model adopts following technical scheme: described a kind of automotive safety suggestion device; It comprises power module and ultrasonic distance measuring module; Be characterized in also including micro controller system, LCD display module and CAN controller, described ultrasonic distance measuring module is at least four, and four ultrasonic distance measuring modules are installed in front portion, rear portion, left side and the right side of automobile respectively; Power module links to each other with first micro controller system through power transfer module; Also be provided with source switch between first micro controller system and the power transfer module; Annunciator links to each other with first micro controller system through resistance R 6; First micro controller system links to each other with the LCD display module with a CAN controller respectively, and a CAN controller is isolated transceiver through a CAN and linked to each other with the CAN bus.

Described ultrasonic distance measuring module is made up of second singlechip, super sonic control module, the 2nd CAN controller; The 2nd CAN controller is isolated transceiver through the 2nd CAN and is linked to each other with the CAN bus; Second singlechip links to each other with the 2nd CAN controller; The P2.0 port of second singlechip links to each other with the base stage of aerotron L1, and the emitter of aerotron L1 is through resistance R 4 ground connection, and the collecting electrode of aerotron L1 links to each other with the 12V power supply through resistance R 3; The collecting electrode of aerotron L1 links to each other with the 8th pin of super sonic control module through resistance R 5; The 9th pin of super sonic control module is through capacitor C 6 ground connection, and the 9th pin of super sonic control module links to each other with a port of transformer through capacitor C 7, and the 6th pin of super sonic control module links to each other with the c port of transformer; The 4th pin of super sonic control module links to each other with a port of transformer through capacitor C 5, and ultrasonic transduter links to each other with transformer; The 18 pin of super sonic control module is through capacitor C 2 ground connection; The 17 pin of super sonic control module is through capacitor C 1 ground connection; The 12 pin of super sonic control module links to each other with the 12V power supply; Be provided with resistance R 1 between the 12 pin of super sonic control module and the 17 pin, the 15 pin ground connection of super sonic control module, the 13 pin of super sonic control module links to each other with the b port of transformer; The 13 pin of super sonic control module is through capacitor C 3 ground connection; The 11 pin of super sonic control module is through capacitor C 4 ground connection, the 14 pin of super sonic control module and second singlechip /the INT1 port links to each other, and the 14 pin of super sonic control module passes through resistance and links to each other with the 5V power supply with R2.

Be provided with aerotron L2 between described annunciator and the resistance R 6; Resistance R 6 one ends link to each other with the PB0 port of first micro controller system; Resistance R 6 other ends link to each other with the base stage of triode L2; The grounded collector of aerotron L2, the emitter of aerotron L2 links to each other with an end of annunciator, another termination VCC port of annunciator.

The model of described first micro controller system is ATMEGA128.

There is following effect in the utility model through technique scheme: described a kind of automotive safety suggestion device, and it adopts circuit and single-chip computer control system; Utilize the CAN bus communication, long distance of signal transmission, on-the-spot strong interference immunity; Give the alarm before can having an accident to automobile turning, reversing, broadside impact, and on display module, correctly demonstrate measured distance, it is reliable and stable; Expansion is convenient, especially is fit to the safety instruction of full-sized car.

Description of drawings:

Fig. 1 is the structure control principle schematic of the utility model;

Shown in the figure: 1, ultrasonic transduter; 2, super sonic control module; 3, second singlechip, the 4, the 2nd CAN controller; 5, the 2nd CAN isolates transceiver; 6, CAN bus; 7, a CAN isolates transceiver; 8, a CAN controller; 9, first micro controller system; 10, LCD display module; 11, annunciator; 12, power module; 13, power transfer module; 14, source switch; 15, transformer; 16, ultrasonic distance measuring module.

The specific embodiment

Do further to detail below in conjunction with the most preferred embodiment shown in the accompanying drawing:

As shown in Figure 1; Described a kind of automotive safety suggestion device; It comprises power module and ultrasonic distance measuring module; Be characterized in also including micro controller system, LCD display module and CAN controller, described ultrasonic distance measuring module is at least four, and four ultrasonic distance measuring modules are installed in front portion, rear portion, left side and the right side of automobile respectively; Power module 12 links to each other with first micro controller system 9 through power transfer module 13; Also be provided with source switch 14 between first micro controller system 9 and the power transfer module 13; Annunciator 11 links to each other with first micro controller system 9 through resistance R 6; First micro controller system 9 links to each other with LCD display module 10 with a CAN controller 8 respectively, and a CAN controller 8 is isolated transceiver 7 through a CAN and linked to each other with CAN bus 6.

Described ultrasonic distance measuring module 16 is made up of second singlechip 3, super sonic control module 2, the 2nd CAN controller 4; The 2nd CAN controller 4 is isolated transceiver 5 through the 2nd CAN and is linked to each other with CAN bus 6; Second singlechip 3 links to each other with the 2nd CAN controller 4; The P2.0 port of second singlechip 3 links to each other with the base stage of aerotron L1, and the emitter of aerotron L1 is through resistance R 4 ground connection, and the collecting electrode of aerotron L1 links to each other with the 12V power supply through resistance R 3; The collecting electrode of aerotron L1 links to each other with the 8th pin of super sonic control module through resistance R 5; The 9th pin of super sonic control module 2 is through capacitor C 6 ground connection, and the 9th pin of super sonic control module 2 links to each other with a port of transformer 15 through capacitor C 7, and the 6th pin of super sonic control module 2 links to each other with the c port of transformer 15; The 4th pin of super sonic control module 2 links to each other with a port of transformer 15 through capacitor C 5, and ultrasonic transduter 1 links to each other with transformer 15; The 18 pin of super sonic control module 2 is through capacitor C 2 ground connection; The 17 pin of super sonic control module 2 is through capacitor C 1 ground connection; The 12 pin of super sonic control module 2 links to each other with the 12V power supply; Be provided with resistance R 1 between the 12 pin of super sonic control module 2 and the 17 pin, the 15 pin ground connection of super sonic control module 2, the 13 pin of super sonic control module 2 links to each other with the b port of transformer 15; The 13 pin of super sonic control module 2 is through capacitor C 3 ground connection; The 11 pin of super sonic control module 2 is through capacitor C 4 ground connection, the 14 pin of super sonic control module 2 and second singlechip /the INT1 port links to each other, and the 14 pin of super sonic control module 2 passes through resistance and links to each other with the 5V power supply with R2.

Be provided with aerotron L2 between described annunciator 11 and the resistance R 6; Resistance R 6 one ends link to each other with the PB0 port of first micro controller system; Resistance R 6 other ends link to each other with the base stage of triode L2; The grounded collector of aerotron L2, the emitter of aerotron L2 links to each other with an end of annunciator 11, another termination VCC port of annunciator 11.The model of described first micro controller system 9 is ATMEGA128.

Described a kind of automotive safety suggestion device when it is implemented, connects above-mentioned each device on request; Before ultrasonic distance measuring module 16 being installed on the car of lorry, behind the car, positions such as side; Start source switch 14, this moment, this device was started working, when automotive operation, be installed on the car the automatic measured automobiles of ultrasonic distance measuring module 16 beginnings apart from both sides and with the distance of front and back object; In good time being presented at above the LCD display module 10 of this distance meeting this moment; After this device also can be worked as the distance of object above setting of spacing both sides and periphery simultaneously, the distance on this LCD display module 10 can be flashed, the effect that annunciator 11 meetings are simultaneously reported to the police and warned to the driver.

Claims

1. automotive safety suggestion device; Comprise power module and ultrasonic distance measuring module; It is characterized in that also including micro controller system, LCD display module and CAN controller; Described ultrasonic distance measuring module is at least four, and four ultrasonic distance measuring modules are installed in front portion, rear portion, left side and the right side of automobile respectively; Power module links to each other with first micro controller system through power transfer module; Also be provided with source switch between first micro controller system and the power transfer module; Annunciator links to each other with first micro controller system through resistance R 6; First micro controller system links to each other with the LCD display module with a CAN controller respectively, and a CAN controller is isolated transceiver through a CAN and linked to each other with the CAN bus.

2. a kind of automotive safety suggestion device according to claim 1; It is characterized in that: described ultrasonic distance measuring module is made up of second singlechip, super sonic control module, the 2nd CAN controller; The 2nd CAN controller is isolated transceiver through the 2nd CAN and is linked to each other with the CAN bus, and second singlechip links to each other with the 2nd CAN controller, and the P2.0 port of second singlechip links to each other with the base stage of aerotron L1; The emitter of aerotron L1 is through resistance R 4 ground connection; The collecting electrode of aerotron L1 links to each other with the 12V power supply through resistance R 3, and the collecting electrode of aerotron L1 links to each other with the 8th pin of super sonic control module through resistance R 5, and the 9th pin of super sonic control module is through capacitor C 6 ground connection; The 9th pin of super sonic control module links to each other with a port of transformer through capacitor C 7; The 6th pin of super sonic control module links to each other with the c port of transformer, and the 4th pin of super sonic control module links to each other with a port of transformer through capacitor C 5, and ultrasonic transduter links to each other with transformer; The 18 pin of super sonic control module is through capacitor C 2 ground connection; The 17 pin of super sonic control module is through capacitor C 1 ground connection; The 12 pin of super sonic control module links to each other with the 12V power supply; Be provided with resistance R 1 between the 12 pin of super sonic control module and the 17 pin, the 15 pin ground connection of super sonic control module, the 13 pin of super sonic control module links to each other with the b port of transformer; The 13 pin of super sonic control module is through capacitor C 3 ground connection; The 11 pin of super sonic control module is through capacitor C 4 ground connection, the 14 pin of super sonic control module and second singlechip /the INT1 port links to each other, and the 14 pin of super sonic control module passes through resistance and links to each other with the 5V power supply with R2.

3. a kind of automotive safety suggestion device according to claim 1; It is characterized in that: be provided with aerotron L2 between described annunciator and the resistance R 6; Resistance R 6 one ends link to each other with the PB0 port of first micro controller system, and resistance R 6 other ends link to each other the grounded collector of aerotron L2 with the base stage of triode L2; The emitter of aerotron L2 links to each other with an end of annunciator, another termination VCC port of annunciator.

4. a kind of automotive safety suggestion device according to claim 1 is characterized in that: the model of described first micro controller system is ATMEGA128.