CN203358510U

CN203358510U - Automobile pressure sensing protector

Info

Publication number: CN203358510U
Application number: CN 201320391054
Authority: CN
Inventors: 王稼轩; 杨永才
Original assignee: University of Shanghai for Science and Technology
Current assignee: University of Shanghai for Science and Technology
Priority date: 2013-07-03
Filing date: 2013-07-03
Publication date: 2013-12-25
Anticipated expiration: 2023-07-03

Abstract

The utility model relates to an automobile pressure sensing protector which is formed by a protection circuit module and an early warning circuit module. The protection circuit module is fixed at a position, prone to being collided, scrapped and damaged, of an automobile, and the early warning circuit module is arranged in the automobile. A rubber strip in the protection circuit module is arranged on the outer layer of the protection circuit module. A pressure sensor, an A/D converter, a single-chip microcomputer, an encoder and a signal generator are placed on the inner layer of the protection circuit module, and a spring is arranged on the middle layer. The pressure sensor is connected with the single-chip microcomputer through the A/D converter, the single-chip microcomputer is connected with the signal generator through the encoder, the output end of the signal generator is connected with a data receiver in the early warning circuit module, the data receiver is connected with the single-chip microcomputer through the encoder, and the output end of the single-chip microcomputer is connected with an LED display screen and a buzzer. The automobile pressure sensing protector meets practical life demands, and is small in size, low in cost, convenient to install, not only capable of protecting the automobile from being scrapped and saving time and money of drivers, but also capable of giving a collision alarm after a collision happens, and simplifies the turning or backing process of the automobile at a narrow position.

Description

Automobile pressure sensing guard

Technical field

The utility model relates to a kind of system of automobile being carried out to crashproof protection and early warning, and especially a kind of injury suffered in little collision for reducing automobile reduces car owner's loss, simplifies the guard of vehicle at stenosis turning and reversing process.

Background technology

Along with the development of urban economy, the quantity of private car is more and more.Therefore, the little grazing that automobile runs under steam or the little scraping run in parking become day by day frequent.Although, for normally travelling, there is no big harm.But the replacing for automotive parts usually can exhaust people some unnecessary time and money with maintenance.Simultaneously, people also can, to driving more meticulously when turning with reversing, fear generation time and pecuniary loss, and therefore expend a large amount of energy.Especially for new hand driver, this has hit their enthusiasm of setting out on a journey widely.Therefore, need a kind of injury suffered in little collision for reducing automobile, reduce car owner's loss, simplify the guard of vehicle at stenosis turning and reversing process.

Summary of the invention

The utility model is that a kind of automobile pressure sensing guard will be provided, and the injury suffered in little collision for reducing automobile reduces car owner's loss, simplifies vehicle and turns and reversing process in stenosis.

For achieving the above object, the technical solution of the utility model is: a kind of automobile pressure sensing guard, by being fixed in the easy grazing of automobile the protection circuit module of scraping harm and the early warning circuit module be placed in automobile, form, it is characterized in that: the protection circuit module comprises rubber strip, spring, pressure sensor, A/D converter, micro controller system, coder, signal generator, rubber strip is arranged on protection circuit module skin, protection circuit module internal layer placement force sensor, A/D converter, micro controller system, coder, signal generator, interlayer is placed spring; The early warning circuit module comprises data sink, micro controller system, demoder, LED display and buzzer phone, pressure sensor connects micro controller system by A/D converter, micro controller system connects signal generator by coder, signal generator mouth connection data receptor, data sink connects micro controller system by demoder, and the micro controller system mouth connects LED display and buzzer phone.

A/D converter in the protection circuit module is that ADC0809 A/D A and D converter, micro controller system are that AT89C51 micro controller system, coder are that PT2262 coder, signal generator are the F05 transmitter module.

Data sink in the early warning circuit module is that J05 receiver module, demoder are that PT2272 coder, micro controller system are the AT89C51 micro controller system.

The protection circuit module is fixed on automobile steering angle by connecting element.Four described protection circuit modules are separately fixed on four corners of automobile.

The beneficial effects of the utility model are:

Rubber strip can be protected little grazing and wearing and tearing, reduces the direct injury to car body.Even after producing collision, pressure sensor will start to measure the pressure that rubber strip bears, and the data obtained is sent to the data sink in car via data source, and show force value by LED, send collision warning by buzzer phone and remind the car owner to bump.After collision finishes, pressure sensor will quit work, and buzzer phone also will stop alarm.

The utility model is because being used rubber strip, and spring carries out Cushioning Design, so, even car body is after bumping, still can, according to born pressure, determine whether continuing to move ahead or retreat.After bumping, when pressure is less than preset value (the limit that preset value is Cushioning Design continues the force value that extruding can destroy car body), buzzer phone still sends collision warning.When pressure approaches preset value, buzzer phone will send and damage the early warning alarm.When pressure is more than or equal to preset value, buzzer phone will send the damage alarm.

The utility model meets the real life demand, and volume is little, with low cost, easy for installation, can protect vehicle to avoid scratching, and saves car owner's time and money, also can send collision warning after bumping, and has simplified vehicle and has turned and the process of moveing backward in stenosis.After commercialization, automobile pressure sensing guard has wide application market.

The accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is protection circuit modular construction schematic diagram;

Fig. 3 is protection circuit module principle block diagram;

Fig. 4 is early warning circuit module principle block diagram;

Fig. 5 is the A/D A and D converter connection diagram in the protection circuit module;

Fig. 6 is PT2262 coder and the F05 transmitter module connection diagram in the protection circuit module;

Fig. 7 is J05 receiver module and the PT2272 coder connection diagram in the early warning circuit module;

Fig. 8 is the AT89C51 SCM program diagram of circuit in the early warning circuit module;

Fig. 9 is that the protection circuit module is installed schematic perspective view.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is described in further detail.

As shown in Figures 1 to 8, automobile pressure sensing guard of the present utility model, form by being fixed in the easy grazing of automobile 3 the protection circuit module 1 of scraping harm and the early warning circuit modules 2 that are placed in automobile 3.

Protection circuit module 1 comprises rubber strip 4, spring 5, pressure sensor, A/D converter, micro controller system, coder, signal generator, rubber strip 4 is arranged on protection circuit module 1 skin, protection circuit module 1 internal layer 6 placement force sensors, A/D converter, micro controller system, coder, signal generator, interlayer is placed spring 5.Early warning circuit module 2 comprises data sink, micro controller system, demoder, LED display and buzzer phone, pressure sensor connects micro controller system by A/D converter, micro controller system connects signal generator by coder, signal generator mouth connection data receptor, data sink connects micro controller system by demoder, and the micro controller system mouth connects LED display and buzzer phone.

A/D converter in protection circuit module 1 is that ADC0809 A/D A and D converter, micro controller system are that AT89C51 micro controller system, coder are that PT2262 coder, signal generator are the F05 transmitter module.

Data sink in early warning circuit module 2 is that J05 receiver module, demoder are that PT2272 coder, micro controller system are the AT89C51 micro controller system.

As shown in Figure 1, four described protection circuit modules 1 are separately fixed on four corners of automobile 3.Early warning circuit module 2 is placed in automobile 3.

As shown in Figure 2, protection circuit module 1 is fixed on automobile 3 corners by connecting element 7.

When collision occurs, rubber strip 4 and the spring 5 at automobile edge will play buffer protection function.Pressure sensor is started working, gaging pressure numerical value, and pressure value enters micro controller system (as Fig. 3, shown in 5,6) by the ADC0809A/D A and D converter, then by coder, data is encoded, and by the emission of F05 transmitter module, completes the effect of protection circuit module.

After data transmission, by the J05 receiver module in car, receive data, by demoder, to decoding data (as Fig. 4, shown in 7), after decoding, data enter micro controller system.

As shown in Figure 8, micro controller system judges for the first time to data, confirms whether pressure data reaches the impact pressure normal data, comes the pressure release sensor whether because of other reasons, to transmit data (sensor opens by mistake and opens or noise signal).If reach the impact pressure normal data, micro controller system will be in LED screen display force value.Micro controller system will judge for the second time to data, confirm whether pressure data has approached the preset value (limit that preset value is Cushioning Design, continue the force value that extruding can destroy car body), when force value reaches, micro controller system will make buzzer phone send and damage the early warning alarm, and the prompting car owner is about to produce loss.When not approaching preset value, micro controller system will judge for the third time to data, confirm that whether pressure data is over preset value or much smaller than preset value, when force value surpasses preset value, micro controller system will make buzzer phone send the damage alarm, remind car owner's vehicle to surpass the protection limit, produce real grazing.When force value, during much smaller than preset value, micro controller system will make buzzer phone send collision warning, remind car owner's Vehicle protector bar that grazing is arranged, but still can continue to move ahead.

As shown in Figure 9, protection circuit module 1 of the present utility model is installed on the installation crossbeam 8 that bumper/spoiler carries by connecting element 7, does not destroy the vehicle body outward appearance.

Above said content is only the basic explanation under the utility model design, and any equivalent transformation of doing according to the technical solution of the utility model all should belong to protection domain of the present utility model.

Claims

1. an automobile pressure sensing guard, by being fixed in, the protection circuit module (1) of harm is scraped in the easy grazing of automobile and the early warning circuit module (2) that is placed in automobile forms, it is characterized in that: described protection circuit module (1) comprises rubber strip (4), spring (5), pressure sensor, A/D converter, micro controller system, coder, signal generator, rubber strip (4) is arranged on protection circuit module (1) skin, protection circuit module internal layer (6) placement force sensor, A/D converter, micro controller system, coder, signal generator, interlayer is placed spring (5), early warning circuit module (2) comprises data sink, micro controller system, demoder, LED display and buzzer phone, pressure sensor connects micro controller system by A/D converter, micro controller system connects signal generator by coder, signal generator mouth connection data receptor, data sink connects micro controller system by demoder, and the micro controller system mouth connects LED display and buzzer phone.

2. automobile pressure sensing guard according to claim 1, it is characterized in that: the A/D converter in described protection circuit module (1) is that ADC0809 A/D A and D converter, micro controller system are that AT89C51 micro controller system, coder are that PT2262 coder, signal generator are the F05 transmitter module.

3. automobile pressure sensing guard according to claim 1, it is characterized in that: the data sink in described early warning circuit module (2) is that J05 receiver module, demoder are that PT2272 coder, micro controller system are the AT89C51 micro controller system.

4. automobile pressure sensing guard according to claim 1, it is characterized in that: described protection circuit module (1) is fixed on automobile (3) corner by connecting element (7).

5. automobile pressure sensing guard according to claim 1, it is characterized in that: four described protection circuit modules (1) are separately fixed on four corners of automobile (3).