阅读说明：本技术 一种基于超声波的汽车防撞系统及防撞方法 (A kind of anti-collision system for automobile based on ultrasound and avoiding collision ) 是由 王洪臣 郑晓培 刘建军 于 2019-09-06 设计创作，主要内容包括：本发明公开了一种基于超声波的汽车防撞系统及防撞方法,包括：中央处理器、第一超声波测距模块、第二超声波测距模块、报警模块、自动修正模块等,所述第一超声波测距模块通过第一输入端口与所述中央处理器连接,所述第二超声波测距模块通过第二输入端口与所述中央处理器连接,所述报警模块通过第一输出端口与所述中央处理器连接,所述自动修正模块通过第二输出端口与所述中央处理器连接；本发明针对侧向碰撞危险进行预警,具有较高的报警准确率与实时性。(The invention discloses a kind of anti-collision system for automobile based on ultrasound and avoiding collisions, it include: central processing unit, first ultrasonic distance measuring module, second ultrasonic distance measuring module, alarm module, automatic correction module etc., first ultrasonic distance measuring module is connect by first input port with the central processing unit, second ultrasonic distance measuring module is connect by the second input port with the central processing unit, the alarm module is connect by the first output port with the central processing unit, the automatic correction module is connect by second output terminal mouth with the central processing unit；The present invention carries out early warning, alarm accuracy rate and real-time with higher for side collision danger.)

1. a kind of anti-collision system for automobile based on ultrasound characterized by comprising

Central processing unit (1), the central processing unit (1) is internal to be previously stored with distance threshold；

First ultrasonic distance measuring module (2), first ultrasonic distance measuring module (2) pass through first input port and the center Processor (1) connection, first ultrasonic distance measuring module (2) is for measuring this vehicle side at a distance from other vehicles；

Second ultrasonic distance measuring module (3), second ultrasonic distance measuring module (3) pass through the second input port and the center Processor (1) connection, second ultrasonic distance measuring module (3) is for measuring this vehicle other side at a distance from other vehicles；

Alarm module (4), the alarm module (4) are connect by the first output port with the central processing unit (1), the report Alert module (4) are used for warning note；

Automatic correction module (5), the automatic correction module (5) are connected by second output terminal mouth and the central processing unit (1) It connects, the automatic correction module (5) for correcting spacing automatically.

2. a kind of anti-collision system for automobile based on ultrasound according to claim 1, which is characterized in that further include: it is automatic Brake module (6), the self-actuating brake module (6) are connect by third output port with the central processing unit (1).

3. a kind of anti-collision system for automobile based on ultrasound according to claim 1, which is characterized in that further include: speed Measurement module (7), the vehicle speed measurement module (7) are connect by third input port with the central processing unit (1), the vehicle Fast measurement module (7) is for measuring this vehicle speed.

4. a kind of anti-collision system for automobile based on ultrasound according to claim 1-3, which is characterized in that also wrap Include: GPS positioning module (8), the GPS positioning module (8) are connect by the 4th input port with the central processing unit (1), The GPS positioning module (8) is for obtaining the specific location information of vehicle.

5. a kind of anti-collision system for automobile based on ultrasound according to claim 1-3, which is characterized in that also wrap Include: voice cue module (9), the voice cue module (9) are connected by the 4th output port and the central processing unit (1) It connects.

6. a kind of automobile anti-collision method using the described in any item anti-collision system for automobile based on ultrasound of claim 1-5, It is characterized by comprising the following steps:

S1: first ultrasonic distance measuring module (2) and described second ultrasonic distance measuring module (3) this vehicle of real-time monitoring and its two The distance of side vehicle, and it is sent to the central processing unit (1)；

S2: the distance received is compared by the central processing unit (1) with the distance threshold, calculates this vehicle and side vehicle Distance threshold；

S3: when Ben Che is less than distance threshold at a distance from the vehicle of side, the alarm module (4) is alarmed, and prompts to drive Member executes relevant operation；

S4: when driver does not execute operation or first ultrasonic distance measuring module (2) and second ultrasonic wave for a period of time Range finder module (3) distance continues for some time when being still gradually reduced, the central processing unit (1) send control instruction to it is described from Dynamic correction module (5) correct spacing.

7. a kind of anti-collision system for automobile based on ultrasound according to claim 6, which is characterized in that the step S4 In: when the automatic correction module (5) can not receive operational order, the central processing unit (1) send a command to it is described from Dynamic brake module (6), the self-actuating brake module (6) stop vehicle.

8. a kind of anti-collision system for automobile based on ultrasound according to claim 6, which is characterized in that the step S1 In: the vehicle speed measurement module (7) measures this vehicle speed.

Technical field

The present invention relates to technical field of vehicle safety, more particularly to a kind of automobile collision preventing system based on ultrasound System and avoiding collision.

Background technique

Automobile quantity expand rapidly with speed it is swift and violent raising to people's lives mode and production knot temporarily bring it is huge Big variation, this variation are that the trip of people is more and more convenient, greatly improve people's lives.

However, a large amount of car is equipped with front truck radar and rear car radar at present, this configuration can be helped effectively New hand judges at a distance between front truck and barrier, is seldom related to side radar, in the more and more traffic accidents of side collision The system research of middle Lateral Collision Avoidance is also in the stage of starting, and the Lateral Collision Avoidance of most of automobiles relies primarily on the technology of driver It is carried out with experience, seriously reduces the active safety of automobile；Such as document " the automobile side crash alarm system based on ultrasonic distance measurement Design " although in carried out correlative study, it is only able to achieve early warning operation, and adaptability is poor.

Therefore, how to provide a kind of anti-collision system for being able to solve the above problem is those skilled in the art's urgent need to resolve Problem.

Summary of the invention

In view of this, the present invention provides a kind of anti-collision system for automobile based on ultrasound and avoiding collisions, for lateral Risk of collision carries out early warning, alarm accuracy rate and real-time with higher.

To achieve the goals above, the present invention adopts the following technical scheme:

A kind of anti-collision system for automobile based on ultrasound, comprising:

Central processing unit is previously stored with distance threshold inside the central processing unit；

First ultrasonic distance measuring module, first ultrasonic distance measuring module pass through first input port and the central processing unit Connection, first ultrasonic distance measuring module is for measuring this vehicle side at a distance from other vehicles；

Second ultrasonic distance measuring module, second ultrasonic distance measuring module pass through the second input port and the central processing unit Connection, second ultrasonic distance measuring module is for measuring this vehicle other side at a distance from other vehicles；

Alarm module, the alarm module are connect by the first output port with the central processing unit, and the alarm module is used In warning note；

Automatic correction module, the automatic correction module are connect by second output terminal mouth with the central processing unit, it is described oneself Dynamic correction module for correcting spacing automatically.

This vehicle is measured at a distance from the vehicle of two sides by ultrasonic wave module using having the beneficial effect that for above-mentioned apparatus, opposite side Early warning, alarm accuracy rate and real-time with higher are carried out to risk of collision.

Preferably, further includes: self-actuating brake module, the self-actuating brake module pass through third output port and the center Processor connection.

Preferably, further includes: vehicle speed measurement module, the vehicle speed measurement module pass through third input port and the center Processor connection, the vehicle speed measurement module is for measuring this vehicle speed.

Preferably, further includes: GPS positioning module, the GPS positioning module pass through the 4th input port and the centre Device connection is managed, the GPS positioning module is for obtaining the specific location information of vehicle.

Preferably, further includes: voice cue module, the voice cue module pass through the 4th output port and the center Processor connection.

A kind of automobile anti-collision method using aforementioned described in any item anti-collision system for automobile based on ultrasound, including such as Lower step:

S1: first ultrasonic distance measuring module and the two sides described second ultrasonic distance measuring module this Che Yuqi of real-time monitoring vehicle Distance, and be sent to the central processing unit；

S2: the distance received is compared by the central processing unit with the distance threshold, calculates this vehicle and side vehicle Distance threshold；

S3: when Ben Che is less than distance threshold at a distance from the vehicle of side, the alarm module is alarmed, and driver is prompted to hold Row relevant operation；

S4: when driver does not execute operation or first ultrasonic distance measuring module and second ultrasonic distance measurement for a period of time Module distance continues for some time when being still gradually reduced, and the central processing unit sends control instruction to the automatic correction module Correct spacing.

Preferably, in the step S4: when the automatic correction module can not receive operational order, the central processing Device sends a command to the self-actuating brake module, and the self-actuating brake module stops vehicle.

Preferably, in the step S1: the vehicle speed measurement module measures this vehicle speed.

It can be seen via above technical scheme that the invention discloses a kind of anti-collision system for automobile based on ultrasound and anticollisions Method carries out the travel speed that the lateral distance between vehicle measured, measured vehicle using ultrasonic technology, and central processing unit can Above-mentioned parameter is calculated, the processing such as early warning and amendment, to the side collision of automobile real-time with higher, while to pre- The traffic accident of anti-road practical value with higher.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.

Fig. 1 attached drawing is a kind of overall structure functional block diagram of anti-collision system for automobile based on ultrasound of the present invention；

Fig. 2 attached drawing is the flow chart of avoiding collision of the present invention；

In Fig. 1-Fig. 2:

1- central processing unit, the first ultrasonic distance measuring module of 2-, the second ultrasonic distance measuring module of 3-, 4- alarm module, 5- are automatic Correction module, 6- self-actuating brake module, 7- vehicle speed measurement module, 8-GPS locating module, 9- voice cue module.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.