CN103612595A - C8051F single chip microcomputer based ultrasonic distance measuring backup reminder - Google Patents
C8051F single chip microcomputer based ultrasonic distance measuring backup reminder Download PDFInfo
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- CN103612595A CN103612595A CN201310593585.8A CN201310593585A CN103612595A CN 103612595 A CN103612595 A CN 103612595A CN 201310593585 A CN201310593585 A CN 201310593585A CN 103612595 A CN103612595 A CN 103612595A
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Abstract
The invention discloses a C8051F single chip microcomputer based ultrasonic distance measuring backup reminder comprising a single chip microcomputer, an ultrasonic transmitting module, an ultrasonic receiving module, a video acquisition module, a display module, a speech circuit and an alarm circuit. Input ends of the ultrasonic transmitting module, the display module, the speech circuit and the alarm circuit are connected with the single chip microcomputer, and output ends of the ultrasonic receiving module and the video acquisition module are connected with the single chip microcomputer which is a C8051F single chip microcomputer. By the aid of the C8051F single chip microcomputer, system response speed can be increased, and life safety of a driver and interior passengers are further guaranteed. Meanwhile, the video acquisition module feeds back images in the rear of a vehicle onto an LED display screen, and the speech circuit plays the distance between the rear of the vehicle and an obstacle in real time, so that the driver is reminded more directly. When the distance of the rear of the vehicle exceeds a safety value, the single chip microcomputer turns off a backup brake switch to further stop backup of the vehicle.
Description
Technical field
The present invention relates to supersonic sounding field, be specifically related to a kind of supersonic sounding reversing alarm set based on C8051F micro controller system.
Background technology
Current, after adopting ultrasonic ranging substantially, the reversing prompting field of vehicle embodies by forms such as certain sound, numeral demonstration or signal flickers, and numeral demonstration and the audible alarm with different distance belong to main way.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical matters to be solved is for providing a kind of supersonic sounding reversing alarm set based on C8051F micro controller system.
To achieve these goals, the present invention adopts following technical scheme:
A kind of supersonic sounding reversing alarm set based on C8051F micro controller system, comprise micro controller system, super sonic sending module, super sonic receiver module, video acquisition module, display module, sound circuit and warning circuit, the input end of described super sonic sending module, display module, sound circuit and warning circuit is connected with described micro controller system, the mouth of described super sonic receiver module, video acquisition module is connected with described micro controller system, and described micro controller system is C8051F micro controller system.
Further, the described supersonic sounding reversing alarm set based on C8051F micro controller system also comprises reversing brake switch, and the input end of described reversing brake switch is connected with described C8051F micro controller system.
Further, the described supersonic sounding reversing alarm set based on C8051F micro controller system also comprises the IR evading obstacle sensors being arranged on after car.
Further, described display module is LED display module.
Further, described ultrasound measurement module is HC-SR04 type ultrasonic distance measuring module.
The invention has the beneficial effects as follows: adopt C8051F micro controller system can improve system response time, further ensure chaufeur and passenger inside the vehicle's life security.Meanwhile, video acquisition module is by the image feedback after car in LED display, and sound circuit is play after car the distance with obstacle in real time, more directly reminds chaufeur.When the distance after car has surpassed safety value, described micro controller system will be closed reversing brake switch, and then stop vehicle reversing, further ensure chaufeur and passenger inside the vehicle's life security.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is elaborated:
Fig. 1 is electrical block diagram of the present invention.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
As shown in Figure 1, a kind of supersonic sounding reversing alarm set based on C8051F micro controller system, comprise micro controller system, super sonic sending module, super sonic receiver module, video acquisition module, display module, sound circuit and warning circuit, the input end of described super sonic sending module, display module, sound circuit and warning circuit is connected with described micro controller system, the mouth of described super sonic receiver module, video acquisition module is connected with described micro controller system, and described micro controller system is C8051F micro controller system.Described display module is LED display module.Described ultrasound measurement module is HC-SR04 type ultrasonic distance measuring module.
C8051F Single-chip Controlling super sonic sending module and super sonic receiver module sending and receiving echo, and according to the hypracoustic transmission time, calculate the distance of rear vehicle end and obstacle, and this distance is presented in LED display, video acquisition module also by the image feedback after car in LED display, LED display is contained in below the dead ahead front windshield of chaufeur, is beneficial to observation.Sound circuit is play the distance value of rear vehicle end and obstacle in real time, more directly reminds chaufeur.Simultaneously, the distance value that C8051F micro controller system obtains according to test produces respectively the impulse singla of the different frequency that represents distance to warning circuit, after warning circuit amplifies this impulse singla, respectively by buzzer phone and light emitting diode prompting backing distance, different distance section produces different buzzings and luminescence feature.In the time of within the scope of obstruction and vehicle distances to 1.2 meter, warning circuit is started working, and sends desultory chimes of doom, more and more nearer along with distance, the interval of chimes of doom is shorter, in the time that distance approaches safety distance, there is continuous sound in buzzer phone, can not move backward, in order to avoid collision to show again.
Further, the described supersonic sounding reversing alarm set based on C8051F micro controller system also comprises reversing brake switch, and the input end of described reversing brake switch is connected with described C8051F micro controller system.In the time that distance arrives safety distance, micro controller system is closed reversing brake switch, forces to stop chaufeur and continues reversing, further ensures chaufeur, passenger inside the vehicle and car pedestrian's etc. the security of the lives and property.
Further, described supersonic sounding reversing alarm set also comprises the IR evading obstacle sensors being arranged on after car.IR evading obstacle sensors has played the another kind of detection mode that approaches obstacle, once ultrasonic transceiver circuit lost efficacy, can combine to remind by IR evading obstacle sensors driver with camera, thereby prevents collision.
Above-described embodiment is just the content that allows one of ordinary skilled in the art can understand this law labyrinth and implements according to this for technical conceive of the present invention and feature being described, its objective is, can not limit the scope of the invention with this.Every equivalent variation or modification that according to the present invention, the essence of content has been done, all should be encompassed in protection scope of the present invention.
Claims (5)
1. supersonic sounding based on a C8051F micro controller system reversing alarm set, comprise micro controller system, super sonic sending module, super sonic receiver module, video acquisition module, display module, sound circuit and warning circuit, the input end of described super sonic sending module, display module, sound circuit and warning circuit is connected with described micro controller system, the mouth of described super sonic receiver module, video acquisition module is connected with described micro controller system, it is characterized in that: described micro controller system is C8051F micro controller system.
2. supersonic sounding reversing alarm set according to claim 1, is characterized in that: also comprise reversing brake switch, the input end of described reversing brake switch is connected with described C8051F micro controller system.
3. supersonic sounding reversing alarm set according to claim 1, is characterized in that: also comprise the IR evading obstacle sensors being arranged on after car.
4. according to the supersonic sounding reversing alarm set described in claims 1 to 3 any one, it is characterized in that: described display module is LED display module.
5. according to the supersonic sounding reversing alarm set described in claims 1 to 3 any one, it is characterized in that: described ultrasound measurement module is HC-SR04 type ultrasonic distance measuring module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310593585.8A CN103612595A (en) | 2013-11-22 | 2013-11-22 | C8051F single chip microcomputer based ultrasonic distance measuring backup reminder |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310593585.8A CN103612595A (en) | 2013-11-22 | 2013-11-22 | C8051F single chip microcomputer based ultrasonic distance measuring backup reminder |
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| CN103612595A true CN103612595A (en) | 2014-03-05 |
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| CN201310593585.8A Pending CN103612595A (en) | 2013-11-22 | 2013-11-22 | C8051F single chip microcomputer based ultrasonic distance measuring backup reminder |
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| CN105667394A (en) * | 2016-04-11 | 2016-06-15 | 厦门理工学院 | Ultrasonic automobile bumper and control method thereof |
| CN112085912A (en) * | 2020-09-20 | 2020-12-15 | 济宁山云宇内机电科技有限公司 | Human body distance monitoring prompter and working method |
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Application publication date: 20140305 |