CN111824038A - A vehicle rear vision system - Google Patents

Abstract

The invention discloses a vehicle rear view vision system, comprising a casing and a metal hose. An installation cavity is opened inside the casing, and a battery is installed in the installation cavity. At the same time, the battery is electrically connected with a single-chip microcomputer. The screw is fixed inside the installation cavity, and the single-chip microcomputer is welded on the PCB board, and the memory is welded on the left side of the single-chip microcomputer. On the right side of the status indicator light, the operation button is electrically connected with the single-chip microcomputer, and the right side of the operation button is the power switch, and the power switch is electrically connected with the single-chip microcomputer. The in-vehicle rear-view vision system has a single-chip microcomputer that receives video data and displays images in real time on the display screen to realize the streaming media rear-view function, thereby providing drivers with a safe rear view of the car. It has the characteristics of convenient use and intelligent safety.

Description

A vehicle rear vision system

technical field

The invention relates to the technical field of automobile safety equipment, in particular to a vehicle rear view vision system.

Background technique

When we check the rearview mirror in the car, sometimes the rear passengers, rear seat headrests, rear bumper stickers or the horizontal rear wing of the sports car will block part of the rearward view and affect the driver's view. Scenery in the rear view of the car; in traditional car design, priority is generally given to ensuring that the driver can see the front view through the glass, while taking into account factors such as the beautiful proportion of cockpit components, when the car is driving on a road without street lights at night, there are no vehicles or other behind When the light source is used, the rear view of the car cannot be viewed through the rearview mirror; when there is a vehicle behind, the strong light of the rear headlight will also affect the driver's judgment on the direction, distance and shape of the vehicle or other objects in the rear view. .

SUMMARY OF THE INVENTION

The technical problem solved by the present invention is to overcome the defects of the prior art vehicle, such as the inability to view the rear view of the vehicle through the rear-view mirror when there is no vehicle or other light source behind when the vehicle is running on a road without street lights at night, and provides a vehicle-mounted rear-view vision system. . The single-chip microcomputer, the camera and the display screen have the advantages that after the single-chip microcomputer receives the video data, the image is displayed on the display screen in real time, and the streaming media rear view function is realized, so as to provide the driver with a safe view behind the car, and has the characteristics of convenient use and intelligent safety.

In order to achieve the above purpose, the present invention provides the following technical solutions: a vehicle rear view vision system, comprising a casing and a metal hose, an installation cavity is opened inside the casing, and a battery is installed in the installation cavity, and the battery and the single-chip microcomputer are installed simultaneously. Electrical connection, the PCB board is fixed inside the installation cavity by mounting screws, and the single-chip microcomputer is welded on the PCB board, and the memory is welded on the left side of the single-chip microcomputer. It is electrically connected, and the operation button is arranged on the right side of the status indicator. The operation button is electrically connected to the single-chip microcomputer, and the right side of the operation button is the power switch. At the same time, the power switch is electrically connected to the single-chip microcomputer. The alarm is fixed to the housing by bolts. The display screen is electrically connected with the single-chip microcomputer, and the upper side of the casing is provided with cooling holes; the lower end of the metal hose is welded with the casing, and the upper end of the metal hose is welded with the first mounting plate, The transmission line is welded on the PCB board, a distance sensor is installed on the lower side of the camera, and a lighting lamp is installed inside the camera. At the same time, the upper end of the camera is hinged with the hinge block through fixing bolts, and the upper end of the hinge block is welded with the second mounting plate, and the first The second mounting plate is provided with mounting holes, and the first mounting plate is provided with mounting holes.

Preferably, the casing is installed on the upper side of the front windshield of the automobile through the first mounting plate, and the casing is a trapezoidal structure made of PTFE material. Display images and realize streaming media rear view function, thus providing drivers with a safe view behind the car, with the characteristics of ease of use and intelligent safety.

Preferably, the storage is electrically connected to the single-chip microcomputer, and the model of the storage is W25Q128, and the model of the single-chip microcomputer is AT89S51 series single-chip microcomputer.

Preferably, the alarm device is electrically connected to the single-chip microcomputer, and the model of the alarm device is HRB-P80.

Preferably, the single-chip microcomputer is electrically connected to the camera through a transmission line, and the storage battery is a lithium battery.

Preferably, the camera is fixed on the upper side of the rear license plate of the car through a second mounting plate, and the second mounting plate is a butterfly-shaped structure made of 304 stainless steel, and the camera projects the rear image of the car on the display screen. Format playback, recording and playback, in the way of screen mirror, so that people can clearly monitor the situation behind the car, it has a wider field of vision than the traditional physical rearview mirror, so as to better solve the problem of blind spots in the rear view of driving .

Preferably, the distance sensor is electrically connected to the camera, and the model of the distance sensor is GP2Y0AF15. The distance sensor detects the distance between the two vehicles and transmits it to the single-chip microcomputer by means of electrical signals. When the preset distance signal is reached, the single-chip microcomputer will turn on the alarm to remind the driver to pay attention to prevent vehicle collision.

To sum up, the beneficial effects of the present invention are:

(1) The camera is fixed to the rear of the car through the second mounting plate, and the shooting angle of the camera is fine-tuned through the fixing bolts and the hinge block;

(2) The camera projects the rear image of the car on the display screen, and plays it in digital format, recording and broadcasting while recording, and using the screen to replace the mirror, so that people can clearly monitor the situation behind the car, which is better than the traditional physical rear view. The mirror field of view is wider, so as to better solve the problem of the blind spot of the rear view;

(3) The display angle of the display screen can be adjusted through the metal hose, which is convenient for the driver to observe.

Description of drawings

1 is a schematic front view of the structure of the present invention;

Fig. 2 is the structural appearance schematic diagram of the present invention;

3 is a top view of the structure of the present invention;

FIG. 4 is a schematic diagram of the structure camera of the present invention;

Fig. 5 is the top view of the structure camera of the present invention;

FIG. 6 is a side view of the structure camera of the present invention;

FIG. 7 is a schematic diagram of the installation position of a camera with the structure of the present invention;

FIG. 8 is a schematic diagram of the structure and work flow of the present invention.

Labels in the figure: 1, housing, 2, installation cavity, 3, battery, 4, status indicator, 5, operation button, 6, storage, 7, power switch, 8, single chip, 9, PCB board, 10, Mounting screw, 11, Alarm, 12, First mounting plate, 13, Metal hose, 14, Transmission line, 15, Distance sensor, 16, Light, 17, Camera, 18, Second mounting plate, 19, Hinged block , 20, fixing bolts, 21, mounting holes, 22, display screen, 23, cooling holes.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

1-8, the present invention provides a technical solution: a vehicle-mounted rear-view vision system, comprising a housing 1 and a metal hose 13, a mounting cavity 2 is opened inside the housing 1, and the interior of the mounting cavity 2 is installed with The battery 3 is electrically connected to the single-chip microcomputer 8 at the same time. The casing 1 is installed on the upper side of the front windshield of the automobile through the first mounting plate 12, and the casing 1 is a trapezoidal structure made of PTFE material. The PCB The board 9 is fixed inside the installation cavity 2 by the mounting screws 10, and the single-chip microcomputer 8 is welded on the PCB board 9. At the same time, the memory 6 is welded on the left side of the single-chip microcomputer 8. The single-chip computer 8 is electrically connected to the camera 17 through the transmission line 14, and the battery 3 It is a lithium battery, the camera 17 is fixed on the upper side of the rear license plate of the car through the second mounting plate 18, and the second mounting plate 18 is a butterfly-shaped structure made of 304 stainless steel material, the storage 6 is electrically connected with the single-chip microcomputer 8, and The model of the memory 6 is W25Q128, and the model of the single-chip microcomputer 8 is AT89S51 series single-chip microcomputer. The status indicator light 4 is installed on the lower side of the housing 1, and the status indicator light 4 is electrically connected with the single-chip microcomputer 8. At the same time, the operation button 5 is set in the state On the right side of the indicator light 4, the operation button 5 is electrically connected with the single-chip microcomputer 8, and the right side of the operation button 5 is the power switch 7. At the same time, the power switch 7 is electrically connected with the single-chip microcomputer 8, and the alarm 11 is fixed on the casing 1 by bolts. Internal two sides; the alarm 11 is electrically connected with the single-chip 8, and the model of the alarm 11 is HRB-P80, the display screen 22 is electrically connected with the single-chip 8, and the upper side of the housing 1 is provided with a cooling hole 23; a metal hose The lower end of 13 is welded with the housing 1, the upper end of the metal hose 13 is welded with the first mounting plate 12, the transmission line 14 is welded on the PCB board 9, the distance sensor 15 is installed on the lower side of the camera 17, and the camera 17 is installed inside There is a lighting lamp 16, and the upper end of the camera 17 is hinged with the hinge block 19 through the fixing bolt 20. The distance sensor 15 is electrically connected to the camera 17, and the model of the distance sensor 15 is GP2Y0AF15. The upper end of the hinge block 19 is connected to the second mounting plate 18. are welded together, and the second mounting plate 18 is provided with a mounting hole 21, while the first mounting plate 12 is provided with a mounting hole 21;

As shown in Figure 1-8, the high-definition wide-angle camera 17 at the rear of the vehicle captures the rear image and video, and transmits the video stream in the streaming media format. After receiving the video data, the single-chip microcomputer 8 displays the image on the display screen 22 in real time to realize streaming. The media rear view function provides the driver with a safe rear view of the car, which has the characteristics of convenient use and intelligent safety;

As shown in Figure 1-8, the camera 17 projects the rear image of the car on the display screen, and plays it in digital format, recording and broadcasting while recording, and using the screen to replace the mirror, so that people can clearly monitor the situation behind the car. It has a wider field of view than the traditional physical rearview mirror, so it can better solve the problem of blind spots in the rear view of driving. 100% high-fidelity restore image details, it can bring almost no delay in the rear view, to ensure the safety of the owner's driving.

Working principle: When using the vehicle rear view vision system, the camera 17 is fixed to the rear of the car through the second mounting plate 18, and the shooting angle of the camera 17 is fine-tuned through the fixing bolts 20 and the hinge block 19. When the car is driving at night , the lighting lamp 16 is turned on, which is convenient for the shooting work of the camera 17. The camera 17 transmits the captured video information to the single-chip microcomputer 8 through the transmission line 14, and the single-chip computer 8 displays the video information through the display screen 22. The vehicle information is convenient for the driver to drive safely and improve the safety factor of the driver during the driving process. The display angle of the display screen 22 can be adjusted through the metal hose 13, which is convenient for the driver to observe. The cooling hole 23 is convenient for the housing 1 Internal heat dissipation work is carried out to improve the working efficiency and service life of the device. When the vehicle is reversing, the rear information displayed on the display screen 22 is convenient for the vehicle to perform reversing operations. At the same time, when an outside vehicle approaches the rear of the vehicle, the distance The sensor 15 detects the distance between the two vehicles and transmits it to the single-chip microcomputer 8 by means of an electrical signal. When the vehicle-distance signal is smaller than the vehicle distance signal preset on the single-chip microcomputer 8, the single-chip microcomputer 8 turns on the alarm 11 to remind the driver. The operator pays attention to prevent vehicle collision, which is the whole process of the vehicle rear vision system.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. A vehicle rear view vision system, comprising a casing (1) and a metal hose (13), characterized in that: an installation cavity (2) is opened inside the casing (1), and the installation cavity (2) A battery (3) is installed inside, and at the same time, the battery (3) is electrically connected with the single-chip microcomputer (8). On the PCB board (9), a memory (6) is welded on the left side of the microcontroller (8), the status indicator (4) is installed on the lower side of the housing (1), and the status indicator (4) is connected to the microcontroller (8). ) is electrically connected, and the operation button (5) is arranged on the right side of the status indicator (4), the operation button (5) is electrically connected with the microcontroller (8), and the right side of the operation button (5) is the power switch (7). ), at the same time the power switch (7) is electrically connected with the single-chip (8), the alarm (11) is fixed on both sides of the inner casing (1) by bolts; the display screen (22) is electrically connected with the single-chip (8), The upper side of the casing (1) is provided with cooling holes (23); the lower end of the metal hose (13) is welded with the casing (1), and the upper end of the metal hose (13) is connected to the first mounting plate (12) ) are welded together, the transmission line (14) is welded on the PCB board (9), a distance sensor (15) is installed on the underside of the camera (17), and a light (16) is installed inside the camera (17), while the camera (17) ) The upper end is hinged together with the hinge block (19) through the fixing bolt (20), the upper end of the hinge block (19) is welded with the second mounting plate (18), and the second mounting plate (18) is provided with mounting holes ( 21), and at the same time the first mounting plate (12) is provided with a mounting hole (21). 2 . The vehicle-mounted rear-view vision system according to claim 1 , wherein the housing ( 1 ) is mounted on the upper side of the front windshield of the automobile through the first mounting plate ( 12 ), and the housing (1) It is a trapezoidal structure made of PTFE material. 3. A vehicle-mounted rear-view vision system according to claim 1, characterized in that: the storage (6) is electrically connected with the single-chip microcomputer (8), and the model of the storage (6) is W25Q128, and the single-chip microcomputer is simultaneously (8) The model is AT89S51 series microcontroller. 4 . The vehicle-mounted rear-view vision system according to claim 1 , wherein the alarm device ( 11 ) is electrically connected to the single-chip microcomputer ( 8 ), and the model of the alarm device ( 11 ) is HRB-P80. 5 . 5 . The vehicle-mounted rear-view vision system according to claim 1 , wherein the single-chip microcomputer ( 8 ) is electrically connected to the camera ( 17 ) through a transmission line ( 14 ), and the storage battery ( 3 ) is a lithium battery. 6 . 6 . The vehicle-mounted rear-view vision system according to claim 1 , wherein the camera ( 17 ) is fixed on the upper side of the rear license plate of the automobile through a second mounting plate ( 18 ), and the second mounting plate ( 18) It is a butterfly structure made of 304 stainless steel. 7 . The vehicle-mounted rear-view vision system according to claim 1 , wherein the distance sensor ( 15 ) is electrically connected to the camera ( 17 ), and the model of the distance sensor ( 15 ) is GP2Y0AF15. 8 .

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