CN209748703U

CN209748703U - 360 panorama image system of parking

Info

Publication number: CN209748703U
Application number: CN201920520529.4U
Authority: CN
Inventors: 李世达; 郑晓飞
Original assignee: Hangzhou Pu Di New Energy Technology Co Ltd
Current assignee: Hangzhou Pu Di New Energy Technology Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2019-12-06
Anticipated expiration: 2029-04-17

Abstract

the utility model discloses a 360 panorama image system of parking, including decoding control module, core video processing module, all around four ways camera, LVDS video channel selection circuit, 360 panorama video output circuit, CAN communication circuit, serial ports communication circuit and car CAN bus network. The decoding control module is connected with the core video processing module, the decoding control module and the core video processing module form a panoramic host of the parking image system, and the decoding control module is connected with the output end of the CAN communication circuit and used for receiving corresponding CAN data, performing logic processing and controlling the work of the circuit module connected with the decoding control module. The system is simple in structure, scientific and convenient, strong in pertinence, convenient to use, low in cost, simple to operate and easy to popularize. The utility model discloses a form of decoding control and video processing separation controls entire system's operation through decoding control module for control and video processing mutual noninterference each other decode, each takes its own duties.

Description

360 panorama image system of parking

Technical Field

The utility model belongs to the technical field of car ADAS and specifically relates to a 360 panorama image system of parking.

Background

With the continuous development of science and technology and economy, automobiles become the most common transportation tools, more and more people can choose to drive automobiles when going out, when a large number of automobiles run on roads, higher requirements are placed on driving safety, and how to observe the surrounding environment of the automobiles and assist drivers when parking the automobiles in crowded and narrow road sections can avoid the automobiles from deviating from normal driving lanes in the driving process, so that the main problem is that traffic accidents are avoided. According to investigation, about 50% of traffic accidents on roads in China every year are caused by the fact that an automobile deviates from a normal driving lane, meanwhile, the traffic accidents caused by the fact that a driver is not clear about 360-degree environment around the automobile body are not few, and research shows that the traffic accidents can be effectively prevented by giving an alarm during driving through sound, light and vision, so that the application of the 360-degree panoramic parking image system on the automobile can more effectively help the driver to know about 360-degree environment around the automobile body and whether the automobile deviates from the normal driving lane, and driving safety is effectively improved.

At present, a high-definition camera is used for acquiring images for the 360-degree panoramic image and lane departure early warning used on a Rongwei original vehicle, and only part of high-definition vehicle types are configured with related functions, so that the processing after the images are acquired by a standard-definition camera is not ideal, and the cost is high.

Most of the existing 360-degree panoramic images are matched with a driving recording function, and the lane departure early warning is relatively deficient in the aspect of high-speed driving, so that the driving safety cannot be improved better.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 360 panorama image systems of parking of car safe, convenient, humanized, intelligent to prior art not enough.

in order to solve the technical problems, the following technical scheme is adopted:

The 360-degree panoramic parking image system comprises a decoding control module, a core video processing module, four cameras, a front camera, a rear camera, a left camera, a right camera, an LVDS video channel selection circuit, a 360-degree panoramic video output circuit, a CAN communication circuit, a serial port communication circuit and an automobile CAN bus network. The decoding control module is connected with the core video processing module, the decoding control module and the core video processing module form a panoramic host of the parking image system, and the decoding control module is connected with the output end of the CAN communication circuit and used for receiving corresponding CAN data, performing logic processing and controlling the work of the circuit module connected with the decoding control module.

The input end of the core video processing module is connected with the output ends of the front, rear, left and right cameras for processing videos. The front cameras in the front, rear, left and right cameras are mounted on a front middle net of the vehicle, the rear cameras are mounted below a logo of a trunk and beside a license plate lamp, the left camera is mounted on a left rearview mirror shell, and the right camera is mounted on a right rearview mirror shell.

The 360-degree panoramic video output circuit is connected with the output end of the core video processing module and used for outputting the processed image data.

The LVDS video channel selection circuit is connected with the output end of the 360-degree panoramic video output circuit and is used for selecting a video output source.

The CAN communication circuit is connected with an automobile CAN bus network, is used for receiving CAN data on a CAN bus, is used for communication between the CAN bus and the CAN bus, and is also a control channel for controlling the core video processing module to output images by the decoding control module.

The serial port communication circuit is connected with the decoding control module and the core video processing module.

And the automobile steering wheel further comprises a key detection circuit, and the key detection circuit is connected with a user-defined function key on the automobile steering wheel and the decoding control module.

And the decoding control module is connected with the buzzer alarm circuit.

Further, the system state indicating circuit is connected with the decoding control module.

Further, the device also comprises an infrared receiving circuit, and the infrared receiving circuit is connected with the decoding control module.

the video decoder further comprises a power supply input circuit, and the output end of the power supply input circuit is connected with the core video processing module and the decoding control module. Meanwhile, the power input circuit also supplies power to the camera power circuit, the buzzer power circuit and the infrared power circuit.

Further, the panoramic host is connected with an LVDS interface and a 40PIN interface.

Due to the adoption of the technical scheme, the method has the following beneficial effects:

The utility model discloses a 360 panorama image system of parking, this system simple structure, scientific facility, with strong points, convenient to use, low cost, easy operation easily promotes. The method has the following technical advantages:

1. The utility model discloses a form of decoding control and video processing separation controls entire system's operation through decoding control module for control and video processing mutual noninterference each other decode, each takes its own duties.

2. The utility model discloses a LVDS video channel selection circuit through decoding different scene information of control module discernment, and then selects the former car LVDS of output or 360 panorama information, does not do any change to the original information of vehicle.

3. The utility model adopts the CAN communication circuit to receive the CAN bus data of the automobile and display the alarm information of the reversing radar in real time on the panoramic interface, so that the alarm of the reversing radar is more visual; when the backing data is received, the rear-view and panoramic aerial view are displayed through the central control display, and the backing track prediction line is displayed in the rear-view picture, so that the conditions around the automobile, particularly the conditions behind the automobile, can be clearly seen during backing, and no dead angle is left, so that backing is safer; when left/right steering data is received, the left/right view + panoramic aerial view is displayed through the central control display, the conditions around the automobile, particularly the conditions on the left/right side of the automobile, can be clearly seen during left/right steering, and dead angle positions are not left, so that steering is safer.

4. The utility model monitors the real-time speed information of the automobile through the CAN communication circuit, automatically starts the 360-degree panoramic function when the automobile runs at a low speed, and automatically closes the 360-degree panoramic function when the speed is higher than a certain speed threshold value; when the automobile runs at a high speed, the lane departure early warning function is automatically started, and when the speed is lower than a certain speed threshold value, the lane departure early warning function is automatically closed; the system performance is more scientific and humanized.

5. The utility model discloses a button detection circuitry presses opening and closing, switching different one way video display of control function through the self-defined button length on the vehicle steering wheel, has improved the degree of freedom that the system used, optimizes user experience, has promoted system operation mode's diversification.

6. the system is convenient and simple to install and has strong anti-interference capability.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

Fig. 1 is a schematic structural view of a 360-degree panoramic parking image system of the present invention;

Fig. 2 is a schematic diagram of a schematic structure of a 360-degree panoramic parking image system according to the present invention;

Fig. 3 is a schematic structural diagram of the host patch cord of the present invention;

Fig. 4 is a schematic structural diagram of a 40PIN interface in the present invention;

Fig. 5 is a schematic structural diagram of a screen patch cord of the present invention;

Fig. 6 is a schematic structural view of the upper cover of the panoramic main frame of the present invention;

Fig. 7 is a schematic structural view of the lower cover of the panoramic main frame of the present invention;

Fig. 8 is a flowchart illustrating the operation of the 360-degree panoramic parking image system of the present invention;

Fig. 9 is a schematic diagram of the ECU controller according to the present invention.

In the figure: 1-a panoramic host; a 2-LVDS interface; 3-40PIN interface; 4-USB interface; 5-an infrared receiving head; 6-four cameras in front, back, left and right directions; 7-loudspeaker.

Detailed Description

in order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

as shown in fig. 1 to 9, the 360-degree panoramic parking image system includes a decoding control module, a core video processing module, four cameras, a LVDS video channel selection circuit, a 360-degree panoramic video output circuit, a CAN communication circuit, a serial communication circuit and an automobile CAN bus network. The decoding control module is connected with the core video processing module, is connected with the output end of the CAN communication circuit and is used for receiving corresponding CAN data and carrying out logic processing and simultaneously controlling the work of the circuit module connected with the decoding control module.

the input end of the core video processing module is connected with the output ends of the front, rear, left and right cameras for processing videos.

The LVDS video channel selection circuit is connected with the output end of the 360-degree panoramic video output circuit and used for selecting a video output source.

Specifically, the decoding control module and the core video processing module form a panoramic host 1 of the parking image system, and the panoramic host 1 is connected with an LVDS interface 2 and a 40PIN interface 3. In addition, the system also comprises a USB interface 4, an infrared receiving head 4, four cameras 6, a loudspeaker 7, a host machine patch cord and a screen patch cord.

the panoramic host 1 is arranged in a center console of a vehicle, is connected to a screen patch cord through an LVDS interface 2 and is connected to a host patch cord through a 40PIN interface 3; the USB interface 4 is arranged on a host transfer line, and aims to facilitate subsequent upgrading and maintenance; the infrared receiving head 4 is connected with a host patch cord and is used for calibration when the system is used for the first time; the front cameras in the front, rear, left and right cameras 6 are arranged on a front middle net of the vehicle, the rear cameras are arranged beside license plate lamps under logos of the trunk, the left cameras are arranged on a left rearview mirror shell, the right cameras are arranged on a right rearview mirror shell, and the front, rear, left and right cameras 6 are connected to corresponding video lines of a host wiring through special extension wires; the loudspeaker 7 is connected with a corresponding interface on the host switching.

The panoramic host 1 is an ECU controller which is a black shell structure of 142.0, 105.0, 31.0 and is mainly used for decoding control and video processing of the whole system, the internal principle is shown in figure 9, the MCU extracts information such as automobile steering, speed, reversing, steering wheel turning, reversing radar alarm and the like from an automobile CAN bus, and logic analysis is carried out in the MCU; meanwhile, the MCIMX6DT3 performs image processing on the video signals of the four-path camera and converts the video signals into LVDS format for output; the two are communicated through a serial port circuit; when a corresponding video picture or alarm information needs to be output, the MCU sends a corresponding request to the MCIMX6DT3 on one hand, and controls to switch an output source on the other hand, and finally outputs a panoramic image and the alarm information to assist a driver to know the environment of 360 degrees around the vehicle body and remind the driver of the deviation of the vehicle from a normal driving lane.

Claims

The system is characterized by comprising a decoding control module, a core video processing module, four cameras, a LVDS video channel selection circuit, a 360 panoramic video output circuit, a CAN communication circuit, a serial port communication circuit and an automobile CAN bus network; the system comprises a decoding control module, a CAN communication circuit, a serial port communication circuit, a CAN bus network and a CAN communication circuit, wherein the decoding control module is connected with a core video processing module, the decoding control module and the core video processing module form a panoramic host of a parking image system, the decoding control module is connected with the output end of the CAN communication circuit, the input end of the core video processing module is connected with the output ends of four cameras, the output end of the 360 panoramic video processing module is connected with the output end of the 360 panoramic video output circuit, the LVDS video channel selection circuit is connected with the output end of the 360 panoramic video output circuit, the CAN communication circuit is connected.
2. The 360 panoramic parking image system of claim 1 wherein: the automobile steering wheel self-definition function key decoding device is characterized by further comprising a key detection circuit, wherein the key detection circuit is connected with a self-definition function key on the automobile steering wheel and the decoding control module.
3. The 360 panoramic parking image system of claim 1 wherein: the decoding control module is connected with the control module, and the decoding control module is connected with the control module.
4. The 360 panoramic parking image system of claim 1 wherein: the system state indicating circuit is connected with the decoding control module.
5. the 360 panoramic parking image system of claim 1 wherein: the decoding control module is connected with the receiver and the receiver, and the decoding control module is connected with the receiver.
6. The 360 panoramic parking image system of claim 1 wherein: the video decoding device further comprises a power input circuit, and the output end of the power input circuit is connected with the core video processing module and the decoding control module.
7. the 360 panoramic parking image system of claim 1 wherein: the panoramic host is connected with an LVDS interface and a 40PIN interface.