JP3207259U - Car monitoring system - Google Patents

Abstract

An automobile monitor system capable of real-time monitoring in all directions for guaranteeing driving safety of an automobile. An automobile monitor system includes an external photographing device, a processing device, an activation device, and a display device. The external photographing device photographs the entire view of the surroundings outside the automobile. The processing device is electrically connected to the external photographing device, and controls the screen photographing of the external photographing device. The activation device is connected to the processing device and activates the start of operation of the processing device. The display device displays a screen. The vehicle monitoring system can monitor the entire view of the outside of the vehicle in real time, and can present various safety early warnings to the driver, contributing to safe driving such as early warning of obstacles. [Selection] Figure 2

Description

  This utility model relates to the field of external devices for automobiles, and more particularly to an automobile monitor system.

  With the development of economic technology and the improvement of people's material life, the possession of automobiles has greatly increased, resulting in road congestion and traffic accidents, which has already become a serious problem in the world. Many countries and related departments have established a number of related policies, travel restrictions, number restrictions, etc., to ensure smooth transportation and traffic safety and reduce accidents. However, the problem has not been fundamentally solved by the increase in vehicles.

  Inexperienced drivers are increasing day by day. Therefore, people are not only demanding high comfort for the vehicle, but also have a higher demand for the voluntary safety of the vehicle. With the progress of electronic technology, screen identification and processing technology has improved and developed as never before.

  The camera system of the in-vehicle terminal is also an important identifier for automobile safety, and there is an urgent need to guarantee driving safety by performing real-time monitoring on the automobile in all directions.

  The purpose of this utility model is to provide a vehicle monitoring system that performs real-time monitoring in all directions for a vehicle. In order to solve the above technical problem, the utility model provides an automobile monitor system.

  The automobile monitor system includes an external photographing device, a processing device, an activation device, and a display device. The external photographing device is used to take a full view of the outside of the automobile. The processing device is electrically connected to the external photographing device, and the external photographing device is used for controlling screen photographing. The activation device is connected to the processing device, and the activation device is used to activate the operation start of the processing device. The display device is connected to a processing device and is used by the processing device to display a processing screen.

  Here, the automobile monitor system further includes a built-in photographing device for processing a screen returned after photographing by the external photographing device, and the built-in photographing device is for photographing a screen inside the interior of the automobile. Used for.

  The processing device includes an MCU electrically connected to the activation device and a graphic display controller electrically connected to the MCU, and the MCU generates a control command and transmits the control command to the graphic display controller. And the graphic display controller is used to activate the external photographing device and the built-in photographing device based on the control command to perform photographing, and the external photographing device and the built-in photographing device photographed. The screen returned later is processed, and the processed screen is transmitted to the display device.

  Here, the screen is a dynamic video screen.

  Here, the activation device includes a manual switch or an inductive switch. Here, the manual switch includes a touch switch or a button switch, and the inductive switch includes an infrared sensor.

  Here, the external photographing device includes four moving image photographing units installed on the left, right, front, and rear sides of the automobile, respectively. Here, the external photographing device, the processing device, the activation device, and the display device are connected via a CAN bus.

  Here, the external photographing device returns the photographing screen to the graphic display controller via the A / V line, and the screen processed by the graphic display controller is transmitted to the display device via the A / V line. To do.

  Here, the automobile monitor system further includes a memory and is used for storing a screen after being processed by the graphic display controller.

  Here, a distance sensor is installed in each moving image shooting unit, and is used for detecting the distance between the external object and the corresponding moving image shooting unit.

  The vehicle monitoring system of this utility model includes an external imaging device that is used to shoot the panoramic view of the outside of the car, and can monitor the panoramic view of the outside of the car in real time, thereby enabling various safety early warnings. Can be presented to the driver, providing security for safe driving, such as early warning of obstacles.

  In order to explain the technical solutions of the utility model more clearly, the accompanying drawings required for implementation will be described below. The attached drawings are only a part of the embodiments of the utility model, and it is possible for a person skilled in the art to obtain other embodiments based on these attached drawings without making a creative effort.

1 is a schematic view of an automobile monitor system provided by an embodiment of the utility model. FIG. It is a functional module schematic diagram of the automobile monitor system in FIG.

  Hereinafter, the accompanying drawings in the embodiment of the utility model will be linked, and the technical solution means in the embodiment of the utility model will be described.

  As shown in FIGS. 1 and 2, the utility model embodiment provides an automobile monitoring system 100. The automobile monitor system 100 includes an external photographing device 10, a processing device 20, an activation device 30 and a display device 40. The external photographing device 10 is installed on the outside of the automobile 50 and is used for taking a full view of the outer periphery of the automobile 50.

  The processing device 20 is electrically connected to the external photographing device 10 and is used for controlling screen photographing of the external photographing device 10. The activation device 30 is connected to the processing device 20, and the activation device 30 is used for activation of operation start of the processing device 20. The display device 40 is used to display a screen processed by the processing device 20.

  In the present embodiment, the external photographing apparatus 10 includes four moving image photographing units 101, 102, 103, and 104 installed on the left, right, front, and rear sides of the automobile 50, respectively. This is used for photographing the screen on the rear side, thereby realizing screen photographing in each direction around the automobile 50. In general, the moving image shooting units 101, 102, 103, and 104 are monitor cameras, and the shooting screen may be a dynamic video or a static screen, which is determined by specific circumstances. . In addition to the video shooting function, it also has a recording function, that is, a recording unit may be installed in each of the video shooting units 101, 102, 103, and 104, thereby realizing simultaneous acquisition of audio and video. Of course, the external photographing device 10 may be a panoramic view camera, and the panoramic view camera is a camera that can realize independent and wide range no blind spot monitoring, and is installed outside the ceiling of the automobile 50.

  The vehicle monitoring system 100 may include a built-in photographing device 60, and performs real-time monitoring on the interior of the vehicle 50 to detect an abnormal situation of a person in the vehicle or the vehicle in a timely manner. In this embodiment, the built-in photographing device 60 includes two moving image photographing units 601 and 602, which are installed on the front side and the rear side of the passenger compartment, respectively. In another embodiment, the built-in photographing device 60 may be a panoramic camera installed inside the ceiling of the automobile.

  The processing device 20 includes an MCU 21 and a graphic display controller (GDC) 22 electrically connected to the MCU 21, and the graphic display controller 22 is connected to the external photographing device 10 and the built-in photographing device 60. The MCU 21 is used to generate a control command and transmit it to the graphic display controller 22. The graphic display controller 22 activates the external photographing apparatus 10 and the built-in photographing apparatus 60 based on the control command to perform photographing, and This is used to process the screens returned after the supplementary photographing device 10 and the built-in photographing device 60 photograph, and to transmit the processed screens to the display device 40.

  In general, the processing steps performed by the graphic display controller 22 include screen composition processing and graphic acceleration processing. The screen composition processing synthesizes the screens of the external photographing device 10 or the built-in photographing device 60 and generates a panoramic view of the outside of the vehicle or the interior of the vehicle. In the present embodiment, a description will be given by taking, as an example, screens shot by the four moving image shooting units 101, 102, 103, and 104 of the composite external shooting apparatus 10.

First, the screen information captured by the four moving image capturing units 101, 102, 103, and 104 is switched to an editable software code using a software tool. Subsequently, only one set of software code in the stack is reserved, that is, only one set of stack graphics on the screen that was taken is reserved and the other sets are deleted. The non-stacked parts are integrated together with the reserved stack parts and further coded into binary code. After acceleration processing is performed in the graphic display controller 22, screen information is generated after A / V switching has elapsed. Finally, the screen information is transmitted to the display device 40 for display.

  Naturally, when it is necessary for the driver to observe a screen in a certain direction, the graphic display controller 22 performs graphic acceleration and A / V switching operations only on the screen taken by one or a plurality of video shooting units. The display device 40 can display each screen in each direction outside the vehicle, and the display device 40 can clearly display the purpose for one or a plurality of directions. Useful for observation. The graphic display controller 22 is similar in the method of synthesizing the screen imaged by the built-in imaging device 60, and will not be described.

  The activation device 30 is used to activate and operate the entire vehicle monitoring system 100 by an external trigger. The activation device 30 may include a manual switch or an inductive switch, which is typically installed in the interior of the vehicle 50. The manual switch may be a touch switch, such as a capacitor-type touch panel, or a button switch, and is generally installed at a location close to a control surface plate of an automobile that is easy for the driver to operate. The inductive switch may include an infrared sensor, which may be installed at a ceiling position adjacent to the driver's seat of the car or at a position adjacent to the control surface board, the inductive switch senses the driver's presence and the car. The monitor system 100 is activated, and therefore the automobile monitor system 100 can be automatically activated.

  After the activation device 30 is triggered, the MCU 21 issues a screen shooting control command to the graphic display controller 22 to start up, and the graphic display controller 22 activates the built-in photographing device 10 and / or the built-in photographing device 60 based on the control command. To control shooting. The display device 40 is generally installed at a position close to the front windshield glass that can be easily observed by the driver. The display device 40 may be an LCD, an OLED monitor, or the like. Used for single or multi-directional screen display, which makes it easier for the driver to observe real-time situations inside and outside the car interior.

  The vehicle monitor system 100 further includes a memory 70 connected to the screen display controller 22 and the display device 40, and is used to store real-time screen information after being processed by the screen display controller 22. This makes it easy to recall and retrieve subsequent documents. In addition, the automobile monitor system 100 may include distance sensors (not shown) installed on the left, right, front, and rear sides of the automobile, respectively, and is used for detecting the distance between the external object and the automobile 50. It is done. The distance sensor may be an infrared distance sensor or an ultrasonic distance sensor.

  Preferably, the distance sensor is installed in each of the moving image shooting units 101, 102, 103, and 104, and is associated with each of the moving image shooting units 101, 102, 103, and 104, and the distance between the external object and the automobile is below a certain critical value. In such a case, alarm information is issued to the driver by an alarm device. For example, the buzzer sounds according to the schedule rule or the LED of the schedule color blinks according to the schedule rule, and information is transmitted, or early warning is given by the blinking of the screen taken by the corresponding moving image shooting unit displayed on the display device 40. These can be realized by developing software applications.

  The external photographing device 10, the built-in photographing device 60, the processing device 20, the activation device 30, and the display device 40 are connected via a CAN bus. The external photographing device 10 and the built-in photographing device 60 can return the photographing screen to the graphic display controller 22 via the A / V line, and the screen processed by the graphic display controller 22 is the A / V line. It can be transmitted to the display device 40 through the network.

The principle of monitoring the real-time state using the automobile monitor system 100 is as follows.
(1) The activation device 30 activates the automobile monitor system 100 to start operation, that is, the activation device 30 transmits an activation signal to the MCU 21.
(2) An MCU 21 control command is generated and transmitted to the graphic display controller 22, and the graphic display controller 22 controls the external photographing device 10 and / or the built-in photographing device 60 based on the control command to perform screen photographing.
(3) The external photographing device 10 and / or the built-in photographing device 60 returns the screen to the graphic display controller 22, and the graphic display controller 22 performs screen composition processing and graphic acceleration processing on the screen, or graphic acceleration. After performing only the processing, it is transmitted to the display device 40 and displayed.
(4) The display device 40 displays the processed screen, which has been transmitted by the display controller 22, and the memory 70 stores the screen in real time and prepares it for document retrieval.

  However, since the external real scene may change constantly, the picture taken by the photographing apparatus is constantly updated, so that the above four steps are continuously repeated, that is, an outdoor landscape that continues to change can be obtained in real time. If the memory space of the memory 70 is already full, it can be guaranteed by storing it in real time at the time of photographing by a method of automatically deleting overflow, that is, early screen information.

  In addition, since the capture screen of the photographing device may not be clear when the automobile is traveling at a high speed, in that case, a very high speed is required for processing of the screen display controller 22. The processing method of the present embodiment holds the previous frame screen and changes only the changed portion compared to the screen that has been collected instantaneously. By not performing any processing on the stacked portion, a real-time instantaneous screen can be obtained quickly.

The vehicle monitor system 100 of the utility model can realize the following functions.
A Image of obstacles in front and rear, and early warning of obstacles and presentation of distance when the vehicle is running or stationary. B High-speed driving safety early warning, the user can voluntarily set accelerator release or automatic braking when necessary.
C Early warning of forward lane shifts.
D Assistance for road changes and early warning of side collisions.
E Vehicle distance detection and early warning of collision.
F Auxiliary detection system for dead closed area.
G Full view parking.
H Early warning of dynamic auxiliary lines and rear-end collisions in backsight.
I Warning of moving obstacles in the blind closed area before and after driving.

The vehicle monitor system 100 of the implementation method of the utility model has the following beneficial effects.
1 360-degree blind spot shooting with the external shooting device 10 and the screen display controller 22 combined to provide a panoramic view of the vehicle status screen, providing convenience for driver observation and judgment, and real-time By recording the screen information, it can be used as powerful evidence for related emergency cases or other traffic incidents.
2 You can choose to play at any angle, or you can choose to play the whole process.
3. When a collision or approaching the object is reached and a dangerous distance is reached, an appropriate voice or flashing warning can be selected and presented to the driver for emergency processing.

  The above is a preferred embodiment of the utility model, and a number of improvements and modifications can be made by a person skilled in the art without departing from the principle of the utility model. These improvements and modifications are also considered as the scope of protection of this utility model.

Claims (10)

An external imaging device used for panoramic photography of the outside periphery of the car;
A processing device that is used to control screen shooting of the external imaging device and is electrically connected to the external imaging device;
An activation device used to activate operation of the processing device and connected to the processing device;
A display device used for display of a processing screen by the processing device and connected to the processing device;
Automobile monitor system including   The automobile monitor according to claim 1, further comprising a built-in photographing device electrically connected to the processing device, wherein the built-in photographing device is used for photographing a screen inside a vehicle interior of the automobile. system. The processing device includes an MCU electrically connected to the activation device, and a graphic display controller electrically connected to the MCU.
The MCU is used to generate control commands and send them to the graphic display controller;
The graphic display controller shoots by activating the external photographing device and the internal photographing device based on the control command,
Process the screen returned after shooting for the external shooting device and the built-in shooting device,
The vehicle monitor system according to claim 2, wherein the vehicle monitor system is used to transmit a processed screen to the display device. The external imaging device returns a screen shot via the A / V line to the graphic display controller,
The automobile monitor system according to claim 3, wherein the screen processed by the graphic display controller is transmitted to the display device via an A / V line.   The automobile monitor system according to claim 3, further comprising a memory used for storing a screen after being processed by the graphic display controller.   The vehicle monitoring system according to claim 1, wherein the activation device includes a manual switch or an inductive switch.   The automobile monitor system according to claim 6, wherein the manual switch includes a touch switch or a button switch, and the inductive switch includes an infrared sensor.   The automobile monitor system according to claim 1, wherein the external photographing device includes four moving image photographing units installed on the left, right, front, and rear sides of the automobile, respectively.   9. The automobile monitor system according to claim 8, wherein a distance sensor is installed in each moving picture photographing unit and is used for sensing a distance between an external object and a corresponding moving picture photographing unit.   The automobile monitor system according to claim 1, wherein the external photographing device, the processing device, the activation device, and the display device are connected via a CAN bus.

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