CN1354108A

CN1354108A - Black box system for automobile

Info

Publication number: CN1354108A
Application number: CN 01133786
Authority: CN
Inventors: 唐成毅; 郑津生
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-12-30
Filing date: 2001-12-30
Publication date: 2002-06-19

Abstract

The present invention discloses a black box system for automobile. Said system includes camera head and monitor. The camera head can be positioned on rear-view mirror or other several positions which are convenient for collecting condition outside of automobile. The monitor can be installed on the position nearby internal dashboard, and connected with an embedded microcomputer system containing main board, CPU unit and hardware storage disk. Said camera head is connected with the microcomputer by means of signal line and image input interface. Said black box system not only can reflect the condition around the automobile, special back image, and can be convenient for driver to monitor road condition, but also can record the data of the above-mentioned conditions for making analysis if the traffic accident is taken place.

Description

Black box system for automobile

Technical field:

The present invention relates to a kind ofly be applicable to that helping of automobile look, help and drive ancillary system, especially a kind of utilize camera and with the monitor record system of its outfit, the black box system for automobile that the image in each orientation in reversing automobile, the driving is monitored and writes down.

Background technology:

As everyone knows, when driving a car, for the outer environment of vehicle body, the visual field of navigating mate normal vision in the about 120 degree scopes in front and side is directly the visual observations, then must observe by back mirror for exceeding the outer scene of 120 degree car in addition, this traditional left and right sides back mirror exists dead angle and the blind spot on many visuals field, and the situation object of reference that driver drives vehicle, reversing, parking are provided is not high apart from particularity, accident-proneness is especially bigger for personnel's difficulty of begining to learn driving.In addition, long-term what adopt is on-the-spot evidence obtaining handling aspects such as driving is violating the regulations, train operation accident, old way such as investigates, loaded down with trivial details, complicated, work capacity is big again, can not accomplish accurately completely, and the artificial inequity of appearance causes work mistake easily again.At present automobile does not have also can be used to monitor around the automobile that scene does not produce the autoguide that can write down monitoring data again in blind angle and helps and drive device.

Summary of the invention:

The invention provides a kind of especially image at rear that can reflect around the automobile, be used for chaufeur and monitor road surface and ambient environment, the black box system for automobile that the data of absorbing can be write down and are used for investigating and collecting evidence again after accident.

Technical scheme of the present invention is:

The present invention includes camera, monitoring device, it is characterized in that: camera is positioned on the automobile rearview mirror or the influential position, many places of the outer situation of car is convenient to gather in its corresponding position or be installed in, monitoring device is positioned on the remarkable position that the car chaufeur is easy to watch, and connect with an embedded pc system that comprises mainboard, CPU processing unit, hard memory disc, camera connects with microcomputer through signal wire (SW), image input interface.

The image pick-up card that the picture signal process of camera collection of the present invention and image input interface bonded assembly are positioned on the mainboard is sent to the transmission of monitoring device realization image, and by hard memory disc stored record, also can be by input external device of the output interface on the mainboard and storage.

Microcomputer system of the present invention also is provided with the speed, temperature, vibration, the pressure sensor that are used for by being positioned at vehicle body and gathers the automobile operating state data, and be transferred to the multi-channel signal acquiring card that CPU element is handled storage.

Image pick-up card of the present invention receives the image video signal of camera collection through signal wire (SW), by the image processing software resume module, and shows one or more groups image on the read-out of monitoring device.

The present invention also comprises the sub-device of supervision in the car, and this device comprises the camera that is positioned at car the place ahead and rear, and camera is connected with mainboard through signal wire (SW), also is connected with sound collector on the mainboard.

Camera of the present invention can adopt the infrared night vision camera, also can install rotating mechanism additional at the base of camera.

Telltale of the present invention is provided with the control panel of realizing that operation and control show.

Result of use of the present invention and advantage and economic and social benefits

One, adopt the beneficial effect of this cover system and advantage to mainly contain following three aspects:

1, changes and traditional when driving, need see that left and right sides back mirror could understand the driver behavior of the ambient conditions of driving a vehicle with two surplus light, change reversing, when stopping need with very big strength with head turn to the left side, the right side, back just can fall, stop referring to situation and, very inaccurate stupid way;

2, chaufeur situation about showing with reference to screen can be very easily, accurately drive a vehicle safely, move backward, stop;

3, handle that driving is violating the regulations, during train operation accident, the driving recording data can provide true accurately and reliably foundation, can alleviate public security, traffic police's work capacity greatly, the more important thing is unfairness artificial when can significantly reduce the driving unprofessional accident handles.

Two, if in the new car design and producing, add this system, can improve the high-tech content of this car, increase the attraction of car, strengthen the market competitiveness of car.And old vehicle also can be transformed a little and be suitable for this system, is that car increases new vitality.We can say that this automobile helps and look, help and drive and vehicle-running recording system has very and to be vast market prospect, can bring convenience for the individual, for enterprise brings huge economic benefit.

Accompanying drawing and drawing explanation: Fig. 1 is that plan structure scheme drawing Fig. 2 that camera of the present invention is installed on the automobile is that display plane scheme drawing Fig. 3 of the present invention is a system architecture scheme drawing of the present invention

The specific embodiment:

On automobile rearview mirror or the front and rear part of its position and car a digital camera (1,2,3,5) respectively is installed, be used for gathering the ambient conditions of front portion, the rear portion of car, left back portion, right back portion and the graphicinformation of the situation relevant with car, as shown in Figure 1, in fact common camera generally can be as small as 4.5cm * 4cm * 3.5cm, according to the automobile actual conditions, also can adopt more small and exquisite.The camera of actual installation can adopt the only of different shaping, different colours according to the difference of the size of automobile, outward appearance, color etc., and is more attractive in appearance in the hope of making automobile.In addition, can provide the more higher leveled device of band infrared ray night vision cam, total system can better worked at night according to the requirement of different user.Front camera and rear camera will embed in the automobile shell, only stay camera lens (similar " opal ") outside.Left and right camera will slightly tiltedly be paid outside the automobile body, and according to just system's difference of class of adopt, left and right camera can be paid automatically, takes in, and regulates the visual angle by rotating mechanism 4 anglecs of rotation.

Embedded pc system is installed at gauge panel place before the operator seat of car, is used for receiving the picture signal of handling and writing down camera collection, and its structure and treating process are as follows:

Embedded pc system: be the apparent integrated system of looking card 20, liquid crystal (or common) significant screen 23, image processing software module that a cover contains mainboard 22, CPU processing unit 21, hard storage disks 19, image pick-up card unit 17, multi-channel signal acquiring card 18, monitoring device.

Process: image pick-up card unit 17 receives the image video signal that camera (1,2,3,5) is gathered by signal wire (SW), and by the image processing software resume module; On the significant screen 23 of monitoring device, show simultaneously and look this four groups of images (default setting), also can select to show and look wherein a certain group or several groups of images.

Navigating mate just can be understood the ambient conditions of car at any time easily according to these four groups of images, drives safely.Simultaneously, the graphicinformation that the rearview camera (3,2) by left part, right part transmits and be presented at distance proportion on the framing mask by the actual measurement gained, thus obtain more accurate object of reference apart from realizing complex operations such as reversing, parking like a cork.And these four groups of dynamic images can automatically be stored in the hard storage disks 19 at any time, and can set the refresh time of institute's document image, and can make backup according to a plurality of records that are refreshed of the big young pathbreaker of institute's employing hard disk 19 and preserve, when driving a vehicle violating the regulations and train operation accident, processing just can also promptly realize " black box " function according to these records and backup detail knowledge and the accurate overall process of analyzing.

In addition, software module has instant camera function module, and when extraordinary circumstances need write down, navigating mate can M/C, and the moment image that each camera is gathered is recorded as picture and preserves the need during with preemergency.

Content of noting and image can call by action button (11,12,13,14,15,16,24,25,26,27) or on-screen menu and check.And microcomputer has a plurality of interfaces such as parallel port, serial ports, USB interface, can external removable storage device or cross cable with other computer experts and link to each other, so just the content output that system write down can be preserved.

Watchdog subsystem (can select for use) in the car:

The upper left corner at the upper right corner in the place ahead and rear or appropriate location are respectively by an Embedded camera (6,8) in car, diagonally opposing corner monitors situation in the car, sound collector 7 (wireless or wired) is installed simultaneously, adopt band sound collection channel image capture card unit 17 in the microcomputer main frame, import this several roads monitor signal into host computer by signal wire (SW) and receive and record, realize supervision and record the navigating mate in the car, passenger and accident.The image of monitoring device collection will not be presented on the read-out usually, but can show that switching push button or touch-screen menus select to show them by double screen, and self registering their backup is also arranged in the hard memory disc 19 in the main frame, can access at any time and consult.

Around significant screen, establish control panel, show that to realize operation and control as shown in Figure 2, its keypress function is:

Single screen shows switching push button 11: clicking changeable is that single screen shows the graphicinformation that any one camera transmits;

Double screen shows switching push button 12: click and changeablely show any two graphicinformations that camera transmits for double screen;

Three screens show switching push button 13: clicking changeable is that three screens show any three graphicinformations that camera transmits;

Recovery button 14: click can revert to the image (this is default setting) that shows four cameras in front, rear, left and right (1,5,3,2) simultaneously and transmit

Photograph button 15: click can realize instant camera function, and institute's photograph and picture is preserved into hard disk;

Consult button 16: be " singly-bound flies shuttle " type button, but click popup menu that the user chooses as required and can consult the content that system write down, exports, deletion etc.;

Left side camera action button 24: click can realize left camera 3 rotation, pay, take in.

Right camera action button 25: click can realize right camera 2 rotation, pay, take in;

Read-out shift knob 27: click can be opened and be closed read-out 23, and after it was closed, main frame still can work as usual; After if stop, close read-out 23 and open main frame and can realize that " camera bellows " monitors, make under situation unmanned on the scene, also can any infringement of monitor record to car, reach protection purpose to car;

Host switch button 26: click can be opened Shutdown Hosts.Open in the time of also can being set to automobile starting.

The click of these buttons is sent impulse singla and is imported multi-channel signal acquiring card unit 18 into through pulse signal conversion unit 10, or imports mainboard interface into by main frame reception processing through Programmable Logic Controller PLC, engages with software module, realizes various operations.

Sophisticated system will be used touch display screen, control button is set as system on screen menu, save other parts on the control panel, only keep shift knob 26, read-out shift knob 27, left and

right sides camera

3,2 action buttons, other functions are clicked screen with finger and realized operation, and are more simple and clear.

The function expansion:

Install infrared ambulator additional, the object of reference that makes the gained image is apart from more accurate, and it is more convenient to fall, stop.Install other again additional as sensors 9 such as speed, temperature, vibration, pressure,, handle and record, make this system become complete " automobile black box " system by embedded pc system with its signal input signal capture card of adopting 18.

Can design an infrared remote control as TV remote controller with above function button is integrated on the control panel, the control device adds infrared receiver with control surface, realizes the remote manipulation to this system more.

This cover system will be applicable to all kinds of automotives.

According to the difference and the function power of the camera that adopts, read-out, main frame, basic, normal, high, four models of supersystem that this system is divided into.

System schematic is shown in Figure 3.

Claims

1, a kind of black box system for automobile, comprise camera, monitoring device, it is characterized in that: camera (1,2,3,5) is positioned on the automobile rearview mirror or the influential position, many places of the outer situation of car is convenient to gather in its corresponding position or be installed in, monitoring device is positioned on the remarkable position that near the chaufeur the car gauge panel is easy to watch, and connect with an embedded pc system that comprises mainboard (22), CPU processing unit (21), hard memory disc (19), camera (1,2,3,5) connects with microcomputer through signal wire (SW), image input interface.

2, a kind of black box system for automobile according to claim 1, it is characterized in that: the image pick-up card unit (17) that the picture signal process of camera collection and image input interface bonded assembly are positioned on the mainboard (22) is sent to the transmission of monitoring device realization image, and, also can pass through output interface input external device and storage on the mainboard (22) by hard memory disc (19) stored record.

3, a kind of black box system for automobile according to claim 1, it is characterized in that: microcomputer system also is provided with the speed, temperature, vibration, the pressure sensor (9) that are used for by being positioned at vehicle body and gathers the automobile operating state data, and be transferred to the multi-channel signal acquiring card (18) that CPU element (21) is handled storage.

4, a kind of black box system for automobile according to claim 1 and 2, it is characterized in that: image pick-up card unit (17) receive the image video signal that camera (1,2,3,5) is gathered through signal wire (SW), by the image processing software resume module, and at last one or more groups image that shows of the read-out (23) of monitoring device.

5, a kind of black box system for automobile according to claim 1, it is characterized in that: also comprise monitoring sub-device in the car, this device comprises the camera (6,8) that is positioned at car the place ahead and rear, camera (6,8) is connected with mainboard (22) through signal wire (SW), also is connected with sound collector (7) on the mainboard (22).

6, according to claim 1,2 or 5 described a kind of black box system for automobile, it is characterized in that: camera can adopt the infrared night vision camera, also can install rotating mechanism (4) additional at the base of camera.