CN1396437A

CN1396437A - Vehicle recorder system

Info

Publication number: CN1396437A
Application number: CN 02125253
Authority: CN
Inventors: 胡雪美
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-19
Filing date: 2002-07-19
Publication date: 2003-02-12

Abstract

A vehicle recorder system is composed of recorder using Doppler effect, audio compression technique and video compression technique, desktop card reader, non-volatile memory card, transmission lines, communication unit, machine running record system, ambient environment record system and microcomputer.

Description

Vehicle recorder system

Technical field

The present invention relates to a kind of register system of running condition of automobile, be meant especially a kind of can be in rebuilding traffic accident's scene afterwards, and can make more accurate studying and judging and the preservation vehicle condition of ruling and non-volatile pen recorder of surrounding environment in view of the above.

Background technology

At present vapour, locomotive often can't be done clearly because of the attribution of liability of unscheduled event and define, and cause producing dispute, even it is tediously long, not only time-consuming but also bothersome to derive lawsuit.And now in the evaluation of traffic accident responsibility, still general direction and position according to brake vestige, meter status and car rebuild on-the-spotly again with thumb rule, study and judge and the ownership of inferring responsibility; But because of scene of an automobile accident be can't be true and complete reproduction, so the reason of accident is can't be because of hypervelocity, defective brake or driver's operating mistake etc., that factor causes, can't fast, correctly judge again with the most just at all, therefore also form the case of many erroneous judgements, afterwards remedy for damage also can't completely remove flat.Another traffic accident's scene and for example, because of burning factors such as car, rain drop erosion, vehicle move, the havoc scene just rebuilds the scene when responsibility is identified more difficultly, and how more leisure opinion studies and judges the supposition attribution of liability.

Summary of the invention

The purpose of this invention is to provide a kind of vehicle recorder system, its scene that need afterwards not waste time and energy rebuilds, and only need the record cell in this device with separate host interpretation again, just can intactly take out the detail record that comprises vehicle condition at that time and surrounding environment thereof, use simultaneously computer applied algorithm to come construction to go out complete scene again, in order to do making more accurate studying and judging and ruling fast from the preceding prime time after accident of causing trouble.

Another object of the present invention is that vehicle recorder system is being provided, use and make the driver that the fact of travelling is in violation of rules and regulations arranged and can't quibble, and traffic-police is as long as promptly can read the information of this vehicle situation and surrounding environment with the hand held calculating punch of carrying, rebuild the scene immediately, make the driver commit the fact in violation of rules and regulations naturally and can't play truant and the necessary acceptance of punishment.

Another object of the present invention is that vehicle recorder system is being provided, utilize computing machine to make complete car nationality and relevant accident data, can make relevant is the discussion and improvement policy of row, the highway section that has an accident as usual, can be as the significant data of later improvement reference, and the phase can reach the information automation purpose.

A further object of the present invention is that vehicle recorder system is being provided, can read the situation of desire maintenance vehicle and the information of surrounding environment thereof by desktop calculating punch 30 (or hand held calculating punch 50 also can), it can be come into plain view immediately to vehicle condition, and can take the most appropriate countermeasure to the ill at once, deal with problems smoothly and fix a breakdown, win client's praise so can increase work efficiency.

Above-mentioned purpose of the present invention is achieved in that a kind of vehicle recorder system, includes: an induction detecting unit, be used to detect the various parameters of vehicle ', and the signal that the parameter transformation that detects is become to be used to store; One video and audio capturing device is used to capture the audio-visual of vehicle condition and converts the signal that is used to store to; One nonvolatile memory is used for the travel video-audio signal of parameter signal and vehicle condition of store car; One audio-visual compression unit, compress in time audio-visual by the vehicle condition that outside video and audio capturing device captured, to reduce the quantity of information of record; One system control unit is used for controlling audio-visual compression unit and the induction detecting unit stores video-audio signal and observing and controlling parameter signal into nonvolatile memory; One supervisory keyboard unit has basic input and operation, selects functions of use, with input control information; One power supply unit, the required stable operating power of supply pen recorder.

The present invention is described in detail with a preferred embodiment below in conjunction with accompanying drawing.

Description of drawings

Fig. 1 is the Organization Chart of a preferred embodiment of the present invention.

Fig. 2 is the Organization Chart of another preferred embodiment of the present invention.

Fig. 3 is the structure calcspar of pen recorder of the present invention.

Fig. 4 is the control flow chart of system control unit of the present invention.

Fig. 5 is the block flow diagram of image capture of the present invention.

Fig. 6 is the block flow diagram of the audio-visual compression unit of the present invention.

Fig. 7 is the block flow diagram that the present invention responds to detecting unit.

Fig. 8 is the operational flowchart that the present invention utilizes the hand held calculating punch.

Fig. 9 is the operational flowchart that the present invention utilizes the desktop calculating punch.

Drawing reference numeral explanation: pen recorder 10; Timing A minutes 11; Timing B minutes 12; Timing 13; System control unit 101; Nonvolatile memory 102 (non-volatile memory); Supervisory keyboard unit 103; Power supply unit 104; Induction detecting unit 105; Audio-visual compression unit 106; Video and audio capturing device 108; Nonvolatile memory card 20＜non-volatile memory card 〉; Desktop calculating punch 30; Communication Equipment 40; Hand held calculating punch 50; Transmission line 60.

Embodiment

Vehicle recorder system of the present invention, its concrete main framework of using as shown in Figure 1, include substantially: a pen recorder 10, Nonvolatile memory card＜non-volatile memory 20 and desktop calculating punch 30 and transmission line 60, and implement to use the hand held calculating punch 50 general Communication Equipment 40 of can arranging in pairs or groups to do further utilization with transmission line 60 with this identical framework, its kenel is as shown in Figure 2.

This pen recorder 10 can reach repeatedly cycle index, preserve the situation of vehicle ', comprises the effect of sound, the speed of a motor vehicle, brake time and strength, throttle, electric power etc. in the image, car in the place ahead and ambient conditions;

Nonvolatile memory card＜non-volatile memory card〉20, be data to be made complete documentation store and can not disappear, and tool read-only with rewrite effect;

Hand held calculating punch 30, can be in conjunction with Nonvolatile memory card＜non-volatile memorycard〉20, and with this Nonvolatile memory card＜non-volatile memory card〉particulars such as the vehicle conditions that write down in 20 and context, mode via the display screen on the hand held calculating punch 30 presents, in order to operating personnel's quick interpretation;

Communication Equipment 40, be as good as with present, mainly be to provide with above-mentioned hand held calculating punch 50 and do specific connection, in order to do with above-mentioned by Nonvolatile memory card＜non-volatile memory card 20 data that read, the demand of looking is adopted the paged data (Data Call) by communication system or the mode of Short Message Service (Short Message Service), reach quick circular traffic accident's scene data, with timely enquiring vehicle data, and the phase can reach the information automation purpose of automatic archiving.

Please cooperate and consult shown in Figure 3ly, above-mentionedly further comprise about pen recorder 10 its inside structures of the present invention: system control unit 101, nonvolatile memory＜non-volatile memory unit 102, supervisory keyboard unit 103, power supply unit 104, induction detecting unit 105, audio-visual compression unit 106 etc.; Its inside then is collocation Nonvolatile memory card＜non-volatile memory card〉20, and a video and audio capturing device 108; Wherein:

System control unit 101 is topmost core in this pen recorder 10, is based on microcomputer in the present embodiment, and each unit of using in this pen recorder of commander 10 can operate swimmingly, and reaches the purpose of complete documentation;

Nonvolatile memory＜non-volatile memory〉102, be the following of a kind of non-powered state, still keep imformation memory; Being to combine with pen recorder 10, then is the memory body pattern that adopts similar electricallyerasable ROM (EEROM) (EEPROM) on the record of data, can be read-only with rewrite, and treat to continue to do cycle index behind the full shelves of memory capacity;

Supervisory keyboard unit 103 has basic input and operation, selects functions of use, provides operating personnel and can control and use this pen recorder 10 fast, expediently;

Power supply unit 104, provide the required stable operating power of this pen recorder 10, can obtain via connecting the automobile storage battery mode on the implementation, or the TunePower box of establishing a standby direct supply in addition also can reach, use the normal operation that influences pen recorder when avoiding storage battery not have electricity;

Induction detecting unit 105 is the various timely messages that can capture in the vehicle ', comprises as road speed, brake, throttle etc., and orders complete documentation in Nonvolatile memory card 20 via system control unit 101;

Audio-visual compression unit 106, it mainly is the timely video-audio that captures vehicle condition by the video and audio capturing device 108 of being located at pen recorder 10 outsides, adopt electric charge lotus root to set up part (C.C.D) jointly at present embodiment with infrared ray camera lens, via the compression of audio-visual compression unit 106, be recorded in Nonvolatile memory card＜non-volatile memory card again with reduction) data quantity in 20; And quite multiple with present compress technique, all applicable to this pen recorder 10 (as the MEPG3 compress technique).

Wherein, under the control of system control unit 101, the information in the nonvolatile memory 102 is dumped in the Nonvolatile memory card 20.

Please consulting shown in Figure 4ly again, is the control flow chart of system control unit in this pen recorder 10; On the control flow of whole pen recorder, at first at system control unit 101, set earlier timing A time 11 and timing B time 12, and the timing A time 11 must be greater than the timing B time 12, and the timing B time 12 is greater than zero; System can activate the timing A time 11 automatically after activating vehicle, this moment is not because vehicle travels, so speed is zero (being the slack state of car body), because of vehicle has activated the timing A time 11, so timing is not at this moment to be zero, the timing A time 11 is greater than the timing B time 12 again, and system judges that vehicle is a halted state, then orders to stop to store the record of all vehicle condition data; Otherwise, then speed is non-vanishing as if vehicle ', it is zero that system can close timing A times 11 timing, system activates 105 inductions (as shown in Figure 7) of induction detecting unit, continue to transmit with a standard signal source generator, after amplifying signal, amplifier sends, when having passback, signal reins in Doppler detecting device reception as a result through amplifier by dupp again, and serve as according to seeing through calculating of distance calculator with this signal that returns, learn the distance of vehicle and its objects in front, and this distance value of store recording (dupp is reined in effect Doppler); Simultaneously, video and audio capturing device 108 just begins to utilize the infrared ray camera lens to come the image and the sound of situation arround the vehicle are done acquisition (as shown in Figure 5), utilize sequential control to produce a timing, but form the sampling data that a broken color light signal converts numerical information to image with coloured light induction and seizure plate, then, carry out the editor of single image and composite image more synchronously again with this image data input image processing; After finishing image capture, then be audio-visual compression process (as shown in Figure 6) again, image video signal and the sound of acquisition from the infrared ray camera lens is dealt with respectively, wherein image part is divided into decoding, the generation quantity through the image decoding device, encode by image coder again and temporarily be stored in the memory storage, sound part then is to see through to be mixed with the image of handling through image coder after acoustic transducer, the vocoder effect again and form compression data, and these audiovisual materials that compress of store recording again; Afterwards, respond to speed, brake, throttle three parts synchronously according to induction detecting unit 105 (as shown in Figure 7) again, and become digital signal to be recorded storage with the transmission of data information mat coupling mechanisms such as obtained speed, throttle, brake and through analog-converted respectively; Rein in effect in induction detecting unit 105, video and audio capturing device 108 or dupp, one record time was at that time all arranged, and rein in after effect writes down respectively at induction detecting unit 105, video and audio capturing device 108 or dupp, be the mixing that benchmark is done above record again with time, then be stored in nonvolatile memory＜non-volatilememory〉102, record goes round and begins again; If when stopping after the vehicle ', its speed is zero, and closed so be zero because of timing, activate another timing 13 this moment, continues the action that keeps a record and store, this purpose is after preventing that accident from taking place, vehicle stops all, but has other vehicle from behind or other direction overtaking collision, causes the generation of another accident again, and can differentiate the accident responsibility ownership, and can continue the situation that the accident back is taken place that is recorded in; Until time of this timing 13 greater than 12 o'clock timing B time, just can stop store recording, circulating order like this continues ceaselessly, the record that goes round and begins again, this system acting flow process, and data in case record and take out after just can long preservation.

It is shown in Figure 8 to continue, and is the actual use aspect of this pen recorder 10 collocation hand held card reader 50; For instance, when traffic accident takes place when, the police is when arriving at the scene in traffic field personnel, pen recorder 10 on vehicle inserts transmission line 60, its transmission line one end inserts in the hand held calculating punch of carrying 50 again, at this moment, Nonvolatile memory card＜non-volatile memory card〉20, can separate and read all vehicle condition records by hand held calculating punch 50, and present all records of several minutes before the accident respectively via hand held calculating punch 50 display screens, the image that comprises the place ahead, sound in the car, the speed of a motor vehicle, brake time and strength, throttle, electric power etc., the firsthand information when making traffic field personnel police can understand accident at once fully, the clear by this ownership of differentiating traffic accident responsibility; Certainly, there had not been available power as if vehicle at that time, during situation about can't judge immediately, also can be in afterwards so that pen recorder 10 be pulled down, take out inner Nonvolatile memory card＜non-volatile memory card〉20, with Nonvolatile memory card＜non-volatile memory card〉20 insert desktop calculating punch 30 again and handle, and mat computer program and construction goes out the forward and backward scene of complete accident, make correct studying and judging and ruling again, to avoid meaningless controversial issue.

Ginseng is the actual use aspect of this pen recorder 10 collocation desktop card reader 30 as shown in Figure 9 again; This situation is suitable in the maintenance of vehicle most, its process is same as above-mentioned, the Maintenance Engineer is as long as the pen recorder on this vehicle 10 inserts transmission line 60, transmission line 60 1 ends insert desktop calculating punch 30 (or hand held calculating punch 50 also can) and read all records, and by all records of several minutes before and after the demonstrating of display screen classification timesharing, thus, several minutes vehicle condition before the Maintenance Engineer just can understand according to these complete informations, and can suit the medicine to the illness and take optimal strategy, reach correct again maintenance fast.

Be not difficult to find via above-mentioned explanation, the present invention utilizes Nonvolatile memory card＜non-volatilememory card〉be the essential record device, and be the keyholed back plate technological core with the microcomputer, the collocation dupp is reined in effect, sound compress technique and image compress technique etc., and utilize the infrared ray camera lens to make the formed framework of timely audio/video acquisition of vehicle condition, it can not only comprise machine operation record partly by complete documentation, even the record of surrounding environment correlative factor part, to be enough to replace the artificial careless mistake of judging traffic accident responsibility of tradition, and make it rebuild on the traffic accident's scene the simpler and easy facility of shape.

Claims

1, a kind of vehicle recorder system comprises:

An induction detecting unit is used to detect the various parameters of vehicle ', and the signal that the parameter transformation that detects is become to be used to store;

A video and audio capturing device is used to capture the audio-visual of vehicle condition and converts the signal that is used to store to;

One nonvolatile memory is used for the travel video-audio signal of parameter signal and vehicle condition of store car;

One audio-visual compression unit, compress in time audio-visual by the vehicle condition that outside video and audio capturing device captured, to reduce the quantity of information of record;

One system control unit is used for controlling audio-visual compression unit and the induction detecting unit stores video-audio signal and observing and controlling parameter signal into nonvolatile memory;

One supervisory keyboard unit has basic input and operation, selects functions of use, with input control information;

One power supply unit, the required stable operating power of supply pen recorder.

2, vehicle recorder system according to claim 1, wherein said system control unit is a microcomputer.

3, vehicle recorder system according to claim 1, wherein said nonvolatile memory is a kind of outside plug type Nonvolatile memory card.

4, vehicle recorder system according to claim 1, wherein said vehicle condition parameter comprise road speed, brake, throttle and with the parameter of the distance of front vehicles.

5, as vehicle recorder system as described in claim 1 or 4, Nonvolatile memory card is wherein done to resolve, show by the desktop calculating punch.

6, as vehicle recorder system as described in claim 1 or 4, Nonvolatile memory card is wherein done to resolve, show by the hand held calculating punch.

7, vehicle recorder system according to claim 1, pen recorder wherein can be directly by communication apparatus transmission data.

8, vehicle recorder system according to claim 1, pen recorder wherein is with short message way transmission vehicle condition information.