CN1866300A - Vehicle driving data recorder - Google Patents
Vehicle driving data recorder Download PDFInfo
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- CN1866300A CN1866300A CNA2006100740497A CN200610074049A CN1866300A CN 1866300 A CN1866300 A CN 1866300A CN A2006100740497 A CNA2006100740497 A CN A2006100740497A CN 200610074049 A CN200610074049 A CN 200610074049A CN 1866300 A CN1866300 A CN 1866300A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/0875—Registering performance data using magnetic data carriers
- G07C5/0891—Video recorder in combination with video camera
Abstract
The recorder has acceleration sensors to detect collision acting on a vehicle. Cameras record image data with respect to the moving vehicle and before and after a time point in which the collision is detected. A RAM (23) stores collective data that indicates the image data and is collected based on preset collision levels. A central processing unit (CPU) (21) arranges the collision in different collision levels. An image data accumulator deducts the collective data according to the different level, and a, electrically erasable programmable ROM (24) stores the image data.
Description
The cross reference of related application
The application based on May 20th, 2005 the Japanese patent application of Jap.P. office application 2005-148046 number, its whole contents is comprised in here in the mode of reference.
Technical field
The present invention relates to a kind of driving data recorder of vehicle, relate in particular to a kind of vehicle body that is recorded in by the driving data recorder of the view data of being caught before and after the impact.
Background technology
In recent years, the transportation operator has begun to introduce a kind of driving data recorder, as the potential efficient apparatus that prevents car accident, the vehicle drive data before and after this driving data recorder is recorded in vehicle accidents happened are as field of front vision, the speed of a motor vehicle, quicken suddenly and slow down.When for example, being installed in driving data recorder on the commerial vehicle (as taxi, motorbus etc.) and can being recorded in vehicle accidents happened or the place ahead view data when vehicle quickens suddenly or slows down and drive data.Drive data representation driver's driving behavior, as brake, turn-signal control lamp and travel route etc.In addition, the high-performance of the view data of known a kind of further registration of vehicle inside is driven data recorder.
A kind of like this driving data recorder comprises ccd video camera (camera), acceleration transducer and card data storer (below be called " card ").Drive the data recorder record as the view data of field of front vision, show vehicle and its ambient conditions.Be subjected to by such as accident, emergency brake, turn etc. under the situation that causes suddenly driving data recorder, drive data recorder and be recorded in view data before and after being subjected to impacting on the card, driving data etc. greater than the impact of 0.4G.Predetermined space is for example for from 12 seconds before being subjected to impacting after impacted 6 seconds.
After accident takes place, be recorded in the view data on the card and drive the correctness that data help identification of driver.In addition, when detecting rough and dangerous driving behavior, driving data recorder can alerting driver, and drive recorder makes the driver have certain nervous sense thus.
Japanese Laid-Open Patent Application discloses a kind of driving data recorder for 2000-6854 number, and it is monitoring picture data and drive data simultaneously, and when collision detection sensor detects accident recording image data.Watch the view data that is write down and make it possible to discern not cardiac driving or sleepy the driving.
Yet, there is a kind of like this problem, promptly when the predetermined threshold that judges whether to be impacted too little (for example 0.4G), the unnecessary view data that is write down has been wasted the internal memory in the card.Have another kind of problem, promptly when predetermined threshold was too big, the necessary image data may not be recorded yet.Because the size of data of view data is very big, thus need the driving data recorder of a kind of record corresponding to the view data that is fit to of the shock extent of vehicle, to guarantee to provide analysis to car accident.
Therefore, the purpose of this invention is to provide a kind of driving data recorder that can write down corresponding to the view data that is fit to of the shock extent of vehicle.
Summary of the invention
In order to realize the present invention, a kind of driving data recorder that is installed on the vehicle is provided, it comprises: shock testing device is used to detect the impact to vehicle; Image capture device, be used to catch about the view data of moving vehicle and write down shock testing device and detect view data before and after impacting, it is characterized in that also comprising: collect data-carrier store, be used for storage and collect data, the view data that described collection data indication will be collected corresponding to the predetermined impact level; Sorter will be categorized as lashing stage by the detected impact of shock testing device; The image data collection device is used for extracting collection data corresponding to the lashing stage of being classified by sorter from collecting data-carrier store, and the view data of being caught by image capture device corresponding to the collection data aggregation of extracting; And image data memory, be used to store the view data of collecting by the image data collection device.
According to foregoing description, sorter will be categorized into the predetermined impact level by the impact that shock testing device detected, and collect the collection data of the view data that data-carrier store storage indication will be collected corresponding to lashing stage.When shock testing device detects impact, the image data collection device extracts the collection data corresponding to lashing stage, and collect the view data that will be collected corresponding to lashing stage, then from image capture device be collected in vehicle before and after being subjected to impacting, by view data corresponding to the collection data indication of lashing stage.Then, view data is stored in the image data memory.
Best, collect data and be formed to indicate the significance level of each lashing stage.In addition, image data memory comprises: be used to store than first data-carrier store of important images data and be used to store not too second data-carrier store of important images data.In addition, first data-carrier store or second data-carrier store can be removed from driving data recorder.
According to foregoing description, when the image data collection device collect by collect the data indication than the important images data time, view data is stored in first data-carrier store.When the image data collection device was collected the not too important images data of being indicated by the collection data, view data was stored in second data-carrier store.Then, first data-carrier store or second data-carrier store can be removed from driving data recorder.
According to the present invention, best, image capture device comprises a plurality of video cameras on the precalculated position that is installed in vehicle, that be used for catching corresponding to lashing stage view data, and collect data and comprise the recognition data that is used to discern video camera, make collect one or more view data of video camera of self-identifying data indication of image data collection device.
According to foregoing description, video camera is installed on the precalculated position of vehicle, to catch the view data of intended target.When shock testing device detected impact, sorter was categorized into one of them lashing stage with impact.Then, the image data collection device extracts the collection data that are detected front and back corresponding to the impact of lashing stage from collecting data-carrier store, and collects from one or more view data of the video camera of collecting the data indication.Then, image data memory storing image data.
According to the present invention, shock testing device also preferably be installed in respectively video camera near.In addition, the collection data are associated with pick-up unit and are stored in and collect in the data-carrier store.When one or more shock testing devices detect impact, the image data collection device is extracted from collect data-carrier store by one or more shock testing devices of sorter classification corresponding to its lashing stage and collects data, and be collected in one or more shock testing devices detect before and after impacting, by the view data of the recognition data indication of collecting data.
According to foregoing description, when sorter is categorized as one of them lashing stage with impact, the image data collection device extracts from collect data-carrier store corresponding to the one or more shock testing devices that detect to impact and collects data, and collects from the video camera of collecting the data indication one or more and detect the view data of impacting front and back.Then, image data memory storing image data.
Description of drawings
Fig. 1 is that explanation comprises the synoptic diagram according to the whole recorder system of driving data recorder of the present invention;
Fig. 2 is that explanation is according to side view of the present invention, that be installed in the driving data recorder among the Fig. 1 on the vehicle windscreen;
Fig. 3 is the front view of explanation according to the driving data recorder among Fig. 1 of the present invention;
Fig. 4 is the top view of explanation according to the driving data recorder among Fig. 1 of the present invention;
Fig. 5 is the block scheme of configuration of the driving data recorder of key diagram 1;
Fig. 6 is the process flow diagram of basis by first embodiment of the processing that CPU carried out of Fig. 5;
Fig. 7 is the process flow diagram of basis by second embodiment of the processing that CPU carried out of Fig. 5.
Embodiment
The embodiment of driving data recorder 2 according to the present invention and the whole recorder system 1 that uses this driving data recorder 2 will be described below with reference to Fig. 2-8.
As shown in fig. 1, whole recorder system 1 comprises: drive data recorder 2, be installed on truck, taxi, the private car etc.; Analytic unit 5 is used for the data of analyzing stored at cassette storer C (below be called " card C ").
Card C uses the storage card such as " compact flash (compact flash) " etc., and as is well known, it comprises: nonvolatile memory; And i/o controller.Various types of storage cards can be used as the card C corresponding to system configuration.
Analytic unit 5 comprises: known personal computer 50; Input block 51 such as keyboard or mouse; Display 52; The reader/writer 53 that is used to card C; Printer 54.Be used to analyze the application program of driving data recorder 2 by execution, personal computer 50 reads from the view data of blocking C by reader/writer 53, then view data is presented on the display 52 or analysis of image data.
For example, as shown in Fig. 3-5, drive data recorder 2 be fixed to windshield 3 inwalls on the essentially identical position of rearview mirror (not shown), not influence vehicle driver's the visual field.Driving data recorder 2 comprises: be the main body 20A of box-like substantially; With support 20B.Support 20B is fixed on the vehicle, and the angle with hope keeps main body 20A simultaneously.
Along the travel direction (" X " among Fig. 2) of vehicle, on 20B1, form groove 20E (shown in Fig. 4).The contact component 20F of contact main body 20A can slide along groove 20E.Locking piece 20B2 vertically (" Y " among Fig. 2) is set at the downside of web member 20B3.Be used for fixing button (knob) 20G that main body 20A is fixed on the support 20B is installed in locking piece 20B2.Fixing button 20G and contact component 20F keep main body 20A with the angle of hope.
The camera lens of the video camera 25a that will describe below is partly outstanding from the facing the wall and meditating towards one of windshield 3 of main body 20A.On web member 20B3, form tapered portion 20B4 so that video camera 25a can catch image with taper.The diameter of tapered portion 20B4 reduces gradually towards windshield 3, and the front end of tapered portion 20B4 forms opening.Video camera 25a catches the image in the vehicle front visual field along the direction of X by opening.
In the vehicle driving data recorder 2 of present embodiment, tapered portion 20B4 is formed on the web member 20B3, yet can adopt various embodiment according to the present invention.For example, simple (non-convergent) opening or the be used to conjugate foramen that engages the outshot of video camera 25a can be formed at web member 20B3.
In addition, the power cable 20H of driving data recorder 2 is installed on the main body 20A.Power cable 20H arranges along windshield 3.In addition, as shown in Figure 4, the lid 20K that is used to cover the connector of the cable that is connected to the following secondary video camera 25a-25n that will describe is detachably mounted on main body 20A.When video camera 25a-25n was mounted, lid 20K was disassembled.
In addition, be used to cover the connector of peripherals such as the lid 20L of USB (USB (universal serial bus)) is detachably fixed to main body 20A.Thus, personal computer etc. can with drive data recorder 2 and link to each other to change the various settings of driving data recorder 2.
Below, will drive data recorder 2 and be fixed to embodiment on the windshield 3 describing.At first, main body 20A being fixed to the direction of windshield 3 and the inclination of windshield 3 is defined relatively.More particularly, when windshield 3 slight inclination, and block C thus and can insert when blocking insertion unit 28 from the top of main body 20A at an easy rate, lid 20A1 can be configured in the upside of 20A.On the other hand, when windshield 3 tilts very much, and when blocking C thus and being not easy to insert card from the top of main body 20A and inserting unit 28, lid 20A1 can be configured in the downside of main body 20A.
No matter cover upside or downside that 20A1 is configured in main body, when turning around, main body 20A fixedly is essentially identical to support 20B's.Therefore, hereinafter, only describe when lid 20A1 is in the upside of main body 20A and will drive the embodiment that data recorder 2 is fixed to windshield 3.
Fixed part 20C is fixed to the desired location of windshield 3, and support 20B is fixed on the windshield 3 thus.Then, main body 20A contacts with the contact component 20F of the locking piece 20B1 of support 20B.Then, in order to adjust the area of visual field of video camera 25a, contact component 20F is slided so that with the angle that is fit to main body 20A is set.Then, fixing button 20G is rotated so that to be fit to angle main body 20A is remained between fixing button 20G and the contact component 20F.
The embodiment of the configuration of driving data recorder 2 will be described below.As shown in Figure 5, drive data recorder 2 and comprise: CPU21, handle and control according to preset program; ROM22, the program that is used to store CPU21 as ROM (read-only memory); And RAM23, be used for store various kinds of data and provide treatment region for CPU21 as random access memory.
Even comprising, CPU21 when the power supply of driving data recorder 2 is cut off, also stores the EEPROM24 of data.EEPROM24 has the temporary storage aera, and it sequentially stores view data of being caught by image capture device 25 etc. in scope at the fixed time.
Various video cameras such as ccd video camera, still camera, field camera, infrared camera can be used as video camera 25a-25n.Video camera 25a-25n constantly catches the image such as vehicle front visual field etc.Interface circuit 25i is with the image transitions of catching and be compressed into view data, and view data is input to CPU21.Incidentally, view data selectively comprises corresponding to the configuration of driving data recorder 2 or the film or the rest image of specification.
In addition, in the configuration of the vehicle driving data recorder 2 of present embodiment, video camera 25a is accommodated in the inside of main body 20A, and other video camera 25b-25n then is configured in available position in the vehicle as secondary video camera.Video camera 25b-25n can catch the image such as the rear view of vehicle visual field, peripheral visual field, driver, passenger, the inner visual field, door etc.Therefore, drive data recorder 2 and can collect the view data that is used to help to analyze the impact reason.
The 3-axis acceleration sensor that the mode with three-phase (X, Y, Z) acceleration of being used for detects impact is used as acceleration transducer 27a-27n.Incidentally, 3-axis acceleration sensor as is well known, is piezoresistance sensor.Acceleration transducer 27a-27n will represent that the output signal of the acceleration of detection outputs to CPU21 respectively.
In addition, in the configuration of the vehicle driving data recorder 2 of present embodiment, acceleration transducer 27a-27n is set at the position corresponding to video camera 25a-25n respectively.Acceleration transducer 27a is accommodated in the inside of main body 20A, other sensor 27b-27n then be set at respectively video camera 25b-25n near.Therefore, drive data recorder 2 and can collect view data near the position the position that shock wave detects.Therefore, view data also can help to analyze the impact reason.
Incidentally, in the configuration of the vehicle driving data recorder 2 of present embodiment, card C is defined as first data-carrier store " C ", and EEPROM24 is defined as second data-carrier store 24.Yet, the invention is not restricted to such combination.EEPROM24 can be defined as first data-carrier store 24, and card C can be defined as second data-carrier store " C ".
The ROM22 storage makes the various programs of CPU21 as sorter 21 and 21 work of image data collection device.
EEPROM24 is as collecting data-carrier store 23.Data (collection data) are collected in EEPROM24 storage, the view data that this collections data indication will be collected corresponding to the lashing stage of classifying.Incidentally, the various memory storages such as ROM22 or card C can be used as collection data-carrier store 23.
Incidentally, in the configuration of the vehicle driving data recorder 2 of present embodiment, collect data and comprise predetermined impact level (as " greater than A with less than B " level, " greater than B " level etc.) corresponding to each of acceleration transducer 27a-27n.By three-dimensional (X, Y, Z) acceleration on the occasion of or the impact signal that constitutes of negative value be classified into the predetermined impact level.Whether collecting data also comprises: carry out/do not carry out data (go/no-go data), be used for the indicating image data and be collected corresponding to lashing stage; Recognition data is used to discern the video camera 25a-25n that catches view data.
Incidentally, collect data and can be stored in advance before by shipping driving data recorder 2, or store from external unit after being installed on the vehicle driving data recorder 2.
Below, according to the present invention, first embodiment of the processing of CPU21 will be described with reference to Fig. 6.For convenience of explanation, will the processing relevant with acceleration transducer 27a with video camera 25a only be described.Yet processing relevant with acceleration transducer 27b-27n with other video camera 25b-25n and above-mentioned processing are basic identical.
In step S1, after being powered by power cable 20H CPU21, initialization process is performed, wherein initial value is set in each zone of RAM23, the collection data that are associated with acceleration transducer 27a are extracted and are stored in the RAM23 from EEPROM24, and process enters step S12 then.
In step S12, video camera 25a catches the place ahead image of vehicle, and image sequentially is stored among the EEPROM24 can be identified from which the mode among the video camera 25b-25n then, and process enters step S13 then.Incidentally, for example video camera 25a-25n can be discerned about view data in the fate of the identification by preparing to be used for video camera 25a-25n in EEPROM24 or the identifier of video camera 25a-25n is associated with view data.
In step S13, three-dimensional (X, Y, the Z) acceleration signal of acceleration transducer 27a input acceleration sensor 27a is as acceleration information, acceleration information sequentially is stored in (as step S12) among the EEPROM24 can be identified from which the mode among the acceleration transducer 27b-27n then, and process enters step S14 then.
In step S14, CPU21 judges according to acceleration information whether vehicle turns right.When CPU21 judged that vehicle is turned right ("Yes" in step S14), process entered step S15.In step S15, according to the collection data corresponding to acceleration transducer 27a that are stored among the RAM23, value " A " is set to the judgment threshold corresponding to the vehicle right-hand bend, and process enters step S16 then.
In step S16, CPU judges that as sorter 21 whether the AL Acceleration Level of turning right is greater than " A ".When CPU21 judged that AL Acceleration Level is not more than " A " ("No" in step S16), process turned back to step S12, and repeated said process.When CPU21 judges that AL Acceleration Level is greater than " A " ("Yes" in step S16).The step S20 that will describe below process enters.
When CPU21 judged that vehicle is not turned right ("No" in step S14), process entered step S17.In step S17, CPU21 judges whether vehicle turns left.When CPU21 judged that vehicle does not turn left ("No" in step S17), process turned back to step S12, and repeated said process.When CPU judged that vehicle turns left ("Yes" in step S17), process entered step S18.In step S18, according to the collection data that are stored in the acceleration transducer 27a among the RAM23, value " B " is stored as the judgment threshold corresponding to the vehicle left-hand bend, and process turns back to step S19 then.
In step S19, CPU judges that whether the acceleration that turns left is greater than " B ".When CPU21 judged that AL Acceleration Level is not more than " B " ("No" in step S19), process turned back to step S12, and repeated said process.When CPU21 judged AL Acceleration Level greater than " B " ("Yes" in step S19), process entered step S20.
In step S20, before and after impact is detected and the view data that is associated with the acceleration transducer of from acceleration transducer 27a-27n, discerning be collected, and be temporarily stored in RAM23, the acceleration transducer of this identification is to discern by the recognition data of the collection data of extracting from RAM23.In step S21, CPU21 adds the new data such as detecting the time and date that impacts in the view data that is stored among the RAM23 to, and view data is write the card C that card inserts unit 28.After collected view data is stored in card C, finish this process.
The example of basis by first operation of the vehicle driving data recorder 2 of first embodiment of the processing that CPU21 carried out will be described below.
Driving after data recorder 2 is powered, sequentially be stored among the EEPROM24 can be identified from which the mode among the video camera 25a-25n as the image of the view data of catching respectively by video camera 25a-25n.Meanwhile, the signal that is detected by acceleration transducer 27a-27n sequentially is stored in the acceleration information of the value of conduct expression three-dimensional (X, Y, Z) acceleration among the EEPROM24.
The lashing stage of judging one of them acceleration information as CPU21 is during greater than " A " that turn right or " B " that turn left, and CPU21 collects impact corresponding to the collection data indication of the acceleration information view data before and after being detected.Then, CPU21 will block C corresponding to the image data storage of lashing stage.
The card C of storing image data taken out from drive data recorder 2 and it is taken company or office, police office etc. under the vehicle.Then, analytic unit 5 takes out view data from card C, image is presented on the display 52, analyzes to be presented on the display 52 to the impact of vehicle and with analysis result.
First example of operating according to vehicle driving data recorder 2, drive data recorder 2 and will be categorized as a plurality of lashing stages that comprise turning left and turn right in advance by the lashing stage that vehicle is subjected to, the collection data of the view data that storage indication will be collected corresponding to each lashing stage are collected and storing image data corresponding to the lashing stage of the impact that detects then.Therefore, owing to only be collected corresponding to the view data of vehicular impact, so EEPROM can prevent to store unnecessary view data, and it can be used effectively.Therefore, the storage driving data recorder 2 of view data that is suitable for lashing stage can be provided.
In addition, collect data and comprise the recognition data that is used to discern the video camera 25a-25n that is associated with the lashing stage that comprises turning left and turn right respectively, and CPU21 collects the view data that is associated with the video camera 25a-25n that is indicated by recognition data.Therefore, driving data recorder 2 can be collected the necessary image data that are associated with the video camera of discerning and can be prevented to deposit unnecessary view data in EEPROM24 from video camera 25a-25n.Therefore, drive the reason that data recorder can help to analyze vehicular impact.
In addition, acceleration transducer 27a-27n (shock detector) is arranged near the video camera 25a-25n respectively.Collecting data is associated with each acceleration transducer 27a-27n.The collection data of video camera that meet the lashing stage of judgement according to indication, before and after impact is detected and the view data that is associated with the video camera of from video camera 25a-25n, discerning be collected.Therefore, the view data that is associated with near the video camera (it is the position that is hit of vehicle) of identification can be collected.Therefore, drive the reason that data recorder 2 can further help to analyze vehicular impact.
Below, with reference to accompanying drawing 7 second embodiment by the processing that CPU21 carried out of driving data recorder 2 according to the present invention will be described.In second embodiment of this processing, the judgment threshold of AL Acceleration Level is provided with like this, and promptly AL Acceleration Level " V " is less than AL Acceleration Level " W ".In addition, as first embodiment of this processing, for convenience of explanation, below the situation that has video camera 25a and acceleration transducer 27a will only be described.Yet, use other situation of video camera 25b-25n and acceleration transducer 27b-27n basic identical with the situation of using video camera 25a and acceleration transducer 27a.
In step T1, after being powered by power cable 20H CPU21, initialization process is performed, wherein initial value is set in each zone of RAM23, the collection data that are associated with acceleration transducer 27a are extracted from EEPROM24 and are stored among the RAM23, and process enters step T12 then.By additional significant data on the collection data of first embodiment of this processing, the collection data of second embodiment of this processing are formed.Significant data is indicated the importance of the AL Acceleration Level of respectively classifying of the acceleration that is detected by acceleration transducer 27a-27n.
In step T12, video camera 25a catches the place ahead image of vehicle, then, sequentially is stored among the EEPROM24 can be identified from which the mode image among the video camera 25b-25n, and process enters step T13 then.Incidentally, the same procedure among use and the step S12,25a-25n can be identified about the view data video camera.
In step T13, three-dimensional (X, Y, the Z) acceleration signal of acceleration transducer 27a input acceleration sensor 27a is as acceleration information, the same with step S12 then, acceleration information sequentially is stored among the EEPROM24 can be identified from which the mode among the acceleration transducer 27b-27n, and process enters step T14 then.
In step T14, CPU21 judges that according to the acceleration information that is stored among the EEPROM24 whether AL Acceleration Level is greater than " V ".When CPU21 judged that AL Acceleration Level is not more than " V " ("No" in step T14), process turned back to step T11, and repeated above-mentioned steps.When CPU21 judges AL Acceleration Level greater than " V " ("Yes" in step T14), the step T15 that will describe below process enters.
In step T15, before and after impact is detected and the view data that is associated with the acceleration transducer of in acceleration transducer 27a-27n, discerning be collected, and be temporarily stored in RAM23, the acceleration transducer of this identification is to discern by the recognition data of the collection data of extracting from RAM23.In step T16, CPU21 adds the new data such as detecting the time and date that impacts to be stored among the RAM23 view data, and view data is write the card C that card inserts unit 28.After collected view data was stored in card C, process entered step T17.
In step T17, CPU judges that according to the acceleration information that is stored among the EEPROM24 whether AL Acceleration Level is greater than " W ".When CPU21 judges that AL Acceleration Level is not more than " W " ("No" in step T17), finish this process.When CPU21 judged AL Acceleration Level greater than " W " ("Yes" in step T17), process entered step T18.In step T18, the not too significant data that only is stored in the view data among the RAM23 finishes this process then as detecting the specific region that the time and date that impacts is deposited in EEPROM24.
Below, will the example of basis by second operation of the driving data recorder 2 of second embodiment of the processing that CPU21 carried out be described.
Driving after data recorder 2 is powered, the image of being caught respectively by video camera 25a-25n sequentially is stored among the EEPROM24 as view data can be identified from which the mode among the video camera 25a-25n.Meanwhile, the signal that is detected by acceleration transducer 27a-27n sequentially is stored among the EEPROM24 as the acceleration information of representing three-dimensional (X, Y, Z) acceleration.
The lashing stage of judging one of them acceleration information as CPU21 is during greater than " V ", CPU21 collects to impact and is detected front and back and the relevant view data of discerning of video camera, and this video camera is to be identified from video camera 25a-25n by the collection data corresponding to acceleration information.Then, CPU21 will deposit card C in corresponding to the view data that is classified as more important lashing stage.
In addition, when lashing stage during greater than " C ", CPU21 judges that whether lashing stage is greater than " D ".When CPU21 judged lashing stage greater than " D ", the not too significant data of collected view data was deposited in the predetermined memory area of EEPROM24.When judging that lashing stage is lower than "Yes", view data is not deposited among the EEPROM24 and is finished this process.
Take out and stored the card C that impacts the view data before and after being detected from driving data recorder 2, and it is taken company or office, police office etc. under the vehicle.The peripherals that links to each other with driving data recorder 2 reads the view data that is stored among the EEPROM24.Then, analytic unit 5 takes out from card C and takes out not too important images data than the important images data and from peripherals.Then, analytic unit 5 is presented at image on the display 52, analyzes to be presented on the display 52 to the impact of vehicle and with the result.
Second example of operating according to vehicle driving data recorder 2, drive the data recorder 2 prior lashing stages that vehicle will be subjected to and be categorized as a plurality of lashing stages, storage indication will be corresponding to the collection data of the view data that are collected at different levels, collect then and corresponding to the lashing stage storing image data of the impact that is detected.Therefore, owing to only be collected corresponding to the view data of vehicular impact, so EEPROM24 can prevent to store unnecessary view data, and it can be used effectively.Therefore, the storage driving data recorder 2 of view data that is suitable for lashing stage can be provided.
In addition, collecting data is formed with the indication significance level.Driving data recorder 2 comprises: card C (first memory) is used for storage than the important images data; And EEPROM24 (second memory), be used to store not too important images data.Card C can pull down from driving data recorder 2.Therefore, not too the important images data are stored in the storer that is separated with other storer that is used for storing than the important images data.Therefore, drive the reason that data recorder 2 can be stored the more images data and further be helped to analyze vehicular impact.
In addition, collect the recognition data that data comprise the video camera 25a-25n that identification is associated with lashing stage respectively, and collect view data among video camera 25a-25n one or more of free recognition data indication of CPU21.Therefore, drive the data recorder 2 necessary image data of the video camera in video camera 25a-25n, discerned of can collecting, and can prevent that unnecessary view data from depositing EEPROM24 in.Therefore, drive the reason that data recorder 2 can help to analyze vehicular impact.
In addition, acceleration transducer 27a-27n (shock detector) be separately positioned on video camera 25a-25n near.Collecting data is configured corresponding to each acceleration transducer 27a-27n.According to the lashing stage of being judged, the video camera from the video camera 25a-25n that the collection data are discerned, the image before and after impact is detected is collected.Therefore, near the position that vehicle is impacted, can from video camera 25a-25n one or more, collect image.Therefore, drive the reason that data recorder 2 further helps to analyze vehicular impact.
Incidentally, in first and second embodiment, acceleration transducer 27a-27n is corresponding to video camera 25a-25n.Yet only acceleration transducer can be installed in the inside of main body 20A.By the combination of the lashing stage that detected by acceleration transducer 27a-27n, can judge whether view data is stored.Can carry out various application according to the present invention.
Although described the present invention in detail with reference to the mode of accompanying drawing by example, be to be understood that and carried out various modifications and variations to it that this will be readily apparent to persons skilled in the art.Therefore, if such modifications and variations do not break away from the following scope of the present invention that is limited, it should be counted as in the scope that the present invention allows.
Claims (4)
1, a kind of driving data recorder (2) that is installed on the vehicle comprising:
Shock testing device (27) is used to detect the impact to vehicle;
Image capture device (25) is used to catch about the view data of moving vehicle and writes down shock testing device (27) and detects view data before and after impacting, it is characterized in that also comprising:
Collect data-carrier store (23), be used for storage and collect data, the view data that described collection data indication will be collected corresponding to the predetermined impact level;
Sorter (21) will be categorized as lashing stage by the detected impact of shock testing device (27);
Image data collection device (21) is used for extracting collection data corresponding to the lashing stage of being classified by sorter (21) from collecting data-carrier store (23), and the view data of being caught by image capture device (25) corresponding to the collection data aggregation of extraction; With
Image data memory (24) is used for the view data that storage is collected by image data collection device (21).
2, driving data recorder as claimed in claim 1 (2) is characterized in that:
Collecting data is formed to indicate the significance level of each lashing stage;
Image data memory (24) comprises and is used to store than first data-carrier store (C) of important images data and is used to store not too second data-carrier store (24) of important images data; And
First data-carrier store (C) or second data-carrier store (24) can be removed from driving data recorder (2).
3, as claim 1 or the described driving data recorder of claim 2 (2), it is characterized in that:
Image capture device (25) comprises a plurality of video cameras (25a-25n) on the precalculated position that is installed in vehicle, that be used for catching corresponding to lashing stage view data;
Collect data and comprise the recognition data that is used to discern video camera (25a-25n); And
Collect one or more collection view data of video camera (25a-25n) of self-identifying data indications of image data collection device (21).
4, driving data recorder as claimed in claim 3 (2) is characterized in that:
Shock testing device (27) is mounted respectively near video camera (25a-25n);
The collection data are associated with shock testing device (27) and are stored in and collect in the data-carrier store (23); And
Image data collection device (21) is extracted from collect data-carrier store (23) by one or more shock testing devices (27) of sorter (21) classification corresponding to its lashing stage and collects data, and is collected in one or more view data of catching that one or more shock testing devices (27) detect described a plurality of video cameras (25a-25n) before and after impacting, that indicated by the recognition data of collecting data.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005148046A JP2006321424A (en) | 2005-05-20 | 2005-05-20 | Drive recorder |
| JP2005148046 | 2005-05-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1866300A true CN1866300A (en) | 2006-11-22 |
| CN100590662C CN100590662C (en) | 2010-02-17 |
Family
ID=37387847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610074049A Expired - Fee Related CN100590662C (en) | 2005-05-20 | 2006-04-04 | Vehicle driving data recorder |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2006321424A (en) |
| CN (1) | CN100590662C (en) |
| DE (1) | DE102006017798B4 (en) |
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| CN102034287A (en) * | 2009-09-30 | 2011-04-27 | 富士通天株式会社 | Data management device, data reading method and computer-readable medium |
| CN102142159A (en) * | 2010-02-01 | 2011-08-03 | 比特硕尼克株式会社 | Vehicle-mounted surveillance device |
| CN102682498A (en) * | 2011-03-14 | 2012-09-19 | 矢崎总业株式会社 | Vehicle information recording device |
| CN108780589A (en) * | 2016-03-22 | 2018-11-09 | 株式会社电装 | Automobile data recorder |
| CN112863008A (en) * | 2021-03-17 | 2021-05-28 | 东风小康汽车有限公司重庆分公司 | Fault recording method and device, storage medium and computer equipment |
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| DE102008024920A1 (en) * | 2008-05-23 | 2009-12-10 | Egger, Kurt | Digital vehicle travel recording device, has exchangeable data medium e.g. secure digital card and universal serial bus stick, for recording data stored in ring memory by key press or sensor actuation |
| JP5190896B2 (en) * | 2009-03-23 | 2013-04-24 | カヤバ工業株式会社 | Drive recorder |
| JP2010256194A (en) * | 2009-04-27 | 2010-11-11 | Nippon Ceramic Co Ltd | Invasion detecting device |
| JP5692894B2 (en) * | 2010-07-09 | 2015-04-01 | 矢崎エナジーシステム株式会社 | Drive recorder and video recording method of drive recorder |
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| CN102034287A (en) * | 2009-09-30 | 2011-04-27 | 富士通天株式会社 | Data management device, data reading method and computer-readable medium |
| CN102142159A (en) * | 2010-02-01 | 2011-08-03 | 比特硕尼克株式会社 | Vehicle-mounted surveillance device |
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| CN102682498B (en) * | 2011-03-14 | 2015-11-04 | 矢崎能源系统公司 | For the information-recording apparatus of vehicle |
| CN108780589A (en) * | 2016-03-22 | 2018-11-09 | 株式会社电装 | Automobile data recorder |
| US10740909B2 (en) | 2016-03-22 | 2020-08-11 | Denso Corporation | Drive recorder |
| CN112863008A (en) * | 2021-03-17 | 2021-05-28 | 东风小康汽车有限公司重庆分公司 | Fault recording method and device, storage medium and computer equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100590662C (en) | 2010-02-17 |
| DE102006017798B4 (en) | 2008-12-18 |
| DE102006017798A1 (en) | 2006-11-30 |
| JP2006321424A (en) | 2006-11-30 |
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