CN102402805A - Driving recorder - Google Patents
Driving recorder Download PDFInfo
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- CN102402805A CN102402805A CN2010102878775A CN201010287877A CN102402805A CN 102402805 A CN102402805 A CN 102402805A CN 2010102878775 A CN2010102878775 A CN 2010102878775A CN 201010287877 A CN201010287877 A CN 201010287877A CN 102402805 A CN102402805 A CN 102402805A
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- acceleration
- electric wire
- drive recorder
- acceleration transducer
- serial bus
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Abstract
The driving recorder (D) of the present invention is provided with a camera (2) on a vehicle, an acceleration transducer (3) capable of detecting accelerations of two shafts on back and forth and left and right of the vehicle, a storage apparatus (4) for storing images shot by the camera (2) and accelerations detected by the acceleration transducer, and a recorder side wire (C1) connecting with vehicle power supply and providing electric power to the camera, the acceleration transducer and the storage mechanism. One of a 5 needle minisize general serial bus connector (25) and a minisize general serial bus socket (24) is arranged on an end of the recorder side wire; When a voltage signal input exists in an ID pin needle (24d), the camera and the acceleration transducer are driven, and images are stored in the storage mechanism; when no voltage signal input exists in the ID pin needle (24d), the camera and the acceleration transducer are not driven, and images are not stored in the storage mechanism. Accordingly, motions corresponding to a usage status can be carried out.
Description
Technical field
The present invention relates to the drive recorder of the travel conditions of store car.
Background technology
This drive recorder; As disclosed among JP2008221969A, JP2008221970A communique, JP2008225735A, JP2008225976A, JP2008225977A, JP2008226075A, JP2008257616A, JP2008257617A, the JP2008257618A; Be provided with: be located at autobicycle video camera, be used for detecting autobicycle acceleration acceleration transducer and be used for constantly storing the storing mechanism of image that video camera is taken the photograph; The acceleration information situation that ground surpasses threshold value more than the lasting set time as trigger condition (ト リ ガ), read the image stored in the storing mechanism and detect trigger condition before and after image store in the storage card.
These video cameras, acceleration transducer and the control device that is provided with storing mechanism are not integrally formed, but are arranged on the cart respectively scatteredly, with electric wire (コ one De) they are electrically connected, and play the effect of drive recorder.
And; Above-mentioned drive recorder is set to fixed; Do not consider it is pulled down from cart, but pull down the storage card of having stored image information, read the storage card image information stored with external units such as PCs and confirm image from drive recorder.
Summary of the invention
When that kind is confirmed image as stated; Pull down storage card from drive recorder; Read this storage card with external unit; But external unit does not have the hardware that is used for reading this storage card sometimes, has made things convenient for if can be through being connected drive recorder with external unit from external unit storage card be just read.
Existing drive recorder; Can't differentiate carry in vehicle, use, need photograph and the situation of sense acceleration with video camera, still be connected with external unit the image that is used for confirming in the storage card, need not photograph and the situation of sense acceleration with video camera.
Therefore; Automatically begin photography and acceleration detection if set lift-launch for through connecting accessory power supply on vehicle; So, when be used for the external power source of supply capability when connecting, drive recorder will begin photography and acceleration detection; Therefore the user has to specially drive recorder carried out manual operation, thereby trouble.
At this, the present invention is in order to improve above-mentioned unfavorable condition and to propose, and purpose provides a kind of drive recorder that can correspondingly move with behaviour in service.
In order to reach above-mentioned purpose, the solution gimmick of problem of the present invention does, a kind of drive recorder, and this drive recorder is provided with: the video camera of being located at vehicle; The acceleration transducer that can detect two the acceleration all around of vehicle at least; Be used to store the storing mechanism of the acceleration that image that video camera is taken the photograph and acceleration transducer detect; With can be connected with vehicle power supply and towards the register side electric wire of video camera, acceleration transducer and storing mechanism supply capability; It is characterized in that; Be provided with the micro universal serial bus connector of 5 pins (5 ピ Application) and the side in the micro universal universal serial bus socket in the end of register side electric wire; When the voltage signal that exists from the input of ID pin; Drive video camera and store storing mechanism into, when not existing, do not drive video camera and acceleration transducer, do not store image information into storing mechanism from voltage signal that the ID pin is imported with acceleration transducer and image information.
According to drive recorder of the present invention; In the occasion that has the input of voltage signal from the ID pin; Drive video camera and acceleration transducer and store image information the common action of storing mechanism into, the occasion there is not the input of voltage signal from the ID pin does not drive video camera and acceleration transducer, does not store image information into storing mechanism; Thereby; Drive recorder self can judge and be in the needs of lift-launch on the vehicle situation with acceleration detection of photographing, and still is in to be connected with external unit such as PC and need not to photograph and the situation of acceleration detection, carries out and the behaviour in service corresponding action.
Therefore, can not occur beginning to photograph, cause file to be updated to the such state of affairs of new file, can when carrying on vehicle, begin automatically to photograph, can avoid forgetting the situation of photographing comprising important image information because of being connected with external unit.
And then because drive recorder self and behaviour in service are correspondingly moved, therefore, the user need not specially drive recorder to be carried out manual operation and selects, controls, and also has the advantage that can alleviate user's burden.
Description of drawings
Fig. 1 is the front axonometric drawing of a drive recorder in the embodiment.
Fig. 2 is the rear end side axonometric drawing of a drive recorder in the embodiment.
Fig. 3 is the sectional view of a drive recorder in the embodiment.
Fig. 4 is the axonometric drawing of a fabricated section on the case side support in the embodiment.
Fig. 5 is the axonometric drawing of a vehicle side support in the embodiment.
Fig. 6 is the axonometric drawing under the state that the rear end side cover is opened of a drive recorder in the embodiment.
Fig. 7 is a decomposition axonometric drawing of observing the drive recorder the embodiment from the bottom.
Fig. 8 is the decomposition axonometric drawing that carries out the drive recorder in the embodiment and vehicle power supply wire connecting.
Fig. 9 is the loop diagram of drive recorder in the embodiment and vehicle power supply wire connecting.
Figure 10 is the axonometric drawing of drive recorder in the embodiment and vehicle power supply wire connecting.
Figure 11 is the figure of hardware configuration of the drive recorder of an embodiment of expression.
Figure 12 is the example of block diagram of the part of the action in the drive recorder of an embodiment of expression.
Figure 13 is the example of block diagram of the part of the action in the drive recorder of an embodiment of expression.
Embodiment
Below, according to illustrated embodiment explanation the present invention.Drive recorder D in embodiment; Like Fig. 1~shown in Figure 8; Be provided with video camera 2, the acceleration transducer 3 that can detect to two the acceleration all around of vehicle and be used to store 2 in video camera take the photograph acceleration that image and acceleration transducer 3 detect as the memory storage 4 of storing mechanism and the control device 5 that they are controlled; In this occasion; Said each one, promptly video camera 2, acceleration transducer 3, memory storage 4 and control device 5 are housed in the housing 1, are installed on the cart through this housing 1.
Below be elaborated.Housing 1 is provided with: the enclosure body 10 of the tubular of video camera 2, acceleration transducer 3, memory storage 4 and control device 5 is accommodated in inside; Be located at the bottom of enclosure body 10, and can carry out the case side support 11 freely installed and removed with respect to the vehicle side support 7 of the handle of controlling cart; Be provided with photographic window 12a, the front end opening of enclosure body 10 carried out the front end end cover 12 of obturation; Open rearward end portion to enclosure body 10 carries out inaccessible rear end cap 13; Be located at the opening 14 of the bottom of enclosure body 10; With split 14 and carry out inaccessible partition member 19.
As depicted in figs. 1 and 2, vehicle side support 7 is provided with the support mounting or dismounting 7a of portion of the fabricated section 11c that clasps case side support 11, the handle part 7b integrated and that the handle H of cart is controlled with the support mounting or dismounting 7a of portion.Vehicle side support 7 can serve as that axle rotates around axle with handle H, can regulate the installation attitude to handle H.And; The support mounting or dismounting 7a of portion is formed the socket of コ font; Fabricated section 11c through case side support 11 inserts from the side, this fabricated section 11c is clasped and integrated by the support mounting or dismounting 7a of portion, when body 11a inserts the support mounting or dismounting 7a of portion fully; Pawl 11d, 11d and the pawl 7c, the 7c that are arranged on support mounting or dismounting portion 7a rear end engage, and case side support 11 is fixed on the vehicle side support 7.When pushing pawl 11d, when 11d makes it closer to each other, being disengaged with pawl 7c, the engaging of 7c of the support mounting or dismounting 7a of portion, thereby can pulling out fabricated section 11c towards the side and pull down case side support 11 from vehicle side support 7 from the support mounting or dismounting 7a of portion.
Front end end cover 12 is provided with photographic window 12a, thereby can in housing 1, photograph to front the place ahead of housing 1 with video camera 2, this occasion, and lens mounting 15 on photographic window 12a, sealed by not shown seal member between lens 15 and the front end end cover 12.Therefore, this occasion, front the place ahead that video camera 2 is used as enclosure body 10 to photography direction is arranged on the front of enclosure body 10, thereby can photograph by scioptics 15.
Be provided with lens separately at video camera 2, perhaps in the occasion that lens need not be set, as long as photographic window 12a is inaccessible with the transparent plate of resin, glass formation.And in this occasion, video camera 2 still, in addition, for example also can use the video camera that has adopted CMOS (ComplementaryMetal Oxide Semiconductor) for being provided with the CCD camera of CCD (charge bonded element, not shown).
And; Vehicle side support 7 can rotate with respect to handle H; And then; Enclosure body 10 can be with respect to case side support 11 towards lateral rotation, thereby can adjust enclosure body 10 arbitrarily with respect to the installation site of cart and the photography direction of video camera 2, makes video camera 2 hope that the scope of photographing the user.
And then rear end cap 13 is provided with display part 17 and action button 18, and display part 17 can show the information of needs in setting situation on the function of drive recorder D, the operation.And, can operate the various settings on the function of carrying out drive recorder D to action button 18 through the user.
In addition, the O-ring seal 13a of ring-type is installed in the periphery of rear end cap 13, when with the open rearward end portion of rear end cap 13 inaccessible enclosure body 10, O-ring seal 13a closely connected in the openend of enclosure body 10 week, stop water or dust etc. to invade enclosure body 10.During with the inaccessible enclosure body 10 of rear end cap 13, hang over the hook 13b on the top that is fixed on rear end cap 13 with pin on the hang part 10a that is located at enclosure body 10 upper ends, thereby, can be fixed on rear end cap 13 the open rearward end portion of enclosure body 10.
Be provided with the insertion mouth 31 of the SD storage card 33 that is used for inserting a part that constitutes memory storage 4 in the rear end of enclosure body 10, SD storage card 33 is connected with card connector 32 after inserting and should inserting mouthfuls 31.
Then, be provided with the opening 14 that is roughly rectangle in the bottom of enclosure body 10, this opening 14 is separated parts 19 obturations.Partition member 19 is provided with fenestella 19a, makes power supply terminal 6 facing to this fenestella 19a, thereby can link power supply terminal 6 from the outside through fenestella 19a.In addition, on partition member 19, fixing loudspeaker 20, this loudspeaker 20 can send chimes of doom based on the instruction of control device 5.
And fenestella 19a is centered on by endless groove 19b, and 19b has been embedded in annular seal 21 at this endless groove.
In addition, in this occasion, power supply terminal 6 is the plug-type terminals that are made up of 6 pins (ピ Application), and wire terminal 23c is made up of 6 the female type pins (ピ Application) that insert above-mentioned pin.And; This wire terminal 23c is kept by connector 23; This connector 23 can be entrenched among the fenestella 19a of end of the electric wire body 22 of being located at register side electric wire C1; This connector 23 is provided with and seal 21 root 23a in opposite directions and the leading section 23b that erects that the back is inserted in the fenestella 19a and wire terminal 23c is kept from root 23a.One in the female type pin of wire terminal 23c is illusory, and one in the pin of power supply terminal 6 is illusory too.
Register side electric wire C1 as link to each other with power supply terminal 6 above-mentioned and as after state and housing 1 integrated; Extend towards foreign side from the bottom of enclosure body 10; If but under this state, it is not carried out any support; This register side electric wire C1 can swing because of the vibration of cart in going, the bending stresses that effect is bigger repeatedly such as installation portion that may install root 23a etc. with the connector 23 of electric wire body 22, and produce deterioration in advance.At this, this drive recorder D, that kind as shown in Figure 6; The sidepiece setting of clasping ring 11a on case side support 11 be used for the holding the record hook-shaped electric wire maintaining part 11f of device side electric wire C1; Through this electric wire maintaining part 11f device side electric wire C1 that holds the record, thereby, suppress than of the repeatedly effect of macrobending stress register side electric wire C1; Suppress the deterioration of this register side electric wire C1, thereby can prolong the life-span of drive recorder D.As long as the electric wire maintaining part is arranged on the housing 1, therefore, even be arranged on beyond the case side support 11, for example be arranged on the enclosure body 10 also passable, and, the device side of not only holding the record electric wire C1, and can keeping to mains side electric wire C2.And then, about the shape of electric wire maintaining part 11f,, thereby be not limited to above-mentioned hook-shaped as long as can hold the record device side electric wire C1 or mains side electric wire C2.
And; The drive recorder D of this embodiment; Be used in being housed in housing 14 power supplies of video camera 2, acceleration transducer 3, storing mechanism and also have the electric wire of the possibility of swinging because of body vibrations, for register side electric wire C1 and coupled mains side electric wire C2, compare with existing drive recorder; The radical of electric wire is few and reduced electric wire damage chance; And the electric wire maintaining part 11f that register side electric wire C1 or mains side electric wire C2 are located at housing 1 keeps, therefore; Make register side electric wire C1 and coupled mains side electric wire C2 when body vibrations, can not produce significantly swing, suppressed the deterioration of register side electric wire C1 and coupled mains side electric wire C2.
Like this, the deterioration of register side electric wire C1 and coupled mains side electric wire C2 is able to be suppressed, and therefore, has improved electric wire and has changed frequent and cause the high problem of maintenance cost.
By the way; Register side electric wire C1; Be provided with: be provided with in inside 5 not shown leads electric wire body 22, be located at the electric wire side terminal 23c of an end of electric wire body 22; With micro universal universal serial bus (miniUSB) socket (レ セ Network タ Block Le) 24 of 5 pins as the terminal of the other end of being located at electric wire body 22, the pin of micro universal universal serial bus socket 24 is connected with the female type pin of corresponding wire side terminal 23c through above-mentioned 5 leads respectively.Passing through of stating after above-mentioned micro universal universal serial bus socket 24 the is provided with power supply pin 24a that mains side electric wire C2 is connected with vehicle power supply, ID pin 24d, GND pin 24e and two signal pin 24b, 24c.Micro universal universal serial bus socket 24 can use any in A type, the Type B specification.
And; Like Fig. 8 and shown in Figure 9, mains side electric wire C2 is provided with: be located at the micro universal serial bus connector 25 of 5 pins of the terminal that two terminals 26,27 that are connected with vehicle power supply of an end, the conduct of being located at the other end can be connected with micro universal universal serial bus socket 24, the DC/DC converter 28 of being located at buck midway, the two lead 29a, the 29b that are used for being connected terminal 26,27 with input terminal 28a, the 28b of DC/DC converter 28 respectively, be used for the lead-out terminal 28c of DC/DC converter 28 and the power supply pin 25a of micro universal serial bus connector 25 lead 30a that is connected with ID pin 25d and the lead 30b that is used for being connected the GND pin 28d of DC/DC converter 28 with the GND pin 25e of micro universal serial bus connector 25.Two signal pin 25b of micro universal serial bus connector 25,25c lie idle it with everywhere not linking to each other.In this embodiment; On register side electric wire C1, be provided with micro universal universal serial bus socket 24; On mains side electric wire C2, be provided with micro universal serial bus connector 25, still, opposite with it; On register side electric wire C1, the micro universal serial bus connector is set, it is also passable that micro universal universal serial bus socket is set on mains side electric wire C2.
DC/DC converter 28 is provided with and is used for dropping to the vehicle power supply of 12V the WV of drive recorder D, thereby can be the power supply of vehicle power supply as drive recorder D.In the occasion that drive recorder D carries out work with vehicle power supply voltage, also can abrogate DC/DC converter 28.
And then; The outer revolution of micro universal universal serial bus socket 24 be provided with freely tubular and at the unitor 40 that has the threaded portion interior week; Periphery at micro universal serial bus connector 25 also is provided with and the stubborn socket 41 that closes of the interior week of unitor 40; Close and remaining under the state that is connected micro universal universal serial bus socket 24 and micro universal serial bus connector 25 integrated securely through twisting unitor 40 and socket 41, their connecting portion is housed in makes it can not receive the interference of rainwater, dust etc. in the unitor 40.
In addition; In the periphery of micro universal universal serial bus socket 24 and the periphery of micro universal serial bus connector 25; Difference that kind shown in figure 10; Be provided with a pair of through hole 42,43 that can insert harness band B or rope through ear circle 50,51, thereby can utilize harness band B etc. micro universal universal serial bus socket 24 and micro universal serial bus connector 25 to be fixed on vehicle frame or the handle etc. of cart.
Like this; Through through hole 42,43 is set; Can be micro universal universal serial bus socket 24 and a side of micro universal serial bus connector 25 or any part that both sides are fixed on cart, therefore, can prevent reliably that micro universal universal serial bus socket 24 and micro universal serial bus connector 25 are unfettered and occur the situation at each position of bump cart because of the vibration of cart in going; The deterioration that can suppress drive recorder D can prolong life-span of drive recorder D.
And then; Because can be micro universal universal serial bus socket 24 and a side of micro universal serial bus connector 25 or any part that both sides are fixed on cart; Therefore; Significantly swinging can not appear when body vibrations in register side electric wire C1 and coupled mains side electric wire C2, has suppressed the deterioration of register side electric wire C1 and coupled mains side electric wire C2.Like this, owing to suppressed the deterioration of register side electric wire C1 and coupled mains side electric wire C2, thereby also improved electric wire in this and changed the problem frequent, that maintenance cost is high.
In addition, because through through hole 42,43 is set, can therefore, also improve the lift-launch property of drive recorder D a side of micro universal universal serial bus socket 24 and micro universal serial bus connector 25 or both sides' easy fixation at any part of cart.Micro universal universal serial bus socket 24 is being connected use with micro universal serial bus connector 25, therefore, also can through hole 42,43 be set any side.
Insert the leading section 23b of the connector 23 on the register side electric wire C1 in the fenestella 19a; With power supply terminal 6 with after electric wire side terminal 23c is connected; Through close the pressing plate 16 that is fixed on the partition member 19 and push root 23a towards the below by twisting; Thereby be fixed on connector 23 on the partition member 19, make register side electric wire C1 and housing 1 integrated.
At this moment and since the root 23a of connector 23 above be close on the seal 21, thereby as between the partition member 19 of the part of housing 1 and the connector 23 by tight seal; Can prevent reliably that sealing or dust invades from fenestella 19a; Even go in the rainy day, power supply terminal 6 can not drenched by rainwater with the connecting portion of wire terminal 23c yet, can further improve reliability and the practicality of drive recorder D; And then, can further prolong life-span of drive recorder D.
Like this with connector 23 fixing after, be entrenched in opening 14 to decorative panel 44, fix and opening 14 covered through screw thread, hidden partition member 19 has improved drive recorder D with the connecting portion of connector 23 outward appearance.Decorative panel 44 has not shown a plurality of slotted holes, is to consider not block the sound that sends from loudspeaker 20.
And control device 5 is for example shown in figure 11, is provided with: CPU (CentralProcessing Unit) 51; The RAM (RandomAccess Memory) 52 of memory block is provided to above-mentioned CPU51; Interface 54, this interface 54 is connected with video camera 2, acceleration transducer 3, display part 17 and action button 18; ROM (Read Only Memory) 55, this ROM55 stores CPU51 carries out application program that required processing implements or operating system etc. for the function of controlling video camera 2, acceleration transducer 3 and memory storage 4 performance drive recorder D program; With the bus 53 that is connected CPU51, RAM52, ROM55, interface 54 and card connector 32.And memory storage 4 is provided with card connector 32 and SD storage card 33, and storing mechanism is made up of control device 5 and memory storage 4.
Then; Acceleration transducer 3 is basically so long as can detect 2 acceleration all around just passable of cart; In the occasion that will obtain more to add velocity information, also can use 3 acceleration transducer of the acceleration of the above-below direction that can detect housing 1.And acceleration transducer 3 specifically, for example can adopt piezoelectric type, semiconductor piezoelectricity (ピ ア ゾ) resistance-type, electrostatic capacity type, other various acceleration transducers.
And; Acceleration transducer 3 is by the sample period of regulation; For example 2 the acceleration all around of the cycle detection housing 1 of 10ms (microsecond) is exported the acceleration signal as analog voltage signal, converts this acceleration signal to digital signal input control device 5.
On the other hand, video camera 2 continues photography at this camera coverage always, becomes the image transitions of being taken the photograph electric signal to control device 5 outputs.Image has been done the explanation of broad sense, and image also comprises animation except rest image.
Shown in an example of the flow chart of Figure 12; Video camera 2 continues to photograph, acceleration transducer 3 continues sense acceleration (step S1); When control device 5 obtains from the acceleration information of the image information of video camera 2 and acceleration transducer 3 detections; The acceleration information in the moment of obtaining this image information, date and time are marked Seki relatedly connect a pair け) at this image information (step S2); In case it is stored in RAM52 or the SD storage card 33, has accumulated the image information of predefined photography time amount; Then all images information of accomplishing related mark and in above-mentioned photography time, obtain is summed up and generated a file (step S3, S4) together, it is stored in (step S5) in the SD storage card 33 by card connector 32.After this, after the image information of having accumulated the photography time amount, generate new file according to identical order.Like this, control device 5 is spanned file in order, and is stored in the SD storage card 33, and after being filled with above-mentioned file in the SD storage card 33, new file is deleted and stored to the ancient deed outside the file of forbidding covering in order.
Said operation in the accessory power supply connection of cart and when power supply terminal 6 drops into electric power, till the acceleration that accessory power supply cuts out or acceleration transducer 3 detects surpasses threshold value, is proceeded times without number.
And; In detail; Follow at the micro universal universal serial bus socket 24 of register side electric wire C1 and to be connected with vehicle power supply and the micro universal serial bus connector 25 of the mains side electric wire C2 of input voltage signal connects in ID pin 25d occasion; When accessory power supply was connected, control device 5 detected an input with voltage signal in the pin of the power supply terminal 6 that is connected with the ID pin 25d of micro universal serial bus connector 25 through register side electric wire C1, began to photograph and with acceleration transducer 3 sense acceleration with video camera 2; Spanned file also stores in the SD storage card 33, and each one is played a role as drive recorder D.
To this; The occasion that connects with the micro universal serial bus connector of the USB lines that are connected with not shown external units such as microcomputer at the micro universal universal serial bus socket of register side electric wire C1 24; Because do not have input voltage signal on the ID pin of the micro universal serial bus connector of external apparatus; So, even on power supply terminal 6, exist electric power to supply with, owing on of the pin of the power supply terminal 6 that is connected with the ID pin 24d of micro universal universal serial bus socket 24, there is not the input of voltage signal; So; Control device 5 does not make any work in video camera 2, the acceleration transducer 3, and the external memory that makes SD storage card 33 be used as PC carries out work, thereby can the external apparatus side be operated by the file in the SD storage card 33.
Promptly; Drive recorder D according to this embodiment; Can judge drive recorder D self to carry on vehicle and be in the state that needs photography and acceleration detection; Still is connected with external unit such as PC and is in and need not photograph and the state of acceleration detection, corresponding behaviour in service is moved.
Therefore, can not upgraded such state of affairs by new file, when carrying on vehicle, can begin photography automatically, and can avoid photography to pass out of mind because of be connected the file that causes beginning photographing, comprise important images information with external unit.
Like this, drive recorder D self and behaviour in service are moved adaptably, thereby the user need not specially through manual operation the action of drive recorder D to be selected or controlled, and has the advantage that alleviates user's burden.
In addition, generate the photography time of a file, the user can be by need the selecting in the photography time span of certain degree of user, for example, can set for the photography time of a file be appointed as 15 fens, 30 minutes, 60 minutes, 120 minutes.Promptly; For example; In the occasion of setting photography time for 15 minutes; Control device 5 is being accumulated 15 timesharing to the image information of video camera 2 photographies, sums up the image information of attaching the photography time amount that acceleration information, time on date etc. are arranged explicitly and generates a single file together, and store in the SD storage card 33.
Owing to can so change the photography time that generates a file, therefore, can specify and the running time corresponding photographic time, can obtain the required image information of user.And, owing to can specify and the running time corresponding photographic time, so the user can obtain accommodating the file of the image information that does not have seam midway.
In addition, shown in an example of the process flow diagram of Figure 13, control device 5, two the acceleration all around of the cart of acceleration transducer 3 outputs with correspond respectively to this each acceleration preset threshold in advance and compare (step S6); Surpass above-mentioned threshold value as condition with the side in the acceleration all around of acceleration transducer 3 detections; When condition is reached; From the moment that condition is reached; Be to begin to continue the stipulated time under this occasion, for example continued for 10 seconds and photograph and acceleration detection (step S8) from the moment of above-mentioned acceleration above threshold value; No matter the photography time of setting how, file is generated (step S9); The file storage (step S10) in SD storage card 33 that generates, the processing (step S11) of forbidding covering this document simultaneously; Above photography, acceleration detection and file generate the power supply (step S12) that whole processing among such drive recorder D are over and close drive recorder D.Control device 5 shows not fluctuating acceleration, judges that in step S6 acceleration surpasses the occasion of threshold value, implements processing thereafter as relay process.And, having been implemented to forbid covering the file of processing, can not upgrade automatically because of the use of thereafter drive recorder D, forbid that the processing that covers, drive recorder D self are the files that can it be replaced into other only if remove through manual operation.Specifically; For example; When SD storage card 33 writes new file, in SD storage card 33, do not use off-capacity when being used for storing this new file, as long as confirm file attribute; The file that deletion is not forbidden covering, be the file of old rise time, store above-mentioned new file and get final product.
Therefore;, cart has an accident in going and when detecting the acceleration above threshold value; Exist produced before the accident by the occasion of the image information before the documentation; The image information that control device 5 obtains photography in the 10 second time after the accident from the accident adds together with said image information by before the documentation of being produced before the accident, with they as a blanket file storage in SD storage card 33.Therefore; Be retained in the image information of production in long-time after the accident before from the accident in the memory storage 4 as a file; Can confirm a part of reason of accident, not only be easy to confirm culprit, and can not lose the important images information that to confirm culprit.
In addition; Be included in the above-mentioned file of image information that acceleration surpasses the moment production of threshold value owing to forbid covering, therefore, when restarting after the accident to photograph etc.; Above-mentioned file can not be capped and lose, and can reliably stop the loss of the important image information that is used for confirming culprit.
And then because the image information in storing mechanism, also having stored when taking place except that accident, therefore, the user can be with reference to accident image information in addition, can be used to improve the peripheral scenery of road that oneself driving technology or appreciation were gone.
And; After the photography of stipulated time after accident takes place; The power supply of drive recorder D is cut off; Can not photograph, acceleration detection, file generate and all processing such as file storage, therefore, can in storing mechanism, reliably keep the file of the image information of a part of reason that comprises the accident of having produced.
And; In the drive recorder D of this embodiment; The judgement that whether surpasses threshold value for acceleration in the control device 5 is; Surpass the occasion of threshold value at acceleration transducer 3 with the continuous stipulated number of the acceleration ground of the sample period sampling of regulation, be used as acceleration above threshold value and spanned file with file storage in memory storage 4.Promptly; Acceleration accumulative total stipulated number and surpass threshold value in set time of obtaining in the sample period as condition; To comprise the file that carries out the image information after the stipulated time photography from the moment that this condition is reached and generate, and with file storage in memory storage 4.Like this, the condition that file generates when not only being used as accident to acceleration above threshold value also can be the acceleration condition that file generates when the set time surpasses threshold value as accident.In addition; The said fixing time is not that expression is unalterable, immutable, and only be for reach as condition after stipulated time of photography time distinguish and be called " set time " easily; As after state, setting change that can be through the user.
Once also be used as condition if surpass threshold value to acceleration merely; During the interference in detecting noise or going causes suddenly big acceleration; Will judge by accident and be decided to be accident; But, such surpass the occasion of threshold value to acceleration in the set time above-mentioned as condition, have the false judgment that can eliminate noise or interference and cause, the advantage of ability high Precision Detection accident.
And, have the upper limit on the balance of sample period and set time, and afore mentioned rules number of times and threshold value can be set by the user.Like this; Condition of road surface, pavement behavior, the pattern that the vehicle of drive recorder D is set, the custom of going that after this user can corresponding go; Stipulated number and threshold value are changed; Therefore, can by control device 5 be provided with the pattern of the vehicle of drive recorder D, the custom of going, travel situation, pavement behavior and correspondingly judge.
And then; The drive recorder D of this embodiment; As above-mentioned, housing 1 when handle H etc. installs, through the operation of user to action button 18; The attitude that acceleration transducer 3 in stopping by Straddle riding type vehicle is installed towards vehicle is by the initial value of acceleration transducer 3 sense acceleration; And it is stored in the control device 5 as offsetting (オ Off セ Star ト) acceleration, remove in the acceleration that detects by acceleration transducer 3 hereafter and offset acceleration, the influence that exists with ... the gravity in sense acceleration attitude, that be included in acceleration transducer 3 that acceleration transducer 3 installs towards vehicle is got rid of.
Therefore, the drive recorder of this embodiment can not exist with ... the installation attitude of acceleration transducer 3, and precision detects the acceleration that exists with ... the vehicle that going of vehicle produced well, generation that can precision detection accident well.
In addition; Even owing to when the detection axle of acceleration transducer 3 is two, does not correctly install, when the detection axle of acceleration transducer 3 is three, correctly do not install towards the above-below direction all around of vehicle towards the direction all around of vehicle; Also can correctly detect the acceleration of all directions of vehicle; Therefore, being easy to a drive recorder D is arranged on the vehicle.
And then; In this drive recorder D, in housing 1, be provided with auxiliary power 35, shown in an example of the process flow diagram of Figure 13; In driving, supply with (step S7) when interrupting from the electric power of vehicle power supply; Even acceleration surpasses threshold value, control device 5 is also accepted electric power from auxiliary power 35 and is supplied with, identical action when photography, acceleration detection (step S8) and the file that carried out for 10 times in second generates (step S9) and store (step S10) etc. to SD storage card 33 and take place with accident.Promptly; In the drive recorder D of this embodiment; Acceleration transducer 3 detected acceleration surpass threshold value or acceleration surpasses threshold value in the set time satisfying; And supply with any situation of interrupting wherein as condition, when condition is reached, in the stipulated time in the moment of reaching from condition from the electric power of vehicle power supply; Be during 10 seconds, to continue to photograph and acceleration detection under this occasion; Though the photography time that sets how all spanned file and the file storage that generates in SD storage card 33, forbid covering the processing (step S10, S11) of this document simultaneously, the power supply (step S12) that the whole backs of finishing dealing with among the drive recorder D such as above photography, acceleration detection and file generation are cut off drive recorder D.
In detail; Even acceleration does not surpass threshold value; When cart comes in contact with something or overturning and causing is connected with vehicle power supply register side electric wire C1 or mains side electric wire C2 broken string or accessory power supply are closed, supply with from the electric power of vehicle power supply and to be cut off, therefore; Exist from produce before the state of affairs takes place, by the occasion of the image information before the documentation; Control device 5, during 10 seconds thereafter that beginning takes place from this state of affairs in the image information of production, add this from produce before the state of affairs takes place, by documentation image information before; With they as a total file storage in SD storage card 33, with the power-off of drive recorder D.
Therefore; Not only according to the acceleration detection accident; And; Causing electric power to supply with even certain abnormal conditions take place vehicle interrupts such state of affairs, also can be retained in the image information of production before and after this state of affairs takes place in the memory storage 4 as a file, can confirm a part of cause of this state of affairs.
And; Even supply with the occasion of interrupting at electric power; Also file is generated and stored, so, even in the occasion that can not carry out based on the accident detection of acceleration; Also improved the possibility that can detect, the image information when generation that can high precision understanding accident, storage accident to the overturning or the contact accident of cart.
In addition, because coverings that be under an embargo of above-mentioned file, so, supply with when electric power when recovering, recovering to photograph etc., can not occur being capped and make the situation of information loss, can be really the loss of the image information that might take place for accident be stoped.
And then; After the photography of the stipulated time of in electric power is supplied with, having no progeny; The power supply of drive recorder D is closed; All processing such as photography, acceleration detection, file generation and file storage are not all implemented, and therefore, the file that includes the image information of accident possibility occurrence can reliably be retained in the storing mechanism.
And then; In driving, supply with when interrupting, file is generated and stored in the SD storage card 33, therefore from the electric power of vehicle power supply; Even from once after the storage of SD storage card 33 ends, supply with the quantity of information of the image information of producing till interrupting to electric power less; Photography time does not have under the occasion of spanned file less than the photography time of as above-mentioned, setting, and when the user is stopped Straddle riding type vehicle and when closing accessory power supply, supplies with from the electric power of the vehicle power supply in driving to be interrupted; Thereby; Control device 5 with describe likewise before, accept to supply with from the electric power of auxiliary power 35, carry out photography in 10 seconds, acceleration detection and spanned file and action such as store to SD storage card 33.Therefore, even in the not enough occasion of file size, the user just need not operate and can file be generated and stored in the memory storage 4 going at the end, the preservation that conveniently can not omit the image of being produced.
In addition; Can sign in to the threshold value of drive recorder D with respect to each acceleration of two; Have two respectively, one is the threshold value that is used for the generation of detection accident, the photography that stops video camera 2, spanned file and stores to SD storage card 33, although and another is lower than this threshold value; But can set the desirable value arbitrarily of user for as the acceleration of the unlikely degree of causing accident threshold value by way of caution.
Surpass the occasion of this warning threshold at the acceleration of correspondence, control device 5 makes loudspeaker 20 sound that gives a warning, and informs to the user of steering vehicle to have detected dangerous acceleration.Therefore, among the drive recorder D in this embodiment, when surpassing warning threshold; Make loudspeaker 20 that warning take place; Therefore, the user hears that warning will discover the situation that the driving variable of self gets roughly or speed becomes too fast, can preventing trouble before it happens accident.
Owing to judging acceleration whether during above this warning threshold, carry out above-mentioned judgement after as above-mentioned, getting rid of the influence of gravity of the installation attitude that exists with ... housing 1, therefore, can irrespectively accurately the user be given a warning with the installation attitude of housing 1.
And; As above-mentioned; According to the drive recorder D of this embodiment,, drive video camera and acceleration transducer and store image information into the common action of storing mechanism in the occasion that has the input of voltage signal from the ID pin; In the occasion that does not have the input of voltage signal from the ID pin; Do not drive video camera and acceleration transducer, do not store image information into storing mechanism, thereby drive recorder self can be judged the needs of lift-launch on the vehicle situation with acceleration detection of photographing that is in; Still be in and be connected with external unit such as PC and the situation with acceleration detection of need not photographing, carry out and the behaviour in service corresponding action.
Therefore, can not occur beginning to photograph, cause file to be updated to the such state of affairs of new file, can when carrying on vehicle, begin automatically to photograph, can avoid forgetting the situation of photographing comprising important image information because of being connected with external unit.
And then because drive recorder self and behaviour in service are correspondingly moved, therefore, the user need not specially drive recorder to be carried out manual operation and selects, controls, and also has the advantage that can alleviate user's burden.
And; In housing 1, accommodated for the needed video camera of the effect of playing drive recorder D 2, acceleration transducer 3, memory storage 4 and control device 5 etc. all under the occasion of hardware; Can make being provided with easily of vehicle carried out, can improve lift-launch property to vehicle.
And; In housing 1, accommodated under the occasion of whole hardware, be convenient to carry drive recorder D, easily vehicles such as Straddle riding type vehicle, automobile have been installed and removed; Take away so when leaving vehicle, can drive recorder D be pulled down, can prevent that drive recorder D is stolen.
More than accomplished explanation to embodiment of the present invention, still, the detailed content that scope of the present invention has been not limited to illustrate or explain certainly.
Utilizability in the industry
The present invention can be used as the drive recorder of the travel conditions of store car.
Claims (2)
1. drive recorder, this drive recorder is provided with: the video camera of being located at vehicle; The acceleration transducer that can detect two the acceleration all around of vehicle at least; Be used to store the storing mechanism of the acceleration that image that video camera is taken the photograph and acceleration transducer detect; With can be connected with vehicle power supply and towards the register side electric wire of video camera, acceleration transducer and storing mechanism supply capability,
It is characterized in that; Be provided with the micro universal serial bus connector of 5 pins and the side in the micro universal universal serial bus socket in the end of register side electric wire; When the voltage signal that exists from the input of ID pin; Drive video camera and store storing mechanism into, when not existing, do not drive video camera and acceleration transducer, do not store image information into storing mechanism from voltage signal that the ID pin is imported with acceleration transducer and image information.
2. drive recorder as claimed in claim 1; It is characterized in that; Be provided with the mains side electric wire that is connected with vehicle power supply; Micro universal serial bus connector with the end that is arranged on register side electric wire is connected with a side in the micro universal universal serial bus socket, and, be set at the end of said mains side electric wire from the opposing party ID pin output supply voltage, micro universal serial bus connector and the micro universal universal serial bus socket.
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CN201010287877.5A CN102402805B (en) | 2010-09-16 | 2010-09-16 | Drive recorder |
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CN201010287877.5A CN102402805B (en) | 2010-09-16 | 2010-09-16 | Drive recorder |
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CN102402805A true CN102402805A (en) | 2012-04-04 |
CN102402805B CN102402805B (en) | 2015-08-26 |
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US4613939A (en) * | 1984-08-08 | 1986-09-23 | Caterpillar Industrial Inc. | Programmable service reminder apparatus and method |
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