CN102682498B - For the information-recording apparatus of vehicle - Google Patents
For the information-recording apparatus of vehicle Download PDFInfo
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- CN102682498B CN102682498B CN201210065722.6A CN201210065722A CN102682498B CN 102682498 B CN102682498 B CN 102682498B CN 201210065722 A CN201210065722 A CN 201210065722A CN 102682498 B CN102682498 B CN 102682498B
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Abstract
One to be suitable for when particular event occurs the cycle or to obtain information of vehicles continuously, and is suitable for the information-recording apparatus that automatically information got is recorded on predetermined recording medium.Described information-recording apparatus comprises: recording medium maintaining part, consists of keep two or more recording medium respectively simultaneously under the dismountable state of each recording medium; And information write control part, when recording medium maintaining part keeps multiple recording medium, at least one of distributing in multiple recording medium of this information write control part is master record medium, and at least one of distributing in residue recording medium is secondary recording medium, and according to being assigned to the priority of master record medium and secondary recording medium, automatically ensure the region as the record destination of wherein one or both information obtained from described master record medium and secondary recording medium.
Description
Technical field
The present invention relates to a kind of information-recording apparatus for vehicle, this equipment periodically or continuously obtains the predetermined information of vehicle when the state of affairs that happens suddenly occurs, and the information obtained is automatically stored in predetermined storage medium, and more particularly, this equipment can also guarantee the storage area of the obtaining information for recording.
Background technology
In the prior art, Tachographs or digital revmeter have been used as the equipment of the information that automatic registration of vehicle obtains.This kind of in-vehicle device is used for automatic acquisition data with the analysis of the running status of the analysis or business vehicle of carrying out traffic accident causation.
When detect in such as traffic hazard there is large acceleration time, Tachographs substantially has and is automatically stored on non-volatile storage medium of such as storage card by the data record of the image in such as car captured by camera.
Digital revmeter has periodically or obtains the function of various vehicle-related information continuously, such as: vehicle speed, engine speed, braking state or vehicle location, or when the specific state of affairs occurs automatically these data stored and be recorded on the non-volatile storage media of such as storage card.
Such as, JP-A-2008-123498 discloses a concrete technology about Tachographs.In JP-A-2008-123498, the view data etc. of being taken by camera is recorded in volatile memory in continuous mode in turn as ephemeral data.Further, if meet the predetermined state of presentation of events generation, carry out controlling to make the ephemeral data read from storer be written into and be stored in non-volatile storage card.Particularly, such as: when detecting that the large acceleration of vehicle occurs or when stopping from the power supply supply of vehicle, ephemeral data is written on storage card.
[patent documentation 1] JP-A-2008-123498
In this, even if power supply supply is cut-off, also needs the information keeping obtaining from the information-recording apparatus of vehicle, and expect the content of the information can analyzing the record extracted from in-vehicle device.Therefore, as disclosed in JP-A-2008-123498, need final data to be stored on the nonvolatile recording medium of such as storage card.
Along with the data capacity that can record increases year by year, the data with large information capacity that this storage card can store or even such as image data is such.Therefore, storage card can be used without any problems as the data record destination of general Tachographs or digital revmeter.
But, such as, for the Tachographs be arranged on commercial vehicle or digital revmeter, need by the mass data record that obtains in very long a period of time on the recording medium, and data are preserved for a long time.Such as, in order to the data whether the driver driving vehicle recording the commercial car for distinguishing such as taxi or truck is safe, every day entry within very long a period of time is needed to have jumbo image or various a large amount of time series data.
Therefore, will constantly be increased by the data capacity of Tachographs or digital revmeter record, therefore, the recording capacity of storage card can become not enough.When the recording capacity of storage card is not enough, record can not be continued, or old data will be capped deletion.But, in order to accurately distinguish the driving condition of driver, may need to obtain data within very long a period of time, therefore, needing to prevent significant data deleted due to the off-capacity of storage card.
Summary of the invention
The advantage of several aspect of the present invention is to provide a kind of information-recording apparatus for vehicle, and this equipment can store the Large Volume Data of the restriction recording capacity exceeding single recording medium.
According to an aspect of the present invention, the information-recording apparatus for vehicle that one has following configuration (1) to (5) is provided.
(1) one to be suitable for when particular event occurs the cycle or to obtain information of vehicles continuously, and is suitable for the information-recording apparatus being used for vehicle that automatically information got is recorded on predetermined recording medium, and described information-recording apparatus comprises:
Recording medium maintaining part, described recording medium maintaining part be configured to recording medium can by the state of independent disassembling under keep multiple recording medium respectively simultaneously; With
Information write control part, when described recording medium maintaining part keeps described multiple recording medium, at least one in the described multiple recording medium of information write control part distribution is as master record medium, and at least one of distributing in other recording mediums is as secondary recording medium, and according to being assigned to the priority of described master record medium and described secondary recording medium, automatically ensure the region as the record destination of wherein one or both information obtained from described master record medium and secondary recording medium.
(2) preferred, the management of described information write control part can select any one first information as described record destination of described master record medium and secondary recording medium, and described master record medium and secondary both recording mediums can be selected as the second information of described record destination, make the described first information and the second information distinguish mutually.
(3) here, preferably, when ensure that the record destination of described second information, described information write control part selects the described master record medium with higher priority as original records destination, and when described master record medium there is no enough clear areas, select the region on described secondary recording medium as recording destination.
(4) preferred, when there is not clear area on described master record medium and secondary both recording mediums, the oldest data of described information write control part searching record in master record medium and secondary recording medium on any one, and delete these the oldest data to guarantee new clear area.
(5) preferred, described information write control part is according to predetermined value, volitional check can distribute to the max cap. of the described first information and the second information respectively, or limits the ratio of the first capacity can distributing to the described first information and the second capacity can distributing to described second information.
According to the information-recording apparatus for vehicle with configuration disclosed in (1), can use simultaneously multiple recording medium automatically guarantee as record destination essential regions, therefore, the Large Volume Data of the restriction recording capacity exceeding unirecord medium can be stored.
According to the information-recording apparatus disclosed in (2) with configuration, can according to the region of the characteristic of the information as record object assignment record destination rightly.Such as, record destination only can be defined in master record medium, the Large Volume Data of the image generated when occurring for such as particular event, also can distribute to master record medium and secondary both recording mediums, for the low capacity data of information of vehicles such as periodically generated with constant interval.
According to the information-recording apparatus disclosed in (3) with configuration, the region can guaranteeing from master record medium and secondary recording medium in turn according to priority.Therefore, which of master record medium and secondary recording medium be the data that user easily can grasp record be present on.
According to the information-recording apparatus disclosed in (4) with configuration, even if when the recording capacity of master record medium and secondary recording medium exhausts, also can new region be guaranteed by means of only deleting legacy data and continue the new data of write.
According to the information-recording apparatus disclosed in (5) with configuration, by setting max cap. or capacity ratio in advance by user, can according to the region of the characteristic of the information as record object assignment record destination rightly.
According to information-recording apparatus of the present invention, the Large Volume Data of the restriction capacity exceeding single recording medium can be stored.Therefore, jumbo data can be recorded within the longer time, and long-time store these data and the capacity limit of single recording medium need not be subject to.
Above, the present invention has been sketched.Further, as follows embodiments of the invention are described by reference to accompanying drawing, the details of invention will be more apparent.
Accompanying drawing explanation
Describe preferred illustrative embodiment of the present invention in detail by reference to accompanying drawing, above object of the present invention and advantage will become more obvious, wherein:
Fig. 1 be the operation of the Tachographs illustrated according to the embodiment of the present invention outline flowchart.
Fig. 2 illustrates the schematic diagram that storage area is distributed in the example on multiple storage medium.
Fig. 3 is the block diagram of the hardware configuration example illustrating Tachographs.
Embodiment
With reference to accompanying drawing, the specific embodiment about vehicle according to the invention information-recording apparatus is described.
In the present embodiment, assuming that described invention to be applied to the Tachographs 100 such as with the structure shown in Fig. 3.But the present invention is not limited to Tachographs, but can be such as applied in digital revmeter or the similar car with identical data writing function on recording unit.
Tachographs 100 shown in Fig. 3 comprises main body 10 in car, multiple individual memory cards 21 and 22, camera 31 and speed pickup 32 in car.In addition, microprocessor (CPU) 11 is set in car, reading and writing memory card 12 in main body 10; Interface (I/F) 13,14 and 15, acceleration (G) sensor 16 and volatile memory (SDRAM) 17.
Microprocessor 11 controls by making preprepared program perform the function that whole equipment realizes Tachographs.Particularly, such as, when trigger is triggered because large acceleration being detected, microprocessor 11 records data within the predetermined time automatically, such as, by the image of photography acquisition.In addition, as common record controls, microprocessor 11 with automatic registration of vehicle data of the constant time interval, as car speed or image.
Storage card reader 12 comprises multiple independent draw-in groove 12a and 12b, and wherein multiple storage card 21 and 22 can be installed simultaneously.As concrete storage card 21 and 22, can use to have the recording medium of the nonvolatile memory of reading and writing data ability wherein built-in, such as SD card or CF card.Storage card 21 can be separated from draw-in groove 12a with 12b when needs with 22.
Accordingly, microprocessor 11 can access the multiple storage cards 21 and 22 be arranged in storage card reader 12 one by one, and can carry out reading and writing data.
Volatile memory 17 is the storeies with literacy, and visits this storer by microprocessor 11 when needed.Because the data stored in volatile memory 17 can be deleted when cutting off the electricity supply, so this volatile memory 17 is for recording the field of ephemeral data.
Acceleration sensor 16 can detect the amplitude of vehicle acceleration.Therefore, such as, acceleration transducer 16 can be used to detect the abnormal conditions whether occurring such as traffic hazard.The signal exported by acceleration sensor is imported into microprocessor 11 by interface 14.Input signal is converted to the signal being suitable for being processed by microprocessor 11 by interface 14.
In car, camera 31 is fixed on vehicle, and for such as periodically or continuous situation in the front scene of shooting travel direction or car.To be taken by camera in car 31 and the signal of the image exported is converted to view data by interface 13, be then imported into microprocessor 11.
Speed pickup 32 exports when the transmission output shaft of vehicle rotates and reaches reservation amount the electric signal being called velocity pulse.The speed pulse signal exported by speed pickup 32 is imported in microprocessor 11 by interface 15.By the generation state of monitoring velocity pulse, translational speed (speed of a motor vehicle) or the amount of movement of vehicle can be grasped.
When the Tachographs of reality, can increase be connected to main body 10 in car number of components to collect various information.Such as, in multiple car, camera can connect and is main body 10 in car, so that with a shooting outer scene, and by another shooting vehicle interior situation.Further, GPS (GPS) receiver can be connected to main body 10 in car to obtain the positional information about vehicle.Further, the various information of vehicles showing transport condition can be obtained, such as, about the information of the ON/OFF state of engine speed, brake, the gear of variator etc.
But, such as, large owing to being taken the view data capacity obtained by camera 31 in car, if so trigger is repeatedly started, record a large amount of view data by needing, thus, in order to store the storage area of a large amount of view data and at substantial.Further, relative to the information obtained by regular recording operation, relatively little by the quantity of information of a case-based system.But, As time goes on record a large amount of information, therefore, will the storage area of at substantial.
On the other hand, about the Nonvolatile memory card that can store recorded data, the capacity that each storage card can record is limited.Therefore, if trigger repeated priming or record operate in long-time interior lasting, the clear area of storage card can disappear, and therefore, can not allow record operation subsequently, or can delete old significant data.
Such as, when taxi company or transport company, need to be grasped the actual travel state of the driver of each driving commercial vehicle, carry out safety traffic with driver instructor.In order to grasp this transport condition, the information recorded by Tachographs etc. can be used.But when being arranged on the in-vehicle device of the such as Tachographs on commercial vehicle, because every day records bulk information continuously, the capacity storing the storage card of data is easy to exhaust.
Such as, at the end of routine work, when the storage card of in-vehicle device is pulled up and gives back by each driver, data can be transferred to the management computer of the indoor installation of corporate office from storage card.In this case, at the end of routine work, by deleting data from storage card, new clear area can be created on a memory card.But before data transfer to management computer from storage card, storage card may be in the state of off-capacity.If the state of off-capacity occurs, again can not record significant data, or the important information recorded may be deleted.
Therefore, in the Tachographs 100 shown in Fig. 3, multiple draw-in groove 12a and 12b is supplied to storage card reader 12, makes in car, can install two or more individual memory cards 21 and 22 in main body 10.Further, in car, the microprocessor 11 of main body 10 inside has the function using the multiple individual memory cards 21 and 22 installed to ensure record destination desired zone.
Below, the concrete operations about data record of Tachographs 100 will be described.The summary of the characteristic manipulation of the Tachographs 100 shown in Fig. 3 is shown in Figure 1.Operate shown in Fig. 1 and realized by the process of microprocessor 11.In addition, Fig. 2 shows the example multiple storage card 21 and 22 being carried out to posting field distribution.
In S11 step, microprocessor 11 reads the state of storage card reader 12 and identifies whether multiple storage card 21 and 22 and be arranged on draw-in groove 12a and 12b.When multiple storage card 21 and 22 is installed, process proceeds to step S12, and when only having a storage card to install, process proceeds to step S15.
In step 12, microprocessor 11 carries out the distribution of master record medium and secondary recording medium for the multiple storage cards 21 and 22 be arranged in storage card reader 12, the distribution of a stepping row major level of going forward side by side.
That is, one in multiple storage card 21 and 22 will be assigned as master record medium, and wherein another will be assigned as secondary recording medium.In order to select in multiple storage card 21 and 22, which will be master record medium, and such as, the position of draw-in groove 12a and 12b that storage card is installed can be used for identifying, or the value of the information as card ID etc. write in advance on storage card 21 and 22 can be used for identification.About the distribution of priority, such as, the priority of master record medium is high, and the priority of secondary recording medium is low.
In step s 13, microprocessor 11 be respectively that multiple storage card 21 and 22 distributes can the kind of recorded information.
In the present embodiment, the Data Segmentation as record object is that two set types process by microprocessor 11.One group corresponds to the data irregularly recorded according to the triggering produced when abnormal large acceleration being detected, and another group with constant time intervals often and the data of periodic logging then corresponds to.
In the example of figure 2, about master record medium, the region can distributed for the data of trigger recording group and the region can distributed for the data of periodicity record group can be guaranteed.In addition, about secondary recording medium, the region that the data of periodically record group are distributed can only be ensured.That is, carry out distributing and make the data of periodically record group can be recorded on master record medium and secondary recording medium, and the data of trigger recording group are merely able to be stored on master record medium.
In step S14, microprocessor 11 is the maximal value of often kind of information type assignment record capacity or the capacity ratio of distribution master record medium and secondary recording medium.
Such as, in the illustrated example shown in fig. 2, among whole region (its capacity is C1max) on master record medium, the max cap. can distributing to the data of trigger recording group in this region is defined as Ca, and the max cap. can distributing to the data of periodically record group in region is defined as Cb.In addition, the whole region (its capacity is C2max) on secondary recording medium is defined as the max cap. that the data of periodically record group can be distributed in this region.Max cap. can be formulated and the ratio of Ca and Cb is remained unchanged.
In step S15, microprocessor 11 identifies whether to produce the recording instruction to recording medium.That is, think that recording instruction produces when the data obtained along with triggering generation are in state to be stored, or produce when place's data are in state to be stored in the regular moment of regular recording operation, then, process proceeds to step S16.
No matter the generation of recording instruction, by obtaining the new data of such as image constantly, and by the impact damper of the data of this acquisition stored in such as volatile memory 17, when produce trigger time, still the data that the past obtains can be stored on storage card 21 and 22.
In step s 16, microprocessor 11 checks the state in the region on above-mentioned master record medium, then identifies whether to there is enough clear areas to preserve the data as record object.Such as, in the state of fig. 2, when generating recording instruction when producing along with triggering, microprocessor 11 identifies that whether the size of the clear area can distributed for the data of trigger recording group in the max cap. Ca in described region is enough.
When there being a storage card 21 to be arranged in storage card reader 12, storage card 21 is considered to master record medium, and can assert that secondary recording medium does not exist or its capacity is 0.
In step S17, microprocessor 11 is about the region of record object data from the assignment record destination, clear area master record medium being endowed recording instruction.
In step S18, microprocessor 11 identifies whether the record object data being endowed recording instruction is to be stored in the information on secondary recording medium.That is, in the example shown in figure 2, because only existing in secondary recording medium can be the region that the data of periodically record group are distributed, microprocessor 11 identification can the data of record period record group, and can not record the data of trigger recording group.
In step S19, microprocessor 11 checks the state in the region on secondary recording medium, and identifies whether to there is enough clear areas and carry out keeping records object data.Such as, under the state shown in Fig. 2, when producing recording instruction under conventional writing time, whether microprocessor 11 identifies can be enough for the size of the clear area of the periodically data distribution of record group in the max cap. C2max in described region.
In step S20, microprocessor 11 comes the region of assignment record destination from the clear area secondary recording medium about the record object data being endowed recording instruction.。
In the step s 21, in order to ensure new region, the recorded information of most legacy data searched for by microprocessor 11 on master record medium or secondary recording medium, and the data that arrive of Delete Search automatically.Further, microprocessor 11 is dispensing by and deletes and the new clear area of guaranteeing is used as recording the region, record destination of object data.
In step S22, the record object data in the storage destination region that microprocessor 11 will be distributed by the operation of S17, S20 and S21 is written on master record medium or secondary recording medium.
Think that multiple storage card 21 and 22 is in fact split according to such as following mode.That is, the storage card 22 distributing to secondary recording medium is arranged in car in main body 10 for a long time, and another storage card 21 distributing to master record medium is then separated from main body in car 10 and is taken back by driver after routine work.Then, by the data batchmove of record on storage card 21 in the management computer in office, and the data of transfer are deleted from storage card 21.Further, storage card 21 to be arranged in car in main body 10 by driver again when the work of second day starts.About the storage card 22 distributed to from recording medium, storage card 22 when needs, such as, can be separated from main body in car 10 due to the generation of traffic hazard by corporate manager, and acquisition is recorded in data on storage card 22.
Under any circumstance, multiple individual memory cards 21 and 22 can be used simultaneously, therefore can record and preserve the data exceeding the restriction of single storage card memory capacity.That is, within very long a period of time, the mass data or often and the data of periodic logging of such as image can be recorded continuously.Therefore, even if in the business practice recorded about the various information of vehicle operating every day, also seldom there is the state of off-capacity.
Further, automatically ensure new region owing to deleting legacy data when off-capacity, so the situation that the new data obtained cannot record can be avoided.Further, by distributing priority for multiple storage card 21 and 22, or coming management accounts destination by dividing the data class that will record, multiple storage card 21 and 22 can be used rightly.That is, even if when using multiple storage card 21 and 22, also can manage, the work when every day is started and at the end of, dismantle and install an only card by driver.
In the above-described embodiments, assuming that two storage cards 21 and 22 are arranged in car in main body 10, but also three or more storage card can be installed.When using three or more storage card at the same time, such as, a recording medium can be distributed as master record medium, and can distribute residue recording medium be secondary recording medium.
As mentioned above, automatic acquisition can be applied to according to information-recording apparatus of the present invention and the equipment of store car information, as being arranged on vehicle as the Tachographs of in-vehicle device or digital revmeter.Especially, even when being arranged on the in-vehicle device on commercial vehicle, also can suppressing off-capacity and continue to carry out record operation within very long a period of time.
Although illustrated for particularly preferred embodiment and described the present invention, it will be apparent to one skilled in the art that and can carry out variations and modifications based on instruction of the present invention.Within spirit of the present invention, scope and intention that claims limit, this change and amendment are apparent.
The Japanese patent application No. 2011-055330 that the application submitted to based on March 14th, 2011, the content of this patented claim is incorporated herein by reference.
Claims (2)
1. being suitable for when particular event occurs the cycle or obtaining an information of vehicles continuously, and being suitable for the information-recording apparatus being used for vehicle that automatically information got is recorded on predetermined recording medium, described information-recording apparatus comprises:
Recording medium maintaining part, described recording medium maintaining part be configured to recording medium can by the state of independent disassembling under keep multiple recording medium respectively simultaneously; With
Information write control part, when described recording medium maintaining part keeps described multiple recording medium, at least one in the described multiple recording medium of information write control part distribution is as master record medium, and at least one of distributing in other recording mediums is as secondary recording medium, and according to being assigned to the priority of described master record medium and described secondary recording medium, automatic guarantee is as the region of the record destination of wherein one or both information obtained from described master record medium and secondary recording medium
Wherein, described information write control part is configured to identify whether described multiple recording medium is arranged in described recording medium maintaining part, and when having installed a recording medium, described information write control part is configured to think that installed recording medium is master record medium and described secondary recording medium does not exist or the capacity of described secondary recording medium is zero
The management of described information write control part can select any one first information as described record destination of described master record medium and secondary recording medium, and described master record medium and secondary both recording mediums can be selected as the second information of described record destination, the described first information and the second information is made to distinguish mutually
When ensure that the record destination of described second information, described information write control part selects the described master record medium with higher priority as original records destination, and when described master record medium there is no enough clear areas, select the region on described secondary recording medium as recording destination.
2. information-recording apparatus according to claim 1, wherein, described information write control part is according to predetermined value, volitional check can distribute to the max cap. of the described first information and the second information respectively, or limits the ratio of the first capacity can distributing to the described first information and the second capacity can distributing to described second information.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-055330 | 2011-03-14 | ||
| JP2011055330A JP5756658B2 (en) | 2011-03-14 | 2011-03-14 | Vehicle information recording device |
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| Publication Number | Publication Date |
|---|---|
| CN102682498A CN102682498A (en) | 2012-09-19 |
| CN102682498B true CN102682498B (en) | 2015-11-04 |
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| CN201210065722.6A Active CN102682498B (en) | 2011-03-14 | 2012-03-13 | For the information-recording apparatus of vehicle |
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| JP (1) | JP5756658B2 (en) |
| CN (1) | CN102682498B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6355234B2 (en) * | 2013-04-09 | 2018-07-11 | 株式会社ユピテル | Image recording apparatus, image recording system, and program |
| CN104760632B (en) * | 2014-01-03 | 2017-05-31 | 比亚迪股份有限公司 | The recording method of vehicle information of vehicles, system and automobile |
| CN105049798A (en) * | 2015-07-09 | 2015-11-11 | 湖北鼎盛海特科技有限公司 | Policeman law enforcement audio and video recording system and recording method |
| CN105303646B (en) * | 2015-10-12 | 2018-07-03 | 深圳市轱辘车联数据技术有限公司 | Travelling data storage method and device |
| CN105427403A (en) * | 2015-11-03 | 2016-03-23 | 深圳市凯立德科技股份有限公司 | Automobile traveling record data storage method and automobile traveling data recorder |
| JP6378719B2 (en) * | 2016-07-19 | 2018-08-22 | 矢崎総業株式会社 | Biological information storage system and in-vehicle biological information storage device |
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| US20020016655A1 (en) * | 2000-08-01 | 2002-02-07 | Joao Raymond Anthony | Apparatus and method for processing and/or for providing vehicle information and/or vehicle maintenance information |
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| CN1224893A (en) * | 1997-10-03 | 1999-08-04 | 松下电器产业株式会社 | Data recording apparatus and method |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5756658B2 (en) | 2015-07-29 |
| CN102682498A (en) | 2012-09-19 |
| JP2012190397A (en) | 2012-10-04 |
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