CN107195023A - Data storage method and automobile data recorder - Google Patents
Data storage method and automobile data recorder Download PDFInfo
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- CN107195023A CN107195023A CN201710401327.3A CN201710401327A CN107195023A CN 107195023 A CN107195023 A CN 107195023A CN 201710401327 A CN201710401327 A CN 201710401327A CN 107195023 A CN107195023 A CN 107195023A
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- 238000013500 data storage Methods 0.000 title claims abstract description 170
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000012544 monitoring process Methods 0.000 claims abstract description 12
- 238000012546 transfer Methods 0.000 claims description 16
- 238000007726 management method Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000002618 waking effect Effects 0.000 claims description 2
- 230000002159 abnormal effect Effects 0.000 abstract description 9
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
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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
- G07C5/0866—Registering performance data using electronic data carriers the electronic data carrier being a digital video recorder in combination with video camera
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0727—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in a storage system, e.g. in a DASD or network based storage system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0736—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in functional embedded systems, i.e. in a data processing system designed as a combination of hardware and software dedicated to performing a certain function
- G06F11/0739—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in functional embedded systems, i.e. in a data processing system designed as a combination of hardware and software dedicated to performing a certain function in a data processing system embedded in automotive or aircraft systems
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
The invention discloses a data storage method, which is applied to a vehicle data recorder, wherein the vehicle data recorder comprises a camera device, a data memory and a DDR (double data rate), and the data memory is used for storing data information acquired by the camera device; the data storage method comprises the following steps: monitoring whether the data memory works abnormally in real time; if the data memory is abnormal, storing the data information acquired by the camera device to the DDR; and controlling the power supply circuit of the data memory to be switched off and on until the data memory works normally, and transmitting the data information stored in the DDR to the data memory. The invention also discloses an automobile data recorder. The data storage method disclosed by the invention stores the data into the DDR when the data memory is abnormal, and stores the data temporarily stored in the DDR into the data memory after the data memory is normal, so that the problem that the data cannot be stored in time when the data memory is abnormal in work is avoided.
Description
Technical field
The present invention relates to technical field of data storage, more particularly to a kind of date storage method and drive recorder.
Background technology
Travelling data information is typically acquired using drive recorder.Travelling data in analysis driving conditions for being sent out
Raw all kinds of events have great importance.For example, after traffic accident generation, can be remembered by analyzing in drive recorder
The travelling data of record, carries out confirmation of responsibility.Therefore, in order to obtain authentic and valid travelling data information, the storage of travelling data
It is particularly important.
But, under the scene that mass data is stored, particularly in the application of drive recorder product, substantial amounts of data
Information needs real-time storage into TF storage cards, and frequently I/O operation easily causes TF storage cards to make a mistake and occur can not be just
The scene for often writing or reading, Consumer's Experience is poor, and if crucial moment video because that can not be lost normal storage,
The influence caused is bigger so that drive recorder loses the meaning of its this province.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of date storage method, to solve existing drive recorder
When carrying out data storage, data storage occur it is abnormal and can not data storage the problem of.Present invention also offers a kind of row
Car recorder.
In order to solve the above problems, the invention provides a kind of date storage method, it is applied to drive recorder, described
Drive recorder includes camera device, data storage and DDR, and the data storage is used to store the camera device acquisition
Data message；The date storage method comprises the following steps：
Monitor whether the data storage operation irregularity occurs in real time；
If operation irregularity occurs in the data storage, the data message that the camera device obtains is stored to described
DDR；
The cut-out and connection of the power supply circuit of the data storage are controlled, until the data storage is working properly
When, the data information transfer that the DDR is stored to the data storage.
As a further improvement on the present invention, the cut-out and connection of the power supply circuit of the data storage are controlled, until
When the data storage is working properly, the step of the data information memory that the DDR is stored to the data storage, bag
Include：
Cut off the power supply circuit of the data storage；
The power supply circuit of the data storage is connected, and record connects number of times；
Judge whether the connection number of times exceedes preset times；
If the connection number of times exceedes preset times, the prompting message of the data storage operation irregularity is sent to outer
Portion.
As a further improvement on the present invention, judge that the connection number of times, whether more than after preset times step, is also wrapped
Include：
If it is described connection number of times not less than preset times, detect the data storage whether operation irregularity；
If the data storage is working properly, the data information memory that the camera device is obtained is to described
In data storage, and the data information transfer that the DDR is stored is to the data storage.
As a further improvement on the present invention, the data information memory DDR stored is to the data storage
After step, in addition to：
Delete the data message stored in the DDR.
As a further improvement on the present invention, the data storage includes TF cards or SD card.
In order to further solve the above problems, present invention also offers a kind of drive recorder, it includes camera device, number
According to memory and DDR, the data storage is used to store the data message that the camera device is obtained；The drive recorder
Also include：
Monitoring modular, for monitoring whether the data storage operation irregularity occurs in real time；
Memory module, for when operation irregularity occurs in the data storage, storing the institute that the camera device is obtained
Data message is stated to the DDR；
Circuit management and transport module, for the cut-out and connection of the power supply circuit for controlling the data storage；Until
When the data storage is working properly, the data information transfer that the DDR is stored to the data storage.
As a further improvement on the present invention, the Circuit management and transport module include：
Cutting unit, the power supply circuit for cutting off the data storage；
Connect and recording unit, the power supply circuit for connecting the data storage, and record connects number of times；
Judging unit, for judging whether the connection number of times exceedes preset times；
Reminding unit, for when the connection number of times exceedes preset times, sending the data storage operation irregularity
Prompting message to outside.
As a further improvement on the present invention, the Circuit management and transport module also include：
Detection unit, for when the connection number of times is not less than preset times, detect the data storage whether work
Make abnormal；
Storage and transmission unit, for when the data storage is working properly, the institute that the camera device is obtained
Data information memory is stated into the data storage, and the data information transfer that the DDR is stored to the data are deposited
Reservoir.
As a further improvement on the present invention, the drive recorder also includes：
Removing module, the data message stored for deleting in the DDR.
As a further improvement on the present invention, the data storage includes TF cards or SD card.
Compared with prior art, the date storage method that the present invention is provided will be imaged when data storage occurs abnormal
Device obtain data message interim storage into DDR, then the power supply circuit for passing through control data memory cut-out and connection
The purpose of initialization data memory is reached, after pending data memory is normal, then by the data storage of interim storage in DDR to number
According in memory, it is therefore prevented that the situation of loss of data occur in data storage operation irregularity, for drive recorder,
Data are saved aspect from damage and are significant.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the first embodiment of date storage method of the present invention.
Fig. 2 is the schematic flow sheet of second of embodiment of date storage method of the present invention.
Fig. 3 is the schematic flow sheet of the third embodiment of date storage method of the present invention.
Fig. 4 is the schematic flow sheet of 4th kind of embodiment of date storage method of the present invention.
Fig. 5 is the high-level schematic functional block diagram of the first embodiment of drive recorder of the present invention.
Fig. 6 is the high-level schematic functional block diagram of second of embodiment of drive recorder of the present invention.
Fig. 7 is the high-level schematic functional block diagram of the third embodiment of drive recorder of the present invention.
Fig. 8 is the high-level schematic functional block diagram of 4th kind of embodiment of drive recorder of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used to limit the present invention.
The date storage method that the present invention is provided is applied to drive recorder, and drive recorder includes camera device, data
Memory and DDR, data storage are used for the data message for storing camera device acquisition.To make above-mentioned purpose, the spy of the present invention
Advantage of seeking peace can become apparent it is understandable, below in conjunction with the accompanying drawings to the present invention specific embodiment be described in detail.
Embodiment 1
Fig. 1 illustrates a kind of embodiment of date storage method of the present invention.In the present embodiment, as shown in figure 1, the data
Storage method comprises the following steps：
Whether step S101, Real-time Monitoring Data memory there is operation irregularity, if operation irregularity occurs in data storage,
Then perform step S102.
Specifically, drive recorder obtains substantial amounts of data by camera device in vehicle traveling process, constantly and believed
Breath, the data information memory is retained into data storage as evidence, and frequently I/O operation easily causes data storage
Make a mistake and occur the scene that can not be normally written or read, and data storage makes a mistake and can not read and write i.e. data and deposit
There is operation irregularity in reservoir.It should be appreciated that in the present embodiment, data message include having Video data, picture data and
Voice data.Data storage operation irregularity includes a variety of situations, for example：The data message of storage is lost, can not stored, such as
There is operation irregularity in Emergency time data storage in fruit so that the data message of Emergency time can not be preserved, and can be led
Cause poor user experience so that drive recorder loses the meaning of itself.In the present embodiment, stored by real-time detector data
The working condition of device, when operation irregularity occurs in data storage, the abnormal work feelings of data storage are obtained in the very first time
Condition.
Step S102, the data message that storage camera device is obtained to DDR.
Specifically, data storage occurs after operation irregularity, camera device obtain data message can not normal storage extremely
In data storage, detecting after operation irregularity occurs in data storage, stopping data information memory to data storage
In, data information memory is preserved into DDR, prevents data message from losing.
Step S103, the cut-out and connection of the power supply circuit of control data memory, until data storage is working properly
When, the data information transfer that DDR is stored to data storage.
Specifically, deposited by the power supply circuit of control data memory come initialization data memory detecting data
Reservoir occurs after operation irregularity, the cut-out and connection of the power supply circuit of control data memory, power-up initializing data storage,
After pending data memory operation is normal, then data storage progress data information memory operation is reactivated, and will be stored in
Data transfer in DDR is into data storage, so so that the data message during data storage operation irregularity is protected
Leave and.
In the present embodiment, by monitoring whether the data storage operation irregularity occurs in real time, number can be found in time
There is exception according to memory, after exception occurs in data storage, in order to avoid data message is lost, camera device is obtained
Data information memory into DDR, then the power supply circuit for passing through control data memory cut-out and connection so that data storage
Initialization is re-powered, after pending data memory operation is normal, data storage data storage information is reactivated, and will
The data transfer in DDR is stored in into data storage, it is to avoid factor data memory operation is abnormal and causes loss of data,
The integrality of data is ensure that, Consumer's Experience is improved.
Embodiment 2
Fig. 2 illustrates another embodiment of date storage method of the present invention.In the present embodiment, as shown in Fig. 2 the number
Comprise the following steps according to storage method：
Whether step S201, Real-time Monitoring Data memory there is operation irregularity, if operation irregularity occurs in data storage,
Then perform step S202.
The specific step S101 referred in embodiment 1, here is omitted.
Step S202, the data message that storage camera device is obtained to DDR.
The specific step S102 referred in embodiment 1, here is omitted.
Step S203, the cut-out and connection of the power supply circuit of control data memory, until data storage is working properly
When, the data information transfer that DDR is stored to data storage, specifically, step S203 comprise the following steps：
Step S2031, cuts off the power supply circuit of data storage.
Specifically, detecting after operation irregularity occurs in data storage, cutting off the power supply circuit of data storage, example
Such as：A power management chip is set to carry out the power supply circuit of control data memory, detecting data storage, work occur different
The power supply circuit of data storage is cut off after often by power management chip.
Step S2032, connects the power supply circuit of data storage, and record connects number of times.
Specifically, the power supply circuit of data storage is initially switched off, then connects the power supply circuit of data storage, data are completed
Memory re-powers the process of initialization so that data storage returns to original state, and recording data memory connects
Logical number of times.
Step S2033, judges to connect whether number of times exceedes preset times, if connecting number of times exceedes preset times, performs
Step S2034；If connecting number of times not less than preset times, step S2035 is performed.
Specifically, in order to avoid when data storage occurs by the insurmountable operation irregularity of power-up initializing, one
Straight perform in cut-out and the operation of the power supply circuit of connection data storage, the drive recorder is provided with preset times, often completes
Power-on initialization operation, the connection number of times of record adds 1, and the connection number of times after will adding 1 is compared with preset times, when
When connection number of times after plus 1 exceedes preset times, step S2034 is performed；Connection number of times after adding 1 is not less than preset times
When, then perform step S2035.
Step S2034, sends the prompting message of data storage operation irregularity to outside.
Specifically, after the connection number of times of record exceedes preset times, the prompting of data storage operation irregularity is sent
Information is to outside.By setting preset times, if the connection number of times of data storage has exceeded preset times, now, no matter
Last time re-power initialization after data storage whether normal work, all illustrate that data storage there is a problem, if
During follow-up use, each data storage operation irregularity is required for by re-powering initialization just close to preset times
Operation irregularity can be solved the problems, such as, it can all reduce Consumer's Experience, so the connection number of times of data storage has exceeded preset times
When it needs to carry out manually to repair or change, and by sending the prompting message of data storage operation irregularity to outside, and
When remind user data memory to be in operation irregularity state, user repaiies in time after data storage operation irregularity is known
Multiple or replacing data storage, it is to avoid influence preserves data message.In the present embodiment, the date storage method is applied to driving
Recorder, can send prompting message and/or display screen display alarm information by voice, can also be by sending prompting message
User is reminded on to the mobile phone of user.
Step S2035, detection data storage whether operation irregularity, if data storage is working properly, perform step
S2036；If data storage operation irregularity, step S2031 is performed.
Specifically, data storage connects number of times not less than preset times after having performed and re-powering initialization operation,
Then again detection data storage whether still in operation irregularity state.The working condition of detection data storage is used for again
Judgement re-powers the problem of whether initialization operation solves data storage operation irregularity.
Step S2036, data information memory that camera device is obtained stores DDR into data storage
Data information transfer is to data storage.
Specifically, after data storage is working properly, the data message that camera device is obtained stops storing into DDR, weight
The new data started into data storage in data storage information, and DDR can not be preserved after power is turned off, so in data
The data message that memory operation exception device is stored into DDR will be also transferred in data storage, so as to ensure that whole
The integrality of individual data, it is to avoid lose data.It should be noted that after data storage is working properly, the data storage of record
The connection number of times of device is also required to be zeroed out operation.
In the present embodiment, detect after data storage operation irregularity, the data message that storage camera device is obtained to DDR
In, by being initially switched off the power supply circuit of data storage, then the power supply circuit of data storage is connected, so as to complete data storage
The power-up initializing of device, and the connection number of times of recording data memory, by the connection number of times of record and default connection number of times
It is compared, after the connection number of times of record exceedes default connection number of times, stops to data storage power-up initializing, concurrently
Prompting message is sent to outside, reminds user data memory to go wrong, it is necessary to repair or change in time, it is to avoid can not preserve
Data message.
Embodiment 3
Fig. 3 illustrates another embodiment of date storage method of the present invention.In the present embodiment, as shown in figure 3, the number
Include step S301- step S304, wherein step S301- steps S303 according to storage method to walk with the step S101- in embodiment 1
Rapid S103 is identical, and specific steps are referring to embodiment 1, and here is omitted, and the distinctive points of embodiment 1 are in the present embodiment, this
Embodiment also includes step S304：
Step S304, deletes the data message stored in DDR.
In the present embodiment, in order to avoid data message excessively takes DDR memory space, in data storage normal work
And after beginning to use data storage data storage information again, by the data information memory in DDR to data storage, and
Delete the data message in DDR, it is ensured that DDR memory space is sufficient, it is to avoid the normal work of influence drive recorder.
Embodiment 4
Fig. 4 illustrates another embodiment of date storage method of the present invention.In the present embodiment, as shown in figure 4, in reality
Apply on the basis of example 2, in the present embodiment, the date storage method also includes step S404：
Step S404, deletes the data message stored in DDR.
In the present embodiment, in order to avoid data message excessively takes DDR memory space, in data storage normal work
And after beginning to use data storage data storage information again, by the data information memory in DDR to data storage, and
Delete the data message in DDR, it is ensured that DDR memory space is sufficient, it is to avoid the normal work of influence drive recorder.
Preferably, in above-described embodiment 1, embodiment 2, embodiment 3 and embodiment 4, the data storage can be TF
Card or SD card, belong to the protection domain of this invention.
Embodiment 5
Fig. 5 illustrates a kind of embodiment of drive recorder of the present invention.In the present embodiment, as shown in figure 5, the driving is remembered
Record instrument includes：
Whether monitoring modular 101, there is operation irregularity for Real-time Monitoring Data memory；
Memory module 102, for when data storage occurs abnormal, the data message that storage camera device is obtained to be extremely
DDR；
Circuit management and transport module 103, cut-out and connection for the power supply circuit of control data memory；Until number
According to memory operation it is normal when, the data information transfer that memory module 102 stores DDR to data storage.
In the present embodiment, the working condition of the real-time detector data memory of monitoring modular 101, when monitoring modular 101 is detected
During to data storage operation irregularity, the data information memory that memory module 102 obtains camera device is protected into DDR
Deposit, prevent data message from losing, then pass through the cut-out of Circuit management and the power supply circuit of the control data memory of transport module 103
With connection so that data storage re-powers initialization, until after data storage normal work, reactivating data storage
Device preserves data message, and the data transfer that will be stored in DDR is into data storage, it is ensured that the integrality of data message.
Embodiment 6
Fig. 6 illustrates a kind of embodiment of drive recorder of the present invention.In the present embodiment, as shown in fig. 6, in embodiment
On the basis of 5, the drive recorder also includes, and the Circuit management and transport module 103 include：
Cutting unit 1031, the power supply circuit for cutting off data storage；
Connect and recording unit 1032, on-unit 1032 is used for the power supply circuit for connecting data storage, and record connects
Logical number of times；
Judging unit 1033, for judging to connect whether number of times exceedes preset times；
Reminding unit 1034, for when connecting number of times more than preset times, sending carrying for data storage operation irregularity
Information of waking up is to outside.
Detection unit 1035, for when connecting number of times not less than preset times, whether detection data storage to work different
Often；
Storage and transmission unit 1036, for when data storage is normal, the data message that camera device is obtained to be deposited
Storage is into data storage, and the data information transfer that DDR is stored is to data storage.
Embodiment 7
Fig. 7 illustrates a kind of embodiment of drive recorder of the present invention.In the present embodiment, as shown in fig. 7, in embodiment
On the basis of 5, the drive recorder also includes：
Removing module 1081, the data message stored for deleting in DDR.
Embodiment 8
Fig. 8 illustrates a kind of embodiment of drive recorder of the present invention.In the present embodiment, as shown in figure 8, in embodiment
On the basis of 6, the drive recorder also includes：
Removing module 1082, the data message stored for deleting in DDR.
Preferably, in above-described embodiment 5, embodiment 6, embodiment 7 and embodiment 8, data storage can be TF cards
Or SD card, belong to the protection domain of this invention.
The other details of technical scheme are realized on each module in aforementioned four embodiment drive recorder, reference can be made to above-mentioned
The description in date storage method in embodiment, here is omitted.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation be all between difference with other embodiment, each embodiment identical similar part mutually referring to.
For device class embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is joined
See the part explanation of embodiment of the method.
The embodiment to invention is described in detail above, but it is only used as example, and the present invention is not intended to limit
In specific embodiments described above.For a person skilled in the art, any equivalent modifications carried out to the invention
Or substitute also all among scope of the invention, therefore, the equalization made in the case where not departing from the spirit and principles in the present invention scope
Conversion and modification, improvement etc., all should be contained within the scope of the invention.
Claims (10)
1. a kind of date storage method, it is characterised in that it is applied to drive recorder, the drive recorder includes shooting and filled
Put, data storage and DDR, the data storage is used to store the data message that the camera device is obtained；The data
Storage method comprises the following steps：
Monitor whether the data storage operation irregularity occurs in real time；
If there is operation irregularity, the data message that the storage camera device is obtained to the DDR in the data storage；
The cut-out and connection of the power supply circuit of the data storage are controlled, until when the data storage is working properly, will
The data information transfer of DDR storage is to the data storage.
2. date storage method according to claim 1, it is characterised in that the power supply circuit of the control data storage
Cut-out and connection, until the data storage it is working properly when, the data information memory that the DDR is stored to the number
The step of according to memory, including：
Cut off the power supply circuit of the data storage；
The power supply circuit of the data storage is connected, and record connects number of times；
Judge whether the connection number of times exceedes preset times；
If the connection number of times exceedes preset times, the prompting message of the data storage operation irregularity is sent to outside.
3. date storage method according to claim 2, it is characterised in that judge whether the connection number of times exceedes default
After number of times step, in addition to：
If it is described connection number of times not less than preset times, detect the data storage whether operation irregularity；
If the data storage is working properly, the data information memory that the camera device is obtained to the data
In memory, and the data information transfer that the DDR is stored is to the data storage.
4. the date storage method according to claim 1 or 3, it is characterised in that deposit the DDR data messages stored
Store up to after the step of the data storage, in addition to：
Delete the data message stored in the DDR.
5. date storage method according to claim 1, it is characterised in that the data storage includes TF cards or SD
Card.
6. a kind of drive recorder, it is characterised in that it includes camera device, data storage and DDR, the data storage
For storing the data message that the camera device is obtained；The drive recorder also includes：
Monitoring modular, for monitoring whether the data storage operation irregularity occurs in real time；
Memory module, for when operation irregularity occurs in the data storage, storing the number that the camera device is obtained
It is believed that ceasing to the DDR；
Circuit management and transport module, for the cut-out and connection of the power supply circuit for controlling the data storage；Until described
When data storage is working properly, the data information transfer that the DDR is stored to the data storage.
7. drive recorder according to claim 6, it is characterised in that the Circuit management and transport module include：
Cutting unit, the power supply circuit for cutting off the data storage；
Connect and recording unit, the power supply circuit for connecting the data storage, and record connects number of times；
Judging unit, for judging whether the connection number of times exceedes preset times；
Reminding unit, for when the connection number of times exceedes preset times, sending carrying for the data storage operation irregularity
Information of waking up is to outside.
8. drive recorder according to claim 7, it is characterised in that the Circuit management and transport module also include：
Detection unit, for when the connection number of times is not less than preset times, detecting whether the data storage works different
Often；
Storage and transmission unit, for when the data storage is working properly, the number that the camera device is obtained
It is believed that breath is stored into the data storage, and the data information transfer that the DDR is stored is to the data storage.
9. the drive recorder according to claim 6 or 8, it is characterised in that the drive recorder also includes：
Removing module, the data message stored for deleting in the DDR.
10. drive recorder according to claim 6, it is characterised in that the data storage includes TF cards or SD card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401327.3A CN107195023A (en) | 2017-05-31 | 2017-05-31 | Data storage method and automobile data recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401327.3A CN107195023A (en) | 2017-05-31 | 2017-05-31 | Data storage method and automobile data recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107195023A true CN107195023A (en) | 2017-09-22 |
Family
ID=59876928
Family Applications (1)
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| CN201710401327.3A Pending CN107195023A (en) | 2017-05-31 | 2017-05-31 | Data storage method and automobile data recorder |
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