CN104660968A - Method for storing alarm information by using multiple storage cards - Google Patents
Method for storing alarm information by using multiple storage cards Download PDFInfo
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- CN104660968A CN104660968A CN201310596345.3A CN201310596345A CN104660968A CN 104660968 A CN104660968 A CN 104660968A CN 201310596345 A CN201310596345 A CN 201310596345A CN 104660968 A CN104660968 A CN 104660968A
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Abstract
The invention provides a method for storing alarm information by using multiple storage cards. The method comprises an information acquisition step and an information storage step, wherein in the information acquisition step, external events trigger alarms, and intelligent video monitoring equipment performs data acquisition and acquires multi-segment alarm information; in the information storage step: the multi-segment alarm information is stored in the multiple storage cards in a crossing manner. According to the method, cross storage of alarm files is achieved by using the multiple storage cards, so that the purposes of expanding the capacity at low cost and avoiding loss of all the alarm files due to damage of a certain storage card are achieved; many external events trigger the alarms, such as motion detection, the alarms are often continuously triggered for a period of time to generate a plurality of alarms, and in a cross storage way, the continuous loss of the alarm files is avoided and a part of an image or a video is at least kept, so that the risk of losing evidences is lowered.
Description
Technical field
The present invention relates to a kind of method of the information of store alarms on a memory card, particularly relate to the method for alternately store alarms information on a kind of multi-memory card built-in at intelligent network video monitoring equipment.
Background technology
In recent years, along with the fast development of the increasingly extensive and memory card technologies of intellective video monitoring device application, adopt the mode of embedded semiconductor solid-state memory card to carry out the storage of video, picture more and more at large in intellective video monitoring device front end, it is little, low in energy consumption that this mode has volume, saves the advantages such as network transmission bandwidth.But this settling mode exists shortcoming equally, existing intellective video monitoring device only supports a built-in semiconductor memory card mostly.Individual memory card capacity is limited, and easily breaks down due to second after second frequent read-write, once break down, will cause loss of data in card, and new warning video information cannot store again.For addressing these problems, there is the method adopting double card to store in the market, but also there is a problem in this method, be exactly its storage mode be two storage cards sequential storage successively, namely a card stores second card after storing completely again, when wherein storage card damages, in this card stored in, the warning video file that records many days continuously may all lose, and bring very large inconvenience to user's investigation and evidence collection afterwards; And if storage card damage after occur important security incident also cannot continue store, to this, be necessary to propose a kind of solution.
Summary of the invention
The object of the invention is to, there is provided a kind of method using multi-memory card store alarms information, the problem that can solve built-in single memory card capacity deficiency that Network Video Surveillance equipment exists, the damage that can overcome again certain storage card cause the problem of whole alarm image information dropouts of certain of section continuous time and can continue store alarms information after damaging by certain storage card wherein.
The method of use multi-memory card store alarms information provided by the present invention, comprising:
Information acquiring step: external event trigger alarm, carries out data acquisition by intellective video monitoring device, obtains multistage warning message;
Information storing step: by multistage warning message interleaved in multiple storage card.
Further, described information storing step is specially:
(1) read the storaging mark that is arranged in the memory of described intellective video monitoring device, described storaging mark for represent the current warning message that will store should stored in storage card;
(2) by this section of warning message stored in corresponding storage card;
(3) revise storaging mark, make its represent next time store alarms information time, should stored in storage card; Return step (1), until All Alerts information is stored all.
Further, in the memory of described intellective video monitoring device, be provided with the card bad mark entirely for representing whether described multiple storage card all damage, and the storage card whether expression storage card corresponding to multiple and described multiple storage card damages identifies;
Before step (1), also comprise step (a): first read the complete bad mark of card, if described multiple storage card damages all, then do not store any warning message; Otherwise, perform step (1);
After step (1), also comprise step (b): read the current warning message that will store should stored in storage card storage card mark, if this storage card damages, then perform step (3); Otherwise, perform step (2).
Further, described multiple storage card is detected, the complete bad mark of amendment card and multiple storage card mark, be specially: read storage card mark, if this storage card of storage card mark display does not damage, then detect this storage card, according to testing result amendment storage card mark; Read the storage card mark of all the other storage cards, until described multiple storage card detects all; If described multiple storage card damages all, then the content modification entirely badly identified by card is for representing that multiple storage card damages all.
Further, according to the sense cycle preset, storage card is detected.
Further, when detecting that any one storage card damages, give a warning information, with reminding user.
Further, the warning message stored in any one storage card reaches in memory capacity prescribes a time limit, according to the priority of memory time, and the preferential warning message deleting oldest stored.When storage card space is close to when using up, deletion file the earliest automatically, carries out circulation to the file often opening storage card storage and deletes, and so new file can continue to store, and when circulating deletion, each storage card independently uses, and is independent of each other.
The inventive method achieves and use multi-memory card to carry out interleaved warning message, thus reach the object of losing whole alert files when avoiding certain storage card to damage while low cost expands capacity.The method does not require that the type of multiple storage cards is consistent, capacity is identical, more can bring convenience to user.Because a lot of trigger alarm is as motion detecting, is often continuous trigger a period of time when triggering, several alert files can be produced, employ the mode of interleaved, continuous print alert files can not be caused to lose, at least remain part picture or video recording, the risk of Evidence loss can be reduced like this.This method is the image and short video recording captured after only storing trigger alarm based on intellective video monitoring device, and non-memory continuously recording.Its advantage can save memory space widely, and effectively can record critical event, is convenient to user and having access to evidence afterwards.The more important thing is, after certain storage card damages, conventional continuously recording is far smaller than owing to storing data volume, user is after the equipment alarm information receiving storage card damage, have and compare plenty of time to carry out and keep in repair that (individual picture size of capturing is only tens of KB byte, add that each short video recording of reporting to the police counts MB byte only, calculate according to individual memory card capacity 32GB, the data information of many days can be stored), and can be stored in another storage card at the alarm information of maintenance period, puzzlement can not be brought to user because storage card damage just causes whole intellective video monitoring device normally to use.
Accompanying drawing explanation
Fig. 1 is flow chart of the present invention;
Fig. 2 is storage card overhaul flow chart;
Fig. 3 is embodiment 1 flow chart.
Embodiment
As shown in Figure 1, the method for use multi-memory card store alarms information provided by the present invention, comprises information acquiring step and information storing step, external event trigger alarm, carries out data acquisition by intellective video monitoring device, obtains multistage warning message; By multistage warning message interleaved in multiple storage card.
Be provided with for representing the card bad mark entirely whether multiple storage card all damages in the memory of intellective video monitoring device, and the storage card whether expression storage card corresponding to multiple and described multiple storage card damages identifies, the quantity of this storage card mark is consistent with the quantity of storage card;
Information storing step is specially:
A () first reads the complete bad mark of card, if described multiple storage card damages all, then do not store any warning message; Otherwise, perform step (1);
(1) read the storaging mark that is arranged in the memory of described intellective video monitoring device, described storaging mark for represent the current warning message that will store should stored in storage card;
(b) read the current warning message that will store should stored in storage card storage card mark, if this storage card damages, then perform step (3); Otherwise, perform step (2).
(2) by this section of warning message stored in corresponding storage card;
(3) revise storaging mark, make its represent next time store alarms information time, should stored in storage card; Return step (1), until All Alerts information is stored all.
According to predetermined sense cycle, storage card is monitored, read storage card mark, if this storage card of storage card mark display does not damage, then detect this storage card, according to testing result amendment storage card mark; Read the storage card mark of all the other storage cards, until multiple storage card detects all; If multiple storage card damages all, then the content modification entirely badly identified by card is for representing that multiple storage card damages all.When having detected that storage card damages, send to client, server platform the mail and warning message that storage card damages.As shown in Figure 2, for the flow chart detected two storage cards, first read the storage card mark of first card, if storage card mark display first card is not bad, then first card is detected, according to the content of testing result amendment storage card mark, if first card is bad, then send mail and the warning message of storage card damage to client, server platform; According to same principle, detect second card; If two cards damage all, then the content modification entirely badly identified by card is that expression two storage cards damage all.
Embodiment 1:
As shown in Figure 3, use an intellective video monitoring device supporting double memory cards, use the storage card of 2 32GB, total memory space can reach 64GB, and memory data output has turned over one times relative to a card.The data acquisition that intellective video monitoring device gathers stores to two storage cards with the following methods:
External event triggers intellective video monitoring device and captures picture and short video recording.First read the complete bad mark of card, if two storage cards damage all, then do not store data; Otherwise, read the storage card mark of two storage cards successively, if wherein storage card damages, then by data all stored in another storage card; If two storage cards all do not damage, so check storaging mark, for only there being two storage cards, storaging mark can represent with 0 or 1 should by current data stored in which storage card, as, storaging mark represents when being 1 and is stored on first storage card by the figure captured in current alerts information, inversion operation is carried out to storaging mark, then storaging mark is that short video recording is stored on second storage card by 0 expression, circulate according to this, multistage warning message is alternately stored on two storage cards, until All Alerts information is all stored.When wherein the file of oldest stored, close to when using up, is deleted automatically in a storage card space, so new file can continue to store, and when circulation is deleted, each storage card independently uses, and is independent of each other.When wherein storage card damages and after causing loss of data, the picture of the crawl that the another part another storage card still being preserved same period interval is reported to the police or video file, and after the damage of this storage card, intelligent network video monitoring equipment is understood Auto-Sensing and is sent mail and the warning message of storage card damage to client and server platform, simultaneously before bad storage card is repaired, the alert files newly produced is stored in the storage card not having to damage.
Embodiment 2:
Use an intellective video monitoring device supporting four storage cards, use the storage card of 4 32GB, total memory space reaches 128GB.The data acquisition that equipment gathers stores to four storage cards with the following methods:
First read the complete bad mark of card, if four storage cards damage all, then do not store data; Otherwise, read storaging mark, this storaging mark represent the warning message that will store should stored in storage card, as, this storaging mark represents by warning message stored in the 3rd storage card, reads the storage card mark of the 3rd storage card, if this storage card mark display the 3rd storage card does not damage, then by warning message stored in this card, and revise storaging mark, the warning message making it represent next time to store should stored in the 4th storage card; According to this, read storaging mark, this storaging mark shows the warning message of current all storages stored in the 4th storage card, read the storage card mark of the 4th storage card, if this storage card mark display the 4th storage card damages, then directly revise storage card mark, the warning message making it represent next time to store stored in first storage card, and should send storage card damage warning to user, server platform; Read storaging mark, this storaging mark shows the warning message of current all storages stored in first storage card, read the storage card mark of first storage card, if this this storage card mark display first storage card does not damage, then by warning message stored in first storage card, circulate successively, until all information is stored all.In storing process, if wherein the file of oldest stored, close to when using up, is deleted automatically in a storage card space, so new file can continue to store, and when circulation is deleted, each storage card independently uses, and is independent of each other.
Claims (7)
1. use a method for multi-memory card store alarms information, it is characterized in that, the method comprises:
Information acquiring step: external event trigger alarm, carries out data acquisition by intellective video monitoring device, obtains multistage warning message;
Information storing step: by multistage warning message interleaved in multiple storage card.
2. the method using multi-memory card store alarms information as claimed in claim 1, it is characterized in that, described information storing step is specially:
(1) read the storaging mark that is arranged in the memory of described intellective video monitoring device, described storaging mark for represent the current warning message that will store should stored in storage card;
(2) by this section of warning message stored in corresponding storage card;
(3) revise storaging mark, make its represent next time store alarms information time, should stored in storage card; Return step (1), until All Alerts information is stored all.
3. the method using multi-memory card store alarms information as claimed in claim 2, it is characterized in that, be provided with the card bad mark entirely for representing whether described multiple storage card all damage in the memory of described intellective video monitoring device, and the storage card whether expression storage card corresponding to multiple and described multiple storage card damages identifies;
Before step (1), also comprise step (a): first read the complete bad mark of card, if described multiple storage card damages all, then do not store any warning message; Otherwise, perform step (1);
After step (1), also comprise step (b): read the current warning message that will store should stored in storage card storage card mark, if this storage card damages, then perform step (3); Otherwise, perform step (2).
4. the method using multi-memory card store alarms information as claimed in claim 3, it is characterized in that, described multiple storage card is detected, the complete bad mark of amendment card and multiple storage card mark, be specially: read storage card mark, if this storage card of storage card mark display does not damage, then detect this storage card, according to testing result amendment storage card mark; Read the storage card mark of all the other storage cards, until described multiple storage card detects all; If described multiple storage card damages all, then the content modification entirely badly identified by card is for representing that multiple storage card damages all.
5. the method using multi-memory card store alarms information as claimed in claim 4, it is characterized in that, the sense cycle according to presetting detects storage card.
6. the method using multi-memory card store alarms information as claimed in claim 4, it is characterized in that, when detecting that any one storage card damages, give a warning information.
7. the method for the use multi-memory card store alarms information as described in claim as arbitrary in claim 1-6, it is characterized in that, the warning message stored in any one storage card reaches in memory capacity prescribes a time limit, according to the priority of memory time, and the preferential warning message deleting oldest stored.
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| CN201310596345.3A CN104660968B (en) | 2013-11-22 | 2013-11-22 | A kind of method using multi-memory card storage warning message |
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| CN201310596345.3A CN104660968B (en) | 2013-11-22 | 2013-11-22 | A kind of method using multi-memory card storage warning message |
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| CN110597674A (en) * | 2019-08-05 | 2019-12-20 | 天津华来科技有限公司 | Memory detection method, device, video recording system and storage medium |
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Address after: 210038 10 Hengtong Avenue, Nanjing economic and Technological Development Zone, Nanjing, Jiangsu Patentee after: Nanjing orview electronic Polytron Technologies Inc Address before: 210038 10 Hengtong Avenue, Nanjing economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: Nanjing SWIT Electronics Co., Ltd. |
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