CN105657232A - Restoring method and device for default setting of video camera - Google Patents
Restoring method and device for default setting of video camera Download PDFInfo
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- CN105657232A CN105657232A CN201610160901.6A CN201610160901A CN105657232A CN 105657232 A CN105657232 A CN 105657232A CN 201610160901 A CN201610160901 A CN 201610160901A CN 105657232 A CN105657232 A CN 105657232A
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- video camera
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
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Abstract
The invention discloses a restoring method for default setting of a video camera. The method comprises the steps that default setting information stored in a video camera control system is subjected to backup storage; the power-on duration time of the video camera is detected after the video camera is powered on, the power-on times when the power-on duration time is shorter than a preset normal power-on threshold value are counted, and a count value is continuously reserved after the video camera is powered off, wherein when the one-time power-on duration time reaches the normal power-on threshold value, the counting is reset, and counting is restarted when the next power-on duration time is shorter than the normal power-on threshold value; when the counting reaches the set time threshold value, the backup storage default setting information is used for restoring the default setting of the video camera. The invention further discloses a device corresponding to the method. By means of the restoring method and device, a user does not need to get close to the body of the video camera and can restore the default setting of the video camera only through repeated power-on and power-off, and restoring of the default setting can be achieved by means of an existing power supply circuit, so that button setting of the body of the video camera is not added, and the purpose of easily and rapidly restoring the default setting is achieved.
Description
Technical field
The present invention relates to field of cameras, particularly relate to restoration methods and the device of video camera default setting.
Background technology
Video Surveillance Industry is experiencing from the simulation epoch to the transformation in IP epoch, and shipment amount and the occupation rate of IPC network video camera are increasing. Although the use of web camera is more and more extensive, but in use also occurs in that many problems, the loss of key message often occur, one of them is exactly the loss of IP address, and so can directly contribute web camera cannot use. The loss of IP address has many reasons, wherein many equipment can recover default ip address by certain means, so can quickly repair web camera at the scene, it is to avoid the cost allowance that equipment returns, carry out the recovery of default setting usually by the mode of reset video camera.
The scheme of prior art usually goes out a debugging serial ports inside web camera, loses the video camera of key message such as IP address if able to logged in by serial ports, then can be realized the recovery of IP address by one section of order line.
The scheme of prior art goes out inside video camera due to debugging serial ports, then need to take equipment operation apart, and this action cannot be carried out at the scene, it usually needs equipment returns genuine maintenance, and by external computation, cost is very big.
Therefore the default setting of video camera how when video camera need not be dismantled, can be recovered quickly and easily, be prior art problem to be solved.
Summary of the invention
In order to solve problem of the prior art, now provide a kind of method that can recover default setting quickly and easily.
The restoration methods of a kind of video camera default setting, is backed-up storage including the default information preserved by camera control system, including:
The power on duration of video camera is detected after video camera powers on, power on duration is counted lower than the energising number of times of default normal power-up threshold value, and stay count value in the follow-up continuation of insurance of video camera power-off: when single power on duration reaches normal power-up threshold value, reset counting and restart counting when upper once power on duration is lower than normal power-up threshold value;When counting reaches the frequency threshold value set, the default information of backup storage is used for the recovery of video camera default setting.
Owing to video camera is commonly installed aloft, if directly arranging the recovery button of default setting on video camera, when needs recover, user need nonetheless remain for climbing to eminence and video camera carry out the recovery of default setting, if and this resetkey is extended to ground by electric wire, then not only easily cause false triggering but also seem comparatively unnecessary in most cases. and owing to the switch of video camera typically have access to the position that user can touch, therefore the judgement of the present invention power on duration to video camera and improper power on duration number of times, when user's break-make power supply in multiple times, once number of times exceed default frequency threshold value be judged as user need recover default setting, user need not close to video camera fuselage, have only to the break-make power supply carried out repeatedly can realize recovering default setting, and power supply circuits are existing, have only to increase the part of judgement in video camera, the recovery of default setting can be realized, arrange thus without the button increasing video camera itself. achieve the purpose recovering default setting quickly and easily.
Furthermore, also including judging whether the power on duration of video camera reaches the threshold value that powers on preset, if NO, being then not counted in count value and retain original count value, the threshold value that wherein powers on is less than normal power-up threshold value.
Due to power network fluctuation, video camera is likely to self there is also some due to abnormal electrifying, in order to get rid of the interference factor in the external world, thinks from external interference by power on duration lower than powering on of the threshold value that powers on (such as 5��10 seconds), and unartificial power on/off, thus eliminating interference.
Furthermore, it is additionally included in after video camera powers on, first judges whether the control system off-line time of video camera exceedes default Offtime threshold value, carry out the described detection of video camera power on duration when being judged as YES again.
Owing to power supply is connected on lower section, user likely has some actions plugged continuously (such as change power supply, carry out examination electricity etc.), in order to prevent these actions and real default setting from recovering to obscure, therefore there is also the detection that control system is carried out Offtime, when only control system off-line is more of a specified duration, just think that default setting has been out, just carry out the detection of lasting conduction time in this case.
Furthermore, default information backup is stored in the processor comprising memory element, MCU for backing up storage first sends interrupt signal to the control system of video camera when counting reaches the frequency threshold value set, retransmiting the default information control system to video camera to recover default setting after the control system of video camera returns the successful message of interruption, wherein processor only just communicates with the control system of video camera when transmission default information.
If default information being stored directly in the control system (being generally the FLASH being connected to CPU) of video camera, certain resource of CPU so can be taken in the judgement carrying out power on duration, thus the regular traffic controlling system is interfered, the normal data of slow video camera is dragged to process. Therefore timing and the metering of improper conduction time of power on duration is carried out by independent MCU, ensure that both business not only can parallel processing but also do not interfere with each other, and by carrying out the interruption of CPU before sending default information, the recovery making default information will not make the regular traffic of CPU lose, and also ensure that the stability of video camera regular traffic.Additionally, MCU only ability and control system communication when sending default information, keeps the isolation in communication between the two at other times, this guarantees user and cannot have access to the default information on MCU, and then cannot be carried out distorting, thus ensure the stable of default information and safety.
Furthermore, the processor comprising memory element is the MCU being provided with nonvolatile memory, and accordingly, the count value counted to get and the default information of backup storage are stored in the nonvolatile memory of MCU.
General video camera default setting is stored in the storage device that control system connects, if directly storage device being divided into two parts, a part is for default setting under normal circumstances, another part is for the recovery in information dropout situation, if then storage device loses normal used default information because of unexpected, the very possible part that also can lose backup, therefore the effect of recovery is not had, and store it in in the nonvolatile memory of the MCU controlling system independence, then owing to two storage devices are separate, even and if the part dead electricity backed up also can preserve, therefore there is good stability, avoid the loss of default information, further increase the stability of default information.
A kind of recovery device of video camera default setting, including backup memory module, the default information preserved by camera control system is backed-up storage, including:
Recover module, the power on duration of video camera is detected after video camera powers on, power on duration is counted lower than the energising number of times of default normal power-up threshold value, and stay count value in the follow-up continuation of insurance of video camera power-off: when single power on duration reaches normal power-up threshold value, reset counting and restart counting when upper once power on duration is lower than normal power-up threshold value; When counting reaches the frequency threshold value set, the default information of backup storage is used for the recovery of video camera default setting.
Furthermore, also including the judge module that powers on, it is judged that whether the power on duration of video camera reaches the threshold value that powers on preset, if NO, be then not counted in count value and retain original count value, the threshold value that wherein powers on is less than normal power-up threshold value.
Furthermore, also include Offtime judge module, after video camera powers on, first judge whether the control system off-line time of video camera exceedes default Offtime threshold value, carry out the described detection of video camera power on duration when being judged as YES again.
Furthermore, default information backup is stored in the processor comprising memory element by backup memory module, processor for backing up storage first sends interrupt signal to the control system of video camera when counting reaches the frequency threshold value set, retransmiting the default information control system to video camera to recover default setting after the control system of video camera returns the successful message of interruption, wherein processor only just communicates with the control system of video camera when transmission default information.
Furthermore, the processor comprising memory element is the MCU being provided with nonvolatile memory, accordingly, recover the count value that obtains of module count and backup memory module is backed-up the default information of storage and is stored in the nonvolatile memory of MCU.
The present invention has the prominent advantages that, user need not close to video camera fuselage, have only to the break-make power supply carried out repeatedly can realize, and utilize existing power supply circuits can realize the recovery of default setting, arrange thus without the button increasing video camera itself, it is achieved that recover the purpose of default setting quickly and easily;By independent MCU with send the interruption carrying out CPU before default information, it is possible to ensure both business not only can parallel processing but also do not interfere with each other, also ensure that the stability of video camera regular traffic; MCU only ability and control system communication when sending default information, keeps the isolation in communication between the two at other times, it is ensured that the stable and safety of default information; In the nonvolatile memory of the MCU being stored in and control system independence, then owing to two storage devices are separate, even and if the part dead electricity backed up also can preserve, therefore there is good stability, avoid the loss of default information, further increase the stability of default information.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram that one embodiment of the invention adopts;
Fig. 2 is the workflow diagram of present example.
Detailed description of the invention
For making the present invention clearly understand, in conjunction with the explanation that drawings and Examples are in addition detailed to the present invention.
Fig. 1 is the schematic diagram of one embodiment of the invention. On the hardware structure basis of ordinary network camera, add the default setting recovery device of the present invention, the device of present example concentrates part shown in MCU in FIG, the step that MCU initiates default ip address recovery operation is also fairly simple, do not need other extra instruments, it is only necessary to carry out simple power-on and power-off operation. In present example, with the example that reverts to of IP address, MCU carries out the recovery operation of IP address as in figure 2 it is shown, comprise the steps:
Step one, the default information that camera control system is preserved by backup memory module is backed-up storage.
Present example, video camera is IPC, the default information of video camera is the IP address of IPC, the control system CPU of video camera represents, video camera is stored simultaneously in the built-in EEPROM of FLASH and the MCU being connected to CPU for the default information configured, and user cannot change the default information in the built-in EEPROM of MCU forever. MCU can be communicated with video camera host CPU by I2C or other buses. Under normal condition, do not interact between MCU and CPU. In present example, nonvolatile memory is the EEPROM that MCU single-chip microcomputer is built-in, in other implementations, it can also be other the nonvolatile memory being connected to MCU, such as it is connected to the FLASH of MCU, and this FLASH is only when needs send default information to control system, just communicates with CPU.
Step 2, Offtime judge module is after video camera powers on, it is judged that whether the control system off-line time of video camera exceedes default Offtime threshold value, when being judged as YES, enters step 3, and otherwise video camera normally powers on.
When default setting is lost, the control system of video camera shows as long-term offline state, therefore by arranging Offtime threshold value, it may be judged whether controls system long-term offline, carries out the detection of power on duration when being judged as YES again. This mode take into account power supply and is connected on lower section, user likely has the situation of some actions plugged continuously (such as change power supply, carry out examination electricity etc.), in order to prevent these actions and real default setting from recovering to obscure, therefore control system is carried out the detection of Offtime, when only control system off-line is more of a specified duration, just think that default setting has been out, just carry out the detection of lasting conduction time in this case.Thus avoiding the recovery of false triggering default setting.
For the false triggering action preventing power network fluctuation from causing, power on duration must do certain restriction, the reliability of such guarantee operation. Power on duration for video camera detects, and improper power on duration is counted, and count value is stored in the EEPROM in MCU, continues after a loss of power to preserve.
Step 3, the judge module that powers on judges whether the power on duration of video camera reaches the threshold value that powers on preset, and if NO, then currently this time powers on and is not counted in count value and retains original count value.
Setting powers on threshold value, is set to 10 seconds in present example, then powering on less than 10 seconds can be used as interference and ignore. Eliminate the interference of some non-artificial operations. In this case, original count value is still saved in the nonvolatile memory of MCU, and count value will not change.
Step 4, recover module after video camera powers on, detect the power on duration of video camera, and power on duration is counted lower than the energising number of times of default normal power-up threshold value: when power on duration reaches normal power-up threshold value, reset counting and restart counting when upper once power on duration is lower than normal power-up threshold value; When counting reaches the frequency threshold value set, the default information of backup storage is used for the recovery of video camera default setting.
After video camera power on duration being detected more than the threshold value that powers on, also to judge whether if greater than 20 seconds, power on duration is more than normal power-up threshold value (present example normal power-up threshold value is 20 seconds), then thinks that equipment normally powers on. It is strict with on power-on and power-off number of times, it is to avoid false triggering, for instance present example requires that power-on and power-off number of times is not less than n times, and N is usually not less than 5 simultaneously. When counting exceedes setting threshold value, the default information stored in MCU is sent in FLASH by CPU.
Each power-on time all between 10 seconds and 20 seconds, and power-on and power-off number of times more than 5 times time, when powering on the last time, MCU just can trigger default ip address recovery operation, and notice CPU carries out associative operation.
Recover not communicate under normal circumstances between core devices only one of which low-power scm MCU, the MCU of module and the main system CPU of video camera, but CPU and MCU is powered by same power supply.
In present example, MCU is responsible for detection and the writing function in real time of video camera power-up state, realizes mainly through the intervalometer within MCU, and testing result is write in real time the EEPROM within single-chip microcomputer or in other nonvolatile memories.
Illustrate with IP address, when the IP address in video camera FLASH because unknown cause lost, when needing to recover default ip address, the default ip address that MCU can preserve inside issues CPU by I2C bus, being then written in FLASH, such web camera normally can be have accessed by default ip address again. Default information backup is stored in MCU by backup memory module, MCU for backing up storage first sends interrupt signal to the control system of video camera when counting reaches the frequency threshold value set, and retransmits the default information control system to video camera to recover default setting after successful message is interrupted in the control system return of video camera.
System is detected, it is possible to achieve accurate power-on and power-off timing and tally function by the MCU independent of video camera main system.By above-mentioned control logic, it is possible to by simple power-on and power-off, it is achieved recover the function of web camera default ip address, the maloperation that power network fluctuation brings can be eliminated simultaneously. Add whether CPU is in the judgement of long-term offline state, also for eliminating maloperation further.
After completing recovery default ip address operation, the available existing infrared lamp of IPC glimmers several times, informs that user has become work recovery acquiescence IP, it is possible to scene notebook computer carries out line confirmation.
In present example, MCU and web camera host CPU adopt same set of power supply to power, and MCU works alone simultaneously, without influence on the normal operation of video camera. In other implementation, MCU can not needed, directly utilize the original CPU of video camera and also can complete the detection operation of default setting, but actually, business during CPU work is extremely complex, and internal process is very many, carries out power-on and power-off detection with CPU and has bigger uncertainty, it is easy to be formed with CPU other business internal conflict, so preferably realizing above-mentioned functions with an extra independent MCU. MCU only ability and control system communication when sending default information, the isolation in communication is kept between the two at other times, this guarantees user and cannot have access to the default information on MCU, and then cannot be carried out distorting, thus ensureing the stable of default information and safety.
The present invention has the prominent advantages that, user need not close to video camera fuselage, have only to the break-make power supply carried out repeatedly can realize, and utilize existing power supply circuits can realize the recovery of default setting, arrange thus without the button increasing video camera itself, it is achieved that recover the purpose of default setting quickly and easily; By independent MCU with send the interruption carrying out CPU before default information, it is possible to ensure both business not only can parallel processing but also do not interfere with each other, also ensure that the stability of video camera regular traffic; MCU only ability and control system communication when sending default information, keeps the isolation in communication between the two at other times, it is ensured that the stable and safety of default information; In the nonvolatile memory of the MCU being stored in and control system independence, then owing to two storage devices are separate, even and if the part dead electricity backed up also can preserve, therefore there is good stability, avoid the loss of default information, further increase the stability of default information.
Claims (10)
1. a restoration methods for video camera default setting, is backed-up storage including the default information preserved by camera control system, it is characterised in that including:
The power on duration of video camera is detected after video camera powers on, power on duration is counted lower than the energising number of times of default normal power-up threshold value, and stay count value in the follow-up continuation of insurance of video camera power-off: when single power on duration reaches normal power-up threshold value, reset counting and restart counting when upper once power on duration is lower than normal power-up threshold value; When counting reaches the frequency threshold value set, the default information of backup storage is used for the recovery of video camera default setting.
2. the restoration methods of video camera default setting as claimed in claim 1, it is characterized in that, also include judging whether the power on duration of video camera reaches the threshold value that powers on preset, if NO, then being not counted in count value and retain original count value, the threshold value that wherein powers on is less than normal power-up threshold value.
3. the restoration methods of video camera default setting as claimed in claim 1, it is characterized in that, it is additionally included in after video camera powers on, first judge whether the control system off-line time of video camera exceedes default Offtime threshold value, carry out the described detection of video camera power on duration when being judged as YES again.
4. the restoration methods of video camera default setting as claimed in claim 1, it is characterized in that, default information backup is stored in the processor comprising memory element, processor for backing up storage first sends interrupt signal to the control system of video camera when counting reaches the frequency threshold value set, retransmiting the default information control system to video camera to recover default setting after the control system of video camera returns the successful message of interruption, wherein processor only just communicates with the control system of video camera when transmission default information.
5. the restoration methods of 4 video camera default settings as claimed in claim, it is characterized in that, the processor comprising memory element is the MCU being provided with nonvolatile memory, and accordingly, the count value counted to get and the default information of backup storage are stored in the nonvolatile memory of MCU.
6. a recovery device for video camera default setting, including backup memory module, the default information preserved by camera control system is backed-up storage, it is characterised in that including:
Recover module, the power on duration of video camera is detected after video camera powers on, power on duration is counted lower than the energising number of times of default normal power-up threshold value, and stay count value in the follow-up continuation of insurance of video camera power-off: when single power on duration reaches normal power-up threshold value, reset counting and restart counting when upper once power on duration is lower than normal power-up threshold value; When counting reaches the frequency threshold value set, the default information of backup storage is used for the recovery of video camera default setting.
7. the recovery device of video camera default setting as claimed in claim 6, it is characterized in that, also include the judge module that powers on, judge whether the power on duration of video camera reaches the threshold value that powers on preset, if NO, then being not counted in count value and retain original count value, the threshold value that wherein powers on is less than normal power-up threshold value.
8. the recovery device of video camera default setting as claimed in claim 6, it is characterized in that, also include Offtime judge module, after video camera powers on, first judge whether the control system off-line time of video camera exceedes default Offtime threshold value, carry out the described detection of video camera power on duration when being judged as YES again.
9. the recovery device of video camera default setting as claimed in claim 6, it is characterized in that, default information backup is stored in the processor comprising memory element by backup memory module, processor for backing up storage first sends interrupt signal to the control system of video camera when counting reaches the frequency threshold value set, retransmiting the default information control system to video camera to recover default setting after the control system of video camera returns the successful message of interruption, wherein processor only just communicates with the control system of video camera when transmission default information.
10. the recovery device of video camera default setting as claimed in claim 9, it is characterized in that, the processor comprising memory element is the MCU being provided with nonvolatile memory, accordingly, recover the count value that obtains of module count and backup memory module is backed-up the default information of storage and is stored in the nonvolatile memory of MCU.
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| CN201610160901.6A CN105657232A (en) | 2016-03-21 | 2016-03-21 | Restoring method and device for default setting of video camera |
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| CN201610160901.6A CN105657232A (en) | 2016-03-21 | 2016-03-21 | Restoring method and device for default setting of video camera |
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