CN110365895A - Photographic device adjusting method, system, readable storage medium storing program for executing and equipment - Google Patents
Photographic device adjusting method, system, readable storage medium storing program for executing and equipment Download PDFInfo
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- CN110365895A CN110365895A CN201910476637.0A CN201910476637A CN110365895A CN 110365895 A CN110365895 A CN 110365895A CN 201910476637 A CN201910476637 A CN 201910476637A CN 110365895 A CN110365895 A CN 110365895A
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/65—Control of camera operation in relation to power supply
- H04N23/651—Control of camera operation in relation to power supply for reducing power consumption by affecting camera operations, e.g. sleep mode, hibernation mode or power off of selective parts of the 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
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
- H04N23/661—Transmitting camera control signals through networks, e.g. control via the Internet
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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
- H04N23/60—Control of cameras or camera modules
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
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- Engineering & Computer Science (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to a kind of photographic device adjusting method, system, readable storage medium storing program for executing and equipment, belong to field of energy-saving technology, since photographic device enters deep sleep mode, record photographic device is in the first time of deep sleep mode, when reaching the listening intervals time, from wireless access points received beacon frame, if there are cache tags in beacon frame, show that wireless access points have had the network data of caching, i.e. the network data needs to be transmitted to photographic device, photographic device can be waken up at this time, from wireless access points receiving network data.This scheme can make photographic device be in deep sleep mode, deep sleep mode hardly power consumption, pass through the setting of listening intervals time and the judgement of beacon frame, when wireless access points have the network data of caching, photographic device can be waken up, and from wireless access points receiving network data, prevents loss of data, it realizes that photographic device normally receives network data, while reducing power consumption.
Description
Technical field
The present invention relates to field of energy-saving technology, more particularly to a kind of photographic device adjusting method, system, readable storage medium
Matter and equipment.
Background technique
With the development of Internet of Things, more and more intelligent camera devices have accessed network.In the trend for pursuing low-power consumption
Under, photographic device starts to be equipped with battery module, but the capacity of battery is limited always, the case where not accessing external power supply
Under, photographic device needs work long hours in suspend mode,
If there is data to need to be transferred to photographic device on network, at this time photographic device in a dormant state, then just need
The wireless access points connecting with photographic device are data cached for a long time, if the limited memory of wireless access points, hold
Easily there is loss of data；And photographic device is set to active state by traditional mode, will lead to power consumption height.
Summary of the invention
Based on this, it is necessary to it is easily lost network data in a dormant state for a long time for traditional photographic device, it will
Photographic device is set to the problem of active state can improve power consumption, provides a kind of photographic device adjusting method, system, readable deposits
Storage media and equipment.
A kind of photographic device adjusting method, comprising the following steps:
When photographic device is in deep sleep mode, record is in the first time of deep sleep mode；
If at the first time reach the listening intervals time, from wireless access points received beacon frame, judge be in beacon frame
It is no that there are cache tags；
If so, waking up photographic device, and from wireless access points receiving network data.
It is the record camera shooting since photographic device enters deep sleep mode according to above-mentioned photographic device adjusting method
Device is in the first time of deep sleep mode, with the growth of first time, can reach the listening intervals time, at this time can be from
Wireless access points received beacon frame, beacon frame is first data frame started when data transmission, wherein including data
Attribute information, if data be it is data cached, corresponding cache tag will record within a beacon frame, if in beacon frame exist caching
Mark, shows that wireless access points have had the network data of caching, i.e. the network data needs to be transmitted to photographic device, this
When can wake up photographic device, from wireless access points receiving network data.This scheme can make photographic device in general feelings
It is in deep sleep mode under condition, deep sleep mode hardly power consumption, by the setting of listening intervals time and the judgement of beacon frame,
When wireless access points have the network data of caching, photographic device can be waken up, and receive net from wireless access points
Network data prevent loss of data, realize that photographic device normally receives network data, while reducing power consumption.
Photographic device adjusting method is further comprising the steps of in one of the embodiments:
After reaching the listening intervals time at the first time, photographic device is switched into shallow sleep pattern, opens photographic device
Radio-frequency transmitter, wherein radio-frequency transmitter be used for received beacon frame.
Photographic device adjusting method is further comprising the steps of in one of the embodiments:
The first data volume for obtaining received historical network data obtains the second data of currently received network data
Amount, is weighted and averaged according to the first data volume and the second data volume, obtains average value, when updating listening intervals according to average value
Between.
Photographic device adjusting method is further comprising the steps of in one of the embodiments:
Judge whether currently received network data is keep-alive data, if so, setting according to the updated listening intervals time
It sets the keep-alive time, and the information of keep-alive time is added to and is replied in message, message will be replied with scheduled rate by wirelessly visiting
Ask that access point returns.
Photographic device adjusting method is further comprising the steps of in one of the embodiments:
If cache tag is not present in beacon frame, photographic device is switched into deep sleep mode.
A kind of photographic device regulating system, comprising:
Time recording unit, for when photographic device is in deep sleep mode, record to be in the first of deep sleep mode
Time；
Beacon inspection unit, for receiving and believing from wireless access points when reaching the listening intervals time at the first time
Frame is marked, is judged in beacon frame with the presence or absence of cache tag；
Receiving unit being waken up, when for there is cache tag within a beacon frame, waking up photographic device, and connect from accessing wirelessly
Access point receiving network data.
According to above-mentioned photographic device regulating system, time recording unit since photographic device enters deep sleep mode,
The first time that record photographic device is in deep sleep mode can reach the listening intervals time with the growth of first time, this
Shi Xinbiao inspection unit can be the first number started when data transmission from wireless access points received beacon frame, beacon frame
According to frame, wherein include the attribute information of data, if data be it is data cached, corresponding cache tag will record in beacon frame
In, if showing that wireless access points have had the network data of caching, the i.e. network data there are cache tag in beacon frame
Need to be transmitted to photographic device, photographic device can be waken up at this time by waking up receiving unit, receive network from wireless access points
Data.This scheme can make photographic device be in deep sleep mode under normal circumstances, and deep sleep mode hardly power consumption passes through
The setting of listening intervals time and the judgement of beacon frame can wake up when wireless access points have the network data of caching
Photographic device, and from wireless access points receiving network data, loss of data is prevented, realizes photographic device to network number
According to normally receive, while reducing power consumption.
Beacon inspection unit fills camera shooting after reaching the listening intervals time at the first time in one of the embodiments,
It sets and switches to shallow sleep pattern, open the radio-frequency transmitter of photographic device, wherein radio-frequency transmitter is used for received beacon frame.
Photographic device regulating system further includes time updating unit in one of the embodiments, has been received for obtaining
Historical network data the first data volume, the second data volume of currently received network data is obtained, according to the first data volume
It is weighted and averaged with the second data volume, obtains average value, the listening intervals time is updated according to average value.
Photographic device regulating system further includes keep-alive setting unit in one of the embodiments, is currently connect for judging
Whether the network data of receipts is keep-alive data, if so, the keep-alive time is arranged according to the updated listening intervals time, and by keep-alive
The information of time, which is added to, replys in message, will reply message and is returned with scheduled rate by wireless access points.
When cache tag is not present in wake-up receiving unit within a beacon frame in one of the embodiments, by photographic device
Switch to deep sleep mode.
A kind of readable storage medium storing program for executing, is stored thereon with executable program, realizes when executable code processor executes
The step of photographic device adjusting method stated.
Above-mentioned readable storage medium storing program for executing can be such that photographic device locates under normal circumstances by the executable program that it is stored
In deep sleep mode, deep sleep mode hardly power consumption, by the setting of listening intervals time and the judgement of beacon frame, wireless
When access points have the network data of caching, photographic device can be waken up, and from wireless access points receiving network data,
Loss of data is prevented, realizes that photographic device normally receives network data, while reducing power consumption.
A kind of photographic device, including memory and processor, memory are stored with executable program, and processor execution can be held
The step of above-mentioned photographic device adjusting method is realized when line program.
Above-mentioned photographic device can make photographic device from general feelings by running executable program on a processor
It is in deep sleep mode under condition, deep sleep mode hardly power consumption, by the setting of listening intervals time and the judgement of beacon frame,
When wireless access points have the network data of caching, photographic device can be waken up, and receive net from wireless access points
Network data prevent loss of data, realize that photographic device normally receives network data, while reducing power consumption.
A kind of wireless access terminal, wireless access terminal wirelessly connect as wireless access points and above-mentioned photographic device
It connects.
Above-mentioned wireless access terminal may be coupled to network, and as wireless access points and above-mentioned photographic device
Wireless communication, transmission needs to be sent to the buffer network data of photographic device at the time of appropriate, can make photographic device
It is in deep sleep mode, deep sleep mode hardly power consumption, setting and beacon by the listening intervals time under normal circumstances
The judgement of frame can wake up photographic device when wireless access terminal has the network data of caching, and photographic device is from accessing wirelessly
Terminal receiving network data prevents loss of data, realizes that photographic device normally receives network data, while reducing consumption
Electricity.
A kind of controlling terminal, controlling terminal are connect by network with above-mentioned wireless access terminal, and through accessing wirelessly end
End control photographic device.
Above-mentioned controlling terminal is connect by network with above-mentioned wireless access terminal, can be by control instruction with network number
According to form send, and be transmitted to photographic device by wireless access terminal, for controlling the state and function of photographic device, take the photograph
As device is in deep sleep mode under normal circumstances, deep sleep mode hardly power consumption passes through the setting of listening intervals time
Photographic device can be waken up when wireless access points have the network data of caching with the judgement of beacon frame, photographic device from
Wireless access points receiving network data prevents loss of data, realizes that photographic device normally receives network data,
Power consumption is reduced simultaneously.
Detailed description of the invention
Fig. 1 is the flow diagram of the photographic device adjusting method in one embodiment；
Fig. 2 is the structural schematic diagram of the photographic device regulating system in one embodiment；
Fig. 3 is the structural schematic diagram of the photographic device regulating system in another embodiment；
Fig. 4 is the structural schematic diagram of the photographic device regulating system in another embodiment；
Fig. 5 is the network topology schematic diagram of the photographic device in one embodiment；
Fig. 6 is the idiographic flow schematic diagram of the photographic device adjusting method in one embodiment.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention more comprehensible, with reference to the accompanying drawings and embodiments, to this
Invention is described in further detail.It should be appreciated that the specific embodiments described herein are only used to explain the present invention,
And the scope of protection of the present invention is not limited.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
" first second " is only to distinguish similar object it should be noted that term involved in the embodiment of the present invention,
The particular sorted for object is not represented, it is possible to understand that ground, " first second " can be interchanged specific suitable in the case where permission
Sequence or precedence.It should be understood that the object that " first second " is distinguished is interchangeable under appropriate circumstances, so that described herein
The embodiment of the present invention can be performed in other sequences than those illustrated or described herein.
Photographic device adjusting method provided by the present application can be applied to the various intelligent networking photographic devices for monitoring
In, such as the monitor camera device of cell, office, family etc..
It is shown in Figure 1, it is the flow diagram of the photographic device adjusting method of one embodiment of the invention.The embodiment
In photographic device adjusting method the following steps are included:
Step S110: when photographic device is in deep sleep mode, record is in the first time of deep sleep mode；
In this step, photographic device can enter deep sleep mode when not working, and deep sleep mode is extremely low power dissipation
Mode, close the function of receiving and sending messages of photographic device, hardly power consumption is to enter deep sleep from photographic device at the first time
Start timing when mode；
Step S120: if reaching the listening intervals time at the first time, from wireless access points received beacon frame, judge to believe
It marks and whether there is cache tag in frame；
In this step, the listening intervals time refers to the interval time of the beacon frame of monitoring wireless access points, i.e., often
The listening intervals time is spent, monitoring judges whether to deposit from the received beacon of wireless access points, and from corresponding beacon frame
In cache tag, which refers to the data cached mark for needing to be sent to photographic device in wireless access points
Will；
Step S130: if so, waking up photographic device, and from wireless access points receiving network data.
In this step, there are cache tag in beacon frame, show that current wireless access points have the network of caching
Data need to be sent to photographic device, can wake up photographic device from deep sleep mode, access in time from accessing wirelessly at this time
Point receiving network data.
In the present embodiment, since photographic device enters deep sleep mode, record photographic device is in deep sleep mode
First time can reach the listening intervals time with the growth of first time, can be received at this time from wireless access points
Beacon frame, beacon frame is first data frame started when data transmission, wherein including the attribute information of data, if data are
Data cached, corresponding cache tag will record within a beacon frame, if showing that accessing wirelessly connects there are cache tag in beacon frame
Access point has had the network data of caching, i.e. the network data needs to be transmitted to photographic device, can wake up photographic device at this time,
From wireless access points receiving network data.This scheme can make photographic device be in deep sleep mode under normal circumstances,
Deep sleep mode hardly power consumption has by the setting of listening intervals time and the judgement of beacon frame in wireless access points
When the network data of caching, photographic device can be waken up, and from wireless access points receiving network data, prevents data
It loses, realizes that photographic device normally receives network data, while reducing power consumption.
It should be noted that the step of above-mentioned photographic device adjusting method can execute in photographic device, filled by camera shooting
Itself working condition of control is set, idle is in deep sleep state, is transmitted to photographic device wireless access points are in need
Network data when, in time wake up receive data.
Further, photographic device can be it is various types of be suitable for communication video camera, as wifi formula video camera,
Battery type wifi formula video camera etc.；Cache tag can be caching unicast flag of frame, caching multicast flag of frame or cached broadcast
Flag of frame etc..
In one embodiment, photographic device adjusting method is further comprising the steps of:
After reaching the listening intervals time at the first time, photographic device is switched into shallow sleep pattern, opens photographic device
Radio-frequency transmitter, wherein radio-frequency transmitter be used for received beacon frame.
In the present embodiment, after reaching the listening intervals time at the first time, photographic device is switched from deep sleep mode
To shallow sleep pattern, the radio-frequency transmitter of photographic device is opened, which is used for received beacon frame, for subsequent to letter
Mark frame is judged, also, due to being to open radio-frequency transmitter under shallow sleep pattern, the power of radio-frequency transmitter is lower, both
It is enough received beacon frame, and low relative to normal operating mode power consumption, achievees the effect that save electricity.
In one embodiment, photographic device adjusting method is further comprising the steps of:
The first data volume for obtaining received historical network data obtains the second data of currently received network data
Amount, is weighted and averaged according to the first data volume and the second data volume, obtains average value, when updating listening intervals according to average value
Between.
In the present embodiment, available photographic device received historical network data data volume be the first data
Amount, using the data volume of currently received network data as the second data volume, using the first data volume and the second data volume plus
Weight average value is updated the listening intervals time, makes listening intervals time dynamic, is more in line with real network data volume
Transmission demand, shorten the listening intervals time when data volume is larger, extend the listening intervals time when data volume is few, avoid counting
Electricity is saved according to while loss.
Specifically, received historical network data is the received net in the predetermined time before current receiving network data
Network data can calculate the listening intervals time by average weighted algorithm, and formula is as follows:
The network data that web database technology+(1- α) in listening intervals time=α past preset time is currently reached
Data volume
In above formula, α represents weighting coefficient, can be adjusted according to actual needs；After obtaining the new listening intervals time,
It can be updated by re-association mode, change the frequency for monitoring beacon.
In one embodiment, photographic device adjusting method is further comprising the steps of:
Judge whether currently received network data is keep-alive data, if so, setting according to the updated listening intervals time
It sets the keep-alive time, and the information of keep-alive time is added to and is replied in message, message will be replied with scheduled rate by wirelessly visiting
Ask that access point returns.
In the present embodiment, can judge whether it is keep-alive data after receiving network data, if keep-alive data,
Expression needs to keep being connected to the network by wireless access points, when keep-alive is arranged using the updated listening intervals time at this time
Between, and the information of keep-alive time is added to and is replied in message, replying message is to be directed to received network data, is reported replying
Text is returned with scheduled rate by wireless access points, and replying the keep-alive temporal information in message may be used to indicate update default
The keep-alive time, it is ensured that keep network connection, realize data keep-alive.
Both sides establish the connection of interaction, but are not to always exist data interaction, some connections can be complete in data interaction
Bi Hou, actively release connection, and some will not, then have can by interaction both sides within the period of long-time no data interaction
The various accidents such as power down, crash, abnormal restarting can occur, after these surprisingly occur, these connect and have not enough time to normal
Release, then, the case where another party of connection is not aware that opposite end, it can safeguard always this connection, prolonged to accumulate meeting
Lead to very more half-open connections, cause the consumption and waste of end system resource, realizes number using the keep-alive time in message
It can solve this problem according to keep-alive.
Further, scheduled rate is to save relative to the lower rate of normal communication rate when returning and replying message
Electricity；The keep-alive time can be calculated by formula algorithm, formula is as follows:
The keep-alive time=β listening intervals time
In above formula, β represents setting coefficient, can be adjusted according to actual needs.
In one embodiment, photographic device adjusting method is further comprising the steps of:
If cache tag is not present in beacon frame, photographic device is switched into deep sleep mode.
In the present embodiment, when cache tag being not present within a beacon frame, photographic device is switched to from shallow sleep pattern
Deep sleep mode, the electricity of energy saving photographic device；It can record at the first time, again beacon frame be monitored again later.
According to above-mentioned photographic device adjusting method, the embodiment of the present invention also provides a kind of photographic device regulating system, below
The embodiment of photographic device regulating system is described in detail.
It is shown in Figure 2, it is the structural schematic diagram of the photographic device regulating system of one embodiment.Taking the photograph in the embodiment
As device regulating system includes:
Time recording unit 210, for when photographic device be in deep sleep mode, record is in the of deep sleep mode
One time；
Beacon inspection unit 220, for being received from wireless access points when reaching the listening intervals time at the first time
Beacon frame judges in beacon frame with the presence or absence of cache tag；
Receiving unit 230 being waken up, when for there is cache tag within a beacon frame, waking up photographic device, and visit from wireless
Ask access point receiving network data.
In the present embodiment, time recording unit 210 records photographic device since photographic device enters deep sleep mode
First time in deep sleep mode can reach the listening intervals time with the growth of first time, and beacon examination at this time is single
Member 220 can be first data frame started when data transmission from wireless access points received beacon frame, beacon frame, wherein
Include the attribute information of data, if data be it is data cached, corresponding cache tag will record within a beacon frame, if beacon frame
In there are cache tag, show that wireless access points have had the network data of caching, i.e. network data needs are transmitted to
Photographic device, photographic device can be waken up at this time by waking up receiving unit 230, from wireless access points receiving network data.This
Scheme can make photographic device be in deep sleep mode, deep sleep mode hardly power consumption, between monitoring under normal circumstances
Every the setting of time and the judgement of beacon frame, when wireless access points have the network data of caching, camera shooting dress can be waken up
It sets, and from wireless access points receiving network data, prevents loss of data, realize photographic device to network data just
It often receives, while reducing power consumption.
In one embodiment, beacon inspection unit 220 after reaching the listening intervals time at the first time, by photographic device
Shallow sleep pattern is switched to, the radio-frequency transmitter of photographic device is opened, wherein radio-frequency transmitter is used for received beacon frame.
In one embodiment, as shown in figure 3, photographic device regulating system further includes time updating unit 240, for obtaining
The first data volume for taking received historical network data obtains the second data volume of currently received network data, according to
One data volume and the second data volume are weighted and averaged, and obtain average value, update the listening intervals time according to average value.
In one embodiment, as shown in figure 4, photographic device regulating system further includes keep-alive setting unit 250, for sentencing
Whether currently received network data of breaking is keep-alive data, if so, the keep-alive time is arranged according to the updated listening intervals time,
And the information of keep-alive time is added to and is replied in message, message will be replied and returned with scheduled rate by wireless access points
It returns.
In one embodiment, receiving unit 230 is waken up within a beacon frame there is no when cache tag, and photographic device is cut
Shift to deep sleep mode.
The photographic device regulating system of the embodiment of the present invention and above-mentioned photographic device adjusting method correspond, and take the photograph above-mentioned
The technical characteristic and its advantages that illustrate as the embodiment of device adjusting method are suitable for the reality of photographic device regulating system
It applies in example.
A kind of readable storage medium storing program for executing, is stored thereon with executable program, realizes when executable code processor executes
The step of photographic device adjusting method stated.
Above-mentioned readable storage medium storing program for executing can be such that photographic device locates under normal circumstances by the executable program that it is stored
In deep sleep mode, deep sleep mode hardly power consumption, by the setting of listening intervals time and the judgement of beacon frame, wireless
When access points have the network data of caching, photographic device can be waken up, and from wireless access points receiving network data,
Loss of data is prevented, realizes that photographic device normally receives network data, while reducing power consumption.
A kind of photographic device, including memory and processor, memory are stored with executable program, and processor execution can be held
The step of above-mentioned photographic device adjusting method is realized when line program.
Above-mentioned photographic device can make photographic device from general feelings by running executable program on a processor
It is in deep sleep mode under condition, deep sleep mode hardly power consumption, by the setting of listening intervals time and the judgement of beacon frame,
When wireless access points have the network data of caching, photographic device can be waken up, and receive net from wireless access points
Network data prevent loss of data, realize that photographic device normally receives network data, while reducing power consumption.
In one embodiment, photographic device further includes radio-frequency transmitter, is used for received beacon frame.
Further, photographic device further includes wireless transport module, for carrying out wireless communication with wireless access points.
A kind of wireless access terminal, wireless access terminal wirelessly connect as wireless access points and above-mentioned photographic device
It connects.
Above-mentioned wireless access terminal may be coupled to network, and as wireless access points and above-mentioned photographic device
Wireless communication, transmission needs to be sent to the buffer network data of photographic device at the time of appropriate, can make photographic device
It is in deep sleep mode, deep sleep mode hardly power consumption, setting and beacon by the listening intervals time under normal circumstances
The judgement of frame can wake up photographic device when wireless access terminal has the network data of caching, and photographic device is from accessing wirelessly
Terminal receiving network data prevents loss of data, realizes that photographic device normally receives network data, while reducing consumption
Electricity.
A kind of controlling terminal, controlling terminal are connect by network with above-mentioned wireless access terminal, and through accessing wirelessly end
End control photographic device.
Above-mentioned controlling terminal is connect by network with above-mentioned wireless access terminal, can be by control instruction with network number
According to form send, and be transmitted to photographic device by wireless access terminal, for controlling the state and function of photographic device, take the photograph
As device is in deep sleep mode under normal circumstances, deep sleep mode hardly power consumption passes through the setting of listening intervals time
Photographic device can be waken up when wireless access points have the network data of caching with the judgement of beacon frame, photographic device from
Wireless access points receiving network data prevents loss of data, realizes that photographic device normally receives network data,
Power consumption is reduced simultaneously.
Those of ordinary skill in the art will appreciate that realizing above-described embodiment for the whole in photographic device adjusting method
Or part process, it is that relevant hardware can be instructed to complete by computer program, it is non-volatile that program can be stored in one
Computer-readable storage medium in, in embodiment, which be can be stored in the storage medium of computer system, and by
At least one processor in the computer system executes, and includes such as the embodiment of above-mentioned photographic device adjusting method to realize
Process.Wherein, storage medium can be magnetic disk, CD, read-only memory (Read-Only Memory, ROM) or deposit at random
Store up memory body (Random Access Memory, RAM) etc..
In one embodiment, above-mentioned photographic device adjusting method can be applied to need to save the shooting scene of electricity
In, such as battery type wifi video camera.
Battery type wifi video camera and wireless access terminal, the network topology of controlling terminal are as shown in Figure 5.
Battery type wifi video camera needs to work long hours as far as possible in suspend mode, to achieve the purpose that save electricity.
Battery type wifi video camera works long hours when suspend mode, if there is data to reach video camera on network, needs nothing
Line access terminal (i.e. AP, also referred to as wireless access points) is data cached for a long time, if AP limited memory, is easy
The case where existing loss of data.In addition, the process of wifi camera shooting interconnection plane needs to carry out the routine works such as keep-alive with outer net, at this moment such as
Fruit keep-alive, which acts frequently, will lead to power consumption height.
Battery type wifi video camera is connected to AP by wifi, and AP is by being wiredly connected to the cloud platform of public network, and control is eventually
The APP at end can carry out the video beforehand research for being directed to video camera and control battery type wifi video camera by accessing cloud platform.Electricity
Pool wifi video camera is under suspend mode the beacon frame (beacon frame) for needing periodic awakening to monitor AP, whether checks outer net
There are data to be sent to video camera, simultaneous camera also needs to carry out the processing of keep-alive data with cloud platform, it is ensured that presence.
In order to achieve the purpose that save electricity, detailed process is as follows for the technical program:
The data volume that statistics network reaches calculates listening intervals time (listen with average weighted algorithm
Interval), the listening intervals time is changed by re-association.Wherein listening intervals time calculation method is as follows:
The network flow of this arrival of the listening intervals time=past network flow of α *+(1- α) *
In above formula, past network flow refers to relatively current, the web database technology in the past period.
When carrying out keep-alive with outer net, the low rate for selecting power consumption few carries out the reply of keep-alive data, while in reply
Extend the keep-alive time according to listening intervals adjusted in message.Keep-alive time calculation method is as follows:
The keep-alive time=β * listening intervals
Suspend mode is divided into deep sleep and shallow sleep pattern, radio-frequency receiving-transmitting function is wherein closed under deep sleep mode, almost
Not power consumption；Lower opening radio-frequency transmitter of shallow sleep pattern, for monitoring beacon frame, shallow sleep pattern is compared to normal work
Operation mode, power consumption are also very low.
Relevant treatment process as shown in fig. 6, when video camera enters deep sleep mode, record in deep sleep mode the
One time, if not up to listen interval timing (listening intervals time), video camera is constantly in deep sleep mould
Formula, when reaching listen interval timing (listening intervals time), by camera switching to shallow sleep pattern, and
Radio-frequency transmitter is opened, the beacon frame that AP is sent is received, whether judgement wherein has caching unicast flag of frame, cache unicast frame mark
Will indicates the network data in need for being sent to current camera in the data of AP caching, if it is not, by camera switching to sound sleep
Sleep mode；If so, waking up photographic device, and from wireless access points receiving network data；
Meanwhile statistical data amount adjust listen interval timing, and judge received network data whether be
Keep-alive data, if it is not, by camera switching to deep sleep mode；If so, according between monitoring adjusted in the message of reply
Extend the keep-alive time every the time.
The technical program reaches the beacon listening intervals of dynamic setting using reassociation requests relative to traditional scheme
Time, keep-alive time adjust with listening intervals time dynamic, can take into account the operating mode of video camera routine, while in not shadow
The electricity for saving battery type wifi video camera in the premise of normal use is rung, battery is extended.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Those of ordinary skill in the art will appreciate that implement the method for the above embodiments be can be with
Relevant hardware is instructed to complete by program.The program can store in read/write memory medium.The program exists
When execution, include the steps that described in the above method.The storage medium, comprising: ROM/RAM, magnetic disk, CD etc..
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of photographic device adjusting method, which comprises the following steps:
When photographic device is in deep sleep mode, record is in the first time of deep sleep mode；
If the first time reaches the listening intervals time, from wireless access points received beacon frame, the beacon frame is judged
In whether there is cache tag；
If so, wake up the photographic device, and from the wireless access points receiving network data.
2. photographic device adjusting method according to claim 1, which is characterized in that further comprising the steps of:
After the first time reaches the listening intervals time, the photographic device is switched into shallow sleep pattern, described in unlatching
The radio-frequency transmitter of photographic device, wherein the radio-frequency transmitter is for receiving the beacon frame.
3. photographic device adjusting method according to claim 1, which is characterized in that further comprising the steps of:
The first data volume for obtaining received historical network data obtains the second data volume of currently received network data,
It is weighted and averaged according to first data volume and second data volume, obtains average value, updated according to the average value
The listening intervals time.
4. photographic device adjusting method according to claim 3, which is characterized in that further comprising the steps of:
Judge whether currently received network data is keep-alive data, is protected if so, being arranged according to the updated listening intervals time
Live time, and the information of the keep-alive time is added to and is replied in message, the reply message is passed through into institute with scheduled rate
State wireless access points return.
5. photographic device adjusting method as claimed in any of claims 1 to 4, which is characterized in that further include following
Step:
If cache tag is not present in the beacon frame, the photographic device is switched into deep sleep mode.
6. a kind of photographic device regulating system characterized by comprising
Time recording unit, for when photographic device is in deep sleep mode, record to be in the first time of deep sleep mode；
Beacon inspection unit, for receiving and believing from wireless access points when the first time reaching the listening intervals time
Frame is marked, is judged in the beacon frame with the presence or absence of cache tag；
Wake up receiving unit, in the beacon frame there are when cache tag, waking up the photographic device, and from the nothing
Line access points receiving network data.
7. a kind of readable storage medium storing program for executing, is stored thereon with executable program, which is characterized in that the executable code processor
The step of photographic device adjusting method described in any one of claim 1 to 5 is realized when execution.
8. a kind of photographic device, including memory and processor, the memory are stored with executable program, which is characterized in that
The processor realizes photographic device adjusting side described in any one of claim 1 to 5 when executing the executable program
The step of method.
9. a kind of wireless access terminal, which is characterized in that the wireless access terminal is wanted as wireless access points and right
Photographic device described in asking 8 is wirelessly connected.
10. a kind of controlling terminal, which is characterized in that the controlling terminal passes through network and accessing wirelessly as claimed in claim 9
Terminal connection, and the photographic device is controlled through the wireless access terminal.
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