CN110139235A - The management method and system of the wireless sensor of dynamic environment monitoring system - Google Patents
The management method and system of the wireless sensor of dynamic environment monitoring system Download PDFInfo
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- CN110139235A CN110139235A CN201910377864.8A CN201910377864A CN110139235A CN 110139235 A CN110139235 A CN 110139235A CN 201910377864 A CN201910377864 A CN 201910377864A CN 110139235 A CN110139235 A CN 110139235A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a kind of management method of the wireless sensor of dynamic environment monitoring system and systems, this method comprises: the activation record before the current time of more than one wireless sensor for collecting station for acquiring its subordinate；The remaining capacity of corresponding wireless sensor is assessed according to the activation record before current time；According to the remaining capacity of wireless sensor, the acquisition for increasing or reducing wireless sensor reports frequency, to reduce or improve the power consumption rate of wireless sensor.The present invention is estimated that the remaining capacity of sensor, and the time for keeping the power consumption of the same wireless sensor for collecting website subordinate to finish is almost the same, can mitigate the maintenance workload of the staff of wireless communication battery powered sensor.
Description
Technical field
The present invention relates to signal acquisition fields, more particularly to can be used for industrial and agricultural production, construction in the middle based on wireless sensing
The management method and system of the wireless sensor of dynamic environment monitoring system in the signal acquiring system of device.
Background technique
Using the dynamic environment monitoring system of wireless technology, wireless sensor be it is battery-powered, the electricity of battery has
Limit, actually should be in use, it usually needs know the battery of sensor can also use how long.Since moment sensor uses
Battery majority be disposable industrial battery, discharge voltage is very stable when work, even if electricity has consumed half, voltage is still
It is consistent when being able to maintain with full electricity, when its voltage decreased significantly, illustrate that battery will exhaust.Therefore electricity is judged by voltage
Pond electricity, it is often infeasible.
The electric quantity consumption of wireless sensor, it is related with the working condition of sensor.In general, between wireless sensor is all
It has a rest duty, such as: per half an hour executes a signal acquisition job, the data being collected then is uploaded to platform (one
As be server, but for small-sized local area network, it is also possible to be a small-sized data summarization equipment, such as wireless routing
Device).
When a data monitoring system needs to improve the real-time of data, need to improve sensor reports frequency, can add
The power consumption rate of fast sensor, makes the sensor battery lost of life.In addition, system is only needed when certain is happened sometimes,
It just needs to improve sensor and reports frequency, when special circumstances disappear, corresponding sensor reports frequency that can reduce again.
And since wireless sensor is often matching used, such as some collects website and has used 5 wireless sensors.
When needing replacing sensor battery, preferably disposably the battery altering of all the sensors is fallen, so platform is needed according to every
The working condition of a sensor estimates the electricity duration, and shows for reference.User may adjust accordingly
The working condition of some sensor, to adapt to the electric quantity consumption speed of other sensors, convenient for unified replacement.
Summary of the invention
The present invention provides a kind of management method of the wireless sensor of dynamic environment monitoring system and systems, to solve
The time that the wireless sensor electric quantity consumption of dynamic environment monitoring system is too fast and multiple wireless sensor electric quantity consumptions finish
Disunity, the technical issues of being not easy to replacement operation.
In order to solve the above technical problems, technical solution proposed by the present invention are as follows:
A kind of management method of the wireless sensor of dynamic environment monitoring system, comprising the following steps:
Activation record before the current time of more than one wireless sensor for collecting station for acquiring its subordinate；Root
The remaining capacity of corresponding wireless sensor is assessed according to the activation record before current time；
According to the remaining capacity of wireless sensor, the acquisition for increasing or reducing wireless sensor reports frequency, to reduce
Or improve the power consumption rate of wireless sensor.
Preferably, method further includes being collected at a distance from website according to multiple wireless sensors with what is reported, will be multiple wireless
Sensor is grouped, when the acquisition for increasing or reducing wireless sensor reports frequency to reduce or improve wireless sensor
When power consumption rate, the time that the battery of the wireless sensor in a group exhausts is adjusted to almost the same.
Preferably, method further includes that the timing wake-up moment of wireless sensor is arranged, and has been reported in wireless sensor acquisition
Cheng Hou, closes acquisition unit and communication unit, wireless sensor enter dormant state；Wireless sensor is opened at the timing wake-up moment
Acquisition unit and communication unit are opened, into working condition, is acquired and reports.
Preferably, wireless sensor, which is acquired, gives the correct time, and also reports the current cell voltage of the machine；From collecting station
Point obtains the current cell voltage of wireless sensor, whether i.e. to judge the electricity of corresponding wireless sensor according to cell voltage
It will exhaust；For the wireless sensor of electricity will be exhausted, alarm is issued to remind user to replace battery.
Preferably, method further includes, according to before the current time of wireless sensor activation record and current electricity
Cell voltage judges whether the power consumption rate of corresponding wireless sensor is normal, when power consumption rate exception, generates warning information simultaneously
It is pushed to the display equipment or user terminal for collecting website.
Preferably, the remaining capacity of corresponding wireless sensor is assessed according to the activation record before current time, including
Add up electricity consumed by all activation record before the nominal capacity of battery is subtracted current time to calculate remaining capacity；
It further include the consumption electricity per hour that remaining capacity is reported divided by wireless sensor with current acquisition to frequency, to calculate wireless pass
The time that the battery of sensor exhausts.
The present invention also provides a kind of management systems of the wireless sensor of dynamic environment monitoring system, comprising: collect website,
More than one wireless sensor for receiving subordinate reports information；And more than one wireless sensor, for adopting
Collection information is simultaneously reported to website is collected；Further include:
Managing electric quantity platform, before the current time for obtaining the more than one wireless sensor for collecting website subordinate
Activation record；The remaining capacity of corresponding wireless sensor is assessed according to the activation record before current time；According to wireless
The remaining capacity of sensor, the acquisition for increasing or reducing wireless sensor reports frequency, to reduce or improve wireless sensor
Power consumption rate.
Preferably, managing electric quantity platform is also used to be collected at a distance from website according to multiple wireless sensors with what is reported, will
Multiple wireless sensors are grouped, when the acquisition for increasing or reducing wireless sensor reports frequency to reduce or improve wirelessly
When the power consumption rate of sensor, the time that the battery of the wireless sensor in a group exhausts is adjusted to almost the same.
Preferably, wireless sensor, which is acquired, gives the correct time, and also reports the current cell voltage of the machine；Managing electric quantity
Platform is also used to from the current cell voltage for collecting station for acquiring wireless sensor, and is judged according to cell voltage corresponding
Whether the electricity of wireless sensor will exhaust；
Managing electric quantity platform, activation record and current electricity before being also used to the current time according to wireless sensor
Cell voltage judges whether the power consumption rate of corresponding wireless sensor is normal, when power consumption rate exception, generates warning information simultaneously
It is pushed to the display equipment or user terminal for collecting website.
Preferably, managing electric quantity platform is assessing corresponding wireless sensor according to the activation record before current time
Remaining capacity when, tire out consumed by all activation record before being configured as the nominal capacity of battery subtracting current time
Quantity calculation；It is additionally configured to reporting remaining capacity into the consumption electricity per hour of frequency with current acquisition divided by wireless sensor,
To calculate the time that the battery of wireless sensor exhausts.
The invention has the following advantages:
The management method and system of the wireless sensor of dynamic environment monitoring system of the invention, it is estimated that sensor
Remaining capacity, and the time for keeping the power consumption of the same wireless sensor for collecting website subordinate to finish is almost the same, can be with
Mitigate the maintenance workload of the staff of wireless communication battery powered sensor.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to accompanying drawings, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that the process of the management method of the wireless sensor of the dynamic environment monitoring system of the preferred embodiment of the present invention is shown
It is intended to；
Fig. 2 is the structure of the management system of the wireless sensor of the dynamic environment monitoring system of the preferred embodiment of the present invention 1
Schematic diagram；
Fig. 3 is the workflow schematic diagram of the wireless sensor of the preferred embodiment of the present invention 1；
Fig. 4 is the operating mode schematic diagram of the wireless sensor of the preferred embodiment of the present invention 1；
Fig. 5 is the workflow schematic diagram of the wireless sensor of the preferred embodiment of the present invention 2；
Fig. 6 is the operating mode schematic diagram of the wireless sensor of the preferred embodiment of the present invention 2.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Referring to Fig. 1, the management method of the wireless sensor of dynamic environment monitoring system of the invention, comprising the following steps:
Activation record before the current time of more than one wireless sensor for collecting station for acquiring its subordinate；Root
The remaining capacity of corresponding wireless sensor is assessed according to the activation record before current time；
According to the remaining capacity of wireless sensor, the acquisition for increasing or reducing wireless sensor reports frequency, to reduce
Or improve the power consumption rate of wireless sensor.
Due to every a wireless sensor, battery size and electricity be it is fixed, sensor only has several limited works
Operation mode, power consumption is also fixed under each operating mode.Each wireless sensor since be activated it is online, he
Activity each time all recorded by platform, and for assessing its electricity consumed, the electricity of remaining battery, and according to working as
The remaining working time of this wireless sensor in the case where preceding report cycle work.Through the above steps, it is estimated that passing
The remaining capacity of sensor, and the time for keeping the power consumption of the same wireless sensor for collecting website subordinate to finish is almost the same,
The maintenance workload of the staff of wireless communication battery powered sensor can be mitigated.
When assessing electricity, the residue electricity of corresponding wireless sensor can be assessed according to the activation record before current time
Amount, it is surplus to calculate including adding up electricity consumed by all activation record before the nominal capacity of battery is subtracted current time
Remaining electricity；It further include the consumption electricity per hour that remaining capacity is reported divided by wireless sensor with current acquisition to frequency, in terms of
Calculate the time that the battery of wireless sensor exhausts.Such as following formula can be used and calculate the only statistics to various state numbers
The case where:
Battery total electricity is Q mAh；1 acquisition power consumption Qcj mAh, times of collection Ncj；The consumption that 1 communication reports
Electricity Qtx mAh, number of communications Ntx；One hour power consumption Qxm mAh of suspend mode, suspend mode total duration are Nxm；Remaining capacity
Qres is are as follows: Qres=Q-Qcj × Ncj-Qtx × Ntx-Qxm × Nxm.
Or: the case where following formula calculate only statistics to various state total durations can be used:
Battery total electricity is Q mAh (milliampere hour)；1 acquisition (duration of each acquisition state is fixed) power consumption
Qcj mAh, times of collection Ncj；The power consumption electric current of communications status is Qtx mA (milliampere), and communication total duration is that Ttx h is (small
When)；Suspend mode power consumption electric current is Qxm mA, and suspend mode total duration is Txm；Remaining capacity Qres is are as follows:
Qres=Q-Qcj × Ncj-Qtx × Ttx-Qxm × Txm.
When implementation, the battery in a region, a sensor group, remaining capacity are replaced in personnel's unification for ease of operation
Duration, it is consistent as far as possible, convenient for unified maintenance.Therefore, it reports within frequency range under this restrictive condition, will remain
Shorter sensor of remaining working time reports frequency to turn down, to extend cruise duration.It is preferred that can be according to multiple wireless sensings
Device collects at a distance from website with what is reported, and multiple wireless sensors are grouped, and when raising or reduces wireless sensor
When acquisition reports frequency to reduce or improve the power consumption rate of wireless sensor, the battery of the wireless sensor in a group is consumed
The most time is adjusted to almost the same.Acquisition system needs safeguard that this maintenance refers to replacement battery.Geographically, have
A part of sensor standoff distance is close, and maintenance when, which carries out unified safeguard, can compare saving manpower.For certain applied fields
It closes, a website has several sensors, a good distance off between website and website, then the sensor of a website can be drawn
It is one group；There are also in some applications, multiple users are concentrated in a cell or a building building, can be by the biography of these users
Sensor divides one group into.The meaning for drawing group is uniformly to safeguard.
There are two types of operating modes for sensor: suspend mode, acquisition report (working condition).Before suspend mode, sensor can be arranged
Exit the timer at suspend mode moment well, timer time one is reported to automatically waking up to be acquired, what this acquisition reported
Frequency can be set, factory also have a default value, before changing wakeup frequency wireless sensor according to default frequency
Rate executes the circulation that suspend mode and acquisition report；Acquisition and is reported sensing data by wireless network after waking up, while to platform
Whether inquiry has new acquisition to report frequency, is synchronized in the machine if frequency change, executes by new frequency.Implementing
When, the timing wake-up moment of settable wireless sensor closes acquisition unit and leads to after the completion of wireless sensor acquisition reports
Believe unit, wireless sensor enters dormant state；Wireless sensor opens acquisition unit and communication unit at the timing wake-up moment,
Into working condition, it is acquired and reports.Refer generally to maintain cpu in countdown state when suspend mode, to ensure that cpu can be
It wakes up when dormancy time exhausts, the power supply of other all circuits unrelated with this function is all cut off.
Because the method for estimation is not that especially accurately, can also solve following problems by a kind of method of optimization: when
Battery actual consumption electricity ratio is estimated big, thereby increases and it is possible to be caused sensor electricity to exhaust, and then be gone offline.It can be in wireless sensor
It is acquired and gives the correct time, also report the current cell voltage of the machine；From collecting the current of station for acquiring wireless sensor
Cell voltage judges whether the electricity of corresponding wireless sensor will exhaust according to cell voltage；For electricity will be exhausted
Wireless sensor, issue alarm with remind user replace battery.When user's instruction can not temporarily replace battery, acquisition is turned down
Frequency is to lengthen working hours.When contracting with user, the frequency that sensor reports will not generally be fixed, but in a range
It is interior.Such as report within 1~1.5 hour under normal circumstances once, it reports within 20~30 minutes in the case of alarm primary.
It, can also be according to the activation record and current battery electricity before the current time of wireless sensor when implementation
Pressure, judges whether the power consumption rate of corresponding wireless sensor is normal, when power consumption rate exception, generates warning information and pushes
To the display equipment or user terminal for collecting website.It is too fast for electric quantity consumption, that is, remaining capacity is significantly less than same group
The equipment of sensor periodically pops up warning information on platform, prompts user intervention.The general too fast reason of electric quantity consumption has several
Kind: report frequency is high, wireless signal is bad to lead to the high call duration time length of radio communication circuit power consumption, battery quality problem, scene
Temperature is too low to cause cell operating status abnormal.Such as the operating mode of manual change sensor namely reduces and reports frequency
(manual operation allows frequency exceeded), or antenna installation, wireless signal strength, battery operating temperature or battery are checked to scene
Whether leakage bulge etc., or processing scene are occurred to eliminate the situation for reporting frequency high caused by alarm.
The semaphore that sensor reports need to report frequency to determine whether to change by platform.Specific method is: per a
Sensor has the alarm threshold of a collection value, when collection value is more than alarm threshold, indicates the data exception in the region, on
Report frequency can be accelerated, to improve real-time property；When being not above alarm threshold, report frequency according to default value.Due to improving
Frequency acquisition can accelerate power consumption rate, so in the occasion for needing to control electricity, it may be desirable to inhibit this raising frequency acquisition
Behavior.
Referring to fig. 2, the present invention also provides a kind of management systems of the wireless sensor of dynamic environment monitoring system, comprising:
Collect website, the more than one wireless sensor for receiving subordinate reports information；And more than one wireless sensing
Device, for acquiring information and being reported to website is collected；Further include: managing electric quantity platform (is denoted as management platform) in figure, be used for
Obtain the activation record before the current time for the more than one wireless sensor for collecting website subordinate；According to current time it
Preceding activation record assesses the remaining capacity of corresponding wireless sensor；According to the remaining capacity of wireless sensor, increase or
The acquisition for reducing wireless sensor reports frequency, to reduce or improve the power consumption rate of wireless sensor.
When implementation, managing electric quantity platform is also used to be collected at a distance from website according to multiple wireless sensors with what is reported, will
Multiple wireless sensors are grouped, when the acquisition for increasing or reducing wireless sensor reports frequency to reduce or improve wirelessly
When the power consumption rate of sensor, the time that the battery of the wireless sensor in a group exhausts is adjusted to almost the same.
When implementation, wireless sensor, which is acquired, gives the correct time, and also reports the current cell voltage of the machine；Managing electric quantity
Platform is also used to from the current cell voltage for collecting station for acquiring wireless sensor, and is judged according to cell voltage corresponding
Whether the electricity of wireless sensor will exhaust；Managing electric quantity platform was also used to before the current time according to wireless sensor
Activation record and current cell voltage, judge whether the power consumption rate of corresponding wireless sensor normal, when power consumption speed
When degree is abnormal, generates warning information and be pushed to the display equipment or user terminal for collecting website.
When implementation, managing electric quantity platform is assessing corresponding wireless sensor according to the activation record before current time
Remaining capacity when, tire out consumed by all activation record before being configured as the nominal capacity of battery subtracting current time
Quantity calculation；It is additionally configured to reporting remaining capacity into the consumption electricity per hour of frequency with current acquisition divided by wireless sensor,
To calculate the time that the battery of wireless sensor exhausts.
When actual implementation, above method also can be carried out expansion or application below, the technical characteristic in following embodiment
It can be combined with each other, embodiment is only as an example, limitation not as the reasonable combination to technical characteristic.
Embodiment 1:
In the present embodiment, Temperature Humidity Sensor, dormant state power consumption 10uA；Acquisition state acquires a data time-consuming 1s
Operating current 1mA；Communications status sends data (temperature and humidity value) to platform and receives the work of setting information (report cycle)
Make electric current and the duration is respectively as follows: 50mA and 10s.Numerical value used by the present embodiment is in development phase to a variety of different
In the case of the average value repeatedly tested be illustrated.The operating mode of wireless sensor is the state switching in Fig. 4,
And it works according to the process of Fig. 3.
Electricity assessment and frequency adjustment are carried out below according to above-mentioned method:
Sensor #001 (Temperature Humidity Sensor, battery capacity 1000mAh, nominal voltage 3.6V, dispatch from the factory voltage 3.66V)
The current record on platform: the upper new battery time of user 100 days so far, at the 1st~50 day: acquiring and upload primary per hour
Data；At the 51st~100 day: per half an hour acquired and uploads a data.
The electricity that system-computed has consumed are as follows:
1st~50 day:
50mA × 10s+1mA × 1s+10uA × (3600-1-10) s=536.89mAs=is consumed per hour
0.14914mAh consumes 0.1492 × 24=3.579mAh, 50 days a total of about consumption 179mAh daily；
51st~100 day:
Every 0.5 hour consumption 50mA × 10s+1mA × 1s+10uA × (1800-1-10) s=518.89mAs=
0.14414mAh consumes 0.14414 × 2 × 24=6.919mAh, a total of about consumption 346mAh daily；
Remaining capacity: 1000mAh-179mAh-346mAh=475mAh reported primary setting according to current 0.5 hour,
The sensor residual time about 69 days.It is ± 20% that the acquisition of this sensor setting, which reports frequency floating range,.
With the other sensors of group, #002~#020, the sensor residual time at 90~100 days or so, this group of sensor
Remaining time average value is 95 days.
Platform judges that sensor #001 is shorter than this cell mean cruise duration, and adjustment acquisition reported frequency, according to 36 minutes
Report cycle is arranged.In this way, cruise duration is elongated, specific calculating process:
Every 36 minutes consumption 50mA × 10s+1mA × 1s+10uA × (36 × 60-1-10) s=522.49mAs=
0.14514mAh, consumes 0.14514 × 24 × 60/36=5.805mAh daily, and remaining 475mAh can be used about 82 days.It adjusts
The level that the remaining working time of this sensor should be made to be in the average operation time after whole, while frequency acquisition adjustment amplitude is not
More than limit value.Since stand-by power consumption is very low, it can be not counted in stand-by power consumption when calculating, adjusted in the following way:
The remaining working time requires to reach 95, the real surplus working time 69, needs to extend the time 26 days, that is, needs collection period tune
It is whole are as follows: 95/69=138%, but this value be more than limit value (according to scene situation or setting frequency threshold, including
Upper and lower bound), therefore collection period is adjusted to the 120% of present value.
This adjustment notifies on platform to user's pop-up, and providing option allows user to cancel this adjustment.
Embodiment 2:
The present embodiment can be used for more accurate power consumption calculation for embodiment 1, can be by state demarcation more
Add in detail, the time can also measure more accurate.Fig. 5 is the workflow of the wireless sensor of the present embodiment, the present embodiment
In, power consumption: dormant state 10uA；Acquisition state acquires data a time-consuming 1s, operating current 1mA；Communications status, Xiang Ping
Platform sends data (data include temperature value, humidity value, wireless signal strength, wireless communication duration) and receives the work of setting information
As electric current be respectively as follows: wireless signal it is good when for 50mA, be 60mA when wireless signal is general, when wireless signal difference is 70mA, is led to
Letter process duration is recorded and is uploaded by sensor；Pre- dormant state 30mA and 1s after the completion of communication.
Wireless signal strength has a design parameter value, platform according to signal strength indication judge signal be belong to, generally or
Difference.
Wireless communication duration is used primarily in sensor and Platform Server is established in connection, once platform service has been gone up in connection
Device, subsequent interlude are very short.In the present embodiment, after connecting platform server, default communication process continues 100ms again.Therefore,
The communication time that platform reports sensor adds 0.1s, communicates time-consuming, this time as counting power consumption.
In the present embodiment, wireless sensor also adds the acquisition of cell voltage, this voltage can be in company with transducing signal amount one
It is same to upload to platform.
Electricity assessment and frequency adjustment are carried out below according to above-mentioned method:
Sensor #001 parameter: Temperature Humidity Sensor, battery capacity 2000mAh, nominal voltage 3.6V, dispatch from the factory voltage
3.66V, voltage 3V or less are considered as not enough power supply and need replacing battery, and voltage 2.5V or less is considered as electricity wretched insufficiency and needs immediately
Replace battery.
Wireless communication signals intensity decision logic: be higher than 20: signal is good；Lower than 12: signal difference；Intermediate state: signal one
As.
Sensor battery record current on platform: the upper new battery time of user is shown as on January 1st, 2018, currently
January 1 2019 moment.
The alarm threshold of current date: it is higher than 35 degree, high temperature alarm；Lower than 10 degree, low temperature alarm；Higher than 80%, high humidity
Alarm；Lower than 25%, low humidity alarm.
Normal temperature and humidity reports frequency: 1 hour, longest allowed 70 minutes；Frequency is reported after alarm: 30 minutes, longest permitted
Perhaps 35 minutes.
Referring to Fig. 6, in the present embodiment, the record of the various operating modes of wireless sensor is as follows:
Acquisition state: 8760 times, when long-pressing each 1s calculate, duration 8760s must be acquired；It is calculated by consumption stream 1mA/s, acquisition
State power consumption 2.433mAh；
Communications status, wherein signal is good: 27600s, consumption stream 50mA/s, power consumption 383.33mAh；The medium 30000s of signal,
Consumption stream 60mA/s, power consumption 500mAh；Signal difference 30000s, consumption stream 70mA/s, power consumption 583.33mAh；Communications status always consumes
Electricity 1466.66mAh；
Pre- dormant state: 8760 times, when long-pressing each 1s obtain pre- communication time 8760s；Consumption stream is calculated by 30mA/s, pre- logical
Letter state power consumption 73mAh；
Dormant state: 365 days a year and a days institute's having time subtracts the above various state durations, obtains 8730.8h, and consumption stream presses 10uA
It calculates, dormant state power consumption 87.308mAh.
Calculate total power consumption be 1629.4mAh, remaining capacity 370.6mAh.
There is exception in nearest 1 day sensing data, high temperature alarm persistently occurs.The total power consumption of nearest one day sensor is about
8.25mAh (reported primary, today total communication time 10s time, msp signal Strength co-mputation by alarm status 30 minutes), the past
1 year per day power consumption is 4.5mAh, and predictive sensor cruise duration is 45 days accordingly.
Sensor #002 parameter: PM2.5 sensor, battery capacity 2000mAh
Sensor battery record current on platform: the upper new battery time of user is shown as on January 1st, 2018, currently
January 1 2019 moment.
The various operating modes of sensor calculate total power consumption be 1500mAh, remaining capacity 500mAh.
There is exception in nearest 1 day sensor, and one annual day power consumption of past is 4.1mAh, and nearest one day power consumption reaches
To 20mAh, predictive sensor cruise duration is 25 days accordingly.System-computed, nearest 24 hours reported datas of this sensor
Communication time substantially exceeds annual mean.
Sensor #003 parameter: water quality sensor, battery capacity 2000mAh
Sensor battery record current on platform: the upper new battery time of user is shown as on January 1st, 2018, currently
January 1 2019 moment.
The various operating modes of sensor calculate total power consumption be 1600mAh, remaining capacity 400mAh.
Nearest 1 day sensor power consumption 4.4mAh, one annual day power consumption of past is 4.1mAh, by nearest power consumption in one day
Speed predictive sensor cruise duration is 91 days.
The cruise duration of estimating of this group of #001~#100 all the sensors is its except 90 days, this group #001 and No. #002
His sensor estimates cruise duration between 80~100, and system thinks need to be to the power consumption feelings of #001 and No. #002 two equipment
Condition issues alarm.
Platform was done as follows and issued prompt information on January 1st, 2019:
Frequency is reported to be adjusted to 35 minutes #001 sensor, " #001 sensor temperature sensor detects temperature for prompt
Spend exceeded, sensor electric quantity consumption is too fast, reports frequency to be adjusted to 35 minutes sensor.It is recommended that checking live feelings immediately
Condition, or artificial change sensor report frequency, and user can also be with the adjust automatically of cancellation system to maintain to report frequency for 30
Minute ".
To #002 sensor, " #002 sensor communications status is abnormal, please check that sensor region wirelessly communicates for prompt
With the presence or absence of exception ".
System alarm on January 2 occurs within 2019:
Sensor #003 occurs: battery low-voltage alarm
Platform judgement: there may be excessive errors for the calculating of sensor #003 electricity, it is also possible to which low temperature, which occurs, in battery to be caused to put
Piezoelectric voltage is insufficient.
Platform issues prompt information: " sensor #003 not enough power supply need to carry out replacement sensor operations ", and will sensing
All historical statistical datas of device #003 recall, and check, analyze for user.
In summary, the present invention is by estimating the remaining capacity of sensor, and keeps same and collect website subordinate's
Or the time that the power consumption of wireless sensor similar in the geographical location in a region finishes is almost the same, can mitigate wireless
The maintenance workload of the staff of battery powered sensor is communicated, and can guarantee the acquisition effect of wireless sensor in limit value
Fruit.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of management method of the wireless sensor of dynamic environment monitoring system, which comprises the following steps:
Activation record before the current time of more than one wireless sensor for collecting station for acquiring its subordinate；According to institute
Activation record before stating current time assesses the remaining capacity of corresponding wireless sensor；
According to the remaining capacity of the wireless sensor, the acquisition for increasing or reducing the wireless sensor reports frequency, with
Reduce or improve the power consumption rate of the wireless sensor.
2. the management method of the wireless sensor of dynamic environment monitoring system according to claim 1, which is characterized in that institute
The method of stating further includes being collected at a distance from website according to multiple wireless sensors with what is reported, multiple wireless sensors being divided
Group, when the acquisition for increasing or reducing the wireless sensor reports frequency to reduce or improve the power consumption of the wireless sensor
When speed, the time that the battery of the wireless sensor in a group exhausts is adjusted to almost the same.
3. the management method of the wireless sensor of dynamic environment monitoring system according to claim 1, which is characterized in that institute
The method of stating further includes that the timing wake-up moment of the wireless sensor is arranged, and after the completion of wireless sensor acquisition reports, is closed
Acquisition unit and communication unit, the wireless sensor enter dormant state；The wireless sensor is opened at the timing wake-up moment
Acquisition unit and communication unit are opened, into working condition, is acquired and reports.
4. the management method of the wireless sensor of dynamic environment monitoring system according to claim 1, which is characterized in that institute
It states wireless sensor and is acquired and give the correct time, also report the current cell voltage of the machine；From collecting nothing described in station for acquiring
The current cell voltage of line sensor judges whether the electricity of corresponding wireless sensor will consume according to the cell voltage
To the greatest extent；For the wireless sensor of electricity will be exhausted, alarm is issued to remind user to replace battery.
5. the management method of the wireless sensor of dynamic environment monitoring system according to claim 4, which is characterized in that institute
The method of stating further includes, according to before the current time of the wireless sensor activation record and current cell voltage, sentence
Whether the power consumption rate for corresponding wireless sensor of breaking is normal, when power consumption rate exception, generates warning information and is pushed to remittance
Collect the display equipment or user terminal of website.
6. the management method of the wireless sensor of dynamic environment monitoring system according to any one of claim 1 to 5,
It is characterized in that, the activation record according to before current time assesses the remaining capacity of corresponding wireless sensor, including will
The nominal capacity of battery subtract current time before all activation record consumed by add up electricity to calculate the remaining electricity
Amount；It further include the consumption electricity per hour that the remaining capacity is reported divided by wireless sensor with current acquisition to frequency, in terms of
Calculate the time that the battery of wireless sensor exhausts.
7. a kind of management system of the wireless sensor of dynamic environment monitoring system, comprising: collect website, for receiving subordinate's
More than one wireless sensor reports information；And more than one wireless sensor, for acquiring information and to collecting
Website reports；It is characterized by further comprising:
Managing electric quantity platform, the work before current time for obtaining the more than one wireless sensor for collecting website subordinate
Dynamic record；The remaining capacity of corresponding wireless sensor is assessed according to the activation record before the current time；According to described
The remaining capacity of wireless sensor, the acquisition for increasing or reducing the wireless sensor report frequency, to reduce or improve institute
State the power consumption rate of wireless sensor.
8. the management system of the wireless sensor of dynamic environment monitoring system according to claim 7, which is characterized in that institute
Managing electric quantity platform is stated, is also used to be collected at a distance from website according to multiple wireless sensors with what is reported, by multiple wireless sensings
Device is grouped, when the acquisition for increasing or reducing the wireless sensor reports frequency to reduce or improve the wireless sensing
When the power consumption rate of device, the time that the battery of the wireless sensor in a group exhausts is adjusted to almost the same.
9. the management system of the wireless sensor of dynamic environment monitoring system according to claim 7, which is characterized in that institute
It states wireless sensor and is acquired and give the correct time, also report the current cell voltage of the machine；The managing electric quantity platform, is also used
In judging corresponding nothing from the current cell voltage for collecting wireless sensor described in station for acquiring, and according to the cell voltage
Whether the electricity of line sensor will exhaust；
The managing electric quantity platform, the activation record being also used to before the current time according to the wireless sensor and current
Cell voltage, judge whether the power consumption rate of corresponding wireless sensor normal, when power consumption rate exception, generate alarm letter
It ceases and is pushed to the display equipment or user terminal of collecting website.
10. the management system of the wireless sensor of dynamic environment monitoring system according to any one of claims 7 to 9,
It is characterized in that, the managing electric quantity platform, is assessing corresponding wireless sensor according to the activation record before current time
Remaining capacity when, tire out consumed by all activation record before being configured as the nominal capacity of battery subtracting current time
Quantity calculation；It is additionally configured to report the consumption per hour of frequency electric with current acquire divided by wireless sensor the remaining capacity
Amount, to calculate the time that the battery of wireless sensor exhausts.
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| CN112558190A (en) * | 2020-12-17 | 2021-03-26 | 水利部南京水利水文自动化研究所 | Water level and rainfall integrated monitoring system for urban rainstorm flood |
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