CN104793062B - A kind of field terminal device lightening arresting method based on agriculture Internet of Things - Google Patents
A kind of field terminal device lightening arresting method based on agriculture Internet of Things Download PDFInfo
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- CN104793062B CN104793062B CN201510221695.0A CN201510221695A CN104793062B CN 104793062 B CN104793062 B CN 104793062B CN 201510221695 A CN201510221695 A CN 201510221695A CN 104793062 B CN104793062 B CN 104793062B
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Abstract
The invention discloses a kind of field terminal device lightening arresting method based on agriculture Internet of Things, including step：First, Initial parameter sets；2nd, lightning protection：Upper monitoring terminal obtains the weather forecast information in region residing for the internet-of-things terminal of field in each lightning protection period, and carries out lightning protection to field terminal device according to weather forecast information；When carrying out lightning protection to field terminal device in any lightning protection period, process is as follows：201st, weather forecast information is obtained；202nd, weather forecast information analysis；203rd, lightning protection processes；204th, without lightning protection treatment；205th, next lightning protection period lightning protection；206th, step 205 is repeated several times, until completing the lightning protection process of field terminal device in all lightning protection periods.The inventive method step is simple, reasonable in design, input cost is low and realizes that convenient, using effect is good, and the field Internet of Things terminal in agriculture Internet of Things can be prevented to be subjected to broken by lightning.
Description
Technical field
The invention belongs to electronic product anti-thunder technical field, more particularly, to a kind of field terminal based on agriculture Internet of Things
Equipment lightening arresting method.
Background technology
Thunder and lightning is the electric discharge phenomena of air in nature, and it is with lightning and a kind of thunderous electric discharge phenomena.In the whole world
In the range of, up to 3,100,000,000 times, average each second is about l00 times the annual thunder and lightning for occurring in an atmosphere.China is struck by lightning every year according to statistics
Hundred million yuan of the nearly l0 of direct economic loss for causing.At present, the shocking preventing technology for being used is concentrated mainly on following two aspects：On the one hand
It is the protection to direct lightning strike：The main method of direct lightning strike protection is to use lightning rod, and lightning current is introduced into big by lightning rod
Ground discharges to protect building from broken by lightning；On the other hand it is the protection to indirect lightning strike：Indirect lightning strike is due to thunderstorm
Electromagnetic induction effect when the electrostatic induction or electric discharge of cloud, makes metal objects (such as pipeline, reinforcing bar, electric wire) induce and thunderstorm
The electric charge of cloud opposite charge, and cause the thunder-strike phenomenon caused by electric discharge.
It is that substantial amounts of sensor node is constituted into monitoring network that agriculture Internet of Things is normally applied, and is gathered by various sensors
Information, to help peasant to pinpoint the problems in time, and accurately determines the position of generation problem, such agricultural will little by little from
Centered on manpower, the production model for isolating machinery is depended on to turn to the production model centered on information and software, so that largely
Using various automations, intellectuality, remote control production equipment.Under normal circumstances, due to being located in field in agriculture Internet of Things
Between internet-of-things terminal (hereinafter referred to as field Internet of Things terminal) installation position it is relatively low, the probability that it is subjected to direct lightning strike is smaller, because
This, the lightning protection measures of field Internet of Things terminal are primarily directed to indirect lightning strike.At present, preventing the method for indirect lightning strike to be mainly makes
Each passage of indirect lightning strike is blocked with lightning arrester (such as arrester), the arrester for being used mainly has power source lightning protection
Device, antenna lightning arrester, holding wire arrester etc..
For the field Internet of Things terminal used in agriculture Internet of Things, the passage master of indirect lightning strike need to be blocked using lightning arrester
There are following 4：Firstth, antenna, feeder line introduce lightning arrester；Secondth, power circuit introduces lightning arrester；3rd, holding wire
Pass enters lightning arrester；4th, ground path introduces lightning arrester.Because the quantity of field Internet of Things terminal in agriculture Internet of Things is more
And distribution dispersion, if using a set of lightning arrester, its cost to be difficult to bear for each field Internet of Things terminal.Cause
And, need to design that a kind of method and step is simple, reasonable in design, input cost is low and realize convenient, using effect it is good based on agricultural
The field terminal device lightening arresting method of Internet of Things, energy is easy and effectively prevents the field Internet of Things terminal in agriculture Internet of Things to be subjected to thunder
Hit damage.
The content of the invention
The technical problems to be solved by the invention are for above-mentioned deficiency of the prior art, there is provided one kind is based on agricultural
The field terminal device lightening arresting method of Internet of Things, its method and step is simple, reasonable in design, input cost is low and realizes convenience, make
Good with effect, energy is easy and effectively prevents the field Internet of Things terminal in agriculture Internet of Things to be subjected to broken by lightning.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of field end based on agriculture Internet of Things
End equipment lightening arresting method, it is characterised in that：The field terminal device that lightning protection need to be carried out includes field internet-of-things terminal and right
The lightning monitoring device that the thunder and lightning that region overhead residing for the internet-of-things terminal of field occurs is monitored, the field internet-of-things terminal
It is the internet-of-things terminal for being laid in field and communicated with upper monitoring terminal with communication, the lightning monitoring dress
Put and be laid in field and it is laid in the same area with field internet-of-things terminal, the lightning monitoring device is with communication
Communicated with upper monitoring terminal；The field internet-of-things terminal and lightning monitoring device are powered and two by power distribution room
Connected by supply line between power supply unit in person and power distribution room, make-and-break control switch be serially connected with the supply line,
The make-and-break control switch by remote controllers control and its connect with remote controllers；The remote controllers are with radio communication
Mode is communicated with upper monitoring terminal；The lightening arresting method of the field terminal device, comprises the following steps：
Step one, Initial parameter sets：The frequency that upper monitoring terminal obtains weather forecast information is set, while
Set by the lightning protected state of upper monitoring terminal-pair field terminal device, and to set lightning protected state enter
The synchronous storage of row；
The upper monitoring terminal obtains the moment of weather forecast information for weather forecast obtains the moment every time, two neighboring
The time interval that weather forecast obtains between the moment is a lightning protection period；
The lightning protected state of the field terminal device in lightning protected or do not carry out it is lightning protected, when the field
When the lightning protected state of terminal device is lightning protected middle, the make-and-break control switch is off；When the field
The lightning protected state of terminal device is for when not carrying out lightning protected, the make-and-break control switch is in an ON state；This step
In, the lightning protected state of the field terminal device for setting is lightning protected not carry out；
Step 2, lightning protection：The upper monitoring terminal according in step one set weather forecast information acquisition
Frequency, obtains to the weather forecast information in region residing for the internet-of-things terminal of field in each lightning protection period, and according to obtaining
The weather forecast information for taking carries out lightning protection to field terminal device；In each lightning protection period, the field terminal device
Lightning-protection method all same；
In any one lightning protection period, when carrying out lightning protection to field terminal device, process is as follows：
Step 201, weather forecast information are obtained：The upper monitoring terminal calls weather forecast acquisition module and by mutual
Networking, obtains the weather forecast information in region residing for the internet-of-things terminal of field in the current lightning protection period；Acquired weather
Forecast information is text information；
Step 202, weather forecast information analysis：The upper monitoring terminal calling word distinguishes module, in step 201
Whether the weather forecast information of acquisition is distinguished, and according to recognition result, judges contain in distinguished weather forecast information
Character " thunder "：When in judging to draw distinguished weather forecast information containing character " thunder ", into step 203；Otherwise, enter
Step 204；
Step 203, there is lightning protection to process, comprise the following steps：
Step 2031, lightning protected condition adjudgement：The upper monitoring terminal-pair now field terminal device thunder and lightning protect
Shield state is judged：When the lightning protected state of now field terminal device is not to carry out lightning protected, into step
2032；Otherwise, when now field terminal device lightning protected state for it is lightning protected middle when, the upper monitoring terminal synchronization
Sent to remote controllers and terminate lightning protected control information, the remote controllers receive the lightning protected control of end
After information, make-and-break control switch described in Synchronization Control is connected, while by upper monitoring terminal by the thunder and lightning of field terminal device
Guard mode be adjusted to not carry out it is lightning protected, afterwards into step 2032；
Step 2032, lightning monitoring：In the current lightning protection period, using lightning monitoring device to field internet-of-things terminal
The thunder and lightning that residing region overhead occurs is monitored：When detecting area residing for the internet-of-things terminal of field in the current lightning protection period
When domain overhead does not occur a thunder and lightning, the lightning protection process of field terminal device in the current lightning protection period is completed, entered
Step 205；Otherwise, into step 2033；
Step 2033, lightning monitoring result are uploaded and Synchronization Analysis：Using lightning monitoring device to field in step 2032
During the thunder and lightning whether region overhead residing for internet-of-things terminal occurs is monitored, when detecting residing for the internet-of-things terminal of field
When there is a thunder and lightning in region overhead, the lightning information synchronized upload that lightning monitoring device will be monitored to upper monitor terminal；
After the upper monitoring terminal receives lightning information, according to the lightning information for receiving, and combine residing for lightning monitoring device
Position, analysis draws the distance between generation position and lightning monitoring device of this thunder and lightning, is denoted as LL；Afterwards, it is described upper
Monitor terminal calls difference comparsion module, and LL and LY are compared：As LL ＜ LY, the upper monitoring terminal is synchronous to remote
Range controller sends and starts lightning protected control information, and the remote controllers receive the lightning protected control information of startup
Afterwards, make-and-break control switch described in Synchronization Control disconnects, and completes the lightning protection of field terminal device in the current lightning protection period
Process, while during the lightning protected state of field terminal device is adjusted into lightning protected by upper monitoring terminal, it is laggard
Enter step 205；Otherwise, into step 2034；
Wherein, LY is Lightning Warning set in advance distance and LY=100m~10000m；
Step 2034, follow-up lightning monitoring：In the current lightning protection period, using lightning monitoring device to field Internet of Things
The thunder and lightning whether region overhead residing for terminal occurs persistently is monitored：When detecting region overhead residing for the internet-of-things terminal of field
When there is a thunder and lightning, return to step 2031, and according to the method described in step 2031, thunder is carried out to the thunder and lightning that this occurs
Pyroelectric monitor result is uploaded and Synchronization Analysis；Otherwise, the lightning protection mistake of field terminal device in the current lightning protection period is completed
Journey, into step 205；
Step 204, without lightning protection treatment：The lightning protected shape of the upper monitoring terminal-pair now field terminal device
State is judged：When now, the lightning protected state of field terminal device is when not carrying out lightning protected, to complete current lightning protection and protect
The lightning protection process of field terminal device in the shield period, afterwards into step 205；Otherwise, when now field terminal device
When lightning protected state is lightning protected middle, the synchronous transmission to remote controllers of the upper monitoring terminal terminates lightning protected control
Information processed, after the remote controllers receive the lightning protected control information of end, break-make control described in Synchronization Control is opened
Close and connect, at the same the lightning protected state of field terminal device is adjusted to not carry out by upper monitoring terminal it is lightning protected,
The lightning protection process of field terminal device in the current lightning protection period is completed, afterwards into step 205；
Step 205, next lightning protection period lightning protection：In next lightning protection period, according to step 201 to
Method described in step 204, lightning protection is carried out to field terminal device；
Step 206, step 205 is repeated several times, until completing the lightning protection of field terminal device in all lightning protection periods
Protection process.
A kind of above-mentioned field terminal device lightening arresting method based on agriculture Internet of Things, it is characterized in that：The break-make control is opened
It is contactor to close, and the contactor is connected with remote controllers.
A kind of above-mentioned field terminal device lightening arresting method based on agriculture Internet of Things, it is characterized in that：The power distribution room is laid
In field and it is located at field terminal device the week side of boss, the make-and-break control switch and remote controllers are respectively positioned in power distribution room.
A kind of above-mentioned field terminal device lightening arresting method based on agriculture Internet of Things, it is characterized in that：The power supply unit bag
Consumer unit and the step-down transformer being connected with consumer unit are included, the step-down transformer is by the supply line and field Internet of Things
Terminal and lightning monitoring device are connected.
A kind of above-mentioned field terminal device lightening arresting method based on agriculture Internet of Things, it is characterized in that：The upper monitoring end
End includes accessing the webserver of internet, the webserver and field internet-of-things terminal, lightning monitoring device and far
Communicated by short message channel or WIFI, GPRS or cdma wireless network between range controller.
A kind of above-mentioned field terminal device lightening arresting method based on agriculture Internet of Things, it is characterized in that：The lightning monitoring dress
Put including the intensity of illumination harmony cent to region residing for the internet-of-things terminal of field do not carry out real-time detection optical sensor and
Sound transducer, the optical sensor and sound transducer connect with wireless receiver, the optical sensor and
Sound transducer is communicated by the wireless receiver with upper monitoring terminal.
A kind of above-mentioned field terminal device lightening arresting method based on agriculture Internet of Things, it is characterized in that：Used in step 2033
Lightning monitoring device to residing for the internet-of-things terminal of field region overhead occur thunder and lightning be monitored when, the optical sensor and
Sound transducer does not carry out real-time detection to the intensity of illumination harmony cent in region residing for the internet-of-things terminal of field, and will be detected
Signal synchronous driving is to upper monitor terminal；The upper monitoring terminal-pair optical sensor and sound transducer institute detection signal
Synchronize analysis, and analyze draw each moment field internet-of-things terminal residing for region overhead whether there is lightning and thunderous, then
Whether the region overhead according to residing for the internet-of-things terminal of each moment field there is lightning and thunderous analysis result, to field Internet of Things
Whether region overhead residing for terminal occurs thunder and lightning is judged.
A kind of above-mentioned field terminal device lightening arresting method based on agriculture Internet of Things, it is characterized in that：To field Internet of Things end
Whether the residing region overhead in end there is thunder and lightning when being judged, when upper monitoring terminal analysis are drawn residing for the internet-of-things terminal of field
Lightning occurs in region overhead and upper monitoring terminal analysis are drawn on region residing for the internet-of-things terminal of field after time Δ t
When sky occurs once to thunder, show that region overhead residing for the internet-of-things terminal of field occurs a thunder and lightning, and to field Internet of Things end
There is the moment TL of lightning in the residing region overhead in end and the thunderous moment TS of generation is recorded respectively；Afterwards, the upper prison
Control terminal is calculated between the generation position of this thunder and lightning and lightning monitoring device according to formula LL=(TS-TL) × c (1)
The c in LL, formula (1) be the aerial spread speed of sound；
A kind of above-mentioned field terminal device lightening arresting method based on agriculture Internet of Things, it is characterized in that：To upper in step one
When the frequency that monitor terminal obtains weather forecast information is set, the upper monitoring terminal obtains weather forecast information daily
Number of times be n time, wherein n be positive integer and n=1,2,4,8,12 or 24.
The present invention has advantages below compared with prior art：
1st, the hardware configuration for being used is simple, reasonable in design and easy-to-connect, and input cost is low, field internet-of-things terminal and
The hardware configuration of upper monitoring terminal is the usual hardware structure used in agriculture Internet of Things, thus needs increased hardware cost pole
It is low, even without any hardware cost of increase.
2nd, weather forecast information can effectively be utilized, realization carries out lightning protection to field internet-of-things terminal in real time
Purpose.
3rd, for overcome weather forecast have certain rate of false alarm and cannot determine thunder and lightning occur the specific time and position with
And the defect of the extent of damage caused to field internet-of-things terminal, the present invention is being analyzed to acquired weather forecast information
On the basis of, in conjunction with the actual monitoring result of lightning monitoring device, and according to thunder and lightning occur position and field internet-of-things terminal it
Between distance, decide whether to enter lightning protection state, ensuring that field internet-of-things terminal maintains maximum duration normal work
Meanwhile, effective lightning protection can be carried out to field internet-of-things terminal, indirect lightning strike can be substantially reduced and damage field Internet of Things end
The probability at end.
4th, the existing equipment and resource of agriculture Internet of Things can be made full use of, the hardware for installing additional is few, field internet-of-things terminal,
Communication between lightning monitoring device and remote controllers and upper monitoring terminal uses common communication platform, such as
WIFI, GPRS, CDMA, short message etc.；When upper monitoring terminal obtains weather forecast information, using internet and by data mining
Technical limit spacing, thus input cost is low, and using easy to operate.
5th, the lightening arresting method step for being used it is simple, reasonable in design and realize it is convenient, using flexible operation mode, when passing through
When analysis weather region forecast information finds lightning forecasting, by lightning monitoring device by the generation moment of each lightning and thunder and
Detected value sends the time difference occurred according to lightning and thunder to upper monitor terminal (i.e. the webserver), upper monitoring terminal
Calculate thunder and lightning and the distance between position and field internet-of-things terminal LL occurs, when pre- less than thunder and lightning set in advance apart from LL
When police is apart from LY, upper monitoring terminal controls make-and-break control switch to disconnect by remote controllers, cuts off field internet-of-things terminal
It is subjected to the passage of indirect lightning strike, field internet-of-things terminal is in lightning protection state.Now, the power supply quilt of field terminal device
Cut-out, the indirect lightning strike path imported from supply line is blocked, and because the power supply line length of field terminal device is shorter, is subjected to
The probability of indirect lightning strike is greatly reduced.The lightening arresting method of above-mentioned agriculture Internet of Things field terminal device is prevented traditional by hardware
The method that thunder device prevents indirect lightning strike, changes into using situ hardware (i.e. lightning monitoring device) and by the webserver
The method of long-range cut-out field power terminal equipment prevents indirect lightning strike.
For the less demanding field internet-of-things terminal of some lightning protections, upper monitoring terminal can directly according to acquired
Weather forecast information, control make-and-break control switch break-make, thus use flexible operation mode.
6th, using effect is good and practical value is high, for the Special use of field internet-of-things terminal in agriculture Internet of things system
Environment and requirement, in the case where hardware is not increased as far as possible, data of weather forecast and live hardware as obtained by network
A kind of equipment (including optical sensor, sound transducer etc.), there is provided the lightening arresting method of field terminal device in agriculture Internet of Things,
With network weather forecast resource and software function alternative hardware function, lightning protection cost can be substantially reduced, with lightening arresting method cost
Low, easy to operate, maintainability is strong, system constructing flexibility and the features such as strong reproducibility.
In sum, the inventive method step is simple, reasonable in design, input cost is low and realizes that convenient, using effect is good,
Energy is easy and effectively prevents the field Internet of Things terminal in agriculture Internet of Things to be subjected to broken by lightning.
Below by drawings and Examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is the schematic block circuit diagram of field terminal device of the present invention, upper monitoring terminal and power distribution room.
Fig. 2 is lightening arresting method FB(flow block) of the invention.
Description of reference numerals:
1-field terminal device；1-1-field internet-of-things terminal；1-2-lightning monitoring device；
2-upper monitoring terminal；2-1-the webserver；2-2-the second radio network gateway；
3-power distribution room；4-remote controllers；5-contactor；
6-consumer unit；7-step-down transformer.
Specific embodiment
A kind of field terminal device lightening arresting method based on agriculture Internet of Things as shown in Figure 2, need to carry out lightning protection
Field terminal device 1 includes field internet-of-things terminal 1-1 and the thunder and lightning occurred to region overhead residing for field internet-of-things terminal 1-1
The lightning monitoring device 1-2 being monitored, the field internet-of-things terminal 1-1 for be laid in field and with communication with
The internet-of-things terminal that upper monitoring terminal 2 is communicated, the lightning monitoring device 1-2 is laid in field and itself and field Internet of Things
Network termination 1-1 is laid in the same area, and the lightning monitoring device 1-2 is carried out with communication with upper monitoring terminal 2
Communication, refers to Fig. 1；The field internet-of-things terminal 1-1 and lightning monitoring device 1-2 are powered and the two by power distribution room 3
It is connected by supply line between the power supply unit in power distribution room 3, make-and-break control switch, institute is serially connected with the supply line
State that make-and-break control switch is controlled by remote controllers 4 and it connects with remote controllers 4；The remote controllers 4 are with channel radio
Letter mode is communicated with upper monitoring terminal 2；The lightening arresting method of the field terminal device 1, comprises the following steps：
Step one, Initial parameter sets：The frequency that upper monitoring terminal 2 obtains weather forecast information is set, together
When the lightning protected state of field terminal device 1 is set by upper monitoring terminal 2, and to set lightning protected shape
State synchronizes storage.
The upper monitoring terminal 2 obtains the moment of weather forecast information for weather forecast obtains moment, adjacent two every time
The time interval that individual weather forecast obtains between the moment is a lightning protection period.
The lightning protected state of the field terminal device 1 in lightning protected or do not carry out it is lightning protected, when the field
Between terminal device 1 lightning protected state for it is lightning protected middle when, the make-and-break control switch is off；When the field
Between terminal device 1 lightning protected state for do not carry out lightning protected when, the make-and-break control switch is in an ON state；This step
In rapid, the lightning protected state of the field terminal device 1 for setting is lightning protected not carry out.
In this step, the lightning protected state of the field terminal device 1 for setting is initial lightning protected state.
Step 2, lightning protection：The upper monitoring terminal 2 according in step one set weather forecast information acquisition
Frequency, the weather forecast information to region residing for internet-of-things terminal 1-1 in field in each lightning protection period is obtained, and according to
The weather forecast information of acquisition carries out lightning protection to field terminal device 1；In each lightning protection period, the field terminal sets
Standby 1 lightning-protection method all same；
In any one lightning protection period, when carrying out lightning protection to field terminal device 1, process is as follows：
Step 201, weather forecast information are obtained：The upper monitoring terminal 2 is called weather forecast acquisition module and is passed through
Internet, obtains the weather forecast information in region residing for field internet-of-things terminal 1-1 in the current lightning protection period；Acquired
Weather forecast information is text information；
Step 202, weather forecast information analysis：The calling word of upper monitoring terminal 2 distinguishes module, to step 201
Whether the weather forecast information of middle acquisition is distinguished, and according to recognition result, judges contain in distinguished weather forecast information
There is character " thunder "：When in judging to draw distinguished weather forecast information containing character " thunder ", into step 203；Otherwise, enter
Enter step 204；
Step 203, there is lightning protection to process, comprise the following steps：
Step 2031, lightning protected condition adjudgement：The thunder and lightning of 2 pairs, the upper monitoring terminal now field terminal device 1
Guard mode is judged：When the lightning protected state of now field terminal device 1 is not to carry out lightning protected, into step
2032；Otherwise, when now field terminal device 1 lightning protected state for it is lightning protected middle when, the upper monitoring terminal 2 is same
Walk to be sent to remote controllers 4 and terminate lightning protected control information, it is lightning protected that the remote controllers 4 receive the end
After control information, make-and-break control switch described in Synchronization Control is connected, while passing through upper monitoring terminal 2 by field terminal device 1
Lightning protected state be adjusted to not carry out it is lightning protected, afterwards into step 2032；
Step 2032, lightning monitoring：In the current lightning protection period, using lightning monitoring device 1-2 to field Internet of Things
The thunder and lightning that region overhead residing for terminal 1-1 occurs is monitored：When detecting field Internet of Things end in the current lightning protection period
When region overhead residing for the 1-1 of end does not occur a thunder and lightning, the lightning protection for completing field terminal device 1 in the current lightning protection period is protected
Shield process, into step 205；Otherwise, into step 2033；
Step 2033, lightning monitoring result are uploaded and Synchronization Analysis：Using lightning monitoring device 1-2 to field in step 2032
Between during whether the thunder and lightning that occurs of region overhead residing for internet-of-things terminal 1-1 is monitored, when detecting field Internet of Things end
When region overhead residing for the 1-1 of end occurs a thunder and lightning, the lightning information synchronized upload that lightning monitoring device 1-2 will be monitored is supreme
Position monitor terminal 2；After the upper monitoring terminal 2 receives lightning information, according to the lightning information for receiving, and thunder and lightning prison is combined
The location of device 1-2 is surveyed, analysis draws the distance between generation position and lightning monitoring device 1-2 of this thunder and lightning, note
Make LL；Afterwards, the upper monitoring terminal 2 calls difference comparsion module, and LL and LY are compared：It is described as LL ＜ LY
The synchronous transmission to remote controllers 4 of upper monitoring terminal 2 starts lightning protected control information, and the remote controllers 4 are received
After the lightning protected control information of startup, make-and-break control switch described in Synchronization Control disconnects, and completes the current lightning protection period
The lightning protection process of interior field terminal device 1, while by upper monitoring terminal 2 by the lightning protected of field terminal device 1
During state is adjusted to lightning protected, afterwards into step 205；Otherwise, into step 2034；
Wherein, LY is Lightning Warning set in advance distance and LY=100m~10000m；
Step 2034, follow-up lightning monitoring：In the current lightning protection period, using lightning monitoring device 1-2 to field thing
The thunder and lightning whether region overhead residing for networked terminals 1-1 occurs persistently is monitored：When detecting field internet-of-things terminal 1-1 institutes
When there is a thunder and lightning in place region overhead, return to step 2031, and according to the method described in step 2031, occur to this
Thunder and lightning carries out the upload of lightning monitoring result and Synchronization Analysis；Otherwise, field terminal device 1 in the current lightning protection period is completed
Lightning protection process, into step 205；
Step 204, without lightning protection treatment：2 pairs, the upper monitoring terminal now field terminal device 1 it is lightning protected
State is judged：When now, the lightning protected state of field terminal device 1 is when not carrying out lightning protected, to complete current lightning protection
The lightning protection process of field terminal device 1 in protective time slot, afterwards into step 205；Otherwise, when now field terminal device
When 1 lightning protected state is lightning protected middle, the synchronous transmission to remote controllers 4 of the upper monitoring terminal 2 terminates thunder and lightning
Protection control information, after the remote controllers 4 receive the lightning protected control information of end, break-make described in Synchronization Control
Controlling switch is connected, while being adjusted to not carrying out thunder by the lightning protected state of field terminal device 1 by upper monitoring terminal 2
Electric protection, completes the lightning protection process of field terminal device 1 in the current lightning protection period, afterwards into step 205；
Now, the lightning protection process of lightning protection period is completed；
Step 205, next lightning protection period lightning protection：In next lightning protection period, according to step 201 to
Method described in step 204, lightning protection is carried out to field terminal device 1；
Step 206, step 205 is repeated several times, until completing the lightning protection of field terminal device 1 in all lightning protection periods
Protection process.Now, the lightning protection process of all lightning protection periods is completed.
In the present embodiment, to the weather in region residing for internet-of-things terminal 1-1 in field in each lightning protection period in step 2
When forecast information is obtained, data mining is carried out using internet, obtain the weather forecast information.
In the present embodiment, the make-and-break control switch is contactor 5, and the contactor 5 is connected with remote controllers 4.
When actual laying is installed, the power distribution room 3 is laid in field and it is located at the week side of boss of field terminal device 1, described logical
Disconnected controlling switch and remote controllers 4 are respectively positioned in power distribution room 3.The power distribution room 3 is located at the week side of boss of field terminal device 1, described
Upper monitoring terminal 2 is laid in computer room, and the installation position of the computer room is not limited and is provided with lightning protection facility.
In the present embodiment, the power supply unit includes consumer unit 6 and the step-down transformer 7 being connected with consumer unit 6, the drop
Pressure transformer 7 is connected by the supply line with field internet-of-things terminal 1-1 and lightning monitoring device 1-2.Also, the confession
Electronic box 6 is connected with power network.
Meanwhile, direct striking thunder prevention facility, such as lightning rod are provided with the power distribution room.
In the present embodiment, the 3rd radio network gateway is connected on the remote controllers 4.
In the present embodiment, the upper monitoring terminal 2 includes accessing the webserver 2-1 of internet, the network clothes
Business device 2-1 and field internet-of-things terminal 1-1, between lightning monitoring device 1-2 and remote controllers 4 by short message channel or
WIFI, GPRS or cdma wireless network are communicated.
Also, the upper monitoring terminal 2 also includes the second radio network gateway 2-2 connected with webserver 2-1.
In the present embodiment, the lightning monitoring device 1-2 includes strong to the illumination in region residing for field internet-of-things terminal 1-1
Degree harmony cent does not carry out the optical sensor and sound transducer of real-time detection, and the optical sensor and sound transducer are equal
Connect with wireless receiver, the optical sensor and sound transducer by the wireless receiver with it is upper
Monitor terminal 2 is communicated.
In the present embodiment, the wireless receiver is the first radio network gateway.
When actually used, the optical sensor and sound transducer are wireless by first radio network gateway and second
Gateway 2-2 is communicated with webserver 2-1, and the remote controllers 4 are wireless by the 3rd radio network gateway and second
Gateway 2-2 is communicated with webserver 2-1.
The hardware configuration of above-mentioned field internet-of-things terminal 1-1 and upper monitoring terminal 2 is use in agriculture Internet of Things normal
Use hardware configuration.Field internet-of-things terminal 1-1 and lightning monitoring device 1-2 in the field terminal device 1 are respectively positioned on field
(i.e. farmland), wherein field internet-of-things terminal 1-1 are the valve positioner in agricultural water-saving irrigation engineering, greenhouse automation are set
The relay that the relay used in standby (including fan, heater, lighting apparatus etc.) and water-saving irrigation project is controlled
Device controller, environment sensing equipment, monitoring device etc..
When being set to the frequency that upper monitoring terminal 2 obtains weather forecast information in step one, the upper monitoring
The number of times that terminal 2 obtains weather forecast information daily is n times, and wherein n is positive integer and n=1,2,4,8,12 or 24.
In the present embodiment, n=1 or 2.Wherein, when the number of times that upper monitoring terminal 2 obtains weather forecast information daily is 1
When secondary, daily 6:00 AM obtains a weather forecast information；When upper monitoring terminal 2 obtains the secondary of weather forecast information daily
When number is 2 times, 7 points of daily morning obtains a weather forecast information respectively with 7 points in evening.
When actually used, can according to residing for daily field internet-of-things terminal 1-1 region weather forecast issuing time, to upper
Position monitor terminal 2 obtains the frequency of weather forecast information and each acquisition time is adjusted.
The upper monitoring terminal 2 is pre- by the weather that internet obtains region residing for field internet-of-things terminal 1-1 daily
Notify breath (i.e. meteorological data), it is also possible to the meteorological number in region residing for field internet-of-things terminal 1-1 is ordered to weather forecast website
According to upper monitor terminal 2 sending meteorological data from the timing of weather forecast website.In the present embodiment, the upper monitoring terminal 2
The weather forecast information in region residing for field internet-of-things terminal 1-1 is obtained by internet and using data-mining module.
The upper monitoring terminal 2 obtains weather forecast information, weather of the equal calling word recognition module to acquisition every time
Whether forecast information is distinguished, and judges contain character " thunder " in distinguished weather forecast information, when the weather distinguished is pre-
When notifying in breath containing character " thunder ", illustrate the weather forecast information in region residing for the field internet-of-things terminal 1-1 of this time acquisition
Be lightning forecasting, i.e., in this lightning protection period the weather forecast information in region residing for field internet-of-things terminal 1-1 be " thunderstorm ",
" thunder shower " etc. has the possible meteorology of thunderbolt, now into the thunder and lightning state of alert, that is, carries out the thunder and lightning that has described in step 203 and prevents
Shield treatment.
Because weather forecast has certain rate of false alarm, and specific time that thunder and lightning occurs and position and right cannot be determined
The extent of damage that field internet-of-things terminal 1-1 is caused, therefore thunder and lightning situation need to further be judged, then determine whether into
Enter lightning protection state.According to the actual monitoring result of lightning monitoring device 1-2 in the present invention, and according to thunder and lightning occur position with
The distance between field internet-of-things terminal 1-1 LL, decides whether to enter lightning protection state.
When actually used, field internet-of-things terminal 1-1 less demanding for some lightning protections, the upper monitoring end
End 2 can the direct weather forecast information according to acquired in, the control make-and-break control switch break-make.Specifically, it is described upper
Monitor terminal calling word distinguishes module and the weather forecast information for obtaining is distinguished, and according to recognition result, judgement is known
Whether contain character " thunder " in the weather forecast information of reading：Contain character in judging to draw distinguished weather forecast information
When " thunder ", the upper monitoring terminal 2 controls the make-and-break control switch to disconnect by remote controllers 4, cuts off field Internet of Things
Network termination 1-1 is subjected to the passage of indirect lightning strike, field internet-of-things terminal 1-1 is in lightning protection state；Otherwise, it is described upper
Monitor terminal 2 controls the make-and-break control switch to connect by remote controllers 4.
In the present embodiment, after upper monitoring terminal described in step 2,033 2 receives lightning information, according to the thunder and lightning for receiving
Information, judges the generation position of this thunder and lightning；And the location of lightning monitoring device 1-2 is combined, analysis draws this thunder
The distance between the generation position of electricity and lightning monitoring device 1-2 LL；LL is entered with Lightning Warning set in advance apart from LY again
Row compares, and as LL >=LY, the upper monitoring terminal 2 controls the make-and-break control switch to disconnect by remote controllers 4, cuts
The supply line of disconnected field terminal device 1, now the data circuit between field terminal device 1 and upper monitoring terminal 2 is also same
Step is cut off.Thus, region overhead residing for and if only if field internet-of-things terminal 1-1 thunder and lightning occurs and the generation position of thunder and lightning connects
During nearly field internet-of-things terminal 1-1, upper monitoring terminal 2 controls the make-and-break control switch to disconnect by remote controllers 4, energy
Play a part of effectively to prevent indirect lightning strike.
In the present embodiment, field internet-of-things terminal 1-1 is identical with the installation position of lightning monitoring device 1-2.Thus, thunder and lightning
There is the distance between position and field internet-of-things terminal 1-1 and thunder and lightning occur between position and lightning monitoring device 1-2 away from
From identical.
In the present embodiment, using lightning monitoring device 1-2 on region residing for field internet-of-things terminal 1-1 in step 2033
The thunder and lightning that sky occurs is when being monitored, and the optical sensor and sound transducer are to region residing for field internet-of-things terminal 1-1
Intensity of illumination harmony cent do not carry out real-time detection, and by institute's detection signal synchronous driving to upper monitor terminal 2；On described
Position monitor terminal 2 synchronizes analysis to optical sensor and sound transducer institute detection signal, and analysis draws each moment field
Between region overhead residing for internet-of-things terminal 1-1 whether there is lightning and thunderous, further according to each moment field internet-of-things terminal 1-1 institutes
Whether place region overhead there is lightning and thunderous analysis result, and whether region overhead residing for field internet-of-things terminal 1-1 is sent out
Raw thunder and lightning is judged.
In actual use, the optical sensor and sound transducer be according to sample frequency set in advance, to field
Between the intensity of illumination harmony cent in region residing for internet-of-things terminal 1-1 do not detected, and by each sampling instant institute detection signal
Synchronous driving is to upper monitor terminal 2.2 pairs of optical sensors for being received of the upper monitoring terminal and sound transducer are respectively adopted
Sample moment institute's detection signal synchronizes analysis, and analysis is drawn on region residing for each sampling instant field internet-of-things terminal 1-1
Whether whether sky there is lightning and thunders, dodged further according to region overhead residing for each sampling instant field internet-of-things terminal 1-1
Electricity and thunderous analysis result, judge whether region overhead residing for field internet-of-things terminal 1-1 occurs thunder and lightning.
In the present embodiment, whether there is lightning to enter in region overhead residing for field internet-of-things terminal 1-1 by optical sensor
Whether row detection, have thunderous detection to region overhead residing for field internet-of-things terminal 1-1 by sound transducer：Work as field
When having lightning in vain on region residing for internet-of-things terminal 1-1, there is step in the intensity of illumination detected value of the optical sensor output
Change, and record the step generation moment (i.e. the moment TL of generation lightning) that Spline smoothing occurs；As field internet-of-things terminal 1-1
When having thunderous in vain on residing region, there is Spline smoothing in the intensity of sound detected value of the sound transducer output, and record hair
There is the moment (thunderous moment TS occurs) in the step of raw Spline smoothing.Also, there is step in the optical sensor
There is timing synchronization and be sent to upper monitoring terminal 2 in intensity of illumination detected value and step during change, the sound transducer will
Upper monitoring terminal 2 be sent to and timing synchronization in intensity of sound detected value and step when it occurs Spline smoothing there is.
In the present embodiment, when whether thunder and lightning occurring to region overhead residing for field internet-of-things terminal 1-1 and judging, when upper
The position analysis of monitor terminal 2 show that region overhead residing for field internet-of-things terminal 1-1 occurs a lightning and upper after time Δ t
When the analysis of monitor terminal 2 show that region overhead occurs once to thunder residing for field internet-of-things terminal 1-1, field Internet of Things end is drawn
There is a thunder and lightning in region overhead residing for the 1-1 of end, and to region overhead residing for field internet-of-things terminal 1-1 occur the moment of lightning
TL and the moment TS for occurring to thunder are recorded respectively；Afterwards, the upper monitoring terminal 2 is according to formula LL=(TS-TL) × c
(1) the distance between the generation position of this thunder and lightning and lightning monitoring device 1-2 LL, is calculated, c exists for sound in formula (1)
Spread speed in air；Herein, c=348m/s.
In the present embodiment, lightning Characteristics database and thunderous property data base, institute are provided with the webserver 2-1
State lightning Characteristics databases and contain multiple intensity of illumination data when there is lightning, the thunderous property data base memory storage
Intensity of sound data when having multiple generations thunderous.
The lightning information that upper monitoring terminal described in step 2,033 2 is received includes the light that the optical sensor is uploaded
Received according to the intensity of sound detection data that intensity detection data and the sound transducer are uploaded, and the upper monitoring terminal 2
To after lightning information, first whether the received intensity of illumination detection data of judgement and intensity of sound detection data meet thunder and lightning spy
Levy, specifically by intensity of illumination detection data and intensity of sound detection data respectively with lightning Characteristics database and thunderous characteristic
Contrasted according to the data stored in storehouse, and the region overhead hair according to residing for comparing result draws field internet-of-things terminal 1-1
A raw lightning is thunderous, so as to whether region overhead residing for judging field internet-of-things terminal 1-1 occurs thunder and lightning：When judging
When going out that region overhead occurs a thunder and lightning residing for field internet-of-things terminal 1-1, according to the moment TL that lightning occurs and occur thunderous
Moment TS between time difference calculate the distance between the generation position of this thunder and lightning and lightning monitoring device 1-2 LL,
And when LL is less than Lightning Warning set in advance apart from LY, upper monitoring terminal 2 is controlled described logical by remote controllers 4
Disconnected controlling switch disconnects, and cut-out field internet-of-things terminal 1-1 is subjected to the passage of indirect lightning strike, makes at field internet-of-things terminal 1-1
In lightning protection state, thus can play a part of effectively to prevent indirect lightning strike.
When actually used, because field internet-of-things terminal 1-1 installation sites are relatively low and circuit is short, rushed during by indirect lightning strike
Hit small, if with power network (i.e. described power supply unit) cut-out, can just play a part of to prevent broken by lightning, and by field Internet of Things
The probability that terminal 1-1 is subjected to broken by lightning is minimized.
In actual use, when NULI character " thunder " in judging to draw distinguished weather forecast information in step 202,
Then enter step 204, now need to terminate lightning protection process, upper monitoring terminal 2 controls the break-make by remote controllers 4
Controlling switch is connected, and field internet-of-things terminal 1-1 is in normal operating conditions.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure change that technical spirit is made to above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (9)
1. a kind of field terminal device lightening arresting method based on agriculture Internet of Things, it is characterised in that：The field of lightning protection need to be carried out
Between terminal device (1) including field internet-of-things terminal (1-1) and to residing for field internet-of-things terminal (1-1) region overhead occur
The lightning monitoring device (1-2) that thunder and lightning is monitored, the field internet-of-things terminal (1-1) is to be laid in field and with channel radio
The internet-of-things terminal that letter mode is communicated with upper monitoring terminal (2), the lightning monitoring device (1-2) be laid in field and
It is laid in the same area with field internet-of-things terminal (1-1), the lightning monitoring device (1-2) with communication with it is upper
Position monitor terminal (2) is communicated；The field internet-of-things terminal (1-1) and lightning monitoring device (1-2) are by power distribution room (3)
It is powered and the two is connected between the power supply unit in power distribution room (3) by supply line, is concatenated in the supply line
There is make-and-break control switch, the make-and-break control switch is controlled by remote controllers (4) and it connects with remote controllers (4)；Institute
Remote controllers (4) are stated to be communicated with upper monitoring terminal (2) with communication；The field terminal device (1)
Lightening arresting method, comprises the following steps：
Step one, Initial parameter sets：The frequency that upper monitoring terminal (2) obtains weather forecast information is set, while
The lightning protected state of field terminal device (1) is set by upper monitoring terminal (2), and to the lightning protected of setting
State synchronizes storage；
The upper monitoring terminal (2) obtains the moment of weather forecast information for weather forecast obtains the moment every time, two neighboring
The time interval that weather forecast obtains between the moment is a lightning protection period；
The lightning protected state of the field terminal device (1) in lightning protected or do not carry out it is lightning protected, when the field
When the lightning protected state of terminal device (1) is lightning protected middle, the make-and-break control switch is off；When the field
Between terminal device (1) lightning protected state for do not carry out lightning protected when, the make-and-break control switch is in an ON state；This
In step, the lightning protected state of the field terminal device (1) for setting is lightning protected not carry out；
Step 2, lightning protection：The upper monitoring terminal (2) according in step one set weather forecast information acquisition frequently
Rate, obtains to the weather forecast information in region residing for field internet-of-things terminal (1-1) in each lightning protection period, and according to
The weather forecast information of acquisition carries out lightning protection to field terminal device (1)；In each lightning protection period, the field terminal
The lightning-protection method all same of equipment (1)；
In any one lightning protection period, when carrying out lightning protection to field terminal device (1), process is as follows：
Step 201, weather forecast information are obtained：The upper monitoring terminal (2) calls weather forecast acquisition module and by mutual
Networking, obtains the weather forecast information in region residing for field internet-of-things terminal (1-1) in the current lightning protection period；Acquired
Weather forecast information is text information；
Step 202, weather forecast information analysis：Upper monitoring terminal (2) calling word distinguishes module, in step 201
Whether the weather forecast information of acquisition is distinguished, and according to recognition result, judges contain in distinguished weather forecast information
Character " thunder "：When in judging to draw distinguished weather forecast information containing character " thunder ", into step 203；Otherwise, enter
Step 204；
Step 203, there is lightning protection to process, comprise the following steps：
Step 2031, lightning protected condition adjudgement：Thunder and lightning of the upper monitoring terminal (2) to now field terminal device (1)
Guard mode is judged：When the lightning protected state of now field terminal device (1) is not to carry out lightning protected, into step
Rapid 2032；Otherwise, when now field terminal device (1) lightning protected state for it is lightning protected middle when, the upper monitoring end
The synchronous transmission to remote controllers (4) in end (2) terminates lightning protected control information, and the remote controllers (4) receive described
After terminating lightning protected control information, make-and-break control switch described in Synchronization Control is connected, while will by upper monitoring terminal (2)
The lightning protected state of field terminal device (1) be adjusted to not carry out it is lightning protected, afterwards into step 2032；
Step 2032, lightning monitoring：In the current lightning protection period, using lightning monitoring device (1-2) to field Internet of Things end
The thunder and lightning that region overhead residing for end (1-1) occurs is monitored：When detecting field Internet of Things end in the current lightning protection period
When region overhead residing for end (1-1) does not occur a thunder and lightning, field terminal device (1) is anti-in the completion current lightning protection period
Thunder protects process, into step 205；Otherwise, into step 2033；
Step 2033, lightning monitoring result are uploaded and Synchronization Analysis：Using lightning monitoring device (1-2) to field in step 2032
During the thunder and lightning whether region overhead residing for internet-of-things terminal (1-1) occurs is monitored, when detecting field Internet of Things end
When residing for end (1-1) there is a thunder and lightning in region overhead, the lightning information synchronized upload that lightning monitoring device (1-2) will be monitored
To upper monitor terminal (2)；After the upper monitoring terminal (2) receives lightning information, according to the lightning information for receiving, and tie
Close lightning monitoring device the location of (1-2), analysis draw this thunder and lightning generation position and lightning monitoring device (1-2) it
Between distance, be denoted as LL；Afterwards, the upper monitoring terminal (2) calls difference comparsion module, and LL and LY are compared：When
During LL ＜ LY, the synchronous transmission to remote controllers (4) of the upper monitoring terminal (2) starts lightning protected control information, described
After remote controllers (4) receive the lightning protected control information of startup, make-and-break control switch described in Synchronization Control disconnects, complete
The lightning protection process of field terminal device (1) in into the current lightning protection period, while passing through upper monitoring terminal (2) by field
Between the lightning protected state of terminal device (1) be adjusted to lightning protected, afterwards into step 205；Otherwise, into step
2034；
Wherein, LY is Lightning Warning set in advance distance and LY=100m~10000m；
Step 2034, follow-up lightning monitoring：In the current lightning protection period, using lightning monitoring device (1-2) to field Internet of Things
The thunder and lightning that region overhead residing for network termination (1-1) occurs persistently is monitored：It is residing when field internet-of-things terminal (1-1) is detected
When there is a thunder and lightning in region overhead, return to step 2031, and according to the method described in step 2031, the thunder occur to this
Electricity carries out the upload of lightning monitoring result and Synchronization Analysis；Otherwise, field terminal device (1) in the current lightning protection period is completed
Lightning protection process, into step 205；
Step 204, without lightning protection treatment：The upper monitoring terminal (2) is lightning protected to now field terminal device (1)
State is judged：When now, the lightning protected state of field terminal device (1) is when not carrying out lightning protected, to complete current anti-
The lightning protection process of field terminal device (1) in thunder protective time slot, afterwards into step 205；Otherwise, when now field terminal
When the lightning protected state of equipment (1) is lightning protected middle, the upper monitoring terminal (2) is synchronous to be sent out to remote controllers (4)
Send end lightning protected control information, it is synchronous after the remote controllers (4) receive the lightning protected control information of end
The make-and-break control switch is controlled to connect, while passing through upper monitoring terminal (2) by the lightning protected shape of field terminal device (1)
State is adjusted to not carrying out lightning protected, the lightning protection process of field terminal device (1) in the completion current lightning protection period, it
Enter step 205 afterwards；
Step 205, next lightning protection period lightning protection：In next lightning protection period, according to step 201 to step
Method described in 204, lightning protection is carried out to field terminal device (1)；
Step 206, step 205 is repeated several times, until the lightning protection for completing field terminal device (1) in all lightning protection periods is protected
Shield process.
2. according to a kind of field terminal device lightening arresting method based on agriculture Internet of Things described in claim 1, it is characterised in that：
The make-and-break control switch is contactor (5), and the contactor (5) is connected with remote controllers (4).
3., according to a kind of field terminal device lightening arresting method based on agriculture Internet of Things described in claim 1 or 2, its feature exists
In：The power distribution room (3) is laid in field and it is located at field terminal device (1) the week side of boss, the make-and-break control switch and long-range
Controller (4) is respectively positioned in power distribution room (3).
4. according to a kind of field terminal device lightening arresting method based on agriculture Internet of Things described in claim 3, it is characterised in that：
The power supply unit includes consumer unit (6) and the step-down transformer (7) being connected with consumer unit (6), and the step-down transformer (7) is led to
The supply line is crossed to be connected with field internet-of-things terminal (1-1) and lightning monitoring device (1-2).
5., according to a kind of field terminal device lightening arresting method based on agriculture Internet of Things described in claim 1 or 2, its feature exists
In：The webserver (2-1) of the upper monitoring terminal (2) including access internet, the webserver (2-1) and field
Between between internet-of-things terminal (1-1), lightning monitoring device (1-2) and remote controllers (4) by short message channel or WIFI,
GPRS or cdma wireless network are communicated.
6., according to a kind of field terminal device lightening arresting method based on agriculture Internet of Things described in claim 1 or 2, its feature exists
In：The lightning monitoring device (1-2) includes other to the intensity of illumination harmony cent in region residing for field internet-of-things terminal (1-1)
The optical sensor and sound transducer of real-time detection are carried out, the optical sensor and sound transducer are received with wireless data
Hair device connects, and the optical sensor and sound transducer are by the wireless receiver and upper monitoring terminal (2)
Communicated.
7. according to a kind of field terminal device lightening arresting method based on agriculture Internet of Things described in claim 6, it is characterised in that：
The thunder and lightning that region overhead residing for field internet-of-things terminal (1-1) occurs is entered using lightning monitoring device (1-2) in step 2033
During row monitoring, the optical sensor and sound transducer to the intensity of illumination in region residing for field internet-of-things terminal (1-1) and
Sound carries out real-time detection respectively, and by institute's detection signal synchronous driving to upper monitor terminal (2)；The upper monitoring terminal
(2) analysis is synchronized to optical sensor and sound transducer institute detection signal, and analysis draws each moment field Internet of Things
Whether region overhead residing for terminal (1-1) there is lightning and thunders, further according to area residing for each moment field internet-of-things terminal (1-1)
Whether whether domain overhead there is lightning and thunderous analysis result, occur to region overhead residing for field internet-of-things terminal (1-1)
Thunder and lightning is judged.
8. according to a kind of field terminal device lightening arresting method based on agriculture Internet of Things described in claim 7, it is characterised in that：
When whether thunder and lightning occurring to region overhead residing for field internet-of-things terminal (1-1) and judging, when upper monitoring terminal (2) analysis
Show that region overhead residing for field internet-of-things terminal (1-1) occurs a lightning and the upper monitoring terminal (2) point after time Δ t
When analysis show that region overhead residing for field internet-of-things terminal (1-1) occurs once to thunder, field internet-of-things terminal (1-1) institute is drawn
Place region overhead occur a thunder and lightning, and to residing for field internet-of-things terminal (1-1) region overhead occur lightning moment TL and
There is thunderous moment TS to be recorded respectively；Afterwards, the upper monitoring terminal (2) is according to formula LL=(TS-TL) × c
(1) the distance between generation position and the lightning monitoring device (1-2) of this thunder and lightning LL, is calculated, c is sound in formula (1)
Aerial spread speed；
9., according to a kind of field terminal device lightening arresting method based on agriculture Internet of Things described in claim 1 or 2, its feature exists
In：When being set to the frequency that upper monitoring terminal (2) obtains weather forecast information in step one, the upper monitoring terminal
(2) the daily number of times for obtaining weather forecast information is n times, and wherein n is positive integer and n=1,2,4,8,12 or 24.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106786569A (en) * | 2017-03-08 | 2017-05-31 | 王军录 | Electric line lightening arresting method |
| DE102018200720A1 (en) * | 2018-01-17 | 2019-07-18 | BSH Hausgeräte GmbH | Control of a household appliance |
| CN111899542A (en) * | 2019-05-06 | 2020-11-06 | 上海量栀通信技术有限公司 | Intelligent traffic signal lamp control system |
| CN110187196A (en) * | 2019-05-23 | 2019-08-30 | 宁波梅山岛国际集装箱码头有限公司 | A kind of intelligent lightning protecting monitoring management system |
| CN110470958B (en) * | 2019-08-23 | 2020-12-29 | 西南交通大学 | Arc network arc intensity detection system and method based on arc sound signals |
| CN111913048B (en) * | 2020-06-15 | 2023-04-28 | 宁波大学 | Intelligent lightning protection system capable of automatically alarming |
| CN112637352B (en) * | 2020-12-25 | 2022-08-02 | 深圳市九洲电器有限公司 | Internet of things terminal disaster prevention processing method and device and internet of things terminal |
| CN114966897A (en) * | 2022-05-30 | 2022-08-30 | 郑州丰嘉科技有限公司 | Historical relic safety analysis early warning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2728017B2 (en) * | 1995-04-18 | 1998-03-18 | 日本電気株式会社 | Lightning monitoring system |
| US6420862B2 (en) * | 2000-02-14 | 2002-07-16 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | System and method of locating lightning strikes |
| CN1968563B (en) * | 2006-06-30 | 2010-08-18 | 华为技术有限公司 | Lightning prevention device |
| CN102095943B (en) * | 2010-11-25 | 2013-04-24 | 中国气象科学研究院 | Early warning method and device of lightning |
| CN103618287A (en) * | 2013-12-06 | 2014-03-05 | 国家电网公司 | Lightning protection method and system |
| CN103795052B (en) * | 2014-01-20 | 2017-01-11 | 嘉兴市国科京禾电子有限公司 | Data signal line RS-485 intelligent anti-lighting device and method |
| CN104143256A (en) * | 2014-08-25 | 2014-11-12 | 陕西科技大学 | Lightning protection device and method of wireless sensing device in intelligent irrigation system |
| CN104574833A (en) * | 2014-12-31 | 2015-04-29 | 厦门大恒科技有限公司 | Lightning early warning method and system based on lightning monitoring devices arranged in distributed mode |
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