CN106297221A - A kind of agricultural irrigation security alarm mode based on technology of Internet of things - Google Patents
A kind of agricultural irrigation security alarm mode based on technology of Internet of things Download PDFInfo
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- CN106297221A CN106297221A CN201610696082.7A CN201610696082A CN106297221A CN 106297221 A CN106297221 A CN 106297221A CN 201610696082 A CN201610696082 A CN 201610696082A CN 106297221 A CN106297221 A CN 106297221A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
- H04W40/248—Connectivity information update
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a kind of agricultural irrigation security alarm mode based on technology of Internet of things, including the terminal of band warning APP, server, main frame and from machine, the terminal of band warning APP is used for showing that server transmits the main frame come and slave devices state, and to server push main frame and from machine control command；Server for being connected holding, sending equipment control command data and the status information sent to main process equipment with the terminal of device Host and band warning APP；Main frame for obtain send from server control command, send to server main frame and from machine related status information, maintain the TCP length of GPRS to connect by mqtt agreement with server, set up and safeguard 433M wireless network, to from the wireless data of the machine relevant 433M of transmission, in LAN, receive the control command that the terminal from band warning APP sends；From machine for receive send from machine control command, send to main frame add from the relevant status information of machine, network, data relaying and warning message etc..
Description
Technical field
The present invention relates to a kind of agricultural irrigation security alarm mode based on technology of Internet of things, particularly one is applicable to lead to
Letter node between more than 1 kilometer medium and long distance communication agricultural irrigation and the type of alarm of safety-protection system.
Background technology
At the northern area that precipitation is few, the irrigation of agricultural and animal husbandry is much to use well irrigation, and its advantage is need not
Honest and enlightened canal, or cannot obtain surface water resources cannot honest and enlightened canal, therefore occupy cultivated land few.
But being because a lot of local scarcely populated, motor-pumped well is again to be dispersed in farmland or the pasture of sheet by certain limit,
Motor-pumped well spacing is farther out (more than 1KM), thus cannot use artificial mode that each motor-pumped well carries out the real-time of security protection and pouring
Monitoring, thus the state of well house can only be monitored by the alarm monitoring equipment being contained in well house, once there is abnormal alarm situation, and
Time offer data center.
Generally agricultural warning system many employings wire transmission technology (RS485/RS422/RJ45), zigbee wireless technology,
The wireless technology such as GRPS/3G/4G technology realizes communication, and any of the above communication technology all exists certain defect: wire transmission skill
Art waits installation problem the most gradually to be replaced by wireless technology because wiring is loaded down with trivial details；Zigbee-technology uses ISM's
2.4g frequency range, exist communication distance short and be not suitable for use；The SIM management after SIM system of real name of GRPS/3G/4G technology is tired
High and network signal coverage rate the problem of difficulty, cost can not use in high volume.As can be seen here, a kind of enforcement is designed convenient, logical
Communication distance covers remote, safe and reliable agriculture security alarm mode, is current urgent problem.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provide a kind of be applicable between communication node more than 1 kilometer remote
The agricultural irrigation of distance communication and the mode of safety-protection system.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of agricultural irrigation security alarm mode based on technology of Internet of things, it is characterised in that: include band warning APP terminal,
Server, main frame and from machine, be all connected by 433M wireless network, described main frame and server between machine and between machine with main frame
Between connected by GRPS/3G/4G wireless network, work comprises the following steps:
Step one: access 433M wireless network, be made up of step by step following:
1.1, a certain after machine starts, active scan 433M network, timing sends the request bag that networks,
1.2, networked from machine or main frame receive this after the networking of machine is asked, within the scan period, random delay, and to this
The networking request-reply bag including signal strength information and self hop count information is sent from machine,
1.3, should be after each scan period of machine terminate, please by the networking comprising signal strength information and hop count information received
Ask response bag generate device scan list and check device scan list, therefrom filter out jumping figure minimum the strongest with signal intensity
Networked is connected as father node from machine,
1.4, should from machine with networked set up filiation table from machine,
1.5, after machine networks, should can generate the routing table information of self as node, and timing sent certainly to 433M wireless network
The list of devices bag of body；After father node receives this list of devices bag, update the routing table information of self, and report step by step and more
Newly.
Step 2: the data transmission after machine accesses 433M wireless network described in step one is made up of step by step following:
2.1, should first intercept the intensity minimal communications time of channel from machine before sending alert data, to judge channel busy, not busy
Then send, hurry in and wait until that channel is not busy, to prevent channel data from colliding,
2.2, should from machine alert data uploaded to as father node after machine, this as father node from machine according to self
Filiation table again alert data is uploaded to the father node as self from machine, until reporting to main frame.
Described step 2 also comprises the steps of
2.3, need to confirm to send successful alert data, then, after having sent, first send data to data queue to be confirmed,
And confirmation time-out time is set, if receiving the confirmation bag of receiving terminal before confirming time-out, then by packet from queue to be confirmed
In remove, otherwise sender then retransmits.
In step 1.3 selected as father node from machine according to strategy as follows: if there being main frame, then this preferentially connect from machine
Connect main frame；If off host, then should select from machine device scan list has minimum hop count and signal intensity the strongest from
The father node that machine connects as it.
The invention has the beneficial effects as follows: native system installation is convenient, and hardware cost is low, communications is remote (point-to-point logical
Communication distance is up to 2 kilometers), alert data reports soon, and data delay is few, it is achieved the transmitting of data.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is present system structural representation；
Fig. 2 is node relationships schematic diagram；
Fig. 3 is the exemplary plot of routing table.
Detailed description of the invention
With reference to Fig. 1, the invention discloses a kind of agricultural irrigation security alarm mode based on technology of Internet of things, including band report
The alert terminal of APP, server, main frame and from machine, be all connected by 433M wireless network between machine and between machine with main frame, described
Being connected by GRPS/3G/4G wireless network between main frame with server, the terminal of band warning APP is used for showing that server transmits
Main frame and slave devices state, and to server push main frame and from machine control command；Server is used for and device Host
And the terminal of band warning APP connects holding, sends equipment control command data and the status information sent to main process equipment；
Main frame for obtain send from server control command, send to server main frame and from machine related status information, pass through
Mqtt agreement maintains the TCP length of GPRS to connect, set up and safeguard 433M wireless network, send relevant 433M to from machine to server
Wireless data, in LAN, receive the control command that the terminal from band warning APP sends；Send from machine for receiving from machine
Control command, send to main frame add from the relevant status information of machine, network, data relaying and warning message etc..
Work process is as follows:
Step one: access 433M wireless network, be made up of step by step following:
1.1, a certain after machine starts, active scan 433M network, fixed time broadcast sends the request bag that networks,
1.2, networked from machine or main frame receive this after the networking of machine is asked, within the scan period, random delay, and to this
Send the networking request-reply bag including signal strength information and self hop count information from machine, jumping figure refers to transfer number of times,
Such as, need just can connect main frame twice from networked from machine transfer, then jumping figure is exactly 2, the like,
1.3, should be after each scan period of machine terminate, please by the networking comprising signal strength information and hop count information received
Ask response bag generate device scan list and check device scan list, therefrom filter out jumping figure minimum the strongest with signal intensity
Networked is connected as father node from machine.Selected as father node from machine according to strategy as follows: if there being main frame, then
Should be from machine preferential attachment main frame；If off host, then should select from machine and device scan list had minimum hop count and signal
The father node connected as it from machine that intensity is the strongest,
1.4, it is somebody's turn to do as node and the filiation table setting up node from machine networked after machine networks, as in figure 2 it is shown, table
In node relative to oneself being child node for the even higher level of node of oneself, the node of upper level is father node, relative next stage
Node for, oneself be father node, and the node of next stage be child node, thus father node is relative with the relation of child node
Rather than absolute, nor remain unchanged always, be to occur according to the state of the node (i.e. from machine) of surrounding
Change,
1.5, the routing table information of self should be generated from chance, as it is shown on figure 3, and timing is to 433M wireless network transmission self
List of devices bag；After father node receives this list of devices bag, update the routing table information of self, and report step by step and update, logical
Cross above-mentioned steps, should be relatively fixed from the annexation of machine with main frame, in like manner, each the annexation from machine Yu main frame
It is all to use aforesaid way to be optimized fixing, and is the optimized data transfer path selected, thus warning number
Fast according to reporting, data delay is few.
Step 2: the data transmission after machine accesses 433M wireless network described in step one is made up of step by step following:
2.1, should first intercept the intensity minimal communications time of channel from machine before sending alert data, to judge channel busy, not busy
Then send, hurry in and wait until that channel is not busy, to prevent channel data from collide, above-mentioned steps also for optimization transmitting procedure, thus
Alert data reports soon, the purpose that data delay is few.
2.2, should from machine alert data uploaded to as father node after machine, this as father node from machine according to from
The routing table information of body again alert data is uploaded to the father node as self from machine, until reporting to main frame,
As further step 2.3, need to confirm to send successful alert data, then, after having sent, first data are sent
To data queue to be confirmed, and confirmation time-out time is set, if receiving the confirmation bag of receiving terminal before confirming time-out, then by number
Removing from queue to be confirmed according to bag, otherwise sender then retransmits, and above-mentioned steps can be corrected voluntarily and be occurred in the data transmission
Some cause the unknown error that data can not transmit, thus realize the function of the transmitting of data.
A kind of based on technology of Internet of things the agricultural irrigation security alarm mode provided the embodiment of the present invention above, enters
Having gone and be discussed in detail, principle and the embodiment of the present invention are set forth by specific case used herein, above enforcement
The explanation of example is only intended to help to understand method and the core concept thereof of the present invention；General technology people simultaneously for this area
Member, according to the thought of the present invention, the most all will change, in sum, and this explanation
Book content should not be construed as limitation of the present invention.
Claims (3)
1. an agricultural irrigation security alarm mode based on technology of Internet of things, it is characterised in that: include the end of band warning APP
End, server, main frame and from machine, be all connected by 433M wireless network, described main frame and clothes between machine and between machine with main frame
Being connected by GRPS/3G/4G wireless network between business device, work comprises the following steps:
Step one: access 433M wireless network, be made up of step by step following:
1.1, a certain after machine starts, active scan 433M network, timing sends the request bag that networks,
1.2, networked from machine or main frame receive this after the networking of machine is asked, within the scan period, random delay, and to this
The networking request-reply bag including signal strength information and self hop count information is sent from machine,
1.3, should be after each scan period of machine terminate, please by the networking comprising signal strength information and hop count information received
Ask response bag generate device scan list and check device scan list, therefrom filter out jumping figure minimum the strongest with signal intensity
Networked is connected as father node from machine,
1.4, should from machine with networked set up filiation table from machine,
1.5, after machine networks, should can generate the routing table information of self as node, and timing sent certainly to 433M wireless network
The list of devices bag of body；After father node receives this list of devices bag, update the routing table information of self, and report step by step and more
Newly.
Step 2: the data transmission after machine accesses 433M wireless network described in step one is made up of step by step following:
2.1, should first intercept the intensity minimal communications time of channel from machine before sending alert data, to judge channel busy, not busy
Then send, hurry in and wait until that channel is not busy, to prevent channel data from colliding,
2.2, should from machine alert data uploaded to as father node after machine, this as father node from machine according to self
Filiation table again alert data is uploaded to the father node as self from machine, until reporting to main frame.
A kind of agricultural irrigation security alarm mode based on technology of Internet of things the most according to claim 1, it is characterised in that:
Described step 2 also comprises the steps of
2.3, need to confirm to send successful alert data, then, after having sent, first send data to data queue to be confirmed,
And confirmation time-out time is set, if receiving the confirmation bag of receiving terminal before confirming time-out, then by packet from queue to be confirmed
In remove, otherwise sender then retransmits.
A kind of agricultural irrigation security alarm mode based on technology of Internet of things the most according to claim 1, it is characterised in that:
In step 1.3 selected as father node from machine according to strategy as follows: if there being main frame, then this is from machine preferential attachment main frame；
If off host, then should select from machine device scan list has minimum hop count and signal intensity the strongest from machine as it
The father node connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610696082.7A CN106297221A (en) | 2016-08-19 | 2016-08-19 | A kind of agricultural irrigation security alarm mode based on technology of Internet of things |
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| CN201610696082.7A CN106297221A (en) | 2016-08-19 | 2016-08-19 | A kind of agricultural irrigation security alarm mode based on technology of Internet of things |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196997A (en) * | 2017-04-25 | 2017-09-22 | 张伦 | A kind of very-long-range method for transmitting signals based on agriculture Internet of Things |
| CN112543475A (en) * | 2020-12-07 | 2021-03-23 | 四川技高禹圣仪表有限公司 | Remote meter reading terminal with ad hoc network joining signal strength display |
| CN112863158A (en) * | 2020-12-31 | 2021-05-28 | 广州旋坤信息科技有限公司 | Wireless communication method, communication equipment and system based on LoRa technology |
| WO2021190283A1 (en) * | 2020-03-27 | 2021-09-30 | 阳光电源股份有限公司 | Photovoltaic system and communication method therefor |
| CN115942376A (en) * | 2023-03-09 | 2023-04-07 | 中法渤海地质服务有限公司 | Well site information remote transmission method and system |
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| CN104469877A (en) * | 2014-12-23 | 2015-03-25 | 福建星网视易信息***有限公司 | 433M wireless automatic networking method and system |
| WO2015130756A1 (en) * | 2014-02-28 | 2015-09-03 | John Boudreaux | Maintaining routing information |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196997A (en) * | 2017-04-25 | 2017-09-22 | 张伦 | A kind of very-long-range method for transmitting signals based on agriculture Internet of Things |
| CN107196997B (en) * | 2017-04-25 | 2020-04-17 | 叶炜 | Ultra-remote signal transmission method based on agricultural Internet of things |
| WO2021190283A1 (en) * | 2020-03-27 | 2021-09-30 | 阳光电源股份有限公司 | Photovoltaic system and communication method therefor |
| CN112543475A (en) * | 2020-12-07 | 2021-03-23 | 四川技高禹圣仪表有限公司 | Remote meter reading terminal with ad hoc network joining signal strength display |
| CN112543475B (en) * | 2020-12-07 | 2021-07-30 | 四川技高禹圣仪表有限公司 | Remote meter reading terminal with ad hoc network joining signal strength display |
| CN112863158A (en) * | 2020-12-31 | 2021-05-28 | 广州旋坤信息科技有限公司 | Wireless communication method, communication equipment and system based on LoRa technology |
| CN115942376A (en) * | 2023-03-09 | 2023-04-07 | 中法渤海地质服务有限公司 | Well site information remote transmission method and system |
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