CN110463573A - A kind of communication system for the control of large-scale variable irrigation sprinkler classification fire wall - Google Patents
A kind of communication system for the control of large-scale variable irrigation sprinkler classification fire wall Download PDFInfo
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- CN110463573A CN110463573A CN201910707519.6A CN201910707519A CN110463573A CN 110463573 A CN110463573 A CN 110463573A CN 201910707519 A CN201910707519 A CN 201910707519A CN 110463573 A CN110463573 A CN 110463573A
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- CN
- China
- Prior art keywords
- communication
- irrigation sprinkler
- wireless data
- data transmission
- transmission terminal
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/02—Watering arrangements located above the soil which make use of perforated pipe-lines or pipe-lines with dispensing fittings, e.g. for drip irrigation
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
- H04L12/40013—Details regarding a bus controller
-
- 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
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
- H04W84/22—Self-organising networks, e.g. ad-hoc networks or sensor networks with access to wired networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40228—Modbus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Soil Sciences (AREA)
- Aviation & Aerospace Engineering (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention discloses a kind of communication systems for the control of large-scale variable irrigation sprinkler classification fire wall, including master controller, main Wireless Data Transmission Terminal, from Wireless Data Transmission Terminal, wired communication bus, wire communication repeater, it is connected between the master controller and the main Wireless Data Transmission Terminal using wired communication mode, it is described to be connected between Wireless Data Transmission Terminal and the wire communication repeater using wired communication mode, it is connected between the wire communication repeater and the wired communication bus using wired communication mode, the main Wireless Data Transmission Terminal and it is described between Wireless Data Transmission Terminal use communication connect.The present invention had not only solved the problems, such as that large-scale variable irrigation sprinkler can not use whole wired communication system, but also solved the problems, such as using wireless networking because of communication quality decline caused by increasing across several and span length.
Description
Technical field
The present invention relates to industrial automation communication fields, more particularly to one kind is for large-scale variable irrigation sprinkler classification fire wall control
The communication system of system.
Background technique
The sprinkling irrigation of pulsewidth modulation (PWM) variable refers to the installation water valve before each spray head of irrigation sprinkler, utilizes water adjusting valve
The accurate Controlled irrigation amount of duty ratio opened and closed in the period at one is, it can be achieved that the variable on walking and two directions of truss is sprayed.
Since water valve quantity is more, arrangement span is big, large-scale variable irrigation sprinkler is frequently with classification fire wall control mode, i.e. setting master controller
With the tower wagon controller on each tower wagon, each water valve is assigned to corresponding tower wagon controller by position to control.Main control
Wired and wireless two ways can be used in communication between device, tower wagon controller.Wherein, wireless control mode mainly includes
ZIEBEE, WIFI, 4G communication mode；Wired control mode uses the communication modes such as CAN bus, RS485.
RS485 is main alternative solution of the RS232 in industrial network.Since RS232 only allows point-to-point communication,
The networking requirement being unable to satisfy between multiple equipment, therefore be rarely used in industrial network.And RS485 interface is permitted in bus
Perhaps 128 transceivers are at most connected, therefore become currently popular industrial network networking mode.
In general, wired control mode can be used in large-scale parallel-moving type variable irrigation sprinkler.But large size PWM variable irrigation sprinkler is generally excellent
Branch shaft swinging is first selected, is needed from main shaft along the electric wire that water pipe is connected to each tower wagon through coiling from rotary main shaft, pitch of the laps is multiple
After be easy to cause broken string.Cable for power supply by adding slip ring to solve this problem returning at axis, but for communicate with it is low
Voltage-controlled signal processed can not be solved using slip ring mode, therefore be wirelessly communicated as primary solutions.In the prior art, it uses
When wirelessly communicating control mode, master controller and each tower wagon controller configure Wireless Data Transmission Terminal, and it is logical to form wireless networking formula
Believe type of attachment.But when increasing across several and span length, wireless networking fall frame, viscous frame can become obviously, communication quality becomes
Constrain the principal element of the control precision of PWM variable sprinkling irrigation.When radio communication quality serious deterioration, or even each tower is not can guarantee
Vehicle controller receiving, upload information.
Therefore, those skilled in the art is dedicated to developing a kind of for the logical of large-scale variable irrigation sprinkler classification fire wall control
Letter system, this communication technology should solve the problems, such as that large-scale variable irrigation sprinkler can not also be wanted using whole wired communication system
Solve the problems, such as wireless networking because of communication quality decline caused by increasing across several and span length.
Summary of the invention
In view of the above drawbacks of the prior art, the technical problem to be solved by the present invention is to large-scale in branch shaft swinging
It, can not be using whole wire communication control mode since sliding ring type digital communication can not be used in irrigation sprinkler；And if adopted
Control mode is wirelessly communicated with whole process, when increasing across several and span length, the reduction of communication quality will affect the control of PWM variable sprinkling irrigation
Precision processed.
Therefore, the present invention provides a kind of communication system for the control of large-scale variable irrigation sprinkler classification fire wall, including master control
Device processed, main Wireless Data Transmission Terminal are controlled from Wireless Data Transmission Terminal, wired communication bus, wire communication repeater and tower wagon
Device, which is characterized in that between the master controller and the main Wireless Data Transmission Terminal using wired communication mode connect, it is described from
Between Wireless Data Transmission Terminal and the wire communication repeater using wired communication mode connect, the wire communication repeater with
The tower wagon controller is connected by wired serial bus mode, the main Wireless Data Transmission Terminal and described from Wireless Data Transmission Terminal
Between using communication connect.
Further, the communication is point-to-point wireless transparent transmission communication mode.
Further, the quantity of the tower wagon controller is one or more.
Further, the wired communication mode used between the master controller and the main Wireless Data Transmission Terminal, specifically
For RS232 communication mode.
Further, the wire communication side used between Wireless Data Transmission Terminal and the wire communication repeater
Formula, specially RS485 communication mode.
Further, the wired communication bus is specially RS485 communication bus.
Further, the wire communication repeater, specially RS485 repeater.
Further, the master controller is located at the dead axle side of large-scale variable irrigation sprinkler, and the tower wagon controller is located at
The rotating side of large-scale variable irrigation sprinkler.
Further, the RS485 repeater plays the role of signal power amplification.
Further, MODBUS communication protocol is used between the master controller and the tower wagon controller.
Compared with prior art, the present invention at least have it is following the utility model has the advantages that
1) wireless transparent transmission of only a pair of point-to-point, other is wire transmission, high reliablity.
2) the wireless transparent transmission terminal of short distance, low-power consumption can be used, few to the interference of other equipment, cost is also very low.
3) it is suitable for the large-scale variable irrigation sprinkler with revolute function, simultaneously can be used for the sprinkling irrigation of parallel-moving type large size variable
Machine solves the problem of that the control precision of PWM variable sprinkling irrigation caused by communication quality reduces in wireless communication control reduces.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is the communication connection schematic diagram of a preferred embodiment of the present invention；
Fig. 2 is the setting position schematic diagram of a preferred embodiment of the present invention.
Specific embodiment
2 preferred embodiments of the invention are introduced below with reference to Figure of description, keep its technology contents more clear and just
In understanding.The present invention can be emerged from by many various forms of embodiments, and protection scope of the present invention not only limits
The embodiment that Yu Wenzhong is mentioned.
Embodiment 1
Fig. 1 be a kind of one of communication system for the control of large-scale variable irrigation sprinkler classification fire wall proposed by the present invention compared with
The control connection schematic diagram of good embodiment.As shown in Figure 1, in the present embodiment include master controller 1, main Wireless Data Transmission Terminal 3, from
Wireless Data Transmission Terminal 4, RS485 repeater 5 and wired RS485 bus.It wherein, can be multiple with carry in wired RS485 bus
Tower wagon controller has only marked two of them, respectively tower wagon controller 21 and tower wagon controller 22. in Fig. 1
Wherein, the wireline interface of main Wireless Data Transmission Terminal 3 is RS232 or RS485 form, and main Wireless Data Transmission Terminal 3 passes through
The mode of wire communication connection, being connected to corresponding on master controller 1 is RS232 or RS485 mouthfuls.
It is RS485 from the communication interface of the wireline interface of Wireless Data Transmission Terminal 4, tower wagon controller 21, tower wagon controller 22.
From the wireline interface of Wireless Data Transmission Terminal 4 and the direct line of input terminal of RS485 repeater 5.RS485 repeater 5
Delivery outlet connect to form RS485 universal serial bus with tower wagon controller 21, tower wagon controller 22.RS485 repeater 5 is RS485 string
First website of row bus.
Main Wireless Data Transmission Terminal 3 and from being established between Wireless Data Transmission Terminal 4 through one-to-one wireless point-to-point transparent transmission.
In the present embodiment, wired string is used between each tower wagon controller (such as tower wagon controller 21, tower wagon controller 22)
The communication mode of row bus RS485, and RS485 repeater 5 is used to carry out power amplification to meet the total of large-scale variable irrigation sprinkler
Span and across number.The present embodiment is accessed master controller 1 in RS485 using the point-to-point wireless transparent transmission of a pair of of Wireless Data Transmission Terminal
After device 5.Between master controller 1 and each tower wagon controller (such as tower wagon controller 21, tower wagon controller 22) in formation one wirelessly
After wired RS485 bus, using the communication protocol based on RS485, such as MODBUS.
Embodiment 2
As shown in Fig. 2, including 3 tower wagon controllers 21,22,23 in the present embodiment.It is filled in Fig. 2 for the control of the present embodiment
The position view set.On large-scale PWM variable irrigation sprinkler, water inlet pipe 71 is fixed on bracket to be connected with water main 72.In
In the course of work, 3 frame tower wagons 81,82,83 drive water main 72, rotate around bracket main shaft 6.Under such operating mode,
If using whole wired communication mode between master controller 1 and tower wagon controller 21,22,23, along water inlet pipe 71 and main water
The communication line that pipe 72 is arranged needs after rotary main shaft coiling, pitch of the laps number increase, is easy to cause broken string, and communication line
Road and low-voltage control line are not appropriate for solving the problems, such as this by the way of adding slip ring, therefore whole wire communication is in the present embodiment
In be not achievable.But if wirelessly communicated using whole, when tower wagon quantity and span length's increase, the quality of wireless communication
Decline leads to fall frame, viscous frame, influences tower wagon control precision.
The master controller 1 of the present embodiment is set on bracket, with the main Wireless Data Transmission Terminal being similarly disposed on bracket
(being not shown on figure) is connected by wire communication.Tower wagon controller 21,22,23 is arranged along water main 72, each tower wagon controller
Between by wired serial bus mode, connect with wire communication repeater.Wire communication repeater with from Wireless Data Transmission Terminal
It is arranged along water main 72.Main Wireless Data Transmission Terminal and between Wireless Data Transmission Terminal, using it is short-range it is point-to-point it is wireless thoroughly
Pass communication mode connection signal.In the present embodiment, RS232 connection is used between master controller 1 and main Wireless Data Transmission Terminal, from nothing
RS485 is all made of between line number transmission terminal and wire communication repeater, between wire communication repeater and each tower wagon controller
Communication connection, it is whole to use MODBUS communication protocol.The present embodiment communication plan wired using line relay, both can solve back
Whole radio communication system can not can solve using the control program of whole wire communication in rotatable large size variable irrigation sprinkler
When, signal quality decline leads to the problem for controlling precision deficiency.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that the ordinary skill of this field is without wound
The property made labour, which according to the present invention can conceive, makes many modifications and variations.Therefore, all technician in the art
Pass through the available technology of logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Scheme, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of communication system for the control of large-scale variable irrigation sprinkler classification fire wall, including master controller, main wireless data sending are whole
End, from Wireless Data Transmission Terminal, wired communication bus, wire communication repeater and tower wagon controller, which is characterized in that it is described
Between master controller and the main Wireless Data Transmission Terminal using wired communication mode connect, it is described from Wireless Data Transmission Terminal with it is described
It is connected between wire communication repeater using wired communication mode, the wire communication repeater passes through with the tower wagon controller
Wired serial bus mode connection, the main Wireless Data Transmission Terminal and it is described between Wireless Data Transmission Terminal use side wireless communication
Formula connection.
2. the communication system as described in claim 1 for large-scale variable irrigation sprinkler classification fire wall control, which is characterized in that institute
Stating communication is point-to-point wireless transparent transmission communication mode.
3. the communication system as claimed in claim 2 for large-scale variable irrigation sprinkler classification fire wall control, which is characterized in that institute
The quantity of tower wagon controller is stated as one or more.
4. the communication system as claimed in claim 3 for large-scale variable irrigation sprinkler classification fire wall control, which is characterized in that institute
State the wired communication mode used between Wireless Data Transmission Terminal and the wire communication repeater, specially RS232 communication party
Formula.
5. the communication system as claimed in claim 3 for large-scale variable irrigation sprinkler classification fire wall control, which is characterized in that institute
State the wired communication mode used between master controller and the main Wireless Data Transmission Terminal, specially RS485 communication mode.
6. the communication system as claimed in claim 5 for large-scale variable irrigation sprinkler classification fire wall control, which is characterized in that institute
Stating wired communication bus is specially RS485 communication bus.
7. the communication system as claimed in claim 6 for large-scale variable irrigation sprinkler classification fire wall control, which is characterized in that institute
State wire communication repeater, specially RS485 repeater.
8. the communication system as claimed in claim 7 for large-scale variable irrigation sprinkler classification fire wall control, which is characterized in that institute
The dead axle side that master controller is located at large-scale variable irrigation sprinkler is stated, the tower wagon controller is located at the rotation of large-scale variable irrigation sprinkler
Side.
9. the communication system as claimed in claim 8 for large-scale variable irrigation sprinkler classification fire wall control, which is characterized in that institute
It states RS485 repeater and plays the role of signal power amplification.
10. the communication system as claimed in claim 9 for large-scale variable irrigation sprinkler classification fire wall control, which is characterized in that
MODBUS communication protocol is used between the master controller and the tower wagon controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910707519.6A CN110463573B (en) | 2019-08-01 | 2019-08-01 | Communication system for hierarchical distribution control of large-scale variable-rate sprinkler |
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|---|---|---|---|
| CN201910707519.6A CN110463573B (en) | 2019-08-01 | 2019-08-01 | Communication system for hierarchical distribution control of large-scale variable-rate sprinkler |
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| CN110463573A true CN110463573A (en) | 2019-11-19 |
| CN110463573B CN110463573B (en) | 2021-08-06 |
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| CN110463573B (en) | 2021-08-06 |
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