CN107067558A - Distributed agriculture row takes control system - Google Patents
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- CN107067558A CN107067558A CN201710151226.5A CN201710151226A CN107067558A CN 107067558 A CN107067558 A CN 107067558A CN 201710151226 A CN201710151226 A CN 201710151226A CN 107067558 A CN107067558 A CN 107067558A
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
- G07F15/003—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity for electricity
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- G—PHYSICS
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- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
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- G—PHYSICS
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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Abstract
The present invention relates to distributed agriculture, row takes control system, agriculture row is taken control terminal and communicated to connect with each distributed devices, distributed devices include the POS, electric energy meter and external on-load switch, electric energy meter is used for the information about power for gathering correspondence water pump, external on-load switch is used for the supply line that string is located at correspondence water pump, agriculture row takes the POS and electric energy meter in each distributed devices of control terminal connection, the corresponding external on-load switch of electric energy meter control connection.The system uses modular structure, and each part is independent device, compared to traditional ammeter that all functions are integrated in one piece, reduces influence of other functions to the function of measuring degree of accuracy.It is more reasonable that agriculture row takes control systemic-function framework, realize data distribution formula collection and focus on, on give, the risk that user gets an electric shock is greatly reduced by strong and weak electric isolution simultaneously, agriculture row's expense control terminal is that the type collector Function Extension version of state's net I and current electricity consumption acquisition system main website can realize slitless connection.
Description
Technical field
The present invention relates to distributed agriculture, row takes control system, belongs to agriculture drainage technique field.
Background technology
Farmland motor-pumped well irrigate as in China, a kind of maximally effective drought-resistant moisture-preserving in major grain producing area such as western and the north arranges
Apply, country puts into effect multinomial policy support and ensures agriculture row's engineering construction for years.Agriculture row is a kind of field irrigation facility, typically
It is made up of facilities such as motor-pumped well, water pump, supply line, transformers.Current agriculture row take control system be mainly by Multifunctional three-phase table Lai
Complete, carry out the well of a table one, single ammeter realizes the functions such as metering, charging, clearing, and most ammeters are made without telecommunication capabilities
The collection for arranging table power information into agriculture is needed manually on the spot by table copy reading, adds the ageing of human cost and data clearing.
Also, the agriculture row expense control terminal that we develop before is electric for the intelligence of collection metering, charging, a variety of functions such as swipe the card
Table, first, ammeter are mains-supplied, and the user that swipes the card has potential electric shock risk, and domestic relevant report is also of common occurrence；Its
It is secondary, the various development trend for not meeting current metering equipment of ammeter function；Again, bad coupling that can be mutual is handled between multi-functional
Close, it is possible to function of measuring can be involved, or even economic dispute can be caused.
The content of the invention
Take control system it is an object of the invention to provide a kind of distributed agriculture row, the expense control system to solve current is not met
The problem of development trend.The present invention also provides another distributed agriculture row expense control system.
To achieve the above object, the solution of the present invention includes a kind of distributed agriculture row and takes control system, including agriculture row takes control eventually
End and at least two distributed devices, the agriculture row are taken control terminal and communicated to connect with each distributed devices, the distributed devices
Including the POS, electric energy meter and external on-load switch, electric energy meter is used for the information about power for gathering correspondence water pump, external on-load switch
The supply line of correspondence water pump is located at for going here and there, the agriculture row takes the POS and electricity in each distributed devices of control terminal connection
The corresponding external on-load switch of electric energy meter control connection in energy table, each distributed devices.
The distributed agriculture row expense control system also include with distributed devices it is one-to-one, for changing communication mode
Channel converter, the agriculture row is taken control terminal and communicated to connect by each channel converter with corresponding distributed devices.
There are an electric energy conversion module for being used to convert alternating current to direct current, the electric energy in the channel converter
The corresponding POS of modular converter output power supply connection.
Electric energy meter and external on-load switch in each distributed devices is integrally disposed.
The agriculture row takes control terminal in casing at platform area distribution transformer, the electric energy meter and external on-load switch
In corresponding motor-pumped well electricity distributing and metering casing, the POS is arranged on the outer lines of corresponding motor-pumped well electricity distributing and metering casing
On bar.
A kind of distributed agriculture row takes control system, including agriculture row takes control terminal and at least two distributed devices, the agriculture row
Take control terminal to communicate to connect with each distributed devices, the distributed devices include the POS and electric energy meter, electric energy meter is used to adopt
The information about power of collection correspondence water pump, the agriculture row takes the POS and electric energy meter in each distributed devices of control terminal connection, each point
Electric energy meter in cloth device, which has, to be used to control to connect the external on-load switch that string is located in the supply line of correspondence water pump
Corresponding port.
The distributed agriculture row expense control system also include with distributed devices it is one-to-one, for changing communication mode
Channel converter, the agriculture row is taken control terminal and communicated to connect by each channel converter with corresponding distributed devices.
There are an electric energy conversion module for being used to convert alternating current to direct current, the electric energy in the channel converter
The corresponding POS of modular converter output power supply connection.
The agriculture row takes control terminal in casing at platform area distribution transformer, the electric energy meter and external on-load switch
In corresponding motor-pumped well electricity distributing and metering casing, the POS is arranged on the outer lines of corresponding motor-pumped well electricity distributing and metering casing
On bar.
First, in distributed agriculture row's expense control system that the present invention is provided, an agriculture row takes control terminal and at least two distributions
Formula device is communicated to connect, and agriculture row's expense control terminal can be controlled to multiple distributed devices simultaneously, realize data point
Cloth is gathered and information unification processing, moreover, taking control system compared to Traditional Agricultural row, reduces the input cost of system, and then
Reduce system maintenance difficulty；And agriculture row expense control terminal carries out unified collection to continuous data and is uniformly processed, be conducive to be
System is safeguarded, is easy to the centralized management of data.The system uses modular structure, and each part is independent device, than
Such as：The POS, electric energy meter and external on-load switch are independent equipment, are easy to the maintenance and replacing of system, while peeling off
Non-metering function, reduces influence of other functions to function of measuring, and effectively reduction causes economic dispute due to measuring, in addition,
Metering is separated with billing function, meets the development trend of current metering equipment.The part that the system contacts user all makes
Powered with less than human safety voltage, substantially reduce the risk of user's electric shock, agriculture row's expense control terminal is in the current type collection of state's net I
The extended edition of middle device function, can be with slitless connection with current use extraction system.Therefore, the system is particularly suitable for use in rural area.
Brief description of the drawings
Fig. 1 is distributed agriculture row expense control system control principle schematic diagram；
Fig. 2 is the high-level schematic functional block diagram of agriculture row's expense control terminal；
Fig. 3 is the high-level schematic functional block diagram of the POS；
Fig. 4 is the high-level schematic functional block diagram of channel converter；
Fig. 5 is MacminBE adaptive algorithm software flow schematic diagrames；
Fig. 6 is CSMA/CA algorithm improvement software flow schematic diagrames.
Embodiment
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Distributed agriculture row takes control system embodiment 1
As shown in figure 1, the distributed agriculture row that the present embodiment is provided, which takes control system, includes agriculture row's expense control terminal and at least two
Distributed devices, agriculture row is taken control terminal and communicated to connect with each distributed devices, and distributed devices include the POS, electric energy meter and born
Lotus switch etc..Because under normal circumstances, the motor in agriculture row water pump used is three phase alternating current motor, so, electric energy meter is three-phase
Electric energy meter.For a motor-pumped well, three-phase alternating current by supply line power connect the motor-pumped well in water pump, in supply lines
On road string provided with three-phase electric energy meter and on-load switch (because the on-load switch is external, so, the on-load switch is referred to as external
On-load switch), the three-phase electric energy meter is used for the information about power for detecting water pump.Wherein, distributed devices are one and are easy to explanation
And the general designation defined, the structure of system in itself is not limited.
Agriculture row takes control terminal and passes through the POS and electric energy meter in each distributed devices of corresponding communication interface connection, each point
The corresponding external on-load switch of electric energy meter control connection in cloth device, i.e. electric energy meter can receive agriculture row's expense control terminal and send
Control instruction to be controlled to corresponding external on-load switch.In addition, in order to realize intelligent management, external on-load switch
It can be set with three-phase electric energy meter with integrated, be integrated into an intelligent electric energy meter, therefore, the intelligent electric energy meter has metering simultaneously
With the function of switch.
Agriculture row's expense control terminal is the nucleus equipment of distributed agriculture row expense control system, up to connect with power information collection main website
Connect, it is descending to be connected with intelligent electric energy meter and the POS, with electricity consumption data collection, take the functions such as keyholed back plate reason.Communication function：It is up
With master station communication, completion takes control terminal and interacted with master information, and power information is gathered into system by teletransmission to power information
Unite backstage main website；It is descending to be communicated with the POS and intelligent electric energy meter, complete to take the information exchange of control terminal and downstream plant.
In the present embodiment, agriculture row's expense control terminal is a kind of type concentrator of follow-on state's net I, adds corresponding expense of swiping the card
Control function.As shown in Fig. 2 the present embodiment provides a kind of high-level schematic functional block diagram of agriculture row's expense control terminal, certainly, the present invention is not
It is confined to the embodiment.Agriculture row's expense control terminal has following functions：Card information processing function：Take control terminal and obtain user card punching
After information, the functions such as encryption and decryption, analysis, processing can be carried out to card information；Take control function：Charge calculation, break-make can be realized
Electric control etc. takes control function；Acquisition function：Expense control terminal has the repertoire of the concentrator in addition to handing over and adopting, including：Electricity consumption
Data acquisition, file administration function, parameter setting and query function, data management and store function, event recording function etc..
The POS is the external human-computer interaction device of agriculture row's expense control terminal, can provide the user swipe the card deduct fees, voice is broadcast
The functions such as report, amount of money inquiry.The POS is obtained after user's card information, and user's card information is sent into agriculture row's expense control terminal, terminal
User's card information is analyzed and handled, and result is sent to the POS, writing operation is completed by the POS.As schemed
Shown in 3, a kind of schematic diagram of the functional module of the POS is provided, the POS is shown by radio frequency card module, key circuit, LCD/LED
Show, the composition such as power circuit, communication module, voice module.Wherein radio frequency card module completes RF Signal operation；Button,
LCD/LED is shown, voice and indicator light circuit finishing man-machine interaction are operated；Communication module completes the POS and takes control terminal with agriculture row
Data communication function.
In order to realize agriculture row expense control terminal and the efficient communication of each distributed devices, the distributed agriculture row is taken in control system also
Channel converter is provided with, for changing communication mode, communication mode is converted into required mode.Also, channel converter
Corresponded with distributed devices.In the present embodiment, channel converter be one kind by bandwidth carrier, micropower is wireless, CAN leads to
Letter etc. communication mode be converted to RS485 communication conversion equipment, by agriculture arrange take control terminal communication port be converted to the POS and
RS485 passages needed for intelligent electric energy meter, realize the data communication of agriculture row expense control terminal and the POS and intelligent electric energy meter.As schemed
Shown in 1, for one of channel converter, two-way RS_485 buses are exported, wherein communicated all the way with intelligent electric energy meter, it is another
Road communicates with the POS.Agriculture row takes the communication module that control terminal embeds CAN or power line carrier, by channel converter
CAN, bandwidth carrier, micro power radio module etc. turn RS485 modules realize it is real between intelligent electric energy meter and the POS
Shi Tongxin, completes metrical information automatic data collection and the management of power use of swiping the card.The ability to work for taking control terminal is arranged in view of agriculture, it is set
Maximum can support the data acquisition of 16 pieces of intelligent electric energy meters, i.e., agriculture row take control terminal at most with 16 distributed devices communication links
Connect.Fig. 4 is the functional module simple diagram of channel converter.
Also, electric energy conversion module is provided with channel converter, using 220V AC-powereds, then, further,
In order to prevent during user card punching electricity consumption the risk that can be got an electric shock caused by non-security voltage, electric energy conversion module can also be by
220V alternating currents are converted into 12V direct current, and one can also be drawn from the electric energy conversion module in channel converter
Direct current 12V supply lines, are that the POS is powered, and realize being effectively isolated for the POS and forceful electric power, it is ensured that user uses safety.
In mounting arrangements, agriculture row's expense control terminal may be mounted at platform area distribution transformer in casing, at each motor-pumped well
A motor-pumped well electricity distributing and metering case is provided with, channel converter, electric energy meter and external on-load switch are mounted in well head batch meter,
For the ease of swiping the card, the POS can be placed on user card punching conveniently position, such as installed in line bar outside batch meter
On, apart from 1.4 meters or so of ground, it is possible to achieve directly swiped the card electricity consumption, better user experience in well head.
In addition, when the communication mode that agriculture row takes between control terminal and passage dress parallel operation is that micropower is wireless, then, many
The POS is likely to result in data transmission conflict when swiping the card simultaneously, to improve the success rate of data transfer,
On the basis of IEEE802.15.4CSMA/CA algorithms, it is contemplated that the quantity and information transmission times of the POS are to MacminBE's
Influence, has formulated the adaptive weighted algorithms of MacminBE, specific as follows：
In formula, quantity of the N as the current POS is set；NiFor the number of preceding i communication node；Num1 is empirical value value
For 5；NAveSwiped the card during for first Num1 times communication the weighted value of equipment number of nodes；αiFor nodes weight coefficient.
In formula, NBAveKeep out of the way number of times weighted value, β for first Num2 times communicationiKeep out of the way number of times weight coefficient, NB for communicationiTo be preceding
Number of times is kept out of the way in i communication.
So, as N ＞ NAveWith NB ＞ NBAveWhen meeting simultaneously, MacminBE numerical value is added 1, i.e.,
MacminBE=MacminBE+1；
As N ＜ NAveWith NB ＜ NBAveWhen meeting simultaneously, MacminBE numerical value is subtracted 1, i.e.,
MacminBE=MacminBE-1.
Other MacminBE keep constant, the adaptive weighted algorithm software flow charts of MacminBE as shown in figure 5,
After CSMA/CA algorithms increase MacminBE adaptive algorithms, software flow pattern is as shown in Figure 6.
Equipment is swiped the card when many while when swiping the card, agriculture row's expense control terminal is employed to be changed based on adaptive dynamic CSMA/CA
Enter algorithm, improve communication qualification rate.
In addition, agriculture row's expense control terminal can store POS archive information and electric energy meter archive information, electric energy meter archives can
Start automatic table of searching by timing (or immediately) to instruct, update each archives for taking the affiliated electric energy meter of control terminal.Agriculture row takes control
Terminal and the POS equally drag many patterns using one, but for user convenience, it is each using real time polling that agriculture row takes control terminal
The method of the access state of the individual POS, constantly updates the archives of each POS, realizes the access way of POS plug and play.
Distributed agriculture row takes control system embodiment 2
Without specially setting external on-load switch in distributed agriculture row's expense control system in the present embodiment, circuit Central Plains is utilized
The on-load switch originally having, then, the distributed agriculture row in the present embodiment, which is taken, does not just include on-load switch in control system, and
Other components in the system are still identical with above-described embodiment 1, because the other components in the system have existed
It is made that and describes in detail in above-described embodiment 1, just no longer illustrates here.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.The base of the present invention
This thinking is above-mentioned basic scheme, for those of ordinary skill in the art, according to the teachings of the present invention, designs various changes
The model of shape, formula, parameter simultaneously need not spend creative work.It is right without departing from the principles and spirit of the present invention
The change, modification, replacement and modification that embodiment is carried out are still fallen within protection scope of the present invention.
Claims (9)
1. a kind of distributed agriculture row takes control system, it is characterised in that including agriculture, row takes control terminal and at least two distributed devices,
The agriculture row take control terminal and communicated to connect with each distributed devices, and the distributed devices include the POS, electric energy meter and external
On-load switch, electric energy meter is used for the information about power for gathering correspondence water pump, and external on-load switch is used for the confession that string is located at correspondence water pump
In electric line, the agriculture row is taken in the POS and electric energy meter in each distributed devices of control terminal connection, each distributed devices
The corresponding external on-load switch of electric energy meter control connection.
2. distributed agriculture row according to claim 1 takes control system, it is characterised in that the distributed agriculture row takes control system
Also include and distributed devices are one-to-one, the channel converter for changing communication mode, it is logical that the agriculture row take control terminal
Each channel converter is crossed to communicate to connect with corresponding distributed devices.
3. distributed agriculture row according to claim 2 takes control system, it is characterised in that have one in the channel converter
Electric energy conversion module for converting alternating current to direct current, the electric energy conversion module output power supply connection is corresponding to swipe the card
Machine.
4. distributed agriculture row according to claim 1 takes control system, it is characterised in that the electric energy meter in each distributed devices
It is integrally disposed with external on-load switch.
5. distributed agriculture row according to claim 1 takes control system, it is characterised in that the agriculture row expense control terminal is arranged on
At platform area distribution transformer in casing, the electric energy meter and external on-load switch are arranged on corresponding motor-pumped well electricity distributing and metering casing
Interior, the POS is arranged in the outside line bar of corresponding motor-pumped well electricity distributing and metering casing.
6. a kind of distributed agriculture row takes control system, it is characterised in that including agriculture, row takes control terminal and at least two distributed devices,
The agriculture row is taken control terminal and communicated to connect with each distributed devices, and the distributed devices include the POS and electric energy meter, electric energy
Table is used for the information about power for gathering correspondence water pump, and the agriculture row takes the POS and electric energy in each distributed devices of control terminal connection
Electric energy meter in table, each distributed devices, which has, to be used to control connection string to be located at the external load in the supply line of correspondence water pump
The corresponding port of switch.
7. distributed agriculture row according to claim 6 takes control system, it is characterised in that the distributed agriculture row takes control system
Also include and distributed devices are one-to-one, the channel converter for changing communication mode, it is logical that the agriculture row take control terminal
Each channel converter is crossed to communicate to connect with corresponding distributed devices.
8. distributed agriculture row according to claim 7 takes control system, it is characterised in that have one in the channel converter
Electric energy conversion module for converting alternating current to direct current, the electric energy conversion module output power supply connection is corresponding to swipe the card
Machine.
9. distributed agriculture row according to claim 6 takes control system, it is characterised in that the agriculture row expense control terminal is arranged on
At platform area distribution transformer in casing, the electric energy meter and external on-load switch are arranged on corresponding motor-pumped well electricity distributing and metering casing
Interior, the POS is arranged in the outside line bar of corresponding motor-pumped well electricity distributing and metering casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151226.5A CN107067558B (en) | 2017-03-14 | 2017-03-14 | Distributed agricultural discharge control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710151226.5A CN107067558B (en) | 2017-03-14 | 2017-03-14 | Distributed agricultural discharge control system |
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| Publication Number | Publication Date |
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| CN107067558A true CN107067558A (en) | 2017-08-18 |
| CN107067558B CN107067558B (en) | 2020-04-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112798840A (en) * | 2021-02-05 | 2021-05-14 | 国网河南省电力公司濮阳供电公司 | Power supply monitoring system suitable for rural motor-pumped well communication small electric quantity transformer area and working method |
| CN113793026A (en) * | 2021-09-14 | 2021-12-14 | 国网新疆电力有限公司哈密供电公司 | Novel wisdom sharing can management device based on edge calculation |
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| CN107067558B (en) | 2020-04-17 |
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