CN103472808A - Ecological intelligent agricultural system and switching value control device thereof - Google Patents

Ecological intelligent agricultural system and switching value control device thereof Download PDF

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Publication number
CN103472808A
CN103472808A CN2013104384063A CN201310438406A CN103472808A CN 103472808 A CN103472808 A CN 103472808A CN 2013104384063 A CN2013104384063 A CN 2013104384063A CN 201310438406 A CN201310438406 A CN 201310438406A CN 103472808 A CN103472808 A CN 103472808A
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control
switching value
value control
voltage detecting
connects
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CN103472808B (en
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刘立峰
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HENAN BF ELECTRONICS CO Ltd
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HENAN BF ELECTRONICS CO Ltd
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Abstract

The invention relates to an ecological intelligent agricultural system and a switching value control device of the ecological intelligent agricultural system. The ecological intelligent agricultural system comprises a remote monitor computer and at least one environment controller, the environment controller is connected with at least two control terminals arranged in a distributed mode through a CAN bus, each control terminal is used for being connected with a corresponding environment sensor and actuating equipment, each control terminal is composed of a data collecting device and a switching value control device, the data collecting devices are used for being in sampling connection with the corresponding environment sensors, the switching value control devices are used for controlling and being connected with the corresponding actuating equipment, each switching value control device is further provided with a monitor unit used for detecting the operation condition of the corresponding actuating equipment, each monitor unit comprises a current detection interface and a voltage detection interface, and the current detection interfaces and the voltage detection interfaces are used for being connected into the corresponding actuating equipment. The ecological intelligent agricultural system and the switching value control device can solve the problem that an early warning system in the prior art is incomplete.

Description

Ecological reading intelligent agriculture system and switching value control device thereof
Technical field
The present invention relates to ecological reading intelligent agriculture system and data collector thereof, switching value control device.
Background technology
In recent years, along with the fast development of technology of Internet of things, the application of Internet of Things was very extensive.The ecological reading intelligent agriculture system of existing ecology consists of server (generally adopting the remote monitoring computing machine) and control terminal, control terminal is laid in respectively the diverse location of agricultural facility, be respectively used to gather the environmental information (coming into force by connecting various environmental sensors) of correspondence position, and control the actuating equipment of correspondence position, as fan, irrigation equipment, wet curtain etc.According to the sample information of control terminal, the control actuating unit is processed and exported to these information, to the processing of information, can be completed by server, also can be completed by control terminal itself.
At present, the application of Internet of Things has related to agriculture aspect, and the policy of country is also being helped, and the reading intelligent agriculture sci-tech product that still country helps energetically and advocates is difficult to large scale application after developing unexpectedly.Its reason is many-sided, known through investigating on the spot, and wherein topmost reason is the following deficiency of product existence of prior art research and development:
Complicated operation.Ecological reading intelligent agriculture system is a kind of high-tech product, but the object that uses this series products lower peasant of scientific and technological level often.Although China peasant's knowledge educational level is more and more higher, most of peasant is still very strange to up-to-date technology of Internet of things.Product designer has often been ignored this point, requires user's energy skilled operation computer, also will learn the guidance panel complexity and strange controller.Concerning the peasant of a line, operation just seems very complicated, so the peasant is unwilling to use, and maloperation in use also easily occurs, thereby has limited the popularization of product and technology.Peasant's productive life custom is difficult to correct in a short time, therefore, address this problem and will obtain product design more rationally, uses more conveniently, operates simpler.If the operative intelligence agricultural products is convenient just as the water wring tap, believe that the problem of this respect has not just existed.
Cost is high.Reading intelligent agriculture equipment is the high-tech electronic product, and cost is higher.The high factor of cost except material and production cost, most importantly design cost and operation cost.And one of high reason of design cost is to lack unified standard.The demand of said function, in different producers, to different users, all can have different products, and accessory is all incompatible.Such as, the product on green house of vegetables, crawl and pig farm is all different, can not be general.Owing to lacking unified standard, cause repeating the research and development design, cost increases naturally.As the peasant, if drop into too much, they would rather select traditional plantation and breeding way.Cost factor is to affect its large-area major reason of applying.
Poor reliability.Agriculture production environment and laboratory environment often difference are very large.Such as, agricultural greenhouse is often moister, and a lot of circuit boards easily are out of order under the environment of this humidity.A lot of equipment is that the initial stage function is installed is normal, but, after the time grown, failure rate is more and more higher, even all paralysis.The reliability deficiency, the user is beyond affordability.
Native system, by the appropriate design of structure and software and hardware, can effectively overcome the above problems, and product is had workable, and the advantage of low cost and high reliability, be convenient to large scale application.
Summary of the invention
The purpose of this invention is to provide ecological reading intelligent agriculture system, to solve, existing system complicated operation, cost are high, the problem of poor reliability.In addition, the present invention also provides a kind of control device of the switching value for above-mentioned ecological reading intelligent agriculture system.
For achieving the above object, the solution of the present invention comprises:
Ecological reading intelligent agriculture system, comprise remote monitoring computing machine and at least one environmental control, each environmental control connects the control terminal of at least two distributed arrangement by the CAN bus, each control terminal is for connecting corresponding environmental sensor and actuating equipment, described control terminal consists of a data harvester and a switching value control device, data collector connects corresponding environmental sensor for sampling, described switching value control device is for actuating equipment corresponding to control linkage, described switching value control device also is provided with the monitoring means for detection of corresponding actuating equipment operation conditions, this monitoring means comprises a current detecting interface and a voltage detecting interface, described current monitoring interface is used for accessing corresponding actuating equipment with the voltage detecting interface.
Described monitoring means comprises a current detection circuit and a voltage detecting circuit, this current detection circuit comprises current transformer, rectification circuit and a switching tube, this current transformer adopts the punching structure, its Primary Conductor perforation forms described voltage detecting interface, the secondary side of this current transformer triggers to drive by described rectification circuit and connects described switching tube, and the output terminal of this switching tube connects the controller of described switching value control device.
Described voltage detecting circuit comprises an optocoupler, and the former limit of this optocoupler connects described voltage detecting interface, and secondary connects the controller of described switching value control device.
Described environmental control is provided with for the wireless communication interface with the remote monitoring compunication.
The switching value control device, described switching value control device is for actuating equipment corresponding to control linkage, described switching value control device also is provided with the monitoring means for detection of corresponding actuating equipment operation conditions, this monitoring means comprises a current detecting interface and a voltage detecting interface, and described current monitoring interface is used for accessing corresponding actuating equipment with the voltage detecting interface.
Described monitoring means comprises a current detection circuit and a voltage detecting circuit, this current detection circuit comprises current transformer, rectification circuit and a switching tube, this current transformer adopts the punching structure, its Primary Conductor perforation forms described voltage detecting interface, the secondary side of this current transformer triggers to drive by described rectification circuit and connects described switching tube, and the output terminal of this switching tube connects the controller of described switching value control device.
Described voltage detecting circuit comprises an optocoupler, and the former limit of this optocoupler connects described voltage detecting interface, and secondary connects the controller of described switching value control device.
Ecological reading intelligent agriculture system of the present invention, function differentiation by server in prior art and control terminal, complete simple function by different devices respectively, data acquisition function---data collector, the control of actuating equipment---switching value control device, information processing and transmission---environmental control, an environmental control can pass through a plurality of data collectors of CAN network management and switching value control device.Be designed with like this complexity and the cost that help reduce control terminal, also be convenient to safeguard and change, control performance is better.Be equipped with a monitoring means on the switching value control device, electric current and information of voltage for detection of corresponding actuating equipment, when mounted, only the current detecting interface of monitoring means, voltage detecting interface need to be connected in the circuit of corresponding actuating equipment, just can detect voltage, the electric current of actuating equipment circuit, just can judge whether actuating equipment has fault to occur, thereby realize the monitoring to actuating equipment, to reach the raising reliability, improve early warning, thereby make managerial personnel grasp in time feedback information.
Further, environmental control is provided with wireless communication interface, for the remote monitoring computer communication, transmit various information to the remote monitoring computing machine, the remote monitoring computing machine is mainly used in data management, does not generally participate in the direct control of field apparatus.Contribute to like this to improve the automaticity of system, reduce human intervention, be convenient to promote the use of.
The accompanying drawing explanation
Fig. 1 is ecological reading intelligent agriculture system chart of the present invention;
Fig. 2 is the software flow pattern of environmental control;
Fig. 3 is current detecting interface circuit figure;
Fig. 4 is voltage detecting interface circuit figure.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Be illustrated in figure 1 the application of ecological reading intelligent agriculture system at intelligent greenhouse, ecological reading intelligent agriculture system, comprise remote monitoring computing machine (Surveillance center in Fig. 1) and at least one environmental control, environmental control connects the control terminal of at least two distributed arrangement by the CAN bus, each control terminal is for connecting corresponding environmental sensor and actuating equipment, control terminal consists of a data harvester (data acquisition module in Fig. 1) and a switching value control device (the switching value control module in Fig. 1), data collector connects corresponding environmental sensor for sampling, the switching value control device is for actuating equipment corresponding to control linkage.Environmental sensor comprises CO 2sensor, temperature sensor, humidity sensor, PH sensor, liquid level sensor and optical sensor etc., actuating equipment comprises blower fan, wet curtain, irrigation system etc.
Switching value control device, data collector, environmental control are realized the function of existing control terminal, from hardware configuration, be only to have adopted respectively controller separately (microprocessor), those skilled in the art easily replace according to the actual requirements and improve, and do not repeat them here.
Each environmental sensor and the certain zone of the CAN network coverage thereof, the remote monitoring computing machine is in charge of a plurality of such zones, forms an intelligent greenhouse system.
The present invention possesses monitoring function, by the switching value control device, realized: the switching value control device is provided with the monitoring means for detection of corresponding actuating equipment operation conditions, this monitoring means comprises a current detecting interface and a voltage detecting interface, and the current monitoring interface is used for accessing corresponding actuating equipment with the voltage detecting interface.
As Fig. 3,4 has provided a kind of concrete implementing circuit: monitoring means comprises a current detection circuit and a voltage detecting circuit, this current detection circuit comprises current transformer, rectification circuit and a switching tube, this current transformer adopts the punching structure to form described voltage detecting interface, make the Primary Conductor perforation of the power line of detected actuating equipment through this current transformer, the secondary side of this current transformer triggers and drives connecting valve pipe, the controller of the output terminal connecting valve amount control device of this switching tube by rectification circuit.Rectification circuit is diode rectifier circuit, and switching tube is triode, and induction current produces voltage at resistance R 1 two ends, after electric capacity, is added in after filtering on the base stage of triode, and transistor collector output is connected to the controller of switching value control device.The change in voltage of transistor collector output, embodied the current conditions of the actuating equipment power line that current transformer detects.Voltage detecting circuit comprises an optocoupler, and the former limit of this optocoupler connects voltage detecting interface, the controller of secondary connecting valve amount control device.
Environmental control is provided with for the wireless communication interface with the remote monitoring compunication, for communicating by letter with remote monitoring computing machine (literary composition is also write and done server), is convenient to telemanagement.The environmental control control flow as shown in Figure 2.
Control terminal is mainly realized the environmental data Real-time Collection, is processed and demonstration, and, to the adjusting of environment, by wireless communication system, the environmental parameter detected is transferred to server, and accepts the control of server and produce control decision.Environmental control is controlled topworks and is carried out the environment adjusting, has the offline operation function, can in the situation that the server shutdown work alone.The user can preset the environmental parameter thresholding by server, by control terminal autonomous operation decision-making process, realizes that environment controls automatically.Environmental control is connected with the switching value control module with data acquisition module by RS485.In order to guarantee the stability of its communication, prevent false triggering, application modbus communication protocol on software.
The software management capability of remote monitoring computer system mainly comprises historical data management, editing equipment management center, historical summary analysis etc.Adopt environmental monitoring and the supervisory routine of visual programming language design friendly interface, realize remote monitoring and bookkeeping.The user can check any terminal environments state and running situation easily by server computer.If there is fault, server sends prompting and warning message, so that on-call maintenance.Once control strategy is definite, automatic control function is just by the control terminal realization, and server is no longer intervened, unless the user revises or forces, intervenes.Server capability can further expand, and with internet or the GSM network interconnection, can realize " gsm wireless SMS alarm ", " warning message in greenhouse " can be dealt into rapidly on related personnel's " mobile phone or PDA " mode with note to the request manual intervention.By connecting broadband internet, can realize internet telnet access function, facilitate the strange land monitoring.
It is the Zigbee interface that environmental control is provided with for the wireless communication interface with the remote monitoring compunication, ZIGBEE is in the process of wireless transmission, can realize automatically MANET, multi-hop, the function of identification nearby, when the single route at scene goes wrong, other routes can be found other circuit automatically, can not delay the operation of system.The territorial scope that the agricultural Internet of Things relates to is often boundless, and wired power supply mode difficulty is larger.The communication module power supply generally needs to adopt the powered battery mode, so low power dissipation design is extremely important.
Native system is by brand-new design concept, make the design of ecological reading intelligent agriculture system more meet user's actual requirement, thereby applying of boosting reading intelligent agriculture given full play of the advantage of reading intelligent agriculture, thereby produces good economic and social benefit.

Claims (7)

1. ecological reading intelligent agriculture system, it is characterized in that, comprise remote monitoring computing machine and at least one environmental control, each environmental control connects the control terminal of at least two distributed arrangement by the CAN bus, each control terminal is for connecting corresponding environmental sensor and actuating equipment, described control terminal consists of a data harvester and a switching value control device, data collector connects corresponding environmental sensor for sampling, described switching value control device is for actuating equipment corresponding to control linkage, described switching value control device also is provided with the monitoring means for detection of corresponding actuating equipment operation conditions, this monitoring means comprises a current detecting interface and a voltage detecting interface, described current monitoring interface is used for accessing corresponding actuating equipment with the voltage detecting interface.
2. ecological reading intelligent agriculture system according to claim 1, it is characterized in that, described monitoring means comprises a current detection circuit and a voltage detecting circuit, this current detection circuit comprises current transformer, rectification circuit and a switching tube, this current transformer adopts the punching structure, its Primary Conductor perforation forms described current detecting interface, the secondary side of this current transformer triggers to drive by described rectification circuit and connects described switching tube, and the output terminal of this switching tube connects the controller of described switching value control device.
3. ecological reading intelligent agriculture system according to claim 2, is characterized in that, described voltage detecting circuit comprises an optocoupler, and the former limit of this optocoupler connects described voltage detecting interface, and secondary connects the controller of described switching value control device.
4. according to claim 1 or 2 or 3 described ecological reading intelligent agriculture systems, it is characterized in that, described environmental control is provided with for the wireless communication interface with the remote monitoring compunication.
5. for the switching value control device of the described ecological reading intelligent agriculture system of claim 1, it is characterized in that, described switching value control device is for actuating equipment corresponding to control linkage, described switching value control device also is provided with the monitoring means for detection of corresponding actuating equipment operation conditions, this monitoring means comprises a current detecting interface and a voltage detecting interface, and described current detecting interface is used for accessing corresponding actuating equipment with the voltage detecting interface.
6. switching value control device according to claim 5, it is characterized in that, described monitoring means comprises a current detection circuit and a voltage detecting circuit, this current detection circuit comprises current transformer, rectification circuit and a switching tube, this current transformer adopts the punching structure, its Primary Conductor perforation forms described voltage detecting interface, the secondary side of this current transformer triggers to drive by described rectification circuit and connects described switching tube, and the output terminal of this switching tube connects the controller of described switching value control device.
7. switching value control device according to claim 6, is characterized in that, described voltage detecting circuit comprises an optocoupler, and the former limit of this optocoupler connects described voltage detecting interface, and secondary connects the controller of described switching value control device.
CN201310438406.3A 2013-09-24 2013-09-24 Ecological intelligent agricultural system and digital output modul device thereof Active CN103472808B (en)

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Cited By (8)

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CN104090521A (en) * 2014-06-29 2014-10-08 苏州蓝萃电子科技有限公司 Temperature and humidity control system for agricultural greenhouse
CN104317272A (en) * 2014-11-05 2015-01-28 无锡新人居科贸有限公司 Remote greenhouse environment adjusting system
CN104914904A (en) * 2015-06-23 2015-09-16 崔矿生 Method and device for controlling artificial simulation environments
CN105046925A (en) * 2015-08-26 2015-11-11 安徽农业大学 Agricultural environment information collection system
CN105302086A (en) * 2014-07-04 2016-02-03 深圳神秾智能科技有限公司 Intelligence control system on the basis of internet of things technology
CN107577183A (en) * 2017-09-06 2018-01-12 太仓埃特奥数据科技有限公司 A kind of chamber crop real time data processing analysis system
CN108919868A (en) * 2018-09-27 2018-11-30 湖北工程学院 Greenhouse monitoring management apparatus and system
CN109213240A (en) * 2018-10-19 2019-01-15 齐鲁工业大学 A kind of strawberry greenhouse wireless monitor and control system based on self adaptive control

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104090521A (en) * 2014-06-29 2014-10-08 苏州蓝萃电子科技有限公司 Temperature and humidity control system for agricultural greenhouse
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CN109213240A (en) * 2018-10-19 2019-01-15 齐鲁工业大学 A kind of strawberry greenhouse wireless monitor and control system based on self adaptive control

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