CN203965978U - A kind of greenhouse facilities intelligent controller - Google Patents

A kind of greenhouse facilities intelligent controller Download PDF

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Publication number
CN203965978U
CN203965978U CN201420357129.3U CN201420357129U CN203965978U CN 203965978 U CN203965978 U CN 203965978U CN 201420357129 U CN201420357129 U CN 201420357129U CN 203965978 U CN203965978 U CN 203965978U
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chip microcomputer
control
greenhouse
electrical control
intelligent controller
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赵平
茹钢
刘铮
张礼锋
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HENAN BENYI INFORMATION ENGINEERING Co Ltd
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HENAN BENYI INFORMATION ENGINEERING Co Ltd
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Abstract

A kind of greenhouse facilities intelligent controller, comprise single-chip microcomputer, control the control circuit of electrical control cubicles, the sensor circuit of environmental information in the observation circuit of monitoring electrical control cubicles and collection greenhouse, control circuit and electrical control cubicles are for controlling the gauge tap of warm indoor equipment and connecing, and by the signal controlling of the output port output of single-chip microcomputer, with realize intelligent controller by control circuit and electrical control cubicles the Based Intelligent Control to warm indoor equipment.The utility model, by interchange electric shock device, auxiliary contact being set, to realize the adhesive that judges A.C. contactor by auxiliary contact, and then is judged the break-make of the electric equipment that this A.C. contactor is controlled; By making control circuit and the electrical control cubicles gauge tap of intelligent controller and connecing, and by the signal controlling of the output port output of single-chip microcomputer, with realize intelligent controller by control circuit and electrical control cubicles the Based Intelligent Control to warm indoor equipment.

Description

A kind of greenhouse facilities intelligent controller
Technical field
The utility model relates to the intelligent controller of industrial controlling, specifically a kind of greenhouse facilities intelligent controller.
Background technology
In recent years, the warmhouse booth industry of China obtains swift and violent development, take green house of vegetables, flowers in full flourish on both sides of the Changjiang River as main plant culture facility, and different types of vegetables are also not quite similar to the requirement of the required conditions of growth such as temperature and humidity.Greenhouse is a kind ofly can change plant growth environment, create top condition, avoid extraneous Four seasons change and the place of inclement weather on its impact for plant growth, it usings daylighting cladding material as all or part of structured material, can be in the winter time or other be not suitable for the cultivated plant in season of plant growth.And warmhouse booth will reach the environment of suitable for plant growth, gordian technique is that environment is controlled, and it is the set that environmental information data acquisition and equipment are controlled that environment is controlled, and reach automatically even Based Intelligent Control, collecting device and the opertaing device equipment that is absolutely necessary.
Winter vegetable booth is managed the most important control that factor is temperature.Temperature treatment is generally within one day, being divided into morning, afternoon, first half of the night and 4 periods are carried out temperature adjusting after midnight.Morning, it was main increasing assimilation quantity, generally canopy temperature is remained on to 25-30 ℃ and is advisable to promote photosynthesis; Afternoon photosynthesis is on a declining curve, temperature should be reduced to 5 ℃ of left and right than morning, with 20-25 ℃, for well, avoids under high temperature nutrient consumption too much.In post sunset 4-5h, by temperature of shed from 20 ℃ drop to gradually 15 ℃ upper and lower, to promote the running of assimilation quotient in body.After this, then by night temperature drop to 10-12 ℃, to suppress to breathe, to reduce, consume, increase accumulation.But can not temperature be fallen too lowly, to avoid chilling damage.In addition, overcast and rainy illumination is not enough, and photosynthesis can not normally carry out, and temperature of shed also should be than the low 5 ℃ of left and right of fine day, to reduce respiration consumption.
An important ring in agricultural modernization production detects and controls some important parameters of agriculture production environment exactly.Such as: the water cut of the temperature of air, humidity, intensity of illumination, carbon dioxide content, soil etc.Greenhouse and biological growth, growth, energy exchange are closely related, carry out environment observing and controlling and be realizing hothouse production management automation, scientific basic guarantee, by the analysis to Monitoring Data, in conjunction with crop growth rule, the condition that controls environment, makes crop reach high-quality, highly efficient and productive cultivation object.From now on, the agricultural facility that the green house of vegetables of take is representative will have started bringing into play increasing effect in agricultural modernization is produced, isoparametric automatically to the temperature in booth, humidity and intensity of illumination, that even Based Intelligent Control shows extremely important.
Utility model content
In order to meet the intelligent demand of controlling of booth parameters index, the utility model provides a kind of greenhouse facilities intelligent controller, by this intelligent controller, has been realized the intelligence of crop growth environment in booth is regulated.
The utility model is that the technical scheme that solves the problems of the technologies described above employing is: a kind of greenhouse facilities intelligent controller, comprise single-chip microcomputer, control the control circuit of electrical control cubicles, the sensor circuit of environmental information in the observation circuit of monitoring electrical control cubicles and collection greenhouse, described control circuit and electrical control cubicles are for controlling the gauge tap of warm indoor equipment and connecing, and by the signal controlling of the output port output of single-chip microcomputer, with realize intelligent controller by control circuit and electrical control cubicles the Based Intelligent Control to warm indoor equipment;
Described observation circuit comprises the auxiliary contact in the A.C. contactor that is arranged on electrical control cubicles, and by circuit, the detection port of single-chip microcomputer and auxiliary contact are connected, to realize, by auxiliary contact, judge the adhesive of A.C. contactor, and then judge the break-make of the electric equipment that this A.C. contactor is controlled;
Described sensor circuit comprises each sensor for detection of environmental parameter in greenhouse, and the parameter of each sensor detection is passed to single-chip microcomputer, so that single-chip microcomputer is realized the Based Intelligent Control to relevant device in greenhouse according to corresponding parameter by control circuit.
Described greenhouse facilities comprises the motor that opens or closes vent window, the maximum position opening and closing at vent window is provided with limit switch, limit switch is connected that with the input port of single-chip microcomputer information is passed to single-chip microcomputer, single-chip microcomputer is controlled stopping of motor according to the information receiving, according to the limit-switch positions information detecting, judge the folding condition of window, do the foundation of Based Intelligent Control.Also information can be passed to the terminal devices such as long-range computing machine, smart mobile phone, allow flexecutive understand in time working condition actual in greenhouse, and can realize accurately suitable Long-distance Control according to the real-time information collecting.The equipment control principle as identical in internal sunshade of the reciprocal operation of in like manner, using in other greenhouses.
In addition, greenhouse facilities also comprises some other utility appliance of booth, as facilities such as water pump, device for releasing carbon dioxide, ventilation unit, liquid manure device, heating apparatus, solar protection devices, Cover roller and light compensating lamps, the installation setting of these facilities is conventional set-up modes of this area, does not therefore repeat.
On intelligent controller of the present utility model, can also be provided with display screen, with the environmental parameter that shows that each sensor detects; Setting operation keyboard is to control the adjusting of parameter; Storer is set to store and calling data; It can also be connected with extraneous computer equipment by network, to realize the remote monitoring of booth intrinsic parameter and adjustment by remote computer.
Control circuit described in the utility model and electrical control cubicles refer to for controlling the gauge tap of warm indoor equipment and connecing, on the A.C. contactor of electrical control cubicles, auxiliary contact are set, the detection port of single-chip microcomputer is connected with auxiliary contact, break-make for detection of A.C. contactor, two contacts that control circuit is opened one end are opened port with two outputs of single-chip microcomputer and are connected, two contacts of the other end respectively with electrical control cubicles for controlling the gauge tap of warm indoor equipment and connecing; Two contacts that control circuit cuts out one end are connected with two output close port of single-chip microcomputer, and two contacts of the other end are connected in series with the control closing switch of electrical control cubicles temperature indoor equipment.
This intelligent controller can real-time monitoring equipment duty, guarantee production safety.On A.C. contactor, increase auxiliary contact, auxiliary contact are connected to the equipment condition monitoring port of intelligent controller, built-in single-chip microcomputer is by the adhesive of monitoring A.C. contactor, the duty of identification equipment.When there is staff at scene according to field condition, during interim manual unlocking equipment, intelligent controller can measure the unlatching of equipment by automatic monitoring, and upload the data to far-end server.Having solved greenhouse controller in the past can only rely on the shake-up of self button just can know the duty of equipment, the difficult problem that can not merge completely with existing equipment.
This intelligent controller according to the closed situation of limit switch can Real-Time Monitoring vent window, external sunshade, Cover roller etc. whether in windowing or closing the state of window, be convenient to that physical environment rains, strong wind,, the Based Intelligent Control of need for environment etc. is windowed or is closed window and operates in the greenhouse in.Monitoring and limit switch are set, and when opening vent window, after treating that vent window motor drives vent window to open, when running to maximum and windowing position, the spacing monitoring switch of touching open position is closed, controls motor out of service, protection equipment security of operation.When closing vent window, after treating that vent window is closed completely, the limit switch that position is closed in touching is closed, controls motor out of service, protection equipment security of operation.Simultaneously the closed information of limit switch after testing after, can know the folding condition of vent window etc., this detection information is reached far-end server, make far-end technician can know the on off state of vent window etc. and can graphic display, be convenient to technician and plant growth prototype software and do corresponding operation according to concrete needs intelligence.
This intelligent controller has the whether abnormal function of data of automatic monitoring sensor, and for the prompting of abnormal sensor, the environmental data that equipment set is gathered is true, for the accuracy of greenhouse intelligent control, provides foundation.Based Intelligent Control according to the data acquisition that comes from greenhouse site environment, if during the error in data that sensor fault causes gathering, intelligent controller cannot need to be made correct work order output according to actual environment, whole system also cannot accurately move.Therefore the accuracy of sensor will play vital effect.The mode adopting is, the data of intelligent controller Real-Time Monitoring sensor, when 3%(that data change value within 5 seconds of sensor is whole range can change settings) more than, 10 hours (can change settings) numerical value is constant, 24 hours inner sensor data, only at the 3%(of whole range numerical value, can change settings) (in interior change, prompting collector data exception, technician need to check corresponding sensor, with the data accuracy of guaranteeing to gather.
Whether this controller is can checkout equipment running status normal, and method is after sending device start action command, and checkout equipment running status, if the abnormal operation of equipment is considered as fault.Do not sending equipment Stop message (comprise manually and manually stop controlling), and equipment operation stops, and is considered as fault, now sends information, guiding work personnel inspection and maintenance.
Beneficial effect: the utility model, by interchange electric shock device, auxiliary contact being set, to realize the adhesive that judges A.C. contactor by auxiliary contact, and then is judged the break-make of the electric equipment that this A.C. contactor is controlled; By the control circuit of intelligent controller is rationally connected with electrical control cubicles gauge tap, and the signal controlling of being exported by the output port of single-chip microcomputer, with realize intelligent controller by control circuit and electrical control cubicles the Based Intelligent Control to warm indoor equipment, thereby realized intelligent controller, according to the Monitoring Data of sensor, automatically control each auxiliary device and carry out parameter adjusting, realized the automatic intelligent that booth produces and controlled.Simultaneously; because the perfect adaptation of this intelligent controller and existing power distribution cabinet; protect the power distribution cabinet equipment of the original input of agribusiness from manual control is upgraded to Based Intelligent Control, still can continue use, thereby greatly saved cost, had obvious Social benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is the principle diagram of electric control of the utility model intelligent controller;
Fig. 2 is intelligent controller output and electrical control cubicles connection line figure;
Fig. 3 is the circuit connection diagram of each device travel switch of electrical control cubicles control;
Reference numeral: 1, main MCU, 2, operation keyboard, 3, storer, 4, the output interface that is connected with electrical control cubicles, 5, equipment condition monitoring module, 6, spacing monitoring modular, 7, input interface, 8, MX485 interface, 9, from MCU, 10, parameters sensor, 11, remote computer, 12, network, 13, network interface, 14, fault detection module, 15, display screen, 16, intelligent controller, 17, output opens operation circuit, 18, operation circuit is closed in output, and 19, Monitoring Line, 20 travel switches.
Embodiment
A kind of greenhouse facilities intelligent controller, comprise single-chip microcomputer, control the control circuit of electrical control cubicles, the sensor circuit of environmental information in the observation circuit of monitoring electrical control cubicles and collection greenhouse, described control circuit and electrical control cubicles are for controlling the gauge tap of warm indoor equipment and connecing, and by the signal controlling of the output port output of single-chip microcomputer, with realize intelligent controller by control circuit and electrical control cubicles the Based Intelligent Control to warm indoor equipment;
Described observation circuit comprises the auxiliary contact in the A.C. contactor that is arranged on electrical control cubicles, and by circuit, the detection port of single-chip microcomputer and auxiliary contact are connected, to realize, by auxiliary contact, judge the adhesive of A.C. contactor, and then judge the break-make of the electric equipment that this A.C. contactor is controlled;
Described sensor circuit comprises each sensor for detection of environmental parameter in greenhouse, and the parameter of each sensor detection is passed to single-chip microcomputer, so that single-chip microcomputer is realized the Based Intelligent Control to relevant device in greenhouse according to corresponding parameter by control circuit;
Described greenhouse facilities comprises the motor that opens or closes vent window, the maximum position opening and closing at vent window is provided with limit switch, limit switch is connected that with the input port of single-chip microcomputer information is passed to single-chip microcomputer, and single-chip microcomputer is controlled stopping of motor according to the information receiving; Simultaneously according to judging opening or changing state-detection of vent window after the closed information acquisition of behavior switch.
The utility model is when concrete application, as shown in Figure 1, comprise a main MCU1, on main MCU1, be provided with display screen 15, operation keyboard 2, data-carrier store 3 and fault detection module 14, fault detection module 14 detecting sensors and equipment operation failure, the output interface 4 of main MCU1 is connected by the electrical control cubicles of equipment with booth, and the input interface 7 of main MCU1 is connected with spacing monitoring modular 6 with equipment condition monitoring module 5, and equipment condition monitoring refers to the A.C. contactor auxiliary contact access from electrical control cubicles; Parameters sensor 10 passes through from MCU9 and MX485 interface 8 and main MCU1 communication, main MCU1 carries out data communication by the network interface 13 on it and network 12 with remote computer 11, to realize remote computer 11 by the long-distance intelligent control of each equipment in 4 pairs of booths of output interface of intelligent controller.
Fig. 2 is intelligent controller output and electrical control cubicles connection line figure, i.e. the output switch of intelligent controller and the gauge tap of electrical control cubicles connect;
Fig. 3 is the circuit connection diagram of each device travel switch of electrical control cubicles control, the health information that namely obtains each equipment by monitoring the state of each device travel switch 20 (mainly refers to location status information, according to travel switch folding condition being detected, can know for example window state that be out or that close, sunshade is launch or close up state, makes the long-range user of service can be according to the duty of the displaying temperature indoor equipment of positional information graphic).
Agricultural planting supvr can be real-time check canopy temperature, humidity, carbon dioxide, soil moisture, the soil moisture, illuminance data, status information of equipment, and the automatic or corresponding equipment of manual control warmhouse booth according to the demand of plant growth of current plantation, make environmental information in warmhouse booth meet the growth conditions of plant, the relevant device of booth mainly contains:
1) temperature, humidity, carbon dioxide, soil moisture, the soil moisture, illuminance sensor, for gathering the real time data of warmhouse booth inside, are reserved the data bit that No. 6 sensors such as nitrogen add simultaneously, are convenient to increase sensor type;
2) water pump is controlled, and according to the soil moisture range of needs in plant growth model and plant growth habit, the adjusting of intelligence is watered, and makes soil moisture be controlled at the suitable scope of these crops;
3) liquid manure mixes, and pours fertilizer into liquid manure mixing pit, or automatically adds according to quantity liquid manure mixing pit by automatic charging equipment, and fully stirred evenly by stirring machine;
4) fertilising is controlled, and according to the needs of crops, mixed liquid manure is entered to soil root area by drip irrigation pipeline drip irrigation, increases the absorption of plant, improves water and fertilizer utilization, again spoiled soil structure not;
5) device for releasing carbon dioxide is controlled, and when the carbon dioxide data value that collects in booth is lower, or according to the carbon dioxide fertilization data in plant growth model, according to feature in each of plant, release of carbon dioxide regulates the object that reaches volume increase in growth period;
6) external sunshade launches to close up control, and the data that collect when booth illuminance are crossed and forced to such an extent that canopy temperature is too high and a kind of technological means of adopting is blocked the temperature in a part of sunlight adjusting intensity of illumination and booth by closing up or launching sunshade member;
7) warming-up device, this equipment divides two kinds, ambient air temperature heating in soil moisture heating and booth in booth, winter continuous sleety weather, when the soil moisture is lower, weakening plant is growth, by solar thermal collector being installed at booth outward, the following buried pipeline of root and installation accumulation of heat bucket in plastic shed soil, the temperature value needing in conjunction with plant growth according to heat collector temperature, the soil moisture in the startup thermal cycle heating booth of control pump, suitable rear automatically the stopping of temperature heated, heat collector hot water is kept in the water storage barrel of booth after darkness, slowly discharge evening and keep the soil moisture at night, environment temperature is heated and by control, is opened the firing equipments such as calorifier and reach plant growth adapt circumstance temperature in booth,
8) in, shade and launch to close up control, the data that collect when booth illuminance cross force canopy temperature compared with a kind of technological means high and that adopt, by closing up or launching the temperature that sunshade member blocks a part of sunlight adjusting intensity of illumination and booth;
9) Cover roller is controlled, Winter Solar Greenhouse insulation at night is used, when the evening draws on, warmhouse booth is controlled software detection and is obtained outside booth illuminance lower than the photosynthesis illuminance predetermined value of plant growth requirement to small-sized weather station data, control the heat that Cover roller puts down protection heliogreenhouse, during early morning, the booth external environment illuminance detecting by small-sized weather station reaches predetermined value, controls Cover roller and rolls;
10) solar thermal collector; the winter in the north; when air themperature is when subzero; soil can produce frozen soil layer; the degree of depth of frozen soil layer is with changing from different places, and the generation of frozen soil destroys the root of plant, so warmhouse booth needs night on the one hand, protects the air themperature in greenhouse; also need to improve the soil moisture, be beneficial to plant growth.Solar thermal collector is installed on outside booth, the heat that gathers solar radiation daytime heats the water in heat collector, control solenoid valve and open water circulating pump, circulating hot water is by being embedded in the heat soil moisture of root zone of pipeline in plastic shed soil, Promoting plant growth;
11) blower fan, has two purposes, one forced draft, and its two cooperations Wet-curtain temperature reducing, under the wind speed requiring, reaches the object in warmhouse booth inner loop by cold air;
12) light compensating lamp, when illuminance is inadequate, main control system need to be opened light compensating lamp, Promoting plant growth according to plant growth;
13) attic window, narrow space in warmhouse booth, add the use of agricultural chemicals and fertilizer, cause carbon dioxide content in warmhouse booth constantly to reduce, the increasing harmful gas of assembling, cause the transmission of corps diseases in warmhouse booth, bring adverse influence to growing of crop in warmhouse booth, so, when the composition of air content in warmhouse booth does not reach the growth demand of crop in canopy, the processing of must ventilating, allot the vitiated air in canopy, simultaneously, fresh air outside canopy is replaced into, the data that in the small-sized weather station of control center's software detection and warmhouse booth, collector gathers, contrast, automatically control to open and close vent window,
14) side vent window, function is the same, opens attic window and side vent window can produce cross-ventilation, better effects if simultaneously;
15) Wet-curtain temperature reducing, during the interior excess Temperature of warmhouse booth, cooling is used, by wet curtain case, circulation, axial fan, control circuit forms, wet curtain-fan forced cooling system is to utilize evaporation of water cool principle to realize cooling object, the core of cooling system is the wet curtain that can allow water evaporate, wet curtain is formed by undulatory fibrous paper bonding, the wet curtain of special water delivery can guarantee that water drenches the wet curtain wall of whole cooling equably, ensuring large wet surface contacts with the air flowing through, when the wet curtain medium of air penetration, the aqueous vapor exchange of carrying out with moistening dielectric surface is converted into the latent heat of vaporization by the sensible heat of air, thereby realize the humidification of air and cooling, the blower fan matching with wet curtain is realized flowing of greenhouse inner air and outer air, indoor hot and humid gas is discharged, and supplementary enough fresh airs, after control center's software information that Temperature Humidity Sensor gathers in detecting the outer small-sized weather station data of canopy and canopy contrasts, according to the parameter needs in plant growth model, start blower fan, force air in greenhouse is extracted out, cause negative pressure, simultaneously, starting water pump beats water to be arranged on the wet curtain wall on blower fan opposite, outdoor air is by negative pressure suction chamber time, with certain speed, from the gap of wet curtain, pass, cause moisture evaporation, cooling, the cold air greenhouse of flowing through, after the interior heat of absorption chamber, through fan, discharge, thereby reach cooling object, also through recirculating air, upgraded the fresh air outside booth simultaneously,
As known from the above, greenhouse intelligent controller can be realized the data acquisition of canopy temperature, humidity, carbon dioxide, soil moisture, the soil moisture, illuminance, simultaneously corresponding collector faults itself can judge, manually, automatically control equipment in booth (Cover roller, side vent window, water pump water, in shade, attic window, drip irrigation, spray, blower fan, Wet-curtain temperature reducing, light compensating lamp, device for releasing carbon dioxide, warming-up device), by host computer procedure, can realize intelligent control.Status information of equipment in booth is passed to display unit after gathering, make picture signal, temperature, humidity, carbon dioxide, soil moisture, the soil moisture, the illuminance data in booth seen that supvr can be real-time, status information of equipment, and according to the plant growth model of current plantation, automatically control corresponding equipment and make environmental information in booth meet the growth conditions of plant.
The utility model is integrated into an equipment by greenhouse data acquisition and control, has improved the reliability and the price that has reduced product itself of equipment.Simultaneously; due to by the environmental data collectings such as humiture and equipment control integration; and and greenhouse in the combination of original electrical control cabinet; protected user in the situation that existing equipment is still normally used, to upgrade to remote intelligent control system; greatly reduce upgrade cost and saved material, effective utilization of social resources is played to very important effect.For agrotechnical technicalization process, promote and significantly reduced cost of use.

Claims (2)

1. a greenhouse facilities intelligent controller, comprise single-chip microcomputer, control the control circuit of electrical control cubicles, the sensor circuit of environmental information in the observation circuit of monitoring electrical control cubicles and collection greenhouse, it is characterized in that: described control circuit and electrical control cubicles are for controlling the gauge tap of warm indoor equipment and connecing, and by the signal controlling of the output port output of single-chip microcomputer, with realize intelligent controller by control circuit and electrical control cubicles the Based Intelligent Control to warm indoor equipment;
Described observation circuit comprises the auxiliary contact in the A.C. contactor that is arranged on electrical control cubicles, and by circuit, the detection port of single-chip microcomputer and auxiliary contact are connected, to realize, by auxiliary contact, judge the adhesive of A.C. contactor, and then judge the break-make of the electric equipment that this A.C. contactor is controlled;
Described sensor circuit comprises each sensor for detection of environmental parameter in greenhouse, and the parameter of each sensor detection is passed to single-chip microcomputer, so that single-chip microcomputer is realized the Based Intelligent Control to relevant device in greenhouse according to corresponding parameter by control circuit.
2. a kind of greenhouse facilities intelligent controller according to claim 1, it is characterized in that: described greenhouse facilities comprises the motor that opens or closes vent window, the maximum position opening and closing at vent window is provided with limit switch, limit switch is connected that with the input port of single-chip microcomputer information is passed to single-chip microcomputer, single-chip microcomputer is controlled stopping of motor according to the information receiving, meanwhile, according to the state of detected limit switch, demonstrating vent window is the state of closing or opening.
CN201420357129.3U 2014-07-01 2014-07-01 A kind of greenhouse facilities intelligent controller Active CN203965978U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104111679A (en) * 2014-07-01 2014-10-22 河南本易信息工程有限公司 Intelligent controller for greenhouse equipment
CN104731135A (en) * 2015-02-04 2015-06-24 郑州职业技术学院 Control device and method for family farm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104111679A (en) * 2014-07-01 2014-10-22 河南本易信息工程有限公司 Intelligent controller for greenhouse equipment
CN104731135A (en) * 2015-02-04 2015-06-24 郑州职业技术学院 Control device and method for family farm

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