CN104090521A - Temperature and humidity control system for agricultural greenhouse - Google Patents

Temperature and humidity control system for agricultural greenhouse Download PDF

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Publication number
CN104090521A
CN104090521A CN201410301922.6A CN201410301922A CN104090521A CN 104090521 A CN104090521 A CN 104090521A CN 201410301922 A CN201410301922 A CN 201410301922A CN 104090521 A CN104090521 A CN 104090521A
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CN
China
Prior art keywords
chip microcomputer
temperature
agricultural greenhouse
humidity control
humidity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410301922.6A
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Chinese (zh)
Inventor
田中任
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Lan Cui Electronic Science And Technology Co Ltd
Original Assignee
Suzhou Lan Cui Electronic Science And Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Lan Cui Electronic Science And Technology Co Ltd filed Critical Suzhou Lan Cui Electronic Science And Technology Co Ltd
Priority to CN201410301922.6A priority Critical patent/CN104090521A/en
Publication of CN104090521A publication Critical patent/CN104090521A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a temperature and humidity control system for an agricultural greenhouse. The temperature and humidity control system comprises a human-computer interface, an execution controller PLC, an execution mechanism, a master station single-chip microcomputer, a plurality of slave station single-chip microcomputers, a plurality of temperature sensors and a plurality of humidity sensors. The execution controller PLC is connected with the human-computer interface, the execution mechanism and the main station single-chip microcomputer respectively. Any slave station single-chip microcomputer is connected with the corresponding temperature sensor and the corresponding humidity sensor. The main station single-chip microcomputer obtains monitoring data of the temperature sensors and the humidity sensors by being connected with the slave station single-chip microcomputers. The temperature and humidity control system has the advantages that data of multiple points can be collected through the system of the structure, and therefore temperature and humidity monitoring and control can be conducted on the crop environment within a large range. Multi-point collection of greenhouse data is achieved, reliability of the system is improved, and the temperature and humidity control system is safe, reliable, easy to operate and good in control effect and has popularization value.

Description

A kind of agricultural greenhouse temperature humidity control system
Technical field
The present invention relates to a kind of agriculture test field, particularly a kind of agricultural greenhouse temperature humidity control system.
Background technology
Along with improving constantly of living standard, people increase day by day to the demand of vegetables and melon and fruit.In order to meet this requirement, adopt agricultural greenhouse planting vegetable and melon and fruit to obtain extensive promotion and application.Plant growth in agricultural greenhouse need to meet certain environmental baseline, and what wherein plant growth is had the greatest impact is environment temperature and humidity.In the different phase of plant growth, environment temperature and humidity should remain on certain limit, could meet plant growth requirement.Therefore the environmental parameter such as agricultural greenhouse temperature, humidity is monitored and controlled, make the temperature and humidity of environment be applicable to the growth of crop, thereby the yield and quality that improves crop is had great importance.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of safety, reliable, easy operating are provided, control respond wellly, have the agricultural greenhouse temperature humidity control system of promotional value.
The technical solution adopted for the present invention to solve the technical problems is: a kind of agricultural greenhouse temperature humidity control system, comprise: man-machine interface, implementation controller PLC, topworks, main website single-chip microcomputer, some slave station single-chip microcomputers, some temperature sensors and some humidity sensors, described implementation controller PLC respectively with man-machine interface, topworks, main website single-chip microcomputer is connected, described any one slave station single-chip microcomputer connects respectively a temperature sensor and a humidity sensor, described main website single-chip microcomputer obtains the Monitoring Data of temperature sensor and humidity sensor by connecting slave station single-chip microcomputer.
As preferred version, between described main website single-chip microcomputer and implementation controller PLC, be also connected with a photoelectric isolating circuit.
As preferred version, between described slave station single-chip microcomputer and temperature sensor, humidity sensor, be respectively connected with signal processing circuit.
As preferred version, described implementation controller PLC adopts Siemens S7-300 PLC.
As preferred version, described man-machine interface adopts the TP177B touch-screen of Siemens Company.
As preferred version, described temperature sensor and humidity sensor can adopt the DTH11 Temperature Humidity Sensor of integrated humiture test.
As preferred version, described main website single-chip microcomputer adopts AT89s52 single-chip microcomputer.
As preferred version, described slave station single-chip microcomputer adopts AT89c2051 single-chip microcomputer.
The invention has the beneficial effects as follows: adopt the system of this structure can gather multipoint data, therefore can be to carrying out monitoring and the control of humiture as substance environment in a big way.Realize the multipoint acquisition of booth data and improve the reliability of system, thering is safety, reliable, easy operating, controlling respond wellly, thering is promotional value.
Brief description of the drawings
For the clearer explanation embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structural representation of the present invention.
Fig. 2 and Fig. 3 are the man-machine interface of the present invention schematic diagram.
Embodiment
Now by reference to the accompanying drawings and specific embodiment, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and basic structure of the present invention is only described in a schematic way, and therefore it only shows the formation relevant with the present invention.These embodiment are interpreted as only need not limiting the scope of the invention for the present invention is described.After having read content of the present invention, those skilled in the art can do various amendments to the present invention, and the variation of these equivalences and modification fall into the protection domain that the present invention limits equally.
Agricultural greenhouse temperature humidity control system as shown in Figure 1, comprise: man-machine interface, implementation controller PLC, topworks, main website single-chip microcomputer, some slave station single-chip microcomputers, some temperature sensors and some humidity sensors, described implementation controller PLC is connected with man-machine interface, topworks, main website single-chip microcomputer respectively, described any one slave station single-chip microcomputer connects respectively a temperature sensor and a humidity sensor, and described main website single-chip microcomputer obtains the Monitoring Data of temperature sensor and humidity sensor by connecting slave station single-chip microcomputer.The hardware components of system is mainly made up of man-machine interface, implementation controller PLC, slave computer single-chip microcomputer and topworks's 4 parts.The signal of each slave site Temperature Humidity Sensor collection sends slave site single-chip microcomputer to after Shape correction circuit, website single-chip microcomputer is optimized the mode transfer of after processing, data being passed through to serial communication to PLC to data, controller PLC give an order fan controller and temp and humidity regulator, realize booth humidification, ventilation and temperature and regulate.The data that sensor detects are after shaping amplifying signal treatment circuit, data are passed to single-chip microcomputer, single-chip microcomputer carries out the data that receive to send implementation controller S7-300PLC to after D/A conversion, PLC exports corresponding instruction according to the program of writing and realizes the control to actuator, thereby realizes the adjusting to booth parameter.
Man-machine interface is the TP177B touch-screen of Siemens, according to the different seasons of growth with period crop different to the demand of growing environment, the bound parameter of green house temperature-humidity can be set by touch-screen, adjust the environment of crop growth; Show the humiture real-time parameter of current booth by man-machine interface, also can on TP177B, carry out manual adjustments, regulate green house temperature-humidity as shown in Figures 2 and 3 by blower fan, warmer and atomizing humidifier.The setting of touch-screen parameter and display interface can carry out manual switchover.
That implementation controller PLC adopts is Siemens S7-300 PLC (CPU314C-2DP), the data that single-chip microcomputer Real-time Collection DHT11 sends, through D/A conversion, the analog quantity of humiture is sent to PLC, and show by man-machine interface TP177B, PLC receives the data from single-chip microcomputer or HMI, sends the environmental parameter of instruction control actuator adjusting agricultural greenhouse after routine processes.
Above content combines embodiment accompanying drawing specific embodiments of the invention has been made to detailed description.In this instructions, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the wide region consistent with principle disclosed herein and novel features.

Claims (8)

1. an agricultural greenhouse temperature humidity control system, it is characterized in that: comprising: man-machine interface, implementation controller PLC, topworks, main website single-chip microcomputer, some slave station single-chip microcomputers, some temperature sensors and some humidity sensors, described implementation controller PLC is connected with man-machine interface, topworks, main website single-chip microcomputer respectively, described any one slave station single-chip microcomputer connects respectively a temperature sensor and a humidity sensor, and described main website single-chip microcomputer obtains the Monitoring Data of temperature sensor and humidity sensor by connecting slave station single-chip microcomputer.
2. agricultural greenhouse temperature humidity control system according to claim 1, is characterized in that: between described main website single-chip microcomputer and implementation controller PLC, be also connected with a photoelectric isolating circuit.
3. agricultural greenhouse temperature humidity control system according to claim 1, is characterized in that: between described slave station single-chip microcomputer and temperature sensor, humidity sensor, be respectively connected with signal processing circuit.
4. agricultural greenhouse temperature humidity control system according to claim 1, is characterized in that: described implementation controller PLC adopts Siemens S7-300 PLC.
5. agricultural greenhouse temperature humidity control system according to claim 1, is characterized in that: described man-machine interface adopts the TP177B touch-screen of Siemens Company.
6. agricultural greenhouse temperature humidity control system according to claim 1, is characterized in that: described temperature sensor and humidity sensor can adopt the DTH11 Temperature Humidity Sensor of integrated humiture test.
7. agricultural greenhouse temperature humidity control system according to claim 1, is characterized in that: described main website single-chip microcomputer adopts AT89s52 single-chip microcomputer.
8. agricultural greenhouse temperature humidity control system according to claim 1, is characterized in that: described slave station single-chip microcomputer adopts AT89c2051 single-chip microcomputer.
CN201410301922.6A 2014-06-29 2014-06-29 Temperature and humidity control system for agricultural greenhouse Pending CN104090521A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410301922.6A CN104090521A (en) 2014-06-29 2014-06-29 Temperature and humidity control system for agricultural greenhouse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410301922.6A CN104090521A (en) 2014-06-29 2014-06-29 Temperature and humidity control system for agricultural greenhouse

Publications (1)

Publication Number Publication Date
CN104090521A true CN104090521A (en) 2014-10-08

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CN201410301922.6A Pending CN104090521A (en) 2014-06-29 2014-06-29 Temperature and humidity control system for agricultural greenhouse

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105278511A (en) * 2015-11-19 2016-01-27 国家电网公司 Equipment room temperature intelligent control system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101950173A (en) * 2010-09-27 2011-01-19 西南大学 Remote greenhouse environment monitoring system based on distributed structure
CN102722158A (en) * 2012-06-22 2012-10-10 郭欢 Distributed vegetable planting greenhouse monitoring system based on CAN (Controller Area Network) bus
CN202600542U (en) * 2012-04-25 2012-12-12 天津职业技术师范大学 Agricultural greenhouses temperature and humidity monitoring system based on single-chip microcomputer and programmable logic controller
CN103472808A (en) * 2013-09-24 2013-12-25 河南兵峰电子科技有限公司 Ecological intelligent agricultural system and switching value control device thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101950173A (en) * 2010-09-27 2011-01-19 西南大学 Remote greenhouse environment monitoring system based on distributed structure
CN202600542U (en) * 2012-04-25 2012-12-12 天津职业技术师范大学 Agricultural greenhouses temperature and humidity monitoring system based on single-chip microcomputer and programmable logic controller
CN102722158A (en) * 2012-06-22 2012-10-10 郭欢 Distributed vegetable planting greenhouse monitoring system based on CAN (Controller Area Network) bus
CN103472808A (en) * 2013-09-24 2013-12-25 河南兵峰电子科技有限公司 Ecological intelligent agricultural system and switching value control device thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105278511A (en) * 2015-11-19 2016-01-27 国家电网公司 Equipment room temperature intelligent control system

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Application publication date: 20141008