CN103792975A - Plastic greenhouse heat insulation system based on PLC control - Google Patents
Plastic greenhouse heat insulation system based on PLC control Download PDFInfo
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- CN103792975A CN103792975A CN201410031979.9A CN201410031979A CN103792975A CN 103792975 A CN103792975 A CN 103792975A CN 201410031979 A CN201410031979 A CN 201410031979A CN 103792975 A CN103792975 A CN 103792975A
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- plc
- insulation system
- hot house
- plastic greenhouse
- heat insulation
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Abstract
The invention discloses a plastic greenhouse heat insulation system based on PLC control. The plastic greenhouse heat insulation system comprises a PLC, a temperature sensor, a humidity sensor, heating equipment, humidification equipment and a ventilating window. The plastic greenhouse heat insulation system is characterized in that the temperature sensor, the humidity sensor, the heating equipment and the humidification equipment are arranged in a plastic greenhouse; the temperature sensor and the humidity sensor are used for collecting temperature and humidity in the greenhouse and are connected with the signal input end of the PLC through a signal conditioning circuit; the PLC is respectively connected with the heating equipment, the humidification equipment and the ventilating window through data lines. The PLC is used as the control center of the plastic greenhouse heat insulation system, and the environment inside the plastic greenhouse is automatically controlled according to growth needs of different plants.
Description
Technical field
The present invention relates to hot house insulation automatic control system, be specifically related to a kind of hot house heat-insulation system of controlling based on PLC.
Background technology
Along with social development, the agricultural production of China has obtained gratifying achievement, but simultaneously, China is populous, shortage of resources, costs of farm produce is high, scientific and technological content is low, cannot form the problems such as industry size, in China's agricultural development process, also more and more shows especially out.Address these problems, be to realize China's agricultural from traditional agriculture to transforming take high-quality, efficient, high yield as the agricultural modernization of object at all.
Along with high molecular polymer-Polyvinylchloride, poly generation, plastic sheeting is widely used in agricultural greenhouse, be used for changing the growing environment of plant, avoid extraneous Four seasons change and the weather extremes adverse effect to plant growth, for plant growth is created suitable good condition.But different plants are to temperature, the required condition of the envirment factor such as humidity and illumination is not quite similar, so the environment in hot house is controlled automatically, realize the functions such as heating, cooling, ventilation, humidification by difference requirement, according to the growth demand of plant, various growth factors being changed at any time, is the problem that the present invention need to solve.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of hot house heat-insulation system of controlling based on PLC, and this hot house heat-insulation system, take PLC as control center, according to the growth demand of different plants, is realized the environment in hot house is controlled automatically.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
The hot house heat-insulation system of controlling based on PLC, comprise PLC controller, temperature sensor, humidity sensor, firing equipment, humidification apparatus, vent window, described temperature sensor, humidity sensor, firing equipment, humidification apparatus are arranged in hot house; Temperature sensor, humidity sensor, for gathering temperature, the humidity in hot house, connect PLC controller signals input end by signal conditioning circuit; PLC controller connects respectively firing equipment, humidification apparatus and vent window by data line.
Such scheme, described hot house heat-insulation system also comprises PC, for realizing management and the storage of real time data, for the research of plant growth later brings valuable data.
Such scheme, described PC is connected with PLC controller by RS485 interface.
Such scheme, described humidification apparatus adopts the sprinkling irrigation equipment of solenoid control, and so effectively saving water resource can spray and also can not injure plant uniformly plant simultaneously.
Beneficial effect of the present invention is: hot house heat-insulation system of the present invention is take PLC as control center, detect the humiture in hot house by temperature sensor, humidity sensor induction, and be sent to PLC controller with the form of digital signal, PLC compares rear the signal processing collecting and setting value, after certain control algolithm of PLC, PLC will send corresponding control signal topworks is controlled automatically again; In this system, be connected with PC by serial ports simultaneously, thereby realize management and the storage of real time data, the research of later plant growth brings valuable data.
Accompanying drawing explanation
Fig. 1 is the structured flowchart that the present invention is based on the hot house heat-insulation system of PLC control.
Embodiment
Accompanying drawing discloses concrete structure of the present invention without limitation, and below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the hot house heat-insulation system of controlling based on PLC, comprise PLC controller, temperature sensor, humidity sensor, firing equipment, humidification apparatus, vent window, described temperature sensor, humidity sensor, firing equipment, humidification apparatus are arranged in hot house; Temperature sensor, humidity sensor, for gathering temperature, the humidity in hot house, connect PLC controller signals input end by signal conditioning circuit; PLC controller connects respectively firing equipment, humidification apparatus and vent window by data line.Described hot house heat-insulation system also comprises PC.Described PC is connected with PLC controller by RS485 interface.Described humidification apparatus adopts the sprinkling irrigation equipment of solenoid control.
The course of work of the present invention: various growth factors are set according to the growth demand of plant, detect the humiture in hot house by temperature sensor, humidity sensor induction, and be sent to PLC controller with the form of digital signal, PLC compares rear the signal processing collecting and setting value, after certain control algolithm of PLC, PLC will send corresponding control signal topworks is controlled automatically again.When detected amount temperature is higher than setting value, PLC will send corresponding instruction control and open vent window; When detected amount temperature value equates with setting value, PLC sends corresponding instruction control and closes vent window; Detected amount temperature value is lower than setting value, and PLC sends corresponding instruction control and opens well heater and hot house is heated until consistent with desired temperature; When humidity in hot house is during lower than setting value, system is sprayed by air and plant sprays; In the time that the humidity in hot house reaches setting value, system stops air-atomizing and plant spray.This hot house heat-insulation system, take PLC as control center, is set and is regulated the demand that adapts to different plant growths that reaches by temperature, humidity, realizes the environment in hot house is controlled automatically, thereby be widely applied in reality.
Claims (4)
1. the hot house heat-insulation system of controlling based on PLC, comprise PLC controller, temperature sensor, humidity sensor, firing equipment, humidification apparatus, vent window, it is characterized in that: described temperature sensor, humidity sensor, firing equipment, humidification apparatus are arranged in hot house; Temperature sensor, humidity sensor, for gathering temperature, the humidity in hot house, connect PLC controller signals input end by signal conditioning circuit; PLC controller connects respectively firing equipment, humidification apparatus and vent window by data line.
2. the hot house heat-insulation system of controlling based on PLC according to claim 1, is characterized in that: described hot house heat-insulation system also comprises PC.
3. the hot house heat-insulation system of controlling based on PLC according to claim 2, is characterized in that: described PC is connected with PLC controller by RS485 interface.
4. the hot house heat-insulation system of controlling based on PLC according to claim 1, is characterized in that: described humidification apparatus adopts the sprinkling irrigation equipment of solenoid control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031979.9A CN103792975A (en) | 2014-01-23 | 2014-01-23 | Plastic greenhouse heat insulation system based on PLC control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410031979.9A CN103792975A (en) | 2014-01-23 | 2014-01-23 | Plastic greenhouse heat insulation system based on PLC control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103792975A true CN103792975A (en) | 2014-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410031979.9A Pending CN103792975A (en) | 2014-01-23 | 2014-01-23 | Plastic greenhouse heat insulation system based on PLC control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103792975A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105325216A (en) * | 2015-10-30 | 2016-02-17 | 鑫晟(长泰)温室科技有限公司 | Greenhouse for flower planting |
| US20160349769A1 (en) * | 2015-05-26 | 2016-12-01 | Aram Solution Co., Ltd. | Management system for vinyl greenhouse and method for processing thereof |
| CN108107952A (en) * | 2016-11-24 | 2018-06-01 | 中航贵州飞机有限责任公司 | Humiture automatically controls and management system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201576218U (en) * | 2009-12-22 | 2010-09-08 | 广东星河生物科技股份有限公司 | Temperature and humidity controller |
| CN202524834U (en) * | 2012-04-13 | 2012-11-14 | 浙江同济科技职业学院 | Temperature/humidity control and water-saving irrigation system for greenhouse |
| 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 |
| CN203117746U (en) * | 2013-01-29 | 2013-08-07 | 浙江海洋学院 | Greenhouse control device |
| CN203232340U (en) * | 2013-04-27 | 2013-10-09 | 杨茹 | Automatic control system for temperature and humidity of booth |
-
2014
- 2014-01-23 CN CN201410031979.9A patent/CN103792975A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201576218U (en) * | 2009-12-22 | 2010-09-08 | 广东星河生物科技股份有限公司 | Temperature and humidity controller |
| CN202524834U (en) * | 2012-04-13 | 2012-11-14 | 浙江同济科技职业学院 | Temperature/humidity control and water-saving irrigation system for greenhouse |
| 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 |
| CN203117746U (en) * | 2013-01-29 | 2013-08-07 | 浙江海洋学院 | Greenhouse control device |
| CN203232340U (en) * | 2013-04-27 | 2013-10-09 | 杨茹 | Automatic control system for temperature and humidity of booth |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160349769A1 (en) * | 2015-05-26 | 2016-12-01 | Aram Solution Co., Ltd. | Management system for vinyl greenhouse and method for processing thereof |
| CN105325216A (en) * | 2015-10-30 | 2016-02-17 | 鑫晟(长泰)温室科技有限公司 | Greenhouse for flower planting |
| CN105325216B (en) * | 2015-10-30 | 2019-06-07 | 鑫晟(长泰)温室科技有限公司 | A kind of flower planting greenhouse |
| CN108107952A (en) * | 2016-11-24 | 2018-06-01 | 中航贵州飞机有限责任公司 | Humiture automatically controls and management system |
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Application publication date: 20140514 |