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Automatic greenhouse control system

A control system and greenhouse technology, applied in general control systems, control/regulation systems, non-electric variable control, etc., can solve the problems of limited production efficiency, difficult to detect and diagnose, unable to realize intelligent operation, etc., to achieve resource sharing, Improve production efficiency and achieve the effect of scientific and precise production

Inactive Publication Date: 2020-09-29
中以(酒泉)绿色生态产业园有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the existing technology, the production management of the greenhouse cannot meet the needs of digital monitoring of environmental factors and real-time change of environmental factors. The relevant equipment in the greenhouse is manually operated, which cannot realize intelligent operation. According to past experience, there is no relatively scientific and stable reference standard, it is difficult to achieve scientific and precise management, and the production efficiency is limited. In addition, when some intractable diseases occur in crops, it is difficult to detect and diagnose them in time

Method used

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Comparison scheme
Effect test

Embodiment approach 1

[0017] Embodiment 1: The temperature and humidity sensor, camera unit, light sensor and gas detection unit in the greenhouse perform multi-point real-time dynamic collection of the temperature and humidity level, light intensity, gas content and crop growth status in the greenhouse, and the collected data The signal enters the PLC controller through the bus, and the PLC controller processes and analyzes the data, and sends out instructions to drive the spraying device, heating device, roller shutter mechanism, ventilation device, and fertilization device to respond accordingly. The touch screen on the control box displays the temperature, humidity, illuminance and other values ​​in the greenhouse in real time, which can show the whole picture of the greenhouse data more clearly. The control mode of the control box can be controlled manually or automatically, and the operation authority management can be set. A single greenhouse control box can complete the control function ind...

Embodiment approach 2

[0018] Implementation mode 2: The central computer connects the control boxes of the various greenhouses through the optical fiber network to form a local centralized monitoring and control platform, and displays the collected data information to the user in the form of a real-time curve, and generates history according to the year, month, and day parameters as required The report is convenient for analyzing the operation of the greenhouse to make improvements and improve the production efficiency of the greenhouse. The staff set the temperature, humidity and other parameter limits according to the specific conditions in the greenhouse. If the monitoring results exceed the set threshold, the system will automatically send out an alarm to remind the staff. The system can be extended to view and control on other computers and mobile phones on the Internet through the intercity network to realize remote control.

Embodiment approach 3

[0019] Embodiment 3: The camera device transmits the growth status of the crops in the greenhouse to the local area network in real time in the form of video. The relevant crop experts can check the growth status of the crops in time through the PC software or the mobile phone APP. Make scientific judgments, diagnose and treat in time, and achieve effective prevention and control.

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Abstract

The invention relates to an automatic greenhouse control system, which comprises control boxes installed in greenhouses, wherein each control box is composed of a PLC, a touch display screen, an air switch, an alternating current contactor, a switching power supply and a wiring terminal; the input end of the PLC in the control box is connected with a sensing unit; the sensing unit is composed of atemperature and humidity sensor, a camera device, a light sensor and a gas detection unit, the output end of the PLC is sequentially connected with an execution device and a protection device throughsignal lines, and the execution device is composed of a spraying device, a heating device, a roller shutter mechanism, a ventilation device and a fertilization device; the protection device is composed of a limit switch, an electric appliance switch, a liquid level switch, a series of valves and an alarm device, the PLC is connected with a central computer and a mobile phone APP through a network, and PC control software is installed on the central computer. According to the invention, the production efficiency can be improved, intelligent control is realized, resource sharing is realized, and remote control is realized.

Description

technical field [0001] The invention relates to the technical field of agricultural production, in particular to an automatic greenhouse control system. Background technique [0002] As we all know, greenhouses are widely used in the cultivation of some economic crops. Through greenhouses, some off-season crops can be planted to ensure the living needs of residents. The growth of crops in the greenhouse is affected by many factors, such as air temperature, air humidity, light intensity, soil temperature, soil humidity, soil pH, the concentration of carbon dioxide and oxygen in the air, etc. Therefore, grasping the growing environment of crops in the greenhouse in time has important guiding significance for the management of the greenhouse. However, in the existing technology, the production management of the greenhouse cannot meet the needs of digital monitoring of environmental factors and real-time change of environmental factors. The relevant equipment in the greenhouse ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D27/02G05B19/418G01D21/02
CPCG01D21/02G05B19/4183G05D27/02
Inventor 李福兴
Owner 中以(酒泉)绿色生态产业园有限公司