CN212414061U

CN212414061U - Greenhouse roller shutter control teaching experiment hardware platform based on PLC (programmable logic controller)

Info

Publication number: CN212414061U
Application number: CN202021076309.6U
Authority: CN
Inventors: 宋卫海; 廖希杰; 徐现乐; 刘瑞敏; 王富升; 乔大壮; 刘雨生; 郭永鹏; 李凯歌; 李昊霖
Original assignee: Shandong Agriculture and Engineering University
Current assignee: Shandong Agriculture and Engineering University
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-01-29
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a big-arch shelter is rolled up curtain control teaching experiment hardware platform based on PLC controller, the PLC controller is connected with sensor module, camera, driver, communication module, face identification floodgate machine, electric fan heater, ventilation blower, display screen, humidifier, air-cooler and light filling lamp respectively. The driver is connected with the curtain rolling machine. The communication module is connected with the mobile terminal. The sensor assembly, comprising: temperature sensor, level sensor, wind speed sensor, humidity transducer and ultraviolet sensor.

Description

Greenhouse roller shutter control teaching experiment hardware platform based on PLC (programmable logic controller)

Technical Field

The utility model relates to a teaching experiment technical field especially relates to big-arch shelter is rolled up curtain control teaching experiment hardware platform based on PLC controller.

Background

The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The greenhouse plays an important role in agricultural production, can play an active role in protecting crops particularly in the case of climate change or high temperature, and can increase the yield by reasonable utilization. With the development of economy and technology, more and more farmers start to adopt greenhouse curtain rolling machines which drive the moving direction of a rolling curtain by positive rotation or negative rotation of a motor. However, the electric motor is difficult to control in forward rotation and reverse rotation by using the electric element, so that the working process of the agricultural machine is realized by using the small PLC, the temperature of the greenhouse can be controlled in time, and the economic benefit is improved.

The plastic greenhouse is widely applied in rural areas, the development of rural economy is greatly promoted, in order to be suitable for the growth of crops in the plastic greenhouse, the temperature and the humidity in the greenhouse are required to be regularly adjusted, so that the heat preservation of some greenhouses is always required to be covered on the top of the greenhouse in order to preserve heat in the night of winter, the necessary heat insulation and preservation effects are achieved, in the daytime, the heat preservation is required to be rolled up, the film of the greenhouse is under the sunshine to warm and preserve heat, the traditional heat preservation is rolled up by manpower, so the labor intensity is high, the working efficiency is low, although some places also adopt some manual tools or electric tools to roll up the heat preservation quilt, the unreasonable design of the greenhouse causes that the whole heat preservation quilt cannot be synchronously rolled up, and the convenience is still insufficient, the greenhouse is not fast enough and labor-saving, if the greenhouse is rolled up untimely and not straight, the greenhouse still needs to be pressed or pulled by ropes, particularly, the greenhouse is large, when the length is long, people need to roll the heat preservation quilt section by section, time and labor are wasted, in addition, along with the progress of science and technology, the greenhouse adopts more and more high-tech means for automatic control, a manual device cannot be matched with an automatic controller, automatic management and production are realized, so that the greenhouse has the defect of being large, and people need to make further improvement.

The inventor finds that the intelligent greenhouse rolling curtain and the film rolling machine control system which are relatively professional are still lacked in the field of experimental teaching so far, and the student can not control the rolling curtain of the greenhouse in the teaching experiment process.

Disclosure of Invention

In order to solve the defects of the prior art, the utility model provides a greenhouse roller shutter control teaching experiment hardware platform based on a PLC controller; the utility model discloses better embodies the multifaceted nature of plc control, makes things convenient for going on of teaching process to a plurality of experiments.

It should be noted that, the utility model provides a green house rolls up curtain control hardware platform construction scheme based on PLC controller, to each equipment monomer wherein related, its realization should realize that the specific structure of function separately exists in prior art, and the agreement, software or the procedure that relate when carrying out the work processing between it also exists in prior art, and the technical personnel in the field have fully known, the utility model discloses do not make any improvement to the monomer of each equipment, consequently do not relate to the content of software, rely on each part integration, integration into a whole of organic, provide a construction scheme promptly.

In a first aspect, the utility model provides a greenhouse roller shutter control teaching experiment hardware platform based on a PLC controller;

big-arch shelter is rolled up curtain control teaching experiment hardware platform based on PLC controller includes:

the PLC controller is connected with the sensor assembly, the camera, the driver, the communication module, the face recognition gate, the fan heater, the ventilator, the display screen, the humidifier, the air cooler and the light supplement lamp respectively.

Further, the driver is connected with the curtain rolling machine.

Further, the communication module is connected with the mobile terminal.

Further, the sensor assembly includes: temperature sensor, level sensor, wind speed sensor, humidity transducer and ultraviolet sensor.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model aims at providing a hardware configuration different from prior art makes the technical staff realize further development under such hardware configuration, the utility model discloses need not rely on software to realize, only judge through the high-low level of chip pin and can realize the function, the utility model provides a new chip connected mode hardware configuration mode for the technical staff can carry out more convenient development process under such hardware configuration.

The data of the sensors are transmitted to a PLC control center by the sensors, and the function of rolling the curtain and the film is realized by controlling various conditions in the greenhouse. The utility model has the advantages of intelligent height, capability of being adjusted at any time, multiple functionality, convenience, rapidness and the like.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic diagram of a hardware connection relationship according to the first embodiment.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Description of terms:

programmable Logic Controller (PLC), a digital electronic device with microprocessor, is used for automatic control digital Logic Controller, and can load control instructions into memory at any time for storage and execution. The programmable controller is modularly assembled by an internal CPU, an instruction and data memory, an input/output unit, a power module, a digital analog unit and the like.

Example one

The embodiment provides a greenhouse roller shutter control teaching experiment hardware platform based on a PLC (programmable logic controller);

as shown in fig. 1, the teaching experiment hardware platform of greenhouse roller shutter control based on PLC controller includes:

Further, the driver is connected with the curtain rolling machine.

Further, the communication module is connected with the mobile terminal.

Further, the temperature sensor, the wind speed sensor, the humidity sensor and the ultraviolet sensor are arranged on the inner side of the top of the greenhouse.

Furthermore, the water level sensor is arranged on the side surface of the greenhouse away from the ground at a set position.

Further, the camera is installed at the inner side of the top of the greenhouse.

Further, the face recognition gate is installed at the position of the greenhouse door.

Furthermore, the fan heater, the ventilator, the display screen, the humidifier and the air cooler are installed on the side face of the greenhouse.

Furthermore, the light filling lamp is installed on the inner side of the top of the greenhouse.

Further, the model of the PLC controller is as follows: 6ES 7214-1 AD23-0XB 8. The PLC is used for receiving temperature data, water level data, wind speed data, humidity data and ultraviolet data collected by the sensor assembly, and outputting work starting or stopping instructions to the camera, the driver, the communication module, the fan heater, the ventilator, the display screen, the humidifier, the air cooler and the light supplementing lamp according to the collected data.

Further, the type of the temperature sensor is as follows: MF 52B-102-.

Further, the type of the water level sensor is as follows: cb-y11588 stainless steel.

Further, the model of the wind speed sensor is as follows: FST 200-1002.

Further, the type of the humidity sensor is as follows: VMS-3000-TR.

Further, the ultraviolet sensor has the following types: RGT-UVC-KG.

Further, the model of the camera is: SPT-HK 500P.

Further, the model of the driver is: SH-D08R. The driver is used for driving the rolling shutter machine to work.

Further, the communication module is: wireless communication solutions such as a wireless local area network, Bluetooth, a global navigation satellite system GNSS, a frequency modulation FM, a near field communication technology NFC, an infrared technology IR and the like.

Further, the model of the face recognition gate is as follows: and the HC-SJP07S is installed at the doorway of the greenhouse and is used for preventing non-workers from entering the greenhouse.

Further, the warm air blower is of the following types: JSDR-GR.

Further, the model of the ventilator is: type 550 (370W-6P).

Further, the display screen includes: curved screens, flat screens or folding screens.

Further, the model of the humidifier is: ZS-30Z.

Further, the model of air-cooler is: MAC-85.

Further, the model of light filling lamp is: FY-B50W.

The operating principle of big-arch shelter roller shutter control teaching experiment hardware platform based on PLC controller includes:

the temperature sensor collects temperature data in the greenhouse and transmits the temperature data to the PLC, and the PLC controls the warm air blower or the cold air blower to work according to the temperature data;

the humidity sensor collects humidity data in the greenhouse and transmits the humidity data to the PLC, and the PLC controls the ventilator or the humidifier to work according to the humidity data;

the water level sensor collects water level data in the greenhouse and transmits the water level data to the mobile terminal through the communication module;

the wind speed sensor collects wind speed data in the greenhouse and transmits the wind speed data to the PLC, and the PLC controls the ventilator to work or stop working according to the wind speed data.

Ultraviolet ray sensor gathers the ultraviolet ray data in the big-arch shelter to give PLC controller with ultraviolet ray data transmission, PLC controller is according to ultraviolet ray data, and the control light filling lamp carries out work or stop work.

The camera collects image data of crops in the greenhouse and transmits the image data to the mobile terminal through the communication module.

The PLC controller also receives an instruction of the mobile terminal, and drives the curtain rolling machine to roll or release the curtain through the driver.

The face recognition gate machine is used for carrying out face recognition on personnel who enter and exit the greenhouse.

The design adopts two operation modes in the operation process, namely a manual operation mode and an automatic operation mode, and under the automatic mode, the intelligent greenhouse roller shutter control teaching experiment hardware platform based on the PLC controller adopts a mode of periodically carrying out PLC control, is separated from manual operation, and has the advantages of convenience and quickness;

the manual mode is that when some emergency such as emergency situations appear in the operation of the greenhouse roller shutter control teaching experiment hardware platform based on the PLC controller, the work of the executive device is controlled through manual operation.

In automatic work, if the detected temperature is higher than a set value, the PLC sends out corresponding instructions to control the opening of the roller shutter, the ventilator and the air cooler;

if the measured value is equal to the set value, the current situation is kept;

and if the measured value is lower than the set value, closing the roller shutter and opening the fan by the side window for heating.

If the detected humidity is higher than the set value, the PLC sends corresponding instructions to control the opening of the skylight, the side window and the heater; if the measured value is equal to the set value, the current situation is kept;

and if the measured value is lower than the set value, closing the skylight and the side window, and opening the wet curtain for humidification. When the illumination of the greenhouse is lower than a set value, the system opens the sun-shading curtain or opens the light supplement lamp; when the illumination of the greenhouse is higher than a set value, the system closes the sun-shading curtain or the light supplementing lamp.

The design has the characteristics of low cost, resource saving, yield improvement and realization of economic value maximization.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. Big-arch shelter is rolled up curtain control teaching experiment hardware platform based on PLC controller, characterized by includes:

2. The hardware platform of claim 1, wherein the driver is coupled to a roller blind machine.

3. The hardware platform of claim 1, wherein the communication module is coupled to a mobile terminal.

4. The hardware platform of claim 1, wherein the sensor assembly comprises: temperature sensor, level sensor, wind speed sensor, humidity transducer and ultraviolet sensor.

5. The hardware platform of claim 4, wherein said temperature sensor, humidity sensor and ultraviolet sensor are mounted inside the top of the greenhouse.

6. The hardware platform of claim 4, wherein the water level sensor is installed on the side of the greenhouse at a predetermined distance from the ground.

7. The hardware platform of claim 1, wherein said camera is mounted inside the top of the greenhouse.

8. The hardware platform of claim 1, wherein the face recognition gate is installed at a doorway of a greenhouse.

9. The hardware platform of claim 1, wherein the fan heater, ventilator, display screen, humidifier, and air cooler are mounted to the side of the greenhouse.

10. The hardware platform of claim 1, wherein the fill light is mounted inside the top of the greenhouse.