CN214282449U

CN214282449U - Intelligent greenhouse automatic watering system based on PLC control

Info

Publication number: CN214282449U
Application number: CN202022296655.1U
Authority: CN
Inventors: 韦湛兰; 韦红美; 杨娟; 曾丽颖; 梁进; 廖应学; 黄凤记; 何建勇
Original assignee: Baise Vocational College
Current assignee: Baise Vocational College
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-09-28
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses an intelligence automatic watering system for big-arch shelter based on PLC control, including the big-arch shelter, the upside of big-arch shelter is equipped with a plurality of horizontal support rails, and the lower extreme of supporting the rail all is equipped with the support frame, and the book curtain motor is installed to the inside upper end of support frame, and it has a roll curtain roller to roll up the curtain motor through the coupling joint, and the winding has a roll curtain on the roll curtain roller, and the lower extreme of roll curtain is equipped with fore-and-aft counterweight rod, the utility model discloses a PLC control box is control core, with temperature and humidity sensor, soil moisture sensor as real-time acquisition device, utilizes the value that the PLC control box set for to judge to roll curtain, shade curtain, water pump, heater as the executive device, real-time regulation temperature and humidity, soil moisture of big-arch shelter make humiture, soil moisture of big-arch shelter remain throughout in the scope of setting for.

Description

Intelligent greenhouse automatic watering system based on PLC control

Technical Field

The utility model relates to an intelligence big-arch shelter specifically is an intelligence big-arch shelter is with automatic watering system based on PLC control.

Background

The intelligent greenhouse has the advantages that the intelligent control system is applied to greenhouse planting, the most advanced biological simulation technology is utilized, the environment most suitable for growth of plants in the greenhouse is simulated, various environmental indexes of the greenhouse are sensed by adopting temperature, humidity, CO2, a light intensity sensor and the like, data analysis is carried out through a microcomputer, and facilities such as a water curtain, a fan, a sun shield and the like in the greenhouse are monitored by the microcomputer, so that the biological growth environment in the greenhouse is changed.

Disclosure of Invention

An object of the utility model is to provide an intelligence automatic watering system for big-arch shelter based on PLC control, the utility model provides a following technical scheme:

an automatic watering system for an intelligent greenhouse based on PLC control comprises a greenhouse, wherein a plurality of transverse supporting rails are arranged on the upper side of the greenhouse, supporting frames are arranged at the lower ends of the supporting rails, a roller shutter motor is mounted at the upper end inside the supporting frames and connected with a roller shutter roller through a coupling, a roller shutter is wound on the roller shutter roller, a longitudinal counterweight rod is arranged at the lower end of the roller shutter, longitudinal water channels are arranged on the outer sides of the supporting frames, grid covers are arranged at the upper ends of the water channels, the front ends of the water channels are communicated with a water tank, a water pump is mounted at the middle lower part of the water tank and connected with a water tank above the water pump through a pipeline, a drip irrigation pipe is connected at the lower end of the water tank through a pipeline, fertilizer can be configured through the water tank, drip irrigation is uniformly carried out, and the humidity of soil is changed;

the greenhouse comprises a supporting rail, a belt wheel, a roller, a shade curtain, a fixing piece, a heater, a plurality of sensor boxes, a PLC control box, a gear, a shade curtain motor, a belt wheel, a roller wheel, a shade curtain, a belt, a middle upright post, a plurality of sensor boxes and a PLC control box, wherein the rack is arranged on one side opposite to the supporting rail, the gear is meshed with the gear, the gear is connected with the shade curtain motor through a coupling, the belt wheel is installed on a rotating shaft of the shade curtain motor, the belt wheel is connected with the roller wheel above through the belt, the shade curtain is wound on the outer side of the roller wheel, the upper end of the shade curtain is fixed on the fixing piece, the fixing piece is fixed at the top end of the greenhouse, the roller wheel is driven to rotate through the rotation of the shade curtain motor, the shade curtain is released or folded, the shade curtain is used for shielding sunlight and is used for reducing the temperature in the greenhouse at noon, the top of the greenhouse is fixed downwards through the middle upright post, the heater is fixed on one side of the middle upright post, the heater is used for changing the temperature in the greenhouse through converting electric power into heat, the temperature, the greenhouse, the sensor boxes are arranged in the greenhouse, the PLC control box is arranged in the greenhouse, the other side of the middle upright post, the PLC control box is connected with an alarm and a power module, and the PLC control box is electrically connected with the sensor box, the roller shutter motor, the shading curtain motor, the water pump and the heater and is used for intelligently controlling the environment in the greenhouse.

As a further scheme of the utility model, roll up the curtain and make by impervious film material, and the below of counterweight rod is equipped with to the recess that matches, and the length of counterweight rod is greater than the distance between the support frame for the open-ended size between the adjustment support frame, and then the inside and outside air flow of adjustment big-arch shelter.

As the utility model discloses scheme further again, the junction of water tank and ditch is equipped with filter equipment, and filter equipment comprises a plurality of interlayers, is filter screen layer, grit layer, activated carbon layer in proper order, collects and filters the rainwater.

As the utility model discloses scheme further again, both ends all are fixed with the guide pulley around the running roller, and the guide pulley joint is in the guide rail, and the guide rail is located the upside of supporting the rail for the motion of restriction running roller.

As the utility model discloses further scheme again, the temperature and humidity sensor of upper end, CO2, light intensity sensor and the soil moisture sensor of lower extreme are drawn together to the sensor case for the environment in the control big-arch shelter.

As the utility model discloses further scheme again, the PLC control box has host computer monitoring software, intelligent terminal, thing networking and high in the clouds platform through wireless connection, mainly can monitor entire system on the monitor interface, the operation of real time monitoring entire system to accessible thing networking carries out remote monitoring to intelligent big-arch shelter.

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

1. the utility model discloses a PLC control box is control core to temperature and humidity sensor, soil moisture sensor judge as real-time collection device, utilize the value that the PLC control box set for to roll up the curtain, hide cloudy curtain, water pump, heater as the executive device, adjust the humiture, the soil moisture of big-arch shelter in real time, make humiture, the soil moisture of big-arch shelter remain throughout the within range of setting for.

2. The utility model discloses an upper computer monitoring software carries out remote monitoring, the operation of the whole system of real time monitoring to accessible thing networking carries out remote monitoring to intelligent big-arch shelter.

Drawings

Fig. 1 is a schematic structural diagram of an automatic watering system for an intelligent greenhouse based on PLC control.

Fig. 2 is a partially enlarged structural diagram of a in fig. 1.

Fig. 3 is a schematic view of a local three-dimensional structure of a support rail in an automatic watering system for an intelligent greenhouse based on PLC control.

In the figure: 1. a PLC control box; 2. a greenhouse; 3. rolling a curtain; 4. a shade curtain; 5. a water pump; 6. a heater; 7. a sensor case; 8. a water tank; 9. a water tank; 10. a drip irrigation pipe; 11. a middle upright post; 12. a support rail; 13. a roller; 14. a rack; 15. a guide rail; 16. a fixing member; 17. a counterweight rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, in the embodiment of the present invention, an automatic watering system for an intelligent greenhouse based on PLC control comprises a greenhouse 2, wherein a plurality of horizontal support rails 12 are disposed on the upper side of the greenhouse 2, support frames are disposed on the lower ends of the support rails 12, a roller blind motor is mounted on the upper end of the interior of each support frame, the roller blind motor is connected to a roller blind roller through a coupling, a roller blind 3 is wound on the roller blind roller, a longitudinal weight rod 17 is disposed on the lower end of the roller blind 3, the roller blind 3 is made of a wind-proof film material, a groove matched with the inner side of each weight rod 17 is disposed below the weight rod 17, the length of each weight rod 17 is greater than the distance between the support frames for adjusting the size of an opening between the support frames, so as to adjust the air flow inside and outside the greenhouse 2, a longitudinal water channel is disposed on the outer side of each support frame, a grid cover is disposed on the upper end of the water channel, the front end of the water channel is communicated with a water tank 8, a filtering device is arranged at the joint of the water tank 8 and the canal, the filtering device consists of a plurality of interlayer layers, namely a filtering net layer, a sand layer and an activated carbon layer which are sequentially used for collecting and filtering rainwater, a water pump 5 is arranged at the middle lower part of the water tank 8, the water pump 5 is connected with an upper water tank 9 through a pipeline, the lower end of the water tank 9 is connected with a drip irrigation pipe 10 through a pipeline, fertilizer can be configured through the water tank 9, drip irrigation is uniformly carried out, and the humidity of soil is further changed;

the greenhouse comprises a supporting rail 12, a rack 14 is arranged on one side opposite to the supporting rail 12, the rack 14 is fixed on the lower side of the supporting rail 12, a gear is meshed with the rack 14, the gear is connected with a shade curtain motor through a coupler, a belt pulley is installed on a rotating shaft of the shade curtain motor, the belt pulley is connected with a roller 13 above through a belt, the outer side of the roller 13 is wound with a shade curtain 4, the upper end of the shade curtain 4 is fixed on a fixing part 16, the fixing part 16 is fixed at the top end of a greenhouse 2, guide wheels are fixed at the front end and the rear end of the roller 13, the guide wheels are clamped in guide rails 15, the guide rails 15 are located on the upper side of the supporting rail 12 and used for limiting the movement of the roller 13, the roller 13 is driven to rotate through the rotation of the shade curtain motor, the shade curtain 4 is released or retracted to shield sunlight and used for reducing the temperature in the greenhouse 2 at noon, the top of the greenhouse 2 is fixed downwards through a middle upright post 11, a heater 6 is fixed on one side of a middle upright post 11, the heater 6 is used for changing the temperature in the greenhouse 2 by converting electric power into heat, a plurality of sensor boxes 7 are arranged in the greenhouse 2, each sensor box 7 comprises a temperature and humidity sensor at the upper end, CO2, a light intensity sensor and a soil humidity sensor at the lower end and is used for monitoring the environment in the greenhouse 2, a PLC control box 1 is arranged on the other side of the middle upright post 11, the PLC control box 1 is connected with an alarm and a power module, the PLC control box 1 is electrically connected with the sensor boxes 7, a roller shutter motor, a shade shutter motor, a water pump 5 and the heater 6 and is used for intelligently controlling the environment in the greenhouse 2, the PLC control box 1 is wirelessly connected with upper computer monitoring software, an intelligent terminal, an internet of things and a cloud platform, the whole system can be monitored on a monitoring interface, and the operation of the whole system can be monitored in real time, and can remotely monitor the intelligent greenhouse through the Internet of things.

The utility model discloses a theory of operation is: during the use, the data that pass back through sensor case 7, environment in the 2 big-arch shelters of PLC control box 1 control, when soil moisture sensor monitors soil moisture and is less than the setting value, PLC control box 1 control water pump 5 starts, draw water to in the basin 9 from the water tank 8, get into through basin 9 and drip irrigation in the pipe 10, water the soil in the big-arch shelter 2, after reaching the setting value, close water pump 5, temperature and humidity are monitored to the humiture sensor in the sensor case 7 simultaneously, improve the temperature through heater 6, hide the shade curtain 4 through hiding the release of shade curtain 4 motor, keep the temperature in the big-arch shelter 2, and simultaneously, through the degree of opening of rolling up curtain motor 3 control rolling curtain 3, change big-arch shelter 2 and external circulation of air speed, and then reduce the temperature in the big-arch shelter 2.

The utility model discloses a PLC control box 1 is control core to temperature and humidity sensor, soil moisture sensor judge as real-time collection device, utilize the value that PLC control box 1 set for, with roll up curtain 3, shade curtain 4, water pump 5, heater 6 as the executive device, adjust the humiture, the soil moisture of big-arch shelter 2 in real time, make the humiture, the soil moisture of big-arch shelter 2 remain throughout at the within range of setting for. Meanwhile, remote monitoring is carried out through upper computer monitoring software, the operation of the whole system is monitored in real time, and remote monitoring can be carried out on the intelligent greenhouse 2 through the Internet of things.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The automatic watering system based on PLC control for the intelligent greenhouse comprises a greenhouse (2) and is characterized in that a plurality of transverse supporting rails (12) are arranged on the upper side of the greenhouse (2), supporting frames are arranged at the lower ends of the supporting rails (12), a roller shutter motor is mounted at the upper end inside the supporting frames and is connected with a roller shutter roller through a coupling, a roller shutter (3) is wound on the roller shutter roller, a longitudinal counterweight rod (17) is arranged at the lower end of the roller shutter (3), longitudinal water channels are arranged on the outer sides of the supporting frames, grid covers are arranged at the upper ends of the water channels, the front ends of the water channels are communicated with a water tank (8), a water pump (5) is mounted at the middle lower part of the water tank (8), the water pump (5) is connected with a water tank (9) above through a pipeline, and the lower ends of the water channels (9) are connected with a drip irrigation pipe (10) through a pipeline;

the greenhouse is characterized in that a rack (14) is arranged on one side, opposite to the support rail (12), of the support rail (12), the rack (14) is fixed on the lower side of the support rail (12), a gear is meshed with the rack (14), the gear is connected with a shading curtain motor through a coupler, a belt pulley is installed on a rotating shaft of the shading curtain motor, the belt pulley is connected with a roller (13) above the shading curtain motor through a belt, a shading curtain (4) is wound on the outer side of the roller (13), the upper end of the shading curtain (4) is fixed on a fixing part (16), the fixing part (16) is fixed at the top end of the greenhouse (2), the top of the greenhouse (2) is fixed downwards through a middle upright post (11), a heater (6) is fixed on one side of the middle upright post (11), a plurality of sensor boxes (7) are arranged in the greenhouse (2), a PLC control box (1) is arranged on the other side of the middle upright post (11), and the PLC control box (1) is connected with an alarm and a power supply module, the PLC control box (1) is electrically connected with the sensor box (7), the roller shutter motor, the shading curtain motor, the water pump (5) and the heater (6).

2. The PLC-based automatic watering system for the intelligent greenhouse, which is characterized in that the roller shutters (3) are made of a wind-proof film material, grooves matched with each other are formed below the weight rods (17), and the length of the weight rods (17) is larger than the distance between the supporting frames.

3. The PLC-based intelligent automatic watering system for greenhouses is characterized in that a filtering device is arranged at the joint of the water tank (8) and the ditch, and the filtering device consists of a plurality of interlayer layers which are a filtering net layer, a sand layer and an activated carbon layer in sequence.

4. The PLC-control-based automatic watering system for the intelligent greenhouse as claimed in claim 1, wherein guide wheels are fixed at the front end and the rear end of the roller (13), the guide wheels are clamped in guide rails (15), and the guide rails (15) are positioned on the upper sides of the support rails (12).

5. The PLC-control-based automatic watering system for the intelligent greenhouse, which is characterized in that the sensor box (7) comprises an upper temperature and humidity sensor, a CO2 sensor, a light intensity sensor and a lower soil humidity sensor.

6. The automatic watering system for the intelligent greenhouse based on PLC control of claim 1, wherein the PLC control box (1) is wirelessly connected with upper computer monitoring software, an intelligent terminal, an Internet of things and a cloud platform.