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Greenhouse temperature and humidity control device

A temperature and humidity control and humidity control technology, applied in non-electric variable control, control/regulation systems, and simultaneous control of multiple variables, etc., can solve the problems of insufficient fine-tuning, inconsistent temperature and humidity, etc., achieving high accuracy and reducing The effect of high workload and intelligence

Inactive Publication Date: 2020-02-14
NINGBO BIGDRAGON AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, this solution can only adjust the temperature of the entire greenhouse as a whole; the adjustment is not fine enough, and due to the large space in the greenhouse, it is easy to cause the temperature and humidity in each area to be inconsistent. At this time, each area needs to be individually adjusted.

Method used

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  • Greenhouse temperature and humidity control device
  • Greenhouse temperature and humidity control device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The greenhouse temperature and humidity control device of this embodiment includes a temperature and humidity acquisition module, a control module, a temperature regulation module and a humidity regulation module.

[0039] The temperature and humidity collection module is used to collect temperature data and humidity data; each area of ​​the greenhouse corresponds to a temperature and humidity collection module; in this embodiment, the temperature and humidity collection module uses a temperature and humidity sensor. Specifically, a DHT11 digital temperature and humidity sensor is used.

[0040] like figure 1 As shown, the temperature adjustment module includes a hot air blower 1, a main air delivery pipe 2, several auxiliary air delivery pipes 3, a hot air nozzle 4 and a hot air control valve. Hot air blower 1 is installed on the ground of greenhouse, can be installed in the outside of greenhouse, also can be installed in the inside of greenhouse. The auxiliary air d...

Embodiment 2

[0052] The difference between this embodiment and Embodiment 1 is that the atomizing nozzle 8 in this embodiment includes a funnel-shaped water inlet 9 and a water outlet 10 ; the water inlet 9 and the water outlet 10 are connected. Specifically, such as figure 2 As shown, when the atomizing nozzle 8 is placed vertically, the water inlet 9 is in the shape of a funnel placed upright, the water outlet 10 is in the shape of an inverted funnel, and the outer wall of the water inlet 9 is integrally formed with external threads; the outer wall of the water outlet 10 is provided with Ring groove 11. When it is necessary to install the annular cover on the atomizing nozzle 8, the annular cover can be embedded in the annular groove 11 to realize fixing.

[0053] The inner wall of the water inlet 9 is also integrally formed with an annular protrusion 12; a circular filter 13 is placed horizontally in the water inlet 9, and the filter 13 is matched with the inner wall of the water inle...

Embodiment 3

[0056] The difference between this embodiment and Embodiment 1 is that this embodiment also includes a connection module.

[0057] like image 3 As shown, the connection module includes an air booster pump 14, a connecting pipe 15 and a check valve 16; the air booster pump 14 includes an air inlet port and an exhaust port; the check valve 16 includes an inlet port and an outlet port; the air booster pump The air inlet end of 14 is flange-connected with the auxiliary air delivery pipe 3, specifically, the upper flange of the auxiliary air delivery pipe 3 is connected with a three-way pipe, and the air inlet end of the air booster pump 14 is flange-connected with one end of the three-way pipe .

[0058] The exhaust end of the air booster pump 14 is flange-connected to one end of the connecting pipe 15, the other end of the connecting pipe 15 is flange-connected to the inlet end of the check valve 16, and the outlet end of the check valve 16 is fixed to the auxiliary water pipe ...

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Abstract

The invention relates to the technical field of temperature and humidity control, and particularly discloses a greenhouse temperature and humidity control device. The device comprises a humidity acquisition module for acquiring temperature data and humidity data, and each area of a greenhouse corresponds to one temperature and humidity acquisition module; and the greenhouse temperature and humidity control device further comprises a control module used for acquiring temperature data and humidity data from each temperature and humidity acquisition module and respectively determining whether thetemperature data and the humidity data of the corresponding area meet the temperature requirement and the humidity requirement of crops or not; if the temperature data does not meet the temperature requirements of the crops, the control module is further used for sending a temperature control instruction to a hot air control valve in the corresponding area; and if the humidity data does not meetthe humidity requirements of the crops, the control module is further used for sending a humidity control instruction to atomization control valves in the corresponding areas. By the adoption of the technical scheme, all the areas in the greenhouse can be independently adjusted.

Description

technical field [0001] The invention relates to the technical field of temperature and humidity control, in particular to a greenhouse temperature and humidity control device. Background technique [0002] Intelligent crop seedling cultivation has the advantages of large scale, labor-saving and cost-saving, and good benefits. It can provide important guarantees for the introduction, testing, demonstration, promotion of excellent new varieties, and increase the breeding rate. It can also save land resources and ensure the quality of seedlings. Has great development prospects. [0003] The suitable temperature for crop growth and development is usually between 20-30°C, and the humidity is usually between 40%-80%. The greenhouse creates a closed independent environment for the growth of crops. In this independent space, not only the rate of diffusion and loss of carbon dioxide slows down, but also has a certain heat preservation effect; moreover, by adjusting the temperature a...

Claims

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Application Information

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IPC IPC(8): G05D27/02
CPCG05D27/02
Inventor 庞利民
Owner NINGBO BIGDRAGON AGRI TECH
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