Agricultural greenhouse carbon dioxide air fertilizer controller integrated equipment

Abstract

The utility model discloses carbon dioxide air fertilizer controller integrated equipment for an agricultural greenhouse. The carbon dioxide air fertilizer controller integrated equipment comprises a sensor, a local area wireless module, a wireless networking module, a metering electromagnetic valve and a control module, the sensor is installed in the greenhouse, is in wireless connection with the control module through the local wireless module and is used for collecting temperature, humidity, illuminance and carbon dioxide concentration in the greenhouse; the control module is electrically connected with the wireless networking module and used for being connected with the Internet of Things. The control module is electrically connected with the metering electromagnetic valve, and the two ends of the metering electromagnetic valve are communicated between the carbon dioxide supply pipe and the interior of the greenhouse. According to the utility model, the automatic management of the agricultural greenhouse is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the field of carbon dioxide detection, in particular to an agricultural greenhouse carbon dioxide gas fertilizer controller integrated device. Background Art

[0002] Fertilizers that are in a gaseous state at normal temperature and pressure are called gas fertilizers. Due to the strong diffusivity of carbon dioxide gas, carbon dioxide gas fertilizers are mainly used in greenhouses and plastic greenhouses. Applying carbon dioxide in a greenhouse can increase the intensity and efficiency of crop photosynthesis, promote root development, improve product quality, and significantly increase crop yields. Existing agricultural greenhouse carbon dioxide control is through manual control, which has problems such as low automation, high labor costs, and large errors. Therefore, there is a need for a device that can automatically manage carbon dioxide gas. Utility Model Content

[0003] Aiming at the defects in the prior art, the automation management of agricultural greenhouses is improved and the labor cost is reduced. The utility model provides an integrated device of a carbon dioxide gas fertilizer controller for an agricultural greenhouse, including a sensor, a local wireless module, a wireless networking module, a metering solenoid valve and a control module; the sensor is installed in the greenhouse, and the sensor is wirelessly connected to the control module through the local wireless module, and is used to collect the temperature, humidity, light intensity and carbon dioxide concentration in the greenhouse; the control module is electrically connected to the wireless networking module, and is used to connect to the Internet of Things; the control module is electrically connected to the metering solenoid valve, and the two ends of the metering solenoid valve are connected between the carbon dioxide gas supply pipe and the inside of the greenhouse.

[0004] The beneficial effect of this device is that the sensor collects the four parameters of temperature, humidity, light intensity and carbon dioxide concentration in the greenhouse, and sends the data to the control module. The control module realizes data transmission with the cloud platform of the server through the wireless networking module. The cloud platform determines the on-off of the metering solenoid valve according to the preset threshold value, and the control module executes it. The cloud platform supports the MQTT Internet of Things protocol. This device can be quickly deployed, integrated, and quickly installed and disassembled inside and outside the greenhouse, and is easy to maintain. It automatically controls the on-off of the metering solenoid valve according to the temperature, humidity, light intensity and carbon dioxide concentration in the greenhouse, that is, automatically replenishes the carbon dioxide in the greenhouse. It has a high degree of automation and greatly reduces the cost of manual management.

[0005] Preferably, it also includes a shell; the local wireless module and the wireless networking module are integrated into the control module, and the control module is located in the upper part of the shell. The antenna of the local wireless module and the antenna of the wireless networking module are both arranged on the top wall of the shell. The shell can provide a dry operating environment for each electronic component, and the shell is fixed at a certain position in the greenhouse to prevent moisture from corroding the circuit board. The antenna is externally placed, and the signal reception is more sensitive.

[0006] Preferably, a solar panel electrically connected to the control module is provided above the housing. The bottom of the solar panel is fixedly connected to the top wall of the housing through a bracket, and the control module is provided with a rechargeable power supply. The control module integrates a solar charging module, which charges the power supply through the solar panel, and the power supply supplies power to the control module, thus solving the problem of relying on wires for power supply.

[0007] Preferably, the metering solenoid valve is located at the lower part of the interior of the housing, and a maintenance cavity is provided in the middle of the housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0009] Figure 1 This is a schematic diagram of the structure of the agricultural greenhouse carbon dioxide gas fertilizer controller integrated device in this embodiment;

[0010] Figure 2 This is a circuit module block diagram of the agricultural greenhouse carbon dioxide gas fertilizer controller integrated device in this embodiment.

[0011] In the accompanying drawings, there are a metering solenoid valve 1, a control module 2, a solar panel 3, a housing 4, a bracket 5, an antenna 6, and a maintenance chamber 7. DETAILED DESCRIPTION

[0012] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.

[0013] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which the utility model belongs.

[0014] like Figure 1 and Figure 2 As shown, this embodiment provides an agricultural greenhouse carbon dioxide gas fertilizer controller integrated device, including a sensor, a local wireless module, a wireless networking module, a metering solenoid valve 1 and a control module 2. The control module 2 adopts a TH6500 controller. The control module 2 reserves water, wind, and electricity control interfaces for expansion of use as needed. The water, wind, and electricity control interfaces can be electrically connected to the control ends of the greenhouse's water fertilizer machine, fan, film rolling machine and other equipment to achieve integrated control.

[0015] The sensor in this embodiment can be powered by a power source such as a storage battery or a dry cell, or it can be powered by a low-voltage power line in the greenhouse, or a separate solar power supply device can be added. The power supply of the sensor and the controller do not affect each other. The sensor is installed in the greenhouse. The sensor can be one or more, depending on the area of ​​the greenhouse, which is not limited in this embodiment. The sensor is wirelessly connected to the control module 2 through a local wireless module, and is used to collect the temperature, humidity, illuminance and carbon dioxide concentration in the greenhouse. The local wireless module uses the existing lora wireless communication module.

[0016] Specifically, the sensor is a four-in-one integrated transmitter for carbon dioxide, temperature, humidity and illumination. The integrated transmitter uses the imported temperature and humidity chip SHT10, the digital ambient light sensor chip TSL4531 and the infrared CO2 sensor to detect the temperature, humidity, illumination and CO2 concentration in the current environment. It has the characteristics of wide range, easy use, easy installation and long transmission distance. It is mainly used in scenes where it is necessary to detect temperature, humidity, carbon dioxide, illumination and other scenes in the environment.

[0017] In this embodiment, the control module 2 is electrically connected to the metering solenoid valve 1, and the two ends of the metering solenoid valve 1 are connected between the carbon dioxide gas supply pipe and the inside of the greenhouse. That is, the control module 2 controls the on-off of the metering solenoid valve 1, thereby controlling the on-off between the carbon dioxide gas supply pipe and the greenhouse. The metering solenoid valve 1 is made of high-quality brass, which is resistant to high and low temperatures, corrosion, and high pressure. It can be used in large-scale applications in agricultural water, gas, and fertilizer control. It can be used as an automatic control for gas and fertilizer replenishment in agricultural greenhouses, and can also be used as an automatic control for water and fertilizer replenishment.

[0018] Metering solenoid valve 1 tightness test: withstand air pressure between 0.02MPa and 0.8MPa, static test for 30s, no leakage in the meter body and connection parts.

[0019] Metering solenoid valve 1 pressure test: can withstand a maximum pressure of 1.2MPa, lasting 1min of pressure strength test, without damage or leakage.

[0020] In this embodiment, the control module 2 is electrically connected to the wireless networking module for connecting to the Internet of Things. Specifically, the wireless networking module adopts a 4G wireless networking module, and the server cloud platform supports the MQTT Internet of Things protocol.

[0021] In order to facilitate the arrangement of the equipment, the present embodiment further includes a housing 4, the local wireless module and the wireless networking module are integrated in the control module 2, and the control module 2 is located in the upper part of the housing 4. The metering solenoid valve 1 is located in the lower part of the housing 4, and a maintenance cavity 7 is provided in the middle of the housing 4. That is, the maintenance cavity 7 is located between the control module 2 and the metering solenoid valve 1.

[0022] In this embodiment, the control module 2 is powered by solar energy, specifically, a solar panel 3 electrically connected to the control module 2 is provided above the housing 4. The bottom of the solar panel 3 is fixedly connected to the top wall of the housing 4 by a bracket 5, and the control module 2 is provided with a rechargeable power supply. The control module 2 integrates a solar charging module, which charges the power supply through the solar panel 3, and the power supply supplies power to the control module 2, solving the problem of relying on power wires. In addition, in order to make the wireless signal more stable, the antenna 6 of the local wireless module and the antenna 6 of the wireless networking module are both arranged on the top wall of the housing 4. That is, the antenna 6 is external, and the signal reception is more sensitive. The housing 4 can provide a dry operating environment for each electronic component, and the housing 4 is fixed at a certain position in the greenhouse to prevent moisture from corroding the circuit board.

[0023] The agricultural greenhouse carbon dioxide gas fertilizer controller integrated device provided in this embodiment can integrate the greenhouse ventilation, carbon dioxide supply, water fertilizer, water supply and other external equipment into one, which is uniformly controlled by the control module 2. The housing 4 can be installed inside or outside the greenhouse, and can be quickly deployed, integrated, quick to install and easy to maintain. The specific control method is as follows:

[0024] The sensor collects the four parameters of temperature, humidity, illumination and carbon dioxide concentration in the greenhouse, and sends the data to the control module 2, which realizes data transmission with the cloud platform of the server through the wireless networking module. The cloud platform determines whether watering, ventilation, carbon dioxide, etc. are needed according to the transmitted data. For example, if carbon dioxide needs to be introduced, the command to open the metering solenoid valve 1 is sent to the control module 2, and the control module 2 then sends an execution instruction to the metering solenoid valve 1, and the metering solenoid valve 1 is connected to the carbon dioxide gas supply pipe and the greenhouse, and the carbon dioxide gas enters the greenhouse. Similarly, if watering is needed, the corresponding execution instruction is sent to external equipment such as fans and water pumps. The present embodiment provides an agricultural greenhouse carbon dioxide gas fertilizer controller integrated device to realize greenhouse automation management, replace manual operation, have a high degree of intelligence, small error, and more scientific greenhouse management.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.

Claims

1. An agricultural greenhouse carbon dioxide gas fertilizer controller integrated device, characterized by: It includes sensors, local wireless modules, wireless networking modules, metering solenoid valves and control modules; The sensor is installed in the greenhouse, and the sensor is wirelessly connected to the control module through a local wireless module, and is used to collect temperature, humidity, light intensity and carbon dioxide concentration in the greenhouse; The control module is electrically connected to the wireless networking module for connecting to the Internet of Things; The control module is electrically connected to the metering solenoid valve, and both ends of the metering solenoid valve are connected between the carbon dioxide supply pipe and the interior of the greenhouse.

2. The agricultural greenhouse carbon dioxide gas fertilizer controller integrated device according to claim 1, characterized in that: It also includes a shell; the local wireless module and the wireless networking module are both integrated in the control module, and the control module is located in the upper part of the shell.

3. The agricultural greenhouse carbon dioxide gas fertilizer controller integrated device according to claim 2, characterized in that: A solar cell panel electrically connected to the control module is arranged above the shell.

4. The agricultural greenhouse carbon dioxide gas fertilizer controller integrated device according to claim 3, characterized in that: The lower side of the solar cell panel is fixedly connected to the top wall of the housing through a bracket.

5. The agricultural greenhouse carbon dioxide gas fertilizer controller integrated device according to claim 3, characterized in that: The control module is provided with a rechargeable power source.

6. The agricultural greenhouse carbon dioxide gas fertilizer controller integrated device according to claim 2, characterized in that: The antenna of the local wireless module and the antenna of the wireless networking module are both arranged on the top wall of the shell.

7. The agricultural greenhouse carbon dioxide gas fertilizer controller integrated device according to claim 2, characterized in that: The metering solenoid valve is located at the lower part of the interior of the housing.

8. The agricultural greenhouse carbon dioxide gas fertilizer controller integrated device according to claim 6, characterized in that: A maintenance cavity is provided in the middle of the shell.

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