Greenhouse temperature control system

Abstract

The utility model relates to the technical field of greenhouses, and particularly discloses a greenhouse temperature control system which comprises a temperature control unit and an energy storage unit. The plurality of temperature control units are uniformly distributed in the greenhouse, each temperature control unit comprises a deformation sensing device and a temperature control device, the deformation sensing devices and the temperature control devices are distributed around plants in the greenhouse to form a plurality of planting units, and the deformation sensing devices are used for sensing the temperature of the surrounding environment of the planting units and controlling the starting of the temperature control devices; the temperature control device is used for regulating and controlling the temperature of the surrounding environment; the energy storage device is connected with the temperature control device and used for absorbing part of heat of the temperature control device and slowly releasing the heat. The method has the effect of reducing the growth difference of plants at different positions in the greenhouse.

Description

Technical Field

[0001] This application relates to the technical field of greenhouses, and in particular to a greenhouse temperature control system. Background Technology

[0002] In order to reduce the impact of the external climate on the growth of plants inside the greenhouse, it is necessary to artificially regulate the temperature, humidity and light conditions inside the greenhouse so that the environment inside the greenhouse can reach a suitable level for plant growth.

[0003] A greenhouse temperature control system is a system that regulates the temperature conditions inside a greenhouse. Conventional greenhouse temperature control systems involve installing multiple air conditioners inside the greenhouse, and then raising or lowering the temperature inside the greenhouse when it does not meet the suitable growth temperature for the plants inside.

[0004] In the use of existing greenhouse temperature control systems, the greenhouse system heats the air inside the greenhouse as a whole, so that the temperature is transferred from the air to the plants inside the greenhouse, thereby achieving the purpose of heating or cooling the plants. Therefore, the time when plants in different locations in the greenhouse begin to heat up or cool down varies due to their different distances from the greenhouse temperature control system, which will cause differences in the growth of plants in different locations in the greenhouse. Utility Model Content

[0005] In order to reduce the differences in plant growth in different locations within a greenhouse, this application provides a greenhouse temperature control system.

[0006] The greenhouse temperature control system provided in this application adopts the following technical solution:

[0007] A greenhouse temperature control system, comprising:

[0008] A temperature control unit is provided, and several temperature control units are evenly distributed inside the greenhouse. The temperature control unit includes a deformation sensing device and a temperature control device. The deformation sensing device and the temperature control device are arranged around the plants in the greenhouse to form several planting units. The deformation sensing device is used to sense the temperature of the environment around the planting unit and control the activation of the temperature control device. The temperature control device is used to regulate the temperature of the surrounding environment.

[0009] An energy storage device, connected to the temperature control device, is used to absorb part of the heat from the temperature control device and release it slowly.

[0010] By adopting the above technical solution, the temperature control unit forms several planting units around the deformation sensing device and the temperature control device, dividing the internal space of the greenhouse into different planting units. The temperature control device controls the temperature within the planting unit, thereby regulating the temperature around the plants in the greenhouse. The energy storage device absorbs heat when the temperature control device regulates the air temperature near the planting unit, and slowly releases it when the temperature near the planting unit decreases, thereby mitigating temperature changes near the planting unit. This allows the temperature around the plants in different planting units to remain suitable for a longer period of time, reducing the differences in environmental conditions around the plants in different locations within the greenhouse and minimizing the differences in plant growth in different locations within the greenhouse.

[0011] Optionally, the deformation sensing device includes a sensing block installed on the ground of the greenhouse. A deformation groove is formed on the side of the sensing block facing away from the ground. Deformation blocks are arranged in the deformation groove. A state sensor is connected to the wall of the deformation groove. The shape of the deformation blocks changes with the temperature to abut against the state sensor. The state sensor is electrically connected to the temperature control device.

[0012] By adopting the above technical solution, the sensing block can deform when the ambient temperature changes. The state sensor can detect the changes in the sensing block when the temperature is lower than the suitable growth temperature of the plant and when the temperature is higher than the suitable growth temperature of the plant, thereby controlling the working state of the temperature control device and realizing the regulation of the ambient temperature.

[0013] Optionally, one end of the deformation block is fixedly connected to one side wall of the deformation groove. The state sensor includes an overcooling sensing block and an overheating sensing block. Both the overcooling sensing block and the overheating sensing block are telescopically connected to the wall of the deformation groove. The overheating sensing blocks are spaced apart on the side of the overcooling sensing block away from the deformation block. Both the overcooling sensing block and the overheating sensing block are electrically connected to the temperature control device on the side away from the deformation groove.

[0014] By adopting the above technical solution, when the ambient temperature drops below the suitable growth temperature for plants, the deformable block contracts and separates from the cold sensing block. The cold sensing block then controls the temperature control device to raise the temperature near the planting unit. When the deformable block senses that the ambient temperature is too high, it expands due to heat, thus coming into contact with the heat sensing block. The heat sensing block then controls the temperature control device to cool the surrounding environment.

[0015] Optionally, the overcooling sensing block and the overheating sensing block are arranged at an angle away from the deformation block on the side of the deformation block.

[0016] By adopting the above technical solution, the inclined surfaces arranged on the cold sensing block and the hot sensing block can reduce the interference with the deformation of the deformation block when the deformation block is deformed, thereby more accurately sensing the changes of the deformation block.

[0017] Optionally, the temperature control device includes a temperature control shell, an electric heating wire is arranged inside the temperature control shell, a heat dissipation port is opened at the top of the temperature control shell, and a cooling fan is arranged on the side of the electric heating wire away from the heat dissipation port, with the cooling fan facing the direction of the heat dissipation port.

[0018] By adopting the above technical solution, when heating up, the heating wire works, and the air blown by the cooling fan passes over the surface of the heating wire, so that the heat generated by the heating wire is transferred to the surrounding air, thereby raising the temperature of the surrounding environment. When cooling is required, the heating wire does not work, and the cooling fan blows air to circulate the air in the greenhouse. In conjunction with the humidity control system in the greenhouse, cooling is achieved by promoting water evaporation.

[0019] Optionally, the deformation sensing device is located below the heat dissipation port.

[0020] By adopting the above technical solution, the deformation sensing device located below the heat dissipation port senses the ambient temperature below the heat dissipation port, reducing the influence of the airflow blowing out of the heat dissipation port on the ambient temperature sensed by the deformation sensing device, and reducing the error between the ambient temperature sensed by the deformation sensor and the actual environment around the plant.

[0021] Optionally, the temperature control shell is connected to a baffle plate, which is arranged close to the heat dissipation port and is used to control the direction of the air blown out of the heat dissipation port.

[0022] By adopting the above technical solution, the wind deflector controls the direction of the airflow from the heat dissipation port, reducing the probability of the heat dissipation port blowing hot air directly onto the plant, causing the plant to die. Furthermore, the temperature in different directions can be controlled by adjusting the direction of the airflow from the heat dissipation port.

[0023] Optionally, the energy storage device includes a heat storage block, which is arranged close to the temperature control shell and is used to store the heat emitted near the temperature control shell.

[0024] By adopting the above technical solution, the heat storage block can absorb and store heat from the surrounding environment when the temperature control device blows hot air to raise the temperature near the planting unit. When the temperature control device stops working, the heat storage block can slowly release the absorbed heat into the surrounding environment, thereby slowing down the rate of temperature drop in the surrounding environment and reducing the environmental differences caused by the different rates of temperature drop in different parts of the plant.

[0025] Optionally, the heat storage block is covered with a control shell, the heat dissipation rate of the control shell is lower than that of the heat storage block, and the control shell has heat dissipation holes facing the plants in the planting unit.

[0026] By adopting the above technical solution, the control shell can control the main release direction of the heat stored in the heat storage block through the heat dissipation holes, so that the heat stored in the heat storage block is mainly released towards the plant and regulates the environment around the plant.

[0027] Optionally, several positioning rods are fixedly connected to the bottom of the sensing block, the positioning rods are inserted into the ground of the greenhouse, and the bottom of the sensing block is spaced apart from the ground of the greenhouse.

[0028] By adopting the above technical solution, the sensing block is separated from the ground, reducing the probability of corrosion caused by contact between the sensing block and the ground, which would lead to a decrease in performance.

[0029] Compared with the prior art, this application includes at least one of the following beneficial technical effects:

[0030] 1. The temperature control unit divides the greenhouse's planting space into multiple planting units using deformation sensors and temperature control devices. Different deformation sensors and temperature control devices then regulate the ambient temperature around the plants in each unit, reducing the impact of varying plant growth patterns due to differences in ambient temperature caused by different locations. By placing energy storage units near the planting units, the rate of environmental change around the plants can be further reduced, minimizing temperature differences between plants near the planting units when the temperature control devices are not activated.

[0031] 2. The deformation block senses the temperature in the environment around the planting unit. When it is too cold, it separates from the cold sensing block. The cold sensing block controls the temperature control device to raise the temperature of the environment around the planting unit. When the temperature in the environment is too high, the deformation block comes into contact with the heat sensing block and controls the temperature control device to work and cool down the environment around the planting unit.

[0032] 3. The heat storage block absorbs heat from the air when the ambient temperature is raised by the temperature control device or when the ambient temperature is high. Then, when the ambient temperature drops, the heat is released mainly towards the plants through the heat dissipation holes in the control shell fitted on the heat storage block. This reduces the rate of change of the ambient temperature around the plants and reduces the difference in the rate of temperature change around the plants due to their different locations in the greenhouse. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application.

[0034] Figure 2This is a schematic diagram of the internal structure of the temperature control shell in an embodiment of this application.

[0035] Figure 3 This is a cross-sectional view of the internal structure of the sensing block in an embodiment of this application.

[0036] In the diagram: 1. Temperature control unit; 11. Deformation sensing device; 111. Sensing block; 1111. Deformation groove; 112. Deformation block; 113. Status sensor; 1131. Overcooling sensing block; 1132. Overheating sensing block; 12. Temperature control device; 121. Temperature control shell; 1211. Heat dissipation port; 122. Heating wire; 123. Cooling fan; 124. Baffle plate; 2. Energy storage device; 21. Heat storage block; 22. Control shell; 221. Heat dissipation hole; 3. Positioning rod. Detailed Implementation

[0037] The following is in conjunction with the appendix Figures 1-3 This application will be described in further detail.

[0038] This application discloses a greenhouse temperature control system. (Refer to...) Figure 1 and Figure 2 A greenhouse temperature control system includes a temperature control unit 1 and an energy storage device 2.

[0039] The temperature control unit 1 includes a deformation sensing device 11 and a temperature control device 12. The deformation sensing device 11 and the temperature control device 12 are arranged around the plants in the greenhouse to form planting units. Several temperature control units 1 are arranged in the greenhouse to form several planting units. The deformation sensing device 11 senses the temperature of the planting unit. The temperature control device 12 is electrically connected to the deformation sensing device 11. The energy storage device 2 is arranged close to the temperature control device 12.

[0040] When the temperature around the planting unit in the greenhouse changes, the deformation sensing device 11 deforms in response to the temperature change, thereby controlling the temperature control unit 1 to regulate the temperature near the planting unit, maintaining it at a level suitable for plant growth. When the ambient temperature near the planting unit fluctuates excessively, the energy storage unit absorbs heat from the surrounding environment, mitigating the temperature change. Ultimately, this reduces the differences in environmental conditions around plants in different locations within the greenhouse, thus minimizing variations in plant growth.

[0041] Reference Figure 1 and Figure 3The deformation sensing device 11 includes a sensing block 111, a deformation groove 1111 is formed in the sensing block 111, and a deformation block 112 is arranged in the deformation groove 1111 with its bottom end sliding against the bottom of the deformation groove 1111. One end of the deformation block 112 is fixedly connected to one side wall of the deformation groove 1111. A state sensor 113 is telescopically connected to the wall of the deformation groove 1111. The state sensor 113 includes an overcooling sensing block 1131 and an overheating sensing block 1132. The overheating sensing block 1132 is arranged at intervals at the end of the overcooling sensing block 1131 away from the deformation block 112. Both the overcooling sensing block 1131 and the overheating sensing block 1132 are arranged at an angle toward the deformation block 112, with the angle tilting from the direction closer to the deformation block 112 toward the direction farther away from the deformation block 112. Both the overcooling sensing block 1131 and the overheating sensing block 1132 are connected to a reset spring at the end away from the deformation groove 1111. Both the overcooling sensing block 1131 and the overheating sensing block 1132 are electrically connected to the temperature control device 12.

[0042] Under normal conditions, the overcooling sensing block 1131 abuts against the side wall of the deformation block 112, and the overheating sensing block 1132 is fixedly connected to the deformation groove 1111 on one side and spaced apart from the deformation block 112. When overheating occurs, the deformation block 112 expands, abutting against the overheating sensing block 1132 and causing the overheating sensing block 1132 to contract. The overheating sensing block 1132 sends a signal to the temperature control device 12, which then cools the area around the planting unit. When the environment around the planting unit is too cold, the deformation block 112 contracts, causing it to separate from the overcooling sensing block 1131. The overcooling sensing block 1131 then controls the temperature control device 12 to heat the environment near the planting unit.

[0043] Reference Figure 1 Several positioning rods 3 are fixedly connected to the bottom of the sensing block 111. The sensing block 111 is installed by inserting the positioning rods 3 into the ground inside the greenhouse. After installation, the sensing block 111 is spaced apart from the ground, which can reduce the probability of the sensing block 111 being corroded due to direct contact with the ground.

[0044] Reference Figure 1 and Figure 2 The temperature control device 12 includes a temperature control shell 121, inside which an electric heating fan and an electric heating wire 122 are arranged. A heat dissipation port 1211, communicating with the outside, is opened at the top of the temperature control shell 121. The electric heating fan is located on the side of the electric heating wire 122 facing away from and towards the heat dissipation port 1211. A baffle plate 124, located near the heat dissipation port 1211, is connected to the top of the temperature control shell 121.

[0045] When the temperature control device 12 raises the ambient temperature, the cooling fan 123 operates, and the heating wire 122 generates heat. The cooling fan 123 dissipates the heat generated by the heating wire 122 into the air near the planting unit through the heat dissipation vents, thereby raising the temperature of the environment around the planting unit. When the temperature of the environment around the planting unit is too high, the cooling fan 123 operates, and the heating wire 122 stops operating. The cooling fan circulates the air inside the greenhouse, and in conjunction with the liquid water generated in the humidity control system, the liquid water inside the greenhouse evaporates to form gaseous water, thereby carrying away the heat inside the greenhouse and lowering the ambient temperature. The baffle 124 can adjust the direction of the air flowing out of the heat dissipation vent 1211, so that the air blown out of the heat dissipation vent 1211 can be blown at more angles while avoiding direct blowing onto the plants.

[0046] The horizontal height of the heat dissipation port 1211 is above the deformation sensing device 11. The air blown out through the heat dissipation port 1211 will not be directly blown to the deformation sensing device 11. The influence of the temperature control device 12 on the deformation sensing device 11 is reduced, thereby reducing the error of the deformation sensing device 11 when sensing the ambient temperature.

[0047] Reference Figure 1 The energy storage device 2 includes a heat storage block 21, which is preferably made of paraffin wax. The heat storage block 21 is arranged close to the temperature control shell 121, and the heat storage block 21 is covered with a control shell 22, which is preferably made of rubber insulation material. The control shell 22 has heat dissipation holes 221 facing the direction of the plants in the planting unit.

[0048] When the temperature control device 12 is working, the energy storage device 2 can absorb and store heat from the surrounding environment. When the ambient temperature drops, the energy storage device 2 can release the absorbed heat, raising the temperature of the surrounding environment. Furthermore, through the adjustment of the casing 22, more of the heat stored in the heat storage block 21 can be dissipated through the heat dissipation holes 221 facing the plant, allowing more of the heat dissipated by the heat storage block 21 to be used to raise the temperature of the environment around the plant. When the outside temperature rises, the energy storage block can also absorb some heat from the air, slowing down the rate of temperature increase and reducing the speed at which the temperature around the plant exceeds its optimal temperature.

[0049] The implementation principle of a greenhouse temperature control system according to an embodiment of this application is as follows: Inside the greenhouse, several temperature control units 1 are arranged to divide the interior space into several planting units. Different deformation sensing devices 11 and temperature control devices 12 sense and regulate the ambient temperature around different planting units, reducing temperature differences among plants in different locations within the greenhouse. This ensures that plants in different locations can maintain a suitable growth temperature under the action of different temperature control devices. Simultaneously, the energy storage device 2 absorbs or releases heat when the ambient temperature near the planting unit changes, slowing down the rate of temperature change around the planting unit. Ultimately, this reduces the differences in environmental conditions around plants in different locations within the greenhouse, thus minimizing differences in plant growth.

[0050] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A temperature control system for a greenhouse, characterized in that The utility model relates to a temperature control unit (1) is provided with a plurality of and is evenly arranged in the greenhouse, the temperature control unit (1) includes deformation sensing device (11) and temperature control device (12), and the deformation sensing device (11) and temperature control device (12) are arranged around the plant in the greenhouse and form a plurality of planting units, the deformation sensing device (11) is used for sensing the temperature of the surrounding environment of planting unit and controls the start of temperature control device (12), and temperature control device (12) is used for regulating the temperature of surrounding environment. The energy storage device (2) is connected to the temperature control device (12) for absorbing part of the heat of the temperature control device (12) and slowly releasing. The deformation sensing device (11) includes a sensing block (111) mounted to the ground of the greenhouse, a deformation groove (1111) is formed on the side of the sensing block (111) away from the ground, a deformation block (112) is arranged in the deformation groove (1111), and a state sensor (113) is connected to the groove wall of the deformation groove (1111). The shape of the deformation block (112) changes with temperature and is used to abut against the state sensor (113), and the state sensor (113) is electrically connected to the temperature control device (12).

2. The greenhouse temperature control system of claim 1, wherein: One end of the deformation block (112) is fixedly connected to one side groove wall of the deformation groove (1111), the state sensor (113) includes a supercooling sensing block (1131) and a superheating sensing block (1132), the supercooling sensing block (1131) and the superheating sensing block (1132) are connected to the groove wall of the deformation groove (1111), the superheating sensing block (1132) is arranged at a side of the supercooling sensing block (1131) away from the deformation block (112), and the supercooling sensing block (1131) and the superheating sensing block (1132) are electrically connected to the temperature control device (12) away from the deformation groove (1111).

3. A greenhouse temperature control system according to claim 2, wherein: The side of the supercooling sensing block (1131) and the superheating sensing block (1132) facing the deformation block (112) is inclined away from the deformation block (112).

4. A system for controlling the temperature in a greenhouse according to claim 3, characterized in that: The temperature control device (12) includes a temperature control shell (121), an electric heating wire (122) is arranged in the temperature control shell (121), a temperature dispersion port (1211) is formed at the top end of the temperature control shell (121), a heat dissipation fan (123) is arranged on the side of the electric heating wire (122) away from the temperature dispersion port (1211), and the heat dissipation fan (123) is arranged towards the temperature dispersion port (1211).

5. The greenhouse temperature control system of claim 1, wherein: The deformation sensing device (11) is located below the temperature dispersion port (1211).

6. A greenhouse temperature control system according to claim 5, wherein: The temperature control shell (121) is connected to a wind deflector (124), the wind deflector (124) is arranged close to the temperature dispersion port (1211), and the wind deflector (124) is used to control the direction of the wind blown out of the temperature dispersion port (1211).

7. A greenhouse temperature control system according to claim 5, wherein: ​ 8. The greenhouse temperature control system of claim 5, wherein: The energy storage device (2) comprises a heat storage block (21) arranged close to the temperature control shell (121), and the heat storage block (21) is used for storing heat dissipated near the temperature control shell (121).

9. A system for controlling the temperature in a greenhouse according to claim 8, characterized in that: The heat storage block (21) is sleeved with a regulation shell (22), the heat dissipation speed of the regulation shell (22) is lower than that of the heat storage block (21), and the regulation shell (22) is provided with a heat dissipation hole (221) towards the direction of the plant in the planting unit.

10. The greenhouse temperature control system of claim 2, wherein: A plurality of positioning rods (3) are fixedly connected below the induction block (111), the positioning rods (3) are inserted into the ground of the greenhouse, and the bottom end of the induction block (111) is arranged at intervals from the ground of the greenhouse.

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