Greenhouse wet curtain cooling device

Abstract

The utility model discloses a greenhouse wet curtain cooling device which comprises a greenhouse body and a wet curtain chamber arranged in the greenhouse body, the wet curtain chamber is connected with the side wall of the greenhouse body, the greenhouse body is provided with a pressure relief opening, the wet curtain chamber is provided with an air inlet cavity, an air exhaust cavity, an air inlet and an air exhaust opening, and a wet curtain device is arranged between the air inlet cavity and the air exhaust cavity. The outside of the greenhouse body communicates with the air inlet cavity through an air inlet, and the inside of the greenhouse body communicates with the air exhaust cavity through an air exhaust port. And a flow promoting fan is arranged at the air outlet. When the greenhouse is used, the flow promoting fan is started, air outside the greenhouse body enters the air inlet cavity through the air inlet, then penetrates through the wet curtain device to be cooled, enters the air exhaust cavity and then penetrates through the air exhaust opening to enter the greenhouse body, and the purposes of cooling and ventilation are achieved. The wet curtain chamber only needs to be arranged on one side wall of the greenhouse body, the problem that the two sides of the greenhouse body can block light is solved, lighting of the greenhouse is good, and growth of cultivated plants is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural technology field especially relates to a greenhouse wet curtain cooling device. BACKGROUND

[0002] The greenhouse for cultivating plants needs to keep ventilation, and when the weather is hot, the high-temperature air outside enters the greenhouse and causes the indoor temperature to be too high and affect the growth of the cultivated plants, so some greenhouses are provided with a wet curtain device to reduce the temperature. The traditional fan wet curtain divides the fan and the wet curtain and is installed on the opposite wall surface of the greenhouse, which causes the two sides of the greenhouse to block light and reduces the light collection of the greenhouse, which is not conducive to the growth of the cultivated plants. SUMMARY

[0003] The utility model discloses at least one of the technical problems in the prior art. To this end, the utility model provides a greenhouse wet curtain cooling device.

[0004] The greenhouse wet curtain cooling device according to the utility model embodiment has at least the following technical effects: when used, the air outside the greenhouse main body enters the air inlet cavity through the air inlet after being cooled by the wet curtain device, and then enters the inside of the greenhouse main body through the air outlet, so that the purpose of cooling and ventilation is achieved; the wet curtain chamber is only arranged on one side wall of the greenhouse main body, so that the problem of blocking light on both sides of the greenhouse main body is avoided, the light collection of the greenhouse is better, and the growth of the cultivated plants is facilitated.

[0005] The greenhouse wet curtain cooling device according to the utility model embodiment has at least the following technical effects: when used, the air outside the greenhouse main body enters the air inlet cavity through the air inlet after being cooled by the wet curtain device, and then enters the inside of the greenhouse main body through the air outlet, so that the purpose of cooling and ventilation is achieved; the wet curtain chamber is only arranged on one side wall of the greenhouse main body, so that the problem of blocking light on both sides of the greenhouse main body is avoided, the light collection of the greenhouse is better, and the growth of the cultivated plants is facilitated.

[0006] According to some embodiments of the utility model, the air inlet and the pressure relief port are each provided with a window sash.

[0007] According to some embodiments of the utility model, the wet curtain chamber is provided with an air return port, and the inside of the greenhouse main body is communicated with the air inlet cavity through the air return port.

[0008] According to some embodiments of the utility model, the air return port is provided with an air valve.

[0009] According to some embodiments of the utility model, the air valve is provided with an adjusting mechanism on the side of the air valve for adjusting the opening degree of the air valve.

[0010] According to some embodiments of the present application, the air valve is provided with a return air passage, and the return air passage is away from the wet curtain device.

[0011] According to some embodiments of the present application, the air valve is a louver valve, and the air valve is provided with a plurality of louver plates, and the return air passage is formed between two adjacent louver plates.

[0012] According to some embodiments of the present application, the exhaust port, the wet curtain device and the air inlet are sequentially and spaced apart in the transverse direction.

[0013] According to some embodiments of the present application, the return air port is arranged at the top of the wet curtain chamber.

[0014] According to some embodiments of the present application, the pressure relief port and the wet curtain chamber are arranged on opposite sides of the greenhouse main body, respectively.

[0015] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0017] Figure 1 is a front view structural schematic diagram of a greenhouse wet curtain cooling device according to an embodiment of the present application;

[0018] Figure 2 is a top view structural schematic diagram of a greenhouse wet curtain cooling device according to an embodiment of the present application;

[0019] In the drawings:

[0020] 100-greenhouse main body; 111-pressure relief port; 112-pressure relief window sash; 201-wet curtain device; 210-air inlet cavity; 211-air inlet; 212-air inlet window sash; 220-air outlet cavity; 221-air flow promoting fan; 230-air valve. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0022] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, "several" means one or more, "multiple" means two or more, "greater than," "less than," "exceeding," etc., are understood to exclude the stated number, while "above," "below," "within," etc., are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating relative importance or implicitly indicating the number of indicated technical features or the order of the indicated technical features.

[0023] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0024] The following is for reference. Figure 1 and Figure 2 This invention describes a greenhouse evaporative cooling device according to an embodiment of the present invention.

[0025] The greenhouse wet curtain cooling device of this utility model embodiment refers to... Figure 1 The greenhouse includes a main body 100 and a wet curtain chamber disposed within the main body 100. The main body 100 has a side wall assembly and a roof component disposed on top of the side wall assembly. The side wall assembly includes a first side wall, a second side wall, a third side wall, and a fourth side wall. The first side wall, the second side wall, the third side wall, and the fourth side wall are respectively located on the front, right, rear, and left sides of the main body 100. The wet curtain chamber is connected to the side wall of the main body 100. The wet curtain chamber can be connected to the second side wall. The main body 100 is provided with a pressure relief port 111, which can be disposed on the fourth side wall.

[0026] The wet curtain chamber is provided with an air inlet cavity 210, an air outlet cavity 220, an air inlet 211 and an air outlet. The air inlet cavity 210 is arranged at the right side of the air outlet cavity 220, the air inlet 211 is arranged at the right side wall of the air inlet cavity 210, the air outlet is arranged at the left side wall of the air outlet cavity 220, and the wet curtain device 201 is arranged between the air inlet cavity 210 and the air outlet cavity 220. The wet curtain device 201 is arranged vertically, and is a conventional component in the field and can be directly purchased on the market. Therefore, the specific structure thereof will not be described herein. The outside of the greenhouse main body 100 is communicated with the air inlet cavity 210 through the air inlet 211. The right side wall of the wet curtain chamber and the fourth side wall are the same component. The air inlet 211 is arranged on the fourth side wall, so as to realize the communication with the outside of the greenhouse main body 100. The inside of the greenhouse main body 100 is communicated with the air outlet cavity 220 through the air outlet. The air outlet is provided with a flow-promoting fan 221. The flow-promoting fan 221 can be an axial flow fan. The air supply direction of the flow-promoting fan 221 is towards the outside of the wet curtain chamber.

[0027] In use, the flow-promoting fan 221 is started, so that the air outside the greenhouse main body 100 enters the air inlet cavity 210 through the air inlet 211, then enters the air outlet cavity 220 after being cooled by the wet curtain device 201, and then enters the inside of the greenhouse main body 100 through the air outlet, so as to achieve the purpose of cooling and ventilation. The wet curtain chamber only needs to be arranged on one side wall of the greenhouse main body 100, so as to avoid the problem that the light is blocked on both sides of the greenhouse main body 100. The lighting of the greenhouse is good, which is beneficial to the growth of the cultivated plants. When the wet curtain chamber is installed, the wet curtain chamber can be arranged on the back sun side of the greenhouse main body 100, so that the negative effect caused by the shading of the wet curtain chamber is small.

[0028] In some embodiments of the present application, the air inlet 211 and the pressure relief port 111 are both provided with a sash. The sash is installed on the air inlet 211 / pressure relief port 111 in a hinged connection manner. The sash can be used to control the opening and closing of the air inlet 211 / pressure relief port 111. The sash arranged on the air inlet 211 is referred to as an air inlet sash 212, and the sash arranged on the pressure relief port 111 is referred to as a pressure relief sash 112. In this way, when encountering sand, dust or haze weather, the air inlet sash 212 and the pressure relief sash 112 can be closed to prevent pollutants from entering the inside of the greenhouse main body 100 through the air inlet 211 or the pressure relief port 111. When it is necessary to replace the outdoor fresh air, the air inlet sash 212 and the pressure relief sash 112 are opened, and the flow-promoting fan 221 is started. The main body of the sash can be made of transparent material, so as to avoid blocking the light.

[0029] In some embodiments of the utility model, the wet curtain chamber is provided with a return air outlet, the inside of the greenhouse main body 100 is communicated with the air inlet cavity 210 through the return air outlet. When only cooling is needed after the air exchange is finished, the air inlet window 212 and the pressure relief window 112 are closed, so that the greenhouse main body 100 is in the internal circulation mode, air flow is provided for the cultivated plants, and the pollutants are prevented from entering the inside of the greenhouse main body 100 from the air inlet 211 or the pressure relief port 111.

[0030] In some embodiments of the utility model, the return air outlet is provided with a damper 230. When the greenhouse main body 100 is in the external circulation mode, the damper 230 can be closed, so that the greenhouse main body 100 is in the external circulation mode, the indoor air backflow is prevented, the flow rate of fresh air is larger, and the air exchange effect is better.

[0031] In some embodiments of the utility model, the damper 230 is provided with an adjusting mechanism on the side thereof, which is used for adjusting the opening degree of the damper 230. In this way, the internal circulation mode and the external circulation mode can be used simultaneously, the opening degree of the damper 230 is controlled through the adjusting mechanism, the proportion of the internal circulation and the external circulation is controlled, the flow of fresh air is moderate, the cultivation environment is stable, and the external circulation mode and the internal circulation mode do not need to be frequently switched. The damper 230 is a louver valve, the damper 230 has a plurality of louver plates, and a return air passage is formed between two adjacent louver plates.

[0032] In some embodiments of the utility model, the damper 230 is provided with a return air passage, and the return air passage is away from the wet curtain device 201. In this way, the mixing of the return air and the fresh air is promoted, the air sent out at the exhaust port is uniform, the cultivation environment in the greenhouse main body 100 is less fluctuated, and the growth of the cultivated plants is facilitated.

[0033] In some embodiments of the utility model, the damper 230 is a louver valve, the damper 230 has a plurality of louver plates, and a return air passage is formed between two adjacent louver plates. The louver valve is convenient to manufacture into a shape with large front-rear size and small left-right size and is convenient to open and close; wherein the damper 230 can be an electrically adjusted louver valve, the electrically adjusted louver valve is a conventional component in the field and can be directly purchased on the market, and the specific structure thereof will not be described here; the electrically adjusted louver valve has a connecting rod mechanism and a motor, so as to drive the opening and closing of the plurality of louver plates, and the connecting rod mechanism and the motor are the adjusting mechanism.

[0034] In some embodiments of the utility model, the exhaust port, the wet curtain device 201 and the air inlet 211 are sequentially and spacedly arranged along the transverse direction. In this way, the air resistance is small, the flow rate of fresh air is improved, and the purpose of quickly replacing fresh air is achieved.

[0035] In some embodiments of the utility model, the return air inlet is arranged at the top of the wet curtain chamber. The return air channel is arranged obliquely downward from left to right. The return air has lower temperature and greater density. Arranging the return air inlet at the top of the wet curtain chamber is conducive to the sinking of the return air and the mixing of the return air with fresh air.

[0036] In some embodiments of the utility model, the pressure relief port 111 and the wet curtain chamber are arranged at opposite sides of the greenhouse main body 100. In this way, the air flow channel between the wet curtain chamber and the pressure relief port 111 penetrates through the entire greenhouse main body 100, which is conducive to the uniform distribution of fresh air.

[0037] In some embodiments of the utility model, referring to Figure 2 , the wet curtain chamber and the pressure relief port 111 are collectively referred to as a wet curtain assembly. The greenhouse main body 100 is provided with a plurality of wet curtain assemblies. The plurality of wet curtain assemblies are sequentially arranged from front to back. The plurality of wet curtain chambers are independent of each other. In this way, the cooling effect is better. Moreover, when the wet curtain device 201 of one of the wet curtain chambers fails, the other wet curtain devices 201 can continue to be used.

[0038] The preferred embodiments of the utility model are described above. However, the utility model is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model. These equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A greenhouse evaporative cooling device, characterized in that: The system includes a greenhouse body and a wet curtain chamber located within the greenhouse body. The wet curtain chamber is connected to the side wall of the greenhouse body. The greenhouse body is provided with a pressure relief vent. The wet curtain chamber is provided with an air inlet chamber, an air outlet chamber, an air inlet, and an air outlet. A wet curtain device is provided between the air inlet chamber and the air outlet chamber. The exterior of the greenhouse body is connected to the air inlet chamber through the air inlet chamber, and the interior of the greenhouse body is connected to the air outlet chamber through the air outlet. The air outlet is provided with a flow-promoting fan.

2. The greenhouse evaporative cooling device according to claim 1, characterized in that: Both the air inlet and the pressure relief outlet are equipped with window sashes.

3. The greenhouse wet curtain cooling device according to claim 2, characterized in that: The wet curtain chamber is equipped with a return air vent, and the interior of the greenhouse body is connected to the air inlet chamber through the return air vent.

4. The greenhouse wet curtain cooling device according to claim 3, characterized in that: The return air inlet is equipped with an air valve.

5. The greenhouse wet curtain cooling device according to claim 4, characterized in that: The side of the air valve has an adjustment mechanism for adjusting the opening degree of the air valve.

6. The greenhouse wet curtain cooling device according to claim 4, characterized in that: The air valve is provided with a return air channel, and the return air channel is oriented away from the wet curtain device.

7. The greenhouse wet curtain cooling device according to claim 6, characterized in that: The air valve is a louvered valve, which has multiple louvers, and the return air channel is formed between two adjacent louvers.

8. The greenhouse wet curtain cooling device according to claim 3, characterized in that: The exhaust vent, the wet curtain device, and the air inlet are arranged sequentially at intervals along the horizontal direction.

9. The greenhouse wet curtain cooling device according to claim 8, characterized in that: The return air vent is located at the top of the evaporative cooling pad chamber.

10. The greenhouse evaporative cooling device according to claim 1, characterized in that: The pressure relief vent and the wet curtain chamber are respectively located on opposite sides of the main body of the greenhouse.

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