Wet curtain of greenhouse

Abstract

The wet curtain comprises an upper cross rod and a lower cross rod, a wet curtain body is installed between the upper cross rod and the lower cross rod, drainage branch pipes are evenly distributed and installed on the top of the upper cross rod and connected with a drainage pipe through a third three-way pipe, one end of the drainage pipe is connected with a water supply assembly, and water return branch pipes are evenly distributed and installed at the bottom of the lower cross rod. The water return branch pipe is connected with a water return pipe through a second three-way pipe, the water return pipe extends into the water collecting tank, and temperature sensors are installed on the two sides of the upper transverse rod respectively and electrically connected with the control unit. The wet curtain body is installed between the upper cross rod and the lower cross rod, water is supplied to the wet curtain body through the water supply assembly, the temperature in a greenhouse can be monitored in real time through the temperature sensor and the control unit, the water supply assembly is automatically controlled to be opened and closed, the temperature is controlled within a proper interval all the time, and labor cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of agricultural greenhouse auxiliary equipment, and in particular relates to a wet curtain for a greenhouse. Background Art

[0002] Smart greenhouses are facilities for raising seedlings and cultivating plants. In seasons that are not suitable for plant growth, they can provide a greenhouse growth period and increase yields. They are mostly used for the cultivation or raising of seedlings of warmth-loving vegetables, flowers, trees and other plants in low temperature seasons. In order to ensure that the temperature in the greenhouse is within a reasonable range, a cooling system and ventilation system are usually installed in the greenhouse to achieve the purpose of cooling.

[0003] The existing patent document with announcement number CN220369161U discloses a wet curtain system in a greenhouse, including a wet curtain, and a wet curtain water pool connected to the wet curtain through a piping system; the piping system includes a water inlet main pipe, one end of the water inlet main pipe is connected to a self-priming pump, the self-priming pump is connected to the wet curtain water pool through an upper water pipe, the other end of the water inlet main pipe extends to the upper edge of the wet curtain and is connected to a water inlet branch pipe, the water inlet branch pipe is arranged along the length direction of the wet curtain and is connected to a plurality of sprinkler heads at intervals; the water inlet main pipe is also provided with a filter and a first valve at one end close to the self-priming pump; the bottom of the wet curtain is connected to the wet curtain water pool through a return pipe.

[0004] Although the above-mentioned wet curtain system in the greenhouse can solve the corresponding technical problems, it is still necessary to manually start and shut down the water pump to control the ambient temperature in the greenhouse. The frequent switching causes unnecessary trouble to the staff and is time-consuming and labor-intensive. Utility Model Content

[0005] In order to solve the above technical problems, the purpose of the utility model is to provide a wet curtain for a greenhouse to solve the technical problem of high manual participation in existing greenhouse temperature control.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A wet curtain for a greenhouse comprises an upper cross bar and a lower cross bar, a wet curtain body is installed between the upper cross bar and the lower cross bar, drain branches are evenly installed on the top of the upper cross bar, the drain branches are communicated with the upper cross bar, the drain branches are connected to a drain pipe through a third three-way pipe, one end of the drain pipe is connected to a water supply assembly, return water branches are evenly installed on the bottom of the lower cross bar, the return water branches are communicated with the lower cross bar, the return water branches are connected to a return water pipe through a second three-way pipe, the return water pipe extends into a water collection tank, temperature sensors are respectively installed on both sides of the upper cross bar, and the temperature sensors are electrically connected to a control unit.

[0008] As a preferred solution of the utility model, vertical rods are installed on both sides of the wet curtain body, and the vertical rods on both sides are fixedly connected to the upper cross bar and the lower cross bar respectively by bolts.

[0009] As a preferred embodiment of the present invention, the water supply assembly includes a water pump, a water outlet of the water pump is installed with a water outlet pipe, one end of the water outlet pipe is connected to a first three-way pipe, one end of the first three-way pipe is connected to a ball valve 1, one end of the ball valve 1 is connected to a filter through a pipeline, one end of the filter is connected to the drain pipe, and the water pump is electrically connected to the control unit.

[0010] As a further preferred solution of the utility model, one end of the first three-way pipe is threadedly connected to a ball valve 2 via a pipeline, and one end of the ball valve 2 is fixedly connected to a drain pipe.

[0011] As a further preferred embodiment of the present invention, a water inlet filter is installed at the water inlet of the water pump, the water pump is hung on a hook in the water collection tank, the hook is made of stainless steel, and the water pump is a submersible pump.

[0012] As a preferred solution of the utility model, a water supply pipe is installed on the inner top of the water collecting pool, and a float valve is installed on one end of the water supply pipe.

[0013] Compared with the prior art, the utility model of a greenhouse wet curtain has the following beneficial effects: the utility model installs the wet curtain body between the upper cross bar and the lower cross bar, installs the drainage branch on the upper cross bar, and uses the water supply component to supply water to it, so that the water flows to form a water film on the surface of the wet curtain body, and is used in conjunction with a fan and other equipment. When the air passes through the wet curtain, the water in the water film absorbs the heat in the air and evaporates to take away a large amount of heat, thereby lowering the air temperature. In addition, the temperature sensor and the control unit can be used to monitor the temperature in the environment in real time to automatically control the opening and closing of the water supply component, so that the utility model can effectively lower the ambient temperature in the greenhouse, so that the temperature is always controlled in an appropriate range, greatly reducing the manual operation of the staff, so as to achieve the purpose of saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment will be briefly introduced below. Obviously, the drawings described below are only examples of the embodiment of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0016] Figure 2It is a side view structural schematic diagram of an embodiment of the utility model;

[0017] Figure 3 This is a schematic diagram of the component installation structure in the embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the enlarged structure of part A in the embodiment of the utility model;

[0019] Figure 5 It is a schematic diagram of the structure of the filter in the embodiment of the utility model.

[0020] Reference numerals:

[0021] 1. Wet curtain body; 2. Upper horizontal bar; 201. Lower horizontal bar; 3. Vertical bar; 4. Drain branch; 5. Drain pipe; 501. Filter; 5011. Y-shaped filter housing; 5012. Activated carbon filter element; 5013. Drain pipe; 5014. Valve; 502. Ball valve one; 503. First three-way pipe; 504. Ball valve two; 505. Drain pipe; 6. Water collection tank; 601. Water pump; 602. Water inlet filter head; 603. Hook; 7. Return branch; 701. Second three-way pipe; 702. Return pipe; 8. Water supply pipe; 801. Float valve. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiment of the utility model more clear, the embodiment of the utility model is further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.

[0024] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0025] See attached Figure 1-5As shown, the utility model embodiment of a greenhouse wet curtain comprises an upper cross bar 2 and a lower cross bar 201, a wet curtain body 1 is installed between the upper cross bar 2 and the lower cross bar 201, a drain branch 4 is evenly installed on the top of the upper cross bar 2, the drain branch 4 is connected to the upper cross bar 2, the drain branch 4 is connected to the drain pipe 5 through a third three-way pipe, one end of the drain pipe 5 is connected to a water supply component, and a return water branch 7 is evenly installed on the bottom of the lower cross bar 201, the return water branch 7 is connected to the lower cross bar 201, the return water branch 7 is connected to the return water pipe 702 through a second three-way pipe 701, and the return water pipe 702 extends into the water collecting pool 6, and temperature sensors are respectively installed on both sides of the upper cross bar 2, and the temperature sensors are electrically connected to the control unit.

[0026] Vertical rods 3 are installed on both sides of the wet curtain body 1, and the vertical rods 3 on both sides are fixedly connected to the upper cross bar 2 and the lower cross bar 201 by bolts. By installing the vertical rods 3 on both sides of the wet curtain body 1 by bolts and fixing them with the upper cross bar 2 and the lower cross bar 201, the wet curtain body 1 is stably fixed between the upper cross bar 2 and the lower cross bar 201.

[0027] The water supply assembly includes a water pump 601, and a water outlet of the water pump 601 is installed with a water outlet pipe, one end of the water outlet pipe is connected to the first three-way pipe 503, one end of the first three-way pipe 503 is connected to the ball valve 1 502, one end of the ball valve 1 502 is connected to the filter 501 through a pipeline, one end of the filter 501 is connected to the drain pipe 5, and the water pump 601 is electrically connected to the control unit. By providing the water pump 601, the ball valve 1 502 and the filter 501, the water in the water collection tank 6 can be filtered to reduce the clogging of the water pipe by the mud and sand and other debris in the water collection tank 6, and the recovered water can also be purified, and the water pump 601 is electrically connected to the control unit for better automatic control.

[0028] The filter 501 includes a Y-shaped filter housing 5011 and an activated carbon filter element 5012, one end of the Y-shaped filter housing 5011 is a water inlet, and the other end of the Y-shaped filter housing 5011 is a water outlet, the activated carbon filter element 5012 is screwed into the third port of the Y-shaped filter housing 5011, and one end of the activated carbon filter element 5012 is connected to the water inlet, the side wall of the activated carbon filter element 5012 isolates the water inlet from the water outlet, and plays a filtering role, the other end of the activated carbon filter element 5012 is fixed and connected to a sewage pipe 5013, and a valve 5014 is installed on the sewage pipe 5013, the activated carbon filter element 5012 in the above-mentioned filter 501 is easy to disassemble and replace, and the valve 5014 is used to discharge the dirt inside the activated carbon filter element 5012, which is easy to clean and can extend the service life of the activated carbon filter element 5012.

[0029] The activated carbon filter element 5012 can remove odors and other impurities from the water while keeping the air in the greenhouse clean.

[0030] One end of the first three-way pipe 503 is screwed with the second ball valve 504 through a pipeline, and one end of the second ball valve 504 is fixedly connected to a drain pipe 505. By screwing the second ball valve 504 at one end of the first three-way pipe 503 and fixing the drain pipe 505 at one end of the second ball valve 504, it is convenient to extract and replace the water in the water collection pool 6 when maintaining the utility model, thereby reducing excessive aquatic organisms in the water collection pool 6 and causing pipe blockage.

[0031] The water inlet of the water pump 601 is equipped with a water inlet filter 602, and the water pump 601 is hung on a hook 603 in the water collection tank 6, and the hook 603 is made of stainless steel. The water pump 601 is a submersible pump. By installing the water inlet filter 602 at the water inlet of the water pump 601, the water inlet filter 602 is a PP cotton filter element, and the filter element is a new type of precision filter element, which has the characteristics of small size, large filtering area, high precision, no pollution, easy installation and replacement, etc., and the hook 603 is made of stainless steel, which is corrosion-resistant, thereby preventing the water in the water collection tank 6 from being polluted by rust and the like.

[0032] A water supply pipe 8 is installed on the inner top of the water collection tank 6, and a float valve 801 is installed at one end of the water supply pipe 8. By installing the float valve 801 at one end of the water supply pipe 8, the float valve 801 has the characteristics of simple maintenance, flexibility and durability, high liquid level control accuracy, water level is not affected by water pressure, and opening and closing tightly without water leakage, so as to prevent the water in the water collection tank 6 from overflowing.

[0033] When in use, open the water supply pipe 8 and release water into the water collection tank 6. Under the action of the float valve 801, it automatically stops or opens, closes the ball valve 2 504, and opens the control unit at the same time. Start the water pump 601 to transfer the water through the filter 501 and the drain pipe 5 to the drain branch 4, so that the water flows to form a water film on the surface of the wet curtain body 1. When used in conjunction with a fan and other equipment, when the air passes through the wet curtain, the water in the water film absorbs the heat in the air and evaporates to take away a large amount of heat, thereby lowering the air temperature. At the same time, the temperature sensor and the control unit can be used to monitor the temperature in the environment in real time to automatically control the opening and closing of the water supply component, so that the utility model can effectively reduce the ambient temperature, so that the temperature in the greenhouse is always controlled in a suitable range, saving time and effort. The excess water flows through the return branch 7 and the return pipe 702 to the water collection tank, thereby completing the recovery of the water flow.

[0034] A wet curtain body 1 is installed between the upper cross bar 2 and the lower cross bar 201, and a drain branch 4 is installed on the upper cross bar 2. Water is supplied to it by a water supply component, so that water flows to form a water film on the surface of the wet curtain body 1. When used in conjunction with a fan and other equipment, when air passes through the wet curtain, the water in the water film absorbs heat in the air and evaporates to take away a large amount of heat, thereby lowering the air temperature. In addition, a temperature sensor and a control unit can be used to monitor the temperature in the environment in real time to automatically control the opening and closing of the water supply component, so that the utility model can effectively reduce the ambient temperature in the greenhouse, so that the temperature in the greenhouse is always controlled in a suitable range, greatly reducing the manual operation of the staff, so as to achieve the purpose of saving time and effort.

[0035] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A wet curtain for a greenhouse, comprising an upper crossbar (2) and a lower crossbar (201), characterized in that: A wet curtain body (1) is installed between the upper cross bar (2) and the lower cross bar (201); drain branches (4) are evenly installed on the top of the upper cross bar (2); the drain branches (4) are connected to the upper cross bar (2); the drain branches (4) are connected to a drain pipe (5) via a third three-way pipe; one end of the drain pipe (5) is connected to a water supply assembly; return branches (7) are evenly installed on the bottom of the lower cross bar (201); the return branches (7) are connected to the lower cross bar (201); the return branches (7) are connected to a return pipe (702) via a second three-way pipe (701); the return pipe (702) extends into a water collection tank (6); temperature sensors are respectively installed on both sides of the upper cross bar (2); the temperature sensors are electrically connected to a control unit.

2. A wet curtain for a greenhouse according to claim 1, characterized in that: Vertical rods (3) are installed on both sides of the wet curtain body (1), and the vertical rods (3) on both sides are fixedly connected to the upper cross bar (2) and the lower cross bar (201) respectively by bolts.

3. A wet curtain for a greenhouse according to claim 1, characterized in that: The water supply assembly comprises a water pump (601), a water outlet of the water pump (601) is provided with a water outlet pipe, one end of the water outlet pipe is connected to a first three-way pipe (503), one end of the first three-way pipe (503) is threadedly connected to a ball valve (502), one end of the ball valve (502) is connected to a filter (501) via a pipeline, one end of the filter (501) is connected to the drain pipe (5), and the water pump (601) is electrically connected to the control unit.

4. A wet curtain for a greenhouse according to claim 3, characterized in that: One end of the first three-way pipe (503) is threadedly connected to a second ball valve (504) through a pipeline, and one end of the second ball valve (504) is fixedly connected to a drainage pipe (505).

5. A wet curtain for a greenhouse according to claim 3, characterized in that: The water inlet of the water pump (601) is equipped with a water inlet filter (602). The water pump (601) is hung on a hook (603) in the water collection tank (6). The hook (603) is made of stainless steel. The water pump (601) is a submersible pump.

6. A wet curtain for a greenhouse according to any one of claims 1 to 5, characterized in that: A water supply pipe (8) is installed on the inner top of the water collecting tank (6), and a float valve (801) is installed on one end of the water supply pipe (8).

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