Water-saving drip irrigation device for greenhouse

Abstract

The utility model discloses a kind of greenhouse water-saving drip irrigation devices, relate to greenhouse technical field.The greenhouse water-saving drip irrigation device, including water tank, the front side outer wall of water tank is fixedly installed with rack, the top of rack is fixedly installed with water pump, the input end of water pump is fixedly connected with water suction hose, the output end of water pump is through the front side of water tank and with the inside of water tank is communicated, further including the filter screen of fixed installation in the inner wall of water tank front and back side, cleaning structure is installed on water tank, outlet is set to water tank side, outlet is provided with electromagnetic valve, the outer wall of outlet is equipped with dripper, the outer wall of dripper is equipped with support frame.The greenhouse water-saving drip irrigation device, by motor drive swing lever and both ends web plate rotation are driven, web plate sticks to filter screen top and sweeps impurity, again by inclined guide plate and is discharged, avoid impurity accumulation and block filter screen, always maintain filtration efficiency, without manual frequent disassembly and wash, reduce maintenance cost and operation difficulty.

Description

Technical Field

[0001] This utility model relates to the field of greenhouse technology, and in particular to a water-saving drip irrigation device for greenhouses. Background Technology

[0002] Drip irrigation is a water-saving irrigation technology that delivers water slowly and precisely to the roots of crops through a pipeline system. It is widely used in agriculture and forestry. For example, Chinese document CN220422463U describes a water-saving drip irrigation device, including a water storage tank and a drip irrigation frame. A partition is fixedly installed at the lower end of the water storage tank. A motor is fixedly installed at the bottom of the water storage tank. An agitator is fixedly installed at the output end of the motor, passing through the partition. A first filter screen is fixedly installed inside the water storage tank near the agitator. A water pipe is fixedly installed on one side of the first filter screen. A pumping tank is fixedly installed at the other end of the water pipe. A water flow control valve is fixedly installed at the lower end of the pumping tank. A pumping pump is fixedly installed at the other lower end of the pumping tank. The water flow control valve and the pumping pump are connected by a water pipe. An outlet is fixedly installed at the other end of the pumping pump. Through the action of the two filter screens and the filter plate, the water to be drip-irrigated can be filtered, preventing clogging of the drip irrigation head.

[0003] During the use of the above-mentioned water-saving drip irrigation device, impurities will gradually accumulate on the surface of the filter screen, which will affect the filtration efficiency of the filter screen. Secondly, when the drip irrigation pipe comes into contact with the ground, soil will block the water outlet, affecting the irrigation effect. Utility Model Content

[0004] The purpose of this utility model is to provide a water-saving drip irrigation device for greenhouses to solve the problems and defects mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a water-saving drip irrigation device for greenhouses, comprising a water tank, a frame fixedly installed on the front outer wall of the water tank, a water pump fixedly installed on the top of the frame, a water pump input end fixedly connected to a water pump hose, and an output end of the water pump penetrating the front side of the water tank and communicating with the interior of the water tank. It also includes a filter screen fixedly installed on the front and rear inner walls of the water tank, a cleaning structure installed on the water tank for cleaning impurities filtered out by the filter screen, a water outlet located on one side of the water tank, an electromagnetic valve installed at the water outlet, a drip tube sleeved on the outer wall of the water outlet, and a support frame sleeved on the outer wall of the drip tube for supporting the drip tube.

[0006] Preferably, the cleaning structure includes a motor, a rotating rod, a swing rod, and a screen. The motor is fixedly installed on the front outer wall of the water tank, the rotating rod is rotatably installed on the front and rear inner walls of the water tank, the swing rod is fixedly installed on the outer wall of the rotating rod, and two screens are respectively fixedly installed at both ends of the swing rod. The output shaft of the motor is fixedly installed at one end of the rotating rod. The screen contacts the top of the filter screen, which can clean the impurities on the top of the filter screen and then discharge them through the inclined guide plate, avoiding the accumulation of impurities and clogging the filter screen, thus maintaining the filtration efficiency. It eliminates the need for frequent manual disassembly and cleaning, reducing maintenance costs and operational difficulty.

[0007] Preferably, the support frame includes an elastic U-shaped clip, a plug, and a fixing bolt. The elastic U-shaped clip is fitted onto the outer wall of the drip tube, the plug is located on the rear side of the elastic U-shaped clip, and the fixing bolt is threaded onto the elastic U-shaped clip and the plug. This provides stable support for the drip tube, ensuring that the equidistant water outlets at the bottom of the drip tube are far from the ground, completely solving the problem of soil blocking the water outlets, ensuring that water is evenly dripped to the crop roots, and reducing water waste.

[0008] Preferably, a guide plate is fixedly installed on the other side outer wall of the water tank, and the guide plate is inclined downward.

[0009] Preferably, the bottom of the dropper has equally spaced water outlet holes.

[0010] Preferably, the outer wall of the dropper is fitted with a clamp to fix the dropper to the water outlet and prevent the dropper from falling off the water outlet.

[0011] Preferably, the top of the insertion rod is spherical, and a water level sensor is fixedly installed on the inner wall of the water tank to monitor the water volume in real time, link the water pump to automatically replenish water, and cooperate with the electromagnetic valve at the outlet to precisely control the flow, further enhancing water-saving performance and irrigation accuracy, and adapting to the diverse irrigation needs of greenhouse crops.

[0012] Compared with the prior art, the beneficial effects of this utility model are: This water-saving drip irrigation device for greenhouses uses a motor-driven rotating rod to rotate the swing arm and the mesh plates at both ends. The mesh plates adhere to the top of the filter screen to clean impurities, which are then discharged through an inclined guide plate, preventing impurities from accumulating and clogging the filter screen. This maintains filtration efficiency and eliminates the need for frequent manual disassembly and cleaning, reducing maintenance costs and operational difficulty. A support frame with elastic U-shaped clips, insert rods, and fixing bolts secures the drip tubes after the insert rods are inserted into the soil, ensuring that the equidistant water outlets at the bottom of the drip tubes are far from the ground. This completely solves the problem of soil clogging the water outlets, ensuring that water is evenly dripped to the crop roots and reducing water waste. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a cross-sectional view of the water tank of this utility model; Figure 3 This is a schematic diagram of the support frame of this utility model.

[0014] Reference numerals in the attached diagram: 1. Water tank; 2. Frame; 3. Water pump; 4. Pumping hose; 5. Filter screen; 6. Outlet; 7. Drip tube; 8. Outlet hole; 9. Flexible U-shaped clip; 10. Insert rod; 11. Fixing bolt; 12. Motor; 13. Rotating rod; 14. Swing rod; 15. Mesh plate; 16. Guide plate. Detailed Implementation

[0015] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0016] Please see Figure 1-3 This utility model provides a technical solution: a water-saving drip irrigation device for greenhouses, including a water tank 1, a frame 2 fixedly installed on the front outer wall of the water tank 1, a water pump 3 fixedly installed on the top of the frame 2, a water pump 3 with a water pump hose 4 fixedly connected to the input end of the water pump 3, and the output end of the water pump 3 passing through the front side of the water tank 1 and communicating with the interior of the water tank 1. It also includes a filter screen 5 fixedly installed on the front and rear inner walls of the water tank 1. When the water pump 3 is started, the water pump 3 draws river water / lake water through the water pump hose 4. The river water enters the interior of the water tank 1 through the water pump hose 4 and the water pump 3. Through the filter screen 5, impurities in the river water can be filtered out. The filtered river water is stored inside the water tank 1. A cleaning structure is installed on the water tank 1 to clean the impurities filtered out by the filter screen 5. An outlet 6 is set on one side of the water tank 1. The outlet 6 is equipped with an electromagnetic valve. A drip tube 7 is sleeved on the outer wall of the outlet 6. A support frame is sleeved on the outer wall of the drip tube 7 to support the drip tube 7.

[0017] Furthermore, the cleaning structure includes a motor 12, a rotating rod 13, a swing rod 14, and a screen plate 15. The motor 12 is fixedly installed on the front outer wall of the water tank 1, the rotating rod 13 is rotatably installed on the front and rear inner walls of the water tank 1, the swing rod 14 is fixedly installed on the outer wall of the rotating rod 13, and two screen plates 15 are respectively fixedly installed at both ends of the swing rod 14. The output shaft of the motor 12 is fixedly installed at one end of the rotating rod 13, and the screen plate 15 contacts the top of the filter screen 5. When the motor 12 is started, the output shaft of the motor 12 drives the rotating rod 13, the swing rod 14, and the screen plate 15 to rotate. The rotation of the screen plate 15 can push the impurities filtered out from the top of the filter screen 5 to the top of the guide plate 16. The impurities are discharged through the guide plate 16, avoiding the accumulation of impurities and clogging the filter screen, thus maintaining the filtration efficiency. It eliminates the need for frequent manual disassembly and cleaning, reducing maintenance costs and operational difficulty.

[0018] Furthermore, the support frame includes a flexible U-shaped clip 9, an insertion rod 10, and a fixing bolt 11. The flexible U-shaped clip 9 is fitted onto the outer wall of the dripper 7, the insertion rod 10 is located on the rear side of the flexible U-shaped clip 9, and the fixing bolt 11 is threaded onto the flexible U-shaped clip 9 and the insertion rod 10. This can stably support the dripper, keep the equidistant water outlets at the bottom of the dripper away from the ground, completely solve the problem of soil blocking the water outlets, ensure that water flows evenly to the crop roots, and reduce water waste.

[0019] Furthermore, a guide plate 16 is fixedly installed on the other outer wall of the water tank 1, and the guide plate 16 is inclined downward.

[0020] Furthermore, the bottom of the dropper 7 is provided with equally spaced water outlet holes 8.

[0021] Furthermore, the outer wall of the dropper 7 is fitted with a clamp to fix the dropper 7 to the water outlet 6 and prevent the dropper 7 from falling off the water outlet 6.

[0022] Furthermore, the top of the insertion rod 10 is spherically shaped, and a water level sensor is fixedly installed on the inner wall of the water tank 1.

[0023] Working principle: The drip tube 7 is laid on the ground, and the insertion rod 10 is inserted into the soil next to the drip tube 7. The drip tube 7 is supported by the insertion rod 10 and the elastic U-shaped clamp 9 to prevent the water outlet 8 from contacting the ground and to prevent soil from clogging the water outlet 8. When the water level sensor detects that the water level inside the water tank 1 has dropped, the control system starts the water pump 3. The water pump 3 draws river / lake water through the water suction hose 4. The river water enters the water tank 1 through the water suction hose 4 and the water pump 3. After passing through the filter screen 5, impurities in the river water can be filtered out. The filtered river water is stored inside the water tank 1. The motor 12 is started by the controller. The output shaft of the motor 12 drives the rotating rod 13, the swing rod 14, and the screen plate 15 to rotate. The rotation of the screen plate 15 can push the impurities filtered out from the top of the filter screen 5 to the top of the guide plate 16. The impurities are discharged through the guide plate 16 to avoid the accumulation of impurities on the filter screen 5. The solenoid valve is opened by the controller, and the water inside the water tank 1 is discharged through the water outlet 6, the drip pipe 7, and the water outlet hole 8 to achieve water-saving drip irrigation for plants.

[0024] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A water-saving drip irrigation device for a greenhouse, comprising a water tank (1), a frame (2) fixedly installed on the front outer wall of the water tank (1), a water pump (3) fixedly installed on the top of the frame (2), a pumping hose (4) fixedly connected to the input end of the water pump (3), and the output end of the water pump (3) penetrating the front side of the water tank (1) and communicating with the interior of the water tank (1), characterized in that, Also includes: A filter screen (5) is fixedly installed on the inner wall of the front and rear sides of the water tank (1), and a cleaning structure is installed on the water tank (1). The cleaning structure is used to clean the impurities filtered out by the filter screen (5). The outlet (6) is located on one side of the water tank (1). The outlet (6) is equipped with an electromagnetic valve. The outer wall of the outlet (6) is fitted with a drip tube (7). The outer wall of the drip tube (7) is fitted with a support frame, which is used to support the drip tube (7).

2. The water-saving drip irrigation device for greenhouses according to claim 1, characterized in that: The cleaning structure includes a motor (12), a rotating rod (13), a swing rod (14), and a screen (15). The motor (12) is fixedly installed on the front outer wall of the water tank (1). The rotating rod (13) is rotatably installed on the front and rear inner walls of the water tank (1). The swing rod (14) is fixedly installed on the outer wall of the rotating rod (13). There are two screens (15) respectively fixedly installed on both ends of the swing rod (14). The output shaft of the motor (12) is fixedly installed on one end of the rotating rod (13). The screen (15) is in contact with the top of the filter screen (5).

3. The water-saving drip irrigation device for greenhouses according to claim 2, characterized in that: The support frame includes an elastic U-shaped clip (9), a plug rod (10), and a fixing bolt (11). The elastic U-shaped clip (9) is sleeved on the outer wall of the dropper (7), the plug rod (10) is located on the rear side of the elastic U-shaped clip (9), and the fixing bolt (11) is threaded onto the elastic U-shaped clip (9) and the plug rod (10).

4. The water-saving drip irrigation device for greenhouses according to claim 3, characterized in that: A guide plate (16) is fixedly installed on the outer wall of the other side of the water tank (1), and the guide plate (16) is inclined downward.

5. A water-saving drip irrigation device for greenhouses according to claim 4, characterized in that: The bottom of the dropper (7) is provided with equally spaced water outlet holes (8).

6. The water-saving drip irrigation device for greenhouses according to claim 5, characterized in that: The outer wall of the dropper (7) is fitted with a clamp.

7. A water-saving drip irrigation device for greenhouses according to claim 6, characterized in that: The top of the insertion rod (10) is spherical, and a water level sensor is fixedly installed on the inner wall of the water tank (1).

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