Drip irrigation device for agricultural seedling culture

Abstract

The utility model discloses a drip irrigation device for agricultural seedling raising, and relates to the technical field of agricultural seedling raising, in particular to a drip irrigation device for agricultural seedling raising, which comprises a cultivation frame, cultivation grooves for seedling raising are arranged on the cultivation frame, and a water supply pipe for drip irrigation in the cultivation grooves is arranged on the cultivation frame. A water tank for storing water is arranged at the bottom of the cultivation frame, a water pumping pipe for conveying water is installed in the middle of the top of the cultivation frame, a flow equalizing impeller for controlling water pressure is assembled in the water pumping pipe, one end of the flow equalizing impeller is fixedly connected with a switching valve for switching water ways, and the switching valve is connected with a water conveying pipe. According to the drip irrigation device for agricultural seedling culture, under the rotation action of the control valve rod, the opening degree of the drip irrigation pipe head can be controlled to control the amount of drip irrigation water, and the water pressure of a water path can be monitored through sensing of the water pressure sensor.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural seedling cultivation, in particular to a drip irrigation device used for agricultural seedling cultivation. Background Art

[0002] Seedling cultivation means cultivating seedlings, which means cultivating seedlings in nurseries, hotbeds or greenhouses in preparation for transplanting them into the land for planting. It can also refer to the stage when various organisms are artificially protected when they are small until they can survive independently. In the process of indoor experimental seedling cultivation, in order to ensure the healthy growth of seedlings, it is necessary to water the seedlings regularly. In order to reduce the labor intensity of workers, drip irrigation technology is generally used. Drip irrigation technology is to drip water slowly into the soil through drip irrigation tapes or drip irrigation pipes. It is an irrigation system that directly supplies water, fertilizers or other chemicals to the soil. It does not have spraying water or ditch water, but only lets the water drip slowly. Out, and penetrate into the soil under the action of gravity and capillary. When drip irrigation is carried out, irrigation is usually carried out by connecting pipes. When large-scale seedling cultivation is carried out, due to the scale of cultivation, the laying of the pipes is long, and then the water pressure at the tail end of the pipes is often insufficient, resulting in the seedlings cannot be irrigated in time, affecting their growth. In addition, when drip irrigation is carried out, due to the different cultivated varieties, the required amount of drip irrigation water is also different, and it cannot be adjusted according to specific use, which makes it inconvenient to use. For this reason, we propose a drip irrigation device for agricultural seedling cultivation. Utility Model Content

[0003] The utility model provides a drip irrigation device for agricultural seedling cultivation, which solves the problems raised by the above-mentioned background technology.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a drip irrigation device for agricultural seedling cultivation, comprising a cultivation frame, a cultivation trough for seedling cultivation is provided on the cultivation frame, and a water supply pipe for drip irrigation in the cultivation trough is arranged on the cultivation frame, a water tank for storing water is provided at the bottom of the cultivation frame, and a pumping pipe for water delivery is installed in the middle of the top of the cultivation frame, a flow-equalizing impeller for controlling water pressure is installed inside the pumping pipe, one end of the flow-equalizing impeller is fixedly connected to a switching valve for switching the water path, the switching valve is connected to the water supply pipe, and a flow-equalizing device for controlling the drip irrigation water volume of a single cultivation trough is connected to the switching valve.

[0005] Optionally, a water pump is fixed to the bottom of the water tank, the water outlet of the water pump is connected to a water suction pipe, one end of the water supply pipe extends into the interior of the water tank, and the water supply pipe is designed in a zigzag shape.

[0006] Optionally, the flow-balancing impeller can seal the interior of the water pumping pipe, and the flow-balancing impeller is multi-petal-shaped, and a control motor is fixed on the cultivation frame, and the output shaft of the control motor is connected to the flow-balancing impeller.

[0007] Optionally, a water pressure sensor for monitoring water flow pressure is fixedly connected to the inner wall of the water pumping pipe, and the water pressure sensor is connected to a control unit, and the control unit is connected to a control motor.

[0008] Optionally, the interior of the switching valve is circular and movably sleeved with a control valve seat, and three interconnected conversion ports are opened on the control valve seat. A driving threaded column is fixed to the top of the control valve seat, and the driving threaded column is movably sleeved with the switching valve.

[0009] Optionally, the top end of the driving threaded column extends out and is movably connected to a switching valve with an operating rod, a rubber gasket is installed between the operating rod and the switching valve, and a nut is threadedly mounted on the driving threaded column, and the bottom of the nut is in contact with the top of the operating rod.

[0010] Optionally, the flow equalizing device includes a drip irrigation pipe head and a control valve stem. The drip irrigation pipe head is fixedly installed on the water supply pipe and corresponds to the cultivation tanks one by one. The control valve stem is circularly plugged into the drip irrigation pipe head and can close the drip irrigation pipe head. The middle section of the control valve stem is threaded and fitted with the drip irrigation pipe head thread.

[0011] The utility model has the following beneficial effects:

[0012] 1. The drip irrigation device for agricultural seedling cultivation can control the degree of opening of the drip irrigation pipe head to control the amount of water for drip irrigation by rotating the control valve stem, monitor the water pressure of the water channel by sensing the water pressure sensor, and then control the water pressure of the water channel by rotating the flow-averaging impeller under the drive of the control motor, so as to ensure that the amount of water for drip irrigation can be changed smoothly, thereby achieving the effect of quantitative drip irrigation, making it more convenient to use.

[0013] 2. The drip irrigation device used for agricultural seedling cultivation can convert the water path and change the water flow route according to the specific cultivation conditions by controlling the rotation of the valve seat. When it is partially cultivating, it can effectively shorten the water flow path and reduce the energy consumption required by the water pump, thereby making its use more convenient and energy-saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the water supply pipe connection of the utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the water pipe connection of the utility model;

[0018] Figure 5 This is a structural diagram of the switching valve connection of the utility model;

[0019] Figure 6 This is a structural schematic diagram of the control valve seat connection of the utility model;

[0020] Figure 7 This is a schematic diagram of the structure of the water pumping pipe connection of the utility model;

[0021] Figure 8 This is a schematic diagram of the structure of the flow-averaging impeller connection of the utility model;

[0022] Fig. 9 It is a schematic diagram of the structure of the utility model at A;

[0023] In the figure: 1. Cultivation rack; 2. Cultivation trough; 3. Water suction pipe; 4. Water supply pipe; 5. Switching valve; 6. Water tank; 7. Water pump; 8. Flow-balancing impeller; 9. Control valve seat; 10. Control motor; 11. Operating lever; 12. Drive threaded column; 13. Nut; 14. Water pressure sensor; 15. Drip irrigation pipe head; 16. Control valve stem. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 9A drip irrigation device for agricultural seedling cultivation comprises a cultivation frame 1, a cultivation trough 2 for seedling cultivation is provided on the cultivation frame 1, and a water supply pipe 4 for drip irrigation in the cultivation trough 2 is provided on the cultivation frame 1, a water tank 6 for storing water is provided at the bottom of the cultivation frame 1, and a water pumping pipe 3 for water delivery is installed in the middle of the top of the cultivation frame 1, the water in the water tank 6 can be smoothly transported through the water pumping pipe 3, and a flow-averaging impeller 8 for controlling water pressure is installed inside the water pumping pipe 3, and the rotation of the flow-averaging impeller 8 can change the amount of water input into the water pumping pipe 3, thereby controlling the water pressure of the waterway, One end of the flow-equalizing impeller 8 is fixedly connected to a switching valve 5 for switching the water path. When partial seedling cultivation is carried out, the water flow transport path can be effectively shortened, thereby reducing the pressure on the water pressure control components. The switching valve 5 is connected to the water supply pipe 4. The pumping pipe 3 can be connected to the water supply pipe 4 through the switching valve 5, so that the water path can be switched. At the same time, a flow-equalizing device for controlling the drip irrigation water volume of a single cultivation tank 2 is connected to the switching valve 5. Under the control of the flow-equalizing device, the drip irrigation water volume can be changed to adapt to drip irrigation of different qualities, making it more convenient to use.

[0026] See also Figures 1 to 4 A water pump 7 is fixed at the bottom of the water tank 6, and the water outlet of the water pump 7 is connected to the water pumping pipe 3. Under the action of the water pump 7, the water in the water tank 6 can be smoothly transported to the water pumping pipe 3. One end of the water supply pipe 4 extends into the interior of the water tank 6, so that the excess water can smoothly flow back to the water tank 6. The water supply pipe 4 is designed in a zigzag shape, so as to increase the number of seedlings as much as possible.

[0027] See also Figures 1 to 4 and Figures 7 and 8 The flow-equalizing impeller 8 can seal the interior of the water pumping pipe 3, and the flow-equalizing impeller 8 is multi-petal-shaped. By changing the rotation rate of the flow-equalizing impeller 8, the water flow pressure in the water pumping pipe 3 can be changed, and then the water pressure can be controlled. A control motor 10 is fixed on the cultivation frame 1, and the output shaft of the control motor 10 is connected to the flow-equalizing impeller 8. Driven by the output shaft of the control motor 10, the flow-equalizing impeller 8 can rotate.

[0028] See also Figures 1 to 4 and Figures 7 and 8 A water pressure sensor 14 for monitoring the water flow pressure is fixedly connected to the inner wall of the water pumping pipe 3. The water pressure sensor 14 is connected to a control unit. When the water pressure sensor 14 detects that the water pressure in the water pumping pipe 3 changes, a signal is transmitted to the control unit. The control unit is connected to the control motor 10. The control unit controls the rotation rate of the control motor 10 to change the rotation of the flow-balancing impeller 8.

[0029] See also Figures 1 to 6The interior of the switching valve 5 is circular and movably sleeved with a control valve seat 9, which limits the rotational position of the control valve seat 9 so that the control valve seat 9 can rotate at a fixed position, and three interconnected conversion ports are provided on the control valve seat 9. By connecting and switching the conversion ports, the water path can be changed. A driving threaded column 12 is fixed to the top of the control valve seat 9. Driven by the driving threaded column 12, the control valve seat 9 can rotate. The driving threaded column 12 is movably sleeved with the switching valve 5, thereby further limiting the rotational position of the control valve seat 9.

[0030] See also Figures 1 to 6 The top end of the driving threaded column 12 extends out of the switching valve 5 and is movably connected to the operating rod 11. The driving threaded column 12 and the operating rod 11 are movably connected in a cross shape, so that the operating rod 11 can drive the driving threaded column 12 to rotate. A rubber gasket is installed between the operating rod 11 and the switching valve 5. At the same time, a nut 13 is threadedly sleeved on the driving threaded column 12. The bottom of the nut 13 is in contact with the top of the operating rod 11. By rotating the nut 13, the friction between the operating rod 11 and the switching valve 5 is changed, thereby adjusting the rotation sensitivity of the operating rod 11.

[0031] See also Figures 1 to 4 and Fig. 9 The flow equalizing device includes a drip irrigation pipe head 15 and a control valve stem 16. The drip irrigation pipe head 15 is fixedly installed on the water supply pipe 4 and corresponds to the cultivation tank 2 one by one. The seedlings in the cultivation tank 2 can be drip-irrigated through the drip irrigation pipe head 15. The control valve stem 16 is circularly plugged into the drip irrigation pipe head 15 and the control valve stem 16 can close the drip irrigation pipe head 15. The middle section of the control valve stem 16 is threaded and threadedly mounted with the drip irrigation pipe head 15. Then, by rotating the control valve stem 16, the opening degree of the drip irrigation pipe head 15 can be controlled to adjust the amount of water for its drip irrigation.

[0032] In summary, when the drip irrigation device for agricultural seedling cultivation is used, under the action of the water pump 7, the water in the water tank 6 can be transported to the water pump 3, and then transported to the water supply pipe 4 through the switching valve 5, and finally drip-irrigated to the cultivation tank 2 through the drip irrigation pipe head 15 for seedling cultivation. When cultivating seedlings, the control valve stem 16 can be rotated according to the degree of production to control the amount of water for drip irrigation to ensure that they can grow smoothly. When switching the water path, the operating lever 11 is rotated, and then the control valve seat 9 is driven to rotate, so that the conversion port on the control valve seat 9 can be connected to the corresponding water supply pipe 4, so that the water pump 3 and the water supply pipe 4 can be connected. When the water pressure in its water path changes, its water pressure sensor 14 senses its water pressure and transmits a signal to the control unit, and then controls the control motor 10. Under the control of the output shaft of the control motor 10, the rotation speed of the flow-averaging impeller 8 can be controlled, thereby controlling its water pressure, and excess water can flow into the water tank 6 through the water supply pipe 4.

[0033] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drip irrigation device for agricultural seedling cultivation, comprising a cultivation frame (1), a cultivation trough (2) for cultivating seedlings being provided on the cultivation frame (1), and a water supply pipe (4) for drip irrigation into the cultivation trough (2) being provided on the cultivation frame (1), characterized in that: A water tank (6) for storing water is provided at the bottom of the cultivation rack (1), and a water pumping pipe (3) for conveying water is installed in the middle of the top of the cultivation rack (1). A flow balancing impeller (8) for controlling water pressure is installed inside the water pumping pipe (3). A switching valve (5) for switching the water path is fixedly connected to one end of the flow balancing impeller (8). The switching valve (5) is connected to the water supply pipe (4). At the same time, a flow balancing device for controlling the amount of drip irrigation water for a single cultivation tank (2) is connected to the switching valve (5).

2. A drip irrigation device for agricultural seedling cultivation according to claim 1, characterized in that: A water pump (7) is fixed at the bottom of the water tank (6); a water outlet of the water pump (7) is connected to a water pumping pipe (3); one end of the water supply pipe (4) extends into the interior of the water tank (6); and the water supply pipe (4) is designed in a zigzag shape.

3. A drip irrigation device for agricultural seedling cultivation according to claim 2, characterized in that: The flow-balancing impeller (8) is capable of sealing the interior of the water pumping pipe (3), and the flow-balancing impeller (8) is multi-petal shaped. A control motor (10) is fixed on the cultivation frame (1), and an output shaft of the control motor (10) is connected to the flow-balancing impeller (8).

4. A drip irrigation device for agricultural seedling cultivation according to claim 3, characterized in that: A water pressure sensor (14) for monitoring water flow pressure is fixedly connected to the inner wall of the water pumping pipe (3); the water pressure sensor (14) is connected to a control unit, and the control unit is connected to a control motor (10).

5. A drip irrigation device for agricultural seedling cultivation according to claim 1, characterized in that: The interior of the switching valve (5) is circular and movably sleeved with a control valve seat (9), and three interconnected switching ports are provided on the control valve seat (9). A driving threaded column (12) is fixed to the top of the control valve seat (9), and the driving threaded column (12) is movably sleeved with the switching valve (5).

6. A drip irrigation device for agricultural seedling cultivation according to claim 5, characterized in that: The top end of the driving threaded column (12) extends out of the switching valve (5) and is movably connected to an operating rod (11). A rubber gasket is installed between the operating rod (11) and the switching valve (5). At the same time, a nut (13) is threadedly mounted on the driving threaded column (12), and the bottom of the nut (13) is in contact with the top of the operating rod (11).

7. A drip irrigation device for agricultural seedling cultivation according to claim 1, characterized in that: The flow equalizing device comprises a drip irrigation pipe head (15) and a control valve stem (16); the drip irrigation pipe head (15) is fixedly mounted on the water supply pipe (4) and the drip irrigation pipe heads (15) correspond to the cultivation tanks (2) one by one; the control valve stem (16) is circularly plugged into the drip irrigation pipe head (15) and can close the drip irrigation pipe head (15); a middle section of the control valve stem (16) is provided with a thread and is threadably mounted on the drip irrigation pipe head (15).

Images