Rice water-saving irrigation system based on soil moisture regulation and control

Abstract

The utility model provides a rice water-saving irrigation system based on soil moisture regulation and control, and relates to the field of irrigation systems, the rice water-saving irrigation system based on soil moisture regulation and control comprises a water inlet pipe, the top end of the water inlet pipe is provided with a filtering device, the filtering device is located in a water channel, and the bottom end of the water inlet pipe is communicated with a water storage tank; according to the utility model, in seasons with less rain, rainwater can be pumped from the water storage tank through the water pump, enters the header pipe through the water pumping pipe and the water pump, is dispersed into the branch pipes, and is sprayed out from the spray pipes on the branch pipes to act on the rice field, so that the water in the rice field can be pumped out, and the water in the rice field can be sprayed out. In addition, the flow guide frame disperses the rainwater, the dispersed rainwater falls off from the position, close to the top end, of the water filtering frame, at the moment, the rainwater falls off along the water filtering holes, and gravel and the like move downwards into the collecting barrel along the inner wall of the water filtering frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of irrigation system especially relates to a rice water saving irrigation system based on soil moisture regulation and control. BACKGROUND

[0002] Rice is also called rice or paddy rice, a kind of edible grain, annual herb, and is commonly known as "rice" or "grain" in the south of China, and the shelled food is rice. Northeast rice is currently non-genetically modified. Cooked and called rice (Chinese northern dialect) or white rice (Chinese southern dialect). Rice is one of China's main food crops, with a long history of planting, and planting area. Rice is not only food, but also can be used as raw materials for brewing wine and making sugar.

[0003] During the growth of rice, continuous rain or heavy rain can cause water accumulation in the field, hinder the respiration of rice roots, cause root rot, and make the plant prone to lodging. After lodging, the rice ear contacts the ground, is prone to germination or mold, resulting in yield and quality reduction. Too little rain can also cause soil water shortage, and insufficient water during tillering can inhibit tillering, resulting in small plants and reduced effective ear number. Water shortage during young ear differentiation period can reduce the number of grains per ear, and high temperature and drought during heading stage can easily cause "neck drought".

[0004] Therefore, it is necessary to provide a new rice water saving irrigation system based on soil moisture regulation and control to solve the above technical problems. INVENTION CONTENTS

[0005] To solve the above technical problems, the utility model provides a rice water saving irrigation system based on soil moisture regulation and control.

[0006] The rice water saving irrigation system based on soil moisture regulation and control provided by the utility model is applied in a rice field, a water channel is excavated in the rice field, and the system comprises a water inlet pipe, a filter device is installed at the top end of the water inlet pipe, the filter device is located in the water channel, a water storage tank is connected to the bottom end of the water inlet pipe, a water pumping device is connected to the water storage tank, and the water pumping device is used to spray water in the water storage tank in the rice field.

[0007] The filter device comprises a water filtering assembly, a water filtering frame and a collecting cylinder, the water filtering assembly is detachably installed on the water inlet pipe, the bottom end of the water filtering assembly is fixedly connected with the water filtering frame, the water filtering frame has a gradually tapered horn-shaped structure from top to bottom, a plurality of water filtering holes are formed in the water filtering frame, and the top end of the collecting cylinder is fixedly connected to the top of the water filtering frame.

[0008] Preferably, the water filtering assembly comprises a primary filter frame, a threaded ring, a pad plate and a flow guide frame, the top of the primary filter frame is a pointed end, the primary filter frame is tapered from top to bottom, the sidewall of the primary filter frame is provided with primary filter holes with a larger diameter than the water filtering holes, the bottom end of the primary filter frame is fixed with a fixing ring, the outer wall of the fixing ring is fixed with the threaded ring, the inner wall of the threaded ring is threadedly connected with the outer wall of the water inlet pipe, the pad plate is arranged at the top end of the water inlet pipe, the center of the pad plate is provided with a through hole, the pad plate is fixedly connected with the flow guide frame through a connecting rod, the flow guide frame is tapered from top to bottom, and the connecting rod is fixedly connected with the water filtering frame.

[0009] Preferably, the inner wall of the fixing ring is further fixedly connected with a drainage frame, the drainage frame is tapered from top to bottom, and the bottom end of the drainage frame is opposite to the through hole in the center of the pad plate.

[0010] Preferably, after the threaded ring is installed on the water inlet pipe, the bottom end of the fixing ring is pressed on the pad plate.

[0011] Preferably, the water pumping device comprises a water pumping pipe, a water pump, a main pipe and a plurality of branch pipes, one end of the water pumping pipe is in communication with the inner cavity of the water storage tank, the input end of the water pump is fixedly communicated with the water pumping pipe, one end of the main pipe is fixedly communicated with the output end of the water pump, a plurality of branch pipes are fixedly communicated on the main pipe, and a plurality of spray pipes are fixedly installed on the branch pipes and are distributed at equal intervals.

[0012] Preferably, the outer diameter of the pad plate is equal to the outer diameter of the water inlet pipe.

[0013] Compared with the related art, the water-saving irrigation system for rice based on soil moisture regulation has the following beneficial effects:

[0014] 1. In the case of continuous heavy rain, rainwater flows to the filtering device and enters the water storage tank, in the case of a dry season, the water pump can pump rainwater out of the water storage tank, the rainwater enters the main pipe through the water pumping pipe and the water pump, and is dispersed into a plurality of branch pipes, and is sprayed from a plurality of spray pipes on the branch pipes to act on the rice field, thereby realizing rainwater regulation and achieving water-saving effect.

[0015] 2. Since the top of the primary filter frame is a pointed end and the primary filter frame is tapered from top to bottom, when the impurities such as fallen leaves are attached to the primary filter frame, they can move downward along the inclined surface of the primary filter frame under the subsequent rainwater scouring, so that the primary filter holes are not easily blocked, and the filtered water falls from the through hole in the center of the pad plate to the flow guide frame under the guiding action of the drainage frame, and the flow guide frame disperses the rainwater, and the dispersed rainwater falls from the position close to the top end of the water filtering frame, at this time, the rainwater falls along the water filtering holes, and the gravel moves along the inner wall of the water filtering frame to the collecting cylinder.

[0016] 3. When removing gravel and other impurities from the collection cylinder, rotate the fixing ring. The fixing ring will drive the threaded ring to rotate. The threaded ring will rotate and move upward on the water inlet pipe. After the threaded ring is rotated out, the pad will no longer be limited by the fixing ring. At this time, the pad can be removed directly, which makes it easier to pour out the impurities in the collection cylinder. Attached Figure Description

[0017] Figure 1 A schematic diagram of the structure of the rice water-saving irrigation system based on soil moisture regulation provided by this utility model;

[0018] Figure 2 for Figure 1 A partial structural diagram of the structure shown;

[0019] Figure 3 for Figure 2 A cross-sectional structural diagram of the structure shown.

[0020] Figure 4 for Figure 2 The diagram shows a decomposed structural design.

[0021] The following are the labels in the diagram: 1. Inlet pipe; 2. Water storage tank; 3. Filter rack; 4. Collection cylinder; 5. Filter hole; 6. Primary filter rack; 7. Threaded ring; 8. Pad plate; 9. Flow guide rack; 10. Fixing ring; 11. Connecting rod; 12. Flow guide rack; 13. Pumping pipe; 14. Main pipe; 15. Branch pipe; 16. Spray pipe. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] In the specific implementation process, such as Figures 1-4 As shown, it includes an inlet pipe 1, a filter device installed at the top of the inlet pipe 1, the filter device is located in the water channel, the bottom end of the inlet pipe 1 is connected to a water storage tank 2, and a pumping device is connected to the water storage tank 2. The pumping device is used to spray the water in the water storage tank 2 into the paddy field.

[0024] The filtration device includes a water filter assembly, a water filter frame 3, and a collection cylinder 4. The water filter assembly is detachably installed on the water inlet pipe 1. The bottom end of the water filter assembly is fixedly connected to the water filter frame 3. The water filter frame 3 has a tapered funnel-shaped structure from top to bottom. Multiple water filter holes 5 are opened on the water filter frame 3. The top end of the collection cylinder 4 is fixedly connected to the top of the water filter frame 3. The bottom of the collection cylinder 4 has a through hole for water filtration. Rainwater falls along the water filter holes 5, and gravel and other debris move down along the inner wall of the water filter frame 3 into the collection cylinder 4. The liquid remaining on the gravel can fall into the water inlet pipe 1 through the through hole at the bottom of the collection cylinder 4, which facilitates the removal of impurities.

[0025] The water filtering assembly comprises a primary filtering frame 6, a threaded ring 7, a pad plate 8 and a flow guide frame 9, the top of the primary filtering frame 6 is a pointed end, the primary filtering frame 6 is tapered from top to bottom, the sidewall of the primary filtering frame 6 is provided with a primary filtering hole with a larger diameter than the water filtering hole 5, the bottom end of the primary filtering frame 6 is fixed with a fixing ring 10, the outer wall of the fixing ring 10 is fixed with the threaded ring 7, the inner wall of the threaded ring 7 is threadedly connected with the outer wall of the water inlet pipe 1, the pad plate 8 is arranged at the top end of the water inlet pipe 1, the center of the pad plate 8 is provided with a through hole, the outer diameter of the pad plate 8 is equal to the outer diameter of the water inlet pipe 1, the pad plate 8 is fixedly connected with the flow guide frame 9 through a connecting rod 11, the flow guide frame 9 is tapered from top to bottom, the connecting rod 11 is fixedly connected with the water filtering frame 3, larger impurities such as fallen leaves in the rainwater are filtered out by the primary filtering hole on the primary filtering frame 6, since the top of the primary filtering frame 6 is a pointed end and the primary filtering frame 6 is tapered from top to bottom, when the impurities such as fallen leaves are attached to the primary filtering frame 6, they can move downward along the inclined surface of the primary filtering frame 6 under the subsequent scouring of the rainwater, so that the primary filtering hole is not easily blocked.

[0026] A flow guide frame 12 is further fixedly connected to the inner wall of the fixing ring 10, the flow guide frame 12 is tapered from top to bottom, the bottom end of the flow guide frame 12 is opposite to the through hole in the center of the pad plate 8, the filtered water falls from the through hole in the center of the pad plate 8 to the flow guide frame 9 under the guiding action of the flow guide frame 12, the flow guide frame 9 disperses the rainwater, after the threaded ring 7 is installed on the water inlet pipe 1, the bottom end of the fixing ring 10 is pressed on the pad plate 8.

[0027] The water pumping device comprises a water pumping pipe 13, a water pump, a main pipe 14 and a plurality of branch pipes 15, one end of the water pumping pipe 13 is in communication with the inner cavity of the water storage tank 2, the input end of the water pump is fixedly communicated with the water pumping pipe 13, one end of the main pipe 14 is fixedly communicated with the output end of the water pump, a plurality of branch pipes 15 are fixedly communicated on the main pipe 14, a plurality of spray pipes 16 are fixedly installed on the branch pipes 15 at equal intervals, in continuous heavy rain weather, the rainwater flows to the filtering device and enters the water storage tank 2, in a light rain season, the rainwater can be pumped out of the water storage tank 2 by the water pump, the rainwater enters the main pipe 14 through the water pumping pipe 13 and the water pump, and is dispersed into the plurality of branch pipes 15, and is sprayed from the plurality of spray pipes 16 on the branch pipes 15 to act on the paddy field, so as to realize the regulation of the rainwater and achieve the effect of water saving.

[0028] Working principle: when using the device, the filter device is placed in the water channel of the rice field, in the continuous heavy rain, rain flows to the filter device, at this time, the fallen leaves and other larger impurities that may exist in the rain are filtered out by the primary filter hole on the primary filter frame 6, because the top of the primary filter frame 6 is a sharp end, the primary filter frame 6 is gradually released from top to bottom, so when the fallen leaves and other impurities are attached to the primary filter frame 6, they can move down along the slope of the primary filter frame 6 under the subsequent rainwater scouring, so that the primary filter hole is not easy to be blocked, the filtered water falls through the guide hole of the center of the base plate 8 to the guide frame 9 under the guide action of the guide frame 12, the guide frame 9 disperses the rainwater, the dispersed rainwater falls from the position near the top end of the filter frame 3, at this time, the rainwater falls along the filter water hole 5, the gravel moves along the inner wall of the filter frame 3 to the collecting cylinder 4, the liquid remaining on the gravel can fall through the through hole at the bottom of the collecting cylinder 4 into the water inlet pipe 1, the rainwater in the water inlet pipe 1 falls into the water storage tank 2, in the dry season, the rainwater can be pumped out from the water storage tank 2, the rainwater enters the main pipe 14 through the water pump and the water pump, and is dispersed into a plurality of branch pipes 15, and is sprayed from a plurality of spray pipes 16 on the branch pipe 15 to act on the rice field, so as to realize the regulation of rainwater and achieve the effect of water saving, in addition, when the gravel and other impurities in the collecting cylinder 4 are taken out, the fixed ring 10 is rotated, the fixed ring 10 drives the threaded ring 7 to rotate, the threaded ring 7 rotates and moves upward on the water inlet pipe 1, after the threaded ring 7 is rotated out, the base plate 8 is no longer limited by the fixed ring 10, at this time, the base plate 8 is directly taken out, so that the impurities in the collecting cylinder 4 can be poured out.

[0029] The circuit and the control involved in the utility model are prior art, and will not be described in detail here.

[0030] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A water-saving irrigation system for rice based on soil moisture regulation, which is applied in a rice field in which a water channel is excavated, characterized in that, The utility model provides an irrigation device for rice field, which comprises a water inlet pipe (1), a filter device is installed at the top end of the water inlet pipe (1), the filter device is located in a water channel, a water storage tank (2) is communicated with the bottom end of the water inlet pipe (1), a water pumping device is communicated with the water storage tank (2), and the water pumping device is used for spraying water in the water storage tank (2) to a rice field. The filter device comprises a water filtering assembly, a water filtering frame (3) and a collecting cylinder (4), the water filtering assembly is detachably installed on the water inlet pipe (1), the water filtering assembly is fixedly connected with the water filtering frame (3) at the bottom end, the water filtering frame (3) is in a gradually tapered horn shape from top to bottom, a plurality of water filtering holes (5) are formed in the water filtering frame (3), and the collecting cylinder (4) is fixedly connected to the top of the water filtering frame (3).

2. The soil moisture regulated water-efficient irrigation system for rice as claimed in claim 1 wherein, The water filtering assembly comprises a primary filtering frame (6), a threaded ring (7), a backing plate (8) and a flow guide frame (9), the top of the primary filtering frame (6) is a pointed end, the primary filtering frame (6) is in a gradually tapered shape from top to bottom, a plurality of primary filtering holes with a larger aperture than the water filtering holes (5) are formed in the sidewall of the primary filtering frame (6), a fixing ring (10) is fixedly connected to the bottom end of the primary filtering frame (6), the threaded ring (7) is fixedly connected to the outer wall of the fixing ring (10), the inner wall of the threaded ring (7) is threadedly connected with the outer wall of the water inlet pipe (1), the backing plate (8) is arranged at the top end of the water inlet pipe (1), a through hole is formed in the center of the backing plate (8), the flow guide frame (9) is fixedly connected to the backing plate (8) through a connecting rod (11), the flow guide frame (9) is in a gradually tapered shape from top to bottom, and the connecting rod (11) is fixedly connected with the water filtering frame (3).

3. The rice water-saving irrigation system based on soil moisture regulation according to claim 2, characterized in that, The inner wall of the fixing ring (10) is further fixedly connected with a flow guide frame (12), the flow guide frame (12) is in a gradually tapered shape from top to bottom, and the bottom end of the flow guide frame (12) is opposite to the through hole in the center of the backing plate (8).

4. The rice water-saving irrigation system based on soil moisture regulation according to claim 2, characterized in that, After the threaded ring (7) is installed on the water inlet pipe (1), the bottom end of the fixing ring (10) is pressed on the backing plate (8).

5. The soil moisture regulated water-efficient irrigation system for rice as claimed in claim 1 wherein, The water pumping device comprises a water pumping pipe (13), a water pump, a main pipe (14) and a plurality of branch pipes (15), one end of the water pumping pipe (13) is communicated with the inner cavity of the water storage tank (2), the input end of the water pump is fixedly communicated with the water pumping pipe (13), one end of the main pipe (14) is fixedly communicated with the output end of the water pump, a plurality of branch pipes (15) are fixedly communicated with the main pipe (14), and a plurality of equally-distributed spray pipes (16) are fixedly installed on the branch pipes (15).

6. The soil moisture regulated water-efficient irrigation system for rice as claimed in claim 2 wherein, The outer diameter of the backing plate (8) is equal to the outer diameter of the water inlet pipe (1).

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