Water and fertilizer integrated irrigation device for agricultural greenhouse

Abstract

The utility model relates to the technical field of irrigation devices, in particular to a water and fertilizer integrated irrigation device for an agricultural greenhouse, which improves the fertilizer application efficiency by additionally arranging sprinkling irrigation equipment and spraying foliar fertilizer when necessary, and controls the pipeline to be communicated and closed by arranging an electromagnetic valve, so that the irrigation efficiency is improved. The internal pressure of the pipeline is controlled, and fertilizer-deficient blocks can be independently irrigated; comprising a filtering device; the system further comprises a fertilizer tank, a fertilizer and water mixing device and an irrigation device, the fertilizer tank is installed on the filtering device, the fertilizer and water mixing device is installed on the filtering device and the fertilizer tank, and the irrigation device is installed on the fertilizer and water mixing device; the filtering device filters stored water, the fertilizer tank prepares liquid fertilizer, the fertilizer and water mixing device mixes and distributes the fertilizer and water, and the irrigation device irrigates crops.

Description

Technical Field

[0001] The utility model relates to the technical field of irrigation devices, in particular to a water-fertilizer integrated irrigation device for agricultural greenhouses. Background Art

[0002] Integrated water-fertilizer technology refers to a new agricultural technology that integrates irrigation and fertilization.

[0003] For example, in a type of existing technology represented by a solar-powered fully automatic water-fertilizer integrated drip irrigation equipment with publication number CN211831876U, its main structure includes a water-fertilizer supply system, a solar power supply system and a field drip irrigation system. The water-fertilizer supply system mixes and provides fertilizer and water, the solar power supply system supplies power to other systems, and the field drip irrigation system irrigates crops.

[0004] However, existing irrigation devices still have the following problems: the fertilization and irrigation means are single and the fertilizer efficiency is poor; and it is difficult to control the pipeline pressure, resulting in uneven fertilizer and water irrigation. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an agricultural greenhouse water and fertilizer integrated irrigation device that improves the fertilizer application efficiency by adding sprinkler equipment and spraying foliar fertilizer when necessary. It also provides an electromagnetic valve to control the connection and closure of the pipeline, so that the internal pressure of the pipeline is controlled and fertilizer-deficient blocks can be irrigated separately.

[0006] The utility model discloses an integrated water-fertilizer irrigation device for an agricultural greenhouse, comprising a filtering device; a fertilizer tank, a fertilizer-water mixing device and an irrigation device, wherein the fertilizer tank is mounted on the filtering device, the fertilizer-water mixing device is mounted on the filtering device and the fertilizer tank, and the irrigation device is mounted on the fertilizer-water mixing device; the filtering device filters and stores water, the fertilizer tank modulates liquid fertilizer, the fertilizer-water mixing device mixes and distributes fertilizer and water, and the irrigation device irrigates crops.

[0007] Preferably, the filtering device includes a water tank, multiple groups of activated sand filters, a pipe filter, a water pump and a filter pumping head. The water tank and the activated sand filter are both installed on the ground. A chamber is provided inside the water tank. A four-way pipe is provided at the left end of the water tank. The four-way pipe is communicated with the interior of the water tank. The pipe filter is installed on the activated sand filter. The water pump is installed on the ground. The filter pumping head is connected to the water pump through a hose. When working, water flows from the filter pumping head through the water pump, the pipe filter and the activated sand filter to the water tank; when the water inside the water tank is not full, the water pump is turned on, and the water pump pumps water through the filter pumping head. The filter pumping head filters larger impurities to prevent damage to the water pump. The pipe filter filters smaller particulate matter to reduce pollution to the activated sand filter. The activated sand filter absorbs tiny impurities in the water that are difficult to filter and improves water quality. Multiple groups of activated sand filters are connected in series to enhance the filtering effect.

[0008] Preferably, the fertilizer tank includes a plurality of brackets, a tank body, a reducer, a motor, an agitator, a ring beam, a measuring hopper, a hopper and two electric control valve plates, the plurality of brackets are installed on the ground, the tank body is installed at the top of the bracket, and a chamber is provided inside the tank body, and an opening is provided at the top, the reducer is installed at the bottom of the tank body, the motor is installed at the left end of the reducer, the agitator is installed at the bottom of the tank body, and the motor provides power to the agitator through the reducer, the ring beam, the measuring hopper and the hopper are all installed inside the tank body, and the ring beam inside A force sensor is installed, and the top of the annular beam contacts the bottom of the outer edge of the measuring hopper. The hopper is located above the measuring hopper. Two electric control valve plates are connected and installed at the bottom of the measuring hopper and the hopper. Solid fertilizer is placed in the hopper, but when liquid fertilizer needs to be prepared, the electric control valve plate on the hopper is opened to allow the fertilizer to fall into the measuring hopper. After the annular beam measures that there is enough fertilizer, the electric control valve plate on the hopper is closed, and the electric control valve plate on the measuring hopper is opened to allow the fertilizer to fall into the lower part of the tank chamber. Then, the motor is turned on to rotate the stirrer to stir the mixture of fertilizer and water to accelerate dissolution.

[0009] Preferably, the fertilizer tank further comprises a channel pipe, a tee pipe, a pipeline pump and a flow meter. The channel pipe is installed at the rear end of the tank body, the tee pipe is installed at the front end of the tank body, and the channel pipe and the tee pipe are both communicated with the interior of the tank body. The pipeline pump and the flow meter are both installed on the channel pipe and communicated with the channel pipe. The right end of the channel pipe is installed at the rear end pipe opening of the four-way pipe. The pipeline pump and the flow meter cooperate to pump water into the tank body in a quantitative manner to ensure that the fertilizer concentration meets the standard.

[0010] Preferably, the fertilizer-water mixing device includes a bracket 2, two sets of pipeline pumps 2, two sets of flow meters 2, two reducing pipe joints, two tees 2, two pipelines 2, multiple water distribution pipes 1, two sets of pipelines 3 and two sets of pipelines 4. The bracket 2 is installed on the ground, the two sets of pipeline pumps 2 are respectively installed on the top of the bracket 2 and the ground, the two sets of flow meters 2 are respectively installed on the two sets of pipeline pumps 2, the two reducing pipe joints are respectively installed on the two sets of flow meters 2, the two tees 2 are respectively installed on the two sets of flow meters 2, the two pipelines 2 are respectively installed on the two tees 2, and the multiple water distribution pipes 1 are evenly installed on the two On group two, two groups of pipes three and two groups of pipes four are respectively installed on two groups of pipe pumps two, two groups of pipes three are respectively installed at the remaining two pipe openings of the four-way pipe, two groups of pipe pumps two are both installed at the front end of the three-way pipe one, and multiple water distribution pipes are all provided with solenoid valves, and except for the bracket two, they are all connected according to the installation relationship; pipe pump two and flow meter two cooperate to control the ratio of fertilizer and water pumped out, the reducer pipe joint reduces the pipe diameter to more finely control the fertilizer concentration, the three-way pipe two mixes the fertilizer and water and then inputs it into pipe two, the solenoid valve controls the time when the fertilizer and water enter the water distribution pipe one, so that the fertilizer and water are evenly distributed in each water distribution pipe one.

[0011] Preferably, the irrigation device includes two groups of water pipes 2, multiple groups of drippers and multiple groups of sprinkler devices. The two groups of water pipes 2 are each installed on two pipes 2 through multiple water distribution pipes 1. Multiple drainage ports are arranged at intervals on the two groups of water pipes 2, and electromagnetic valves are provided in the drainage ports. Multiple groups of drippers are evenly installed on the drainage ports of one group of water pipes 2, and multiple groups of sprinkler devices are evenly installed on the drainage ports of the other group of water pipes 2; the water distribution pipes 2 distribute fertilizer and water to each dripper and sprinkler device through the electromagnetic valve, the dripper limits the liquid flow to achieve a drip irrigation effect, and the sprinkler device irrigates the crops.

[0012] Preferably, the sprinkler irrigation device includes pipe five, pipe six and a sprinkler head, pipe five is fixedly installed on the water distribution pipe two, pipe six is ​​rotatably installed at the top end of pipe five, and the sprinkler head is fixedly installed at the right end of pipe six. During operation, the liquid moves from pipe five to the sprinkler head; during the sprinkler irrigation process, the kinetic energy of the sprinkler head spraying water causes pipe six and the sprinkler head to rotate around pipe five, and the rotation action causes the sprinkler head to spray fertilizer water evenly, thereby improving the fertilization effect.

[0013] Compared with the existing technology, the beneficial effects of the utility model are: filtering water sources through the filtering device, improving the quality of irrigation water, and reducing the spread of pests and diseases; and adding a sprinkler device to apply foliar fertilizer to crops, enhance fertilizer efficiency, and promote plant absorption; and solenoid valves are set on the entire pipeline of the irrigation device to accurately control the amount of fertilizer and water sown, improve fertilization efficiency and reduce uneven fertilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an axonometric structural diagram of the present utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the utility model from above;

[0016] Figure 3 It is an axonometric structural diagram of the filtering device;

[0017] Figure 4 It is a schematic diagram of the right side cross-sectional structure of the fertilizer tank;

[0018] Figure 5 This is a schematic diagram of the structure of the fertilizer-water mixing device from above;

[0019] Figure 6 This is a right-side structural diagram of the fertilizer-water mixing device;

[0020] Figure 7 It is an axonometric structural diagram of the irrigation device;

[0021] Figure 8 It is an enlarged front view structural diagram of the sprinkler irrigation device.

[0022] Marked in the drawing: 01, filter device; 11, water tank; 12, active sand filter; 13, pipeline filter; 14, water pump; 15, filter water pump head; 02, fertilizer tank; 21, support one; 22, tank body; 23, speed reducer; 24, motor; 25, stirrer; 26, ring beam; 27, measuring bucket; 28, hopper; 29, electric control valve plate; 03, fertilizer and water mixing device; 31, support two; 32, pipeline pump two; 33, flow meter two; 34, reducing pipe joint; 35, three-way pipe two; 36, pipeline two; 37, water distribution pipe one; 38, pipeline three; 39, pipeline four; 04, irrigation device; 41, water distribution pipe two; 42, dripper; 05, sprinkler irrigation device; 51, pipeline five; 52, pipeline six; 53, sprinkler head; 61, pipeline one; 62, three-way pipe one; 63, pipeline pump one; 64, flow meter one. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0024] The agricultural greenhouse water and fertilizer integrated irrigation device of the present application comprises a filter device 01; further comprises a fertilizer tank 02, a fertilizer and water mixing device 03 and an irrigation device 04, the fertilizer tank 02 is installed on the filter device 01, the fertilizer and water mixing device 03 is installed on the filter device 01 and the fertilizer tank 02, and the irrigation device 04 is installed on the fertilizer and water mixing device 03; the filter device 01 filters and stores water, the fertilizer tank 02 regulates liquid fertilizer, the fertilizer and water mixing device 03 mixes and distributes fertilizer and water, and the irrigation device 04 irrigates crops;

[0025] The filter device 01 comprises a water tank 11, a plurality of active sand filters 12, a pipeline filter 13, a water pump 14 and a filter water pump head 15, the water tank 11 and the active sand filter 12 are both installed on the ground, the water tank 11 is internally provided with a chamber, the left end of the water tank 11 is provided with a four-way pipe, the four-way pipe is communicated with the inside of the water tank 11, the pipeline filter 13 is installed on the active sand filter 12, the water pump 14 is installed on the ground, and the filter water pump head 15 is connected and installed on the water pump 14 through a hose, and when working, water flows from the filter water pump head 15 to the water tank 11 through the water pump 14, the pipeline filter 13 and the active sand filter 12;

[0026] The fertilizer tank 02 includes a plurality of brackets 21, a tank body 22, a reducer 23, a motor 24, an agitator 25, an annular beam 26, a measuring hopper 27, a hopper 28 and two electrically controlled valve plates 29. The plurality of brackets 21 are all installed on the ground. The tank body 22 is installed at the top of the bracket 21. The interior of the tank body 22 is provided with a chamber and the top is provided with an opening. The reducer 23 is installed at the bottom of the tank body 22. The motor 24 is installed at the left end of the reducer 23. The agitator 25 is installed at the bottom of the tank body 22. The motor 24 provides power to the agitator 25 through the reducer 23. The annular beam 26, the measuring hopper 27 and the hopper 28 are all installed inside the tank body 22. The annular beam 26 A force sensor is installed inside, and the top of the annular beam 26 contacts the bottom of the outer edge of the measuring hopper 27. The hopper 28 is located above the measuring hopper 27. Two electric control valve plates 29 are installed in communication with the bottom ends of the measuring hopper 27 and the hopper 28. The fertilizer tank 02 also includes a channel pipe 61, a three-way pipe 62, a pipeline pump 63 and a flow meter 64. The channel pipe 61 is installed at the rear end of the tank body 22, and the three-way pipe 62 is installed at the front end of the tank body 22. The channel pipe 61 and the three-way pipe 62 are both connected to the interior of the tank body 22. The pipeline pump 63 and the flow meter 64 are both installed on the channel pipe 61 and communicate with the channel pipe 61. The right end of the channel pipe 61 is installed at the rear end of the four-way pipe.

[0027] The fertilizer-water mixing device 03 includes a bracket 2 31, two sets of pipeline pumps 2 32, two sets of flow meters 2 33, two reducing pipe joints 34, two tee pipes 2 35, two pipelines 2 36, multiple water distribution pipes 1 37, two sets of pipelines 38 and two sets of pipelines 4 39. The bracket 2 31 is installed on the ground, the two sets of pipeline pumps 2 32 are respectively installed on the top of the bracket 2 31 and the ground, the two sets of flow meters 2 33 are respectively installed on the two sets of pipeline pumps 2 32, and the two reducing pipe joints 34 are respectively installed on the two sets of flow meters 2 33. , two tee pipes 2 35 are respectively installed on the two groups of flow meters 2 33, two pipes 2 36 are respectively installed on the two tee pipes 2 35, multiple water distribution pipes 1 37 are evenly installed on the two groups of pipes 2 36, two groups of pipes 3 38 and two groups of pipes 4 39 are respectively installed on the two groups of pipeline pumps 2 32, two groups of pipes 3 38 are respectively installed at the remaining two pipe openings of the four-way pipe, two groups of pipeline pumps 2 32 are both installed at the front end of the tee pipe 1 62, multiple water distribution pipes 1 37 are all provided with solenoid valves, and except for the bracket 2 31, they are all connected according to the installation relationship;

[0028] The irrigation device 04 includes two groups of water pipes 41, multiple groups of drippers 42 and multiple groups of sprinkler devices 05. The two groups of water pipes 41 are each installed on two pipes 36 through multiple water distribution pipes 37. Multiple drainage ports are arranged at intervals on the two groups of water pipes 41, and solenoid valves are provided in the drainage ports. Multiple groups of drippers 42 are evenly installed on the drainage ports of one group of water pipes 41, and multiple groups of sprinkler devices 05 are evenly installed on the drainage ports of the other group of water pipes 41; the sprinkler device 05 includes pipe five 51, pipe six 52 and sprinkler 53. Pipe five 51 is fixedly installed on water distribution pipe 41, pipe six 52 is rotatably installed at the top of pipe five 51, and sprinkler 53 is fixedly installed at the right end of pipe six 52. During operation, liquid moves from pipe five 51 to sprinkler 53.

[0029] like Figures 1 to 8 As shown, the utility model is an agricultural greenhouse water and fertilizer integrated irrigation device. When working, the water pump 14 is first turned on before working. The water pump 14 pumps water through the filter pumping head 15. The filter pumping head 15 filters larger impurities to prevent damage to the water pump 14. The pipeline filter 13 filters smaller particles to reduce pollution to the active sand filter 12. The active sand filter 12 absorbs small impurities in the water that are difficult to filter and improves water quality. Multiple groups of active sand filters 12 are connected in series to enhance the filtering effect, so that the water tank 11 is filled with relatively clean water. Then, solid fertilizer is poured into the hopper 28 to complete the preparation work.

[0030] During conventional irrigation, the pipeline pump 1 63 pumps a fixed amount of water from the water tank 11 into the tank body 22, and the electric control valve plate 29 on the hopper 28 opens to allow the fertilizer to fall into the measuring hopper 27. After the annular beam 26 measures that there is enough fertilizer, the electric control valve plate 29 on the hopper 28 is closed, and the electric control valve plate 29 on the measuring hopper 27 is opened to allow the fertilizer to fall into the lower part of the chamber of the tank body 22. Then, the motor 24 is turned on to rotate the stirrer 25 to stir the mixture of fertilizer and water to accelerate dissolution. After the fertilizer and water are mixed, irrigation can be started. During irrigation, the pipeline pump 2 32 and the flow meter 2 33 cooperate to control the ratio of the pumped fertilizer and water. The reducer pipe joint 34 reduces the pipe diameter to more finely control the fertilizer concentration. The three-way pipe The fertilizer and water are mixed in pipe 2 35 and then input into pipe 2 36 . The solenoid valve controls the time when the fertilizer and water enter the water distribution pipe 1 37 so that the fertilizer and water are evenly distributed in each water distribution pipe 1 37 . The water distribution pipe 2 41 distributes the fertilizer and water to each dripper 42 and sprinkler device 05 through the solenoid valve. The dripper 42 limits the liquid flow to achieve the drip irrigation effect. The sprinkler device 05 irrigates the crops. During the sprinkler irrigation process, the kinetic energy of the sprinkler head 53 causes pipe 6 52 and sprinkler head 53 to rotate around pipe 5 51 . The rotation makes the sprinkler head 53 evenly irrigate the fertilizer and water, thereby improving the fertilization effect. If necessary, a group of pipeline pumps 2 32 can be turned off to only perform sprinkler irrigation or drip irrigation. The pipeline pump 2 32 that pumps fertilizer can also be turned off to simply replenish water for the crops.

[0031] The activated sand filter 12, pipeline filter 13, water pump 14, motor 24, force sensor, electric control valve plate 29, pipeline pump 1 63, flow meter 1 64, pipeline pump 2 32, flow meter 2 33 and solenoid valve of the utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the accompanying instruction manual, without the need for creative work by technicians in this field.

[0032] The main functions achieved by the utility model are: by adding sprinkler irrigation equipment, foliar fertilizer is sprayed when necessary, thereby improving the efficiency of fertilizer application, and by setting a solenoid valve to control the connection and closure of the pipeline, the internal pressure of the pipeline is controlled and the fertilizer-deficient block can be irrigated separately; it solves the existing technical problems of single fertilization and irrigation means, poor fertilizer efficiency, and difficulty in controlling pipeline pressure, resulting in uneven fertilizer and water irrigation.

[0033] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An integrated water and fertilizer irrigation device for an agricultural greenhouse, comprising a filtering device (01); characterized in that: The invention also includes a fertilizer tank (02), a fertilizer-water mixing device (03) and an irrigation device (04), wherein the fertilizer tank (02) is mounted on the filtering device (01), the fertilizer-water mixing device (03) is mounted on the filtering device (01) and the fertilizer tank (02), and the irrigation device (04) is mounted on the fertilizer-water mixing device (03); the filtering device (01) filters and stores water, the fertilizer tank (02) prepares liquid fertilizer, the fertilizer-water mixing device (03) mixes and distributes fertilizer and water, and the irrigation device (04) irrigates crops; The filtering device (01) comprises a water tank (11), a plurality of groups of activated sand filters (12), a pipe filter (13), a water pump (14) and a filter pumping head (15); the water tank (11) and the activated sand filter (12) are both installed on the ground; a chamber is provided inside the water tank (11); a four-way pipe is provided at the left end of the water tank (11); the four-way pipe is communicated with the inside of the water tank (11); the pipe filter (13) is installed on the activated sand filter (12); the water pump (14) is installed on the ground; the filter pumping head (15) is connected to the water pump (14) through a hose; when working, water flows from the filter pumping head (15) through the water pump (14), the pipe filter (13) and the activated sand filter (12) to the water tank (11); The fertilizer tank (02) comprises a plurality of brackets (21), a tank body (22), a reducer (23), a motor (24), a stirrer (25), a ring beam (26), a measuring hopper (27), a hopper (28) and two electric control valve plates (29), wherein the plurality of brackets (21) are all installed on the ground, the tank body (22) is installed at the top of the bracket (21), and a chamber is provided inside the tank body (22), and an opening is provided at the top, the reducer (23) is installed at the bottom of the tank body (22), and the motor (24) is installed on the left side of the reducer (23). end, the stirrer (25) is installed at the bottom end of the tank body (22), and the motor (24) provides power to the stirrer (25) through the reducer (23), the annular beam (26), the measuring hopper (27) and the hopper (28) are all installed inside the tank body (22), a force sensor is installed inside the annular beam (26), and the top end of the annular beam (26) contacts the outer edge bottom end of the measuring hopper (27), the hopper (28) is located above the measuring hopper (27), and two electric control valve plates (29) are respectively installed at the bottom ends of the measuring hopper (27) and the hopper (28); The fertilizer tank (02) further comprises a channel pipe (61), a three-way pipe (62), a pipeline pump (63) and a flow meter (64), wherein the channel pipe (61) is mounted at the rear end of the tank body (22), the three-way pipe (62) is mounted at the front end of the tank body (22), and the channel pipe (61) and the three-way pipe (62) are both communicated with the interior of the tank body (22), the pipeline pump (63) and the flow meter (64) are both mounted on the channel pipe (61) and communicated with the channel pipe (61), and the right end of the channel pipe (61) is mounted at the rear end of the four-way pipe; The fertilizer-water mixing device (03) comprises a bracket 2 (31), two sets of pipeline pumps 2 (32), two sets of flow meters 2 (33), two reducing pipe joints (34), two tee pipes 2 (35), two pipelines 2 (36), a plurality of water distribution pipes 1 (37), two sets of pipelines 3 (38) and two sets of pipelines 4 (39), the bracket 2 (31) is installed on the ground, the two sets of pipeline pumps 2 (32) are installed on the top of the bracket 2 (31) and on the ground respectively, the two sets of flow meters 2 (33) are installed on the two sets of pipeline pumps 2 (32) respectively, the two reducing pipe joints (34) are installed on the two sets of flow meters 2 (39) respectively. 3), two three-way pipes (35) are respectively installed on two groups of flow meters (33), two pipes (36) are respectively installed on two three-way pipes (35), multiple water distribution pipes (37) are evenly installed on two groups of pipes (36), two groups of pipes (38) and two groups of pipes (4) are respectively installed on two groups of pipeline pumps (32), two groups of pipes (38) are respectively installed at the remaining two pipe openings of the four-way pipe, two groups of pipeline pumps (32) are both installed at the front end of the three-way pipe (62), multiple water distribution pipes (37) are all provided with electromagnetic valves, and except for the bracket (31), they are all connected according to the installation relationship; The irrigation device (04) comprises two groups of water pipes (41), a plurality of groups of drippers (42) and a plurality of groups of sprinkler devices (05). The two groups of water pipes (41) are each installed on two pipes (36) through a plurality of water distribution pipes (37). The two groups of water pipes (41) are each provided with a plurality of drainage ports at intervals, and a solenoid valve is provided in the drainage port. The plurality of groups of drippers (42) are evenly installed on the drainage port of one group of water pipes (41), and the plurality of groups of sprinkler devices (05) are evenly installed on the drainage port of the other group of water pipes (41). The sprinkler device (05) comprises a fifth pipe (51), a sixth pipe (52) and a nozzle (53), wherein the fifth pipe (51) is fixedly mounted on the second water distribution pipe (41), the sixth pipe (52) is rotatably mounted on the top of the fifth pipe (51), and the nozzle (53) is fixedly mounted on the right end of the sixth pipe (52). When the sprinkler device is in operation, liquid moves from the fifth pipe (51) to the nozzle (53).

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