Agricultural economic water-saving irrigation device

Abstract

The utility model relates to the technical field of irrigation devices, and discloses an agricultural economic water-saving irrigation device which comprises a moving trolley and further comprises a splicing structure, a spraying mechanism, a warning mechanism and a fixing pipe, the top end of the moving trolley is fixedly connected with the bottom end of the spraying mechanism, and the side face of the warning mechanism is fixedly connected with the side face of the spraying mechanism. The top end of the fixing pipe is fixedly connected with the bottom end of a spraying mechanism, the side face of the splicing structure is movably connected with the side face of the fixing pipe, the spraying mechanism comprises a water tank, the bottom end of the water tank is fixedly connected with the top end of the moving trolley, the top end of the water tank is in threaded connection with a threaded cover, and the side face of the water tank is fixedly connected with a water pump. A connecting pipe is fixedly connected to the side face of the water pump, the structure of the fixing pipe is the same as that of the warning mechanism, and the splicing structure comprises a splicing pipe; the utility model provides an agricultural economic water-saving irrigation device which can be used for quickly splicing water outlet pipes and accurately determining the water storage amount in a water tank.

Description

Technical Field

[0001] The utility model relates to the technical field of irrigation devices, and more specifically to an agricultural economical water-saving irrigation device. Background Art

[0002] Agriculture is an industry that utilizes the growth and development laws of animals and plants to obtain products through artificial cultivation. Planting industry is one of the main components of agriculture. It is a social production sector that utilizes the life functions of plants to obtain food, non-staple food, feed and industrial raw materials through artificial cultivation. It includes the cultivation of various crops, trees, fruit trees, medicinal and ornamental plants, and there are horticultural crops such as food crops, cash crops, vegetable crops, green manure crops, feed crops, forage, flowers, etc. In the planting process, in order to ensure the normal growth of plants, it is necessary to water the plants. In order to reduce the waste of water resources, water-saving irrigation devices are often used to irrigate the plants. Water-saving irrigation devices refer to the general term for mechanical equipment with water-saving functions used for irrigation. Its types mainly include sprinkler irrigation, micro-irrigation, and all-plastic water-saving irrigation systems.

[0003] Insufficiency of existing technology: when using existing water-saving irrigation devices, water tanks are mostly installed on mobile carts, and water is sprayed on the ground through water pumps. When in use, in order to increase the irrigation area, the water spray pipes are mostly connected together through multiple sections of water pipes through threads. However, the threads are fixed by friction, which is prone to wear and is time-consuming and labor-intensive to operate. When using existing water-saving irrigation devices, the water storage in the water tank cannot be determined, and the normal operation of the equipment cannot be ensured. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an agricultural economic water-saving irrigation device to solve the problems existing in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an agricultural economic water-saving irrigation device, comprising a mobile trolley, and also comprising: a splicing structure, a spraying mechanism, a warning mechanism and a fixed pipe, the top of the mobile trolley is fixedly connected to the bottom end of the spraying mechanism, the side of the warning mechanism is fixedly connected to the side of the spraying mechanism, the top of the fixed pipe is fixedly connected to the bottom end of the spraying mechanism, the side of the splicing structure is movably connected to the side of the fixed pipe, the spraying mechanism comprises a water tank, the bottom end of the water tank is fixedly connected to the top of the mobile trolley, the top of the water tank is threadedly connected with a threaded cover, the side of the water tank is fixedly connected with a water pump, the side of the water pump is fixedly connected with a connecting pipe, and the The bottom end of the connecting tube is fixedly connected to the top end of the fixed tube, the structure of the fixed tube is the same as that of the warning mechanism, the splicing structure includes a splicing tube, the side of the splicing tube is fixedly connected to an atomizing nozzle, the side of the splicing tube is fixedly connected to a splicing joint, the side of the splicing joint is provided with an annular groove, the side of the splicing tube is fixedly connected to a fixed head, the inner wall of the side of the fixed head is provided with a movable groove at a position corresponding to the annular groove, the side of the movable groove is movably connected to a ball, the side of the fixed head is fixedly connected to a mounting ring, the side of the mounting ring is fixedly connected to a reset spring, the side of the fixed head is movably connected to a limiting sleeve, and the side inner wall of the limiting sleeve is fixedly connected to the side of the reset spring.

[0006] Furthermore, a side surface of the splicing joint is provided with a first arc angle, and a side surface of the annular groove is provided with a second arc angle.

[0007] Furthermore, a third through hole is provided on the inner wall of the side of the fixed head, a second cavity is provided on the side of the third through hole, a second pressure spring is fixedly connected to the side of the second cavity, a second sealing plug is fixedly connected to the side of the second pressure spring, a second through hole is provided on the side of the second cavity, a second pressure rod is fixedly connected to the side of the second sealing plug, a first cavity is provided inside the splicing joint, a first pressure spring is fixedly connected to the side of the first cavity, a first sealing plug is fixedly connected to the side of the first pressure spring, a first pressure rod is fixedly connected to the side of the first sealing plug, and a first through hole is provided on the side of the first cavity.

[0008] Furthermore, a first limiting hole is opened on the side of the first cavity, a first limiting rod is fixedly connected to the side of the first sealing plug, and the side of the first limiting rod is movably connected to the side of the first limiting hole, and a second limiting hole is opened on the side of the second cavity, a second limiting rod is fixedly connected to the side of the second sealing plug, and the side of the second limiting rod is movably connected to the side of the second limiting hole.

[0009] Furthermore, a motor is fixedly connected to the top of the water tank, and an output shaft of the motor passes through the inner wall of the top of the water tank and is fixedly connected to a stirring paddle.

[0010] Furthermore, the warning mechanism includes an observation tube, a side of the observation tube is fixedly connected to a side of the water tank, and a scale is provided on the side of the observation tube.

[0011] Furthermore, a warning light is fixedly connected to the side of the water tank, a mounting seat is fixedly connected to the bottom inner wall of the water tank, a connecting rod is movably connected to the side inner wall of the mounting seat, a floating ball is fixedly connected to the top of the connecting rod, and a touch switch is fixedly connected to the bottom inner wall of the mounting seat.

[0012] Technical effects and advantages of the utility model:

[0013] 1. The utility model selects a suitable number of splicing structures according to the use requirements, and the two ends of the splicing pipe are respectively provided with a splicing joint and a fixed head. When the splicing structure is connected with the fixed pipe and the adjacent splicing structure, the limiting sleeve is pushed to slide along the side of the fixed head so that the limiting sleeve is moved away from the top of the ball, and the splicing joint is inserted into the fixed head. The side of the splicing joint and the ball make the ball move outward. After the splicing joint is completely inserted into the fixed head, the limiting sleeve is loosened, and the reset spring pushes the limiting sleeve to move the limiting sleeve to the top of the ball. The side inner wall of the limiting sleeve contacts the top of the ball so that the ball is stuck in the annular groove, so as to fix the splicing structure and the fixed pipe and keep the whole at a suitable length. When disassembling, the limiting sleeve is pushed to move the limiting sleeve away from the top of the ball, and the splicing joint is removed. The operation is simple. When irrigating, sufficient water is injected into the water tank through the threaded cover, and the water pump is operated to extract the water in the water tank and transport it to the fixed pipe and the splicing structure through the connecting pipe, and finally sprayed from the atomizing nozzle for irrigation, which is conducive to improving work efficiency.

[0014] 2. The utility model has a first sealing plug and a second sealing plug which are both conical structures. When not spliced, the first pressure spring pushes the first sealing plug so that the first sealing plug is closely attached to the side inner wall of the splicing joint, and the second pressure spring pushes the second sealing plug so that the second sealing plug blocks the third through hole, so that the splicing structure remains sealed to prevent water from flowing out. When splicing, the splicing joint is inserted into the interior of the fixed head, and at this time, the second pressure rod contacts the first pressure rod, so that the second pressure spring and the first pressure spring contract, so that a gap is left between the first sealing plug and the side inner wall of the splicing joint, and a gap is left between the second sealing plug and the third through hole, so that water flows smoothly, which is conducive to improving the safety of the equipment.

[0015] 3. The utility model observes the water level inside the water tank through an observation tube made of transparent material. When the water inside the water tank is sufficient, the floating ball is submerged in the water. Under the action of buoyancy, the floating ball drives the connecting rod upward and separates from the touch switch. As the water inside the water tank decreases, the floating ball emerges from the water surface. Under the action of gravity, the connecting rod moves downward and contacts the touch switch. The touch switch controls the warning light to emit red light, reminding the operator to timely fill the water inside the water tank, which is conducive to ensuring the normal operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the internal structure of the water tank of the utility model;

[0018] Figure 3 It is a schematic diagram of the cross-sectional structure of the mounting seat of the utility model;

[0019] Figure 4 It is a schematic diagram of the splicing structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the splicing joint of the utility model;

[0021] Figure 6 It is a schematic diagram of the cross-sectional structure of the fixing head of the utility model.

[0022] The accompanying drawings are marked as follows: 1, mobile trolley; 2, splicing structure; 201, splicing tube; 202, fixed head; 203, splicing head; 204, annular groove; 205, limiting sleeve; 206, first through hole; 207, first limiting hole; 208, first limiting rod; 209, first pressure spring; 210, atomizing nozzle; 211, first arc angle; 212, first pressure rod; 213, first sealing plug; 214, first cavity; 215, second arc angle; 216, second through hole; 217, second limiting hole; 218, second limiting rod; 219, Second pressure spring; 220, second cavity; 221, third through hole; 222, movable groove; 223, ball; 224, second pressure rod; 225, second sealing plug; 226, return spring; 227, mounting ring; 3, spraying mechanism; 301, water tank; 302, motor; 303, threaded cover; 304, connecting pipe; 305, water pump; 306, stirring paddle; 4, warning mechanism; 401, warning light; 402, observation tube; 403, floating ball; 404, mounting seat; 405, connecting rod; 406, touch switch; 5, fixing pipe. DETAILED DESCRIPTION

[0023] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The agricultural economic water-saving irrigation device involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0024] Reference Figures 1 to 6The utility model provides an agricultural economic water-saving irrigation device, including a mobile trolley 1, and also including: a splicing structure 2, a spraying mechanism 3, a warning mechanism 4 and a fixed pipe 5. The top of the mobile trolley 1 is fixedly connected to the bottom end of the spraying mechanism 3, the side of the warning mechanism 4 is fixedly connected to the side of the spraying mechanism 3, the top of the fixed pipe 5 is fixedly connected to the bottom end of the spraying mechanism 3, the side of the splicing structure 2 is movably connected to the side of the fixed pipe 5, the spraying mechanism 3 includes a water tank 301, the bottom end of the water tank 301 is fixedly connected to the top of the mobile trolley 1, the top of the water tank 301 is threadedly connected with a threaded cover 303, the side of the water tank 301 is fixedly connected with a water pump 305, and the side of the water pump 305 is fixedly connected with a connecting rod 306. The connecting pipe 304, the bottom end of the connecting pipe 304 is fixedly connected to the top of the fixed pipe 5, the structure of the fixed pipe 5 is the same as that of the warning mechanism 4, the splicing structure 2 includes a splicing pipe 201, the side of the splicing pipe 201 is fixedly connected with an atomizing nozzle 210, the side of the splicing pipe 201 is fixedly connected with a splicing joint 203, the side of the splicing joint 203 is provided with an annular groove 204, the side of the splicing pipe 201 is fixedly connected with a fixed head 202, the side inner wall of the fixed head 202 is provided with a movable groove 222 at a position corresponding to the annular groove 204, the side of the movable groove 222 is movably connected with a ball 223, the side of the fixed head 202 is fixedly connected with a mounting ring 227, and the side of the mounting ring 227 is fixedly connected with a complex The side of the fixed head 202 is movably connected to the limiting sleeve 205, and the side inner wall of the limiting sleeve 205 is fixedly connected to the side of the reset spring 226. A suitable number of splicing structures 2 are selected according to the use requirements. The two ends of the splicing tube 201 are respectively provided with a splicing joint 203 and a fixed head 202. When the splicing structure 2 is connected with the fixed tube 5 and the adjacent splicing structure 2, the limiting sleeve 205 is pushed to slide along the side of the fixed head 202 to move the limiting sleeve 205 away from the top of the ball 223, and the splicing joint 203 is inserted into the fixed head 202. The side of the splicing joint 203 and the ball 223 make the ball 223 move outward. After the splicing joint 203 is fully inserted into the fixed head 202, the limiting sleeve is released. 205, the return spring 226 pushes the limiting sleeve 205 to move the limiting sleeve 205 to the top of the ball 223, the side inner wall of the limiting sleeve 205 contacts the top of the ball 223 to make the ball 223 stuck in the annular groove 204, to fix the splicing structure 2 and the fixed pipe 5, and keep the whole at an appropriate length. When disassembling, push the limiting sleeve 205 to move the limiting sleeve 205 away from the top of the ball 223, and remove the splicing head 203. The operation is simple. When irrigating, inject enough water into the water tank 301 through the threaded cover 303, and the water pump 305 runs to pump out the water in the water tank 301 and transport it to the fixed pipe 5 and the splicing structure 2 through the connecting pipe 304, and finally spray it out from the atomizing nozzle 210 for irrigation.

[0025] A first arc angle 211 is formed on the side of the splicing joint 203 , and a second arc angle 215 is formed on the side of the annular groove 204 to avoid jamming.

[0026] The inner wall of the side of the fixed head 202 is provided with a third through hole 221, the side of the third through hole 221 is provided with a second cavity 220, the side of the second cavity 220 is fixedly connected with a second pressure spring 219, the side of the second pressure spring 219 is fixedly connected with a second sealing plug 225, the side of the second cavity 220 is provided with a second through hole 216, the side of the second sealing plug 225 is fixedly connected with a second pressure rod 224, the interior of the splicing head 203 is provided with a first cavity 214, the side of the first cavity 214 is fixedly connected with a first pressure spring 209, the side of the first pressure spring 209 is fixedly connected with a first sealing plug 213, the side of the first sealing plug 213 is fixedly connected with a first pressure rod 212, the side of the first cavity 214 is provided with a first through hole 2 06. Both the first sealing plug 213 and the second sealing plug 225 are conical structures. When not spliced, the first pressure spring 209 pushes the first sealing plug 213 so that the first sealing plug 213 is tightly attached to the side inner wall of the splicing joint 203, and the second pressure spring 219 pushes the second sealing plug 225 so that the second sealing plug 225 blocks the third through hole 221, so that the splicing structure 2 remains sealed to prevent water from flowing out. When splicing, the splicing joint 203 is inserted into the fixed head 202. At this time, the second pressure rod 224 contacts the first pressure rod 212, so that the second pressure spring 219 and the first pressure spring 209 contract, so that a gap is left between the first sealing plug 213 and the side inner wall of the splicing joint 203, and a gap is left between the second sealing plug 225 and the third through hole 221, so that water can flow smoothly.

[0027] The first cavity 214 has a first limiting hole 207 on its side, the first sealing plug 213 has a first limiting rod 208 fixedly connected to its side, the first limiting rod 208 is movably connected to the side of the first limiting hole 207, the second cavity 220 has a second limiting hole 217 on its side, the second sealing plug 225 has a second limiting rod 218 fixedly connected to its side, the second limiting rod 218 is movably connected to the side of the second limiting hole 217, and the first pressure spring 209 and the second pressure spring 219 are contracted. The first limiting rod 208 slides along the first limiting hole 207, and the second limiting rod 218 slides along the second limiting hole 217, so that the first sealing plug 213 and the second sealing plug 225 remain stable. At the same time, when the second pressure rod 224 contacts the first pressure rod 212, the end of the second limiting rod 218 contacts the side of the second limiting hole 217, and the end of the first limiting rod 208 contacts the first limiting hole 207, thereby ensuring that the first pressure spring 209 and the second pressure spring 219 contract at the same time, leaving enough gap for water to flow smoothly.

[0028] Among them, the top of the water tank 301 is fixedly connected to a motor 302, and the output shaft of the motor 302 passes through the inner wall of the top of the water tank 301 and is fixedly connected to a stirring paddle 306. During the irrigation process, the motor 302 drives the stirring paddle 306 to rotate to stir the water inside the water tank 301, ensuring that the additives added to the water during irrigation are evenly mixed.

[0029] Among them, the warning mechanism 4 includes an observation tube 402, the side of the observation tube 402 is fixedly connected to the side of the water tank 301, and the side of the observation tube 402 is provided with a scale. The water content inside the water tank 301 is observed through the observation tube 402 made of transparent material.

[0030] Among them, a warning light 401 is fixedly connected to the side of the water tank 301, a mounting seat 404 is fixedly connected to the inner wall of the bottom end of the water tank 301, a connecting rod 405 is movably connected to the inner wall of the side of the mounting seat 404, a floating ball 403 is fixedly connected to the top of the connecting rod 405, and a touch switch 406 is fixedly connected to the inner wall of the bottom end of the mounting seat 404. The floating ball 403 is submerged in water, and under the action of buoyancy, the floating ball 403 drives the connecting rod 405 upward and separates from the touch switch 406. As the water inside the water tank 301 decreases, the floating ball 403 emerges from the water surface, and under the action of gravity, the connecting rod 405 moves downward and contacts the touch switch 406. The touch switch 406 controls the warning light 401 to emit a red light, reminding the operator to fill the water into the water tank 301 in time.

[0031] The working principle of the utility model is as follows: according to the use requirements, a suitable number of splicing structures 2 are selected, and splicing joints 203 and fixed heads 202 are respectively arranged at both ends of the splicing tube 201. When the splicing structure 2 is connected with the fixed tube 5 and the adjacent splicing structure 2, the limiting sleeve 205 is pushed to slide along the side of the fixed head 202 so that the limiting sleeve 205 is moved away from the top of the ball 223, and the splicing joint 203 is inserted into the fixed head 202. The side of the splicing joint 203 and the ball 223 make the ball 223 move outward. After the splicing joint 203 is completely inserted into the fixed head 202, the limiting sleeve 205 is released, and the reset spring 226 pushes the limiting sleeve 205 to move the limiting sleeve 205 to the top of the ball 223. The side inner wall of the sleeve 205 contacts the top of the ball 223 so that the ball 223 is stuck in the annular groove 204 to fix the splicing structure 2 and the fixed tube 5. At this time, the second pressure rod 224 contacts the first pressure rod 212 to shrink the second pressure spring 219 and the first pressure spring 209, so that a gap is left between the first sealing plug 213 and the side inner wall of the splicing joint 203, and a gap is left between the second sealing plug 225 and the third through hole 221, so that water can flow smoothly through the splicing joint 203 and the fixed head 202 that are not spliced ​​at the end. At this time, the first pressure spring 209 pushes the first sealing plug 213 to make the first sealing plug 213 close to the side inner wall of the splicing joint 203. The second pressure spring 219 pushes the second sealing plug 225 to block the third through hole 221, so that the splicing structure 2 remains sealed to prevent water from flowing out. When disassembling, the limiting sleeve 205 is pushed to remove the limiting sleeve 205 from the top of the ball 223, and the splicing joint 203 is removed. The operation is simple. During irrigation, sufficient water is injected into the water tank 301 through the threaded cover 303. The water pump 305 runs to extract the water inside the water tank 301 and transport it to the fixed pipe 5 and the splicing structure 2 through the connecting pipe 304, and finally sprays it out from the atomizing nozzle 210 for irrigation. During the irrigation process, the motor 302 drives the stirring paddle 306 to rotate to stir the water inside the water tank 301, ensuring that the additive added to the water during irrigation The added materials are mixed evenly, and the water content inside the water tank 301 is observed through an observation tube 402 made of transparent material. When the water inside the water tank 301 is sufficient, the floating ball 403 is submerged in the water. Under the action of buoyancy, the floating ball 403 drives the connecting rod 405 upward and separates from the touch switch 406. As the water inside the water tank 301 decreases, the floating ball 403 emerges from the water surface. Under the action of gravity, the connecting rod 405 moves downward and contacts the touch switch 406. The touch switch 406 controls the warning light 401 to emit a red light, reminding the operator to fill the water tank 301 in time. When disassembling, push the limit sleeve 205 to move the limit sleeve 205 away from the top of the ball 223, and remove the splicing joint 203.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An agricultural economic water-saving irrigation device, comprising a mobile vehicle (1), characterized in that: Also includes: A splicing structure (2), a spraying mechanism (3), a warning mechanism (4) and a fixed pipe (5), wherein the top of the mobile trolley (1) is fixedly connected to the bottom of the spraying mechanism (3), the side of the warning mechanism (4) is fixedly connected to the side of the spraying mechanism (3), the top of the fixed pipe (5) is fixedly connected to the bottom of the spraying mechanism (3), the side of the splicing structure (2) is movably connected to the side of the fixed pipe (5), the spraying mechanism (3) comprises a water tank (301), the bottom of the water tank (301) is fixedly connected to the top of the mobile trolley (1), the top of the water tank (301) is threadedly connected to a threaded cover (303), the side of the water tank (301) is fixedly connected to a water pump (305), the side of the water pump (305) is fixedly connected to a connecting pipe (304), the bottom of the connecting pipe (304) is fixedly connected to the top of the fixed pipe (5), the structure of the fixed pipe (5) is connected to the warning mechanism (4), and the bottom of the connecting pipe (304) is fixedly connected to the top of the fixed pipe (5). The structures are the same. The splicing structure (2) comprises a splicing tube (201), a side of the splicing tube (201) is fixedly connected to an atomizing nozzle (210), a side of the splicing tube (201) is fixedly connected to a splicing joint (203), a side of the splicing joint (203) is provided with an annular groove (204), a side of the splicing tube (201) is fixedly connected to a fixed head (202), a side inner wall of the fixed head (202) is provided with a movable groove (222) at a position corresponding to the annular groove (204), a side of the movable groove (222) is movably connected to a ball (223), a side of the fixed head (202) is fixedly connected to a mounting ring (227), a side of the mounting ring (227) is fixedly connected to a return spring (226), a side of the fixed head (202) is movably connected to a limiting sleeve (205), and a side inner wall of the limiting sleeve (205) is fixedly connected to a side of the return spring (226).

2. The agricultural economic water-saving irrigation device according to claim 1, characterized in that: The side surface of the splicing joint (203) is provided with a first arc angle (211), and the side surface of the annular groove (204) is provided with a second arc angle (215).

3. The agricultural economic water-saving irrigation device according to claim 1, characterized in that: A third through hole (221) is provided on the inner wall of the side of the fixed head (202); a second cavity (220) is provided on the side of the third through hole (221); a second pressure spring (219) is fixedly connected to the side of the second cavity (220); a second sealing plug (225) is fixedly connected to the side of the second pressure spring (219); a second through hole (216) is provided on the side of the second cavity (220); a second pressure rod (224) is fixedly connected to the side of the second sealing plug (225); a first cavity (214) is provided inside the splicing joint (203); a first pressure spring (209) is fixedly connected to the side of the first cavity (214); a first sealing plug (213) is fixedly connected to the side of the first pressure spring (209); a first pressure rod (212) is fixedly connected to the side of the first sealing plug (213); a first through hole (206) is provided on the side of the first cavity (214).

4. The agricultural economic water-saving irrigation device according to claim 3 is characterized by: A first limiting hole (207) is formed on the side of the first cavity (214); a first limiting rod (208) is fixedly connected to the side of the first sealing plug (213); a side of the first limiting rod (208) is movably connected to the side of the first limiting hole (207); a second limiting hole (217) is formed on the side of the second cavity (220); a second limiting rod (218) is fixedly connected to the side of the second sealing plug (225); a side of the second limiting rod (218) is movably connected to the side of the second limiting hole (217).

5. The agricultural economic water-saving irrigation device according to claim 1, characterized in that: The top end of the water tank (301) is fixedly connected to a motor (302), and an output shaft of the motor (302) passes through the inner wall of the top end of the water tank (301) and is fixedly connected to a stirring paddle (306).

6. The agricultural economic water-saving irrigation device according to claim 1, characterized in that: The warning mechanism (4) comprises an observation tube (402), the side of the observation tube (402) being fixedly connected to the side of the water tank (301), and the side of the observation tube (402) being provided with a scale.

7. The agricultural economic water-saving irrigation device according to claim 6, characterized in that: A warning light (401) is fixedly connected to the side of the water tank (301), a mounting seat (404) is fixedly connected to the inner wall of the bottom end of the water tank (301), a connecting rod (405) is movably connected to the inner wall of the side of the mounting seat (404), a floating ball (403) is fixedly connected to the top of the connecting rod (405), and a touch switch (406) is fixedly connected to the inner wall of the bottom end of the mounting seat (404).

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