Forest land irrigation device based on soil humidity

Abstract

The invention discloses a forest land irrigation device based on soil humidity, belongs to the technical field of forest land irrigation, and aims to solve the problem that water resources are wasted during irrigation due to the fact that water consumption cannot be accurately metered by manually controlling a spraying button. A micro motor is fixedly installed on the side wall of the sliding block, the output end of the micro motor penetrates and stretches into the sliding block, the stretching-in end of the micro motor is fixedly connected with a rolling wheel attached to the sliding rail, the placing plate is fixedly arranged at the upper end of the sliding rail, and a water tank is fixedly installed on the placing plate; according to the forest land irrigation device based on the soil humidity, the soil humidity can be monitored in real time, automatic adjustment is conducted for irrigation according to a preset humidity threshold value, waste of water resources is greatly reduced, and meanwhile excessive or insufficient water is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of forest irrigation, and in particular to a forest irrigation device based on soil moisture. Background Art

[0002] Irrigation devices refer to various equipment used for irrigation in farmland, woodland, lawns, gardens and other places. Since trees need sufficient water to grow, especially in arid and semi-arid areas, natural precipitation often cannot meet the needs of tree growth. Therefore, irrigation devices are needed to provide the necessary water for trees to ensure their normal growth. However, existing irrigation devices still have certain deficiencies when used.

[0003] For example, a multifunctional irrigation device for forestry and grassland cultivation with announcement number CN217389580U effectively solves the problems of uneven and incomplete spraying and inability to spray at multiple angles of grassland vegetation irrigation devices on the existing market by raising the support tube, tube wall opening, direction adjustment disk, water pipe insertion groove, rotating handle and spray button. It is an irrigation device that can be easily operated by mobile workers, but when in use, it is necessary to manually turn the handle and press the spray button, and manually control the forward and backward movement of the device, which increases the complexity of operation, especially for non-professionals, and cannot accurately measure the water consumption of the irrigation area, thereby causing a waste of water resources when irrigating the irrigation area, thereby affecting the irrigation efficiency and low practicality.

[0004] So we proposed a forest irrigation device based on soil moisture to solve the problems raised above. Summary of the invention

[0005] The purpose of the present invention is to provide a forest irrigation device based on soil moisture to solve the problem raised by the above-mentioned background technology that the current market needs to manually turn the handle and press the spray button when using it. The forward and backward movement of the device is manually controlled, which increases the complexity of operation, especially for non-professionals, and the water consumption of the irrigation area cannot be accurately measured, which causes a waste of water resources when irrigating the irrigation area, thereby affecting the irrigation efficiency and low practicality.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a forest irrigation device based on soil moisture, comprising a support frame, a slide rail is fixedly installed on the upper end of the support frame by bolts, and a slider is arranged on the slide rail, a micro motor is fixedly installed on the side wall of the slider, and the output end of the micro motor penetrates and extends into the slider, and the insertion end of the micro motor is fixedly connected with a roller that fits the slide rail;

[0007] Also includes:

[0008] A placement plate is fixedly arranged on the upper end of the slide rail, a water tank is fixedly installed on the placement plate, and a pump is fixedly installed on the placement plate on the side of the water tank;

[0009] Two chutes are provided at both ends of the slide block, and cleaning mechanisms are movably connected in the two chutes to achieve stable operation of the subsequent irrigation process;

[0010] A connecting plate is fixedly arranged at the bottom end of the placing plate, a fixing block is fixedly connected to the bottom end of the connecting plate, a group of slots are symmetrically arranged in the fixing block, and air bags are fixedly installed in two of the slots, a rotating plate is rotatably installed on the inner wall of the fixing block on the side of the slot, an electric push rod is fixedly installed in the rotating plate, and a telescopic rod is fixedly connected to the output end of the electric push rod, one end of the telescopic rod extends through the rotating plate, and a nozzle is fixedly connected to the extended end of the telescopic rod;

[0011] An adjustment mechanism is arranged on the fixed block and is used to adjust the spraying angle of the sprinkler head;

[0012] The collecting box is fixedly mounted on the supporting frame, both sides of the collecting box are fixedly connected with flow guide pipes, and a solenoid valve is arranged on the flow guide pipe, and a humidity sensor is fixedly connected to the outer wall of the flow guide pipe below the solenoid valve.

[0013] Preferably, the cleaning mechanism comprises a compression spring, a push rod and a scraper;

[0014] A compression spring is fixedly arranged in the slide groove, one end of the compression spring away from the inner wall of the slide groove is fixedly connected to the push rod, and one end of the push rod away from the compression spring extends through the slide groove and is fixedly connected to the scraper.

[0015] Preferably, the push rod is slidably connected to the inner wall of the slide groove, and the scraper on the side of the push rod is an arc-shaped structure, and the bottom end of the scraper is slidably fitted with the slide rail, and a connected ventilation duct is opened inside the push rod and the scraper, and an air hole inclined downward is opened on the side of the scraper, and the air hole is connected to the ventilation duct.

[0016] Preferably, the rotating plate, the electric push rod, the telescopic rod and the nozzle are all symmetrically arranged in two with respect to the slot, and the telescopic rod is slidably connected to the rotating plate, and the nozzle on the telescopic rod is arranged in an arc-shaped structure.

[0017] Preferably, the adjustment mechanism comprises a fixed housing, an impeller, a reciprocating screw, a rack, a gear and a rectangular block;

[0018] A fixed shell is fixedly mounted on the fixed block, an impeller is rotatably mounted in the fixed shell, and a reciprocating screw is fixedly connected to the bottom end of the impeller, the bottom end of the reciprocating screw passes through and extends out of the fixed block, a rack is sleeved on the outer side of the extended end of the reciprocating screw, and a rectangular block is fixedly connected to the side of the rack;

[0019] There are two gears, and the two gears are fixedly mounted on the rotating plate in a one-to-one correspondence.

[0020] Preferably, the reciprocating screw is rotatably connected to the fixed block, and the reciprocating screw is threadedly connected to the rack, two tooth blocks on the rack are symmetrically arranged, and the two tooth blocks correspond to the two gears one by one, and the rack is meshed with the gear, two rectangular blocks on the rack are symmetrically arranged, and the rectangular blocks correspond to the slots, one end of the rectangular block away from the rack extends into the slot, and the rectangular block is slidably connected to the slot.

[0021] Preferably, the rectangular block is fixedly connected to one end of the airbag away from the groove, and two airbags are symmetrically arranged about the rectangular block, the air inlet ends of the two airbags are connected to the outside world through a unidirectional flow pipe, and the air outlet ends of the two airbags are connected to the internal ventilation pipe of the push rod one by one through the unidirectional flow pipe.

[0022] Preferably, the water inlet end of the fixed shell is connected to the water outlet end of the pump through a pipeline, and the water inlet end of the pump is connected to the water tank through a pipeline.

[0023] Preferably, the collection box is arranged below the nozzle, and a filter is fixedly installed in the collection box, the guide tube is connected to the collection box, and the connecting channel is located below the filter, and the guide tube, solenoid valve and humidity sensor are arranged in array in plurality.

[0024] Preferably, a single-chip microcomputer is arranged inside the support frame, and a solenoid valve switch module, a micro motor switch module and a pump switch module are arranged on the single-chip microcomputer. The output end of the single-chip microcomputer is electrically connected to the input end of the humidity sensor through a wire, so as to realize the opening and closing of the humidity sensor. The output end of the solenoid valve switch module is electrically connected to the solenoid valve through a wire, the output end of the micro motor switch module is electrically connected to the input end of the micro motor through a wire, and the output end of the pump switch module is electrically connected to the input end of the pump through a wire.

[0025] Compared with the prior art, the beneficial effects of the present invention are: the forest irrigation device based on soil moisture can monitor soil moisture in real time and automatically adjust irrigation according to a preset moisture threshold, thereby greatly reducing water waste and avoiding excessive or insufficient moisture. The specific contents are as follows:

[0026] 1. A guide tube, a solenoid valve and a humidity sensor are provided. The humidity in the soil is detected by the humidity sensor, and the detection information is transmitted to the single-chip microcomputer in the support frame in real time. After detecting the decrease in the humidity in the soil, the single-chip microcomputer controls the solenoid valve to open, so that the water in the collection box can flow out through the guide tube, thereby irrigating, improving the utilization efficiency of irrigation water, and helping to save water resources.

[0027] 2. A rack and a gear are provided. When it is detected that the soil moisture is low, the single chip will control the micro motor to turn on, so that it drives the slider to move on the slide rail through the roller, thereby driving the placement plate, water tank, pump, rotating plate, electric push rod, telescopic rod and sprinkler to move as a whole, so that the sprinkler moves to the detection area, and then the pump is used to suck the water in the water tank and transport the water to the fixed shell, and then transport the water from the fixed shell to the sprinkler for spraying. At this time, the impeller in the fixed shell rotates driven by the water flow, thereby driving the reciprocating screw to rotate, and the reciprocating screw will engage and drive the rack to reciprocate up and down, so that the rack engages and drives the gear to rotate, and the gear will drive the sprinkler to rotate through the rotating plate, so that the sprinkler intermittently contacts the tree trunk, so that the sprayed water flows downward through the tree trunk to the bottom, thereby improving the accuracy of irrigation and water-saving effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 It is a front view structural schematic diagram of the present invention;

[0030] Figure 3 This is a schematic diagram of the side view of the placement plate of the present invention;

[0031] Figure 4 It is a schematic diagram of the overall structure of the regulating mechanism of the present invention;

[0032] Figure 5 For the present invention Figure 4 The enlarged structural diagram at A in the middle;

[0033] Figure 6 For the present invention Figure 4 The enlarged structural diagram at B in the middle;

[0034] Figure 7 It is a schematic diagram of the side section structure of the slider of the present invention;

[0035] Figure 8 It is a schematic diagram of the main cross-sectional structure of the rotating plate of the present invention;

[0036] Fig. 9 It is a schematic diagram of the irrigation process structure of the present invention.

[0037] In the figure: 1. support frame; 2. slide rail; 3. slider; 4. micro motor; 5. placement plate; 6. water tank; 7. pump; 8. slide; 9. cleaning mechanism; 901. compression spring; 902. push rod; 903. scraper; 10. connecting plate; 11. fixed block; 12. slot; 13. rotating plate; 14. electric push rod; 15. telescopic rod; 16. nozzle; 17. adjustment mechanism; 1701. fixed shell; 1702. impeller; 1703. reciprocating screw; 1704. rack; 1705. gear; 1706. rectangular block; 18. collection box; 19. guide tube; 20. solenoid valve; 21. humidity sensor; 22. air bag. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0039] Example 1: Please refer to Figure 1-Figure 9 As shown, the present invention provides a technical solution: a forest irrigation device based on soil moisture, comprising a support frame 1, a slide rail 2 is fixedly installed on the upper end of the support frame 1 by bolts, and a slider 3 is provided on the slide rail 2, a micro motor 4 is fixedly installed on the side wall of the slider 3, and the output end of the micro motor 4 extends through the slider 3, and the extension end of the micro motor 4 is fixedly connected to a roller that fits the slide rail 2.

[0040] This technical solution utilizes the setting of the support frame 1. When in use, the support frame 1 is first set up at both ends of the forest so that the slide rail 2 passes between two rows of tree trunks. When in use, the micro motor 4 controls the rotation of the roller so that the roller moves along the slide rail 2, thereby driving the device to move to the area that needs irrigation for irrigation.

[0041] Embodiment 2: The technical content disclosed in this embodiment is an improvement made on the basis of the above-mentioned embodiment 1. When in use, dust remaining on the surface of the slide rail 2 will affect the service life of the slider 3. The technical solution is as follows: Figure 3 and Figure 7As shown, a cleaning component of an irrigation device is disclosed, wherein two slide grooves 8 are arranged, which are opened at both ends of a slider 3, and cleaning mechanisms 9 are movably connected in the two slide grooves 8 to realize stable operation of a subsequent irrigation process, and the cleaning mechanism 9 comprises a compression spring 901, a push rod 902 and a scraper 903, wherein the compression spring 901 is fixedly arranged in the slide groove 8, and one end of the compression spring 901 away from the inner wall of the slide groove 8 is fixedly connected to the push rod 902, and one end of the push rod 902 away from the compression spring 901 extends through the slide groove 8 and is fixedly connected to the scraper 903, the push rod 902 is slidably connected to the inner wall of the slide groove 8, and the scraper 903 on the side of the push rod 902 is arranged in an arc-shaped structure, and the bottom end of the scraper 903 is slidably fitted with the slide rail 2, and a connected ventilation duct is provided inside the push rod 902 and the scraper 903, and an air hole inclined downward is provided on the side of the scraper 903, and the air hole is connected to the ventilation duct.

[0042] In this technical solution, Figure 3 As shown, by using the setting of the scraper 903, the scraper 903 moves synchronously with the slider 3, so as to scrape off the impurities attached to the surface of the slide rail 2, clean the impurities on the surface of the slide rail 2 in real time, reduce wear, and thus extend the service life of the device.

[0043] Its use is as Figure 3 and Figure 7 The technical solution shown first works through the micro motor 4, so that the micro motor 4 drives the roller to rotate, and the roller rolls against the slide rail 2, thereby driving the slider 3 to move laterally along the slide rail 2, and then the slider 3 will drive the placement plate 5 to move, so that the placement plate 5 drives the water tank 6 and the pump 7 to move. When the slider 3 moves, the slider 3 will drive the push rod 902 to move, so that the push rod 902 drives the scraper 903 to move, and the scraper 903 slides against the surface of the slide rail 2 to scrape off impurities attached to the surface of the slide rail 2, thereby avoiding affecting the normal operation of the slider 3.

[0044] Embodiment 3: The technical content disclosed in this embodiment is a further improvement made on the basis of the above-mentioned embodiments 1 and 2. When in use, it is necessary to manually turn the handle and press the spray button. The forward and backward movement of the manual control device will increase the complexity of the operation, especially for non-professionals, and the water consumption of the irrigation area cannot be accurately measured, which will cause a waste of water resources during irrigation in the irrigation area, thereby affecting the irrigation efficiency and low practicality. In order to further solve this technical problem, this technical solution is as follows: Figure 1 , Figure 2 , Figure 8 , Fig. 9 and Figure 4-Figure 6As shown, an irrigation assembly of an irrigation device is disclosed, wherein a placement plate 5 is arranged, fixedly arranged at the upper end of a slide rail 2, a water tank 6 is fixedly mounted on the placement plate 5, and a pump 7 is fixedly mounted on the placement plate 5 on the side of the water tank 6, a connecting plate 10 is fixedly arranged at the bottom end of the placement plate 5, a fixing block 11 is fixedly connected to the bottom end of the connecting plate 10, and a group of slots 12 are symmetrically arranged in the fixing block 11, and air bags 22 are fixedly mounted in both slots 12, a rotating plate 13 is rotatably mounted on the inner wall of the fixing block 11 on the side of the slot 12, an electric push rod 14 is fixedly mounted in the rotating plate 13, and a telescopic rod 15 is fixedly connected to the output end of the electric push rod 14, one end of the telescopic rod 15 passes through and extends out of the rotating plate 13, and the extended end of the telescopic rod 15 is fixedly connected to The nozzle 16 and the adjusting mechanism 17 are arranged on the fixed block 11 for adjusting the spraying angle of the nozzle 16. The collecting box 18 is fixedly mounted on the supporting frame 1. Both sides of the collecting box 18 are fixedly connected with the guide tube 19, and the guide tube 19 is provided with a solenoid valve 20. The outer wall of the guide tube 19 below the solenoid valve 20 is fixedly connected with a humidity sensor 21. The rotating plate 13, the electric push rod 14, the telescopic rod 15 and the nozzle 16 are all symmetrically arranged with two about the slot 12, and the telescopic rod 15 is slidably connected with the rotating plate 13, and the nozzle 16 on the telescopic rod 15 is an arc-shaped structure. The adjusting mechanism 17 includes a fixed shell 1701, an impeller 1702, a reciprocating screw rod 1703, a rack 1704, a gear 1705 and a rectangular block 170 6. A fixed shell 1701 is fixedly mounted on the fixed block 11. An impeller 1702 is rotatably mounted in the fixed shell 1701. A reciprocating screw rod 1703 is fixedly connected to the bottom end of the impeller 1702. The bottom end of the reciprocating screw rod 1703 penetrates and extends out of the fixed block 11. A rack 1704 is sleeved on the outer side of the extended end of the reciprocating screw rod 1703. A rectangular block 1706 is fixedly connected to the side of the rack 1704. Two gears 1705 are provided. The two gears 1705 are fixedly mounted on the rotating plate 13 in a one-to-one correspondence. The reciprocating screw rod 1703 is rotatably connected to the fixed block 11. The reciprocating screw rod 1703 is threadedly connected to the rack 1704. Two tooth blocks on the rack 1704 are symmetrically provided, and the two tooth blocks correspond to the two gears 1705 in a one-to-one correspondence. , and the rack 1704 is meshed with the gear 1705, two rectangular blocks 1706 on the rack 1704 are symmetrically arranged, and the rectangular blocks 1706 correspond to the slot 12, the end of the rectangular block 1706 away from the rack 1704 extends into the slot 12, and the rectangular block 1706 is slidably connected to the slot 12, the rectangular block 1706 is fixedly connected to the end of the air bag 22 away from the slot 12, and the air bag 22 is symmetrically arranged with respect to the rectangular block 1706. The air inlet ends of the two air bags 22 are communicated with the outside through a unidirectional flow pipe, and the air outlet ends of the two air bags 22 are connected to the internal ventilation pipe of the push rod 902 one by one through the unidirectional flow pipe, and the water inlet end of the fixed shell 1701 is connected to the water outlet end of the pump 7 through a pipe.The water inlet of the pump 7 is connected to the water tank 6 through a pipe, the collection box 18 is arranged below the nozzle 16, and a filter is fixedly installed in the collection box 18, the guide tube 19 is connected to the collection box 18, and the communication channel is located below the filter, and the guide tube 19, the solenoid valve 20 and the humidity sensor 21 are arranged in an array in multiple numbers, the support frame 1 is provided with a single chip microcomputer inside, and the single chip microcomputer is provided with a solenoid valve switch module, a micro motor switch module and a pump switch module, the output end of the single chip microcomputer is electrically connected to the input end of the humidity sensor 21 through a wire, and is used to realize the opening and closing of the humidity sensor 21, the output end of the solenoid valve switch module is electrically connected to the solenoid valve 20 through a wire, the output end of the micro motor switch module is electrically connected to the input end of the micro motor 4 through a wire, and the output end of the pump switch module is electrically connected to the input end of the pump 7 through a wire.

[0045] In this technical solution, Figure 1 , Figure 2 As shown, by using the arrangement of the nozzle 16, when the rotating plate 13 drives the nozzle 16 to be close to the tree trunk, the arc-shaped nozzle 16 can spray a circle of the tree trunk, ensuring that water can be evenly distributed on the entire surface of the trunk and flow downward through the trunk, avoiding the possible blind spots of sprinkler irrigation in traditional sprinkler irrigation methods, thereby improving the sprinkler irrigation efficiency, and the arrangement of the electric push rod 14 can drive the telescopic rod 15 to move, so that the telescopic rod 15 drives the nozzle 16 to move, adjust the position of the nozzle 16, and improve the adaptability and flexibility of the device.

[0046] Its use is as Figure 8 , Fig. 9 and Figure 4-Figure 6 In the technical solution shown, when in use, the end of the guide tube 19 away from the collection box 18 will be set up on the side of the tree trunk, and the humidity sensor 21 on the guide tube 19 will contact the soil next to the tree trunk, so that the soil humidity around the tree trunk can be detected by the humidity sensor 21;

[0047] When the soil is relatively dry, the humidity sensor 21 will send a signal to the single chip microcomputer in the support frame 1, so that the single chip microcomputer controls the electromagnetic valve 20 on the corresponding guide tube 19 to open automatically. At this time, the irrigation water in the collection box 18 will flow along the guide tube 19 to the ground around the tree trunk for irrigation, and the single chip microcomputer will give the micro motor 4 an opening instruction, so that the micro motor 4 drives the slide rail 2 to move along the slide rail 2. When the slide rail 2 drives the placement plate 5 to move to the detection area, the micro motor 4 stops working and turns on the pump 7. The pump 7 will transport the water in the water tank 6 to the fixed shell 1701, and then transport it to the nozzle 16 from the fixed shell 1701, and finally spray it out from the nozzle 16 for irrigation;

[0048] When the irrigation water enters the fixed shell 1701, it will impact the impeller 1702, causing the impeller 1702 to drive the reciprocating screw 1703 to rotate, and then the reciprocating screw 1703 will mesh to drive the rack 1704 to reciprocate up and down, and then the rack 1704 will mesh to drive the gear 1705 to rotate, so that the gear 1705 drives the rotating plate 13 to reciprocate up and down. When the rotating plate 13 rotates upward, the sprinkler head 16 will fit with the tree trunk, so that the irrigation water flows downward to the bottom through the tree trunk, ensuring that the water can penetrate into the soil evenly and deeply. When the rotating plate 13 resets and rotates, the water sprayed by the sprinkler head 16 will be received by the collection box 18, and the water received by the collection box 18 will flow to the ground around the tree trunk again through the guide pipe 19, thereby improving the accuracy of irrigation and the water-saving effect.

[0049] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0050] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. 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. A forest irrigation device based on soil moisture, comprising a support frame (1), a slide rail (2) being fixedly mounted on the upper end of the support frame (1) by bolts, a slider (3) being arranged on the slide rail (2), a micro motor (4) being fixedly mounted on the side wall of the slider (3), an output end of the micro motor (4) extending through the slider (3), and a roller which is in contact with the slide rail (2) being fixedly connected to the insertion end of the micro motor (4); It is characterized in that Also includes: A placement plate (5) is fixedly arranged on the upper end of the slide rail (2), a water tank (6) is fixedly mounted on the placement plate (5), and a pump (7) is fixedly mounted on the placement plate (5) on the side of the water tank (6); Two slide grooves (8) are provided at both ends of the slider (3), and cleaning mechanisms (9) are movably connected in the two slide grooves (8) to achieve stable operation of the subsequent irrigation process; A connecting plate (10) is fixedly arranged at the bottom end of the placing plate (5), the bottom end of the connecting plate (10) is fixedly connected to a fixing block (11), and a group of slots (12) are symmetrically arranged in the fixing block (11), and air bags (22) are fixedly installed in the two slots (12), a rotating plate (13) is rotatably installed on the inner wall of the fixing block (11) on the side of the slot (12), an electric push rod (14) is fixedly installed in the rotating plate (13), and the output end of the electric push rod (14) is fixedly connected to a telescopic rod (15), one end of the telescopic rod (15) penetrates and extends out of the rotating plate (13), and the extended end of the telescopic rod (15) is fixedly connected to a nozzle (16); An adjusting mechanism (17) is arranged on the fixing block (11) and is used to adjust the irrigation angle of the sprinkler head (16); A collection box (18) is fixedly mounted on the support frame (1), and flow guide tubes (19) are fixedly connected to both sides of the collection box (18), and a solenoid valve (20) is provided on the flow guide tube (19), and a humidity sensor (21) is fixedly connected to the outer wall of the flow guide tube (19) below the solenoid valve (20).

2. A forest irrigation device based on soil moisture according to claim 1, characterized in that: The cleaning mechanism (9) comprises a compression spring (901), a push rod (902) and a scraper (903); A compression spring (901) is fixedly arranged in the slide groove (8), and one end of the compression spring (901) away from the inner wall of the slide groove (8) is fixedly connected to the push rod (902), and one end of the push rod (902) away from the compression spring (901) extends through the slide groove (8) and is fixedly connected to the scraper (903).

3. A forest irrigation device based on soil moisture according to claim 2, characterized in that: The push rod (902) is slidably connected to the inner wall of the slide groove (8), and the scraper (903) on the side of the push rod (902) is an arc-shaped structure, and the bottom end of the scraper (903) is slidably fitted with the slide rail (2), and the push rod (902) and the scraper (903) are provided with interconnected ventilation ducts inside, and the scraper (903) is provided with air holes inclined downward on the side, and the air holes are connected to the ventilation duct.

4. The forest irrigation device based on soil moisture according to claim 1, characterized in that: The rotating plate (13), the electric push rod (14), the telescopic rod (15) and the spray head (16) are all symmetrically arranged in two with respect to the slot (12), and the telescopic rod (15) is slidably connected to the rotating plate (13), and the spray head (16) on the telescopic rod (15) is arranged in an arc-shaped structure.

5. The forest irrigation device based on soil moisture according to claim 1, characterized in that: The regulating mechanism (17) comprises a fixed housing (1701), an impeller (1702), a reciprocating screw (1703), a rack (1704), a gear (1705) and a rectangular block (1706); A fixed shell (1701) is fixedly mounted on the fixed block (11), an impeller (1702) is rotatably mounted in the fixed shell (1701), and a reciprocating screw rod (1703) is fixedly connected to the bottom end of the impeller (1702), the bottom end of the reciprocating screw rod (1703) passes through and extends out of the fixed block (11), and a rack (1704) is sleeved on the outer side of the extended end of the reciprocating screw rod (1703), and a rectangular block (1706) is fixedly connected to the side of the rack (1704); There are two gears (1705), and the two gears (1705) are fixedly mounted on the rotating plate (13) in a one-to-one correspondence.

6. A forest irrigation device based on soil moisture according to claim 5, characterized in that: The reciprocating screw rod (1703) is rotatably connected to the fixed block (11), and the reciprocating screw rod (1703) is threadedly connected to the rack (1704); two tooth blocks are symmetrically arranged on the rack (1704), and the two tooth blocks correspond to the two gears (1705) one by one, and the rack (1704) and the gear (1705) are meshed; two rectangular blocks (1706) are symmetrically arranged on the rack (1704), and the rectangular blocks (1706) correspond to the slot (12); one end of the rectangular block (1706) away from the rack (1704) extends into the slot (12), and the rectangular block (1706) is slidably connected to the slot (12).

7. A forest irrigation device based on soil moisture according to claim 6, characterized in that: The rectangular block (1706) is fixedly connected to one end of the airbag (22) away from the groove (12), and two airbags (22) are symmetrically arranged about the rectangular block (1706), the air inlet ends of the two airbags (22) are connected to the outside through a unidirectional flow pipe, and the air outlet ends of the two airbags (22) are connected to the internal ventilation pipe of the push rod (902) through the unidirectional flow pipe in a one-to-one correspondence.

8. The forest irrigation device based on soil moisture according to claim 5, characterized in that: The water inlet end of the fixed shell (1701) is connected to the water outlet end of the pump (7) through a pipeline, and the water inlet end of the pump (7) is connected to the water tank (6) through a pipeline.

9. The forest irrigation device based on soil moisture according to claim 1, characterized in that: The collection box (18) is arranged below the nozzle (16), and a filter screen is fixedly installed in the collection box (18); the flow guide pipe (19) is connected to the collection box (18), and the communication channel is located below the filter screen; and a plurality of flow guide pipes (19), solenoid valves (20) and humidity sensors (21) are arranged in an array.

10. The forest irrigation device based on soil moisture according to claim 1, characterized in that: A single-chip microcomputer is arranged inside the support frame (1), and a solenoid valve switch module, a micro motor switch module and a pump switch module are arranged on the single-chip microcomputer. The output end of the single-chip microcomputer is electrically connected to the input end of the humidity sensor (21) through a wire, so as to realize the opening and closing of the humidity sensor (21). The output end of the solenoid valve switch module is electrically connected to the solenoid valve (20) through a wire, the output end of the micro motor switch module is electrically connected to the input end of the micro motor (4) through a wire, and the output end of the pump switch module is electrically connected to the input end of the pump (7) through a wire.

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