A rice field spraying apparatus, temperature monitoring system and method

Abstract

The present application belongs to the field of farmland sprinkling irrigation technology, and particularly relates to a rice field spraying equipment, which comprises a vertical pipe, a water collecting cylinder, a first connecting part and a spraying mechanism. The spraying mechanism comprises a second connecting part, a transverse connecting pipe, a first nozzle and a second nozzle. The transverse connecting pipe is provided with a rotating joint. The vertical pipe is provided with a first rotating cylinder. The transverse connecting pipe is provided with a second rotating cylinder. The first rotating cylinder and the second rotating cylinder are connected with a water inlet branch pipe. The transverse connecting pipe and the second nozzle are provided with a swing assembly. The second connecting part is provided with a rotating assembly. The first connecting part and the second connecting part are provided with a locking assembly. The first nozzle and the second nozzle can comprehensively spray the rice field crops around the vertical pipe. The swing second nozzle can spray a farther range to expand the spraying area. The entering direction of the water flow can be changed to change the spraying mode. Not only normal spraying operation can be performed, but also the temperature and humidity of the upper air around the vertical pipe can be improved.

Description

Technical Field

[0001] This invention belongs to the field of farmland sprinkler irrigation technology, specifically relating to a paddy field spraying device, temperature monitoring system and method. Background Technology

[0002] Dryland generally refers to arable land without irrigation facilities, which mainly relies on natural rainfall to grow drought-resistant crops. This includes arable land without irrigation facilities that relies solely on flood irrigation. Among my country's grain crops, dryland rice and wheat can be grown in dryland. In modern agriculture, irrigation of dryland is often carried out using riser sprinkler irrigation. Existing riser sprinkler irrigation equipment has a rotating head at the top of the riser, and the same-direction oblique nozzles on the rotating head can use the sprinkler power of the high-pressure water source to drive the rotating head to rotate, thereby realizing rotating sprinkler irrigation.

[0003] However, the nozzles of existing sprinkler irrigation equipment are mostly fixed, which limits the area that can be irrigated. At the same time, rice crops near the riser cannot be effectively irrigated. Furthermore, in extremely hot and dry weather, simply irrigating rice crops cannot change the temperature and humidity of the environment, which is not conducive to the growth of rice crops. Therefore, we propose a rice field spraying device, temperature monitoring system and method to solve the problems existing in the current technology. Summary of the Invention

[0004] The purpose of this invention is to provide a rice paddy spraying device, a temperature monitoring system, and a method to solve the problems existing in the background art.

[0005] To achieve the above-mentioned technical objectives, the technical solution adopted by the present invention is as follows:

[0006] A rice paddy spraying device includes a riser, a water collection cylinder rotatably connected to the upper end of the riser, a plurality of first connecting parts disposed on the side of the water collection cylinder, and a plurality of spraying mechanisms laterally connected to the first connecting parts. Each spraying mechanism includes a second connecting part, a transverse connecting pipe, a first nozzle, and a second nozzle. The second connecting part is rotatably connected to the first connecting part. The transverse connecting pipe is transversely connected to the second connecting part. The first nozzle is vertically installed at the tail end of the transverse connecting pipe and is obliquely downward. The tail end of the transverse connecting pipe is also equipped with a rotating joint that is perpendicular to the horizontal direction. The second nozzle is connected to the rotating joint.

[0007] The riser is fitted with a first rotating cylinder on its upper side, and the transverse connecting pipe is provided with a second rotating cylinder on the side near the second connecting part. The transverse connecting pipe is equipped with a first electrically controlled valve, which is located between the second connecting part and the second rotating cylinder. The first rotating cylinder and the second rotating cylinder are connected together by a water inlet branch pipe, and the water inlet branch pipe is equipped with a second electrically controlled valve.

[0008] The transverse connecting pipe and the second nozzle are provided with a swinging component. The swinging component uses water flow to drive the second nozzle to swing. The second connecting part is provided with a rotating component. The rotating component uses water flow to drive the second connecting part to rotate. A locking component is also provided between the first connecting part and the second connecting part. The locking component uses electromagnetic attraction to fix and release the first connecting part and the second connecting part.

[0009] The transverse connecting pipe is machined with a connected drive housing, which is located between the second rotating drum and the first nozzle. The swing assembly includes a first water wheel, a turntable, and a telescopic rod. The rotating shaft of the first water wheel is rotatably connected to the drive housing. The blades of the first water wheel are not fixed to the inner wall of the drive housing. The rotating shaft of the first water wheel rotatably passes through the drive housing and its end is fixedly connected to the turntable. The end of the second nozzle is installed and fixedly fixed to the telescopic rod. The movable end of the telescopic rod is provided with a hinge seat, which is rotatably hinged to the turntable.

[0010] The first connecting part and the second connecting part are rotatably nested, and the rotating assembly includes a second water wheel, the blades of the second water wheel being fixed to the inner wall of the second connecting part.

[0011] The locking assembly includes an annular electromagnet and an annular iron plate for magnetic attraction. The annular electromagnet is sleeved and fixed to the outer wall of the first connecting part, and the annular iron plate is installed on the outer wall of the second connecting part. The annular iron plate corresponds to and matches the annular electromagnet.

[0012] An mounting bracket is provided on the upper side of the water collection cylinder, and a control box is mounted on the mounting bracket. The control box contains an energy storage module and a controller module. The energy storage module and the controller module are electrically connected. The energy storage module is electrically connected to the first solenoid valve, the second solenoid valve, and the annular electromagnet, respectively.

[0013] The upper side of the riser has a partition structure. The first rotating cylinder is rotatably connected to the partition of the riser, and the partition of the riser is connected as a whole by a number of first connecting ribs provided on the inner wall of the riser.

[0014] The side of the transverse connecting pipe near the second connecting part is a partition structure. The second rotating cylinder is rotatably connected to the partition of the transverse connecting pipe, and the partition of the transverse connecting pipe is connected as a whole by a number of second connecting ribs provided on the inner wall of the transverse connecting pipe.

[0015] It also includes a temperature detection system, which includes a temperature sensor and a humidity sensor. The energy storage module is electrically connected to the temperature sensor and the humidity sensor, and both the temperature sensor and the humidity sensor are signal connected to the controller module.

[0016] The present invention also provides a rice paddy spraying method, which includes the following spraying modes:

[0017] ① Irrigation mode (conventional mode):

[0018] The controller module locks and fixes the first and second connecting parts through a locking assembly, preventing them from rotating. The first solenoid valve of the transverse connecting pipe is closed, and the second solenoid valve of the inlet branch pipe is opened. Water enters the transverse connecting pipe through the riser and the inlet branch pipe, but does not enter through the riser, the water collection cylinder, the first connecting part, or the second connecting part. At this time, the water sprayed from the first nozzle drives the transverse connecting pipe to rotate unidirectionally relative to the riser. The water sprayed from the first nozzle irrigates the rice crops near the riser in all directions. At the same time, the swing assembly causes the second nozzle to swing, and the water sprayed from the second nozzle irrigates the rice crops far from the riser over a large area, increasing the irrigation range. The rice crops are kept in a suitable moisture and temperature environment through water spraying irrigation.

[0019] ② Cooling and Humidifying Mode (Extreme Weather Mode):

[0020] When the temperature sensor detects that the ambient temperature is higher than the high temperature threshold and the humidity sensor detects that the air humidity is higher than the humidity threshold, indicating an extremely hot environment, the controller module releases and fixes the first and second connecting parts through the locking assembly. The first and second connecting parts can rotate, opening the first solenoid valve of the transverse connecting pipe and closing the second solenoid valve of the inlet branch pipe. Water enters the transverse connecting pipe through the riser, water collection cylinder, first and second connecting parts, but does not enter the transverse connecting pipe through the riser or inlet branch pipe. At this time, after the water passes through the rotating and swinging assemblies, the transverse connecting pipe can rotate around the riser while also rotating on its own axis. The water sprayed by the first nozzle rotates and changes direction periodically, causing the transverse connecting pipe to rotate back and forth relative to the riser. This allows the water sprayed by the first and second nozzles to not only irrigate the rice paddy crops around the riser over a large area, but also spray water into the upper air to cool it down and increase the air humidity under the rotation of the second connecting part, so as to keep the rice paddy crops in a suitable moisture and temperature environment.

[0021] This invention can comprehensively irrigate rice crops around the riser through the first and second nozzles. At the same time, the swinging second nozzle can irrigate a farther range, expanding the irrigation area. It can also change the direction of water flow to change the irrigation method. It can not only carry out normal irrigation operations, but also improve the temperature and humidity of the upper air around the riser. Attached Figure Description

[0022] The present invention can be further illustrated by the non-limiting embodiments given in the accompanying drawings.

[0023] Figure 1 This is an example diagram of a set of spray mechanisms installed on the riser of the present invention;

[0024] Figure 2 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 3 for Figure 2 Enlarged schematic diagram of the cross-sectional structure at point A;

[0026] Figure 4 for Figure 2 Enlarged cross-sectional view of point B;

[0027] Figure 5 for Figure 2 Enlarged cross-sectional view of point C;

[0028] Figure 6 This is a schematic diagram of the circuit control system of the present invention;

[0029] Figure 7 These are simplified diagrams illustrating the sprinkler irrigation effects under two different methods of the present invention.

[0030] The symbols for the main components are explained below:

[0031] Riser 100, water collection cylinder 101, first rotating cylinder 102, mounting bracket 103, control box 104, first connecting rib 105;

[0032] First connecting part 110, annular electromagnet 111;

[0033] Second connecting part 120, second waterwheel 121, annular iron sheet 122;

[0034] Horizontal connecting pipe 130, rotary joint 131, second rotating drum 132, first electric control valve 133, water inlet branch pipe 134, second electric control valve 135, drive housing 136, first water wheel 137, turntable 138, second connecting rib 139;

[0035] First nozzle 140;

[0036] Second nozzle 150, telescopic rod 151, hinge seat 152;

[0037] Temperature sensor 160, humidity sensor 161. Detailed Implementation

[0038] To enable those skilled in the art to better understand the present invention, the technical solution of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0039] Example 1, such as Figures 1 to 5 The paddy field spraying device shown includes a riser 100, a water collection cylinder 101 rotatably connected to the upper end of the riser 100, a plurality of first connecting parts 110 disposed on the side of the water collection cylinder 101, and a plurality of spraying mechanisms laterally connected to the first connecting parts 110. The spraying mechanism includes a second connecting part 120, a transverse connecting pipe 130, a first nozzle 140, and a second nozzle 150. The second connecting part 120 is rotatably connected to the first connecting part 110. The transverse connecting pipe 130 is transversely connected to the second connecting part 120. The first nozzle 140 is vertically installed at the tail end of the transverse connecting pipe 130 and is obliquely downward. The tail end of the transverse connecting pipe 130 is also installed with a rotating joint 131 that is perpendicular to each other in the horizontal direction. The second nozzle 150 is connected to the rotating joint 131.

[0040] A first rotating drum 102 is sleeved on the upper side of the riser 100. A second rotating drum 132 is provided on the side of the transverse connecting pipe 130 near the second connecting part 120. A first solenoid valve 133 is installed on the transverse connecting pipe 130. The first solenoid valve 133 is located between the second connecting part 120 and the second rotating drum 132. A water inlet branch pipe 134 is connected between the first rotating drum 102 and the second rotating drum 132. A second solenoid valve 135 is installed on the water inlet branch pipe 134.

[0041] The transverse connecting pipe 130 and the second nozzle 150 are both provided with a swinging component. The swinging component uses water flow to drive the second nozzle 150 to swing. The second connecting part 120 is provided with a rotating component. The rotating component uses water flow to drive the second connecting part 120 to rotate. A locking component is also provided between the first connecting part 110 and the second connecting part 120. The locking component uses electromagnetic attraction to fix and loosen the first connecting part 110 and the second connecting part 120.

[0042] Before use, fix the riser 100 to the dry ground with ground nails, and connect the external high-pressure water source to the riser 100. Then it can be used.

[0043] When using it, there are two methods:

[0044] ① The first solenoid valve 133 is closed and the second solenoid valve 135 is opened. At the same time, the locking assembly fixes the first connecting part 110 and the second connecting part 120. The high-pressure water source will enter the inlet branch pipe 134 from the riser pipe 100 and then be introduced through the horizontal connecting pipe 130. The high-pressure water source will not enter the second connecting part 120. Therefore, the rotating assembly will not make the second connecting part 120 rotate. Finally, the high-pressure water mist is sprayed out through the first nozzle 140 and the second nozzle 150.

[0045] In this configuration, since the first nozzle 140 is vertically installed at the end of the transverse connecting pipe 130 and angled downwards, when the first nozzle 140 sprays high-pressure water mist, it enables each transverse connecting pipe 130 to drive the first connecting part 110, the second connecting part 120, and the water collecting cylinder 101 to rotate unidirectionally relative to the riser 100. At the same time, the water inlet branch pipe 134 is connected to the riser 100 through the first rotating cylinder 102, so the water inlet branch pipe 134 will also rotate relative to the riser 100 without interfering with the rotation of the transverse connecting pipe 130. This allows the water mist sprayed downwards from the first nozzle 140 to irrigate the rice crops near the riser 100. Meanwhile, under the action of the water flow inside the transverse connecting pipe 130, the second nozzle 150 connected by the rotating joint 131 swings up and down through the swing assembly, thereby increasing the irrigation area of ​​the high-pressure water mist sprayed by the second nozzle 150 and irrigating the rice crops far from the riser 100.

[0046] ② The first solenoid valve 133 opens and the second solenoid valve 135 closes. At the same time, the locking assembly loosens the connection between the first connection 110 and the second connection 120. The water source will enter the water collection cylinder 101 through the riser 100, and then be introduced through the first connection 110, the second connection 120 and the horizontal connection pipe 130. Finally, high-pressure water mist will be sprayed out through the first nozzle 140 and the second nozzle 150.

[0047] In this method, unlike the first method, the water flow first passes through the rotating assembly of the second connecting part 120 and then through the swing assembly. Therefore, the transverse connecting pipe 130 not only revolves around the riser 100, but the second connecting part 120, driven by the rotating assembly, also drives the transverse connecting pipe 130 to rotate. As a result, the first nozzle 140 will not only spray downwards, but will also spray while rotating, spraying high-pressure water mist into the upper air. Furthermore, the direction of the high-pressure water mist sprayed by the first nozzle 140 changes periodically due to its rotation, thereby causing the transverse connecting pipe 130 to drive the first connecting part 110 and the second connecting part 120... The connecting part 120 and the water collecting cylinder 101 reciprocate around the riser 100. At the same time, because the water inlet branch pipe 134 is connected to the first rotating cylinder 102 and the second rotating cylinder 132, it will not interfere with the revolution of the transverse connecting pipe 130 around the riser and the rotation of the transverse connecting pipe 130. When the transverse connecting pipe 130 rotates, the second nozzle 150, which swings up and down, will also rotate around the riser, so that the second nozzle 150 can spray high-pressure water mist into the upper air. This not only irrigates the rice crops around the riser 100, but also improves the temperature and humidity of the upper air around the riser 100.

[0048] This invention can comprehensively irrigate rice crops around the riser through the first and second nozzles. At the same time, the swinging second nozzle can irrigate a farther range, expanding the irrigation area. It can also change the direction of water flow to change the irrigation method. It can not only carry out normal irrigation operations, but also improve the temperature and humidity of the upper air around the riser.

[0049] As an explanation of the swing assembly, rotation assembly, and locking assembly in this embodiment, such as Figures 3 to 4 As shown, the transverse connecting pipe 130 is machined with a connected drive housing 136. The drive housing 136 is located between the second rotating drum 132 and the first nozzle 140. The swing assembly includes a first water wheel 137, a turntable 138, and a telescopic rod 151. The rotating shaft of the first water wheel 137 is rotatably connected to the drive housing 136. The blades of the first water wheel 137 are not fixed to the inner wall of the drive housing 136. The rotating shaft of the first water wheel 137 rotates through the drive housing 136 and its end is fixedly connected to the turntable 138. The end of the second nozzle 150 is installed and fixedly mounted to the telescopic rod 151. The movable end of the telescopic rod 151 is provided with a hinge seat 152. The hinge seat 152 is rotatably hinged to the turntable 138.

[0050] The first connecting part 110 and the second connecting part 120 are rotatably nested. The rotating assembly includes a second waterwheel 121, and the blades of the second waterwheel 121 are all fixed to the inner wall of the second connecting part 120.

[0051] The locking assembly includes an annular electromagnet 111 and an annular iron plate 122 for magnetic attraction. The annular electromagnet 111 is sleeved and fixed on the outer wall of the first connecting part 110, and the annular iron plate 122 is installed on the outer wall of the second connecting part 120. The annular iron plate 122 corresponds to and matches the annular electromagnet 111.

[0052] The working principle of the oscillating component is as follows:

[0053] When high-pressure water enters the transverse connecting pipe 130, the water flow will drive the blades of the first water wheel 137 to rotate within the drive housing 136, thereby causing the turntable 138, which is fixed to the shaft of the first water wheel 137, to rotate. Since the end of the second nozzle 150 is rotatably hinged to the turntable 138 via the telescopic rod 151 and the hinge seat 152, when the turntable 138 rotates, the second nozzle 150 will automatically swing by pulling the telescopic rod 151. At the same time, when the turntable 138 rotates, the telescopic rod 151 can also extend and retract adaptively to avoid jamming.

[0054] The working principle of the rotating assembly is as follows:

[0055] When the high-pressure water source enters the first connecting part 110 and the second connecting part 120, the water flow will drive the blades of the second water turbine 121, which is fixed inside the second connecting part 120, to rotate, thereby enabling the second connecting part 120 to rotate relative to the first connecting part 110, and thus driving the transverse connecting pipe 130 to rotate.

[0056] The working principle of the locking component is as follows:

[0057] When the annular electromagnet 111 mounted on the outer wall of the first connecting part 110 is energized and generates magnetism, it can magnetically attract the annular iron piece 122 on the outer wall of the second connecting part 120, thereby fixing the first connecting part 110 and the second connecting part 120 together. When the annular electromagnet 111 is de-energized and demagnetized, the annular electromagnet 111 can release the magnetic attraction with the annular iron piece 122, and at this time the second connecting part 120 can rotate relative to the first connecting part 110.

[0058] As a further improvement to this embodiment, such as Figure 1 , Figure 2 as well as Figure 6 As shown, a mounting bracket 103 is provided on the upper side of the water collection cylinder 101. A control box 104 is mounted on the mounting bracket 103. The control box 104 contains an energy storage module and a controller module. The energy storage module and the controller module are electrically connected. The energy storage module is electrically connected to the first solenoid valve 133, the second solenoid valve 135 and the annular electromagnet 111 respectively.

[0059] Additionally, a temperature detection system is included, comprising a temperature sensor 160 and a humidity sensor 161. The energy storage module is electrically connected to the temperature sensor 160 and the humidity sensor 161, and both the temperature sensor 160 and the humidity sensor 161 are signal-connected to the controller module.

[0060] The temperature sensor 160 and humidity sensor 161 are configured to monitor air temperature and humidity. The power storage module is directly connected to the temperature sensor 160 and humidity sensor 161 so that the temperature sensor 160 and humidity sensor 161 can maintain a working state in real time. At the same time, the controller module uses the temperature and humidity information monitored by the temperature sensor 160 and humidity sensor 161 to control the circuit between the power storage module and the first solenoid valve 133, the second solenoid valve 135 and the annular electromagnet 111, so as to control the opening and closing of the first solenoid valve 133 and the second solenoid valve 135 and the power supply to the annular electromagnet 111, thereby changing the irrigation mode.

[0061] As an explanation of the connection method between the first rotating drum 102 and the second rotating drum 132 in the above embodiments, as follows: Figure 3 and Figure 5 As shown, the upper side of the riser 100 has a partition structure. The first rotating cylinder 102 is rotatably connected to the partition of the riser 100, and the partition of the riser 100 is connected as a whole by a number of first connecting ribs 105 provided on the inner wall of the riser 100.

[0062] The side of the transverse connecting pipe 130 near the second connecting part 120 is a partition structure. The second rotating cylinder 132 is rotatably connected to the partition of the transverse connecting pipe 130, and the partition of the transverse connecting pipe 130 is connected as a whole by a number of second connecting ribs 139 provided on the inner wall of the transverse connecting pipe 130.

[0063] Example 2 is a rice paddy spraying method proposed based on Example 1. This spraying method includes the following two spraying modes:

[0064] ① Irrigation mode (conventional mode):

[0065] The controller module locks and fixes the first connecting part 110 and the second connecting part 120 through the locking assembly, so that the first connecting part 110 and the second connecting part 120 no longer rotate. The first solenoid valve 133 of the transverse connecting pipe 130 is closed and the second solenoid valve 135 of the water inlet branch pipe 134 is opened. Water enters the transverse connecting pipe 130 through the riser 100 and the water inlet branch pipe 134, but does not enter the transverse connecting pipe 130 through the riser 100, the water collection cylinder 101, the first connecting part 110 and the second connecting part 120. At this time, the water sprayed by the first nozzle 140 drives the transverse connecting pipe 130 to rotate unidirectionally relative to the riser 100. The water sprayed by the first nozzle 140 irrigates the rice crops near the riser 100 in all directions. At the same time, the swing assembly makes the second nozzle 150 swing. The water sprayed by the second nozzle 150 irrigates the rice crops far from the riser 100 over a large area, increasing the irrigation range. The rice crops are kept in a suitable moisture and temperature environment by water spraying irrigation.

[0066] ② Cooling and Humidifying Mode (Extreme Weather Mode):

[0067] When the temperature sensor 160 detects that the ambient temperature is higher than the high temperature threshold, and the humidity sensor 161 detects that the air humidity is higher than the humidity threshold, indicating an extremely dry and hot environment, the controller module releases and fixes the first connection part 110 and the second connection part 120 through the locking assembly. The first connection part 110 and the second connection part 120 can rotate, opening the first solenoid valve 133 of the transverse connecting pipe 130 and closing the second solenoid valve 135 of the water inlet branch pipe 134. Water enters the transverse connecting pipe 130 through the riser pipe 100, the water collection cylinder 101, the first connection part 110 and the second connection part 120, but does not enter through the riser pipe 100 or the water inlet branch pipe 134. Water enters the transverse connecting pipe 130. At this time, after passing through the rotating component and the swinging component, the transverse connecting pipe 130 revolves around the riser 100 while also rotating on its own axis. The water sprayed by the first nozzle 140 rotates on its own axis and changes direction periodically, causing the transverse connecting pipe 130 to reciprocate and rotate relative to the riser 100. As a result, the water sprayed by the first nozzle 140 and the second nozzle 150 can not only irrigate the paddy field crops around the riser 100 over a large area, but also spray water into the upper air to cool it down and increase the air humidity under the rotation of the second connecting part 120, so as to keep the paddy field crops in a suitable moisture and temperature environment.

[0068] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A rice paddy spraying device, comprising a riser, a water collection cylinder rotatably connected to the upper end of the riser, a plurality of first connecting portions disposed on the side of the water collection cylinder, and a plurality of spraying mechanisms transversely connected to the first connecting portions, characterized in that: The spraying mechanism includes a second connecting part, a transverse connecting pipe, a first nozzle, and a second nozzle. The second connecting part is rotatably connected to the first connecting part. The transverse connecting pipe is transversely connected to the second connecting part. The first nozzle is vertically installed at the tail end of the transverse connecting pipe and is obliquely downward. The tail end of the transverse connecting pipe is also equipped with a rotating joint that is perpendicular to each other in the horizontal direction. The second nozzle is connected to the rotating joint. The riser is fitted with a first rotating cylinder on its upper side, and the transverse connecting pipe is provided with a second rotating cylinder on the side near the second connecting part. The transverse connecting pipe is equipped with a first electrically controlled valve, which is located between the second connecting part and the second rotating cylinder. The first rotating cylinder and the second rotating cylinder are connected together by a water inlet branch pipe, and the water inlet branch pipe is equipped with a second electrically controlled valve. The transverse connecting pipe and the second nozzle are jointly provided with an oscillating component. The oscillating component uses water flow to drive the second nozzle to oscillate. The second connecting part is provided with a rotating component. The rotating component uses water flow to drive the second connecting part to rotate. A locking component is also provided between the first connecting part and the second connecting part. The locking component uses electromagnetic attraction to fix and loosen the first connecting part and the second connecting part. The transverse connecting pipe is machined with a connected drive housing, which is located between the second rotating drum and the first nozzle. The swing assembly includes a first water wheel, a turntable, and a telescopic rod. The rotating shaft of the first water wheel is rotatably connected to the drive housing. The blades of the first water wheel are not fixed to the inner wall of the drive housing. The rotating shaft of the first water wheel rotatably passes through the drive housing and its end is fixedly connected to the turntable. The end of the second nozzle is installed and fixedly mounted to the telescopic rod. The movable end of the telescopic rod is provided with a hinge seat, which is rotatably hinged to the turntable. The first connecting part and the second connecting part are rotatably nested, and the rotating assembly includes a second water wheel, the blades of the second water wheel being fixed to the inner wall of the second connecting part; The locking assembly includes an annular electromagnet and an annular iron plate for magnetic attraction. The annular electromagnet is sleeved and fixed to the outer wall of the first connecting part, and the annular iron plate is installed on the outer wall of the second connecting part. The annular iron plate corresponds to and matches the annular electromagnet.

2. The paddy field spraying equipment according to claim 1, characterized in that: An mounting bracket is provided on the upper side of the water collection cylinder, and a control box is mounted on the mounting bracket. The control box contains an energy storage module and a controller module. The energy storage module and the controller module are electrically connected. The energy storage module is electrically connected to the first solenoid valve, the second solenoid valve, and the annular electromagnet, respectively.

3. A rice paddy spraying device according to claim 2, characterized in that: The upper side of the riser has a partition structure. The first rotating cylinder is rotatably connected to the partition of the riser, and the partition of the riser is connected as a whole by a number of first connecting ribs provided on the inner wall of the riser. The side of the transverse connecting pipe near the second connecting part is a partition structure. The second rotating cylinder is rotatably connected to the partition of the transverse connecting pipe, and the partition of the transverse connecting pipe is connected as a whole by a number of second connecting ribs provided on the inner wall of the transverse connecting pipe.

4. A rice paddy spraying device according to claim 3, characterized in that: It also includes a temperature detection system, which includes a temperature sensor and a humidity sensor. The energy storage module is electrically connected to the temperature sensor and the humidity sensor, and both the temperature sensor and the humidity sensor are signal connected to the controller module.

5. A method for spraying rice paddies, comprising a rice paddy spraying device as described in any one of claims 1-4, characterized in that: This spraying method includes the following spray patterns: ① Irrigation mode: The controller module locks and fixes the first and second connecting parts through a locking assembly, preventing them from rotating. The first solenoid valve of the transverse connecting pipe is closed, and the second solenoid valve of the inlet branch pipe is opened. Water enters the transverse connecting pipe through the riser and the inlet branch pipe, but does not enter through the riser, the water collection cylinder, the first connecting part, or the second connecting part. At this time, the water sprayed from the first nozzle drives the transverse connecting pipe to rotate unidirectionally relative to the riser. The water sprayed from the first nozzle irrigates the rice crops near the riser in all directions. At the same time, the swing assembly causes the second nozzle to swing, and the water sprayed from the second nozzle irrigates the rice crops far from the riser over a large area, increasing the irrigation range. The rice crops are kept in a suitable moisture and temperature environment through water spraying irrigation. ② Cooling and Humidifying Mode: When the temperature sensor detects that the ambient temperature is higher than the high temperature threshold and the humidity sensor detects that the air humidity is higher than the humidity threshold, indicating an extreme dry and hot environment, the controller module releases and fixes the first and second connecting parts through the locking assembly. The first and second connecting parts can rotate, opening the first solenoid valve of the transverse connecting pipe and closing the second solenoid valve of the inlet branch pipe. Water enters the transverse connecting pipe through the riser, water collection cylinder, first and second connecting parts, but does not enter the transverse connecting pipe through the riser or inlet branch pipe. At this time, after the water passes through the rotating and swinging assemblies, the transverse connecting pipe can rotate around the riser while also rotating on its own axis. The water sprayed by the first nozzle rotates and changes direction periodically, causing the transverse connecting pipe to rotate back and forth relative to the riser. This allows the water sprayed by the first and second nozzles to not only irrigate the rice paddy crops around the riser over a large area, but also spray water into the upper air to cool it down and increase the air humidity under the rotation of the second connecting part, so as to keep the rice paddy crops in a suitable moisture and temperature environment.

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