Monitoring equipment for security and protection and use method thereof

Abstract

The invention discloses monitoring equipment for security and protection and a using method thereof.The monitoring equipment comprises a fixing frame, a protection box, a brush roller, a spray head, a driving mechanism and a water supply mechanism, the protection box is welded to the front side of the fixing frame, a temperature sensor and a humidity sensor are installed at the top of the fixing frame, and the protection box internally comprises a filtering chamber, a water storage chamber and a monitoring chamber; a monitoring camera is installed in the monitoring chamber, a filter screen is installed at the top of the filter chamber, the brush roller is located at the top of the filter screen, the nozzle is located above the monitoring camera, the driving mechanism is used for driving the nozzle to move back and forth and driving the brush roller to rotate while moving back and forth, and the water supply backflow mechanism is used for supplying water to the nozzle. Unclear shooting caused by dust attached to the surface of the monitoring camera can be prevented, the monitoring camera is prevented from being exposed to the sun and rain, and the service life of the monitoring camera is prolonged; rainwater can be used for cooling the monitoring camera working in a high-temperature environment, energy is saved, and the monitoring camera is prevented from being damaged due to overheating.

Description

Technical Field

[0001] The present invention relates to the technical field of security monitoring, and in particular to a security monitoring device and a use method thereof. Background Art

[0002] Security, or safety protection, refers to the process of protecting people, property, information, etc. from damage or threats through various technical means and measures. The goal of security is to establish a comprehensive and effective security protection system to reduce security risks and ensure the safety of people and property. Security usually covers the following aspects: physical security, information security, personnel security, environmental security, emergency response, etc. Physical security includes monitoring systems, which use monitoring equipment, sensors and other equipment to monitor in real time, record and observe activities in specific areas.

[0003] However, most of the existing security monitoring equipment is exposed to the outside, not only dust will adhere to the surface of the camera, resulting in unclear shooting, but also being exposed to the sun and rain will also affect its working life. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a security monitoring device and a method of using the same.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A monitoring device for security, comprising: a fixed frame and a protection box, wherein the protection box is welded to the front side of the fixed frame, a temperature sensor and a humidity sensor are fixedly installed side by side on the top of the fixed frame, the protection box comprises a filter chamber, a water storage chamber and a monitoring chamber, and a monitoring camera is fixedly installed in the monitoring chamber;

[0007] A brush roller, a filter screen is fixedly installed horizontally on the top of the filter chamber, and the brush roller is horizontally located on the top of the filter screen;

[0008] A nozzle, wherein the nozzle is located directly above the surveillance camera;

[0009] A driving mechanism, the driving mechanism is used to drive the nozzle to move back and forth, and drive the brush roller to move back and forth while rotating;

[0010] The water supply mechanism is used to supply water to the nozzle.

[0011] As a further technical solution of the present invention, a fixing plate is welded to the bottom of the fixing frame, a plurality of bolt holes are provided on both sides of the fixing plate, and the front side of the fixing frame is an open structure.

[0012] As a further technical solution of the present invention, the filter chamber, the water storage chamber and the monitoring chamber are arranged in sequence from top to bottom, the top of the filter chamber is an open structure, and the front side of the monitoring chamber is an open structure.

[0013] As a further technical solution of the present invention, a drain outlet is provided at the top of one side of the water storage chamber, and an electronic valve is installed on the drain outlet, a through opening is provided between the filter chamber and the water storage chamber, and a check valve is installed on the through opening, and a triangular stopper is horizontally welded on the front side of the bottom of the water storage chamber.

[0014] As a further technical solution of the present invention, the driving mechanism includes a forward and reverse motor, a first screw rod and a second screw rod. The forward and reverse motor is horizontally fixedly installed at a corner of the top of the monitoring room. The first screw rod is horizontally fixedly connected to the output end of the forward and reverse motor. A first moving block is sleeved on the first screw rod. The first moving block and the first screw rod are connected by threads. The first moving block is slidably connected to the top of the monitoring room. A connecting rod is horizontally welded to the side of the first moving block, and a fixing ring is welded to the other end of the connecting rod.

[0015] As a further technical solution of the present invention, the other end of the first screw rod passes through one side of the monitoring room and is rotatably connected to the monitoring room, a driving bevel gear is welded to the other end of the first screw rod, a driven bevel gear is meshed on the side of the driving bevel gear, a driven shaft is horizontally welded at the center of the driven bevel gear, the other end of the driven shaft is rotatably connected to the inner wall of the fixed frame, the second screw rod is horizontally rotatably connected to the top of the fixed frame, and the same belt is connected between the second screw rod and the driven shaft.

[0016] As a further technical solution of the present invention, a second movable block is sleeved on the second screw rod, the second movable block and the second screw rod are connected by threads, the second movable block is slidingly connected to the top of the fixed frame, the side of the second movable block is horizontally rotatably connected to a connecting shaft, a gear is welded on the connecting shaft, a rack is horizontally welded on the top of the fixed frame, the gear and the rack are meshed, and one end of the brush roller is welded to one end of the connecting shaft.

[0017] As a further technical solution of the present invention, the water supply mechanism includes a water pump, which is fixedly installed at the bottom of the water storage chamber. The water outlet of the water pump can be connected to an outlet pipe, and the other end of the outlet pipe is connected to a hose. The hose extends into the monitoring room, and the fixed ring is sleeved on the outside of the hose near one end of the nozzle.

[0018] As a further technical solution of the present invention, the water inlet of the water pump is horizontally connected to a water pumping main pipe, and the bottom of the water pumping main pipe is vertically connected to a first water pumping pipe and a second water pumping pipe. The bottom end of the first water pumping pipe is located at the bottom of the water storage chamber, and the bottom end of the second water pumping pipe is located at the bottom of the monitoring chamber.

[0019] A method for using a security monitoring device comprises the following specific steps:

[0020] S1: Install the surveillance camera in the surveillance room, and then use multiple expansion screws to pass through multiple bolt holes to fix the fixing plate at the surveillance position to complete the installation;

[0021] S2: Start the surveillance camera to monitor, and start the temperature sensor and humidity sensor to monitor the temperature and humidity of the air in real time;

[0022] S3: When it rains, rainwater enters the filter chamber after filtering out impurities through the filter net, and then passes through the check valve to enter the water storage chamber for storage. When the humidity sensor detects rain, the electronic valve is opened, and the excess rainwater entering the water storage chamber is discharged through the drain port;

[0023] S4: When the humidity sensor detects that it is not raining and the temperature sensor detects that the ambient temperature is high, the water pump is started to use the first pumping pipe to extract rainwater from the water storage chamber through the main pumping pipe, the outlet pipe and the hose, and then sprayed to the top of the monitoring camera through the nozzle. After the rainwater cools the monitoring camera, it falls to the bottom of the monitoring room and is blocked by the triangular block, and then is pumped back by the second pumping pipe for repeated use;

[0024] S5: simultaneously starting the forward and reverse motors to drive the first screw rod to reciprocate in forward and reverse directions, driving the first moving block to move back and forth on the first screw rod, the first moving block drives the fixed ring to move back and forth through the connecting rod, and the fixed ring drives the hose and the nozzle to move back and forth;

[0025] S6: The first screw drives the driven shaft to reciprocate in forward and reverse directions through the driving bevel gear and the driven bevel gear, and the driven shaft drives the second screw to reciprocate in forward and reverse directions through the belt, thereby driving the second moving block to move back and forth on the second screw, and the second moving block drives the connecting shaft to move back and forth;

[0026] S7: The connecting shaft drives the gear to move back and forth. Because the gear and the rack are meshing, the connecting shaft is driven to move back and forth while rotating back and forth. The connecting shaft drives the brush roller to move back and forth while rotating back and forth to brush away the impurities filtered on the top of the filter screen.

[0027] S8: When the humidity sensor detects that it is not raining and the temperature sensor detects that the ambient temperature is low, the forward and reverse motors and the water pump do not work.

[0028] The beneficial effects of the present invention are:

[0029] 1. Install a protective box on the outside of the surveillance camera to not only prevent dust from sticking to its surface and causing unclear shooting, but also protect it from sun and rain to extend its working life.

[0030] 2. Rainwater collected on rainy days can be used to cool down surveillance cameras working in high temperature environments. No additional water resources are required, energy is saved, and the surveillance cameras are prevented from being in a high temperature state for a long time, thereby avoiding overheating and damage.

[0031] 3. While driving the nozzle to move back and forth to cool down the surveillance camera, the brush roller can be driven to move back and forth and rotate to brush away the impurities filtered on the top of the filter to prevent clogging and affect the filtration of the next rainwater. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a structural schematic diagram of a security monitoring device proposed by the present invention;

[0033] Figure 2 This is a schematic diagram of the structure of a security monitoring device proposed by the present invention from a bottom-up perspective;

[0034] Figure 3 This is a schematic diagram of the right side cross-sectional structure of a security monitoring device proposed by the present invention;

[0035] Figure 4 This is a schematic diagram of the left side cross-sectional structure of a security monitoring device proposed by the present invention;

[0036] Figure 5 A rear cross-sectional structural diagram of a security monitoring device proposed by the present invention;

[0037] Figure 6 This is a schematic diagram of the partial structure of a security monitoring device proposed by the present invention.

[0038] In the figure: 1. bolt hole; 2. fixing plate; 3. fixing frame; 4. electronic valve; 5. temperature sensor; 6. rack; 7. humidity sensor; 8. brush roller; 9. filter; 10. protection box; 11. monitoring room; 12. monitoring camera; 13. connecting rod; 14. forward and reverse motor; 15. nozzle; 16. fixing ring; 17. hose; 18. water pump; 19. water outlet pipe; 20. triangular block; 21. first pumping pipe; 22. second pumping pipe; 23. pumping main pipe; 24. water storage chamber; 25. filter chamber; 26. first screw rod; 27. check valve; 28. first moving block; 29. ​​second moving block; 30. second screw rod; 31. belt; 32. driving bevel gear; 33. driven shaft; 34. driven bevel gear; 35. gear; 36. connecting shaft. DETAILED DESCRIPTION

[0039] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0040] Please see attached Figure 1 -Attached Figure 6 A security monitoring device includes: a fixed frame 3 and a protection box 10, the protection box 10 is welded to the front side of the fixed frame 3, a temperature sensor 5 and a humidity sensor 7 are fixedly installed side by side on the top of the fixed frame 3, the protection box 10 includes a filter chamber 25, a water storage chamber 24 and a monitoring chamber 11, and a monitoring camera 12 is fixedly installed in the monitoring chamber 11;

[0041] A brush roller 8, a filter screen 9 is fixedly installed horizontally on the top of the filter chamber 25, and the brush roller 8 is horizontally located on the top of the filter screen 9;

[0042] A nozzle 15, which is located directly above the surveillance camera 12;

[0043] A driving mechanism, the driving mechanism is used to drive the nozzle 15 to move back and forth, and drive the brush roller 8 to move back and forth while rotating;

[0044] The water supply mechanism and the water supply return mechanism are used to supply water to the nozzle 15 .

[0045] Please see attached Figure 1-6 In a preferred embodiment, a fixing plate 2 is welded to the bottom of the fixing frame 3, a plurality of bolt holes 1 are provided on both sides of the fixing plate 2, and the front side of the fixing frame 3 is an open structure.

[0046] Please see attached Figure 1-6 In a preferred embodiment, the filter chamber 25, the water storage chamber 24 and the monitoring chamber 11 are arranged in sequence from top to bottom, the top of the filter chamber 25 is an open structure, and the front side of the monitoring chamber 11 is an open structure.

[0047] Please see attached Figure 1-6 In a preferred embodiment, a drain port is provided at the top of one side of the water storage chamber 24, and an electronic valve 4 is installed on the drain port. A through port is provided between the filter chamber 25 and the water storage chamber 24, and a check valve 27 is installed on the through port. A triangular stopper 20 is horizontally welded on the front side of the bottom of the water storage chamber 24. The triangular stopper 20 facilitates the recycling of rainwater and prevents the rainwater inside the water storage chamber 24 from being consumed when it does not rain for a long time.

[0048] Please see attached Figure 1-6 In a preferred embodiment, the driving mechanism includes a forward and reverse motor 14, a first screw rod 26 and a second screw rod 30. The forward and reverse motor 14 is horizontally fixedly installed at a corner of the top of the monitoring room 11. The first screw rod 26 is horizontally fixedly connected to the output end of the forward and reverse motor 14. A first moving block 28 is sleeved on the first screw rod 26. The first moving block 28 and the first screw rod 26 are connected by threads. The first moving block 28 is slidably connected to the top of the monitoring room 11. A connecting rod 13 is horizontally welded to the side of the first moving block 28, and a fixing ring 16 is welded to the other end of the connecting rod 13.

[0049] Please see attached Figure 1-6 In a preferred embodiment, the other end of the first screw rod 26 passes through one side of the monitoring chamber 11 and is rotatably connected to the monitoring chamber 11. A driving bevel gear 32 is welded to the other end of the first screw rod 26. A driven bevel gear 34 is meshed on the side of the driving bevel gear 32. A driven shaft 33 is horizontally welded at the center of the driven bevel gear 34. The other end of the driven shaft 33 is rotatably connected to the inner wall of the fixed frame 3. The second screw rod 30 is horizontally rotatably connected to the top of the fixed frame 3. The same belt 31 is connected between the second screw rod 30 and the driven shaft 33.

[0050] Please see attached Figure 1-6 In a preferred embodiment, a second movable block 29 is sleeved on the second screw rod 30, and the second movable block 29 and the second screw rod 30 are connected by threads. The second movable block 29 is slidably connected to the top of the fixed frame 3, and the side of the second movable block 29 is horizontally rotatably connected to a connecting shaft 36, a gear 35 is welded on the connecting shaft 36, a rack 6 is horizontally welded on the top of the fixed frame 3, the gear 35 and the rack 6 are meshed, and one end of the brush roller 8 is welded to one end of the connecting shaft 36.

[0051] Please see attached Figure 1-6 In a preferred embodiment, the water supply mechanism includes a water pump 18, which is fixedly installed at the bottom of the water storage chamber 24. The water output of the water pump 18 can be connected to a water outlet pipe 19, and the other end of the water outlet pipe 19 is connected to a hose 17. The hose 17 extends into the monitoring room 11, and the fixing ring 16 is sleeved on the outside of the hose 17 near one end of the nozzle 15.

[0052] Please see attached Figure 1-6 In a preferred embodiment, the water inlet of the water pump 18 is horizontally connected to a water pumping main pipe 23, and the bottom of the water pumping main pipe 23 is vertically connected to a first water pumping pipe 21 and a second water pumping pipe 22. The bottom end of the first water pumping pipe 21 is located at the bottom of the water storage chamber 24, and the bottom end of the second water pumping pipe 22 is located at the bottom of the monitoring chamber 11.

[0053] A method for using a security monitoring device comprises the following specific steps:

[0054] S1: Install the surveillance camera 12 in the surveillance room 11, and then use a plurality of expansion screws to pass through a plurality of bolt holes 1 to fix the fixing plate 2 at the surveillance position to complete the installation;

[0055] S2: Start the monitoring camera 12 to perform monitoring work, and start the temperature sensor 5 and the humidity sensor 7 to monitor the temperature and humidity of the air in real time;

[0056] S3: When it rains, rainwater enters the filter chamber 25 after filtering out impurities through the filter screen 9, and then passes through the check valve 27 to enter the water storage chamber 24 for storage. When the humidity sensor 7 detects rain, the electronic valve 4 is opened, and the excess rainwater entering the water storage chamber 24 is discharged through the drain port;

[0057] S4: When the humidity sensor 7 detects that it is not raining and the temperature sensor 5 detects that the ambient temperature is high, the water pump 18 is started to use the first water pumping pipe 21 to extract rainwater from the water storage chamber 24 through the main water pumping pipe 23, the water outlet pipe 19 and the hose 17, and then sprayed to the top of the monitoring camera 12 through the nozzle 15. After the rainwater cools the monitoring camera 12, it falls into the bottom of the monitoring room 11 and is blocked by the triangular block 20, and then is drawn back by the second water pumping pipe 22 for repeated use;

[0058] S5: Simultaneously start the forward and reverse motor 14 to drive the first screw rod 26 to reciprocate in forward and reverse directions, drive the first moving block 28 to move back and forth on the first screw rod 26, the first moving block 28 drives the fixing ring 16 to move back and forth through the connecting rod 13, and the fixing ring 16 drives the hose 17 and the nozzle 15 to move back and forth;

[0059] S6: The first screw rod 26 drives the driven shaft 33 to reciprocate in forward and reverse directions through the driving bevel gear 32 and the driven bevel gear 34, and the driven shaft 33 drives the second screw rod 30 to reciprocate in forward and reverse directions through the belt 31, thereby driving the second moving block 29 to move back and forth on the second screw rod 30, and the second moving block 29 drives the connecting shaft 36 to move back and forth;

[0060] S7: The connecting shaft 36 drives the gear 35 to move back and forth. Since the gear 35 is meshed with the rack 6, the connecting shaft 36 is driven to move back and forth while rotating back and forth. The connecting shaft 36 drives the brush roller 8 to move back and forth while rotating back and forth, so as to brush away the impurities filtered on the top of the filter screen 9.

[0061] S8: When the humidity sensor 7 detects that it is not raining and the temperature sensor 5 detects that the ambient temperature is low, the forward and reverse motors 14 and the water pump 18 do not work.

[0062] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects: installing the protective box 10 outside the surveillance camera 12 not only prevents dust from adhering to its surface, resulting in unclear shooting, but also avoids exposure to the sun and rain to extend its working life;

[0063] The rainwater collected on rainy days can be used to cool down the surveillance camera 12 working in a high temperature environment, without the need for additional water resources, saving energy, and preventing the surveillance camera 12 from being in a high temperature state for a long time, thereby avoiding overheating and damage;

[0064] While driving the nozzle 15 to move back and forth to cool down the surveillance camera 15, the brush roller 8 can be driven to move back and forth while rotating to brush away impurities filtered on the top of the filter screen 9 to prevent clogging and affecting the filtration of the next rainwater.

[0065] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0066] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the claims. Therefore, any omissions, 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 security monitoring device, characterized in that: include: A fixed frame (3) and a protection box (10), wherein the protection box (10) is welded to the front side of the fixed frame (3), a temperature sensor (5) and a humidity sensor (7) are fixedly installed side by side on the top of the fixed frame (3), the protection box (10) comprises a filter chamber (25), a water storage chamber (24) and a monitoring chamber (11), and a monitoring camera (12) is fixedly installed in the monitoring chamber (11); A brush roller (8), a filter screen (9) is fixedly installed horizontally on the top of the filter chamber (25), and the brush roller (8) is horizontally located on the top of the filter screen (9); A nozzle (15), wherein the nozzle (15) is located directly above the monitoring camera (12); A driving mechanism, the driving mechanism is used to drive the spray head (15) to move back and forth, and drive the brush roller (8) to move back and forth while rotating; A water supply mechanism, wherein the water supply return mechanism is used to supply water to the spray head (15).

2. A security monitoring device according to claim 1, characterized in that: A fixing plate (2) is welded to the bottom of the fixing frame (3), a plurality of bolt holes (1) are provided on both sides of the fixing plate (2), and the front side of the fixing frame (3) is an open structure.

3. The security monitoring device according to claim 1, characterized in that: The filter chamber (25), the water storage chamber (24) and the monitoring chamber (11) are arranged in sequence from top to bottom; the top of the filter chamber (25) is an open structure, and the front side of the monitoring chamber (11) is an open structure.

4. A security monitoring device according to claim 3, characterized in that: A drainage port is provided at the top of one side of the water storage chamber (24), and an electronic valve (4) is installed on the drainage port; a through opening is provided between the filter chamber (25) and the water storage chamber (24), and a check valve (27) is installed on the through opening; a triangular stopper (20) is horizontally welded on the front side of the bottom of the water storage chamber (24).

5. The security monitoring device according to claim 1, characterized in that: The driving mechanism comprises a forward and reverse motor (14), a first screw rod (26) and a second screw rod (30); the forward and reverse motor (14) is horizontally fixedly installed at a corner of the top of the monitoring room (11); the first screw rod (26) is horizontally fixedly connected to the output end of the forward and reverse motor (14); a first moving block (28) is sleeved on the first screw rod (26); the first moving block (28) and the first screw rod (26) are connected by threads; the first moving block (28) is slidably connected to the top of the monitoring room (11); a connecting rod (13) is horizontally welded to the side of the first moving block (28); and a fixing ring (16) is welded to the other end of the connecting rod (13).

6. The security monitoring device according to claim 5, characterized in that: The other end of the first screw rod (26) passes through one side of the monitoring room (11) and is rotatably connected to the monitoring room (11); a driving bevel gear (32) is welded to the other end of the first screw rod (26); a driven bevel gear (34) is meshed on the side of the driving bevel gear (32); a driven shaft (33) is horizontally welded at the center of the driven bevel gear (34); the other end of the driven shaft (33) is rotatably connected to the inner wall of the fixed frame (3); the second screw rod (30) is horizontally rotatably connected to the top of the fixed frame (3); and a belt (31) is connected between the second screw rod (30) and the driven shaft (33).

7. The security monitoring device according to claim 6, characterized in that: A second movable block (29) is sleeved on the second screw rod (30), the second movable block (29) and the second screw rod (30) are connected by threads, the second movable block (29) is slidably connected to the top of the fixed frame (3), the side of the second movable block (29) is horizontally rotatably connected to a connecting shaft (36), a gear (35) is welded to the connecting shaft (36), a rack (6) is horizontally welded to the top of the fixed frame (3), the gear (35) and the rack (6) are meshed, and one end of the brush roller (8) is welded to one end of the connecting shaft (36).

8. The security monitoring device according to claim 7, characterized in that: The water supply mechanism comprises a water pump (18), the water pump (18) is fixedly mounted on the bottom of the water storage chamber (24), the water output of the water pump (18) can be connected to a water outlet pipe (19), the other end of the water outlet pipe (19) is connected to a hose (17), the hose (17) extends into the monitoring chamber (11), and the fixing ring (16) is sleeved on the outer side of the hose (17) near one end of the nozzle (15).

9. The security monitoring device according to claim 8, characterized in that: The water inlet of the water pump (18) is horizontally connected to a water pumping main pipe (23), and the bottom of the water pumping main pipe (23) is vertically connected to a first water pumping pipe (21) and a second water pumping pipe (22), wherein the bottom end of the first water pumping pipe (21) is located at the bottom of the water storage chamber (24), and the bottom end of the second water pumping pipe (22) is located at the bottom of the monitoring chamber (11).

10. A method for using a security monitoring device, characterized in that: The specific steps include: S1: Install the monitoring camera (12) in the monitoring room (11), and then use a plurality of expansion screws to pass through a plurality of bolt holes (1) to fix the fixing plate (2) at the monitoring position to complete the installation; S2: Start the monitoring camera (12) to perform monitoring work, and at the same time start the temperature sensor (5) and the humidity sensor (7) to monitor the temperature and humidity of the air in real time; S3: When it rains, rainwater passes through the filter screen (9) to filter out impurities and enters the filter chamber (25), then passes through the check valve (27) and enters the water storage chamber (24) for storage. When the humidity sensor (7) detects that it is raining, the electronic valve (4) is opened, and the excess rainwater that has entered the water storage chamber (24) is discharged through the drain port; S4: When the humidity sensor (7) detects that it is not raining and the temperature sensor (5) detects that the ambient temperature is high, the water pump (18) is started to extract rainwater from the water storage chamber (24) through the first water extraction pipe (21), and the rainwater is sprayed toward the top of the monitoring camera (12) through the water extraction main pipe (23), the water outlet pipe (19) and the hose (17) through the nozzle (15). After the rainwater cools the monitoring camera (12), it falls into the bottom of the monitoring chamber (11) and is blocked by the triangular block (20). It is then pumped back by the second water extraction pipe (22) for repeated use. S5: Simultaneously starting the forward and reverse motor (14) to drive the first screw rod (26) to reciprocate in forward and reverse directions, driving the first moving block (28) to move back and forth on the first screw rod (26), the first moving block (28) drives the fixing ring (16) to move back and forth through the connecting rod (13), and the fixing ring (16) drives the hose (17) and the nozzle (15) to move back and forth; S6: The first screw rod (26) drives the driven shaft (33) to reciprocate in forward and reverse directions through the driving bevel gear (32) and the driven bevel gear (34), and the driven shaft (33) drives the second screw rod (30) to reciprocate in forward and reverse directions through the belt (31), thereby driving the second moving block (29) to move back and forth on the second screw rod (30), and the second moving block (29) drives the connecting shaft (36) to move back and forth; S7: The connecting shaft (36) drives the gear (35) to move back and forth. Since the gear (35) and the rack (6) are meshed, the connecting shaft (36) is driven to move back and forth while rotating back and forth in both positive and negative directions. The connecting shaft (36) drives the brush roller (8) to move back and forth while rotating back and forth in both positive and negative directions, so as to brush away the impurities filtered on the top of the filter screen (9); S8: When the humidity sensor (7) detects that it is not raining and the temperature sensor (5) detects that the ambient temperature is low, the forward and reverse motors (14) and the water pump (18) do not work.

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