A method for detecting thermal defects of the building envelope

Abstract

The present invention relates to a method for detecting thermal defects of the peripheral enclosure, comprising the following steps: S1: cleaning the wall near the door and window openings through a cleaning component; S2: installing a seal for sealing the doors and windows on the wall surface through a sealing component; S3: heating the indoor environment by a hot air blower, setting a temperature sensor indoors, and the control system controlling the hot air blower based on the temperature data fed back by the temperature sensor. When the temperature value reaches the first threshold, the control system shuts down the hot air blower, and when the temperature value reaches the second threshold, the hot air blower is turned on for heat compensation; S4: detecting the wall through an infrared thermal imaging instrument. The present application can alleviate the problem that gaps are likely to be generated between the edge of the plastic film and the wall, resulting in heat loss in the building and making it difficult to maintain the indoor environmental temperature within a constant range.

Description

Technical Field

[0001] The present invention relates to the technical field of detection, and particularly to a method for detecting thermal defects of the peripheral enclosure. Background Art

[0002] The thermal performance of the building's peripheral enclosure structure directly affects building energy consumption and thermal comfort. The heat transfer coefficient of the wall component and whether there are thermal defects in the exterior wall directly characterize the energy-saving effect of the wall and the construction quality. Therefore, during the acceptance inspection, the inspectors will conduct thermal defect detection on the wall.

[0003] During the detection, an infrared thermal imager is usually used. Before and during the detection, the environmental conditions need to meet the detection standards. Since the doors and windows of a newly built building are not installed yet, in order to ensure that the indoor environmental temperature remains within a constant range to meet the environmental temperature conditions during the detection, the workers usually use plastic film to cover the installation openings of the doors and windows and then nail the plastic film to the wall with nails, and the nails are arranged at intervals to reduce the heat flowing outwards. However, by nailing the plastic film to the wall with nails, gaps are likely to be generated between the edge of the plastic film and the wall, resulting in heat loss inside the building and making it difficult to maintain the indoor environmental temperature within a constant range. Summary of the Invention

[0004] In order to alleviate the problem that gaps are likely to be generated between the edge of the plastic film and the wall, resulting in heat loss inside the building and making it difficult to maintain the indoor environmental temperature within a constant range, the present application provides a method for detecting thermal defects of the peripheral enclosure.

[0005] The method for detecting thermal defects of the peripheral enclosure provided by the present application adopts the following technical solutions:

[0006] A method for detecting thermal defects of the peripheral enclosure includes the following steps:

[0007] S1: Sweep the wall near the door and window openings through a cleaning component;

[0008] S2: Install a seal for sealing the door and window on the wall through a sealing component;

[0009] S3: Heat up the indoor environment of the building through a hot air blower, set a temperature sensor indoors, and the control system controls the hot air blower based on the temperature data fed back by the temperature sensor. When the temperature value reaches the first threshold, the control system turns off the hot air blower, and when the temperature value reaches the second threshold, the hot air blower is turned on for heat compensation;

[0010] S4: Detect the wall through an infrared thermal imager.

[0011] By adopting the above technical solution, during use, the operator sweeps the wall surface at the door and window to be sealed through the cleaning component to remove the grit on the wall surface and make the wall surface flat. Then, the sealing component is used to install the seal for sealing the door and window on the wall, so as to form a closed space indoors. Then, the hot air blower is started to raise the temperature of the environment in the building. The temperature sensor detects the environmental temperature in the building and controls the hot air blower through the control system, so that the environmental temperature in the building is maintained at the environmental temperature required for detection and kept at a constant temperature for a period of time. Then, the wall is detected by the infrared thermal imaging instrument. Therefore, the present application can alleviate the problem that gaps are easily generated between the edge of the plastic film and the wall, resulting in heat loss in the building and making it difficult to maintain the environmental temperature in the building within a constant range.

[0012] Optionally, the cleaning component includes a water tank, a water pump, a connecting pipe and a hose. A moving plate is provided at the bottom of the water tank. The water pump is arranged on the water tank. The water inlet end of the water pump is communicated with the water tank through the connecting pipe. The water outlet end of the water pump is communicated with the hose. One end of the hose is communicated with a power pipe. A rotating impeller is rotatably connected in the power pipe. The power pipe is rotatably connected with a rotating cylinder through a sealing bearing. A cleaning brush is provided on the outer bottom surface of the rotating cylinder. The rotating shaft of the rotating impeller is connected to the inner bottom wall of the rotating cylinder through a first rod. A plurality of first through holes are opened at the bottom of the rotating cylinder.

[0013] By adopting the above technical solution, during use, the operator starts the water pump. The water pump extracts the water in the water tank through the connecting pipe and transports it into the hose. Then, the high-pressure water passes through the power pipe and flows through the rotating impeller. The impact force of the high-pressure water on the rotating impeller drives the rotating impeller to rotate rapidly. The rotating impeller drives the first rod to rotate, and the first rod drives the rotating cylinder to rotate. At the same time, the water passing through the rotating impeller sprays out through the first through holes. The operator holds the power pipe and moves the power pipe to use the cleaning brush to clean the grit. The sprayed water can reduce the possibility of generating dust.

[0014] Optionally, the sealing component includes a first plate, a second plate and a first screw. The seal is a rubber air bag. The rubber air bag is connected to the first screw. One end of the first screw is connected to the first plate. A second through hole for the first screw to pass through is opened on the second plate. A tightening pipe is threadedly connected to the first screw. The tightening pipe presses against the second plate. An inlet hole is opened at one end of the first screw. The inlet hole is arranged along the length direction of the first screw. A plurality of third through holes communicating with the inlet hole are opened on the outer side wall of the first screw. All the plurality of third through holes are communicated with the inside of the rubber air bag.

[0015] By adopting the above technical solution, when in use, the operator first presses the first plate against the outer wall, so that the first screw passes through the installation opening of the door and window, and passes through the second through hole on the second plate, and the operator pushes the second plate so that the second plate is pressed against the inner wall of the building, and then rotates the clamping tube, and the clamping tube presses against the second plate, so that the first plate and the second plate clamp the wall together, and then injects gas or liquid into the water inlet hole, and enters the rubber airbag from the third through hole, so that the rubber airbag is deformed and fills the space enclosed by the first plate and the second plate, which plays a role in blocking the installation opening of the door and window, and because the rubber airbag can be deformed, the contact area between the rubber airbag and the first plate, the second plate and the wall plays a sealing role, reducing the possibility of indoor heat outflow.

[0016] Optionally, a plug-in ring groove is provided at one end of the clamping tube facing away from the second plate, and magnets are provided on the side walls of the plug-in ring groove. A yield groove is provided at the bottom of the rotating cylinder, and a second ring groove is provided at the bottom of the rotating cylinder. The second ring groove is arranged along the length direction of the rotating cylinder. The rotating cylinder is made of iron. The rotating cylinder is inserted into the second ring groove and is sucked by the magnet. A water outlet hole is provided at the bottom of the clamping tube, and the water outlet hole is connected to a first soft tube, and the first soft tube is connected to the water inlet hole through a conductive piece.

[0017] By adopting the above technical solution, when in use, the operator inserts the rotating cylinder into the plug-in ring groove and contacts it with the magnet, the first screw rod is inserted into the yield groove, the magnet attracts the rotating cylinder, and when the rotating cylinder rotates, the rotating cylinder drives the tightening tube to rotate, so that the tightening tube moves toward the second plate, and the end of the first screw rod away from the first plate moves toward the yield groove. When the first screw rod hits the bottom of the yield groove, the tightening cylinder presses against the second plate. At the same time, water flowing out of the first through hole flows into the plug-in ring groove and flows into the first soft tube through the water outlet through hole to be temporarily stored. Therefore, the possibility of manually tightening the tightening tube is reduced, saving manpower.

[0018] Optionally, the conducting component includes a first valve, a one-way valve and a water pipe, the first valve is arranged on the first soft tube, the first rod is a hollow structure, one end of the first rod passes through the rotating shaft of the rotating impeller, and is connected to one end of the water pipe through a first bearing, the water pipe passes through the side wall of the power tube and is connected to the first soft tube, a first water injection hole is formed at the bottom of the first rod, a second water injection hole connected to the first water injection hole is formed at the bottom of the give way groove, the one-way valve is arranged in the water inlet hole, and when the clamping tube is pressed against the second plate, the second water injection hole is connected to the water inlet of the one-way valve.

[0019] By adopting the above technical solution, when the abutment tube is pressed against the second plate, the second plate limits the abutment tube, so that the abutment tube cannot continue to move, so that the rotating tube stops, and then the first rod stops, and finally the rotating impeller stops. At this time, water continues to pass through the gap between the blades of the rotating impeller, and enters the first soft tube, the hollow structure of the first rod entered through the water pipe, and then enters the one-way valve, so as to achieve the effect of injecting water into the rubber airbag to make it expand. When the rubber airbag is fully expanded, the operator closes the first valve to block the discharge of water entering the plug-in ring groove, so that high-pressure water is discharged from the first through hole and impacts the bottom of the plug-in ring groove. The impact force of the high-pressure water on the plug-in ring groove causes the rotating cylinder to be subjected to a reverse force, and the reverse force is greater than the adsorption force of the magnet on the rotating cylinder, which is conducive to the operator pulling the rotating cylinder out of the plug-in ring groove and saving manpower.

[0020] Optionally, the first plate and the second plate are both transparent hard plastic plates.

[0021] By adopting the above technical solution, it is convenient for the operator to observe the deformation degree of the rubber airbag, and the possibility of the rubber airbag being ruptured due to excessive deformation is reduced.

[0022] Optionally, a limiting groove corresponding to the plurality of magnets is provided on the outer side wall of the rotating cylinder, one end of the limiting groove is connected to the bottom end of the rotating cylinder, and the magnet is inserted into the limiting groove and slidably cooperates therewith.

[0023] By adopting the above technical solution, when in use, the operator inserts the magnet into the limiting groove, and the cooperation between the limiting groove and the magnet limits the rotating cylinder, thereby reducing the possibility of the rotating cylinder slipping in the plug-in ring groove due to excessive water pressure.

[0024] Optionally, sliding grooves are provided on all sides of the second plate facing the wall, and the sliding grooves are provided with sealing rubber pads, and the sealing rubber pads are closely attached to the wall surface.

[0025] By adopting the above technical solution, when the second plate presses the wall, the rubber pad is deformed, thereby increasing the contact area between the second plate and the wall and further improving the sealing performance.

[0026] In summary, the present application includes at least one of the following beneficial technical effects:

[0027] 1. Use the cleaning component to clean the wall surface at the door and window that needs to be closed, remove the protruding gravel on the wall surface, and make the wall surface flat. Then, use the closing component to install the sealing member used to seal the door and window on the wall, so that a closed space is formed indoors. Then, start the hot air blower to heat up the environment in the building. The temperature sensor detects the ambient temperature in the building, and controls the hot air blower through the control system, so that the ambient temperature in the building is maintained at the ambient temperature required for the detection. After maintaining the constant temperature for a period of time, the wall is detected by the infrared thermal imaging instrument. Therefore, the present application can alleviate the problem that a gap is easily generated between the edge of the plastic film and the wall, causing the heat in the building to be lost, and making it difficult to maintain the ambient temperature in the building within a constant range.

[0028] 2. The water pump extracts the water in the water tank through the connecting pipe and transfers it to the hose. Then the high-pressure water passes through the power pipe and flows through the rotating impeller. The impact force of the high-pressure water on the rotating impeller drives the rotating impeller to rotate rapidly, so that the rotating cylinder rotates. At the same time, the water passing through the rotating impeller is sprayed out through the first through hole. The operator holds the power pipe and moves the power pipe, and uses the cleaning brush to clean the gravel. The sprayed water can reduce the possibility of generating dust.

[0029] 3. Insert the rotating cylinder into the plug-in ring groove and contact it with the magnet, insert the first screw into the yield groove, the magnet attracts the rotating cylinder, and the rotating cylinder drives the tightening tube to rotate, so that the tightening tube moves toward the second plate. When the first screw hits the bottom of the yield groove, the tightening cylinder presses against the second plate. At the same time, water flowing out of the first through hole flows into the plug-in ring groove and flows into the first soft tube through the water outlet through hole for temporary storage. Therefore, the possibility of manually tightening the tightening tube is reduced, saving manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the structure of this application.

[0031] Figure 2 It is a schematic diagram of the structure of the first plate in the embodiment of the present application.

[0032] Figure 3 It is a schematic diagram of the structure of the first plate, the second plate and the abutting tube in the embodiment of the present application.

[0033] Figure 4 Yes Figure 3 Sectional view along AA direction.

[0034] Figure 5 Yes Figure 4 Enlarged view of part A.

[0035] Figure 6 It is a structural schematic diagram of the first through hole, the cleaning brush, and the limiting groove in the embodiment of the present application.

[0036] Figure 7 is an enlarged view of part B in Figure 4 the figure.

[0037] Explanation of reference numerals in the drawings: 1, hot air blower; 2, water tank; 3, water pump; 4, connecting pipe; 5, hose; 6, moving plate; 7, self-locking universal wheel; 8, power pipe; 9, rotating impeller; 10, sealing bearing; 11, rotating cylinder; 12, relief groove; 13, cleaning brush; 14, first through hole; 15, first plate; 16, second plate; 17, first screw; 18, rubber airbag; 19, pressing pipe; 20, water inlet hole; 21, third through hole; 22, plugging ring groove; 23, magnet; 24, second ring groove; 25, limiting groove; 26, water outlet through hole; 27, first soft pipe; 28, first valve; 29, one-way valve; 30, water pipe; 31, second water pipe; 32, first bearing; 33, first rod; 34, first water injection through hole; 35, second water injection through hole; 36, sliding groove; 37, sealing rubber pad. Detailed implementation mode

[0038] The following further elaborates on this application in conjunction with the attached Figures 1 - 7 drawings.

[0039] The embodiment of this application discloses a method for detecting peripheral thermal insulation defects, including the following steps:

[0040] S1: Use the cleaning component to clean the wall near the opening of the door or window;

[0041] S2: Use the sealing component to install the seal for sealing the door or window on the wall surface;

[0042] S3: Use the hot air blower 1 to raise the temperature of the indoor environment of the building. Set a temperature sensor indoors. The control system controls the hot air blower 1 based on the temperature data fed back by the temperature sensor. When the temperature value reaches the first threshold, the control system turns off the hot air blower 1. When the temperature value reaches the second threshold, turn on the hot air blower 1 for heat compensation; keep the indoor environment temperature of the building maintained between the first threshold and the second threshold for 24 hours;

[0043] S4: Use an infrared thermal imaging instrument to detect the wall.

[0044] Referring to Figure 1 , Figure 2 and Figure 3 , the cleaning component includes a water tank 2, a water pump 3, a connecting pipe 4 and a hose 5. The bottom of the water tank 2 is fixedly connected with a moving plate 6, and self-locking universal wheels 7 are arranged at the four feet of the moving plate 6. The water pump 3 is arranged on the water tank 2. The water inlet end of the water pump 3 is communicated with the water tank 2 through the connecting pipe 4, and the water outlet end of the water pump 3 is communicated with the hose 5.

[0045] Reference Figure 4 , Figure 5 and Figure 6 One end of the hose 5 is connected to a power tube 8, and a rotating impeller 9 is rotatably connected inside the power tube 8. One end of the power tube 8 is rotatably connected to a rotating cylinder 11 through a sealed bearing 10. The rotating cylinder 11 is sleeved outside the power tube 8. A clearance groove 12 is provided at the bottom of the outer cylinder of the rotating cylinder 11. A cleaning brush 13 is connected to the outer bottom surface of the rotating cylinder 11. The rotating shaft of the rotating impeller 9 is connected to the inner bottom wall of the rotating cylinder 11 through a first rod 33.

[0046] Reference Figure 4 , Figure 5 and Figure 6 A plurality of first through holes 14 are formed at the bottom of the rotating cylinder 11 . The first rod 33 is a hollow structure. One end of the first rod 33 passes through the rotating shaft of the rotating impeller 9 and is fixedly connected to the rotating shaft of the rotating impeller 9 . The closing assembly includes a first plate 15, a second plate 16 and three first screws 17. The sealing member is a rubber airbag 18. The rubber airbag 18 is arranged in a one-to-one correspondence with the first screw 17. The rubber airbag 18 is fixedly connected to the first screw 17. One end of the first screw 17 is fixedly connected to the first plate 15. A second through hole for the first screw 17 to pass through is provided on the second plate 16. A tightening tube 19 is threadedly connected to the first screw 17. The tightening tube 19 presses against the second plate 16. A water inlet hole 20 is provided at one end of the first screw 17 away from the first plate 15. The water inlet hole 20 is arranged along the length direction of the first screw 17. A plurality of third through holes 21 connected to the water inlet hole 20 are provided on the outer wall of the first screw 17. The plurality of third through holes 21 on each of the first screws 17 are connected to the inside of the corresponding rubber airbag 18.

[0047] Reference Figure 4 , Figure 5 and Figure 6 A plug-in ring groove 22 is provided at one end of the clamping tube 19 facing away from the second plate 16, and a plurality of magnets 23 are fixedly connected to the side wall of the plug-in ring groove 22. A second ring groove 24 is provided at the bottom of the rotating cylinder 11, and the second ring groove 24 is connected to the outer circumferential side wall of the rotating cylinder 11. The second ring groove 24 is arranged along the length direction of the rotating cylinder 11. The rotating cylinder 11 is made of iron, and a limiting groove 25 corresponding to the plurality of magnets 23 is provided on the side wall of the second ring groove 24. One end of the limiting groove 25 is connected to the bottom end of the rotating cylinder 11. The magnet 23 is inserted into the limiting groove 25 and slidably cooperates with the limiting groove 25, and the rotating cylinder 11 is sucked tightly by the magnet 23. At this time, the end face of the clamping tube 19 contacts the bottom surface of the second ring groove 24. At this time, there is a gap between the outer bottom surface of the rotating cylinder 11 and the plug-in ring groove 22.

[0048] Reference Figure 4 , Figure 5 and Figure 6A water outlet through hole 26 is provided at the bottom of the abutting tube 19, and the water outlet through hole 26 is connected to a first soft tube 27, and the first soft tube 27 is connected to the water inlet hole 20 through a conducting member. The conducting member includes a first valve 28, a one-way valve 29, and a water pipe 30. The first valve 28 is arranged on the first soft tube 27, and the end of the first valve 28 away from the first soft tube 27 is threadedly connected to the second water pipe 31. One end of the water pipe 30 is rotatably connected to the first rod 33 through a first bearing 32, and the water pipe 30 is connected to the hollow structure of the first rod 33. The other end of the water pipe 30 passes through the side wall of the power tube 8 and is connected to the second water pipe 31.

[0049] Reference Figure 4 , Figure 5 and Figure 6 A first water injection hole 34 is formed at the bottom of the first rod 33, and a second water injection hole 35 connected to the first water injection hole 34 is formed at the bottom of the groove 12. One end of the first rod 33 is fixedly inserted into the second water injection hole 35. The one-way valve 29 is arranged in the water inlet hole 20 to realize the one-way conduction of water flow. When the pressing tube 19 is pressed against the second plate 16, the second water injection hole 35 is connected to the water inlet of the one-way valve 29.

[0050] Reference Figure 1 , Figure 4 and Figure 7 The first plate 15 and the second plate 16 are both transparent hard plastic plates. The second plate 16 is provided with sliding grooves 36 on all sides facing the wall. A sealing rubber pad 37 is fixedly connected in the sliding groove 36 and the sealing rubber pad 37 is close to the wall.

[0051] The implementation principle of the external protection thermal defect detection method of the embodiment of the present application is as follows: when in use, the operator starts the water pump 3, the water pump 3 extracts the water in the water tank 2 through the connecting pipe 4 and transports it to the hose 5, the high-pressure water passes through the power pipe 8 and flows through the rotating impeller 9, the rotating impeller 9 drives the first rod 33 to rotate, the first rod 33 drives the rotating cylinder 11 to rotate, at the same time, the water passing through the rotating impeller 9 is sprayed out through the first through hole 14, the operator holds the power pipe 8 and moves, and uses the cleaning brush 13 to clean the gravel on the wall, so that the wall surface is smoother and the possibility of generating dust is reduced;

[0052] Next, the operator selects the first plate 15 and the second plate 16 of the corresponding size to the installation opening of the door and window, places the first plate 15 close to the outer wall and covers the installation opening, so that the first screw rod 17 passes through the installation opening of the door and window and the second through hole on the second plate 16, closes the water pump 3, and then inserts the rotating cylinder 11 into the plug-in ring groove 22 and contacts the magnet 23, inserts the first screw rod 17 into the clearance groove 12, starts the water pump 3 again, the rotating cylinder 11 rotates and drives the abutting tube 19 to rotate, so that the abutting tube 19 moves in the direction close to the second plate 16, and when the first screw rod 17 abuts against the bottom of the clearance groove 12, the abutting tube 19 abuts against the second plate 16;

[0053] At the same time, the water flowing out of the first through hole 14 flows out of the plug-in ring groove 22, and flows into the first soft tube 27 through the water outlet through hole 26 for temporary storage, reducing the possibility of manually tightening the clamping tube 19, saving manpower; when the clamping tube 19 is pressed against the second plate 16, the second plate 16 limits the clamping tube 19, so that the clamping tube 19 cannot continue to move, so that the rotating cylinder 11 stops, and then the first rod 33 stops, and finally the rotating impeller 9 stops. At this time, the water continues to pass through the gap between the blades of the rotating impeller 9, and enters the first soft tube 27, passes through the first valve 28, the second water pipe 31, and enters the hollow structure of the first rod 33 through the water pipe 30, and then enters the one-way valve 29, the rubber airbag 18 is filled with water to expand. The operator can observe the expansion of the rubber airbag 18 through the second plate 16. When the rubber airbag 18 is fully expanded, the operator closes the first valve 28 to block the water entering the plug-in ring groove 22 from being discharged, so that the high-pressure water is discharged from the first through hole 14 and impacts the bottom of the plug-in ring groove 22. The impact force of the high-pressure water on the plug-in ring groove 22 causes the rotating cylinder 11 to be subjected to a reverse force. The reverse force is greater than the adsorption force of the magnet 23 on the rotating cylinder 11, which is conducive to the operator pulling the rotating cylinder 11 out of the plug-in ring groove 22, saving manpower. Repeat the above process, press the three abutting tubes 19 against the second plate 16, and then turn off the water pump 3;

[0054] Turning on the hot air blower 1 increases the ambient temperature in the building. The temperature sensor detects the ambient temperature in the building, and controls the hot air blower 1 through the control system to maintain the ambient temperature in the building at the ambient temperature required for detection. After maintaining the constant temperature for a period of time, the wall is detected by an infrared thermal imaging instrument. Therefore, the present application can alleviate the problem that a gap is easily generated between the edge of the plastic film and the wall, resulting in heat loss in the building, making it difficult to maintain the ambient temperature in the building within a constant range.

[0055] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A method for detecting thermal engineering defects of the peripheral enclosure, characterized in that: It includes the following steps: S1: Clean the wall near the opening of the door and window through the cleaning component; S2: Install the seal for sealing the door and window on the wall through the closing component; S3: Heat up the indoor environment of the building through the hot air blower (1). A temperature sensor is set indoors. The control system controls the hot air blower (1) based on the temperature data fed back by the temperature sensor. When the temperature value reaches the first threshold, the control system turns off the hot air blower (1). When the temperature value reaches the second threshold, the hot air blower (1) is turned on for heat compensation; S4: Detect the wall through the infrared thermal imaging instrument; The closing component includes a first plate (15), a second plate (16) and a first screw rod (17). The seal is a rubber airbag (18). The rubber airbag (18) is connected to the first screw rod (17). One end of the first screw rod (17) is connected to the first plate (15). A second through hole for the first screw rod (17) to pass through is provided on the second plate (16). A tightening tube (19) is threadedly connected to the first screw rod (17). The tightening tube (19) presses against the second plate (16). An inlet hole (20) is provided at one end of the first screw rod (17). The inlet hole (20) is arranged along the length direction of the first screw rod (17). A plurality of third through holes (21) communicating with the inlet hole (20) are provided on the outer side wall of the first screw rod (17). A plurality of the third through holes (21) are all communicated with the inside of the rubber airbag (18).

2. The method for detecting thermal engineering defects of the outer enclosure according to claim 1, characterized in that: The cleaning component includes a water tank (2), a water pump (3), a connecting pipe (4) and a hose (5). A moving plate (6) is provided at the bottom of the water tank (2). The water pump (3) is arranged on the water tank (2). The water inlet end of the water pump (3) is communicated with the water tank (2) through the connecting pipe (4). The water outlet end of the water pump (3) is communicated with the hose (5). One end of the hose (5) is communicated with a power pipe (8). A rotating impeller (9) is rotatably connected in the power pipe (8). The power pipe (8) is rotatably connected with a rotating cylinder (11) through a sealing bearing (10). A cleaning brush (13) is provided on the outer bottom surface of the rotating cylinder (11). The rotating shaft of the rotating impeller (9) is connected to the inner bottom wall of the rotating cylinder (11) through a first rod (33). A plurality of first through holes (14) are provided at the bottom of the rotating cylinder (11).

3. The method for detecting the thermal engineering defects of the peripheral enclosure according to claim 2, wherein: The end of the abutting tube (19) facing away from the second plate (16) is provided with an inserting ring groove (22), and the side walls of the inserting ring groove (22) are provided with magnets (23). The bottom of the rotating cylinder (11) is provided with a giving way groove (12), and the bottom of the rotating cylinder (11) is provided with a second ring groove (24), and the second ring groove (24) is arranged along the length direction of the rotating cylinder (11). The rotating cylinder (11) is made of iron. The rotating cylinder (11) is inserted into the second ring groove (24) and is sucked by the magnet (23). The bottom of the abutting tube (19) is provided with a water outlet hole (26), and the water outlet hole (26) is connected to a first soft tube (27), and the first soft tube (27) is connected to the water inlet hole (20) through a conductive member.

4. The method for detecting the thermal engineering defects of the external enclosure according to claim 3, characterized in that: The conducting member comprises a first valve (28), a one-way valve (29) and a water pipe (30). The first valve (28) is arranged on the first soft pipe (27). The first rod (33) is a hollow structure. One end of the first rod (33) passes through the rotating shaft of the rotating impeller (9) and is connected to one end of the water pipe (30) through a first bearing (32). The water pipe (30) passes through the side wall of the power pipe (8) and is connected to the first soft pipe (27). A first water injection hole (34) is provided at the bottom end of the first rod (33). A second water injection hole (35) communicating with the first water injection hole (34) is provided at the bottom of the give way groove (12). The one-way valve (29) is arranged in the water inlet hole (20). When the abutting tube (19) abuts against the second plate (16), the second water injection hole (35) communicates with the water inlet of the one-way valve (29).

5. A method for detecting thermal engineering defects of the peripheral enclosure according to claim 1, characterized in that: The first plate (15) and the second plate (16) are both transparent hard plastic plates.

6. The method for detecting thermal engineering defects of the external enclosure according to claim 3, characterized in that: The outer wall of the rotating cylinder (11) is provided with limiting grooves (25) arranged one-to-one corresponding to the plurality of magnets (23), one end of the limiting groove (25) is connected to the bottom end of the rotating cylinder (11), and the magnets (23) are inserted into the limiting grooves (25) and slidably cooperate with the limiting grooves (25).

7. A method for detecting thermal engineering defects of an external envelope according to claim 1, characterized in that: The second plate (16) is provided with sliding grooves (36) on all sides facing the wall, and the sliding grooves (36) are provided with sealing rubber pads (37), and the sealing rubber pads (37) are closely attached to the wall surface.

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