Drying mechanism for self-cleaning of rolling brush of sweeping robot

Abstract

The invention provides a drying mechanism for self-cleaning of a rolling brush of a sweeping robot, and belongs to the technical field of sweeping robot drying. Comprising a drying installation part, a cleaning scraping part is installed on the drying installation part, and a magnetic attraction control part is installed on the drying installation part; the magnetic attraction control piece is used for controlling the cleaning scraping piece to move for cleaning; two liquid return safety parts are mounted at the bottom of the drying mounting part; the liquid return safety piece is used for water accumulation prevention protection; a contour protection piece is arranged on the front side of the drying mounting piece; the profile protector is used to facilitate down-discharge. By arranging the liquid return safety piece, the liquid accumulation condition of the base station of the sweeper can be automatically detected, and once excessive accumulated liquid is caused by drainage blockage and other factors of the sweeper, automatic control can be achieved to assist in accelerating evaporation water removal; the problem that an existing drying mechanism for sweeping robot rolling brush self-cleaning is inconvenient to automatically control to assist in water evaporation when drainage of a base station is blocked is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of dry cleaning of a robot sweeper, and particularly relates to a dry cleaning mechanism for a robot sweeper. BACKGROUND

[0002] The dry cleaning mechanism for a robot sweeper is one of the key technologies for solving the problems of hair entanglement and bacterial growth, and the design directly affects the cleaning efficiency and user experience. The dry cleaning mechanism generates hot air through a built-in heating element to dry the roller brush and mop, thereby avoiding bacterial growth in a humid environment.

[0003] The current dry cleaning mechanism for a robot sweeper is not convenient for automatic control of the heating plate to prevent blockage. After long-term use, dust and lint are easily attached to the heating plate, which affects the subsequent heat output. In addition, the dry cleaning mechanism is not convenient for automatic control of the evaporation of water when the drainage of the base station is blocked. The drainage blockage can cause further bacterial growth on the mop. In addition, the traditional air drying method is provided with gaps between the two sides and the top of the robot sweeper and the base station, resulting in a large amount of heat loss and affecting the drying efficiency. Therefore, the present application provides a dry cleaning mechanism for a robot sweeper to meet the needs. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a dry cleaning mechanism for a robot sweeper to solve the problem that the current dry cleaning mechanism for a robot sweeper is not convenient for automatic control of the evaporation of water when the drainage of the base station is blocked.

[0005] To solve the above technical problems, the present application provides the following technical solutions: A dry cleaning mechanism for a robot sweeper, comprising a drying installation piece, a cleaning scraping piece is installed on the drying installation piece, and a magnetic attraction control piece is installed on the drying installation piece; the magnetic attraction control piece is used to control the movement of the cleaning scraping piece for cleaning; two liquid return safety pieces are installed at the bottom of the drying installation piece; the liquid return safety pieces are used for water accumulation protection; a profile protection piece is arranged on the front side of the drying installation piece; the profile protection piece is used to promote the discharge; the drying installation piece comprises a drying air guide shell and a fan, and the fan is fixedly installed at the top of the drying air guide shell; a through hole for passing through a bolt is arranged on the drying air guide shell; the drying air guide shell is used to be installed inside a base station of a robot sweeper.

[0006] Optionally, the drying installation piece further comprises two air outlet nozzles fixedly installed at the bottom of the drying air guide shell; the two air outlet nozzles pass through the base station of the robot sweeper to dry the mop and the drying installation piece of the robot sweeper, respectively; a row of electric heating plates is fixedly installed inside the drying air guide shell, and a spacing is arranged between the row of electric heating plates.

[0007] Optionally, the cleaning scraping piece comprises a sliding frame slidingly inserted on the drying air guide shell; the sliding frame is provided with a through slot; one end of the sliding frame is fixedly installed with a row of cleaning blocks, and the cleaning blocks are spaced apart; the cleaning blocks are located at intervals between a row of electric heating pieces; the cleaning blocks are used for scraping and cleaning the electric heating pieces.

[0008] Optionally, the magnetic control piece comprises an adjusting knob rotatably installed on the back of the fan, the end of the adjusting knob is located in the through slot provided on the sliding frame; the end of the adjusting knob is fixedly installed with an elastic piece, and the end of the elastic piece is fixedly installed on the back of the drying air guide shell; the elastic piece is a V-shaped elastic steel piece; the adjusting knob is fixedly installed with an electromagnet.

[0009] Optionally, the magnetic control piece further comprises an iron piece fixedly embedded on the back of the fan; the iron piece is aligned with the electromagnet; the electromagnet is used for magnetically attracting the iron piece; the electromagnet and the fan are connected in series.

[0010] Optionally, the liquid return safety piece comprises a water accumulation shell fixedly installed at the bottom of the air outlet nozzle; the water accumulation shell is fixedly installed with two conductive pieces, the electric heating pieces and the fan are connected in series; the two conductive pieces are located at the bottom of the air outlet nozzle; the inside of the water accumulation shell is used for water storage.

[0011] Optionally, the liquid return safety piece further comprises a water guide pipe fixedly installed on the water accumulation shell, and the water guide pipe penetrates through the base station shell of the sweeper; the end of the water guide pipe is located in the water tank at the bottom of the sweeper; a sponge column is fixedly sleeved on the water guide pipe; the sponge column is used for filtering impurities.

[0012] Optionally, the liquid return safety piece further comprises a lifting floating block slidingly sleeved on the inside of the water accumulation shell; the lifting floating block is used for detecting the liquid level; the lifting floating block is fixedly installed with an electric contact piece; the electric contact piece is located at the bottom of the two conductive pieces; the lifting floating block is a foam floating block structure.

[0013] Optionally, the contour protection piece comprises an air bag located on the front side of the drying air guide shell; the air bag is a rubber elastic structure, and the air bag is U-shaped; the air bag is used for being pasted on the upper edge of the base station of the sweeper; the air bag is used for being attached to the left and right sides and the upper side of the sweeper robot; the air bag is fixedly installed with a temperature control switch; the temperature control switch is externally connected with a warning lamp.

[0014] Optionally, the contour protection piece further comprises a pressure regulating pipe fixedly installed on the air bag; the pressure regulating pipe is provided with a valve; the pressure regulating pipe is connected with the inside of the air bag.

[0015] Compared with the prior art, the present application has at least the following advantages: In the above scheme, by setting the magnetic attraction control member and the fan in series, the electric heating piece can be automatically controlled to clean the electric heating piece, which can effectively prevent the electric heating piece from being blocked by impurities, affecting the heat dissipation and causing blockage, affecting the drying quality. The structure can realize automatic control and ensure the drying effect.

[0016] By setting the contour protection member, the air bag can be inflated elastically when the sweeper returns to the base station, and the left and right sides and the upper side of the sweeper can be assisted to fit. When the hot air is dried, there is a large gap between the two sides and the top of the sweeper and the opening of the base station, a large amount of hot air is wasted, which affects the drying quality and increases power consumption. The structure can promote the discharge of hot air from the bottom of the sweeper to ensure more direct drying of the mop.

[0017] By setting the liquid return safety member, the accumulation of the sweeper base station can be automatically detected. Once the accumulation is too much due to factors such as clogging of the sweeper drainage, the automatic control can be realized to assist in accelerating evaporation and water removal. It can effectively prevent the mop and brush from being continuously soaked in accumulated sewage due to high liquid level, causing mold and odor, and also avoid the odor caused by excessive accumulation of liquid, reduce bacterial growth, and directly improve the health quality through liquid detection. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings incorporated herein and forming part of the specification illustrate embodiments of the present application and, together with the specification, further serve to explain the principles of the present application and to enable one skilled in the relevant art to practice and use the present application.

[0019] Figure 1 is a schematic view of a three-dimensional structure of a drying mechanism for self-cleaning of a sweeping robot brush; Figure 2 is a schematic view of a bottom structure of a drying mechanism for self-cleaning of a sweeping robot brush; Figure 3 is a schematic view of a three-dimensional structure of a contour protection member; Figure 4 is a schematic view of a three-dimensional structure of a drying installation member; Figure 5 is a schematic view of a three-dimensional structure of a cleaning scraping member; Figure 6 is a schematic view of a three-dimensional structure of a magnetic attraction control member; Figure 7 is a sectional view of a liquid return safety member structure; Figure 8 is a schematic view of an electric contact piece installation position; Figure 9 is Figure 4 is an enlarged view of the C area structure in the middle.

[0020] Reference signs 1, drying installation; 101, drying air guide shell; 102, fan; 103, air outlet nozzle; 104, electric heating sheet; 2, cleaning scraping member; 201, sliding frame; 202, cleaning block; 3, magnetic control member; 301, adjusting tab; 302, elastic sheet; 303, electromagnet; 304, iron sheet; 4, backflow protection member; 401, accumulated water shell; 402, conductive sheet; 403, water guide pipe; 404, sponge column; 405, lifting float; 406, power receiving sheet; 5, contour protection member; 501, air bag; 502, temperature control switch; 503, pressure regulating pipe.

[0021] As shown in the drawings, in order to clearly realize the structure of the embodiments of the present application, specific structures and devices are marked in the drawings, but this is only for the need of illustration, and is not intended to limit the present application in the specific structures, devices and environments, and those skilled in the art can adjust or modify these devices and environments according to specific needs. DETAILED DESCRIPTION

[0022] A drying mechanism for self-cleaning of a rolling brush of a sweeping robot is described in detail below in combination with the drawings and specific embodiments. It should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and other alternative ways can also be used by those skilled in the art to implement some known technologies; and the drawings are only used to more specifically describe the embodiments, and are not intended to specifically limit the present application.

[0023] It should be noted that in the specification, "one embodiment", "embodiment", "exemplary embodiment", "some embodiments" and the like indicate that the described embodiments can include a specific feature, structure or property, but not necessarily every embodiment includes the specific feature, structure or property. In addition, when a specific feature, structure or property is described in combination with an embodiment, it should be within the knowledge of those skilled in the related art to realize this feature, structure or property in combination with other embodiments (whether or not explicitly described).

[0024] Generally, the terms can be understood at least in part from the context in which they are used. For example, depending on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular or can be used to describe combinations of features, structures, or characteristics, whether large or small, whether related or unrelated to each other. In addition, the term "based on" can be understood as not necessarily intending to convey a set of exclusive factors, but can instead, at least in part, depending on the context, allow the presence of other factors that are not necessarily explicitly described.

[0025] It is understood that the meanings of “on”, “above”, and “above” in this invention should be interpreted in the broadest manner, such that “on” means not only “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” means not only “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0026] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0027] like Figures 1 to 9 As shown, an embodiment of the present invention provides a drying mechanism for self-cleaning the roller brush of a sweeping robot, including a drying mounting component 1, a cleaning scraper 2 mounted on the drying mounting component 1, and a magnetic suction control component 3 mounted on the drying mounting component 1; the magnetic suction control component 3 is used to control the movement of the cleaning scraper 2 for cleaning; two return fluid safety components 4 are installed at the bottom of the drying mounting component 1; the return fluid safety components 4 are used for water accumulation protection; a contour protection component 5 is provided on the front side of the drying mounting component 1; the contour protection component 5 is used to promote downward discharge; the drying mounting component 1 includes: a drying air guide shell 101 and a fan 102, the fan 102 is fixedly mounted on the top of the drying air guide shell 101; the drying air guide shell 101 is provided with through holes for bolts to pass through; the drying air guide shell 101 is used to be installed inside the sweeping robot base station.

[0028] like Figures 2 to 6As shown, the drying mounting 1 further comprises two air outlet nozzles 103 fixedly mounted at the bottom of the drying air guide shell 101; the two air outlet nozzles 103 pass through the base station of the sweeper to dry the mop and the drying; a row of electric heating sheets 104 is fixedly mounted inside the drying air guide shell 101, and the electric heating sheets 104 are spaced apart; the cleaning scraping member 2 comprises a sliding frame 201 slidingly inserted into the drying air guide shell 101; the sliding frame 201 is provided with a through slot; a row of cleaning blocks 202 is fixedly mounted at the end of the sliding frame 201, and the cleaning blocks 202 are spaced apart; the cleaning blocks 202 are respectively located at the intervals between the electric heating sheets 104; the cleaning blocks 202 are used for scraping and cleaning the electric heating sheets 104; the magnetic control member 3 comprises an adjusting tab 301 rotatably mounted at the back of the fan 102, and the end of the adjusting tab 301 is located in the through slot provided on the sliding frame 201; the adjusting tab 301 is fixedly provided with an elastic sheet 302 at the end, and the end of the elastic sheet 302 is fixedly mounted at the back of the drying air guide shell 101; the elastic sheet 302 is a V-shaped elastic steel sheet; the adjusting tab 301 is fixedly provided with an electromagnet 303; the magnetic control member 3 further comprises an iron sheet 304 fixedly embedded at the back of the fan 102; the iron sheet 304 is aligned with the electromagnet 303; the electromagnet 303 is used for magnetically attracting the iron sheet 304; the electromagnet 303 and the fan 102 are connected in series, and the magnetic control member 3 and the fan 102 are connected in series, which can automatically control the cleaning of the electric heating sheets 104 when the mop needs to be dried each time, can effectively prevent the impurities attached to the surface of the electric heating sheets 104 from affecting the heat dissipation and causing blockage, and can affect the drying quality; the structure can realize automatic control and ensure the drying effect; the cleaning blocks 202 are used for moving and cleaning scraping, which does not affect the normal airflow circulation, and the cleaning is fast and efficient; when the fan 102 is started to supply air, the electromagnet 303 can be controlled to magnetically attract the iron sheet 304 at the same time; at this time, the adjusting tab 301 is driven to move inward to compress the elastic sheet 302, and then the sliding frame 201 is actuated to clean.

[0029] As Figures 2 to 8As shown, the liquid return safety device 4 includes a water accumulation shell 401 fixedly installed at the bottom of the air outlet nozzle 103; two conductive sheets 402 are fixedly installed on the water accumulation shell 401, and the two conductive sheets 402, the electric heating sheet 104 and the fan 102 are connected in series; the two conductive sheets 402 are located at the bottom of the air outlet nozzle 103; the water accumulation shell 401 is internally used for water storage; the liquid return safety device 4 further includes a water diversion pipe 403 fixedly installed on the water accumulation shell 401, and the water diversion pipe 403 penetrates through the base station shell of the sweeping machine; the end of the water diversion pipe 403 is located in the water tank at the bottom of the sweeping machine; a sponge column 404 is fixedly sleeved on the water diversion pipe 403; the sponge column 404 is used for filtering impurities; the liquid return safety device 4 further includes a lifting float 405 slidingly sleeved in the water accumulation shell 401; the lifting float 405 is used for detecting the liquid level height; an electric contact sheet 406 is fixedly installed on the lifting float 405; the electric contact sheet 406 is located at the bottom of the two conductive sheets 402; the lifting float 405 is a foam float structure; by using the liquid return safety device 4, the accumulation of liquid in the base station of the sweeping machine can be automatically detected; once the excessive accumulation of liquid is caused by the blockage of the drainage of the sweeping machine and other factors, automatic control of auxiliary acceleration of evaporation and water removal can be realized, the continuous soaking of the accumulated sewage in the mop roller brush caused by the excessive accumulation of liquid can be effectively avoided, the mildew and peculiar smell caused by the continuous soaking of the accumulated sewage in the mop roller brush can be avoided, the excessive peculiar smell caused by the excessive accumulation of liquid can be avoided, the breeding of bacteria can be reduced, the sanitary quality can be improved by directly detecting the accumulation of liquid, and the mop can be kept clean and tidy; once the accumulated amount of sewage produced when the mop of the sweeping machine is cleaned is too high, the lifting float 405 moves upward under the action of the buoyancy, the electric contact sheet 406 is attached to the two conductive sheets 402, the electric heating sheet 104 and the fan 102 are directly started to be controlled, the evaporation of water is promoted, and the liquid level is reduced.

[0030] As Figure 2 and Figure 3As shown, the profile protection piece 5 includes an air bag 501 located in front of the drying air guide shell 101, the air bag 501 is a rubber elastic structure, and the air bag 501 is U-shaped, the air bag 501 is used for being attached to the upper edge of the base station opening of the sweeper, the air bag 501 is used for being attached to the left and right sides and the upper side of the sweeper robot, a temperature control switch 502 is fixedly installed on the air bag 501, the temperature control switch 502 is externally connected with a warning light, the profile protection piece 5 further includes a pressure regulating pipe 503 fixedly installed on the air bag 501, a valve is arranged on the pressure regulating pipe 503, the pressure regulating pipe 503 is communicated with the inside of the air bag 501, the profile protection piece 5 can utilize the inflation elastic structure of the air bag 501 to assist in being attached to the left and right sides and the upper side of the sweeper when the sweeper returns to the base station, so that a large amount of hot air is not wasted due to the large gap between the two sides and the upper side of the sweeper and the opening of the base station when the air is dried by the wind, the drying quality is affected, and the power consumption is increased, the structure can promote the discharge of hot air from the bottom of the sweeper, ensure that the mop is dried more directly, and the temperature control switch 502 can detect the wind leakage, and the warning light can be automatically detected and controlled to be lighted when the air bag 501 is damaged or the internal air pressure is insufficient and a large amount of hot air is leaked, and the structure is simple.

[0031] The working principle provided by the present application is as follows: first, the drying air guide shell 101 is installed in the sweeper base station by bolts, the air bag 501 is attached to the upper edge of the base station opening of the sweeper, the air bag 501 can be inflated in advance by the pressure regulating pipe 503 connected to the air pump, then the valve on the pressure regulating pipe 503 is tightened to be closed, the air bag 501 can be directly attached and closed when the sweeper returns to the base station, when the fan 102 is started to supply wind, the electromagnet 303 can be controlled to be electrified at the same time, at this time, the adjusting piece 301 is driven to move inward to compress the elastic piece 302, and then the sliding frame 201 is actuated to move the cleaning block 202 to scrape and clean the row of electric heating wires 104, when the hot air drying is stopped, the electromagnet 303 is also automatically de-energized, under the extrusion of the elastic piece 302, the adjusting piece 301 automatically actuates the cleaning block 202 to reset, when the accumulated amount of sewage generated when the sweeper cleans the mop is too high and cannot be discharged in time, the water is penetrated into the water accumulation shell 401 through the sponge column 404, the liquid level in the water accumulation shell 401 is raised, the lifting float 405 is moved upward under the action of the buoyancy, the electric contact piece 406 is attached to the two conductive pieces 402, the electric heating wires 104 and the fan 102 are directly started to be controlled, water evaporation is promoted, the liquid level is reduced, the structure control is simple, and the mop is ensured to be dried.

[0032] The present application encompasses any alternatives, modifications, equivalent methods and solutions made to the essence and scope of the present application. In order to make the public have a thorough understanding of the present application, specific details are described in the following preferred embodiments of the present application, and the present application can also be fully understood without the description of these details to those skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the present application, well-known methods, processes, procedures, elements and circuits, etc. are not described in detail.

[0033] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can also be made, which should be considered as the protection scope of the present application.

Claims

1. A dry mechanism for self-cleaning of a rolling brush of a sweeping robot, comprising a drying mounting piece (1), a cleaning scraping piece (2) is installed on the drying mounting piece (1), characterized in that, The drying installation piece (1) is provided with a magnetic control piece (3); the magnetic control piece (3) is used for controlling the cleaning scraping piece (2) to move and clean; The bottom of the drying installation piece (1) is provided with two liquid return safety pieces (4); the liquid return safety piece (4) is used for preventing water accumulation and protection; The front side of the drying installation piece (1) is provided with a contour protection piece (5); the contour protection piece (5) is used for promoting the lower discharge; The drying installation piece (1) comprises a drying air guide shell (101) and a fan (102), and the fan (102) is fixedly installed at the top of the drying air guide shell (101); the drying air guide shell (101) is provided with a through hole for penetrating a bolt; and the drying air guide shell (101) is used for being installed inside a base station of a sweeper.

2. The dry mechanism for self-cleaning of the rolling brush of the sweeping robot according to claim 1, wherein, The drying installation piece (1) further comprises two air outlet nozzles (103) fixedly installed at the bottom of the drying air guide shell (101); the two air outlet nozzles (103) penetrate the sweeper mop and the drying device of the base station of the sweeper respectively; a row of electric heating fins (104) are fixedly installed inside the drying air guide shell (101), and intervals are arranged between the electric heating fins (104).

3. The dry mechanism for self-cleaning of the rolling brush of the sweeping robot according to claim 2, characterized in that, The cleaning scraping piece (2) comprises a sliding frame (201) slidingly inserted into the drying air guide shell (101); the sliding frame (201) is provided with a through slot; a row of cleaning blocks (202) are fixedly installed at the end of the sliding frame (201), and intervals are arranged between the cleaning blocks (202); a row of the cleaning blocks (202) are arranged at the intervals between a row of the electric heating fins (104); and a row of the cleaning blocks (202) are used for scraping and cleaning a row of the electric heating fins (104).

4. The dry mechanism for self-cleaning of the rolling brush of the sweeping robot according to claim 3, characterized in that, The magnetic control piece (3) comprises an adjusting tab (301) rotatably installed at the back of the fan (102), the end of the adjusting tab (301) is located in the through slot arranged on the sliding frame (201); an elastic sheet (302) is fixedly installed at the end of the adjusting tab (301), and the end of the elastic sheet (302) is fixedly installed at the back of the drying air guide shell (101); the elastic sheet (302) is a V-shaped elastic steel sheet; and an electromagnet (303) is fixedly installed on the adjusting tab (301).

5. The dry mechanism for self-cleaning of the rolling brush of the sweeping robot according to claim 4, characterized in that, The magnetic control piece (3) further comprises an iron sheet (304) fixedly embedded at the back of the fan (102); the iron sheet (304) is aligned with the electromagnet (303); the electromagnet (303) is used for magnetically attracting the iron sheet (304); and the electromagnet (303) and the fan (102) are connected in series.

6. The dry mechanism for self-cleaning of the rolling brush of the sweeping robot according to claim 2, wherein, The liquid return safety piece (4) comprises a water accumulation shell (401) fixedly installed at the bottom of the air outlet nozzle (103); two conductive sheets (402) are fixedly installed on the water accumulation shell (401), the two conductive sheets (402), the electric heating fin (104) and the fan (102) are connected in series; the two conductive sheets (402) are located at the bottom of the air outlet nozzle (103); and the water accumulation shell (401) is used for water storage.

7. The dry mechanism for self-cleaning of the rolling brush of the sweeping robot according to claim 6, wherein, The back liquid safety device (4) further comprises a water guide pipe (403) fixedly installed on the water accumulation shell (401), and the water guide pipe (403) penetrates through the base station shell of the sweeper; the end of the water guide pipe (403) is located in the water tank at the bottom of the sweeper; a sponge column (404) is fixedly sleeved on the water guide pipe (403); the sponge column (404) is used for filtering impurities.

8. The dry mechanism for self-cleaning of the rolling brush of the sweeping robot according to claim 7, characterized in that, The back liquid safety device (4) further comprises a lifting float (405) slidably sleeved in the water accumulation shell (401); the lifting float (405) is used for detecting the liquid level; an electricity receiving sheet (406) is fixedly installed on the lifting float (405); the electricity receiving sheet (406) is located at the bottom of the two electricity conducting sheets (402); the lifting float (405) is a foam float structure.

9. The dry mechanism for self-cleaning of the rolling brush of the sweeping robot according to claim 1, wherein, The contour protection device (5) comprises an air bag (501) located at the front side of the drying air guide shell (101); the air bag (501) is a rubber elastic structure, and the air bag (501) is in a U shape; the air bag (501) is used for being attached to the upper edge of the base station opening of the sweeper; the air bag (501) is used for being attached to the left side and the right side and the upper side of the sweeper robot; a temperature control switch (502) is fixedly installed on the air bag (501); the temperature control switch (502) is externally connected with a warning lamp.

10. The dry mechanism for self-cleaning of the rolling brush of the sweeping robot according to claim 9, wherein, The contour protection device (5) further comprises a pressure regulating pipe (503) fixedly installed on the air bag (501); a valve is arranged on the pressure regulating pipe (503); the pressure regulating pipe (503) is communicated with the inside of the air bag (501).

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