CN112168075A - Floor sweeping robot - Google Patents
Floor sweeping robot Download PDFInfo
- Publication number
- CN112168075A CN112168075A CN202010990356.XA CN202010990356A CN112168075A CN 112168075 A CN112168075 A CN 112168075A CN 202010990356 A CN202010990356 A CN 202010990356A CN 112168075 A CN112168075 A CN 112168075A
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- China
- Prior art keywords
- air
- air outlet
- fan
- duct
- sweeping robot
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/24—Floor-sweeping machines, motor-driven
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4094—Accessories to be used in combination with conventional vacuum-cleaning devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electric Suction Cleaners (AREA)
Abstract
The invention provides a floor sweeping robot which comprises a shell, a fan assembly, an air inlet structure and an air outlet structure, wherein the fan assembly, the air inlet structure and the air outlet structure are arranged in the shell, the fan assembly comprises a fan, the air outlet structure comprises an air outlet duct and a duct air outlet, air is sucked from the air inlet structure, enters the air outlet structure after passing through the fan and is finally discharged from the duct air outlet, the fan and the duct air outlet are respectively positioned on two sides of the shell, the air outlet duct is positioned between the fan and the duct air outlet, and the fan and the duct air outlet are communicated through the. In the sweeping robot, the fan and the air outlet of the air duct are respectively positioned at two sides of the shell, so that the superposition and amplification of noise are avoided; meanwhile, the air outlet duct is positioned between the fan and the air outlet of the air duct, and the air outlet duct is prolonged on the premise of not increasing the volume of the sweeping robot by utilizing the space between the fan and the two sides of the shell where the air outlet of the air duct is positioned; and the length of the air outlet duct is prolonged, so that the noise generated when the air flows in the air outlet duct is very small.
Description
Technical Field
The invention relates to the technical field of household cleaning appliances, in particular to a sweeping robot.
Background
Along with the increasing intellectualization of human life, the application of the sweeping robot is more and more common, and the sweeping robot can automatically complete the cleaning work of the ground under the control of artificial intelligence. The sweeping robot sucks dust on the ground together with air through the operation of a fan in the sweeping robot, the dust is retained in the dust box, and clean air is discharged through the air outlet structure. Most air-out structure size at present is all smaller, and the air is short through the air-out wind channel of fan discharge casing, and the air flows in air-out wind channel and can be because of fluid vibration and produce great noise, and fan operation itself also can produce a large amount of noises, and the noise just is bigger after the hatchback superposes. The prior art has the mode noise abatement through extension air-out wind channel, but nevertheless makes the volume of robot of sweeping the floor also increase simultaneously, is unfavorable for the miniaturized principle of machine. Although the air outlet duct adopting the spiral form can be prolonged on the premise of not increasing the volume of the sweeping robot, the noise is reduced, the air outlet duct is bent to change the air flow direction all the time, so that the energy loss of the air is large, the flow speed of the air can be slowed down even, the air outlet amount in unit time is greatly reduced, and the work efficiency of the sweeping robot is reduced.
Disclosure of Invention
The invention aims to provide a sweeping robot, which can extend an air outlet duct and reduce noise on the premise of not increasing the volume of the sweeping robot.
The technical scheme includes that the sweeping robot comprises a shell, a fan assembly, an air inlet structure and an air outlet structure, wherein the fan assembly, the air inlet structure and the air outlet structure are arranged in the shell, the fan assembly comprises a fan, the air outlet structure comprises an air outlet air duct and an air outlet opening, air is sucked from the air inlet structure, enters the air outlet structure after passing through the fan and is finally discharged from an air outlet of the air duct, the fan and the air outlet of the air duct are respectively located on two sides of the shell, the air outlet air duct is located between the fan and the air outlet of the air duct, and the fan is communicated with the.
Compared with the prior art, the sweeping robot has the following advantages: the fan and the air outlet of the air duct are respectively positioned on two sides of the shell, so that superposition and amplification of noise are avoided; meanwhile, the air outlet duct is positioned between the fan and the air outlet of the air duct, so that the space between the fan and the two sides of the shell where the air outlet of the air duct is positioned is utilized, and the air outlet duct is prolonged on the premise of not increasing the volume of the sweeping robot; in addition, the length of the air outlet duct is prolonged, so that the noise generated when air flows in the air outlet duct is very small; the length of the air outlet duct is prolonged, the path of the air flow flowing in the shell is long, more heat generated in the shell can be taken away, and the whole sweeping robot is favorably cooled.
Preferably, the air outlet structure comprises an upper cover, the air outlet duct is arranged on the upper cover, one end of the air outlet duct is communicated with the air outlet of the fan, the other end of the air outlet duct is communicated with the air outlet of the air duct, and the air outlet duct is one layer or a plurality of layers which are overlapped up and down. By adopting the structure, the structure of the whole machine is beneficial to being compact, the air outlet duct can be arranged on the upper cover into one layer or a plurality of layers which are arranged in an up-and-down overlapping way, and can also be arranged into various shapes to prolong the length of the air outlet duct and reduce the noise; in addition, the structure is simplified, and the air outlet duct is not easy to interfere with the internal parts of the shell, so that the size of the whole machine is further controlled, and the internal structure layout is facilitated; two ends of the air outlet duct can be respectively adjacent to two opposite edges of the upper cover, so that the length of the air outlet duct is further prolonged.
Preferably, the air inlet structure comprises a dust collection port and a fan air inlet channel, the dust collection port enables a dust collection part at the bottom of the shell to be communicated with the fan air inlet channel, a filter and a dust box are arranged in the fan air inlet channel, the fan air inlet channel is also communicated with an air inlet of the fan, the dust box is arranged in a space between the fan and an air outlet of the air duct, and an opening for the dust box to enter and exit the fan air inlet channel is arranged on the shell. By adopting the structure, the structure is beneficial to the compact structure of the whole machine, the air inlet of the fan is convenient, the dust cleaning box is convenient to mount or dismount, and the dust cleaning box can not interfere with other parts in the shell.
Preferably, the air inlet structure comprises a dust absorption channel and an air inlet channel which are communicated with each other, the air inlet channel is communicated with an air inlet of the fan, air is sucked from the dust absorption channel, enters the fan through the air inlet channel, enters the air outlet structure and is finally discharged from an air outlet of the air channel. By adopting the structure, air is sucked from the dust absorption channel and enters the fan through the air inlet duct, and the negative pressure in the air inlet structure can be stabilized by prolonging the air inlet duct; the air inlet duct also prolongs the path of the air flow flowing through the shell, can bring away more heat generated in the shell, and is beneficial to cooling the whole sweeping robot.
Preferably, the air inlet duct and the air outlet duct form a multilayer duct which is arranged in an overlapping manner. By adopting the structure, the air inlet duct and the air outlet duct occupy small volume, which is beneficial to the compact structure of the whole machine.
Preferably, the air inlet end of the fan is further provided with an air duct rear cover plate, and the air duct rear cover plate is used for enabling the airflow sucked into the fan to reversely flow to the air outlet of the fan. By adopting the structure and matching with the double-layer air duct structure, the air can simply flow in and out of the fan.
Preferably, the shell is provided with a dust suction port which enables a dust suction part at the bottom of the shell to be communicated with a dust suction channel inside the shell, and a dust box and a filter are arranged in the dust suction channel; the air inlet duct and the air outlet duct form a multilayer air duct which is overlapped and is adjacent to the dust box; the dust box and the filter enter and exit the dust suction passage from the upper part of the shell. By adopting the structure, the structure is beneficial to the compact structure of the whole machine, the air inlet of the fan is facilitated, the dust cleaning box is convenient to mount or dismount, and the dust cleaning box can not interfere with other parts inside the shell.
Preferably, an air deflector is further arranged between the air outlet duct and the air outlet of the air duct. By adopting the structure, the air deflector can guide the air exhaust duct, and avoid the generation of excessive friction or vibration between the air deflector and the air duct before the air is exhausted from the air outlet of the air duct to generate larger noise.
Preferably, the fan assembly further comprises a damping noise reduction assembly, wherein the damping noise reduction assembly comprises damping soft rubber arranged at the front end and the rear end of the fan and soundproof cotton wrapped outside the fan. By adopting the structure, the damping soft rubber at the front end and the rear end of the fan and the soundproof cotton outside the fan can avoid overlarge vibration amplitude when the fan operates, and can reduce noise.
Preferably, the air outlet duct is a straight duct. By adopting the structure, the movement direction of the air in the air outlet duct of the straight duct can not be changed, the energy loss is small, and the flow velocity of the air can not be changed basically, so that the working efficiency of the sweeping robot can not be influenced.
Drawings
Fig. 1 is an external structural schematic view of a sweeping robot in embodiment 1 of the present invention.
Fig. 2 is a schematic view of an internal air outlet structure of a sweeping robot in embodiment 1 of the present invention.
Fig. 3 is a schematic view of an internal air intake structure of a sweeping robot in embodiment 1 of the present invention.
Fig. 4 is an external structural schematic view of a sweeping robot in embodiment 2 of the present invention.
Fig. 5 is a schematic internal structural view of a sweeping robot in embodiment 2 of the present invention.
Fig. 6 is a schematic structural view of a double-layer air duct of a sweeping robot in embodiment 2 of the present invention.
Fig. 7 is an exploded view of a double-layer air duct of a sweeping robot in embodiment 2 of the present invention.
As shown in the figure: 1. a surface cover, 2, an upper cover, 2-1, a dust box limiting piece, 3, a dust box, 4, an air outlet channel, 4-1, an air outlet channel air inlet, 4-2, a wind deflector, 4-3, an air channel air outlet, 4-4, an air inlet channel, 4-5, an air channel clapboard, 4-6, an air outlet channel, 4-7, an air outlet plastic plate, 4-8, an air inlet plastic plate, 4-9, an air inlet channel air inlet, 5, a loudspeaker, 5-1, an air outlet hole, 6, a fan, 6-1, a fan air inlet channel, 6-2, a fan air inlet, 6-3, a fan air outlet, 6-4, an air inlet sealing ring, 6-5, soundproof cotton, 6-6, an air channel rear cover plate, 6-7, rear fan damping soft rubber, 6-8 and a fan pressing plate, 7. dust absorption mouth, 8, dust absorption passageway, 9, hall sensor, 10 mops, 11, filter, 12, navigation radar.
Detailed Description
For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.
In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.
It will be further understood that the terms "comprises," "comprising," "includes," "including," and/or "including," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Further, when a statement such as "… at least one" appears after the list of listed features, the entire listed feature is modified rather than modifying individual elements in the list.
Example 1:
as shown in fig. 1 to 3, the sweeping robot in this embodiment includes a housing, and a fan assembly, an air inlet structure, and an air outlet structure that are disposed inside the housing, where a face cover 1 is disposed on the housing, and the face cover 1 encapsulates internal parts of the sweeping robot in the housing and can prevent dust and water; the air inlet structure comprises a dust collection port 7 and a fan air inlet channel 6-1, the dust collection port 7 enables a dust collection part at the bottom of the shell to be communicated with the fan air inlet channel 6-1, a dust box 3 and a filter 11 are arranged in the fan air inlet channel 6-1, the dust box 3 is arranged in a space between the fan 6 and an air outlet 4-3 of the air channel, and an opening for the dust box 3 to enter and exit the fan air inlet channel 6-1 is formed in the side wall of the shell, so that the structure of the whole machine is compact, the dust box is convenient to mount or dismount and cannot interfere with other parts in the shell; the fan assembly comprises a fan 6, a damping and noise reduction assembly and an inner side wall, wherein the fan 6 is adjacent to the shell, a fan air inlet 6-2 and a fan air outlet 6-3 are respectively arranged at two ends of the fan 6, the fan air inlet 6-2 is communicated with a fan air inlet channel 6-1 to facilitate air inlet of the fan, an air inlet sealing ring 6-4 is arranged on the fan air inlet 6-2, the fan air outlet 6-3 is communicated with an air outlet structure, an air outlet sealing ring (not shown) is arranged at the fan air outlet 6-3, and the damping and noise reduction assembly comprises damping soft rubber (not shown) and soundproof cotton, the damping soft rubber is respectively arranged at the front end and the rear end; the air outlet structure comprises an upper cover 2, an air deflector 4-2 and an air duct air outlet 4-3 arranged on the side wall of the shell, the upper cover 2 is positioned below the face cover 1, an air outlet duct 4 is arranged on the upper cover 2, the fan 6 and the air duct air outlet 4-3 are respectively positioned on two sides of the shell, the air outlet duct 4 is positioned in a space between the fan 6 and two sides of the shell where the air duct air outlet 4-3 is positioned, and the fan 6 and the air duct air outlet 4-3 are communicated through the air outlet duct 4. An air outlet duct air inlet 4-1 is arranged at one end of the air outlet duct 4, the air outlet duct air inlet 4-1 is communicated with a fan air outlet 6-3, the other end of the air outlet duct 4 is communicated with an air duct air outlet 4-3 through an air deflector 4-2, an air duct cover plate (not shown) is further arranged on the air outlet duct 4, the air duct cover plate enables air flow in the air outlet duct 4 to be prevented from leaking into the shell to generate extra noise, an air outlet sealing ring is arranged between the air deflector 4-2 and the air duct air outlet 4-3, and air outlet noise reduction cotton is arranged on the side wall of the shell at a position corresponding to the air duct air. The upper cover 2 is also provided with a dust box limiting part 2-1, the dust box limiting part 2-1 is used for limiting the installation height of the dust box 3 in the air inlet channel 6-1 of the fan, and when the dust box 3 is installed in the air inlet channel 6-1 of the fan or taken out from the air inlet channel 6-1 of the fan, the dust box limiting part 2-1 can also guide the dust box 3, so that the dust box 3 and the upper cover 2 are prevented from colliding or being clamped.
The air outlet duct 4 is arranged on the upper cover 2, so that the arrangement of the air outlet duct 4 is not easy to interfere with the parts inside the shell, the structure is simplified, the size of the whole machine is further controlled, and the internal structure layout is convenient. The air outlet duct 4 in this embodiment is a straight duct, and two ends of the air outlet duct 4 are respectively adjacent to two opposite edges of the upper cover 2, so that the length of the air outlet duct 4 is long enough to reduce noise; the cross sectional areas of the two ends of the air outlet duct 4 are small, the cross sectional area of the middle part of the air outlet duct 4 is large, the pressure and the flow speed of the air flow received by the middle part of the air outlet duct 4 are small, the noise of the air flow generated in the air outlet duct is favorably reduced, the pressure and the flow speed of the air flow received by the two end parts of the air outlet duct 4 are large and the flow speed is fast, the average speed of the air flow passing through the air outlet duct cannot be greatly influenced, and the working efficiency of the sweeping robot is not influenced. The air outlet duct 4 may also be a curved duct, such as a circular arc-shaped duct with a certain radian or a wavy duct, which is also beneficial to extending the length of the duct to reduce noise.
The shell is also internally provided with a loudspeaker 5, the loudspeaker 5 is arranged adjacent to the fan 6, and the side wall of the shell is provided with a plurality of sound outlet holes 5-1 corresponding to the loudspeaker 5. The loudspeaker 5 can send out voice prompt according to the working state of the sweeping robot, so that the intelligence of the sweeping robot is improved.
When the sweeping robot in the embodiment works, the fan 6 operates, negative pressure is generated between an air inlet structure inside the sweeping robot and outside air, dust on the ground is sucked into the dust box 3 from the dust suction port 7 along with the air, the dust is retained in the dust box after being filtered by the filter 11, the clean air enters the fan air inlet channel 6-1 and is sucked into the fan 6 through the fan air inlet 6-2, then is discharged from the fan air outlet 6-3 and enters the long air outlet channel 4, and finally is discharged into the atmosphere from the air outlet channel 4-3 through the air deflector 4-2. The length of the air outlet duct 4 enables noise generated when air flows in the air outlet duct 4 to be very small, the noise reducing cotton at the air outlet can reduce noise generated when the air passes through the air outlet 4-3 of the air duct, and the fan 6 and the air outlet 4-3 of the air duct respectively correspond to two sides of the side wall of the shell, so that superposition and amplification of the noise are avoided. An air inlet sealing ring 6-4 arranged on the fan air inlet 6-2 and an air outlet sealing ring arranged on the fan air outlet 6-3 on the fan 6 can prevent the air sucked into the fan from leaking and generating noise in the shell. The shock attenuation flexible glue at both ends around fan 6 and the shock attenuation bubble cotton in the fan outside can cushion the vibrations of fan when operation, noise reduction.
Example 2:
as shown in fig. 4 to 5, the robot of sweeping the floor in this embodiment includes a housing, and a fan assembly, an air inlet structure, and an air outlet structure that are disposed inside the housing, and a navigation radar 10, where a face cover 1 is disposed on the housing, and the face cover 1 encapsulates internal parts of the robot of sweeping the floor in the housing, and can prevent dust and water. The air inlet structure comprises a dust suction port 7, a dust suction channel 8 and an air inlet channel 4-4 of the fan, the dust suction port 7 enables a dust suction part at the bottom of the shell to be communicated with the dust suction channel 8 inside the shell, a dust box (not shown) and a filter 11 are arranged in the dust suction channel 8, and the dust box enters and exits the dust suction channel 8 from the upper part of the shell. The fan assembly comprises a fan 6, the fan 6 is adjacent to the inner side wall of the shell, an air inlet and an air outlet are respectively arranged at two ends of the fan 6, sealing rings (not shown) are respectively arranged on the air inlet and the air outlet of the fan, the air inlet of the fan is communicated with the air inlet channel 4-4, and the air outlet of the fan is communicated with the air outlet structure. The air outlet structure comprises an air outlet duct 4-6, an air deflector 4-2 and an air duct air outlet 4-3 arranged on the side wall of the shell, one end of the air outlet duct 4-6 is communicated with an air outlet of the fan, the other end of the air outlet duct 4-6 is communicated with the air duct air outlet 4-3 through the air deflector 4-2, an air outlet sealing ring is arranged between the air deflector 4-2 and the air duct air outlet 4-3, and air outlet noise reduction cotton is arranged on the side wall of the shell at a position corresponding to the air duct air outlet 4-3. The sweeping robot in the embodiment further comprises a mop cloth 10, so that the sweeping robot can clean the floor while sucking dust on one side.
As shown in fig. 6, the air inlet duct 4-4 and the air outlet duct 4-6 form a double-layer duct which is overlapped, the fan 6 and the duct outlet 4-3 are respectively located at two sides of the housing, the double-layer duct is located in a space between the fan 6 and the two sides of the housing where the duct outlet 4-3 is located, the fan 6 and the duct outlet 4-3 are communicated through the air outlet duct 4-6, the navigation radar 10 is also arranged in a space between the fan 6 and the duct outlet 4-3, the double-layer duct is located in a space between the navigation radar 10 and the dust box, the whole structure is compact, and the dust box can not be disassembled or assembled to or disassembled from other parts inside the housing. The air inlet 4-4 of the air inlet duct is provided with an air inlet 4-9 of the air inlet duct, and the air inlet 4-9 of the air inlet duct enables the dust absorption channel 8 to be communicated with the air inlet duct 4-4. And a Hall sensor 9 is arranged on the double-layer air duct, and the Hall sensor 9 can detect whether the dust box is installed in place. An air inlet sealing ring 6-4 is also arranged between the air inlet duct 4-4 and the dust absorption channel 8.
As shown in fig. 7, the double-layer air duct is composed of an air inlet plastic plate 4-8, an air duct partition plate 4-5 and an air outlet plastic plate 4-7, wherein the air inlet air duct 4-4 is enclosed by the air inlet plastic plate 4-8 and the air duct partition plate 4-5, an air inlet sealing ring 6-4 is arranged on the air inlet plastic plate 4-8, an air outlet air duct 4-6 is enclosed by the air outlet plastic plate 4-7 and the air duct partition plate 4-5, and a hall sensor 9 is arranged on the air duct partition plate 4-5. The fan assembly further comprises a damping and noise reducing assembly, the damping and noise reducing assembly comprises front fan damping soft rubber (not shown) arranged at the front end of the fan 6, rear fan damping soft rubber 6-7 arranged at the rear end of the fan 6 and soundproof cotton 6-5 wrapped on the outer side of the fan 6, an air duct rear cover plate 6-6 and a fan pressing plate 6-8 are further arranged at the rear end of the fan 6, the fan pressing plate 6-8 is directly abutted and pressed against the rear end of the fan 6 to prevent the fan 6 from shifting due to overlarge vibration, the rear fan damping soft rubber 6-7 is adhered to the fan pressing plate 6-8 and is used for damping the fan 6, and air flow sucked into the fan can reversely flow to an air outlet of the fan due to collision with the air duct rear cover plate 6-6.
The shell is also internally provided with a loudspeaker 5, the loudspeaker 5 is arranged adjacent to the fan 6, and the side wall of the shell is provided with a plurality of sound outlet holes 5-1 corresponding to the loudspeaker 5. The loudspeaker 5 can send out voice prompt according to the working state of the sweeping robot, so that the intelligence of the sweeping robot is improved.
When the sweeping robot works, the fan 6 runs, negative pressure is generated between an air inlet structure inside the sweeping robot and outside air, dust on the ground is sucked into the dust suction channel 8 from the dust suction port 7 along with the air, the dust is retained in the dust box after being filtered by the filter 11, clean air enters the air inlet channel of the fan, namely enters the air inlet channel 4-4 through the air inlet channel 4-9, is sucked into the fan, then is reversely rotated to the air outlet of the fan through the air inlet channel rear cover plate 6-6, then enters the air outlet channel 4-6, and finally is discharged into the atmosphere from the air outlet channel 4-3 through the air deflector 4-2. Before air is sucked into the fan, the air firstly passes through the long air inlet duct 4-4, which is beneficial to the stability of negative pressure in the air inlet structure. The length of the air outlet duct 4-6 enables the noise generated when air flows in the air outlet duct to be very small, the fan 6 and the air outlet 4-3 of the air outlet duct respectively correspond to two sides of the side wall of the shell, so that superposition and amplification of noise are avoided, and the noise reducing cotton at the air outlet can also reduce the noise generated when the air passes through the air outlet 4-3 of the air outlet duct. The sealing rings arranged on the air inlet and the air outlet of the fan respectively can avoid the air sucked into the fan from leaking and generate noise in the shell. The front fan damping soft rubber at the front end of the fan 6, the rear fan damping soft rubber 6-7 at the rear end of the fan 6 and the soundproof cotton 6-5 outside the fan 6 can buffer the vibration of the fan during operation and reduce noise.
The above are merely specific examples of the present invention, and are not intended to limit the scope of the invention; it is intended that the following claims be interpreted as including all such alterations, modifications, and equivalents as fall within the true spirit and scope of the invention.
Claims (10)
1. The floor sweeping robot comprises a shell, a fan assembly arranged inside the shell, an air inlet structure and an air outlet structure, wherein the fan assembly comprises a fan (6), the air outlet structure comprises an air outlet duct and a duct air outlet (4-3), air is sucked from the air inlet structure, enters the air outlet structure through the fan (6) and is finally discharged from the duct air outlet (4-3), and the floor sweeping robot is characterized in that the fan (6) and the duct air outlet (4-3) are respectively positioned on two sides of the shell, the air outlet duct is positioned between the fan (6) and the duct air outlet (4-3), and the fan (6) is communicated with the duct air outlet (4-3) through the air outlet duct.
2. The sweeping robot according to claim 1, wherein the air outlet structure comprises an upper cover (2), the air outlet duct is arranged on the upper cover (2), one end of the air outlet duct is communicated with the air outlet of the fan (6), the other end of the air outlet duct is communicated with the air outlet (4-3) of the air duct, and the air outlet duct is one layer or a plurality of layers which are arranged in an up-and-down overlapping manner.
3. The sweeping robot according to claim 2, wherein the air intake structure comprises a dust suction port (7) and a fan air intake channel (6-1), the dust suction port (7) enables a dust suction part at the bottom of the housing to be communicated with the fan air intake channel (6-1), a filter (11) and a dust box (3) are arranged in the fan air intake channel (6-1), the fan air intake channel (6-1) is also communicated with an air inlet of the fan (6), the dust box (3) is arranged in a space between the fan (6) and an air duct air outlet (4-3), and an opening for the dust box (3) to enter and exit the fan air intake channel (6-1) is arranged on the housing.
4. The sweeping robot according to claim 1, wherein the air intake structure comprises a dust suction channel (8) and an air intake channel which are communicated with each other, the air intake channel is communicated with an air inlet of the fan (6), air is sucked from the dust suction channel (8), enters the fan (6) through the air intake channel, enters the air outlet structure, and is finally discharged from an air outlet (4-3) of the air channel.
5. The sweeping robot of claim 4, wherein the air inlet duct and the air outlet duct form a plurality of stacked ducts.
6. The sweeping robot according to claim 5, characterized in that the air inlet end of the fan (6) is further provided with an air duct rear cover plate (6-6), and the air duct rear cover plate (6-6) is used for enabling the air flow sucked into the fan to reversely flow to the air outlet of the fan.
7. The sweeping robot according to claim 5, characterized in that the housing is provided with a dust suction port (7), the dust suction port (7) enables a dust suction part at the bottom of the housing to be communicated with a dust suction channel (8) inside the housing, and a dust box and a filter (11) are arranged in the dust suction channel (8); the air inlet duct and the air outlet duct form a multilayer air duct which is overlapped and is adjacent to the dust box; the dust box and the filter (11) enter and exit the dust suction passage (8) from the upper part of the shell.
8. The sweeping robot according to claim 1, wherein an air deflector (4-2) is further disposed between the air outlet duct and the air outlet (4-3) of the air duct.
9. The sweeping robot according to claim 1, wherein the fan assembly further comprises a damping and noise reducing assembly, and the damping and noise reducing assembly comprises damping soft rubber arranged at the front end and the rear end of the fan and soundproof cotton wrapped outside the fan.
10. The sweeping robot of claim 1, wherein the air outlet duct is a straight duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990356.XA CN112168075A (en) | 2020-09-18 | 2020-09-18 | Floor sweeping robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990356.XA CN112168075A (en) | 2020-09-18 | 2020-09-18 | Floor sweeping robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112168075A true CN112168075A (en) | 2021-01-05 |
Family
ID=73956822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010990356.XA Pending CN112168075A (en) | 2020-09-18 | 2020-09-18 | Floor sweeping robot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112168075A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113876266A (en) * | 2021-01-09 | 2022-01-04 | 苏州简单有为科技有限公司 | Wet type cleaning device |
| CN114246513A (en) * | 2022-01-10 | 2022-03-29 | 珠海格力电器股份有限公司 | Cleaning robot |
-
2020
- 2020-09-18 CN CN202010990356.XA patent/CN112168075A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113876266A (en) * | 2021-01-09 | 2022-01-04 | 苏州简单有为科技有限公司 | Wet type cleaning device |
| CN114246513A (en) * | 2022-01-10 | 2022-03-29 | 珠海格力电器股份有限公司 | Cleaning robot |
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