CN114652192B - Separation module for cleaning machine and cleaning machine - Google Patents
Separation module for cleaning machine and cleaning machine Download PDFInfo
- Publication number
- CN114652192B CN114652192B CN202011538394.8A CN202011538394A CN114652192B CN 114652192 B CN114652192 B CN 114652192B CN 202011538394 A CN202011538394 A CN 202011538394A CN 114652192 B CN114652192 B CN 114652192B
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- Prior art keywords
- flow
- separation module
- flow channel
- cleaning machine
- inlet
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Classifications
-
- 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
- A47L5/00—Structural features of suction cleaners
- A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
- A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
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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
-
- 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
-
- 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
- A47L11/4097—Means for exhaust-air diffusion; Exhaust-air treatment, e.g. air purification; Means for sound or vibration damping
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
-
- 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
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
Abstract
The invention relates to a separation module for a cleaning machine and the cleaning machine, wherein a cavity is arranged in a shell, a guide plate is arranged on a fluid flow path between an inlet and an outlet, the cavity is divided into a first flow passage and a second flow passage which are mutually crossed in the flow direction, the guide plate is used for dividing the cavity into the first flow passage and the second flow passage which are mutually crossed in the flow direction, and the guide plate is positioned on the wall surface of an area in the second flow passage, at least a part of the guide plate is sunken and forms a slow groove, so that the design of the slow groove avoids the defect caused by arranging a barrier on the fluid flow path of the conventional separation device, reduces the unsteady disturbance of the barrier to the fluid, thereby avoiding the problems of noise, vibration and the like, and eliminating the negative influence while realizing effective separation.
Description
Technical Field
The invention belongs to the field of household washing and cleaning, and particularly relates to a separation module for a cleaning machine and the cleaning machine.
Background
At present, a floor cleaning machine is a dust collector or a floor sweeping machine, wherein a dust mixture such as dust mixed with water vapor on the bottom surface is sucked into an inner cavity of the dust collector or the floor sweeping machine, and a separating device is generally adopted for separating the mixture of the particulate matters and the water vapor at present.
As disclosed in chinese patent application No. ZL201180061325.5 (grant publication No. CN 103269630B), a vacuum cleaner has a moving head which moves back and forth over a surface to be cleaned, the moving head having a front end and a rear end, the vacuum cleaner further comprising: a rotating brush disposed in a brush chamber at a front end of the moving head, the brush chamber having an opening through which a portion of the rotating brush protrudes, the opening and the rotating brush spanning substantially the full width of the moving head; a fan blade; a motor for driving the rotary brush and the fan blade; a removable dust collection chamber spanning substantially the full width of the moving head; a dust filter located between the dirt collection chamber and the fan blade, the dust filter also spanning substantially the full width of the travelling head; and an airflow duct connecting the brush chamber and the dust collection chamber, the airflow duct having a forward end substantially tangential to the rotatable brush, the airflow duct spanning substantially the full width of the moving head throughout the length of the airflow duct. The cleaning of the surface to be cleaned is realized in the above patent, however, the dust entering the dust collection chamber is filtered only by the dust filter, the separation effect is poor, the dust filter is easy to block, the separation efficiency is affected, the dust filter is required to be continuously replaced, and in addition, some products on the market are separated by arranging barriers on the fluid flow path, although the moving separation effect can be achieved, as the boundary layer fluid meets the barriers with raised wall surfaces, three-dimensional flow separation is usually carried out under the action of the reverse pressure gradient generated by the barriers, and a horseshoe vortex structure is formed, so that the root flow field of the front edge of the barriers is disturbed unstably, and the problems of noise, vibration and the like are generated.
Thus, improvements to existing separation modules are needed.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a separation module for a cleaning machine, in which a baffle is partially recessed in a fluid flow path to achieve separation, in view of the state of the art.
The second technical problem to be solved by the invention is to provide a separation module for a cleaning machine, which can carry out secondary separation on fluid after primary separation and has little influence on the fluid by the lower part of a flow blocking piece.
The third technical problem to be solved by the invention is to provide a cleaning machine aiming at the current state of the art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: the separating module for the cleaning machine comprises
The shell is internally provided with a containing cavity, the lower part of the front side of the shell is provided with an inlet which is opened forward, the rear side of the shell is provided with an outlet which is used for being in fluid communication with an adaptive fan and is opened upward, and the inlet and the outlet are both communicated with the containing cavity;
the method also comprises the following steps:
the guide plate is arranged on the fluid flow path between the inlet and the outlet, can divide the containing cavity into a first flow channel which extends vertically and a second flow channel which is positioned at the downstream of the first flow channel, and the flow direction of the second flow channel is intersected with the flow direction of the first flow channel;
the baffle plate is at least partially sunken and becomes a slow flow groove on the wall surface of the area in the second flow channel.
Specifically, the guide plate comprises a vertical plate and an extension plate formed by bending the top of the vertical plate backwards, the vertical plate is opposite to the inlet and forms the first flow passage with the front wall of the shell, the second flow passage is formed between the extension plate and the top wall of the shell, and the slow flow groove is formed in the upper surface of the extension plate.
In order to ensure that the slow flow section slowly flows the fluid, preferably, along the flow direction of the second flow channel, the extension plate is at least partially and downwardly arranged in a slanting manner to form a slow flow section, and the slow flow groove is arranged on the slow flow section, so that the slow flow section is obliquely designed, the slow flow groove can be maximally contacted with the fluid in the flow direction of the fluid, and the separation efficiency is improved.
Preferably, the wall surface at the rear side of the slow flow groove is a windward surface, and the windward surface has an arc-shaped structure with two ends bent forward.
The line type of the windward side satisfies the following relation:ay 4 +by 2 +cx=3.5, and a=2b- (c-b)/3;
wherein, the value range of b is 0.8-1.3, and the value range of c is 1-1.5. By adopting the design of the windward side, the air flow entering the slow flow groove is induced to form vortex with different dimensions due to the curling effect, and the vortex leaves the slow flow groove from two sides of the slow flow groove and is attached to the extension plate to move downstream, namely the vortex has the main effect of continuously taking low-speed air flow in the areas at two sides of the slow flow groove away from the plate surface of the extension plate, so that the separation efficiency of the area is enhanced.
In order to further enhance the separation effect, the slow flow grooves are arranged at intervals along the width direction of the guide plate, so that groove groups are formed, and at least two groove groups are arranged at intervals in the flow direction of the second flow passage.
In order to avoid incomplete separation, the separation module further comprises at least two groups of flow blocking structures which are arranged at intervals along the flow direction of the second flow channel, the flow blocking structures comprise at least two flow blocking pieces, and each flow blocking piece is arranged on the extension plate and is arranged at intervals along the width direction of the flow guide plate.
In order to further solve the second technical problem, the technical scheme adopted by the invention is as follows: the baffle piece is a convex column vertically arranged on the extension plate, and the outer diameter of the upper part of each convex column is gradually reduced from top to bottom, so that the design of the convex column enables the lower part of the convex column to have a relatively small contact area with fluid, and on the other hand, the outer diameter of the convex column at the upper part adjacent to the lower part is gradually reduced, the air pressure of the upper part can be increased, the air flow is restrained in the lower part area of the convex column, and the minimum resistance is ensured when the fluid flows.
In order to further solve the third technical problem, the technical scheme adopted by the invention is as follows: the utility model provides a cleaning machine, still includes cleaning module and fan including the separation module, along the air current flow path, the separation module is located between cleaning module and the fan, and the import of this separation module with cleaning module's air outlet fluid communication, separation module's export and the air intake fluid communication of fan.
Preferably, the cleaning machine is a dust collector or a sweeper.
Compared with the prior art, the invention has the advantages that: in the separation module for the cleaning machine, the flow guide plates separate the accommodating cavities to form the first flow channel and the second flow channel which are mutually intersected in the flow direction, and on the wall surface of the area of the second flow channel, the flow guide plates are at least partially sunken and form the slow flow grooves, so that the design of the slow flow grooves avoids the defects caused by the arrangement of the conventional separation device on the fluid flow path, reduces the unsteady disturbance of the barrier to the fluid, thereby avoiding the problems of noise, vibration and the like, and eliminating the negative influence while realizing effective separation, and is quite practical.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a separation module according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of a separation module according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A;
FIG. 4 is a cross-sectional view of the overall structure of the separation module at another angle in accordance with an embodiment of the present invention;
fig. 5 is a schematic view of the overall structure of a cleaning machine according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 5, which are preferred embodiments of the present invention, the separation module for a cleaning machine in this embodiment includes a housing 4 and a baffle 42. The housing 4 has a cavity 41 therein, a front side of the housing 4 has an inlet 400 with a front opening, a rear side of the housing 4 has an outlet 401 for fluid communication with an adaptive fan and an opening facing upwards, the inlet 400 and the outlet 401 are both in communication with the cavity 41, the baffle 42 is disposed on a fluid flow path between the inlet 400 and the outlet 401, and can partition the cavity 41 to form a first flow channel 411 extending vertically and a second flow channel 412 located downstream of the first flow channel 411, a flow direction of the second flow channel 412 is intersected with a flow direction of the first flow channel 411, and the baffle 42 in this embodiment is located on a wall surface of an area in the second flow channel 412, and is at least partially recessed and becomes a flow slowing groove 43.
In this embodiment, the baffle 42 includes a vertical plate 421 and an extension plate 422 formed by bending the top of the vertical plate 421 backward, the vertical plate 421 is opposite to the inlet 400 and forms a first flow channel 411 with the front wall of the housing 4, a second flow channel 412 is formed between the extension plate 422 and the top wall of the housing 4, and a plurality of flow slowing grooves 43 are formed on the upper surface of the extension plate 422, and in this embodiment, there are a plurality of flow slowing grooves 43 arranged at intervals along the width direction of the baffle 42 and forming groove groups, and in the flow direction of the second flow channel 412, there are at least two groove groups arranged at intervals. Specifically, along the flow direction of the second flow channel 412, the extending plate 422 is at least partially disposed obliquely downward to form a slow flow section 423, and the slow flow groove 43 is formed in the slow flow section 423. The wall surface at the rear side of the flow-retarding groove 43 in this embodiment is a windward surface 43a, and the windward surface 43a has an arc structure with two ends bent forward. Specifically, the line shape of the windward side 43a satisfies the following relationship: ay (ay) 4 +by 2 +cx=3.5, and a=2b- (c-b)/3;
wherein, the value range of b is 0.8-1.3, and the value range of c is 1-1.5. The design of the windward side 43a causes the airflow entering the slow flow groove 43 to form vortex with different dimensions due to the curling effect, and the vortex leaves the slow flow groove 43 from two sides of the slow flow groove 43 and is attached to the extension plate 422 to move downstream, namely, the vortex has the main effect of continuously taking the low-speed airflow in the areas at two sides of the slow flow groove 43 away from the plate surface of the extension plate 422, so that the separation efficiency of the area is enhanced.
In this embodiment, the separation module further includes at least two sets of flow blocking structures 44 arranged at intervals along the flow direction of the second flow channel 412, and the flow blocking structures 44 include at least two flow blocking members 441, where each flow blocking member 441 is disposed on the extension plate 422 and arranged at intervals along the width direction of the flow guiding plate 42. The flow blocking member 441 may be in different forms, in this embodiment, the flow blocking member 441 is a protruding column vertically disposed on the extension plate 422, and the outer diameter of the upper portion of each protruding column gradually decreases from top to bottom. The design of the convex column on the one hand enables the lower part of the convex column to have a relatively small contact area with fluid, on the other hand, the outer diameter of the convex column at the upper position adjacent to the lower part is gradually changed, the air pressure of the upper part can be increased, the air flow is restrained in the lower area of the convex column, and therefore the minimum resistance is ensured when the fluid flows.
The cleaning machine comprises the separation module 04, the cleaning module 01 and the fan 5, the separation module 04 is positioned between the cleaning module and the fan 5 along the airflow flowing path, the inlet 400 of the separation module 04 is in fluid communication with the air outlet of the cleaning module 01, and the outlet 401 of the separation module is in fluid communication with the air inlet of the fan 5. In this embodiment, the cleaning machine is a dust collector or a sweeper.
The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.
Furthermore, directional terms, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used in the description and claims of the present invention to describe various example structural parts and elements of the present invention, but are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the invention may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.
Claims (8)
1. A separation module for a cleaning machine comprises
A housing (4) having a cavity (41) therein, and a lower portion of a front side of the housing (4) having an inlet (400) opening forward, and a rear side having an outlet (401) for fluid communication with an adapted fan and opening upward, the inlet (400) and the outlet (401) both communicating with the cavity (41);
it is characterized in that the method also comprises the following steps:
a deflector (42) disposed on the fluid flow path between the inlet (400) and the outlet (401) and capable of dividing the chamber (41) into a first flow channel (411) extending vertically and a second flow channel (412) located downstream of the first flow channel (411), the flow direction of the second flow channel (412) intersecting the flow direction of the first flow channel (411);
at least partially recessing and forming a flow-retarding groove (43) on the wall surface of the area of the flow guide plate (42) in the second flow channel (412);
the guide plate (42) comprises a vertical plate (421) and an extension plate (422) formed by bending the top of the vertical plate (421) backwards, the vertical plate (421) is opposite to the inlet (400) and forms the first flow channel (411) with the front wall of the shell (4), the second flow channel (412) is formed between the extension plate (422) and the top wall of the shell (4), and the slow flow groove (43) is formed on the upper surface of the extension plate (422);
along the flow direction of the second flow channel (412), the extension plate (422) is at least partially arranged downwards in a tilting manner to form a slow flow section (423), and the slow flow groove (43) is formed in the slow flow section (423).
2. The separation module of claim 1, wherein: the wall surface at the rear side of the slow flow groove (43) is a windward surface (43 a), and the windward surface (43 a) is of an arc-shaped structure with two ends bent forward.
3. The separation module of claim 2, wherein: the line shape of the windward side (43 a) satisfies the following relationship: ay (ay) 4 +by 2 +cx=3.5, and a=2b- (c-b)/3;
wherein, the value range of b is 0.8-1.3, and the value range of c is 1-1.5.
4. A separation module according to claim 3, characterized in that: the slow flow grooves (43) are arranged at intervals along the width direction of the guide plate (42) so as to form groove groups, and at least two groove groups are arranged at intervals in the flow direction of the second flow passage (412).
5. The separation module of claim 4, wherein: the flow blocking structure (44) is arranged at intervals along the flow direction of the second flow channel (412), the flow blocking structure (44) comprises at least two flow blocking pieces (441), and each flow blocking piece (441) is arranged on the extension plate (422) and is arranged at intervals along the width direction of the flow guide plate (42).
6. The separation module of claim 5, wherein: the flow blocking piece (441) is a convex column vertically arranged on the extension plate (422), and the outer diameter of the upper part of each convex column gradually becomes smaller from top to bottom.
7. A cleaning machine, characterized in that: comprising a separation module (04) according to any one of claims 1 to 6, further comprising a cleaning module (01) and a fan (5), said separation module (04) being located between said cleaning module and the fan (5) along the airflow flow path, and an inlet (400) of the separation module (04) being in fluid communication with an outlet of said cleaning module (01), an outlet (401) of the separation module being in fluid communication with an inlet of the fan (5).
8. The cleaning machine of claim 7, wherein: the cleaner is a dust collector or a sweeper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011538394.8A CN114652192B (en) | 2020-12-23 | 2020-12-23 | Separation module for cleaning machine and cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011538394.8A CN114652192B (en) | 2020-12-23 | 2020-12-23 | Separation module for cleaning machine and cleaning machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114652192A CN114652192A (en) | 2022-06-24 |
| CN114652192B true CN114652192B (en) | 2023-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011538394.8A Active CN114652192B (en) | 2020-12-23 | 2020-12-23 | Separation module for cleaning machine and cleaning machine |
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| Country | Link |
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| CN (1) | CN114652192B (en) |
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| CN1198915A (en) * | 1997-05-09 | 1998-11-18 | 真空吸尘器公司 | Air and liquid separator for carpet extractor |
| EP2581017A1 (en) * | 2011-10-12 | 2013-04-17 | Black & Decker Inc. | A motor, fan and cyclonic seperation apparatus arrangement |
| CN208659155U (en) * | 2018-03-06 | 2019-03-29 | 江苏美的清洁电器股份有限公司 | Clean machine |
| CN112043204A (en) * | 2019-06-05 | 2020-12-08 | 江苏美的清洁电器股份有限公司 | Air treatment component and cleaning equipment with same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE19946564C2 (en) * | 1999-09-29 | 2003-11-20 | Aeg Hausgeraete Gmbh | Wet filter for a floor cleaning device |
| CN205411088U (en) * | 2015-07-28 | 2016-08-03 | 广州市俪阳机械设备有限公司 | Machine of sweeping floor of washing dust collector that sets up behind filter screen induced drafts |
| CN108750464B (en) * | 2018-06-01 | 2021-06-04 | 徐工集团工程机械有限公司 | Dustbin subassembly and road cleaning vehicle |
| CN209932583U (en) * | 2019-04-01 | 2020-01-14 | 青岛鑫港奥威特机械有限公司 | Environment-friendly dust remover |
| JP2020202893A (en) * | 2019-06-14 | 2020-12-24 | 日本電産株式会社 | Dust collection device, cleaner, and self-propelled cleaner |
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2020
- 2020-12-23 CN CN202011538394.8A patent/CN114652192B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1198915A (en) * | 1997-05-09 | 1998-11-18 | 真空吸尘器公司 | Air and liquid separator for carpet extractor |
| EP2581017A1 (en) * | 2011-10-12 | 2013-04-17 | Black & Decker Inc. | A motor, fan and cyclonic seperation apparatus arrangement |
| CN208659155U (en) * | 2018-03-06 | 2019-03-29 | 江苏美的清洁电器股份有限公司 | Clean machine |
| CN112043204A (en) * | 2019-06-05 | 2020-12-08 | 江苏美的清洁电器股份有限公司 | Air treatment component and cleaning equipment with same |
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| Publication number | Publication date |
|---|---|
| CN114652192A (en) | 2022-06-24 |
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