CN114652209A

CN114652209A - A separation module and cleaning machine for cleaning machine

Info

Publication number: CN114652209A
Application number: CN202011534797.5A
Authority: CN
Inventors: 刘逸; 王强; 李德来; 韦明祥; 郭国良; 郑军妹
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2022-06-24
Anticipated expiration: 2040-12-23
Also published as: CN114652209B

Abstract

The invention relates to a separation module for a cleaning machine and the cleaning machine, wherein a housing is arranged in the separation module for the cleaning machine, a baffle is arranged in the housing and positioned on a flow path of a fluid, a spoiler is arranged on the baffle, the extending direction of the spoiler is crossed with the extending direction of the baffle, the baffle is arranged in the housing, the fluid can be blocked and rectified on the path of the fluid, the fluid impacting on the baffle can be disturbed by the spoiler arranged on the baffle, and the spoiler is provided with at least two spoiler units which can cut the detained fluid; the baffle plate and the turbulent flow body are matched, so that the flow is ensured to flow more smoothly in the process of dividing the flow, and the oblate design of the turbulent flow unit limits overlarge vortex of the flow passing through the turbulent flow unit and ensures that the flow is uniformly distributed.

Description

A separation module and cleaning machine for cleaning machine

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 sweeper, a mixture of dust mixed with water vapor on the bottom surface and the like is sucked into an inner cavity of the dust collector or the sweeper, and a separating device is usually adopted for separating the mixture of particulate matters and water vapor at present.

For example, chinese patent No. ZL201180061325.5 (publication No. CN103269630B) discloses a vacuum cleaner having a moving head that moves back and forth across a surface to be cleaned, the moving head having a front end and a rear end, wherein the moving head further has: a rotating brush disposed in a brush chamber at the forward end of the travelling 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 travelling head; a fan blade; a motor for driving the rotary brush and the fan blade; a removable dirt collection chamber spanning substantially the full width of the travelling head; a dust filter located between the dust collection chamber and the fan blades, the dust filter also spanning substantially the full width of the travelling head; and an airflow duct connecting the brush chamber and the dirt-collection chamber, the forward end of the airflow duct being substantially tangential to the rotatable brush, the airflow duct spanning substantially the full width of the travelling head throughout the entire length of the airflow duct. Realized the clearance of treating the cleaning surface in the above-mentioned patent, however, the dust that gets into in the dust collecting chamber only filters through the dust catcher, and its separation effect is poor to lead to the dust catcher to block up easily, influence separation efficiency, and need change the dust catcher constantly.

Therefore, there is a need for improvements to existing separation modules.

Disclosure of Invention

The first technical problem to be solved by the invention is to provide a separation module for a cleaning machine for rectifying and subdividing fluid in view of the current state of the prior art.

A second technical problem to be solved by the present invention is to provide a separation module for a cleaning machine, in which a flow guide angle of a flow guide plate is gradually increased to make a fluid flow more uniform, in view of the current state of the prior art.

The third technical problem to be solved by the present invention is to provide a cleaning machine in view of the current situation of the prior art.

The technical scheme adopted by the invention for solving the first technical problem is as follows: a separation module for a cleaning machine, comprising:

the shell is internally provided with a cavity, the front side of the shell is provided with an inlet, the rear side of the shell is provided with an outlet which is used for being communicated with a matched fan in a fluid mode, and the inlet and the outlet are both communicated with the cavity;

also includes:

the baffle is used for blocking the fluid and is arranged in the cavity and positioned on the flow path of the fluid;

the fluid disturbing body is arranged on the baffle, the extending direction of the fluid disturbing body is crossed with the extending direction of the baffle, the fluid disturbing body is provided with at least two fluid disturbing units, and the cross section of each fluid disturbing unit is oblate.

Preferably, the vortex unit is basically columnar, and the extending direction is perpendicular to the baffle, and the design of the flow guide unit can not influence the impact of fluid on the baffle due to the vertical design of the flow guide unit and the baffle on the one hand, and can reasonably guide the fluid after the fluid impacts the baffle and turns, so that the fluid is ensured not to be disordered again.

Preferably, the cross section of the turbulent flow unit is elliptical, and the relationship between the major axis a and the minor axis b of the ellipse satisfies:

and a/b>3；

Wherein 0.8< b <1.3, 1< c < 1.5.

In order to ensure that the fluid blocked by the baffle plate can flow to the outlet, the separation module further comprises a guide plate, the guide plate is arranged in the containing cavity and separates the containing cavity to form a first flow channel and a second flow channel which are distributed front and back, a space is reserved between the corresponding wall surfaces of the shell at the top of the guide plate, a mixing cavity for mixed flow is further formed, and the baffle plate is located in the first flow channel.

In order to prevent the baffle from completely blocking the flow path of the fluid, it is preferable that a gap is left between the baffle and the baffle through which the fluid passes, although it is also possible to use a form in which holes are opened in the baffle to guide the flow of the fluid, but this may destroy the integrity of the baffle.

In order to avoid interference of the flow of the fluid above the baffle, the upper portion of the baffle preferably has a flow guide portion penetrating in the flow direction of the first fluid medium, and the baffle extends upward from front to back and has a rear end opposite to the flow guide portion.

Specifically, the flow guide part is a hole group arranged at the upper end of the flow guide plate, and the hole group is provided with a plurality of through holes which penetrate through the wall thickness of the flow guide plate and are arranged at intervals.

In order to further solve the second technical problem, the invention adopts the following technical scheme: the guide plate comprises a first flow section, a second flow section, a third flow section and a fourth flow section which are sequentially connected from bottom to top, and a coordinate system is established by taking the starting end of the first flow section as the origin of coordinates, wherein the x axis passes through the origin of coordinates and is parallel to the bottom wall of the shell; the y axis passes through the origin of coordinates and is vertical to the bottom wall of the shell, and molded lines of longitudinal sections of the first flow section, the second flow section, the third flow section and the fourth flow section respectively and correspondingly satisfy the formulas (i), (ii), (iii) and (iv);

wherein:

wherein x is 0.26, h is the length of the shell, and the value range of h is as follows: 0.2 to 1.

The design of a plurality of flow sections of the guide plate ensures that the flow guiding trend of the whole baffle is gradually changed from gentle angle to steep angle, the slowly increased angle ensures that the airflow is quickly adapted to the state that the airflow enters the cavity from the horizontal direction and is changed into the upward flow state, the flow posture of the whole fluid is changed, and the fluid is in contact with the surface of the guide plate to the greatest extent; in addition, the structure can make the noise peak of multiphase flow become lower and narrower, the strength of the main peak of vortex shedding can be reduced, and the generation of harmonic wave can be inhibited.

In order to further solve the third technical problem, the invention adopts the following technical scheme: a cleaning machine comprises a separation module, a cleaning module and a fan, wherein the separation module is positioned between the cleaning module and the fan along an airflow flow path, an inlet of the separation module is communicated with an air outlet of the cleaning module in a fluid mode, and an outlet of the separation module is communicated with an air inlet of the fan in a fluid mode.

Preferably, the cleaning machine is a vacuum cleaner or sweeper.

Compared with the prior art, the invention has the advantages that: in the separation module for the cleaning machine, the baffle is arranged in the cavity, so that the fluid can be blocked and rectified on a fluid path, the fluid impacting on the baffle is disturbed by the spoiler arranged on the baffle, and the retained fluid can be cut by the at least two spoiler units arranged on the spoiler; the baffle plate and the turbulent flow body are matched, so that the fluid is integrated in the segmentation process, the smooth flowing is ensured, the oblate design of the turbulent flow unit limits overlarge vortex of the fluid when the fluid passes through the turbulent flow unit, and the uniform distribution of the fluid is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a module according to an embodiment of the present invention;

FIG. 2 is a sectional view showing the overall structure of a module according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in bitmap 2;

FIG. 4 is a schematic diagram of coordinate system establishment in an embodiment of the present invention;

fig. 5 is a schematic view of the overall structure of the cleaning machine according to the embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 5, which is a preferred embodiment of the present invention, in this embodiment, the separation module for a cleaning machine includes a housing 4, a baffle 42 and a flow disturbing body 43, wherein the housing 4 has a cavity 41 therein, the housing 4 has an inlet 400 at a front side thereof and an outlet 401 at a rear side thereof for fluid communication with an adapted blower, and both the inlet 400 and the outlet 401 are communicated with the cavity 41.

The baffle 42 is used for blocking the fluid, the baffle 42 is disposed in the cavity 41 and located on a flow path of the fluid, the spoiler 43 is disposed on the baffle 42, an extending direction of the spoiler is crossed with an extending direction of the baffle 42, the spoiler 43 has at least two spoiler units 431, and a cross section of each spoiler unit 431 is oblate. The design that the flow disturbance units 431 and the baffle 42 intersect with each other can avoid interference of each flow disturbance unit 431 on the baffle 42 when the baffle 42 blocks fluid, and in this embodiment, the flow disturbance units 431 are substantially columnar and extend in a direction perpendicular to the baffle 42.

In this embodiment, the cross section of the spoiler unit 431 is an ellipse, and a relationship between a major axis a and a minor axis b of the ellipse satisfies:

and a/b>3；

Wherein 0.8< b <1.3, 1< c < 1.5.

In order to ensure that the fluid blocked by the baffle 42 can flow to the outlet, the separation module further includes a baffle 44, the baffle 44 is disposed in the cavity 41 and separates the cavity 41 to form a first flow passage 411 and a second flow passage 412 which are distributed in front and back, a space is left between the top shell corresponding walls of the baffle 44, so as to form a mixing chamber 4b for mixing the flow, and the baffle 42 is located in the first flow passage 411. The baffle 42 and the guide 44 are separated by a gap 4a for the fluid to pass through, which prevents the baffle from completely blocking the flow path of the fluid. Specifically, the baffle 44 has a flow guide portion 421 penetrating in the first fluid medium flow direction at the upper portion thereof, and the baffle 42 extends upward from the front to the rear and has a rear end facing the flow guide portion 421. The flow guide portion 421 in this embodiment is a hole set opened at the upper end of the flow guide plate 44, and the hole set has a plurality of through holes 4211 penetrating the wall thickness of the flow guide plate 44 and arranged at intervals.

In this embodiment, the baffle 44 includes a first flow segment 441, a second flow segment 442, a third flow segment 443, and a fourth flow segment 444 sequentially connected from bottom to top, and a coordinate system is established with the start end of the first flow segment 441 as the origin of coordinates, wherein the x-axis passes through the origin of coordinates and is parallel to the bottom wall of the housing 4; the y-axis passes through the origin of coordinates and is perpendicular to the bottom wall of the shell 4, and the molded lines of the longitudinal sections of the first flow section 441, the second flow section 442, the third flow section 443 and the fourth flow section 444 respectively and correspondingly satisfy the formulas of (i), (ii), (iii) and (iv);

wherein:

wherein x is 0.26, h is the length of the shell 4, and the value range of h is: 0.2 to 1. The design of the plurality of flow sections of the guide plate 44 ensures that the flow guiding trend of the whole baffle plate 42 is gradually changed from gentle angle to steep angle, the slowly increased angle ensures that the airflow is quickly adapted to the state of changing from the horizontal entering cavity to the upward flowing state, the flowing posture of the whole fluid is changed, the fluid is in contact with the surface of the guide plate 44 to the maximum extent, in addition, the changing trend of the guide plate 44 is also favorable for enhancing the vortex flow and transferring to the downstream so as to reduce the flow loss, and the separation efficiency of the impacted flow section and the bottom of the shell 4 is sharply improved due to the existence of impact and vortex; in addition, such a structure can make the noise peak of the multiphase flow low and narrow, the intensity of the main peak of vortex shedding can be reduced, and the generation of harmonics can be suppressed.

The cleaning machine comprises the separation module 04, a cleaning module 01 and a fan 5, wherein the separation module 04 is positioned between the cleaning module and the fan 5 along an airflow flow path, an inlet 400 of the separation module 04 is in fluid communication with an air outlet of the cleaning module 01, and an outlet 401 of the separation module is in fluid communication with an air inlet of the fan 5. In this embodiment, the cleaning machine is a vacuum cleaner or a sweeper.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow from the first portion along a flow path or/and be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third member, such as a fluid channel, e.g., a pipe, a channel, a conduit, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow therethrough, or a combination thereof.

Also, directional terms, such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like, may be used in the description and claims to describe various example structural portions and elements of the invention, but are used herein for convenience of description only and are determined based on the example orientations shown in the figures. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite or coincident with the direction of gravity.

Claims

1. A separation module for a cleaning machine comprises

The air conditioner comprises a shell (4), wherein a cavity (41) is formed in the shell (4), an inlet (400) is formed in the front side of the shell (4), an outlet (401) used for being in fluid communication with an adaptive fan is formed in the rear side of the shell (4), and both the inlet (400) and the outlet (401) are communicated with the cavity (41);

it is characterized by also comprising:

a baffle (42) for blocking the fluid, arranged in the chamber (41) and located on the flow path of the fluid;

the turbulent flow body (43) is arranged on the baffle (42), the extending direction of the turbulent flow body is crossed with the extending direction of the baffle (42), the turbulent flow body (43) is provided with at least two turbulent flow units (431), and the cross section of each turbulent flow unit (431) is oblate.

2. The separation module of claim 1, wherein: the flow disturbing unit (431) is basically cylindrical, and the extending direction of the flow disturbing unit is perpendicular to the baffle (42).

3. The separation module of claim 2, wherein: the cross section of the turbulent flow unit (431) is elliptical, and the relationship between the major axis a and the minor axis b of the ellipse satisfies the following conditions:

and a/b>3；

Wherein 0.8< b <1.3, 1< c < 1.5.

4. The separation module of claim 1, wherein: the flow guide plate is characterized by further comprising a flow guide plate (44), the flow guide plate (44) is arranged in the containing cavity (41) and separates the containing cavity (41) to form a first flow channel (411) and a second flow channel (412) which are distributed front and back, a space is reserved between the corresponding wall surfaces of the shell (4) at the top of the flow guide plate (44), a mixing cavity (4b) for mixed flow is further formed, and the baffle (42) is located in the first flow channel (411).

5. The separation module of claim 4, wherein: a gap (4a) for the fluid to pass through is reserved between the baffle plate (42) and the guide plate (44).

6. The separation module of claim 5, wherein: the upper part of the guide plate (44) is provided with a guide part (421) which penetrates along the flowing direction of the first fluid medium, the baffle plate (42) extends upwards from front to back, and the rear end of the baffle plate is opposite to the guide part (421).

7. The separation module of claim 6, wherein: the flow guide part (421) is a hole group arranged at the upper end of the flow guide plate (44), and the hole group is provided with a plurality of through holes (4211) which penetrate through the wall thickness of the flow guide plate (44) and are arranged at intervals.

8. The separation module of claim 7, wherein: the guide plate (44) comprises a first flow section (441), a second flow section (442), a third flow section (443) and a fourth flow section (444) which are sequentially connected from bottom to top, a coordinate system is established by taking the starting end of the first flow section (441) as an origin of coordinates, and an x axis passes through the origin of coordinates and is parallel to the bottom wall of the shell (4); the y axis passes through the origin of coordinates and is vertical to the bottom wall of the shell (4), and molded lines of longitudinal sections of the first flow section (441), the second flow section (442), the third flow section (443) and the fourth flow section (444) respectively correspond to and satisfy the formulas (I), (II), (III) and (IV);

wherein:

wherein x is 0.26, h is the length of the shell (4), and the value range of h is as follows: 0.2 to 1.

9. A cleaning machine characterized by: comprising a separation module (04) according to any of the claims 1 to 8, further comprising a cleaning module (01) and a fan (5), the separation module (04) being located between the cleaning module and the fan (5) along the airflow flow path, and the inlet (400) of the separation module (04) being in fluid communication with the outlet of the cleaning module (01) and the outlet (401) of the separation module being in fluid communication with the inlet of the fan (5).

10. The cleaning machine of claim 9, wherein: the cleaning machine is a dust collector or a sweeper.