CN102293611A - Dust separating device - Google Patents
Dust separating device Download PDFInfo
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- CN102293611A CN102293611A CN2011102582569A CN201110258256A CN102293611A CN 102293611 A CN102293611 A CN 102293611A CN 2011102582569 A CN2011102582569 A CN 2011102582569A CN 201110258256 A CN201110258256 A CN 201110258256A CN 102293611 A CN102293611 A CN 102293611A
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Abstract
The invention relates to a dust separating device, which is provided with a dust separator, an air inlet part and an air outlet part, wherein the air inlet part comprises a first opening for airflow to inflow, and a second opening and a third opening which are positioned in the downstream of the first opening and; the third opening is positioned in a path of the airflow flowing from the first opening to the second opening; an included angle of 30 to 150 degrees is formed between the opening direction of the third opening and the opening direction of the first opening; the second opening is connected with the dust separator; and after the airflow inflows through the first opening, one part of airflow containing larger-particle dust passes through the second opening and enters the dust separator, and the other part of airflow containing smaller-particle dust passes through the third opening. By the air inlet part with the structure, before a path of dust-containing air enters the dust separating device, the air inlet part can separate the path of airflow into two paths of airflow with different qualities, so that airflow quantity entering the dust separator is reduced, and the separating efficiency of the dust separating device is improved.
Description
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Technical field
The present invention relates to a kind of dust-separating appliance that is used for vacuum cleaner.
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Background technology
At present, dust catcher is very extensive.As everyone knows, dust catcher all is by the separation of one-level dust separation unit at least, flows to promoting the circulation of qi solid two and is separated the dust in the dust-contained airflow is gentle.In the dust catcher that the dirt cup filters, especially the cup type dust catcher of multistage cyclone formula dirt, if the diameter of dirt cup disengagement chamber inner separator is done greatly, it is big that air outlet diameter in the separator also becomes relatively, the processing flow is big, pressure loss is also low, but tends to be subjected to the restriction in external form space, does not meet the production development direction; If do the diameter of disengagement chamber inner separator little, relatively the air outlet diameter in the separator also can correspondence diminish, unit interval handles flow and diminishes, cause dust to have little time to handle and be pulled away, influence separative efficiency, and air-out area is little, the piece-rate system pressure loss is also high, so in the cup type dust catcher of multistage cyclone formula dirt, be difficult to solve the problem of the dust separation efficient and the pressure loss, often improve dust separation efficient and but increased the pressure loss, for having reduced pressure loss, but reduced dust separation efficient, both are difficult to take into account and balance.
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Summary of the invention
At above problem, the purpose of this invention is to provide and a kind ofly can in advance dust-contained airflow be divided into the dust-separating appliance that different brackets separates.
In order to realize the foregoing invention purpose, the present invention adopts following technical scheme: a kind of dust-separating appliance, has dust separator, dust-contained airflow is introduced intake section in the described dust separator, air-flow after separating is drawn the portion of giving vent to anger of described dust separator, it is characterized in that: described intake section comprises first opening that air feed stream flows into, be positioned at second opening and the 3rd opening in the described first opening downstream, described second opening all is connected with a vacuum source with the 3rd opening, described the 3rd opening is positioned at air-flow and flows on the path of second opening from described first opening, the oral area direction of described the 3rd opening and the oral area direction of described first opening are 30 °～150 ° angle, and described second opening is communicated with described dust separator; After air-flow flows into from described first opening part; the bulky grain dust will be because effect of inertia will continue according to former flow direction mobile with a part of air-flow; then pass through from described second opening part; enter dust separator at last, the granule dust will pass through from described the 3rd opening part with another part air-flow.
In the technique scheme, described dust separator is a cyclone separating dust separator, comprise the cyclonic separation chamber, with air-flow introduce described cyclonic separation chamber air inlet, be positioned at bottom, described cyclonic separation chamber dust storage chamber, will separate the back air-flow and draw the gas outlet in described cyclonic separation chamber, described air inlet coincides with second opening or is communicated with, and described gas outlet is connected with described vacuum source.
In the technique scheme, can also be preferred, described the 3rd opening and described gas outlet all communicate with a downstream dust separator, enter this downstream dust separator from the air-flow of described the 3rd opening and gas outlet outflow, described downstream dust separator is cyclone separating dust separator or papery dust filter or sponge dust filter.
In the technique scheme, preferred, the oral area direction of described the 3rd opening and the oral area direction of described first opening are 90 angle.
In the technique scheme, preferably, described first opening has a plurality of, a plurality of described first openings distribute along a circumferencial direction, described second opening has a plurality of, a plurality of described second openings also distribute along a circumferencial direction, and the oral area of the oral area of a plurality of described first openings and a plurality of described second openings is on same horizontal plane, and described the 3rd opening is constituted or is made of the number oral area identical with described first number of openings by the opening of an annular.
In the technique scheme, preferred, described first opening part is provided with and has several first mesh walls along first through hole that circumferentially distributes, and several described first through holes constitute described first opening.
In the technique scheme, preferred, described second opening part is provided with and has several second mesh walls along second through hole that circumferentially distributes, and several described second through holes constitute described second opening.
In the technique scheme, preferred, the opening direction of described second opening is consistent with the opening direction of described first opening.
Enforcement by technique scheme, the present invention obtains following advantage: by the intake section of dust-separating appliance being arranged to as above second opening and the 3rd opening of structure, make air-flow after entering from first opening, oarse-grained dust is because inertia is bigger, can move along original route, separate thereby enter in the dust separator by second opening; Short grained dust is subjected to the effect from the pull of vacuum of the 3rd opening part again because inertia is less, with changing original movement locus, passes through from the 3rd exit.The inlet structure of this dust-separating appliance can be divided into dust-contained airflow two strands of different air-flows of dust-laden grain diameter in advance, then separates again, and this structure can reduce the pressure loss of dust separator, increases air flow rate in the disengagement chamber.The air-flow that contains less particle dust will be discharged from the 3rd gas outlet, contain the bigger air-flow of particle size and separate in second gas outlet inflow dust separator, and the gas ash content that has improved dust-separating appliance is from efficient.
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Description of drawings
Accompanying drawing 1 is the structural representation of the dust-separating appliance of embodiments of the invention 1;
Accompanying drawing 2 is the structural representation of the dust-separating appliance of embodiments of the invention 2;
Accompanying drawing 3 is the cross sectional representation of the peristome of dust-separating appliance of the present invention;
Accompanying drawing 4 is the schematic cross-section of the peristome of another dust-separating appliance of the present invention;
Accompanying drawing 5 is the schematic cross-section of the peristome of another dust-separating appliance of the present invention;
Accompanying drawing 6 is the stressed schematic diagram of the intake section place dust of dust-separating appliance of the present invention;
Wherein: 1, dividing plate; 100, dust-separating appliance; 101, first cylindrical shell; 102, second cylindrical shell; 103, first opening; 104, second opening; 105, the 3rd opening; 106, cyclonic separation chamber; 107, second dust storage chamber; 108, first dust storage chamber; 109, first exhaust passage; 110, second exhaust passage; 111, gas outlet; 200, dust-separating appliance; 201, first cylindrical shell; 202, second cylindrical shell; 203, first opening; 204, second opening; 205, the 3rd opening; 206, cyclonic separation chamber; 208, first dust storage chamber; 209, first exhaust passage; 210, second exhaust passage; 211, gas outlet.
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The specific embodiment
Embodiment 1:
A kind of cyclone separating dust-separating appliance 100 as shown in Figure 1, it comprises first cylindrical shell 101 that is positioned at the outside and is positioned at first cylindrical shell, 101 inboard second cylindrical shells 102, the inside of second cylindrical shell 102 forms cyclonic separation chamber 106, and the bottom in cyclonic separation chamber 106 constitutes first dust storage chamber 108.The top in cyclonic separation chamber 106 is provided with a gas outlet 111, and these gas outlet 111 correspondences first exhaust passage 109.The intake section of this dust-separating appliance 100 is arranged to have three openings, be specially: offer first opening 103 that air feed stream flows on first cylindrical shell 101, the inwall of second cylindrical shell 102 offers second opening 104 that faces first opening 103, and these two openings are positioned on the same horizontal plane and second opening 104 is positioned at the downstream of first opening 103.The opening direction that the horizontal pathways that air-flow flows to second opening 104 from first opening 103 are provided with the 3rd opening 105, the three openings 105 straight up, and is vertical substantially with the opening direction of first opening 103.Second opening 104 all communicates with a vacuum source with the 3rd opening 105, and what the 3rd opening 105 faced toward is second exhaust passage 110.The inner bottom part of first cylindrical shell 101 forms second dust storage chamber 107, and when air-flow flows to the process of second opening 104 from first opening 103, the very large dust of part particle directly drops into gravitate in second dust storage chamber 107.In addition, first dust storage chamber 108 and second dust storage chamber 107 communicate with each other, and this design can enlarge the ability (most dusts all can be fallen in first dust storage chamber 108 in the cyclone separator 100) that first dust storage chamber 108 of going to the bottom in cyclonic separation chamber 106 holds dust.
The dust-separating appliance of said structure is when work, and after air-flow flowed into from first opening 103, the very large dust of part particle directly dropped into gravitate in second dust storage chamber 107.The a part of air-flow that contains the larger particles dust passes through from second opening 104 owing to inertia; carry out cyclonic separation after then entering cyclonic separation chamber 106; dust drops in first dust storage chamber 108, and comparatively clean air-flow 111 passes through from the gas outlet after the separation, flows out from first exhaust passage 109 at last.Another part air-flow that contains less particle dust passes through from the 3rd opening 105, then directly flows out from second exhaust passage 110.
Usually, the 3rd opening 105 also is equipped with a downstream dust separation unit with the downstream of gas outlet 111, this downstream dust separation unit can be with its dust-contained airflow in the filter that is complementary of particle size grade.Also can be that the 3rd opening 105 and gas outlet 111 are communicated in this downstream dust separator at the downstream dust separator in the 3rd opening 105 and 111 downstreams, gas outlet.The air-flow that flows out from the 3rd opening 105 and gas outlet 111 can enter this downstream dust separation unit and further separate like this.
Embodiment 2:
This embodiment 2 is similar with the above embodiments 1 structure, as shown in Figure 2, this dust-separating appliance 200 also is a kind of cyclone separating dust-separating appliance, it comprises first cylindrical shell 201 that is positioned at the outside and is positioned at first cylindrical shell, 201 inboard second cylindrical shells 202, the inside of second cylindrical shell 202 forms cyclonic separation chamber 206, and the bottom in cyclonic separation chamber 206 constitutes first dust storage chamber 208.The top in cyclonic separation chamber 206 is provided with a gas outlet 211, and these gas outlet 211 correspondences first exhaust passage 209.The intake section of this dust-separating appliance 200 is arranged to have three openings, be specially: offer first opening 203 that air feed stream flows on first cylindrical shell 201, the inwall of second cylindrical shell 202 offers second opening 204 that faces first opening 203, and these two openings are positioned on the same horizontal plane and second opening 204 is positioned at the downstream of first opening 203.The opening direction that the horizontal pathways that air-flow flows to second opening 204 from first opening 203 are provided with the 3rd opening 205, the three openings 205 straight up, and is vertical substantially with the opening direction of first opening 203.Second opening 204 all communicates with a vacuum source with the 3rd opening 205, and what the 3rd opening 205 faced toward is second exhaust passage 210.
The dust-separating appliance of said structure is when work; after air-flow flows into from first opening 203; the a part of air-flow that contains the larger particles dust passes through from second opening 204 owing to inertia; carry out cyclonic separation after then entering cyclonic separation chamber 206; dust drops in first dust storage chamber 208; comparatively clean air-flow 211 passes through from the gas outlet after the separation, flows out from first exhaust passage 209 at last.Another part air-flow that contains less particle dust passes through from the 3rd opening 205, then directly flows out from second exhaust passage 210.
Usually, the 3rd opening 205 also is equipped with a downstream dust separation unit with the downstream of gas outlet 211, this downstream dust separation unit can be with its dust-contained airflow in the filter that is complementary of particle size grade.Also can be that the 3rd opening 205 and gas outlet 211 are communicated in this downstream dust separator at the downstream dust separator in the 3rd opening 205 and 211 downstreams, gas outlet.The air-flow that flows out from the 3rd opening 205 and gas outlet 211 can enter this downstream dust separation unit and further separate like this.
In the foregoing description, first opening also can be arranged to have a plurality of structures, these a plurality of first openings distribute along a circumferencial direction, the number of second opening is identical with the number of first opening, and the oral area of each first opening faces with the oral area of corresponding second opening, and the 3rd opening is constituted or is made of the number oral area identical with first number of openings by the opening of an annular.What show among this figure as shown in Figure 3, is the 3rd opening is divided into four oral areas along circumferencial direction by dividing plate 1 structure.What accompanying drawing 4 was showed is the structure that first opening has a plurality of oral areas.In addition, also can be provided with the first mesh wall that has several first through holes at first opening part, several first through holes constitute described first opening, and this structure is referring to accompanying drawing 5.Certainly, also can be provided with the second mesh wall that has several second through holes at second opening part, several second through holes constitute described second opening.
The operation principle of above-mentioned intake section as shown in Figure 6, in the dust-contained airflow, each dust all is subjected to the effect of four active forces, i.e. gravity G, the second suction F2 that the first suction F1 of the second opening horizontal direction, the 3rd opening make progress, inertia force F3.Because the upright big or small F3=ma(a of inertia is the current acceleration of dust; m is the dust quality); the dust-contained airflow that flows into from first opening like this; the direction of closing as its F that makes a concerted effort that receives and vertical direction be less than 45 spend angle (the angle r among the figure) time, this dust will be with passing through from the 3rd opening part to air-flow that its stressed similar part contains the granule dust.The direction of closing as its F that makes a concerted effort that receives and horizontal direction be less than 45 spend angle the time, this dust will be with passing through from second opening part to air-flow that its stressed similar part contains the bulky grain dust.
Has said structure intake section dust-separating appliance, before one ash-laden gas enters in the dust separator, intake section can be divided into one air-flow two bursts of different qualities (the dust-laden granular size differ'ss) air-flow, thereby reduce to enter the throughput in the dust separator, make that the separative efficiency in the dust separator is improved.Thereby dust-separating appliance of the present invention can be when not reducing separative efficiency, and enlargement discharge reduces the system pressure loss, improves the effective power of machine.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (8)
1. dust-separating appliance, has dust separator, dust-contained airflow is introduced intake section in the described dust separator, air-flow after separating is drawn the portion of giving vent to anger of described dust separator, it is characterized in that: described intake section comprises first opening that air feed stream flows into, be positioned at second opening and the 3rd opening in the described first opening downstream, described second opening all is connected with a vacuum source with the 3rd opening, described the 3rd opening is positioned at air-flow and flows on the path of second opening from described first opening, the oral area direction of described the 3rd opening and the oral area direction of described first opening are 30 °～150 ° angle, and described second opening is communicated with described dust separator; After air-flow flowed into from described first opening part, the bulky grain dust then passed through from described second opening part because effect of inertia will continue to flow according to former flow direction with a part of air-flow, enters described dust separator at last; The granule dust will pass through from described the 3rd opening part with another part air-flow.
2. dust-separating appliance according to claim 1, it is characterized in that: described dust separator is a cyclone separating dust separator, comprise the cyclonic separation chamber, with air-flow introduce described cyclonic separation chamber air inlet, be positioned at bottom, described cyclonic separation chamber dust storage chamber, will separate the back air-flow and draw the gas outlet in described cyclonic separation chamber, described air inlet coincides with second opening or is communicated with, and described gas outlet is connected with described vacuum source.
3. dust-separating appliance according to claim 2, it is characterized in that: described the 3rd opening and described gas outlet all are connected with a downstream dust separator, enter this downstream dust separator from the air-flow of described the 3rd opening and gas outlet outflow, described downstream dust separator is cyclone separating dust separator or papery dust filter or sponge dust filter.
4. dust-separating appliance according to claim 1 is characterized in that: the oral area direction of described the 3rd opening and the oral area direction of described first opening are 90 angle.
5. dust-separating appliance according to claim 1, it is characterized in that: described first opening has a plurality of, a plurality of described first openings distribute along a circumferencial direction, described second opening has a plurality of, a plurality of described second openings also distribute along a circumferencial direction, the oral area of the oral area of a plurality of described first openings and a plurality of described second openings is on same horizontal plane, and described the 3rd opening is constituted or is made of the number oral area identical with described first number of openings by the opening of an annular.
6. dust-separating appliance according to claim 1 is characterized in that: described first opening part is provided with and has several first mesh walls along first through hole that circumferentially distributes, and several described first through holes constitute described first opening.
7. dust-separating appliance according to claim 1 is characterized in that: described second opening part is provided with and has several second mesh walls along second through hole that circumferentially distributes, and several described second through holes constitute described second opening.
8. dust-separating appliance according to claim 1 is characterized in that: the opening direction of described second opening is consistent with the opening direction of described first opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110258256 CN102293611B (en) | 2011-09-02 | 2011-09-02 | Dust separating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110258256 CN102293611B (en) | 2011-09-02 | 2011-09-02 | Dust separating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102293611A true CN102293611A (en) | 2011-12-28 |
| CN102293611B CN102293611B (en) | 2013-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110258256 Expired - Fee Related CN102293611B (en) | 2011-09-02 | 2011-09-02 | Dust separating device |
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| Country | Link |
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| CN (1) | CN102293611B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4317664A (en) * | 1980-09-22 | 1982-03-02 | Ciummo Victor L | Vacuum cleaner attachment |
| DE8630036U1 (en) * | 1986-11-10 | 1988-02-25 | Siemens AG, 1000 Berlin und 8000 München | Cleaning facility |
| JP2004321777A (en) * | 2003-04-28 | 2004-11-18 | Samsung Kwangju Electronics Co Ltd | Cyclone dust collecting device for vacuum cleaner |
| CN2855293Y (en) * | 2005-07-29 | 2007-01-10 | 卞庄 | Ash separator |
| CN101049221A (en) * | 2007-04-29 | 2007-10-10 | 泰怡凯电器(苏州)有限公司 | Cyclone system for vacuum cleaner to use |
| CN102211652A (en) * | 2011-05-05 | 2011-10-12 | 江苏熔盛重工有限公司 | Mobile block |
| CN202211652U (en) * | 2011-09-02 | 2012-05-09 | 江苏美的春花电器股份有限公司 | Dust separating device |
-
2011
- 2011-09-02 CN CN 201110258256 patent/CN102293611B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4317664A (en) * | 1980-09-22 | 1982-03-02 | Ciummo Victor L | Vacuum cleaner attachment |
| DE8630036U1 (en) * | 1986-11-10 | 1988-02-25 | Siemens AG, 1000 Berlin und 8000 München | Cleaning facility |
| JP2004321777A (en) * | 2003-04-28 | 2004-11-18 | Samsung Kwangju Electronics Co Ltd | Cyclone dust collecting device for vacuum cleaner |
| CN2855293Y (en) * | 2005-07-29 | 2007-01-10 | 卞庄 | Ash separator |
| CN101049221A (en) * | 2007-04-29 | 2007-10-10 | 泰怡凯电器(苏州)有限公司 | Cyclone system for vacuum cleaner to use |
| CN102211652A (en) * | 2011-05-05 | 2011-10-12 | 江苏熔盛重工有限公司 | Mobile block |
| CN202211652U (en) * | 2011-09-02 | 2012-05-09 | 江苏美的春花电器股份有限公司 | Dust separating device |
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| Publication number | Publication date |
|---|---|
| CN102293611B (en) | 2013-10-02 |
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Address after: No. 39 Cao Hu road Xiangcheng Economic Development Zone in Suzhou City, Jiangsu province 215000 Patentee after: JIANGSU MIDEA CLEANING ELECTRICAL APPLIANCE CO., LTD. Address before: River Road, Suzhou City, Jiangsu Province, Li Xiangcheng District No. 999 215131 Patentee before: Jiangsu Midea Chunhua Electric Appliance Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131002 Termination date: 20200902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |