CN105928029A - Multi-flow-directional filtering device used for range hood - Google Patents
Multi-flow-directional filtering device used for range hood Download PDFInfo
- Publication number
- CN105928029A CN105928029A CN201610496650.9A CN201610496650A CN105928029A CN 105928029 A CN105928029 A CN 105928029A CN 201610496650 A CN201610496650 A CN 201610496650A CN 105928029 A CN105928029 A CN 105928029A
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- China
- Prior art keywords
- filter element
- breach
- flow
- range hood
- defecator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention provides a multi-flow-directional filtering device used for a range hood. A lower filtering layer comprises a plurality of lower filtering units which are arranged side by side at intervals in a left and right direction. An upper filtering layer comprises a plurality of upper filtering units which are arranged side by side at intervals in the left and right direction. The lower filtering units and the upper filtering units are arranged in a manner of being oppositely buckled with each other. The multi-flow-directional filtering device is characterized in that the bottoms of the lower filtering units are closed, the two sides of the lower filtering units are provided with first extension walls extending upwards from the bottoms, first notches arranged at intervals in a front and rear direction are formed in the first extension walls, the tops of the upper filtering units are closed, the two sides of the upper filtering units are provided with second extension walls extending downwards from the tops, and second notches arranged at intervals in the front and rear direction are formed in the second extension walls. The multi-flow-directional filtering device has the advantages that after passing the first notches and the second notches, which are arranged on the two side walls of the lower filtering units and the upper filtering units, soot can be turned and collided for multiple times when flows across the filtering device, so that the multi-channel multi-flow-directional filtering of the soot is realized, and the soot filtering effect is effectively improved.
Description
Technical field
The present invention relates to a kind of defecator, especially relate to a kind of flow to defecator for range hood more.
Background technology
Can suck substantial amounts of oil smoke during range hood work, the oil smoke of suction easily causes accumulation to form greasy dirt in air channel,
Greasy dirt not only can corrosion pipeline, shorten the life-span of range hood, but also the operation and maintenance cost of range hood can be improved,
Therefore, being fitted with the drainage screen for filtering oil smoke in existing range hood, different filter screen structures can
To produce different filtering oil smoke effects.Existing most of drainage screen is all single layer structure, has on drainage screen body
Filtering holes, this filter screen structure is relatively simple, and filter effect is relatively poor.In order to improve filter effect, it has been proposed that
The follow-on filter screen structures of various differences, such as Application No. 201410612221.4, (application publication number is CN
104289049 A) " drainage screen and range hood " disclosed in Chinese invention patent application, this drainage screen includes outer whole
Fluid layer and inner filtration layer, outer rectification layer offers the first via, is provided with multiple cowling panel be arrangeding in parallel in the first via,
Inner filtration layer is positioned at the inner side of outer rectification layer, and inner filtration layer is provided with multiple filter mesh.This drainage screen is by the most whole
Fluid layer is provided with multiple cowling panel be arrangeding in parallel, it is possible to externally the air-flow of rectification layer effectively separates rectification and guiding,
Reduce the turbulent flow in air-flow and sinuous flow, form smooth-going air-flow, and enter in the body of range hood, effectively prevent body
Internal turbulent flow and the sinuous flow of producing, and because of former noises etc. thus resulted in such as the collisions between turbulent flow and sinuous flow and body inwall
Problem.It addition, this drainage screen is by arranging multiple filter mesh on inner filtration layer, serve good filter cigarette effect.
Although, this drainage screen can improve filter effect by arranging outer rectification layer and inner filtration layer, but, with existing filtration
Netting similar, after using this drainage screen, when air-flow flows through in the passage within drainage screen, break-in number of times is few, and oil smoke is logical
In road, collision is abundant not, and filter effect need to improve further.
Summary of the invention
The technical problem to be solved is for above-mentioned prior art present situation, it is provided that one can effectively promote oil smoke mistake
Filter effect flow to defecator for range hood more.
The present invention solves the technical scheme that above-mentioned technical problem used: what this was used for range hood flows to defecator more
Including lower filter course and upper filter course, described lower filter course includes the lower filter element that multiple left and right spacing side by side is arranged, phase
The adjacent gap between two lower filter elements is oil smoke flow entrance, and described upper filter course includes multiple left and right spacing side by side cloth
The upper filter element put, the gap between the upper filter element of adjacent two is oil smoke flow outlet, described lower filter element
Left-hand thread mutual with upper filter element is arranged, it is characterised in that: the bottom lock of described lower filter element, lower filter element
Both sides have from bottom up extend the first wall extension, described first wall extension has along fore-and-aft direction be spaced
The first breach arranged, the top seal of described upper filter element, the both sides of upper filter element have prolongs from top down
The second wall extension stretched, has along spaced second breach of fore-and-aft direction on described second wall extension.
In order to make oil smoke produce repeatedly break-in, collision in defecator, the first described breach and the second breach are the most wrong
Open distribution.First breach and the second breach can be in staggered distribution completely, it is also possible to part is in staggered distribution.
Preferably, two adjacent first wall extensions in two adjacent lower filter elements extend upwardly into same upper filter element
Inside, two adjacent second wall extensions in two adjacent upper filter elements extend downwardly into same lower filter element
Portion.
In order to enable oil smoke flow smooth flow when the defecator, stay between the first adjacent wall extension and the second wall extension
Have gap, between the first described wall extension and the top of upper filter element, leave gap, the second described wall extension with under
Gap is left between the bottom of filter element.
Further preferably, described lower filter element and upper filter element the most at least three.
Lower filter element and upper filter element can have various structures, it is preferable that described lower filter element and upper filtration list
Unit is vertical bar shape, and cross section is U-shaped or is trapezoidal.
Can have multiple position relationship between first breach and the second breach, a kind of preferred version is, the first described breach
Stagger the most completely with the second breach.After first breach and the second breach stagger completely, oil smoke is at defecator
The angle of interior break-in is bigger, is more conducive to improve filter effect.
Another kind of preferred version is, the first described breach and the second breach part in the longitudinal direction staggers.
First breach and the second breach can have various shape, it is preferable that the notch geometry of described first breach is that arc lacks
One of which shape in mouth, rectangular indentation, vee and trapeze cut, the notch geometry of described second breach is
One of which shape in arc notch, rectangular indentation, vee and trapeze cut.Certainly, best scheme is also
It is that the first breach and the second breach use the size of identical notch geometry and breach identical.
Compared with prior art, it is an advantage of the current invention that: this lower filter course flowing to defecator and upper filter course divide more
It is not provided with lower filter element and upper filter element that multiple left and right spacing side by side is arranged, lower filter element and upper filter element
Mutually left-hand thread is arranged, and has the first breach on the two side of lower filter element, opens on the two side of upper filter element
Have the second breach, after the first breach and the second breach are set, oil smoke flow through this filter device can produce repeatedly break-in,
Collision, it is achieved thereby that flow to of the multichannel of oil smoke is filtered more, is effectively improved filtering oil smoke effect.
Accompanying drawing explanation
Fig. 1 is the structural representation that application has the range hood of the present invention；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is that the B-B of Fig. 2 is to sectional view；
Fig. 4 is the structural representation of the embodiment of the present invention one；
Fig. 5 is the perspective exploded view of Fig. 4；
Fig. 6 is the structure sectional view of the embodiment of the present invention one；
Fig. 7 is the partial sectional view of the embodiment of the present invention one；
Structure sectional view when Fig. 8 is the first breach of the embodiment of the present invention one and the second breach staggers completely；
Structure sectional view when Fig. 9 is the first breach of the embodiment of the present invention one and the second barbed portion staggers；
Figure 10 is the structural representation of the filter element of the embodiment of the present invention one；
Figure 11 is the structural representation of the filter element of the embodiment of the present invention two；
Figure 12 is the structural representation of the filter element of the embodiment of the present invention three；
Figure 13 is the structural representation of the filter element of the embodiment of the present invention four.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment one:
As shown in Figures 1 to 8, the defecator that flows to for range hood in the present embodiment includes lower filter course 1 more
With upper filter course 2, as it is shown in figure 1, this defecator is horizontally arranged on the exhaust fume collecting hood 5 of range hood, below to scheme
In 4, in arrow C and Fig. 6, direction shown in arrow D is that forward direction is described.
In the present embodiment, lower filter course 1 includes the lower filter element 11 that multiple left and right spacing side by side is arranged, adjacent two
Gap between lower filter element 11 is oil smoke flow entrance 3.It is upper that upper filter course 2 includes that multiple left and right spacing side by side is arranged
Filter element 21, the gap between the upper filter element 21 of adjacent two is oil smoke flow outlet 4.Lower filter element 11 with
The upper mutual left-hand thread of filter element 21 is arranged, and is formed and can make oil smoke between lower filter element 11 and upper filter element 21
Producing break-in, the break-in passage of collision when flowing through, so, oil smoke produces break-in, collision after oil smoke flow entrance 3 flows into
After from oil smoke flow outlet 4 outflow, be beneficial to improve filter effect.
Lower filter element 11 in the present embodiment and upper filter element 21 is vertical bar shape and cross section is U-shaped.Lower mistake
The bottom lock of filter unit 11, the both sides of lower filter element 11 have the first wall extension 111 extended from bottom up,
Having along spaced first breach 112 of fore-and-aft direction on the first wall extension 111, correspondingly, two adjacent
Self-assembling formation the first projection 113 between first breach 112.The top seal of upper filter element 21, upper filter element 21
Both sides have from top down extend the second wall extension 211, the second wall extension 211 has along fore-and-aft direction
Spaced second breach 212, correspondingly, self-assembling formation the second projection 213 between two the second adjacent breach 212.
When lower filter element 11 is with upper filter element 21 mutual left-hand thread, two in two adjacent lower filter elements 11 adjacent
First wall extension 111 extends upwardly into the inside to same upper filter element 21, two in two adjacent upper filter elements 21
Individual adjacent second wall extension 211 extends downwardly into the inside to same lower filter element 11.
In the present embodiment, as shown in Fig. 6, Fig. 7 and Figure 10, the first breach 112 of lower filter element 11 and upper filtration
Second breach 212 of unit 21 is arc notch and size is identical, and the first breach 112 and the second breach 212 exist
Mutually being in staggered distribution completely on fore-and-aft direction, the i.e. first breach 112 is the most just to the second projection 213, the second breach 212
The most just to the first projection 113.So, just can form break-in between lower filter element 11 and upper filter element 21 to lead to
Road, makes oil smoke flow through successively and can produce break-in, collision when flowing through the first breach 112 and the second breach 212.It addition, be
Make oil smoke flow through more smoothly, between adjacent the first wall extension 111 and the second wall extension 211, leave gap, first
Gap is left, the second wall extension 211 and lower filter element 11 between the top of wall extension 111 and upper filter element 21
Leaving gap between Di Bu, oil smoke can be circulated smoothly by above-mentioned gap.
As it is shown in figure 9, the first breach 112 can also partly stagger with the second breach 212.
During range hood work, first, oil smoke, after the oil smoke flow entrance 3 of this defecator enters, collides filtration
The inner top surface of unit 21 and produce primary sorption at inner top surface；Then, oil smoke not to be adsorbed is by lower filter element 11
The first breach 112 after with just the second projection 213 of the first breach 112 being collided of upper filter element 21 and
The surface of two projections 213 produces second adsorption；Finally, oil smoke not to be adsorbed is a part of and lower filter element 11 interior
Bottom surface collides and again produces absorption, and another part is by flowing out from oil smoke flow outlet 4 after the second breach 212.So,
Oil smoke creates multiple impacts absorption during oil smoke flow entrance 3 flows to oil smoke flow outlet 4 flow through, and have passed through many
Secondary break-in so that filtering oil smoke effect is greatly improved.
Embodiment two:
As shown in figure 11, first breach and the of upper filter element of the lower filter element of the defecator in the present embodiment
Two breach use rectangular indentation a, and remaining structure and working principle is identical with embodiment one, the most reinflated at this retouch
State.
Embodiment three:
As shown in figure 12, first breach and the of upper filter element of the lower filter element of the defecator in the present embodiment
Two breach use vee b, and remaining structure and working principle is identical with embodiment one, the most reinflated at this
Describe.
Embodiment four:
As shown in figure 13, first breach and the of upper filter element of the lower filter element of the defecator in the present embodiment
Two breach use trapeze cut c, and remaining structure and working principle is identical with embodiment one, the most reinflated at this retouch
State.
The foregoing is only the preferred embodiment of the present invention, it is noted that for those of ordinary skills,
Without departing under the principle premise of the present invention, the present invention can be carried out multiple remodeling or improvement, than following filter element
First breach can use difform breach, again than following filter element and upper mistake with the second breach of upper filter element
The cross section of filter unit can also be trapezoidal or triangle or other suitable shapes, and these are regarded as the present invention's
Within protection domain.
Claims (7)
1. flow to a defecator for range hood more, including lower filter course (1) and upper filter course (2), described under
Filter course (1) includes the lower filter element (11) that multiple left and right spacing side by side is arranged, two adjacent lower filter elements (11) it
Between gap be oil smoke flow entrance (3), described upper filter course (2) includes the upper filter element that multiple left and right spacing side by side is arranged
(21), the gap between the upper filter element (21) of adjacent two is that oil smoke flow exports (4), described lower filter element (11)
Arrange with upper filter element (21) mutually left-hand thread, it is characterised in that: the bottom lock of described lower filter element (11), lower mistake
The both sides of filter unit (11) have the first wall extension (111) extended from bottom up, open on described first wall extension (111)
Have along spaced first breach of fore-and-aft direction (112), the top seal of described upper filter element (21), upper filtration
The both sides of unit (21) have the second wall extension (211) extended from top down, have on described second wall extension (211)
Along spaced second breach of fore-and-aft direction (212).
The most according to claim 1 flow to defecator for range hood more, it is characterised in that: described
First breach (112) is mutually in staggered distribution with the second breach (212).
The most according to claim 1 flow to defecator for range hood more, it is characterised in that: two is adjacent
It is interior that two adjacent first wall extensions (111) in lower filter element (11) extend upwardly into same upper filter element (21)
Portion, two adjacent second wall extensions (211) in two adjacent upper filter elements (21) extend downwardly into same lower filter element
(11) inside.
The most according to claim 3 flow to defecator for range hood more, it is characterised in that: adjacent
Leaving gap between first wall extension (111) and the second wall extension (211), described the first wall extension (111) filters list with upper
Leave gap between the top of unit (21), leave between described the second wall extension (211) and the bottom of lower filter element (11)
Gap.
The most according to claim 1 flow to defecator for range hood more, it is characterised in that: described
Lower filter element (11) and upper filter element (21) the most at least three.
The most according to claim 1 flow to defecator for range hood more, it is characterised in that: described
Lower filter element (11) and upper filter element (21) are vertical bar shape, and cross section is U-shaped or is trapezoidal.
7. according to flowing to defecator for range hood described in any claim in claim 1 to 6 more,
It is characterized in that: the notch geometry of described first breach (112) is arc notch, rectangular indentation, vee and trapezoidal
One of which shape in breach, the notch geometry of described second breach (212) is arc notch, rectangular indentation, triangle
One of which shape in breach and trapeze cut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496650.9A CN105928029B (en) | 2016-06-24 | 2016-06-24 | A kind of multithread for range hood is to filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610496650.9A CN105928029B (en) | 2016-06-24 | 2016-06-24 | A kind of multithread for range hood is to filter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105928029A true CN105928029A (en) | 2016-09-07 |
| CN105928029B CN105928029B (en) | 2018-08-31 |
Family
ID=56829923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610496650.9A Active CN105928029B (en) | 2016-06-24 | 2016-06-24 | A kind of multithread for range hood is to filter device |
Country Status (1)
| Country | Link |
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| CN (1) | CN105928029B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642256A (en) * | 2016-12-16 | 2017-05-10 | 宁波方太厨具有限公司 | Filtering device for range hood |
| CN106678914A (en) * | 2016-12-27 | 2017-05-17 | 美的集团股份有限公司 | Lampblack separation device and lampblack discharge device |
| CN106895457A (en) * | 2017-02-15 | 2017-06-27 | 美的集团股份有限公司 | Oil-fume separating device and fume extractor |
| CN107191984A (en) * | 2017-01-12 | 2017-09-22 | 宁波方太厨具有限公司 | A kind of filter for range hood |
| CN110285453A (en) * | 2019-06-04 | 2019-09-27 | 华北水利水电大学 | A kind of trapezoidal cooling smoke-filtering board |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642256A (en) * | 2016-12-16 | 2017-05-10 | 宁波方太厨具有限公司 | Filtering device for range hood |
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| CN107191984A (en) * | 2017-01-12 | 2017-09-22 | 宁波方太厨具有限公司 | A kind of filter for range hood |
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| CN106895457A (en) * | 2017-02-15 | 2017-06-27 | 美的集团股份有限公司 | Oil-fume separating device and fume extractor |
| CN106895457B (en) * | 2017-02-15 | 2020-11-24 | 美的集团股份有限公司 | Oil smoke separator and fume extractor |
| CN110285453A (en) * | 2019-06-04 | 2019-09-27 | 华北水利水电大学 | A kind of trapezoidal cooling smoke-filtering board |
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| CN105928029B (en) | 2018-08-31 |
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