CN102444925A - Range hood and its filtering device - Google Patents

Range hood and its filtering device Download PDF

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Publication number
CN102444925A
CN102444925A CN2010105054993A CN201010505499A CN102444925A CN 102444925 A CN102444925 A CN 102444925A CN 2010105054993 A CN2010105054993 A CN 2010105054993A CN 201010505499 A CN201010505499 A CN 201010505499A CN 102444925 A CN102444925 A CN 102444925A
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CN
China
Prior art keywords
guide portion
oil
exhaust ventilator
air guide
filter
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Granted
Application number
CN2010105054993A
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Chinese (zh)
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CN102444925B (en
Inventor
施罗特曼·彼得
拜尔·克里斯丁
菲斯曼·伊根
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BSH Electrical Appliances Jiangsu Co Ltd
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BSH Electrical Appliances Jiangsu Co Ltd
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Priority to CN201010505499.3A priority Critical patent/CN102444925B/en
Publication of CN102444925A publication Critical patent/CN102444925A/en
Application granted granted Critical
Publication of CN102444925B publication Critical patent/CN102444925B/en
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Abstract

The invention discloses a filtering device of a range hood. The device comprises: an upper oil fume transmission part, which has a gas transmission cavity and is provided with an installation part used for mounting the upper oil fume transmission part on the range hood; a lower oil fume transmission part, which is arranged below the upper oil fume transmission part, with a non-linear gas inlet channel formed between the lower oil fume transmission part and the upper oil fume transmission part and communicated with the gas transmission cavity; a filter screen disposed between the upper oil fume transmission part and the lower oil fume transmission part; and an oil cup assembled below the lower oil fume transmission part. In the invention, as the gas inlet channel is a non-linear structure, when an oil fume flowing at high speed turns off, oil drops and water vapors in the oil fume can be bumped into the inner wall of the gas inlet channel under the effect of a centrifugal force, and can be separated from the oil fume. Thus, compared with prior art, the filtering device of the invention has better filtering effect and comparatively decreased oil stains adhered on a draught fan, so that the service life of the range hood can be prolonged. The invention also provides a range hood with the above filtering device.

Description

A kind of smoke exhaust ventilator and filter thereof
Technical field
The present invention relates to the smoke exhaust ventilator technical field, more particularly, relate to a kind of smoke exhaust ventilator and filter thereof.
Background technology
Smoke exhaust ventilator is claimed range hood again, is a kind of kitchen appliance that purifies kitchen environment.It is installed in the top of cooking stove in the kitchen, can the harmful oil smoke that produce in the refuse of cooking stove burning and the cooking process be taken away rapidly, discharges outdoorly, and the minimizing indoor pollution purifies the air of a room, and gas defence, explosion-proof safety guarantee effect are arranged.
At present, restaurant and family kitchen have been installed smoke exhaust ventilator mostly, but mostly existing smoke exhaust ventilator is straight-line, and the oil smoke that just produces culinary art in the kitchen directly is discharged to outdoor, has caused the pollution of outdoor environment.
For Chinese, diet structure is different with the westerner, thus in the kitchen from the kind of kitchen tools, pattern to layout, all very big difference is arranged with western countries.China is the country of exquisite cuisines; In food processing; Fried, fried, cooked, fried occupy very big ratio; Therefore the oil smoke in the Chinese style kitchen is very big, makes the kitchen environment greasy and bad cleaning that becomes easily, so it is higher than the smoke extract rate of European smoke exhaust ventilator to the requirement of smoke extract rate to be fit to the smoke exhaust ventilator of Chinese cooking custom.
The tradition smoke exhaust ventilator all is to adopt the oil cleaner screen mode aspect filtering oil smoke.Have one deck, two layers or multilayer, that filter opening has is square, rhombus, circle etc., purpose is to post hope to block oil smoke through filter screen; But from operating position so for many years, the non-constant of the effect of this solution is even if filter screen is little during to 0.01 square centimeter; Still have 37% oil smoke can't stop, and the opening of sieve of the most cigarette machines in market thereby almost is exactly directly to have discharged all about 0.04 square centimeter now; Its result pollutes cigarette machine inwall exactly, causes a large amount of inhomogeneous long-pending oil of draught fan impeller, and blower fan rotates and loses dynamic balancing; So just worse and worse, its mechanicalness noise is also just increasing naturally for suction effect.When can not get effective purified treatment, can make the effect of conventional smoke machine descend fast in a word.
The tradition smoke exhaust ventilator is owing to there not being pressure to fall, and is through action of negative pressure that oil smoke is expedite through the filtration of filter screen and by the flue discharge, so its filter effect of crossing filter is very low.After the filtration of screen pack, still carried a large amount of oil in the oil smoke, these oil can pollute the inwall of smoke exhaust ventilator flue, cause a large amount of inhomogeneous long-pending oil of draught fan impeller, and blower fan rotates and loses dynamic balancing, influences the service life of smoke exhaust ventilator.
Therefore, the oil strain ability of smoke exhaust ventilator is the problem that present people are badly in need of solving.
Summary of the invention
In view of this, the invention provides a kind of smoke exhaust ventilator and filter thereof, to improve the oil strain ability and the service life of smoke exhaust ventilator.
For realizing above-mentioned purpose, the present invention provides following technical scheme:
A kind of smoke exhaust ventilator is used filter, comprising:
Oil smoke conduction top, it has the air guide cavity, and which is provided with and be used for it is assemblied in the installation portion on the smoke exhaust ventilator;
Oil smoke conduction bottom, it places the below on said oil smoke conduction top, and and said oil smoke conduction top between form and have non-directional inlet channel, this inlet channel communicates with said air guide cavity;
Filter screen, it is arranged between said oil smoke conduction top and the said oil smoke conduction bottom;
Lubricating cup, it is assemblied in the below of said oil smoke conduction bottom.
Preferably, above-mentioned smoke exhaust ventilator with filter in, the bottom on said oil smoke conduction top has the lubricating cup installation portion, said lubricating cup installation portion and said lubricating cup are fastened.
Preferably, above-mentioned smoke exhaust ventilator with filter in, filter screen is funnel-form or plate-like structure, wherein, the filter screen of said funnel-shaped structure is that the bigger end of aperture area is upwards placed or the bigger end of aperture area is provided with downwards.
Preferably, above-mentioned smoke exhaust ventilator with filter in, oil smoke conduction top specifically comprises:
The first air guide portion, it is a tubular structure, said air guide cavity is the inner chamber of this first air guide portion;
By the side walls of the said first air guide portion along its intake section that axially extends upward and outwards stretch.
Preferably, above-mentioned smoke exhaust ventilator with filter in, said intake section forms concentric structure along the axial upwardly extending part and the said first air guide portion of the said first air guide portion;
The part that said intake section outwards stretches is streamlined.
Preferably, above-mentioned smoke exhaust ventilator with filter in, the part that said intake section outwards stretches is an arc.
Preferably, above-mentioned smoke exhaust ventilator with filter in, said oil smoke conduction bottom specifically comprises:
Oil Guide portion, the bottom of said Oil Guide portion has oilhole, and said lubricating cup is assemblied in the oilhole below of said Oil Guide portion;
By the top sidewall of the said Oil Guide portion outward extending second air guide portion upwards and simultaneously.
Preferably, above-mentioned smoke exhaust ventilator with filter in, the said second air guide portion and said intake section form the inlet channel with non-linear.
Preferably, above-mentioned smoke exhaust ventilator with filter in, said Oil Guide portion is the awl tubular structure, and the less end of its flow area is an oilhole.
Preferably, above-mentioned smoke exhaust ventilator with filter in, the said second air guide portion is a S shape, and the said second air guide portion is the arc of evagination near the part of said Oil Guide portion, is the arc of indent away from the part of said Oil Guide portion.
Preferably; Above-mentioned smoke exhaust ventilator with filter in; Said oil smoke conduction top also comprises the deflector on the outer wall that is arranged on said intake section; This deflector specifically comprises first diversion division that places on the said intake section outer wall, and second diversion division that is radially extended internally by the bottom of this first diversion division.
Preferably, above-mentioned smoke exhaust ventilator with filter in, said deflector is a plurality of and is arc that a plurality of deflectors are evenly distributed on the said intake section.
Preferably, above-mentioned smoke exhaust ventilator with filter in, a plurality of deflectors are spiral to be distributed on the said intake section.
Preferably; Above-mentioned smoke exhaust ventilator with filter in, said oil smoke conduction top specifically comprises: the first air guide portion, it is a tubular structure; Said air guide cavity is the inner chamber of this first air guide portion, and by the side walls of the said first air guide portion along oblique upper to the intake section that extends to form;
Said oil smoke conduction bottom specifically comprises: Oil Guide portion and by the side walls of the said Oil Guide portion outward extending second air guide portion upwards and simultaneously, and the lowermost in said oil smoke conduction bottom offers oilhole, and said lubricating cup is assemblied in said oilhole below.
Preferably, above-mentioned smoke exhaust ventilator with filter in, said Oil Guide portion is the awl barrel-like structure that Open Side Down, its top has roof, and the area of section of its bottom is greater than the area of section at its top.
Preferably, above-mentioned smoke exhaust ventilator with filter in, said Oil Guide portion is provided with choke portion, and below this choke portion, offers oilhole, on the top of said Oil Guide portion, offers venthole.
A kind of smoke exhaust ventilator comprises housing and is assemblied in the filter on the said housing that said filter is aforesaid filter.
Can find out from above-mentioned technical scheme; The present invention is formed with non-directional inlet channel by oil smoke conduction top that is assembled together and oil smoke conduction bottom; And this inlet channel communicates with said air guide cavity; Oil smoke can get into the air guide cavity along this inlet channel through the effect of blower fan, discharges outdoor through the filtration of screen pack.Because inlet channel is the non-linear structure, the oil smoke that is promptly sucked by the suction inlet of this inlet channel changes a flow direction at inlet channel to I haven't seen you for ages.When swiftly flowing oil smoke turns round; Oil droplet in the oil smoke and water vapour can clash into the inwall of inlet channel under action of centrifugal force; Can oil droplet in the oil smoke and water vapour be separated from oil smoke, the oil droplet that is separated can flow into lubricating cup along the inwall of inlet channel.Because before the screen pack oil strain, having had the part oil droplet to be separated through action of centrifugal force, will get well so the present invention compares filter effect with prior art, the oil stain that sticks on the blower fan reduces relatively, thus the service life of the smoke exhaust ventilator that improves.And, make the centrifugal force that produces in the corner of inlet channel can alleviate the generation high velocity air, thereby can reduce noise because inlet channel is the non-linear structure.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The explosive view of the filter that Fig. 1 provides for the embodiment of the invention one;
The structural representation on the oil smoke conduction top that Fig. 2 provides for the embodiment of the invention one;
The cutaway view of the filter that Fig. 3 provides for the embodiment of the invention one;
The partial enlarged drawing of A among Fig. 3 that Fig. 4 provides for the embodiment of the invention one;
The cutaway view of the filter of male structure filter screen under the having that Fig. 5 provides for the embodiment of the invention one;
The cutaway view of the filter that Fig. 6 provides for the embodiment of the invention one with convex configuration filter screen;
The cutaway view of the filter that Fig. 7 provides for the embodiment of the invention one with slab construction filter screen;
Oil smoke conduction top that Fig. 8 provides for the embodiment of the invention two and oil smoke conduction lower part solution structure sketch map;
Fig. 9 is the vertical view of Fig. 8;
The structural representation of the filter that Figure 10 provides for the embodiment of the invention three;
The oil smoke that Figure 11 provides for the embodiment of the invention three is at the flow graph of filter.
Figure 12 provides the structural representation of filter for the embodiment of the invention four;
Figure 13 is the structural representation of smoke exhaust ventilator provided by the invention.
The specific embodiment
The invention provides a kind of smoke exhaust ventilator and filter thereof, to improve the oil strain ability and the service life of smoke exhaust ventilator.
Main inventive concept of the present invention is before filtering oil smoke, to make its passage through a non-linear earlier, and the centrifugal force that produces when turning round reaches oil droplet is separated from oil smoke, and then filters through screen pack.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Embodiment one
See also Fig. 1 and Fig. 2, the explosive view of the filter that Fig. 1 provides for the embodiment of the invention one, the structural representation on the oil smoke conduction top that Fig. 2 provides for the embodiment of the invention one.
The invention provides a kind of smoke exhaust ventilator and use filter, filter is the core component that embodies the smoke exhaust ventilator filtering function.By shown in Figure 1, smoke exhaust ventilator provided by the invention comprises with filter: oil smoke conduction top 1, filter screen 2, oil smoke conduction bottom 3 and lubricating cup 4.
By shown in Figure 2, oil smoke conduction top 1 has the air guide cavity, and which is provided with and be used for it is assemblied in the installation portion 121 on the smoke exhaust ventilator.Filter provided by the invention fits on the smoke exhaust ventilator through installation portion 121 integral installations on the oil smoke conduction top 1.The blower fan of smoke exhaust ventilator forms negative pressure through outside air draft in the air guide cavity, the oil smoke that will produce when will cook siphons away, and discharges outdoor.
By shown in Figure 1, filter screen 2 is arranged between said oil smoke conduction top 1 and the oil smoke conduction bottom 3.Oil smoke conduction bottom 3 places the below on said oil smoke conduction top 1, and and said oil smoke conduction top 1 between form and have non-directional inlet channel, this inlet channel communicates with said air guide cavity.Lubricating cup 4 is assemblied in the below of said oil smoke conduction bottom 3.So-called non-directional inlet channel i.e. this inlet channel can also can be many inlet channels with the straight line that is connected formation of angle for the inlet channel of curve, promptly as long as guarantee that this inlet channel is not rectilinear passage.That is to say that this inlet channel comprises two not channel parts on same straight line at least,, need could get into the air guide cavity through at least once turning so that flue gas is after getting into this inlet channel.
See also Fig. 3, the cutaway view of the filter that Fig. 3 provides for the embodiment of the invention one.
The present invention is formed with non-directional inlet channel by oil smoke conduction top 1 that is assembled together and oil smoke conduction bottom 3; And this inlet channel communicates with said air guide cavity; Oil smoke can get into the air guide cavity along this inlet channel through the effect of blower fan, discharges outdoor through the filtration of screen pack.Because inlet channel is the non-linear structure, the oil smoke that is promptly sucked by the suction inlet of this inlet channel changes a flow direction at inlet channel to I haven't seen you for ages.When turning round, swiftly flowing oil smoke (promptly changes the direction of motion; The lines of black band arrow promptly are the moving lines of oil smoke among Fig. 3; The direction of motion of the direction indication oil smoke of arrow wherein) time; Oil droplet 7 in the oil smoke and water vapour can clash into inlet channel under action of centrifugal force inwall can be separated oil droplet in the oil smoke 7 and water vapour from oil smoke, the oil droplet that is separated can flow into lubricating cup 4 along the inwall of inlet channel.Because there is being before the screen pack oil strain part oil droplet 7 to be separated through action of centrifugal force; The more than once oil strain process so the present invention compares with prior art; So its filter effect will be got well; Therefore the oil stain that sticks on the blower fan can reduce relatively, thus the service life of the smoke exhaust ventilator that improves.And, make the centrifugal force that produces in the corner of inlet channel can alleviate the generation high velocity air, thereby can reduce noise because inlet channel is the non-linear structure.
Please combine Fig. 1, Fig. 2, the present invention comprises also that first mounting disc 5 and second mounting disc, 6, the first mounting discs 5 and second mounting disc 6 each parts with filter for ease are assembled together and is provided with.The bottom on oil smoke conduction top 1 has lubricating cup installation portion 13; When this filter of assembling; At first place oil smoke to conduct the both sides up and down of bottom 3 respectively first mounting disc 5 and second mounting disc 6; And first mounting disc 5 and second mounting disc 6 be fixed together, make oil smoke conduction bottom 3 be clamped in the centre by first mounting disc 5 and second mounting disc 6.First mounting disc 5 and second mounting disc 6 are circulus; And first be equipped with through hole in mounting disc 5 and second mounting disc 6; In the time of fixedly, can also can the bottom that oil smoke conducts bottom 3 be clamped through wearing bolt in first mounting disc 5 and second mounting disc 6 through the mode of steady pin.The lubricating cup installation portion 13 that then oil smoke is conducted top 1 passes said first mounting disc 5 and second mounting disc 6 is fastened with said lubricating cup 4.Concrete, on lubricating cup 4, be provided with the card that clamps with said lubricating cup installation portion 13 and join portion 41, card is joined and is had a plurality of overhanging claw that distributes ringwise in the portion 41.Lubricating cup installation portion 13 can be for having the ring of through hole, and the diameter of its through hole belongs to maximum diameter of a circle less than overhanging claw, to guarantee and can lubricating cup 4 be installed on the lubricating cup installation portion 13 through overhanging claw.When lubricating cup installation portion 13 assembled with lubricating cup 4, the overhanging claw of joining in the portion 41 through card passed the through hole of lubricating cup installation portion 13, and is fastened on the lubricating cup installation portion 13.In the present embodiment, overhanging claw is three, because the maximum outside diameter that a plurality of overhanging claws surround is greater than the diameter of lubricating cup installation portion 13 through holes; For the ease of installing; In when assembling, can at first two overhanging claws wherein be stretched the through hole of lubricating cup installation portion 13, and make contacting with the through-hole wall of lubricating cup installation portion 13 that these two overhanging claws surround than the minor diameter place; So that another overhanging claw can pass the through hole of lubricating cup installation portion 13; After three overhanging claws all pass this through hole, three overhanging claws are carried on lubricating cup installation portion 13 outer walls, promptly accomplished the installation of lubricating cup 4.
Further,, overhanging claw is designed to telescopic structure, as making the overhanging claw can be through spring along its axial stretching in order to guarantee the easier for installation of lubricating cup 4.When assembling, can be through external force with each overhanging claw withdrawal, so that its maximum outside diameter that surrounds is less than the diameter of lubricating cup installation portion 13 through holes; Can easily card be joined the through hole that lubricating cup installation portion 13 passes in portion 41, after passing this through hole, abandon external force; Overhanging claw stretches out; Therefore its maximum outside diameter that surrounds, can be erected on the lubricating cup installation portion 13 greater than the diameter of lubricating cup installation portion 13 through holes.The mode that clamps can be dismantled lubricating cup 4 and clean under the prerequisite that does not adopt dismantling device easily.
As shown in Figure 2, oil smoke conduction top 1 specifically comprises: the first air guide portion 11 and intake section 12, and wherein, the first air guide portion 11 is a tubular structure, said air guide cavity is the inner chamber of this first air guide portion 11.The blower fan operated by rotary motion of smoke exhaust ventilator so that its air guide cavity is carried out air draft, makes it produce negative pressure region above the first air guide portion 11, the attraction of the oil smoke that produces when accomplishing culinary art.
Intake section 12 is axially extended upward and outwards stretches along it by the side walls of the said first air guide portion 11 and forms.Can be used as at the part places that intake section 12 outwards stretches and to be used for filter is assemblied in the installation portion 121 on the smoke exhaust ventilator, can through bolt oil smoke be conducted the corresponding position that top 1 is fixed on smoke exhaust ventilator through on installation portion 121, offering bolt hole.Intake section 12 is parts of forming inlet channel; Because the unique texture that it extends upward vertically and outwards stretches; Make itself and oil smoke conduction bottom 3 form non-directional inlet channel, can the centrifugal force that can its part oil droplet be separated be provided for oil smoke.
Further, intake section 12 forms concentric structure along the axial upwardly extending part and the said first air guide portion 11 of the said first air guide portion 11, and the part that intake section 12 outwards stretches is a streamlined structure, is preferably arc.For avoiding oil smoke in the retardance of the transitional region place of intake section 12 and the first air guide portion, 11 joints, the transitional region of intake section 12 and the first air guide portion, 11 joints is arc transition preferably.Intake section 12 can be divided into three parts; Arc transition zone 123 (as shown in Figure 4) that link to each other with the side walls of the first air guide portion 11; The axial upwardly extending portion 122 that extends axially of the edge first air guide portion 11 that links to each other with this arc transition zone 123 extends axially the radially extension 124 that extend radially outwardly of portion 122 along the first air guide portion 11 by this.Need to prove that radially extension is an arc, promptly the radially extension of intake section 12 is served as reasons and is extended axially portion's rounding off to stretching out, and produces the zone to form centrifugal force herein, owing to be rounding off, therefore can not cause a large amount of oil smoke to block herein.
See also Fig. 3 and Fig. 4, the cutaway view of the filter that Fig. 3 provides for the embodiment of the invention one, the partial enlarged drawing of A among Fig. 3 that Fig. 4 provides for the embodiment of the invention one.
Oil smoke conduction provided by the invention bottom 3 specifically comprises: the Oil Guide portion 31 and the second air guide portion 32.Wherein, Oil Guide portion 31 is preferably the awl tubular structure, has oilhole in the bottom of Oil Guide portion 31, and said lubricating cup 4 is assemblied in the oilhole below of said Oil Guide portion 31.The area of section of Oil Guide portion 31 upper ends is bigger, and the area of section of lower end is less.Because lubricating cup 4 is assemblied in the oilhole below of said Oil Guide portion 31, gets rid of the oil droplet that is attached on Oil Guide portion 31 inwalls by action of centrifugal force and can slide to the oilhole place along its inwall through the gravity effect, falls into lubricating cup 4 then and collects.
The second air guide portion 32 is preferred S-shaped to be by the openend of said Oil Guide portion 31 upwards and stretch out simultaneously and form; And the said second air guide portion 32 is the arc 321 of evagination near the part of said Oil Guide portion 31, is the arc 322 of indent away from the part of said Oil Guide portion 31.The said second air guide portion 32 forms the inlet channel with non-linear with said intake section 12.Have the arc 321 of evagination and the arc 322 second air guide portion 32 that makes of indent and demonstrate the structure of S shape, can make inlet channel have centrifugal zone, two places.Owing to have centrifugal zone, two places, promptly inlet channel has the bending of two places, further can reduce the generation of high velocity air, improves filter effect.
For the ease of understanding this programme; Disclosed in the present embodiment centrifugal zone is two places; It will be understood by those skilled in the art that; Can the centrifugal zone that have radian to individual be set through above-mentioned principle, wherein the setting in centrifugal zone is to accomplish through the shape and the structure of the first air guide portion 11 and the second air guide portion 32.
See also Fig. 5-Fig. 7; The cutaway view of the filter of male structure filter screen under the having that Fig. 5 provides for the embodiment of the invention one; The cutaway view of the filter that Fig. 6 provides for the embodiment of the invention one with convex configuration filter screen, the cutaway view of the filter that Fig. 7 provides for the embodiment of the invention one with slab construction filter screen.
Filter screen 2 can be designed as funnel-form also can be plate-like structure, wherein for the filter screen 2 of funnel-shaped structure can aperture area is bigger an end upwards place (as shown in Figure 5); Also can (as shown in Figure 6) be set the end that aperture area is bigger downwards.Can it be arranged in the air guide cavity on oil smoke conduction top 1 (as shown in Figure 7) for the filter screen 2 of plate-like structure.It will be appreciated by persons skilled in the art that filter screen 2 is the oil droplets that are used for the filtering oil smoke, with the row of avoiding to of the pollution of outdoor flue gas to atmosphere and fan leaf.Therefore, filter screen 2 must cover whole passages in a certain zone fully, and the zone mistake of avoiding oil smoke that filter screen 2 never is set flows away.Filter screen 2 can be arranged on any position in inlet channel and the air guide cavity, but needs to guarantee that must could pass through blower fan through screen pack 2 from the oil smoke that inlet channel gets into discharges outdoor.
Filter screen 2 can conduct top 1 with oil smoke and also can be assemblied on the oil smoke conduction top 1 for integral structure.If filter screen 2 is designed to integral structure with oil smoke conduction top 1, make things convenient for the assembling of filter, but difficult when filter screen is cleaned, and after filter screen damages, need conduct top 1 together with oil smoke and change, use cost is higher.If filter screen 2 is designed to fabricated construction with oil smoke conduction top 1; Be that filter screen 2 separates with oil smoke conduction top 1, the two be fixed together whether the filter of this structure cleans more convenient through assembling; And filter screen 2 is after damage; Only need to change filter screen 2 itself, the cost of maintenance is lower, but complicated during the filter assembling.The filter of above-mentioned two kinds of forms all falls into protection scope of the present invention.
Embodiment two
See also Fig. 8 and Fig. 9, oil smoke conduction top that Fig. 8 provides for the embodiment of the invention two and oil smoke conduction lower part solution structure sketch map, Fig. 9 is the vertical view of Fig. 8.
The filter that the embodiment of the invention two provides is to have increased centrifugal zone radially with the difference of implementing a disclosed filter.
Oil smoke conduction top 1 also comprises the deflector 14 that is arranged on said intake section 12 outer walls; This deflector 14 specifically comprises first diversion division 141 that is arranged on said intake section 12 outer walls, and second diversion division 142 that is radially extended internally by the bottom of this first diversion division 141.Through the strength and stiffness that deflector 14 at first can improve oil smoke conduction top 1 are set; In addition, also for inlet channel provides support, made things convenient for the assembling of oil smoke conduction bottom 3; It is the width that the width of deflector 14 has become inlet channel; Oil smoke is conducted bottom 3 directly be assemblied on the oil smoke conduction top 1, carry out spacingly through the position of 14 pairs of oil smoke conduction of deflector bottom 3, avoid oil smoke conduction top 1 and oil smoke conduction bottom 3 to be adjacent to and block inlet channel.Deflector 14 also has the effect of water conservancy diversion, avoids high velocity air to sweep across and makes a noise.
Further, said deflector 14 is a plurality of and is arc (as shown in Figure 9) that a plurality of deflectors 14 are evenly distributed on the said intake section 12.Deflector 14 is designed to arc, and its guide functions is more obvious, and can produce centrifugal zone radially.The oil smoke that produces when culinary art can be because the centrifugal force filter place part oil droplet that the axial centrifugal zone that inlet channel itself exists produces when inlet channel gets into, and the oil droplet that leaches is along the inwall inflow lubricating cup 4 of oil smoke conduction bottom 3.When oil smoke process deflector 14, can under action of centrifugal force, its internal partial oil droplet be thrown away along deflector 14, the oil droplet that is thrown out of can flow into lubricating cups 4 along deflector 14.A plurality of deflector 14 spiral being distributed on the said intake section 12.
Embodiment three
See also Figure 10 and Figure 11, the structural representation of the filter that Figure 10 provides for the embodiment of the invention three; The oil smoke that Figure 11 provides for the embodiment of the invention three is at the flow graph of filter.
The embodiment of the invention three provides the filter of another version, and it with the difference of the foregoing description is: this filter only has an axial centrifugal zone (bending region).The flowing velocity of the oil smoke of the filter of this structure in inlet channel is very fast relatively, so the air draft area of this kind filter is bigger.
Wherein, oil smoke conduction bottom 3 specifically comprises: the Oil Guide portion 33 and the second air guide portion 34.Wherein, Oil Guide portion 33 is the awl barrel-like structure that Open Side Down, and its top has roof, and the area of section of its bottom is greater than the area of section at its top.The second air guide portion 34 is that by the side walls of said Oil Guide portion 33 upwards and stretch out simultaneously and forms the lowermost of conducting bottom 3 at said oil smoke offers oilhole 35, and said lubricating cup 4 is assemblied in said oilhole 35 belows.Preferably, the second air guide portion 34 be openend by said Oil Guide portion 33 to oblique upper to extending to form, the second air guide portion 34 forms to the straight plate of the awl tubular that extends to oblique upper.
Oil smoke conduction top 1 is with the difference of embodiment one and embodiment two, its intake section be side walls by its first air guide portion to oblique upper to extending to form.
Therefore, only there is place bending in oil smoke conduction top 1 with the inlet channel that oil smoke conduction bottom 3 forms, and therefore can only form centrifugal zone, a place.Compare with embodiment two with the embodiment one in axial centrifugal zone, existence of the present invention two places, embodiment three disclosed filter air inlets are more smooth and easy, and the flowing velocity of oil smoke in inlet channel is very fast relatively, so the air draft area of this kind filter is bigger.
Oilhole 35 is opened in the lowermost of said oil smoke conduction bottom 3, and promptly oilhole 35 is opened in the turning point of the Oil Guide portion 33 and the second air guide portion 34.When oil smoke at a high speed when inlet channel enters into the turning point of the Oil Guide portion 33 and the second air guide portion 34, can change the direction of motion, the tobacco tar cigarette that comprises oil droplet, particle and water vapour can clash into the inwall of inlet channel under the effect of mental and physical efforts.Particle and oil droplet through said process can be separated from flue gas, and flow to oilhole 35 along the inwall of inlet channel, flow into lubricating cup 4 from oilhole 35 at last.Change oil smoke speed after the direction and can reduce and can not produce and sweep across, therefore, filter the straight inner noise of dress and can reduce greatly.
Embodiment four
The difference of the embodiment of the invention four and embodiment three with increased by a place choke portion, introduce in detail through accompanying drawing below.
See also Figure 12, Figure 12 provides the structural representation of filter for the embodiment of the invention four.
Oil Guide portion 33 is provided with choke portion 36 and below this choke portion 36, offers oilhole 37, on the roof of said Oil Guide portion 33, offers venthole 38.Choke portion 36 can stop the oil smoke air-flow, can reduce the speed of oil smoke air-flow, therefore can reduce the oil smoke air-flow and produce the probability that sweeps across, and has avoided by the noise that sweeps across generation.Oil smoke can be assembled at choke portion 36 places, therefore has oil droplet here and from flue gas, separates, and the oilhole of offering along the below of choke portion 36 37 flows into lubricating cup 4.Have partial fume in the oil smoke air-flow and flow into from oilhole 37, flow out along venthole 38 then, the air guide cavity from oil smoke conduction top 1 flows out at last.Partial fume from oilhole 37 flows into when venthole 38 flows out, clashing into the roof of Oil Guide portion 33, also has a spot of oil droplet and separates, and flows into lubricating cup 4.
See also Figure 13, Figure 13 is the structural representation of smoke exhaust ventilator provided by the invention.
Smoke exhaust ventilator provided by the invention; Comprise housing 6 be assemblied on the said housing 6 like embodiment one to embodiment four each said filters; The assembling of filter and housing 6 is accomplished through the installation portion 121 on the oil smoke conduction top 1; Can on installation portion 121, screwed hole be set, filter be assemblied on the housing 6 through screw.Smoke exhaust ventilator provided by the invention is because the unique texture of its filter, and therefore to compare its filter effect better with existing smoke exhaust ventilator, the requirement of the relatively more suitable Chinese way of cooking.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (17)

1. a smoke exhaust ventilator is used filter, it is characterized in that, comprising:
Oil smoke conduction top (1), it has the air guide cavity, and which is provided with and be used for it is assemblied in the installation portion (121) on the smoke exhaust ventilator;
Oil smoke conduction bottom (3), it places the below on said oil smoke conduction top (1), and with said oil smoke conduction top (1) between formation have non-directional inlet channel, this inlet channel communicates with said air guide cavity;
Filter screen (2), it is arranged between said oil smoke conduction top (1) and the said oil smoke conduction bottom (3);
Lubricating cup (4), it is assemblied in the below of said oil smoke conduction bottom (3).
2. smoke exhaust ventilator as claimed in claim 1 is used filter, it is characterized in that, the bottom on said oil smoke conduction top (1) has lubricating cup installation portion (13), and said lubricating cup installation portion (13) is fastened with said lubricating cup (4).
3. smoke exhaust ventilator as claimed in claim 1 is used filter; It is characterized in that; Filter screen (2) is funnel-form or plate-like structure, and wherein, the filter screen of said funnel-shaped structure (2) upwards places for the bigger end of aperture area or the bigger end of aperture area is provided with downwards.
4. smoke exhaust ventilator as claimed in claim 1 is used filter, it is characterized in that, oil smoke conduction top (1) specifically comprises:
The first air guide portion (11), it is a tubular structure, said air guide cavity is the inner chamber of this first air guide portion (11);
By the side walls of the said first air guide portion (11) along its intake section (12) that axially extends upward and outwards stretch.
5. smoke exhaust ventilator as claimed in claim 4 is used filter, it is characterized in that, said intake section (12) forms concentric structure along the axial upwardly extending part and the said first air guide portion (11) of the said first air guide portion (11);
The part that said intake section (12) outwards stretches is streamlined.
6. smoke exhaust ventilator as claimed in claim 5 is used filter, it is characterized in that, the part that said intake section (12) outwards stretches is an arc.
7. smoke exhaust ventilator as claimed in claim 5 is used filter, it is characterized in that, said oil smoke conduction bottom (3) specifically comprises:
Oil Guide portion (31), the bottom of said Oil Guide portion (31) has oilhole, and said lubricating cup (4) is assemblied in the oilhole below of said Oil Guide portion (31);
By the top sidewall of said Oil Guide portion (31) the outward extending second air guide portion (32) upwards and simultaneously.
8. smoke exhaust ventilator as claimed in claim 7 is used filter, it is characterized in that, the said second air guide portion (32) forms the inlet channel with non-linear with said intake section (12).
9. smoke exhaust ventilator as claimed in claim 7 is used filter, it is characterized in that, said Oil Guide portion (31) is the awl tubular structure, and the less end of its flow area is an oilhole.
10. smoke exhaust ventilator as claimed in claim 7 is used filter; It is characterized in that; The said second air guide portion (32) is a S shape, and the said second air guide portion (32) is the arc (321) of evagination near the part of said Oil Guide portion (31), is the arc (322) of indent away from the part of said Oil Guide portion (31).
11. smoke exhaust ventilator as claimed in claim 4 is used filter; It is characterized in that; Said oil smoke conduction top (1) also comprises the deflector (14) on the outer wall that is arranged on said intake section (12); This deflector (14) specifically comprises first diversion division (141) that places on said intake section (12) outer wall, and second diversion division (142) that is radially extended internally by the bottom of this first diversion division (141).
12. smoke exhaust ventilator as claimed in claim 11 is used filter, it is characterized in that, said deflector (14) is a plurality of and is arc that a plurality of deflectors (14) are evenly distributed on the said intake section (12).
13. smoke exhaust ventilator as claimed in claim 12 is used filter, it is characterized in that, a plurality of deflectors (14) are spiral to be distributed on the said intake section (12).
14. smoke exhaust ventilator as claimed in claim 1 is used filter; It is characterized in that; Said oil smoke conduction top (1) specifically comprises: the first air guide portion; It is a tubular structure, and said air guide cavity is the inner chamber of this first air guide portion, and by the side walls of the said first air guide portion along oblique upper to the intake section that extends to form;
Said oil smoke conduction bottom (3) specifically comprises: Oil Guide portion (33) and by the side walls of said Oil Guide portion (33) the outward extending second air guide portion (34) upwards and simultaneously; Lowermost in said oil smoke conduction bottom (3) offers oilhole (35), and said lubricating cup (4) is assemblied in said oilhole (35) below.
15. smoke exhaust ventilator as claimed in claim 14 is used filter, it is characterized in that, said Oil Guide portion (33) is the awl barrel-like structure that Open Side Down, and its top has roof, and the area of section of its bottom is greater than the area of section at its top.
16. smoke exhaust ventilator as claimed in claim 15 is used filter; It is characterized in that; Said Oil Guide portion (33) is provided with choke portion (36), and offers oilhole (37) in the below of this choke portion (36), on the roof of said Oil Guide portion (33), offers venthole (38).
17. a smoke exhaust ventilator comprises housing and is assemblied in the filter on the said housing, it is characterized in that said filter is each described filter of claim 1-16.
CN201010505499.3A 2010-09-30 2010-09-30 A kind of smoke exhaust ventilator and defecator thereof Expired - Fee Related CN102444925B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102865613A (en) * 2012-09-28 2013-01-09 常州大学 Oil mist removal device for range hood
CN103638765A (en) * 2013-12-08 2014-03-19 上海尚优生物科技有限公司 Indoor air tiny dust removal device
CN105615774A (en) * 2014-11-21 2016-06-01 德国福维克控股公司 Air cleaner capable of reverse purging
CN106824962A (en) * 2016-12-22 2017-06-13 韩波 A kind of smoking cleaner
CN108592102A (en) * 2018-03-07 2018-09-28 佛山市云米电器科技有限公司 A kind of kitchen ventilator of the visual oil collector sump tank of band

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WO2001037972A2 (en) * 1999-11-25 2001-05-31 Faber S.P.A. Modular filtration device for extractor and/or filtering hoods
CN2643195Y (en) * 2003-09-26 2004-09-22 郑洪彬 Baffle plate separating type oil-smoke exhauster
EP1705430A1 (en) * 2005-07-04 2006-09-27 V-Zug AG extracting hood with grease filter
CN101439249A (en) * 2007-11-20 2009-05-27 Bsh博施及西门子家用器具有限公司 Filter device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1247291A (en) * 1998-09-08 2000-03-15 樊光裕 Clarifying oil soot exhauster
WO2001037972A2 (en) * 1999-11-25 2001-05-31 Faber S.P.A. Modular filtration device for extractor and/or filtering hoods
CN2643195Y (en) * 2003-09-26 2004-09-22 郑洪彬 Baffle plate separating type oil-smoke exhauster
EP1705430A1 (en) * 2005-07-04 2006-09-27 V-Zug AG extracting hood with grease filter
CN101439249A (en) * 2007-11-20 2009-05-27 Bsh博施及西门子家用器具有限公司 Filter device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102865613A (en) * 2012-09-28 2013-01-09 常州大学 Oil mist removal device for range hood
CN102865613B (en) * 2012-09-28 2015-03-11 常州大学 Oil mist removal device for range hood
CN103638765A (en) * 2013-12-08 2014-03-19 上海尚优生物科技有限公司 Indoor air tiny dust removal device
CN105615774A (en) * 2014-11-21 2016-06-01 德国福维克控股公司 Air cleaner capable of reverse purging
CN106824962A (en) * 2016-12-22 2017-06-13 韩波 A kind of smoking cleaner
CN106824962B (en) * 2016-12-22 2018-11-23 韩波 A kind of smoking cleaner
CN108592102A (en) * 2018-03-07 2018-09-28 佛山市云米电器科技有限公司 A kind of kitchen ventilator of the visual oil collector sump tank of band
CN108592102B (en) * 2018-03-07 2024-03-15 佛山市云米电器科技有限公司 Range hood with visual oil collecting device

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