CN106460858A

CN106460858A - Deodorizing tool for fan

Info

Publication number: CN106460858A
Application number: CN201580029404.6A
Authority: CN
Inventors: 佐佐木友章
Original assignee: Elc Corp
Current assignee: Elc Corp
Priority date: 2014-11-20
Filing date: 2015-07-27
Publication date: 2017-02-22
Also published as: JP2016098699A; WO2016080022A1; KR20170087023A

Abstract

The invention provides a deodorizing tool for a fan capable of removing an odorous component, a tobacco odor, and a nonenal odor included in the air by utilizing a fan. The deodorizing tool for fan 10A is formed of: a deodorizing filter 13 which removes an odor included in the air and has a predetermined area; and a support frame 14 which supports the deodorizing filter 13. A space 34 is defined between a first side area 16 and a second side area 17 of the deodorizing filter 13, and is surrounded by the inside frame of the support frame 14 so as to have a motor case positioned therein. To the inside frame extending toward the upper area 15 of the deodorizing filter 13, a mechanical fastener which is attachably/detachably fastened to the motor case is attached.

Description

Electric fan odor removal

Technical field

The present invention relates to the electric fan odor removal of a kind of stink removed and contain from the air that electric fan is sent.

Background technology

Disclosing a kind of electric fan screen pack, it possesses：Ring-type filter material, it can be from the rotation to electric fan for the outer side covers Turn the rear protective cover back side that flabellum is protected；Framework, it has the ring-type shaped as frame shape keeping this filter material with deployed condition；And Latch for printed circuit, it is locked on this framework on flabellum protective cover, and, filter material is divided into some filter materials towards circumference, and Framework is divided into some frameworks (referenced patent document 1) towards circumference.This electric fan screen pack can easily dismount On electric fan, and can only change part filter material damaged in screen pack or contaminated part filter material.

Prior art literature

Patent document

Patent document 1：Japanese Patent Laid-Open 2005-240697 publication

The summary of invention

Invention technical task to be solved

Though electric fan screen pack disclosed in described patent document 1 can remove the dirt containing in the air of electric fan Angstrom, but the foul smell composition containing in air or smoke, Lao Renwei cannot be removed.Should illustrate, the foul smell composition containing in air In containing alkaline foul smell composition with ammonia, trimethylamine or the nitrogen-containing compound such as triethylamine, trialkylamine as main component, hydrogen sulfide Or the sulfur-containing compound such as methyl sulfide, dimethyl disulfide, methyl mercaptan, based on the aldehydes such as formaldehyde or acetaldehyde, butyraldehyde, valeral, propionic aldehyde Want the neutral foul smell composition of composition, to want the acid foul smell of composition based on the lower aliphatic acids such as formic acid or acetic acid, propionic acid, valeric acid Composition and toluene or dimethylbenzene, butanol, methyl iso-butyl ketone (MIBK).

It is an object of the invention to, provide a kind of electric fan odor removal, it can utilize electric fan to remove in air The foul smell composition containing or smoke, Lao Renwei, and electric fan can be utilized to send cleaning while being blown by electric fan Air.

For solving the means of technical task

The premise of the present invention for solving above-mentioned problem is a kind of electric fan odor removal, its by before having and after The deodorizing screen pack of the predetermined area of the stink containing in face and removal air and the scaffold shape of supporting deodorizing screen pack Become, and be arranged on electric fan.

In described premise, inventive feature is, deodorizing screen pack has：Upper area, it surrounds after being positioned at electric fan The motor shell top at protective cover rear；First side region, it extends downwards simultaneously from upper area towards the pedestal of electric fan Surround a sidepiece of motor shell；And second side region, extend downwards from upper area towards the pedestal of electric fan and wrap Enclose another sidepiece of motor shell, and scaffold is by forming as follows：Lateral frame, it is along the upper area of deodorizing screen pack Extend with the neighboring of first and second side region；And inner frame, it is connected with lateral frame and upper along deodorizing screen pack The inner rim of side region and first and second side region extends, and is centered around inner frame and the space at motor shell place is divided in Between first side region and the second side region, the set mechanism anchoring at motor shell removably is formed to deodorizing screen pack Upper area extend inner frame on.

As a case of the present invention, electric fan odor removal can be anchored at by set mechanism after being positioned at removably The top of protective cover motor shell just below, and electric fan odor removal its when being installed on electric fan, deodorizing screen pack Upper area and first and second side region be positioned at rear protective cover just after.

As another example of the present invention, electric fan odor removal is anchored on handle removably by set mechanism, This handle is formed at the top of rear protective cover motor shell just below, and electric fan odor removal is installed on electric wind at it During fan, the upper area of deodorizing screen pack and first and second side region be positioned at rear protective cover just after.

As another example of the present invention, electric fan odor removal when it is installed on electric fan, deodorizing screen pack upper Near the radial front end portion of the flabellum that the neighboring of side region and first and second side region is positioned at electric fan.

As another example of the present invention, electric fan odor removal when it is installed on electric fan, deodorizing screen pack upper The neighboring of side region and first and second side region is positioned at the neighboring of rear protective cover and the radial front end of the flabellum of electric fan Between portion.

As another example of the present invention, scaffold includes being connected with lateral frame and inner frame and to radially extending Framework.

As another example of the present invention, deodorizing screen pack is by forming as follows：Soft urethane foam with continuous air bubbles, it has The multiple ventilation path extending between after forward；Active carbon powder, anchors at flexible polyurethane foams by predetermined sticker Wall；And air permeable wrapping sheet material, its whole flexible polyurethane foams of cladding.

As another example of the present invention, deodorizing screen pack is by forming as follows：Soft urethane foam with continuous air bubbles, it makes to mix The polyether foam raw material entering active carbon powder or the polyester form raw material being mixed into active carbon powder foam and make and have The multiple ventilation path extending between after forward；And air permeable wrapping sheet material, its whole flexible polyurethane foams of cladding.

As another example of the present invention, multiple ventilation path are centered around the wall of flexible polyurethane foams and are divided in this poly-ammonia Ester foam inside, and irregularly bend while prolonging to the thickness direction of flexible polyurethane foams between front and back Stretch, and irregularly bend while extending to the radial direction of polyurethane foam between neighboring and inner rim.

As another example of the present invention, adjoin to radial direction and bend those ventilation path extending diametrically to thickness direction Local-connection, and to thickness direction those ventilation path local-connection in a thickness direction that is adjacent and that extend to bent radial.

As another example of the present invention, in flexible polyurethane foams, the aperture area of those ventilation path is towards thickness direction Occurring irregularly to change and be radially oriented the irregular change of generation, the area causing those ventilating openings is different.

As another example of the present invention, the gauge of flexible polyurethane foams in the range of 5～20mm, flexibel polyurethane The quality of foam is in the range of 40～80g.

As another example of the present invention, the superficial velocity of flexible polyurethane foams is in the range of 20～40cm/sec.

As another example of the present invention, package sheet material is to have the net of predetermined screen number or have minute impurities trapping The airstrainer of function.

As another example of the present invention, package sheet material is by having predetermined screen number and be positioned in front and back arbitrarily one side Net；And there is minute impurities trapping function and be positioned in front and back the airstrainer of any another side and make.

Invention effect

According to electric fan odor removal involved in the present invention, it comprises the deodorizing removing the stink containing in air Filter screen, during so the air flowing into electric fan passes through deodorizing screen pack, can be removed in air by deodorizing screen pack and to contain Foul smell composition or smoke, Lao Renwei such that it is able to remove the foul smell composition containing in the air of electric fan or smoke, old man Taste.Electric fan odor removal removes the foul smell composition containing in air or smoke, Lao Renwei by deodorizing screen pack, so energy The clean air of those stinks has been removed in enough formation, and electric fan can be utilized to electricity while being blown by electric fan The air of odorless and cleaning is sent in fan front.Electric fan odor removal flows into the sky of the flabellum of electric fan from rear protective cover Gas velocity is relatively slow, and air flows slowly over deodorizing screen pack, during it is possible to extend air relative to the contact of deodorizing screen pack Between such that it is able to reliably remove the stink containing in air.In electric fan odor removal, the Interior Space when electric fan operates After gas passes through deodorizing screen pack, again pass through deodorizing screen pack, owing to air can flow through (circulation) deodorizing screen pack, institute repeatedly Gradually purified by deodorizing screen pack with room air, its deodorizing work(can be given full play to by long time running electric fan Energy.

Electric fan odor removal anchored at removably by set mechanism be positioned at rear protective cover just after motor shell The top of body, when electric fan odor removal is installed on electric fan, the upper area of deodorizing screen pack and first and second lateral areas Territory is positioned in rear protective cover electric fan odor removal just below, by the upper area of deodorizing screen pack and first and second Side region be positioned at rear protective cover just after, the air flowing into electric fan reliably passes through deodorizing screen pack, it is possible to by removing Smelly screen pack is reliably removed and is flowed into the foul smell composition containing in the air of electric fan or smoke, Lao Renwei, and can enter to utilize Electric fan sends the air of odorless and cleaning to electric fan front.

Electric fan odor removal is anchored on handle removably by set mechanism, and this handle is protected after being formed at The top of guard shield motor shell just below, when electric fan odor removal is installed on electric fan, the top district of deodorizing screen pack Territory and first and second side region are positioned in rear protective cover electric fan odor removal just below, the top district of deodorizing screen pack Territory and first and second side region be positioned at rear protective cover just after, thus the air flowing into electric fan reliably passes through deodorizing filters Net, it is possible to reliably removed in the air flowing into electric fan the foul smell composition that contains or smoke, old by deodorizing screen pack Tasty, and electric fan can be utilized to send the air of odorless and cleaning to electric fan front.

When electric fan odor removal is installed on electric fan, the upper area of deodorizing screen pack and first and second side region The electric fan odor removal of radial front end portion vicinity of the neighboring flabellum that is positioned at electric fan can make inflow electric fan All air in the substantially whole region of flabellum pass through deodorizing screen pack, and can purify and substantially had time from what electric fan was sent Gas such that it is able to send to electric fan front and be removed foul smell composition or the cleaning of smoke, old man's taste by deodorizing screen pack Air.

When electric fan odor removal is installed on electric fan, the upper area of deodorizing screen pack and first and second side region The electric fan odor removal that is positioned between the neighboring of rear protective cover and the radial front end portion of the flabellum of electric fan of neighboring The all air flowing into from the substantially whole region of the rear protective cover of electric fan can be made to pass through deodorizing screen pack, and can purify The substantially all air sent from electric fan such that it is able to send to electric fan front and be removed foul smell by deodorizing screen pack Composition or the clean air of smoke, old man's taste.

Scaffold includes being connected with lateral frame and inner frame and uses to the electric fan of the framework radially extending In odor removal, pass through those by lateral frame or inner frame, framework supporting deodorizing screen pack, and deodorizing screen pack Framework reliably supports, so deodorizing screen pack will not deform because of the air that enters from rear protective cover towards flabellum, it is thus possible to Enough make air spread all over whole deodorizing screen pack to flow through, thus reliably removed in the air flowing through electric fan by deodorizing screen pack The foul smell composition containing or smoke, Lao Renwei.

Deodorizing screen pack is by the soft urethane foam with continuous air bubbles with multiple ventilation path；Anchor at flexibel polyurethane bubble The active carbon powder of the wall of foam；And the electric fan that the air permeable wrapping sheet material being coated with whole flexible polyurethane foams is formed is with removing In smelly device, flow through be formed at flexible polyurethane foams multiple from the rear protective cover of electric fan towards the air that flabellum enters During ventilation path, contact with the activated carbon of the wall being coated on polyurethane foam, thus the foul smell composition containing in air or smoke, Old man's taste is adsorbed onto on activated carbon, contains it is possible to reliably removed by deodorizing screen pack in the air flowing into electric fan Stink.In electric fan odor removal, the activated carbon removal air by the wall being coated on flexible polyurethane foams contains Foul smell composition or smoke, Lao Renwei, it is possible to form the clean air having removed those stinks, and can be by electricity While fan air-supply, send the air of odorless and cleaning to electric fan front.In electric fan odor removal, from rear protective cover The air velocity of the flabellum entering electric fan is relatively slow, and air slowly flows across those ventilation path of flexible polyurethane foams, so Time of contact relative to activated carbon for the air can be extended such that it is able to the stink containing in air is reliably adsorbed onto activity On charcoal.In electric fan odor removal, after when electric fan operates, room air flows through the ventilation path of flexible polyurethane foams, Flow through the ventilation path of polyurethane foam, thus air can flow through the ventilation path of (circulation) polyurethane foam repeatedly, so Interior Space Gas is gradually purified by deodorizing screen pack, can give full play to its deodorization functions by long time running electric fan.

Deodorizing screen pack is by forming as follows：Soft urethane foam with continuous air bubbles, it makes to be mixed into the poly-of active carbon powder Ether foam raw material or be mixed into active carbon powder polyester form raw material foam and make and there is multiple ventilation path；And gas permeability Package sheet material, in the electric fan odor removal of its whole flexible polyurethane foams of cladding, from the rear protective cover of electric fan towards When the air that flabellum enters flows through the multiple ventilation path being formed on flexible polyurethane foams, with the wall being coated on polyurethane foam The activated carbon contact in face, thus the foul smell composition containing in air or smoke, old man's taste are adsorbed onto on activated carbon, so by removing Smelly screen pack can reliably be removed and flow into the stink containing in the air of electric fan.In electric fan odor removal, in air The foul smell composition containing or smoke, old man's taste are removed by being coated on the activated carbon of the wall of flexible polyurethane foams, so The clean air having removed those stinks can be formed, and can be while being blown by electric fan, to electric fan front Send the air of odorless and cleaning.In electric fan odor removal, enter the air velocity of the flabellum of electric fan from rear protective cover Relatively slow, and air slowly flows across those ventilation path of flexible polyurethane foams, it is possible to extend air relative to activated carbon Time of contact such that it is able to make the stink containing in air reliably be adsorbed onto on activated carbon.In electric fan odor removal, After room air flows through the ventilation path of flexible polyurethane foams during electric fan operating, flow through the ventilation path of polyurethane foam, from And air can flow through the ventilation path of (circulation) polyurethane foam repeatedly, thus room air by deodorizing screen pack by gradually net Change, its deodorization functions can be given full play to by long time running electric fan.

Those ventilation path are centered around the wall of flexible polyurethane foams and are divided in inside polyurethane foam, and those ventilate Road is while irregularly bending while extending to the thickness direction of flexible polyurethane foams, and to the radial direction of polyurethane foam In the electric fan odor removal of irregular bending extension on one side, the thickness direction with those ventilation road direction flexible polyurethane foams Or the situation that radial alignment shape extends compares, lengthen ventilation path overall length polyurethane foam within, and increasing polyurethane foam The specific surface area of wall, it is possible to prolongation air is relative to the time of contact of activated carbon, is coated with activity therefore, it is possible to improve The polyurethane foam of charcoal or the foul smell adsorption function of polyurethane foam being mixed into active charcoal such that it is able to make inflow electric fan The foul smell composition containing in air or smoke, old man's taste fully and are reliably adsorbed onto the activity being coated in polyurethane foam Charcoal or be mixed on the activated carbon in polyurethane foam.In electric fan odor removal, the foul smell composition containing in air or cigarette Taste, old man's taste are removed by coating the activated carbon of polyurethane foam or the activated carbon being mixed in polyurethane foam, so energy The clean air of those stinks has been removed in enough formation, and can send to electric fan front while being blown by electric fan Go out the air of odorless and cleaning.

To those ventilation path local-connection diametrically that is radially adjacent and that extend to thickness direction bending, and to thickness side To adjacent and in the electric fan odor removal of those ventilation path local-connection in a thickness direction that bent radial extends, soft Ventilation path overall length within matter polyurethane foam is elongated, and air enters adjacent ventilation path such that it is able to extend air relative It the time of contact of activated carbon, is coated with the polyurethane foam of activated carbon or the polyurethane being mixed into active charcoal it is possible to improve The foul smell adsorption function of foam such that it is able to make the foul smell composition containing in the air of inflow electric fan or smoke, old man's taste fill Divide and be reliably adsorbed onto the activated carbon being coated in polyurethane foam or be mixed on the activated carbon in polyurethane foam.Electric wind In fan odor removal, the foul smell composition containing in air or smoke, old man's taste are by the activity being coated in polyurethane foam Charcoal or the activated carbon being mixed in polyurethane foam are removed, it is possible to form the clean air having removed those stinks, and The air of odorless and cleaning while being blown, can be sent by electric fan to electric fan front.

It is irregular that the aperture area of those ventilation path occurs irregularly to change and be radially oriented generation towards thickness direction Change, causes in the different electric fan odor removal of the area of those ventilating openings, the feelings equal with the aperture area of ventilation path Condition is compared, and the air passing through ventilation path reliably collides with the wall of flexible polyurethane foams, is coated with work it is possible to improve The polyurethane foam of property charcoal or the foul smell adsorption function of polyurethane foam being mixed into active charcoal such that it is able to make inflow electric fan Air in the foul smell composition that contains or smoke, old man's taste fully and be reliably adsorbed onto the activity being coated in polyurethane foam Charcoal or be mixed on the activated carbon in polyurethane foam.In electric fan odor removal, the foul smell composition containing in air or cigarette Taste, old man's taste are removed by activated carbon or the activated carbon being mixed in polyurethane foam being coated in polyurethane foam, so The clean air having removed those stinks can be formed, and can be while being blown by electric fan, to electric fan front Send the air of odorless and cleaning.

The gauge of flexible polyurethane foams is in the range of 5～20mm, and the quality of flexible polyurethane foams is at 40～80g In the range of electric fan odor removal in, by the gauge of polyurethane foam is set to above-mentioned scope, can increase poly- The specific surface area of the wall of urethane foam, and can improve and be coated with the polyurethane foam of activated carbon or be mixed into the poly-of active charcoal The foul smell adsorption function of urethane foam such that it is able to make foul smell composition or smoke, the old man contained in the air of inflow electric fan Taste fully and is reliably adsorbed onto the activated carbon being coated in polyurethane foam or is mixed on the activated carbon in polyurethane foam. In electric fan odor removal, the quality of flexible polyurethane foams, in the range of described, so deodorizing screen pack lightens, thus is held Easily carry out work being set or more changing jobs of electric fan odor removal to electric fan, and be prevented from electric fan deodorizing and fill Put and accidentally come off from electric fan.

In electric fan odor removal in the range of 20～40cm/sec for the superficial velocity of flexible polyurethane foams, soft The superficial velocity of polyurethane foam is in the range of described, so deodorizing screen pack will not become the resistance of the air flowing into electric fan Power, can make clear air flow into the flabellum of electric fan unimpededly, and can send swimmingly to electric fan front and pass through deodorizing Screen pack has removed foul smell composition or the clean air of smoke, old man's taste.Further, the air flowing into electric fan will not be worn moment Cross those ventilation path of flexible polyurethane foams, and air can be made to be fully contacted the wall of ventilation path of polyurethane foam, from And can make the foul smell composition containing in air or smoke, old man's taste fully and reliably be adsorbed onto to be coated in polyurethane foam Activated carbon or be mixed on the activated carbon in polyurethane foam.

Package sheet material is to have the net of predetermined screen number or have the electric wind of airstrainer of minute impurities trapping function In fan odor removal, when package sheet material is made up of net, the air flowing into electric fan passes through net, and air flows through and is bearing on the net The ventilation path of flexible polyurethane foams, so the foul smell composition that contains in air or smoke, old man's taste can not only be made reliable Be adsorbed onto the activated carbon being coated in polyurethane foam or be mixed on the activated carbon in polyurethane foam, and dust is caught by net Collection, it is possible to send the clean air removing the stink containing in air and dust to electric fan front.Package panel In the case that material is made up of screen pack, when air flows through screen pack, the tiny dust containing in air or pollen, PM2.5, miscellaneous bacteria Trapped by screen pack Deng impurity such that it is able to send to electric fan front and remove the foul smell containing in air and those impurity Clean air.In addition, impurity without being adhered in the ventilation path of flexible polyurethane foams, it is possible to prevent because impurity is attached The reduction of the deodorization functions causing in the ventilation path of polyurethane foam.

Package sheet material is by the net having predetermined screen number and be positioned in front and back any one side；And there is minute impurities Trapping function and being positioned in front and back in the electric fan odor removal that the airstrainer of any another side is made, nets position In the case that while above, screen pack is positioned at below, the tiny dust containing in air or pollen, PM2.5, miscellaneous bacteria etc. are miscellaneous Matter is trapped by screen pack such that it is able to sends to electric fan front and removes the clean of the foul smell containing in air and those impurity Net air, and be prevented from because those impurity is attached to the deodorization functions that causes in the ventilation path of flexible polyurethane foams Reduction such that it is able to be reliably adsorbed onto the activated carbon being coated in polyurethane foam or the work being mixed in polyurethane foam On property charcoal.In the case that while screen pack is positioned above, net is positioned at below, the air flowing into electric fan passes through net, and air stream Cross the ventilation path being bearing in online flexible polyurethane foams, so foul smell composition or the cigarette containing in air can not only be made Taste, old man's taste are reliably adsorbed onto the activated carbon being coated in polyurethane foam or are mixed on the activated carbon in polyurethane foam, Dust is netted trapping, therefore, it is possible to send the clean sky removing the stink containing in air and dust to electric fan front Gas.In addition, be removed the tiny dust containing in the air of foul smell or pollen, PM2.5, the impurity of miscellaneous bacteria are caught by screen pack Collection such that it is able to send the clean air removing the foul smell containing in air and those impurity to electric fan front.

Brief description

Fig. 1 is the stereogram of the electric fan odor removal representing as a case.

Fig. 2 is the front view of electric fan odor removal.

Fig. 3 is the rearview of electric fan odor removal.

Fig. 4 is the line A-A arrow sectional view of Fig. 2.

Fig. 5 is the line B-B end view drawing of Fig. 2.

Fig. 6 is the enlarged partial isometric view of flexible polyurethane foams.

Fig. 7 is the rear perspective view of the electric fan deodorizing with the state representation being arranged on electric fan.

Fig. 8 is the rearview of the electric fan deodorizing with the state representation being arranged on electric fan.

Fig. 9 is the rear perspective view of the electric fan deodorizing with the state representation being arranged on another electric fan.

Figure 10 is the rearview of the electric fan deodorizing with the state representation being arranged on another electric fan.

Figure 11 is the front view of the electric fan odor removal representing as another example.

Figure 12 is the rearview of electric fan odor removal.

Figure 13 is the line C-C end view drawing of Figure 11.

Figure 14 is the front view of the electric fan odor removal representing as another example.

Figure 15 is the rearview of the electric fan odor removal of Figure 14.

Figure 16 is the front view of the electric fan odor removal representing as another example.

Figure 17 is the rearview of the electric fan odor removal of Figure 16.

Figure 18 is the figure of the mensuration operation of the deodorization functions that electric fan is described.

Figure 19 is the figure of the mensuration operation of the deodorization functions of the electric fan of the upper map interlinking 18 of explanation.

Figure 20 is the figure representing the measurement result relative to ammonia.

Figure 21 is the figure representing the measurement result relative to trimethylamine.

Figure 22 is the figure representing the measurement result relative to methyl mercaptan.

Figure 23 is the figure representing the measurement result relative to hydrogen sulfide.

Figure 24 is the figure representing the measurement result relative to acetic acid.

Figure 25 is the figure representing the measurement result relative to acetaldehyde.

Detailed description of the invention

With reference to the electric fan stereogram i.e. accompanying drawings such as Fig. 1 of odor removal 10A representing as a case, involved by the present invention And electric fan odor removal to be described in detail be then as follows.Should illustrate, Fig. 2 is electric fan odor removal 10A Front view, Fig. 3 is the rearview of electric fan odor removal 10A.Fig. 4 is the line A-A arrow sectional view of Fig. 2, and Fig. 5 is Fig. 2 Line B-B end view drawing.Fig. 6 is the enlarged partial isometric view of the flexible polyurethane foams 20 forming electric fan odor removal 10A.Figure 2nd, with a part of state representation of tear mesh 22 in 3.Fig. 2 is represented radially by arrow X, arrow Y is represented direction of rotation, figure 4th, arrow Z is represented thickness direction in 5.

Electric fan odor removal 10A is removably mountable to the rear protection of electric fan 38A, 38B (with reference to Fig. 7～Figure 11) It on cover 39 motor shells 49 just below, is suitable for removing the stink containing in the air of inflow electric fan 38A, 38B.Electric wind Fan odor removal 10A by have above 11 and below 12 and the deodorizing of the predetermined area removing in air the stink containing filter Net 13；And the scaffold 14 of supporting deodorizing screen pack 13 is formed.Deodorizing screen pack 13 has：There is predetermined area and predetermined thickness The upper area 15 of degree；First side region 16 with predetermined area and predetermined thickness being connected with upper area 15；And with Second side region 17 with predetermined area and predetermined thickness being connected of upper area 15.Deodorizing screen pack 13 (upper area 15 or first and second side region the 16th, 17) have (drawing circular arc) neighboring 18 of ring-type extension and be connected with neighboring 18 from Neighboring 18 to radially inner side away from inner rim 19.

As a case of deodorizing screen pack 13, the 20th, adhered by predetermined by the flexible polyurethane foams with continuous air bubbles Active carbon powder (not shown) and cladding (covering) that agent (binding agent) is bonded on the wall 21 of polyurethane foam 20 are entirely gathered The predetermined screen number gas permeability net 22 (package sheet material) of urethane foam 20 is formed.Flexible polyurethane foams 20 has predetermined thickness simultaneously And there is pliability such that it is able to elastic deformation.

When the wall 21 of flexible polyurethane foams 20 is coated with active carbon powder, application of spraying paint in polyurethane foam 20 is lived Property carbon powder and the compo of sticker, and make this compo be dried, or, in the mixing of active carbon powder and sticker Dip brazing polyurethane foam on coating, and make this compo be dried.It is coated with the flexible polyurethane foams of active carbon powder In 20, the wall 21 of polyurethane foam 20 is laminated with active carbon powder, and is formed at the wall 21 of polyurethane foam 20 Activated carbon cover layer.

As another example of deodorizing screen pack 13 by being formed as follows：There is the flexible polyurethane foams 20 of continuous air bubbles, its Make to be mixed into the foam raw material foaming of active carbon powder；And predetermined screen number gas permeability net 22 (package sheet material), its cladding is whole Polyurethane foam 20.Make to be mixed in the flexible polyurethane foams 20 of the foam raw material foaming of active carbon powder, at polyurethane foam The wall 21 of foam 20 exposes activated carbon.The flexible polyurethane foams 20 being mixed into active carbon powder has predetermined thickness and has Pliability such that it is able to elastic deformation.

It is mixed into the flexible polyurethane foams 20 of active carbon powder and uses and with toluene di-isocyanate(TDI) and polyether polyol etc. be The polyether foam of raw material or the polyester form system with toluene di-isocyanate(TDI) and side chain difference PEPA etc. as raw material Become.Polyurethane foam 20 adds the additive for adjusting bubble diameter etc. in foam raw material, and passes through water and blowing promotor Foam.

Active carbon powder has about 300～5000m²/ g specific surface area, and there is high foul smell adsorption function (include iodine or gas The adsorption function of the radioactive substances such as body shape caesium).Active carbon powder is made up of finely pulverized activated carbon, and its average grain diameter is 5 In～10 μ m.It is processed into the activated carbon of active carbon powder with cocoanut shell or sawdust, hard wood fragment, charcoal, the peat composed of rotten mosses etc. Make for raw material.Active carbon powder relative to the mixed proportion of foam raw material is, relative to foam raw material 100 weight %, lives Property carbon powder is 80～180 weight %, and preferably with respect to foam raw material 100 weight %, active carbon powder is 100～150 weights Amount %.

Flexible polyurethane foams 20 has the multiple ventilation path being present in face before and after deodorizing screen pack 13 the 11st, between 12 23；And be connected with ventilation path 23 and at multiple ventilating openings 24 (with reference to Fig. 6) of front-back the 11st, 12 openings.Those ventilation path 23 are enclosed It is wound on the wall 21 of polyurethane foam 20 and be divided in polyurethane foam 20 inside.

Those ventilation path 23 before deodorizing screen pack 13 between 11 and below 12 while to the thickness of polyurethane foam 20 Degree direction irregularly bends while extending, and to poly-ammonia between the neighboring 18 and inner rim 19 of deodorizing screen pack 13 The radial direction of ester foam 20 irregularly bends while extending.To those ventilation path 23 that are radially adjacent and that extend to thickness direction bending Local-connection diametrically, and a ventilation path 23 is interconnected with another ventilation path 23.Adjoin to thickness direction and to radially Those ventilation path 23 local-connections in a thickness direction that bending extends, and a ventilation path 23 and the interconnection of another ventilation path 23 phase Logical.

The aperture area of those ventilation path 23 differs towards thickness direction, and towards thickness direction, irregular change occurs Change, and be radially oriented and differ, and be radially oriented the irregular change of generation.The aperture area of those ventilation path 23 is while increasing Or reduce, to the irregular opening of thickness direction and radial direction.Further, the face of those ventilating openings 24 being connected with ventilation path 23 Amassing and differing, its area is different.

The gauge of flexible polyurethane foams 20 is in the range of 5～20mm, preferably in the range of 10～15mm.Polyurethane When the gauge of foam 20 is less than 5mm, it is impossible to increase the specific surface area of the wall 21 of polyurethane foam 20, and painting cannot be improved The polyurethane foam 20 being furnished with active carbon powder or the foul smell adsorption function of the polyurethane foam 20 being mixed into active carbon powder.If The gauge of polyurethane foam 20 is more than 20mm, then the air drag of polyurethane foam 20 is relatively big, and deodorizing screen pack 13 becomes For flowing into the resistance of the air of the flabellum 41 of electric fan 38A, 38B, it is impossible to make clear air flow into electric fan 38A, 38B unimpededly Flabellum 41.

The gauge of flexible polyurethane foams 20 within the above range, it is possible to increase polyurethane foam 20 wall The specific surface area of 21, and the polyurethane foam 20 being coated with active carbon powder or the poly-ammonia being mixed into active carbon powder can be improved The foul smell adsorption function of ester foam 20, and can by flow in the air of electric fan 38A, 38B the foul smell composition that contains or smoke, Old man's taste is fully adsorbed onto the activated carbon being coated in polyurethane foam 20 or is mixed on the activated carbon in polyurethane foam 20.And And, polyurethane foam 20 will not become the resistance of the air of the flabellum 41 flowing into electric fan 38A, 38B such that it is able to makes air smooth The logical flabellum 41 flowing into electric fan 38A, 38B unimpededly.

The quality of flexible polyurethane foams 20 is in the range of 40～80g.In deodorizing screen pack 13, the matter of polyurethane foam 20 Amount is in the range of described such that it is able to mitigate deodorizing screen pack 13, it is possible to easily install electric wind on electric fan 38A, 38B Fan odor removal 10A, and easily can dismantle electric fan odor removal 10A from electric fan 38A, 38B, thus easily to electricity Fan 38A, 38B carry out arranging work or more changing jobs of electric fan odor removal 10A, and are prevented from electric fan with removing Smelly device 10A comes off accidentally from electric fan 38A, 38B.

The superficial velocity of flexible polyurethane foams 20 is in the range of 20～40cm/sec, preferably in 25～35cm/sec scope In.When the superficial velocity of polyurethane foam 20 is less than 20cm/sec, air cannot flow through polyurethane foam 20 unblockedly, and Polyurethane foam 20 becomes the resistance of the air flowing into electric fan 38A, 38B, thus clear air cannot be made to flow into electricity unimpededly The flabellum 41 of fan 38A, 38B.If the superficial velocity of polyurethane foam 20 is more than 40cm/sec, then flow into electric fan 38A, 38B Air pass rapidly through the ventilation path 23 of polyurethane foam 20, and air cannot be made to be fully contacted the wall of polyurethane foam 20 21, thus the foul smell composition containing in air or smoke, old man's taste cannot be made fully to be adsorbed onto and be coated in polyurethane foam 20 Activated carbon or be mixed on the activated carbon in polyurethane foam 20.

In deodorizing screen pack 13, the superficial velocity of polyurethane foam 20 is in the range of described, so deodorizing screen pack 13 is not The resistance of the air flowing into electric fan 38A, 38B can be become, clear air can be made to flow into the fan of electric fan 38A, 38B unimpededly Leaf 41, thus sent swimmingly to electric fan 38A, 38B front by deodorizing screen pack 13 and removed foul smell composition or smoke, old The clean air of tasty.Further, the air entering electric fan 38A, 38B will not pass rapidly through the ventilation path of polyurethane foam 20 24, and air can be fully contacted the wall 21 of polyurethane foam 20 such that it is able to make foul smell composition or the cigarette containing in air Taste, old man's taste fully and are reliably adsorbed onto the activated carbon being coated in polyurethane foam 20 or are mixed in polyurethane foam 20 On activated carbon.

Gas permeability net 22 has predetermined screen number.Gas permeability net 22 for example can use 24 sieve apertures or 32 sieve apertures etc..Ventilative In property net 22, the part extending from the neighboring 18 of deodorizing screen pack 13 to radial outside is sewn, and from deodorizing screen pack 13 The part that extends to radially inner side of inner rim 19 be sewn.Should illustrate, those parts also can the set by heat fused.

Scaffold 14 is made up of plastic plate or metallic plate, and is positioned at the outside of gas permeability net 22.Scaffold 14 is by such as Lower formation：Lateral frame 25, its along the upper area 15 of deodorizing screen pack 13 and first and second side region the 16th, 17 neighboring 18 extend；Inner frame 26, its be connected with lateral frame 25 and to the upper area 15 of deodorizing screen pack 13 and first and second Side region the 16th, 17 inner rim 19 extend；And framework 27, it is positioned at 11 sides before deodorizing screen pack 13, and with outside Framework 25 is connected with inner frame 26 and extends to radial alignment shape.

Lateral frame 25 has：Before deodorizing screen pack 13,11 to the first periphery frame of the ring-type extension of direction of rotation 28；12 lateral bucklings after from the first periphery frame towards deodorizing screen pack 13, and to rotation side between above 11 and below 12 To the second periphery frame 29 of ring-type extension；And 12 bending after from the second periphery frame 29 towards deodorizing screen pack 13, and rear Face 12 is to the 3rd periphery frame 30 of the ring-type extension of direction of rotation.Lateral frame 25 (the first～the 3rd periphery frame 28～30) is with in the past Face 11 (simultaneously) encases deodorizing screen pack 13 (including the polyurethane foam 20 of gas permeability net 22) towards below 12 (another sides) The mode of neighboring 18 extends.

Inner frame 26 has：11 the first inner circumferential frame 31 extending before deodorizing screen pack 13；From the first inner circumferential frame 31 towards 12 lateral bucklings after deodorizing screen pack 13, and the second inner circumferential frame 32 forwardly extending between 11 and below 12；And 12 bending after from the second inner circumferential frame 32 towards deodorizing screen pack 13, and 12 the 3rd inner circumferential frame 33 extending rearwards.Inner side Framework 26 (the first～the 3rd inner circumferential frame 31～33) filters to encase deodorizing from above 11 (simultaneously) towards below 12 (another sides) The mode of the inner rim 18 of net 13 (including the polyurethane foam 20 of gas permeability net 22) extends.

Divide to have between first side region 16 of deodorizing screen pack 13 and the second side region 17 and be centered around inner frame 26 Space 34.The width dimensions in space 34 is less times greater than the motor shell 40 of electric fan 38A, 38B.Top to deodorizing screen pack 13 It is formed for electric fan odor removal 10A is bonded to motor shell removably in the inner frame 26 that region 15 extends The set mechanism 35 of 40.Set mechanism 35 is the machinery being formed by snap part 36 (common unit) and annular element 37 (auxiliary assembly) Securing member.In machanical fastener, snap part 36 is bonded to the second inner circumferential frame of inner frame 26 by adhesive (not shown) 32, and annular element 37 engages with snap part 36.The inside of annular element 37 is coated with adhesive (not shown), its adhesive It is stripped paper (not shown) covering protection.Should illustrate, set mechanism 35 also can be anchor at inner frame 26 second in Double faced adhesive tape on all frames 32.

Fig. 7 is that Fig. 8 is with the electric fan rear perspective view of deodorizing 10A of the state representation being arranged on electric fan 38A The electric fan rearview of deodorizing 10A of the state representation to be arranged on electric fan 38A.Fig. 9 is to be arranged on another electric wind The electric fan rear perspective view of deodorizing 10A of the state representation on fan 38B, Figure 10 is the shape to be arranged on electric fan 38B The electric fan that state the represents rearview of deodorizing 10A.

In the operation be arranged on electric fan odor removal 10A on electric fan 38A, a case is as follows.Inside anchoring at The annular element 37 of the machanical fastener (set mechanism 35) on the second inner circumferential frame 32 of framework 26 is peeled off lower peeling paper and is exposed Adhesive, and with first side region 16 and the second side region 17 of deodorizing screen pack 13 across the motor shell at electric fan 38A Mode on 40 makes motor shell 40 be positioned at space 34, then, by adhesive, mechanical fixed part anchors at handle 43 (handle), on, this handle is formed at the top 42 of rear protective cover 39 motor shell 40 just below.If on handle 43 Set machanical fastener, then fan odor removal 10A is arranged on electric fan 38A.

If being arranged on electric fan odor removal 10A on electric fan 38A, then upper area 15 He of deodorizing screen pack 13 First and second side region the 16th, 17 be positioned at rear protective cover 39 just after, and upper area 15 is positioned at the rear protection at electric fan 38A Cover directly over the top 42 of 39 motor shells 40 just existing below and surround the top 42 of motor shell 40, the first side region 16 Extend downwards from upper area 15 towards the pedestal 44 of electric fan 38A, and be positioned at motor shell 40 a sidepiece 45 one Side the sidepiece 45 surrounding motor shell 40.Second side region 17 is from upper area 15 towards the pedestal 44 of electric fan 38A Extend downwards, and be positioned at the side of another sidepiece 46 of motor shell 40 and surround another sidepiece of motor shell 40 46.

Electric fan is with in odor removal 10A, when it is installed on electric fan 38A, and upper area 15 He of deodorizing screen pack 13 First and second side region the 16th, 17 neighboring 18 (the second periphery frame 28 of lateral frame 25) be positioned at the flabellum of electric fan 38A Near the radial front end portion 47 of 41.Electric fan, with in odor removal 10A, flows into the substantially whole region of flabellum 41 of electric fan 38A All air pass through deodorizing screen pack 13, and the substantially all air sent from electric fan 38A are cleaned.

One case of the operation that electric fan odor removal 10A is arranged on electric fan 38B is as follows.From anchoring at inner side frame The annular element 37 of the machanical fastener (set mechanism 35) on the second inner circumferential frame 32 of frame 26 is peeled off lower peeling paper and is exposed viscous Mixture, and with first side region 16 and the second side region 17 of deodorizing screen pack 13 across the motor shell 40 at electric fan 38B On mode make motor shell 40 be positioned at space 34.Then, by adhesive mechanical fixed part anchored at and be positioned at rear protective cover The top 42 of 39 motor shells 40 just below.If set machanical fastener on the top 42 of motor shell 40, then fan is used Odor removal 10A is arranged on electric fan 38B.

If installing electric fan odor removal 10A on electric fan 38B, then the upper area 15 and the of deodorizing screen pack 13 One and second side region the 16th, 17 be positioned at rear protective cover 39 just after, and upper area 15 is positioned at the rear protective cover at electric fan 38A Directly over the top 42 of the motor shell 40 that 39 just exist below and surround the top 42 of motor shell 40.First side region 16 from Upper area 15 extends downwards towards the pedestal 44 of electric fan 38B, and is positioned at the side of a sidepiece 45 of motor shell 40 And surround 40 1 sidepieces 45 of motor shell.Second side region 17 is downward towards the pedestal 44 of electric fan 38B from upper area 15 Fang Yanshen, and be positioned at the side of another sidepiece 46 of motor shell 40 and surround another sidepiece 46 of motor shell 40.

Should illustrate, the size (diameter) of the electric fan odor removal 10A being arranged on electric fan 38B is more than being arranged on Electric fan on electric fan 38A odor removal 10A.With regard to electric fan odor removal 10A, when it is arranged on electric fan 38B, The upper area 15 of deodorizing screen pack 13 and first and second side region the 16th, 17 neighboring 18 (outside the second of lateral frame 25 All frames 28) it is positioned at the neighboring 48 (the second periphery frame 29 of rear protective cover 39) of rear protective cover 39 and the flabellum 41 of electric fan 38B Radial front end portion 47 between.Electric fan is with in odor removal 10A, from the substantially whole district of the rear protective cover 39 of electric fan 38B All air that territory flows into pass through deodorizing screen pack 13, and the substantially all air sent from electric fan 38B are cleaned.

After electric fan odor removal 10A is installed on the handle 43 of the motor shell 40 of electric fan 38A or at electricity After electric fan odor removal 10A is installed at the top 42 of the motor shell 40 of fan 38B, by the switch of electric fan 38A, 38B Be set to ON, then flabellum 41 is rotated by motor, thus air flows into flabellum 41 from rear protective cover 39 rear.Now, air passes through Deodorizing screen pack 13.Air pass through gas permeability net 22, and from the ventilating opening 24 of flexible polyurethane foams 20 enter ventilation path 23 it After, flow out from the ventilating opening 24 of polyurethane foam 20 through ventilation path 23, and again pass through gas permeability net 22 and flow into electric fan The flabellum 41 of 38A, 38B.Should illustrate, ventilation path 23 is not advised to thickness direction and radial direction in polyurethane foam 20 inside Then bending is while extending, so reliably contacting (collision) through the air of ventilation path 23 with the wall 21 of polyurethane foam 20.

When air passes through gas permeability net 22, the dust containing in air is trapped by net 22, from the air removing dust Enter the ventilation path 23 of polyurethane foam 20 (deodorizing screen pack 13).The air entering ventilation path 23 is flowing through while to thickness side To or bent radial while extend ventilation path 23 during contact (collision) with the wall 21 of polyurethane foam 20, in air (the alkaline foul smell with ammonia, trimethylamine or the nitrogen-containing compound such as triethylamine, trialkylamine as main component becomes the foul smell composition containing Point, the sulfur-containing compound such as hydrogen sulfide or methyl sulfide, dimethyl disulfide, methyl mercaptan, with formaldehyde or acetaldehyde, butyraldehyde, valeral, propionic aldehyde etc. Aldehydes is the neutral foul smell composition of main component, wants composition based on the lower aliphatic acids such as formic acid or acetic acid, propionic acid, valeric acid Acid foul smell composition, toluene or dimethylbenzene, butanol, methyl iso-butyl ketone (MIBK)) or smoke, old man's taste be adsorbed in ventilation path 23 Formed active carbon powder cover layer or in the active carbon powder that ventilation path 23 exposes.

Electric fan odor removal 10A coating on the wall 21 of flexible polyurethane foams 20 forming deodorizing screen pack 13 Active carbon powder, or it is mixed into active carbon powder in polyurethane foam 20, so from the rear protective cover 39 of electric fan 38A, 38B Towards flabellum 41 leaked-in air flow through the multiple ventilation path 23 being formed in polyurethane foam 20 when, air and polyurethane foam The wall 21 (activated carbon) contact (collision) of 20, thus the foul smell composition containing in air or smoke, old man's taste are adsorbed to work Property charcoal in, it is possible to reliably remove the foul smell composition that contains or smoke, old man in the air flowing into electric fan 38A, 38B Taste.

Electric fan is with in odor removal 10A, and the gas permeability net 22 that whole polyurethane foam 20 is had multiple mesh is coated with, When the air of inflow electric fan 38A, 38B passes through net 22, the dust containing in air is trapped by net 22, it is possible to prevent dust It is attached in the ventilation path 23 of polyurethane foam 20, and be prevented from because dust is attached in ventilation path 23 activated carbon that causes The reduction of foul smell adsorption function.Electric fan odor removal 10A by activated carbon remove in air the foul smell composition containing or Smoke, Lao Renwei, it is possible to form the clean air having removed those stinks, and can be by electric fan 38A, 38B While air-supply, send the air of odorless and cleaning to electric fan 38A, 38B front.

Electric fan is with in odor removal 10A, and the ventilation path 23 of polyurethane foam 20 is to thickness direction and does not radially advise Then bending extension on one side, and adjacent ventilation path 23 is at thickness direction and radially local-connection, so existing with ventilation path 19 The situation that above between 14 and below 15, linearity extends is compared, and can lengthen the total of ventilation path 23 within polyurethane foam 20 Long, and the specific surface area of the wall 21 of polyurethane foam 20 can be strengthened such that it is able to improve the poly-ammonia being coated with activated carbon Ester foam 20 or the foul smell adsorption function of polyurethane foam 20 being mixed into active charcoal, and can make inflow electric fan 38A, The foul smell composition containing in the air of 38B or smoke, old man's taste fully and are reliably adsorbed onto on activated carbon.

Electric fan, with in odor removal 10A, enters the air velocity of the flabellum 41 of electric fan 38A, 38B from rear protective cover 39 Relatively slow, and air slowly flows across the ventilation path 23 of polyurethane foam 20, it is possible to extend air relative to polyurethane foam 20 Time of contact of wall 21 (activated carbon) such that it is able to be reliably adsorbed onto the stink containing in air on activated carbon.Electricity Fan is with in odor removal 10A, after when electric fan 24 operates, room air flows through the ventilation path 23 of polyurethane foam 20, then The secondary ventilation path 23 flowing through polyurethane foam 20, thus air can flow through the ventilation path 23 of (circulation) polyurethane foam 20 repeatedly, So room air is gradually purified by deodorizing screen pack 13, can fully be sent out by long time running electric fan 38A, 38B Wave its deodorization functions.

Figure 11 is the electric fan front view of odor removal 10B representing as another example, and Figure 12 is the electric fan of Figure 11 Rearview with odor removal 10B.Figure 13 is the line C-C end view drawing of Figure 11.Figure 11, in 12, a part of with tear mesh 22 State representation.Figure 11 is represented radially by arrow X, arrow Y is represented direction of rotation, Tu13Zhong, arrow Z is represented thickness side To.The difference of the device of this electric fan odor removal 10B and Fig. 1 is, whole flexible polyurethane foams 20 is had micro- The screen pack 49 (airstrainer) cladding (covering) of small impurities trapping function, another structure respectively with the electric fan of Fig. 1 with removing In smelly device 10A, those are identical, so giving the symbol identical with the electric fan odor removal 10A of Fig. 1, and by application The explanation of odor removal 10A of the electric fan of Fig. 1, omits the detailed description of other structures of this electric fan odor removal 10B.

Electric fan odor removal 10B is removably mountable to the rear guarantor of electric fan 38A, 38B upper (with reference to Fig. 7～Figure 10) It on guard shield 39 motor shell 49 just below, is suitable for removing the stink containing in the air of inflow electric fan 38A, 38B.Electricity Fan odor removal 10B is by having above 11 and below 12 and the deodorizing of predetermined area of removing in air the stink containing Filter screen 13；And the scaffold 14 of supporting deodorizing screen pack 13 is formed.The electric fan odor removal of scaffold 14 and Fig. 1 Identical in 10A.

Deodorizing screen pack 13 has：Upper area the 15th, the first and second side region the 16th, 17；The neighboring 18 of ring-type extension； And from neighboring 18 to radially inner side away from inner rim 19.As a case of deodorizing screen pack 13, by having continuous air bubbles The 20th, flexible polyurethane foams anchors at the active carbon powder on the wall 21 of polyurethane foam 20 and bag by predetermined sticker The airstrainer 49 (package sheet material) covering whole polyurethane foam 20 is formed.As another example of deodorizing screen pack 13, by making It is mixed into the flexible polyurethane foams 20 with continuous air bubbles of the foam raw material foaming of active carbon powder and be coated with whole poly-ammonia The airstrainer 49 of ester foam 20 is formed.

Polyurethane foam 20 is identical with electric fan odor removal 10A.The gauge of flexible polyurethane foams 20 Or quality, superficial velocity are identical with electric fan odor removal 10A.First side region 16 and second of deodorizing screen pack 13 Dividing between side region 17 has the space 34 being centered around inner frame 26.Extend to the upper area 15 of deodorizing screen pack 13 Machinery for anchoring at electric fan odor removal 10B removably on motor shell 40 is installed tight in inner frame 26 Firmware.

Airstrainer 49 can use the middle high-performance filtration net of more than 25 μm particles of trapping, trapping more than 0.3 μm Grain HEPA screen pack in any one.In screen pack 49, portion from the neighboring 18 of deodorizing screen pack 13 to radial outside that extend from Divide and be sewn, and the part extending from the inner rim 19 of deodorizing screen pack 13 to radially inner side is sewn.Should illustrate, those portions Dividing also can the set by heat fused.

Electric fan odor removal 10B is arranged on electric fan by the operation identical with electric fan odor removal 10A On 38A, 38B.If being arranged on electric fan odor removal 10B on electric fan 38A, then the upper area 15 of deodorizing screen pack 13 With first and second side region the 16th, 17 neighboring 18 (the second periphery frame 28 of lateral frame 25) be positioned at the fan of electric fan 38A Near the radial front end portion 47 of leaf 41.The size (diameter) of the electric fan odor removal 10B being arranged on electric fan 38B is more than The electric fan being arranged on electric fan 38A odor removal 10B, if being arranged on electric fan by electric fan odor removal 10A 38B, then the upper area 15 of deodorizing screen pack 13 and first and second side region the 16th, 17 neighboring 18 (lateral frame 25 Second periphery frame 28) it is positioned at the neighboring 48 (the second periphery frame 29 of rear protective cover 39) of rear protective cover 39 and electric fan 38B Between the radial front end portion 47 of flabellum 41.

After electric fan odor removal 10B is installed on the handle 43 of the motor shell 40 of electric fan 38A, or at electricity After electric fan odor removal 10B is installed at the top 42 of the motor shell 40 of fan 38B, by the switch of electric fan 38A, 38B Be set to ON, then flabellum 41 rotate and air from rear protective cover 39 rear flow into flabellum 41.Now, air passes through deodorizing screen pack 13.When air passes through screen pack 49, the impurity such as the tiny dust containing in air or pollen, PM2.5, miscellaneous bacteria is caught by screen pack 49 Collection.The removed air of those impurity after the ventilating opening 24 of flexible polyurethane foams 20 enters ventilation path 23, Jing Guotong Wind path 23 flows out from the ventilating opening 24 of polyurethane foam 20, and again passes through screen pack 49 and the fan that flows into electric fan 38A, 38B Leaf 41.

The air of the ventilation path 23 entering flexible polyurethane foams 20 is flowing through while to thickness direction or bent radial one (collision) is contacted with the wall 21 of polyurethane foam 20, the foul smell composition containing in air during the ventilation path 23 that limit extends Or smoke, old man's taste are adsorbed to the work that is formed at the cover layer of the active carbon powder in ventilation path 23 or exposes in ventilation path 23 In property carbon powder.

Electric fan odor removal 10B coating on the wall 21 of flexible polyurethane foams 20 forming deodorizing screen pack 13 Active carbon powder, or it is mixed into active carbon powder in polyurethane foam 20, so from the rear protective cover 39 of electric fan 38A, 38B Towards flabellum 41 leaked-in air when flowing through the multiple ventilation path 23 being formed in polyurethane foam 20, air and polyurethane foam The wall 21 (activated carbon) contact (collision) of foam 20, thus the foul smell composition containing in air or smoke, old man's taste are by activated carbon Absorption, flows into the foul smell composition containing in the air of electric fan 38A, 38B or smoke, Lao Renwei it is possible to reliably remove.

In electric fan odor removal 10B, whole polyurethane foam 20 is by the airstrainer 49 of the trapping of minute impurities Cladding, flows into the air of electric fan 38A, 38B when passing through screen pack 49, the tiny dust containing in air or pollen, PM2.5, The impurity such as miscellaneous bacteria are trapped by screen pack 49, it is possible to prevent impurity to be attached to the ventilation path 23 of polyurethane foam 20, and can Prevent because dust is attached in ventilation path 23 reduction of the foul smell adsorption function of the activated carbon causing.Electric fan odor removal 10B is removed those impurity containing in air by screen pack 49, and is removed the foul smell one-tenth containing in air by activated carbon Divide or smoke, Lao Renwei, it is possible to form the clean air having removed those impurity or stink, and electric wind can passed through While fan 38A, 38B air-supply, send the air of odorless and cleaning to electric fan 38A, 38B front.

Electric fan is with in odor removal 10B, and the ventilation path 23 of polyurethane foam 20 is to thickness direction and does not radially advise Then bending extension on one side, and adjacent ventilation path 23 is at thickness direction and radially local-connection, so existing with ventilation path 19 The situation that above between 14 and below 15, linearity extends is compared, and can lengthen the total of ventilation path 23 within polyurethane foam 20 Long, and the specific surface area of the wall 21 of polyurethane foam 20 can be strengthened such that it is able to improve the poly-ammonia being coated with activated carbon Ester foam 20 or the foul smell adsorption function of polyurethane foam 20 being mixed into active charcoal, and can make inflow electric fan 38A, The foul smell composition containing in the air of 38B or smoke, old man's taste fully and are reliably adsorbed onto on activated carbon.

Electric fan, with in odor removal 10B, enters the air velocity of the flabellum 41 of electric fan 38A, 38B from rear protective cover 39 Relatively slow, and air slowly flows across the ventilation path 23 of polyurethane foam 20, it is possible to extend air relative to polyurethane foam 20 Time of contact of wall 21 (activated carbon), and the stink containing in air can be made reliably to be adsorbed onto on activated carbon.Electric wind Fan is used in odor removal 10B, after when electric fan 24 operates, room air flows through the ventilation path 23 of polyurethane foam 20, again Flow through the ventilation path 23 of polyurethane foam 20, thus air can flow through the ventilation path 23 of (circulation) polyurethane foam 20, institute repeatedly Gradually purified by deodorizing screen pack 13 with room air, can be given full play to by long time running electric fan 38A, 38B Its deodorization functions.

Figure 14 is the front view with odor removal 10C for the electric fan representing another example, and Figure 15 is that the electric fan of Figure 14 is with removing The rearview of smelly device 10C.Figure 14, in 15 with a part of state representation of tear mesh 22 and screen pack 49.This electric fan is used Odor removal 10C is with the difference in Fig. 1 or Figure 11, and the one side of flexible polyurethane foams 20 is had minute impurities trapping The airstrainer 49 (package sheet material) of function is coated with (covering), and the another side of polyurethane foam 20 is had predetermined screen number Gas permeability net 22 (package sheet material) cover, the phase in odor removal 10A, 10B for the electric fan of other structures and Fig. 1 or Figure 11 With so giving the symbol identical with electric fan odor removal 10A, 10B of Fig. 1 or Figure 11, and by application drawing 1 or figure The electric fan of 11 explanation of odor removal 10A, 10B, omits the explanation of other structures of this electric fan odor removal 10C.

Electric fan odor removal 10C is removably mountable to the rear protection of electric fan 38A, 38B (with reference to Fig. 7～Figure 10) It on cover 39 motor shells 49 just below, and is suitable for being used in the air of removal inflow electric fan 38A, 38B the stink containing. Should illustrate, electric fan odor removal 10C is arranged on electric fan by the operation identical with electric fan odor removal 10A On 38A, 38B.Electric fan odor removal 10C is by having above 11 and below 12 and remove in air the predetermined of the stink containing The scaffold 14 of the deodorizing screen pack 13 of area and supporting deodorizing screen pack 13 is formed.Deodorizing screen pack 13 or scaffold 14 is identical with the electric fan odor removal 10B of electric fan odor removal 10A or Figure 11 of Fig. 1.

Airstrainer 49 is identical with use in the electric fan odor removal 10B of Figure 11, and is positioned at deodorizing screen pack Before 13.Gas permeability net 22 is identical with use in the electric fan odor removal 10A of Fig. 1, and is positioned at deodorizing screen pack 13 After.In screen pack 49 and net 22, the part extending from the neighboring 18 of deodorizing screen pack 13 to radial outside is sewn, and The part extending from the inner rim 19 of deodorizing screen pack 13 to radially inner side is sewn.Should illustrate, those parts also can be led to Cross heat fused and set.

Electric fan is with in odor removal 10C, and the one side (before deodorizing screen pack 13) of polyurethane foam 20 is by air mistake Filter screen 49 is coated with, and flows into the air of electric fan 38A, 38B when passing through screen pack 49, the tiny dust containing in air or pollen, The impurity such as PM2.5, miscellaneous bacteria is trapped by screen pack 49.Electric fan is with in odor removal 10C, and those impurity containing in air pass through Screen pack 49 is removed, and the foul smell composition that contains in air or smoke, old man's taste are removed by activated carbon, it is possible to Form the clean air having removed those impurity or those stinks, and can while being blown by electric fan 38A, 38B, Send the air of odorless and cleaning to electric fan 38A, 38B front.

Figure 16 is the front view with odor removal 10D for the electric fan representing another example, and Figure 17 is that the electric fan of Figure 16 is with removing The rearview of smelly device 10D.Figure 16, in 17 with a part of state representation of tear mesh 22 and screen pack 49.This electric fan is used Odor removal 10D is with the difference in Fig. 1 or Figure 11, and the one side of flexible polyurethane foams 20 is had predetermined screen number Gas permeability net 22 (package sheet material) covers, and the another side of polyurethane foam 20 is had the air mistake of minute impurities trapping function Filter screen 49 (package sheet material) is coated with (covering), the phase in odor removal 10A, 10B for the electric fan of other structures and Fig. 1 or Figure 11 With so giving the symbol identical with electric fan odor removal 10A, 10B of Fig. 1 or Figure 11, and by application drawing 1 or figure The electric fan of 11 explanation of odor removal 10A, 10B, omits the explanation of other structures of this electric fan odor removal 10D.

Electric fan odor removal 10D is removably mountable to the rear guarantor of electric fan 38A, 38B upper (with reference to Fig. 7～Figure 11) Guard shield 39 motor shell 49 just below, and be suitable for being used in the air of removal inflow electric fan 38A, 38B the stink containing. Should illustrate, electric fan odor removal 10D is arranged on electric fan by the operation identical with electric fan odor removal 10A On 38A, 38B.Electric fan odor removal 10D is by having above 11 and below 12 and remove in air the predetermined of the stink containing The scaffold 14 of the deodorizing screen pack 13 of area and supporting deodorizing screen pack 13 is formed.Deodorizing screen pack 13 or scaffold 14 is identical with the electric fan odor removal 10B of electric fan odor removal 10A or Figure 11 of Fig. 1.

Gas permeability net 22 is identical with use in the electric fan odor removal 10A of Fig. 1, and is positioned at deodorizing screen pack 13 Above.Airstrainer 49 is identical with use in the electric fan odor removal 10B of Figure 11, and is positioned at deodorizing screen pack 13 Below.In net 22 and screen pack 49, the part extending from the neighboring 18 of deodorizing screen pack 13 to radial outside is sewn, and from The part that the inner rim 19 of deodorizing screen pack 13 extends to radially inner side is sewn.Should illustrate, those parts also can be passed through Heat fused and set.

Electric fan is with in odor removal 10D, and the another side (after deodorizing screen pack 13) of polyurethane foam 20 is by air Screen pack 49 is coated with, when the air of inflow electric fan 38A, 38B passes through screen pack 49, and the tiny dust containing in air or flower The impurity such as powder, PM2.5, miscellaneous bacteria are trapped by screen pack 49.Electric fan with in odor removal 10C, those impurity of containing in air It is removed by screen pack 49, and the foul smell composition that contains in air or smoke, old man's taste are removed by activated carbon, so Can form the clean air having removed those impurity or those stinks, and can blown by electric fan 38A, 38B Meanwhile, the air of odorless and cleaning is sent to electric fan 38A, 38B front.

Figure 18 is the figure of the mensuration operation of the deodorization functions that electric fan odor removal 10A～10D is described, Figure 19 is explanation The figure of the mensuration operation of the deodorization functions of the electric fan of upper map interlinking 18 odor removal 10A～10D.On electric fan 38A, 38B Electric fan odor removal 10A～10D is installed, and the survey of the deodorization functions (foul smell adsorption function) of foul smell gas is carried out to each Fixed.Should illustrate, electric fan odor removal 10A～10D with odor removal 10A → odor removal 10B → odor removal 10C → The order of odor removal 10D is arranged at electric fan 38A, 38B and measures the deodorization functions (gas detecting tube method) of those.

Use in mensuration measures case 60 for the hexahedron (cube) being made by transparent propene, length L1 on each limit, L2, L3 are 1m and its volume is 1m³.Measure as first and use the electric fan being provided with electric fan odor removal 10A～10D 38A, 38B, measure as second and use electric fan 38A, the 38B being not provided with electric fan odor removal 10A～10D.Enter one Step, measures the empty mensuration not using electric fan odor removal 10A～10D or electric fan 38A, 38B as the 3rd.

In the first mensuration according to gas detecting tube method, each electric fan odor removal 10A～10D is located at electric fan After the motor shell 40 (handle 43 or top 42) of 38A, 38B, the electricity of electric fan odor removal 10A～10D will be provided with It is internal that fan 38A, 38B and stirring vane (not shown) are accommodated in Figure 19, the mensuration case 60 shown in 20.Then, stirring vane is made Run, and in the way of becoming set gas concentration, (Co., Ltd.'s Gastec (GASTEC) is made to use gas detecting tube 61 Or bright Physicochemical Industrial Co., Ltd system) to measuring, case 60 is internal injects mensuration foul smell gas (ammonia gas, trimethylamine gas Body, methyl mercaptan gas, hydrogen sulfide gas, acetic acid gas, aldehydes gas).Make to be provided with electric fan odor removal 10A～10D Electric fan 38A, 38B operating (air quantity：Gentle breeze), and use gas detecting tube 61 internal to measuring case 60 by each elapsed time Gas concentration be measured.

In the second mensuration according to gas detecting tube method, the electricity of electric fan odor removal 10A～10D will be not provided with It is internal that fan 38A, 38B (only electric fan 38A, 38B) and stirring vane (not shown) are accommodated in mensuration case 60.Then, stirring is made Blade movement, and in the way of becoming set gas concentration, use gas detecting tube 61 to survey to measuring internal injection of case 60 Surely foul smell gas (ammonia gas, trimethylamine gas, methyl mercaptan gas, hydrogen sulfide gas, acetic acid gas, aldehydes gas) is used.Make electricity Fan 38A, 38B operate (air quantity：Gentle breeze), and use gas detecting tube 61 by each elapsed time to the gas measuring within case 60 Bulk concentration is measured.

In the 3rd mensuration according to gas detecting tube method, not by electric fan odor removal 10A～10D or electric fan 38A, 38B are accommodated in and measure case 60 internal (measuring case 60 internal for empty state), and only receive stirring vane (not shown) Measuring inside case 60.Then, make stirring vane operate, and in the way of becoming set gas concentration, use gas to examine To measuring, case 60 is internal injects mensuration foul smell gas (ammonia gas, trimethylamine gas, methyl mercaptan gas, stink damp to test tube 61 Body, acetic acid gas, aldehydes gas).Use gas detecting tube 61 by each elapsed time to the gas concentration measuring within case 60 It is measured.

Figure 20 is the figure representing the measurement result relative to ammonia.Mensuration ammonia gas uses by ammoniacal liquor (the 28%th, superfine) (little Ancestor chemicals Co., Ltd.) ammonia gas that generates.It is ammonia (initial vapor concentration relative to the condition determination of ammonia：About 30ppm), Temperature conditions (room temperature), minute (0 minute, 10 minutes, 30 minutes, 1 hour, 3 hours, 6 hours, but, low in measured value Terminate in the moment of lower limit of quantitation (1ppm)).

As shown in figure 20, when the elapsed time is 0 minute, in the first～the 3rd mensuration, the concentration of ammonia gas is 30ppm, but After 1 hour, in the first mensuration, the concentration of ammonia gas is reduced to 18ppm, after 3 hours, and ammonia gas in the first mensuration Concentration is reduced to 15ppm, and after 6 hours, in the first mensuration, the concentration of ammonia gas is reduced to 12ppm.Compare in the first mensuration, After 6 hours, the concentration of ammonia gas reduces to about the 1/3 of initial vapor concentration, and during second and third measures, does not finds ammonia The concentration of gas declines to a great extent.

Being clear that from Figure 20, electric fan 38A, 38B of being provided with electric fan odor removal 10A～10D can be reliable Ground reduces the concentration of ammonia gas, and has the effect effectively removing ammonia smelly (dung urinates smelly or smoke).Therefore, electric fan deodorizing Device 10A～10D by being arranged in electric fan 38A, 38B use, can reliably remove air contains dung urine smelly or Smoke.Further, by making to be provided with electric fan 38A, 38B operating scheduled time of electric fan odor removal 10A～10D, energy Enough dung containing in air of reliably removing urinate smelly or smoke.

Figure 21 is for representing the figure of the measurement result relative to trimethylamine.Mensuration trimethylamine gas uses water-soluble by trimethylamine The trimethylamine gas that liquid (28%) (Tokyo HuaCheng Industry Co., Ltd) generates.It is trimethylamine relative to the condition determination of trimethylamine (initial vapor concentration：About 20ppm), temperature conditions (room temperature), minute (0 minute, 10 minutes, 30 minutes, 1 hour, 3 little When, 6 hours, but, terminate less than moment of lower limit of quantitation (1ppm) in measured value).

As shown in figure 21, when the elapsed time is 0 minute, in the first～the 3rd mensuration, the concentration of trimethylamine gas is 20ppm, But after 30 minutes, first measure in the concentration of trimethylamine gas be reduced to 3ppm, after 1 hour, first measure in three The concentration of methylamine gas is reduced to 2ppm, and after 3 hours, in the first mensuration, the concentration of trimethylamine gas is reduced to 1ppm.The During one measures, after 3 hours, the concentration of trimethylamine gas reduces to the 1/20 of initial vapor concentration, and by contrast, the During two and the 3rd measures, do not find that the concentration of trimethylamine gas declines to a great extent.

Being clear that from Figure 21, electric fan 38A, 38B of being provided with electric fan odor removal 10A～10D can be reliable Ground reduces the concentration of trimethylamine gas, and has the effect effectively removing trimethylamine gas smelly (fish rancid).Therefore, electric wind Fan odor removal 10A～10D by being arranged in electric fan 38A, 38B use, can reliably remove and contain in air Rancid (food refuse rancid) of fish.Further, by making to be provided with the electric fan of electric fan odor removal 10A～10D 38A, 38B operate the scheduled time, can reliably remove rancid (food refuse rancid) of the fish containing in air

Figure 22 is the figure representing the measurement result relative to methyl mercaptan.Mensuration is used by sodium methyl mercaptide water by methyl mercaptan gas The methyl mercaptan gas that solution (15%) (little Zong chemicals Co., Ltd.) generates.It is first sulphur relative to the condition determination of methyl mercaptan Alcohol (initial vapor concentration：About 4.0ppm), temperature conditions (room temperature), minute (0 minute, 10 minutes, 30 minutes, 1 hour, 3 Hour, 6 hours, but, terminate less than moment of lower limit of quantitation (0.1ppm) in measured value).

As shown in figure 22, when the elapsed time is 0 minute, in the first～the 3rd mensuration, the concentration of methyl mercaptan gas is 4.0ppm, but after 10 minutes, in the first mensuration, the concentration of methyl mercaptan gas is reduced to<(measured value is less than quantitatively for 0.1ppm Lower limit, so terminating to measure in this moment).In contrast, during second and third measures, do not find under the concentration of methyl mercaptan gas Fall.

Being clear that from Figure 22, electric fan 38A, 38B of being provided with electric fan odor removal 10A～10D can be short Reliably reduce the concentration of methyl mercaptan gas in time, and there is the effect effectively removing methyl mercaptan gas smelly (onion rancid) Really.Therefore, electric fan odor removal 10A～10D is by being arranged in electric fan 38A, 38B use, can reliably remove Rancid (food refuse rancid) of the onion containing in air.Further, by make to be provided with electric fan odor removal 10A～ Electric fan 38A, 38B operating scheduled time of 10D, can reliably remove the rancid (food refuse of the onion containing in air Rancid).

Figure 23 is the figure representing the measurement result relative to hydrogen sulfide.Mensuration is used at ferrous sulfide by hydrogen sulfide gas The hydrogen sulfide gas adding dilute acid in (hydrogen sulfide generate with) (little Zong chemicals Co., Ltd.) and generating.Relative to sulfuration The condition determination of hydrogen is hydrogen sulfide (initial vapor concentration：About 4.0ppm), temperature conditions (room temperature), minute (0 minute, 10 Minute, 30 minutes, 1 hour, 3 hours, 6 hours, but, terminate less than moment of lower limit of quantitation (0.1ppm) in measured value).

As shown in figure 23, when the elapsed time is 0 minute, in the first～the 3rd mensuration, the concentration of hydrogen sulfide gas is 4.0ppm, but after 10 minutes, in the first mensuration, the concentration of hydrogen sulfide gas is reduced to<(measured value is less than quantitatively for 0.1ppm Lower limit, so terminating to measure in this moment).In contrast, during second and third measures, do not find under the concentration of hydrogen sulfide gas Fall.

Being clear that from Figure 23, electric fan 38A, 38B of being provided with electric fan odor removal 10A～10D can be short Reliably reduce the concentration of hydrogen sulfide gas in time, and there is the effect effectively removing stink damp body odor (egg rancid) Really.Therefore, electric fan odor removal 10A～10D is by being arranged in electric fan 38A, 38B use, can reliably remove Rancid (food refuse rancid) of the egg containing in air.Further, by make to be provided with electric fan odor removal 10A～ 10D electric fan 38A, 38B operating the scheduled time, can reliably remove the egg containing in air rancid (food refuse Rancid).

Figure 24 is the figure representing the measurement result relative to acetic acid.Mensuration acetic acid gas uses (little by acetic acid (superfine) Ancestor chemicals Co., Ltd.) the acetic acid gas that generates.It is acetic acid (initial vapor concentration relative to the condition determination of acetic acid：About 50ppm), temperature conditions (room temperature), minute (0 minute, 10 minutes, 30 minutes, 1 hour, 3 hours, 6 hours, but, Measured value terminated less than the moment of lower limit of quantitation (1ppm)).

As shown in figure 24, when the elapsed time is 0 minute, in the first～the 3rd mensuration, the concentration of hydrogen sulfide gas is 50ppm, But after 10 minutes, in the first mensuration, the concentration of hydrogen sulfide gas is reduced to<1ppm (measured value is less than lower limit of quantitation, so Terminate to measure in this moment).In contrast, during second and third measures, do not find that the concentration of hydrogen sulfide gas declines.

Being clear that from Figure 24, electric fan 38A, 38B of being provided with electric fan odor removal 10A～10D can be short Reliably reduce the concentration of acetic acid gas in time, and there is the smelly effect of effectively removal acetic acid gas.Therefore, electric fan is used Odor removal 10A～10D, by being arranged in electric fan 38A, 38B use, can reliably remove the acetic acid containing in air Smelly (food refuse rancid).Further, by making to be provided with electric fan 38A, 38B fortune of electric fan odor removal 10A～10D Turn the scheduled time, can reliably remove the acetic acid containing in air smelly (food refuse rancid).

Figure 25 is the figure representing the measurement result relative to acetaldehyde.Mensuration with aldehydes gas use by acetaldehyde (one-level) (with Wako Pure Chemical Industries Co., Ltd.) aldehydes gas that generates.It is acetaldehyde (initial vapor concentration relative to the condition determination of acetaldehyde：About 20ppm), temperature conditions (room temperature), minute (0 minute, 10 minutes, 30 minutes, 1 hour, 3 hours, 6 hours, but, Measured value terminated less than the moment of lower limit of quantitation (1ppm)).

As shown in figure 25, when the elapsed time is 0 minute, in the first～the 3rd mensuration, the concentration of aldehydes gas is 20ppm, but After 1 hour, in the first mensuration, the concentration of aldehydes gas is reduced to 9ppm, after 3 hours, and acetaldehyde gas in the first mensuration The concentration of body is reduced to 8ppm, and after 6 hours, in the first mensuration, the concentration of aldehydes gas is reduced to 6ppm.Compare the first survey In Ding, after 6 hours, the concentration of aldehydes gas reduces to about the 1/3 of initial vapor concentration, during second and third measures, does not sends out The concentration of existing aldehydes gas has change.

Being clear that from Figure 25, electric fan 38A, 38B of being provided with electric fan odor removal 10A～10D can be reliable Ground reduces the concentration of aldehydes gas, and has the effect effectively removing acetaldehyde smelly (penetrating odor).Therefore, electric fan is with removing Smelly device 10A～10D, by being arranged in electric fan 38A, 38B use, can reliably remove the acetaldehyde containing in air smelly. Further, by making to be provided with electric fan 38A, 38B operating scheduled time of electric fan odor removal 10A～10D, can be reliable It is smelly that the acetaldehyde containing in air is removed on ground.

Symbol description

10A-electric fan odor removal；10B-electric fan odor removal；10C-electric fan odor removal；10D-electricity Fan odor removal；Before 11-；After 12-；13-deodorizing screen pack；14-scaffold；15-upper area；16-the first side Region；17-the second side region；18-neighboring；19-inner rim；20-flexible polyurethane foams；21-wall；22-gas permeability net； 23-ventilation path；24-ventilating opening；25-lateral frame；26-inner frame；27-framework；28-the first periphery frame；29-second Periphery frame；30-the 3rd periphery frame；31-the first inner circumferential frame；32-the second inner circumferential frame；33-the 3rd inner circumferential frame；34-space；35-is solid Mechanism；36-snap part；37-annular element；38A-electric fan；38B-electric fan；Protective cover after 39-；40-motor shell； 41-flabellum；42-top；43-handle；44-pedestal；45-sidepiece；46-sidepiece；47-radial front end portion；48-neighboring；49-is empty Gas screen pack.

Claims

1. an electric fan odor removal, it is by the predetermined area having above and below and remove the stink containing in air Deodorizing screen pack and support the scaffold of described deodorizing screen pack and formed, and be arranged on electric fan, it is characterised in that

Described deodorizing screen pack has：Upper area, it surrounds the motor shell at the rear protective cover rear being positioned at described electric fan Top；First side region, it extends downwards from described upper area towards the pedestal of described electric fan and surrounds described horse Reach a sidepiece of housing；And second side region, it extends downwards from described upper area towards the pedestal of described electric fan And surround another sidepiece of described motor shell,

Described scaffold is by forming as follows：Lateral frame, its along the upper area of described deodorizing screen pack and first and second The neighboring of side region extends；And inner frame, it is connected with described lateral frame and along the top district of described deodorizing screen pack The inner rim of territory and first and second side region extends,

The space at described motor shell place is divided between described first side region and described second side region, and described space Being centered around described inner frame, set mechanism is formed at the described inner side frame extending to the upper area of described deodorizing screen pack Frame, and described set mechanism anchors at described motor shell removably.

2. electric fan odor removal according to claim 1, it is characterised in that

Described electric fan odor removal anchored at removably by described set mechanism be positioned at described rear protective cover just after The top of motor shell, described electric fan odor removal when it is installed on described electric fan, described deodorizing screen pack Upper area and first and second side region be positioned at described rear protective cover just after.

3. electric fan odor removal according to claim 1, it is characterised in that

Described electric fan odor removal is anchored on handle removably by described set mechanism, and this handle is formed at The top of described rear protective cover motor shell just below, described electric fan odor removal is installed on described electric fan at it When, the upper area of described deodorizing screen pack and first and second side region be positioned at described rear protective cover just after.

4. electric fan odor removal according to any one of claim 1 to 3, it is characterised in that

Described electric fan odor removal when it is installed on described electric fan, the upper area and first of described deodorizing screen pack And second the neighboring of the side region flabellum that is positioned at described electric fan radial front end portion near.

5. electric fan odor removal according to any one of claim 1 to 3, it is characterised in that

Described electric fan odor removal when it is installed on described electric fan, the upper area and first of described deodorizing screen pack And second the neighboring of side region be positioned at the neighboring of described rear protective cover and the flabellum of described electric fan radial front end portion it Between.

6. electric fan odor removal according to any one of claim 1 to 5, it is characterised in that

Described scaffold includes being connected with described lateral frame and described inner frame and to the framework radially extending.

7. electric fan odor removal according to any one of claim 1 to 6, it is characterised in that

Described deodorizing screen pack is by forming as follows：Soft urethane foam with continuous air bubbles, it has and prolongs between described front-back The multiple ventilation path stretched；Active carbon powder, it anchors at the wall of described flexible polyurethane foams by predetermined sticker；And thoroughly Gas package sheet material, its whole described flexible polyurethane foams of cladding.

8. electric fan odor removal according to any one of claim 1 to 6, it is characterised in that

Described deodorizing screen pack is by forming as follows：Soft urethane foam with continuous air bubbles, it makes to be mixed into the poly-of active carbon powder Ether foam raw material or be mixed into the polyester form raw material of active carbon powder and foam and make and have and prolong between described front-back The multiple ventilation path stretched；And air permeable wrapping sheet material, its whole described flexible polyurethane foams of cladding.

9. the electric fan odor removal according to claim 7 or 8, it is characterised in that

The plurality of ventilation path is centered around the wall of described flexible polyurethane foams and is divided in inside this polyurethane foam, and Described above and described below between while irregularly bending while extending to the thickness direction of described flexible polyurethane foams, and And while irregularly bending while extending to the radial direction of this polyurethane foam between described neighboring and described inner rim.

10. electric fan odor removal according to claim 9, it is characterised in that

Adjoin to described radial direction and to those ventilation path of described thickness direction bending extension at described radially local-connection, and And those ventilation path of to described bent radial extending on described thickness direction local-connection adjacent to described thickness direction.

The 11. electric fan odor removals according to claim 9 or 10, it is characterised in that

In described flexible polyurethane foams, there is irregular change simultaneously towards described thickness direction in the aperture area of those ventilation path And there is irregular change towards described radial direction, the area causing those ventilating openings is different.

The 12. electric fan odor removals according to according to any one of claim 9 to 11, it is characterised in that

The gauge of described flexible polyurethane foams is in the range of 5～20mm, and the quality of described flexible polyurethane foams is 40 In the range of～80g.

The 13. electric fan odor removals according to according to any one of claim 9 to 12, it is characterised in that

The superficial velocity of described flexible polyurethane foams is in the range of 20～40cm/sec.

The 14. electric fan odor removals according to according to any one of claim 1 to 13, it is characterised in that

Described package sheet material is to have the net of predetermined screen number or the airstrainer with minute impurities trapping function.

The 15. electric fan odor removals according to according to any one of claim 1 to 13, it is characterised in that

Described package sheet material by making as follows, net, its have predetermined screen number and be positioned at described above and described below in arbitrarily Simultaneously；And airstrainer, its have minute impurities trapping function and be positioned at described above and described below in any another side.