CN1765287A - Static removal device for eddy flow dust collection device of dust collection barrel - Google Patents

Static removal device for eddy flow dust collection device of dust collection barrel Download PDF

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Publication number
CN1765287A
CN1765287A CN 200410072471 CN200410072471A CN1765287A CN 1765287 A CN1765287 A CN 1765287A CN 200410072471 CN200410072471 CN 200410072471 CN 200410072471 A CN200410072471 A CN 200410072471A CN 1765287 A CN1765287 A CN 1765287A
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China
Prior art keywords
dust
dust bucket
mentioned
main body
static
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CN 200410072471
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Chinese (zh)
Inventor
尹朱汉
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LG Electronics Tianjin Appliances Co Ltd
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LG Electronics Tianjin Appliances Co Ltd
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Priority to CN 200410072471 priority Critical patent/CN1765287A/en
Publication of CN1765287A publication Critical patent/CN1765287A/en
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Abstract

Disclosed a static neutralization device of dust-collection barrel of cyclone dust-collection device, comprises a main body of cyclone dust-collection device; a part for generating the suction and a dust-collection barrel are arranged on the inner side of main body of cyclone dust-collection device to generate the suction to suck the air and the pollution into the cyclone main body; than the air and the pollution are separated via the centrifugal force of cyclone main body while the pollution is collected in the dust-collection barrel; the dust-collection barrel with conductivity is transparent while the conductivity can remove the static on the dust-collection barrel, and the transparence can make the user watch the amount of collected pollution inside the inner part; the surface of main body near the dust-collection barrel has a discharging element of conducting material. The discharging element and the dust-collection barrel will discharge before the static accumulated on the dust-collection barrel can shock the human body, therefore, the static voltage of dust-collection barrel can be kept in a safe range.

Description

The Whirl dust-collecting device static removal device of dust bucket
Technical field
The present invention relates to the static removal device of a kind of Whirl dust-collecting device with dust bucket.
Background technology
Usually, Whirl dust-collecting device is the device that utilizes eddy flow (cyclone) principle, promptly, utilize centrifugal force that the air in the pollutant that rotates simultaneously with air is arranged to the outside, and make pollutant and air separation, and then only collect pollutant, it is mainly used on the vacuum cleaner as family.
As shown in Figure 1, inside at vacuum cleaner main body 1, across the dividing plate 3a which is provided with filter element 3 grades, be respectively equipped with round barrel shape cyclone main body 11 and motor 2, side face top one side of above-mentioned cyclone main body 11 is formed with and sucks path 12, when carrying out work generation suction because of motor 2, sucking path 12 can be passing through vacuum cleaner tube connector 5 inhaled airs and pollutant, and the tangential direction in cyclone main body is drawn in the cyclone main body.The upper surface central part of above-mentioned cyclone main body 11 is formed with air drain passageway 13, utilize centrifugal force in being drawn into cyclone main body 11 air and pollutant isolated air, can discharge upward by air drain passageway 13.The portion of bottom center of cyclone main body 11 is formed with pollutant drain passageway 14, utilize centrifugal force in being drawn into cyclone main body 11 air and pollutant isolated pollutant, can be downwards by above-mentioned pollutant drain passageway 14 rows.Above-mentioned pollutant drain passageway 14 is connected with separable dust bucket 15, above-mentioned dust bucket 15, be positioned at cyclone main body 11 under state under, can collect the pollutant of discharging by above-mentioned pollutant drain passageway 14.
Below, the work of Whirl dust-collecting device with said structure is described.
Motor 2 carries out work, makes and produces suction in the cyclone main body 11, enters in the above-mentioned cyclone main body 11 via sucking path 12 together with air by above-mentioned suction pollutant.
At this moment, by the contaminated air of above-mentioned suction path 12 with the tangential direction suction of cyclone main body 11, meeting is along with the inwall eddy flow of cyclone main body 11, and generation centrifugal force.
Centrifugal force as the lighter air of weight is also less, produces eddy flow so collect in the central part of cyclone main body 11, and gets rid of path 13 mobile (exhaust stream) formation air-flow to air, gets rid of path 13 by air and discharges.
On the contrary, the centrifugal force of heavier-than-air pollutant is bigger, so can be along the inwall turn of cyclone main body 11, the dust bucket 15 that finally is set at contaminant exclusion path 14 1 sides is collected, when the amount of the pollutant in the dust bucket 15 reaches a certain amount of, can separate dust bucket 15 from main body 1 inboard, outwell to reinstall behind the pollutant in the main body 1 and use.
But existing Whirl dust-collecting device carries out work during the suck pollution thing, because of the effect of eddy flow in the above-mentioned cyclone main body and exhaust stream, can be made to produce contact and friction between the pollutant and produce static on dust bucket in cyclone main body.
Use the Whirl dust-collecting device of operation at the scene, larger because of it, so can produce stronger static, if the operator as near above-mentioned dust collect plant, then the electrostatic precipitation bucket is to the human body discharge and shock by electricity.Though above-mentioned electric shock can not be fatal, but still might take place to cause the people of work high above the ground secondary disaster such as fall because of electric shock.At the field operation of combustibles, also might blast or fire because of static.
In addition, as shown in Figure 2, the bottom surface 15b of the dust bucket 15 of the home-use dust catcher of employing Whirl dust-collecting device contacts with main body 1, flow to main body 1 though be accumulated in the static of bottom surface 15b; Because of the material of dust bucket 15 is the synthetic resin of insulation, so be accumulated in the side of dust bucket 15 and the static at handle 15a place can not flow to main body 1 side and be in electriferous state all the time.
Therefore, under special dry status, when the user catches handle separation dust collector bucket in order to clean dust bucket, can be shocked by electricity because of the static that is accumulated in handle, it is frightened or unhappy that this can make the user produce.
Can reduce dust bucket generation static though make dust bucket, when adopting metal material, have following problem by the material that adopts metal material.
The 1st, and adopt the synthetic resin material to compare undoubtedly can to increase the dust bucket manufacturing cost, and manufacturing process and processing operation are relatively complicated and reduce production efficiency.
The 2nd, for the user grasp easily in the dust bucket amount of pollutant and for the ease of cleaning, dust bucket preferably adopts the lighter and transparent material of weight, adopts metal material obviously not satisfy above-mentioned condition.
The 3rd, though, the dust bucket of employing metal material can be by the contact-making surface of dust bucket and main body, and make electrostatic current to main body, can reduce the static content that dust bucket takes place to a certain extent, but its contact area is subject to the structure that is provided with of dust bucket and main body, so still can not remove static up hill and dale when more static takes place.
Summary of the invention
In order to overcome the above-mentioned shortcoming that prior art exists, the invention provides the static removal device of a kind of Whirl dust-collecting device with dust bucket, with in advantages such as the transparency that keeps existing synthetic resin material dust bucket and low price property, improve the performance of the static of removing dust bucket.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of Whirl dust-collecting device static removal device of dust bucket, comprise the Whirl dust-collecting device main body, the inboard of above-mentioned Whirl dust-collecting device main body, be provided with and have parts and the dust bucket that generates suction, the suction that is produced by the suction generation part, can suck air and pollutant in the cyclone main body, in above-mentioned cyclone main body, utilize centrifugal force that air is separated with pollutant, contaminant collecting in dust bucket; It is characterized in that above-mentioned dust bucket has electric conductivity, and be transparent to have electric conductivity and be for the static on the dust bucket is removed, transparent is in order to make the user can see the amount of the pollutant of its internal gathering; Be provided with the discharge component of conductive material in abutting connection with the main surface of above-mentioned dust bucket, when the static of accumulating on above-mentioned dust bucket reaches the degree that can make human body electric shock shock, for above-mentioned electrostatic energy is discharged between discharge component and dust bucket, maintain between above-mentioned dust bucket and the discharge component at interval.
The aforesaid Whirl dust-collecting device static removal device of dust bucket, wherein discharge component embeds in the sagging depression that forms of the step that is provided with on the main body of the bottom surface that is arranged on corresponding dust bucket, in order to make the suitable spacing of maintenance between above-mentioned discharge component and the dust bucket bottom surface, the outer periphery portion of above-mentioned depression raises up to be formed with and keeps the spaced-apart ring-shaped projection.
The aforesaid Whirl dust-collecting device static removal device of dust bucket, wherein discharge component is formed by the splendid metal material of electric conductivity.
The aforesaid Whirl dust-collecting device static removal device of dust bucket, wherein the spacing between discharge component and the dust bucket is below the 2mm.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is vertical sectional drawing that the existing dust catcher of Whirl dust-collecting device is housed.
Fig. 2 is vertical sectional drawing of the barrel structure of dust arrest among Fig. 1.
Fig. 3 is dust bucket in the embodiment of the invention and vertical sectional drawing of static removal device.
Fig. 4 is the dust bucket of Fig. 3 and the exploded perspective view of static removal device.
The electrostatic potential that Fig. 5 accumulated the present invention and existing dust bucket for actuation time of Whirl dust-collecting device, the schematic diagram that compares.
The number in the figure explanation:
1: main body 1a: depression
1b: keep projection 15,30 at interval: dust bucket
40: metallic plate
The specific embodiment
In illustrating below, the explanation of omitting main composition key element same as the prior art.
Shown in Fig. 3,4, the maximum of dust bucket 30 of the present invention is characterized as has electric conductivity and static electricity resistance, be provided with discharge component 40 with dust bucket across spacing L between 1 of the main body of the above-mentioned dust bucket 30 of adjacency and the dust bucket, when the electrostatic potential of the static of accumulating on dust bucket 30 reached the degree that can cause human body electric shock shock, dust bucket promptly discharged by above-mentioned discharge component 40 and removes static.
At first be elaborated,, can add material and achieve the above object by in the raw material of dust bucket with electric conductivity for the dust bucket of the intrinsic insulating properties that makes existing resin material becomes the dust bucket with electric conductivity and discharge property with reference to Fig. 3.
For example, the synthetic resin material of the transparency of ABS resin 30b with have the body of powder of carbon black (carbon black) 30a of antistatic performance, weight ratio by 100: 0.1~0.3% is mixed, form the mixture of ABS resin 30b and carbon black (carbon black) 30a, again said mixture by formers such as injection machines for example, be made into dust bucket 30 with given shape.
At this moment; synthetic resin raw material as above-mentioned dust bucket 30; not only can be with above-mentioned ABS resin 30b; but also can be with third rare acyl group (acryl); any one or a few composition in the synthetic resin material of the transparency such as PVC; static electricity resistance material as the synthetic resin material of giving above-mentioned insulating properties; not only can adopt carbon black 30a; but also can adopt copper; the metal dust of silver etc.; metallic fiber, a kind of in the materials such as interfacial agent or be processed into its composition of pulverulence.
By the characteristic of each composite material, by mixing ratio, carry out suitable adjusting to above-mentioned synthetic resin material and antistatic material, can adjust the transparency of suitable dust bucket 30, processability, electric conductivity etc.
As mentioned above, the dust bucket 30 that forms by transparent ABS resin 30b material, have specified quantitative following with small carbon black 30a material, so the dust bucket made from existing synthetic resin 15 (with reference to Fig. 1) is the same, dust bucket 30 also has the transparency that the user also can discern the amount of pollutant degree of collecting in the dust bucket.
By being to add carbon black 30a in the dust bucket 15 of the extremely low traditional synthetic resin of the electric conductivity of 1010 Ω/more than the m2 in sheet resistance, make the sheet resistance of dust bucket 30 can maintain the state of 106~108 Ω/m2, sheet resistance at dust bucket 30 maintains under the state of 106~108 Ω/m2, when static takes place, can make the static that is accumulated in above-mentioned dust bucket 30 at an easy rate, contact-making surface by dust bucket 30 and main body 1 or the modes such as ground connection by independent grounded parts are shifted to its thing or are discharged.
In addition, dust bucket as the existing synthetic resin material that makes insulator has the method for electric conductivity and antistatic performance, can also adopt in the following method, promptly, make the traditional dust bucket 15 that has as shown in Figure 1, behind the dust bucket of the insulator synthetic resin material of the same transparency, after outer peripheral face application within it contains the material of antistatic performance, carry out drying again, can form plated film on the surface of dust bucket with electric conductivity.
At above-mentioned dust bucket 30 discharge component of the present invention is set, can improves static and remove performance.Below, with reference to Fig. 3 and Fig. 4 the structure of discharge component of the present invention is described.
Above-mentioned discharge component can form by having certain thickness conductive metal plate 40, and above-mentioned metallic plate 40 with electric conductivity embeds on the main body 1 of the bottom surface that is arranged on corresponding dust bucket 30, has in the sagging depression 1a that forms of step of the suitable degree of depth.
In addition, above-mentioned conductive metal plate 40 is formed by the copper (Cu) or the silver splendid materials of electric conductivity such as (Ag) that can be easy to emit the static that dust bucket accumulates, and should strengthen the corresponding area of corresponding dust bucket 30 bottom surfaces as far as possible.
Accumulate when above at above-mentioned dust bucket 30 static above setting voltage, in order to make the discharge between above-mentioned dust bucket 30 and the above-mentioned metallic plate 40 with electric conductivity more active, the bottom surface that its structure makes the end face of above-mentioned metallic plate 40 with electric conductivity and is positioned at the dust bucket 30 of its upside keeps suitable spacing L.
Promptly, the degree of depth of depression 1a can make the end face of the metallic plate with electric conductivity 40 that is arranged on above-mentioned depression 1a and the end face of main body 1 be positioned at one side, raise up on the above-mentioned depression 1a outer to be formed with and keep space protrusion 1b, the height that aforementioned body 1 end face is kept protruding 1b at interval is identical with spacing L, the bottom surface of above-mentioned dust bucket 30 is installed in above-mentioned keeping on the protruding 1b at interval, can guarantee above-mentioned dust bucket 30 bottom surfaces and the spacing L with metallic plate 40 end faces of electric conductivity.
At this moment, above-mentioned dust bucket 30 bottom surfaces and spacing L with metallic plate 40 end faces of electric conductivity maintain in the 2mm.
Its reason is under the environment of common relative humidity 50~60%, human body is removed when having the object of static, the electrostatic potential value that can cause the electric shock shock is 3~5KV, for example when the electrostatic potential value of above-mentioned dust bucket 30 reaches 3~5KV, at above-mentioned dust bucket 30 bottom surfaces and spacing L with metallic plate 40 end faces of electric conductivity is 2mm when following, and discharge therebetween is the most active.
Below, the static removal effect of static removal device of the present invention with said structure is elaborated.
With reference to Fig. 3, when being provided with of dust bucket 30 packed dust bucket 30 in the space, the part bottom surface of above-mentioned dust bucket 30 contacts with the end face of keeping protruding 1b at interval, and installs thereon, and the bottom surface of dust bucket 30 keeps spacing L with the end face of the metallic plate 40 with electric conductivity.
Under dust bucket 30 is arranged on state on the main body 1, when Whirl dust-collecting device carries out work in cyclone main body 11 the suck pollution thing, at this moment because of the high speed swirling eddy in the cyclone main body 11, can produce contact and friction between the pollutant and on dust bucket 30, produce static.
The static content that is produced on the above-mentioned dust bucket 30, under different external factor such as humidity, the static content that is produced has very big difference, below by under the higher environment of humidity, the static content that is produced on the dust bucket 30 is example more after a little while, and static removal effect is described.
The part bottom surface of above-mentioned dust bucket 30 contacts with the end face of keeping protruding 1b at interval, and the static that is accumulated on above-mentioned dust bucket 30 bottom surfaces can be shifted to main body 1 by above-mentioned protruding 1b, and the static of shifting to main body 1 is neutralized the moment removal.
Below, under the environment to drying, the static removal effect when using Whirl dust-collecting device to produce a large amount of static describes.
When dust bucket 30 produces a large amount of static, 30 last moments of above-mentioned dust bucket are accumulated a large amount of static with high electrostatic pressure, when (t1) electrostatic potential of accumulating reaches about 5KV within a certain period of time, in the bottom surface of above-mentioned dust bucket 30 with have in the spacing L space between the metallic plate 40 of electric conductivity, meeting discharge generation spark and sound, moment makes the electrostatic potential of accumulating on the dust bucket 30 become 0.
In addition, because of the continuous firing of Whirl dust-collecting device is carried out following discharge repeatedly, that is, the static that produces on the dust bucket 30 also discharges after accumulating certain hour (t1).Can make the electrostatic potential of dust bucket 30 maintain the low electrostatic potential that can not shock by electricity and suffer a shock like this.
Shown in 50 among Fig. 5, when Whirl dust-collecting device carries out the work of certain hour, accumulating the static of 50KV electrostatic potential on the existing dust bucket 15, the discharge of static does not almost take place afterwards or moves in this, continues to keep higher electrostatic potential state.
Shown among Fig. 5 60, the electrostatic potential that dust bucket of the present invention 30 produces when being raised to the 5KV electrostatic potential within a certain period of time, discharging and returns 0 electrostatic potential state, and carries out said process repeatedly.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
The present invention has following effect:
The present invention makes the dust bucket of being made by intrinsic insulation, transparent synthetic resin material have static electricity resistance Can, dust bucket of the present invention can be in the transparency and the low price of the dust bucket that keeps existing synthetic resin material In the time of the advantages such as property, have the electric conductivity near conductor, can move static to its thing at an easy rate And discharge.
When the electrostatic potential on the dust bucket reaches certain value, at the discharge component and the control of dust that are arranged on the main body Between the bucket, discharge, can improve the removal antistatic property of the static of removing dust bucket.

Claims (4)

1, a kind of Whirl dust-collecting device static removal device of dust bucket, comprise the Whirl dust-collecting device main body, the inboard of above-mentioned Whirl dust-collecting device main body, be provided with and have parts and the dust bucket that generates suction, the suction that is produced by the suction generation part, can suck air and pollutant in the cyclone main body, in above-mentioned cyclone main body, utilize centrifugal force that air is separated with pollutant, contaminant collecting in dust bucket; It is characterized in that,
Above-mentioned dust bucket has electric conductivity, and is transparent, has electric conductivity and is for the static on the dust bucket is removed, and transparent is in order to make the user can see the amount of the pollutant of its internal gathering;
Be provided with the discharge component of conductive material in abutting connection with the main surface of above-mentioned dust bucket, when the static of accumulating on above-mentioned dust bucket reaches the degree that can make human body electric shock shock, for above-mentioned electrostatic energy is discharged between discharge component and dust bucket, maintain between above-mentioned dust bucket and the discharge component at interval.
2, the Whirl dust-collecting device according to claim 1 static removal device of dust bucket, it is characterized in that above-mentioned discharge component embeds in the sagging depression that forms of the step that is provided with on the main body of the bottom surface that is arranged on corresponding dust bucket, in order to make the suitable spacing of maintenance between above-mentioned discharge component and the dust bucket bottom surface, the outer periphery portion of above-mentioned depression raises up to be formed with and keeps the spaced-apart ring-shaped projection.
3, Whirl dust-collecting device according to claim 1 is characterized in that with the static removal device of dust bucket above-mentioned discharge component is formed by the splendid metal material of electric conductivity.
4, Whirl dust-collecting device according to claim 1 and 2 is characterized in that with the static removal device of dust bucket the spacing between above-mentioned discharge component and the dust bucket is below the 2mm.
CN 200410072471 2004-10-27 2004-10-27 Static removal device for eddy flow dust collection device of dust collection barrel Pending CN1765287A (en)

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Application Number Priority Date Filing Date Title
CN 200410072471 CN1765287A (en) 2004-10-27 2004-10-27 Static removal device for eddy flow dust collection device of dust collection barrel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410072471 CN1765287A (en) 2004-10-27 2004-10-27 Static removal device for eddy flow dust collection device of dust collection barrel

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Publication Number Publication Date
CN1765287A true CN1765287A (en) 2006-05-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102670135A (en) * 2011-03-15 2012-09-19 日立空调·家用电器株式会社 Electric dust collector
CN102743127A (en) * 2011-04-18 2012-10-24 日立空调·家用电器株式会社 Suction device and electric dust collector
CN103948345A (en) * 2014-05-21 2014-07-30 苏州鑫荣健身器材有限公司 Dust collector capable of eliminating static electricity
CN110063685A (en) * 2019-04-28 2019-07-30 田锦海 A kind of back formula dust catcher that the stable filter bag of suction has a thorough knowledge of

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102670135A (en) * 2011-03-15 2012-09-19 日立空调·家用电器株式会社 Electric dust collector
CN104083128A (en) * 2011-03-15 2014-10-08 日立空调·家用电器株式会社 Electric dust collector
CN102670135B (en) * 2011-03-15 2015-03-18 日立空调·家用电器株式会社 Electric dust collector
CN102743127A (en) * 2011-04-18 2012-10-24 日立空调·家用电器株式会社 Suction device and electric dust collector
CN102743127B (en) * 2011-04-18 2015-06-10 日立空调·家用电器株式会社 Suction device and electric dust collector
CN103948345A (en) * 2014-05-21 2014-07-30 苏州鑫荣健身器材有限公司 Dust collector capable of eliminating static electricity
CN110063685A (en) * 2019-04-28 2019-07-30 田锦海 A kind of back formula dust catcher that the stable filter bag of suction has a thorough knowledge of
CN110063685B (en) * 2019-04-28 2021-07-06 苏州百特电器有限公司 Back type dust collector with suction stable filter bag

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