CN1269443C - Electrostatic eliminating device of cyclon type dust collector dust collecting box - Google Patents
Electrostatic eliminating device of cyclon type dust collector dust collecting box Download PDFInfo
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- CN1269443C CN1269443C CN 01144270 CN01144270A CN1269443C CN 1269443 C CN1269443 C CN 1269443C CN 01144270 CN01144270 CN 01144270 CN 01144270 A CN01144270 A CN 01144270A CN 1269443 C CN1269443 C CN 1269443C
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- collecting box
- dust
- dust collecting
- static
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Abstract
The present invention discloses a static eliminating device for a dust collecting box of a cyclone type dust collecting device. The static eliminating device is characterized in that a dust collecting box, moves static, has electric conductivity and also has transparency performance for recognizing the amount of pollutants collected in the dust collecting box. Grounding accessories of an electric conductivity material are placed on the adjacent body surfaces of the dust collecting box, and electric discharge guide accessories of the electric conductivity material are arranged on one side surface of each of the grounding accessories. The bracket parts of the electric discharge guide accessories are arranged below the dust collecting box so as to enhance a concentration degree of electric discharge amount generated between the electric discharge guide accessories and the dust collecting box. When static forming an electric shock degree to a common human body is stored in the dust collecting box, the determined spacing distance of the dust collecting box and the bracket parts of the electric discharge guide accessories is maintained, and the static discharges between the dust collecting box and an electric discharge guide device. Therefore, the transparency performance and the low price character of the original dust collecting box can be maintained, and the static eliminating performance generated in the dust collecting box can be enhanced.
Description
Technical field
The present invention relates to a kind of device of eliminating static, especially eliminate the device of dust-collecting box static.
Background technology
Usually, cyclone type dust collecting apparatus is to utilize centrifugal force to make pollutant and air separation also collect respectively, discharge, and the vacuum cleaner of family expenses mainly adopts this principle.
Fig. 1 is the sketch of longitudinal section that common cyclone type dust collecting apparatus uses on vacuum cleaner, and its structure and action are: body 1 inboard at vacuum cleaner is put in filter 3 between the screen pack 3a; The whirlwind tube 11 and the motor 2 of drum shape are placed on both sides respectively, in the inboard of whirlwind tube 11, with the action generation suction of motor 2, by the hose 5 of vacuum cleaner, air and pollutant are sucked along the broken line direction in the whirlwind tube 11, form air suction passage 12; Above whirlwind tube 11, in inhaled air and the pollutant,, discharge upward in the whirlwind tube 11 with the air that pollutant has separated because of centrifugal action, form air and discharge stream 13; Below whirlwind tube 11, inhaled air and pollutant in the whirlwind tube 11 because of centrifugal action, are discharged the pollutant that separates downwards, form pollutant and discharge stream 14; Dust-collecting box 15 is placed on whirlwind tube 11 vertical lower and above-mentioned pollutant and discharges stream 14 and link to each other and can extract out, and its effect is to collect the pollutant of discharging stream 14 discharges by pollutant.
The action of the cyclone type dust collecting apparatus of this structure is: drive motors 2 is at the whirlwind tube 11 inner suction that produce, pollutant and air are drawn in the whirlwind tube 11 by suction passage 12 together, by suction passage 12, the contaminated air of pressing the broken line direction suction produces centrifugal force along the 11 interior sideway swivels of whirlwind tube.Low weight air is little because of suffered centrifugal force, just concentrates on the core of whirlwind tube 11, forms the mobile eddy current that air is discharged stream 13 directions, air is discharged stream 13 by air discharge.The suffered centrifugal force of heavier-than-air pollutant is relatively large, can flow along whirlwind tube 11 medial surfaces, finally concentrate in the dust-collecting box that is provided with on the discharge stream 14 of pollutant, if dust-collecting box 15 has been collected the pollutant of institute's fixed limit degree, dust-collecting box is extracted out from body 1 inboard, after throwing away pollutant, reinstall use.
Common cyclone type dust collecting apparatus, in the whirlwind tube during suck pollution thing, because the swirling eddy in the whirlwind tube and discharge rotation at a high speed such as air-flow causes contact and friction between the pollutant, dust-collecting box just produces static.Cyclone type dust collecting apparatus is arranged on operation field, because its scale is bigger, so produce powerful static, if during the dust-collecting box of dust collect plant and operator's Body contact, the electric shock phenomenon that static discharges by human body from dust-collecting box will occur.Such electric shock phenomenon is unlikely to big to causing that electric shock is dead, but because suffered impact when shocking by electricity can cause the people from secondary disasters such as high fallings, especially at the combustibles operation field, has electrostatic spark, because of discharge sets off an explosion or fire.
As shown in Figure 2, adopt the domestic suction cleaner of cyclone type dust collecting apparatus, the bottom surface 15b of its dust-collecting box 15 and body 1 form contact condition, and the static that is stored in bottom surface 15b can be eliminated after body 1 conducting.Because the material of dust-collecting box 15 is the synthetic resin of insulation, so, concentrate on the storage static of dust-collecting box 15 sides and handle 15a portion, or not do not keep electriferous state with body 1 conducting.
Under drying regime, the user extracts dust-collecting box 15 in order to clean from body 1, when catching handle 15a, owing to be stored in the static of dust-collecting box 15 and handle 15a, causes electric shock.If such phenomenon repeats to take place, so, just cause unplessantness displeasure or fear that the user causes static.
If use the metal material of good conductivity to do dust-collecting box, just can reduce producing static, but have following problem as material with metal:
1. the dust-collecting box of metal is than the dust-collecting box cost height of synthetic resin, and has manufacturing process and processing operation relative complex, degradation problem under the productivity.
2. measure the amount of the pollutant in the dust-collecting box for the user easily, simply clean, dust-collecting box should adopt light, transparent material; If with metal is material, just can not satisfy above-mentioned requirements.
3. because the dust-collecting box of metal material is arranged on the body inboard, by the contact-making surface of dust-collecting box and body, static moves toward base side, can reduce the static content that produces in the dust-collecting box relatively.But because dust-collecting box and main body structure characteristics, increasing its contact-making surface has certain limit, so the generation of static electricity amount more for a long time, problems such as static can not be fully eliminated in existence.
Summary of the invention
Technical problem to be solved by this invention provides a kind of static eraser of cyclone type dust collecting apparatus dust-collecting box, and both having kept dust-collecting box is the transparency and the low price property of material with original synthetic resin, has the elimination antistatic property again.
In order to address the above problem, the technical solution used in the present invention is: the static eraser that a kind of cyclone type dust collecting apparatus dust-collecting box is provided, it is constructed as follows: dust-collecting box not only makes electrostatic displacement but also has electric conductivity, and also promising identification is collected in its inner amount of pollutant and has the transparency; The ground connection annex of electric conductivity material is placed on this adjacent dignity of dust-collecting box; The discharge guide appendages of electric conductivity material is arranged on the side of ground connection annex; The cradle portion that the discharge guide appendages is arranged below dust-collecting box, in order to improve and dust-collecting box between the concentration degree of the discharge capacity that produces.When being stored in the dust-collecting box when common human body formed the static of electric shock degree, the cradle portion of dust-collecting box and discharge guide appendages is kept institute and is decided spacing distance, makes its static at dust-collecting box with discharge and discharge between the guiding device.
The intake that inserts the ground connection annex is arranged on the body corresponding with the dust-collecting box bottom surface, on the outer periphery of intake, boss is set.
The cradle portion of discharge guide appendages and the spacing distance of dust-collecting box bottom surface are below the 2mm.
Cradle portion is to begin the fine needle type structure vertical with dust-collecting box bottom surface direction from the relative other end of fixed part on the discharge guide appendages.
Cradle portion is to begin the fine needle type structure of the bending parallel with the bottom surface of dust-collecting box from the relative other end of fixed part on the discharge guide appendages.
Cradle portion is to begin from the relative other end of fixed part on the discharge guide appendages, and is parallel with the bottom surface of dust-collecting box, by the fine needle type structure of " it " oxbow formation.
Cradle portion is to begin the shred type structure of the bending parallel with the bottom surface of dust-collecting box from the relative other end of fixed part on the discharge guide appendages.
Dust-collecting box of the present invention, lucite material with insulating properties is made, have advantages such as the transparency identical and low price property simultaneously with original technology, have electrically anti-, and, its dust-collecting box has the electric conductivity that approaches conductor again, promptly reaches easily the characteristics of static to other movement of objects and discharge.
When the static in the dust-collecting box reaches certain electrified voltage state, at interval, form discharge between cradle portion by the discharge guide appendages that is provided with on the body and the dust-collecting box to eliminate static, improve the effect that dust-collecting box static is eliminated with this.
Description of drawings
Fig. 1 is the sketch of longitudinal section that common cyclone type dust collecting apparatus uses on vacuum cleaner.
Fig. 2 is the dust-collecting box amplification profile of Fig. 1.
Fig. 3 is the dust-collecting box of the embodiment of the invention and the sketch of longitudinal section and the significant points enlarged diagram of static eraser structure.
Fig. 4 is the dust-collecting box of Fig. 3 and the decomposing schematic representation of static eraser.
Fig. 5 a, 5b, 5c are the significant points enlarged diagrams according to other embodiment of discharge guide appendages of the present invention.
Among the figure, 1. body, 1a. intake, 1b. boss, 30. dust-collecting boxes, 40. ground connection annexes, 51. discharge guide appendages, 51a. fixed part, 51b. cradle portion.
The specific embodiment
Further describe below in conjunction with the static eraser of the drawings and specific embodiments cyclone type dust collecting apparatus dust-collecting box of the present invention:
As shown in Figure 3, feature of the present invention is to have electric conductivity and anti-electrical dust-collecting box 30, at the downside adjacent ground connection annex 40 of body 1 with dust-collecting box 30.The discharge guide appendages 51 that possesses cradle portion 51b is set on one side of dust-collecting box 30 bottom surfaces and ground connection annex 40.The bottom surface of dust-collecting box 30 and cradle portion 51b at a distance of decide spacing distance L, when the static that stores in the dust-collecting box reaches when human body caused the electrified voltage of electric shock degree, discharge between dust-collecting box 30 and the cradle portion 51b and eliminate static.
As shown in Figure 3, the material of dust-collecting box 30 is synthetic resin materials that the transparency is arranged as ABS resin 30b, it is electrically anti-for dust-collecting box 30 is had, ABS resin 30b and the carbon black micro powder 30a with electric conductivity mix by 100: 0.1～0.3 part by weight, mixture with formers such as injection machine in accordance with regulations the injection moulding of type shape make.
Form the synthetic resin material of said dust-collecting case 30, be not only ABS resin 30b, as acrylic acid, PVC etc. have any or its composition in the transparent synthetic resin material all can, and, electrically anti-for it is had, also can in the synthetic resin material of insulating properties, add any or its composition in metal dust, metallic fiber, the activating agent materials such as carbon black 30a, copper or silver, form anti-electrical material, add the man-hour material and use with powder morphology.
Above-mentioned synthetic resin material and mixed proportion are regulated on demand, with the transparency of regulating dust-collecting box 30 and processability, electric conductivity etc.
In sum, be the carbon black 30a that the dust-collecting box 30 of material contains trace with transparent ABS resin 30b, for the user knows the quantity of the pollutant of dust-collecting box 30 internal gatherings, its structure has the transparency.
The impedance of original synthetic resin material surface is greater than 1010 Ω/m
2, electric conductivity is low, increases carbon black 30a, makes the surface impedance of dust-collecting box 30 maintain 106～108 Ω/m
2Like this, the static that dust-collecting box 30 produces just can pass through contacting of dust-collecting box 30 and body 1, or shifts the purpose that static reaches discharge by other earthing method.
In order to increase discharge, except that the above-mentioned method that adds carbon black, can also in dust-collecting box, make its drying after being coated with anti-electric liquid in the outside, form the anti-electric liquid film that has electric conductivity on the surface of dust-collecting box.
In addition, prevent electrical dust-collecting box 30 above-mentioned having, can be by the ground connection annex 40 of discharge guide appendages 51 with dust-collecting box 30, to improve the static eraser performance.The structure of discharge guide appendages 51 of the present invention and ground connection annex 40 is with reference to Fig. 3 and Fig. 4.Ground connection annex 40 has electric conductivity, and ground connection annex 40 is positioned on the corresponding body 1 in bottom surface of dust-collecting box 30, and insertion has in the intake 1a of certain depth.
Dust-collecting box 30 bottom surfaces and be provided with above the ground connection annex 40 discharge guide appendages 51.Discharge guide appendages 51 constitutes: an end is fixed on fixed part 51a above the ground connection annex 40 with fixing means such as electric welding, from the support 51b of the fixed part 51a other end to the vertical thin pin type structure that prolongs of dust-collecting box 30 bottom surface directions.The reason that discharge guide appendages 51 is set on the ground connection annex 40 is, forms as lightning rod, its objective is between the cradle portion 51b that makes discharge guide appendages 51 and the dust-collecting box 30 to produce discharge to improve discharge effect.When 30 li of dust-collecting boxes are stored into certain static, form active discharge between dust-collecting box 30 and the ground connection annex 40, discharge guide appendages 51 and dust-collecting box 30 bottom surfaces are maintained in the certain intervals distance L in order to make.Be the upper surface of the ground connection annex 40 placed in the intake 1a and body 1 upper surface at grade.Around the outer ledge of intake 1a, have from body 1 surface to the boss 1b that dust-collecting box 30 bottom surfaces raise up, guarantee the set a distance L of institute of dust-collecting box 30 bottom surfaces and cradle portion 51b.It is good with interior distance that the spacing distance L of the bottom of dust-collecting box 30 and cradle portion 51b should maintain 2mm.Its reason is under the relative humidity environment of (50～60) % usually, when human body touches the object of electrostatic charging state, human body is 3～5kV because of the electrostatic charging voltage of static generation electroconvulsive shock, when the charged electrostatic potential that dust-collecting box is 30 li arrives 3～5kV, the electric discharge phenomena that the easiest generation is caused by static between dust-collecting box 30 bottom surfaces and the cradle portion 51b.
For the discharge effect of the static that improves 30 li storages of dust-collecting box, the material of ground connection annex 40 and discharge guide appendages 51 should be used the material of good conductivity such as copper Cu or silver-colored Ag.
It is as follows that the static of the present invention that constitutes is thus eliminated Action Specification:
Be provided with on the space at dust-collecting box 30, insert dust-collecting box 30, with reference to Fig. 3, make the upper surface of dust-collecting box 30 a part of bottom surfaces and above-mentioned boss 1b form lucky insertion state, and the cradle portion 51b of the bottom surface of dust-collecting box 30 and discharge guide appendages 51 to keep the state of spacing distance L.
Dust-collecting box 30 is arranged in the body 1, drives vacuum cleaner, makes suck pollution things in the whirlwind tube 11, because of with the contacting and friction of the pollutant of high speed swirling eddy, just generation static in dust-collecting box 30.The static of 30 li generations of dust-collecting box, it produces external factor such as static content and humidity size significant relation, and in the environment for use of vacuum cleaner, during high humidity, the static content that dust-collecting box 30 produces is just few.Its static elimination effect is as follows: a part of bottom surface of dust-collecting box 30 and the upper surface of above-mentioned boss 1b are kept contact condition, the static that is stored in 30 li of dust-collecting boxes is by moving to body 1 direction, eliminates because of charge neutrality moment on body 1 toward the static of body 1 side shifting.When the environment for use of vacuum cleaner is dry, the static content that produces at dust-collecting box 30 for a long time, its static elimination effect is as follows: when the static content of 30 li generations of dust-collecting box for a long time, 30 li high-tension static that store moment of dust-collecting box, in the certain hour, static in dust-collecting box 30 storages, when its electrified voltage might reach about 5kV, the lower surface of dust-collecting box 30 and having between the cradle portion 51b of certain intervals distance L, discharge by electric spark, in moment, the electrified voltage of the static of 30 li storages of dust-collecting box is zero at this moment.Because the driving of the vacuum cleaner that continues, the static of 30 li generations of dust-collecting box after certain hour t1 stores, repeats above-mentioned discharge process, in this process, keeps not low-voltage state to human body generation electric shock degree 30 li of dust-collecting boxes.
Fig. 5 a, 5b, 5c are discharge guide appendages enlarged diagrams of the present invention, and discharge guide appendages 52 comprises: the one end has the fixed part 52a that is fixed on the ground connection annex 40, from the loose end of fixed part 52a, the cradle portion 52b of the fine needle type of the bending parallel structure with dust-collecting box 30 bottom surfaces.Discharge guide appendages 52 is by " Ya " oxbow, and its central portion forms bend 52c, has concentrated the discharge electricity amount between dust-collecting box 30 and the discharge guide appendages 52 on the end of bend 52c and cradle portion 52b, to reach the discharge effect that improves static.
Shown in Fig. 5 c, discharge guide appendages 54 comprises: the one end is fixed on the fixed part 54a of ground connection annex 40, from the loose end of fixed part 54a, and the cradle portion 54b of the shred type of the bending parallel structure with dust-collecting box 30 bottom surfaces.Have the quadrangle structure with this discharge guide appendages 54 of constructing formation, concentrated the discharge electricity amount between dust-collecting box 30 and the discharge guide appendages 54 on each 54c of frame portion, reach the discharge effect that improves static with this.
The embodiment of the invention described above is in order to help to understand the present invention, as seen, just not to be limited in aforesaid embodiment, and the embodiment that other are no more than in the technological thought scope of the present invention can diversely change.
Claims (7)
1. the static eraser of a cyclone type dust collecting apparatus dust-collecting box, described dust-collecting box (30) has electric conductivity, the transparency, it is characterized in that: have the ground connection annex (40) with the contacted electric conductivity material of body (1) in dust-collecting box (30) below; The discharge guide appendages (51) that the electric conductivity material is arranged on a side of the ground connection annex (40) relative with the dust-collecting box bottom surface; One end of discharge guide appendages (51) is the fixed part that is fixed on the ground connection annex (40), and the other end is the cradle portion that maintains in the below of dust-collecting box (30) bottom surface and dust-collecting box (30) bottom surface in the certain distance.
2. according to the static eraser of the described cyclone type dust collecting apparatus dust-collecting box of claim 1, it is characterized in that the intake (1a) that inserts ground connection annex (40) is arranged on the body (1) corresponding with dust-collecting box (30) bottom surface, boss (1b) is set on the outer periphery of intake (1a).
3. according to the static eraser of claim 1 or 2 described cyclone type dust collecting apparatus dust-collecting boxes, it is characterized in that the discharging cradle portion (51b) of guide appendages (51) and the spacing distance of dust-collecting box (30) bottom surface are below the 2mm.
4. according to the static eraser of the described cyclone type dust collecting apparatus dust-collecting box of claim 1, it is characterized in that cradle portion (51b) is to go up at discharge guide appendages (51) to begin the fine needle type structure vertical with dust-collecting box bottom surface direction from the relative other end of fixed part (51a).
5. according to the static eraser of the described cyclone type dust collecting apparatus dust-collecting box of claim 1, it is characterized in that cradle portion (52b) is to go up at discharge guide appendages (52) to begin the fine needle type structure of the bending parallel with the bottom surface of dust-collecting box (30) from the relative other end of fixed part (52a).
6. according to the static eraser of the described cyclone type dust collecting apparatus dust-collecting box of claim 1, it is characterized in that cradle portion (53b) is to go up at discharge guide appendages (53) to begin from the relative other end of fixed part (53a), parallel with the bottom surface of dust-collecting box (30), by the fine needle type structure of " it " oxbow formation.
7. according to the static eraser of the described cyclone type dust collecting apparatus dust-collecting box of claim 1, it is characterized in that cradle portion (54b) is to go up at discharge guide appendages (54) to begin the shred type structure of the bending parallel with the bottom surface of dust-collecting box (30) from the relative other end of fixed part (54a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144270 CN1269443C (en) | 2001-12-17 | 2001-12-17 | Electrostatic eliminating device of cyclon type dust collector dust collecting box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01144270 CN1269443C (en) | 2001-12-17 | 2001-12-17 | Electrostatic eliminating device of cyclon type dust collector dust collecting box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1426743A CN1426743A (en) | 2003-07-02 |
| CN1269443C true CN1269443C (en) | 2006-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01144270 Expired - Fee Related CN1269443C (en) | 2001-12-17 | 2001-12-17 | Electrostatic eliminating device of cyclon type dust collector dust collecting box |
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| Country | Link |
|---|---|
| CN (1) | CN1269443C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103142191A (en) * | 2011-12-06 | 2013-06-12 | 乐金电子(天津)电器有限公司 | Horizontal dust collector with cyclone filter device at air outlet |
| JP6146405B2 (en) * | 2014-12-26 | 2017-06-14 | トヨタ自動車株式会社 | Engine and engine manufacturing method |
| JP6886787B2 (en) * | 2016-08-03 | 2021-06-16 | 東芝ライフスタイル株式会社 | Electrical equipment and vacuum cleaner |
| WO2019128228A1 (en) * | 2017-12-28 | 2019-07-04 | 江苏美的清洁电器股份有限公司 | Sweeping robot |
| CN107981794A (en) * | 2017-12-28 | 2018-05-04 | 江苏美的清洁电器股份有限公司 | Sweeping robot |
| CN109276803A (en) * | 2018-08-29 | 2019-01-29 | 出门问问信息科技有限公司 | A kind of electronic equipment |
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2001
- 2001-12-17 CN CN 01144270 patent/CN1269443C/en not_active Expired - Fee Related
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| CN1426743A (en) | 2003-07-02 |
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Granted publication date: 20060816 Termination date: 20100118 |