CN100503050C - Electric air collecting filter of air purifier - Google Patents
Electric air collecting filter of air purifier Download PDFInfo
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- CN100503050C CN100503050C CNB031385990A CN03138599A CN100503050C CN 100503050 C CN100503050 C CN 100503050C CN B031385990 A CNB031385990 A CN B031385990A CN 03138599 A CN03138599 A CN 03138599A CN 100503050 C CN100503050 C CN 100503050C
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Abstract
The electronic dust collecting filter for air purifier includes ionizing part, collector and metal net. The ionizing part charges fine dust in air passing through by means of high voltage; the collector is set behind the ionizing part and adsorbs charged dust by means of electric repelling force; and the metal net is set on two sides of the collector and connected to earth line. The electronic dust collecting filter for air purifier in the said structure has small size and easy configuration.
Description
Technical field
The present invention relates to a kind of inside that is arranged on air purifier, fine dust is carried out ionization after, utilize the repulsive force of electric charge, the electronic dust collecting filter that the dust that is ionized is collected; Furtherly, relate to a kind of even without independent insulating barrier is set in gathering-device, the also dust-collecting filter of the air purifier that can between ionization part and above-mentioned gathering-device, insulate (Electric dust collecting filter of air cleaner).
Background technology
Fig. 1 demonstrates the oblique view of general air purifier.Fig. 2 demonstrates the exploded perspective view of general air purifier.
As depicted in figs. 1 and 2, general air purifier comprises casing 1 substantially, sucks grid 2, pressure fan 7, air cleaner 3, dust-collecting filter 4, high-voltage generator 8, light catalyst filter 5 and dividing plate 6.Said machine casing 1 front is open, and the outlet 1 ' of discharging air is formed on above the casing; Above-mentioned suction grid 2 is combined in the open portion of said machine casing 1 front, is formed with the suction inlet 2 ' that sucks air; Above-mentioned pressure fan 7 is installed in the inside of said machine casing 1, makes air outside carry out forced circulation towards the inside of said machine casing 1; Above-mentioned air cleaner 3 is arranged on the back side of above-mentioned suction grid 2, and the dust that volume is bigger in the air that is inhaled into is filtered; Above-mentioned dust-collecting filter 4 is arranged on the rear of above-mentioned air cleaner 3, utilizes high voltage that the dust in air that is inhaled into is carried out ionization and collects; Above-mentioned high-voltage generator 8 imposes on above-mentioned dust-collecting filter 4 with high voltage; Above-mentioned light catalyst filter 5 is arranged on the rear of above-mentioned dust-collecting filter 4, is coated under the effect of the light that the titanium oxide on the dictyosome produces in above-mentioned dust-collecting filter 4 by activate, plays deodorization; Aforementioned barriers 6 is divided into the plenum chamber that is provided with above-mentioned pressure fan 7 with the inner space of said machine casing 1 and is provided with the filter chamber of above-mentioned dust-collecting filter 4 and light catalyst filter 5, is formed with wind pushing hole 6 ' in the central authorities of aforementioned barriers 6.
Air purifier with said structure sucks along with the work of above-mentioned pressure fan 7 after the extraneous air, makes the extraneous air that is inhaled into convert pure and fresh air to by various filters, is discharged to the outside again.
If power supply is imposed on pressure fan 7 and the dust-collecting filter 4 that is arranged on said machine casing 1 inside, then above-mentioned pressure fan 7 is driven, and sucks extraneous air.The said external air is by being formed on suction inlet 2 on the above-mentioned suction grid 2 ' after flowing into, through the bigger dust of above-mentioned air cleaner 3 specific filtration resistances, then filter trickle dust through above-mentioned dust-collecting filter 4.
Wherein,, make above-mentioned dust-collecting filter 4 form electromagnetic fields along with power supply being imposed on above-mentioned dust-collecting filter 4, the fine dust of process is carried out ionization after, utilize electric exclusion power, the dust that is ionized is adsorbed.By said structure, remove and be included in airborne fine dust.So the content of the koniology of the above-mentioned dust-collecting filter 4 of process is very thin.Air through above-mentioned dust-collecting filter 4 will pass through above-mentioned light catalyst filter 5, and above-mentioned light catalyst filter 5 utilizes the luminous energy that can produce in above-mentioned dust-collecting filter 4 by the titanium oxide of activate, plays deodorization.
By said process, be eliminated the air of dust and bad smell, by be formed on wind pushing hole 6 on the aforementioned barriers 6 ', flow into towards the inside of said machine casing 1, then by above-mentioned outlet 1 ', discharge to the device outside again.That is to say, the contaminated air of the outside inside towards device is flowed into, utilize above-mentioned air cleaner 3 and dust-collecting filter 4 and light catalyst filter 5 then, dust and bad smell are removed.By said structure, convert pure and fresh air to, be discharged to the device outside again.
The result shows that in above-mentioned air purifier, above-mentioned air cleaner 3 and dust-collecting filter 4 and light catalyst filter 5 are most important parts.Wherein, above-mentioned air cleaner 3 just merely plays the effect of filtering big dust, from technical elements, does not have too big implication; Above-mentioned light catalyst filter 5 also just plays the effect of removing bad smell, except above-mentioned photocatalyst technology, does not have a technical difficult problem.Have only the above-mentioned dust-collecting filter 4 that utilizes electricity absorption fine dust, can use multiple technologies at aspects such as its structures.
Fig. 3 demonstrates the profile of the dust-collecting filter internal structure of prior art simply.
As shown in Figure 3, the dust-collecting filter 30 of prior art is made of ionization part 31 and gathering-device 32 and the net 33 that insulate.Ionizing part 31 is utilized high voltage, makes the airborne fine dust of being included in of process charged; Above-mentioned gathering-device 32 is arranged on the rear of ionizing part 31, utilizes electric exclusion power and attraction, and charged dust is adsorbed; Above-mentioned insulation net 33 is inserted between ionizing part 31 and the gathering-device 32, insulate between ionizing part 31 and gathering-device 32.
Ionizing part 31 is made of wire discharge electrode 31a and the corresponding utmost point 31b of a plurality of discharge.Above-mentioned wire discharge electrode 31a is connected on the voltage generator 40, if the high voltage of 5～7kv is imposed on above-mentioned wire discharge electrode 31a, then forms just (+) utmost point; The corresponding utmost point 31b of above-mentioned a plurality of discharges that forms according to a determining deviation can insert above-mentioned wire discharge electrode 31a respectively, and is connected with ground wire, forms power line 31c between corresponding utmost point 31b of above-mentioned discharge and above-mentioned wire discharge electrode 31a.
In addition, above-mentioned gathering-device 32 is made of passive electrode 32a and accelerating electrode 32b.Above-mentioned passive electrode 32a is adsorbed on charged dust in the ionizing part 31, and is connected with ground wire; If the high voltage of the 2～3kv that will generate on above-mentioned voltage generator 40 imposes on above-mentioned accelerating electrode 32b, then above-mentioned accelerating electrode 32b forms just (+) utmost point, can make dust charged in ionizing part 31, quicken towards above-mentioned passive electrode 32a, and be coated with megohmite insulant 32c in the outside of above-mentioned accelerating electrode 32b.
But, because the discharge electrode 31a of ionizing part 31 and the accelerating electrode 32b of gathering-device 32 have+polarity, make under the narrow situation of the spacing between ionizing part 31 and the gathering-device 32, between above-mentioned discharge electrode 31a and accelerating electrode 32b, produce electrically easily and disturb.So,, between ionizing part 31 and gathering-device 32, be provided with above-mentioned insulation net 33 for fear of above-mentioned electrical interference.
Dust-collecting filter with prior art of said structure, make through ionizing part be included in airborne fine dust charged after, in above-mentioned gathering-device, utilize the repulsive force and the attraction of electric charge, charged dust is adsorbed.
Through in the air of air cleaner, only include the dust of trickle size, above-mentioned air process ionizing part 31 is by charged.That is to say, because at the discharge electrode 31a of ionizing part 31 with discharge and be formed with the electromagnetic field shown in the above-mentioned power line between the corresponding utmost point 31b, make to be included in airborne fine dust positively charged the time by above-mentioned power line 31c through above-mentioned electromagnetic field.
The air that includes the dust of positively charged through behind the above-mentioned insulation net 33, moves towards above-mentioned gathering-device 32.Be included in airborne fine dust towards what above-mentioned gathering-device 32 moved, be adsorbed on the above-mentioned passive electrode 32a that is connected with ground wire.Said process is to utilize the attraction between the electric charge to carry out, because the above-mentioned passive electrode 32a that is connected with ground wire has negative (-) polarity, so can adsorb the dust of positively charged.In addition, because the accelerating electrode 32b of above-mentioned gathering-device 32 has+polarity, so the fine dust of positively charged is produced repulsive force.So above-mentioned fine dust is pushed out from above-mentioned accelerating electrode 32b, be adsorbed onto on the above-mentioned passive electrode 32a.
So through the air of above-mentioned gathering-device 32, fine dust almost is eliminated; Be eliminated by above-mentioned light catalyst filter 5 if be included in above-mentioned airborne odour component, then above-mentioned air will convert very pure and fresh air to, be discharged to the outside of device.
But the electronic dust collecting filter with prior art of said structure but has following problem:
The insulation net only is set between ionizing part and gathering-device, electrically disturbs still very big; Megohmite insulant just is coated on the accelerating electrode of above-mentioned gathering-device, dust-collecting area is little.
Summary of the invention
The present invention proposes for the problem of the electronic dust collecting filter that solves above-mentioned prior art, the invention provides the electronic dust collecting filter of the air purifier that can bring following effect: megohmite insulant is not coated on the accelerating electrode of gathering-device, collect but carry out dust, can enlarge the collection area by diffusion.
To achieve these goals, the invention provides a kind of electronic dust collecting filter of air purifier, it is characterized in that: the electronic dust collecting filter of above-mentioned air purifier is made of ionization part and gathering-device and wire netting; Ionizing part connects high voltage, makes that to be included in airborne fine dust charged through ionization part the time; The gathering-device that above-mentioned gathering-device is made of the adsorption element of wire accelerating electrode and static behaviour polyurethane foamed material, above-mentioned wire accelerating electrode is applied in the high voltage of positive polarity, the adsorption element of above-mentioned static behaviour polyurethane foamed material is separately positioned on the both sides of above-mentioned accelerating electrode, above-mentioned gathering-device is arranged on the rear of ionizing part, utilize electric exclusion power, charged dust is adsorbed; Above-mentioned wire netting is separately positioned on the both sides of above-mentioned gathering-device, and is connected with ground wire.
The electronic dust collecting filter of aforesaid air purifier, wherein wire netting is formed by aluminium material.
Therefore, electronic dust collecting filter provided by the invention can be brought following effect: owing to do not form independent insulating barrier on wire netting, in gathering-device, do not form independent ground line electrode yet, can be so that the integral body of above-mentioned gathering-device and dust-collecting filter be dwindled the layout (layant) of easy setting air clarifier.
Description of drawings
Fig. 1 demonstrates the oblique view of general air purifier;
Fig. 2 demonstrates the exploded perspective view of general air purifier;
Fig. 3 demonstrates the profile of the dust-collecting filter internal structure of prior art simply;
Fig. 4 demonstrates the profile of the electronic dust collecting filter of air purifier of the present invention simply.
The critical piece description of reference numerals
51: ionization part 51a: discharge electrode
51b: corresponding utmost point 51c discharges: power line
52: gathering-device 52a: accelerating electrode
52b: adsorption element 53: wire netting
The specific embodiment
With reference to the accompanying drawings, embodiments of the invention are described.
Fig. 4 demonstrates the profile of the electronic dust collecting filter of air purifier of the present invention simply.
As shown in Figure 4, the electronic dust collecting filter of air purifier of the present invention comprises ionization part 51, gathering-device 52, wire netting 53 and shell substantially.Ionizing part 51 is utilized high voltage, makes the airborne fine dust of being included in of process charged; Above-mentioned gathering-device 52 is arranged on the rear of ionizing part 51, utilizes electric exclusion power, and charged dust is adsorbed; Above-mentioned wire netting 53 is separately positioned on the both sides of above-mentioned gathering-device 52, is connected with ground wire; Above-mentioned shell supports ionizing part 51 and gathering-device 52 and wire netting 53 respectively.
Ionizing part 51 is made of wire discharge electrode 51a and the corresponding utmost point 51b of a plurality of discharge.Above-mentioned wire discharge electrode 51a is connected on the voltage generator 60, if the high voltage of 5～7kv is imposed on above-mentioned wire discharge electrode 51a, then above-mentioned wire discharge electrode 51a forms just (+) utmost point; The corresponding utmost point 51b of above-mentioned a plurality of discharges that forms according to a determining deviation can insert respectively between the above-mentioned wire discharge electrode 51a, and is connected with ground wire, forms power line 51c between corresponding utmost point 51b of above-mentioned discharge and above-mentioned wire discharge electrode 51a.
In addition, above-mentioned gathering-device 52 is made of wire accelerating electrode 52a and adsorption element 52b.Above-mentioned wire accelerating electrode 52a is applied in+high voltage of polarity; Above-mentioned adsorption element 52b is made of the static behaviour material, is separately positioned on the both sides of above-mentioned wire accelerating electrode 52a, and charged dust is adsorbed.
Wherein, above-mentioned adsorption element 52b preferably uses static behaviour polyurethane foam (polyurethanefoam) material; Above-mentioned wire netting 53 is preferably formed by aluminium material.Utilizing aluminium material to form the wire netting material, is because the electric conductivity of aluminium material is strong, and very light, and price is also cheap.
The electronic dust collecting filter of the air purifier of the present invention by having said structure even do not use independent insulating barrier, also can form insulation in above-mentioned gathering-device.
Process sucks the air of the air cleaner of grid side, by above-mentioned electronic dust collecting filter absorption fine dust.That is to say that air by charged, adsorbs dusts through above-mentioned gathering-device 52 through ionizing part 51 then.Because at the discharge electrode 51a of ionizing part 51 with discharge and be formed with the electromagnetic field shown in the above-mentioned power line 51c between the corresponding utmost point 51b, make the airborne fine dust that is included in through above-mentioned electromagnetic field, by above-mentioned electromagnetic field positively charged.
The air that includes the dust of positively charged, move towards above-mentioned gathering-device 52, in above-mentioned gathering-device 52,, make dust be adsorbed onto in the adsorption element 52b of above-mentioned accelerating electrode 52a both sides by the dust of above-mentioned accelerating electrode 52a electric exclusion positively charged.That is to say, owing to be provided with the wire netting 53 that is connected with ground wire in the both sides of above-mentioned gathering-device 52; Be provided with in the central authorities of above-mentioned gathering-device 52 and be applied in+the accelerating electrode 52a of 3.5KV DC voltage, make the paripheral zone positive electricity of above-mentioned accelerating electrode 52a and the dust of electric exclusion positively charged.So above-mentioned dust is adsorbed in the adsorption element 52b of the static behaviour material that is arranged on above-mentioned accelerating electrode 52a both sides.
But, because the discharge electrode 51a of ionizing part 51 is applied in+high voltage of 5～7kv; The accelerating electrode 52a of above-mentioned gathering-device 52 is applied in+DC voltage of 3.5KV, there are corresponding utmost point 51b of above-mentioned discharge and wire netting 53 although make, still can produce minute current from ionizing part 51 to above-mentioned gathering-device 52 and flow by the voltage difference between corresponding utmost point 51b of above-mentioned discharge and the wire netting 53.For above-mentioned phenomenon, though can not avoid between corresponding utmost point 51b of above-mentioned discharge and wire netting 53, having potential difference, but owing to be provided with the adsorption element 52b that the polyurethane foam (polyurethane foam) by the static behaviour material forms in the accelerating electrode 52a both sides of above-mentioned gathering-device 52, the minute current that above-mentioned adsorption element 52b can cut off between corresponding utmost point 51b of above-mentioned discharge and the wire netting 53 is mobile.So, do not need insulating element to be formed on the above-mentioned wire netting 53, owing to above-mentioned wire netting 53 directly is connected on the ground wire, so need in above-mentioned gathering-device, not form independent ground line electrode as prior art.
Up to the present, though be that the center has been described in detail with embodiments of the invention, the personnel that have general knowledge in the technical field of the invention can propose a lot of distortion in basic fundamental thought range of the present invention.Basic fundamental thought of the present invention is embodied in the patent request scope, and all differences point in the equal with it scope all should be interpreted as belonging to scope of the present invention.
Claims (2)
1, a kind of electronic dust collecting filter of air purifier is characterized in that:
The electronic dust collecting filter of above-mentioned air purifier is made of ionization part and gathering-device and wire netting;
Ionizing part connects high voltage, makes that to be included in airborne fine dust charged through ionization part the time;
The gathering-device that above-mentioned gathering-device is made of the adsorption element of wire accelerating electrode and static behaviour polyurethane foamed material, above-mentioned wire accelerating electrode is applied in the high voltage of positive polarity, the adsorption element of above-mentioned static behaviour polyurethane foamed material is separately positioned on the both sides of above-mentioned accelerating electrode, above-mentioned gathering-device is arranged on the rear of ionizing part, utilize electric exclusion power, charged dust is adsorbed;
Above-mentioned wire netting is separately positioned on the both sides of above-mentioned gathering-device, and is connected with ground wire.
2, the electronic dust collecting filter of air purifier according to claim 1 is characterized in that:
Above-mentioned wire netting is formed by aluminium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031385990A CN100503050C (en) | 2003-04-30 | 2003-04-30 | Electric air collecting filter of air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031385990A CN100503050C (en) | 2003-04-30 | 2003-04-30 | Electric air collecting filter of air purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1541775A CN1541775A (en) | 2004-11-03 |
| CN100503050C true CN100503050C (en) | 2009-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB031385990A Expired - Fee Related CN100503050C (en) | 2003-04-30 | 2003-04-30 | Electric air collecting filter of air purifier |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674400B (en) * | 2016-03-06 | 2019-04-09 | 淄博环能海臣环保技术服务有限公司 | A kind of air-conditioning plasma air purifying composite module |
| CN105689139A (en) * | 2016-04-14 | 2016-06-22 | 南京佳旺安环境科技有限公司 | Electrostatic dust collector |
| CN107520049B (en) * | 2017-08-19 | 2019-06-14 | 盐城吉达机械设备有限公司 | A kind of multistage combined mesh electrode coal dust dust-precipitator |
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| CN1541775A (en) | 2004-11-03 |
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Granted publication date: 20090624 Termination date: 20110430 |