CN203718931U - Air purification device - Google Patents
Air purification device Download PDFInfo
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- CN203718931U CN203718931U CN201320649853.9U CN201320649853U CN203718931U CN 203718931 U CN203718931 U CN 203718931U CN 201320649853 U CN201320649853 U CN 201320649853U CN 203718931 U CN203718931 U CN 203718931U
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Abstract
The utility model discloses an air purification device which comprises an electronic filter net component and a negative ion generator component, wherein a first clearance is arranged between the electronic filter net component and the negative ion generator component; the electronic filter net component comprises a first negative ion emission plate, a first negative ion emission wire, a positive and negative high-voltage module, a positive high-voltage wire and an electronic filter net; the positive and negative high-voltage module is connected with the first negative ion emission plate through the first negative ion emission wire and is connected with the electronic filter net through the positive high-voltage wire; a second clearance is formed between the first negative ion emission plate and the electronic filter net, and the first negative ion emission plate and the electronic filter net are oppositely arranged; the negative ion generator component comprises a second negative ion emission plate, a second negative ion emission wire and a negative ion generator; the negative ion generator is connected with the second negative ion emission plate through the second negative ion emission wire; the second negative ion emission plate and the first negative ion emission plate are arranged in the same direction. The air purification device can output high-concentration negative oxygen ions so as to effectively remove flying dust and particularly clear away particles within PM2.5.
Description
Technical field
The utility model relates to air purification field, refers to especially a kind of air cleaning unit.
Background technology
Along with the development of industry and transportation, a large amount of harmful substances is discharged in air, has changed the normal composition of air, and air quality is degenerated.Among we live in the air being polluted time, health will be affected.In order to improve ambient air quality, create clean adapt circumstance,, there are on the market various air clearing products in protection health, but it is limited in one's ability to process air-polluting, and output ion concentration is very low, processes spatial dimension limited.
General air purifier is all to adopt filter screen or combination strainer filtering to eliminate floating dust without exception, this just need to be with blower fan air suck air clarifier, then in machine, various floating dusts are filtered on filter screen. this mode, efficiency is very low, and filter screen pollutes very soon to be needed to change. however also helpless with the general filter screen of interior particulate for PM2.5.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to propose a kind ofly have the negative oxygen ion output of high concentration and can effectively eliminate floating dust and particularly remove the air cleaning unit of PM2.5 with interior particulate.
The technical scheme adopting is:
A kind of air cleaning unit, comprises electronics net-filter assembly and anion generator assembly, between described electronics net-filter assembly and anion generator assembly, is provided with the first spacing, wherein,
Described electronics net-filter assembly comprises the first anion emission plate, the first anion emission line, positive or negative high voltage module, positive high voltage line and electronics filter screen; Described positive or negative high voltage module is connected with the first anion emission plate by the first anion emission line, and is connected with electronics filter screen by positive high voltage line; Between described the first anion emission plate and electronics filter screen, be provided with the second spacing, and be oppositely arranged;
Described anion generator assembly comprises the second anion emission plate, the second anion emission line and anion generator, and described anion generator is connected with the second anion emission plate by the second anion emission line; Described the second anion emission and the first anion emission plate arrange in the same way.
Preferably, described electronics net-filter assembly is one group, two groups or three groups.
Preferably, be oppositely arranged parallel with electronics filter screen of described the first anion emission plate, and both two relative face sizableness.
Preferably, described electronics filter screen and described positive high voltage line removably connect.
Preferably, described electronics net-filter assembly also comprises the 3rd anion emission plate, and the 3rd anion emission plate is positioned at the side of electronics filter screen away from the first anion emission plate; And the 3rd anion emission plate and electronics filter screen are oppositely arranged, be provided with the 3rd spacing between the two.
In such scheme, described air cleaning unit can also comprise a fan, and described fan is between electronics net-filter assembly and anion generator assembly.
In such scheme, described positive or negative high voltage module is kation anion generator or plasma generator.
In such scheme, described positive or negative high voltage module is one to have the anion generator of ground connection common port, and described ground connection common port is positive high voltage line.
The beneficial effect that air cleaning unit of the present utility model produces has:
1, can effectively remove particulate (containing PM2.5 or less);
2, because its energy is large, can apply to the processing of discharge of industrial wastes (waste gas);
3, specify particulate to sink and hit place, effectively avoid dirty other place;
4, the filter screen life-span long, can be unlimited reuse, cleaning is convenient, reduces use cost;
5, air intermediate ion concentration is high, and action space is large, the successful that purifies air, and there is obvious effect in 100 cubes of above spaces, can be used for indoor dedusting, also can be used for outdoor dedusting.
In following part, in connection with accompanying drawing, structure of the present utility model, operation principle, the beneficial effect that produces are explained in detail.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the air cleaning unit of the utility model embodiment 1;
Fig. 2 is the circuit block diagram of the positive or negative high voltage module of the utility model embodiment 1;
Fig. 3 is the circuit block diagram of the anion generator of the utility model embodiment 1;
Fig. 4 is the positive or negative high voltage module of the utility model embodiment 1 and the circuit block diagram of anion generator work, and the circuit block diagram shown in Fig. 2 coordinates the circuit block diagram forming with the circuit block diagram shown in Fig. 3;
Fig. 5 is the structural representation of the air cleaning unit of the utility model embodiment 2;
Fig. 6 is the structural representation of the air cleaning unit of the utility model embodiment 3;
Fig. 7 is another circuit block diagram of the positive or negative high voltage module of the utility model embodiment 6;
Fig. 8 is the positive or negative high voltage module of the utility model embodiment 6 and another circuit block diagram of anion generator work, and the circuit block diagram shown in Fig. 6 coordinates the circuit block diagram forming with the circuit block diagram shown in Fig. 3;
Drawing reference numeral and corresponding title:
1-electronics net-filter assembly; 2-anion generator assembly; 3-housing; 4-fan; 5-air channel; 6-air inlet; 7-air outlet;
11-the first anion emission plate; 12-the first anion emission line; 13-positive or negative high voltage module; 14-positive high voltage line; 15-electronics filter screen; 16,24-power supply wiring; 17-the 3rd anion emission plate; 18-the 3rd anion emission line; 19-the 3rd anion launcher; 21-the second anion emission plate; 22-the second anion emission line; 23-anion generator;
131,131 ＇, 231-power conversion arrange filter circuit; 132,132 ＇, 232-oscillating circuit; 233-booster circuit; 234-negative pressure rectification circuit; 235-current limliting output circuit; 236,136 ＇-frequency current Circuit tuning;
1331-the first booster circuit; 1332 second booster circuits; 1341-forward rectification circuit; 1342,1342 ＇-oppositely rectification circuit; 1351,1351 ＇-the first current limliting output circuits; 1352,1352 ＇-the second current limliting output circuits; 1361-first frequency matrix current adjustment circuit; 1362-second frequency matrix current adjustment circuit; 1332 ＇-booster circuit; 1331 ＇-common port.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model preferred embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
Air cleaning unit shown in Figure 1, it comprises electronics net-filter assembly 1 and anion generator assembly 2, between described electronics net-filter assembly 1 and anion generator assembly 2, is provided with the first spacing, wherein,
Described electronics net-filter assembly 1 comprises the first anion emission plate 11, the first anion emission line 12, positive or negative high voltage module 13, positive high voltage line 14 and electronics filter screen 15; Described positive or negative high voltage module 13 is connected with the first anion emission plate 11 by the first anion emission line 12, and is connected with electronics filter screen 15 by positive high voltage line 14; Between described the first anion emission plate 11 and electronics filter screen 15, be provided with the second spacing, and be oppositely arranged;
Described anion generator assembly 2 comprises the second anion emission plate 21, the second anion emission line 22 and anion generator 23, and described anion generator 23 is connected with the second anion emission plate 21 by the second anion emission line 22; Described the second anion emission 21 and the first anion emission plate 11 arrange in the same way.
Both are provided with corresponding power supply wiring 16,24 described positive or negative high voltage module 13 and anion generator 23.In general, corresponding power supply wiring can be realized and all can be automatically provided with to positive or negative high voltage module 13 and anion generator 23 in the art, can connect electricity work.On the first anion emission plate 11 and the second anion emission plate 21, be equipped with multiple anion emission ends side by side, the termination of this anion emission end can be pin end, can be also carbon brush or hairbrush.The first above-mentioned anion emission plate 11 is oppositely arranged with electronics filter screen 15, and its implication is: the anion emission end of the first anion emission plate 11 points to electronics filter screen 15.Above-mentioned the second anion emission 21 and the first anion emission plate 11 arrange in the same way, and its implication is: the anion emission end of the anion emission end of the second anion emission plate 21 and the first anion emission plate 11 points to same direction.
Realize the circuit block diagram that positive or negative high voltage module 13 is worked, can be shown in Figure 2, this positive or negative high voltage module 13 comprises that power conversion arranges filter circuit 131, oscillating circuit 132, booster circuit, voltage doubling rectifing circuit and current limliting output circuit, wherein, described booster circuit comprises two booster circuit square frames shown in the first booster circuit 1331 and second booster circuit 1332(Fig. 2), described voltage doubling rectifing circuit comprises forward rectification circuit 1341 and reverse rectification circuit 1342, described current limliting output circuit comprises two current limliting output square frames shown in the first current limliting output circuit 1351 and second current limliting output circuit 1352(Fig. 2), after described power conversion arrangement filter circuit 131 is first electrically connected with oscillating circuit 132, oscillating circuit 132 is electrically connected with the first booster circuit 1331 and the second booster circuit 1332 respectively again, then the first booster circuit 1331 is electrically connected forward rectification circuit 1341 and the first current limliting output circuit 1351, the second booster circuits 1332 are electrically connected reverse rectification circuit 1342 and the second current limliting output circuit 1352 in order successively in order successively.In conjunction with referring to Fig. 1, the first current limliting output circuit 1351 is by high-voltage line 14 and electronics filter, 15 electrical connections; The second current limliting output circuit 1352 is electrically connected with the first anion emission plate 11 by the first anion emission line 12.
Described oscillating circuit 132 is self-excitation or its sharp single tube or two-tube push-pull oscillator circuit.
Referring to Fig. 2, described positive or negative high voltage module 13 also comprises frequency current Circuit tuning, described frequency current Circuit tuning comprises two frequency currents adjustment square frames shown in first frequency matrix current adjustment circuit 1361 and second frequency matrix current adjustment circuit 1362(Fig. 2), described first frequency matrix current adjustment circuit 1361 is electrically connected with the first booster circuit 1331 and oscillating circuit 132 respectively, forms the first loop; Described second frequency matrix current adjustment circuit 1362 is electrically connected with the second booster circuit 1332 and oscillating circuit 132 respectively, forms second servo loop.
According to the circuit block diagram shown in Fig. 2, can be by the one circuit board control of positive or negative high voltage module integration.Its course of work, those skilled in the art can directly draw according to the arrow of this map of current, not repeat them here.
Realize the circuit block diagram that anion generator 23 is worked, can be shown in Figure 3, this anion generator 23 comprises that in order the power conversion of electrical connection arranges filter circuit 231, oscillating circuit 232, booster circuit 233, negative pressure rectification circuit 234 and current limliting output circuit 235 successively.In conjunction with referring to Fig. 1, described current limliting output circuit 235 is electrically connected with the second anion emission plate 21 by the second anion emission line 22.Described oscillating circuit 232 is self-excitation or its sharp single tube or two-tube push-pull oscillator circuit.Described anion generator 23 also comprises frequency current Circuit tuning 236, and described frequency current Circuit tuning 236 is electrically connected with booster circuit 233 and oscillating circuit 232 respectively, forms loop.
According to the circuit block diagram shown in Fig. 3, can be by an integrated anion generator circuit board control.Its course of work, those skilled in the art can directly draw according to the arrow of this map of current, not repeat them here.
When work, shown in Fig. 1 and Fig. 4, positive or negative high voltage module is connected to power supply with anion generator by power supply wiring, positive or negative high voltage module and anion generator are started working according to the circuit block diagram shown in Fig. 4.On the one hand, export high pressure (high pressure of exportable 15000VDC～50000VDC) by anion generator, the negative ion concentration of the PCS/ cubic centimetre of up to ten million levels can be tested in three meters of distant places of anion that the second anion emission plate was launched in air in the past, higher than 100,000,000 PCS/ cubic centimetres of professional standard 30CM place test, make airborne negative ion concentration high, ensured the concentration of airborne negative oxygen ion.
On the other hand simultaneously, by positive or negative high voltage module, make the first anion emission plate toward electronics filter screen transmitting anion, make particulate electronegative, adsorb electronegative PM2.5 or less particulate with the electronics filter screen of positive high voltage electric field, particulate is adsorbed on electronics filter screen firmly.
This air cleaning unit is mainly to have utilized two key components, and wherein first assembly is electronics net-filter assembly, and another assembly is anion generator assembly, realizes the purification of air.
Because the output voltage of positive or negative high voltage module and negative high voltage circuit is large, the negative-ion energy of generation is large, and this air cleaning unit can apply to the processing of discharge of industrial wastes (waste gas); Also can specify particulate to sink and hit place, effectively avoid dirty other place.
According to the actual needs of this application places and actual effect, can electronics net-filter assembly be set to one group, two groups, more than three groups or three groups.Such as, while arranging three groups, can also selectively work, carry out work by arranging a certain group or certain two groups that switch selects to carry out in three groups.
Embodiment 2
With reference to embodiment 1, the present embodiment comprises the full content of embodiment 1, but as different from Example 1, in order to increase the ability of PM2.5 with interior particulate of removing, referring to Fig. 5, described electronics net-filter assembly 1 also comprises that the 3rd anion emission plate 17, the three anion emission plates 17 are positioned at the side of electronics filter screen 15 away from the first anion emission plate 11; And the 3rd anion emission plate 17 is oppositely arranged with electronics filter screen 15, is provided with the 3rd spacing between the two.Being oppositely arranged herein, and implication also refers to: the anion emission end of the 3rd described anion emission plate 17 points to electronics filter screen 15.For the 3rd anion emission plate can be worked, it can be connected (not shown) by one the 3rd anion emission line with positive or negative high voltage module accordingly; One the 3rd anion generator 19 also can be set separately, and then the 3rd anion generator is connected with the 3rd anion emission plate 17 by the 3rd anion emission line 18, as shown in Figure 5.
Embodiment 3
With reference to embodiment 1, the present embodiment comprises the full content of embodiment 1, but as different from Example 1, referring to Fig. 6, in order to use more convenient and safety, the air cleaning unit of the present embodiment is provided with a housing 3, then in housing 3, is provided with electronics net-filter assembly 1 and anion generator assembly 2, and is provided with a fan 4 between the two at electronics net-filter assembly 1 and anion generator assembly 2.It is distinguished and admirable that the effect of this fan 4 is to make this air cleaning unit form, so, in this housing, be provided with shown in an air channel 5(number in the figure is the part in air channel), this air channel 5 has air inlet 6 and air outlet 7, air inlet 7 leads to the first anion emission plate 11, and the second anion emission plate 21 points to air outlet 7.On the first anion emission plate 11 and the second anion emission plate 21, be equipped with multiple anion emission ends side by side, the termination of this anion emission end can be pin end, can be also carbon brush or hairbrush.
Embodiment 4
With reference to embodiment 3, as different from Example 3, the present embodiment is further optimization and the restriction to embodiment 3 structures, referring to Fig. 6, for making the operating efficiency of electronics net-filter assembly reach optimum configuration, need to meet two conditions: 1, the first anion emission plate is parallel with electronics filter screen is oppositely arranged, 2, both two relative face sizableness.When meeting this two conditions, after the anion of the first anion emission plate transmitting makes particulate charged, can all on band electronics filter screen on schedule, adsorb, and can not cause the unreasonable configuration of structure.Structure chart shown in Fig. 6 has met this two conditions, no longer separately shows it as accompanying drawing herein.
Embodiment 5
With reference to embodiment 4, as different from Example 4, the present embodiment is further optimization and the restriction to embodiment 4 structures, referring to Fig. 6, in electronics net-filter assembly 1, electronics filter screen 15 removably connects with positive high voltage line 14, is connected (not shown, can to do this to the structure shown in Fig. 6 and further optimize) as both can correspondence arrange jack with joint.Can make like this electronics filter screen convenient disassembly, cleaning that can be regular, easy to maintenance.When cleaning, washing, hairbrush cleaning etc. all can.Certainly, those skilled in the art can also further optimize, and such as the positive or negative high voltage module shown in Fig. 6 and anion generator are arranged in housing, only both power supply wirings is drawn to housing.
Embodiment 6
With reference to embodiment 5, as different from Example 5, the present embodiment is that negative ions module 13 ＇ that embodiment 5 is selected carry out the design of another circuit block diagram, referring to Fig. 7, this negative ions module 13 ＇ comprise that power conversion arranges filter circuit 131 ＇, oscillating circuit 132 ＇, booster circuit 1332 ＇, common port 1331 ＇, reverse rectification circuit 1342 ＇ and current limliting output circuit, and wherein said current limliting output circuit comprises the first current limliting output circuit 1351 ＇ and the second current limliting output circuit 1352 ＇; Described power conversion arranges filter circuit 131 ＇ and is first electrically connected with oscillating circuit 132 ＇, oscillating circuit 132 ＇ are electrically connected after booster circuit 1332 ＇ again, on booster circuit, draw common port 1331 ＇, then common port 1331 ＇ are connected with the first current limliting output circuit 1351 ＇, and booster circuit is electrically connected reverse rectification circuit 1342 ＇ and the second current limliting output circuit 1352 ＇ in order successively.
Described oscillating circuit 132 ＇ are self-excitation or its sharp single tube or two-tube push-pull oscillator circuit.Described positive or negative high voltage module 13 ＇ also comprise frequency current Circuit tuning 136 ＇, and described frequency current Circuit tuning 136 ＇ are electrically connected with booster circuit 1332 ＇ and oscillating circuit 132 ＇ respectively, form loop.
According to the circuit block diagram shown in Fig. 7, also can be by the one circuit board control of positive or negative high voltage module integration.
When work, shown in Fig. 6 and Fig. 8, positive or negative high voltage module is connected to power supply with anion generator by power supply wiring, positive or negative high voltage module and anion generator are started working according to the circuit block diagram shown in Fig. 8.
Embodiment 7
With reference to embodiment 5, as different from Example 5, described positive or negative high voltage module is kation anion generator.
Embodiment 8
With reference to embodiment 5, as different from Example 5, described positive or negative high voltage module is plasma generator.
Embodiment 9
With reference to embodiment 5, as different from Example 5, the present embodiment is to be one to have the anion generator of ground connection common port to the positive or negative high voltage module of embodiment 4, and now, described ground connection common port is positive high voltage line.This anion generator with ground connection common port is electrically connected with electronics filter screen by ground connection common port on the one hand, is electrically connected on the other hand by the first anion emission line with the first anion emission plate.
The air cleaning unit of embodiment 2-9 is except having the effect of embodiment 1, further clear and definite electronics net-filter assembly carries out the purification of air in air cleaning unit enclosure interior, anion generator assembly carries out the purification of air for transmitting anion outside air cleaning unit.On the one hand, by anion generator assembly transmitting anion, make the airborne negative ion concentration of this air cleaning unit hull outside high, ensured the concentration of airborne negative oxygen ion.On the other hand simultaneously, by electronics filter screen module, make the first anion emission plate toward electronics filter screen transmitting anion, make to come in from the air channel particulate of (under the effect of fan) is electronegative, adsorb electronegative PM2.5 or less particulate with the electronics filter screen of positive high voltage electric field, particulate is adsorbed on electronics filter screen firmly.
Thereby, compared with prior art, except the effect that embodiment has, also have:
1, pass through electronics net-filter assembly to the electronegative son of particulate, by band electronics filter screen absorption on schedule, compared with adopting simply filter screen or combination filter screen more can effectively remove particulate (containing PM2.5 or less);
2, the electronics filter screen life-span long, detachable maintenance is reused, cleaning is convenient, reduces use cost;
3, the negative ion concentration of transmitting is high, and action space is large, the successful that purifies air, and there is obvious effect in 100 cubes of above spaces.Because negative oxygen ion is with a large amount of negative electrical charges, suck human body and there is absorption soon, the soluble function that can fast repairing be charged to cerebral blood vessel oxygen, the dizziness, headache, the neuralgia phenomenon that can produce obvious improvement, alleviate that the common face of human body is dry, mental fatigue, insomnia cause, and there is the effect of quick elimination fatigue.High-concentration negative oxygen ion is the air vitamin particle without any side effect, negative oxygen ion also has air-cleaning function simultaneously, not only can remove in this air cleaning unit inside containing PM2.5 or less particulate, also can remove to remove PM2.5, flue dust outward at this air cleaning unit, eliminate formaldehyde, remove peculiar smell, and kill the pathogen such as various virus, bacterium, thereby influenza, the virus of eliminating human body are had to remarkable effect.According to this effect, can be used for indoorly, also can be used for outdoor; Can be used for household and use, also can be used for industry or medical treatment use.
In addition, it should be noted that, the utility model can also have more embodiment, for example those skilled in the art are according to the circuit diagram shown in the record redesign of this description and Fig. 4 or Fig. 8, its principle is equal to Fig. 4 or Fig. 8, for example positive or negative high voltage module replaces with a kind of split type cation generator and anion generator of combination again, or with drawing anion generator replacement of a high tension loop etc., as long as those skilled in the art is according to being equal to or equivalent variation of doing in this description scope of disclosure, all should be considered as dropping in protection domain of the present utility model.
Namely; the foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle; any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. an air cleaning unit, is characterized in that, comprises electronics net-filter assembly and anion generator assembly, between described electronics net-filter assembly and anion generator assembly, is provided with the first spacing, wherein,
Described electronics net-filter assembly comprises the first anion emission plate, the first anion emission line, positive or negative high voltage module, positive high voltage line and electronics filter screen; Described positive or negative high voltage module is connected with the first anion emission plate by the first anion emission line, and is connected with electronics filter screen by positive high voltage line; Between described the first anion emission plate and electronics filter screen, be provided with the second spacing, and be oppositely arranged;
Described anion generator assembly comprises the second anion emission plate, the second anion emission line and anion generator, and described anion generator is connected with the second anion emission plate by the second anion emission line; Described the second anion emission and the first anion emission plate arrange in the same way.
2. air cleaning unit as claimed in claim 1, is characterized in that, described electronics net-filter assembly is one group, two groups or three groups.
3. air cleaning unit as claimed in claim 1, is characterized in that, be oppositely arranged parallel with electronics filter screen of described the first anion emission plate, and both two relative face sizableness.
4. air cleaning unit as claimed in claim 1, is characterized in that, described electronics filter screen and described positive high voltage line removably connect.
5. air cleaning unit as claimed in claim 1, is characterized in that, described electronics net-filter assembly also comprises the 3rd anion emission plate, and the 3rd anion emission plate is positioned at the side of electronics filter screen away from the first anion emission plate; And the 3rd anion emission plate and electronics filter screen are oppositely arranged, be provided with the 3rd spacing between the two.
6. the air cleaning unit as described in claim 1-4 any one, is characterized in that, also comprises a fan, and described fan is between electronics net-filter assembly and anion generator assembly.
7. the air cleaning unit as described in claim 1-5 any one, is characterized in that, described positive or negative high voltage module is kation anion generator or plasma generator.
8. the air cleaning unit as described in claim 1-5 any one, is characterized in that, described positive or negative high voltage module is one to have the anion generator of ground connection common port, and described ground connection common port is positive high voltage line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320649853.9U CN203718931U (en) | 2013-10-21 | 2013-10-21 | Air purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320649853.9U CN203718931U (en) | 2013-10-21 | 2013-10-21 | Air purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203718931U true CN203718931U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320649853.9U Withdrawn - After Issue CN203718931U (en) | 2013-10-21 | 2013-10-21 | Air purification device |
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| Country | Link |
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| CN (1) | CN203718931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542457A (en) * | 2013-10-21 | 2014-01-29 | 王大君 | Air purifying device |
-
2013
- 2013-10-21 CN CN201320649853.9U patent/CN203718931U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542457A (en) * | 2013-10-21 | 2014-01-29 | 王大君 | Air purifying device |
| CN103542457B (en) * | 2013-10-21 | 2015-12-30 | 王大君 | A kind of air cleaning unit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20151230 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |