CN213454190U - Air filtering component and air purifier applying same - Google Patents
Air filtering component and air purifier applying same Download PDFInfo
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- CN213454190U CN213454190U CN202021026770.0U CN202021026770U CN213454190U CN 213454190 U CN213454190 U CN 213454190U CN 202021026770 U CN202021026770 U CN 202021026770U CN 213454190 U CN213454190 U CN 213454190U
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Abstract
The utility model relates to an air filter component and applied air purifier who has this air filter component, air filter component include ion generation module and collection module, and ion generation module has the ion emission head of being connected with high-voltage electricity, and collection module has the electrically conductive filter screen of being connected with high-voltage electricity, and the polarity of the high-voltage electricity that ion emission head and electrically conductive filter screen are connected is opposite, and the ion emission head extends towards electrically conductive filter screen direction and is 2.8 ~ 10.2cm with the distance between the electrically conductive filter screen. The filter effect of filtering component connects the voltage direct correlation of high-voltage electricity with ion emission head, electrically conductive filter screen, but effective voltage is load voltage, because both exist and offset each other, and actual no-load voltage need be far more than load voltage, the utility model discloses with distance control between ion emission head and the electrically conductive filter screen at 2.8 ~ 10.2cm, make high-pressure package no-load voltage all reduce more than 2000V to reduce ozone and taken place, be favorable to improving filter effect, extension filter screen subassembly life.
Description
Technical Field
The utility model relates to an air filter component and applied air purifier who has this air filter component.
Background
As society develops and environments become polluted, air cleaners are becoming more familiar, and in general, air cleaners absorb polluted ambient air, purify the absorbed air, and discharge clean air to the outside, thereby purifying air in the area around the air cleaners.
The filter screen module is air purifier's core module, and whether its powerful has decided air purifier's purifying effect good and bad. The Chinese utility model patent with publication number CN206853384U, air filtration structure and air purifier (application number: CN201720772282.6), discloses a structure, the air filtration structure comprises a filter screen component and a discharge part; the filter screen assembly comprises a first filter screen and a second filter screen which are connected with each other, the second filter screen is made of a conductive material, and the discharge part and the second filter screen are arranged at intervals; the discharging part is used for being electrically connected with the negative electrode of the high-voltage power supply, and the second filter screen is used for being electrically connected with the positive electrode of the high-voltage power supply. The filtering module structure has higher purifying efficiency and has been widely concerned at present.
However, ozone is easily generated between the first filter and the second filter; in addition, the positive high voltage and the negative high voltage applied to the first filter screen and the second filter screen are mutually offset, so that a large deviation exists between the actual no-load voltage and the load voltage, the filtering effect is influenced, and the service life of the filtering component is also adversely affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the first technical problem that to prior art, provide an air filter component that can effectively reduce ozone production, increase of service life to the current situation of prior art.
The utility model discloses the second technical problem that will solve is to prior art's current situation, provides an air purifier who uses above-mentioned air filtering component.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides an air filtering component, includes that ion generation module and collection module, along the circulation of air direction, the low reaches of ion generation module are located to the collection module, ion generation module has the ion emission head of being connected with high voltage electricity, the collection module has the electrically conductive filter screen of being connected with high voltage electricity, just the polarity of the high voltage electricity that ion emission head and electrically conductive filter screen are connected is opposite, its characterized in that: ion generation module, collection module interval arrangement on the air circulation direction, the ion emission head extends towards electrically conductive filter screen direction and is 2.8 ~ 10.2cm with the distance between the electrically conductive filter screen.
As an improvement, the distance between the ion emission head and the conductive filter screen is 3.5-5.5 cm. Experiments prove that when the ion emission head is connected with-6000V and the conductive filter screen is connected with +4000V high-voltage electricity, the filtering efficiency can be improved by one grade, and meanwhile, the service life of the filtering component is prolonged to more than 1 time; however, the voltage is a load voltage, and because the voltage and the load voltage are mutually offset, the actual no-load voltage can achieve the effect only when the voltage is more than-12000V and +8000V, and the offset degree is in inverse proportion to the distance between the ion emission head and the conductive filter screen; the utility model discloses with the distance control between ion emission head and the electrically conductive filter screen at 3.5~ 5.5cm, make high-pressure package no-load voltage positive and negative end all reduce more than 2000V to reduce ozone and taken place, be favorable to improving filter effect, prolong filter screen subassembly life and reach more than 3 times of former life.
In the utility model, the ion emission head is connected with negative high voltage electricity, and the conductive filter screen is connected with positive high voltage electricity; or the ion emission head is connected with positive high-voltage electricity, and the conductive filter screen is connected with negative high-voltage electricity. The utility model discloses an ion that the ion emission head arouses makes the granule in the air carry the electric charge, and the electrically conductive filter screen circular telegram is opposite with this electric charge polarity to adsorb the collection with electrified granule.
In each of the above schemes, the conductive filter screen includes a supporting layer, a melt-blown layer and a conductive layer, the supporting layer is located in the middle, the melt-blown layer is disposed on a first sidewall of the supporting layer, the conductive layer is disposed on a second sidewall of the supporting layer, the second sidewall being opposite to the first sidewall, and the conductive layer is used for being electrically connected with a high voltage.
As one scheme, in the air circulation direction, the melt-blown layer is located upstream of the support layer and is arranged close to the ion emission head, and the conductive layer is located downstream of the support layer and is arranged far away from the ion emission head.
As another scheme, along the air circulation direction, the melt-blown layer is located at the downstream of the support layer and is arranged far away from the ion emission head, and the conductive layer is located at the upstream of the support layer and is arranged close to the ion emission head.
The utility model provides an use air purifier who has above-mentioned air filtering component, includes casing and fan system, casing lower part or bottom are opened there is the air intake, the top is opened there is the air outlet, fan system locates in the casing and is used for inhaling wind from the air intake, discharge from the air outlet, its characterized in that: the air filtering component is arranged in the shell and covers an air inlet channel or an air outlet channel of the fan system.
Preferably, the air filtering assembly covers the air outlet channel of the fan system and is arranged close to the air outlet. This structure is convenient for filter all air-outs, improves air purification effect.
Compared with the prior art, the utility model has the advantages of: the filter element's filter effect and ion emission head, electrically conductive filter screen connect the voltage of high voltage electricity directly relevant, but effective voltage is load voltage, because both exist and offset each other, actual no-load voltage need be far more than load voltage, and above-mentioned offset the degree and the distance between ion emission head and the electrically conductive filter screen becomes inverse ratio relation, the utility model discloses with the distance control between ion emission head and the electrically conductive filter screen at 2.8 ~ 10.2cm, make high-pressure package no-load voltage positive and negative end all reduce more than 2000V to ozone generation has been reduced, is favorable to improving filter effect, extension filter screen subassembly life.
Drawings
FIG. 1 is a schematic structural view of an air filter assembly according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
FIG. 3 is a cross-sectional view of FIG. 1;
fig. 4 is the structure schematic diagram of the air purifier of embodiment 1 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example 1:
as shown in fig. 1 to 3, the air filter assembly 100 of the present embodiment includes an ion generating module 1 and a collecting module 2, and the collecting module 2 is disposed at the downstream of the ion generating module 1 along the air circulation direction. The ion generating module 1 is provided with an ion emitting head 11 electrically connected with high voltage, the collecting module 2 is provided with a conductive filter screen 21 electrically connected with high voltage, and the polarity of the high voltage electricity connected with the ion emitting head 11 and the conductive filter screen 21 is opposite. The ion generating module 1 and the collecting module 2 are arranged at intervals in the air circulation direction, and the ion emitting head 11 extends towards the direction of the conductive filter screen 21 and has a distance d of 2.8-10.2 cm from the conductive filter screen 21.
The conductive filter screen 21 includes a support layer 211, a meltblown layer 212, and a conductive layer 213, wherein the support layer 211 is located in the middle, the meltblown layer 212 is disposed on a first sidewall of the support layer 211, and charges are injected into the meltblown layer 212 through an electrostatic electret technique, so that the meltblown layer 212 is internally charged, and thus, micro particles are adsorbed and removed by using electrostatic action of the micro charges. The conductive layer 213 is provided on a second sidewall of the support layer 211, which is arranged opposite to the first sidewall, the conductive layer 213 being for electrical connection with a high voltage.
In this embodiment, the ion emitter 11 is connected to a negative high voltage power, and the conductive filter 21 is connected to a positive high voltage power. In the air flow direction, the meltblown layer 212 is located upstream of the support layer 211 and is disposed adjacent to the ion emitter head 11, and the conductive layer 213 is located downstream of the support layer 211 and is disposed away from the ion emitter head 11. When air passes through the ion generation module 1, ions excited by the ion emission head 11 are combined with microparticles in the air, so that the particle size of the microparticles is increased, and the microparticles can be absorbed by a filter screen; when the air further passes through the collection module 2, the charged particles are adsorbed on the conductive filter screen 21 because the electrified polarity of the collection module 2 is opposite to that of the ion generation module 1 and the charged particles are attracted in opposite directions; in the process that air passes through the collection module 2, charged particles enter the melt-blown layer 212 under the traction of the conductive filter screen 21 to form an electret effect, so that static charges in the melt-blown layer 212 which disappear along with the use time can be supplemented, and the service life of the melt-blown layer 212 for purifying particles is greatly prolonged.
In the present embodiment, the distance d between the ion emitter 11 and the conductive filter 21 is 3.5-5.5 cm. Experiments prove that when the ion emission head is connected with-6000V and the conductive filter screen is connected with +4000V high-voltage electricity, the filtering efficiency can be improved by one grade, and meanwhile, the service life of the filtering component is prolonged to more than 1 time; however, the voltage is a load voltage, and because the voltage and the load voltage are mutually offset, the actual no-load voltage can achieve the effect only when the voltage is more than-12000V and +8000V, and the offset degree is in inverse proportion to the distance between the ion emission head and the conductive filter screen; the utility model discloses with the distance control between ion emission head and the electrically conductive filter screen at 3.5~ 5.5cm, make high-pressure package no-load voltage positive and negative end all reduce more than 2000V to reduce ozone and taken place, be favorable to improving filter effect, prolong filter screen subassembly life and reach more than 3 times of former life.
As shown in fig. 4, the air purifier of the present embodiment includes a housing 3 and a blower system (not shown in the figure), wherein the bottom of the housing 3 is provided with an air inlet 31, the top of the housing 3 is provided with an air outlet 32, and the blower system is disposed in the housing 3 and is used for sucking air from the air inlet 31 and discharging air from the air outlet 32. The air filtering component 100 is disposed in the casing 3 and covers the air outlet channel of the fan system, and is disposed near the air outlet 32, so as to improve the air purifying effect.
Example 2:
this example differs from example 1 only in that: the ion emitting head 11 of this embodiment is connected to a positive high voltage power, and the conductive screen 21 is connected to a negative high voltage power. In the air flow direction, the meltblown layer 212 is located upstream of the support layer 211 and is disposed adjacent to the ion emitter head 11, and the conductive layer 213 is located downstream of the support layer 211 and is disposed away from the ion emitter head 11.
Example 3:
this example differs from example 1 only in that: the ion emitter head 11 of the present embodiment is connected to a negative high voltage power, and the conductive screen 21 is connected to a positive high voltage power. In the air flow direction, the meltblown layer 212 is located downstream of the support layer 211 and is disposed away from the ion emitter head 11, and the conductive layer 213 is located upstream of the support layer 211 and is disposed adjacent to the ion emitter head 11.
Example 4:
the ion emitting head 11 of this embodiment is connected to a positive high voltage power, and the conductive screen 21 is connected to a negative high voltage power. In the air flow direction, the meltblown layer 212 is located downstream of the support layer 211 and is disposed away from the ion emitter head 11, and the conductive layer 213 is located upstream of the support layer 211 and is disposed adjacent to the ion emitter head 11.
Claims (8)
1. The utility model provides an air filtering component, includes ion generation module (1) and collection module (2), along the circulation of air direction, the low reaches of ion generation module (1) are located in collection module (2), ion generation module (1) has ion emission head (11) of being connected with high voltage electricity, collection module (2) have electrically conductive filter screen (21) of being connected with high voltage electricity, just the polarity of high voltage electricity that ion emission head (11) and electrically conductive filter screen (21) are connected is opposite, its characterized in that: ion generation module (1), collection module (2) are at the interval arrangement on the air circulation direction, ion emission head (11) extend towards electrically conductive filter screen (21) direction and be 2.8 ~ 10.2cm with distance (d) between electrically conductive filter screen (21).
2. An air filtration assembly according to claim 1 wherein: the distance (d) between the ion emission head (11) and the conductive filter screen (21) is 3.5-5.5 cm.
3. An air filter assembly according to claim 1 or 2 wherein: the ion emission head (11) is connected with negative high-voltage electricity, and the conductive filter screen (21) is connected with positive high-voltage electricity; or the ion emission head (11) is connected with positive high-voltage electricity, and the conductive filter screen (21) is connected with negative high-voltage electricity.
4. An air filtration assembly according to claim 3 wherein: the conductive filter screen (21) comprises a support layer (211), a melt-blown layer (212) and a conductive layer (213), wherein the support layer (211) is arranged in the middle, the melt-blown layer (212) is arranged on a first side wall of the support layer (211), the conductive layer (213) is arranged on a second side wall, opposite to the first side wall, of the support layer (211), and the conductive layer (213) is used for being electrically connected with high voltage.
5. An air filtration assembly according to claim 4 wherein: along the air circulation direction, the melt-blown layer (212) is located at the upstream of the supporting layer (211) and is arranged close to the ion emission head (11), and the conducting layer (213) is located at the downstream of the supporting layer (211) and is arranged far away from the ion emission head (11).
6. An air filtration assembly according to claim 4 wherein: along the air circulation direction, the melt-blown layer (212) is located at the downstream of the support layer (211) and is arranged far away from the ion emission head (11), and the conductive layer (213) is located at the upstream of the support layer (211) and is arranged close to the ion emission head (11).
7. An air purifier applying the air filtering component of any one of claims 1 to 6, comprising a housing (3) and a fan system, wherein the lower part or the bottom of the housing (3) is provided with an air inlet (31), the top of the housing is provided with an air outlet (32), the fan system is arranged in the housing (3) and is used for sucking air from the air inlet (31) and discharging air from the air outlet (32), and the air purifier is characterized in that: the air filtering component (100) is arranged in the shell (3) and covers an air inlet channel or an air outlet channel of the fan system.
8. The air purifier of claim 7, wherein: the air filtering component (100) covers the air outlet channel of the fan system and is arranged close to the air outlet (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026770.0U CN213454190U (en) | 2020-06-05 | 2020-06-05 | Air filtering component and air purifier applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021026770.0U CN213454190U (en) | 2020-06-05 | 2020-06-05 | Air filtering component and air purifier applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213454190U true CN213454190U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021026770.0U Active CN213454190U (en) | 2020-06-05 | 2020-06-05 | Air filtering component and air purifier applying same |
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| Country | Link |
|---|---|
| CN (1) | CN213454190U (en) |
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2020
- 2020-06-05 CN CN202021026770.0U patent/CN213454190U/en active Active
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