CN206424767U - One kind is based on full wave air cleaning unit - Google Patents
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- CN206424767U CN206424767U CN201720098092.0U CN201720098092U CN206424767U CN 206424767 U CN206424767 U CN 206424767U CN 201720098092 U CN201720098092 U CN 201720098092U CN 206424767 U CN206424767 U CN 206424767U
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Abstract
The utility model embodiment is related to air cleaning treatment technology, more particularly to a kind of based on full wave air cleaning unit, including;Casing, the first ultraviolet generator is provided with the first precalculated position of the box house, and the second precalculated position of the casing is provided with the second ultraviolet generator;Air exhausting structure, is arranged at the top of the casing, to export the air after purified treatment;Air inlet structure, is arranged at the bottom of the casing, to absorption air, and the air of absorption is transmitted to the casing;In the utility model, air inlet structure is arranged at bottom half, it is intended to the material larger to the particle size in air and carries out purified treatment, it is provided with two ultraviolet generators simultaneously, pass through two ultraviolet generator formation all band ultraviolet lights, it is intended to purify the smaller or harmful material of particulate matter or bacterium in air, to lift the air quality in current environment.
Description
Technical field
The utility model embodiment is related to air cleaning treatment technology, more particularly to a kind of based on full wave air cleaning
Device.
Background technology
With the improvement of living standards, requirement more and more higher of the people to living environment.Water pollution, air pollution by
Gradually by extensive concern.In recent years, Inhalable Particulate (PM2.5) concentration become weigh one of air quality it is main
Index.
Due to reasons such as vehicle exhaust, burnings, PM2.5 concentration is maintained at Gao Shui in more time in outdoor air
It is flat.People take various safeguard procedures to prevent the PM2.5 of suction excess, for example, go out and wear masks, reduce outgoing and seal
Door and window etc. is closed, in the case that door and window off-period is longer, in order that obtaining the concentration that room air circulation reduces carbon dioxide, generally
Carry out windowing ventilation.But, this windowing ventilation inevitably introduces PM2.5, so as to cause the PM2.5 in room air to contain
Amount is also very high.
Understood through analysis, cause the main matter (emphasis is harmful substance) that PM2.5 contains in air to have:Microorganism, change
Learn gas or peculiar smell, the particulate of physics state;Microorganism includes what bacterium, virus, mould and spore etc. were floated in air indoors
Active harmful microorganism;The size range of microorganism is generally between 0.02 micron to 10 microns.Chemical gas/peculiar smell includes room
Interior decoration ornament materials, furniture, daily use chemicals product, food spoilage, human body, pet etc. can produce the volatile harmful of harm health
Gas and peculiar smell, such as:Formaldehyde, benzene homologues, TVOC etc.;The size range of chemical gas/peculiar smell generally at 0.0001 micron extremely
Between 0.001 micron;The particulate of physics state includes being capable of very tiny solid or liquid particles of the long-term suspension in air.
It is made up of dust, soft flocks (scurf), flue dust, pollen and smoke particle;The size range of the particulate of physics state is generally 0.01
Micron is between 100 microns.
The existing air cleaning unit based on ultraviolet purification, its ultraviolet generator has single wave band ultraviolet spectra generator
Or Two stage ultraviolet spectrum generator, by taking Two stage ultraviolet spectrum generator as an example:Two stage ultraviolet composes double light of generator
Spectrum is respectively 185 nanometers of light, 254 nanometers of light, and chemical reaction generation, which occurs, for oxygen of 185 nanometers of light in environment has
The ozone of Strong oxdiative characteristic, ozone has stronger catharsis for chemical gas or peculiar smell, and 254 nanometers of light sterilizing powers are most
By force.254 nanometers ionize those and are allowed to decompose by the organic molecule of direct irradiation, bacterium, virus etc., inactivate, i.e., PARA FORMALDEHYDE PRILLS(91,95) has
There is stronger catharsis.But the material of the purification of double ultraviolet generators of spectrum is relatively limited, it is impossible to be fully cleaned up in air
Other harmful substances, such as material containing benzene, and then preferable clean-up effect can not be reached.
Utility model content
The utility model provides a kind of based on full wave air cleaning unit, it is intended to the particulate matter in comprehensive decontamination air
Smaller but harmful material or bacterium.
On the one hand, the utility model provides a kind of based on full wave air cleaning unit, wherein, including;
Casing, the first ultraviolet generator is provided with the first precalculated position of the box house, in the of the casing
Two precalculated positions are provided with the second ultraviolet generator;
Air exhausting structure, is arranged at the top of the casing, to export the air after purified treatment;
Air inlet structure, is arranged at the bottom of the casing, to absorption air, and the air of absorption is transmitted to the case
In vivo;
Wherein first ultraviolet generator, the ultraviolet light to send at least two different-wavebands;Second ultraviolet generator,
Ultraviolet light to send at least one wave band.
Preferably, it is above-mentioned based on full wave air cleaning unit, wherein, in addition to a detection unit, it is arranged at institute
The top of casing is stated, data output is detected for obtaining the ozone content in current environment, and forming one;
Control unit, receives the detection data, and according to the detection data formation one to control first purple
The control signal output of outer generator.
Preferably, it is above-mentioned based on full wave air cleaning unit, wherein, first precalculated position is located at the case
The middle part of any side of body;Second precalculated position is located at the upper end in first precalculated position.
Preferably, it is above-mentioned based on full wave air cleaning unit, wherein, the first ultraviolet generator includes first
Spectrum uviol lamp, a high polymer material to produce metal ion is set in the spectrum uviol lamp outer surface.
Preferably, it is above-mentioned based on full wave air cleaning unit, wherein, the control signal include first voltage and
Second voltage, the first spectrum uviol lamp sends first band ultraviolet light in the driving of the first voltage;In described
The driving of two voltages sends second band ultraviolet light.
Preferably, it is above-mentioned based on full wave air cleaning unit, wherein, the second ultraviolet generator includes second
Spectrum uviol lamp, the second spectrum uviol lamp sends the 3rd wave band ultraviolet light in the driving of tertiary voltage.
Preferably, it is above-mentioned based on full wave air cleaning unit, wherein, the second spectrum uviol lamp is in the 4th electricity
The driving of pressure sends second band ultraviolet light.
On the other hand, the utility model provides a kind of based on full wave air cleaning unit again, wherein, including a case
The first cavity, the second cavity are provided with body, the casing;
Casing, in including the first cavity and the second cavity, first cavity and the second cavity phase in the casing
Neighbour is set;
Air exhausting structure, is arranged at the top of the casing, to export the air after purified treatment;
Air inlet structure, is arranged at the bottom of the casing, to absorption air, and the air of absorption is transmitted to the case
In vivo, wherein,
In being respectively arranged with the 3rd ultraviolet generator, the 4th ultraviolet generator in first cavity;It is empty in described second
Intracavitary is provided with the first ion generator.
Preferably, it is above-mentioned based on full wave air cleaning unit, wherein, second cavity is arranged at described first
Cavity upper end;
The 3rd ultraviolet generator is arranged at the middle part of any side in first cavity;
The 4th ultraviolet generator is arranged above or below the 3rd ultraviolet generator.
Preferably, it is above-mentioned based on full wave air cleaning unit, wherein, first ion generator is chlorion
Generator.
Compared with prior art, the beneficial effects of the utility model are:
In the utility model, air inlet structure is arranged at the bottom of casing 11, it is intended to larger to the particle size in air
Material carries out advance purified treatment, it is to avoid larger-size material is detrimental to health, while two ultraviolet generators are provided with,
Pass through two ultraviolet generator formation all band ultraviolet lights, it is intended to which the particulate matter purified in air is smaller or harmful
Material or bacterium, to lift the air quality in current environment.
Brief description of the drawings
Fig. 1 is a kind of structural representation based on full wave air cleaning unit in the utility model embodiment;
Fig. 2 is a kind of structural representation based on full wave air cleaning unit in the utility model embodiment.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than limits of the present utility model.Further need exist for
It is bright, for the ease of description, the part related to the utility model rather than entire infrastructure are illustrate only in accompanying drawing.
Ultraviolet spectra is divided into visible spectrum and invisible spectrum, it is seen that the wave band of spectrum is UVA wave bands, 320 nanometers of wavelength
~400 nanometers, also known as long wave blackspot effect ultraviolet;Invisible spectrum include UVB wave bands, UVC wave bands, UVD wave bands, its
In, 275 nanometers~320 nanometers of the wavelength of UVB wave bands, also known as medium wave erythemal effect ultraviolet;The wavelength 200 of UVC wave bands is received
Rice~275 nanometers, also known as shortwave sterilizing ultraviolet;100 nanometers of the wavelength of UVD wave bands~200 nanometers, also known as VUV
Line.The radiation of the ultraviolet light of any wave band can damage for human body, in order to improve the safety in utilization of purifier,
During use, the collocation of usually visible spectrum and invisible spectrum is used, as the ultraviolet purifier of two waveband.
As shown in figure 1, the utility model provides a kind of structural representation based on full wave air cleaning unit, wherein
The direction of arrow is the flow direction of air, wherein, specifically include;
Casing 11, the first precalculated position inside the casing 11 is provided with the first ultraviolet generator 111, in the case
Second precalculated position of body 11 is provided with the second ultraviolet generator 112;
Air exhausting structure 12, is arranged at the top of the casing 11, to export the air after purified treatment;
Air inlet structure 13, is arranged at the bottom of the casing 11, including air inlet 131, air inlet fan 132, the air inlet fan
132 are arranged at the upper end of the air inlet 131, to absorption air, and the air of absorption is transmitted to the casing 11.
In the prior art, air inlet structure 13 is generally disposed at the side of the casing 11, and current environment is absorbed by side
In air, and purified treatment is carried out to the air of absorption, but such a purification style have ignored PM10 pollutant, PM10's
Pollutant is for PM2.5 pollutants, and particle size is relatively large, and the dust for example kicked up with the wind, this pollutant is equal
Bottom in air, but in the case of relatively drying indoors, the own wt reduction of this pollutant also has partial contamination
Thing is suspended in the respirable height of human body, and then influences health, air inlet structure is arranged at into equipment side, to such pollution
Thing can not then accomplish purified treatment, and just this pollutant is handled when this pollutant is suspended in air, dropped significantly
Low air purification efficiency.
Defect of the utility model based on prior art, bottom is arranged at by air inlet structure 13, is opposite to air bottom
PM10 pollutants carry out purified treatment, purified treatment are carried out to this pollutant in advance, to improve air purification effect.
Wherein first ultraviolet generator 111, the ultraviolet light to send at least two different-wavebands;Second ultraviolet generation
Device 112, the ultraviolet light to send at least one wave band.
Further, the light that the described first ultraviolet generator 111 is sent can be 184.9 nanometers, 253.7 nanometers, second
The light that ultraviolet generator 112 is sent can be 365 nanometers.
Oxygen in 185 nanometers of ultraviolet light and environment, which is had an effect, generates ozone O3.Ozone O3It is a kind of Strong oxdiative
Agent, can kill bacterium, mould, virus, can also be reacted with the chemical substance in air and reduce peculiar smell.
254 nanometers of ultraviolet light can be by ozone O3Resolve into oxygen O2, and be conducive to OH- and other higher oxides
Formation.The DNA of the material irradiated simultaneously through 254 Nano UV lights, the destruction of 254 nano-ultraviolet lights and change microorganism is (de-
Oxygen ribonucleic acid) structure, make bacterium dead at once or irreproducible offspring, reach the purpose of sterilization.
Specifically course of reaction is that oxygen resolves into two ground state oxygen atom O under 185 nanometers of ultraviolet light
(3P), by ozone O under 254 nanometers of ultraviolet light3Resolve into ground state oxygen atom O (1D)。
The light that second ultraviolet generator 112 is sent can be 365 nanometers, for purifying the benzene material in air.
Operation principle of the present utility model is:
It is in based on full wave air cleaning unit under normal operating conditions, the air inlet structure of the bottom of casing 11 absorbs
Air in current environment, and 185 receiving of sending of the first ultraviolet generator 111 delivered the air in purifying area, purifying area
Oxygen in the ultraviolet light and environment of rice, which is had an effect, generates ozone O3, pass through ozone O3Bacterium, mould, virus are killed, also may be used
To be reacted with the chemical substance in air to reduce peculiar smell.254 nanometers of ultraviolet light can be by ozone O3Resolve into oxygen
Gas O2, and be conducive to the formation of OH- and other higher oxides.The material irradiated simultaneously through 254 Nano UV lights, 254 receive
The ultraviolet photo damage of rice and the DNA structure for changing microorganism, make bacterium dead at once or irreproducible offspring, so as to realize that purification is empty
Bacterium in gas.The light that second ultraviolet generator 112 is sent can be 365 nanometers, for purifying the benzene material in air.
In the utility model, air inlet structure is arranged at the bottom of casing 11, it is intended to larger to the particle size in air
Material carries out advance purified treatment, it is to avoid larger-size material is detrimental to health, while two ultraviolet generators are provided with,
Pass through two ultraviolet generator formation all band ultraviolet lights, it is intended to which the particulate matter purified in air is smaller or harmful
Material or bacterium, to lift the air quality in current environment.
It is above-mentioned based on full wave air cleaning unit as further preferred embodiment, wherein, in addition to an inspection
Unit 14 is surveyed, the top of the casing 11 is arranged at, data are detected for obtaining the ozone content in current environment, and forming one
Output;
Control unit, receives the detection data, and according to the detection data formation one to control first purple
The control signal output of outer generator 111.The control signal is substantially the electrical energy drive signal of the first ultraviolet generator 111, should
Drive signal is can be PWM waveform, when the trailing edge of PWM waveform drives the first ultraviolet generator 111, the first ultraviolet generator
111 send 185 nanometers of ultraviolet light, when the rising edge of PWM waveform drives the first ultraviolet generator 111, the first ultraviolet hair
Raw device 111 sends 254 nanometers of ultraviolet light.
In above-mentioned technical proposal, the oxygen in 185 nanometers of the ultraviolet light and environment sent by the first ultraviolet generator 111
Gas, which is had an effect, generates ozone O3, as ozone O in air3When content exceedes finite concentration, there is larger injury to human body, be based on
This reason, for having in the environment that personnel come in and go out, usual less use ozone purification technology.
The ozone being provided with based on this, in the utility model in detection unit 14, the detection current environment of detection unit 14 is contained
Amount, in the state of ozone content exceeds predetermined value, control unit adjusts the dutycycle of PWM ripples, reduces PWM ripples and is in low pressure shape
The time of state, equivalent to the time that the first ultraviolet generator 111 sends 185 nanometers of ultraviolet light is reduced, reduce ozone O3Contain
Amount.
It is above-mentioned based on full wave air cleaning unit as further preferred embodiment, wherein, described first is pre-
Position the middle part setting in any side of the casing 11;Second precalculated position is located at the upper of first precalculated position
End.
Because ultraviolet light is straightline propagation, the first ultraviolet generator 111 is arranged to the middle part of casing 11, so that ultraviolet light
Line irradiation space is maximized, to improve the efficiency of air cleaning.
It is above-mentioned based on full wave air cleaning unit as further preferred embodiment, wherein, described first is purple
Outer generator 111 includes the first spectrum uviol lamp, and one is set to produce metal ion in the spectrum uviol lamp outer surface
High polymer material.
In use, with rare metal advanced oxidation reaction occurs for ultraviolet light, and advanced oxidation reaction passes through sky
Gas generation safety and the senior oxygen such as active peroxide and its positively charged ion, strong oxidative free radical and pure too anion
Change ion, advanced oxidation ion gets into the air can occur speed chain-type reaction with the organic matter in air, and organic matter is thorough
Bottom is decomposed, rapid bacterium, germ and the mould killed in air more than 90%, it is possible to decompose TVOC gases, while generating band
The ion of positive charge, positively charged ion is used to attract each other with the middle negative electrical charge suspended particulates of air, to strengthen negative electrical charge
The weight of suspended particulates, when the weight (or size) of suspended particulates is more than certain threshold value, suspended particulates then drop to earth's surface.
It is above-mentioned based on full wave air cleaning unit as further preferred embodiment, wherein, first light
Spectrum uviol lamp sends first band ultraviolet light in the driving of first voltage;It is ultraviolet that second band is sent in the driving of second voltage
Light.First voltage (is represented, low-pressure section is that 0), second voltage is PWM for low-pressure section under PWM ripples with the figure of binaryzation
The high-pressure section of ripple (is represented, 1) high-pressure section is with the figure of binaryzation.
It is above-mentioned based on full wave air cleaning unit as further preferred embodiment, wherein, described second is purple
Outer generator 112 includes the second spectrum uviol lamp, and the second spectrum uviol lamp sends the 3rd wave band in the driving of tertiary voltage
Ultraviolet light (365 nanometers).When the second spectrum uviol lamp is a single wave band uviol lamp, tertiary voltage is a burning voltage,
For driving the second spectrum uviol lamp to send the 3rd wave band ultraviolet light.
It is above-mentioned based on full wave air cleaning unit as further preferred embodiment, wherein, second light
Spectrum uviol lamp sends second band ultraviolet light in the driving of the 4th voltage.I.e. second ultraviolet generator 112 or two waveband
Uviol lamp, now the second ultraviolet generator 112 receive tertiary voltage, the 4th voltage respectively, under the driving of the tertiary voltage,
Second spectrum uviol lamp sends the 3rd wave band ultraviolet light, and under the driving of the 4th voltage, the second spectrum uviol lamp is sent
Second band ultraviolet light, the wavelength of second band ultraviolet light is 254 nanometers.
Embodiment two
In above-described embodiment one, its casing is integral, as shown in Fig. 2 this implementation provides a kind of based on full wave again
The structural representation of air cleaning unit, its casing includes the first cavity, the second cavity.Specifically
Casing 21, the first cavity 211 and the second cavity 212, first cavity 211 and institute are included in the casing 21
The second cavity 212 is stated to be disposed adjacent;One separation layer 202, institute are set between first cavity 211 and second cavity 212
Stating separation layer 202 can be formed by filter screen, and the first cavity 211 is mainly used in purifying the middle bacterium, mould, such as virus, first of air
Aldehyde, bacillus anthracis, clostridium tetani, shigella dysenteriae, Escherichia coli, Salmonella, Shigella, viral parainfluenza disease
Poison, phagocytosis cellular virus, rotavirus, hepatitis B, love Ke virus, mycotic spore aspergillus, human excrement fungi, Mucor;The
Two cavitys 212 are mainly used in purifying the material containing benzene in air.
Air exhausting structure 22, is arranged at the top of the casing 21, to export the air after purified treatment;
Air inlet structure 23, is arranged at the bottom of the casing 21, including air inlet 231, air inlet fan 232, the air inlet fan
232 are arranged at the upper end of the air inlet 231, to absorption air, to absorption air, and the air of absorption is transmitted to institute
State in casing 21, wherein,
In being respectively arranged with the 3rd ultraviolet generator 2111, the 4th ultraviolet generator 2112 in first cavity 211;In
The first ion generator 2121 is provided with second cavity 212.Further, first ion generator 2121 is chlorine
Ion generator, chlorion generator is to form the chlorion for accelerating to convert the ozone to oxygen, or silver ion is sent out
Raw device.
As further preferred embodiment, above-mentioned one kind is based on full wave air cleaning unit, wherein, described the
Two cavitys 212 are arranged at the upper end of the first cavity 211;
The 3rd ultraviolet generator 2111 is arranged at the middle part of any side in first cavity 211;
The 4th ultraviolet generator 2112 is arranged at the top or lower section or just of the described 3rd ultraviolet generator 2111
Opposite.The light that the 3rd ultraviolet generator is sent can be 184.9 nanometers, 253.7 nanometers, what the 4th ultraviolet generator was sent
Light can be 365 nanometers.
Oxygen in 185 nanometers of ultraviolet light and environment, which is had an effect, generates ozone O3.Ozone O3It is a kind of Strong oxdiative
Agent, can kill bacterium, mould, virus, can also be reacted with the chemical substance in air and reduce peculiar smell.254 nanometers
Ultraviolet light ozone O3 can be resolved into oxygen O2, and be conducive to the formation of OH- and other higher oxides.Pass through simultaneously
The material of 254 Nano UV lights irradiation, the destruction of 254 nano-ultraviolet lights and DNA (DNA) knots for changing microorganism
Structure, makes bacterium dead at once or irreproducible offspring, reaches the purpose of sterilization.
Note, above are only preferred embodiment of the present utility model and institute's application technology principle.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carried out for a person skilled in the art various bright
Aobvious change, readjust and substitute without departing from protection domain of the present utility model.Therefore, although pass through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
In the case that the utility model is conceived, other more equivalent embodiments can also be included, and scope of the present utility model is by appended
Right determine.
Claims (10)
1. one kind is based on full wave air cleaning unit, it is characterised in that including;
Casing, the first ultraviolet generator is provided with the first precalculated position of the box house, and second in the casing is pre-
Positioning, which is installed, is equipped with the second ultraviolet generator;
Air exhausting structure, is arranged at the top of the casing, to export the air after purified treatment;
Air inlet structure, is arranged at the bottom of the casing, to absorption air, and the air of absorption is transmitted to the casing
It is interior;
Wherein first ultraviolet generator, the ultraviolet light to send at least two different-wavebands;Second ultraviolet generator, is used to
Send the ultraviolet light of at least one wave band.
2. according to claim 1 be based on full wave air cleaning unit, it is characterised in that also single including a detection
Member, is arranged at the top of the casing, and data output is detected for obtaining the ozone content in current environment, and forming one;
Control unit, receives the detection data, and according to the detection data formation one to control the described first ultraviolet hair
The control signal output of raw device.
3. according to claim 1 be based on full wave air cleaning unit, it is characterised in that first precalculated position
Middle part positioned at any side of the casing;Second precalculated position is located at the upper end in first precalculated position.
4. according to claim 2 be based on full wave air cleaning unit, it is characterised in that the first ultraviolet generation
Device includes the first spectrum uviol lamp, and a macromolecule material to produce metal ion is set in the spectrum uviol lamp outer surface
Material.
5. according to claim 4 be based on full wave air cleaning unit, it is characterised in that the control signal includes
First voltage and second voltage, the first spectrum uviol lamp send first band ultraviolet light in the driving of the first voltage
Line;Second band ultraviolet light is sent in the driving of the second voltage.
6. according to claim 4 be based on full wave air cleaning unit, it is characterised in that the second ultraviolet generation
Device includes the second spectrum uviol lamp, and the second spectrum uviol lamp sends the 3rd wave band ultraviolet light in the driving of tertiary voltage.
7. according to claim 6 be based on full wave air cleaning unit, it is characterised in that second spectrum is ultraviolet
Lamp sends second band ultraviolet light in the driving of the 4th voltage.
8. one kind is based on full wave air cleaning unit, it is characterised in that including a casing, first is provided with the casing
Cavity, the second cavity;
Casing, in including the first cavity and the second cavity in the casing, first cavity is adjacent with second cavity to be set
Put;
Air exhausting structure, is arranged at the top of the casing, to export the air after purified treatment;
Air inlet structure, is arranged at the bottom of the casing, to absorption air, and the air of absorption is transmitted to the casing
It is interior, wherein,
In being respectively arranged with the 3rd ultraviolet generator, the 4th ultraviolet generator in first cavity;In in second cavity
It is provided with the first ion generator.
9. it is according to claim 8 a kind of based on full wave air cleaning unit, it is characterised in that second cavity
It is arranged at the first cavity upper end;
The 3rd ultraviolet generator is arranged at the middle part of any side in first cavity;
The 4th ultraviolet generator is arranged above or below the 3rd ultraviolet generator.
A kind of be based on full wave air cleaning unit 10. according to claim 8, it is characterised in that described first from
Electronic generator is chlorion generator.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106669288A (en) * | 2017-01-22 | 2017-05-17 | 上海市全保环境科技有限公司 | Air purification device based on full wave band |
WO2024104133A1 (en) * | 2022-11-17 | 2024-05-23 | 广东合捷电器股份有限公司 | Gas purification method and gas purifier |
-
2017
- 2017-01-22 CN CN201720098092.0U patent/CN206424767U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106669288A (en) * | 2017-01-22 | 2017-05-17 | 上海市全保环境科技有限公司 | Air purification device based on full wave band |
WO2024104133A1 (en) * | 2022-11-17 | 2024-05-23 | 广东合捷电器股份有限公司 | Gas purification method and gas purifier |
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