CN106642377A - Air purifying device - Google Patents
Air purifying device Download PDFInfo
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- CN106642377A CN106642377A CN201610995099.2A CN201610995099A CN106642377A CN 106642377 A CN106642377 A CN 106642377A CN 201610995099 A CN201610995099 A CN 201610995099A CN 106642377 A CN106642377 A CN 106642377A
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- Prior art keywords
- air
- cleaning unit
- air cleaning
- filtering module
- air channel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention discloses an air purifying device which comprises an air inlet, a static electricity filtering module, an air channel and an air outlet. A negative ion generation device is arranged in the air channel for air purified through the static electricity filtering module. The negative ion generation device is arranged in the air channel for the air purified through the static electricity filtering module, and an electric field filled with negative ions is formed accordingly. Tiny electrified particulate matter is often charged with negative charges after passing through the static electricity filtering module, after these tiny electrified particulate matter passes through the periphery area of the negative ion generation device, the tiny electrified particulate matter encounters a large number of dense negative ions generated by the negative ion generation device, and on the basis of the principle that homopolar charges repel mutually, the tiny electrified particulate matter is pushed back to the bottom of the static electricity purifying device or attached to the wall of the air channel, or blown out from the air outlet to fall out to the ground.
Description
Technical field
The present invention relates to air cleaning unit technical field, especially one kind can effectively filter PM0.3 particulate matters and
The air electrostatic purifier of the less particulate matter of particle diameter.
Background technology
Existing air cleaning unit, the purification to air typically adopts single-stage or two-step purification system, such as China is real
The air cleaning unit recorded with new patent ZL201520698687.0, using two-step purification system：One is, sets in air inlet
Put screen pack, the larger particle of filter diameter；Two are, further with electrostatic depuration modular filtration PM2.5 particulate matters, PM1.0
The less particulate matter of particulate matter and a part of particle diameter, afterwards just by the air discharge after purification.Using single-stage or two-step purification
The air cleaning unit of system can to a great extent realize the filtration to PM2.5 particulate matters and PM1.0 particulate matters, it is also possible to
Quite a few particulate matter less than PM1.0 is filtered out, but, using in single stage purification system or two-step purification system
The filter effect of the electrostatic filter particulate matter less to PM0.3 particulate matters and particle diameter is very limited, by this side
The air that formula is emitted is still with the less particulate matter of a considerable amount of PM0.3 and particle diameter.
The content of the invention
In view of this, it is necessary to provide it is a kind of possess can filter the less particulate matter of PM0.3 particulate matters and particle diameter
Air cleaning unit, so as to efficiently solve the air after purifying still with a considerable amount of PM0.3 particulate matters and ratio
The problem of the less particulate matter of PM0.3 particle diameters.
For achieving the above object, the present invention is employed the following technical solutions：
A kind of air cleaning unit, it includes air intake vent, electro static filtering module, air channel, air outlet, in electro static filtering module
In the air channel of the air circulation after purification or air outlet is provided with negative ion generating device.Wherein negative ion generating device is used for
Intercept the powered finely ground particles remained in the air after the purification of electro static filtering module.
Preferably, it is provided with air ducting between the electro static filtering module and air outlet.Air ducting is arranged at
Be conducive to strengthening the air circulation in gas channel between electro static filtering module and air outlet, increase the gas channel road in air channel
Footpath and area.
Preferably, described negative ion generating device is located in the air channel between air ducting and air outlet.The position from
Electro static filtering module is distant, therefore suffer from influence of electric potential in electro static filtering module produced by ionization pole high voltage electric field compared with
It is little, and the position wind speed reduce, negative ion generating device stop residual powered finely ground particles effect it is more preferable.
Preferably, the negative ion generating device includes electric discharge needle device.Spray point simple structure, with low cost, electricity
It is good from effect, and be easily installed.
Preferably, the electric discharge needle device includes two metal needles to the atmospherical discharges in air channel, wherein at least one
Other positions of metal needle of the head path length of root metal needle less than its place.So in the two poles of the earth to atmospherical discharges, pin is formed
Head is relative with needle point, anion whirlpool is advantageously formed, so as to produce electric field evenly.
Preferably, the spacing of two metal needles to the atmospherical discharges in air channel is 5 millimeters to 50 millimeters.
Preferably, described two to the metal needle discharge condition of the atmospherical discharges in air channel when the voltage connected be 4 kilovolts
To 11 kilovolts.
Preferably, two described metal needles to the atmospherical discharges in air channel are spatially parallel to each other.
Preferably, the air cleaning unit includes power circuit, and the electro static filtering module includes at least two pieces bands
Have the pole plate of semi-conducting material, one piece of pole plate therein is connected with the positive pole of power circuit, another piece with the negative pole of power circuit
It is connected, and space is left between two pieces of pole plates.Pole plate made by semi-conducting material constitutes electro static filtering module and makes electro static filtering mould
Block just can carry out corona discharge in the case where high voltage is not needed to the air between pole plate, so as to significantly reduce smelly
The yield of oxygen, while being also beneficial to adsorb tiny particulate matter.
Preferably, it is provided with tip on the relative surface of the pole plate.Arranging tip on two pieces of relative surfaces of pole plate has
The electric charge that pole plate can be made draws close aggregation to tip, strengthens corona discharge effect, while electric field evenly is produced, while increase
The adsorption area of pole plate.
Preferably, the distance between described two pieces of pole plate tips are not less than 0.1 centimetre.It is public according to the calculating of electric-field intensity
Formula E=U/d, it is known that, the distance between the intensity of electric field and the two poles of the earth are inversely proportional to, but the distance is unsuitable too short, is otherwise easily caused
Air breakdown so as to be short-circuited, in the case that the distance between two pieces of pole plate tips are not less than 0.1 centimetre, the suction between pole plate
It is attached better.
Preferably, the air cleaning unit also includes the dust-collecting net for collecting particulate matter, and the dust-collecting net is arranged at
In the bottom or air channel of air cleaning unit.After electro static filtering modular filtration, remaining small powered in air
Grain thing is collided behind the anion baffle area of negative ion generating device formation, in being adsorbed in collecting plate, is easy to follow-up cleaning.
The method have the benefit that：
The air cleaning unit of the present invention improves the electrostatic depuration of traditional employing single-stage or two-step purification system
The defect of device, filter effect of the existing single-stage two-stage electrostatic filter for PM2.5 or PM1.0 compared with
It is good, but the filtration of the particulate matter less for PM0.3 and particle diameter is very limited, by existing single-stage or two-stage electrostatic
The air emitted after purifier purification is still with the less particulate matter of substantial amounts of PM0.3 and particle diameter, and these are small
Particulate matter be difficult to be adsorbed, the air ducts after a large amount of flow direction purifications, until discharging from purifier, affect again purification
Air quality afterwards.
The present invention is adopted in the air channel of the air after the purification of electro static filtering module or air outlet is provided with anion and sends out
Generating apparatus, and thus form the small band of obstruct in the circulating area in air after the purification of electro static filtering module up to before discharging
The electric field of electric particulate matter.Small charged particle thing often takes negative electrical charge after electro static filtering module, small powered when these
Particulate matter runs into a large amount of and intensive of negative ion generating device generation and bears after negative ion generating device and its peripheral region
Ion, based on the mutually exclusive principle of homocharge, small charged particle thing forced back towards electrostatic filter bottom or attached
In wind path wall, or blow out with air outlet and dirt is dropped in ground.
The present invention is adopted in the air channel of the air after the purification of electro static filtering module or air outlet is provided with anion and sends out
Generating apparatus, for intercepting the less particulate matter of the PM0.3 that still remains and particle diameter, the technical scheme Jing after filtering modular filtration
It is not simple repeatedly electro static filtering module superposition, the superposition of multiple electro static filtering module is less for PM0.3 and particle diameter
The filtration of particulate matter remains very limited, the present invention be take into full account wind speed, the potential intensity of electro static filtering module ionized region,
Even under the factor such as the curvature in air channel, suitable air channel position is chosen, and potential intensity is formed suitably in the region, it is uniform
Intensive anion electric field, the less particulate matter of PM0.3 and particle diameter is still remained for intercepting Jing after filtering modular filtration.
The present invention is adopted in the air channel of the air after the purification of electro static filtering module or air outlet is provided with anion and sends out
Generating apparatus, preferably, the present invention using electric discharge needle device as specific negative ion generating device, relative to will electric discharge
Needle device is placed on traditional set-up mode of air intake vent or electrostatic depuration inside modules, and the present invention is to PM0.3 and less
Particulate burning purifying aspect, achieves unexpected good effect；Wherein, in terms of the purification efficiency to PM0.3 particulate matters, phase is realized
In the case of same clean-up effect, the purification efficiency of the present invention improves compared to existing technology more than 68%, is expending identical
In the case of clarification time, the clean-up effect of the present invention improves 3.2 times relative to prior art, and the purification speed of the present invention
Similarly have and significantly lifted.
Description of the drawings
Fig. 1 is the structural representation of the air cleaning unit described in embodiment one；
Fig. 2 is the covering plate structure schematic diagram of embodiment one；
Fig. 3 is the structural representation of the air cleaning unit described in embodiment one
Fig. 4 is the structural representation of the negative ion generating device of embodiment one；
Fig. 5 is the dimensional structure diagram of the first electro static filtering module of embodiment one；
Fig. 6 is the dimensional structure diagram of the first electro static filtering module of embodiment one；
Fig. 7 is the longitudinal profile schematic diagram of the electrostatic attraction board of embodiment one；
Fig. 8 is located in the schematic diagram of interior side-wall surface along its length for spray point；
Fig. 9 is located in the schematic diagram of interior side-wall surface in the width direction for spray point；
Figure 10-Figure 13 is the fundamental diagram of air cleaning unit of the present invention；
Figure 14 is the structural representation of the air cleaning unit without negative ion generating device
Figure 15 is the structural representation of the air cleaning unit described in embodiment two；
Figure 16 is the structural representation of the air cleaning unit described in embodiment three；
Figure 17 is the structure decomposition figure of the air cleaning unit described in embodiment three；
Figure 18 is the structural representation of the air cleaning unit described in example IV；
Figure 19 is located in the schematic diagram of the upper area in the first air channel for spray point；
Figure 20 is located in the schematic diagram of the zone line in the first air channel for spray point；
Figure 21 is located in the schematic diagram of the inner wall surface of insulation crust bottom for spray point；
A kind of laterally disposed schematic diagram of spray point that Figure 22 is adopted by embodiment five；
Figure 23 is the schematic diagram of spray point modes of emplacement spatially；
Figure 24 is the structural representation of the air cleaning unit described in embodiment six；
The horizontal section schematic diagram of the electro static filtering module that Figure 25 is adopted by embodiment seven；
The longitudinal profile schematic diagram of the electro static filtering module that Figure 26 is adopted by embodiment seven；
The Electrostatic adsorption unit structural representation of the electro static filtering module that Figure 27 is adopted by embodiment seven；
Figure 28 is the structural representation of the air cleaning unit described in embodiment eight；
Figure 29 is the structural representation of the air cleaning unit described in embodiment nine.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail, but the invention is not restricted to this：
Embodiment one：
First better embodiment of air cleaning unit of the present invention as shown in Figures 1 to 7, the air cleaning unit
Including shell 10, insulating support 11, the first air intake vent (not marking in figure), the second air intake vent 122, the first electro static filtering module
131st, the second electro static filtering module 132, the first air channel 141, the second air channel 142, inducer 15, air outlet 16, base 17, power supply
Module 18 and negative ion generating device 19.
The shell 10 includes making housing 100 and cover plate 110 by insulating materials, and the housing 100 is in rectangular-shape, and four
All projections, so as to internally form cavity volume room, inside the housing 100 insulating support 11 are provided with, and the insulating support 11 is used to support
With auxiliary fixing internal component；The bottom of the shell 10 is connected (below for just with the base 17 for supporting whole air cleaning unit
In illustrating and understanding, in this embodiment, along the both sides that two long sides that outer cover length direction is located are shell, near base
Minor face is bottom or bottom)；The both sides of shell 10 are latticed in hollow out near the surface of bottom, and both sides form respectively the first inlet air
121 (not marking in figure) of mouth and the second air intake vent 122, the upper surface of the shell is also latticed in hollow out, is consequently formed air outlet
16.It is appreciated that the insulating support can be integrally formed design with the shell, or split is fixed, in the present embodiment, absolutely
Edge support is integrally formed with the shell.
The first electro static filtering module 131 and the second electro static filtering module 132 are movably set in respectively the bottom of housing 100
The both sides in portion, the first electro static filtering module 131 and the second electro static filtering module (are schemed respectively with first air intake vent 121
In do not mark) be connected with the second air intake vent 122.The first electro static filtering module 131 and the second electro static filtering module 132 it
Between keep certain spacing, the present embodiment forms first air channel 141 using 8 centimetres of spacing between spacing.
The first electro static filtering module 131 includes the rectangular body case 130 of insulation, the appearance of the rectangular body case 130
Face is provided with the draw-in groove 1300 fixed with the clamping of insulating support 11, and when electro static filtering module needs cleaning the draw-in groove can be passed through
1300 take out.The outer surface of the rectangular body case 130 is additionally provided with two concave surfaces 1303, conveniently picks and places.First electro static filtering mould
The block both sides along its length of rectangular body case 130 are respectively fresh air inlet 1301 and exhaust vent 1302, positioned at the outer of inlet side
Shell surface is designed for hollow out, forms the latticed fresh air inlet 1301 so that air enters the first electro static filtering module 130, institute
State fresh air inlet 1301 to connect with first air intake vent 121, also glue between the fresh air inlet 1301 and first air intake vent 121
EHPA screen packs (not indicating in figure) are connected to, the exhaust vent 1302 is connected with first air channel 141；It is described rectangular external
Place the pole plate 1312 with semi-conducting material in the inside of shell 130.
Concrete several of pole plate 1312 with semi-conducting material are arranged in a linear as electrostatic attraction board 1312, its bag
Insulating barrier 1313 by made by insulating materials are included, inside is filled with semiconductor graphite electrode 1314, two pieces of adjacent Electrostatic Absorptions
Plate is respectively turned on the positive electrode and negative electrode that voltage is 5 kilovolts by semiconductor graphite electrode, wherein the electrostatic for connecting positive pole is inhaled
The surface of attached plate 1312 is provided with the convex portion 1315 that length is 1.5 millimeters, by being somebody's turn to do between adjacent stationary electrode adsorption plate 1312
Convex portion 1315 mutually keeps fixing, and forms the space of 1.5 millimeters of moneys, and between adjacent electrostatic attraction board 1312 air is formed
Passage 1316, the two ends of the air duct 1316 are connected respectively with fresh air inlet 1301 and exhaust vent 1302, the Electrostatic Absorption
The surface of plate 1312 is provided with multiple sophisticated 1317, and 1 millimeter of spacing, the tip 1,317 1 are formed between adjacent tip 1317
Aspect can increase the area of electrostatic attraction board, on the other hand can be formed between with Different electrodes two adjacent cusps 1317
More uniform electric field, is ionized when foul atmosphere is through the region, electric charge on the particulate matter band such as dust (and be generally brought on
Negative electrical charge).A charged particle thing part is adsorbed in the surface of the electrostatic attraction board 1312 with opposite potential, and another part is trickleer
Charged particle thing then continue between electrostatic attraction board 1312 air duct 1316 in float, float to exhaust vent with air-flow
1302 enter back into the first air channel 141.
The internal structure of the internal structure of the second electro static filtering module 132 and the first electro static filtering module 131
Identical, here is omitted.
The cavity volume middle part position of the housing 100 is provided with the projection 101 of annular shape, and the projection 101 of the annular shape is enclosed
Into cylindrical cavity volume room 1000, inducer 15 is installed in the cylindrical cavity volume room 1000, the inducer includes motor 151,
Guide vane 152, the motor 151 drives guide vane 152 to operate, and the diameter of the inducer 15 is less than or equal to cylindrical cavity volume room
1000 diameter, the diameter of inducer 15 is less than the diameter of cylindrical cavity volume room 1000, both diameter difference shapes in the present embodiment
Into annular gas channel, the gas channel constitutes the part in second air channel 142.The bottom in second air channel 142
Portion is connected with the top in first air channel 141, and the top in second air channel 142 is connected with the air outlet 16, in institute
State and arrange between inducer 15 and air outlet 16 dust expanded metals 111, the dust-collecting net 111 is made up of insulating materials, the dust-collecting net 111
Installed in the second air channel 142 near air outlet 16 wind path wall, concrete mounting means can adopt movably arranged, such as this enforcement
Example using and insulation crust clamping, be so easy to unpicking and washing for dust-collecting net 111, the cross-sectional area of the dust-collecting net 111 is located the with it
The cross section in the region of two air channel 142 is equal, so while dust-collecting area is increased, additionally it is possible to reduces the operating of inducer 15 and is produced
Raw noise.It is appreciated that the inducer can be being replaced by other air ductings.It is appreciated that dust-collecting net can be with by it
He makes material, such as metal material or other materials for easily cleaning etc..
The negative ion generating device is located at the second air channel 142 between dust-collecting net 111 and air outlet 16, the present embodiment
In, the negative ion generating device is specially spray point 19, and the spray point 19 includes two metal needles 19 against atmospherical discharges, should
The afterbody of spray point 19 (for ease of illustrating, head of the one end of this specification with spray point against atmospherical discharges as spray point, connection
One end of power supply is afterbody) it is connected with power circuit and electrically connects with the formation of power supply 18, wherein a spray point connects negative pole, separately
A piece ground connection, forms 4 kilovolts of electrical potential difference between two spray points, two metal needles of the spray point 19 are set in parallel in dust-collecting net
The inwall in the second air channel 142 between 111 and air outlet 16, two die openings are 5 millimeters, the wind of spray point bottom 191 and second
The air channel inner wall surface in road 142 is fixedly connected.The head 192 at the two poles of the earth is against air channel atmospherical discharges, the head 192 of two metal needles
Diameter less than the metal needle other positions, thus head formed tip-like.It is appreciated that the negative ion generating device
Can also be other devices, such as the device such as electron gun, unipolar discharge pin.It is appreciated that spray point can be with by other materials
Make, such as alloy material, such as the material such as uncommon fibre bundle of fowler is made.
The power module 18 is arranged at the bottom of the cavity type 100, on the insulating support of the both sides of power module 18
Sheet metal contact 181 is connected with, the sheet metal contact 181 electrically connects with the power module 18, the first electro static filtering module 131
The electrical connection with power module 18 is realized by the sheet metal contact 181 with the second electro static filtering module 132.And fill for spray point
Put 19, be connected with power circuit 182 in the top of power module 18, the air ducting 15 and spray point 19 pass through power circuit
182 realize the electrical connection with power module 18.
In work operation, inducer 15 operates the air cleaning unit, and foul atmosphere is from the shell down either side
Hollow out grid, i.e., (131,132), foul atmosphere is through running into electrostatic suction to suck two groups of electro static filtering modules from two air intake vents
Attached plate surface it is sophisticated when it is polarized, particulate matter now in foul atmosphere and take electric charge, the particulate matter continues to be inhaled in electrostatic
Air duct circulation between attached plate, some of them charged particle thing such as PM2.5 and PM1.0 is attracted to and its opposite in potential
Continue in air if the surface of electrostatic attraction board, remaining the more small particulate matter such as PM0.1 of PM0.3 or less than PM0.3
Circulate in passage, and into the first air channel, these more small particulate matters continue towards the second wind under the water conservancy diversion of inducer 15
Road 142, when these more small particulate matters flow to spray point 19 and its peripheral region in the second air channel 142, collides and puts
A large amount of and intensive anion wall that acusector 19 is produced, based on the mutually exclusive principle of homocharge, substantial amounts of small powered
Grain thing is forced back towards in the second air channel 142 and the first air channel 141, and be attached to zero potential or the wind path wall with opposite potential and
Dust-collecting net 111, thus completes to PM0.3 and the purification with the less particulate matter of particle diameter.
It is appreciated that the negative ion generating device can also be placed on other positions, such as the pars intermedia in the second air channel
Position, the bottom in the second air channel, or even the positions such as the first air channel can also be positioned over, as long as the region has net through electrostatic filter module
Remaining charged particle thing after change is flowed into, and flow out positioned at air have to before the air outlet of purifier through area
Domain.
It is appreciated that the spray point can also be placed on each inner wall surface of the second air channel inwall, such as refering to Fig. 8
Shown air cleaning unit, its spray point is located in interior side-wall surface along its length；Such as refering to the sky shown in Fig. 9
Air purifying apparatus, its spray point is located in interior side-wall surface in the width direction.
Operation principle：
As shown in Figure 10 to Figure 13, through electro static filtering module, electro static filtering inside modules include ionization to foul atmosphere
The finely ground particles such as area and accumulation area, floating dust, pollutant in air are ionized rapidly, floating dust, pollutant after polarization, small
Particulate matter advances with airflow direction, and during advance, the larger particulate matter such as floating dust, pollutant is attracted to electro static filtering
The accumulation area of module, so as to complete the primary purification to foul atmosphere.For finely ground particles be particularly particle diameter 0.3 micron with
Even if under particulate matter be ionized polarization, still cannot effectively be adsorbed in debris collection area, Jing gas channels float towards in a large number electrostatic
Outside filtering module.Air cleaning unit of the present invention is adopted and put in the gas channel of the air side of electro static filtering module
Put the device of the electric field that can form certain potential intensity, such as negative ion generating device allows not yet adsorbed molecule
Thing is discharged with air-flow and the electric field that the negative ion generating device is formed is knocked before purifier, because finely ground particles are through quiet
Electric filter module 13 is polarized, often takes negative electrical charge, when it meets the electric field with same potential, powered finely ground particles quilt
Repel air -return duct, and be adsorbed in wind path wall and dust-collecting net, still unadsorbed remaining finely ground particles are floated towards again with air-flow
Electric field is stated, be ostracised air -return duct and is adsorbed in wind path wall again, so moves in circles, from electro static filtering module lower tape out
Electric finely ground particles major part is adsorbed in wind path wall, so as to complete the thorough purification to air.
It is appreciated that the region that the negative ion generating device can be arranged is included from electro static filtering module air side to sky
The Zone Full of air purifying apparatus air outlet, because before these regions are air after the purification of electro static filtering module until discharging
The circulating area having to pass through.
It is appreciated that the ionization pole and dust collecting electrode in electro static filtering module of the present invention can also be that merging is arranged
, such as in above-described embodiment one, the electrostatic attraction board that several are arranged in a linear is simultaneously as ionization pole and dust collecting electrode.
Clean-up effect and purification efficiency are contrasted：
For be expanded on further the air cleaning unit of the present invention particulate matter less to PM0.3 and particle diameter clean-up effect and
Purification efficiency, is described in detail below by the way of Experimental comparison.
Two air cleaning units of contrast experiment are respectively the air cleaning unit described in the present embodiment and without anion
The contrast air cleaning unit of generating means.
Wherein, contrast air cleaning unit (hereinafter referred to as contrasting device) to be specially：
Contrast device as shown in figure 14, the contrast device is with the difference of aforementioned the present embodiment：The contrast
Device does not place spray point, and remaining structure is identical with the structure of the air cleaning unit described in the present embodiment.
Test environment and test condition are as follows：
Table 1：Test environment and test condition
Test event：(1) gross mass of the PM2.5 in measuring unit volume；
(2) gross mass of the PM1.0 in measuring unit volume；
(3) gross mass of the PM0.3 in measuring unit volume；
Index unit：(1) μ g/m3；
(2) purification efficiency P=[m (before sampling)-m (before sampling)]/m (before sampling)；
Wherein：M is the particulate matter gross mass in unit volume
Tester：Particulate matter tester (adopts same model)
Following form respectively contrasts the test data of device and the present embodiment described device：
The experimental data for filtering PM2.5 particulate matters is as follows：
Table 2：The PM2.5 purification test datas of the present embodiment described device
Table 3：The PM2.5 purification test datas of contrast device
It can be seen from the test data analysis that table 2 and table 3 are provided, in terms of the clean-up effect and purification efficiency of PM2.5, this
The test data of embodiment and contrast device is essentially identical, i.e., the clean-up effect of PM2.5 and purification efficiency are not whether there is negative substantially
The impact of ion generating device, can air cleaning unit described in the present embodiment and contrast device to being relatively large in diameter the net of particulate matter
Change in effect and purification efficiency without substantial differences.
The experimental data of PM1.0 is as follows：
Table 4：The PM1.0 purification test datas of the present embodiment described device
Table 5：The PM1.0 purification test datas of contrast device
It can be seen from the test data analysis that table 4 and table 5 are provided, the purification for PM1.0, air described in the present embodiment is net
The clean-up effect that makeup is put relatively contrasts device more preferably, under identical testing conditions, is filled using purification of air described in the present embodiment
Put in the 5th sampling, i.e., at the 25th minute of gross decontamination time, its purification efficiency is just up to 92%, and contrasting device will reach
To identical clean-up effect, then need time-consuming 40 minutes.But from the point of view of final clean-up effect, the purification value of comparative example device is not low
In the purification value of the present embodiment described device, but purification efficiency of the present embodiment described device for PM1.0 is higher than contrast device.
The experimental data of PM0.3 is as follows：
Table 6：The PM0.3 purification test datas of the present embodiment described device
Table 7：The PM0.3 purification test datas of contrast device
It can be seen from the test data analysis that table 6 and table 7 are provided, the purification for PM0.3, the air described in the present embodiment
When sampling first time, its purification efficiency just reaches 13.3% to purifier, and the air cleaning unit described in comparative example is first
During secondary sampling, its purification efficiency only has 3.9%；When the 7th time after 35 minutes is sampled, the purification efficiency of the present embodiment described device
83.7% peak value has been reached, and the particulate matter gross mass of PM0.3 is by 5.1*104μg/m3Drop significantly to 8.3*103μg/m3, and
The purification efficiency of contrast device now still only has the particulate matter gross mass of 26.18%, PM0.3 by 4.9*104μg/m3Under slightly
Drop to 3.4*104μg/m3, device is contrasted when the 16th sampling just up to peak value 68.67% is purified, now the particulate matter of PM0.3
Gross mass is by 4.9*104μg/m3Drop to 1.5*104μg/m3, it is seen then that to reach the purification efficiency of identical 70%, contrast dress
Put and want to take 55 minutes the present embodiment described device more.
Can be seen that and existing common sky by the comparative analysis to above three experimental project, six groups of experimental datas
Gas electrostatic filter is compared, and the air cleaning unit that the present invention is provided can effectively and rapidly be realized powered to PM0.3 etc.
The purification of finely ground particles.
Embodiment two：
Second better embodiment of air cleaning unit of the present invention as shown in figure 15, the air described in the present embodiment is net
Makeup is put and is with the difference of the air cleaning unit described in embodiment one：The two poles of the earth of the spray point 29 are set in parallel in collection
The inwall of second air channel 242 of the lower section of dirt net 211 is powered small when powered finely ground particles meet the electric field with same potential
Particulate matter is ostracised back the second air channel 242 and the first air channel 241, and is adsorbed in wind path wall.
Embodiment three：
3rd better embodiment of air cleaning unit of the present invention as shown in Figure 16 and Figure 17, described in the present embodiment
Air cleaning unit is with the difference of the air cleaning unit described in embodiment two：The inducer 35 is arranged at first
The air channel 34 that space between the air side of the air side of electro static filtering module 331 and the second electro static filtering module 332 is formed.Institute
State air outlet (not marking in figure) to be directly connected with air channel 34, the quantity of the spray point 39 is two pairs, including the first electric discharge
The spray point 392 of pin 391 and second, and the two poles of the earth of two pairs of spray points are set in parallel in the wind path wall of the both sides of air channel 34, and
Near the dust-collecting net 311.Arrange EHPA between first air intake vent 321 and the first electro static filtering module 331 to filter
Net 3311, arranges EHPA screen packs 3321 between second air intake vent 322 and the second electro static filtering module 332.
It is appreciated that the quantity of spray point can also be more than two pairs, as long as spray point can be in air through electrostatic mistake
Until the circulating area having to pass through before discharge forms the electricity that the tight powered finely ground particles of obstruct are escaped after filter module purification
.
Example IV：
4th better embodiment of air cleaning unit of the present invention as shown in figure 18, the air described in the present embodiment is net
Makeup is put and is with the difference of the air cleaning unit 1 described in embodiment one：The two poles of the earth of the spray point 49 are set in parallel in
The wall of the first air channel 441 between first electro static filtering module 431 and the second electro static filtering module 432, when powered finely ground particles
When meeting the electric field with same potential, powered finely ground particles are ostracised back the first air channel 441, and are adsorbed in the first air channel 441
Inwall.
It is appreciated that institute's pole spray point can be placed on each inner wall surface in the first air channel, such as refering to shown in Figure 19
Air cleaning unit, its spray point is located in upper area of first air channel away from insulation crust bottom；Such as refering to figure
Air cleaning unit shown in 20, its spray point is located in the zone line in the first air channel；Such as refering to the sky shown in Figure 21
Air purifying apparatus, its spray point is located in the bottom section in the first air channel, the i.e. inner wall surface of insulation crust bottom；
Embodiment five：
5th better embodiment of air cleaning unit of the present invention as shown in figure 22, described in the present embodiment with enforcement
Air cleaning unit difference described in example one is：The two poles of the earth of the spray point 59 be arranged in parallel, and the syringe needle 592 at the two poles of the earth is consolidated
Due to the inwall in the second air channel 542, needle point 591 against the atmospherical discharges in the second air channel 542, i.e., now put down by the two poles of the earth of spray point 59
OK, and the two poles of the earth needle point 591 it is incorgruous, the syringe needle 592 at the two poles of the earth is also incorgruous, i.e., described spray point 59 is against air channel atmospherical discharges
's.
Two die openings are 8 millimeters, and spray point the two poles of the earth bottom 591 is fixedly connected with the air channel inner wall surface in the second air channel,
And electrically connect with the power circuit (not marking in figure), a pole of the spray point 59 connects negative pole, another pole ground connection, two interpolar shapes
Into 6 kilovolts of electrical potential difference.The head 592 at the two poles of the earth is against air channel atmospherical discharges, the spray point 59, wherein the head 5921 of a pole
One end diameter less than the spray point other positions, the diameter of one end of the head 5922 of another pole is less than the spray point
Other positions.
It is appreciated that the two poles of the earth of the spray point spatially can be with non-parallel setting, such as a pole along its length
It it is in spatially along its length 30 degree with another pole.
It is appreciated that spray point modes of emplacement spatially can also be as shown in figure 23, the spray point
The diameter of head is all higher than other positions of spray point, and this structure can equally produce more uniform electric field.
It is appreciated that the modes of emplacement of the spray point described in the present embodiment can be also used for embodiment two and the He of embodiment three
Air cleaning unit described in example IV.
Embodiment six：
6th better embodiment of air cleaning unit of the present invention as of fig. 24, the air described in the present embodiment is net
Makeup is put and is with the difference of the air cleaning unit described in embodiment one：The quantity of the electro static filtering module is one
Group, the inlet side of the electro static filtering module 63 is connected with the air inlet 62 of the insulation crust 60, the electro static filtering module 63
Air side be directly connected with annular gas channel (the second air channel as described in previous embodiment), the spray point 69
Annular gas channel inwall is arranged at, head (not marking in figure) and the electro static filtering module 63 of the spray point ionize area edge
Distance be 40CM.
Embodiment seven：
7th better embodiment of the air cleaning unit of the present invention as shown in Figure 25 to Figure 27, described in the present embodiment
Air cleaning unit is with the difference of air cleaning unit implemented described in：If the electro static filtering module 73 includes
Dry electro static filtering unit 731, filter element support 732, electro static filtering module housing 733, power contact 734 and air duct
735.The filter element support 732 and electro static filtering module housing 733 are integrally formed, and the electro static filtering unit 731 passes through
Filter element support 732 is fixed, and the power contact 734 is electrically connected with electro static filtering unit 731.The electro static filtering unit 731
Including the ionization pole 7311 for being provided with sharp tooth made by multiple metal materials, and the dust collecting electrode 7312 in hollow cylindrical, it is described
The gap of the dust collecting electrode 7312 of hollow cylindrical forms air duct 735.The ionization pole 7311 of the sharp tooth and described
Cylindrical dust collecting electrode 7312 connects respectively different electrodes, and 10,000 volts of electrical potential difference is formed therebetween, is consequently formed electricity
, it is ionized when ionization pole of the foul atmosphere through the sharp tooth, electric charge on the particulate matter band such as dust (and be generally brought on negative
Electric charge), a charged particle thing part is adsorbed in the surface of cylindrical dust collecting electrode, the trickleer charged particle thing of another part
Then fail to be adsorbed on dust collecting electrode surface, float to the first air channel with air-flow.
It is appreciated that the structure of electro static filtering module of the present invention is in addition to aforesaid structure, can also be that pin hole is tied
The combination of one or more in the hardened structure of structure, needle plate structure, line and line cable architecture.
Embodiment eight：
8th better embodiment of air cleaning unit of the present invention as shown in figure 28, the air described in the present embodiment is net
Makeup is put and is with the difference of the air cleaning unit described in embodiment one：The electrical potential difference at the two poles of the earth of the spray point 89 is
1.1 ten thousand volts, the spacing between the two poles of the earth be D, D=50 millimeters.
Embodiment nine：
8th better embodiment of air cleaning unit of the present invention as shown in figure 29, the air cleaning unit 9 and reality
The difference for applying the air cleaning unit 1 described in example one is：The dust-collecting net 911 is arranged on the bottom of the insulation crust 90
Inner wall surface.It is appreciated that the dust-collecting net may be mounted at multiple regions of the air channel inner wall surface.
Above-described embodiment is preferred technical scheme, and the technical characteristic between different embodiments can be with being combined into more
Progressive embodiment.
Finally illustrate, above example is only unrestricted to illustrate technical scheme, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, it all should cover at this
In the middle of the right of invention.
Claims (12)
1. a kind of air cleaning unit, including air intake vent, electro static filtering module, air channel, air outlet, it is characterised in that：In electrostatic
Negative ion generating device is provided with the air channel of the air after filtering module purification.
2. air cleaning unit according to claim 1, it is characterised in that：The electro static filtering module and air outlet it
Between be provided with air ducting.
3. air cleaning unit according to claim 2, it is characterised in that：Described negative ion generating device is located at wind-guiding
In air channel between device and air outlet.
4. the air cleaning unit according to 1-3 any one claims, it is characterised in that：The negative ion generating device
Include electric discharge needle device.
5. air cleaning unit according to claim 4, it is characterised in that：The electric discharge needle device includes two to wind
The metal needle of the atmospherical discharges in road, the head path length of piece metal needle of wherein at least is less than other portions of metal needle that it is located
Position.
6. the air cleaning unit stated according to claim 5, it is characterised in that：Two gold to the atmospherical discharges in air channel
The spacing of category pin is 5 millimeters to 50 millimeters.
7. the air cleaning unit stated according to claim 5, it is characterised in that：Two gold to the atmospherical discharges in air channel
The voltage connected during category needle-discharging state is 4 kilovolts to 11 kilovolts.
8. air cleaning unit according to claim 5, it is characterised in that：Described two are to the atmospherical discharges in air channel
Metal needle be spatially parallel to each other.
9. the air cleaning unit according to 1-3 any one claims, it is characterised in that：The air cleaning unit bag
Power circuit is included, the electro static filtering module includes at least two pieces pole plates with semi-conducting material, one piece of pole plate therein
It is connected with the positive pole of power circuit, another piece is connected with the negative pole of power circuit, and space is left between two pieces of pole plates.
10. air cleaning unit according to claim 9, it is characterised in that：It is provided with the relative surface of the pole plate
Tip.
11. air cleaning units according to claim 10, it is characterised in that：The distance between described two pieces of pole plate tips
Not less than 0.1 centimetre.
12. air cleaning units according to 1-3 any one claims, it is characterised in that：The air cleaning unit
Also include the dust-collecting net for collecting particulate matter, the dust-collecting net is arranged in the bottom of air cleaning unit or air channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995099.2A CN106642377A (en) | 2016-11-11 | 2016-11-11 | Air purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610995099.2A CN106642377A (en) | 2016-11-11 | 2016-11-11 | Air purifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106642377A true CN106642377A (en) | 2017-05-10 |
Family
ID=58806685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610995099.2A Withdrawn CN106642377A (en) | 2016-11-11 | 2016-11-11 | Air purifying device |
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| Country | Link |
|---|---|
| CN (1) | CN106642377A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107560023A (en) * | 2017-09-11 | 2018-01-09 | 广东美的制冷设备有限公司 | Electrostatic precipitation module and conditioner |
| CN109276964A (en) * | 2017-07-19 | 2019-01-29 | 贾广 | A kind of anion removes haze structure |
| CN110945293A (en) * | 2017-07-27 | 2020-03-31 | 尔森私人有限公司 | Ion generating device |
| WO2020216360A1 (en) * | 2019-04-25 | 2020-10-29 | 上海必修福企业管理有限公司 | Clean room system for semiconductor manufacturing and electric field dust removal method therefor |
| CN115493229A (en) * | 2021-06-18 | 2022-12-20 | 广东美的环境电器制造有限公司 | Purifying device |
-
2016
- 2016-11-11 CN CN201610995099.2A patent/CN106642377A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109276964A (en) * | 2017-07-19 | 2019-01-29 | 贾广 | A kind of anion removes haze structure |
| CN110945293A (en) * | 2017-07-27 | 2020-03-31 | 尔森私人有限公司 | Ion generating device |
| CN110945293B (en) * | 2017-07-27 | 2022-12-27 | 尔森私人有限公司 | Ion generating device |
| CN107560023A (en) * | 2017-09-11 | 2018-01-09 | 广东美的制冷设备有限公司 | Electrostatic precipitation module and conditioner |
| WO2020216360A1 (en) * | 2019-04-25 | 2020-10-29 | 上海必修福企业管理有限公司 | Clean room system for semiconductor manufacturing and electric field dust removal method therefor |
| WO2020216352A1 (en) * | 2019-04-25 | 2020-10-29 | 上海必修福企业管理有限公司 | Cleanroom system for semiconductor manufacturing, and semiconductor manufacturing system |
| CN115493229A (en) * | 2021-06-18 | 2022-12-20 | 广东美的环境电器制造有限公司 | Purifying device |
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