CN107115728B - Air purifying device - Google Patents
Air purifying device Download PDFInfo
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- CN107115728B CN107115728B CN201710475056.6A CN201710475056A CN107115728B CN 107115728 B CN107115728 B CN 107115728B CN 201710475056 A CN201710475056 A CN 201710475056A CN 107115728 B CN107115728 B CN 107115728B
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- 238000004887 air purification Methods 0.000 claims abstract description 15
- 230000002070 germicidal effect Effects 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000000844 anti-bacterial effect Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 17
- 238000000746 purification Methods 0.000 abstract description 9
- 238000001914 filtration Methods 0.000 abstract description 7
- 150000001450 anions Chemical class 0.000 description 6
- 239000013618 particulate matter Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000006303 photolysis reaction Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000015843 photosynthesis, light reaction Effects 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005802 health problem Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/22—Ionisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
- B01D53/323—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/818—Employing electrical discharges or the generation of a plasma
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/10—Multiple layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an air purification device, which comprises a shell, wherein an air inlet and an air outlet are arranged on the shell, a filter element assembly, a germicidal lamp module and an air duct are sequentially arranged between the air inlet and the air outlet inside the shell, a wind wheel is arranged in the air duct, the diameter of the wind wheel is D, the air duct is a pipeline comprising a bottom plate, a side wall and a cover plate, a circular flow guide inlet corresponding to the wind wheel is arranged on the cover plate, the side wall is in a spiral involute structure, and a divergent flow passage consisting of a straight line A and a straight line B is formed at the outlet of the air duct. The air purification device provided by the invention can purify air through the multiple purification modules, has a good purification effect, and realizes the effects of high filtration efficiency, large air output, long clean air conveying distance and low noise.
Description
Technical Field
The invention relates to the field of air purification, in particular to an air purification device.
Background
At present, air pollution is serious, the health problem of children is gradually taken into consideration, a healthy learning environment is especially important for the children, in order to improve the air quality of classrooms, some air purifiers for the classrooms appear on the market, the air in the classrooms is purified to a certain extent, but the air purifiers have the following problems: 1. the purification effect is poor, most of the purifier high-efficiency filter element assemblies are poor and thin, the PM2.5 filtration rate is low, no middle effect exists, larger particles passing through the coarse-effect filter element assembly fall on the high-efficiency filter element assembly, the high-efficiency filter element assembly is high in replacement frequency and cannot be replaced for a long time, so that the air volume is small, and the purification effect is poor; 2. the filter element is provided with a filter element assembly, a filter element is arranged in the filter element assembly, and the filter element assembly is provided with a filter element; 3. the air quantity is small or the noise is large, the air quantity of the purifier is small, air can not be rapidly purified within a certain time, and when the air quantity is satisfied, the noise is too large.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an air purification device which can purify air through multiple purification modules and has the advantages of good purification effect, high filtration efficiency, large air output and low noise.
In order to solve the technical problem, the invention provides an air purification device which comprises a machine shell, wherein an air inlet and an air outlet are formed in the machine shell, a filter element assembly, a germicidal lamp module and an air duct are sequentially arranged between the air inlet and the air outlet in the machine shell, a wind wheel is installed in the air duct, the diameter of the wind wheel is D, the air duct is a pipeline comprising a bottom plate, a side wall and a cover plate, a circular flow guide inlet corresponding to the wind wheel is formed in the cover plate, the side wall is in a spiral involute structure, a gradually-expanding flow channel consisting of a straight line A and a straight line B is formed in an air duct outlet, the base point of a base circle of the spiral involute is O, the length of the straight line A is L and is tangent to the spiral involute at a point C, and the included angle theta is formed between the extension line of the straight line B and the straight line A 2 Is 13-18 degrees and is connected with the spiral involute through a transition fillet with the radius of R, and the R is 0.04-0.08D; the extension line of the straight line B is intersected with the extension line of the spiral involute at a point E, the point C is connected with the point E by taking O as a starting point, and an included angle between the formed straight line OC and the straight line OE is theta 1 The angle is 50-60 degrees, and the distance delta between the wind wheel and the side wall is 0.02-0.05D.
The L >0.3D.
The cover plate at the edge of the diversion inlet is arc-shaped and extends downwards, and the distance L between the lowest point of the cover plate and the highest point of the wind wheel 1 Is 2-8 mm, when the wind wheel is a forward-inclined wind wheel, the diameter of the guide inlet is larger than that of the wind wheel, namely, the radial clearance L between the guide inlet and the wind wheel 2 <0, when the wind wheel is a backward inclined wind wheel, the diameter of the flow guide inlet is smaller than that of the wind wheel, namely the radial clearance L between the second air inlet and the wind wheel 2 >0。
The negative ion module and the plasma module are installed at the outlet of the air duct, the maximum width of the air duct outlet is L3, and the negative ion module and the plasma module are arranged at 1/3L of the air duct outlet 3 ～1/2L 3 At the location.
The inside baffle by being located in the middle of the casing divides into block one and block two, block one includes bottom plate one, curb plate one and apron one, block two includes bottom plate two, curb plate two and apron two, baffle upper portion links to each other with curb plate two and apron two, and the lower part is provided with the opening that makes block one and block two-phase intercommunication, set up the air intake on the apron two, the upper portion position that the air intake below just is located the baffle sets up filter element group spare, the filter element group spare below sets up the bactericidal lamp module group, the bactericidal lamp module group is installed on bottom plate two, wind wheel and wind channel are installed on bottom plate one, the air outlet sets up on curb plate one.
The air inlet department is provided with pore form air inlet plate, air inlet plate passes through the knob to be installed on the casing.
The air outlet is provided with a flow guide decorative plate, and a flow guide sheet and a protective net are arranged on the flow guide device plate.
The filter element component comprises three layers of filter elements with coarse effect, medium effect and high efficiency.
And a main control board and a switch are installed on the second side plate, and the main control board is installed on the second side plate through a bolt.
Two first blocks can be arranged in the shell, namely the wind wheel and the air duct can be arranged into two blocks, and the second block can be respectively connected with the first block and the second block through the partition plates on the two sides.
The invention achieves the following beneficial effects:
1. be provided with filter element group spare and bactericidal lamp module before the wind channel, consequently from the air of air intake entering this device, filter, bactericidal lamp module photodissociation secondary purification through filter element group spare, reached and fully filtered the decomposition to bacterium, virus, organic gas and particulate matter, purifying effect is better.
2. To theta 1 And theta 2 The range limitation of the air duct realizes the gradual expansion of the air duct outletThe basic structure of the flow passage is positioned, R further defines the structure of the divergent flow passage, and because the side wall at the transition round corner forms the baffle tongue, the bypass separation at the outlet of the air passage is easily caused, therefore, when the radius R of the transition round corner is smaller, the high rotating speed is required to improve the air quantity, the noise is larger, and when R is larger, the bypass separation at the baffle tongue is inhibited, therefore, the air flow is smooth, the noise is smaller, but the corresponding device size is larger, therefore, when theta is larger, theta is larger 1 Is 50 to 60 degrees theta 2 The air outlet efficiency is higher and the noise is relatively lower when the angle is 13-18 degrees and the R is 0.04-0.08D.
3. The distance between the partition tongue and the wind wheel is delta, when delta is smaller, the air outlet quantity of the air duct is large, and the noise is increased; when delta is larger, the air output of the air duct is reduced, and the noise is reduced, and when delta is 0.02-0.05D, the noise and the air output are both in a moderate range, the noise cannot be too large, and the air output cannot be too small.
Further, the length of the straight line A is L, and the larger the L is, the lower the noise is, but the size of the whole device is enlarged; and if L is too short, the wind direction of the air outlet is uneven, the air is discharged from the air outlet and is easy to disperse, and the conveying distance of the filtered air is short, so that when L is in the limit range of the size of the device and L is greater than 0.3Dmm, the wind direction is even, the noise is low, and the size of the device cannot be too large.
Furthermore, the cover plate at the edge of the flow guide inlet is in a circular arc shape extending downwards, and the circular arc-shaped inlet forms flow guide, so that air inlet of the air duct is uniform; distance L between the lowest point of the cover plate and the highest point of the wind wheel 1 Is 2 to 8mm 1 The smaller the air inlet loss is, the higher the requirement on the manufacturing precision and the dynamic balance of the wind wheel is, L 1 When the thickness is 2-8 mm, the conventional manufacturing precision can meet the requirement, and meanwhile, the air inlet loss is small, so that the air outlet quantity is large, and the filtering efficiency is high.
Therefore, the air purification device provided by the invention can purify air through the multiple purification modules, has a good purification effect, and achieves the effects of high filtration efficiency, large air outlet quantity, long conveying distance of clean air and low noise.
Drawings
FIG. 1 is a schematic structural view of a side wall of an air duct according to the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an external structural view of the present invention;
fig. 4 is a schematic diagram of a position relationship between an air duct and a wind wheel according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example one
An air purification device as shown in fig. 1 to 4, which comprises a housing, be provided with air intake 16 and air outlet 17 on the casing, filter element group spare 1, bactericidal lamp module 2 and wind channel 3 have set gradually between inside air intake 16 of casing and the air outlet 17, install wind wheel 4 in the wind channel 3, 4 diameters of wind wheel are D, 3 pipelines for including bottom plate 22, lateral wall 23 and apron 5 in the wind channel, be provided with the circular water conservancy diversion import 8 corresponding with wind wheel 4 on the apron 5, the lateral wall is spiral involute 20 structure to form the divergent runner of compriseing sharp A and sharp B in 3 exits in the wind channel, the base circle basic point that the spiral involute 20 is O, sharp A length is L and is tangent at the C point with spiral involute 20, and the extension line of sharp B is theta with sharp A's contained angle for theta 2 Is 13 degrees and is connected with the spiral involute 20 through a transition fillet with the radius of R, and R is 0.04D; the extension line of the straight line B is intersected with the extension line of the spiral involute 20 at the point E, the straight line is connected to the point C and the point E by taking the point O as a starting point, and the included angle between the formed straight line OC and the straight line OE is theta 1 At 60 deg., the distance delta between the rotor 4 and the side wall 23 is 0.02D.
The L >0.3D.
The cover plate 5 at the edge of the diversion inlet 8 is arc-shaped and extends downwards, and the distance L between the lowest point of the cover plate 5 and the highest point of the wind wheel 4 1 2mm, the wind wheel 4 is a backward inclined wind wheel, the diameter of the flow guide inlet 8 is smaller than that of the wind wheel 4, namely, the radial clearance between the air inlet 16 II and the wind wheel 4L 2 >0。
An anion module 6 and a plasma module 7 are installed at the outlet of the air duct 3, and the maximum width of the outlet of the air duct 3 is L 3 The anion module 6 is arranged at 1/3L of the outlet of the air duct 3 3 At the position, the plasma module 7 is arranged at 1/2L of the outlet of the air duct 3 3 In this position, the wind speed is higher, which makes the anion module 6 and the plasma module 7 function better.
Inside baffle 9 by being located in the middle of the casing divides into block one and block two, block one includes bottom plate one 10, curb plate one 11 and apron one 12, block two includes bottom plate two 13, curb plate two 14 and apron two 15, baffle 9 upper portion links to each other with curb plate two 14 and apron two 15, and the lower part is provided with the opening that makes block one and block two communicate, set up air intake 16 on the apron two 15, 16 below of air intake and the upper portion position that is located baffle 9 set up filter element group 1, filter element group 1 below sets up germicidal lamp module group 2, germicidal lamp module group 2 is installed on bottom plate two 13, wind wheel 4 and wind channel 3 are installed on bottom plate one 10, air outlet 17 sets up on curb plate one 11.
The air circulation path in the device is as follows: the air enters a second block through an air inlet 16, is filtered by the filter element assembly 1, is subjected to photolysis sterilization by the sterilizing lamp module 2, enters the first block through an opening in the partition plate 9 under the action of the wind wheel 4, and enters the air duct 3 through the wind wheel 4 to be blown out; the upper part of the partition plate 9 is connected with the side plate of the second block, so that the filter element assembly 1 is fixedly supported, and air is prevented from directly entering the wind wheel 4 without being purified by the germicidal lamp module 2; the second block and the first block are relatively independent and are mutually communicated, so that the two blocks can jointly complete the air purification process, and meanwhile, when a certain block needs to be repaired or cleaned, the whole block can be taken down without opening the shell of the whole device, so that the maintenance is more convenient.
The air intake 16 department is provided with pore form air inlet plate 24, provides the prefilter, air inlet plate 24 passes through the knob to be installed on the casing, is convenient for take off air inlet plate 24 and washs or maintain the change.
The air outlet 17 department installs water conservancy diversion decorative board 25, be provided with water conservancy diversion piece and protection network on the water conservancy diversion device board 25, the air-out direction can be adjusted according to the different conditions to the water conservancy diversion piece, can be decorated air outlet 17 again, improves the aesthetic feeling, and the protection network prevents that foreign matter dust from getting into inside the device.
Filter element group spare 1 is including coarse effect, well effect, high-efficient three-layer filter core, utilizes the filter core in different apertures to realize the interception to different diameter particulate matters, and the initial effect, well effect filter core intercept in advance to the great particulate matter in diameter, make the particulate matter volume that reachs high-efficient filter core show and reduce, have improved the availability factor of high-efficient filter core, have prolonged the life of high-efficient filter core, reduce the change number of times, and use cost reduces.
And a main control panel 18 and a switch 19 are installed on the second side plate 14, and the main control panel 18 is installed on the second side plate 14 through bolts, so that the disassembly is convenient and the maintenance is convenient.
Can set up two blocks one in the shell, promptly wind wheel 4 and wind channel 3 can set up to two, the baffle 9 of two accessible both sides in block links to each other with two blocks one respectively, and two wind wheels 4 carry out pressurization discharge to the air after filter element group spare 1 and germicidal lamp module group 2 purify, therefore the air output is bigger, and filtration efficiency is higher.
The first bottom plate 10 and the second bottom plate 13 are installed on the hanging plate 26, and the whole device is fixed on a wall through the hanging plate 26.
The germicidal lamp module 2 is an ultraviolet light module.
Example two
An air purification device as shown in fig. 1 to 4, which comprises a housing, be provided with air intake 16 and air outlet 17 on the casing, filter element group 1, bactericidal lamp module 2 and wind channel 3 have set gradually between inside air intake 16 of casing and the air outlet 17, install wind wheel 4 in the wind channel 3, 4 diameters of wind wheel are D, 3 pipelines for including bottom plate 22, lateral wall 23 and apron 5 in the wind channel, be provided with the circular water conservancy diversion import 8 corresponding with wind wheel 4 on the apron 5, the lateral wall is spiral involute 20 structure to form the divergent runner of constituteing by sharp A and sharp B in 3 exits in the wind channel, the spiral involute 20's base circle basic point is O, sharp A length be L and gradually open with the spiral for LLine 20 is tangent at point C, and the angle between the extension of line B and line A is theta 2 Is 18 degrees and is connected with the spiral involute 20 through a transition fillet with radius R, and R is 0.08D; the extension line of the straight line B is intersected with the extension line of the spiral involute 20 at the point E, the point C is connected with the point E by taking O as a starting point, and the included angle between the formed straight line OC and the straight line OE is theta 1 At 50 deg., the distance delta between the rotor 4 and the side wall 23 is 0.05D.
The L >0.3D.
The cover plate 5 at the edge of the diversion inlet 8 is arc-shaped and extends downwards, and the distance L between the lowest point of the cover plate 5 and the highest point of the wind wheel 4 1 Is 8mm, the wind wheel 4 is a forward-inclined wind wheel, the diameter of the flow guide inlet 8 is larger than that of the wind wheel 4, namely, the radial clearance L between the flow guide inlet 8 and the wind wheel 4 2 <0。
An anion module 6 and a plasma module 7 are installed at the outlet of the air duct 3, and the maximum width of the outlet of the air duct 3 is L 3 The anion module 6 is arranged at 1/3L of the outlet of the air duct 3 3 At the position, the plasma module 7 is arranged at 1/2L of the outlet of the air duct 3 3 At this location, the wind speed is higher, which makes the anion module 6 and the plasma module 7 function better.
Inside baffle 9 that is located the centre of casing divides into block one and block two, block one includes bottom plate one 10, curb plate one 11 and apron one 12, block two includes bottom plate two 13, curb plate two 14 and apron two 15, baffle 9 upper portion links to each other with curb plate two 14 and apron two 15, and the lower part is provided with the opening that makes block one and block two-phase intercommunication, set up air intake 16 on the apron two 15, 16 below of air intake and the upper portion position that is located baffle 9 set up filter element group 1, filter element group 1 below sets up germicidal lamp module group 2, germicidal lamp module group 2 installs on bottom plate two 13, wind wheel 4 and wind channel 3 install on bottom plate one 10, air outlet 17 sets up on curb plate one 11.
The circulation path of the air in the device is as follows: the air enters a second block through an air inlet 16, is filtered by the filter element assembly 1, is subjected to photolysis sterilization by the sterilizing lamp module 2, enters the first block through an opening in the partition plate 9 under the action of the wind wheel 4, and enters the air duct 3 through the wind wheel 4 to be blown out; the upper part of the partition plate 9 is connected with the side plate of the second block, so that the filter element assembly 1 is fixedly supported, and air is prevented from directly entering the wind wheel 4 without being purified by the germicidal lamp module 2; the second block and the first block are independent and communicated with each other, so that the two blocks can complete the air purification process together, and meanwhile, when a certain block needs to be repaired or cleaned, the whole block can be taken down without opening the shell of the whole device, so that the maintenance is more convenient.
The air intake 16 department is provided with pore form air inlet plate 24, provides the prefilter, air inlet plate 24 passes through the knob to be installed on the casing, is convenient for take off air inlet plate 24 and washs or maintain the change.
The air outlet 17 department installs water conservancy diversion decorative board 25, be provided with water conservancy diversion piece and protection network on the water conservancy diversion device board 25, the air-out direction can be adjusted according to the different conditions to the water conservancy diversion piece, can decorate air outlet 17 again, improves the aesthetic feeling, and the protection network prevents that the foreign matter dust from getting into inside the device.
Filter element group spare 1 is including coarse effect, well effect, high-efficient three-layer filter core, utilizes the filter core in different apertures to realize the interception to different diameter particulate matters, and the initial effect, well effect filter core intercept in advance to the great particulate matter in diameter, make the particulate matter volume that reachs high-efficient filter core show and reduce, have improved the availability factor of high-efficient filter core, have prolonged the life of high-efficient filter core, reduce the change number of times, and use cost reduces.
And a main control panel 18 and a switch 19 are installed on the second side plate 14, and the main control panel 18 is installed on the second side plate 14 through bolts, so that the dismounting is convenient and the maintenance is convenient.
Can set up two blocks one in the shell, promptly wind wheel 4 and wind channel 3 can set up to two, the baffle 9 of two accessible both sides in block links to each other with two blocks one respectively, and two wind wheels 4 carry out pressurization discharge to the air after filter element group spare 1 and germicidal lamp module group 2 purify, therefore the air output is bigger, and filtration efficiency is higher.
The first base plate 10 and the second base plate 13 are installed on the hanging plate 26, and the whole device is fixed on a wall through the hanging plate 26.
The germicidal lamp module 2 is an ultraviolet light module.
Monitoring the air quantity data of the noise machine:
simulation analysis is carried out on the air purifier by using an Ansys fluent module, a tetrahedral mesh and boundary conditions are as follows: the speed is inlet, free outflow is realized, the rotating speed of the impeller is 1200r/min, the diameter of the impeller is D, and theta is changed 1 、θ 2 R, delta and the like, and calculating the noise and the flow of the air purifier under different parameters, theta 1 ：50°～60°，θ 2 : 13-18 °, R:0.04 to 0.08D, δ: 0.02-0.05D, good flow and noise of the air purifier, and the following data of three different parameters
| θ 1 | θ 2 | R | δ | dB | Q |
| 60 | 13 | 0.04D | 0.02D | 52 | 1030 |
| 57 | 15 | 0.06D | 0.03D | 50 | 1000 |
| 50 | 18 | 0.08D | 0.05D | 51 | 980 |
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and those improvements and modifications should be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides an air purification device, a serial communication port, which comprises a housing, be provided with air intake and air outlet on the casing, filter element subassembly, bactericidal lamp module and wind channel have set gradually between inside air intake of casing and the air outlet, install the wind wheel in the wind channel, the wind wheel diameter is D, the wind channel is the pipeline including bottom plate, lateral wall and apron, be provided with the circular water conservancy diversion import corresponding with the wind wheel on the apron, the lateral wall is spiral involute structure to form the divergent runner of constituteing by sharp A and sharp B in the wind channel exit, the base circle basic point that the spiral involute is O, sharp A length is L and gradually bursts at the C point tangent with the spiral, and the extension line of sharp B is theta with sharp A's contained angle 2 Is 13-18 degrees and is connected with the spiral involute through a transition fillet with the radius of R, and the R is 0.04-0.08D; the extension line of the straight line B is intersected with the extension line of the spiral involute at the point E, the straight line is connected to the point C and the point E by taking the point O as a starting point, and the included angle between the formed straight line OC and the straight line OE is theta 1 Is 50-60 degrees, and the distance delta between the wind wheel and the side wall0.02-0.05D.
2. An air cleaning device according to claim 1, wherein L >0.3D.
3. The air purifying device according to claim 1, wherein the cover plate at the edge of the diversion inlet is arc-shaped and extends downwards, and the distance L between the lowest point of the cover plate and the highest point of the wind wheel is the same as the distance L between the lowest point of the cover plate and the highest point of the wind wheel 1 2-8 mm, when the wind wheel is a forward-inclined wind wheel, the diameter of the guide inlet is larger than that of the wind wheel, namely the radial clearance L between the guide inlet and the wind wheel 2 <0, when the wind wheel is a backward inclined wind wheel, the diameter of the flow guide inlet is smaller than that of the wind wheel, namely the radial clearance L between the second air inlet and the wind wheel 2 >0。
4. The air purification device as claimed in claim 1, wherein the outlet of the air duct is installed with a negative ion module and a plasma module, and the maximum width of the outlet of the air duct is L 3 The negative ion module and the plasma module are arranged at 1/3L of the outlet of the air duct 3 ～1/2L 3 At the location.
5. The air purifying device according to claim 1, wherein the inside of the housing is divided into a first block and a second block by a partition plate located in the middle, the first block comprises a first bottom plate, a first side plate and a first cover plate, the second block comprises a second bottom plate, a second side plate and a second cover plate, the upper part of the partition plate is connected with the second side plate and the second cover plate, the lower part of the partition plate is provided with an opening for communicating the first block and the second block, the second cover plate is provided with an air inlet, a filter element assembly is arranged below the air inlet and at the upper part of the partition plate, a germicidal lamp module is arranged below the filter element assembly, the germicidal lamp module is arranged on the second bottom plate, the wind wheel and the wind channel are arranged on the first bottom plate, and the air outlet is arranged on the first side plate.
6. The air cleaning device as claimed in claim 1, wherein the air inlet is provided with a fine-meshed air inlet plate, and the air inlet plate is mounted on the housing by a knob.
7. The air purifying device according to claim 1, wherein a flow guiding decorative plate is installed at the air outlet, and a flow guiding sheet and a protective net are arranged on the flow guiding decorative plate.
8. The air purification device of claim 1, wherein the filter element assembly comprises a coarse-effect, medium-effect, and high-effect three-layer filter element.
9. The air purification device of claim 5, wherein the second side plate is provided with a main control panel and a switch, and the main control panel is mounted on the second side plate through bolts.
10. An air cleaning device according to claim 5, wherein two blocks I are arranged in the casing, namely the wind wheel and the wind channel are arranged in two, and the block II can be respectively connected with the two blocks through the partition plates on two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710475056.6A CN107115728B (en) | 2017-06-21 | 2017-06-21 | Air purifying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710475056.6A CN107115728B (en) | 2017-06-21 | 2017-06-21 | Air purifying device |
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| CN107115728A CN107115728A (en) | 2017-09-01 |
| CN107115728B true CN107115728B (en) | 2022-10-28 |
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| CN201710475056.6A Active CN107115728B (en) | 2017-06-21 | 2017-06-21 | Air purifying device |
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| CN108917053A (en) * | 2018-05-21 | 2018-11-30 | 福州以恒电子技术有限公司 | A kind of air purifier being easily installed on plasma generator |
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| CN107115728A (en) | 2017-09-01 |
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