CN206330218U - Air cleaning system and air purifier - Google Patents
Air cleaning system and air purifier Download PDFInfo
- Publication number
- CN206330218U CN206330218U CN201621338380.0U CN201621338380U CN206330218U CN 206330218 U CN206330218 U CN 206330218U CN 201621338380 U CN201621338380 U CN 201621338380U CN 206330218 U CN206330218 U CN 206330218U
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- air
- housing
- purifying ball
- cleaning system
- ball
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model is related to air purification field, more particularly to a kind of air cleaning system and air purifier, including housing；Air inlet and air outlet are provided with housing, purifying ball, filter layer and blower fan are disposed with housing along the flow direction of air；Absorption cavity is evenly arranged with purifying ball, and purifying ball is rotatably arranged in housing.The utility model can in advance be adsorbed before strainer filtering is carried out to air to the dust in air, is mitigated the work load of later stage filter screen, is realized more preferable air purification effect.
Description
Technical field
The utility model is related to technical field of air purification, more particularly, to a kind of air cleaning system and air cleaning
Device.
Background technology
Air purifier is also known as " air cleaner ", air cleaner, clarifier, is to refer to adsorb, decompose or convert
Various air pollutants (generally comprise the finishing pollution of PM2.5, dust, pollen, peculiar smell, formaldehyde etc, bacterium, anaphylactogen
Deng), the product of air cleanliness is effectively improved, family expenses, commercialization, industry and building are broadly divided into.
Air purifier from principle for can be largely classified into two kinds, a kind of is the air cleaning of passive adsorption filtering type
Principle, and it is another, it is active air cleaning principle.The air purifier of passive type, is mainly taken out air with blower fan
Enter machine, then by built-in strainer filtering air, the effect such as Chalk-dust filtering, peculiar smell, sterilization can be played.Active sky
Gas cleaning principle is different from passive type air cleaning principle and is that, active air purifier has broken away from blower fan and filter screen
Limitation, without it is passive when air pumped into carry out again filter afterwards discharged again by blower fan, but effectively, active
The factor that purifying and sterilizing is discharged into air, the characteristics of by diffusing, spread in atmosphere, reach each corner pair of interior
Air carries out the effect purified without dead angle.
Cleaning is needed most in life, in air is exactly dust, but existing absorption type air purifier is to dust
Absorption is mainly adsorbed with screen pack, and the absorption burden of screen pack is big, causes the clean-up effect of air purifier not good enough.
Utility model content
The purpose of this utility model is to provide a kind of air cleaning system and air purifier, alleviates prior art
The screen pack purification heavy load of middle air purifier, the undesirable technical problem of cleaning effect.
In a first aspect, a kind of air cleaning system that the utility model is provided, including：Housing；It is provided with the housing
Air inlet and air outlet, purifying ball, filter layer and blower fan are disposed with along the flow direction of air in the housing；Institute
State and be evenly arranged with purifying ball absorption cavity, and the purifying ball is rotatably arranged in the housing.
Further, the absorption cavity is the tubular structure dissipated along the centre of sphere of the purifying ball to its spherical uniform,
And form thin-walled between the adjacent absorption cavity.
Further, the section of the absorption cavity gradually increases from the centre of sphere to sphere.
Further, the section of the absorption cavity is regular hexagon.
Further, core axle is provided with the purifying ball, the center of the core axle through the purifying ball is worn
On the purifying ball, the purifying ball can be rotated in the housing around the core axle.
Further, arc-shaped rack is provided with the purifying ball, the arc-shaped rack is fixedly connected the core axle
Two ends, the medial surface of the arc-shaped rack fits in the surface of the purifying ball, and the lateral surface of the arc-shaped rack is provided with
For the toothing being meshed with driving chain, the driving chain can drive the arc-shaped rack to be rolled around.
Further, the housing includes the first housing, the second housing and top cover, first housing and the second shell
Body is connected, and both can be such that housing is changed between opening and closed state；Divide on first housing and second housing
The hemispherical Shell of the purifying ball can be fastened and coat by not being provided with.
Further, the hemispherical Shell being arranged on first housing offers the knot for being connected with the air inlet
Structure, and the hemispherical Shell being arranged on second housing offers the structure for being connected with the air outlet.
Further, the filter layer is located at the purifying ball top, and the filter layer includes setting gradually from bottom to top
Gel cotton coarse filtration net, HEPA filter layer, activated carbon adsorption layer.
Second aspect, a kind of air purifier that the utility model is provided, including control system and such as above-mentioned technical scheme
Any described air cleaning system provided, the control system is electrically connected with the blower fan.
A kind of air cleaning system and air purifier that the utility model is provided can produce following beneficial effect：
A kind of air cleaning system and air purifier that the utility model is provided, including：Housing；It is provided with housing
Air inlet and air outlet, purifying ball, filter layer and blower fan are disposed with along the flow direction of air in housing；Purifying ball
On be evenly arranged with absorption cavity, and purifying ball is rotatably arranged in housing.The absorption cavity opened up on purifying ball can be with
The dust in the air of air inlet entrance is adsorbed with, the structure of its cavity can reach more preferable adsorption effect.Spherical purification
Spherical structure surface distributed adsorbs the opening of cavity, can be to absorption cavity when outside air flowing enters certain partial adsorbates cavity
Side wall one motive force of formation, and then promote purifying ball to rotate.Purifying ball is rotated, and outside air can be entered by air inlet in succession
Enter different absorption cavitys.In the rotation process of purifying ball, it is adsorbed into the dust in the air of absorption cavity.Purifying ball
Carry in housing rotatably arranged with the rotation of purifying ball adds the time that air is cleaned in purifying ball, also enhances net
Change adsorption effect of the ball to dust.Air after purified ball adsorption cleaning passes through the filtration, purification of filter layer again, finally by going out
Air port is discharged by the air after purification.As can be seen that the air cleaning system that the utility model is provided, can be carried out to air
Before strainer filtering, the dust in air is adsorbed in advance, mitigates the work load of later stage filter screen, realizes more excellent
The effect of purify air.The air purifier of the air cleaning system is provided with, more preferable air cleaning effect can be reached.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The accompanying drawing to be used needed for embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of internal structure schematic diagram for air purifier that Fig. 1 provides for the utility model；
A kind of external structure schematic diagram for air purifier that Fig. 2 provides for the utility model；
Fig. 3 is the driving structure schematic diagram of purifying ball in Fig. 1；
Fig. 4 dismantles the air purifier top view of top cover for Fig. 2.
Icon：100- air inlets；200- air outlets；300- purifying balls；301- arc-shaped racks；302- driving chains；
400- filter layers；500- blower fans；600- top covers；The housings of 601- first；The housings of 602- second；700- control panels.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outer " are, based on orientation shown in the drawings or position relationship, to be only
Described for the ease of description the utility model and simplifying, rather than to indicate or imply that signified device or element must have specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are refer to, the air cleaning provided below in conjunction with accompanying drawing the utility model embodiment
System and air purifier elaborate.
Embodiment one
A kind of air cleaning system that the present embodiment is provided, including：Housing；Air inlet 100 and air-out are provided with housing
Mouth 200, purifying ball 300, filter layer 400 and blower fan 500 are disposed with along the flow direction of air in housing；Purifying ball
Absorption cavity is evenly arranged with 300, and purifying ball 300 is rotatably arranged in housing.
In air, dust has very big proportion.From the point of view of the physical characteristic of dust, dust is solid impurity, and shape is more
Irregularly.From the point of view of its chemical characteristic, the comparison of ingredients of dust is complicated, it provide sometimes cause the acid group and metal of degraded from
Son.Some dust are inherently with acid or alkalescence, and such as fumes of sulphuric acid, photochemical fog just have acidity, metal oxide
There is alkalescence Deng particulate.Floating dust in other dust is small due to particle diameter, and surface area is non-big, therefore their adsorption capacity is very strong,
Can be by the noxious substance in air on their surfaces, and be in acid or alkalescence.Due to the physical and chemical performance that dust is complicated, very
Hardly possible is filtered to it using special a certain filter material and is reached good clean-up effect.Processing to dust is most simple and efficient
Method be exactly it is adsorbed with other materials, so as to reduce the content of dust in air, reach the purpose of purification.
Purifying ball 300 is a spheroid for spreading all over absorption cavity, and absorption cavity is evenly distributed on purifying ball 300, increased
The specific surface area of purifying ball 300, and then add adsorption capacity of the purifying ball 300 to dust in air, alleviate later stage mistake
The purification burden of filter screen.Being uniformly distributed for absorption cavity is to realize the uniform rotation of purifying ball 300, prevent due to net
The change each several part weight of ball 300 is uneven and causes purifying ball 300 to rotate the situation for having obstacle or even stalling.
Purifying ball 300 is rotatably arranged in housing, on the one hand, rotationally purifying ball 300 can increase purifying ball 300
On absorption cavity and dust time of contact, reach most possibly absorption dust effect；On the other hand, purifying ball 300
Produced with air and faint electrostatic is carried on friction, purifying ball 300, dust belongs to slight small item matter, is easily electrostatically adsorbed, rotated
Ground purifying ball 300 can also realize the effect of optimization dust absorption.
High molecular polymer all has stronger triboelectrification ability, so, the material choosing of purifying ball 300 in the present embodiment
Be selected as plastics, be specifically as follows polyamide, that is, the nylon material being commonly called as.
It should be noted that absorption of the purifying ball 300 to dust in the present embodiment is physical absorption, physical absorption is maximum
The characteristics of be exactly reversible.That is, purifying ball 300 has been adsorbed after enough dust, can be taken apart purifying ball 300, to net
Change ball 300 to be cleaned or cleaned, realize being used for multiple times for purifying ball 300.
Concrete analysis, purifying ball 300 is arranged on air inlet 100 and gone out, after air is entered by air inlet 100, first with purification
Ball 300 is contacted.The absorption cavity opened up on purifying ball 300 can be adsorbed with the dust in the air of air inlet entrance, its cavity
Structure can reach more preferable adsorption effect.The opening of the spherical body structure surface of purifying ball 300 distribution absorption cavity, works as the external world
, can be to adsorbing side wall one motive force of formation of cavity when air flow enters certain partial adsorbates cavity, and then promote purifying ball
300 rotate.Purifying ball 300 is rotated, and outside air can enter different absorption cavitys by air inlet in succession.In purifying ball 300
Rotation process in, into absorption cavity air in dust be adsorbed.Purifying ball 300 carry housing in rotatably arranged with,
The rotation increase of purifying ball 300 is known clearly the time that air is cleaned in purifying ball 300, also enhances purifying ball 300 to dust
Adsorption effect.Air after the purified adsorption cleaning of ball 300 passes through the filtration, purification of filter layer 400 again, finally by air outlet
200 discharge the air after purification.As can be seen that the air cleaning system that the present embodiment is provided, can be filtered to air
Before net filtration, the dust in air is adsorbed in advance, mitigates the work load of later stage filter screen, is realized more excellent net
Change the effect of air.
Wherein, the absorption cavity on purifying ball 300 is the tubulose knot dissipated along the centre of sphere of purifying ball 300 to its spherical uniform
Structure.
The absorption cavity of the tubular structure big space that make use of purifying ball 300 as far as possible, increases the ratio of purifying ball 300
Surface area, and then increase adsorption effect of the purifying ball 300 to dust.
Specifically, the section of absorption cavity gradually increases from the centre of sphere to sphere, and forms thin-walled between adjacent adsorbent cavity.
The tubular structure of absorption cavity gradually increases from the centre of sphere of purifying ball 300 to sphere, net also for making full use of
Change the space of ball 300, form larger surface area, and then increase the specific surface area of purifying ball 300, finally strengthen the suction to dust
Attached effect.
And thin-walled is formed between adjacent absorption cavity, it is also same purpose.Also, this structure not only realizes increasing
The effect of the big specific surface area of purifying ball 300, also reduces and saves material, make total lighter and handier, the rotation of purifying ball 300
Implement more convenient.
The section for adsorbing cavity can be various shapes, and circular or polygon can.But, in line with increase purifying ball
The purport of 300 specific surface areas, the section of absorption cavity is preferably regular hexagon.
The interior angle of regular hexagon is 120 degree, and 3 regular hexagons can surround 360 degree just, take full advantage of purifying ball
300 space, meets the requirement that the present embodiment purifying ball 300 realizes enhancing dust adsorption capacity.
Core axle is provided with purifying ball 300, the center of the purified ball 300 of core axle is located on purifying ball 300, only
Changing ball 300 can be rotated in housing around core axle.
Arc-shaped rack 301 is provided with purifying ball 300, arc-shaped rack 301 is fixedly connected the two ends of core axle, arc-shaped gear
The medial surface of bar 301 fits in the surface of purifying ball 300, and the lateral surface of arc-shaped rack 301, which is provided with, to be used for and driving chain 302
The toothing being meshed, driving chain 302 can drive arc-shaped rack 301 to be rolled around.
Although the air entered by air inlet 100 can drive the rotation of purifying ball 300, can extend purifying ball 300 with
The time of air contact, and then the purpose that purifying ball 300 adsorbs dust is improved, still, because the position of air inlet 100 is fixed,
Space is always maintained at unanimously, causing purifying ball 300 into housing by the position of air inlet 100 with the angle that purifying ball 300 is contacted
It can only rotate in the same direction as, can not being optimal to the adsorption effect of dust.In order to further increase purifying ball 300 with
In the time of air contact, the present embodiment, core axle and arc-shaped rack 301 are additionally provided with purifying ball 300.
As shown in figure 3, the two ends of core axle are fixedly connected with arc-shaped rack 301, the arc-shaped rack 301 is around purifying ball
300 sphere extension, the arc-shaped rack 301 is located across in the perpendicular of core axle.The presence of arc-shaped rack 301, be exactly
In order to drive purifying ball 300 in the perpendicular through core axle counterclockwise or turn clockwise so that purifying ball 300 can
The rotation multi-faceted to realize multi-angle, accordingly adds the suction on the time of contact of dust and purifying ball 300, purifying ball 300
Attached cavity can adsorb more dust, improve clean-up effect.
Specifically, the rotation of arc-shaped rack 301 is driven by driving chain 302.The driving chain 302 and arc-shaped rack 301
Intermeshing, and arc-shaped rack 301 can be driven to be rotated where it in perpendicular.Arc-shaped rack 301 is rotated, and drives core
Axle is rotated in the perpendicular that it is passed through, so as to realize counterclockwise or clockwise turn of purifying ball 300 in perpendicular
It is dynamic.
Housing in the present embodiment includes the first housing 601, the second housing 602 and top cover 600, the first housing 601 and the
Two housings 602 are connected, and both can be such that housing is changed between opening and closed state；First housing 601 and the second housing 602
On be respectively arranged with and can fasten and coat the hemispherical Shell of purifying ball 300.
Housing is acted on playing the whole cleaning system of protection, but in order to realize replacing and the dimension to housing interior structure
Shield, housing is set to include three parts：First housing 601, the second housing 602 and top cover 600.
Wherein, the first housing 601 is arranged on the peripheral surface of whole housing, just the set location to purifying ball 300, relatively
In the second housing 602, Area comparison is small.The concrete structure of first housing 601 is similar to a wicket on the second housing 602,
The first housing 601 is opened, it is possible to see the internal structure of purifying ball 300, so as to realize to housing interior structure more
Change and safeguard, for example, the purifying ball 300 for being stained with dust is taken out into cleaning.
The side of first housing 601 is easy to the second housing 602 to be hinged, and can conveniently realize opening and closing.Phase
The opposite side being hinged to the first housing 601 and the second housing 602, can be provided with snap close piece realization and the lock of the second housing 602
Tightly.
Purifying ball 300 is sphere structure, in order to realize that air is directly contacted after entering in housing with purifying ball 300, is prevented
Dust is diffused into other structures, and one layer of encasement is provided with the outside of purifying ball 300.The encasement is symmetrical arranged for two
And the Loadings On Hemispherical Shell of cladding purifying ball 300 can be fastened, one of hemispherical Shell is arranged on the inner side of the first housing 601, another
Hemispherical Shell is arranged on the corresponding position in the inner side of the second housing 602.
It is provided with purifying ball 300 after encasement, it is necessary to which the hemispherical Shell being arranged on the first housing 601 is offered is used for
The structure connected with air inlet 100, the hemispherical Shell being arranged on the second housing 602 is offered for connecting with air outlet 200
Structure, could so realize the normal operation of whole cleaning system.
It should be noted that the hemispherical Shell being arranged on the second housing 602 here is offered for connecting with air outlet 200
Logical structure, means after air is by structure output on the hemispherical Shell, by filter layer 400, eventually arrives at air outlet
200。
Filter layer 400 in the present embodiment is thick positioned at the top of purifying ball 300, including the gel cotton set gradually from bottom to top
Screen pack, HEPA filter layer 400, activated carbon adsorption layer.
Wherein, gel cotton into coarse filtration net, can effectively be filled into the floating dust of more than 20 microns of size in air,
The materials such as the hair, the dandruff of human body or the pollen that are come off including pet in family, filter effect can typically reach
92% or so.More intrepid, gel cotton also has the dynamic sterilization techniques of av-990, after coarse filtration layer 400 is made,
The effect of the rich contained a large amount of av-990 cation groups in its surface can be given full play to.Due to the cell membrane surface of bacterium, fungi
Negative electrical charge is carried, is neutralized when it meets, the breathing function of bacterium is suppressed and is occurred death, changes its charge number
Become and produce bacterolysis, so as to reach the purpose for efficiently removing bacterium.
HEPA filter layer 400 is located at the second layer in triple filter layer 400, plays vital effect.In usual feelings
Under condition, formed by chemical fibre or glass fibre manufacture, it is internal then used flocculent structure.In terms of filter effect, to straight
Footpath can reach more than 99.74% for 0.3 micron of the effective clearance of particulate matter, and as the smog produced in Environmental Tobacco Smoke in Non-industrial Area of China
Grain, most of all in 0.5 microns, this class material can also be filtered well, therefore all things considered, HEPA filter layer
400 pairs of pm2.5 filterings have good effect.
Activated carbon is a kind of amorphous shot-like particle of black or fine-powder.In air purifier product, typically with particle
The form of shape is present.Activated carbon grain has very big surface area, and whole body, which all spreads all over, abundant micropore, and its chemical characteristic determines it
Possess stronger adsorption capacity, and can fully be contacted with gas, that is, with larger adsorption capacity, can be light
Pine absorption is to pernicious gases such as benzene,toluene,xylene and carbon tetrachloride.After these gases are by micro-porous adsorption, then purification is played
Effect.
Embodiment two
A kind of air purifier that the present embodiment is provided, including control system and any air for being provided such as embodiment
Cleaning system, control system is electrically connected with blower fan 500.
Concrete structure on air cleaning system has above been described in detail, and here is omitted.
Control system also includes the control panel 700 being arranged on top cover 600, and the control panel 700 is easy to user couple
The present embodiment is controlled.
The air purifier of the air cleaning system is provided with, more preferable air cleaning effect can be reached.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of air cleaning system, it is characterised in that including：Housing；Air inlet and air outlet, edge are provided with the housing
The flow direction for air is disposed with purifying ball, filter layer and blower fan in the housing；Uniformly set on the purifying ball
Absorption cavity is equipped with, and the purifying ball is rotatably arranged in the housing.
2. air cleaning system according to claim 1, it is characterised in that the absorption cavity is along the purifying ball
Thin-walled is formed between the tubular structure that the centre of sphere dissipates to its spherical uniform, and the adjacent absorption cavity.
3. air cleaning system according to claim 2, it is characterised in that the section of the absorption cavity is from the centre of sphere to ball
Face gradually increases.
4. air cleaning system according to claim 3, it is characterised in that the section of the absorption cavity is positive six side
Shape.
5. air cleaning system according to claim 1, it is characterised in that core axle is provided with the purifying ball,
The center of the core axle through the purifying ball is located on the purifying ball, and the purifying ball can be around described in the housing
Core axle is rotated.
6. air cleaning system according to claim 5, it is characterised in that be provided with arc-shaped gear on the purifying ball
Bar, the arc-shaped rack is fixedly connected the two ends of the core axle, and the medial surface of the arc-shaped rack fits in the purifying ball
Surface, the lateral surface of the arc-shaped rack is provided with the toothing for being meshed with driving chain, the driving chain energy
The arc-shaped rack is enough driven to be rolled around.
7. air cleaning system according to claim 1, it is characterised in that the housing includes the first housing, second shell
Body and top cover, first housing are connected with second housing, and both can be such that housing turns between opening and closed state
Change；The hemispherical Shell of the purifying ball can be fastened and coat by being respectively arranged with first housing and second housing.
8. air cleaning system according to claim 7, it is characterised in that be arranged on the hemispherical Shell on first housing
Offer the structure for being connected with the air inlet, and the hemispherical Shell being arranged on second housing offer for and institute
State the structure of air outlet connection.
9. air cleaning system according to claim 8, it is characterised in that the filter layer is located on the purifying ball
Portion, the filter layer includes the gel cotton coarse filtration net set gradually from bottom to top, HEPA filter layer, activated carbon adsorption layer.
10. a kind of air purifier, it is characterised in that the air including control system and as described in claim any one of 1-9
Cleaning system, the control system is electrically connected with the blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621338380.0U CN206330218U (en) | 2016-12-07 | 2016-12-07 | Air cleaning system and air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621338380.0U CN206330218U (en) | 2016-12-07 | 2016-12-07 | Air cleaning system and air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206330218U true CN206330218U (en) | 2017-07-14 |
Family
ID=59289666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621338380.0U Expired - Fee Related CN206330218U (en) | 2016-12-07 | 2016-12-07 | Air cleaning system and air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206330218U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440094A (en) * | 2016-12-07 | 2017-02-22 | 广东技术师范学院 | Air purifying system and air purifier |
| CN109632152A (en) * | 2018-12-28 | 2019-04-16 | 天长市九星仪表有限公司 | A kind of pressure transmitter shell being convenient to clean dust |
-
2016
- 2016-12-07 CN CN201621338380.0U patent/CN206330218U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440094A (en) * | 2016-12-07 | 2017-02-22 | 广东技术师范学院 | Air purifying system and air purifier |
| CN109632152A (en) * | 2018-12-28 | 2019-04-16 | 天长市九星仪表有限公司 | A kind of pressure transmitter shell being convenient to clean dust |
| CN109632152B (en) * | 2018-12-28 | 2020-10-20 | 天长市九星仪表有限公司 | Pressure transmitter shell convenient to clearance dust |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20171207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |