CN205659518U - Single wind lung is protected - Google Patents
Single wind lung is protected Download PDFInfo
- Publication number
- CN205659518U CN205659518U CN201620397677.8U CN201620397677U CN205659518U CN 205659518 U CN205659518 U CN 205659518U CN 201620397677 U CN201620397677 U CN 201620397677U CN 205659518 U CN205659518 U CN 205659518U
- Authority
- CN
- China
- Prior art keywords
- filter
- high efficiency
- protected
- single wind
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a single wind lung is protected, includes that main case and host computer cover, the host computer is covered and is equipped with the air intake, be equipped with thick effect filter, high efficiency filter and centrifugal fan in proper order along air flow path in the main case, centrifugal fan communicates the air outlet through the wind channel, be equipped with the aviation baffle between high efficiency filter and the centrifugal fan, the inner wall of main case is equipped with the echelonment structure for to slightly imitate the filter places with the high efficiency filter partition. The utility model discloses a to have the windage little in the aspect, and it is smooth and easy to air exhaust, advantage that the filter effect is good, on the other hand has reduced the laying dust speed on high efficiency filter surface, and then improves high efficiency filter's life, practices thrift the cost, reduces and changes the number of times.
Description
Technical field
This utility model relates to technical field of air purification, and particularly a kind of single wind lung is protected.
Background technology
Along with industrial expansion grows, air pollution is day by day serious, causes haze to take place frequently.In haze containing substantial amounts of such as
The pollutant such as PM2.5 granule, can seriously damage the Health and Living quality of people, especially to old man, child and respiratory tract
The injury that Disease is caused becomes apparent from.Further, since China's Development of China's Urbanization is too fast, there are design and the rule in a lot of cities and towns
Draw unreasonable, be nearby provided with industrial occupancy at areas around settlements, even with industrial occupancy, residential block surrounded；So, in factory
Waste gas by wind dispersal to nearest residential block so that the living environment very severe of people, if the longest time
Between live, the health of people is by by serious threat.The health of indoor air quality appreciable impact people, comfortable and work effect
Rate, is increasingly paid close attention to by people.
Existing indoor are general all carrys out the air in clean room by installation clearing machine, indoor old wind can be converted to new wind
Carry out the health of beneficially people.Generally there is the phenomenon that filter efficiency is low in existing air cleaner, particularly to PM2. 5
The filtration of particulate matter, and existing filter easily blocks, the most relatively low strainability, and windage is big, comfort level reduces.Separately
Outward, the installation and removal of existing filter are the most inconvenient, install part many, waste time and energy.
Utility model content
The purpose of this utility model is to overcome the above-mentioned deficiency of prior art to provide a kind of volume compact, and windage is little, row
Wind is smooth and easy, easy for installation, and single wind lung of good filtration effect is protected.
The technical solution of the utility model is: a kind of single wind lung is protected, and including main case and host cap, described host cap sets
There is air inlet, in described main case, be sequentially provided with low efficient filter, high efficiency particulate air filter and centrifugal blower, institute along inlet air flow path
State centrifugal blower and connect air outlet through air channel；It is provided with wind deflector between described high efficiency particulate air filter and centrifugal blower；Main case interior
Wall is provided with step structure, places for being separated with high efficiency particulate air filter by low efficient filter.
Further, seal with elastometic washer is passed through between described high efficiency particulate air filter and wind deflector.
Further, described low efficient filter include slightly imitating filter shell and be located in thick effect filter shell slightly imitate filtration
Portion；Described thick effect filter house is the drainage screen folded, and drainage screen includes multiple pleat portion.
Preferably, a height of 40 ~ 60mm of folding of described drainage screen, folding spacing is 4 ~ 7mm.
Preferably, the thickness of described drainage screen is 0.5 ~ 2mm.
Preferably, the both sides of described thick effect filter shell are provided with lanyard.
Further, the lateral separation of described thick effect filter shell is provided with multiple dividing plate, and each described dividing plate downwardly extends out
Multiple parting beads for blocking drainage screen, the quantity of the parting bead on each dividing plate is identical with the quantity in described pleat portion.
Further, described high efficiency particulate air filter includes high efficiency filter shell and the high efficiency filter being located in high efficiency filter shell
Portion；Described high efficiency filter portion is the filter paper folded, and filter paper includes multiple pleat portion.
Preferably, a height of 25 ~ 35mm of folding of described filter paper, folding spacing is 3 ~ 5mm.
Preferably, the thickness of described filter paper is 1 ~ 2mm.
Preferably, sealed by colloid between described high efficiency filter portion and high efficiency filter shell.
Preferably, the glue muscle that each described pleat portion sidewall is formed after being all bonded with gluing, adjacent glue muscle is in pleat Jian Chu phase
Connect.
Further, described low efficient filter and/or detachable being installed in main case of high efficiency particulate air filter.
Preferably, described low efficient filter and/or high efficiency particulate air filter by clamping, inlay, be spirally connected, rivet or hinged side
Formula is detachable with main case to be connected.
Preferably, the structure of described clamping is: a sidewall of main case is provided with fixed buckle, and another sidewall is provided with activity
Formula buckle.
Further, described wind deflector is provided with the flow-guiding mouth corresponding with air channel；Described centrifugal blower and described flow-guiding mouth
It is oppositely arranged.
Further, described centrifugal blower includes wheel hub and the fan blade being located on wheel hub, and described fan blade is located at hub edge also
It is intervally arranged；The inner edge of fan blade and outer rim line are camber line, and the top edge of fan blade connects guide ring.
Preferably, the spacing between adjacent fan blade is 10 ~ 18mm.
Preferably, the height of described fan blade is 30 ~ 40mm.
Preferably, the external diameter of described centrifugal blower is 4 ~ 8:1 with thickness ratio.
Further, described air channel is volute, including helicoid, snail tongue and deferent segment；The cross section molded line of described snail tongue is circle
Camber line, arc radius is 8 ~ 15mm.
Further, the periphery of described centrifugal blower is provided with control circuit, and described control circuit includes:
Controller, for processing the command information of reception；
Fan drive circuit, for regulating the air quantity of centrifugal blower, by gear adjusting button send gear input information to
Controller, is controlled fan drive circuit by controller and realizes gear regulation；
Described gear adjusting button controls for the gear regulation and machine open/close realizing centrifugal blower.
The beneficial effects of the utility model:
(1) step structure is set by the inwall at main case, low efficient filter can be separated with high efficiency particulate air filter and put
Put, the most easy for installation, time saving and energy saving, and also there is therebetween certain gap in stepped making so that and air can be suitable
Freely enter air channel, be substantially reduced windage；
(2) by being combined with high efficiency particulate air filter by low efficient filter and sealing, filter efficiency is not only made to be more than 99%, and
And also reduce the laying dust speed on high efficiency particulate air filter surface, and then improve the service life of high efficiency particulate air filter, cost-effective, reduce
Change number of times；
(3) low efficient filter is conveniently replaceable dismounting with the demountable structure of high efficiency particulate air filter, reduces maintenance cost.
Accompanying drawing explanation
Fig. 1 is the structure cross-sectional schematic of this utility model embodiment；
Fig. 2 is the structural representation of embodiment illustrated in fig. 1 centrifugal blower.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, detailed construction of the present utility model is further described.
As shown in Figure 1: a kind of single wind lung is protected, and including main case 1 and host cap 2, host cap 2 is provided with air inlet, main frame
Being sequentially provided with low efficient filter 3, high efficiency particulate air filter 4 and centrifugal blower 5 along inlet air flow path in shell 1, centrifugal blower 5 is through air channel
6 connection air outlets 7；Wind deflector 8 it is provided with between high efficiency particulate air filter 4 and centrifugal blower 5；The inwall of main case 1 is provided with stepped knot
Structure 9, for separating placement by low efficient filter 3 and high efficiency particulate air filter 4.
The present embodiment, can be by low efficient filter 3 and high efficiency filter by arranging step structure 9 at the inwall of main case 1
Device 4 separates to be placed, the most easy for installation, and stepped making exists therebetween certain gap so that air can be suitable
Freely enter air channel, be substantially reduced windage.The step structure 9 of the present embodiment can be to be designed directly to by the inwall of main case 1
Stepped, it is also possible to be that stepped support member is installed on the inwall of main case 1.Preferably, low efficient filter 3 and high efficiency filter
Gap between device 4 is 10 ~ 15mm.
In the present embodiment, main case 1 uses metal material or the nonmetallic materials such as plastics, wood-based plate to make.In order to increase
Intensity, the inwall of main case 1 is provided with reinforcement, to prevent main case 1 from deforming.Air inlet is made up of several air vents, ventilates
Hole can be covered with the surface of whole host cap 2, it is also possible to is an arrangement part.The shape of air vent can be circular, square, ellipse
Circle, parallelogram, cellular etc., not only reduce respiratory resistance, also achieve lightweight.
In the present embodiment, sealed by rubber ring 41 between high efficiency particulate air filter 4 and wind deflector 8, seal tight, do not have
The phenomenon that part air pollution is not filtered.
In the present embodiment, low efficient filter 3 include slightly imitating filter shell and be located in thick effect filter shell slightly imitate filtration
Portion；Thick effect filter house is the drainage screen 31 folded, and drainage screen 31 includes multiple pleat portion.Low efficient filter 3 is used for carrying out intermediate effcient
Filter, the particulate matter that particle diameter is bigger is carried out intermediate effcient filtration, such as mosquito, big particle diameter dust etc., the drainage screen 31 of the present embodiment
Aperture be micron order, be greatly improved filter efficiency.The a height of 60mm of folding of drainage screen 31, folding spacing is 5mm；The thickness of drainage screen
Degree is 1mm.If folding is high too low, filter effect can be reduced, if folding is high too high, the volume of main case 1 can be increased.The selection of folding spacing
Relevant with intake and filter effect, if folding spacing is the least, then intake is little；If folding spacing is too big, poor filtration effect.Drainage screen
The thickness of 31 is relevant with filter effect, if the thickness of drainage screen 31 is the least, then poor filtration effect, if thickness is too big, then cost is high.
The lateral separation of thick effect filter shell is provided with four dividing plates, and each dividing plate downwardly extends out multiple for blocking filtration
The parting bead of net 31, the quantity of the parting bead on each dividing plate is identical with the quantity in pleat portion, and parting bead can be used to ensure that pleat portion is indeformable, enters
And ensure that the drainage screen 31 folded has identical folding spacing, it is achieved uniformly air-out.
The both sides of thick effect filter shell are provided with lanyard, easily can be pulled down by low efficient filter 3 by hand-held lanyard, dismount ten
It is convenient to divide, time saving and energy saving.The lanyard of the present embodiment is steel wire rope, and steel wire rope is welded on thick effect filter shell.
High efficiency particulate air filter 4 includes high efficiency filter shell and the high efficiency filter portion being located in high efficiency filter shell；Efficiently
Sealed by colloid between filter house and high efficiency filter shell, thus ensure its positive confinement.High efficiency filter portion is the mistake folded
Filter paper 42, filter paper 42 includes multiple pleat portion, and pleat portion is horizontally set.The glue that each pleat portion sidewall is formed after being all bonded with gluing
Muscle, adjacent glue muscle connects at pleat Jian Chu.Use glue muscle both to achieve lightweight, in turn ensure that identical folding spacing, and make height
Effect filter house does not occur at random when by wind-force effect.Filter paper 42 is folded, it is to avoid leaking out now occurs in filter paper 42
As, and then do not have the phenomenon that part air pollution is not filtered, it is greatly improved filter efficiency.
It addition, use filter paper 42 to filter, compared with activated carbon, drainage screen or other filter, there is lightweight, volume
The advantage such as little, resistance is little, Unit Weight, unit volume strainability are good；And the filter of conventional air cleaners uses and filters
The structures such as net can only remove bulky grain, it is impossible to filter PM2.5, the high efficiency particulate air filter 4 in the present embodiment can with high efficiency filter PM2.5,
Smog etc., have thoroughly completely cut off air pollution and haze, greatly facilitate the health of people.
Preferably, the thickness of high efficiency particulate air filter is 30mm, is a kind of slim filter, is greatly reduced high efficiency particulate air filter 6
Volume and weight.The a height of 30mm of folding of filter paper, folding spacing is 3mm, and the thickness of filter paper is 2mm.
The present embodiment, by being used in combination with high efficiency particulate air filter 4 by low efficient filter 3, is greatly improved filter efficiency.Thick effect
The thickness of filter 3 is more than the thickness of high efficiency particulate air filter 4, thus improves the filter effect of low efficient filter 3 so that enter thick effect
The particulate matter of filter 3 is filtered mostly, and the fine particle thing not filtered, when high efficiency particulate air filter 4, will reduce height
The laying dust speed on effect filter 4 surface, and then improve the service life of high efficiency particulate air filter 4, both saved cost, decreased again more
Change number of times.
In the present embodiment, high efficiency particulate air filter 4 is connected with main case 1 by snap fit, particularly as follows: the side of main case 1
Wall is provided with fixed buckle, and another sidewall is provided with movable buckle, by mobile movable buckle, high efficiency particulate air filter 4 is placed in master
In casing 1, and by fixed buckle clamping, easy accessibility is time saving and energy saving.Further, since high efficiency particulate air filter 4 is towards air intake
The side of mouth is polluted by outside air, if the side towards air inlet to be installed on the direction towards air outlet, and can be big
Reduce greatly filter effect, affect the health of people, on high efficiency filter shell, be therefore provided with installation indicate, as arrow indicates, with
Avoid anti-loaded for high efficiency particulate air filter 4.After high efficiency particulate air filter 4 installs, low efficient filter 3 is placed in the top of step structure 9
Face, then host cap 2 is covered tightly.
In the present embodiment, wind deflector 8 is provided with the flow-guiding mouth corresponding with air channel 6；Centrifugal blower 5 is relative with flow-guiding mouth to be set
Put.Wind deflector 8 is tightly connected with the sidewall of main case 1, to prevent air channel 6 from the problem leaked out occur.
As shown in Figure 2: in the present embodiment, centrifugal blower 5 includes wheel hub 51 and the fan blade 52 being located on wheel hub 51, fan blade 52
It is located at wheel hub 51 edge and is intervally arranged；The inner edge of fan blade 52 and outer rim line are camber line, and the top edge of fan blade 52 connects water conservancy diversion
Ring 53.The inner edge of fan blade 52 and outer rim line are camber line, it is possible to increase water conservancy diversion area, and then increase air output.In the present embodiment
Spacing between adjacent fan blade 52 is 15mm so that the output that air quantity is more concentrated, and increases and uniformly divides between air output, and fan blade 52
Cloth, it is possible to ensure that the impulsive force that each fan blade 52 is born is consistent, reduce the vibration of fan blade 52.The height of fan blade 52 is 30 ~
40mm, it is possible to increase air output.The external diameter of centrifugal blower 5 and thickness are than for 4:1, and for ultrathin centrifugal blower fan, volume is little, lightweight,
It is easy to carry.
In the present embodiment, air channel 6 is in volute, including helicoid 61, snail tongue 62 and deferent segment 63.Air channel 6 is designed to snail
Shape, can make gas channel by little gradually big, and the flow velocity of air is the most from fast to slow, and blast is uprised by low, causes centrifugal blower 5 to go out
Blast at Kou reaches peak.The cross section molded line of snail tongue 62 is circular arc line, and arc radius is 8mm so that in point at snail tongue 62
Shape, can reduce resistance, it is to avoid produces whirlpool point, and reduces noise further, improves the intensity of wind.
In the present embodiment, the periphery of centrifugal blower 5 is provided with control circuit 10, and control circuit 10 includes:
Controller, for processing the command information of reception；
Fan drive circuit, for regulating the air quantity of centrifugal blower 5, by gear adjusting button send gear input information to
Controller, is controlled fan drive circuit by controller and realizes gear regulation, and the present embodiment is the regulation of basic, normal, high third gear.
Gear adjusting button controls for the gear regulation and machine open/close realizing centrifugal blower 5.Machine open/close is adjusted with third gear
Joint unites two into one, and when clicking gear adjusting button, then starts shooting and is in low-grade air quantity, by second time, being converted to middle-grade air quantity,
By the 3rd time, be converted to high-grade air quantity, then click, then shut down, operate the simplest.
The side of main case 1 is additionally provided with charging inlet, is that controller is powered by power supply changeover device.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, it is clear that this area
Technical staff this utility model can be carried out various change modification without deviating from spirit and scope of the present utility model.If
These amendments of the present utility model and modification are belonged within the scope of this utility model claim and equivalent technologies thereof, all belongs to
In protection domain of the present utility model.
Claims (19)
1. a single wind lung is protected, it is characterised in that: including main case and host cap, described host cap is provided with air inlet, described
It is sequentially provided with low efficient filter, high efficiency particulate air filter and centrifugal blower, described centrifugal blower warp along inlet air flow path in main case
Air channel connection air outlet；It is provided with wind deflector between described high efficiency particulate air filter and centrifugal blower；The inwall of described main case is provided with rank
Ladder-shaper structure, places for being separated with high efficiency particulate air filter by low efficient filter.
Single wind lung the most according to claim 1 is protected, it is characterised in that: pass through rubber between described high efficiency particulate air filter and wind deflector
Rubber sealing.
Single wind lung the most according to claim 1 and 2 is protected, it is characterised in that: described low efficient filter includes slightly imitating outside filtration
Shell and be located in thick effect filter shell slightly imitate filter house；Described thick effect filter house is the drainage screen folded, and drainage screen includes many
Individual pleat portion.
Single wind lung the most according to claim 3 is protected, it is characterised in that: a height of 40 ~ 60mm of folding of described drainage screen, rolls over spacing
Being 4 ~ 7mm, the thickness of drainage screen is 0.5 ~ 2mm.
Single wind lung the most according to claim 3 is protected, it is characterised in that: the both sides of described thick effect filter shell are provided with lanyard.
Single wind lung the most according to claim 3 is protected, it is characterised in that: the lateral separation of described thick effect filter shell is provided with many
Individual dividing plate, each described dividing plate downwardly extends out multiple parting bead for blocking drainage screen, the quantity of the parting bead on each dividing plate
Identical with the quantity in described pleat portion.
Single wind lung the most according to claim 1 and 2 is protected, it is characterised in that: described high efficiency particulate air filter includes outside high efficiency filter
Shell and the high efficiency filter portion being located in high efficiency filter shell；Described high efficiency filter portion is the filter paper folded, and filter paper includes many
Individual pleat portion.
Single wind lung the most according to claim 7 is protected, it is characterised in that: a height of 25 ~ 35mm of folding of described filter paper, rolls over spacing
Being 3 ~ 5mm, the thickness of filter paper is 1 ~ 2mm.
Single wind lung the most according to claim 7 is protected, it is characterised in that: between described high efficiency filter portion and high efficiency filter shell
Sealed by colloid.
Single wind lung the most according to claim 7 is protected, it is characterised in that: after each described pleat portion sidewall is all bonded with gluing
The glue muscle formed, adjacent glue muscle connects at pleat Jian Chu.
11. single wind lungs according to claim 1 and 2 are protected, it is characterised in that: described low efficient filter and/or high efficiency filter
Detachable being installed in main case of device.
12. single wind lungs according to claim 11 are protected, it is characterised in that: described low efficient filter and/or high efficiency particulate air filter
By clamping, inlay, be spirally connected, rivet or be hinged by the way of detachable with main case be connected.
13. single wind lungs according to claim 12 are protected, it is characterised in that: the structure of described clamping is: the side of main case
Wall is provided with fixed buckle, and another sidewall is provided with movable buckle.
14. single wind lungs according to claim 1 and 2 are protected, it is characterised in that: described wind deflector is provided with corresponding with air channel
Flow-guiding mouth；Described centrifugal blower is oppositely arranged with described flow-guiding mouth.
15. single wind lungs according to claim 1 and 2 are protected, it is characterised in that: described centrifugal blower includes wheel hub and is located at wheel
Fan blade on hub, described fan blade is located at hub edge and is intervally arranged；The inner edge of fan blade and outer rim line are camber line, fan blade upper
Edge connects guide ring.
16. single wind lungs according to claim 15 are protected, it is characterised in that: the spacing between adjacent fan blade is 10 ~ 18mm, wind
The height of leaf is 30 ~ 40mm.
17. single wind lungs according to claim 15 are protected, it is characterised in that: the external diameter of described centrifugal blower and thickness ratio be 4 ~
8:1。
18. single wind lungs according to claim 1 and 2 are protected, it is characterised in that: described air channel is volute, including helicoid, snail
Tongue and deferent segment；The cross section molded line of described snail tongue is circular arc line, and arc radius is 8 ~ 15mm.
19. single wind lungs according to claim 1 and 2 are protected, it is characterised in that: the periphery of described centrifugal blower is provided with control electricity
Road, described control circuit includes:
Controller, for processing the command information of reception；
Fan drive circuit, for regulating the air quantity of centrifugal blower, is sent gear input information to control by gear adjusting button
Device, is controlled fan drive circuit by controller and realizes gear regulation；
Described gear adjusting button controls for the gear regulation and machine open/close realizing centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620397677.8U CN205659518U (en) | 2016-05-05 | 2016-05-05 | Single wind lung is protected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620397677.8U CN205659518U (en) | 2016-05-05 | 2016-05-05 | Single wind lung is protected |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205659518U true CN205659518U (en) | 2016-10-26 |
Family
ID=57160267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620397677.8U Expired - Fee Related CN205659518U (en) | 2016-05-05 | 2016-05-05 | Single wind lung is protected |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205659518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642428A (en) * | 2016-11-22 | 2017-05-10 | 远大空品科技有限公司 | Clean ventilator |
-
2016
- 2016-05-05 CN CN201620397677.8U patent/CN205659518U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642428A (en) * | 2016-11-22 | 2017-05-10 | 远大空品科技有限公司 | Clean ventilator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205536230U (en) | Double fan air purifier of improvement | |
| CN206406730U (en) | A kind of vehicular air purifier | |
| CN2817957Y (en) | Wet dust-collecting fan | |
| CN205659518U (en) | Single wind lung is protected | |
| CN202606304U (en) | Whirlwind and rotational flow device for electrostatically processing oil fume and dust containing gases | |
| CN106016563A (en) | Novel energy-saving draught fan | |
| CN206410242U (en) | A kind of air purifier | |
| CN205549270U (en) | Wearable head -mounted air purifier | |
| CN206449739U (en) | Indoor air Quality Processor | |
| CN107655070A (en) | A kind of air-cooled ducted air conditioner for integrating air conditioner and clarifier | |
| CN105395129A (en) | Cabinet type dust suction device | |
| CN205867900U (en) | Powder dust removal collection device | |
| CN210211976U (en) | Air duct structure of vehicle-mounted air purifier | |
| CN206463686U (en) | Air outlet structure for rinsing type air purifier | |
| CN208097684U (en) | A kind of plug-type electrostatic fabric filter | |
| CN210511993U (en) | Air ducting and air purifier | |
| CN208116176U (en) | A kind of shockproof filter plant with dedusting function | |
| CN207350553U (en) | A kind of Wind Volume air purifier | |
| CN207102134U (en) | Ceiling clarifier | |
| CN206646423U (en) | A kind of road indicator with outside atmosphere purification function | |
| CN207287772U (en) | A kind of dust treatment facilities and dust removal machine | |
| CN206304525U (en) | A kind of Integral electric bag dust collector | |
| CN106642428A (en) | Clean ventilator | |
| CN211261093U (en) | Intelligence house is with novel air purification device | |
| CN108709265A (en) | A kind of multifunctional air purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 Termination date: 20210505 |