CN208398250U - A kind of window air purifier - Google Patents
A kind of window air purifier Download PDFInfo
- Publication number
- CN208398250U CN208398250U CN201820565950.2U CN201820565950U CN208398250U CN 208398250 U CN208398250 U CN 208398250U CN 201820565950 U CN201820565950 U CN 201820565950U CN 208398250 U CN208398250 U CN 208398250U
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- air
- sensor
- indoor
- room
- air purifier
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- Air Conditioning Control Device (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model discloses a kind of window air purifiers, by carbon dioxide sensor, toxic gas sensor, temperature sensor, humidity sensor, Intelligent air purifier composition, carbon dioxide sensor is for detecting indoor gas concentration lwevel, toxic gas sensor is for detecting indoor concentration of toxic gases, temperature sensor is for detecting room temperature, humidity sensor is for detecting indoor humidity, Intelligent air purifier has interior circulation and two kinds of operating modes of outer circulation, when work is in interior circulation pattern, air cleaning unit is filtered purification to room air；When work is in outer circulation pattern, feeding is indoor after outdoor air is purified, and supplements fresh air, and communicate with user mobile phone foundation, the work of Intelligent air purifier is controlled by mobile phone terminal.
Description
Technical field
The utility model relates to detect and remote control field more particularly to a kind of window air purifier automatically.
Background technique
In recent years, with the development of economy, air quality is worsening, and haze weather increased significantly, and harm adds
Weight.Many homes and offices all improve air quality using air purifier.But traditional air purifier needle
Indoor original air is purified, cannot not be circulated for indoor supplement fresh air, room air, oxygen-supplying amount is insufficient, titanium dioxide
Concentration of carbon increases, and is easy that people is allowed not feel like oneself.The ventilation of haze weather dropping window will lead to indoor script again and purify clean air
It is contaminated.And conventional air cleaners come to operation personally dependent on people, can not remotely be controlled, be caused to people's lives
It is inconvenient.
Summary of the invention
To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of window air purifiers, by long-range
Control Intelligent air purifier purifies room air, and the indoor carbon dioxide concentration that is shown according to mobile phone terminal has poison gas
To adjust indoor gas concentration lwevel, toxic gas dense to control Intelligent air purifier for bulk concentration, temperature, humidity data
Degree, temperature, humidity make people that can replace room air without windowing, while can also just purify in advance before entering the room
Air gives people a kind of comfortable feeling.
To achieve the above object, a kind of window air purifier provided by the utility model is achieved in that
A kind of window air purifier, including carbon dioxide sensor, toxic gas sensor, temperature sensor, humidity
Sensor, Intelligent air purifier, carbon dioxide sensor is mounted on indoor wall, dense for detecting indoor carbon dioxide
Degree, toxic gas sensor, temperature sensor, humidity sensor are ceiling mounted, and toxic gas sensor is for detecting
Indoor concentration of toxic gases, temperature sensor is for detecting room temperature, and humidity sensor is for detecting indoor humidity, Intelligent air
Gas purifier is mounted on window, is communicated for purifying to room air, and with user mobile phone foundation, is controlled by mobile phone terminal
The work of Intelligent air purifier processed.
The Intelligent air purifier of the utility model include plastic casing, shutter, water fog generator, air cleaning unit,
Gas-recycling plant, relay, GPRS module, control circuit board, heating net output blinds towards indoor in plastic casing on one side
Window, as air stream port, water fog generator, air cleaning unit, gas-recycling plant, relay, GPRS module, control electricity
Road plate, heating net are installed in plastic casing, in which: for increasing indoor moisture, air cleaning unit is used for water fog generator
It purifies the air of a room and the outdoor air come in, gas-recycling plant is exchanged for controlling room air with outdoor air, control
Circuit board is detected for receiving and processing carbon dioxide sensor, toxic gas sensor, temperature sensor, humidity sensor
Data, and control the data that GPRS module handles these well and be transferred to user mobile phone, user is by mobile phone terminal to GPRS mould
Block sends instruction, and the instruction received is sent to control circuit board by GPRS module, and control circuit board controls the folding of relay
It works to control water fog generator, air cleaning unit, gas-recycling plant, heating net respectively, heating net is for increasing interior
Temperature.
The gas-recycling plant of the utility model includes ventilation opening, turbofan, steering engine, connecting rod, turnover panel, the first straight-tooth
Wheel, the second spur gear, output ventilation opening outside plastic casing faced chamber on one side, as the channel that is exchanged with room air of outdoor,
Turbofan is used to promote the circulation of air in plastic casing, and turnover panel is fixed in connecting rod, for controlling the flow direction of air, thus
Determine that air cleaning unit purifies outdoor air or to indoor air purification, the second spur gear is fixed on the rotary shaft of steering engine
On, the first spur gear is fixed in connecting rod, drives the rotation of the second spur gear by steering engine, the second spur gear is the first spur gear biography
It is dynamic, drive connecting rod to rotate by the rotation of the first spur gear, and then drive turnover panel rotation.
The air cleaning unit of the utility model includes HEPA strainer, active carbon, anion generator, HEPA strainer, work
Property charcoal, anion generator be installed together, HEPA strainer is used for absorptionization for filtering out airborne particulates, active carbon
The pollutants such as smog, bacterium, dirt particle and pollen to be learned, achieve the effect that deodorization, anion generator generates a large amount of ion,
Ion stream, and then the gas filtration that particulate matter will be had are formed, purification and clean purpose are reached.
The Intelligent air purifier of the utility model has interior circulation and two kinds of operating modes of outer circulation, is turned over by steering engine drive
The operating mode of interior circulation and outer circulation is converted in plate rotation, and when work is in interior circulation pattern, the turnover panel by side indoors is beaten
It opens, so that room air is pumped into plastic casing by turbofan, air cleaning unit is filtered purification to room air；When
In outer circulation pattern, the turnover panel for leaning against outdoor side is opened, and outdoor air enters whirlpool from ventilation opening after turnover panel for work
Take turns fan, pass sequentially through HEPA strainer filter out airborne particulates, the bacterium in activated carbon adsorption air, dirt particle and
The pollutants such as pollen, anion generator cross the particulate matter in air filtering, are finally embodied as indoor supplement fresh air.
Since the utility model purifies room air using long-range control Intelligent air purifier, according to mobile phone terminal
The indoor carbon dioxide concentration of display, concentration of toxic gases, temperature, humidity data control in Intelligent air purifier regulation room
Gas concentration lwevel, concentration of toxic gases, temperature, the structure of humidity, so as to obtain it is following the utility model has the advantages that
It, can not only be in clean room 1. the utility model purifies air using interior circulation and outer circulation two kinds of operating modes
Air has also purified outdoor air, is effectively relieved since atmosphere draught-free is to sense of discomfort caused by people.
2. the utility model is communicated with user mobile phone using GPRS module, user only need to mobile phone terminal can control room
Interior temperature and humidity, purification air.
3. the utility model carries out purified treatment to air using HEPA strainer, active carbon, anion generator, effectively clear
Except various pollutants in air, air quality is improved, the excessively high harm to body of concentration of toxic gases in air is avoided.
Detailed description of the invention
Fig. 1 is a kind of mounting structure schematic diagram of window air purifier of the utility model；
Fig. 2 is a kind of structural schematic diagram of the Intelligent air purifier of window air purifier of the utility model；
Fig. 3 is a kind of structural schematic diagram of the gas-recycling plant of window air purifier of the utility model；
Fig. 4 is a kind of structural schematic diagram of the air cleaning unit of window air purifier of the utility model；
Fig. 5 is a kind of working principle diagram of the air cleaning unit of window air purifier of the utility model.
Main element symbol description.
Specific embodiment
Below with reference to embodiment and compares attached drawing the utility model is described in further detail.
Fig. 1 to 5 is please referred to, one of the utility model window air purifier, including carbon dioxide sensing are shown
Device 1, toxic gas sensor 2, temperature sensor 3, humidity sensor 4, Intelligent air purifier 5.
As shown in Figure 1, the carbon dioxide sensor 1 is mounted on indoor wall, i.e., each wall indoors
One identical carbon dioxide sensor 1 of upper installation respectively works as carbon dioxide sensor for detecting indoor gas concentration lwevel
1 detect indoor carbon dioxide concentration be higher than preset value when, transmit this information to control circuit board 13 processing, control circuit board
13 treated that data are sent to user hand generator terminal through GPRS module 12 shows, remotely controls relay 11 in mobile phone terminal by user
It opens, and then controls steering engine 17 and open the turnover panel 19 for leaning against outdoor side, so that outdoor air passes through turnover panel 19 from ventilation opening 15
After enter turbofan 16, pass sequentially through HEPA strainer 22 filter out airborne particulates, active carbon 23 absorption to air
It is purified, is finally embodied as indoor supplement fresh air, reduce indoor carbon dioxide concentration；Toxic gas sensor 2, temperature sensing
Device 3, humidity sensor 4 are ceiling mounted, and toxic gas sensor 2 is passed for detecting indoor concentration of toxic gases, temperature
The temperature information that sensor 3 is used to detect room temperature, and will test is sent to the processing of control circuit board 13, control circuit board 13
Data that treated are sent to user hand generator terminal through GPRS module 12 and show, when room temperature is lower than preset value, are existed by user
Mobile phone terminal remotely controls the opening of relay 11, opens heating net 14 and heats, and to increase room temperature, presets when room temperature is higher than
When value, relay 11 is remotely controlled in mobile phone terminal by user and is opened, then the opening of steering engine 17 is controlled by relay 11 and leans against outdoor one
The turnover panel 19 of side passes sequentially through HEPA filter so that outdoor air enters turbofan 16 from ventilation opening 15 after turnover panel 19
Net 22 filters out airborne particulates, the absorption of active carbon 23 purifies air, is finally embodied as indoor supplement fresh air,
To reduce room temperature, humidity sensor 4 is for detecting indoor humidity, and the humidity information that will test is sent to control circuit
The processing of plate 13, treated that data are sent to user hand generator terminal through GPRS module 12 shows for control circuit board 13, works as indoor humidity
When lower than preset value, relay 11 is remotely controlled in mobile phone terminal by user and is opened, then water fog generator 8 is opened by relay 11
It opens, increases indoor humidity, when indoor humidity is lower than preset value, remotely controls relay 11 in mobile phone terminal by user and open,
Water fog generator 8 is opened by relay 11 again to open, increases indoor humidity, so that outdoor air passes through turnover panel 19 from ventilation opening 15
After enter turbofan 16, pass sequentially through HEPA strainer 22 filter out airborne particulates, active carbon 23 absorption to air
It is purified, is finally embodied as indoor supplement fresh air, to reduce indoor humidity, Intelligent air purifier 5 is mounted on window, is used
It purifies in room air, and is communicated with user mobile phone foundation, the work of Intelligent air purifier 5 is controlled by mobile phone terminal
Make.
As shown in Fig. 2, the Intelligent air purifier 5 is net including plastic casing 6, shutter 7, water fog generator 8, air
9, gas-recycling plant 10, relay 11, GPRS module 12, control circuit board 13, heating net 14 are set in makeup, in 6 face of plastic casing
Shutter 7 is outputed on one side to indoor, as air stream port, water fog generator 8, air cleaning unit 9, gas-recycling plant
10, relay 11, GPRS module 12, control circuit board 13, heating net 14 are installed in plastic casing 6, in which: water mist occurs
Device 8 is for increasing indoor moisture, and air cleaning unit 9 is used to purify the air of a room and the outdoor air come in, gas circulation dress
Set 10 and exchanged with outdoor air for controlling room air, control circuit board 13 be used to receive and process carbon dioxide sensor 1,
The data that toxic gas sensor 2, temperature sensor 3, humidity sensor 4 detect, and controlling GPRS module 12 will be at these
The data managed are transferred to user mobile phone, and user is sent to GPRS module 12 by mobile phone terminal and instructed, and GPRS module 12 will receive
To instruction be sent to control circuit board 13, control circuit board 13 controls the folding of relay 11 to control water fog generator respectively
8, air cleaning unit 9, gas-recycling plant 10, heating net 14 work, and heating net 14 is for increasing room temperature.
As shown in figure 3, the gas-recycling plant 10 includes ventilation opening 15, turbofan 16, steering engine 17, connecting rod
18, turnover panel 19, the first spur gear 20, the second spur gear 21, output ventilation opening 15 outside 6 faced chamber of plastic casing on one side, as
The channel that outdoor is exchanged with room air, turbofan 16 are used to promote the circulation of air in plastic casing 6,19 company of being fixed on of turnover panel
On extension bar 18, for controlling the flow direction of air, to determine that air cleaning unit 9 purifies outdoor air or to room air
Purification, the second spur gear 21 are fixed in the rotary shaft of steering engine 17, and the first spur gear 20 is fixed in connecting rod 18, by steering engine
17 drive the second spur gears 21 rotation, the second spur gear 21 be the first spur gear 20 be driven, by the rotation of the first spur gear 20 Lai
It drives connecting rod 18 to rotate, and then turnover panel 19 is driven to rotate, spur gear is used between the first spur gear 20 and the second spur gear 21
The kind of drive is driven.
As shown in figure 4, the air cleaning unit 9 includes HEPA strainer 22, active carbon 23, anion generator 24,
HEPA strainer 22, active carbon 23, anion generator 24 are installed together, and HEPA strainer 22 is used to filter out the suspension in air
Particle, active carbon 23 achieve the effect that deodorization for the pollutants such as sorption chemical smog, bacterium, dirt particle and pollen, bear from
Electronic generator 24 generates a large amount of ion, forms ion stream, and then the gas filtration that will have particulate matter, reaches purification and cleaning
Purpose, in which: active carbon 23 is a kind of porous carbonaceous material, and flourishing gap structure makes it have very big surface
Product, so being easy to come into full contact with the toxic and harmful gas in air, the powerful absorption field of force can be stood around 23 hole of active carbon
It i.e. by toxic gas molecule inlet hole, and by 23 polymerization forming of active carbon is the block-like activity of honeycomb by pole charcoal heart filter core technology
Charcoal 23 is for 23 strainer of conventional activated carbon, its specific surface area is expanded to 2 times, and air contact area is expanded to 20 times,
Therefore filter core can efficiently adsorb most of pollutant in air；The advantages of HEPA strainer 22 is effective and safe, is removal
The main technology of particulate pollutant, can filter out airborne particulates in air, and the air of the HEPA strainer 22 used is net
Changing device has good gas-tight design, avoids air around filter screen and loses filter effect；Anion generator 24 generates directly
Negative high voltage is flowed, air is constantly ionized, a large amount of anions are generated, is sent out by turbofan 16, anion air-flow is formed, to inhale
A large amount of dust particles in attached air achieve the purpose that purify air.
The Intelligent air purifier 5 has interior circulation and two kinds of operating modes of outer circulation, drives turnover panel by steering engine 17
19 rotations convert the operating mode of interior circulation and outer circulation, when the turnover panel 19 in interior circulation pattern, by side indoors that works
It opens, so that room air is pumped into plastic casing 6 by turbofan 16, air cleaning unit 9 is filtered room air
Purification；When work is in outer circulation pattern, the turnover panel 19 for leaning against outdoor side is opened, and outdoor air passes through turnover panel from ventilation opening 15
Turbofan 16 is entered after 19, is passed sequentially through HEPA strainer 22 and is filtered out airborne particulates, the absorption air of active carbon 23
In the pollutants such as bacterium, dirt particle and pollen, anion generator 24 cross the particulate matter in air filtering, be finally embodied as room
Interior supplement fresh air.
The working principle of the utility model and the course of work are as follows:
When work is in interior circulation pattern, the turnover panel 19 by side indoors is opened, so that room air passes through turbine wind
Fan 16 be pumped into plastic casings 6 in, then pass sequentially through HEPA strainer 22 filter out airborne particulates, active carbon 23 adsorb air in
The pollutants such as bacterium, dirt particle and pollen, anion generator 24 cross the particulate matter in air filtering, room air is carried out
Filtration, purification；When work is in outer circulation pattern, the turnover panel 19 for leaning against outdoor side is opened, and outdoor air passes through from ventilation opening 15
Turbofan 16 is entered after turnover panel 19, is passed sequentially through HEPA strainer 22 and is filtered out airborne particulates, the absorption of active carbon 23
The pollutants such as bacterium, dirt particle and pollen in air, anion generator 24 cross the particulate matter in air filtering, final to realize
For indoor supplement fresh air.When carbon dioxide sensor 1 detects that indoor carbon dioxide concentration is higher than preset value, which is passed
It is defeated by the processing of control circuit board 13, it is aobvious that treated the data of control circuit board 13 through GPRS module 12 are sent to user hand generator terminal
Show, remotely control relay 11 in mobile phone terminal by user and open, and then controls steering engine 17 and open the turnover panel 19 for leaning against outdoor side,
So that outdoor air enters turbofan 16 from ventilation opening 15 after turnover panel 19, passes sequentially through HEPA strainer 22 and filter out air
In suspended particulates, the absorption of active carbon 23 air is purified, be finally embodied as indoor supplement fresh air, reduce indoor titanium dioxide
Concentration of carbon；Toxic gas sensor 2, temperature sensor 3, humidity sensor 4 are ceiling mounted, toxic gas sensor 2
For detecting indoor concentration of toxic gases, temperature sensor 3 is for detecting room temperature, and the temperature information hair that will test
Give the processing of control circuit board 13, it is aobvious that treated the data of control circuit board 13 through GPRS module 12 are sent to user hand generator terminal
Show, when room temperature is lower than preset value, remotely controls relay 11 in mobile phone terminal by user and open, opens heating net 14 and add
Heat, when room temperature is higher than preset value, remotely controls relay 11 in mobile phone terminal by user and opens to increase room temperature,
The turnover panel 19 that the opening of steering engine 17 leans against outdoor side is controlled by relay 11 again, so that outdoor air passes through turnover panel from ventilation opening 15
Turbofan 16 is entered after 19, is passed sequentially through HEPA strainer 22 and is filtered out airborne particulates, the absorption of active carbon 23 to sky
Gas is purified, and indoor supplement fresh air is finally embodied as, and to reduce room temperature, humidity sensor 4 is used to detect indoor humidity,
And the humidity information that will test is sent to the processing of control circuit board 13, treated the data of control circuit board 13 are through GPRS module
12, which are sent to user hand generator terminal, shows, when indoor humidity is lower than preset value, remotely controls relay 11 in mobile phone terminal by user
Open, then by relay 11 open water fog generator 8 open, increase indoor humidity, when indoor humidity be lower than preset value when, by with
Family remotely controls relay 11 in mobile phone terminal and opens, then opens water fog generator 8 by relay 11 and open, and increases indoor humidity,
So that outdoor air enters turbofan 16 from ventilation opening 15 after turnover panel 19, passes sequentially through HEPA strainer 22 and filter out air
In suspended particulates, the absorption of active carbon 23 air is purified, be finally embodied as indoor supplement fresh air, it is indoor wet to reduce
Degree, Intelligent air purifier 5 is mounted on window, is communicated for purifying to room air, and with user mobile phone foundation, by
Mobile phone terminal controls the work of Intelligent air purifier 5.
Claims (4)
1. a kind of window air purifier, it is characterised in that: passed including carbon dioxide sensor, toxic gas sensor, temperature
Sensor, humidity sensor, Intelligent air purifier, carbon dioxide sensor is mounted on indoor wall, for detecting interior
Gas concentration lwevel, toxic gas sensor, temperature sensor, humidity sensor are ceiling mounted, toxic gas sensing
Device is for detecting indoor concentration of toxic gases, and temperature sensor is for detecting room temperature, and humidity sensor is for detecting interior
Humidity, Intelligent air purifier are mounted on window, are communicated for purifying to room air, and with user mobile phone foundation,
The work of Intelligent air purifier is controlled by mobile phone terminal.
2. window air purifier according to claim 1, spy are: plastic casing, shutter, water fog generator, sky
Air purifying apparatus, gas-recycling plant, relay, GPRS module, control circuit board, heating net, in plastic casing towards indoor
Output shutter on one side, as air stream port, water fog generator, air cleaning unit, gas-recycling plant, relay,
GPRS module, control circuit board, heating net are installed in plastic casing, in which: water fog generator is empty for increasing indoor moisture
Air of the air purifying apparatus for purifying the air of a room and outdoor is come in, gas-recycling plant is for controlling room air and outdoor
Air exchange, control circuit board is for receiving and processing carbon dioxide sensor, toxic gas sensor, temperature sensor, wet
The data that degree sensor detects, and control the data that GPRS module handles these well and be transferred to user mobile phone, user passes through
Mobile phone terminal sends to GPRS module and instructs, and the instruction received is sent to control circuit board, control circuit board control by GPRS module
The folding of relay processed works to control water fog generator, air cleaning unit, gas-recycling plant, heating net respectively, heating
Net is for increasing room temperature.
3. window air purifier according to claim 1, spy are: gas-recycling plant includes ventilation opening, turbine
Fan, steering engine, connecting rod, turnover panel, the first spur gear, the second spur gear, output ventilation opening outside plastic casing faced chamber on one side,
As the channel that outdoor is exchanged with room air, turbofan is used to promote the circulation of air in plastic casing, and turnover panel is fixed on company
On extension bar, for controlling the flow direction of air, to determine that air cleaning unit purifies outdoor air or to indoor air cleaning
Change, the second spur gear is fixed in the rotary shaft of steering engine, and the first spur gear is fixed in connecting rod, drives the second straight-tooth by steering engine
Wheel rotation, the second spur gear are the first Spur Gear Driving, drive connecting rod to rotate by the rotation of the first spur gear, and then are driven
Turnover panel rotation.
4. window air purifier according to claim 1, spy are: the Intelligent air purifier has interior circulation
With two kinds of operating modes of outer circulation, turnover panel rotation is driven by steering engine, converts the operating mode of interior circulation and outer circulation, when work exists
When interior circulation pattern, the turnover panel by side indoors is opened, so that room air is pumped into plastic casing by turbofan, air
Purification device is filtered purification to room air；When work is in outer circulation pattern, the turnover panel for leaning against outdoor side is opened, room
Outer air enters turbofan from ventilation opening after turnover panel, pass sequentially through HEPA strainer filter out airborne particulates,
Bacterium, dirt particle and pollen contamination object, anion generator in activated carbon adsorption air cross the particulate matter in air filtering, most
It is embodied as indoor supplement fresh air eventually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820565950.2U CN208398250U (en) | 2018-04-20 | 2018-04-20 | A kind of window air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820565950.2U CN208398250U (en) | 2018-04-20 | 2018-04-20 | A kind of window air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208398250U true CN208398250U (en) | 2019-01-18 |
Family
ID=65063821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820565950.2U Expired - Fee Related CN208398250U (en) | 2018-04-20 | 2018-04-20 | A kind of window air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208398250U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899908A (en) * | 2019-04-22 | 2019-06-18 | 苏波 | A kind of intelligence inner-outer circulation solar air purification device |
| CN110243044A (en) * | 2019-06-14 | 2019-09-17 | 嘉兴技师学院 | A kind of fresh air system and method that Intelligent Indoor Air detection is adjusted |
| CN114729763A (en) * | 2019-12-04 | 2022-07-08 | 大金工业株式会社 | Air conditioning system |
-
2018
- 2018-04-20 CN CN201820565950.2U patent/CN208398250U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899908A (en) * | 2019-04-22 | 2019-06-18 | 苏波 | A kind of intelligence inner-outer circulation solar air purification device |
| CN110243044A (en) * | 2019-06-14 | 2019-09-17 | 嘉兴技师学院 | A kind of fresh air system and method that Intelligent Indoor Air detection is adjusted |
| CN114729763A (en) * | 2019-12-04 | 2022-07-08 | 大金工业株式会社 | Air conditioning system |
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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: 20190118 Termination date: 20200420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |