CN110451675A - A kind of Intelligent water-saving type purified water machine - Google Patents

A kind of Intelligent water-saving type purified water machine Download PDF

Info

Publication number
CN110451675A
CN110451675A CN201910883960.XA CN201910883960A CN110451675A CN 110451675 A CN110451675 A CN 110451675A CN 201910883960 A CN201910883960 A CN 201910883960A CN 110451675 A CN110451675 A CN 110451675A
Authority
CN
China
Prior art keywords
water
filter device
level
intelligent
inlet
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.)
Withdrawn
Application number
CN201910883960.XA
Other languages
Chinese (zh)
Inventor
孟繁明
郭庆贺
鲁思军
李金穗
赵大亮
黄振旺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING KETAIXINGDA HI-TECH Co Ltd
Original Assignee
BEIJING KETAIXINGDA HI-TECH Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEIJING KETAIXINGDA HI-TECH Co Ltd filed Critical BEIJING KETAIXINGDA HI-TECH Co Ltd
Priority to CN201910883960.XA priority Critical patent/CN110451675A/en
Publication of CN110451675A publication Critical patent/CN110451675A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/12Halogens or halogen-containing compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • C02F2101/163Nitrates
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds
    • C02F2101/203Iron or iron compound
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/306Pesticides
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/10Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/40Liquid flow rate
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/44Time
    • C02F2209/445Filter life
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

Abstract

A kind of Intelligent water-saving type purified water machine collects water purification, water-saving and intelligent Yu Yiji, the drink water purifying suitable for family or enterprises and institutions, organ.Present invention process is simple, and purification efficiency is high, can effectively remove the pollutants such as silt particle, iron rust, colloid, chlorine residue, pesticide, organic matter and scale, heavy metal, nitrate by Pyatyi filtering, water quality can satisfy people and directly drink;By water saving fixtures, the concentrated water of reverse osmosis membrane does not discharge waste, but is preferentially used for domestic water;By intelligent control center device, user grasps the situation of Intelligent water-saving type purified water machine whenever and wherever possible.

Description

A kind of Intelligent water-saving type purified water machine
Technical field
The present invention relates to a kind of water purifiers, more particularly, are related to a kind of Intelligent water-saving type purified water machine, belong to water process Technical field.
Background technique
Water purifier is a kind of equipment for carrying out deep purifying processing to water quality using multi-stage filter, former according to different purifications Reason and technique, can be divided into many types class, such as ultrafiltration, micro-filtration, reverse osmosis, ion exchange, activated carbon adsorption, filtering accuracy There is very big difference, wherein reverse osmosis water purifier is the highest one kind of filtering accuracy, commonly referred to as purified water machine.Due to reverse osmosis The aperture of film is only 0.1 ran, only a hydrone is allowed to pass through, can effectively filter out iron rust in water, silt particle, colloid and The chemical agents such as chlorine residue, pesticide in water are adsorbed, the pollutants such as bacterium, virus, toxin and heavy metal can also be effectively removed, because This, reverse osmosis pure water dispenser receives the popular welcome of people.
However, during purified water, can be generated a large amount of due to the special cleaning principle of reverse osmosis membrane and requirement Salinity it is higher " concentrated water ", the ratio of concentrated water and water purification is up to 3:1, even higher, that is to say, that has 70% or more water (dense As water) all fallen by direct emission, cause the significant wastage of water resource.
With the development of intellectualization times, prefer to whether to be in using the user of reverse osmosis pure water dispenser or outside Face can be clearly seen the case where oneself purified water machine from mobile phone, oneself water quality situation, purified water quality be it is bad, Machine whether normal operation, whether need replacing filter core.
Summary of the invention
Present invention aim to address the problems of the prior art: conventional reverse osmosis purified water machine is wasted water, and is met existing The needs of generationization Intelligent life.
A kind of Intelligent water-saving type purified water machine of the invention, by the water saving fixtures of piping connection, first order filter device, Second level filter device, third level filter device, booster pump, fourth stage filter device, level V filter device and pressure pot, the The pipeline that first level filtering device is connect with second level filter device be equipped with low tension switch and water inlet TDS detect table, booster pump and Inlet water solenoid valve is equipped between fourth stage filter device, first order filter device is provided with first order filter core, second level filtering dress It sets and is provided with second level filter core, third level filter device is provided with third level filter core, and fourth stage filter device is provided with reverse osmosis Membrane filter, level V filter device are provided with level V filter core, what the concentrated water spout of fourth stage filter device was connect with water saving fixtures Pipeline is equipped with scouring electromagnetic valve, and the water purification mouth of fourth stage filter device is connected with the water inlet end of high-voltage switch gear by pipeline first It connects, the water outlet of high-voltage switch gear is divided into two-way, connect all the way with the inlet valve of pressure pot, another way and level V filter device Water inlet is connected, and the pipeline that the water outlet of level V filter device is connected with pure tap is equipped with flowmeter and pure Water detects table, low tension switch, water inlet detection table, booster pump, inlet water solenoid valve, scouring electromagnetic valve, high-voltage switch gear, flowmeter, pure Water purification TDS detection table is connect by electric wire with intelligent control center device.Water saving fixtures set there are two water inlet and two water outlet Mouthful, a water inlet of water saving fixtures is connected with the total water inlet of Intelligent water-saving type purified water machine, water saving fixtures another into The mouth of a river is connected with the concentrated water spout of fourth stage filter device, and a water outlet of water saving fixtures is connected with first order filter device, section Another water outlet of water installations is connected with the tap of domestic water.Intelligent water-saving type purified water machine of the present invention, including one Total water inlet obtains two kinds of production water after the processing of Intelligent water-saving type purified water machine, and a kind of production water is flowed out from pure tap, separately A kind of production water is flowed out from the tap of domestic water.
The working principle of Intelligent water-saving type purified water machine of the present invention: first order filter device, second level filter device, third Grade filter device is pretreatment, and built-in different filter core can filter off the dirts such as removing rust, silt particle, colloid using PP cotton filter element Object is contaminated, uses active carbon filter core can be with Adsorption chlorine residue, pesticide, peculiar smell, organic pollutant etc..Fourth stage filter device is built-in There is reverse osmosis membrane filter element, the pollutants such as scale removal, heavy metal, nitrate can be removed.It is living that level V filter device is provided with postposition Property filtration core can improve mouthfeel.Intelligent water-saving type purified water machine of the invention includes water saving fixtures, and water saving fixtures can store The concentrated water of fourth stage filter device is preferentially used for domestic water, when the faucet of domestic water when the faucet of domestic water is opened When closing, concentrated water enters first order filter device again and carries out circular treatment.
The invention has the advantages that being gone by the water purified step by step of the filter cores such as PP cotton, active carbon, reverse osmosis membrane In addition to the pollutants such as silt particle, iron rust, colloid, chlorine residue, pesticide, organic matter also remove the pollution such as scale, heavy metal, nitrate Object, water quality can satisfy people and directly drinks;Equipped with water saving fixtures, the concentrated water of reverse osmosis membrane does not discharge waste, but preferential For domestic water;Equipped with intelligent control center device and water inlet TDS detection table, high-voltage switch gear, flowmeter, pure water TDS inspection Survey table etc., can when pressure pot water is full autostop, user observed whenever and wherever possible into water and produced from mobile phone water water quality, Filter core runing time, if the information such as need repairing, and grasps the situation of Intelligent water-saving type purified water machine.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
With reference to embodiments and the present invention is described in detail in attached drawing.
The Intelligent water-saving type purified water machine of the present embodiment includes: to filter dress by the water saving fixtures 2 of piping connection, the first order Set 3, second level filter device 6, third level filter device 7, booster pump 8, fourth stage filter device 10, level V filter device 16 With pressure pot 12, the pipeline that the first order filter device 3 is connect with second level filter device 6 be equipped with low tension switch 4 and into Water TDS detects table 5, and inlet water solenoid valve 9, first order filter device 3 are equipped between the booster pump 8 and fourth stage filter device 10 It is provided with pp cotton first order filter core, second level filter device 6 is provided with granular activated carbon second level filter core, third level filter device 7 are provided with extruded activated carbon third level filter core, and fourth stage filter device 10 is provided with reverse osmosis membrane filter element, level V filter device 16 are provided with post active carbon level V filter core, on the pipeline that the concentrated water spout of fourth stage filter device 10 is connect with water saving fixtures 2 Equipped with scouring electromagnetic valve 11, the water purification mouth of fourth stage filter device 10 is connected with the water inlet end of high-voltage switch gear 14 by pipeline first It connects, the water outlet of high-voltage switch gear 14 is divided into two-way, connect all the way with the inlet valve of pressure pot 13, and another way and level V filtering fill It sets 16 water inlet to be connected, the pipeline that the water outlet of level V filter device 16 is connected with pure tap 19 is equipped with stream Meter 17 and pure water TDS detect table 18, the low tension switch 4, water inlet TDS detection table 5, booster pump 8, inlet water solenoid valve 9, punching It washes solenoid valve 11, high-voltage switch gear 14, flowmeter 17, pure water TDS detection table 18 and passes through electric wire and intelligent control center device 15 Connection.Water saving fixtures 2 are set there are two water inlet and two water outlets, and a water inlet and Intelligent water-saving type for water saving fixtures 2 is pure The total water inlet 1 of water purifier is connected, another water inlet of water saving fixtures 2 is connected with the concentrated water spout of fourth stage filter device 10, One water outlet of water saving fixtures 2 is connected with first order filter device 3, another water outlet and domestic water of water saving fixtures 2 Tap 20 be connected.The present embodiment Intelligent water-saving type purified water machine, including a total water inlet 1 are pure by Intelligent water-saving type Two kinds of productions water are obtained after water purifier processing, and a kind of productions water is flowed out from pure tap 19, another production water of the water from domestic water Faucet 20 flows out.
The working principle of the present embodiment Intelligent water-saving type purified water machine: first order filter device, second level filter device, Three-level filter device is pretreatment, and first order filter device is provided with PP cotton filter element, can filter off removing rust, silt particle, colloid Equal pollutants;Granular activated carbon filter core and extruded activated carbon filter are respectively provided in second level filter device and third level filter device Core, can be with Adsorption chlorine residue, pesticide, peculiar smell, organic pollutant etc.;Fourth stage filter device is provided with reverse osmosis membrane filter element, It can remove the pollutants such as scale removal, heavy metal, nitrate;Level V filter device, which is provided with post active carbon filter core, to be improved Mouthfeel.The Intelligent water-saving type purified water machine of the present embodiment includes water saving fixtures, and water saving fixtures can store fourth stage filter device Concentrated water, when domestic water faucet open when, be preferentially used for domestic water, when domestic water faucet close when, concentrated water is again Circular treatment is carried out into first order filter device.
The invention has the advantages that being gone by the water purified step by step of the filter cores such as PP cotton, active carbon, reverse osmosis membrane In addition to the pollutants such as silt particle, iron rust, colloid, chlorine residue, pesticide, organic matter also remove the pollution such as scale, heavy metal, nitrate Object, water quality can satisfy people and directly drinks;Equipped with water saving fixtures, the concentrated water of reverse osmosis membrane does not discharge waste, but preferential For domestic water;Equipped with intelligent control center device and water inlet TDS detection table, high-voltage switch gear, flowmeter, pure water TDS inspection Survey table etc., can when pressure pot water is full autostop, user observed whenever and wherever possible into water and produced from mobile phone water water quality, Filter core runing time, if the information such as need repairing, and grasps the situation of Intelligent water-saving type purified water machine.
Intelligent water-saving type purified water machine of the present invention collects water purification, water-saving and intelligent Yu Yiji, can be used for family or enterprise, organ The drink water purifying of public institution.

Claims (4)

1. a kind of Intelligent water-saving type purified water machine, characterized by comprising: pass through the water saving fixtures (2) of piping connection, the first order Filter device (3), second level filter device (6), third level filter device (7), booster pump (8), fourth stage filter device (10), Level V filter device (16) and pressure pot (12), what the first order filter device (3) connect with second level filter device (6) Pipeline is equipped with low tension switch (4) and water inlet TDS detection table (5), between the booster pump (8) and fourth stage filter device (10) Equipped with inlet water solenoid valve (9), the fourth stage filter device (10) is provided with reverse osmosis membrane filter element, the fourth stage filter device (10) pipeline that concentrated water spout is connect with water saving fixtures (2) is equipped with scouring electromagnetic valve (11), the fourth stage filter device (10) for water purification mouth first with the water inlet end of high-voltage switch gear (14) by piping connection, the water outlet of high-voltage switch gear (14) is divided into two Road is connect with the inlet valve of pressure pot (13) all the way, and another way is connected with the water inlet of level V filter device (16), described The pipeline that the water outlet of level V filter device (16) is connected with pure tap (19) is equipped with flowmeter (17) and pure Water TDS detects table (18), and the low tension switch (4), booster pump (8), inlet water solenoid valve (9), is rinsed at water inlet TDS detection table (5) Solenoid valve (11), high-voltage switch gear (14), flowmeter (17), pure water TDS detection table (18) pass through electric wire and intelligent control center Device (15) connection.
2. a kind of Intelligent water-saving type purified water machine according to claim 1, which is characterized in that the water saving fixtures (2) set There are two water inlet and two water outlets, total water inlets of the water inlet and Intelligent water-saving type purified water machine of water saving fixtures (2) Mouth (1) is connected, another water inlet of water saving fixtures (2) is connected with the concentrated water spout of fourth stage filter device (10), water saving fixtures (2) a water outlet is connected with first order filter device (3), another water outlets of water saving fixtures (2) and domestic water Tap (20) is connected.
3. a kind of Intelligent water-saving type purified water machine according to claim 1, it is characterised in that including a total water inlet (1), two kinds of productions water are obtained after the processing of Intelligent water-saving type purified water machine, a kind of production water is from pure tap (19) outflow, separately A kind of production water is flowed out from the tap (20) of domestic water.
4. a kind of Intelligent water-saving type purified water machine according to claim 1, it is characterised in that the first order filter device (3) it is provided with first order filter core, the second level filter device (6) is provided with second level filter core, the third level filter device (7) it is provided with third level filter core, the level V filter device (16) is provided with level V filter core.
CN201910883960.XA 2019-09-19 2019-09-19 A kind of Intelligent water-saving type purified water machine Withdrawn CN110451675A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910883960.XA CN110451675A (en) 2019-09-19 2019-09-19 A kind of Intelligent water-saving type purified water machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910883960.XA CN110451675A (en) 2019-09-19 2019-09-19 A kind of Intelligent water-saving type purified water machine

Publications (1)

Publication Number Publication Date
CN110451675A true CN110451675A (en) 2019-11-15

Family

ID=68492434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910883960.XA Withdrawn CN110451675A (en) 2019-09-19 2019-09-19 A kind of Intelligent water-saving type purified water machine

Country Status (1)

Country Link
CN (1) CN110451675A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200977449Y (en) * 2006-08-03 2007-11-21 天津世韩有限公司 Water saving water purifier
CN204569586U (en) * 2015-04-14 2015-08-19 江西书源科技有限公司 A kind of intelligent pure water back flushing and backpressure regulation water-saving type reverse osmosis water purifier
CN205528040U (en) * 2016-01-25 2016-08-31 日出东方太阳能股份有限公司 Water -saving type reverse osmosis water purifier
CN106495345A (en) * 2016-11-15 2017-03-15 内蒙古科泰隆达环保科技有限公司 A kind of water-saving type water purifier
CN107758948A (en) * 2017-09-08 2018-03-06 南京新高科技有限公司 Intelligent water cleaning systems and its method
WO2018196455A1 (en) * 2017-04-27 2018-11-01 佛山市顺德区美的饮水机制造有限公司 Water purification system
CN211078641U (en) * 2019-09-19 2020-07-24 北京科泰兴达高新技术有限公司 Intelligent water-saving water purifier

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN200977449Y (en) * 2006-08-03 2007-11-21 天津世韩有限公司 Water saving water purifier
CN204569586U (en) * 2015-04-14 2015-08-19 江西书源科技有限公司 A kind of intelligent pure water back flushing and backpressure regulation water-saving type reverse osmosis water purifier
CN205528040U (en) * 2016-01-25 2016-08-31 日出东方太阳能股份有限公司 Water -saving type reverse osmosis water purifier
CN106495345A (en) * 2016-11-15 2017-03-15 内蒙古科泰隆达环保科技有限公司 A kind of water-saving type water purifier
WO2018196455A1 (en) * 2017-04-27 2018-11-01 佛山市顺德区美的饮水机制造有限公司 Water purification system
CN107758948A (en) * 2017-09-08 2018-03-06 南京新高科技有限公司 Intelligent water cleaning systems and its method
CN211078641U (en) * 2019-09-19 2020-07-24 北京科泰兴达高新技术有限公司 Intelligent water-saving water purifier

Similar Documents

Publication Publication Date Title
CN203781935U (en) Strong-pulse micro-wastewater discharge water purification system
WO2015131422A1 (en) Intense pulsation micro wastewater discharge water purification system
CN202881005U (en) Water purifying filter core
CN105668706A (en) Automatic front and back washing ultrafiltration reverse osmosis water purification system provided with water storage diaphragm pressure tank
CN104828908A (en) Automatic forward-backward flushing membrane filtering water-cleaning system
CN201330205Y (en) Water-saving type water purifier
CN102583806A (en) No-wastewater-discharge domestic pure water machine
CN109336269A (en) A kind of outlet system and water purifier with double effluent functions
CN210528597U (en) Intelligent wastewater recycling water purifier
CN211078641U (en) Intelligent water-saving water purifier
CN205241440U (en) Little waste water purifier
CN203653349U (en) Domestic RO (Reverse Osmosis) membrane backwashing water purification machine
CN110451675A (en) A kind of Intelligent water-saving type purified water machine
CN203807259U (en) Ultrafiltration and reverse osmosis (RO) integrated machine
CN206089125U (en) Reverse osmosis water purifier of mouth is washed in area
CN104743703A (en) Unpowered emergency water purifier applicable to earthquake stricken areas
CN206666239U (en) A kind of water purifier system
CN105347407A (en) Water purifier with intelligent alarm function of changing filter element
CN210656213U (en) Water purification system and water purification unit
CN208532323U (en) A kind of household water filter with Membrane cleaning function
CN208485690U (en) A kind of central water purifier with Membrane cleaning device
CN109553204A (en) A kind of reverse osmosis water purification machine processing system
CN204454666U (en) A kind of new water purifier
CN207498149U (en) Circulating Wastewater-free water purifier
CN208747773U (en) A kind of water-saving type water purifier

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20191115

WW01 Invention patent application withdrawn after publication