CN109028317B - Air purifying device capable of increasing air fragrance - Google Patents

Air purifying device capable of increasing air fragrance Download PDF

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Publication number
CN109028317B
CN109028317B CN201810567575.XA CN201810567575A CN109028317B CN 109028317 B CN109028317 B CN 109028317B CN 201810567575 A CN201810567575 A CN 201810567575A CN 109028317 B CN109028317 B CN 109028317B
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CN
China
Prior art keywords
cavity
filter
purification
air
device shell
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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
Application number
CN201810567575.XA
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Chinese (zh)
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CN109028317A (en
Inventor
王威言
其他发明人请求不公开姓名
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Wang Yongkai
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Individual
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Filing date
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Priority to CN201810567575.XA priority Critical patent/CN109028317B/en
Publication of CN109028317A publication Critical patent/CN109028317A/en
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Publication of CN109028317B publication Critical patent/CN109028317B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
    • F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/192—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by electrical means, e.g. by applying electrostatic fields or high voltages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/50—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by odorisation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90—Cleaning of purification apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Filtering Materials (AREA)

Abstract

The invention discloses an air purification device capable of increasing air fragrance, which comprises a device shell, wherein an air inlet channel and an air outlet channel are arranged on the device shell, at least two filter columns are arranged in the device shell, a purification cavity is also arranged in the device shell, a filter screen is adhered to the inner walls of the filter columns, a partition plate is arranged in the purification cavity, a driving rotating motor is arranged in the device shell, a driving fluted disc is arranged on a main shaft of the driving rotating motor, a transmission tooth socket is arranged on the side wall of each filter column, an activated carbon adsorption particle filling body is arranged in the purification adsorption cavity, a dedusting mesh layer, a peculiar smell removal adsorption layer and a PM2.5 adsorption layer are arranged in an aroma-increasing mixing cavity, an annular groove is arranged on the inner wall of the air inlet channel, an annular bulge extending into the annular groove is arranged on the side wall of each filter column. The invention has simple structure, convenient operation, good applicability and strong practicability, and greatly improves the use stability and the service life of the whole device.

Description

Air purifying device capable of increasing air fragrance
Technical Field
The invention belongs to the technical field of air purification devices, and particularly relates to an air purification device capable of increasing air fragrance.
Background
Along with the improvement of people's standard of living, air purification device uses more and more, in air purification device, often can need a plurality of in bank's chimney filter the air simultaneously in order to increase filter area, it though can improve air purification efficiency, but because long-time work, thereby can adsorb a large amount of filths on the filter screen and can influence the efficiency of purification and the stability of purification, and traditional art's air purification device is very difficult to change the filter screen, so need whole device to scrap after the filter screen damages, thereby cause the waste of great resource, suitability and practicality receive the restriction.
Disclosure of Invention
In order to solve the technical problems, the invention provides the air purifying device which has a simple structure, good use stability and strong applicability and can increase the air fragrance.
The technical scheme for realizing the aim of the invention is that the air purification device capable of increasing the air fragrance comprises a device shell, wherein an air inlet channel and an air outlet channel are arranged on the device shell, at least two filter columns are arranged in the device shell, a purification cavity is also arranged in the device shell, the tops of the side walls of the filter columns are communicated with the purification cavity through holes, a filter screen is attached to the inner wall of each filter column, a partition plate is arranged in each purification cavity, the bottom end of each partition plate is abutted against the top wall of each filter column, each purification cavity is divided into a purification adsorption cavity and a fragrance increasing mixing cavity through each partition plate, a driving rotating motor is arranged in the device shell, a driving fluted disc is arranged on a main shaft of the driving rotating motor, a transmission tooth groove communicated with the driving fluted disc is arranged on the side wall of each filter column, the filter columns rotate under the action of the driving fluted disc, and the through holes are movably communicated with the purification adsorption cavity or the fragrance, the top of the purification adsorption cavity and the top of the aroma-increasing mixing cavity are connected with an air outlet channel through a Y-shaped channel, an activated carbon adsorption particle filling body is arranged in the purification adsorption cavity, a dust removal net layer, an odor removal adsorption layer and a PM2.5 adsorption layer are arranged in the aroma-increasing mixing cavity, an annular groove is formed in the inner wall of the air inlet channel, an annular protrusion extending into the annular groove is formed in the side wall of the filter column, a connecting thread is arranged on the inner wall of the air inlet channel, and a sealing gasket layer is arranged between the side wall of the filter column and the inner wall of the air inlet channel.
The top of the filtering column is also provided with a filter cover, the filter cover is uniformly provided with air holes, and an ultraviolet germicidal lamp is arranged between the filter cover and the filtering column.
Still be equipped with the washing chamber in the device casing, be equipped with the slope passageway on the washing chamber, the bottom of filter screen inserts in the slope passageway and be in be equipped with the clamp plate on the roof in the filter column the clamp plate with be equipped with between the roof of filter column and support and press the cylinder, the top of filter screen supports and presses on the bottom surface of clamp plate, the bottom of filter screen is in get into the washing intracavity under the effect of clamp plate.
The filter column is characterized in that a vertical sliding groove is formed in the inner wall of the filter column, the side wall of the filter screen is movably arranged in the vertical sliding groove through a sliding block, and a return spring is arranged between the sliding block and the vertical sliding groove.
The cleaning device comprises a cleaning cavity, a cleaning nozzle, a drain outlet, a cleaning interface and a cleaning device, wherein the cleaning nozzle is arranged on the top wall of the cleaning cavity, the drain outlet is arranged on the bottom wall of the cleaning cavity, and the cleaning interface is communicated with the cleaning nozzle and arranged on a device shell.
The invention has the positive effects that: the air purifier has the advantages that the structure is simple, the operation is convenient, the air purification and sterilization treatment can be effectively and quickly realized, the air purification efficiency is greatly improved, and the filter screen is adopted in the filter column, so that the filter screen can be replaced or maintained from the air inlet according to the requirement, the integral use stability and the service life of the air purifier are greatly improved, and the air purifier is good in applicability and strong in practicability; and still be equipped with and wash the chamber, can wash the filter screen in real time to can guarantee the filtration stability of filter screen, can effectually reduce the frequency of changing the operation moreover, improve suitability and practicality greatly.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which:
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
(example 1)
Fig. 1 shows an embodiment of the present invention, wherein fig. 1 is a schematic structural diagram of the present invention.
See fig. 1, an air purifying device capable of increasing air fragrance comprises a device shell 1, wherein an air inlet channel 2 and an air outlet channel 3 are arranged on the device shell 1, at least two filter columns 4 are arranged in the device shell 1, a purifying cavity 5 is further arranged in the device shell 1, the top of the side wall of each filter column 4 is communicated with the purifying cavity 5 through a through hole 6, a filter screen 7 is attached to the inner wall of each filter column 4, a partition plate 8 is arranged in each purifying cavity 5, the bottom end of each partition plate 8 is abutted to the top wall of each filter column 4, each purifying cavity 5 is divided into a purifying adsorption cavity 9 and a fragrance-increasing mixing cavity 10 by the partition plate 8, a driving rotating motor 11 is arranged in the device shell 1, a driving fluted disc 12 is arranged on the main shaft of the driving rotating motor 11, and a driving tooth groove 13 communicated with the driving fluted disc 12 is arranged on the side wall of each filter column 4, the filter column 4 rotates under the action of the driving fluted disc 12, the through hole 6 is movably communicated with the purification adsorption cavity 9 or the aroma-increasing mixing cavity 10, the purification adsorption cavity 9 and the top of the aroma-increasing mixing cavity 10 are connected with the air outlet channel 3 through a Y-shaped channel 33, an activated carbon adsorption particle filling body 34 is arranged in the purification adsorption cavity 9, a dust removal net layer 35, an odor removal adsorption layer 14 and a PM2.5 adsorption layer 15 are arranged in the aroma-increasing mixing cavity 10, an annular groove 16 is arranged on the inner wall of the air inlet channel 2, an annular protrusion 17 extending into the annular groove 16 is arranged on the side wall of the filter column 4, a connecting thread 18 is arranged on the inner wall of the air inlet channel 2, and a sealing gasket layer 19 is arranged between the side wall of the filter column 4 and the inner wall of the air inlet channel 2.
The top of the filtering column 4 is also provided with a filter cover 20, the filter cover 20 is uniformly provided with air holes 21, and an ultraviolet germicidal lamp 22 is arranged between the filter cover 20 and the filtering column 4.
Still be equipped with in the device casing 1 and wash chamber 23, be equipped with slope passageway 24 on the washing chamber 23, insert the bottom of filter screen 7 in the slope passageway 24 and be in be equipped with clamp plate 25 on the roof in the filter column 4 clamp plate 25 with be equipped with between the roof of filter column 4 and support and press cylinder 26, the top of filter screen 7 supports and presses on the bottom surface of clamp plate 25, the bottom of filter screen 7 is in get into under the effect of clamp plate 25 in the washing chamber 23.
The inner wall of the filter column 4 is provided with a vertical sliding groove 27, the side wall of the filter screen 7 is movably arranged in the vertical sliding groove 27 through a sliding block 28, and a return spring 29 is arranged between the sliding block 28 and the vertical sliding groove 27.
The top wall of the cleaning cavity is provided with a cleaning nozzle 30, the bottom wall of the cleaning cavity is provided with a sewage discharge outlet 31, and the device shell is provided with a cleaning interface 32 communicated with the cleaning nozzle.
The air purifier has the advantages that the structure is simple, the operation is convenient, the air purification and sterilization treatment can be effectively and quickly realized, the air purification efficiency is greatly improved, and the filter screen is adopted in the filter column, so that the filter screen can be replaced or maintained from the air inlet according to the requirement, the integral use stability and the service life of the air purifier are greatly improved, and the air purifier is good in applicability and strong in practicability; and still be equipped with and wash the chamber, can wash the filter screen in real time to can guarantee the filtration stability of filter screen, can effectually reduce the frequency of changing the operation moreover, improve suitability and practicality greatly.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.

Claims (1)

1. The utility model provides an air purification device that can increase air fragrance, includes the device casing be equipped with inlet channel and outlet channel on the device casing, its characterized in that: the device comprises a device shell, and is characterized in that at least two filter columns are arranged in the device shell, a purification cavity is further arranged in the device shell, the tops of the side walls of the filter columns are communicated with the purification cavity through holes, filter screens are attached to the inner walls of the filter columns, a partition plate is arranged in the purification cavity, the bottom end of the partition plate is abutted to the top wall of the filter columns, the purification cavity is divided into a purification adsorption cavity and an aroma-increasing mixing cavity by the partition plate, a driving rotating motor is arranged in the device shell, a driving fluted disc is arranged on a main shaft of the driving rotating motor, and a transmission tooth socket communicated with the driving fluted disc is arranged on the side walls of the filter columns;
the filter column rotates under the action of the driving fluted disc, the through hole is movably communicated with a purification adsorption cavity or an aroma-increasing mixing cavity, the top of the purification adsorption cavity is connected with the top of the aroma-increasing mixing cavity through a Y-shaped channel, an activated carbon adsorption particle filling body is arranged in the purification adsorption cavity, a dust removal net layer, an odor removal adsorption layer and a PM2.5 adsorption layer are arranged in the aroma-increasing mixing cavity, an annular groove is formed in the inner wall of the air inlet channel, an annular bulge extending into the annular groove is formed in the side wall of the filter column, connecting threads are formed in the inner wall of the air inlet channel, and a sealing gasket layer is arranged between the side wall of the filter column and the inner wall of the air inlet channel;
the filter column is characterized in that a vertical sliding groove is formed in the inner wall of the filter column, the side wall of the filter screen is movably arranged in the vertical sliding groove through a sliding block, and a return spring is arranged between the sliding block and the vertical sliding groove.
CN201810567575.XA 2016-04-03 2016-04-03 Air purifying device capable of increasing air fragrance Expired - Fee Related CN109028317B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810567575.XA CN109028317B (en) 2016-04-03 2016-04-03 Air purifying device capable of increasing air fragrance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810567575.XA CN109028317B (en) 2016-04-03 2016-04-03 Air purifying device capable of increasing air fragrance
CN201610204844.7A CN105841260B (en) 2016-04-03 2016-04-03 The air cleaning unit of air fragrance can be increased

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201610204844.7A Division CN105841260B (en) 2016-04-03 2016-04-03 The air cleaning unit of air fragrance can be increased

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Publication Number Publication Date
CN109028317A CN109028317A (en) 2018-12-18
CN109028317B true CN109028317B (en) 2020-12-18

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Application Number Title Priority Date Filing Date
CN201610204844.7A Expired - Fee Related CN105841260B (en) 2016-04-03 2016-04-03 The air cleaning unit of air fragrance can be increased
CN201810567575.XA Expired - Fee Related CN109028317B (en) 2016-04-03 2016-04-03 Air purifying device capable of increasing air fragrance
CN201810567580.0A Active CN108758894B (en) 2016-04-03 2016-04-03 Air purifying device capable of increasing air fragrance

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CN201610204844.7A Expired - Fee Related CN105841260B (en) 2016-04-03 2016-04-03 The air cleaning unit of air fragrance can be increased

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Application Number Title Priority Date Filing Date
CN201810567580.0A Active CN108758894B (en) 2016-04-03 2016-04-03 Air purifying device capable of increasing air fragrance

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108469060B (en) * 2018-02-11 2020-07-28 张子欣 Air purifier and purification method
CN112741704B (en) * 2020-12-29 2022-06-24 江苏容正医药科技有限公司 Plasma jet device for cleaning and/or whitening teeth

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04241870A (en) * 1991-01-09 1992-08-28 Daikin Ind Ltd Perfume device
CN2126393U (en) * 1992-07-03 1992-12-30 李鹏 Air purifier
JP2008025702A (en) * 2006-07-20 2008-02-07 Nippon Roll Seizo Kk Water passage switching device
CN104344467A (en) * 2013-08-09 2015-02-11 首尔伟傲世有限公司 Air purifying apparatus having shuntable air duct
CN104815513A (en) * 2015-05-27 2015-08-05 王杨 Household air purifying device
CN104848429A (en) * 2015-05-23 2015-08-19 王杨 Indoor air purifying equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2211033Y (en) * 1994-05-30 1995-10-25 刘慧明 Machine for making air clean and fragrant
CN2242412Y (en) * 1995-05-16 1996-12-11 华东交通大学四星电子报警器厂 Device for air purification
CN1727045A (en) * 2004-07-29 2006-02-01 乐金电子(天津)电器有限公司 Air cleaner
JP2007101114A (en) * 2005-10-06 2007-04-19 Matsushita Electric Ind Co Ltd Dust suction device for air conditioner

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04241870A (en) * 1991-01-09 1992-08-28 Daikin Ind Ltd Perfume device
CN2126393U (en) * 1992-07-03 1992-12-30 李鹏 Air purifier
JP2008025702A (en) * 2006-07-20 2008-02-07 Nippon Roll Seizo Kk Water passage switching device
CN104344467A (en) * 2013-08-09 2015-02-11 首尔伟傲世有限公司 Air purifying apparatus having shuntable air duct
CN104848429A (en) * 2015-05-23 2015-08-19 王杨 Indoor air purifying equipment
CN104815513A (en) * 2015-05-27 2015-08-05 王杨 Household air purifying device

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Publication number Publication date
CN105841260A (en) 2016-08-10
CN108758894A (en) 2018-11-06
CN105841260B (en) 2018-07-17
CN108758894B (en) 2020-12-22
CN109028317A (en) 2018-12-18

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