CN111389108A - Multifunctional air purification device and method - Google Patents
Multifunctional air purification device and method Download PDFInfo
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- CN111389108A CN111389108A CN202010209943.0A CN202010209943A CN111389108A CN 111389108 A CN111389108 A CN 111389108A CN 202010209943 A CN202010209943 A CN 202010209943A CN 111389108 A CN111389108 A CN 111389108A
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- clamping piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a multifunctional air purification device. Multi-functional air purification device includes tube-shape shell, fan, filter screen and clearance subassembly, be formed with the filtration space of tube-shape in the tube-shape shell, a plurality of air intakes have been seted up on the lateral wall of tube-shape shell, the fan set up in filtration space's top is fixed in on the tube-shape shell, the filter screen is cylindric, the filter screen set up in the filtration space and the parcel the fan, the clearance subassembly includes spiral brush and driving piece. The cleaning of the filter screen of the multifunctional air purifying device is easy. The invention also provides an air purification method.
Description
Technical Field
The invention relates to a multifunctional air purification device and a method.
Background
In recent years, the development speed of the Chinese industry is gradually increased, so that some polluted waste gas is generated and discharged, and the air pollution in China is serious, such as haze in some current big cities. And in order to avoid the influence of haze to people's life, people can adopt some air purifier's dust to in the air to filter now. However, the filtered dust is easily accumulated on the filter screen, so that the filter screen is not easy to clean.
Disclosure of Invention
Accordingly, there is a need for a multifunctional air cleaning device and method that can easily clean dust.
The utility model provides a multi-functional air purification device, includes tube-shape shell, fan, filter screen and clearance subassembly, be formed with the filtration space of tube-shape in the tube-shape shell, a plurality of air intakes have been seted up on the lateral wall of tube-shape shell, the fan set up in the top in filtration space is fixed in on the tube-shape shell, the filter screen is cylindric, the filter screen set up in the filtration space and the parcel the fan, the clearance subassembly includes spiral brush and driving piece, spiral brush set up in the filtration space and the cover is located on the filter screen, the driving piece install in the top of tube-shape shell and with spiral brush connects, is used for the drive spiral brush is rotatory.
In one embodiment, the cylindrical shell includes a bottom wall, a circumferential side wall, and a top wall, the bottom wall and the top wall being mounted to opposite ends of the circumferential side wall, respectively.
In one embodiment, the plurality of air inlets are formed in the circumferential side wall, and the plurality of air inlets are all circular openings.
In one embodiment, the fan and the driving member are both mounted on the top wall, the fan is an exhaust fan, and the driving member is a motor.
In one embodiment, a touch panel is disposed on the top wall, the exhaust fan and the motor are both electrically connected to the touch panel, and a touch area and a display area are formed on the touch panel.
In one embodiment, the top wall is further provided with a temperature sensor and a humidity sensor, and the display area on the touch panel is used for displaying air quality, temperature and humidity.
In one embodiment, the bottom wall is a flexible bottom wall, dust collecting holes are formed in the flexible bottom wall, a collecting disc is detachably arranged on the bottom wall, and the dust collecting holes are aligned with the collecting disc.
In one embodiment, a collecting space is formed in the collecting disc, and a sliding surface is formed on the inner side of the collecting space, and the sliding surface is a plane.
An air purification method adopting the multifunctional air purification device comprises the following steps:
starting the fan to draw air, forcing outside air to enter the filtering space and penetrate through the filter screen, and accumulating dust in the air on the surface of the filter screen;
the display area of the touch panel displays air quality, temperature and humidity; and
the driving piece is intermittently started to drive the spiral brush to rotate, and the spiral brush scrapes off dust on the filter screen so that the dust falls into the collecting space of the collecting disc.
In one embodiment, the dust collecting hole is located at the center of the flexible bottom wall, and the diameter of the dust collecting hole is larger than that of the air inlet.
When the multifunctional air purification device is used, the fan is started to drive air to enter the filtering space from the plurality of air inlets, the air is filtered by the filter screen, and the air after the filter is discharged from the top of the cylindrical shell. When the filter screen is full of dust, the driving piece is started to drive the spiral hairbrush to rotate, so that the dust on the filter screen can be scraped, the dust drops, and the dust cleaning operation of the multifunctional air purification device is easy.
Drawings
Fig. 1 is a schematic perspective view of a multifunctional air purifying device according to an embodiment.
Fig. 2 is a perspective view of a filter screen and a cleaning assembly according to an embodiment.
Fig. 3 is a perspective exploded view of the bottom of the cartridge and collection disk.
FIG. 4 is an exploded perspective view of the bottom of the cartridge housing and collection disk of FIG. 3 from another perspective, with the bottom plate of the collection disk removed.
Fig. 5 is a partially enlarged view of a portion a in fig. 3.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention relates to a multifunctional air purification device. For example, the multifunctional air purification device comprises a cylindrical shell, a fan, a filter screen and a cleaning assembly. For example, a cylindrical filtering space is formed in the cylindrical shell, a plurality of air inlets are formed in the side wall of the cylindrical shell, and the fan is arranged at the top of the filtering space and fixed on the cylindrical shell. For example, the filter screen is cylindric, the filter screen set up in the filtration space and wrap up the fan, the clearance subassembly includes spiral brush and driving piece, spiral brush set up in the filtration space and the cover is located on the filter screen. For example, the driving member is mounted on the top of the cylindrical shell and connected with the spiral brush for driving the spiral brush to rotate.
Referring to fig. 1 and 2, a multifunctional air purifying device 100 includes a cylindrical shell 10, a blower 20, a filter screen 30 and a cleaning assembly 40, wherein a cylindrical filtering space 11 is formed in the cylindrical shell, a plurality of air inlets 12 are formed in a side wall of the cylindrical shell, the blower is disposed at a top of the filtering space and fixed on the cylindrical shell, the filter screen is cylindrical, the filter screen is disposed in the filtering space and surrounds the blower, the cleaning assembly includes a spiral brush 42 and a driving member 41, the spiral brush is disposed in the filtering space and sleeved on the filter screen, and the driving member is mounted at the top of the cylindrical shell and connected with the spiral brush for driving the spiral brush to rotate.
When the multifunctional air purification device is used, the fan is started to drive air to enter the filtering space from the plurality of air inlets, the air is filtered by the filter screen, and the air after the filter is discharged from the top of the cylindrical shell. When the filter screen is full of dust, the driving piece is started to drive the spiral hairbrush to rotate, so that the dust on the filter screen can be scraped, the dust drops, and the dust cleaning operation of the multifunctional air purification device is easy.
For example, to facilitate the display of air quality, the cylindrical shell includes a bottom wall 13, a circumferential side wall 14, and a top wall 15, which are mounted at opposite ends of the circumferential side wall, respectively. The plurality of air inlets are arranged on the circumferential side wall, and are all round openings. The fan reaches the driving piece all install in on the roof, the fan is the air exhauster, the driving piece is the motor. The top wall is provided with a touch panel 16, the exhaust fan and the motor are electrically connected with the touch panel, and a touch area 161 and a display area 163 are formed on the touch panel. A temperature sensor 171 and a humidity sensor 173 are further disposed on the top wall, and a display area on the touch panel is used for displaying air quality, temperature and humidity. For example, the air quality includes formaldehyde content, PM2.5 content and TVOC (Total Volatile organic compounds) content, and the formaldehyde sensor, the PM2.5 sensor and the TVOC sensor are provided. Because be provided with touch panel on the roof, consequently can pass through touch panel shows the air quality to make things convenient for the user to in time master indoor air quality.
For example, it is particularly important to refer to fig. 3 to 5 that, in order to collect dust and discharge the dust from the cylindrical shell, the bottom wall is a flexible bottom wall, a dust collecting hole 51 is formed in the flexible bottom wall, the dust collecting hole is located in the center of the flexible bottom wall, and a collecting disc 50 is detachably arranged on the bottom wall and is aligned with the collecting disc. A collecting space is formed in the collecting disc, a sliding surface is formed on the inner side of the collecting space, and the sliding surface is a plane. Because the flexible bottom wall is provided with the dust collecting hole, dust is conveniently discharged from the cylindrical shell.
In order to facilitate the dust on the flexible bottom wall to fall into the collecting disc, a support rod 52 is arranged in the cylindrical shell, a sealing disc 53 is arranged on the support rod, the sealing disc is arranged in the dust collecting hole, the circumference of the sealing disc covers the circumference wall of the dust collecting hole, the sealing disc is an iron sheet, the circumference wall of the dust collecting hole is coated with a plurality of magnet sheets, and the magnet sheets are arranged at intervals. The flexible bottom wall can be fixed on the sealing wafer in an adsorption manner through the adsorption of the sealing wafer and the magnet pieces. For example, in order to facilitate opening of the dust collecting hole to allow dust on the flexible bottom wall to fall into the collecting disk, the bottom of the collecting disk is provided with a bottom plate, the bottom plate is provided with an extracting hole, the periphery of the extracting hole is surrounded by a protective edge 54, and the protective edge is surrounded by a ring shape. The dust collecting device is characterized in that a pulling column 541 is arranged in the pulling hole, one end of the pulling column is inserted into the pulling hole, the other end of the pulling column is exposed out of the protective edge, a plurality of pulling ropes 5411 are arranged on the pulling column, the end parts of the pulling ropes are fixed on the periphery of the dust collecting hole, and the pulling ropes are arranged around the dust collecting hole. The diameter of the extraction column is equal to the diameter of the extraction hole. When the user pulls out the post, pull out the post and pass through a plurality of ropes of pulling out are pulled out downwards the magnet piece, and then make flexible diapire break away from sealed disk, the dust in the flexible diapire drop to in the collection disc. And when the extraction column is released, the sealing wafer adsorbs the plurality of magnet pieces, and then the dust collection hole is closed again to prevent dust from falling.
For example, in order to facilitate installation of the collecting disc, a locking post 551 and a locking piece 552 are formed on the collecting disc, the locking post and the locking piece are arranged oppositely, the periphery of the flexible bottom wall is accommodated in the collecting disc, a first locking piece 553 and a second locking piece 554 are convexly arranged on the flexible bottom wall, a pivoting groove is formed on the first locking piece, the locking post is movably locked in the pivoting groove of the first locking piece, and the locking piece and the second locking piece are mutually locked. The collecting disc is provided with a sliding groove adjacent to the clamping piece, a connecting rod 556 is further arranged in the collecting disc, one end of the connecting rod is rotatably arranged on the side wall of the collecting disc, the other end of the connecting rod penetrates through the sliding groove, a supporting piece 557 is arranged on the connecting rod, and the supporting piece 557 is pressed against the second card, so that the second card is clamped on the clamping piece. The end portion of the connecting rod is rotatably provided with a turnover cover 558, the side wall of the collecting disc is provided with a supporting hole, the turnover cover is provided with a supporting column 5581, and the supporting column penetrates through the supporting hole and supports the clamping piece, so that the clamping piece is deflected towards the second card, and the clamping force between the clamping piece and the second card is improved. The supporting piece is positioned in the collecting disc, and the turnover cover is positioned on the outer side of the collecting disc. When the collecting disc needs to be disassembled, the overturning cover is overturned, so that the abutting column is separated from the clamping piece, the connecting rod is pulled downwards to drive the abutting piece to be separated from the second clamping piece, the collecting disc is pulled, so that the clamping piece is separated from the second clamping piece, the collecting disc is rotated, the clamping column is separated from the pivoting groove, and the disassembling of the collecting disc is completed.
For example, the sliding groove is a rectangular groove, a rectangular body 5561 is formed at an end of the connecting rod, the flip cover is rotatably mounted on the rectangular body, a width direction of a cross section of the rectangular body is perpendicular to a length direction of the sliding groove, the length direction of the cross section of the rectangular body is parallel to the length direction of the sliding groove, the width of the cross section is equal to the width of the sliding groove, and the length of the cross section is greater than the width of the cross section, so that the rectangular body can only slide up and down along the sliding groove and cannot rotate. The pulling groove is formed in the pulling column, the penetrating groove is formed in the protecting and holding edge, and the penetrating groove is communicated with the pulling groove. For example, a cylindrical abutting part is formed in the middle of the connecting rod, a push-pull column is transversely and convexly arranged on the cylindrical abutting part, and an arc surface is formed on the periphery of the end part of the push-pull column. The push-pull column penetrates through the through groove and is inserted in the pulling groove. The connecting rod is an elastic rubber rod, a supporting spring 559 is installed on the protecting edge, one end of the supporting spring is installed at the top of the protecting edge, the other end of the supporting spring is connected to the collecting disc, and the supporting spring is supported on the cylindrical supporting part and drives the push-pull column on the connecting rod to be supported in the pulling groove. When the turning cover is pulled downwards to drive the clamping piece to move downwards, the connecting rod pulls the pulling column to move downwards through the push-pull column, so that the dust collecting hole in the flexible bottom wall is exposed, dust falls off, when the connecting rod moves to a preset position, the pulling column is abutted to the ground, when the connecting rod continues to pull downwards, the push-pull column jumps out of the pulling groove, the elastic rubber rod pushes the abutting spring to bend under the extrusion of the push-pull column, the push-pull column is separated from the pulling column, and at the moment, the pulling column returns to the original position under the action of magnetic attraction force and the elastic force of the flexible bottom wall. Thereafter, the user may remove the collection puck from the flexible bottom wall.
For example, in order to facilitate the air purification of the multifunctional air purification device, the present invention also provides an air purification method, for example, an air purification method using the multifunctional air purification device as described above, comprising the steps of:
starting the fan to draw air, forcing outside air to enter the filtering space and penetrate through the filter screen, and accumulating dust in the air on the surface of the filter screen;
the display area of the touch panel displays air quality, temperature and humidity; and the driving piece is intermittently started to drive the spiral brush to rotate, and the spiral brush scrapes off dust on the filter screen so as to enable the dust to fall into the collecting space of the collecting disc.
For example, the dust collecting hole is located in the center of the flexible bottom wall, and the diameter of the dust collecting hole is larger than that of the air inlet. Through setting up the spiral brush, thereby make and then can scrape dust on the filter screen for the dust drops, makes multi-functional air purification device's clearance dust operation is comparatively easy.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (1)
1. A multifunctional air purification device is characterized by comprising a cylindrical shell, a fan, a filter screen and a cleaning assembly, wherein a cylindrical filter space is formed in the cylindrical shell, a plurality of air inlets are formed in the side wall of the cylindrical shell, the fan is arranged at the top of the filter space and fixed on the cylindrical shell, the filter screen is cylindrical, the filter screen is arranged in the filter space and surrounds the fan, the cleaning assembly comprises a spiral hairbrush and a driving piece, the spiral hairbrush is arranged in the filter space and sleeved on the filter screen, and the driving piece is arranged at the top of the cylindrical shell and connected with the spiral hairbrush and used for driving the spiral hairbrush to rotate;
the cylindrical shell comprises a bottom wall, a circumferential side wall and a top wall, the bottom wall and the top wall are respectively installed at two opposite ends of the circumferential side wall, the air inlets are formed in the circumferential side wall, the air inlets are circular openings, the fan and the driving piece are installed on the top wall, the fan is an exhaust fan, the driving piece is a motor, a touch panel is arranged on the top wall, the exhaust fan and the motor are electrically connected with the touch panel, a touch area and a display area are formed on the touch panel, a temperature sensor and a humidity sensor are further arranged on the top wall, the display area on the touch panel is used for displaying air quality, temperature and humidity, the bottom wall is a flexible bottom wall, dust collecting holes are formed in the flexible bottom wall, a collecting disc is detachably arranged on the bottom wall, and the dust collecting holes are aligned with the collecting disc, a collecting space is formed in the collecting disc, a sliding surface is formed on the inner side of the collecting space, and the sliding surface is a plane;
the cylindrical shell is internally provided with a supporting rod, the supporting rod is provided with a sealing wafer, the sealing wafer is arranged in the dust collecting hole, the periphery of the sealing wafer covers the periphery wall of the dust collecting hole, the sealing wafer is an iron sheet, the periphery wall of the dust collecting hole is coated with a plurality of magnet sheets, the magnet sheets are arranged at intervals, the bottom of the collecting disk is provided with a bottom plate, an extracting hole is formed in the bottom plate, the periphery of the extracting hole is surrounded by a protective edge, the protective edge is surrounded into a ring shape, an extracting column is arranged in the extracting hole, one end of the extracting column is inserted into the extracting hole, the other end of the extracting column is exposed out of the protective edge, a plurality of extracting ropes are arranged on the extracting column, the end parts of the extracting ropes are fixed on the periphery of the dust collecting hole, and the extracting ropes are arranged around the dust collecting hole, the diameter of the extraction column is equal to that of the extraction hole, a clamping column and a clamping piece are formed on the collecting disc, the clamping column and the clamping piece are arranged oppositely, the periphery of the flexible bottom wall is accommodated in the collecting disc, a first clamping piece and a second clamping piece are arranged on the flexible bottom wall in an protruding mode, a pivoting groove is formed in the first clamping piece, the clamping column is movably clamped in the pivoting groove of the first clamping piece, the clamping piece and the second clamping piece are clamped mutually, a sliding groove is formed in the collecting disc adjacent to the clamping piece, a connecting rod is further arranged in the collecting disc, one end of the connecting rod is rotatably arranged on the side wall of the collecting disc, the other end of the connecting rod penetrates through the sliding groove, a supporting piece is arranged on the connecting rod, and the supporting piece is supported and pressed on the second clamping piece, so that the second clamping piece is clamped on the clamping piece, the end part of the connecting rod is rotatably provided with a turnover cover, the side wall of the collecting disc is provided with a propping hole, the turnover cover is provided with a propping column which is arranged in the propping hole in a penetrating way and props against the clamping sheet, so that the clamping piece is deflected towards the second clamping piece, the abutting piece is positioned in the collecting disc, the turnover cover is positioned on the outer side of the collecting disc, the sliding groove is a rectangular groove, a rectangular main body is formed at the end part of the connecting rod, the turnover cover is rotatably arranged on the rectangular main body, the width direction of the cross section of the rectangular main body is vertical to the length direction of the sliding groove, the length direction of the cross section of the rectangular main body is parallel to the length direction of the sliding groove, the width of the cross section is equal to the width of the sliding groove, and the length of the cross section is greater than the width of the cross section;
the pulling groove is formed in the pulling column, the through groove is formed in the protecting edge, and the through groove is communicated with the pulling groove; the diameter of the dust collecting hole is larger than that of the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010209943.0A CN111389108A (en) | 2018-12-20 | 2018-12-20 | Multifunctional air purification device and method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564111.XA CN109718609B (en) | 2018-12-20 | 2018-12-20 | Multifunctional air purification device and method |
| CN202010209943.0A CN111389108A (en) | 2018-12-20 | 2018-12-20 | Multifunctional air purification device and method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811564111.XA Division CN109718609B (en) | 2018-12-20 | 2018-12-20 | Multifunctional air purification device and method |
Publications (1)
| Publication Number | Publication Date |
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| CN111389108A true CN111389108A (en) | 2020-07-10 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811564111.XA Active CN109718609B (en) | 2018-12-20 | 2018-12-20 | Multifunctional air purification device and method |
| CN202010209943.0A Withdrawn CN111389108A (en) | 2018-12-20 | 2018-12-20 | Multifunctional air purification device and method |
| CN202010209233.8A Withdrawn CN111389107A (en) | 2018-12-20 | 2018-12-20 | Multifunctional air purification device and method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811564111.XA Active CN109718609B (en) | 2018-12-20 | 2018-12-20 | Multifunctional air purification device and method |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202010209233.8A Withdrawn CN111389107A (en) | 2018-12-20 | 2018-12-20 | Multifunctional air purification device and method |
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| CN (3) | CN109718609B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116153031A (en) * | 2022-12-19 | 2023-05-23 | 安徽九星仪表壳体股份有限公司 | Gas alarm shell convenient to overhaul |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801678B (en) * | 2019-11-19 | 2021-07-16 | 温岭市亚超童鞋业有限公司 | Dandelion-like self-dropping type filtering device for purifying heavily-polluted waste gas |
| CN112076547A (en) * | 2020-08-28 | 2020-12-15 | 朱鹏飞 | Portable air purification device |
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- 2018-12-20 CN CN202010209233.8A patent/CN111389107A/en not_active Withdrawn
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| CN207153350U (en) * | 2017-07-05 | 2018-03-30 | 江西益敏电子科技有限公司 | A kind of air cleaning unit |
| CN107281849A (en) * | 2017-08-14 | 2017-10-24 | 邯郸学院 | A kind of atmospheric cleaning device with movable stator |
| CN207922433U (en) * | 2018-01-09 | 2018-09-28 | 老肯医疗科技股份有限公司 | A kind of plasma air purifier |
| CN208205239U (en) * | 2018-05-16 | 2018-12-07 | 广东坤灵净化设备有限公司 | One kind can automatically adjust fresh air self-purifier |
| CN108800344A (en) * | 2018-05-23 | 2018-11-13 | 北京清源中科环保科技有限公司 | A kind of plasma air purifier |
| CN108413513A (en) * | 2018-05-30 | 2018-08-17 | 广州邦群信息科技有限公司 | A kind of air cleaning unit for smart home |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116153031A (en) * | 2022-12-19 | 2023-05-23 | 安徽九星仪表壳体股份有限公司 | Gas alarm shell convenient to overhaul |
| CN116153031B (en) * | 2022-12-19 | 2024-10-22 | 安徽九星仪表壳体股份有限公司 | Gas alarm shell convenient to overhaul |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111389107A (en) | 2020-07-10 |
| CN109718609A (en) | 2019-05-07 |
| CN109718609B (en) | 2020-04-24 |
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