CN113559647A - Domestic filtration optimization device - Google Patents
Domestic filtration optimization device Download PDFInfo
- Publication number
- CN113559647A CN113559647A CN202011314565.9A CN202011314565A CN113559647A CN 113559647 A CN113559647 A CN 113559647A CN 202011314565 A CN202011314565 A CN 202011314565A CN 113559647 A CN113559647 A CN 113559647A
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- switch
- fixed mounting
- air
- pipeline
- filter
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- 238000001914 filtration Methods 0.000 title claims abstract description 76
- 238000005457 optimization Methods 0.000 title claims abstract description 17
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 239000005388 borosilicate glass Substances 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 14
- 239000003365 glass fiber Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000006837 decompression Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005461 lubrication Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 239000000123 paper Substances 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 241000190070 Sarracenia purpurea Species 0.000 description 3
- 238000003905 indoor air pollution Methods 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a household air filtering optimization device which comprises a filtering shell, wherein four supports are fixedly arranged at four corners of the bottom end of the filtering shell, a transparent glass observation window is fixedly arranged at one side of the filtering shell, an exhaust valve is fixedly arranged at the bottom end of one side of the filtering shell, and a pneumatic mechanism is arranged in the filtering shell. This scheme is used for the air supply purification filtration through first centrifuge and second centrifuge, decompression and provide the lubrication, the gas from the air current entry through setting up compresses through the compressor, and introduced the drainage plate, there is evenly distributed's similar skewed tooth on the drainage plate, force the compressed air of high-speed flow to produce strong rotation along the tangential direction of tooth, liquid water oil and the great impurity that mixes in the air separate out under the centrifugal force effect of powerful second centrifuge, flow to the bottom of pressure quiet district casing, detach the compressed air of liquid water oil and great impurity, rethread borosilicate glass fiber's further filtration.
Description
Technical Field
The invention relates to the technical field of indoor filtration, in particular to a household air filtration optimizing device.
Background
Along with the indoor air pollution of city air's pollution is more serious in recent years, especially in the burning of heat preservation fuel in autumn and winter, the combustion gas causes huge pollution to peripheral air, and the air pollution early warning condition is more and more frequent, and wherein the influence of haze to people's life is more obvious, especially is more outstanding to old man and child's healthy influence, and domestic filtration optimization device on the market at present has following several problems:
1) most of the existing household air filtering devices adopt fixed filter paper to form a single air cavity for filtering indoor air, and the use of the fixed filter paper cannot reduce dust of particulate matters in the air;
2) present domestic air filter, the fan that all supplies air adds the structure of filter paper frame filter, and it is simpler to filter to have the process, can't separate the profit to in the air and subside to lead to the unable clean up of indoor air pollution behind the process, cause the harm to the respiratory track of human body.
Disclosure of Invention
The invention aims to provide a household air filtering optimization device, which aims to solve the problems that most of the existing fixed filter papers adopted in the background technology form a single air cavity to filter indoor air, the use of the fixed filter papers cannot perform dust fall on particulate matters in the air, and a structure of an air supply fan and a filter paper frame filter is adopted, the filtering process is simple, oil and water in the air cannot be separated and settled, so that indoor air pollution cannot be cleaned after the process, and the respiratory tract of a human body is damaged.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a domestic filtration optimization device, includes and filters the casing, four equal fixed mounting in four corners in bottom of filtering the casing have four supports, one side fixed mounting that filters the casing has the clear glass observation window, the bottom fixed mounting that filters casing one side has discharge valve, it has pneumatic mechanism to filter casing internally mounted, the top of filtering the casing is through edulcoration mechanism and filtering mechanism erection joint, one side of filtering the casing is fixed and has been seted up the fluting, one side block of filtering the casing is connected with the cardboard.
In order to enable the air supply fan to suck dust, as a preferable option of the invention, the pneumatic mechanism comprises an air supply fan fixedly connected with the inside of the filter housing, one side of the air supply fan is connected with one side of the first air filter through a connecting pipe, a glass fiber net is fixedly installed at the top of the first air filter, a protective housing is fixedly installed at the top of the glass fiber net, a servo motor is fixedly installed at the top of the protective housing, a fan is fixedly installed at the transmission end of the servo motor, an air outlet pipeline is fixedly installed at one side of the first air filter, and the air outlet pipeline penetrates through the top of the filter housing and is fixedly connected with the bottom end of the air bag.
In order to enable the air bag to store air, as an optimized aspect of the present invention, the impurity removing mechanism includes a first conveying pipe fixedly connected to one side of the air bag through a pipe, a pressure reducing valve is fixedly mounted at the top of the first conveying pipe, an oil mist removing device is fixedly mounted at one end of the top of the first conveying pipe, an air inlet is fixedly mounted at one end of the first conveying pipe, a compressor is fixedly mounted at the bottom end of the middle of the first conveying pipe, drainage plates are fixedly mounted at two sides of the first conveying pipe, and a second centrifuge is fixedly mounted at the top of an air outlet of the first conveying pipe.
In order to filter indoor air, as a preferable mode of the present invention, the filtering mechanism includes a second conveying pipeline fixedly installed with an air outlet of the first conveying pipeline, a first filtering layer is fixedly installed in the middle of the second conveying pipeline, one end of the second conveying pipeline is fixedly connected with a filtering protective shell, a filter element is fixedly installed inside the filtering protective shell, a barometer is fixedly installed at the top of the filtering protective shell, a pressure quiet zone casing is fixedly installed at the bottom end of the second conveying pipeline, a drain valve is fixedly installed at the bottom end of the pressure quiet zone casing, and a filter shell inner cavity is fixedly installed at one side of the pressure quiet zone casing.
In order to make the positive ions to perform dust fall on fine dust in the air, as a preferable mode of the invention, an anode ion electrostatic head is fixedly installed inside the inner cavity of the filter shell.
In order to filter large particles, it is preferable according to the invention that the filter element is made of borosilicate glass fibers.
In order to illuminate the workplace, as a preferable mode of the invention, the LED illuminating lamps are fixedly installed on two sides of the top of the filtering shell.
In order to fix the conveying pipeline, it is preferable that a fixing mounting block is fixedly connected to one side of the first conveying pipeline and one side of the second conveying pipeline.
In order to stabilize the electric appliance, as a preferable mode of the present invention, a plurality of screws are threadedly connected to one side of the top of the filtering casing for fixing.
In order to control the electric appliance, as a preferred embodiment of the present invention, a switch panel is fixedly installed on one side of the top of the filtering housing, an air supply fan switch, a first air filter switch, a servo motor switch, a first centrifugal motor switch, a compressor switch, a second centrifuge switch, an LED lighting lamp switch and a barometer switch are fixedly installed on the surface of the switch panel, the air supply fan is electrically connected with an external power supply through the air supply fan switch, the first air filter is electrically connected with the external power supply through the first air filter switch, the servo motor is electrically connected with the external power supply through the servo motor switch, the first centrifugal motor is electrically connected with the external power supply through the first centrifugal motor switch, the compressor is electrically connected with the external power supply through the compressor switch, and the LED lighting lamp is electrically connected with the external power supply through the LED lighting lamp switch, the second centrifuge is electrically connected with the external power supply through a second centrifuge switch and a barometer switch.
Compared with the prior art, the invention has the beneficial effects that:
1) through the arranged air supply fan, the air containing radioactivity or tiny particles can be conveniently sucked into the slots on the filtering shell, the air is filtered by the glass fiber net to block particles with larger particles, the particles are filtered by the first air filter, and after the filtering is finished, the air is discharged into the air bag through the air outlet pipeline to be stored;
2) be used for air supply purification filtration through first centrifuge and second centrifuge, decompression and provide the lubrication, the gas from air inlet through setting up compresses through the compressor, and introduced the drainage plate, there is evenly distributed's similar skewed tooth on the drainage plate, force the compressed air of high-speed flow to produce strong rotation along the tangential direction of tooth, liquid water oil and the great impurity that mixes in the air separate out under the centrifugal force effect of powerful second centrifuge, flow to the bottom of pressure quiet district casing, detach the compressed air of liquid water oil and great impurity, rethread borosilicate glass fiber's further filtration, indoor air clean up.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a second schematic structural diagram of the present invention;
FIG. 4 is a third schematic view of a servo motor according to the present invention;
FIG. 5 is a schematic view of the internal structure of the present invention;
FIG. 6 is a schematic view of the structure of the trash removal mechanism of the present invention.
In the figure: 1. a filter housing; 11. a support; 12. a transparent glass viewing window; 13. an exhaust valve; 14. grooving; 2. a pneumatic mechanism; 21. an air supply fan; 22. a first air filter; 23. a glass fiber web; 24. a protective shell; 25. a servo motor; 26. an air outlet pipe; 27. an air bag; 3. an impurity removal mechanism; 31. a first centrifugal motor; 32. a first delivery conduit; 33. an airflow inlet; 34. a compressor; 35. a drainage plate; 36. a second centrifuge; 4. a filtering mechanism; 41. a second delivery conduit; 42. a first filter layer; 43. filtering the protective shell; 44. a filter element; 45. a barometer; 46. a quiet zone housing; 47. a drain valve; 48. the inner cavity of the filter shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a domestic filtration optimization device, including filtering casing 1, four equal fixed mounting in four corners in the bottom of filtering casing 1 have four supports 11, one side fixed mounting of filtering casing 1 has clear glass observation window 12, the bottom fixed mounting of filtering casing 1 one side has discharge valve 13, 1 internally mounted of filtering casing has pneumatic mechanism 2, the top of filtering casing 1 is through edulcoration mechanism 3 and 4 erection joint of filter mechanism, one side of filtering casing 1 is fixed has seted up fluting 14, one side block of filtering casing 1 is connected with the cardboard.
In this embodiment: pneumatic mechanism 2 includes and filters 1 internally mounted's of casing air supply fan 21 fixed connection, one side through connection pipe and first air cleaner 22 is passed through to one side of air supply fan 21, the top fixed mounting of first air cleaner 22 has glass fiber net 23, the top fixed mounting of glass fiber net 23 has protective housing 24, the top fixed mounting of protective housing 24 has servo motor 25, servo motor 25's transmission end fixed mounting has the fan, one side fixed mounting of first air cleaner 22 has outlet duct 26, outlet duct 26 runs through the bottom fixed connection who filters 1 top and gasbag 27.
During the specific use, through the air supply fan 21 that sets up, inclosed wind channel is constituteed such as glass fiber net 23 and first air cleaner 22, when air supply fan 21 operates, the fluting 14 of filter housing 1 inhales the air that contains radioactivity or have tiny granule, the fibre diameter in glass fiber net 23 equipment is little, the filtration of surface smoothness, filter through first air cleaner 22, after the filtration is accomplished, arrange to gasbag 27 through sending out pipeline 26 and store, and its impurity of first air cleaner 22 and glass fiber net 23 is blockked, when needs wash, as long as will dismantle protective housing 24 and clear up the impurity and take out, pack into again after the processing can, therefore, it is very convenient to use the maintenance.
In this embodiment: impurity removal mechanism 3 includes one side fixed connection who passes through pipeline and first centrifugal motor 31 with one side of gasbag 27, the top fixed mounting of first centrifugal motor 31 has first pipeline 32, the top fixed mounting of first pipeline 32 has the relief pressure valve, the top one end fixed mounting of first pipeline 32 has the deoiling fog ware, first pipeline 32 one end fixed mounting has inlet flow inlet 33, the bottom fixed mounting in the middle part of first pipeline 32 has compressor 34, the both sides fixed mounting of first pipeline 32 has drainage plate 35, the top fixed mounting of the gas outlet of first pipeline 32 has second centrifuge 36.
During the specific use, be used for air supply purification filtration, decompression and provide lubrication through first centrifuge 31 and second centrifuge 36, at first through the setting from airflow inlet 33's gas through compressor 34 compress, and be introduced into drainage plate 35, the last skewed tooth that has evenly distributed's similar fan blade of drainage plate 35, the compressed air that forces the high-speed flow produces strong rotation along the tangential direction of tooth, liquid water oil and the great impurity that mix in the air separate out under powerful second centrifuge 36's centrifugal force effect, flow to the bottom of pressure quiet district casing 46, be convenient for handle the particulate matter in the air through removing oil thing ware.
In this embodiment: filtering mechanism 4 includes and has second pipeline 41 with the gas outlet fixed mounting of first pipeline 32, the middle part fixed mounting of second pipeline 41 has first filter layer 42, the one end fixedly connected with of second pipeline 41 filters protecting crust 43, the inside fixed mounting who filters protecting crust 43 has filter core 44, the top fixed mounting who filters protecting crust 43 has barometer 45, the bottom fixed mounting of second pipeline 41 has quiet district's of pressure casing 46, the bottom fixed mounting of quiet district's of pressure casing 46 has drain valve 47, one side fixed mounting of quiet district's of pressure casing 46 has filter shell inner chamber 48.
When the air filter is used specifically, the air filter is used for providing clean air for the household rooms to prevent the household rooms from being sucked with air with foreign particles during working to increase the probability of abrasion and damage, the main components of the air filter are the filter element 44 and the filter protective shell 43, wherein the filter element 44 is a main filter part and bears the filtering work of gas, the filter protective shell 43 is an external structure for providing necessary protection for the filter element 44, the barometer 45 can detect the pressure of the gas in the conveying pipeline, can bear the high-efficiency air filtering work, does not increase excessive resistance for air flow, can continuously work for a long time, removes liquid water and oil and compressed air with larger impurities, further filters the filter element 44 by adopting borosilicate glass fibers at the inlet of the filter element 44 to remove tiny solid particles, and then outputs the clean compressed air from the outlet, the water cup is divided into an upper part and a lower part by the umbrella-shaped water baffle, the lower part of the water cup is kept in the pressure quiet zone shell 46, and the water and oil which are sucked by the high-speed rotating air flow and enter the quiet zone shell 46 and are gathered at the bottom of the water cup can be prevented from being discharged from the drain valve 47.
In this embodiment: an anode ion electrostatic head is fixedly mounted inside the filter housing inner cavity 48.
During the specific use, the dust particles in the gas are conveniently subjected to dust fall through the arranged anode ion oxidation treatment.
In this embodiment: the filter element 44 is made of borosilicate glass fiber.
During the specific use, borosilicate glass fiber through setting up is convenient for block tiny granule, promotes the clean degree in the air.
In this embodiment: LED illuminating lamps are fixedly arranged on two sides of the top of the filtering shell 1.
When the LED illuminating lamp is used specifically, the LED illuminating lamp is convenient for illuminating workplaces at night.
In this embodiment: one side of the first conveying pipeline 32 and one side of the second conveying pipeline 41 are fixedly connected with a fixed mounting block.
When the device is used specifically, the fixed mounting blocks are arranged to facilitate fixing one sides of the first conveying pipeline 32 and the second conveying pipeline 41.
In this embodiment: a plurality of screws are connected with one side of the top of the filtering shell 1 in a threaded manner.
When in specific use, the filter housing 1 is fixed by screws.
In this embodiment: a switch panel is fixedly arranged on one side of the top of the filtering shell 1, an air supply fan switch, a first air filter switch, a servo motor switch, a first centrifugal motor switch, a compressor switch and a second centrifugal switch are fixedly arranged on the surface of the switch panel, LED light switch and barometer switch, air supply fan 21 passes through air supply fan switch and external power supply electric connection, first air cleaner 22 passes through first air cleaner switch and external power supply electric connection, servo motor 25 passes through servo motor switch and external power supply electric connection, first centrifugal motor 31 passes through first centrifugal motor switch and external power supply electric connection, compressor 34 passes through compressor switch and external power supply electric connection, the LED light passes through LED light switch and external power supply electric connection, second centrifuge 36 passes through second centrifuge switch and barometer switch and external power supply electric connection.
When the electric appliance filtering device is used specifically, the electric appliance on the filtering device is convenient to operate and control.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a domestic filtration optimization device, is including filtering casing (1), its characterized in that, four equal fixed mounting in four corners in bottom of filtering casing (1) have four supports (11), one side fixed mounting who filters casing (1) has clear glass observation window (12), the bottom fixed mounting who filters casing (1) one side has discharge valve (13), it has pneumatic mechanism (2) to filter casing (1) internally mounted, the top of filtering casing (1) is through edulcoration mechanism (3) and filtering mechanism (4) erection joint, one side of filtering casing (1) is fixed and has been seted up fluting (14), one side block of filtering casing (1) is connected with the cardboard.
2. A home air filtration optimization device in accordance with claim 1, wherein: pneumatic mechanism (2) include with filter casing (1) internally mounted's air supply fan (21) fixed connection, one side through connection pipe and one side through connection of first air cleaner (22) are passed through to one side of air supply fan (21), the top fixed mounting of first air cleaner (22) has glass fiber net (23), the top fixed mounting of glass fiber net (23) has protective housing (24), the top fixed mounting of protective housing (24) has servo motor (25), the transmission end fixed mounting of servo motor (25) has the fan, one side fixed mounting of first air cleaner (22) has outlet duct (26), outlet duct (26) run through the bottom fixed connection who filters casing (1) top and gasbag (27).
3. A home air filtration optimization device in accordance with claim 2, wherein: edulcoration mechanism (3) include with one side of gasbag (27) through one side fixed connection of pipeline and first centrifugal motor (31), the top fixed mounting of first centrifugal motor (31) has first pipeline (32), the top fixed mounting of first pipeline (32) has the relief pressure valve, the top one end fixed mounting of first pipeline (32) has the deoiling fog ware, first pipeline (32) one end fixed mounting has inflow entrance (33) that admits air, the bottom fixed mounting at first pipeline (32) middle part has compressor (34), the both sides fixed mounting of first pipeline (32) has drainage plate (35), the top fixed mounting of the gas outlet of first pipeline (32) has second centrifuge (36).
4. A home air filtration optimization device in accordance with claim 3, wherein: filtering mechanism (4) include with the gas outlet fixed mounting of first pipeline (32) have second pipeline (41), the middle part fixed mounting of second pipeline (41) has first filter layer (42), the one end fixedly connected with of second pipeline (41) filters protecting crust (43), the inside fixed mounting who filters protecting crust (43) has filter core (44), the top fixed mounting who filters protecting crust (43) has barometer (45), the bottom fixed mounting of second pipeline (41) has pressure quiet district casing (46), the bottom fixed mounting of pressure quiet district casing (46) has drain valve (47), one side fixed mounting of pressure quiet district casing (46) has filter shell inner chamber (48).
5. A home air filtration optimization device in accordance with claim 4, wherein: an anode ion electrostatic head is fixedly arranged in the inner cavity (48) of the filter shell.
6. A home air filtration optimization device in accordance with claim 4, wherein: the filter element (44) is made of borosilicate glass fibers.
7. A home air filtration optimization device in accordance with claim 4, wherein: and LED illuminating lamps are fixedly arranged on two sides of the top of the filtering shell (1).
8. A home air filtration optimization device in accordance with claim 4, wherein: and one sides of the first conveying pipeline (32) and the second conveying pipeline (41) are fixedly connected with a fixed mounting block.
9. A home air filtration optimization device in accordance with claim 1, wherein: and one side of the top of the filtering shell (1) is in threaded connection with a plurality of screws for fixing.
10. A home air filtration optimization device in accordance with claim 7, wherein: the utility model discloses a filter shell, including filter shell (1), filter shell, first air cleaner switch, servo motor switch, first centrifugal motor switch, compressor switch, second centrifuge switch, LED light switch and barometer switch, filter shell's (1) top one side fixed mounting has switch panel, switch panel's fixed surface installs air supply fan switch, first air filter switch, servo motor switch, first centrifugal motor switch, compressor switch, second centrifuge switch, LED light switch and barometer switch, air supply fan (21) through air supply fan switch and external power supply electric connection, first air filter (22) through first air filter switch and external power supply electric connection, servo motor (25) through servo motor switch and external power supply electric connection, first centrifugal motor (31) through first centrifugal motor switch and external power supply electric connection, compressor (34) through compressor switch and external power supply electric connection, the LED light passes through LED light switch and external power supply electric connection, the second centrifuge (36) is electrically connected with the external power supply through a second centrifuge switch and a barometer switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011314565.9A CN113559647A (en) | 2020-11-21 | 2020-11-21 | Domestic filtration optimization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011314565.9A CN113559647A (en) | 2020-11-21 | 2020-11-21 | Domestic filtration optimization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113559647A true CN113559647A (en) | 2021-10-29 |
Family
ID=78158787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011314565.9A Pending CN113559647A (en) | 2020-11-21 | 2020-11-21 | Domestic filtration optimization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113559647A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700453A (en) * | 2009-10-21 | 2010-05-05 | 合肥开泰工贸有限责任公司 | Fully automatic air dry purifier |
| CN105214435A (en) * | 2015-11-13 | 2016-01-06 | 无锡桥阳机械制造有限公司 | A kind of air cleaner |
| CN106288017A (en) * | 2016-10-13 | 2017-01-04 | 安徽理工大学 | Underground work feeder |
-
2020
- 2020-11-21 CN CN202011314565.9A patent/CN113559647A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101700453A (en) * | 2009-10-21 | 2010-05-05 | 合肥开泰工贸有限责任公司 | Fully automatic air dry purifier |
| CN105214435A (en) * | 2015-11-13 | 2016-01-06 | 无锡桥阳机械制造有限公司 | A kind of air cleaner |
| CN106288017A (en) * | 2016-10-13 | 2017-01-04 | 安徽理工大学 | Underground work feeder |
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Application publication date: 20211029 |
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