CN112717291A - Positive pressure air purification protective cover and using method thereof - Google Patents
Positive pressure air purification protective cover and using method thereof Download PDFInfo
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- CN112717291A CN112717291A CN202110161145.XA CN202110161145A CN112717291A CN 112717291 A CN112717291 A CN 112717291A CN 202110161145 A CN202110161145 A CN 202110161145A CN 112717291 A CN112717291 A CN 112717291A
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- face
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/006—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort with pumps for forced ventilation
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
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- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Duct Arrangements (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention discloses a positive pressure air purification protective cover and a using method thereof, the structure of the protective cover comprises an adjusting ring, a cold air preparation device, a head cover, a back cover, a cloth cover and a face cover, the face cover and the back cover are horizontally and mechanically connected, the head cover is arranged at the top end of the face cover, the adjusting ring is arranged right above the back cover, the cloth cover is arranged at the bottom of the face cover and the back cover, the cold air preparation device is arranged right in the middle of the back cover and the face cover which are opposite, and the cold air preparation device is also mechanically connected with the face cover. And then the quantity of the air output is adjusted, so that the air in the mask is more comfortable.
Description
The invention relates to a divisional application of a positive pressure air purification protective cover, which is filed as 5, 31 and 2020 as application number CN 202010481485.6.
Technical Field
The invention relates to the field of air purification, in particular to a positive pressure air purification protective cover and a using method thereof.
Background
Coping with the air pollution problem at present, people are going on a journey or specific post during operation, not only need wear the gauze mask, still need dress the face guard, dust in the isolated air not only, objects such as bacterium in still needing air-purifying, such face guard most all is sealed, the carbon dioxide and the steam of human exhalation, can be after the face guard contact, the cooling condenses into the drop of water on the face guard inner wall, the human body is in case the face guard of taking, can't follow inside and clean, shelter from the sight easily, the field of vision is easily fuzzy.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides a malleation air purification protection casing and application method thereof, its structure includes adjustment ring, air conditioning preparation ware, hood, back shroud, cloth cover, face guard, the horizontal mechanical connection of face guard and back shroud, the hood is installed on the face guard top, install the adjustment ring directly over the back shroud, the cloth cover is installed to the bottom of face guard and back shroud, the air conditioning preparation ware is installed to the right centre of back shroud and face shroud phase, air conditioning preparation ware also is connected with the face shroud mechanical connection.
As a further optimization of the technical scheme, the cold air preparation device is provided with a condensation system, a cold air flow pipe, a second flow pipe, a sprinkler head, wherein the condensation system is arranged in the middle of the rear cover and the face cover which are opposite, the sprinkler head is arranged in the middle of the horizontal face cover, cold air flow pipes are arranged on two sides of the horizontal plane of the condensation system, the second flow pipe is arranged at the tail end of the cold air flow pipe far away from the condensation system, the second flow pipe is mechanically connected with the sprinkler head, the cold air flow pipe and the second flow pipe are tightly attached to the middle of the face cover, the sprinkler head is used for delivering cold air, the temperature inside the face cover is reduced, the constant-temperature cold air flow pipe, the second flow pipe and the face cover are always kept inside the face cover, the temperature on the surface of the mask is not too high, the internal temperature is not high, the surface cannot condense water drops, and the visual field cannot be blurred.
As a further optimization of the technical scheme, the condensing system comprises a power supply, a small motor, a shell, a small fan, an ice box and an air outlet, wherein the ice box is installed at one end of the shell, the air outlet is formed in each of two sides of the ice box, the air outlet is mechanically connected with a cold air flow through pipe, the power supply is arranged on the inner wall of the other end of the shell opposite to the ice box, an output shaft of the small motor is mechanically connected with the small fan, the small fan faces the ice box, the small motor is mechanically connected with the power supply, and an insulating layer is arranged on the inner wall of the ice box.
As a further optimization of the technical scheme, the second flow pipe is a folding extension pipe, can be bent and folded for control, can adjust the extension direction, and is not limited by a pipeline for circulating cold air after the sprinkler head moves up and down.
As a further optimization of the technical scheme, the sprinkler head is provided with a spiral plug, a cold air outlet and an air outlet pipe, the air outlet pipe is vertically fixed in the middle of the inside of the face mask, the tail end of the air outlet pipe, far away from the face mask, is provided with more than two cold air outlets which are on the same horizontal plane, the spiral plug is arranged in the middle of the air outlet pipe, the spiral plug is in threaded connection with the air outlet pipe, the spiral plug is in threaded fit with the cold air outlet, the area of the exposed cold air outlet is adjusted by rotating the spiral plug, and then the amount of output air is adjusted, so that the air in the face mask is more comfortable.
As a further optimization of the technical scheme, an air compression plate is arranged on the outer wall of the air outlet pipe above the cold air outlet, an included angle is formed between the air compression plate and the air outlet pipe, the tail end of the air compression plate faces the inner wall of the face shield, and the air compression plate does not face the face due to the face shield facing the face shield, so that the air compression plate cannot act on the face to cause discomfort.
As a further optimization of the technical scheme, a moving groove-is arranged in the middle of the face mask, the moving groove-is movably matched with the sprinkler head, and the cross section of the moving groove-is of a U-shaped structure.
Advantageous effects
Compared with the prior art, the positive pressure air purification protective cover and the use method thereof have the following advantages:
1. the invention reduces the temperature in the mask by the cold air delivery of the sprinkler head, keeps the constant temperature cold air flow pipe and the second flow pipe in the mask to be tightly attached to the mask, and has the advantages of no overhigh surface temperature, low internal temperature, no condensation speed on the surface and no blurred vision.
2. The sprinkler head of the invention can adjust the area of the exposed cold air outlet by rotating the spiral plug, thereby adjusting the output air quantity and leading the air in the face mask to be more comfortable.
3. The sprinkler head is arranged in the middle of the face mask and can move up and down at the center of the moving groove according to the five sense organs of a human body, so that cold air is prevented from directly acting on eyes and skin, the safety coefficient of use is improved, and discomfort is caused because the air compression plate faces the face mask and does not face the face and further does not act on the face.
4. The second flow pipe is a telescopic pipe, can be bent and folded for control, can adjust the extension direction, and is not limited by a pipeline for circulating cold air after the sprinkler head moves up and down.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic perspective view of a positive pressure air purification shield and a method for using the same according to the present invention.
Fig. 2 is a schematic cross-sectional view of a positive pressure air purification shield and a method for using the same according to the present invention.
FIG. 3 is an enlarged view of the structure A in FIG. 2 according to the present invention.
FIG. 4 is a schematic cross-sectional view of a cold gas preparation device according to the present invention.
FIG. 5 is a schematic view of the structure of the invention shown in FIG. 2A in use.
In the figure: the device comprises an adjusting ring 1, a cold air preparation device 2, a hood 3, a rear cover 4, a cloth cover 5, a mask 6, a condensing system 2-1, a cold air flow pipe 2-2, a second flow pipe 2-3, a sprinkler 2-4, a moving groove 2-5, a power supply 21, a small motor 22, a shell 23, a small fan 24, an ice box 25, an air outlet 26, a spiral plug 241, a cold air outlet 242, an air outlet pipe 244 and an air compression plate 243.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Example one
Referring to fig. 1-5, the invention provides a positive pressure air purification protective cover and a method for using the same, the positive pressure air purification protective cover comprises an adjusting ring 1, a cold air preparation device 2, a head cover 3, a rear cover 4, a cloth cover 5 and a face cover 6, the face cover 6 is horizontally and mechanically connected with the rear cover 4, the head cover 3 is installed at the top end of the face cover 6, the adjusting ring 1 is installed right above the rear cover 4, the cloth cover 5 is installed at the bottoms of the face cover 6 and the rear cover 4, the cold air preparation device 2 is installed right in the middle of the rear cover 4 opposite to the face cover 6, and the cold air preparation device 2 is also mechanically connected with the face cover 6.
The cold air preparation device 2 is provided with a condensing system 2-1, a cold air circulation pipe 2-2, a second circulation pipe 2-3 and a sprinkler head 2-4, the condensing system 2-1 is installed in the middle of the rear cover 4 and the face cover 6 which are opposite, the sprinkler head 2-4 is installed in the middle of the face cover 6, the cold air circulation pipe 2-2 is installed on two horizontal sides of the condensing system 2-1, the second circulation pipe 2-3 is installed at the tail end of the cold air circulation pipe 2-2 far away from the condensing system 2-1, the second circulation pipe 2-3 is mechanically connected with the sprinkler head 2-4, the cold air circulation pipe 2-2 and the second circulation pipe 2-3 are tightly attached to the middle of the face cover 6, the sprinkler head 2-4 conveys cold air to reduce the temperature inside the face cover 6, and the constant temperature cold air circulation pipe 2-2 is always kept inside the face cover 6, The second circulation pipe 2-3 is tightly attached to the face mask 6, the surface temperature of the face mask 6 is not too high, the internal temperature is not high, the speed of water drops condensation on the surface is avoided, and the visual field is not blurred.
The condensing system 2-1 comprises a power supply 21, a small motor 22, a shell 23, a small fan 24, an ice box 25 and an air outlet 26, wherein the ice box 25 is installed at one end of the shell 23, the air outlet 26 is formed in two sides of the ice box 25, the air outlet 26 is mechanically connected with a cold air flow pipe 2-2, the power supply 21 is arranged on the inner wall of the other end of the shell 23 opposite to the ice box 25, an output shaft of the small motor 22 is mechanically connected with the small fan 24, the small fan 24 faces the ice box 25, the small motor 22 is mechanically connected with the power supply 21, and an insulating layer is arranged on the inner wall of the ice box 25.
The second flow pipe 2-3 is a folding extension pipe, can be bent and folded for control, can adjust the extension direction, and does not limit the pipeline for circulating cold air after the sprinkler head 2-4 moves up and down.
When the ice cream machine is used, firstly, the small motor 22 is electrified to drive the small fan 24 to rotate to blow out cold air in the ice box 25 from the air outlet 26, the cold air flows into the sprinkler heads 2-4 through the cold air flow pipe 2-2 and the second flow pipe 2-3 and is diffused into the face mask 6 to reduce the temperature inside the face mask 6, the constant-temperature cold air flow pipe 2-2 and the second flow pipe 2-3 are always kept inside the face mask 6 to be tightly attached to the face mask 6, the surface temperature of the face mask 6 cannot be too high, the internal temperature is not high, the surface cannot condense water drops, and the visual field cannot be blurred.
Example two
Referring to fig. 1-5, the invention provides a positive pressure air purification protective cover and a method for using the same, the positive pressure air purification protective cover comprises an adjusting ring 1, a cold air preparation device 2, a head cover 3, a rear cover 4, a cloth cover 5 and a face cover 6, the face cover 6 is horizontally and mechanically connected with the rear cover 4, the head cover 3 is installed at the top end of the face cover 6, the adjusting ring 1 is installed right above the rear cover 4, the cloth cover 5 is installed at the bottoms of the face cover 6 and the rear cover 4, the cold air preparation device 2 is installed right in the middle of the rear cover 4 opposite to the face cover 6, and the cold air preparation device 2 is also mechanically connected with the face cover 6.
The cold air preparation device 2 is provided with a condensing system 2-1, a cold air circulation pipe 2-2, a second circulation pipe 2-3 and a sprinkler head 2-4, the condensing system 2-1 is installed in the middle of the rear cover 4 and the face cover 6 which are opposite, the sprinkler head 2-4 is installed in the middle of the face cover 6, the cold air circulation pipe 2-2 is installed on two horizontal sides of the condensing system 2-1, the second circulation pipe 2-3 is installed at the tail end of the cold air circulation pipe 2-2 far away from the condensing system 2-1, the second circulation pipe 2-3 is mechanically connected with the sprinkler head 2-4, the cold air circulation pipe 2-2 and the second circulation pipe 2-3 are tightly attached to the middle of the face cover 6, the sprinkler head 2-4 conveys cold air to reduce the temperature inside the face cover 6, and the constant temperature cold air circulation pipe 2-2 is always kept inside the face cover 6, The second circulation pipe 2-3 is tightly attached to the face mask 6, the surface temperature of the face mask 6 is not too high, the internal temperature is not high, the speed of water drops condensation on the surface is avoided, and the visual field is not blurred.
The condensing system 2-1 comprises a power supply 21, a small motor 22, a shell 23, a small fan 24, an ice box 25 and an air outlet 26, wherein the ice box 25 is installed at one end of the shell 23, the air outlet 26 is formed in two sides of the ice box 25, the air outlet 26 is mechanically connected with a cold air flow pipe 2-2, the power supply 21 is arranged on the inner wall of the other end of the shell 23 opposite to the ice box 25, an output shaft of the small motor 22 is mechanically connected with the small fan 24, the small fan 24 faces the ice box 25, the small motor 22 is mechanically connected with the power supply 21, and an insulating layer is arranged on the inner wall of the ice box 25.
The second flow pipe 2-3 is a folding extension pipe, can be bent and folded for control, can adjust the extension direction, and does not limit the pipeline for circulating cold air after the sprinkler head 2-4 moves up and down.
The sprinkler heads 2-4 are provided with spiral plugs 241, cold air outlets 242 and air outlet pipes 244, the air outlet pipes 244 are vertically fixed in the middle of the inside of the face mask 6, the tail ends, far away from the face mask 6, of the air outlet pipes 244 are provided with more than two cold air outlets 242 which are on the same horizontal plane, the spiral plugs 241 are arranged in the middle of the air outlet pipes 244, the spiral plugs 241 are in threaded connection with the air outlet pipes 244, the spiral plugs 241 are in threaded fit with the cold air outlets 242, the area of the exposed cold air outlets 242 is adjusted by rotating the spiral plugs 241, and then the quantity of output air is adjusted, so that the air in the face mask 6 is more comfortable.
An air compression plate 243 is arranged on the outer wall of the air outlet pipe 244 above the cold air outlet 242, an included angle is formed between the air compression plate 243 and the air outlet pipe 244, the tail end of the air compression plate 243 faces the inner wall of the face shield 6, and the air compression plate 243 faces the face shield 6 and does not face the face of a person, so that the face cannot be acted on, and discomfort is caused.
The middle of the face guard 6 is provided with a moving groove 2-5, the moving groove 2-5 is movably matched with the sprinkler head 2-4, and the section of the moving groove 2-5 is of a U-shaped structure.
On the basis of the first embodiment, because the sprinkler heads 2-4 are arranged in the middle of the face mask 6 and the sprinkler heads 2-4 can move up and down at the center of the moving groove 2-5 according to the five sense organs of the human body, the cold air is prevented from directly acting on eyes and skin, the safety factor of use is improved, and because the air pressing plate 243 faces the face mask 6 and does not face the human face, further the air pressing plate will not act on the face to cause discomfort, in the moving process, because the second communicating pipe 2-3 is a telescopic pipe, the bending and folding can be controlled, the extending direction can be adjusted, the pipeline for circulating the cold air after the up and down movement of the sprinkler head 2-4 is not limited, and in addition, the area of the exposed cold air outlet 242 can be adjusted by rotating the spiral block 241 of the sprinkler head 2-4, and further the quantity of the output air can be adjusted, so that the air in the face mask 6 is more comfortable.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The positive pressure air purification protective cover is characterized in that: the structure of the air conditioner comprises an adjusting ring (1), an air conditioner preparation device (2), a hood (3), a rear cover (4), a cloth cover (5) and a face cover (6), wherein the face cover (6) is horizontally and mechanically connected with the rear cover (4), the hood (3) is installed at the top end of the face cover (6), the adjusting ring (1) is installed right above the rear cover (4), the cloth cover (5) is installed at the bottoms of the face cover (6) and the rear cover (4), the air conditioner preparation device (2) is installed in the middle of the rear cover (4) relative to the face cover (6), and the air conditioner preparation device (2) is also mechanically connected with the face cover (6);
air conditioning preparation ware (2) are equipped with condensing system (2-1), cold air circulation pipe (2-2), second circulation pipe (2-3), sprinkler head (2-4), condensing system (2-1) is installed in the middle of the back cover (4) is relative with face guard (6), sprinkler head (2-4) are installed in the middle of the level of face guard (6) is right, cold air circulation pipe (2-2) are installed to the horizontal both sides of condensing system (2-1), cold air circulation pipe (2-2) are kept away from the end of condensing system (2-1) and are installed second circulation pipe (2-3), second circulation pipe (2-3) and sprinkler head (2-4) mechanical connection.
2. The positive pressure air purifying shield cap of claim 1, wherein: condensing system (2-1) is including power (21), small motor (22), casing (23), little fan (24), ice box (25), gas outlet (26), ice box (25) are installed to casing (23) one end, open the both sides of ice box (25) has gas outlet (26), gas outlet (26) and cold air circulation pipe (2-2) mechanical connection, and be equipped with power (21) on the casing (23) other end inner wall relative with ice box (25), the output shaft and the small fan (24) mechanical connection of small motor (22), small fan (24) are just facing ice box (25), small motor (22) and power (21) mechanical connection, the inner wall of ice box (25) is equipped with the heat preservation.
3. The positive pressure air purifying shield cap of claim 1, wherein: the second flow pipe (2-3) is a folding telescopic pipe.
4. The positive pressure air purifying shield cap of claim 1, wherein: sprinkler (2-4) are equipped with spiral and block up (241), cold air export (242), outlet duct (244) vertical fixation is in the middle of face guard (6) is inside, the end that face guard (6) were kept away from in outlet duct (244) is opened has more than two cold air export (242), and these are on same horizontal plane, outlet duct (244) are equipped with spiral and block up (241) in the middle of being positive, spiral blocks up (241) and outlet duct (244) and adopts threaded connection, spiral blocks up (241) and cold air export (242) and adopts screw-thread fit.
5. The positive pressure air purifying shield cap of claim 4, wherein: an air compression plate (243) is arranged on the outer wall of the air outlet pipe (244) above the cold air outlet (242), an included angle is formed between the air compression plate (243) and the air outlet pipe (244), and the tail end of the air compression plate (243) faces towards the inner wall of the face mask (6).
6. The positive pressure air purification shield and the method of using the same as claimed in any one of claims 1 to 5, wherein:
because the sprinkler heads (2-4) are arranged in the middle of the face mask (6) and the sprinkler heads (2-4) can move up and down at the center of the moving grooves (2-5) according to the five sense organs of the human body, the cold air is prevented from directly acting on eyes and skin, the use safety factor is improved, and because the air pressing plate (243) faces the face mask (6), the face mask does not face the human face, and further does not act on the face, the discomfort is caused, and in the moving process;
because the second flow pipe (2-3) is a telescopic pipe, the second flow pipe can be bent and folded to control, the extension direction can be adjusted, and a cold air pipeline of the sprinkler head (2-4) after moving up and down is not limited, in addition, the area of the exposed cold air outlet (242) can be adjusted by rotating the spiral plug (241) of the sprinkler head (2-4), and further the output air quantity is adjusted, so that the air in the face mask (6) is more comfortable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110161145.XA CN112717291A (en) | 2020-05-31 | 2020-05-31 | Positive pressure air purification protective cover and using method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010481485.6A CN111617399B (en) | 2020-05-31 | 2020-05-31 | Positive pressure air purification protective cover |
| CN202110161145.XA CN112717291A (en) | 2020-05-31 | 2020-05-31 | Positive pressure air purification protective cover and using method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010481485.6A Division CN111617399B (en) | 2020-05-31 | 2020-05-31 | Positive pressure air purification protective cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112717291A true CN112717291A (en) | 2021-04-30 |
Family
ID=72267296
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010481485.6A Active CN111617399B (en) | 2020-05-31 | 2020-05-31 | Positive pressure air purification protective cover |
| CN202110161145.XA Withdrawn CN112717291A (en) | 2020-05-31 | 2020-05-31 | Positive pressure air purification protective cover and using method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010481485.6A Active CN111617399B (en) | 2020-05-31 | 2020-05-31 | Positive pressure air purification protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN111617399B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115671593A (en) * | 2021-07-30 | 2023-02-03 | 佛山市顺德区美的电子科技有限公司 | Mask, anti-condensation control method and device thereof and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2319081Y (en) * | 1998-02-24 | 1999-05-19 | 徐少华 | Dust-proof air cleaning mask |
| CN2631249Y (en) * | 2003-06-12 | 2004-08-11 | 白仁贵 | Medical protective auxiliary association of activity and inertia airing and cooling device |
| US20070095344A1 (en) * | 2005-06-10 | 2007-05-03 | Abernethy Alfred C | High Air Flow Powered Air Purifying Anti-Contamination Device |
| CN2933465Y (en) * | 2006-04-21 | 2007-08-15 | 张克东 | Positive pressure type breath dustproof and protective device |
| CN101496645A (en) * | 2009-03-13 | 2009-08-05 | 李琪 | Health-care mouth and nose mask |
| CN204208209U (en) * | 2014-11-18 | 2015-03-18 | 匡代福 | Anti-poison dust-proof mask |
| CN204766131U (en) * | 2015-07-03 | 2015-11-18 | 西安科技大学 | Protection equipment suitable for electric welding work post |
| CN207562233U (en) * | 2017-10-17 | 2018-07-03 | 陕西中安消防股份有限公司 | Fire escape breathing apparatus |
| CN110250613A (en) * | 2019-04-18 | 2019-09-20 | 佛山市永原针织有限公司 | A kind of haze is ridden mask |
| CN210521180U (en) * | 2019-05-28 | 2020-05-15 | 范桂珍 | Emergency nursing head heat sink |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8616209B2 (en) * | 2010-02-19 | 2013-12-31 | Resmed Limited | Supplemental gas delivery device for mask assembly |
-
2020
- 2020-05-31 CN CN202010481485.6A patent/CN111617399B/en active Active
- 2020-05-31 CN CN202110161145.XA patent/CN112717291A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2319081Y (en) * | 1998-02-24 | 1999-05-19 | 徐少华 | Dust-proof air cleaning mask |
| CN2631249Y (en) * | 2003-06-12 | 2004-08-11 | 白仁贵 | Medical protective auxiliary association of activity and inertia airing and cooling device |
| US20070095344A1 (en) * | 2005-06-10 | 2007-05-03 | Abernethy Alfred C | High Air Flow Powered Air Purifying Anti-Contamination Device |
| CN2933465Y (en) * | 2006-04-21 | 2007-08-15 | 张克东 | Positive pressure type breath dustproof and protective device |
| CN101496645A (en) * | 2009-03-13 | 2009-08-05 | 李琪 | Health-care mouth and nose mask |
| CN204208209U (en) * | 2014-11-18 | 2015-03-18 | 匡代福 | Anti-poison dust-proof mask |
| CN204766131U (en) * | 2015-07-03 | 2015-11-18 | 西安科技大学 | Protection equipment suitable for electric welding work post |
| CN207562233U (en) * | 2017-10-17 | 2018-07-03 | 陕西中安消防股份有限公司 | Fire escape breathing apparatus |
| CN110250613A (en) * | 2019-04-18 | 2019-09-20 | 佛山市永原针织有限公司 | A kind of haze is ridden mask |
| CN210521180U (en) * | 2019-05-28 | 2020-05-15 | 范桂珍 | Emergency nursing head heat sink |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115671593A (en) * | 2021-07-30 | 2023-02-03 | 佛山市顺德区美的电子科技有限公司 | Mask, anti-condensation control method and device thereof and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111617399A (en) | 2020-09-04 |
| CN111617399B (en) | 2021-05-04 |
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Application publication date: 20210430 |
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| WW01 | Invention patent application withdrawn after publication |