CN105797290B - Neck-winding type air purifier - Google Patents
Neck-winding type air purifier Download PDFInfo
- Publication number
- CN105797290B CN105797290B CN201610323754.XA CN201610323754A CN105797290B CN 105797290 B CN105797290 B CN 105797290B CN 201610323754 A CN201610323754 A CN 201610323754A CN 105797290 B CN105797290 B CN 105797290B
- Authority
- CN
- China
- Prior art keywords
- air outlet
- air
- air inlet
- pipe
- outlet pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004804 winding Methods 0.000 title abstract description 3
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 238000004887 air purification Methods 0.000 description 5
- 210000004072 lung Anatomy 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 206010003497 Asphyxia Diseases 0.000 description 1
- 206010016654 Fibrosis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004761 fibrosis Effects 0.000 description 1
- 210000001624 hip Anatomy 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
-
- 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
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Pulmonology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a neck-winding type air purifier, which comprises a face mask matched with the face of an operator, wherein an air inlet is formed in the face mask and connected with one end of an arched shell, the curved contour of the arched shell is matched with the contour of the neck of the operator, a first filtering unit is arranged in the arched shell and communicated with the outside, an induced draft fan is arranged at an air outlet of the first filtering unit, an air outlet of the induced draft fan is communicated with the air inlet of the face mask, an air outlet is also formed in the face mask and connected with the other end of the arched shell, an air outlet of a second filtering unit is also arranged in the arched shell and communicated with the outside, and an air outlet of the second filtering unit is communicated with the outside. The operation personnel can conveniently wear equipment on the neck, and the wearing mode is simple, and in the air introduction face guard after the draught fan will be clean, introduce the second filter unit through the air outlet from the face guard again for the air current of whole clarifier forms a local open-type return circuit system, avoids because the too big problem that causes draught fan efficiency to reduce of face guard partial pressure that the operation personnel breathed and cause, improves the comfort level that the face guard was worn.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to a neck-wound air purifier.
Background
Under the high-dust operating environment of coal mines, quarries, cement plants, buildings, metallurgy and the like, the respiratory tract system of operators is greatly damaged, and if the operators under the operating environment do not have effective protective measures, the lung tissues of the operators are subjected to diffuse fibrosis lesion to form dust lungs after excessive dust is deposited in the alveoli in the respiratory tract system of the operators, so that the dust lungs can be seriously killed. In view of the above problems, operators in the above working environment are generally equipped with dust masks, while ordinary filtering masks are not suitable for working conditions with high dust content, and still have many problems for air supply masks, for example, because the safety of batteries and fans cannot be used in high dust (explosive environment) places such as underground coal mines, the air supply masks are basically provided with air purification parts at the waists of the operators, which is not only not comfortable to wear, but also hinders normal work. If when the fan power of choosing is lower, the operation personnel can appear the air feed not enough and produce the feeling of holding breath, wear the travelling comfort and seriously reduce, if when the fan power of choosing is higher, the noise of fan just is great, also can influence the travelling comfort of wearing.
Disclosure of Invention
The invention aims to provide a neck-wound air purifier which is convenient for operators to wear and improves the wearing comfort of the air purifier.
The technical scheme adopted by the invention for solving the technical problems is as follows: around neck formula air purifier, include with operation personnel face complex face guard, be provided with the air intake on the face guard and be connected with the one end of hunch shape shell, the crooked profile of hunch shape shell is coincide with operation personnel's neck profile, is provided with first filter unit in the hunch shape shell, and first filter unit's air inlet and external intercommunication, first filter unit's air outlet department are provided with the draught fan, the air outlet of draught fan and the air intake intercommunication of face guard, still be provided with the air outlet on the face guard and be connected with the other end of hunch shape shell, still be provided with the second filter unit in the hunch shape shell, the air inlet and the air outlet intercommunication of second filter unit, the air outlet and the external intercommunication of second filter unit.
The invention also has the following technical characteristics:
still be provided with the breather valve on the face guard, the breather valve is the check valve and switches on the direction and is pointed to external by the face guard.
First play tuber pipe and first air-supply line are set to respectively at the both ends of arched shell, extension on the face guard is provided with second air-supply line and second play tuber pipe, the mouth of pipe that second air-supply line and second go out the tuber pipe constitutes air intake and air outlet respectively, first play tuber pipe constitutes the cooperation of pegging graft with the second air-supply line, first air-supply line goes out the tuber pipe with the second and constitutes the cooperation of pegging graft, first play tuber pipe and first air-supply line communicate with first filter unit's gas outlet and second filter unit air inlet respectively.
The first air outlet pipe and the second air inlet pipe are respectively provided with a first magnetic ring at the pipe orifice position, the first air inlet pipe and the second air outlet pipe are respectively provided with a second magnetic ring at the pipe orifice, the first air outlet pipe and the first air inlet pipe are respectively provided with a locking piece, and the locking pieces respectively form clamping cooperation with the second air inlet pipe and the second air outlet pipe.
The retaining member is including the articulated cardboard that sets up on first air-out pipe and second air-supply line, be provided with the spring on the outer wall of the first air-out pipe of cardboard and second air-supply line respectively, the one end of spring is connected with the face of cardboard, the cardboard respectively with second air-supply line and second air-out constitute the joint cooperation with the lug that sets up on the pipe.
The face guard is provided with an opening, the breather valve comprises a cover door, the cover door is made of plastic materials or rubber materials, a cover door cover is arranged on the opening, and the upper end of the cover door is connected with the face guard through an elastic rubber column.
The pipe sections of the first air outlet pipe and the first air inlet pipe are wavy, and the pipe bodies of the first air outlet pipe and the first air inlet pipe are made of food-grade rubber materials.
Be provided with first cavity in the hunch shape shell, first filter unit is provided with the air inlet filter cartridge including setting up the first filter core at first cavity on the first cavity, and the air inlet filter cartridge constitutes detachable the connection with hunch shape shell, and the side of first cavity still is provided with the second cavity, be provided with first cavity and the second cavity intercommunication of draught fan in the second cavity, be provided with air outlet and first tuber pipe lumen intercommunication on the second cavity.
Still be provided with the third chamber in the arched shell, second filter unit is provided with air intake and first air-supply line intercommunication including setting up the second filter core in the third chamber on the third chamber.
Still be provided with lithium cell group in the arched shell, still be provided with control panel, bluetooth module, power expansion interface on the arched shell, control panel is used for showing electric quantity, dust collection efficiency and outside dust degree information, and bluetooth module is used for being connected with the cell-phone, and power expansion interface is used for connecting expansion power.
Compared with the prior art, the invention has the beneficial effects that: the connection mode of the arched shell and the face mask is adopted, so that an operator can conveniently wear the equipment on the neck, the wearing mode is simple, the induced draft fan introduces the air cleaned by the first filtering unit into the air inlet of the face mask, when the user exhales, the excessive gas is discharged from the air outlet instantly, so as to avoid the condition that the working efficiency of the induced draft fan is reduced and even the induced draft fan stops working, thereby avoiding the problem that the air output of the induced draft fan to the mask is reduced, the air discharged from the air outlet enters the second filtering unit, thereby the air flow in the face mask forms a local open system, the main action principle is to maintain the continuous output power of the fan, ensure the air supply quantity, avoid the over-high local pressure of the local face mask caused by the breathing of the operating personnel, the problem that draught fan work efficiency reduces is made, and then the phenomenon of avoiding breathing out appears to improve the comfort level that the face guard was worn.
Drawings
FIG. 1 is a schematic structural view of a neck-wrap air purifier;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic view of the structure of the breather valve;
FIG. 4 is a schematic structural view of the retaining member;
FIG. 5 is a cut-away view of the retaining member.
Detailed Description
Referring to fig. 1 to 5, the structural features of the present invention are detailed as follows:
around neck formula air purifier, include with operation personnel face complex face guard 10, be provided with air intake 11 on the face guard 10 and be connected with the one end of hunch shape shell 20, the crooked profile of hunch shape shell 20 is anastomotic with operation personnel's neck profile, is provided with first filter unit in the hunch shape shell 20, and first filter unit's air inlet and external intercommunication, first filter unit's air outlet department are provided with draught fan 60, draught fan 60's air outlet and face guard 10's 11 intercommunications of air intake, still be provided with air outlet 12 on the face guard 10 and be connected with hunch shape shell 20's the other end, still be provided with the second filter unit in the hunch shape shell 20, the air inlet and the air outlet 12 intercommunications of second filter unit, second filter unit's gas outlet and external intercommunication.
Referring to fig. 1, the connection mode of the arch-shaped shell 20 and the face mask 10 is adopted, an operator can conveniently wear the air purification device on the neck, the wearing mode is simple, the draught fan 60 introduces the cleaned air into the air inlet 11 of the face mask 10 through the first filtering unit, and then introduces the cleaned air into the second filtering unit through the air outlet 12 from the face mask 10, so that the air flow of the whole air purifier forms a local open system, when the operator breathes, the draught fan 60 can reduce the working efficiency due to the local positive pressure, and therefore the air input of the air inlet 11 is insufficient, the operator can generate a short-time air-holding phenomenon, and further the wearing comfort is affected, just the two ends of the face mask 10 are respectively communicated with the filtering units, the local positive pressure in the face mask 10 can be instantly removed, and the phenomenon that the power of the draught fan 60 is reduced or stopped is avoided, the uncomfortable feeling of the wearing person caused by suffocation is slowed down or avoided, and the wearing comfort of the air purification equipment is improved.
As a preferable aspect of the present invention, in order to further improve the wearing comfort of the worker, the face mask 10 is further provided with a breather valve 30, and the breather valve 30 is a one-way valve and the conduction direction is directed from the face mask 10 to the outside. The pressure in the face mask 10 can be further released by utilizing the one-way conduction function of the breather valve 30, so that the face mask 10 is always in a natural atmospheric pressure state, the induced draft fan 60 is always in a working state, and the wearing comfort of an operator is further ensured; the breather valve 30 only plays a role of auxiliary exhaust, and the main role of maintaining the atmospheric pressure is to open the air outlet 12 on the face mask 10.
For further make things convenient for operation personnel's the operation of wearing, first tuber pipe 21 and first air-supply line 22 are set to respectively at the both ends of arch shell 20, extension on the face guard 10 is provided with second air-supply line 13 and second air-supply line 14, the mouth of pipe that second air-supply line 13 and second air-supply line 14 go out constitutes air intake 11 and air outlet 12 respectively, first tuber pipe 21 constitutes the cooperation of pegging graft with second air-supply line 13, first air-supply line 22 goes out tuber pipe 14 with the second and constitutes the cooperation of pegging graft, first tuber pipe 21 and first air-supply line 22 communicate with first filter unit's gas outlet and second filter unit air inlet respectively. In the actual wearing process, firstly, the arch-shaped shell 20 is sleeved on the neck, so that the first air outlet pipe 21 and the first air inlet pipe 22 at the two ends of the arch-shaped shell 20 are in a hanging state, then the face mask 10 is worn on the face, the second air inlet pipe 13 and the second air outlet pipe 14 of the face mask 10 respectively form a splicing fit with the first air outlet pipe 21 and the first air inlet pipe 22, the induced draft fan 60 is started, and the air purifier with the structure can operate.
As a more preferable scheme of the present invention, the first air outlet pipe 21 and the second air outlet pipe 13 are respectively provided with a first magnetic ring 41 at the pipe orifice position, the first air outlet pipe 22 and the second air outlet pipe 14 are respectively provided with a second magnetic ring 42 at the pipe orifice position, the first air outlet pipe 21 and the first air outlet pipe 22 are respectively provided with a locking member 50, and the locking member 50 is respectively in clamping fit with the second air outlet pipe 13 and the second air outlet pipe 14. By adopting magnetic guidance, in the using process, the first magnetic ring 41 and the second magnetic ring 42 are utilized to more conveniently implement the splicing of the second air inlet pipe 13 and the second air outlet pipe 14 of the face mask 10 with the first air outlet pipe 21 and the first air inlet pipe 22, the connection between the face mask 10 and the arch-shaped shell 20 can be accurately implemented, and the operation is very convenient. The first magnetic ring 41 and the second magnetic ring 42 can also effectively ensure that the second air inlet pipe 13 and the second air outlet pipe 14 of the face mask 10 are in plug fit with the first air outlet pipe 21 and the first air inlet pipe 22, so as to prevent external high-dust air from entering the face mask 10, and the locking member 50 is utilized to realize the fastening connection of the first air outlet pipe 21 and the first air inlet pipe 22, and the second air inlet pipe 13 and the second air outlet pipe 14, so as to avoid the loosening phenomenon.
More preferably, retaining member 50 is including articulated cardboard 51 of setting on first tuber pipe 21 and second air-supply line 13, is provided with spring 52 on the outer wall of first tuber pipe 21 and second air-supply line 13 respectively, the one end of spring 52 is connected with cardboard 51's face, and cardboard 51's joint constitutes the joint cooperation with second air-supply line 13 and the lug 53 that sets up on the second tuber pipe 14 respectively, still articulates on cardboard 51 and is provided with snap ring 54, the articulated shaft of snap ring 54 is parallel with cardboard 51's articulated shaft, and snap ring 54 is used for the cover to establish lug 53.
The upper end of the cover door 31 is connected with the face mask 10 through an elastic rubber column 32. The breather valve 30 of the above structure is similar to a single-door structure, and when the mask 10 is in a normal pressure state, the door 31 is in a closed state, and outside air cannot enter the mask 10, and when the pressure in the mask 10 is in a positive pressure state, the door 31 is opened, thereby performing pressure relief.
Because the head contour dimension of different people is different, in order to adapt to wearing of different people, the wearing commonality of this clarifier is ensured, the pipe cross-section of first tuber pipe 21 and second air-supply line 13 becomes the wave, and the pipe shaft of first tuber pipe 21 and second air-supply line 13 adopts food level elastic rubber material to make to can prolong or reduce whole air purification system's size, and then adapt to wearing of different operation personnel.
More specifically, be provided with first cavity 201 in the hunch shell 20, first filter unit is provided with the air inlet cartridge including setting up the first filter core 71 at first cavity 201 on the first cavity 201, and the air inlet cartridge constitutes detachable the connection with hunch shell 20, and the side of first cavity 201 still is provided with second cavity 202, be provided with the first cavity 201 of draught fan 60 and second cavity 202 intercommunication in the second cavity 202, be provided with air outlet and the 21 lumen intercommunication of first tuber pipe on the second cavity 202.
A third chamber 203 is further arranged in the arch-shaped shell 20, the second filter unit comprises a second filter element 81 arranged in the third chamber 203, and an air inlet which is communicated with the first air inlet pipe 22 is arranged on the third chamber 203.
Still be provided with lithium cell group 90 in the arched shell 20, still be provided with control panel, bluetooth module, power expansion interface on the arched shell 20, control panel is used for showing electric quantity, dust collection efficiency and outside dust degree information, and bluetooth module is used for being connected with the cell-phone, and power expansion interface is used for connecting expansion power supply 80.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (5)
1. Around neck formula air purifier includes with operation personnel face complex face guard (10), its characterized in that: the face mask is characterized in that an air inlet (11) is formed in the face mask (10) and is connected with one end of an arch shell (20), the bending contour of the arch shell (20) is matched with the contour of the neck of an operator, a first filtering unit is arranged in the arch shell (20), the air inlet of the first filtering unit is communicated with the outside, an induced draft fan (60) is arranged at the air outlet of the first filtering unit, the air outlet of the induced draft fan (60) is communicated with the air inlet (11) of the face mask (10), an air outlet (12) is further formed in the face mask (10) and is connected with the other end of the arch shell (20), a second filtering unit is further arranged in the arch shell (20), the air inlet of the second filtering unit is communicated with the air outlet (12), and the air outlet of the second filtering unit is communicated with the outside;
the mask (10) is also provided with a breather valve (30), the breather valve (30) is a one-way valve, and the conduction direction of the breather valve is directed to the outside from the mask (10);
the two ends of the arched shell (20) are respectively provided with a first air outlet pipe (21) and a first air inlet pipe (22), a second air inlet pipe (13) and a second air outlet pipe (14) are arranged on the face mask (10) in an extending mode, pipe orifices of the second air inlet pipe (13) and the second air outlet pipe (14) respectively form an air inlet (11) and an air outlet (12), the first air outlet pipe (21) and the second air inlet pipe (13) form a splicing fit, the first air inlet pipe (22) and the second air outlet pipe (14) form a splicing fit, and the first air outlet pipe (21) and the first air inlet pipe (22) are respectively communicated with an air outlet of the first filtering unit and an air inlet of the second filtering unit;
the positions of the pipe orifices of the first air outlet pipe (21) and the second air outlet pipe (13) are respectively provided with a first magnetic ring (41), the pipe orifices of the first air inlet pipe (22) and the second air outlet pipe (14) are respectively provided with a second magnetic ring (42), locking pieces (50) are respectively arranged on the first air outlet pipe (21) and the first air inlet pipe (22), and the locking pieces (50) are respectively in clamping fit with the second air inlet pipe (13) and the second air outlet pipe (14);
the locking piece (50) comprises a clamping plate (51) which is hinged to a first air outlet pipe (21) and a second air inlet pipe (13), springs (52) are arranged on the outer walls of the first air outlet pipe (21) and the second air inlet pipe (13) respectively, one end of each spring (52) is connected with the surface of the corresponding clamping plate (51), a clamping joint of each clamping plate (51) is in clamping fit with a convex block (53) arranged on the second air inlet pipe (13) and the second air outlet pipe (14) respectively, a clamping ring (54) is further hinged to the corresponding clamping plate (51), a hinge shaft of the clamping ring (54) is parallel to a hinge shaft of the corresponding clamping plate (51), and the clamping ring (54) is used for sleeving the convex block (53);
still be provided with third chamber (203) in the hunch shape shell (20), second filter unit is provided with air intake and first air-supply line (22) intercommunication including setting up second filter core (81) in third chamber (203) on third chamber (203).
2. A neck-around air cleaner according to claim 1, wherein: be provided with opening (101) on face guard (10), breather valve (30) are including lid door (31), lid door (31) are made by plastic material or rubber materials, and lid door (31) lid is established on this opening (101), and the upper end and face guard (10) of lid door (31) are connected through elastic rubber post (32).
3. A neck-around air cleaner according to claim 2, wherein: the pipe sections of the first air outlet pipe (21) and the first air inlet pipe (22) are wavy, and the pipe bodies of the first air outlet pipe (21) and the first air inlet pipe (22) are made of food-grade rubber materials.
4. A neck-around air cleaner according to claim 1, wherein: be provided with first cavity (201) in hunch shape shell (20), first filter unit is provided with the air inlet filter cartridge including setting up first filter core (71) in first cavity (201) on first cavity (201), and the air inlet filter cartridge constitutes detachable the connection with hunch shape shell (20), and the side of first cavity (201) still is provided with second cavity (202), be provided with draught fan (60) first cavity (201) and second cavity (202) intercommunication in second cavity (202), be provided with air outlet and first play tuber pipe (21) lumen intercommunication on second cavity (202).
5. A neck-around air cleaner according to claim 1, wherein: still be provided with lithium cell group (90) in arched shell (20), still be provided with control panel, bluetooth module, power expansion interface on arched shell (20), control panel is used for showing electric quantity, dust collection efficiency and outside dust degree information, and bluetooth module is used for being connected with the cell-phone, and power expansion interface is used for connecting expansion power supply (80).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323754.XA CN105797290B (en) | 2016-05-13 | 2016-05-13 | Neck-winding type air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610323754.XA CN105797290B (en) | 2016-05-13 | 2016-05-13 | Neck-winding type air purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105797290A CN105797290A (en) | 2016-07-27 |
| CN105797290B true CN105797290B (en) | 2021-11-02 |
Family
ID=56452382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610323754.XA Expired - Fee Related CN105797290B (en) | 2016-05-13 | 2016-05-13 | Neck-winding type air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105797290B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833441A (en) * | 2016-06-13 | 2016-08-10 | 北京随能科技有限公司 | Neck-hanging type air purification system |
| CN106388074A (en) * | 2016-09-09 | 2017-02-15 | 苏州美瑞康医疗科技有限公司 | Garment having air cleaning function |
| CN106693226A (en) * | 2016-12-26 | 2017-05-24 | 大连理工大学 | A face mask with expanded filtering range |
| CN106823179A (en) * | 2017-02-28 | 2017-06-13 | 上海朗沁投资管理有限公司 | Neck wears formula controller and air cleaning facility |
| CN107693978A (en) * | 2017-10-31 | 2018-02-16 | 黔南民族师范学院 | A kind of active multifunctional filtering mouth mask |
| GB2575815B (en) | 2018-07-23 | 2020-12-09 | Dyson Technology Ltd | A wearable air purifier |
| GB2575812B (en) | 2018-07-23 | 2020-12-09 | Dyson Technology Ltd | A wearable air purifier |
| GB2579777B (en) * | 2018-12-12 | 2021-06-16 | Dyson Technology Ltd | Air treatment apparatus |
| CN111330173B (en) * | 2020-03-09 | 2022-04-22 | 济南鑫贝西生物技术有限公司 | Medical face protection breathing machine |
| CN111408079B (en) * | 2020-04-27 | 2025-01-10 | 浙江兴昌风机有限公司 | A protective disinfection device |
| CN111772267A (en) * | 2020-07-10 | 2020-10-16 | 深圳市铁幕电子竞技科技有限公司 | A kind of personal air purifier and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003099385A1 (en) * | 2002-05-29 | 2003-12-04 | Templeton Randall D | Respirator hood assembly |
| CN1864766B (en) * | 2006-04-07 | 2010-07-14 | 李治中 | Postpositioned duplex self-absorptive filter face mask capable of connecting with a self-rescuing respirator |
| WO2011006206A1 (en) * | 2009-07-17 | 2011-01-20 | Paftec Holdings Pty Ltd | Respirator |
| CN203989554U (en) * | 2014-05-28 | 2014-12-10 | 张毅林 | A kind of mouth mask breather valve |
| CN105167251A (en) * | 2015-09-07 | 2015-12-23 | 王勇 | Dust-proof anti-odor anti-smog electronic face mask with built-in fan capable of being rapidly disassembled |
| CN205586387U (en) * | 2016-05-13 | 2016-09-21 | 秦小坤 | Around neck formula air purifier |
-
2016
- 2016-05-13 CN CN201610323754.XA patent/CN105797290B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105797290A (en) | 2016-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105797290B (en) | Neck-winding type air purifier | |
| KR102173429B1 (en) | Oxygen-Enhanced Fine Dust Removal Mask | |
| WO2018012724A1 (en) | Portable air cleaner | |
| CN106422104A (en) | Wearable breathing device | |
| CN105617565A (en) | Filtration type breathing mask | |
| CN204032441U (en) | Breathe comfortable source of supplying gas mouth mask | |
| CN205586387U (en) | Around neck formula air purifier | |
| CN103394174A (en) | Portable breathing air filter | |
| CN205182026U (en) | An electric air-supply ventilator | |
| CN101920077A (en) | Air feeder and clean air feeder | |
| CN205586379U (en) | Wearable air purifier | |
| CN106924898A (en) | A kind of wearable air cleaning system for being integrated in clothes | |
| CN210747484U (en) | Underground working helmet for miner | |
| CN208465003U (en) | A kind of mining powered air-purifying formula anti-dust mask | |
| CN114191733A (en) | Open air supply dustproof respirator based on effective suction area of human body | |
| CN202223780U (en) | Novel filter dust mask | |
| CN206043528U (en) | A kind of haze fresh air mask | |
| CN205569540U (en) | Portable high -efficient air purifier of scarf formula | |
| CN201260851Y (en) | Gas supply-block type dustproof breathing mask | |
| KR200150250Y1 (en) | A portable air filtering and breathing device | |
| CN205586380U (en) | Individual air purification system | |
| CN204106887U (en) | A kind of passive mouth mask of supplying gas | |
| CN204838108U (en) | Open gauze mask of one -way gas transmission | |
| CN201294878Y (en) | Dust mask | |
| CN210933492U (en) | Respiratory filter for preventing silicosis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |