CN203790465U - Portable personal air treatment apparatus - Google Patents
Portable personal air treatment apparatus Download PDFInfo
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- CN203790465U CN203790465U CN201420138238.6U CN201420138238U CN203790465U CN 203790465 U CN203790465 U CN 203790465U CN 201420138238 U CN201420138238 U CN 201420138238U CN 203790465 U CN203790465 U CN 203790465U
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- air
- face shield
- connecting pipe
- treatment main
- elastic force
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Abstract
The utility model belongs to the technical field of air treatment apparatuses and particularly relates to a portable personal air treatment apparatus comprising a mask, an air treatment main unit, a connecting tube line and a wearable portion. The mask is communicated with the air treatment main unit through the connecting tube line. The wearable portion is connected with the mask. The mask comprises a mask body, air inlets, an air outlet, and a soft edge; both the air inlets and the air outlet are arranged in the mask body; the soft edge is arranged on the inner side of the mask body. Positive pressure and laminar flow of air purified by the air treatment main unit prevent any external fouling air from directly entering the human respiratory system from gaps, so that the defects that wearing the traditional mask to prevent air pollution causes unsmooth breathing and produces no filtering effect on PM2.5 particles are overcome; the PM2.5 particles in the air can be prevented from being inhaled effectively.
Description
Technical field
The utility model belongs to air processor technical field, relates in particular to a kind of Portable, personal air processor.
Background technology
Along with the quickening of process of industrialization, atmosphere pollution increases the weight of day by day, and the healthy of people in air pollution serious threat.World Health Organization estimates: air pollution approximately causes global 200d ten thousand people early dead every year, the wherein developing country that occurs in over half; Inhalable particles content is reduced to 20 micrograms from every cubic metre of 70 micrograms, just can make the annual associated death number in Polluted Urban reduce 15%; Every inhalable particles content minimizing 40%, long-term mortality all can reduce 6%.In air, suspension is distinguished with the size of particle conventionally, and central inhalable particles can affect human body.These respirable suspended particulates can also be subdivided into PM10 again and PM2.5 two classes: PM10(is that diameter is less than 10 microns) particle, this particle can not be stopped by the defense mechanism of health, with the lung that goes directly, so very dangerous; The particle of PM2.5 is more dangerous than PM10's, because its particle is less than 2.5 microns, can penetrates alveolar and arrive blood.
All the time, people adopt traditional mouth mask as Portable civil sanitary apparatus, mouth mask is popular essential product under severe air conditions, as the trip of dust storm sky, hospital's health, indoor/outdoor work, smog environment etc., all need to put on mouth mask, to avoid dust, bacterium etc. are invaded human body in a large number by respiratory tract.But traditional mouth mask has following shortcoming: 1) sultry, traditional mouth mask is to make of the various clothes that have a simple filtration function, covers mouth and nose, inevitably impact face heat radiation, summer more so.2) gas permeability is poor, though there is certain filtering function, strainability is better, and gas permeability is poorer, makes us unsmooth breath and feeling oppressed, and breathes and must more exert oneself when normal, so more painful in the time of motion and manual labor.3) facial stickiness is poor, is gap while wearing everywhere, and the dirty air of a large amount of filtered all enters human respiratory by gap.4) strainability is limited, although traditional mouth mask improves performance by adding the interlayers such as disinfectant/active carbon, but effect is quite limited, medicament is difficult to the kill bacteria in a flash in bacterium process, though and active carbon has the ability of absorption peculiar smell, active carbon to add when too many can to affect gas permeability, while adding less, air only passes through skim active carbon, and its contact-making surface is limited, thereby has reduced the effect of absorption peculiar smell.5) for the haze below very harmful PM2.5, common mouth mask does not possess filter capacity, but the mouth mask made from HEPA filter material can make us expiratory dyspnea, in general breathing situation, can not wear lastingly.6) mouth mask is disposable use mostly, and not environmental protection needs while use for a long time often to change, otherwise also easy breed bacteria.
Utility model content
The purpose of this utility model is: for the deficiencies in the prior art, and provide a kind of Portable, personal air processor, this air processor is for substituting traditional mouth mask, the unsmooth breath that solution produces in the time preventing air pollution with mouth mask and PM2.5 particle is not almost had to the drawbacks such as filtration, can effectively prevent that in air, PM2.5 particle sucks human body; And solve people's injury that in air, harmful substance causes human body under sandstorm, serious haze weather and serious air pollution environment.
For achieving the above object, the utility model adopts following technical scheme: a kind of Portable, personal air processor, comprise face shield, air-treatment main frame, connecting pipe and wear part, described face shield is communicated with described air-treatment main frame by described connecting pipe, the described part of wearing is connected with described face shield, described face shield comprises face shield body, air admission hole, venthole and soft fringing, described air admission hole and described venthole are all arranged at described face shield body, and described soft fringing is arranged at the inner side of described face shield body.The coverage of described face shield can comprise the full-face of forehead to chin, or only covers nose and mouth; Semi-enclosed inner space of its formation is about the above capacity of tens of milliliters, does not need strict laminating face.
One as Portable, personal air processor described in the utility model is improved, described air-treatment main frame comprises shell, fan, the first screen pack, the second screen pack and battery, described shell is provided with fresh air inlet and exhaust vent, described fresh air inlet is set to multiple, multiple described fresh air inlets are distributed in the surface of described shell uniformly, described battery, described the second screen pack, described the first screen pack and described fan are set in turn in described shell, and described battery and the electric connection of described fan.
Improve as the one of Portable, personal air processor described in the utility model, described in wear part and comprise ear's elastic force lanyard, described ear elastic force lanyard is connected with described face shield; Described air-treatment main frame is set to one, described connecting pipe comprises the first connecting pipe, the second connecting pipe and the 3rd connecting pipe, one end of described the first connecting pipe is communicated with an above-mentioned air-treatment main frame, the other end of described the first connecting pipe is communicated with described face shield, described the 3rd connecting pipe is communicated with described face shield by described the second connecting pipe, and two free ends of described the 3rd connecting pipe are communicated with an above-mentioned air-treatment main frame; Described air admission hole is arranged at the below of described face shield body, and described venthole is arranged at the top of described face shield body.
One as Portable, personal air processor described in the utility model is improved, the described part of wearing comprises ear's elastic force lanyard and elastic force headband, described air-treatment main frame is set to two, two described air-treatment main frames connect by described elastic force headband, two described air-treatment main frames are connected with the lower end of described face shield body by described ear elastic force lanyard respectively, and two described air-treatment main frames are also communicated with the upper end of described face shield body by described connecting pipe respectively; Described air admission hole is arranged at the top of described face shield body, and described venthole is arranged at the below of described face shield body.
One as Portable, personal air processor described in the utility model is improved, the described part of wearing comprises VELCRO or elastic force rope band, described air-treatment main frame is set to two, one end of two described air-treatment main frames is communicated with the upper end of described face shield by described connecting pipe respectively, described face shield is set to transparent mode face shield, and the other end of two described air-treatment main frames is connected with described VELCRO or described elastic force rope band respectively.
One as Portable, personal air processor described in the utility model is improved, the described part of wearing comprises VELCRO or elastic force rope band, described air-treatment main frame is set to one, one end of described air-treatment main frame is communicated with a upper end of described face shield by described connecting pipe, the other end of described air-treatment main frame is connected with described VELCRO or described elastic force rope band, described VELCRO or described elastic force rope band are connected with described another upper end of face shield, and described face shield is set to transparent mode face shield.
One as Portable, personal air processor described in the utility model is improved, and the inwall of described connecting pipe or outer wall are attached with the curved arc shape headband that shrinks back elastic force.
One as Portable, personal air processor described in the utility model is improved, and described air admission hole and described venthole are all set to through hole.
One as Portable, personal air processor described in the utility model is improved, and the inwall of described face shield body is provided with air guide structure.
One as Portable, personal air processor described in the utility model is improved, and the outer wall of described face shield body is coated with reflective membrane or uvioresistant film.
The beneficial effects of the utility model are: the utility model comprises face shield, air-treatment main frame, connecting pipe and wears part, face shield is communicated with air-treatment main frame by connecting pipe, wearing part is connected with face shield, face shield is communicated with air-treatment main frame by connecting pipe, wears part and is connected with face shield; Face shield comprises face shield body, air admission hole, venthole and soft fringing, and air admission hole and venthole are all arranged at face shield body, and soft fringing is arranged at the inner side of face shield body.Positive air pressure and laminar flow effect that air after purifying by the utility model air-treatment main frame produces, avoid any extraneous foul atmosphere directly to enter people's respiratory system through gap, solve the unsmooth breath producing with traditional mouth mask and PM2.5 particle has not almost been had to the drawbacks such as filtration in the time preventing air pollution, effectively having prevented that in air, PM2.5 particle sucks human body; And solve people's injury that in air, harmful substance causes human body under sandstorm, serious haze weather and serious air pollution environment.
Brief description of the drawings
Fig. 1 is one of structural representation of the utility model detailed description of the invention 1.
Fig. 2 be the utility model detailed description of the invention 1 structural representation two.
Fig. 3 is air-treatment main machine structure schematic diagram of the present utility model.
Fig. 4 is the schematic diagram of wearing of the utility model detailed description of the invention 1.
Fig. 5 is one of structural representation of the utility model detailed description of the invention 2.
Fig. 6 be the utility model detailed description of the invention 2 structural representation two.
Fig. 7 is the schematic diagram of wearing of the utility model detailed description of the invention 2.
Fig. 8 is one of structural representation of the utility model detailed description of the invention 3.
Fig. 9 be the utility model detailed description of the invention 3 structural representation two.
Figure 10 is the schematic diagram of wearing of the utility model detailed description of the invention 3.
Figure 11 is the structural representation of the utility model detailed description of the invention 4.
Detailed description of the invention
Below in conjunction with detailed description of the invention and Figure of description, the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
detailed description of the invention 1,as shown in Fig. 1 ~ 4, a kind of Portable, personal air processor, comprise face shield 1, air-treatment main frame 2, connecting pipe 3 and wear part 4, face shield 1 is communicated with air-treatment main frame 2 by connecting pipe 3, the length of connecting pipe 3 and diameter can arrange arbitrarily, wear part 4 and be connected with face shield 1, wearing part 4 can arrange according to user's demand, wears convenience and practical to realize this utility model.Face shield 1 comprises face shield body 11, air admission hole 12, venthole 13 and soft fringing 14, and air admission hole 12 and venthole 13 are all arranged at face shield body 11, and soft fringing 14 is arranged at the inner side of face shield body 11.Face shield 1 can be with transparent or opaque PU, PP, PC and PMMA materials processing, and soft fringing 14 can be made with the flexible glue of various materials or expanded material, while wearing, can automatically adapt to facial fluctuations, and above-mentioned material is not limited to above several.Air-treatment main frame 2 comprises shell 21, fan 22, the first screen pack 23, the second screen pack 24 and battery 25, the first screen pack 23 is set to HEPA screen pack, the second screen pack 24 is configured such that with HEPA, active carbon, photocatalyst, anion is the screen pack of the various air-treatment modes such as Electrostatic Absorption even, the precision that it can filter as required and free setting, shell 21 is provided with fresh air inlet 211 and exhaust vent 212, fresh air inlet 211 is set to multiple, multiple fresh air inlets 211 are distributed in the surface of shell 21 uniformly, battery 25, the second screen pack 24, the first screen pack 23 and fan 22 are set in turn in shell 21, and battery 25 is electrically connected with fan 22.The utility model improves targetedly by the shortcoming to traditional mouth mask, its air-treatment main frame 2 has the function of air-supply, can allow air stream after air-treatment main frame 2, again in connecting pipe 3 flows to face shield 1, thereby the air of purification is delivered to human face, solved the injury that in air, harmful substance causes human body.
Preferably, wear part 4 and comprise ear's elastic force lanyard 41, ear's elastic force lanyard 41 is connected with face shield 1, air-treatment main frame 2 is set to one, connecting pipe 3 comprises the first connecting pipe 31, the second connecting pipe 32 and the 3rd connecting pipe 33, one end of the first connecting pipe 31 is communicated with an above-mentioned air-treatment main frame 2, the other end of the first connecting pipe 31 is communicated with face shield 1, the 3rd connecting pipe 33 is communicated with face shield 1 by the second connecting pipe 32, and two free ends of the 3rd connecting pipe 33 are communicated with an above-mentioned air-treatment main frame 2, the 3rd connecting pipe 33 is served as extension lavaliere cord simultaneously, can hang over people's neck, make air-treatment main frame 2 be placed in front, air admission hole 12 is arranged at the below of face shield body 11, its air admission hole 12 obtains shape and is elongate aligned, pasting the mobile air stream of face shield 1 to obtain, venthole 13 is arranged at the top of face shield body 11, and what the shape of its venthole 13 was corresponding is also elongate aligned, effectively discharges the carbon dioxide that people breathes out, usually, air admission hole 12 and venthole 13 are all set to through hole, or by being provided with unidirectional non-return air valve in air admission hole 12 and venthole 13, can prevent like this refluence of gas.
Preferably, the inwall of face shield body 11 is provided with air guide structure, air in can opposite cover body 11 carries out wind-guiding, for discharging faster, people gives off carbon dioxide and unnecessary air, and the outer wall of face shield body 11 is coated with reflective membrane or uvioresistant film, after wearing except air cleaning protection, also prevented UV on skin simultaneously, again, the outer wall of face shield body 11 can also be provided with color/decorative pattern or the pattern for decorating, and has improved face shield 1 attractive in appearance.
detailed description of the invention 2,as shown in Fig. 5 ~ 7, different from detailed description of the invention 1: the part 4 of wearing of present embodiment comprises ear's elastic force lanyard 41 and elastic force headband 42, air-treatment main frame 2 is set to two, two air-treatment main frames 2 connect by elastic force headband 42, two air-treatment main frames 2 are worn over people's head just as earphone, but also can be hidden in cap or inner helmet, be worn on the head, make the utility model have more practicality, two air-treatment main frames 2 are connected with the lower end of face shield body 11 by ear's elastic force lanyard 41 respectively, two air-treatment main frames 2 are also communicated with the upper end of face shield body 11 by connecting pipe 3 respectively, air admission hole 12 is arranged at the top of face shield body 11, venthole 13 is arranged at the below of face shield body 11, the position that air admission hole 12 and venthole 13 arrange is just contrary with venthole 13 setting positions with the air admission hole 12 of detailed description of the invention 1, the position of air admission hole 12 and venthole 13 can arrange arbitrarily, can be positioned at face shield body 11 fronts, side, top or bottom all can, airflow direction can be for from top to bottom or from bottom to top.
Other structure is identical with detailed description of the invention 1, repeats no more here.
detailed description of the invention 3,as shown in Fig. 8 ~ 10, different from detailed description of the invention 1: the part 4 of wearing of present embodiment comprises VELCRO 43 or elastic force rope band (not shown), air-treatment main frame 2 is set to two, one end of two air-treatment main frames 2 is communicated with the upper end of face shield 1 by connecting pipe 3 respectively, the inwall of connecting pipe 3 or outer wall are attached with the curved arc shape headband (not shown) that shrinks back elastic force, this headband makes connecting pipe 3 and air-treatment main frame 2 ecto-entads clamp people's head, realizes and wears function.Certainly connecting pipe 3 itself has the words that shrink back elastic force, just do not need to have designed this headband, face shield 1 is set to transparent mode face shield, so that the utility model hides the enforcement that full face mode is worn, the other end of two air-treatment main frames 2 is connected with VELCRO 43 or elastic force rope band respectively, wear to adapt to different human body size, realized and having worn conveniently.
Other structure is identical with detailed description of the invention 1, repeats no more here.
detailed description of the invention 4,as shown in figure 11, different from detailed description of the invention 3: present embodiment is worn part 4 and comprised VELCRO 43 or elastic force rope band, air-treatment main frame 2 is set to one, one end of air-treatment main frame 2 is communicated with a upper end of face shield 1 by connecting pipe 3, the other end of air-treatment main frame 2 is connected with VELCRO 43 or elastic force rope band, VELCRO 43 or elastic force rope band with face shield 1 another upper end be connected, the inwall of this VELCRO 43 or elastic force rope band or outer wall also can be attached with the curved arc shape headband that shrinks back elastic force, make the better effects if of wearing, more firm, face shield 1 is set to transparent mode face shield.The structure of above-mentioned Structure Comparison detailed description of the invention 3 is just simpler, and can realize the effect identical with detailed description of the invention 3.
Other structure is identical with detailed description of the invention 3, repeats no more here.
Operation principle of the present utility model is: the battery 25(in air-treatment main frame 2 can charge) provide power for fan 22, fan 22 is collected natural air and is entered air-treatment main frame 2, air stream is after the first screen pack 23 in air-treatment main frame 2 and the second screen pack 24 are processed, then by the exhaust vent 212 of air-treatment main frame 2, air after treatment is sent into connecting pipe 3 again, finally by connecting pipe 3, the air of purification is input to 1 li of face shield.Regulate current/voltage to suitable numerical value, can change fan 22 duties, thereby determine the flow of air, make the throughput of inputting face shield 1 be greater than the throughput that human body sucks, add the interior hundreds of milliliters of air of originally just possessing of face shield 1, be enough to make people easily to breathe, imperceptible any air drag in the time breathing.Owing to remaining slight positive air pressure in face shield 1, make air be all the time venthole 13 by face shield 1 and each micro gap to the outer outflow of face shield 1, extraneous foul atmosphere cannot enter in face shield 1.Meanwhile, reasonably design face shield 1 shape, make the interior air-flow of face shield 1 from air admission hole 12, flow to venthole 13 along face shield body 11 inwalls or the artificial air guide structure of setting, avoid directly blowing people's face organ, one-way gas flow forms stable laminar flow, takes away the carbon dioxide of face shield 1 interior characteristics of contaminated respiratory droplets.
The utility model at least has the following advantages: 1) by the air blowing function of air-treatment main frame, make the circulation of air in face shield, keep facial air flow property, air-breathing or exhale all very free and relaxed, there is no unhappy and damp and hot sense, and face have slight air-flow sense, can not produce strong wind and directly blow face and eyes, keep clearly comfortable, even can as at ordinary times, move and work.2) the utility model is by better ergonomic designs, wears more comfortablely, and positive air pressure and the laminar flow effect of utilizing the air after purifying to produce avoid any foul atmosphere to enter people's respiratory system through gap simultaneously.3) face shield and air-treatment main frame adopt split design, can be by strengthening the power of air-treatment host machine part, promote throughput, also can be in the filter material part of main frame, use HEPA, active carbon, photocatalyst, anion is the various air-treatment modes such as Electrostatic Absorption even, for good air ambient is provided in face shield.4) the utility model is compared common air purifier, there is power little, conveniently wear and carry, application scenario is advantage very widely, substantially identical with the scope of application of traditional mouth mask, as open air running, ride, amusement, go on a hike, have the public arena (as subway/street corner, some specific workshop and family kitchen culinary art etc.) of second-hand-cigarette and dust/peculiar smell, can allow people's respiratory system in absolute cleaning ring is clean, and there is no the sense of discomfort of mouth mask while using.5) effectively prevent that in air, PM2.5 particle sucks human body, solved people's injury that in air, harmful substance causes human body under sandstorm, serious haze weather and serious air pollution environment.6) the utility model can Reusability, has changed the waste that the disposable use of mouth mask causes in the past.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned embodiment.Therefore, the utility model is not limited to above-mentioned detailed description of the invention, and any apparent improvement, replacement or modification that every those skilled in the art have done on basis of the present utility model all belong to protection domain of the present utility model.In addition,, although used some specific terms in this description, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (10)
1. a Portable, personal air processor, it is characterized in that: comprise face shield, air-treatment main frame, connecting pipe and wear part, described face shield is communicated with described air-treatment main frame by described connecting pipe, the described part of wearing is connected with described face shield, described face shield comprises face shield body, air admission hole, venthole and soft fringing, described air admission hole and described venthole are all arranged at described face shield body, and described soft fringing is arranged at the inner side of described face shield body.
2. Portable, personal air processor according to claim 1, it is characterized in that: described air-treatment main frame comprises shell, fan, the first screen pack, the second screen pack and battery, described shell is provided with fresh air inlet and exhaust vent, described fresh air inlet is set to multiple, multiple described fresh air inlets are distributed in the surface of described shell uniformly, described battery, described the second screen pack, described the first screen pack and described fan are set in turn in described shell, and described battery and the electric connection of described fan.
3. Portable, personal air processor according to claim 2, is characterized in that: described in wear part comprise ear's elastic force lanyard, described ear elastic force lanyard is connected with described face shield; Described air-treatment main frame is set to one, described connecting pipe comprises the first connecting pipe, the second connecting pipe and the 3rd connecting pipe, one end of described the first connecting pipe is communicated with an above-mentioned air-treatment main frame, the other end of described the first connecting pipe is communicated with described face shield, described the 3rd connecting pipe is communicated with described face shield by described the second connecting pipe, and two free ends of described the 3rd connecting pipe are communicated with an above-mentioned air-treatment main frame; Described air admission hole is arranged at the below of described face shield body, and described venthole is arranged at the top of described face shield body.
4. Portable, personal air processor according to claim 2, it is characterized in that: described in wear part and comprise ear's elastic force lanyard and elastic force headband, described air-treatment main frame is set to two, two described air-treatment main frames connect by described elastic force headband, two described air-treatment main frames are connected with the lower end of described face shield body by described ear elastic force lanyard respectively, and two described air-treatment main frames are also communicated with the upper end of described face shield body by described connecting pipe respectively; Described air admission hole is arranged at the top of described face shield body, and described venthole is arranged at the below of described face shield body.
5. Portable, personal air processor according to claim 2, it is characterized in that: described in wear part and comprise VELCRO or elastic force rope band, described air-treatment main frame is set to two, one end of two described air-treatment main frames is communicated with the upper end of described face shield by described connecting pipe respectively, described face shield is set to transparent mode face shield, and the other end of two described air-treatment main frames is connected with described VELCRO or described elastic force rope band respectively.
6. Portable, personal air processor according to claim 2, it is characterized in that: described in wear part and comprise VELCRO or elastic force rope band, described air-treatment main frame is set to one, one end of described air-treatment main frame is communicated with a upper end of described face shield by described connecting pipe, the other end of described air-treatment main frame is connected with described VELCRO or described elastic force rope band, described VELCRO or described elastic force rope band are connected with described another upper end of face shield, and described face shield is set to transparent mode face shield.
7. according to the Portable, personal air processor described in claim 5 or 6, it is characterized in that: the inwall of described connecting pipe or outer wall are attached with the curved arc shape headband that shrinks back elastic force.
8. according to the Portable, personal air processor described in claim 3 ~ 6 any one, it is characterized in that: described air admission hole and described venthole are all set to through hole.
9. according to the Portable, personal air processor described in claim 3 ~ 6 any one, it is characterized in that: the inwall of described face shield body is provided with air guide structure.
10. Portable, personal air processor according to claim 9, is characterized in that: the outer wall of described face shield body is coated with reflective membrane or uvioresistant film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138238.6U CN203790465U (en) | 2014-03-26 | 2014-03-26 | Portable personal air treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138238.6U CN203790465U (en) | 2014-03-26 | 2014-03-26 | Portable personal air treatment apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203790465U true CN203790465U (en) | 2014-08-27 |
Family
ID=51372744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420138238.6U Expired - Fee Related CN203790465U (en) | 2014-03-26 | 2014-03-26 | Portable personal air treatment apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203790465U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106913969A (en) * | 2017-03-02 | 2017-07-04 | 张利峰 | A kind of air purification and sterilizing haze mouth mask |
| CN107019855A (en) * | 2016-02-02 | 2017-08-08 | 苏州全睿智能科技有限公司 | Intelligent water conservancy diversion mouth mask |
| CN109663240A (en) * | 2018-12-20 | 2019-04-23 | 中煤科工集团重庆研究院有限公司 | Active air supply type double-layer filtering device and mask |
| CN111457496A (en) * | 2020-04-08 | 2020-07-28 | 海宁萃智智能机器人有限公司 | Portable air purification device reaches active gauze mask including it |
| CN111588128A (en) * | 2020-06-29 | 2020-08-28 | 河南亚都实业有限公司 | Medical dustproof sterilizing mask |
| CN111939489A (en) * | 2020-09-27 | 2020-11-17 | 德州学院 | kitchen health respirator |
| CN112426637A (en) * | 2019-08-20 | 2021-03-02 | 刘二九 | Split type PM2.5 filtering mask |
-
2014
- 2014-03-26 CN CN201420138238.6U patent/CN203790465U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107019855A (en) * | 2016-02-02 | 2017-08-08 | 苏州全睿智能科技有限公司 | Intelligent water conservancy diversion mouth mask |
| CN106913969A (en) * | 2017-03-02 | 2017-07-04 | 张利峰 | A kind of air purification and sterilizing haze mouth mask |
| CN109663240A (en) * | 2018-12-20 | 2019-04-23 | 中煤科工集团重庆研究院有限公司 | Active air supply type double-layer filtering device and mask |
| CN112426637A (en) * | 2019-08-20 | 2021-03-02 | 刘二九 | Split type PM2.5 filtering mask |
| CN111457496A (en) * | 2020-04-08 | 2020-07-28 | 海宁萃智智能机器人有限公司 | Portable air purification device reaches active gauze mask including it |
| CN111588128A (en) * | 2020-06-29 | 2020-08-28 | 河南亚都实业有限公司 | Medical dustproof sterilizing mask |
| CN111939489A (en) * | 2020-09-27 | 2020-11-17 | 德州学院 | kitchen health respirator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 |
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| CF01 | Termination of patent right due to non-payment of annual fee |