CN111375250A - Portable air filtering device - Google Patents

Portable air filtering device Download PDF

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Publication number
CN111375250A
CN111375250A CN202010351890.6A CN202010351890A CN111375250A CN 111375250 A CN111375250 A CN 111375250A CN 202010351890 A CN202010351890 A CN 202010351890A CN 111375250 A CN111375250 A CN 111375250A
Authority
CN
China
Prior art keywords
exhaust
air
filtering
air inlet
protective mask
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.)
Pending
Application number
CN202010351890.6A
Other languages
Chinese (zh)
Inventor
刘燕玲
刘柏藩
刘燕仪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Hongrijia Depurate Facility & Science Technology Co ltd
Original Assignee
Shenzhen Hongrijia Depurate Facility & Science Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Hongrijia Depurate Facility & Science Technology Co ltd filed Critical Shenzhen Hongrijia Depurate Facility & Science Technology Co ltd
Priority to CN202010351890.6A priority Critical patent/CN111375250A/en
Publication of CN111375250A publication Critical patent/CN111375250A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
    • A41D13/1138—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
    • A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
    • A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
    • A41D13/1161—Means for fastening to the user's head
    • A41D13/1169—Means for fastening to the user's head using adhesive
    • A41D13/1176—Means for fastening to the user's head using adhesive forming a complete seal at the edges of the mask
    • A—HUMAN NECESSITIES
    • A41—WEARING APPAREL
    • A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
    • A41D27/00—Details of garments or of their making
    • A41D27/28—Means for ventilation
    • A41D27/285—Means for ventilation with closure adjustment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Abstract

The invention relates to the technical field of air filtration, in particular to a portable air filtration device, which comprises a filtration host and a protective mask, wherein the filtration host comprises: the air inlet filtering component is arranged in the shell of the filtering host machine and is positioned at the air inlet end of the air inlet hose, and the air outlet end of the air inlet hose is connected with the air inlet of the protective mask; the exhaust filtering component is arranged in the shell of the filtering host machine and is positioned at the exhaust end of the exhaust hose, and the air inlet end of the exhaust hose is connected with the exhaust port of the protective mask; the protective mask includes: the reposition of redundant personnel panel is equipped with a honeycomb duct on the reposition of redundant personnel panel, and the air inlet of protective facial mask is connected to the honeycomb duct, still is equipped with an exhaust baffle on the reposition of redundant personnel panel, and exhaust baffle sets up in the top of protective facial mask's gas vent. Has the advantages that: combine air filter and protective facial mask, not only can filter the air that gets into protective facial mask, can also filter protective facial mask exhaust air to simple structure, portable.

Description

Portable air filtering device
Technical Field
The invention relates to the technical field of air filtration, in particular to a portable air filtration device.
Background
Air is a living gas, and is colorless and odorless in a natural state, and oxygen in the air is necessary for all aerobic organisms. However, untreated air contains a large amount of germs and impurities, which affect our daily life and physical health. The first pollution is pathogen, which is mainly derived from droplets and droplet nuclei, which are transmitted from the mouth and nose when the human body speaks, breathes, sneezes or coughs, and the droplets and droplet nuclei generated by the human body contain water, epithelial cells shed from respiratory tract, some salt ions, respiratory tract virus and bacteria, and the pathogen capable of being transmitted through air is: measles virus, influenza virus, rhinovirus, norovirus, rotavirus, coronavirus, echovirus, hantavirus; the second pollution is solid particles, which are from dust, smoke, fly ash, fog in life, and the particles are harmful because toxic metals, carcinogens, pathogenic bacteria and the like can be attached to the particles. The particles in the air can be divided into dust fall, total suspended particles, inhalable particles and the like, wherein the inhalable particles can cause bronchial reflex contraction, spasm, cough, sneezing and airway resistance increase after being inhaled by a human body, under the chronic action of the solid particles, the resistance on the respiratory tract is gradually weakened, chronic respiratory diseases are induced, the production equipment can be abraded, and the human health can be injured. According to epidemiological investigation data, urban air pollution is a direct cause or cause of diseases such as chronic bronchitis, emphysema and bronchial asthma.
In the prior art, the traditional air filter has the defects that the traditional air filter is heavy and large, cannot be carried about and cannot filter exhaust air, other people can be injured by the air which is not filtered and exhausted, and a filter element cannot be replaced in a non-contact manner. The traditional mask cannot be matched with a portable integrated nanoscale air filter for use, has the great defect that daily communication is influenced due to the fact that the propagation of sound is blocked, and the human body health is influenced due to the fact that droplets and droplet cores generated by cough and speaking are exhausted again in time, and air in the mask cannot circulate in an air intake and exhaust mode.
Disclosure of Invention
In view of the above-mentioned problems in the prior art, a portable air filtration device is now provided.
The specific technical scheme is as follows:
the invention comprises a portable air filtering device, which comprises a filtering host and a protective mask, wherein the filtering host is respectively connected with the protective mask through an air inlet hose and an air outlet hose, and the filtering host comprises:
the air inlet filtering component is arranged in the shell of the filtering host machine and is positioned at the air inlet end of the air inlet hose, and the air outlet end of the air inlet hose is connected with the air inlet of the protective mask;
the exhaust filtering component is arranged in the shell of the filtering host machine and is positioned at the exhaust end of the exhaust hose, and the air inlet end of the exhaust hose is connected with the exhaust port of the protective mask;
the protective mask includes:
a reposition of redundant personnel panel, be equipped with a honeycomb duct on the reposition of redundant personnel panel, the honeycomb duct is connected respirator's air inlet, still be equipped with an exhaust baffle on the reposition of redundant personnel panel, exhaust baffle set up in respirator's the top of gas vent.
Preferably, the protective mask further comprises:
the safety panel is provided with a safety valve and a safety diaphragm, and the safety valve opens the safety diaphragm according to the detected air flow differential pressure so as to prevent exhaust backflow caused by negative pressure in the protective mask.
Preferably, the upper surface of the draft tube is higher than the upper surface of the exhaust baffle.
Preferably, one surface of the protective mask, which is in contact with a human body, is provided with a soft rubber cushion.
Preferably, one surface of the protective mask, which faces away from the human body, is provided with a sound amplifying mesh.
Preferably, the protective mask further comprises:
the voice receiver is arranged in the protective mask and used for receiving voice signals sent by a user;
the loudspeaker is electrically connected with the voice receiver, arranged in the protective mask, arranged corresponding to the sound amplification meshes and used for amplifying the voice signal;
the first circuit control board is respectively connected with the voice receiver and the loudspeaker and is used for adjusting the volume of the loudspeaker;
and the power supply is respectively connected with the voice receiver, the loudspeaker and the first circuit control board.
Preferably, the filter main machine further comprises a blower arranged between the air inlet filter component and the air inlet end of the air inlet hose;
the adjusting button is arranged outside the shell of the filtering host;
and the second circuit control board is respectively connected with the adjusting button and the air blower, and the adjusting button is used for adjusting the conveying airflow of the air blower.
Preferably, the shell of the filtering host is provided with an exhaust mesh which is arranged corresponding to the exhaust filtering component.
Preferably, both sides of the protective mask are respectively provided with a telescopic belt position and a telescopic buckle;
and two sides of the filtering main machine are respectively provided with a binding band position.
Preferably, the intake air filter member includes:
the top of the first filter core is provided with a first cover plate, and the bottom of the first filter core is connected with a first fastening nut at the bottom of the filter main machine;
the first sealing ring is arranged at the joint of the first filter element and the first fastening nut;
the exhaust gas filtering component includes:
the top of the second filter core is provided with a second cover plate, and the bottom of the second filter core is connected with a second fastening nut at the bottom of the filter main machine;
the second sealing ring is arranged at the joint of the top of the second cover plate and the filtering main machine;
and the third sealing ring is arranged at the joint of the second filter element and the second fastening nut.
The technical scheme has the following advantages or beneficial effects: the invention provides a portable air filtering device, which is combined with a protective mask, not only can filter air entering the protective mask, but also can filter air exhausted by the protective mask so as to prevent exhaust gas from causing secondary damage to other people; in addition, the air filtering device integrates the air inlet filtering component and the exhaust filtering component in the filtering host machine, and is simple in structure and convenient to carry.
Drawings
Embodiments of the present invention will be described more fully with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the invention.
FIG. 1 is a schematic view of the overall structure of an air filter device according to an embodiment of the present invention;
FIG. 2 is an exploded view of an air filtration device in an embodiment of the present invention;
FIG. 3 is a schematic view of a protective mask according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a filtering host in an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
The present invention includes a portable air filtering device, as shown in fig. 1, including a filtering main unit 1 and a protective mask 2, the filtering main unit 1 is connected to the protective mask 2 through an air inlet hose 31 and an air outlet hose 32, the filtering main unit 1 includes:
the air inlet filtering component 10 is arranged in the shell of the filtering main machine 1 and is positioned at the air inlet end of the air inlet hose 31, and the air outlet end of the air inlet hose 31 is connected with the air inlet 21 of the protective mask 2;
an exhaust filtering component 11 arranged in the shell of the filtering host 1 and positioned at the exhaust end of an exhaust hose 32, wherein the air inlet end of the exhaust hose 32 is connected with the exhaust port 22 of the protective mask 2;
as shown in fig. 2, the protective mask 2 includes:
a diversion panel 20, the diversion panel 20 is provided with a diversion pipe 201, the diversion pipe 201 is connected with the air inlet 21 of the protective mask 2, the diversion panel 20 is also provided with an exhaust baffle 202, and the exhaust baffle 202 is arranged above the exhaust port 22 of the protective mask 2.
Specifically, in the present embodiment, as shown in fig. 2, after being filtered by the air inlet filtering component 10 of the filtering main unit 1, the air flows through the air inlet hose 31 and the guiding pipe 201 and enters the protection mask 2 for the user to inhale, and the gas exhausted by the user after exhaling enters the exhaust filtering component 11 through the exhaust port 22 and the exhaust hose 32 of the protection mask 2 and is exhausted after being filtered by the exhaust filtering component 11, so as to prevent the harmful substances such as virus or bacteria carried in the gas from causing secondary damage to others. The exhaust damper 202 provided above the exhaust port 22 of the protective mask 2 prevents the clean air introduced through the duct 201 from crossing the gas exhausted by the user.
In a preferred embodiment, the upper surface of the draft tube 201 is higher than the upper surface of the exhaust baffle 32. Because the upper surface of the draft tube 201 is higher, the air introduced by the draft tube 201 can flow above the inside of the protective mask 2, and the gas exhausted by the user is exhausted through the exhaust port 22 at the bottom of the protective mask 2, and the clean air introduced by the draft tube 201 can be isolated from the exhaust of the user through the exhaust baffle 32, so that the cross of air intake and exhaust is prevented, and the gas shunting effect is improved.
In a preferred embodiment, as shown in fig. 2, the protective mask 2 further comprises:
a safety panel 23, a safety valve 230 and a safety diaphragm 231 are arranged on the safety panel 23, the safety valve 230 opens the safety diaphragm 231 according to the detected air flow differential pressure to prevent the exhaust gas from flowing back caused by the negative pressure in the protective mask 2, and prevent the generated droplets, droplet cores and aerosol from being inhaled again by the human body. A through hole 232 is further formed above the safety panel 23, and the gas introduced by the draft tube 201 flows to the face of the human body through the through hole 232.
In a preferred embodiment, as shown in fig. 2 and 3, a soft rubber cushion 24 is provided on the side of the protective mask 2 that contacts the human body.
One surface of the protective mask 2, which is back to the human body, is provided with a sound amplifying mesh 25;
the protective mask 2 further includes:
a voice receiver 26, disposed in the protective mask 2, for receiving the voice signal sent by the user;
a loudspeaker 27 electrically connected with the voice receiver 26, arranged in the protective mask 2 and corresponding to the sound amplifying mesh 25 for amplifying the voice signal;
a first circuit control board 28 connected to the voice receiver 26 and the speaker 27, respectively, for adjusting the volume of the speaker 27;
a power supply 29 connected to the voice receiver 26, the speaker 27 and the first circuit control board 28, wherein the power supply 29 preferably uses a rechargeable battery which can be reused.
Specifically, in this embodiment, the soft rubber pad 24 is provided on the face of the protective mask 2 contacting the face of the human body, so as to improve the comfort of the user. The voice receiver 26 is preferably arranged on the side of the safety panel 23 facing the soft rubber pad 24, so that the voice receiver 26 is closer to the mouth of the user, and the sound emitted by the user can be better collected; the speaker 27 is preferably provided at the speaker mesh 25, the speaker mesh 25 is provided at the front end of the protective mask, the sound emitted from the user is amplified by the speaker 27 and then transmitted through the speaker mesh 25, and further, the volume of the speaker 27 can be adjusted using the first circuit control board 28. Through above-mentioned technical scheme, the user is wearing protective facial mask's in-process, and the sound that sends passes through speaker 27 and outwards clearly propagates, and the realization can wear more smooth and easy interchange when protective facial mask in polluted environment to reach the healthy, high-efficient convenient purpose of protection oneself and other people.
In a preferred embodiment, as shown in fig. 2 and 4, the main filter unit 1 further includes a blower 12 disposed between the intake filter unit 10 and the intake end of the intake hose 31;
an adjusting button 13 arranged outside the shell of the filtering host 1;
and a second circuit control board 16 respectively connected with the adjusting button 13 and the blower 12, wherein the adjusting button 13 is used for adjusting the conveying air flow of the blower 12.
Specifically, the rechargeable battery 19 is used in the present embodiment to supply power to the blower 12, the second circuit control board 16, and the like. The rear end of the air blower 12 which is matched and arranged with the filtering host 1 is provided with a buckle type detachable baffle 17, and the upper end of the second circuit control panel 16 is provided with a detachable baffle 18. The air filtered by the air inlet filtering component 10 is sent into the protective mask 2 through the air blower 12, the adjusting button 13 is connected with the input end of the second circuit control board 16, the output end of the second circuit control board 16 is connected with the input end of the air blower 12, and the working voltage of the air blower 12 can be adjusted through the adjusting button 13 in the wearing process of a user, so that the adjustment of the air inlet flow of the protective mask 2 is realized.
In a preferred embodiment, as shown in fig. 1, 2 and 4, the housing of the filter unit 1 is provided with an exhaust mesh 14, and the exhaust mesh 14 is arranged corresponding to the exhaust filter element 11.
Specifically, in the present embodiment, the exhaust gas discharged from the human body reaches the exhaust port 22 of the protective mask 2 through the safety valve 230 and the safety diaphragm 231, and then flows through the exhaust hose 32 into the filtering main machine 1, and is filtered by the exhaust filtering component 11, so that the droplets, droplet nuclei and aerosol generated by the human body are intercepted in the exhaust filtering component 11, and the filtered clean air is discharged from the exhaust mesh 14, thereby achieving the purpose of protecting the health of the user and others.
In a preferred embodiment, a retractable belt 203 and a retractable buckle 204 are respectively arranged on two sides of the protective mask 2, and the retractable belt 203 is symmetrically arranged on two sides of the shunting panel 20; two sides of the filtering main machine 1 are respectively provided with a portable binding belt position 15, and the binding belt position 15 is arc-shaped.
In a preferred embodiment, the intake air filter element 10 comprises:
a first filter element 101, wherein the top of the first filter element 101 is provided with a first cover plate 102, and the bottom of the first filter element 101 is connected with a first fastening nut 103 at the bottom of the filter main machine 1;
a first seal ring 104 arranged at the joint of the first filter element 101 and the first fastening nut 103;
the exhaust gas filter component 11 includes:
a second filter element 111, a second cover plate 112 is arranged on the top of the second filter element 111, and the bottom of the second filter element 111 is connected with a second fastening nut 113 at the bottom of the filter main machine 1;
a second sealing ring 114 disposed at the joint of the top of the second cover plate 112 and the filtering main body 1;
and a third gasket 115 is disposed at the joint of the second filter element 111 and the second fastening nut 113.
Specifically, the first filter element 101 and the second filter element 3 are made of nano glass fiber materials and adsorbent materials, and adopt a special rolling winding process to realize high-precision pollutant interception and aerosol liquid substance adsorption, so that nano filtration precision and peculiar smell removal are realized, and the filter element can be replaced by a new filter element without contacting the filter element in the whole process, so that the propagation of germs and impurities is effectively blocked.
The embodiment of the invention has the beneficial effects that: the portable air filtering device is combined with the protective mask, so that air entering the protective mask can be filtered, air exhausted by the protective mask can be filtered, and secondary damage to other people caused by exhaust is prevented; in addition, the air filtering device integrates the air inlet filtering component and the exhaust filtering component in the filtering host machine, and is simple in structure and convenient to carry.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. The utility model provides a portable air filter, includes a filtering host computer and a respirator, its characterized in that, filtering host computer is connected through an air inlet hose and an exhaust hose respectively respirator, filtering host computer includes:
the air inlet filtering component is arranged in the shell of the filtering host machine and is positioned at the air inlet end of the air inlet hose, and the air outlet end of the air inlet hose is connected with the air inlet of the protective mask;
the exhaust filtering component is arranged in the shell of the filtering host machine and is positioned at the exhaust end of the exhaust hose, and the air inlet end of the exhaust hose is connected with the exhaust port of the protective mask;
the protective mask includes:
a reposition of redundant personnel panel, be equipped with a honeycomb duct on the reposition of redundant personnel panel, the honeycomb duct is connected respirator's air inlet, still be equipped with an exhaust baffle on the reposition of redundant personnel panel, exhaust baffle set up in respirator's the top of gas vent.
2. The air filtration device of claim 1 wherein the protective mask further comprises:
the safety panel is provided with a safety valve and a safety diaphragm, and the safety valve opens the safety diaphragm according to the detected air flow differential pressure so as to prevent exhaust backflow caused by negative pressure in the protective mask.
3. The air filtration device of claim 1 wherein an upper surface of the draft tube is higher than an upper surface of the exhaust baffle.
4. The air filtration device of claim 1 wherein the face of the respirator contacting the human body is provided with a soft cushion of rubber.
5. The air filtration device of claim 1 wherein a speaker mesh is disposed on a side of the respirator facing away from the human body.
6. The air filtration device of claim 5 wherein the protective mask further comprises:
the voice receiver is arranged in the protective mask and used for receiving voice signals sent by a user;
the loudspeaker is electrically connected with the voice receiver, arranged in the protective mask, arranged corresponding to the sound amplification meshes and used for amplifying the voice signal;
the first circuit control board is respectively connected with the voice receiver and the loudspeaker and is used for adjusting the volume of the loudspeaker;
and the power supply is respectively connected with the voice receiver, the loudspeaker and the first circuit control board.
7. The air filtration device of claim 1 wherein said filter housing further comprises a blower disposed between said intake filter element and an intake end of said intake hose;
the adjusting button is arranged outside the shell of the filtering host;
and the second circuit control board is respectively connected with the adjusting button and the air blower, and the adjusting button is used for adjusting the conveying airflow of the air blower.
8. An air filtration device as claimed in claim 1 wherein said filter housing has an exhaust mesh opening therein, said exhaust mesh opening being positioned in correspondence with said exhaust filter element.
9. The air filtering device according to claim 1, wherein a telescopic belt position and a telescopic buckle are respectively arranged on two sides of the protective mask;
and two sides of the filtering main machine are respectively provided with a binding band position.
10. An air filtration device according to claim 1 wherein said intake air filter element comprises:
the top of the first filter core is provided with a first cover plate, and the bottom of the first filter core is connected with a first fastening nut at the bottom of the filter main machine;
the first sealing ring is arranged at the joint of the first filter element and the first fastening nut;
the exhaust gas filtering component includes:
the top of the second filter core is provided with a second cover plate, and the bottom of the second filter core is connected with a second fastening nut at the bottom of the filter main machine;
the second sealing ring is arranged at the joint of the top of the second cover plate and the filtering main machine;
and the third sealing ring is arranged at the joint of the second filter element and the second fastening nut.
CN202010351890.6A 2020-04-28 2020-04-28 Portable air filtering device Pending CN111375250A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010351890.6A CN111375250A (en) 2020-04-28 2020-04-28 Portable air filtering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010351890.6A CN111375250A (en) 2020-04-28 2020-04-28 Portable air filtering device

Publications (1)

Publication Number Publication Date
CN111375250A true CN111375250A (en) 2020-07-07

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ID=71222893

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010351890.6A Pending CN111375250A (en) 2020-04-28 2020-04-28 Portable air filtering device

Country Status (1)

Country Link
CN (1) CN111375250A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112220462A (en) * 2020-10-23 2021-01-15 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 Incubator for neonates
CN112627943A (en) * 2020-11-14 2021-04-09 河北虹旭环保科技有限公司 Portable maintenance equipment of DPF
CN112618984A (en) * 2021-01-11 2021-04-09 淮南安裕机电科技有限责任公司 Dust filtering air supply type dust mask
WO2023040159A1 (en) * 2021-09-18 2023-03-23 深圳市宏日嘉净化设备科技有限公司 Portable split-type filter device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112220462A (en) * 2020-10-23 2021-01-15 温州医科大学附属第二医院、温州医科大学附属育英儿童医院 Incubator for neonates
CN112627943A (en) * 2020-11-14 2021-04-09 河北虹旭环保科技有限公司 Portable maintenance equipment of DPF
CN112618984A (en) * 2021-01-11 2021-04-09 淮南安裕机电科技有限责任公司 Dust filtering air supply type dust mask
WO2023040159A1 (en) * 2021-09-18 2023-03-23 深圳市宏日嘉净化设备科技有限公司 Portable split-type filter device

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