CN111466644A - Electric mask with ozone disinfection function - Google Patents
Electric mask with ozone disinfection function Download PDFInfo
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- CN111466644A CN111466644A CN202010399016.XA CN202010399016A CN111466644A CN 111466644 A CN111466644 A CN 111466644A CN 202010399016 A CN202010399016 A CN 202010399016A CN 111466644 A CN111466644 A CN 111466644A
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- ozone
- mask
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- air
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- 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
- A41D13/113—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a vertical fold or weld
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/10—Impermeable to liquids, e.g. waterproof; Liquid-repellent
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/12—Hygroscopic; Water retaining
- A41D31/125—Moisture handling or wicking function through layered materials
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/30—Antimicrobial, e.g. antibacterial
- A41D31/305—Antimicrobial, e.g. antibacterial using layered materials
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
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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
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/007—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Toxicology (AREA)
- Physical Education & Sports Medicine (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention belongs to the technical field of masks, and provides an electric mask with an ozone disinfection function. The mask body is of a three-dimensional arched three-dimensional structure; the electric disinfection module is arranged on the connecting device and comprises a USB charging port, a battery, a switch, a filter layer, a sensor, a controller, an air suction fan, an air expiration fan, an air inlet valve, an exhaust valve, an ozone generator and a photocatalytic material layer. The filter layer filters air; the sensor detects the state and rate of breathing of the wearer; the controller controls the continuous operation of the inhalation fan and the exhalation fan through the breathing data detected by the sensor; an inhalation fan and an exhalation fan introduce and discharge air into and out of the mask; the ozone generator generates ozone to sterilize; the photocatalytic material layer purifies VOCs and enhances the air purification effect. The electric mask with the ozone disinfection function can thoroughly kill germs, can be repeatedly used and improves the breathing comfort level.
Description
Technical Field
The invention relates to the technical field of masks, in particular to an electric mask with an ozone disinfection function.
Background
The existing mask on the market isolates germs by filtering, does not have sterilization and disinfection effects, germs remained on the mask easily cause cross infection among people, and when air pollution is serious or respiratory infectious diseases are prevalent, the mask needs to be worn for a long time, is easy to propagate germs, and generally needs to be replaced once in 4 hours, so that resources are wasted; medical protective facial mask and N95 gauze mask improve the safeguard effect through high filtration efficiency and high adaptation, compare with ordinary gauze mask, can increase respiratory resistance, reduce the breathing comfort level, especially to being responsible for the medical personnel who rescues the patient during the proruption public health incident, need wear the protective facial mask who does not take the breather valve for a long time, easily appear breathing smoothly, the problem of damp and hot suffocating, cause the burden even to the lung.
Ozone is the globally recognized green broad-spectrum efficient disinfection and sterilization agent, to the bacterium, the microorganism such as virus has very strong killing effect, can inactivate influenza virus etc. and electronic gauze mask technique utilizes electronic air supply arrangement air feed, in order to overcome respiratory resistance, consequently can combine ozone disinfection technique and electronic gauze mask technique, supplementary photocatalysis material purifies VOCs, use and develop the electronic gauze mask that has the ozone disinfection function on medical protection gauze mask or N95 gauze mask and solve prior art's not enough, for the person of wearing especially medical personnel, provide advanced protective effect.
CN209782870U discloses a small household ozone air purifier, which uses high concentration ozone to purify air, and CN205695860U discloses an anion ozone mask, wherein an anion generator generates anions and ozone to purify air, but only generates trace ozone, the ozone disinfection effect is limited, and how to combine the ozone disinfection technology with the mask and determine the appropriate ozone concentration is the problem to be solved.
CN110891652A discloses a mask comprising an air chamber, a filter, an inhalation fan for introducing air into the mask through the filter, an exhalation fan for exhausting exhaled air, a sensor, and a controller, but this motorized mask does not have a sterilization function.
Therefore, there is a need to develop an electric mask with ozone disinfection function to thoroughly kill germs and reuse the mask, thereby greatly reducing the consumption of the mask and improving the breathing comfort.
Disclosure of Invention
The invention aims to solve the problems of incapability of thoroughly killing germs, incapability of being reused, large breathing resistance and the like in the prior art of masks, and provides an electric mask with an ozone disinfection function.
In order to achieve the purpose, the invention adopts the technical scheme that:
an electric mask with ozone disinfection function comprises a mask body and a disinfection electric module; the mask body is of a three-dimensional arched three-dimensional structure, a connecting device is arranged on the mask body, and the electric disinfection module is arranged on the connecting device;
the electric disinfection module comprises a body, the body comprises a filter layer and a photocatalytic material layer from outside to inside, an ozone disinfection area is arranged between the filter layer and the photocatalytic material layer, an inspiration channel and an expiration channel are arranged between the filter layer and the ozone disinfection area, an inspiration fan and an air inlet valve are arranged in the inspiration channel, and an expiration fan and an exhaust valve are arranged in the expiration channel; a sensor is arranged between the inspiration channel and the expiration channel; the sensor is connected with a controller, and the controller is connected with the inspiration fan and the expiration fan.
The invention is further improved in that an ozone generator is arranged in the ozone disinfection area.
The invention is further improved in that a USB charging port is arranged on the outer surface of the body, a clamping groove is arranged on one side of the USB charging port, a battery is arranged in the clamping groove, and the battery is connected with the air suction fan, the expiration fan, the sensor, the controller and the ozone generator.
The mask body is further improved in that the mask body is composed of an outer waterproof layer, an intermediate filter layer and an inner moisture absorption layer.
The invention is further improved in that a nose clip is arranged in the middle of the mask body.
The invention is further improved in that two ends of the mask body are connected with mask ear bands.
A further development of the invention consists in that the disinfecting motorized module is screwed to the connecting device.
A further improvement of the invention is that, when breathing in, the inlet valve is open and the outlet valve is closed; when exhaling, the exhaust valve opens and the intake valve closes.
The invention is further improved in that the photocatalytic material in the photocatalytic material layer is TiO with metal loaded on the surface2The metal loading is 0.1 to 1 wt%.
The invention is further improved in that the load metal is one of Au, Ag and Pt.
Compared with the prior art, the invention has the beneficial effects that: the invention has the characteristics of simple structure, convenient use, portability and practicability; the selected ozone is a globally recognized green broad-spectrum efficient disinfection and sterilization agent, has a strong killing effect on microorganisms such as bacteria, viruses and the like, and disinfects air before entering the mask and gas exhaled by a wearer through an ozone disinfection area, so that the purification of inhaled air and exhaled air is ensured, the mutual cross infection of germs among crowds is effectively prevented and reduced, and the occurrence of public infectious diseases is reduced; VOCs are purified through the photocatalytic material of the photocatalytic material layer, and the air purification effect is enhanced; the mask can be repeatedly used due to the disinfection and deodorization effects of the ozone, so that the service time of the mask is prolonged, and the problem of shortage of the mask is relieved; the breathing of a wearer is assisted by the inspiration fan and the expiration fan, the breathing resistance is overcome, fresh air is inhaled, damp and hot waste gas is rapidly discharged, and the breathing comfort is improved; the electric disinfection module can be recycled, and the high-grade protection effect can be ensured by regularly replacing the mask body.
Furthermore, the electric disinfection module can be assembled and disassembled and is connected with the mask body through threads on the connecting device, so that the use is convenient.
Drawings
Fig. 1 is a schematic structural view of a main body of an electric mask with ozone sterilization function according to the present invention;
fig. 2 is a schematic view of a disinfection power module.
The reference numbers in the figures are: 100-mask body; 101-a nose clip; 102-mask ear band; 200-sterilizing the motorized module; 201-USB charging port; 202-a battery; 203-a switch; 204-a filter layer; 205-a sensor; 206-a controller; 207-suction fan; 208-an expiratory fan; 209-an air inlet valve; 210-an exhaust valve; 211-an ozone generator; 212-photocatalytic material layer.
Detailed Description
The invention is further illustrated below with reference to the accompanying drawings and specific examples:
as shown in fig. 1 and 2, the electric mask with ozone sterilization function of the present invention comprises a mask body 100 and an electric sterilization module 200, wherein the mask body 100 is provided with a connection device, and the electric sterilization module 200 is provided on the connection device.
The mask body 100 is a three-dimensional arch-shaped three-dimensional structure and is composed of an external waterproof layer, a middle filter layer and an internal moisture absorption layer; a nose clip 101 is arranged in the middle of the mask body 100; the two ends of the mask body 100 are both connected with mask ear bands 102; the outermost layer of the mask body 100 corresponding to the mouth and nose is provided with a connecting device (not shown) for connecting with the disinfection electric module 200; the mask body 100 may be provided with a hollow hole (not shown) corresponding to the disinfection electric module 200 to allow the respiratory gas to fully contact the sensor 205.
The electric disinfection module 200 is a transparent shell made of PVC/PET/PP/PS and the like and is arranged on a connecting device at the outermost layer of the mask body 100 corresponding to the mouth and nose, the electric disinfection module 200 comprises a body, the body comprises a filter layer 204 and a photocatalytic material layer 212 from outside to inside, an ozone disinfection area is arranged between the filter layer 204 and the photocatalytic material layer 212, an air suction channel and an air expiration channel are arranged between the filter layer 204 and the ozone disinfection area, an air suction fan 207 and an air inlet valve 209 are arranged in the air suction channel, and an air expiration fan 208 and an air outlet valve 210 are arranged in the air expiration channel; a sensor 205 is arranged between the inhalation channel and the exhalation channel; the sensor 205 is connected to a controller 206. An ozone generator 211 is arranged in the ozone disinfection area.
The switch 203 and the USB charging port 201 are arranged on the outer surface of the body, a clamping groove is arranged on one side of the USB charging port 201, a battery 202 is arranged in the clamping groove, and the battery 202 is connected with the air suction fan 207, the exhalation fan 208, the sensor 205, the controller 206 and the ozone generator 211.
The switch 203 is arranged on the outer side far away from the mouth and the nose and is used for controlling the on and off of the inspiration fan 207, the expiration fan 208 and the ozone generator 211; the filter layer 204 is arranged at the air inlet of the outer surface of the mask; the rear end of the filter layer 204 is arranged into two parts, one part is an inhalation fan 207 through which the gas passes during inhalation and an air inlet valve 209 arranged at the rear end of the inhalation fan 207, and the other part is an exhalation fan 208 through which the gas passes during exhalation and an air outlet valve 210 arranged at the rear end of the exhalation fan 208; the sensor 205 and the controller 206 are arranged between the inhalation channel and the exhalation channel; the ozone generator 211 is arranged on the inner wall of the disinfection electric module 200 at the rear end of the air inlet valve 209 and the air outlet valve 210; the layer of photocatalytic material 212 is disposed on the inside near the mouth and nose.
Wherein, the filter layer 204 is used for filtering air; the sensor 205 is used for detecting breathing data such as the state of inhalation and exhalation and the breathing rate of the wearer; the controller 206 controls the continuous operation of the inhalation fan 207 and the exhalation fan 208 by means of the breathing data detected by the sensor 205, so that the air flow in the mask is synchronized with the breathing of the wearer; an inhalation fan 207 for introducing air into the inlet hood when the wearer inhales; the exhalation fan 208 is used to expel air out of the mask when the wearer exhales; the ozone generator 211 is used for generating ozone for disinfection and sterilization; the photocatalytic material in the photocatalytic material layer 212 is used for purifying VOCs and enhancing the air purification effect.
The electric sterilizing module 200 is assembled and disassembled and connected with the mask body 100 through threads on the connecting device. Before using the electric mask having the ozone sterilization function, the battery 202 of the sterilization electric module 200 is charged through the USB charging port 201. After the charging is finished, the sterilizing electric module 200 is connected to the mask body 100 by a screw. The nose clip 101 is worn on the nose with the side with the nose clip 101 upward, the convex side outward and the concave side inward, the ear bands 102 of the mask at the two ends are hung on two ears, the lower end of the mask body 100 is pulled to the lower jaw, the nose clip 101 is lightly pressed to be attached to the bridge of the nose, and the wearing effect is finished.
The switch 203 is opened and the disinfecting motorized module 200 begins to operate. The photocatalytic material is TiO with metal loaded on the surface2The load metal is one of Au, Ag and Pt, and the load amount of the metal is 0.1-1 wt%. The sensor 205 is one or a combination of a pressure sensor, a humidity sensor, a temperature sensor, a wind speed sensor and the like; the sensor 205 determines whether the user is inhaling or exhaling and the size of the breathing rate, and the controller 206 controls the on/off of the inhalation fan 207 and the exhalation fan 208 according to the breathing state detected by the sensor 205, and adjusts the air supply rates of the inhalation fan 207 and the exhalation fan 208 according to the breathing rate to match the fan operation state with the breathing state. Ozone generator 211 generates ozone (0.12ppm) which, in cooperation with the photocatalytic material, sanitizes and purifies the air before entering the mask and the exhaled air of the wearer.
When the wearer inhales, the inhalation fan 207 assists the wearer in inhaling the air filtered by the filter layer 204, at which time the air inlet valve 209 is opened and the air outlet valve 210 is closed, the air enters the ozone sterilization zone through the air inlet valve 209, and the sterilized air enters the inlet cover through the synergistic effect of the ozone and the photocatalytic material, so as to provide fresh air for the wearer.
When the wearer exhales, the exhalation fan 208 assists the wearer in expelling exhaled air, at which point the exhaust valve 210 opens and the inlet valve 209 closes, and exhaled air passes through the photocatalytic material and ozone synergy, and after sterilization, is expelled through the exhaust valve 210, the filter layer 204.
Therefore, the operation of one breathing cycle is completed, the filter layer 204, the air suction fan 207, the air inlet valve 210, the photocatalytic material layer 212 and the inner wall of the disinfection electric module 200 form an air inlet channel, the photocatalytic material layer 212, the exhaust valve 210, the exhalation fan 208, the filter layer 204 and the inner wall of the disinfection electric module 200 form an exhaust channel, and different air inlet and exhaust channels can also avoid the substantial mixing of the filtered fresh air and the exhaled air, thereby ensuring the freshness of the breathed air.
When the electric mask with the ozone disinfection function is not used, the switch 203 is closed.
The invention has the characteristics of simple structure, convenient use, portability and practicability; the selected ozone is a globally recognized green broad-spectrum efficient disinfection and sterilization agent, has a strong killing effect on microorganisms such as bacteria, viruses and the like, and disinfects air before entering the mask and gas exhaled by a wearer through an ozone disinfection area, so that the purification of inhaled air and exhaled air is ensured, the mutual cross infection of germs among crowds is effectively prevented and reduced, and the occurrence of public infectious diseases is reduced; VOCs are purified through the photocatalytic material of the photocatalytic material layer, and the air purification effect is enhanced; the mask can be repeatedly used due to the disinfection and deodorization effects of the ozone, so that the service time of the mask is prolonged, and the problem of shortage of the mask is relieved; the breathing of a wearer is assisted by the inspiration fan and the expiration fan, the breathing resistance is overcome, fresh air is inhaled, damp and hot waste gas is rapidly discharged, and the breathing comfort is improved; the electric disinfection module can be recycled, and the high-grade protection effect can be ensured by regularly replacing the mask body.
The above description is only a basic description of the present invention, and any equivalent changes made according to the technical solution of the present invention should fall within the protection scope of the present invention.
Claims (10)
1. An electric mask with ozone disinfection function is characterized by comprising a mask body (100) and a disinfection electric module (200); the mask body (100) is of a three-dimensional arch-shaped three-dimensional structure, a connecting device is arranged on the mask body (100), and the electric disinfection module (200) is arranged on the connecting device;
the electric disinfection module (200) comprises a body, wherein the body comprises a filter layer (204) and a photocatalytic material layer (212) from outside to inside, an ozone disinfection area is arranged between the filter layer (204) and the photocatalytic material layer (212), an air suction channel and an air exhaust channel are arranged between the filter layer (204) and the ozone disinfection area, an air suction fan (207) and an air inlet valve (209) are arranged in the air suction channel, and an air exhaust fan (208) and an air exhaust valve (210) are arranged in the air exhaust channel; a sensor (205) is arranged between the inhalation channel and the exhalation channel; the sensor (205) is connected with a controller (206), and the controller (206) is connected with an inhalation fan (207) and an exhalation fan (208).
2. The motorized mask with ozone disinfection of claim 1, wherein an ozone generator (211) is located in the ozone disinfection zone.
3. The electric mask with ozone disinfection function according to claim 2, wherein the outer surface of the body is provided with a USB charging port (201), one side of the USB charging port (201) is provided with a clamping groove, a battery (202) is arranged in the clamping groove, and the battery (202) is connected with the inhalation fan (207), the exhalation fan (208), the sensor (205), the controller (206) and the ozone generator (211).
4. The electromotive mask with ozone sterilization function according to claim 1, wherein the mask body (100) is composed of an outer waterproof layer, an intermediate filter layer and an inner moisture absorption layer.
5. The electric respirator with ozone disinfection function as claimed in claim 1, wherein the respirator body (100) is provided with a nose clip (101) at the middle part.
6. The electric respirator with ozone disinfection function according to claim 1, wherein both ends of the respirator body (100) are connected with respirator ear straps (102).
7. The electric respirator with ozone disinfection function as claimed in claim 1, wherein the disinfection electric module (200) is connected with the connecting device by screw thread.
8. The electric respirator having ozone sterilization function according to claim 1, wherein when inhaling, the intake valve (209) is opened and the exhaust valve (210) is closed; during exhalation, the exhaust valve (210) is opened and the intake valve (209) is closed.
9. The electric respirator with ozone disinfection function as claimed in claim 1, wherein the photocatalytic material in the photocatalytic material layer (212) is TiO with metal loaded on the surface2The metal loading is 0.1 to 1 wt%.
10. The electric respirator with ozone disinfection function of claim 9, wherein the loading metal is one of Au, Ag and Pt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010399016.XA CN111466644A (en) | 2020-05-12 | 2020-05-12 | Electric mask with ozone disinfection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010399016.XA CN111466644A (en) | 2020-05-12 | 2020-05-12 | Electric mask with ozone disinfection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111466644A true CN111466644A (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010399016.XA Pending CN111466644A (en) | 2020-05-12 | 2020-05-12 | Electric mask with ozone disinfection function |
Country Status (1)
| Country | Link |
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| CN (1) | CN111466644A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114288447A (en) * | 2021-12-30 | 2022-04-08 | 成都康盛科泰生物技术有限公司 | Device and method for removing endotoxin in large or special-shaped container |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189384A (en) * | 1997-01-26 | 1998-08-05 | 刘�英 | Electronic gauze mask |
| US20050063207A1 (en) * | 2003-09-22 | 2005-03-24 | Tsay Wen Feng | Multifunction car charger connector |
| CN2897265Y (en) * | 2006-03-15 | 2007-05-09 | 广州瑞虹健康电器制品有限公司 | Multifunctional air purifier with sterilizing and desodoration functions |
| CN104886824A (en) * | 2015-07-03 | 2015-09-09 | 上海圆天电子科技有限公司 | Smog-proof intelligent mask |
| CN205695860U (en) * | 2016-04-26 | 2016-11-23 | 杨朔 | A kind of negative ion and ozone mask |
-
2020
- 2020-05-12 CN CN202010399016.XA patent/CN111466644A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189384A (en) * | 1997-01-26 | 1998-08-05 | 刘�英 | Electronic gauze mask |
| US20050063207A1 (en) * | 2003-09-22 | 2005-03-24 | Tsay Wen Feng | Multifunction car charger connector |
| CN2897265Y (en) * | 2006-03-15 | 2007-05-09 | 广州瑞虹健康电器制品有限公司 | Multifunctional air purifier with sterilizing and desodoration functions |
| CN104886824A (en) * | 2015-07-03 | 2015-09-09 | 上海圆天电子科技有限公司 | Smog-proof intelligent mask |
| CN205695860U (en) * | 2016-04-26 | 2016-11-23 | 杨朔 | A kind of negative ion and ozone mask |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114288447A (en) * | 2021-12-30 | 2022-04-08 | 成都康盛科泰生物技术有限公司 | Device and method for removing endotoxin in large or special-shaped container |
| CN114288447B (en) * | 2021-12-30 | 2023-09-29 | 成都康盛科泰生物技术有限公司 | Endotoxin removing device and method for large or special container |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200731 |
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| RJ01 | Rejection of invention patent application after publication |