CN111135493A - Positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation - Google Patents
Positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation Download PDFInfo
- Publication number
- CN111135493A CN111135493A CN202010136675.4A CN202010136675A CN111135493A CN 111135493 A CN111135493 A CN 111135493A CN 202010136675 A CN202010136675 A CN 202010136675A CN 111135493 A CN111135493 A CN 111135493A
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- Prior art keywords
- protective
- air
- air outlet
- protective clothing
- exhaust
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- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 110
- 238000000746 purification Methods 0.000 title claims abstract description 17
- 230000007123 defense Effects 0.000 title claims abstract description 15
- 230000006870 function Effects 0.000 title claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 15
- 238000009423 ventilation Methods 0.000 title claims abstract description 15
- 241000700605 Viruses Species 0.000 claims abstract description 11
- 210000001698 popliteal fossa Anatomy 0.000 claims abstract description 9
- 210000005069 ears Anatomy 0.000 claims abstract description 8
- 210000000038 chest Anatomy 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 210000003128 head Anatomy 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 4
- 210000001061 forehead Anatomy 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000003897 fog Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000037380 skin damage Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
-
- 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
- A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
- A41D13/0025—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment by means of forced air circulation
-
- 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
- A41D13/12—Surgeons' or patients' gowns or dresses
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
- A62B17/003—Fire-resistant or fire-fighters' clothes
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
- A62B17/006—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes against contamination from chemicals, toxic or hostile environments; ABC suits
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/04—Gas helmets
- A62B18/045—Gas helmets with fans for delivering air for breathing mounted in or on the helmet
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
Abstract
The invention relates to a positive pressure protective garment with functions of gas defense, purification, ventilation, exhaust and heat dissipation. The protective helmet comprises a head-wearing protective mask and a protective garment body, wherein the head-wearing protective mask is provided with a protective panel, an air outlet at the mouth and nose and air outlets at the two ears; the protective clothing body is provided with an elbow inner side air outlet, a chest air outlet, a back air outlet and an air outlet at the popliteal fossa; the fresh air device is also included; the main body of the fresh air device is a brace type fresh air box, a driving fan is arranged in the fresh air box, an air inlet part of the fresh air box is provided with an air inlet filter screen for isolating viruses, and an air outlet of the fresh air box is communicated with an air inlet of the protective clothing through an air duct; the air outlet at the mouth and nose, the air outlet at the two ears, the air outlet at the inner side of the elbow, the chest air outlet, the back air outlet and the air outlet at the popliteal fossa are respectively provided with a filter screen for isolating virus during air flow backflow. The invention can not only accord with the relevant standards of medical appliances, but also accord with the gas purification standards in the relevant fields, and the user feels comfortable and has good protection effect.
Description
Technical Field
The invention relates to protective clothing, in particular to positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation.
Background
The protective clothing has wide application in the fields of medical treatment, fire fighting, military industry and the like. When the ordinary protective clothing is used, other protective articles such as a mask, goggles and the like are often needed to be worn. When the mask and the goggles are used, the skin of the face is easily damaged, the hidden danger of infection exists, and the protection efficiency is low; simultaneously, a plurality of protective tools are produced, and great challenge is provided for social productivity; the internal temperature of ordinary protective clothing is high, and the user feels vexed and hot, breathes not smoothly, works for a long time under this kind of environment and is unfavorable for user's healthy. The integrated protective clothing integrates head protection and body protection tools, and has high protection efficiency; however, the existing integrated protective clothing needs a user to carry an oxygen bottle or externally connect an air duct to provide oxygen inside the protective clothing; the structure is complex, the self weight is large, and the action range of the user is limited. The positive pressure protective clothing has high protective efficiency and comfortable body feeling of a user due to the internal positive pressure; the fresh air device of the positive pressure protective clothing can continuously send outside air into the protective clothing after being processed without an external oxygen cylinder or an air duct, and has simple structure and light dead weight.
When the existing protective articles such as medical masks and medical goggles are worn for a long time, the discomfort conditions such as facial skin damage and unsmooth breathing of medical care personnel can be caused; the inner part of the protective clothing is sultry and poor in air permeability, and great inconvenience is brought to the rescue work of medical workers. Therefore, it is an urgent technical problem to be solved in the art to provide a positive pressure protective clothing that meets the relevant standards of medical equipment and has the functions of gas defense, purification, ventilation, air exhaust and heat dissipation.
Similar to medical rescue, in the working fields of fire fighting, military industry, chemical industry and the like and in severe environments such as sandy environment, foggy environment, smoky environment and the like, the use of the positive pressure type protective clothing can greatly improve the protection efficiency and improve the body feeling comfort level of a user. Therefore, it is an urgent technical problem in the art to provide a positive pressure protective clothing that meets the standards of protective clothing in the related field and has the functions of gas defense, purification, ventilation, exhaust and heat dissipation.
Disclosure of Invention
The invention aims to solve the technical problem of providing a positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation, which can not only accord with the relevant standards of medical instruments, but also accord with the gas purification standards in the relevant fields; the integrated design is adopted, so that the protection effect is good; the inside malleation that keeps of protective clothing, the user feels comfortable.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation comprises a head protective mask and a protective clothing body, wherein the head protective mask is provided with a protective panel, an air outlet at the mouth and nose and an air outlet at the ears; the protective clothing body is provided with an elbow inner side air outlet, a chest air outlet, a back air outlet and an air outlet at the popliteal fossa; the fresh air device is also included; the main body of the fresh air device is a brace type fresh air box, a driving fan is arranged in the fresh air box, an air inlet filter screen for isolating viruses is arranged at an air inlet part of the fresh air box, and an air outlet of the fresh air box is communicated with an air inlet of the protective clothing through an air guide pipe; the mouth and nose exhaust port, the two ear exhaust ports, the elbow inner side exhaust port, the chest exhaust port, the back exhaust port and the popliteal fossa exhaust port are respectively provided with a filter screen for isolating virus during airflow backflow.
Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:
(1) the fresh air device and the protective clothing body are of a separation structure, and only the protective clothing body needs to be replaced when the positive pressure protective clothing is replaced, so that the replacement is easy, and the replacement cost is low.
(2) The filter screens at the air inlet of the fresh air device and the air outlet of the protective clothing ensure that germs cannot enter the protective clothing, and the filter screens can be reused after disinfection and sterilization.
(3) The head-wearing protective mask integrates the protective functions of goggles and a mask, and a filter screen at the mouth and nose realizes the free expiration of a user; the air outlets with the filter screens arranged at the ears and the mouth and nose can discharge the air exhaled by the user, the heat and the water vapor emitted by the body through the air outlets, so that fresh air energy is continuously sent to the mouth and nose, and the air flow field is arranged to pass through the eye protection panel to prevent the water vapor on the eye protection panel from being condensed to influence the visual field; on the other hand, the permeability of sound can be enhanced, the user can be ensured to carry out voice communication with other people, and the communication efficiency is improved.
(4) The protective clothing body is provided with the air inlet of connecting the new trend device in the position that does not hinder user's action to the position that easily perspires such as chest, back, popliteal fossa, elbow inboard in the front of protective clothing sets up the gas vent, forms the stable flow field and finally discharges the protective clothing by the gas vent in the protective clothing is inside, is convenient for cool down, avoids the protective clothing to paste tight medical personnel skin and causes the work inconvenience.
(5) The protective clothing adopts an integrated design, so that the protective efficiency is high; the interior of the protective suit keeps positive pressure, a user feels comfortable, the protective suit has wide application scenes in the special operation fields of fire fighting, military industry, chemical industry and the like and in the special operation environments of sand, fog, smoke and the like, and great economic value and social value can be created.
Further, the preferred scheme of the invention is as follows:
wear-type protective face mask pass through the solid fixed ring of neck on the protective clothing body and be connected with protective clothing body detachable, the solid fixed ring of neck passes through the ultrasonic bonding mode to be fixed on the protective clothing body.
The filter screen type and the filtration grade of each air vent department filter screen on air inlet filter screen, the wear-type protective face mask, each air vent department filter screen on the protective clothing body set up with actual operational environment, the HEPA filter screen that the preferred filtration grade of medical protective clothing is H12 level and above grade reaches more than 99.9% to the particle filtration efficiency of 0.3 micron, guarantees that the protective effect to the virus is not less than N95 gauze mask.
The air outlet of the mouth and nose is provided with a moisture absorption device which is an anti-sticking non-woven fabric, so that the protection panel is ensured to have clear visual field and no water mist.
The driving fans are distributed, preferably, one driving fan is arranged in the center, and N driving fans are uniformly distributed on the periphery; the distributed driving fan uses a distributed driving motor, so that the fresh air driving system has the advantages of light dead weight, low noise and low energy consumption.
The protective clothing air inlet is arranged on the part of the binocular front-looking protective panel, the side surface of the thorax and the back which are opposite to the forehead and do not hinder the normal work of a user.
Drawings
FIG. 1 is a schematic front view of a positive pressure protective garment according to an embodiment of the invention;
FIG. 2 is a schematic view of the back side of a positive pressure protective garment according to an embodiment of the invention;
FIG. 3 is a schematic diagram of a distributed arrangement of driven fans;
in the figure: 1-a protective panel; 2-air outlet at mouth and nose; 3-braces; 4-elbow inside vent; 5-protective clothing body; 6-chest vent; 7-air outlet at mouth and nose; 8-a moisture absorption device; 9-a head-mounted protective mask; 10-binaural vent; 11-a new air box; 12-an airway tube; 13-popliteal vent; 14-back vent; 15-air inlet strainer; 16-a fresh air device; 17-protective clothing air inlet; 18-driving a fan; 19-drive fan mounting plate.
Detailed Description
The invention is described in detail below with reference to the accompanying drawings and examples. Based on the embodiment, other embodiments obtained by persons of ordinary skill in the art without any creative effort belong to the protection scope of the invention.
Referring to fig. 1, 2 and 3, the positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation provided by the embodiment comprises a head protective mask 9, a protective clothing body 5 and a fresh air device 16, wherein the head protective mask 9 is detachably connected with the protective clothing body 5 through a neck fixing ring 7 on the protective clothing body 5, and the neck fixing ring 7 is fixed on the protective clothing body 5 through an ultrasonic welding mode.
The head-wearing protective mask 9 is provided with a protective panel 1, an air outlet 2 at the mouth and nose and an air outlet 10 at the two ears, the air outlet 2 at the mouth and nose is provided with a moisture absorption device 8, and the moisture absorption device 8 is an anti-sticking non-woven fabric, so that the protective panel is ensured to have clear visual field and no water mist; the protective suit body 5 is provided with an elbow inner side air outlet 4, a chest air outlet 6, a back air outlet 14 and an popliteal fossa air outlet 13; the air outlet 2 at the mouth and nose, the air outlet 10 at the ears, the air outlet 4 at the inner side of the elbow, the chest air outlet 6, the back air outlet 14 and the air outlet 13 at the popliteal fossa are all provided with filter screens for isolating virus during airflow backflow.
The main body of the fresh air device 16 is a fresh air box 11, the fresh air box 11 is provided with braces 3, and the fresh air box 11 is carried on the back through the braces 3 after the protective clothing body 5 is worn. The new wind box 11 is internally provided with driving fans 18, and the driving fans 18 are arranged in a distributed structure through driving fan mounting plates 19, namely, one driving fan is arranged in the center, and four driving fans are uniformly distributed on the periphery. An air inlet filter screen 15 for isolating virus is arranged at an air inlet part of the fresh air box 11, an air outlet of the fresh air box 11 is communicated with a protective clothing air inlet 17 through an air duct 12, and the protective clothing air inlet 17 is arranged at the position of the binocular front-view protective panel 1 opposite to the forehead.
The air inlet filter screen 15 of the new air box 11, the filter screens at the exhaust ports on the head-wearing protective mask 9 and the filter screen types and the filter grades of the filter screens at the exhaust ports on the protective suit body 5 are set in an actual working environment, HEPA filter screens with the filter grade of H12 grade and above are preferably selected for the medical protective suit, the filtering efficiency of 0.3 micron particles reaches more than 99.9 percent, and the protective effect on viruses is not lower than that of an N95 mask.
The side of the new air box 11 is provided with a control knob, and a user can adjust the rotating speed of the driving fan 18 according to the requirement by rotating the knob, so that the regulation and control of the air pressure and the air exchange speed inside the protective clothing are realized.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (6)
1. A positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation comprises a head protective mask (9) and a protective clothing body (5), wherein the head protective mask (9) is provided with a protective panel (1), an air outlet (2) at the mouth and nose and an air outlet (10) at the ears; the protective suit body (5) is provided with an elbow inner side air outlet (14), a chest air outlet (6), a back air outlet (14) and an popliteal fossa air outlet (13); the method is characterized in that: the fresh air device (14) is also included; the main body of the fresh air device (14) is a brace type fresh air box (11), a driving fan (18) is arranged in the fresh air box (11), an air inlet filter screen (15) for isolating viruses is arranged at an air inlet part of the fresh air box (11), and an air outlet of the fresh air box (11) is communicated with an air inlet (17) of the protective clothing through an air duct (12); the mouth and nose exhaust port (2), the ears exhaust port (10), the elbow inner side exhaust port (14), the chest exhaust port (6), the back exhaust port (14) and the popliteal fossa exhaust port (13) are respectively provided with a filter screen for isolating virus during airflow backflow.
2. The positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation according to claim 1, wherein: wear-type protective face mask (9) through the solid fixed ring of neck (7) on protective clothing body (5) with protective clothing body (5) detachable be connected, the solid fixed ring of neck (7) is fixed on protective clothing body (5) through ultrasonic welding mode.
3. The positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation according to claim 1, wherein: the air inlet filter screen (15), the filter screen of each air vent department on the wear-type protective face mask (9), the filter screen type and the filtration grade of each air vent department filter screen on protective suit body (5) set up with actual operational environment, the HEPA filter screen that the preferred filtration grade of medical protective suit is H12 level and above level reaches more than 99.9% to the particle filtration efficiency of 0.3 micron, guarantees that the protective efficiency to the virus is not less than N95 gauze mask.
4. The positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation according to claim 1, wherein: the mouth and nose exhaust port (2) is provided with a moisture absorption device (8), the moisture absorption device (8) is an anti-sticking non-woven fabric (7), and the protection panel (1) is guaranteed to have clear visual field and no water mist.
5. The positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation according to claim 1, wherein: the driving fans (18) are distributed, preferably, one driving fan (18) is arranged in the center, and N driving fans (18) are uniformly distributed on the periphery.
6. The positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation according to claim 1, wherein: the protective clothing air inlet (17) is arranged on the part of the binocular front-view protective panel which is just opposite to the forehead, the side surface of the thorax and the back, which do not obstruct the normal work of the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010136675.4A CN111135493A (en) | 2020-03-02 | 2020-03-02 | Positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010136675.4A CN111135493A (en) | 2020-03-02 | 2020-03-02 | Positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111135493A true CN111135493A (en) | 2020-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010136675.4A Pending CN111135493A (en) | 2020-03-02 | 2020-03-02 | Positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111135493A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569291A (en) * | 2020-05-19 | 2020-08-25 | 陈品杰 | Umbrella type head full-wrapping protective mouth mask |
| CN111973904A (en) * | 2020-08-31 | 2020-11-24 | 绵阳美科电子设备有限责任公司 | Wearable active air purification totally-enclosed protection system and application method |
| CN111972747A (en) * | 2020-07-09 | 2020-11-24 | 桑可 | Positive pressure wearable protective device |
| CN112575444A (en) * | 2020-11-23 | 2021-03-30 | 南通纺织丝绸产业技术研究院 | High-protection high-moisture-permeability nanofiber membrane and preparation of medical protective equipment thereof |
| CN113679127A (en) * | 2021-09-14 | 2021-11-23 | 西安医学院第二附属医院 | Special protective clothing for nucleic acid detection |
| CN114052320A (en) * | 2020-08-03 | 2022-02-18 | 北京中科盛康科技有限公司 | Medical isolation protective clothing with air supply system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569291A (en) * | 2020-05-19 | 2020-08-25 | 陈品杰 | Umbrella type head full-wrapping protective mouth mask |
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| CN114052320A (en) * | 2020-08-03 | 2022-02-18 | 北京中科盛康科技有限公司 | Medical isolation protective clothing with air supply system |
| CN111973904A (en) * | 2020-08-31 | 2020-11-24 | 绵阳美科电子设备有限责任公司 | Wearable active air purification totally-enclosed protection system and application method |
| CN111973904B (en) * | 2020-08-31 | 2021-08-24 | 绵阳美科电子设备有限责任公司 | Wearable active air purification totally-enclosed protection system and application method |
| CN112575444A (en) * | 2020-11-23 | 2021-03-30 | 南通纺织丝绸产业技术研究院 | High-protection high-moisture-permeability nanofiber membrane and preparation of medical protective equipment thereof |
| CN113679127A (en) * | 2021-09-14 | 2021-11-23 | 西安医学院第二附属医院 | Special protective clothing for nucleic acid detection |
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