CN211935233U - 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
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- CN211935233U CN211935233U CN202020238545.7U CN202020238545U CN211935233U CN 211935233 U CN211935233 U CN 211935233U CN 202020238545 U CN202020238545 U CN 202020238545U CN 211935233 U CN211935233 U CN 211935233U
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Abstract
The utility model relates to a malleation protective clothing with gas defense, purification, ventilation, exhaust, heat dissipation function. 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 utility model discloses can enough accord with the relevant standard of medical instrument, can accord with the gaseous purification standard in relevant field again, the user body feels comfortable, and protecting effect is good.
Description
Technical Field
The utility model relates to a protective clothing, in particular to a 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.
Meanwhile, the existing protective articles such as medical masks and medical goggles are worn for a long time, so that the discomfort conditions such as facial skin damage, unsmooth breathing and the like of medical care personnel are 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.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation, which can not only meet the relevant standards of medical instruments, but also meet the gas purification standards of 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 utility model provides a technical scheme that its technical problem adopted is:
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.
Adopt above-mentioned technical scheme the utility model discloses, compare with prior art, beneficial effect is:
(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.
Furthermore, the preferred scheme of the utility model 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 suit provided by an embodiment of the present invention;
fig. 2 is a schematic view of the back of the positive pressure protective suit according to the embodiment of the present 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 present invention will be described in detail with reference to the accompanying drawings and embodiments. Based on this embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present 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 types and the filtering grades of the air inlet filter screen 15 of the new air box 11, the filter screens at the exhaust openings on the head-wearing protective mask 9 and the filter screens at the exhaust openings on the protective suit body 5 are set in an actual working environment, HEPA filter screens with the filtering 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 efficiency of 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 a preferred and practical embodiment of the present invention, and not intended to limit the scope of the present invention, and all structural equivalents made by using the contents of the specification and drawings are included in the scope of the present invention.
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 (4), 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 (16); the main body of the fresh air device (16) 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 (4), 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 filter screen type and the filtration grade of each air vent department filter screen on air inlet filter screen (15), the wear-type protective face mask (9), each air vent department filter screen on protective clothing body (5) set up with actual operational environment, the HEPA filter screen of medical protective clothing filtration grade for H12 level and above-mentioned rank, reach more than 99.9% to the particle filtration efficiency of 0.3 micron, guarantee that the protection 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 made of anti-sticking non-woven fabric, 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, 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 |
|---|---|---|---|
| CN202020238545.7U CN211935233U (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 |
|---|---|---|---|
| CN202020238545.7U CN211935233U (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 |
|---|---|
| CN211935233U true CN211935233U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020238545.7U Active CN211935233U (en) | 2020-03-02 | 2020-03-02 | Positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135493A (en) * | 2020-03-02 | 2020-05-12 | 皓庭(唐山）环境科技有限公司 | Positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation |
| CN115227995A (en) * | 2022-08-29 | 2022-10-25 | 江苏海拓科技有限公司 | Air respirator with cooling heat radiation structure |
-
2020
- 2020-03-02 CN CN202020238545.7U patent/CN211935233U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111135493A (en) * | 2020-03-02 | 2020-05-12 | 皓庭(唐山）环境科技有限公司 | Positive pressure protective clothing with functions of gas defense, purification, ventilation, exhaust and heat dissipation |
| CN115227995A (en) * | 2022-08-29 | 2022-10-25 | 江苏海拓科技有限公司 | Air respirator with cooling heat radiation structure |
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