CN111097112B - Closed type isolation protective clothing respiration support system and use method thereof - Google Patents
Closed type isolation protective clothing respiration support system and use method thereof Download PDFInfo
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- CN111097112B CN111097112B CN202010094747.3A CN202010094747A CN111097112B CN 111097112 B CN111097112 B CN 111097112B CN 202010094747 A CN202010094747 A CN 202010094747A CN 111097112 B CN111097112 B CN 111097112B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/12—Respiratory apparatus with fresh-air hose
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- 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
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- 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
- A62B18/02—Masks
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- 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
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
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- 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
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- 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
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Abstract
The invention relates to a respiratory support system of a closed type isolation protective clothing and a use method thereof, wherein the system comprises respiratory support equipment and an isolation clothing with a head sleeve, and the head sleeve is provided with a face window; the face window is connected with a face mask in a sealing way; the mask is provided with an air inlet part; the air inlet part is positioned at the upper part of the mask; the isolation suit is also provided with an exhaust part; the exhaust part is positioned below the air inlet part; the respiratory support equipment is connected to the outer side of the isolation suit and comprises a main box body, wherein a battery installation space, an air return space and a fresh air circulation space are arranged in the main box body, the fresh air circulation space is sequentially divided into a filter unit installation area, a power fan installation area and an air outlet area according to the gas flow direction, one surface of the filter unit installation area is open so as to facilitate installation of a filter unit and inflow of fresh air, the air outlet area is provided with an air outlet, and a power fan is installed in the power fan installation area; the air outlet is connected with the air inlet part so as to supply air into the isolation suit. The invention can effectively ensure the isolation effect, has compact and simple structure, comfortable use and strong practicability.
Description
Technical Field
The invention belongs to the technical field of protective covers in lifesaving and fire fighting, and particularly relates to a respiratory support system of a closed type isolation protective suit and a using method thereof.
Background
The isolation clothes, also called clean working clothes, dust-free working clothes, protective clothes and the like, are widely applied to the industries of electronics, pharmacy, optics, aerospace, semiconductors, hospitals, environmental protection and the like (mostly seen in clean workshops), and have various colors and specifications suitable for different antistatic or clean environments. The isolation suit can not become to give off the dust source itself to can prevent that the human body from contacting the dust in the external environment, still have the effect that prevents the human body and give off dust concurrently, can guarantee the dust and the bacterial colony number in the clean room. In the application of the medical treatment system in the medical industry, the medical treatment system is mainly used for protecting medical care personnel, reducing the contact of the medical care personnel with bacteria and viruses, avoiding infection, avoiding non-combat staff reduction of the medical care personnel caused by infection in the medical treatment process in a special period, and playing a role in safety guarantee.
The existing isolation clothes are usually in a one-piece structure, the isolation clothes cover feet, expose hands and are provided with head sleeves, the head sleeves are in an open structure, namely, face windows are reserved to expose eyes, noses and mouths of clothing persons, so that normal sight and breathing are ensured, the mouth and nose parts are further provided with conventional masks for supplementary protection, and the eyes can be provided with goggles; the operation can be convenient by exposing the hands at the cuffs, and the gloves are worn on the two hands to supplement the protection; the feet are wrapped in the integrated isolation suit, and then the shoes are worn to enhance protection. In order to improve the isolation effect, the opening part (such as the face window and the cuff) of the isolation clothes is provided with a tightening belt along the periphery. However, the isolation effect of the common isolation clothes is limited at present, the face window of the isolation clothes is exposed out of the mouth and nose, the safety of medical care personnel cannot be effectively guaranteed in the medical environment which can be infected through breathing, and the isolation protection effect is achieved only by the worn mask.
Further, in order to solve the above problems, a structural form that a transparent mask is arranged on a face window of the isolation suit appears in the market, the isolation effect is improved through the transparent mask, and the sight line and the breath are ensured simultaneously. However, in this structure, the hot air exhaled by the wearer often forms water mist on the transparent face mask, and the mist affects the sight and is not comfortable to breathe.
Furthermore, on the basis of arranging the transparent mask on the face window of the isolation suit, a structure that a small fan is additionally arranged on the upper part of the inner side of the transparent mask is adopted, and the problem that the sight is influenced by the fact that the human body exhales hot air to move upwards is solved by downwards supplying air through the small fan; the structure of adding the ventilation and temperature adjustment device as related in the patent CN2770703Y is also provided, which can improve the breathing comfort and facilitate the movement, but the ventilation and temperature adjustment device has a complex structure and scattered components, and the practicability still needs to be improved, and the design of the functions of connection with the transparent mask, air supply and exhaust, etc. needs to be further improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problem of providing a respiratory support system of a closed type isolation protective clothing and a use method thereof, so that the problems that the existing ventilation device is poor in integration to influence carrying and is not complete in function are solved, the defects that the view is influenced by expiration and the respiratory comfort is not enough in use are overcome, and the effects of ensuring the isolation effect and improving the practicability are achieved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the respiratory support system of the closed type isolation protective clothing comprises respiratory support equipment and an integrated isolation clothing with a head sleeve, wherein a face window is arranged on the head sleeve; the face window is connected with a face mask capable of shielding the face of a human body in a sealing way; at least the part of the face mask corresponding to the eyes of the human body is transparent, and a penetrating air inlet part is arranged on the face mask; the air inlet part is positioned at the upper part of the mask and is higher than the part of the mask corresponding to the eyes of the human body; the isolation suit is also provided with a through exhaust part; the exhaust part is positioned below the air inlet part; the respiratory support equipment is connected to the outer side of the isolation suit and positioned at the rear part of a human body, and comprises a main box body, wherein a battery installation space, an air return space and a fresh air circulation space are arranged in the main box body, the fresh air circulation space is sequentially divided into a filter unit installation area, a power fan installation area and an air outlet area according to the air flow direction, a filter unit is installed in the filter unit installation area, one surface of the filter unit installation area is open so as to facilitate installation of the filter unit and inflow of fresh air, the air outlet area is provided with an air outlet, and a power fan is installed in the power fan installation area so as to provide driving force for enabling fresh air to flow in from the open and to be sent out from the air outlet; the wall of the air return space is respectively provided with an air suction opening and an exhaust fan for exhausting air outwards; a battery is arranged in the battery mounting space and is electrically connected with the power fan and the exhaust fan; the air outlet is connected with the air inlet part through an air inlet hose so as to supply air into the isolation suit; the air suction opening is connected with the exhaust part through a return air hose so as to realize return air and form good air circulation in the isolation suit.
Further perfecting the technical scheme, the air inlet part comprises an air inlet pipe penetrating through the mask, the air inlet pipe penetrates through the part, corresponding to the forehead of the human body, of the mask, the outer end of the air inlet pipe is formed into an air inlet, the inner end of the air inlet pipe is connected with a support piece, the support piece is positioned on the inner side of the part, corresponding to the forehead of the human body, of the mask and corresponds to the forehead of the human body in shape, the support piece is of a cavity structure with a hollow inner cavity, the lower end of the support piece is open, and the inner end of the air inlet pipe is communicated with the hollow inner; the air inlet hose is communicated with the air outlet and the air inlet.
Furthermore, the outer end of the air inlet pipe extends upwards to facilitate the connection of an air inlet hose, and the air inlet hose passes through the rear part of the human body and bypasses the top radian of the human body to the front part to be connected with the air inlet; the outside of the isolation suit is provided with a plurality of pipe hoops used for fixing the air inlet hose.
Furthermore, the air inlet pipe, the supporting piece and the mask are of an integrated structure, and one side surface of the supporting piece close to the mask is coplanar with a part of the mask corresponding to the forehead of the human body.
Furthermore, the exhaust part is arranged on the face mask and is positioned at the lower part of the face mask and lower than the part of the face mask corresponding to the mouth of the human body; a circle of bonding glue is arranged at the edge position of the outer side of the face mask and is bonded with the inner side of the edge of the face window through the bonding glue; the outside of the isolation suit is provided with a plurality of pipe hoops used for fixing the return air hose.
Furthermore, the main box body is a rectangular box body with a horizontal long edge, the battery installation space is transversely arranged at the lower part of the rectangular box body along the long edge direction, the return air space and the fresh air circulation space are transversely arranged at the upper part of the rectangular box body along the long edge direction and are respectively positioned at two ends, and the exhaust fan is arranged on the corresponding end surface; the air suction opening and the air outlet are both arranged on the upper surface of the rectangular box body, the battery mounting space is provided with a corresponding battery cover so as to conveniently mount and dismount the battery, the battery cover is arranged on any end face of the rectangular box body, and an opening of the filter unit mounting area is arranged on one side face, far away from the isolation clothes, of the rectangular box body.
Furthermore, the number of the battery installation spaces is two, and batteries are correspondingly and respectively installed on the battery installation spaces; the two battery installation spaces are arranged in a collinear way along the length direction, and the battery covers corresponding to the two battery installation spaces are respectively arranged on two end faces of the rectangular box body; the two batteries are electrically connected with the power fan through the change-over switch to realize independent power supply.
Furthermore, two power fans are installed in the power fan installation area, and the air supply directions of the two power fans are consistent and are both electrically connected with the battery; and a temperature adjusting module is arranged in the air outlet area so as to adjust the temperature of the fresh air sent out from the air outlet.
Further, the filter unit is a replaceable disposable filter element; the face mask is a transparent plastic plate in a spherical form.
The invention also relates to a using method of the respiratory support system of the closed type isolation protective clothing, which ensures that the interior of the isolation clothing is kept at positive pressure when in use by setting the air supply quantity of the power fan of the respiratory support equipment and the air return quantity of the exhaust fan in a matching way.
Compared with the prior art, the invention has the following beneficial effects:
1. compared with the existing ventilation and temperature regulation device, the respiratory support equipment of the closed type isolation protective clothing respiratory support system integrates all functional components in the main box body, has high integration, simple and clear composition arrangement, is more convenient to carry with a wearer, and reduces the mobility influence on the operation of the wearer. When in use, the breathing support equipment filters fresh air through the filter unit, so as to filter most pathogenic bacteria and viruses, and clean air is pressurized through the power fan and is sent into the isolation suit through the air outlet; the filter unit is replaceable and disposable, a filter element matched with the environment and the use requirement can be adopted, the applicability is strong, and the requirement of clean air for normal people to breathe can be met; the extraction opening is connected with the isolation clothes, and gas in the isolation clothes is extracted to the return air space and is further discharged through the exhaust fan, and the formation air flow in the isolation clothes further ensures the air quality in the isolation clothes, and the function is more perfect.
2. The closed type isolation protective clothing respiration support system can connect the face mask to the face window position of the head cover in a sealing way on the basis of the general type isolation clothing to improve the isolation effect and realize the full-closed isolation, the air inlet part of the face mask is positioned at the upper part of the face mask and is higher than the part of the face mask corresponding to the eyes of a human body, when in use, the respiration support equipment filters fresh air through the filtering unit to filter most pathogenic bacteria and viruses, the clean air is pressurized through the power fan and is sent into the isolation clothing through the air inlet hose to flow downwards in the isolation clothing, the problem that the vision is influenced by the fact that hot air exhaled by the human body flows upwards to form water mist on the face mask corresponding to the eyes of the human body can be avoided, meanwhile, due to the entering and flowing of the fresh air, the respiration comfort is improved, and the practicability is.
3. The respiratory support system of the closed type isolation protective clothing has compact and simple structure, the respiratory support equipment is convenient to carry, and the wearing personnel are flexible; through the setting of intake pipe, support piece, can make and keep the determining deviation between human face and the face guard, improve the travelling comfort, simultaneously, support piece's gas distribution structural design makes the new trend be waterfall formula downflow, updates facial air better and constitutes, further improves and avoids the blurred effect of breathing uncomfortable of field of vision.
4. When the closed type isolation protective suit respiratory support system is used, positive pressure can be kept in the isolation suit all the time, external dust is prevented from entering the isolation suit from the clearance or the exhaust part of the isolation suit in a reverse direction, and the isolation effect is better realized.
Drawings
FIG. 1 is a schematic structural view (front view) of a closed barrier suit respiratory support system of an embodiment;
FIG. 2 is a schematic structural view (rear view) of a respiratory support system of a closed barrier suit of an embodiment;
FIG. 3 is a schematic view of the mask in an embodiment in isolation;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a side view (in cross-section) of FIG. 3;
FIG. 6 is a vertical height comparison of the mask to the human face;
FIG. 7 is a schematic view of a modified construction of the mask;
FIG. 8 is a schematic diagram of an isolated schematic configuration of a respiratory support apparatus according to an embodiment;
FIG. 9 is a left side view of FIG. 8;
FIG. 10 is a right side view of FIG. 8;
FIG. 11 is a top view of FIG. 8;
FIG. 12 is a cross-sectional view A-A of FIG. 9;
FIG. 13 is a schematic view of the main case shown separately based on FIG. 12;
FIG. 14 is a circuit diagram of a respiratory support apparatus in an embodiment;
the isolation suit 100, the head cover 101, the face window 102, the mask 1, the air inlet 2, the air inlet pipe 21, the support piece 22, the air supply opening 23, the dustproof cap 24, the air exhaust part 3, the adhesive 4, the main box body 5, the battery installation space 51, the fresh air circulation space 52, the filter unit installation area 521, the power fan installation area 522, the air outlet area 523, the power fan 53, the air outlet 54, the temperature adjusting module 55, the battery cover 56, the return air space 57, the air exhaust opening 58, the exhaust fan 59, the filter unit 6, the battery 7, the change-over switch 71, the air inlet hose 8 and the return air hose 9.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1-3 and 6, a respiratory support system for a closed isolation suit of a specific embodiment includes a respiratory support device and an integrated isolation suit 100 with a headgear 101, the headgear 101 having a face window 102; the face window 102 is hermetically connected with a face mask 1 capable of shielding the face of a human body; the utility model discloses a mask, including face guard 1, face guard, face window, 102, the face guard, face guard. The mask 1 is provided with an air inlet part 2 penetrating through the inner side and the outer side of the mask 1; the air inlet part 2 is positioned at the upper part of the mask 1 and is higher than the part of the mask 1 corresponding to the eyes of the human body; the isolation suit 100 is also provided with a through exhaust part 3; the exhaust part 3 is positioned below the air inlet part 2;
referring to fig. 8-13, the respiratory support apparatus includes a main box 5, the main box 5 has a battery installation space 51, an air return space 57 and a fresh air circulation space 52 therein, the fresh air circulation space 52 is sequentially divided into a filter unit installation area 521, a power fan installation area 522 and an air outlet area 523 according to the air flow direction, a replaceable filter unit 6 is installed in the filter unit installation area 521, one side of the filter unit installation area 521 is open for installing the filter unit 6 and the inflow of fresh air, the air outlet area 523 is provided with an air outlet 54, and a power fan 53 is installed in the power fan installation area 522 for providing a driving force that the fresh air can flow in from the open and be sent out from the air outlet 54; the wall of the air return space 57 is respectively provided with an air suction opening 58 and an exhaust fan 59 for exhausting air outwards; a battery 7 is arranged in the battery installation space 51, and the battery 7 is electrically connected with the power fan 53 and the exhaust fan 59;
the respiratory support equipment is connected to the outer side of the isolation suit 100 and positioned at the rear part of a human body, particularly can be connected to a waistband, and can be carried by fastening a waistband buckle in a belt ring mode; the suction opening 58 is connected to the exhaust 3 by a return air hose 9 to provide return air for good air circulation within the suit 100. The opening of the filter unit installation region 521 faces in a direction away from the human body for air intake. In practice, a check valve may be added at the outlet 54.
The respiratory support system of the closed type isolation protective clothing of the embodiment, the isolation clothing 100 can be a common and universal style, the mask 1 can be connected at the position of the face window 102 of the head cover 101 in a sealing way when the isolation clothing 100 is newly manufactured so as to improve the isolation effect, the full-closed isolation is realized, the air inlet part 2 of the mask 1 is positioned at the upper part of the mask 1 and is higher than the part of the mask 1 corresponding to the eyes of the human body, when in use, the respiratory support equipment enables fresh air to be filtered by the filtering unit 6 so as to filter most pathogenic bacteria and viruses, the clean air is pressurized by the power fan 53 and is sent into the isolation clothing 100 through the air inlet hose 8 and flows downwards in the isolation clothing 100, thereby avoiding the problem that the hot air exhaled by the human body goes upwards to form water mist at the part of the mask 1 corresponding to the eyes of the human body so as to influence the sight, and simultaneously, the respiratory comfort is, the practicability is strong.
In implementation, the outline form of the mask 1 is not limited to correspond to the face of a human body, and can also be a hood form, and the air inlet part 2 can be arranged at the top of the head; the invention relates to an air exhaust design of the prior common isolation suit, which mostly adopts natural air exhaust, namely an air exhaust part 3 is not specially arranged, and air in the isolation suit is naturally exhausted through the positions of cuffs and the like to ensure the flowability of the air; the exhaust part 3 is specially arranged, the exhaust is not performed through the gap of the isolation suit 100 any more, the design and manufacture requirements of the isolation suit 100 can be correspondingly improved, the cuffs of the existing open type isolation suit can be further tightened, and the isolation effect is further improved. The mode that the new trend was sent into through breathing support equipment initiative can guarantee all the time that the isolation suit 100 is the malleation in, avoids outside dust to get into isolation suit 100 from the clearance of isolation suit 100 or exhaust mechanism backward.
The mask 1 is connected with the face window 102 in a sealing mode, specifically, a circle of adhesive 4 can be arranged at the edge position of the outer side of the mask 1, a 3M adhesive tape can be selected, when the mask is used, bottom paper of an isolation adhesive is removed, the mask 1 is placed inside a head cover 101 of the isolation suit 100, the inner side of the edge of the face window 102 of the head cover 101 is bonded with the circle of the outer edge position of the mask 1, and sealing connection is achieved; this approach is also particularly useful in retrofitting existing open insulation suits to the form of closed insulation suit respiratory support systems.
Compared with the existing ventilation and temperature adjustment device, the breathing support device integrates all functional components in the main box body 5, has high integration, simple and clear composition arrangement, is more convenient to carry with a wearer, and reduces the mobility influence on the operation of the wearer. The filtering unit 6 is replaceable, a plurality of filter elements are adopted, the filtering unit is disposable, and the type of the filter elements matched with the environment and the use requirement is specifically adopted; the requirement of clean air for normal breathing can be met; the air suction port 58 is connected with the isolation suit, air in the isolation suit is sucked out to the air return space 57 through the exhaust fan 59 and further discharged, air flow is formed in the isolation suit, and the air quality in the isolation suit is further guaranteed.
Referring to fig. 3-6, the air inlet portion 2 includes an air inlet tube 21 penetrating through the mask 1, the air inlet tube 21 is inserted into a portion of the mask 1 corresponding to the forehead of the human body, correspondingly, a through hole is formed in the portion of the mask 1 corresponding to the forehead of the human body, the air inlet tube 21 is sealed to penetrate through the through hole, a gap can be connected and sealed by a sealant, an outer end of the air inlet tube 21 is formed as an air inlet, an inner end of the air inlet tube 21 is connected to a support 22, the support 22 is located inside the portion of the mask 1 corresponding to the forehead of the human body and has a shape corresponding to the shape so as to be attached to the forehead of the human body and play a supporting role in use, the support 22 is a cavity structure with a hollow inner cavity, and has an open lower end, and the inner end of the air inlet tube 21 is communicated with the; the air inlet hose 8 is communicated with the air outlet 54 and the air inlet.
Like this, can be convenient for admit air hose 8's connection through the air inlet, the new trend gets into and renews facial air constitution from the part that the face guard 1 is gone up corresponding to human forehead, and the effect is better. Support piece 22 can make and keep the determining deviation between human face and the face guard 1, improves the travelling comfort, and simultaneously, support piece 22's gas distribution structural design makes the new trend be waterfall formula downflow, updates facial air better and constitutes, further improves the effect of avoiding the visual field fuzzy and breathing uncomfortable. In practice, the air inlet pipe 21, the supporting member 22 and the face mask 1 may be an integral structure (see fig. 7), so that for the convenience of integral manufacture, the outer side surface (the side surface close to the face mask 1) of the supporting member 22 may share the portion of the face mask 1 corresponding to the forehead of the human body, which may save materials and make the whole structure simpler; the inner side of the supporter 22 corresponds to the forehead of the human body so as to be attached thereto.
Wherein, the outer end of the air inlet pipe 21 extends upwards to facilitate the connection of the air inlet hose 8, and the air inlet hose 8 passes through the back part of the human body and bypasses the top radian of the human body to the front part to be connected with the air inlet; the outside of the suit 100 is provided with pipe hoops for fastening the air intake hose 8.
Thus, the air inlet pipe 21 is a rigid plastic pipe (compared with a hose), the outer end of the air inlet pipe is vertically bent and then vertically extends upwards, so that the air inlet is upward, the air inlet hose 8 is convenient to connect, and the air inlet hose 8 is prevented from being excessively bent due to the fact that the air inlet hose 8 is directly connected to the outer side of the part, corresponding to the forehead of a human body, of the mask 1; the air inlet end of the air inlet hose 8 is connected with the air outlet 54, winds to the front along the radian of the top of the head of a human body and is connected with the upward air inlet of the air inlet pipe 21 through the air outlet end of the air inlet hose, and is fixed along the way through the pipe hoop on the outer side of the isolation suit 100, so that the influence on the operation of the costumer is reduced as much as possible. In practical use, the air inlet can be provided with a dustproof cap 24 which can cover the air inlet when the air inlet hose 8 is not used or connected, thereby ensuring cleanness and being convenient for maintenance.
Referring to fig. 3 and 6, in the present embodiment, the exhaust portion 3 is still disposed on the face mask 1, and penetrates through the inner and outer side surfaces of the face mask 1, specifically, is located at the lower portion of the face mask 1 and is lower than the portion of the face mask 1 corresponding to the mouth of the human body.
In this way, the exhaust 3 is integrated into the mask 1, facilitating the mask to be used as a separate component for retrofitting to existing open barrier suits.
Referring to fig. 7, in practice, the face mask 1 may also be a fully transparent plastic plate in the form of a cylindrical surface, and the axis of the cylindrical surface is vertical, so that the use effect is similar.
Referring to fig. 8-13, the main box 5 is a rectangular box with horizontal long side for being horizontally arranged at the back waist of human body for carrying about, the battery installation space 51 is arranged at the lower part of the rectangular box body along the long side direction, the return air space 57 and the fresh air circulation space 52 are arranged at the upper part of the rectangular box body along the long side direction and are respectively arranged at the two ends, the exhaust fan 59 is arranged on the corresponding end surface, the air suction opening 58 and the air outlet 54 are both arranged on the upper surface of the rectangular box body, the battery mounting space 51 is provided with a corresponding battery cover 56 for mounting and dismounting the battery 7, the battery cover 56 is provided at either end face of the rectangular case, the opening of the filter unit installation area 521 is opened at the side of the rectangular box body, and the side of the rectangular box body where the opening of the filter unit installation area 521 is located faces the direction departing from the isolation suit 100 so as to facilitate air intake.
Therefore, the human body and actions are combined, the requirements of human-machine efficacy are met, the effects are further guaranteed, the openings needed by all the functional components are arranged on different surfaces of the rectangular box body, and the structural strength of the main box body 5 can be guaranteed.
Two power fans 53 are installed in the power fan installation area 522, and the air supply directions of the two power fans 53 are the same and are both electrically connected with the battery 7.
Therefore, the using effect can be better guaranteed, the temporary fault can be avoided, the two power fans 53 are electrically connected in parallel, and when one power fan 53 has a fault, the other power fan 53 can be used; and when the condition allows, performing maintenance again.
The number of the battery installation spaces 51 is two, the batteries 7 are correspondingly and respectively installed, the two battery installation spaces 51 are arranged in a collinear manner along the length direction, and the battery covers 56 corresponding to the two battery installation spaces 51 are respectively arranged on two end faces of the rectangular box body; the two batteries 7 are electrically connected with the power fan 53 through the selector switch 71 to realize independent power supply; the battery 7 is connected with an audible alarm unit to make a low voltage alarm by sounding when the voltage is low. Please refer to fig. 14.
Thus, the two batteries 7 can be used alternately, and the service life is prolonged; the battery 7 which is not powered can be taken down for charging, thereby ensuring the continuous use requirement. The alarm unit can prevent the battery 7 from being damaged by over-discharge and prompt the timely switching of power supply and charging according to requirements.
In this embodiment, a temperature adjusting module 55 is disposed in the air outlet region 523 to adjust the temperature of the fresh air sent from the air outlet 54.
Therefore, constant-temperature and constant-pressure air supply can be ensured, and the use comfort is improved. In implementation, the temperature adjusting module 55 is a conventional heat-exchangeable unit, such as a coil, a refrigerant, and a semiconductor heat exchanger, and is electrically connected to the battery 6.
Wherein the filter unit 6 is a replaceable disposable filter element.
Therefore, the filter element type matched with the environment and the use requirement can be selected for installation, and the applicability is improved. During implementation, the filter element with the corresponding shape can be directly installed in the filter unit installation area 521, or a drawer structural member corresponding to the filter unit installation area 521 can be provided, the filter element with the corresponding shape is installed in the drawer structural member to better ensure the use strength and the appearance of the filter element, and in order to ensure the gas fluidity, the drawer structural member can adopt a wall surface with meshes.
The invention also provides a use method of the closed type isolation protective clothing respiration support system, when in use, the air supply quantity of the power fan of the respiration support equipment and the return air quantity of the exhaust fan are matched and set, and the isolation clothing is ensured to keep positive pressure in use. In practice, the regulation of the gas flow can be realized by means of fan power, voltage, controller and the like.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. The respiratory support system of the closed type isolation protective clothing comprises respiratory support equipment and an integrated isolation clothing with a head sleeve, wherein a face window is arranged on the head sleeve; the face window is connected with a face mask capable of shielding the face of a human body in a sealing way; at least the part of the face mask corresponding to the eyes of the human body is transparent, and a penetrating air inlet part is arranged on the face mask; the method is characterized in that: the air inlet part is positioned at the upper part of the mask and is higher than the part of the mask corresponding to the eyes of the human body; the isolation suit is also provided with a through exhaust part; the exhaust part is positioned below the air inlet part; the exhaust part is arranged on the face mask and is positioned at the lower part of the face mask and lower than the part of the face mask corresponding to the mouth of the human body;
the respiratory support equipment is connected to the outer side of the isolation suit and positioned at the rear part of a human body, and comprises a main box body, wherein a battery installation space, an air return space and a fresh air circulation space are arranged in the main box body, the fresh air circulation space is sequentially divided into a filter unit installation area, a power fan installation area and an air outlet area according to the air flow direction, a filter unit is installed in the filter unit installation area, one surface of the filter unit installation area is open so as to facilitate installation of the filter unit and inflow of fresh air, the air outlet area is provided with an air outlet, and a power fan is installed in the power fan installation area so as to provide driving force for enabling fresh air to flow in from the open and to be sent out from the air outlet; the wall of the air return space is respectively provided with an air suction opening and an exhaust fan for exhausting air outwards; a battery is arranged in the battery mounting space and is electrically connected with the power fan and the exhaust fan; the air outlet is connected with the air inlet part through an air inlet hose so as to supply air into the isolation suit; the air suction port is connected with the exhaust part through an air return hose so as to realize air return and form good air circulation in the isolation clothes;
the air inlet part comprises an air inlet pipe penetrating through the mask, the air inlet pipe penetrates through the part, corresponding to the forehead of a human body, of the mask, the outer end of the air inlet pipe is formed into an air inlet, the inner end of the air inlet pipe is connected with a support piece, the support piece is positioned on the inner side of the part, corresponding to the forehead of the human body, of the mask and corresponds to the inner side in shape, so that the air inlet pipe can be attached to the forehead of the human body and plays a supporting role when in use, a certain distance can be kept between the face of the human body and the mask, the support piece is of a cavity structure with a hollow inner cavity, the lower end of the support piece is open, the inner end of the air inlet pipe is communicated with the hollow inner cavity of the support piece, the lower end of the support piece; the air inlet hose is communicated with the air outlet and the air inlet.
2. The respiratory support system of a closed barrier suit according to claim 1, wherein: the outer end of the air inlet pipe extends upwards to facilitate the connection of an air inlet hose, and the air inlet hose passes through the rear part of the human body and bypasses the radian of the top of the human head to the front part to be connected with the air inlet; the outside of the isolation suit is provided with a plurality of pipe hoops used for fixing the air inlet hose.
3. The respiratory support system of a closed barrier suit according to claim 1, wherein: the air inlet pipe, the supporting piece and the mask are of an integrated structure, and one side face, close to the mask, of the supporting piece is coplanar with the part, corresponding to the forehead of a human body, of the mask.
4. The respiratory support system of a closed barrier suit according to claim 1, wherein: a circle of bonding glue is arranged at the edge position of the outer side of the face mask and is bonded with the inner side of the edge of the face window through the bonding glue; the outside of the isolation suit is provided with a plurality of pipe hoops used for fixing the return air hose.
5. The respiratory support system of a closed barrier suit according to claim 1, wherein: the main box body is a rectangular box body with a horizontal long edge, the battery installation space is transversely arranged at the lower part of the rectangular box body along the long edge direction, the return air space and the fresh air circulation space are transversely arranged at the upper part of the rectangular box body along the long edge direction and are respectively positioned at two ends, and the exhaust fan is arranged on the corresponding end surface; the air suction opening and the air outlet are both arranged on the upper surface of the rectangular box body, the battery mounting space is provided with a corresponding battery cover so as to load and unload the battery, the battery cover is arranged on any end face of the rectangular box body, and the opening of the filter unit mounting area is arranged on one side face, far away from the isolation clothes, of the rectangular box body.
6. The respiratory support system of a closed barrier suit according to claim 5, wherein: the number of the battery installation spaces is two, and batteries are correspondingly and respectively installed; the two battery installation spaces are arranged in a collinear way along the length direction, and the battery covers corresponding to the two battery installation spaces are respectively arranged on two end faces of the rectangular box body; the two batteries are electrically connected with the power fan through the change-over switch to realize independent power supply.
7. The respiratory support system of a closed barrier suit according to claim 1, wherein: two power fans are arranged in the power fan mounting area, and the air supply directions of the two power fans are consistent and are electrically connected with the battery; and a temperature adjusting module is arranged in the air outlet area so as to adjust the temperature of the fresh air sent out from the air outlet.
8. The respiratory support system of a closed barrier suit according to claim 1, wherein: the filter unit is a changeable disposable filter element; the face mask is a transparent plastic plate in a spherical form.
9. A method of using a closed barrier suit respiratory support system according to any one of claims 1 to 8, wherein: the air supply quantity of a power fan of the respiratory support equipment and the air return quantity of an exhaust fan are set in a matched mode, and the isolation suit is kept at positive pressure when in use.
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| CN111803815B (en) * | 2020-06-02 | 2021-08-03 | 湖州师范学院 | Antiviral intelligent regulation protection headgear |
| CN111772256A (en) * | 2020-07-09 | 2020-10-16 | 贵州医科大学 | Epidemic prevention clothes with breathing function |
| WO2022036548A1 (en) * | 2020-08-18 | 2022-02-24 | 卢恩光 | Fully encapsulating one-way circulation ventilation type protective clothing |
| CN112156582A (en) * | 2020-09-29 | 2021-01-01 | 广州拜费尔空气净化材料有限公司 | Protective device |
| RU207784U1 (en) * | 2021-01-22 | 2021-11-16 | Константин Борисович Плешко | Respiratory protection device |
| CN113576062A (en) * | 2021-08-19 | 2021-11-02 | 中国铁道科学研究院集团有限公司节能环保劳卫研究所 | Healthy protective equipment suitable for operation of plateau tunnel |
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