CN111165971A - A new type of breathable protective clothing structure - Google Patents

Abstract

The invention provides a novel breathable protective clothing structure, comprising a six-layer fabric structure and a coaxial tube (7); the six-layer fabric structure is a functional fabric layer (1) and a first buffer insulation layer in order from the surface of the human body outwards (2), airbag layer (3), protective layer (4), second buffer insulation layer (5), waterproof and heat insulation layer (6); the coaxial tube (7) is a square tube, including an inner tube (71) ), a middle pipe (72) and an outer pipe (73); the inner pipe (71) is provided with a nozzle switch (722); the middle pipe (72) is sequentially provided with an adsorption sponge layer (721), a square blocking block ( 723), an activated carbon layer (724); the outer tube (73) is composed of a first square outer tube (731), a second square outer tube (732), and a third square outer tube (733). The structure has a good effect of isolating external germs, and at the same time, it can effectively avoid the occurrence of the internal temperature rise, excessive air pressure and excessive sweating of the protective clothing.

Description

Novel ventilative protective clothing structure

Technical Field

The invention relates to the technical field of medical protection, in particular to a novel breathable protective garment structure.

Background

For people who work and live in susceptible people and in special environments, protection measures are needed for self health and work due to frequent contact with polluted articles and air. For example, medical care personnel in hospitals need to be in close contact with some infectious patients or infectious animals, the current protective measures are to wear masks, gloves, protective clothing and the like, but when the patients or animals with strong infectious diseases, such as ebola, avian influenza, hemorrhagic fever, SARS, novel coronavirus and other high-risk pathogenic organisms are suffered, the probability of infection of the medical care personnel is very high due to improper protection.

The protective clothing has high sealing requirement, and sweat discharged by people after wearing the protective clothing can not be evaporated, so that the underwear is completely wetted by the sweat, and meanwhile, the daily working strength of medical workers is high, and the physical consumption is very high, so that the protective clothing is not only complex in wearing and very uncomfortable to wear, but also can cause diseases, such as eczema, miliaria and other skin diseases; in addition, the extremely high sealing performance of the protective clothing causes the body temperature of a human body to be incapable of being dissipated normally, the temperature in the protective clothing is gathered, the internal temperature is extremely high, the working environment and the body health of medical workers are seriously affected, and even the medical workers are heated and suffocated.

The existing protective clothing with the ventilation function has low safety performance, is easy to invade into the protective clothing by outside gas, has poor comfort, can only work for a short time when a worker wears the protective clothing, has poor clothing load and sealing performance, and is difficult to work for a long time.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a novel breathable protective clothing structure, which can effectively protect medical personnel, ensure that the internal environment and the external environment of the protective clothing can exchange gas and heat, and avoid the conditions of temperature rise, over-high air pressure and over-high sweat in the protective clothing.

The purpose of the invention is realized by the following technical scheme:

a novel ventilative protective clothing structure which characterized in that: comprises a six-layer fabric structure and a coaxial pipe; the six-layer fabric structure sequentially comprises a functional fabric layer, a first buffer heat-insulation layer, an air bag layer, a protective layer, a second buffer heat-insulation layer and a waterproof heat-insulation layer from the surface of a human body to the outside; one end of the coaxial pipe is arranged in the functional fabric layer, the other end of the coaxial pipe sequentially penetrates through the functional fabric layer, the first buffer heat-insulation layer, the air bag layer, the protective layer, the second buffer heat-insulation layer and the waterproof heat-insulation layer, and the end part of the coaxial pipe is exposed out of the waterproof heat-insulation layer;

the coaxial pipe is a square pipe and comprises an inner pipe, a middle pipe and an outer pipe, and the center lines of the inner pipe, the middle pipe and the outer pipe are all on the same straight line; the inner pipe, the middle pipe and the outer pipe are exposed out of the end part of the waterproof heat-insulating layer and are reduced in a step shape, and a one-way exhaust valve is arranged at the port position of the inner pipe; an adsorption sponge layer is arranged from the port position of the middle pipe to a position flush with the end surface of the waterproof heat-insulating layer, a pipe orifice switch is arranged in the inner pipe, and the top end surface of the pipe orifice switch is coplanar with the bottom end surface of the adsorption sponge layer; a square plugging block is arranged in the middle tube and below the adsorption sponge layer, the top end face of the square plugging block is coplanar with the bottom end face of the pipe orifice switch, and the square plugging block is provided with a square through hole corresponding to the pipe orifice switch; an activated carbon layer is arranged at a port of the middle pipe close to the functional fabric layer; the outer pipe consists of a first square outer pipe, a second square outer pipe and a third square outer pipe, the first square outer pipe, the second square outer pipe and the third square outer pipe are all concave pipes, the inner walls of the first square outer pipe, the second square outer pipe and the third square outer pipe are abutted against the outer wall of the middle pipe, the ports of the ends, exposed out of the waterproof heat-insulating layer, of the first square outer pipe and the second square outer pipe are flush, the port of the other end of the first square outer pipe is arranged in the air bag layer and flush with the port of one end of the third square outer pipe, the port of the other end of the second square outer pipe is arranged in the protective layer, and the port of the other; the second square outer tube is communicated with the adsorption sponge layer through a thin liquid guide tube, and a one-way air valve is arranged at the port of the third square outer tube in the air bag layer.

Furthermore, the side length of the cross section of the middle pipe is two times of that of the cross section of the inner pipe, and the side length of the cross section of the outer pipe is three times of that of the cross section of the middle pipe.

Further, the pipe orifice switch consists of a first square switch and a second square switch; the square through hole corresponding to the first square switch and the second square switch is respectively a first square through hole and a second square through hole; the spout switch can through the spout that sets up at square sprue upper surface the inner tube slides to in the well intraductal, just the spout switch is located directly over the square through-hole for seal the square through-hole.

Furthermore, the functional fabric layer is made of functional fabric with the functions of moisture absorption and sweat release and good air permeability.

Further, the first buffer heat-insulation layer and the second buffer heat-insulation layer are made of light down or light cotton velvet.

Furthermore, the upper layer fabric and the lower layer fabric of the protective layer adopt waterproof fabrics, and the inner layer of the protective layer adopts sponge materials with large adsorption capacity; and a waterproof sealing ring is arranged at the joint of the protective layer and the coaxial pipe.

Furthermore, an air leakage prevention sealing ring is arranged at the joint of the air bag layer and the coaxial pipe.

Furthermore, the waterproof heat-insulating layer is made of fabric with waterproof heat-insulating function.

Furthermore, the ports of the waterproof and heat-insulating layer exposed out of the first square outer pipe and the second square outer pipe are provided with closing pistons; the air bag layer is internally provided with an air pressure sensor for detecting the air pressure in the air bag layer, and the air pressure sensor is connected with an alarm device arranged on the waterproof heat-insulating layer.

Furthermore, the protective clothing structure is used for a protective clothing jacket and trousers, wherein the jacket and the trousers are one-piece clothes and are connected through a zipper.

Further, the trousers are provided with a liquid storage bag for storing liquid, and the port of the waterproof and heat-insulating layer exposed out of the second square outer tube is connected with the liquid storage bag.

Further, a controller is arranged at the hand position of the jacket, and the controller is electrically connected with the pipe orifice switch and used for controlling the operation of the pipe orifice switch.

The invention has the following technical effects:

the invention protects the human body by inflating the air bag layer and injecting disinfectant into the protective layer, has strong isolation effect and good tightness, and can effectively isolate virus or bacteria which can produce infectious diseases. The gas that produces through the human body lasts the compression to the gasbag layer, and then lasts the compression to the sponge in the inoxidizing coating, makes the antiseptic solution in the sponge continuously get into the disinfection ability on absorption sponge layer, assurance absorption sponge layer through the square outer tube of second to ensure that the air that gets into well pipe does not contain virus and bacterium, guarantee the pureness of the gas that gets into in the protective clothing. The inner tube and the one-way exhaust valve ensure the gas in the protective clothing to be exhausted and ensure the stability of the internal air pressure; through the cooperation of inner tube and well pipe and mouth of pipe switch, square sprue, inside the existing effect prevents that outside virus or bacterium from getting into the protective clothing, guaranteed the inside gaseous and outside gaseous interaction of protective clothing again, guarantee the gas permeability and the atmospheric pressure of protective clothing, improve medical personnel's the travelling comfort of dressing.

Meanwhile, high temperature generated in the protective clothing can be taken away through gas exchange, the temperature of the exchanged gas is reduced by matching with the flowing of the outer tube disinfection liquid, the heat exchange of the gas is accelerated, the temperature loss in the protective clothing is accelerated, the high temperature generated in the protective clothing is reduced, and the safety of medical personnel is ensured.

Sweat of medical personnel is adsorbed through the functional fabric layer, so that the situations of eczema and the like caused by excessive sweat are avoided; medical care personnel are protected by the buffer heat-insulation layer; meanwhile, the structure can also adjust the temperature of the air sac layer by adjusting the temperature of the input air, so that the internal temperature of the protective clothing is further adjusted. This structural security is high, the travelling comfort is high, can effectively solve current protective clothing thickness, the gas permeability is poor, inside temperature is high, the big problem of atmospheric pressure.

Drawings

FIG. 1 is a schematic view of the structure of a breathable protective garment according to an embodiment of the present invention.

FIG. 2 is a schematic structural view of a coaxial tube in an embodiment of the present invention.

3 fig. 33 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 of 3 fig. 32 3. 3

Fig. 4 is a partially enlarged view of fig. 2 in the direction B.

Wherein, 1, a functional fabric layer; 2. a first buffer insulating layer; 3. an air bag layer; 4. a protective layer; 5. a second buffer insulating layer; 6. a waterproof heat-insulating layer; 7. a coaxial tube; 71. an inner tube; 711. a one-way exhaust valve; 72. a middle tube; 721. a sponge layer is adsorbed; 722. opening and closing of the pipe orifice; 7221. a first square switch; 7222. a second square switch; 723. a square block; 7231. a first square through hole; 7232. a second square through hole; 724. an activated carbon layer; 73. an outer tube; 731. a first square outer tube; 732. a second square outer tube; 733. a third square outer tube; 734. a thin catheter; 735. the piston is closed.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention.

As shown in fig. 1-4, a novel breathable protective garment structure is characterized in that: comprises a six-layer fabric structure and a coaxial pipe 7; the six-layer fabric structure sequentially comprises a functional fabric layer 1, a first buffer heat-insulation layer 2, an air bag layer 3, a protective layer 4, a second buffer heat-insulation layer 5 and a waterproof heat-insulation layer 6 from the surface of a human body to the outside; one end of the coaxial pipe 7 is arranged in the functional fabric layer 1, the other end of the coaxial pipe sequentially penetrates through the functional fabric layer 1, the first buffer heat-preservation layer 2, the air bag layer 3, the protective layer 4, the second buffer heat-preservation layer 5 and the waterproof heat-insulation layer 6, and the end part of the coaxial pipe is exposed out of the waterproof heat-insulation layer 6; the coaxial tubes 7 are evenly distributed on the protective clothing.

The coaxial pipe 7 is a square pipe and comprises an inner pipe 71, a middle pipe 72 and an outer pipe 73, and the central lines of the inner pipe 71, the middle pipe 72 and the outer pipe 73 are all on the same straight line; the side length of the cross section of the middle pipe 72 is twice that of the cross section of the inner pipe 71, and the side length of the cross section of the outer pipe 73 is three times that of the cross section of the middle pipe 72. The end parts of the inner pipe 71, the middle pipe 72 and the outer pipe 73, which are exposed out of the waterproof heat-insulating layer 6, are reduced in a stepped manner, and a one-way exhaust valve 711 is arranged at the port position of the inner pipe 71.

An adsorption sponge layer 721 is arranged at the position from the port of the middle pipe 72 to the position flush with the end face of the waterproof heat-insulating layer 6, a pipe orifice switch 722 is arranged in the inner pipe 72, and the top end face of the pipe orifice switch 722 is coplanar with the bottom end face of the adsorption sponge layer 721; a square block 723 is arranged in the middle pipe 72 and below the adsorption sponge layer 721, the top end face of the square block 723 is coplanar with the bottom end face of the nozzle switch 722, and the square block 723 is provided with a square through hole corresponding to the nozzle switch 722; the nozzle switch 722 is composed of a first square switch 7221 and a second square switch 7222; the square through holes corresponding to the first square switch 7221 and the second square switch 7222 are a first square through hole 7231 and a second square through hole 7232, respectively; the nozzle switch 722 can slide into the middle pipe 72 from the inner pipe 71 through a sliding groove formed in the upper surface of the square block 723, and the nozzle switch 722 is positioned right above the square through hole and used for closing the square through hole; that is, the first square switch 7221 slides right above the first square through hole 7231, and the second square switch 7222 slides right above the second square through hole 7232, so as to block the middle pipe 72 and open the inner pipe 71, as shown in fig. 3, the inner pipe 71 is blocked and the middle pipe 72 is opened; adopt square tubular construction when satisfying above-mentioned function, when avoiding well pipe 72 to close, the gas in the inner tube 71 flows into well pipe 72, influences the atmospheric pressure in the protective clothing. An activated carbon layer 724 is arranged on the middle pipe 72 close to the port of the functional fabric layer 1.

The outer pipe 73 is composed of a first square outer pipe 731, a second square outer pipe 732 and a third square outer pipe 733, the first square outer pipe 731, the second square outer pipe 732 and the third square outer pipe 733 are all concave pipes, the inner walls of the first square outer pipe 731, the second square outer pipe 732 and the third square outer pipe 733 are abutted against the outer wall of the middle pipe 72, the ports of the ends, exposed out of the waterproof and heat-insulating layer 6, of the first square outer pipe 731 and the second square outer pipe 732 are flush, the port of the other end of the first square outer pipe 731 and the port of the other end of the first square outer pipe 731 are arranged in the airbag layer 3 and flush with the port of one end of the third square outer pipe 733, the port of the other end of the second square outer pipe 732 is; the second square-shaped outer tube 732 is communicated with the adsorption sponge layer 721 through a thin catheter 734, and the third square-shaped outer tube 733 is provided with a one-way air valve (not shown) at a port in the air bag layer 3. A closing piston 735 is arranged at the port of the waterproof and heat-insulating layer 6 exposed out of the first square outer pipe 731 and the second square outer pipe 732; an air pressure sensor is arranged in the air bag layer 3 and used for detecting air pressure in the air bag layer 3, and the air pressure sensor is connected with an alarm device arranged on the waterproof heat-insulating layer 6.

The functional fabric layer 1 is made of functional fabric with moisture absorption and sweat releasing functions and good air permeability; the first buffer heat-insulation layer 2 and the second buffer heat-insulation layer 5 adopt light down or light cotton velvet; the upper and lower layer fabrics of the protective layer 4 are made of waterproof fabrics, and the inner layer of the protective layer 4 is made of sponge materials with large adsorption capacity; a waterproof sealing ring (not shown in the figure) is arranged at the joint of the protective layer 4 and the coaxial pipe 7; an air leakage prevention sealing ring (not shown) is arranged at the joint of the air bag layer 3 and the coaxial pipe 7; the waterproof heat-insulating layer 6 is made of fabric with waterproof heat-insulating function.

The coaxial pipe 7 can be made of a conduit made of plastic or rubber.

The protective clothing structure is used for a protective clothing jacket and trousers, and the jacket and the trousers are one-piece clothing and are connected through a zipper; the trousers are provided with a liquid storage bag for storing liquid, and the port of the second square outer pipe 732 exposed out of the waterproof and heat-insulating layer 6 is connected with the liquid storage bag. The hand position of the jacket is provided with a controller, and the controller is electrically connected with the nozzle switch 722 and is used for controlling the operation of the nozzle switch 722.

The working principle is as follows: the total uninflated thickness of the six-layer fabric structure is consistent with the thickness of common protective clothing, and the thickness of the air bag layer 3 after inflation is 2-3.5 times of the original thickness; the maximum diameter of the coaxial tube 7 corresponds to the total thickness of the six-layer panel structure when uninflated. Firstly, the air bag layer 3 is inflated through the first square outer tube 731, and a disinfection liquid (which can be 75% of medical alcohol or other disinfection liquid) is injected into the protective layer 4 through the second square outer tube 732, so that a certain pressure is kept in the air bag layer 3, and external air and germs are effectively prevented from entering the protective clothing; the closing piston 735 is tightly plugged to the nozzle of the first and second square outer tubes 731 and 732, and the nozzle switch 722 is initially positioned within the inner tube 71. After the medical care personnel wear the protective clothing orderly, the medical care personnel control the first square switch 7221 to slide into the middle pipe 72 through the controller, the second square switch 7222 keeps the initial position, at the moment, external air enters the middle pipe through the second square through hole 7232 after being sterilized by the adsorption sponge layer 721 with disinfectant, and the activated carbon layer 734 is used for adsorbing moisture and residual disinfectant components in the air; a part of gas generated inside the protective suit is discharged out of the protective suit through a hole left by the movement of the first square switch 7221 in the inner pipe 71 (because the port of the inner pipe 71 is provided with the one-way exhaust valve 711, external gas cannot enter the inside of the protective suit through the inner pipe 71), and the gas inside and outside the protective suit is circulated; another part of the gas generated inside the protective suit flows into the air bag layer 3 through the third square outer tube 733, the air bag layer 3 continuously compresses the protective layer 4, so that the disinfectant in the protective layer 4 continuously enters the adsorption sponge layer 721 through the second square outer tube 732, the concentration of the disinfectant in the adsorption sponge layer 721 is ensured, and the inactivation caused by too low concentration of the disinfectant is avoided; meanwhile, the continuous circulation of the liquid is beneficial to reducing the temperature of the circulation of the inner pipe 71 and the middle pipe 72, and the heat exchange of the gas in the inner pipe 71 and the middle pipe 72 is accelerated, so that the temperature in the protective clothing is reduced.

Claims (10)

1. A new type of breathable protective clothing structure, characterized in that: it comprises a six-layer fabric structure and a coaxial tube (7); the six-layer fabric structure is a functional fabric layer (1), a first buffer layer from the surface of the human body outwards in order The thermal insulation layer (2), the airbag layer (3), the protective layer (4), the second buffer thermal insulation layer (5), and the waterproof thermal insulation layer (6); one end of the coaxial tube (7) is arranged on the functional fabric In the layer (1), the other end passes through the functional fabric layer (1), the first buffer insulation layer (2), the airbag layer (3), the protective layer (4), the second buffer insulation layer (5), and the waterproof insulation layer in sequence. a thermal layer (6) with the waterproof and thermal insulation layer (6) exposed at the end; The coaxial tube (7) is a square tube, including an inner tube (71), a middle tube (72) and an outer tube (73), the inner tube (71), the middle tube (72) and the outer tube (73) The middle lines of the inner tube (71), the middle tube (72) and the outer tube (73) are exposed to the waterproof and thermal insulation layer (6) and the ends are lowered in a stepped shape and the inner tube (71) ) port position is provided with a one-way exhaust valve (711); an adsorption sponge layer (721) is provided at the port position of the middle pipe (72) to the position flush with the end face of the waterproof and heat insulation layer (6). (71) A nozzle switch (722) is provided inside, and the top end face of the nozzle switch (722) is coplanar with the bottom end face of the adsorption sponge layer (721); in the middle pipe (72), the adsorption A square blocking block (723) is arranged below the sponge layer (721), the top end face of the square blocking block (723) and the bottom end face of the nozzle switch (722) are coplanar, and the square blocking block (723) corresponds to the pipe The port switch (722) is provided with a square through hole; the middle pipe (72) is provided with an activated carbon layer (724) near the port of the functional fabric layer (1); the outer pipe (73) is composed of a first square outer pipe ( 731) is composed of a second square outer tube (732) and a third-shaped outer tube (733). The first square outer tube (731), the second square outer tube (732), and the third-shaped outer tube (733) ) are concave tubes and their inner walls are close to the outer wall of the middle tube (72), the first square outer tube (731) and the second square outer tube (732) are exposed to the waterproof and heat insulation layer ( 6) One end port is flush, and the other end port of the first square outer tube (731) is arranged in the airbag layer (3) and is flush with one end port of the third square outer tube (733), so The other end port of the second square outer tube (732) is arranged in the protective layer (4), and the other end port of the third square outer tube (733) is arranged in the functional fabric layer (1); the The second square outer tube (732) communicates with the adsorption sponge layer (721) through a thin catheter (734), and the port of the third square outer tube (733) in the balloon layer (3) is provided with a single to the air valve. 2 . The structure of a new type of breathable protective clothing according to claim 1 , wherein the functional fabric layer ( 1 ) adopts a functional fabric with moisture absorption and perspiration wicking effect and good air permeability. 3 . 3. A new type of breathable protective clothing structure according to claim 2, characterized in that: the first buffer insulation layer (2) and the second buffer insulation layer (5) are made of lightweight down or lightweight cotton wool. 4. A new type of breathable protective clothing structure according to claim 3, characterized in that: the upper and lower fabrics of the protective layer (4) are made of waterproof fabrics, and the inner layer of the protective layer (4) is made of large adsorption A waterproof sealing ring is provided at the connection between the protective layer (4) and the coaxial pipe (7). 5. A new type of breathable protective clothing structure according to claim 4, characterized in that a leak-proof gas sealing ring is provided at the connection between the airbag layer (3) and the coaxial tube (7). 6 . The structure of a new type of breathable protective clothing according to claim 5 , wherein the waterproof and heat-insulating layer ( 6 ) is made of a fabric with a waterproof and heat-insulating function. 7 . 7. A new type of breathable protective clothing structure according to claim 6, characterized in that: the first square outer tube (731) and the second square outer tube (732) expose the ports of the waterproof and thermal insulation layer (6) A closing piston (735) is provided; an air pressure sensor is arranged in the air bag layer (3), and the air pressure sensor is connected with an alarm device arranged on the waterproof and heat insulation layer (6). 8 . A new type of breathable protective clothing structure according to claim 7 , wherein the protective clothing structure is used for protective clothing tops and trousers, and the tops and trousers are one-pieces connected by zippers. 9 . 9. A new type of breathable protective clothing structure according to claim 8, characterized in that: the trousers are provided with a liquid storage bag for storing liquid, and the second square outer tube (732) exposes the waterproof and thermal insulation layer ( 6) The port is connected to the reservoir. 10 . The new type of breathable protective clothing structure according to claim 9 , wherein a controller is set on the hand position of the upper garment, and the controller is electrically connected with the nozzle switch ( 722 ). 11 .

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