CN111387594A

CN111387594A - Sterilizing protective mask for preventing medical care personnel from infection

Info

Publication number: CN111387594A
Application number: CN202010223236.7A
Authority: CN
Inventors: 李东海
Original assignee: Qingdao Agricultural University
Current assignee: Qingdao Agricultural University
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-07-10

Abstract

The invention discloses a sterilization protective mask for preventing infection of medical workers, which comprises a mask body and an air exchange module, wherein the mask body is connected with the air exchange module through an air conveying pipe, the air exchange module comprises a neck belt, a first air exchange part and a second air exchange part, the first air exchange part sequentially comprises a first filter element protective cover, a first filter element, a first front shell, a first fan, an electrostatic spinning net and a first rear shell from outside to inside, the second air exchange part sequentially comprises a second filter element protective cover, a second filter element, a second front shell, an exhalation valve, a second fan and a second rear shell from outside to inside, the lower end of the second air exchange part is provided with an exhalation hole, the two sides of a switch are respectively provided with an air volume increasing key and an air volume decreasing key, the bottom end of the air exchange module is also provided with a battery, and the first fan and the second fan are electrically connected with the battery. The sterilization protective mask for preventing medical staff from being infected has the advantages of small respiratory resistance, strong comfort and sterilization function.

Description

Sterilizing protective mask for preventing medical care personnel from infection

Technical Field

The invention relates to the field of masks, in particular to a sterilization protective mask for preventing medical staff from being infected.

Background

The protective mask is a respiratory protection article for protecting the respiratory system of a wearer and preventing dust, smoke, gas, steam and microorganisms from being inhaled. Therefore, the status and function of the protective mask are more and more emphasized. For example, people must wear protective masks in public places during the epidemic period of respiratory infectious diseases such as SARS, novel coronavirus, influenza and the like; also for special occupations, such as medical staff, the mask must be worn during the job. According to the physiological structure analysis of a person, the blood circulation of nasal mucosa of the person is vigorous, and a channel in the nasal cavity is very tortuous, so that the nasal mucosa becomes fragile and loses the original physiological function of the nasal cavity after the mask is worn for a long time; under the condition that the mask is well sealed with the face of a user, the user feels that the breathing resistance is increased and the breathing is difficult, and meanwhile, indentations with different degrees appear at the position where the mask is combined with the face of the user, so that the bruise is formed over time, the appearance is not only hindered, and skin infection can also be caused; however, if the mask does not fit well to the face of the user, the protective mask presents a significant hazard to the health and even life safety of the user as the last line of defense against infectious diseases.

In order to reduce the pain and the problem of protection leak when a doctor or a user wears the mask for a long time, the invention aims to solve the technical problem of how to design a sterilization protective mask with good sterilization effect and comfortable wearing.

Disclosure of Invention

The invention aims to solve the problems in the background art and provide a sterilization protective mask for preventing medical staff from being infected. The sterilization protective mask for preventing medical personnel from being infected has a good sterilization effect, effectively prevents respiratory bacteria and viruses from invading, and protects the health of a human body.

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

a sterilization protective mask for preventing infection of medical care personnel comprises a mask body and an air exchange module, wherein the air exchange module is arranged below the mask body, the mask body is connected with the air exchange module through an air conveying pipe, the air exchange module comprises a neck band, a first air exchange part and a second air exchange part, two ends of the neck band are respectively connected with the first air exchange part and the second air exchange part, the first air exchange part sequentially comprises a first filter element protective cover, a first filter element, a first front shell, a first fan, a first electrostatic spinning net and a first rear shell from outside to inside, the second air exchange part sequentially comprises a second filter element protective cover, a second filter element, a second front shell, a second fan, a second electrostatic spinning net and a second rear shell from outside to inside, an exhalation hole is formed in the lower end of the second air exchange part, an exhalation valve is arranged in the exhalation hole, a switch for controlling the start of the first fan and the second fan is arranged at the upper end of the first air exchange part, the both sides of switch are provided with amount of wind respectively and increase key and amount of wind and reduce the key, the bottom of tradeing the wind module still is provided with the battery, first fan, second fan are connected with the battery electricity.

Above-mentioned scheme divide into first portion of ventilating and second portion of ventilating, has used the design of oronasal disconnect-type, separates the air current of mouth and nose, forms respective respiratory area, reduces the influence each other of oronasal breathing, trades the wind part at first portion of ventilating and second and is provided with first fan and second fan respectively, two fans provide sufficient breathing for the user, and the setting of amount of wind increase key and amount of wind decrease key, make wind-force adjustable, adapt to the respiratory volume of user at different states.

The sterilization protective mask for preventing the infection of the medical care personnel comprises a non-woven fabric layer, an activated carbon layer, an electrostatic cotton layer, a framework layer and a face laminating layer from outside to inside in sequence. Preferably, the face adhesive layer is of an annular structure cemented to the periphery of the skeleton layer, and is made of sponge or rubber. The non-woven fabric layer of the sterilization protective mask has strong trapping and blocking effects on particles; the active carbon layer plays a role in filtering; the electrostatic cotton layer is soft and comfortable, can directly contact with the skin and prevents static electricity from being generated; the framework layer has certain toughness and good rebound resilience, and can prevent the mask from deforming; the use of sealing washer is played to facial laminating portion, has solved gauze mask and facial adaptation problem, prevents to produce the problem of leaking hunting, has further improved the filtration virus effect of this gauze mask.

According to the sterilization protective mask for preventing medical staff from being infected, the first ventilation part and the second ventilation part are provided with nasal vent holes, the non-woven fabric layer, the activated carbon layer and the electrostatic cotton layer are provided with air delivery pipe mounting holes matched with the nasal vent holes, one end of the air delivery pipe is connected with the nasal vent holes, and the other end of the air delivery pipe is connected with the air delivery pipe mounting holes.

According to the sterilization protective mask for preventing medical staff from being infected, the first ventilation part is further provided with the electric quantity indicator lamp, and the electric quantity indicator lamp is electrically connected with the battery.

According to the sterilization protective mask for preventing medical staff from being infected, the first ventilation part and the second ventilation part are connected through the magnet.

The sterilization protective mask for preventing the medical staff from being infected comprises a mask body and a hanging lug arranged on the mask body.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. the first air exchange part sequentially comprises a first filter element protective cover, a first filter element, a first front shell, a first fan, a first electrostatic spinning net and a first rear shell from outside to inside, the second air exchange part sequentially comprises a second filter element protective cover, a second filter element, a second front shell, a second fan, a second electrostatic spinning net and a second rear shell from outside to inside, the particle sizes of the first electrostatic spinning net and the second electrostatic spinning net are 30-200 nm, and the first electrostatic spinning net and the second electrostatic spinning net contain nano silver oxide particles, so that the first air exchange part has a filtering effect on fine particles with the particle size of more than 100nm, and also has a filtering and preventing effect on viruses and bacteria.

2. The invention is divided into a first ventilation part and a second ventilation part, and adopts a mouth-nose separated design, and the air delivery pipes connected with the air vents of the nose part separate the air inlet flow of the mouth and the nose to form respective breathing zones, thereby reducing the mutual influence of mouth-nose breathing.

3. The first ventilation part and the second ventilation part are respectively provided with a first fan and a second fan, the two fans provide sufficient breath for a user, and the setting of the air volume increasing key and the air volume reducing key enables the wind power to be adjustable and adapts to the breath volume of the user in different states.

4. The mask body comprises a non-woven fabric layer, an activated carbon layer, an electrostatic cotton layer, a framework layer and a face binding layer in sequence from outside to inside, and the non-woven fabric layer, the activated carbon layer, the electrostatic cotton layer, the face binding layer and the framework are tightly combined together, so that on one hand, the sealing performance of the mask is improved, the air leakage phenomenon is avoided, the framework layer also further improves the air tightness of the mask, the mask is not easy to deform, and a cavity supported by the framework layer leaves enough breathing space for a user, so that the comfort of the user wearing the mask is improved.

5. The use of sealing washer is played to facial laminating portion, has solved gauze mask and facial adaptation problem, prevents to produce the problem of leaking hunting, has further improved the filtration virus effect of this gauze mask.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following will briefly introduce embodiments or drawings used in the description of the prior art, and it is obvious that the following description is only one embodiment of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts.

FIG. 1 is a schematic structural view of a sterilization protective mask for preventing infection of medical staff according to the present invention;

FIG. 2 is a schematic structural view of a ventilation module according to the present invention;

FIG. 3 is an enlarged view of a portion A of FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the construction of a first cartridge and a second cartridge of the present invention;

FIG. 5 is an enlarged view of a portion B of FIG. 2 according to the present invention;

fig. 6 is a schematic view of the mask body structure of the present invention.

1-a mask body, 11-hangers, 12-a non-woven fabric layer, 13-an activated carbon layer, 14-an electrostatic cotton layer, 15-a framework layer, 16-a face laminating layer, 17-an air conveying pipe mounting hole, 2-an air exchange module, 21-a neck band, 22-an air conveying pipe, 23-a nose vent hole, 24-an electric quantity indicator lamp, 25-a first air exchange part, 251-a first filter element protective cover, 252-a second filter element, 253-a first front shell, 254-a first fan, 255-a first electrostatic spinning net, 257-a first rear shell, 26-a second air exchange part, 261-a second filter element protective cover, 262-a second filter element, 263-a second front shell, 264-a second fan, 265-a second electrostatic spinning net, 266-an exhalation hole, 267-a second rear shell, 268-expiratory valve, 271-air volume increase key, 272-air volume decrease key, 273-switch, 28-magnet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments of the present invention, belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to fig. 1-3 and 5, a sterilization protective mask for preventing medical staff infection includes a mask body 1 and an air exchange module 2, the air exchange module 2 is disposed below the mask body 1, the mask body 1 is connected to the air exchange module 2 through an air duct 22, the air exchange module 2 includes a neck belt 21, a first air exchange portion 25 and a second air exchange portion 26, two ends of the neck belt 21 are respectively connected to the first air exchange portion 25 and the second air exchange portion 26, the first air exchange portion 25 sequentially includes a first filter cartridge protection cover 251, a first filter cartridge 252, a first front shell 253, a first fan 254, a first electrostatic spinning net 255 and a first rear shell 257 from outside to inside, the second air exchange portion 26 sequentially includes a second protection cover 261, a second filter cartridge 262, a second front shell 263, a second fan 264, a second electrostatic spinning net and a second rear shell 267 from outside to inside, an exhalation hole 264 is disposed at the lower end of the second air exchange portion 26, an exhalation hole 266 is disposed in the second air exchange portion 254, a battery plug button 266 is disposed in the front shell, a second air supply button 83 is disposed in the second air exchange portion of the mask body, and a battery plug 150, and a battery plug 273 of the second air exchange module are disposed in the first air plug 150, the second air exchange portion 150, the second air plug 150 is disposed in the respirator shell, and a battery plug 150, the respirator is disposed in the respirator shell, the respirator shell includes a battery plug 150, and a battery plug 150, the respirator plug is disposed in the respirator plug 150, the respirator plug is disposed in the respirator plug 150, the respirator plug is disposed in the respirator plug 150, the respirator plug is disposed in the.

First electrospun mesh 255 and second electrospun mesh 265 were made by the process of the following technique: dissolving polyvinylidene fluoride in N, N-dimethylformamide to prepare spinning solution with the mass concentration of 8%, adding 1% of nano silver oxide particles with the particle size of 150nm, and performing ultrasonic dispersion; the prepared spinning solution is added into a spinning solution tank of an electrostatic spinning machine for electrostatic spinning, and the spun nano-fibers are directly compounded on the melt-blown polypropylene fiber layer, so that the electrostatic spinning net 255 is prepared. The electrostatic spinning net 255 has the function of anti-virus and sterilization by adding the nano silver oxide particles, and meanwhile, the particle size of the electrostatic spinning net 255 prepared by the method is 30-200 nm, so that the electrostatic spinning net 255 not only has the function of filtering fine particles with the particle size of more than 100nm, but also has the function of finely filtering viruses and bacteria.

Referring to fig. 6, the mask body 1 further includes, from outside to inside, a non-woven fabric layer 12, an activated carbon layer 13, an electrostatic cotton layer 14, a skeleton layer 15, and a facial attachment layer 16. Preferably, the face adhesive layer 16 is an annular structure cemented to the periphery of the framework layer 15, the face adhesive layer 16 is made of sponge or rubber, more preferably, the face adhesive layer 16 is made of elastic TPU sponge, and the framework layer 15 is made of ABS mixed PP with certain toughness and resilience. The non-woven fabric layer 12, the activated carbon layer 13 and the electrostatic cotton layer 14 are respectively bonded together by hot pressing, and then the non-woven fabric layer 12, the activated carbon layer 13, the electrostatic cotton layer 14, the framework layer 15 and the face bonding layer 16 are connected by using a high-frequency welding technology. Specifically, the non-woven fabric layer 12 of the sterilization protective mask plays a strong role in intercepting and blocking particulate matters; the active carbon layer 13 plays roles of absorbing peculiar smell and filtering; the electrostatic cotton layer 14 is soft and comfortable, can directly contact with the skin and prevents static electricity from being generated; the framework layer 15 can support the mask to be separated from the face, so that a user has more breathing space, the wearing comfort is improved, the mask body can be prevented from being folded, the attractiveness of the mask is improved, the edge of the framework layer 15 and the face attaching portion 16 are tightly attached to the face of the user, and the air tightness of the mask is further improved; the face laminating portion 16 plays the use of sealing washer, has solved the driving fit problem of gauze mask with face, prevents to produce the problem of leaking hunting, has further improved the filtration virus effect of this gauze mask.

Preferably, the first ventilation part 25 and the second ventilation part 26 are both provided with nasal vent holes 23, the non-woven fabric layer 12, the activated carbon layer 13 and the electrostatic cotton layer 14 are provided with air delivery pipe mounting holes 17 matched with the nasal vent holes 23, one end of the air delivery pipe 22 is connected with the nasal vent holes 23, the other end of the air delivery pipe is connected with the air delivery pipe mounting holes 17, and the air delivery pipe mounting holes 17 face the nasal cavity of the user. Above-mentioned scheme of this embodiment has used the design of mouth nose disconnect-type, and the defeated tuber pipe 22 through connecting nasal part air vent 23 separates the air current that admits air of mouth and nose, forms respective respiratory area, reduces the respiratory interact of mouth nose, trades wind module 2 and can provide the new trend for the gauze mask is inside, has improved the respiratory comfort of user.

In order to ensure that the battery is replaced in time, an electric quantity indicator lamp 24 is further arranged on the first ventilation part 25, and the electric quantity indicator lamp 24 is electrically connected with the battery.

Preferably, the first ventilation part 25 and the second ventilation part 26 are magnetically connected by a magnet 28. After the first ventilation part 25 is connected with the second ventilation part 26, the sterilization protective mask can be more firmly hung on the neck of a user.

Preferably, the mask body 1 is provided with a hanging lug 11.

When the sterilizing protective mask is used, the sterilizing protective mask is sleeved on the neck of a user through the neck belt 21, the hangers 11 of the mask body 1 are hung on two ears of the user, the switch 273 is turned on, the air volume increasing key 271 and the air volume reducing key 272 respectively control the air inlet volume of the first fan 254 and the air inlet volume of the second fan 264, and if the air volume reducing key 272 is pressed down when the sterilizing protective mask is static, the air inlet volume is reduced; when the user is in strenuous exercise, the air volume increasing key 271 is pressed to increase the air volume. The neck wearing type air delivery pipe greatly reduces the length of the air delivery pipe 22, is convenient for a user to use, and reduces the loss of air in the air delivery pipe 22. When breathing in, the first fan 254 and the second fan 264 simultaneously suck air volume, the air is filtered by the first filter element 252 and the second filter element 262 respectively, and enters the cavity of the air exchange module 2 through the sterilization treatment of the first electrostatic spinning net 255 and the second electrostatic spinning net 265 respectively, and because the first air exchange part 25 and the second air exchange part 26 are both provided with the nose vent holes 23, the air is sent to the nasal cavity through the air delivery pipe 22 for breathing. When the respirator is used for exhaling, air enters the cavity of the second ventilation part 26 through the air transmission pipe 22, the lower end of the second ventilation part 26 is provided with an exhalation hole 266, an exhalation valve 268 is arranged in the exhalation hole 266, the exhalation valve 268 is a one-way air outlet valve and only allows air to be exhaled, external unfiltered air is prevented from entering the respirator body 1, the respirator is closed when a user inhales air and automatically bounces off when exhaling air, and the comfort of the user is improved due to the use of the exhalation valve 268.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a sterilization protective facial mask of prevention medical personnel infection, a serial communication port, including gauze mask body (1) and ventilation module (2), the below of gauze mask body (1) is located in ventilation module (2), gauze mask body (1) is connected with ventilation module (2) through defeated tuber pipe (22), ventilation module (2) are including neck area (21), first portion of ventilating (25) and second portion of ventilating (26) are connected respectively to neck area (21) both ends, first portion of ventilating (25) is by outer to interior first filter core visor (251), first filter core (252), first preceding shell (253), first fan (254), first electrostatic spinning net (255) and first backshell (257) of ventilating respectively, second portion of ventilating (26) is by outer to interior second filter core visor (261) of including in proper order, The air exchange device comprises a second filter element (262), a second front shell (263), a second fan (264), a second electrostatic spinning net (265) and a second rear shell (267), wherein an exhalation hole (266) is formed in the lower end of the second air exchange part (26), an exhalation valve (268) is arranged in the exhalation hole (266), a switch (273) for controlling the first fan (254) and the second fan (264) to start is arranged at the upper end of the first air exchange part (25), an air volume increasing key (271) and an air volume reducing key (272) are respectively arranged on two sides of the switch (273), a battery is further arranged at the bottom end of the air exchange module (2), and the first fan (254) and the second fan (264) are electrically connected with the battery.

2. The sterilization protective mask for preventing the infection of the medical staff according to the claim 1, characterized in that the mask body (1) comprises a non-woven fabric layer (12), an activated carbon layer (13), an electrostatic cotton layer (14), a framework layer (15) and a facial fitting layer (16) from outside to inside in sequence.

3. The antiseptic protective mask for preventing medical staff infection of claim 2, characterized in that the face attaching layer (16) is a ring structure glued to the periphery of the frame layer (15), and the face attaching layer (16) is made of sponge or rubber.

4. The sterilization protective mask for preventing medical staff from being infected according to claim 1, wherein the first ventilation part (25) and the second ventilation part (26) are provided with nasal vent holes (23), the non-woven fabric layer (12), the activated carbon layer (13) and the electrostatic cotton layer (14) are provided with air delivery pipe mounting holes (17) matched with the nasal vent holes (23), one end of the air delivery pipe (22) is connected with the nasal vent holes (23), and the other end of the air delivery pipe (22) is connected with the air delivery pipe mounting holes (17).

5. The sterilization protective mask for preventing medical staff from being infected according to claim 1, wherein an electric quantity indicator light (24) is further arranged on the first ventilation portion (25), and the electric quantity indicator light (24) is electrically connected with a battery.

6. The antiseptic protective mask for preventing infection of medical staff as recited in any of claims 1-5, characterized in that the first ventilating part (25) and the second ventilating part (26) are magnetically connected through a magnet (28).

7. The sterilization protective mask for the prevention of the infection of the medical staff according to any one of the claims 1 to 5, characterized in that the mask body (1) is provided with a hanging ear (11).