CN212548025U

CN212548025U - Positive pressure breathing mask for biological protection

Info

Publication number: CN212548025U
Application number: CN202021121722.XU
Authority: CN
Inventors: 刘宝成; 问清华; 吴政春; 王艳红; 李莎; 田湘宁; 杨友平; 戴盈
Original assignee: Shenzhen Xinbang Protection Technology Co ltd
Current assignee: Shenzhen Xinbang Protection Technology Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-02-19
Anticipated expiration: 2030-06-16

Abstract

The utility model provides a malleation respirator for biological protection, a serial communication port, the face guard outside is equipped with connector and expiratory valve, the connector is used for connecting the air supply breathing machine so that non-contaminated air passes through the connector gets into in the face guard, the gas of human exhalation passes through the expiratory valve is discharged, install the conversation subassembly of connecting mobile terminal in the face guard, the conversation subassembly include wind channel, vibrating diaphragm, with the coil that the vibrating diaphragm links to each other and quilt magnet that the coil encircles, sound passes through behind the wind channel quilt the vibrating diaphragm response, and then conduct extremely through electromagnetic induction mobile terminal.

Description

Positive pressure breathing mask for biological protection

Technical Field

The utility model relates to a biological protection equipment field especially relates to a malleation respirator for biological protection.

Background

When carrying out the disease detection or the treatment that the infectivity is high, medical personnel often need to wear corresponding protective equipment for biological protection, and positive pressure respirator and power supply respirator belong to one kind in the protective equipment, but just because the improvement of protection rank, lead to wearing the medical personnel of positive pressure respirator often to be difficult to communicate, and the external environment is noisy on the one hand, has the air current or the air current that air supply respirator constantly supplyed and produced in the positive pressure respirator on the one hand, consequently needs a positive pressure respirator for biological protection that can be convenient for communicate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a malleation respirator for biological protection

The utility model provides a malleation respirator for biological protection, the face guard outside is equipped with connector and expiratory valve, the connector is used for connecting air supply breathing machine so that non-contaminated air gets into in the face guard through the connector, and the gas of human exhalation passes through the expiratory valve and discharges, install the conversation subassembly of connecting mobile terminal in the face guard, the conversation subassembly includes wind channel, vibrating diaphragm, with the coil that the vibrating diaphragm links to each other and by the magnet that the coil was encircleed, sound is through behind the wind channel by the vibrating diaphragm response, and then through electromagnetic induction and conduct to mobile terminal;

the wind channel includes one end with the first passageway and two at least one ends of vibrating diaphragm intercommunication with the second passageway of first passageway intercommunication, other end and the inside intercommunication of face guard, just the angle of incidence of second passageway is inequality each other, arbitrary the second passageway with the second connector of the intercommunication of first passageway all is located not co-altitude.

Further, the sum of the areas of the first connecting ports, communicated with the interior of the mask, of all the second channels is larger than the area of the third connecting port, communicated with the vibrating membrane, of the first channel.

Furthermore, the face guard includes two the connector, locates respectively the face guard both sides, when one of them is used for being connected with air supply breathing machine, installs the end cap on the other.

Furthermore, the communication assembly is connected with the mobile terminal through a wire penetrating through the face mask, and a sealing ring is arranged at the joint of the wire and the face mask.

The utility model discloses a be provided with the conversation subassembly of being connected with mobile terminal in respirator, through setting up the different second passageway of a plurality of incident angles in order to weaken the wind noise and the expiratory sound that possess the directionality to strengthen the conversation sound of non-directionality, so that the conversation effect is better under the condition of wearing respirator.

Drawings

Fig. 1 is an overall schematic view of a positive pressure respiratory mask for biological protection according to an embodiment of the present invention.

FIG. 2 is an angular schematic view of the embodiment of FIG. 1.

Fig. 3 is a side sectional view of the embodiment of fig. 1.

Fig. 4 is a partially enlarged view of fig. 3 at the circle a.

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 some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that 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. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be further noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-2, the utility model provides a malleation respirator 100 for biological protection, the face guard 100 outside is equipped with connector 10 and expiratory valve 20, connector 10 is used for connecting air supply respirator 200 so that non-contaminated air passes through connector 10 gets into in the face guard 100, and the gas of human body exhalation passes through expiratory valve 20 discharges, install the conversation subassembly 30 of connecting mobile terminal 40 in the face guard 100, conversation subassembly 30 includes wind channel 31, vibrating diaphragm 32, with coil 33 that the vibrating diaphragm 32 links to each other and by magnet 34 that coil 33 encircles, sound is through behind the wind channel 31 by the vibrating diaphragm 32 response, and then conduct to mobile terminal 40 through electromagnetic induction, through being provided with conversation subassembly 30 in the face guard 100 to avoid external noisy noise to influence the conversation.

Preferably, the mask 100 comprises two connection ports 10 respectively arranged at two sides of the mask 100, and when one of the connection ports is used for connecting the air supply respirator 200, the other connection port is provided with a plug.

Specifically, the communication assembly 30 is connected with the mobile terminal 40 through a wire passing through the mask 100, and a sealing ring is arranged at the connection position of the wire and the mask 100.

Referring to fig. 3 to 4, the air duct 31 includes a first channel 311 having one end communicating with the diaphragm 32 and at least two second channels 312 having one end communicating with the first channel 311 and the other end communicating with the inside of the mask 100, and the incident angles of the second channels 312 are different from each other, so that when the non-directional speech sound and the directional wind noise are received by the diaphragm 32 through the second channels 312, the wind noise is attenuated and the speech sound is enhanced, thereby improving the speech quality.

Preferably, the second connection ports 3122 of the second channel 312 and the first channel 311 are located at different heights, so that a straight-through sound path is not easily formed between the second channels 312, and thus, a call sound is improved.

Preferably, the sum of the areas of the first connection ports 3121 of all the second passages communicating with the inside of the mask 100 is larger than the area of the third connection ports 3111 of the first passages communicating with the diaphragm 32, so as to enhance the intensity of sound transmitted into the diaphragm 32.

Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.

Some features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the present invention.

Claims

1. A positive pressure breathing mask for biological protection is characterized in that a connecting port and an exhalation valve are arranged on the outer side of the mask, the connecting port is used for being connected with an air supply respirator so that pollution-free air can enter the mask through the connecting port, air exhaled by a human body can be exhausted through the exhalation valve, a communication component connected with a mobile terminal is installed in the mask, the communication component comprises an air duct, a vibrating membrane, a coil connected with the vibrating membrane and a magnet surrounded by the coil, and sound is induced by the vibrating membrane after passing through the air duct and then is conducted to the mobile terminal through electromagnetic induction;

the wind channel includes one end with the first passageway and two at least one ends of vibrating diaphragm intercommunication with the second passageway of first passageway intercommunication, other end and the inside intercommunication of face guard, just the angle of incidence of second passageway is inequality each other, the first connector of second passageway and external intercommunication is located the coplanar, arbitrary the second passageway with the second connector of the intercommunication of first passageway all is located not co-altitude.

2. The positive pressure respiratory mask according to claim 1, wherein the sum of the first connection port areas of all of the second passages communicating with the mask interior is greater than the third connection port area of the first passages communicating with the diaphragm.

3. The positive pressure respirator of claim 1, wherein the mask includes two connection ports, each of which is disposed on either side of the mask, and wherein when one of the connection ports is used to connect to a supply air respirator, the other connection port is provided with a plug.

4. The positive pressure respiratory mask according to claim 1, wherein the communication assembly is connected with the mobile terminal through a wire passing through the mask, and a sealing ring is arranged at the connection position of the wire and the mask.