CN212756879U

CN212756879U - Full-face mask respirator with sound amplifying device

Info

Publication number: CN212756879U
Application number: CN202021084520.2U
Authority: CN
Inventors: 邹蕾蕾; 邹玉生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-03-23
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a take public address set's full face mask respirator, which comprises a body, the body front end is provided with transparent window, the inboard bottom intermediate position fixedly connected with oronasal mask of transparent window, the inboard intermediate position fixedly connected with adapter of oronasal mask, top one side fixedly connected with wireless transmitter in bottom fixedly connected with second circuit board and the adapter in the adapter, second apron central point puts fixedly connected with miaow head, transparent window outside intermediate position fixedly connected with megaphone, opposite side top fixedly connected with wireless receiver in first circuit board of one side fixedly connected with and the megaphone in the megaphone, first apron central point fixedly connected with speaker. The utility model discloses in, carry out the radio reception to the sound that the person of wearing speaks through the adapter to amplify and spread away sound through the megaphone, thereby transmission scene of a fire information that can be better or communicate the cooperation with other people, be worth wideling popularize.

Description

Full-face mask respirator with sound amplifying device

Technical Field

The utility model relates to a fire-fighting equipment technical field especially relates to a take public address set's full face guard respirator.

Background

The respirator is widely applied to departments of fire fighting, chemical engineering, ships, petroleum, smelting, warehouses, laboratories, mines and the like, and is used for fire extinguishment, rescue and relief work and rescue work of firemen or rescue and rescue personnel under various environments such as dense smoke, toxic gas, steam or oxygen deficiency.

When a fire fighter or a rescue and rescue worker wears the full-face respirator to extinguish a fire, in the environment with extremely high noise such as a fire scene and the like, the speaking sound is not transmitted due to the influence of the full-face respirator, and the transmission of fire scene information or the communication and cooperation with other people are seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a full-face respirator with a sound amplifying device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a full-face respirator with a sound amplifying device comprises a body, wherein a transparent window is arranged at the front end of the body, an oronasal mask is fixedly connected to the middle position of the bottom of the inner side of the transparent window, air suction valves are arranged on two sides of the oronasal mask, a sound pick-up is fixedly connected to the middle position of the inner side of the oronasal mask, a second circuit board for modulating signals is fixedly connected to the bottom in the sound pick-up, a wireless transmitter is fixedly connected to one side of the inner top of the sound pick-up, a second cover plate is connected to the rear end of the sound pick-up through two screws, a microphone head is fixedly connected to the central position of the second cover plate, a sound amplifier is fixedly connected to the middle position of the outer side of the transparent window, a first circuit board for demodulating signals is fixedly connected to one side in the sound amplifier, a wireless receiver, first apron central point puts fixedly connected with speaker, the bottom intermediate position fixedly connected with breathing exhaust valve in the transparent window outside, bottom one side in the transparent window outside is provided with first canister, the bottom opposite side in the transparent window outside is provided with the second canister, body top both sides are through two connecting band fixed connection on the top of bandeau, body bottom both sides are through the bottom of two connecting band fixed connection at the bandeau.

As a further description of the above technical solution:

the other side of the top in the pickup is fixedly connected with a second battery, the second battery is respectively and electrically connected with a second circuit board, the wireless emitter and the microphone, and the second circuit board is respectively and electrically connected with the wireless emitter and the microphone.

As a further description of the above technical solution:

the bottom of the other side in the loudspeaker is fixedly connected with a first battery, the first battery is electrically connected with the first circuit board, the wireless receiver and the loudspeaker respectively, and the first circuit board is electrically connected with the wireless receiver and the loudspeaker respectively.

As a further description of the above technical solution:

the equal fixedly connected with in both sides in the adapter and the megaphone four corners position and the corresponding double-screw bolt of screw.

As a further description of the above technical solution:

the breathing exhaust valve is communicated with the mouth-nose mask, and the first canister and the second canister are communicated with the inner side of the transparent window.

As a further description of the above technical solution:

and the first canister and the second canister are internally provided with antitoxic carbon and a smoke filter layer.

As a further description of the above technical solution:

the edge position of body rear end is provided with the sealing rubber circle, the bandeau is soft elastic rubber material.

The utility model discloses following beneficial effect has:

the utility model discloses in, through be provided with the adapter in the oronasal mask to be provided with the megaphone outside transparent window, when wearing full face guard respirator, just can carry out the radio reception to the sound that the person of wearing speaks through the adapter, and amplify and propagate away sound through the megaphone, thereby transmission scene of a fire information that can be better or communicate the cooperation with other people, solved the difficult problem of conversation in the scene of a fire, be worth wideling popularize.

Drawings

Fig. 1 is a front view of a full facepiece respirator with a sound amplification device according to the present invention;

fig. 2 is a back view of a full facepiece respirator with a sound amplification device according to the present invention;

fig. 3 is a schematic diagram of an internal structure of a microphone according to the present invention;

fig. 4 is an internal structure schematic diagram of the sound pickup provided by the present invention.

Illustration of the drawings:

1. a body; 2. a transparent window; 3. an oronasal mask; 4. a breathing exhaust valve; 5. a loudspeaker; 6. a first canister; 7. a second canister; 8. a sound pickup; 9. sealing the rubber ring; 10. a connecting belt; 11. a headband; 12. an air intake valve; 13. a first cover plate; 14. a speaker; 15. a second cover plate; 16. a microphone; 17. a screw; 18. a stud; 19. a first circuit board; 20. a wireless receiver; 21. a first battery; 22. a second circuit board; 23. a wireless transmitter; 24. a second battery.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a take public address set's full face mask respirator, which comprises a

body

1, 1 front end of body is provided with transparent window 2, transparent window 2 can protect wearer's eyes and face, prevent poison gas, the dust, the damage that harmful substance such as bacterium caused, the inboard bottom intermediate position fixedly connected with oronasal mask 3 of transparent window, when wearing full face mask respirator, dress oronasal mask 3 at oronasal part, not only can play supporting role to whole full face mask respirator, can also effectively protect wearer's respiratory organ, oronasal mask 3 both sides all are provided with inspiratory valve 12, when wearing oronasal mask 3, the wearer can follow oronasal mask 3 external air of inhaling through inspiratory valve 12, and inspiratory valve 12 can prevent that exhaled air from spilling from inspiratory valve 12, oronasal mask 3 inboard intermediate position fixedly connected with adapter 8, bottom fixedly connected with is used for modulating signal's second circuit board 22 and adapter 8 in the adapter, top one side fixedly connected with wireless connection has Emitter 23, adapter 8 rear end is connected with second apron 15 through two screws 17, second apron 15 central point fixedly connected with

miaow head

16, 2 outside intermediate position fixedly connected with megaphone 5 of transparent window, one side fixedly connected with is used for demodulating the first circuit board 19 of signal and the wireless receiver 20 of opposite side top fixedly connected with in the

megaphone

5, 5 front end is connected with first apron 13 through four screws 17, first apron 13 central point fixedly connected with speaker 14. When a wearer speaks, firstly, the voice information of the wearer speaking can be collected through the microphone 16 and converted into an electric signal, then the electric signal is transmitted to the second circuit board 22 to be modulated and then transmitted out through the wireless transmitter 23, then the electric signal is received through the wireless receiver 20 and then transmitted to the first circuit board 19 to be demodulated and processed, then the electric signal is converted into the voice information through the loudspeaker 14 and is transmitted to the outside of the full-face respirator after being amplified, thus the situation that the information is transmitted or is not communicated smoothly with other people after the full-face respirator is worn can be prevented, meanwhile, the transmission of the information through the wireless transmitter 23 and the wireless receiver 20 does not affect the sealing performance of the full-face respirator, the middle position of the bottom outside the transparent window 2 is fixedly connected with the breathing exhaust valve 4, when the oronasal mask 3 is worn, the wearer can exhaust the exhaled air through the breathing exhaust valve, and breathe discharge valve 4 and can prevent that the outside air from directly getting into in the full face mask respirator through breathing discharge valve 4, the bottom one side in the 2 outsides of transparent window is provided with first canister 6, the bottom opposite side in the 2 outsides of transparent window is provided with second canister 7, can be with the poison gas in the air through first canister 6 and second canister 7, the dust, harmful substance filtering such as bacterium, make the respiratory air of wearer cleaner, body 1 top both sides are through the top of two connecting band 10 fixed connection at bandeau 11, body 1 bottom both sides are through the bottom of two connecting band 10 fixed connection at bandeau 11, cover body 1 at face earlier, and make the oronasal mask 3 cover at the oronasal part, then can accomplish the wearing of full face mask respirator at the head with bandeau 11 cover.

The other side of the top in the sound pick-up 8 is fixedly connected with a second battery 24, the second battery 24 is electrically connected with a second circuit board 22, the wireless transmitter 23 and the microphone 16, the second circuit board 22 is electrically connected with the wireless transmitter 23 and the microphone 16, the bottom of the other side in the sound pick-up 5 is fixedly connected with a first battery 21, the first battery 21 is electrically connected with a first circuit board 19, the wireless receiver 20 and the loudspeaker 14, the first circuit board 19 is electrically connected with the wireless receiver 20 and the loudspeaker 14, the second battery 24 can supply power to the second circuit board 22, the wireless transmitter 23 and the microphone 16, the first circuit board 19, the wireless receiver 20 and the loudspeaker 14 can be supplied with power through the first battery 21, studs 18 corresponding to the screws 17 are fixedly connected with the two sides in the sound pick-up 8 and four corners in the sound pick-up 5, the screws 17 pass through the first cover plate 13 and the second cover plate 15 and then are mutually connected with the studs 18 in a threaded manner, the first cover plate 13 and the second cover plate 15 can be fixedly arranged on the loudspeaker 5 and the sound pick-up 8, and the first cover plate 13 and the second cover plate 15 can be easily opened by dismounting the screw 17, so that the loudspeaker 5 and the sound pick-up 8 can be maintained or replaced by the first battery 21 and the second battery 24, the breathing exhaust valve 4 is communicated with the mouth-nose mask 3, the first canister 6 and the second canister 7 are communicated with the inner side of the transparent window 2, the first canister 6 and the second canister 7 are both provided with the poison prevention carbon and the smoke filter layer, the poison prevention carbon has strong adsorption effect, harmful substances such as poison gas and poison steam in the air can be adsorbed and removed, the smoke filter layer has strong filtering effect, dust, heavy smoke and the like in the air can be filtered and removed, the edge 9 of the sealing rubber ring is arranged at the rear face position of the body 1, the sealing rubber ring 9 is used for enabling the body 1 to be better attached to a wearer, harmful substances such as poison gas, dust, bacteria and the like are prevented from entering the full-face respirator through the gaps to cause damage to a wearer, and the headband 11 is made of soft and elastic rubber materials.

The working principle is as follows: when the respirator is worn, firstly, the body 1 is covered on the face, the sealing rubber ring 9 is tightly attached to the face of a wearer, the oronasal mask 3 is covered on the oronasal part, then, the head band 11 is covered on the head, harmful substances such as poison gas, dust, bacteria and the like in the air are filtered by the first canister 6 and the second canister 7 during breathing, then, clean air enters the oronasal mask 3 through the inhalation valve 12 for the wearer to breathe, meanwhile, the air exhaled by the wearer is exhausted out of the body 1 through the breathing exhaust valve 4, when the wearer wants to transmit fire scene information or communicate and cooperate with other people, firstly, the sound information spoken by the wearer is collected through the microphone 16 and converted into an electric signal, then, the electric signal is transmitted to the second circuit board 22 after modulation processing and then is transmitted out through the wireless transmitter 23, then, the electric signal is received through the wireless receiver 20 and then is transmitted to the first circuit board 19 for demodulation processing, the electrical signal is then converted to sound information by the speaker 14 and amplified for transmission to the outside of the full facepiece respirator.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A full face mask respirator with public address set, includes body (1), its characterized in that: body (1) front end is provided with transparent window (2), inboard bottom intermediate position fixedly connected with oronasal mask (3) of transparent window (2), oronasal mask (3) both sides all are provided with inspiratory valve (12), inboard intermediate position fixedly connected with adapter (8) of oronasal mask (3), bottom fixedly connected with is used for second circuit board (22) of signal modulation and adapter (8) in top one side fixedly connected with wireless transmitter (23), adapter (8) rear end is connected with second apron (15) through two screws (17), second apron (15) central position fixedly connected with miaow head (16), transparent window (2) outside intermediate position fixedly connected with megaphone (5), one side fixedly connected with is used for demodulating first circuit board (19) of signal and megaphone (5) in megaphone (5) opposite side top fixedly connected with wireless reception Ware (20), megaphone (5) front end is connected with first apron (13) through four screws (17), first apron (13) central point puts fixedly connected with speaker (14), bottom intermediate position fixedly connected with breathing exhaust valve (4) in the transparent window (2) outside, bottom one side in the transparent window (2) outside is provided with first canister (6), the bottom opposite side in transparent window (2) outside is provided with second canister (7), body (1) top both sides are through the top of two connecting bands (10) fixed connection in bandeau (11), body (1) bottom both sides are through the bottom of two connecting bands (10) fixed connection in bandeau (11).

2. The full facepiece respirator of claim 1, wherein: the other side of the top in the sound pick-up (8) is fixedly connected with a second battery (24), the second battery (24) is electrically connected with a second circuit board (22), the wireless transmitter (23) and the microphone (16), and the second circuit board (22) is electrically connected with the wireless transmitter (23) and the microphone (16).

3. The full facepiece respirator of claim 1, wherein: the loudspeaker (5) is characterized in that a first battery (21) is fixedly connected to the bottom of the other side of the loudspeaker (5), the first battery (21) is electrically connected with the first circuit board (19), the wireless receiver (20) and the loudspeaker (14) respectively, and the first circuit board (19) is electrically connected with the wireless receiver (20) and the loudspeaker (14) respectively.

4. The full facepiece respirator of claim 1, wherein: two sides in the sound pick-up (8) and four corners in the loudspeaker (5) are fixedly connected with studs (18) corresponding to the screws (17).

5. The full facepiece respirator of claim 1, wherein: breathe discharge valve (4) and intercommunication each other between mouthful nose cup (3), first canister (6) and second canister (7) all communicate each other with the inboard of transparent window (2).

6. The full facepiece respirator of claim 1, wherein: and the first canister (6) and the second canister (7) are both internally provided with antitoxic charcoal and a smoke filter layer.

7. The full facepiece respirator of claim 1, wherein: the edge position of body (1) rear end is provided with sealing rubber circle (9), bandeau (11) are soft elastic rubber material.