CN112385918A

CN112385918A - Sound amplifying device for mask

Info

Publication number: CN112385918A
Application number: CN202011331306.7A
Authority: CN
Inventors: 黄德红
Original assignee: Dongguan Yishun Sound Technology Co ltd
Current assignee: Dongguan Yishun Sound Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-02-23

Abstract

The invention discloses a sound amplification device for a mask, which comprises the mask and a sound amplification device, wherein the mask is attached to a face, the sound amplification device is detachably arranged on the mask, the sound amplification device comprises a main body arranged on one side, far away from the face, of the mask and a connecting plate arranged on one side, close to the face, of the mask, and the connecting plate can be switched between a position attached to the main body and a position detached from the main body. The mask is a disposable mask (preferably KN95 mask and N95 mask), the mask has a certain supporting degree, the loudspeaker is installed through the matching of the main body and the connecting plate, and the mask is suitable for various masks; meanwhile, the sound amplifying device is small and exquisite in shape and convenient to carry; meanwhile, the connecting plate is internally provided, so that the connecting plate can be conveniently cleaned and sterilized.

Description

Sound amplifying device for mask

Technical Field

The invention relates to the technical field of mask accessories, in particular to a sound amplifying device for a mask.

Background

The mask is a sanitary article, is generally worn on the mouth and nose for filtering air entering the mouth and nose so as to achieve the effect of blocking harmful gas, smell, spray, virus and other substances, and is made of gauze, paper and other materials. However, in the industries such as teachers, traffic police and crew members, the industries need to work by speaking (lectures, commands and the like), and the industries need to influence the clarity of speaking and the transmission of sound by wearing a mask. Of course, there are also known a mask having a sound amplifying device, for example, chinese patent CN111543694A, which can be detachably mounted on a mask frame to achieve protection, breathing and easy conversation; but its structure is complicated, only is applicable to specific gauze mask skeleton, and need wash whole gauze mask skeleton after changing, and inconvenient, and the volume of gauze mask skeleton is great, and be not portable, only can be applied to specific occasion.

Disclosure of Invention

The invention mainly aims to provide a sound amplifying device for a mask, aiming at enabling the sound amplifying device to be applicable to the existing mask, and being small in size, convenient to carry and wide in application range.

In order to achieve the above object, the present invention provides a sound amplifying device for a mask, comprising:

the mask is provided with a breather valve at least one side, and the breather valve is positioned between the nose and the mouth;

public address set, public address set demountable installation is in the gauze mask, public address set is including locating the gauze mask and keeping away from the main part of face one side and locating the connecting plate that the gauze mask is close to face one side, the connecting plate can be with the position of laminating mutually of main part with dismantle and switch between the position of main part.

Preferably, the main body comprises a housing with an accommodating chamber therein and an electronic component arranged inside the housing, the rear end of the housing is a rear cover, and the rear cover and the connecting plate can be attached to each other.

Preferably, electronic component includes loudspeaker, microphone, battery and PCBA board, the PCBA board is connected with loudspeaker, microphone, battery respectively, the front end of casing is equipped with the sound hole, the position of sound hole is located to loudspeaker, the PCBA board is equipped with prevents chip, audio power amplifier chip, battery management protection chip, the charge-discharge chip of howling.

Preferably, the microphone is arranged on the rear cover, the connecting plate is provided with a groove, and the microphone is located in the groove.

Preferably, the connecting plate and the rear cover are in magnetic connection, and the connecting plate and the rear cover are respectively provided with a magnet.

Preferably, the side of the connecting plate facing the face is provided with a smooth layer.

Preferably, the one side that the connecting plate was laminated mutually with the face is equipped with the supporting part, the supporting part suits or locates the periphery of connecting plate with face's profile, connecting plate and limiting plate are made by the silica gel material.

Preferably, a plurality of mutually matched clamping parts and/or clamping grooves are arranged between the connecting plate and the rear cover.

Preferably, a sound insulation layer is arranged between the rear cover and the microphone.

Preferably, the connecting plate and the rear cover are made of hard materials, and the volume of the public address set is equal to or slightly larger than that of the breather valve.

According to the technical scheme, the mask is a disposable mask (preferably a KN95 mask and an N95 mask), the mask has a certain supporting degree, so that the loudspeaker is convenient to fix, the loudspeaker is installed through the matching of the main body and the connecting plate, and the mask is suitable for various masks; meanwhile, the sound amplifying device is small and exquisite in shape and convenient to carry; meanwhile, the connecting plate is internally provided, so that the connecting plate can be conveniently cleaned and sterilized.

Drawings

FIG. 1 is a schematic view of the mask body and the sound amplifying device;

FIG. 2 is an exploded view of a loudspeaker device;

fig. 3 is a schematic view of a connection plate.

In the figure, 1 is a mask, 11 is a breather valve, 2 is a main body, 21 is a casing, 211 is a sound emitting hole, 212 is a rear cover, 22 is a microphone, 23 is a battery, 24 is a speaker, 25 is a PCBA board, 3 is a connecting plate, 31 is a groove, 32 is a support portion, 4 is a clamping portion, and 5 is a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that if directional indications (such as … …, which is up, down, left, right, front, back, top, bottom, inner, outer, vertical, transverse, longitudinal, counterclockwise, clockwise, circumferential, radial, axial) are provided in the embodiments of the present invention, the directional indications are only used for explaining the relative position relationship, motion condition, etc. of the components at a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 3, a sound amplifying device for a mask, comprising:

the mask comprises a mask 1, wherein the mask is attached to the face, when N95 and other types of masks are adopted, at least one side of the mask 1 is provided with a breather valve 11, the breather valve 11 is positioned between the nose and the mouth, and the installation of a sound amplifying device can be realized by adopting a common disposable mask;

public address set, public address set demountable installation is in gauze mask 1, public address set is including locating main part 2 that the gauze mask kept away from one side of the face and locating connecting plate 3 that gauze mask 1 is close to one side of the face, connecting plate 3 can be with the position of 2 looks laminatings of main part with dismantle and switch between the position of main part 2.

The mask 1 is a disposable mask (preferably KN95 mask and N95 mask), the mask 1 should have a certain supporting degree to facilitate the fixation of the public address set, the installation of the public address set is realized through the matching of the main body 2 and the connecting plate 3, and the mask is suitable for various masks; meanwhile, the sound amplifying device is small and exquisite in shape and convenient to carry; meanwhile, the connection plate 3 is internally provided, so that the connection plate can be cleaned and sterilized conveniently.

In an embodiment, the sound amplifying device may be disposed at the side of the mask 1 or at the middle of the mask.

In the embodiment of the present invention, the main body 2 includes a housing 21 having an accommodating chamber therein and an electronic component disposed inside the housing 21, a rear end of the housing 21 is a rear cover 212, and the rear cover 212 and the connecting plate 3 can be attached to each other. In the arrangement of the sound amplifying device, the microphone 22 and the sound amplifying device are arranged in a small cavity, and abnormal sound generated by resonance caused by short distance of sound receiving and playing is avoided.

In the embodiment of the present invention, the electronic component includes a speaker 24, a microphone 22, a battery 23, and a PCBA board 25, the PCBA board 25 is respectively connected to the speaker 24, the microphone 22, and the battery 23, a sound emission hole 211 is formed at the front end of the housing 21, the speaker 24 is disposed at the position of the sound emission hole 211, and the PCBA board 25 is provided with a howling prevention chip, an audio power amplification chip, a battery 23 management protection chip, and a charge/discharge chip. Under the condition that the structure of the mask is not damaged, the normal use of the mask is not influenced, the communication is convenient, the mask also has better protection, and the chip decoding and cavity design are utilized to control the small structure in the industry to avoid howling (the howling is caused by the fact that the microphone 22 repeatedly absorbs the sound emitted by the loudspeaker 24 due to the fact that the distance between the loudspeaker 24 and the microphone 22 is too close to 30 MM).

In the embodiment of the present invention, the microphone 22 is disposed on the back cover 212, the connecting plate 3 is provided with the groove 31, the microphone 22 is located at the position of the groove 31, and the microphone 22 is disposed on the back cover 212, and the microphone 22 may partially protrude from the groove 31, so that the microphone 22 is more attached to the mask, thereby realizing sound reception of the microphone 22 and reducing attenuation of sound waves. Of course, in the embodiment, the microphone 22 may be disposed on the connection board 3, and the audio transmission is realized by a wireless connection device or a plug-in fitting. The insertion may be performed by providing an electronic pin on the connection board 3 and an electronic slot on the back cover 212, and the electronic pin may pass through the mask to connect, but it still causes audio loss.

In the embodiment of the invention, the connecting plate 3 and the rear cover 212 are magnetically connected, and the connecting plate 3 and the rear cover 212 are respectively provided with the magnet, so that the structure of the mask body is not damaged in a magnetic attraction manner, thereby improving the application range of the loudspeaker.

In the embodiment of the invention, the side of the connecting plate facing the face is provided with the smooth layer, and the connecting plate is made of smooth environment-friendly materials, so that the connecting plate can not generate any discomfort when contacting with the face.

Of course, connecting plate 3 can be elastic material, back lid 212 is equipped with connecting plate 3 matched with deformation layer, magnet and elastic material integrated into one piece can make more laminating between public address set and the gauze mask through the deformation layer of connecting plate 3 and back lid 212, and connecting plate 3 can more laminate with the face when placing in the gauze mask is inboard, and can produce deformation according to the profile of face, makes more comfortable face.

In the embodiment of the present invention, a supporting portion 32 is disposed on one surface of the connecting plate 3, which is in contact with the face, the supporting portion 32 is adapted to the contour of the face or disposed on the periphery of the connecting plate 3, the connecting plate 3 and the limiting plate are made of a silica gel material, and the supporting portion 32 can be matched with the corresponding contour of the face (such as the nose and the cheek) to form a certain support, so that the microphone 22 is disposed at a corresponding position, which is convenient for receiving sound.

In the embodiment of the present invention, a plurality of mutually matched clamping portions 4 and/or clamping grooves 5 are arranged between the connecting plate 3 and the rear cover 212, and the connecting plate 3 and the rear cover 212 can be mutually clamped by the matching of the clamping portions 4 and the clamping grooves 5, so as to avoid the displacement of the sound amplifying device.

In the embodiment of the present invention, a sound insulation layer is disposed between the rear cover 212 and the microphone 22, the sound insulation layer is an insulation layer disposed on the rear cover 212, and the sound wave diffusion at the end of the microphone 22 can be reduced by disposing the insulation layer, i.e., the sound waves are bundled in a certain range, so that the connection plate 3 is made of an elastic material, and the sound can be prevented from being scattered.

In another embodiment of the present invention, the connecting plate 3 and the rear cover 212 are made of hard materials, and the volume of the sound amplifying device is equal to or slightly larger than the volume of the breather valve 11.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a public address set for gauze mask, its characterized in that, public address set demountable installation is in the gauze mask, public address set is including locating the main part that the gauze mask kept away from face one side and locating the connecting plate that the gauze mask is close to face one side, the connecting plate can be with the position of laminating mutually of main part with dismantle and switch between the position of main part.

2. The speaker device for a mask according to claim 1, wherein: the main part has the casing that holds the cavity and locates the inside electronic component of casing including inside, the rear end of casing is the back lid, back lid and connecting plate can laminate each other.

3. The speaker device for a mask according to claim 2, wherein: the electronic component comprises a loudspeaker, a microphone, a battery and a PCBA board, wherein the PCBA board is respectively connected with the loudspeaker, the microphone and the battery, the front end of the shell is provided with a sound emission hole, the loudspeaker is arranged at the position of the sound emission hole, and the PCBA board is provided with a howling prevention chip, an audio power amplification chip, a battery management protection chip and a charging and discharging chip.

4. The speaker device for a mask according to claim 3, wherein: the microphone is arranged on the rear cover, the connecting plate is provided with a groove, and the microphone is located in the groove.

5. The speaker device for a mask according to claim 1, wherein: the connecting plate is magnetically connected with the rear cover, and the connecting plate and the rear cover are respectively provided with a magnet.

6. The speaker device for a mask according to claim 5, wherein: and a smooth layer is arranged on one side of the connecting plate facing the face.

7. The speaker device for a mask according to claim 6, wherein: the one side of connecting plate and face laminating mutually is equipped with the supporting part, the supporting part suits or locates the periphery of connecting plate with face's profile, connecting plate and limiting plate are made by silica gel material.

8. The speaker device for a mask according to claim 5, wherein: a plurality of mutually matched clamping parts and/or clamping grooves are arranged between the connecting plate and the rear cover.

9. The speaker device for a mask according to claim 5, wherein: and a sound insulation layer is arranged between the rear cover and the microphone.

10. The speaker device for a mask according to claim 1, wherein: the connecting plate and the rear cover are made of hard materials, and the volume of the public address set is equal to or slightly larger than that of the breather valve.