CN215531841U

CN215531841U - Noise-reducing mask

Info

Publication number: CN215531841U
Application number: CN202121995092.3U
Authority: CN
Inventors: 张红艳; 胡靓; 周瑞飘; 任琴琴; 于知航
Original assignee: Shenyang Pharmaceutical University
Current assignee: Shenyang Pharmaceutical University
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-01-18
Anticipated expiration: 2031-08-24

Abstract

The utility model relates to the field of noise reduction wearing devices, in particular to a noise reduction mask. The method comprises the following steps: the mask comprises a mask inner layer, a mask middle layer, a mask outer layer, a suspension loop rope, a noise reduction device and a loudspeaker; a noise reduction device and a loudspeaker are arranged between the mask inner layer and the mask middle layer, the noise reduction device and the loudspeaker are fixedly arranged on the mask middle layer, and the mask inner layer and the mask middle layer are mutually bonded and connected; the two ends of the ear hanging rope are respectively hot-pressed on the two sides of the long shaft of the outer layer of the mask, and the two ends of the ear hanging rope are clamped between the middle layer of the mask and the outer layer of the mask; the middle layer of the mask is bonded with the outer layer of the mask. The core of the utility model is sound attenuation. In passive sound attenuation, the polyurethane foam sound attenuation plate is a high-efficiency sound absorption material, and has the characteristics of small density, light material, moisture resistance, water resistance and the like.

Description

Noise-reducing mask

Technical Field

The utility model relates to the field of noise reduction wearing devices, in particular to a noise reduction mask.

Background

Similar products are available in the market at present, and the Hushme noise reduction mask and the beltbox noise reduction mask are mainly used, but the two masks have corresponding defects, the Hushme noise reduction mask device is thick and heavy, the neck of a user can feel sour and painful after wearing the Hushme noise reduction mask device for a long time, and the face of the user can feel stuffy and moist after using the beltbox noise reduction mask device for a long time. The existing silencing mask is an integrated structure with a complex structure, so that the mask is inconvenient to disassemble and parts cannot be replaced; meanwhile, the currently sold silencing mask is expensive, so that a common user cannot bear the mask, and the technical problem to be solved urgently by technical personnel in the field is achieved by trying to achieve the compression of the production cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a mask which can reduce noise and is comfortable to wear so as to meet the requirement that a user can read and recite by playing sound anywhere and anytime. The defects that the user feels stuffy and moist discomfort after using the mask for a long time, the noise reduction mask is expensive, and the general user cannot bear the load are overcome.

The technical scheme adopted by the utility model for realizing the purpose is as follows: a noise-reducing and noise-reducing mask comprising: the mask comprises a mask inner layer, a mask middle layer, a mask outer layer, a suspension loop rope, a noise reduction device and a loudspeaker;

the noise reduction device and the loudspeaker are fixedly arranged on the mask middle layer, plastic cloth is wrapped on the outer layer to be used as protection, and the mask inner layer and the mask middle layer (4) are mutually bonded and connected;

the two ends of the ear hanging rope are respectively hot-pressed on the edge of the outer layer of the mask, and the two ends of the ear hanging rope are clamped between the middle layer of the mask and the outer layer of the mask; the mask middle layer is bonded with the mask outer layer.

The inner layer, the middle layer and the outer layer are respectively in an arch shape with a flat center and two bent sides; the shapes of the mask inner layer and the mask middle layer are matched with the shape of the mask outer layer.

The edge of the outer layer of the mask is provided with a suction plastic, and the outer surface of the outer layer of the mask is bonded with a porous plastic framework for fixing the shape of the outer layer of the mask.

The outer layer of the mask is made of filter paper.

The middle layer of the mask is a sound absorption plate made of polyurethane foam plastics, and the sound absorption plate is of a one-layer structure or is folded into a multi-layer structure.

The gauze mask inlayer includes: the cellulose layer and the inner layer connected with the high-molecular water-absorbing material layer are sequentially arranged from inside to outside.

The noise reduction device is arranged at the center of the middle layer of the mask;

the two loudspeakers are symmetrically arranged at two sides of the noise reduction device;

the distance between the loudspeaker and the edge of the noise reduction device is 2-2.5 cm.

The mask middle layer is also provided with a wireless module, and the wireless module is arranged between the mask inner layer and the mask middle layer; the wireless module is connected with the loudspeaker.

The noise reduction apparatus includes: the system comprises a singlechip, a storage battery, a microphone and a charging coil;

the single chip microcomputer is connected with the loudspeaker, the microphone and the storage battery;

the storage battery is connected with the charging coil.

The mask inner layer and the mask middle layer are connected with each other through a nano adhesive tape.

The utility model has the following beneficial effects and advantages:

1. the utility model has the advantages of both the silencing function and the electronic transmission function, light weight, convenience, and capability of being folded.

2. The utility model realizes the wearing function by adopting the skin-feel plastic uptake adhesive and the sleeve rope, and simultaneously reduces the pain feeling of long-term wearing.

3. The utility model adopts the detachable macromolecule water absorption material to realize the function of cleaning the interior of the mask regularly, and maintain the clean speaking environment of the user.

4. The utility model adopts the nanometer double faced adhesive tape to connect the macromolecule water absorption material with the middle layer, and is easy to disassemble.

5. The novel hydroxyapatite ultra-long nanowire-based filter paper and the porous plastic adhered to the outer layer of the mask are adopted to maintain the ventilation quantity.

6. The core of the utility model is sound attenuation. In passive sound attenuation, the polyurethane foam sound-absorbing plate is a high-efficiency sound-absorbing material, has the characteristics of low density, light weight, moisture resistance, water resistance and the like, and can be assembled in a multilayer folding mode for improving the sound-insulating effect; in the active silencing, due to the special center flat and two side curved characteristics of the mask, a microphone located in the center of the mask firstly receives sound waves, and the microphone rapidly calculates reverse sound waves through a single chip microcomputer and sends the reverse sound waves out through loudspeakers on two sides of the single chip microcomputer.

7. The sound wave propagated by the utility model is received by the microphone and propagated to the intelligent device by the Bluetooth, so that the content can be checked when the user carries out a book.

Drawings

FIG. 1a is an assembled schematic front view of the present invention;

FIG. 1b is an assembled schematic view of the present invention;

FIG. 1c is an assembled schematic side view of the present invention;

FIG. 2a is a schematic structural diagram of a noise reduction device according to the present invention;

FIG. 2b is a schematic view of the back of the noise reducer of the present invention;

wherein, 1 is the device of making an uproar that falls, 2 is the speaker, 3 is the gauze mask inlayer, 4 is the gauze mask intermediate level, 5 is the gauze mask skin, 6 is the hangers rope, 101 is the singlechip, 102 is the battery, 103 is control chip, 104 is the microphone, 105 is the charging coil.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

As shown in fig. 1a to 1c, which are assembly diagrams of the present invention, the present invention includes a mask base structure and its functions, and is characterized in that the active noise reduction device and the created clean and comfortable conditions are integrated into the mask to achieve the function of free and comfortable speaking of the user.

The utility model is provided with the following components in sequence from the wearing position to the outside: a mask inner layer 3, a mask middle layer 4 and a mask outer layer 5;

the mask inner layer 3 is a wearing part layer which is in contact with the face, and the mask inner layer 3 comprises a cellulose layer and a high polymer water absorption material which are sewn mutually from inside to outside. The adopted high-molecular water-absorbing material is polyvinyl alcohol medical-grade microporous sponge, is non-toxic and harmless, is light and thin in texture, has ultra-fast liquid-absorbing rate and ultra-strong liquid-absorbing rate, can be repeatedly utilized, and also has a certain noise reduction function due to the porous structure.

The cellulosic layer may be cellulose acetate, which is soft, comfortable, resilient, non-allergenic to prolonged contact with skin, dry-cleanable or washable, and generally non-shrinkable.

The middle layer 4 of the mask is a polyurethane foam sound absorption plate, the outer layer 5 of the mask is filter paper, and porous plastic is adhered to the outer surface of the filter paper; the filter paper is developed by Shanghai silicate research institute of Chinese academy of sciences, and is disclosed in a paper in European Chemistry (Fei-Fei Chen, Ying-Jie Zhu, Zhi-Chong Xiong, Tuan-Wei Sun, Chemistry-A European Journal,23,3328 and 3337(2017)) published in 2017, 12, 6.7.3.3.A filter paper has good biocompatibility, no toxicity and harm, high flexibility, strong surface adsorption capacity, high filtration efficiency and good air permeability, ensures that a user is in a normal air flow environment, is provided with a plastic absorbing material at the edge of the mask outer layer 5, and is adhered with a porous plastic framework for fixing the shape of the mask outer layer 5 on the outer surface of the mask outer layer 5.

A noise reduction device 1 and a loudspeaker 2 are arranged between the mask inner layer 3 and the mask middle layer 4, the noise reduction device 1 and the loudspeaker 2 are fixedly arranged on the mask middle layer 4, and the mask inner layer 3 and the mask middle layer 4 are mutually bonded and connected;

two ends of the ear hanging rope 6 are respectively hot-pressed on the edge of the mask outer layer 5, and two ends of the ear hanging rope 6 are clamped between the mask middle layer 4 and the mask outer layer 5; the mask middle layer 4 and the mask outer layer 5 are bonded and connected with each other. The nanometer double faced adhesive tape is used for tightly attaching the high polymer water absorption material to the mask middle layer 4, the other surface of the high polymer water absorption material is bonded with the cellulose layer, the cellulose layer is in direct contact with the mouth and the nose of a reader, and the mask inner layer 3 and the nanometer adhesive tape are detached together during detachment.

The noise reduction device 1 is arranged at the center of the mask middle layer 4;

the two loudspeakers 2 are symmetrically arranged at two sides of the noise reduction device 1; the distance between the loudspeaker 2 and the edge of the noise reduction device 1 is 2-2.5 cm, the reverse signal with the phase difference of 180 degrees based on the noise signal according to the algorithm is superposed and offset with the original signal, the noise reduction effect of the microphone position in the range is obtained to be optimal, and the distance between the loudspeaker 2 and the edge of the noise reduction device 1 is 2.5 cm.

As shown in fig. 2 a-2 b, which are schematic structural diagrams of the noise reduction device of the present invention; the noise reduction device 1 is composed of a single chip microcomputer 101, a storage battery 102, a control chip 103 (other chips such as a crystal oscillator/booster chip), a microphone 104 and a charging coil 105.

The mask middle layer 4 is also provided with a wireless module which is arranged between the mask inner layer 3 and the mask middle layer 4; the wireless module is connected with the loudspeaker.

The single chip microcomputer 101 is connected with the loudspeaker 2, the microphone 104 and the storage battery 102;

the battery 102 is connected to a charging coil 105.

In the utility model, the noise reduction device is arranged at the center of the concave surface of the mask intermediate layer 4, the loudspeakers are symmetrically arranged at two sides of the noise reduction device, and the mask inner layer 3, the mask intermediate layer 4 and the mask outer layer 5 are all arc-shaped; the shapes of the mask inner layer 3 and the mask middle layer 4 are matched with the shape of the mask outer layer 5, and due to the special structure, the integrated circuit can be safely placed, and meanwhile, the audio is received earlier in the middle than on two sides.

The high molecular water absorption material in the mask inner layer 3 can effectively absorb water in the nose, so that the dryness of the environment in the mask is ensured, the bacterial breeding is avoided, and the water can be prevented from contacting other electronic devices to avoid the service life of the electronic devices from being greatly reduced.

The material of the utility model is mostly soft, in order to ensure the normal use of the function, the outer layer is bonded with porous plastic to fix the shape, and simultaneously has certain ductility and air permeability.

The ear hanging rope comprises two wearing modes, namely an ear hanging mode and a strap type, and can be selected by a consumer.

The mask is designed to have exquisite lines, and is convenient to fold and carry.

The working principle of the utility model is as follows:

according to the utility model, the microphone 104 receives sound waves and sends the sound waves to the control chip 103 for processing and calculating reverse sound waves, and then the sound waves are sent out by the loudspeaker 2, so that the effect that other people cannot hear the speaking of a reader is realized. The utility model also comprises a Bluetooth acquisition device for processing the sound, and transmitting the information into the mobile phone end through Bluetooth, thereby carrying out secondary verification on the speaking content of the reader.

Gauze mask intermediate level 4 and gauze mask outer 5 are in the same place through the hot-pressing gluing, and gauze mask inlayer 3 and gauze mask intermediate level 4 pass through the nanometer sticky tape bonding and are in the same place, and 6 hot pressing of hangers rope are fixed between gauze mask skin and gauze mask intermediate level, and the device of making an uproar 1 and loudspeaker 2 of falling are fixed on gauze mask intermediate level 4 through the plastic sheeting hot pressing, realize the equipment between every layer of student's amortization gauze mask.

In order to prolong the service life of the silencing mask and ensure the use health of readers, the high molecular water absorption material is designed to be detachable and washable.

Claims

1. A noise-reducing mask, comprising: the mask comprises a mask inner layer (3), a mask middle layer (4), a mask outer layer (5), a suspension loop rope (6), a noise reduction device (1) and a loudspeaker (2);

the noise reduction device (1) and the loudspeaker (2) are arranged between the mask inner layer (3) and the mask middle layer (4), the noise reduction device (1) and the loudspeaker (2) are fixedly arranged on the mask middle layer (4), and the mask inner layer (3) and the mask middle layer (4) are mutually bonded and connected;

two ends of the ear hanging rope (6) are respectively hot-pressed on the edge of the mask outer layer (5), and two ends of the ear hanging rope (6) are clamped between the mask middle layer (4) and the mask outer layer (5); the mask middle layer (4) is bonded with the mask outer layer (5).

2. The mask with the functions of noise reduction and noise reduction according to claim 1, wherein the mask inner layer (3), the mask middle layer (4) and the mask outer layer (5) are all arch-shaped with flat center and two bent sides; the shapes of the mask inner layer (3) and the mask middle layer (4) are matched with the shape of the mask outer layer (5).

3. The mask with noise reduction and noise reduction functions as claimed in claim 2, wherein the mask outer layer (5) is provided at its edge with a plastic absorbent material, and the mask outer layer (5) is bonded on its outer surface with a porous plastic skeleton for fixing the shape of the mask outer layer.

4. The mask of claim 1 or 2, wherein the mask outer layer (5) is a filter paper.

5. The mask of claim 1, wherein the mask intermediate layer (4) is a sound absorbing panel made of polyurethane foam, and the sound absorbing panel is a one-layer structure or a multi-layer structure by folding.

6. An acoustic attenuation and noise reduction mask according to claim 1 wherein said mask inner layer (3) comprises: the cellulose layer and the inner layer connected with the high-molecular water-absorbing material layer are sequentially arranged from inside to outside.

7. A sound-attenuating and noise-reducing mask as claimed in claim 1, wherein the noise-attenuating device (1) is located at the central flat of the mask intermediate layer (4);

the two loudspeakers (2) are symmetrically arranged at two sides of the noise reduction device (1);

the distance between the loudspeaker (2) and the edge of the noise reduction device (1) is 2-2.5 cm.

8. The mask with the functions of noise reduction and noise reduction according to claim 1, wherein the mask middle layer (4) is further provided with a wireless module, and the wireless module is arranged between the mask inner layer (3) and the mask middle layer (4); the wireless module is connected with the loudspeaker.

9. An acoustic noise reduction mask according to claim 1 wherein the noise reduction means (1) comprises: the device comprises a singlechip (101), a storage battery (102), a microphone (104) and a charging coil (105); the single chip microcomputer (101) is connected with the loudspeaker (2), the microphone (104) and the storage battery (102); the storage battery (102) is connected with a charging coil (105).

10. The mask with the noise reduction and the noise reduction functions as claimed in claim 1, wherein the mask inner layer (3) and the mask middle layer (4) are connected with each other through a nano adhesive tape.