CN211702105U

CN211702105U - MIC seal structure and mobile terminal equipment

Info

Publication number: CN211702105U
Application number: CN202020868845.3U
Authority: CN
Inventors: 黄玉光; 聂竹苗; 赵传保
Original assignee: Wuxi Ruiqin Technology Co Ltd
Current assignee: Wuxi Ruiqin Technology Co Ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-10-16
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses an MIC sealing structure and mobile terminal equipment, the MIC sealing structure comprises a battery cover, an antenna positioned inside the battery cover, a horn bracket positioned at one side of the first part of the antenna, which is far away from the battery cover, a main board positioned at one side of the horn bracket, which is far away from the first part of the antenna, a front shell positioned at one side of the main board, which is far away from the horn bracket, and an MIC device positioned at one side of the main board, which is far away from the first part; be formed with out the sound hole on the battery lid, be formed with first leading the sound passageway on the protecgulum, be formed with the second between horn bracket and the mainboard and lead the sound passageway, be formed with first leading the sound through-hole and second on the mainboard and lead the sound through-hole, the MIC device is formed with the working hole, wherein, goes out the sound hole and leads the sound passageway intercommunication with first, and first leading the sound passageway leads the sound passageway with the second and leads the sound passageway through first leading the sound through-hole intercommunication, and the second leads the sound passageway and leads the sound through-hole intercommunication with the working hole through the second. The MIC sealing structure can reduce TDD noise generated by an MIC device.

Description

MIC seal structure and mobile terminal equipment

Technical Field

The utility model relates to a mobile terminal equipment technical field, in particular to MIC seal structure and mobile terminal equipment.

Background

At present, in order to shorten the sound guiding channel of the mobile terminal device, an MIC device (microphone) is usually disposed on the bottom surface of the main board, but the bottom surface of the main board is located on the same side as an antenna of the mobile terminal device, and radiation of the antenna is an electromagnetic interference source, which may cause the MIC device to generate TDD noise.

SUMMERY OF THE UTILITY MODEL

The utility model provides a MIC seal structure, above-mentioned MIC seal structure can reduce the MIC device and produce TDD noise.

In order to achieve the above purpose, the utility model provides the following technical scheme:

an MIC sealing structure comprises a battery cover, an antenna, a horn bracket, a main board, a front shell and an MIC device, wherein the antenna is located on the inner side of the battery cover and provided with a first part and a second part, the horn bracket is located on one side, away from the battery cover, of the first part of the antenna, the main board is located on one side, away from the first part of the antenna, of the horn bracket, the front shell is located on one side, away from the horn bracket, of the main board, and the MIC device is located on one side;

the microphone comprises a battery cover, and is characterized in that a sound outlet hole is formed in the battery cover, a first sound guide channel is formed in the front shell, a second sound guide channel is formed between the horn bracket and the mainboard, a first sound guide through hole and a second sound guide through hole are formed in the mainboard, and a working hole is formed in the MIC device.

Among the above-mentioned MIC seal structure, including the battery cover, set up in the inboard antenna of battery cover, set up in the horn bracket that the first part of antenna deviates from battery cover one side, set up in the mainboard that the horn bracket deviates from the first part of antenna, set up in preceding shell and MIC device that the mainboard deviates from horn bracket one side, be formed with out the sound hole on the battery cover, be formed with first sound channel of leading on the preceding shell, be formed with the second between horn bracket and the mainboard and lead the sound passageway, be formed with first sound through-hole of leading and second sound through-hole on the mainboard, the MIC device is formed with the working hole, wherein, go out the sound hole and lead sound passageway intercommunication with first sound channel, first sound channel of leading is led the sound passageway with the second and is led the sound passageway intercommunication through first sound through-hole of leading, the second is led. In this MIC seal structure, go out the sound hole, first lead the sound passageway, first lead the sound through-hole, the second is led the sound passageway, second lead sound through-hole and working hole communicate in proper order and are formed and lead the sound route, the antenna has first portion and second portion, the first portion of antenna is relative with one side of mainboard, the MIC device sets up in the mainboard and keeps away from one side of antenna first portion, make the MIC device keep away from the antenna, it causes radiation interference to the MIC device to have reduced the antenna, and then the TDD noise that the MIC device produced has been reduced.

Optionally, the sound outlet hole is in sealed communication with the first sound guide channel through a sealing rubber sleeve.

Optionally, the second part of the antenna is located between the battery cover and the sealing rubber sleeve.

Optionally, a second sound guide channel formed between the horn support and the main plate is sealed by a first sealing foam.

Optionally, the first sound guide channel is in sealed communication with the first sound guide through hole through a second sealing foam.

Optionally, a dust screen for dust prevention is arranged between the first sound guiding channel and the first sound guiding through hole.

Optionally, the front shell is connected with the dust screen through a back adhesive, and the dust screen is connected with the second sealing foam through a back adhesive.

Optionally, the front shell is fixedly connected with the main board.

Optionally, the horn bracket is fixedly connected with the front shell.

The utility model also provides a mobile terminal equipment, an arbitrary MIC seal structure that provides in the above-mentioned technical scheme.

Drawings

Fig. 1 is a schematic structural diagram of an MIC sealing structure provided by an embodiment of the present invention.

Icon:

1-a battery cover; 11-sound outlet hole; 2-an antenna; 21-a first part; 22-a second part; 3-a horn bracket; 31-a second guide channel; 4, a main board; 41-a first sound guiding through hole; 42-a second sound guiding through hole; 5-an MIC device; 51-a working hole; 6-front shell; 61-a first guide channel; 7-sealing rubber sleeve; 8-first sealing foam; 9-second sealing foam; 10-dust screen.

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.

Referring to fig. 1, the present invention provides an MIC sealing structure, which includes a battery cover 1, an antenna 2 located inside the battery cover 1 and having a first portion 21 and a second portion 22, a horn bracket 3 located on a side of the first portion 21 of the antenna away from the battery cover 1, a main board 4 located on a side of the horn bracket 3 away from the first portion 21 of the antenna, a front case 6 located on a side of the main board 4 away from the horn bracket 3, and an MIC device 5 located on a side of the main board 4 away from the first portion 21 of the antenna;

a sound outlet hole 11 is formed on the battery cover 1, a first sound guide channel 61 is formed on the front shell 6, a second sound guide channel 32 is formed between the horn bracket 3 and the main board 4, a first sound guide through hole 41 and a second sound guide through hole 42 are formed on the main board 4, a working hole 51 is formed on the MIC device 5, wherein the sound outlet hole 51 is communicated with the first sound guide channel 61, the first sound guide channel 61 is communicated with the second sound guide channel 31 through the first sound guide through hole 41, the second sound guide channel 31 is communicated with the working hole 51 through the second sound guide through hole 42, so that the sound outlet hole 11, the first sound guide channel 61, the first sound guide through hole 41, the second sound guide channel 31, the second sound guide through hole 42 and the working hole 51 are sequentially communicated to form a sound guide path.

The MIC sealing structure provided by the embodiment of the present invention comprises a battery cover 1, an antenna 2 disposed inside the battery cover 1, a horn bracket 3 disposed on a side of a first portion 21 of the antenna 2 away from the battery cover 1, a main board 4 disposed on the horn bracket 3 away from the first portion 21 of the antenna, a front case 6 disposed on a side of the main board 4 away from the horn bracket 3, and an MIC device 5, wherein a sound outlet 11 is formed on the battery cover 1, a first sound guide channel 61 is formed on the front case 6, a second sound guide channel 31 is formed between the horn bracket 3 and the main board 4, a first sound guide through hole 41 and a second sound guide through hole 42 are formed on the main board 4, a working hole 51 is formed on the MIC device 5, the sound outlet 11 is communicated with the first sound guiding channel 61, the first sound guiding channel 61 is communicated with the second sound guiding channel 31 through the first sound guiding through hole 41, and the second sound guiding channel 31 is communicated with the working hole 51 through the second sound guiding through hole 42. In this MIC seal structure, go out sound hole 11, first lead sound passageway 61, first lead sound through-hole 42, second lead sound passageway 31, second lead sound through-hole 42 and working hole 51 communicate in proper order and form and lead the sound route, antenna 2 has first portion 21 and second portion 22, antenna 2's first portion 21 is relative with one side of mainboard 4, MIC device 5 sets up in the one side that antenna first portion 21 was kept away from to mainboard 1, make the MIC device keep away from the antenna, it causes radiation interference to the MIC device to have reduced the antenna, and then the TDD noise that the MIC device produced has been reduced.

In a specific embodiment, the sound outlet hole 11 and the first sound guide channel 61 can be in sealed communication through the sealing rubber sleeve 7, so as to avoid the problem of sound leakage in the sound guide path.

In particular embodiments, the second part 22 of the antenna may be located between the battery cover 1 and the sealing gum 7, the second part 22 of the antenna being further from the MIC device 5, the radiation of the second part 22 of the antenna interfering less with the MIC device 5.

In a specific embodiment, the second sound guide channel 31 formed between the horn holder 3 and the main plate 4 may be sealed by the first sealing foam 8 to avoid the sound leakage problem of the sound guide path.

In a specific embodiment, the first sound guide channel 61 and the first sound guide through hole 41 can be in sealed communication through the second sealing foam 9, so that the problem of sound leakage of the sound guide path is avoided.

In a specific embodiment, a dust-proof net 10 for dust prevention may be disposed between the first sound guiding passage 61 and the first sound guiding through hole 41, for preventing the sound guiding path from being blocked by dust.

In a specific embodiment, the dust screen 10 is located between the front shell 6 and the second sealing foam 9, the front shell 6 is connected with the dust screen 10 through a back adhesive, and the dust screen 10 is connected with the second sealing foam 9 through the back adhesive.

In a specific embodiment, the front shell 6 may be fixedly connected with the main board 4, and the front shell may be pre-fixed by a buckle and then fixed by a lock screw.

In a specific embodiment, the horn bracket 3 is fixedly connected with the front housing 6, and in particular, the horn bracket and the front housing may be fixed by a lock screw.

It will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments of the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An MIC sealing structure is characterized by comprising a battery cover, an antenna, a horn bracket, a main board, a front shell and an MIC device, wherein the antenna is positioned on the inner side of the battery cover and provided with a first part and a second part, the horn bracket is positioned on one side, away from the battery cover, of the first part of the antenna, the main board is positioned on one side, away from the first part of the antenna, of the horn bracket, the front shell is positioned on one side, away from the horn bracket, of the main board, and the MIC device is positioned on one side;

2. The MIC sealing structure of claim 1, wherein the sound outlet hole is in sealed communication with the first sound guide channel through a sealing rubber sleeve.

3. The MIC sealing structure of claim 2, wherein the second portion of the antenna is located between the battery cover and the sealing gum.

4. The MIC sealing arrangement of claim 1, wherein a second sound conduction channel formed between the horn carrier and the main plate is sealed by a first sealing foam.

5. The MIC sealing arrangement of claim 1, wherein the first sound conduction channel is in sealed communication with the first sound conduction through hole via a second sealing foam.

6. The MIC seal structure of claim 5, wherein a dust screen for dust prevention is provided between the first sound guide channel and the first sound guide through hole.

7. The MIC seal structure of claim 6, wherein the front housing is attached to the dust screen by a backing adhesive, and the dust screen is attached to the second sealing foam by a backing adhesive.

8. The MIC sealing arrangement of claim 1, wherein the front enclosure is fixedly connected to the main plate.

9. A MIC sealing arrangement according to claim 1, wherein the horn mount is fixedly connected to the front housing.

10. A mobile terminal device, comprising a MIC sealing arrangement according to any of claims 1-9.