CN209805886U - Side-sounding silicon microphone patch and applicable terminal thereof - Google Patents
Side-sounding silicon microphone patch and applicable terminal thereof Download PDFInfo
- Publication number
- CN209805886U CN209805886U CN201920574061.7U CN201920574061U CN209805886U CN 209805886 U CN209805886 U CN 209805886U CN 201920574061 U CN201920574061 U CN 201920574061U CN 209805886 U CN209805886 U CN 209805886U
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- Prior art keywords
- shell
- circuit board
- sound
- microphone
- patch
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- Expired - Fee Related
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Abstract
the utility model discloses a silicon microphone patch with side sound output and a suitable terminal thereof, which comprises an RF circuit board, wherein the circuit board is a rectangular circuit board, and four corners of the lower surface of the circuit board are all attached with PCB patches; the middle part of the blanking shell is provided with a cavity for accommodating internal components, the surface of one side of the blanking shell is provided with a sound inlet hole, and the blanking shell is assembled above the RF circuit board; the feeding shell is coated on the upper surface of the discharging shell, four fixed angles are arranged on the lower surface of the feeding shell, and the lower surfaces of the fixed angles are parallel to the lower surface of the RF circuit board. The utility model provides a little microphone paster of silicon of sound of inclining, based on the technical feature that pastes the shell fragment to RF circuit board through SMT, conveniently install in ultra-thin metal casing, realize the microphone sound of inclining through little microphone paster of sound of inclining, shorten the sound transmission channel, make the transmission pronunciation naturally smooth, the fidelity is good the degree of reduction height; a sound transmission channel is formed between the microphone patch and the sound outlet hole through the sealing silica gel sleeve, and noise interference is filtered.
Description
Technical Field
The utility model relates to a remove digital product, specifically, relate to a little microphone paster of silicon of sound of inclining and suitable terminal thereof.
Background
with the development of science and technology, digital products such as mobile phones have increasingly lighter and lighter appearance designs on the premise of satisfying powerful use functions. The digital products of mobile terminals such as mobile phones and the like adopt an ultrathin metal body, the connection mode with a control main board mainly comprises wire bonding connection or positive sound output by a patch, and the adverse effect caused by the connection mode is that the voice is not clear, unnatural, difficult to identify and poor in RF interference resistance due to a long channel. However, due to the ultra-thin design of the whole microphone, the radian of the whole microphone and the structural space of the side wall are not enough, so that a microphone transmission channel is too long, transmitted sound has noise, and the sound stability is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's defect, provide a little microphone paster of silicon of sound and suitable terminal thereof inclines out.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A side-tone silicon microphone patch, comprising:
the RF circuit board is a rectangular circuit board, and PCB patches are attached to four corners of the lower surface of the circuit board;
The middle part of the blanking shell is provided with a cavity for accommodating internal components, the surface of one side of the blanking shell is provided with a sound inlet hole, and the blanking shell is assembled above the RF circuit board;
the feeding shell is coated on the upper surface of the discharging shell, four fixed angles are arranged on the lower surface of the feeding shell, and the lower surfaces of the fixed angles are parallel to the lower surface of the RF circuit board.
The further technical scheme is as follows: the internal components comprise an MEMS microphone and an ASIC chip; the internal components are arranged on the upper surface of the RF suppression circuit board and are contained in the cavity of the blanking shell.
The further technical scheme is as follows: the blanking shell is a 301 metal shell, and the loading shell is a 301 metal shell.
The further technical scheme is as follows: the surface of the ASIC chip is coated with black glue.
a side-tone terminal, comprising:
A metal shell; the cover plate is coated on the lower surface of the metal shell; the PCB mainboard is arranged in the middle of the metal shell; the built-in loudspeaker is arranged on the upper surface of the cover plate; the LED display screen is arranged on the upper surface of the metal shell; a sound outlet hole is formed in the end face of one side of the metal shell;
A microphone patch is attached to the position, close to the sound outlet hole, inside the metal shell, and the microphone patch is the silicon microphone patch.
the further technical scheme is as follows: the LED display screen is an OM-LED screen.
the further technical scheme is as follows: the cover plate is a 5D glass cover plate.
The further technical scheme is as follows: the built-in horn is a BOX horn.
The further technical scheme is as follows: the terminal of the side sound output also comprises a sealing silica gel sleeve connected between the silicon microphone patch and the sound output hole.
Compared with the prior art beneficial effect:
the utility model provides a little microphone paster of silicon of sound of inclining, based on the technical feature that pastes the shell fragment to RF circuit board through SMT, conveniently install in ultra-thin metal casing, realize the microphone sound of inclining through little microphone paster of sound of inclining, shorten the sound transmission channel, make the transmission pronunciation naturally smooth, the fidelity is good the degree of reduction height; based on the technical characteristics that the silicon microphone patch is attached to the inside of the terminal close to the sound outlet hole, a sound transmission channel is formed between the microphone patch and the sound outlet hole through a sealing silica gel sleeve, and noise interference is filtered; the utility model provides a little microphone paster of silicon of sound of inclining, whole volume is small, is convenient for install inside arbitrary conventional mobile terminal, and the utility model is good, and application scope is extensive, and the low cost reliability is high, has wide use prospect.
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Drawings
Fig. 1 is a schematic cross-sectional view of a silicon microphone patch structure of the present invention;
Fig. 2 is a top three-dimensional view of a silicon microphone patch structure of the present invention;
FIG. 3 is a bottom three-dimensional view of the structure shown in FIG. 2;
Fig. 4 is a cross-sectional view of the internal structure of the terminal suitable for the silicon microphone patch of the present invention.
Reference numerals:
1-silicon microphone patch
11 RF circuit board 12 blanking shell
13 material loading shell 14 MEMS microphone
15 ASIC chip 16 sound inlet
17 PCB paster
21 metal shell 22 cover plate
23 built-in speaker 24 sound outlet
25 PCB mainboard 26 LED display screen
27 sealing silica gel cover
Detailed Description
In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
As shown in fig. 1 to 3, in embodiment 1,
the utility model provides a pair of little microphone paster 1 of silicon of sound of inclining, include:
an RF circuit board 11, the circuit board is a rectangular circuit board, its four corners of lower surface are affixed with the PCB paster 17;
a blanking shell 12, the middle part of which is provided with a cavity for accommodating internal components, the surface of one side of which is provided with a sound inlet hole, and the blanking shell 12 is assembled above the RF circuit board 11;
And the feeding shell 13 is coated on the upper surface of the discharging shell 12, and four fixed angles are arranged on the lower surface of the feeding shell 13, and the lower surfaces of the fixed angles are parallel to the lower surface of the RF circuit board 11.
the internal components include the MEMS microphone 14, the ASIC chip 15; the internal components are arranged on the upper surface of the RF suppression circuit board and are contained in the cavity of the lower shell 12. Wherein the blanking shell 12 is a 301 metal shell 21, and the loading shell 13 is a 301 metal shell 21. As a stainless steel material, the austenitic 301 metal has lower Cr and Ni contents than the 304 metal (nickel plating), so the corrosion resistance is greatly reduced. But can improve tensile strength after cold rolling, 301 metal does not have magnetism originally simultaneously, nevertheless can have magnetism after cold rolling, accords with the utility model discloses technical scheme's requirement.
the surface of the ASIC chip 15 is coated with black glue, and the chip is fixed by the black glue, so that the high-temperature resistance and aging resistance are improved.
the working method principle of the side-sounding silicon microphone patch comprises the following steps:
S1: external sound pressure acts on a diaphragm of the silicon microphone patch to generate thrust for moving the diaphragm;
s2: the vibrating diaphragm converts the thrust into self displacement;
s3: the vibrating diaphragm and the MEMS microphone form a micro capacitor, and the displacement of the vibrating diaphragm causes the capacitance value of the micro capacitor to change;
S4: the ASIC chip realizes the sound-sound conversion of the changed micro-capacitor.
The specific working step schematic diagram is shown in the following formula:
as shown in fig. 4, in the embodiment 2,
The utility model provides a pair of terminal of sound inclines out, the terminal includes:
a metal shell 21; a cover plate 22, the cover plate 22 is coated on the lower surface of the metal shell 21; a PCB main board 25 arranged in the middle of the metal shell 21; a built-in horn 23 provided on the upper surface of the cover plate 22; and an LED display screen 26 arranged on the upper surface of the metal shell 21; a sound outlet hole 24 is formed in the end face of one side of the metal shell 21;
A microphone patch is attached to the metal shell 21 near the sound outlet 24, and the microphone patch is the silicon microphone patch described above.
the LED display screen 26 is an OM-LED screen, and Moire can be eliminated by the OM-LED screen. The cover plate 22 is a 5D glass cover plate, and is good in stereoscopic impression and good in decorative effect. The built-in horn 23 is a BOX horn. The side sound output terminal also comprises a sealing silica gel sleeve 27 connected between the silicon microphone patch and the sound output hole 24, and a sound transmission channel formed by the sealing silica gel sleeve 27 can effectively isolate external noise.
to sum up, the silicon microphone patch with sound coming out from the side provided by the utility model is convenient to install in the ultrathin metal casing based on the technical characteristic that the spring plate is pasted on the RF circuit board through SMT, the sound coming out from the side of the microphone is realized through the silicon microphone patch with sound coming out from the side, the sound transmission channel is shortened, the transmitted sound is natural and smooth, and the fidelity is good and the reduction degree is high; based on the technical characteristics that the silicon microphone patch is attached to the inside of the terminal close to the sound outlet hole, a sound transmission channel is formed between the microphone patch and the sound outlet hole through a sealing silica gel sleeve, and noise interference is filtered; the utility model provides a little microphone paster of silicon of sound of inclining, whole volume is small, is convenient for install inside arbitrary conventional mobile terminal, and the utility model is good, and application scope is extensive, and the low cost reliability is high, has wide use prospect.
the technical content of the present invention is further described by way of example only for the purpose of understanding, but the present invention is not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (9)
1. A side-tone silicon microphone patch, comprising:
The RF circuit board is a rectangular circuit board, and PCB patches are attached to four corners of the lower surface of the circuit board;
The middle part of the blanking shell is provided with a cavity for accommodating internal components, the surface of one side of the blanking shell is provided with a sound inlet hole, and the blanking shell is assembled above the RF circuit board;
the feeding shell is coated on the upper surface of the discharging shell, four fixed angles are arranged on the lower surface of the feeding shell, and the lower surfaces of the fixed angles are parallel to the lower surface of the RF circuit board.
2. the side-tone silicon microphone patch of claim 1, wherein the internal components comprise a MEMS microphone, an ASIC chip; the internal components are arranged on the upper surface of the RF circuit board and are contained in the cavity of the blanking shell.
3. the side-tone silicon microphone patch of claim 1, wherein the lower shell is a 301 metal shell and the upper shell is a 301 metal shell.
4. The side-tone silicon microphone patch according to claim 2, wherein the ASIC chip surface is coated with black glue.
5. A side-tone terminal, comprising:
A metal shell; the cover plate is coated on the lower surface of the metal shell; the PCB mainboard is arranged in the middle of the metal shell; the built-in loudspeaker is arranged on the upper surface of the cover plate; the LED display screen is arranged on the upper surface of the metal shell; a sound outlet hole is formed in the end face of one side of the metal shell;
A microphone patch is attached to the inside of the metal shell near the sound outlet, and the microphone patch is the silicon microphone patch as claimed in any one of claims 1 to 4.
6. The side-tone terminal of claim 5, wherein the LED display screen is an OM-LED screen.
7. The side-emitting terminal of claim 5, wherein the cover plate is a 5D glass cover plate.
8. The side-emitting terminal of claim 5, wherein the built-in speaker is a BOX speaker.
9. The side-emitting terminal of claim 5, further comprising a silicone sealing sleeve coupled between the silicon microphone patch and the sound emitting aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920574061.7U CN209805886U (en) | 2019-04-23 | 2019-04-23 | Side-sounding silicon microphone patch and applicable terminal thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920574061.7U CN209805886U (en) | 2019-04-23 | 2019-04-23 | Side-sounding silicon microphone patch and applicable terminal thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209805886U true CN209805886U (en) | 2019-12-17 |
Family
ID=68831006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920574061.7U Expired - Fee Related CN209805886U (en) | 2019-04-23 | 2019-04-23 | Side-sounding silicon microphone patch and applicable terminal thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209805886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417967A (en) * | 2019-04-23 | 2019-11-05 | 深圳市趣创科技有限公司 | A kind of side goes out silicon micro-microphone patch, working method and its applicable terminal of sound |
-
2019
- 2019-04-23 CN CN201920574061.7U patent/CN209805886U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417967A (en) * | 2019-04-23 | 2019-11-05 | 深圳市趣创科技有限公司 | A kind of side goes out silicon micro-microphone patch, working method and its applicable terminal of sound |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200706 Address after: 514300, E block, 1 eco industrial zone, Pu Zhai new town, Fengshun County, Meizhou, Guangdong Patentee after: GUANGDONG HUIWEI HIGH-TECH Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Baoan District Xixiang Street Gushu Aviation Road and Shunchang Road intersection of Phoenix Island 12 building 7-8 layer Patentee before: SHENZHEN QUCHUANG TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191217 Termination date: 20210423 |