CN210469408U - Electronic equipment - Google Patents
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- CN210469408U CN210469408U CN201922146577.4U CN201922146577U CN210469408U CN 210469408 U CN210469408 U CN 210469408U CN 201922146577 U CN201922146577 U CN 201922146577U CN 210469408 U CN210469408 U CN 210469408U
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Abstract
The utility model provides an electronic equipment, include: the middle frame is internally provided with an accommodating space, a first side end of the middle frame is provided with a first through hole, and the first through hole penetrates through a first side wall of the middle frame and is communicated with the outside and the accommodating space; the mainboard support is provided with a second through hole, the mainboard support is arranged in the accommodating space, and the second through hole is communicated with the first through hole; the microphone is arranged in the accommodating space, and the sound receiving hole of the microphone is communicated with the second through hole; the first through hole and the second through hole jointly form a sound guide channel of the microphone. This scheme can realize forming the sound channel of leading of microphone jointly through center and mainboard support, and no longer have too much requirement to the structure of center, also can not have too much requirement to the relative position between PCB and the screen any more, and can both form complete sound channel of leading to the microphone under any circumstances, fine solution the PCB in the electronic equipment when near apart from the screen, can't form the problem to the complete sound channel of leading of microphone.
Description
Technical Field
The utility model relates to the technical field of structure, especially indicate an electronic equipment.
Background
With the development of mobile phone communication technology, mobile phones have more and more functions and more required components, but the requirement for the overall appearance of the mobile phone is light and thin, so that the utilization rate of the internal space of the mobile phone is challenged. The mobile phone receives sound through a microphone, the microphone is installed on a mainboard at present, and a sound guide channel is processed on a middle frame of the mobile phone to realize sound receiving; this affects the PCB (printed circuit board) area utilization, limiting the freedom of mounting positions of the microphone.
Specifically, fig. 1 illustrates a current mounting manner of a microphone (in the figure, a represents the microphone, and b represents a PCB), and the microphone is directly mounted on the PCB; the PCB is arranged on a middle frame of the mobile phone, the mainboard support is arranged on the middle frame of the mobile phone as shown in figure 2 (in the figure, a represents a microphone, b represents the PCB, c represents a screen, d represents the mainboard support, e represents a battery cover, f represents the middle frame, and g represents a sound guide channel), the mainboard is compressed and protected, and meanwhile, partial circuit conduction is realized; a sound guide channel is processed on the middle frame, and sound is received by the microphone through the sound guide channel. When the PCB is close to the screen, only the side face on the middle frame can be processed with the sound guide channel, and the space of the sound guide channel is not processed at other positions, so that the sound guide channel is incomplete, and the sound cannot be collected by the microphone.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic equipment, the PCB in the electronic equipment among the solution prior art is near apart from the screen, can't form the problem to the complete leading sound passageway of microphone.
In order to solve the above technical problem, an embodiment of the present invention provides an electronic device, including:
the inner part of the middle frame is provided with an accommodating space, the first side end of the middle frame is provided with a first through hole, and the first through hole penetrates through the first side wall of the middle frame and is communicated with the outside and the accommodating space;
the mainboard support is provided with a second through hole, the mainboard support is arranged in the accommodating space, and the second through hole is communicated with the first through hole;
the microphone is arranged in the accommodating space, and a sound receiving hole of the microphone is communicated with the second through hole;
the first through hole and the second through hole jointly form a sound guide channel of the microphone.
Optionally, the method further includes: a printed circuit board;
the printed circuit board is arranged in the accommodating space, the microphone is fixed on the printed circuit board, and the sound receiving hole of the microphone faces the second through hole.
Optionally, a first groove with an opening facing the accommodating space is formed in the second side wall of the middle frame, and the first side wall is connected with the second side wall;
the printed circuit board is arranged in the first groove.
Optionally, the microphone is disposed between the motherboard bracket and the printed circuit board.
Optionally, a second groove is formed in the main board support, the second groove is communicated with the second through hole, and the microphone is arranged in the second groove.
Optionally, the printed circuit board is disposed between the microphone and the motherboard bracket.
Optionally, a third groove with an opening facing the accommodating space is formed in the second side wall, and the microphone is arranged in the third groove;
a third through hole is formed in the printed circuit board and is communicated with the second through hole and the sound receiving hole of the microphone;
the first through hole, the second through hole and the third through hole jointly form a sound guide channel of the microphone.
Optionally, the method further includes: a first cover plate;
a fourth groove is formed in the main board support and communicated with the second through hole;
the first cover plate is attached to the edge of the fourth groove.
Optionally, the method further includes: a battery cover;
a sixth groove is formed in the middle frame, the accommodating space is provided with a first opening, and the sixth groove is communicated with the first opening;
the battery cover is fixed in the sixth groove.
Optionally, the method further includes: a screen;
and a seventh groove is formed in the middle frame, and the screen is fixed in the seventh groove.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
in the above scheme, the electronic device sets: the inner part of the middle frame is provided with an accommodating space, the first side end of the middle frame is provided with a first through hole, and the first through hole penetrates through the first side wall of the middle frame and is communicated with the outside and the accommodating space; the mainboard support is provided with a second through hole, the mainboard support is arranged in the accommodating space, and the second through hole is communicated with the first through hole; the microphone is arranged in the accommodating space, and a sound receiving hole of the microphone is communicated with the second through hole; the first through hole and the second through hole jointly form a sound guide channel of the microphone; can realize forming the sound channel of leading of microphone jointly through center and mainboard support, and no longer need have too much requirement to the structure of center, also can not have too much requirement to the relative position between PCB and the screen any longer to can both form complete sound channel to the microphone under any circumstances, fine solution among the prior art PCB in the electronic equipment when near apart from the screen, can't form the problem to the complete sound channel of leading of microphone.
Drawings
FIG. 1 is a schematic view of a microphone mounting method in the prior art;
FIG. 2 is a schematic diagram of an electronic device according to the prior art;
fig. 3 is a first schematic structural diagram of an electronic device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a motherboard bracket structure according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses when being nearer apart from the screen to PCB in the electronic equipment among the prior art, can't form the problem to the complete leading sound passageway of microphone, provide an electronic equipment, as shown in fig. 3 to 5, include:
the inner side of the middle frame 1 is provided with an accommodating space 2, a first through hole 3 is formed in the first side end of the middle frame 1, and the first through hole 3 penetrates through the first side wall of the middle frame 1 and is communicated with the outside and the accommodating space 2;
the mainboard support 4 is provided with a second through hole 5, the mainboard support 4 is arranged in the accommodating space 2, and the second through hole 5 is communicated with the first through hole 4;
the microphone 6 is arranged in the accommodating space 2, and the sound receiving hole 7 of the microphone 6 is communicated with the second through hole 5;
the first through hole 3 and the second through hole 5 together form a sound guide channel of the microphone 6.
The embodiment of the utility model provides an electronic equipment is through setting up: the inner part of the middle frame is provided with an accommodating space, the first side end of the middle frame is provided with a first through hole, and the first through hole penetrates through the first side wall of the middle frame and is communicated with the outside and the accommodating space; the mainboard support is provided with a second through hole, the mainboard support is arranged in the accommodating space, and the second through hole is communicated with the first through hole; the microphone is arranged in the accommodating space, and a sound receiving hole of the microphone is communicated with the second through hole; the first through hole and the second through hole jointly form a sound guide channel of the microphone; can realize forming the sound channel of leading of microphone jointly through center and mainboard support, and no longer need have too much requirement to the structure of center, also can not have too much requirement to the relative position between PCB and the screen any longer to can both form complete sound channel to the microphone under any circumstances, fine solution among the prior art PCB in the electronic equipment when near apart from the screen, can't form the problem to the complete sound channel of leading of microphone.
Further, as shown in fig. 3 and 4, the electronic device further includes: a printed circuit board 8; the printed circuit board 8 is arranged in the accommodating space 2, the microphone 6 is fixed on the printed circuit board 8, and the sound receiving hole 7 of the microphone 6 faces the second through hole 5.
Specifically, as shown in fig. 3 and 4, a first groove 9 with an opening facing the accommodating space 2 is formed on a second side wall of the middle frame 1, and the first side wall is connected with the second side wall; the printed circuit board 8 is arranged in the first groove 9.
Regarding the specific relative position between the microphone and the printed circuit board, the embodiments of the present invention provide the following two examples:
in a first example, as shown in fig. 3 and 4, the printed circuit board 8 is provided between the microphone 6 and the main board holder 4.
Specifically, as shown in fig. 3 and 4, a third groove 10 with an opening facing the accommodating space 2 is provided on the second side wall, and the microphone 6 is disposed in the third groove 10 (specifically, the third groove 10 is provided at the bottom of the first groove 9, and the first groove 9 is communicated with the third groove 10);
a third through hole 11 is formed in the printed circuit board 8, and the third through hole 11 is communicated with the second through hole 5 and the sound receiving hole 7 of the microphone 6; the first through hole 3, the second through hole 5 and the third through hole 11 together form a sound guide channel of the microphone.
Further, as shown in fig. 3 and 4, a third foam 12 and a third dust prevention net 13 are disposed at a communication position between the second through hole 5 and the third through hole 11, and the third dust prevention net 13 is located between the third foam 12 and the main board support 4; and a sixth through hole 14 is formed in the third foam 12, and the sixth through hole 14 is communicated with the second through hole 5 and the third through hole 11.
Therefore, the influence of dust and sundries on the sound guide channel and the sound receiving hole of the microphone on the normal use of the electronic equipment can be prevented.
Specifically, as shown in fig. 3 and 4, a fifth groove 15 is formed in the main board support 4, and the third foam 12 and the third dust screen 13 are both located in the fifth groove 15.
In a second example, the microphone is disposed between the motherboard bracket and the printed circuit board.
Specifically, a second groove is formed in the main board support, the second groove is communicated with the second through hole, and the microphone is arranged in the second groove (not shown in the figure). The second recess can be referred to as the fifth recess 15 in the first example, and is not described in detail here.
Furthermore, a first foam and a first dust screen are arranged between the mainboard support and the microphone, and the first dust screen is arranged between the first foam and the mainboard support; and a fourth through hole is formed in the first foam, and the fourth through hole is communicated with the second through hole and the sound receiving hole (not shown in the figure).
The second example differs from the first mainly in that: in the first example, the printed circuit board is located between the microphone and the main board bracket (the microphone is located at the lower side of the printed circuit board), and a third groove is required to be arranged on the middle frame to accommodate the microphone; in the second example, the microphone is positioned between the printed circuit board and the mainboard bracket (the microphone is positioned on the upper side of the printed circuit board), and a corresponding groove is not required to be arranged on the middle frame for accommodating the microphone; other related structures in the two examples can be mutually referred, and are not described in detail herein.
As shown in fig. 3 to 5, the electronic device further includes: a first cover plate 16;
a fourth groove 17 is formed in the main board support 4, and the fourth groove 17 is communicated with the second through hole 5; the first cover plate 16 is attached to the edge of the fourth groove 17 (to ensure the sealing performance of the sound guiding channel, but a gasket may also be added between the first cover plate 16 and the fourth groove 17 to further improve the sealing performance of the sound guiding channel, and the gasket may be made of rubber, but not limited thereto). Specifically, the first cover plate 16 may be inserted into the fourth groove 17.
Therefore, the dust screen can be conveniently replaced, the second through hole is conveniently formed, and the process difficulty is reduced.
Specifically, as shown in fig. 3 to 5, a first side end of the main board support 4 is connected to a second side end; the second through hole 5 comprises a first part 18, a second part 19 and a third part 20 which are sequentially communicated with each other, wherein the first part 18 extends along a first direction, the second part 19 extends along a second direction, the third part 20 extends along a third direction, a first included angle is formed between the first direction and the second direction, the first direction and the second direction are both located on a first plane, and the third direction is located on a second plane which forms a second included angle with the first plane; the fourth groove 17 communicates with both the first portion 18 and the second portion 19.
Further, as shown in fig. 3 and 4, the electronic device further includes: a battery cover 21; a sixth groove 22 is formed in (a second side end of) the middle frame 1, the accommodating space 2 is provided with a first opening, and the sixth groove 22 is communicated with the first opening; the battery cover 21 is fixed in the sixth groove 22.
Further, as shown in fig. 3 and 4, the electronic device further includes: a screen 23; a seventh groove 24 is formed in (the third side end of) the middle frame 1, and the screen 23 is fixed in the seventh groove 24.
In the embodiment of the present invention, as shown in fig. 3 and 4, a second foam 25 and a second dust screen 26 are disposed at a communication position between the first through hole 3 and the second through hole 4, and the second dust screen 26 is located between the second foam 25 and the main board support 4; wherein, be equipped with fifth through-hole 27 on the second bubble is cotton 25, just fifth through-hole 27 with first through-hole 3 and second through-hole 4 all communicate.
Specifically, the main board support 4 is provided with a first avoidance structure 28 and a second avoidance structure 29 at the side end where the first end of the second through hole 5 is located, the first avoidance structure 28 and the second avoidance structure 29 are provided with a dust screen attachment surface 30 therebetween, and the dust screen attachment surface 30 is attached to the second dust screen 26.
In the embodiment of the present invention, as shown in fig. 3 and 4, a third included angle is formed between the central axis of the first through hole 3 and the first side wall of the middle frame 1; that is, the first through hole 3 is disposed obliquely, and the opening connected to the outside may be disposed close to the screen, so as to better collect the sound input from the outside (for example, the user) in practical applications, but not limited thereto.
Further, as shown in fig. 4, the electronic device further includes: a spring plate 31; the elastic sheet 31 is arranged on the printed circuit board PCB in a touching and pressing way; the elastic sheet 31 has elasticity and the elastic sheet 31 is in a compressed state, so that part of circuits needing to be conducted are conducted.
The electronic device provided by the embodiment of the present invention is further described below.
To the technical problem, the embodiment of the utility model provides an electronic equipment relates to a new sound mode of leading, and the difference of new sound mode of leading and current scheme mainly reflects at mainboard support and the processing sound channel of leading on the midframe side, has following advantage:
(1) when PCB is nearer apart from the screen among the current scheme, the center does not process the space of complete leading sound passageway, can't realize the collection of sound, and this technical problem can be solved to this scheme, realizes the normal collection of sound.
(2) The microphone is more flexible in installation position on the mainboard, and can reduce the interference to PCB wiring.
The embodiment of the utility model provides a scheme can specifically be as shown in fig. 3 to fig. 5:
Specifically, the sound guide channel (the first through hole 3) may be machined in the side frame of the middle frame 1.
A sound guide channel (a second through hole 5) is processed on the main board support 4, and the sound guide channel (the second through hole 5) on the main board support 4 is communicated with the sound guide channel (the first through hole 3) on the middle frame 1 to form a complete sound guide channel. The dust-proof net attaching surface 30 of the main board support 4 can be used for attaching the second dust-proof net 26.
Further, a sound guide channel cover plate (i.e., the first cover plate 16) may be adhered to the upper side of the sound guide channel of the main board support 4, and sealed to form a closed sound guide channel.
The battery cover 21 can protect the internal components of the battery, and the screen 23 can be used for displaying the components with beautiful appearance.
The following further description is directed to the components referred to above:
battery cover 21: the protective cover can be used for protecting batteries and other parts, preventing the parts from being leaked and damaged and ensuring the attractive appearance;
the main board support 4: the machinable sound guide channel (the second through hole 5) is used for guiding sound, pasting a dustproof net (the second dustproof net 26), pressing and protecting the mainboard and connecting partial circuits;
sound guide channel cover plate (i.e., the first cover plate 16 described above): a sound guide passage (second through hole 5) for sealing;
PCB 8: can be used for installing components;
the microphone 6: the acoustic signal can be converted into an electric signal;
middle frame 1: can be used for installing other components such as a mainboard and the like.
It should be noted that the structure for forming the sound guiding channel provided by the embodiment of the present invention is not only suitable for applications on mobile phones, but also can be used in other electronic devices.
The foregoing is directed to the preferred embodiments of the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (10)
1. An electronic device, comprising:
the inner part of the middle frame is provided with an accommodating space, the first side end of the middle frame is provided with a first through hole, and the first through hole penetrates through the first side wall of the middle frame and is communicated with the outside and the accommodating space;
the mainboard support is provided with a second through hole, the mainboard support is arranged in the accommodating space, and the second through hole is communicated with the first through hole;
the microphone is arranged in the accommodating space, and a sound receiving hole of the microphone is communicated with the second through hole;
the first through hole and the second through hole jointly form a sound guide channel of the microphone.
2. The electronic device of claim 1, further comprising: a printed circuit board;
the printed circuit board is arranged in the accommodating space, the microphone is fixed on the printed circuit board, and the sound receiving hole of the microphone faces the second through hole.
3. The electronic device of claim 2, wherein a first groove with an opening facing the accommodating space is formed in the second side wall of the middle frame, and the first side wall is connected with the second side wall;
the printed circuit board is arranged in the first groove.
4. The electronic device of claim 2 or 3, wherein the microphone is disposed between the motherboard bracket and the printed circuit board.
5. The electronic device of claim 4, wherein a second groove is formed in the main board support, the second groove is communicated with the second through hole, and the microphone is arranged in the second groove.
6. The electronic device of claim 3, wherein the printed circuit board is disposed between the microphone and the motherboard bracket.
7. The electronic device of claim 6, wherein a third groove with an opening facing the accommodating space is formed in the second sidewall, and the microphone is disposed in the third groove;
a third through hole is formed in the printed circuit board and is communicated with the second through hole and the sound receiving hole of the microphone;
the first through hole, the second through hole and the third through hole jointly form a sound guide channel of the microphone.
8. The electronic device of claim 1, further comprising: a first cover plate;
a fourth groove is formed in the main board support and communicated with the second through hole;
the first cover plate is attached to the edge of the fourth groove.
9. The electronic device of claim 1, further comprising: a battery cover;
a sixth groove is formed in the middle frame, the accommodating space is provided with a first opening, and the sixth groove is communicated with the first opening;
the battery cover is fixed in the sixth groove.
10. The electronic device of claim 1, further comprising: a screen;
and a seventh groove is formed in the middle frame, and the screen is fixed in the seventh groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922146577.4U CN210469408U (en) | 2019-12-04 | 2019-12-04 | Electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922146577.4U CN210469408U (en) | 2019-12-04 | 2019-12-04 | Electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210469408U true CN210469408U (en) | 2020-05-05 |
Family
ID=70436699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922146577.4U Active CN210469408U (en) | 2019-12-04 | 2019-12-04 | Electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210469408U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112291391A (en) * | 2020-10-28 | 2021-01-29 | 维沃移动通信有限公司 | Electronic device |
| CN112468627A (en) * | 2020-11-30 | 2021-03-09 | 维沃移动通信有限公司 | Electronic device |
| WO2023246303A1 (en) * | 2022-06-24 | 2023-12-28 | 荣耀终端有限公司 | Audio device and terminal device |
| WO2024041012A1 (en) * | 2022-08-24 | 2024-02-29 | 荣耀终端有限公司 | Portable electronic device |
-
2019
- 2019-12-04 CN CN201922146577.4U patent/CN210469408U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112291391A (en) * | 2020-10-28 | 2021-01-29 | 维沃移动通信有限公司 | Electronic device |
| CN112468627A (en) * | 2020-11-30 | 2021-03-09 | 维沃移动通信有限公司 | Electronic device |
| WO2023246303A1 (en) * | 2022-06-24 | 2023-12-28 | 荣耀终端有限公司 | Audio device and terminal device |
| WO2024041012A1 (en) * | 2022-08-24 | 2024-02-29 | 荣耀终端有限公司 | Portable electronic device |
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