CN212696198U - Wireless earphone and mainboard structure thereof - Google Patents
Wireless earphone and mainboard structure thereof Download PDFInfo
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- CN212696198U CN212696198U CN202022090837.3U CN202022090837U CN212696198U CN 212696198 U CN212696198 U CN 212696198U CN 202022090837 U CN202022090837 U CN 202022090837U CN 212696198 U CN212696198 U CN 212696198U
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- microphone assembly
- main board
- flexible circuit
- mainboard
- circuit board
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Abstract
The utility model discloses a wireless earphone and a mainboard structure thereof, wherein the mainboard structure comprises a mainboard body and a microphone component; a probe for connecting a radio frequency antenna is arranged on the main board body; a flexible circuit board is connected between the main board body and the microphone assembly; the first end part of the flexible circuit board is fixedly and electrically connected with the microphone assembly, and the second end part of the flexible circuit board is fixedly and electrically connected with the mainboard body; an interference prevention region is formed between the first end and the second end. The main board body and the microphone assembly are connected through the flexible circuit board, and the microphone assembly is far away from the radio frequency antenna by arranging the anti-interference area on the flexible circuit board, so that the interference of the microphone assembly on the radio frequency antenna is reduced, the electrical length of the main board body is prolonged, the requirement of the radio frequency antenna on 1/4 wavelengths is met, and the efficiency of the radio frequency antenna is improved; the signal transmission capability of the wireless earphone is improved through reducing interference and improving the efficiency of the radio frequency antenna, and the market demand is met.
Description
Technical Field
The utility model relates to an earphone technical field especially relates to a wireless earphone and mainboard structure thereof.
Background
With the popularization of 3C products, wireless earphones have become an indispensable part of people's lives due to their excellent portability and practicability. The earphone is a pair of conversion units, which receives the electric signal sent by the media player or receiver and converts it into audible sound wave by the loudspeaker near the ear, the earphone is equipped with antenna structure for converting the electric signal into sound wave, and is also equipped with microphone for conversation.
Nowadays, the requirements of users on the signal transmission performance of wireless earphones are higher and higher, and the wireless earphones with poor signal transmission performance are gradually eliminated by the market; at present, the installation form of microphone mainly directly integrates on the PCB board, and wireless earphone during operation has partly radio frequency signal to flow on the microphone, leads to signal transmission ability not enough, unsatisfied market demand.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wireless earphone and mainboard structure thereof solves the not enough problem of present wireless earphone signal transmission ability.
To achieve the purpose, the utility model adopts the following technical proposal:
a mainboard structure of a wireless earphone comprises a mainboard body and a microphone assembly; the main board body is provided with a probe for connecting a radio frequency antenna;
a flexible circuit board is connected between the main board body and the microphone assembly; the first end part of the flexible circuit board is fixedly connected with the microphone assembly and is electrically connected with the microphone assembly, and the second end part of the flexible circuit board is fixedly connected with the mainboard body and is electrically connected with the mainboard body;
the flexible circuit board is formed with an anti-interference area between the first end and the second end for preventing the microphone assembly from interfering with the radio frequency antenna.
Optionally, the flexible circuit board is provided with a first extending portion and a second extending portion protruding from two sides of the interference prevention region.
Optionally, the first extension portion and the second extension portion are both perpendicular to a plane in which the main plate body is located.
Optionally, a third extending portion extends from one end of the first extending portion away from the main board body; the third extending part is arranged on one side of the microphone component.
Optionally, the flexible circuit board further includes a bending portion formed by bending and extending the end of the third extending portion.
Optionally, the second extending portion is provided with a mirror image portion, which is symmetrically arranged with the third extending portion and the bending portion.
Optionally, a connecting plate is disposed at the top of the microphone assembly, and two ends of the connecting plate are respectively and fixedly connected to the third extending portion and the mirror portion;
and a circular groove is formed in the position, corresponding to the sound receiving hole of the microphone assembly, of the connecting plate.
Optionally, a copper plate is embedded in the circular groove.
Optionally, the third extending portion, the bending portion, and the mirror image portion surround an end of the microphone assembly away from the main board body.
A wireless headset comprising a housing; the shell is internally provided with a radio frequency antenna and the main board structure;
the radio frequency antenna is electrically connected with the mainboard structure.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a wireless earphone and mainboard structure thereof, it connects mainboard body and microphone subassembly through the flexible circuit board, and through setting up the anti-interference region on the flexible circuit board, makes the microphone subassembly keep away from the radio frequency antenna, reduces the interference of microphone subassembly to the radio frequency antenna, has lengthened the electric length of mainboard body simultaneously, has satisfied the requirement of radio frequency antenna to 1/4 wavelength, has improved the efficiency of radio frequency antenna; the signal transmission capability of the wireless earphone is improved through reducing interference and improving the efficiency of the radio frequency antenna, and the market demand is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.
Fig. 1 is a schematic overall structure diagram of a motherboard structure according to a first embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of fig. 1 at a.
Illustration of the drawings: 1. a main board body; 11. a probe; 2. a microphone assembly; 3. a flexible circuit board; 31. a first end portion; 32. a second end portion; 33. a first extension; 34. a second extension; 35. a third extension portion; 36. a bending part.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 2, fig. 1 is a schematic view of an overall structure of a motherboard structure according to an embodiment of the present invention, and fig. 2 is a schematic view of a partially enlarged structure at a position a in fig. 1.
Example one
The embodiment of the utility model provides a mainboard structure, it is installed in wireless earphone's casing, through being connected with the radio frequency antenna electricity, realizes wireless transmission signal's function, and it has improved wireless transmission ability through the improvement of structure.
As shown in fig. 1, the main board structure of the wireless headset includes a main board body 1 and a microphone assembly 2; the main board body 1 is provided with a probe 11 for connecting a radio frequency antenna.
A flexible circuit board 3 is connected between the main board body 1 and the microphone assembly 2; the first end 31 of the flexible circuit board 3 is fixedly connected with the microphone assembly 2 and electrically connected with the microphone assembly 2, and the second end 32 of the flexible circuit board 3 is fixedly connected with the main board body 1 and electrically connected with the main board body 1.
An interference prevention area for preventing the microphone assembly 2 from interfering with the radio frequency antenna is formed on the flexible circuit board 3 between the first end portion 31 and the second end portion 32.
Specifically, the main board body 1 and the microphone assembly 2 are connected through the flexible circuit board 3, and the microphone assembly 2 is far away from the radio frequency antenna by arranging the anti-interference area on the flexible circuit board 3, so that the interference of the microphone assembly 3 on the radio frequency antenna is reduced, the electrical length of the main board body 1 is prolonged, the requirement of the radio frequency antenna on 1/4 wavelength is met, and the efficiency of the radio frequency antenna is improved; the signal transmission capability of the wireless earphone is improved through reducing interference and improving the efficiency of the radio frequency antenna, and the market demand is met.
Further, as shown in fig. 2, the flexible circuit board 3 is provided with a first extension portion 33 and a second extension portion 34 protruding from both sides of the interference prevention region.
The first extension part 33 and the second extension part 34 are arranged to further improve the electrical length of the main board body 1, and the first extension part 33 and the second extension part 34 effectively utilize the space of the interference prevention area, so that the main board structure is more compact, and the electrical length requirement of the radio frequency antenna with longer wavelength can be met.
In a specific implementation, the first extension 33 and the second extension 34 are perpendicular to the plane of the main board body 1.
Further, a third extending portion 35 extends from one end of the first extending portion 33 away from the main board body 1; the third extension 35 is disposed at one side of the microphone assembly 2.
Further, the flexible circuit board 3 further includes a bending portion 36 formed by bending and extending the end of the third extending portion 35.
Wherein, through the setting of third extension 35 and the portion of bending 36, improved the electric length of mainboard body 1 on the one hand, on the other hand plays certain effect of keeping apart radio frequency signal and microphone subassembly 2 to make the mainboard structure can match the longer radio frequency antenna of wavelength and reduce radio frequency signal's loss, further improve signal transmission ability.
Further, the second extending portion 34 is extended to form a mirror image portion symmetrical to the third extending portion 35 and the bent portion 36.
In a specific implementation manner, the top of the microphone assembly 2 is provided with a connecting plate, and two ends of the connecting plate are fixedly connected with the third extending portion 35 and the mirror portion respectively.
The connecting plate is provided with a circular groove corresponding to the sound receiving hole of the microphone component 2. Wherein, through the setting of connecting plate, fixed connection third extension 35 and mirror image portion both make flexible circuit board 3 be difficult to the unstability and deformation, have improved the overall stability of mainboard structure.
Specifically, a copper plate is embedded in the circular groove. The transmission speed of sound in the copper plate is faster than the transmission speed in the air, so that the reception effect of the microphone assembly 2 is improved, the delay of signal transmission of the microphone assembly 2 is reduced, and the effect of improving the signal transmission capability of the mainboard structure is achieved.
In another specific implementation, the third extending portion 35, the bent portion 36 and the mirror image portion surround an end of the microphone assembly 2 away from the main board body 1. It should be added that the end of the bending portion 36 can be fixedly connected with the end of the mirror image portion to reinforce the stability of the main board structure, a gap or a notch can be left between the end of the bending portion 36 and the end of the mirror image portion to leave a processing error, so as to reduce the manufacturing cost, and the end of the bending portion 36 and the end of the mirror image portion can be integrally formed to form an enclosing portion, wherein an opening can be opened on the enclosing portion to reduce the weight of the flexible circuit board 3.
In summary, the main board structure provided by this embodiment has the characteristics of strong anti-interference capability, strong signal transmission capability, stable structure and the like, thereby improving the anti-interference capability, the signal transmission capability and the stability of the wireless headset and improving the competitiveness of the wireless headset.
Example two
The embodiment of the utility model provides a wireless earphone, which comprises a shell; a radio frequency antenna and a mainboard structure as in the first embodiment are arranged in the shell; the radio frequency antenna is electrically connected with the main board structure. The first embodiment describes specific structures and technical effects related to the main board structure, and the wireless headset of the first embodiment has the technical effects by using the main board structure.
In summary, the wireless headset provided by the embodiment has the characteristics of strong interference rejection capability, high signal transmission capability and high stability, and has strong competitiveness in the market.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A mainboard structure of a wireless earphone is characterized by comprising a mainboard body (1) and a microphone assembly (2);
a flexible circuit board (3) is connected between the main board body (1) and the microphone assembly (2); the first end part (31) of the flexible circuit board (3) is fixedly connected with the microphone assembly (2) and electrically connected with the microphone assembly (2), and the second end part (32) of the flexible circuit board (3) is fixedly connected with the mainboard body (1) and electrically connected with the mainboard body (1);
an anti-interference area for preventing the microphone assembly (2) from interfering with a radio frequency antenna is formed on the flexible circuit board (3) between the first end portion (31) and the second end portion (32).
2. Mainboard structure of a wireless headset according to claim 1, wherein the flexible circuit board (3) is provided with a first extension (33) and a second extension (34) protruding from the two sides of the interference prevention area.
3. Mainboard structure for a wireless headset according to claim 2, characterized in that the first extension (33) and the second extension (34) are both perpendicular to the plane of the mainboard body (1).
4. The main board structure of the wireless earphone according to claim 2, wherein a third extension part (35) extends from one end of the first extension part (33) far away from the main board body (1); the third extension part (35) is arranged on one side of the microphone assembly (2).
5. The main board structure of wireless earphone according to claim 4, wherein the flexible circuit board (3) further comprises a bent portion (36) formed by bending and extending the end of the third extending portion (35).
6. The main board structure of wireless earphone according to claim 5, wherein the second extension portion (34) is extended with a mirror image portion symmetrically arranged with the third extension portion (35) and the bending portion (36).
7. The main board structure of wireless earphone according to claim 6 is characterized in that a connecting board is arranged on the top of the microphone assembly (2), and two ends of the connecting board are fixedly connected with the third extending part (35) and the mirror image part respectively;
and a circular groove is formed in the position, corresponding to the sound receiving hole of the microphone component (2), of the connecting plate.
8. The main board structure of wireless earphone according to claim 7, wherein a copper plate is embedded in the circular groove.
9. Mainboard structure for a wireless headset according to claim 6, characterised in that the third extension (35), the bend (36) and the mirror surround the microphone assembly (2) at the end remote from the mainboard body (1).
10. A wireless headset comprising a housing; a radio frequency antenna and a main board structure according to any one of claims 1 to 9 are arranged in the shell;
the radio frequency antenna is electrically connected with the mainboard structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022090837.3U CN212696198U (en) | 2020-09-22 | 2020-09-22 | Wireless earphone and mainboard structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022090837.3U CN212696198U (en) | 2020-09-22 | 2020-09-22 | Wireless earphone and mainboard structure thereof |
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| Publication Number | Publication Date |
|---|---|
| CN212696198U true CN212696198U (en) | 2021-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022090837.3U Active CN212696198U (en) | 2020-09-22 | 2020-09-22 | Wireless earphone and mainboard structure thereof |
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| CN (1) | CN212696198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113629393A (en) * | 2021-08-18 | 2021-11-09 | 安徽安努奇科技有限公司 | Antenna system and terminal equipment |
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2020
- 2020-09-22 CN CN202022090837.3U patent/CN212696198U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113629393A (en) * | 2021-08-18 | 2021-11-09 | 安徽安努奇科技有限公司 | Antenna system and terminal equipment |
| CN113629393B (en) * | 2021-08-18 | 2023-12-01 | 安徽安努奇科技有限公司 | Antenna system and terminal equipment |
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