CN107889003B - Wireless earphone - Google Patents
Wireless earphone Download PDFInfo
- Publication number
- CN107889003B CN107889003B CN201610871324.1A CN201610871324A CN107889003B CN 107889003 B CN107889003 B CN 107889003B CN 201610871324 A CN201610871324 A CN 201610871324A CN 107889003 B CN107889003 B CN 107889003B
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- China
- Prior art keywords
- antenna
- module
- earphone
- signals
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000005236 sound signal Effects 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims abstract description 8
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 230000006872 improvement Effects 0.000 abstract description 11
- 238000004891 communication Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
- H04R2201/105—Manufacture of mono- or stereophonic headphone components
Abstract
The invention discloses a wireless earphone, which relates to the field of wireless communication, and comprises a shell, an earphone antenna and a functional component, wherein the functional component is arranged in the shell, the earphone antenna is arranged on the outer surface of the shell in a surrounding manner, and the functional component is electrically connected with the earphone antenna; the shell is used for protecting an internal functional component, the earphone antenna is used for receiving and transmitting signals, and the functional component is used for being in wireless connection with external equipment, processing the signals, converting the signals into corresponding sound signals and outputting the corresponding sound signals. Through with earphone antenna encircles and sets up on the antenna housing, realize real wireless, this embodiment can reduce the interference of EMC signal in a plurality of aspects, avoid wireless earphone is because the problem of the sound distortion, the sound of cutting off or silence that the interference of EMC signal caused in the use, very big improvement user experience.
Description
Technical Field
The invention relates to the field of wireless communication, in particular to a wireless earphone.
Background
In order to get rid of the influence of the wire-bound stereo earphone in the prior art on wearing comfort of users, the development of a wireless sports earphone which is small in size, light in weight and comfortable to wear is a great trend in the future, but because the earphone needs to be well attached to a human ear structure when worn, the antenna radiation can influence the parameters and performance of the antenna when being seriously absorbed by a human body, so that the attenuation of a connecting link with music playing equipment (supporting Bluetooth audio transmission) is great, and the problem of sound interruption or silence is very easy to occur.
For conventional TWS (wire Wireless) Wireless headphones, many manufacturers use wire antennas to achieve the effect that the antenna has poor directivity on the housing or PCB (printed circuit board) of the headphone, and many pits exist in the view of the antenna 3D radiation pattern. Meanwhile, the antenna is particularly good in antenna debugging environment, the limit environment of the TWS earphone cannot meet the requirements, and therefore the efficiency and the actual measurement effect of the antenna are difficult to meet the test requirements.
The whole TWS earphone is small in size, more interference devices are arranged, antenna performance is affected, generally, for a Bluetooth antenna, the length of the antenna is about 32mm according to a 1/2 wavelength principle, and the design length of a main board of the TWS earphone is about 10-15mm, so that the length of the main board needs to be prolonged, in a narrow design area, interference devices such as a battery and a MIC (microphone) exist, certain shielding measures are very important, and the consistency of the antenna performance is difficult to ensure due to the fact that the wiring area of the antenna is small at present and the antenna performance is difficult to ensure during mass production.
Disclosure of Invention
In order to overcome the defects of related products in the prior art, the invention provides a wireless earphone, which solves the problems that the existing wireless earphone is easy to generate sound distortion, sound interruption or silence in the using process.
The technical scheme adopted for solving the technical problems is as follows:
the invention provides a wireless earphone, comprising: the earphone comprises a shell, an earphone antenna and a functional component, wherein the functional component is arranged in the shell, the earphone antenna is arranged on the outer surface of the shell in a surrounding mode, and the functional component is electrically connected with the earphone antenna; the shell is used for protecting an internal functional component, the earphone antenna is used for receiving and transmitting signals, and the functional component is used for being in wireless connection with external equipment, processing the signals, converting the signals into corresponding sound signals and outputting the corresponding sound signals.
As a further improvement of the invention, the housing comprises a main housing and an antenna housing, the main housing is provided with an opening at the top, the antenna housing covers the opening, the antenna housing and the main housing are fixed in a riveting or welding mode, an antenna feed point is arranged on the antenna housing, and the earphone antenna is arranged on the antenna housing and is electrically connected with the antenna feed point.
As a further improvement of the invention, the earphone antenna is made by LDS and directly plated onto the antenna housing.
As a further improvement of the invention, the functional component comprises a PCBA board and battery units which are distributed from top to bottom in sequence, wherein a battery charging module is integrated on the PCBA board, the battery charging module is electrically connected with the battery units, the battery units are used for providing electric energy required for supporting normal operation of active elements in the functional component, and the battery charging module is used for providing support for charging the battery units from the outside.
As a further improvement of the invention, the PCBA is also integrated with a Bluetooth module and an antenna matching circuit module, and the antenna matching circuit module is respectively and electrically connected with the antenna feed point and the Bluetooth module; the antenna matching circuit module is used for improving the transmission efficiency of signals; the Bluetooth module is used for processing input signals and outputting the processed signals, the input signals comprise signals input by the PCBA board and the earphone antenna, and the Bluetooth module outputs the signals comprising signals output to the outside and the audio module through the earphone antenna.
As a further improvement of the present invention, the functional module further includes a magnet disposed at a bottom layer of the housing, the magnet being positioned below the battery cell, the magnet being for enhancing the stability of external charging of the battery cell.
As a further improvement of the present invention, the functional component further includes an audio module, where the audio module is electrically connected to the bluetooth module, and the audio module is configured to convert a signal output by the bluetooth module into a sound signal for output.
As a further improvement of the invention, all elements in the functional assembly are electrically connected through wires, the wires are all FPC wires and are wound, and the periphery of the wires is surrounded by ground wires.
As a further improvement of the present invention, the wireless earphone further includes a key module, the key module is disposed above the antenna housing, a gap is left between the key module and the antenna housing, the earphone antenna is located in the gap, and the key module is electrically connected with the functional component.
As a further improvement of the invention, the key module comprises a physical key and a control circuit module; the physical key is a rebound key with a spring device arranged inside, and a signal is sent to the control circuit module by pressing the physical key; the control circuit module is respectively and electrically connected with the physical key and the functional component; the control circuit module is used for sending corresponding control signals to the functional components according to the operation of the physical keys by a user, and controlling the functional components to realize corresponding functions, including signal transmission and volume output size control.
Compared with the prior art, the invention has the following advantages:
1. the wireless earphone realizes real wireless by surrounding the earphone antenna on the antenna shell.
2. The inside wire all adopts the FPC line and carries out winding processing, and all surrounds with the ground wire around the wire, reduces the space that the wire occupy further reduces wireless earphone's volume size, just the antenna shell with leave sufficient space between the button module and hold earphone antenna, can reduce EMC signal's interference in a plurality of aspects simultaneously, avoid wireless earphone is because the problem of the sound distortion, the sound of breaking or silence that EMC signal's interference caused in the use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a wireless earphone according to the present invention;
fig. 2 is a schematic structural diagram of the earphone antenna, the functional module and the key module;
fig. 3 is another schematic structural diagram of the wireless earphone.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, the wireless earphone includes a housing 1, an earphone antenna 2, and a functional component 3 (not shown), wherein the functional component 3 is disposed inside the housing 1, the earphone antenna 2 is disposed on the outer surface of the housing 1 by electroplating, and the functional component 3 is electrically connected with the earphone antenna 2; the shell 1 is used for protecting an internal functional component 3, the earphone antenna 2 is used for receiving and transmitting signals, and the functional component 3 is used for carrying out wireless connection with external equipment, processing the signals, converting the signals into corresponding sound signals and outputting the corresponding sound signals.
The shell 1 comprises a main shell 11 and an antenna shell 12, wherein the main shell 11 is provided with an opening at the top, the antenna shell 12 covers the opening, the antenna shell 12 and the main shell 11 are fixed in a riveting or welding mode, an antenna feed point is arranged on the antenna shell 12, and the earphone antenna 2 is arranged on the antenna shell 12 and is electrically connected with the antenna feed point.
In this embodiment, the earphone antenna 2 is manufactured by LDS (Laser Direct Structuring laser direct structuring) and directly electroplated on the antenna housing 12, so that the consistency of the earphone antenna 2 during mass production can be ensured; since the in-ear wireless earphone is generally designed to have a length of about 10-15mm in order to conform to the structure of the human ear, and the length of the earphone antenna 2 is about 32mm in the present embodiment, by disposing the earphone antenna 2 around the antenna housing 12, it is possible to realize a real wireless (TWS) while realizing the basic functions of the antenna.
Referring to fig. 2, the functional component 3 includes a PCBA (Printed Circuit Board +assembly refers to a PCB blank passing through SMT loading and then through the whole process of DIP plug-in) board 31, a battery unit 32 and a magnet 36, which are sequentially distributed from top to bottom; the PCBA board 31 is located below the antenna shell 12 and electrically connected to the antenna feed point, the PCBA board 31 is provided with a feed point of the antenna for grounding, and the PCBA board 31 is integrated with a battery charging module 33, a bluetooth module 34 and an antenna matching circuit module 35; the battery charging module 33 is electrically connected to the battery unit 32, the battery unit 32 is configured to provide electric energy required for supporting normal operation of active components in the functional module 3, the battery charging module 33 is configured to provide support for charging the battery unit 32 from the outside, and protect the battery unit 32 from damage to the battery unit 32 due to overload of an externally input current; the magnet 36 has a strong magnetic force, so as to enhance the stability of externally charging the battery unit 32, and because the magnet 36 has interference to signals, in this embodiment, the magnet 36 is disposed at the bottom layer of the housing 1 and is farthest from the earphone antenna 2, so that the interference of the magnet 36 to the earphone antenna 2 for receiving and transmitting signals can be greatly reduced.
The antenna matching circuit module 35 is electrically connected to the antenna feed point and the bluetooth module 34, respectively, and the antenna matching circuit module 35 is configured to improve signal transmission efficiency.
The bluetooth module 34 is configured to process an input signal and output the processed signal, where the input signal includes a signal input by the PCBA board 31 and the earphone antenna 2, and the bluetooth module 34 outputs the signal including being output to the outside through the earphone antenna 2 and to the audio module 37; the bluetooth module 34 is connected with the external wireless through the earphone antenna 2 to realize data transmission.
The functional module 3 further includes an audio module 37, in this embodiment, the audio module 37 is a speaker, the audio module 37 is electrically connected to the bluetooth module 34, and the audio module 37 is configured to convert a signal output by the bluetooth module 34 into a sound signal for output.
In this embodiment, each element inside the functional component 3 is electrically connected through a wire, and optionally, the wires are all made of FPC (Flexible Printed Circuit flexible circuit board) wires and are wound, and the periphery of the wires is surrounded by a ground wire, so that interference of EMC (Electro Magnetic Compatibility electromagnetic compatibility) signals can be effectively prevented, and meanwhile, the space occupied by the wires can be reduced to further reduce the size of the wireless earphone.
The wireless earphone further comprises a key module 4, wherein the key module 4 is arranged above the antenna shell 12, a gap is reserved between the key module 4 and the antenna shell 12, in the embodiment, the height of the gap is not lower than 2mm, the earphone antenna 2 is positioned in the gap, and the interference of EMC signals is further weakened due to the existence of the gap; the key module 4 is electrically connected with the functional component 3, the key module 4 comprises physical keys 41 and control circuit modules 42, the number of the physical keys 41 is set according to the requirement, and the control circuit modules 42 are electrically connected with the physical keys 41 and the functional component 3 respectively; the physical key 41 is a rebound key with a spring device arranged inside, a signal is sent to the control circuit module 42 by pressing the physical key 41, and the control circuit module 42 is used for sending a corresponding control signal to the functional component 3 according to the operation of a user on the physical key 41, so as to control the functional component 3 to realize corresponding functions, including signal transmission, volume output size control and the like.
The wireless earphone according to the embodiment of the invention includes a pair of identical earphone which are respectively worn on the left and right ears of the user, and is designed symmetrically for comfort and appearance of the user, and is shown in fig. 1 and 3, which are respectively schematic structural diagrams of a pair of wireless earphone worn on the left and right ears of the user.
In this embodiment, the wireless earphone is through with earphone antenna 2 encircles the setting on antenna housing 12, realizes real wireless, adopts the FPC line to the wire of inside simultaneously and do winding processing, and all surrounds with the ground wire around the wire, reduces the space that the wire occupy further reduces wireless earphone's volume size, just antenna housing 12 with leave sufficient space between button module 4 and hold earphone antenna 2, can reduce the interference of EMC signal in a plurality of aspects simultaneously, avoid wireless earphone is because the problem of the sound distortion, the sound of breaking or silence that the interference of EMC signal caused in the use, very big improvement user experience.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (9)
1. A wireless headset, comprising: the earphone comprises a shell, an earphone antenna and a functional component, wherein the functional component is arranged in the shell, the earphone antenna is arranged on the outer surface of the shell in a surrounding mode, and the functional component is electrically connected with the earphone antenna; the shell is used for protecting an internal functional component, the earphone antenna is used for receiving and transmitting signals, and the functional component is used for carrying out wireless connection with external equipment, processing the signals, converting the signals into corresponding sound signals and outputting the corresponding sound signals;
the housing comprises a main housing and an antenna housing, the main housing has an opening at the top, and the antenna housing covers the opening;
the wireless earphone further comprises a key module, wherein the key module is arranged above the antenna shell, a gap is reserved between the key module and the antenna shell, the earphone antenna is positioned in the gap, and the key module is electrically connected with the functional component.
2. The wireless headset of claim 1, wherein: the antenna shell and the main shell are fixed in a riveting or welding mode, an antenna feed point is arranged on the antenna shell, and the earphone antenna is arranged on the antenna shell and is electrically connected with the antenna feed point.
3. The wireless headset of claim 2, wherein: the earphone antenna is made by LDS and directly electroplated onto the antenna housing.
4. The wireless headset of claim 2, wherein: the function assembly comprises PCBA plates and battery units, wherein the PCBA plates and the battery units are distributed from top to bottom in sequence, a battery charging module is integrated on each PCBA plate and is electrically connected with each battery unit, each battery unit is used for providing electric energy required by supporting normal operation of active elements in the function assembly, and each battery charging module is used for providing support for charging for the battery units.
5. The wireless headset of claim 4, wherein: the PCBA board is also integrated with a Bluetooth module and an antenna matching circuit module, and the antenna matching circuit module is respectively and electrically connected with the antenna feed point and the Bluetooth module; the antenna matching circuit module is used for improving the transmission efficiency of signals; the Bluetooth module is used for processing input signals and outputting the processed signals, the input signals comprise signals input by the PCBA board and the earphone antenna, and the Bluetooth module outputs the signals comprising signals output to the outside and the audio module through the earphone antenna.
6. The wireless headset of claim 4, wherein: the functional assembly further comprises a magnet arranged at the bottom layer of the shell, the magnet is positioned below the battery unit, and the magnet is used for enhancing the stability of charging from the outside to the battery unit.
7. The wireless headset of claim 5, wherein: the function assembly further comprises an audio module, wherein the audio module is electrically connected with the Bluetooth module, and the audio module is used for converting signals output by the Bluetooth module into sound signals to output.
8. The wireless headset of claim 1, wherein: all the components in the functional assembly are electrically connected through wires, the wires are all FPC wires and are wound, and the periphery of the wires is surrounded by ground wires.
9. The wireless headset of any one of claims 1 to 8, wherein: the key module comprises a physical key and a control circuit module; the physical key is a rebound key with a spring device arranged inside, and a signal is sent to the control circuit module by pressing the physical key; the control circuit module is respectively and electrically connected with the physical key and the functional component; the control circuit module is used for sending corresponding control signals to the functional components according to the operation of the physical keys by a user, and controlling the functional components to realize corresponding functions, including signal transmission and volume output size control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871324.1A CN107889003B (en) | 2016-09-30 | 2016-09-30 | Wireless earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871324.1A CN107889003B (en) | 2016-09-30 | 2016-09-30 | Wireless earphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107889003A CN107889003A (en) | 2018-04-06 |
| CN107889003B true CN107889003B (en) | 2024-04-02 |
Family
ID=61769584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610871324.1A Active CN107889003B (en) | 2016-09-30 | 2016-09-30 | Wireless earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107889003B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111031430B (en) * | 2019-12-19 | 2021-08-27 | 东莞市逸音电子科技有限公司 | Earphone that two unifications of touch key and antenna are mutually profitable |
| CN111935576B (en) * | 2020-06-30 | 2022-05-03 | 瑞声科技(新加坡)有限公司 | Earphone and assembling method thereof |
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| Publication number | Publication date |
|---|---|
| CN107889003A (en) | 2018-04-06 |
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