CN109547885A - A kind of wireless communication earphone - Google Patents
A kind of wireless communication earphone Download PDFInfo
- Publication number
- CN109547885A CN109547885A CN201811444342.7A CN201811444342A CN109547885A CN 109547885 A CN109547885 A CN 109547885A CN 201811444342 A CN201811444342 A CN 201811444342A CN 109547885 A CN109547885 A CN 109547885A
- Authority
- CN
- China
- Prior art keywords
- circuit
- antenna
- circuit board
- wireless communication
- communication earphone
- 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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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
The embodiment of the invention discloses a kind of wireless communication earphone, the wireless communication earphone includes: first circuit board;The first circuit board includes touch circuit and the antenna circuit that is independently arranged with the touch circuit.The problem of present invention solves in the prior art, and the clearance zone of antenna circuit reduces, the efficiency of antenna circuit reduces has achieved the effect that increase the clearance zone of antenna circuit, has promoted the efficiency of antenna circuit and reduce cost.
Description
Technical field
The present embodiments relate to wireless communication technology fields, more particularly to a kind of wireless communication earphone.
Background technique
Real wireless stereo (True Wireless Stereo, TWS) bluetooth headset, because with good sound quality and rich
Rich touch function is developed rapidly.Touch function for example may be implemented, and easily upper sliding louder volume, light downslide are to drop
Amount of bass or double-click change and listen next song etc..
In the prior art, bluetooth headset includes touch-control flexible circuit board (touch FPC) and antenna circuit board, and
Touch FPC and antenna circuit board are stacked in bluetooth headset.Antenna circuit board is more demanding to clearance zone, in clearance zone
It is interior should isolating metal element (good antenna headroom Qu Yingwu metal device projection) etc. so as to can be realized omnidirectional logical for antenna
Letter, efficiency with higher.In order to keep touch function more diversified, need to increase the area of touch FPC.Inventor is having
In body implementation process, discovery has metallic character, the finite volume of bluetooth headset, with touch FPC's due to touch FPC
Area increases, and reduces the clearance zone of antenna, reduces the efficiency of antenna, so that user experience is deteriorated.
Summary of the invention
In view of this, main purpose, which is to realize, increases antenna the embodiment of the invention provides a kind of wireless communication earphone
Clearance zone, promote the effect of the efficiency of antenna.
To solve the above-mentioned problems, the embodiment of the present invention mainly provides the following technical solutions:
The embodiment of the invention provides a kind of wireless communication earphone, the wireless communication earphone includes: first circuit board;
The first circuit board includes touch circuit and the antenna circuit that is independently arranged with the touch circuit.
Optionally, the wireless communication earphone further include: second circuit board, the second circuit board include control circuit;
The second circuit board is printed wiring board, and the first circuit board is flexible circuit board;
The control chip pin of the control circuit is connect by antenna shell foot with the antenna circuit of the first circuit board.
Optionally, the antenna circuit includes antenna cabling region and leakage copper region;
Wherein, the antenna shell foot is electrically connected with the leakage copper region, and the leakage copper region is set to first circuit
Plate is close to the position of the second circuit board.
Optionally, the control circuit further include:
Decoupling circuit, the decoupling circuit are used to carry out decoupling to the metallic character device in the wireless communication earphone.
Optionally, the metallic character device is battery;
The battery is fixedly connected with the first circuit board;
The decoupling circuit includes the first decoupling branch and the second decoupling branch, and the first decoupling branch is connected in series in
Between first energization pins of the second circuit board and the anode of the battery, the second decoupling branch is connected in series in institute
It states between the second energization pins of second circuit board and the cathode of the battery.
Optionally, the control circuit further include:
Antenna reserves circuit, and the antenna reserves circuit and is connected in series in the control chip pin and the antenna shell foot
Between, it is impedance-tumed for being carried out to the antenna circuit.
Optionally, the control circuit further includes ground wire and the anti-jamming circuit that is series on the ground wire, described anti-dry
Circuit is disturbed for avoiding interfering with each other for the touch circuit and the antenna circuit.
Optionally, the wireless communication earphone further include: shell, the shell include nearly ear side and with the nearly ear side phase
To the remote ear side of setting;
The first circuit board is set to the remote ear side.
Optionally, the antenna circuit is a mould unipole antenna or mould unipole antenna three times.
Optionally, the antenna circuit is Bluetooth antenna circuit.
By above-mentioned technical proposal, technical solution provided in an embodiment of the present invention is at least had the advantage that
Wireless communication earphone provided in an embodiment of the present invention is by being independently arranged at first for touch circuit and antenna circuit
On circuit board, on the one hand, antenna circuit can be blocked to avoid touch circuit, increase the clearance zone of antenna circuit, on the other hand,
By the integrated antenna module on touch FPC, it is not necessary that antenna circuit board is separately provided and supports the antenna of the antenna circuit board
Bracket blocks antenna circuit to save cost and avoid antenna holder, further increases antenna circuit
Clearance zone.Therefore, the embodiment of the present invention solves in the prior art, and the clearance zone of antenna circuit reduces, the efficiency of antenna circuit
The problem of reduction, has achieved the effect that increase the clearance zone of antenna circuit, has promoted the efficiency of antenna circuit and reduce cost.
Above description is only the general introduction of technical solution of the embodiment of the present invention, in order to better understand the embodiment of the present invention
Technological means, and can be implemented in accordance with the contents of the specification, and in order to allow above and other mesh of the embodiment of the present invention
, feature and advantage can be more clearly understood, the special specific embodiment for lifting the embodiment of the present invention below.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
The limitation of embodiment.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of structural schematic diagram for wirelessly communicating earphone provided in an embodiment of the present invention;
Fig. 2 is the schematic diagram of the section structure of the A-A' along Fig. 1;
Fig. 3 is the circuit diagram that a kind of antenna provided in an embodiment of the present invention reserves circuit;
Fig. 4 is the schematic diagram of the structure of another wireless communication earphone provided in an embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Fig. 1 is a kind of structural schematic diagram for wirelessly communicating earphone provided in an embodiment of the present invention.Referring to Fig. 1, the channel radio
Letter earphone includes first circuit board 10, and first circuit board 10 includes touch circuit and the antenna electric being independently arranged with touch circuit
Road.
Wherein, first circuit board 10 for example can be the integrated antenna module on touch circuit plate, or can be in day
Integrated touch circuit on line circuit board, so that touch circuit and antenna circuit are arranged on first circuit board 10.The present invention is real
Example to be applied to be illustrated by taking the integrated antenna module on touch circuit plate as an example, touch circuit plate for example can be touch FPC,
The region of design antenna circuit is reserved on touch FPC, antenna circuit for example can be Bluetooth antenna circuit or WiFi antenna
Circuit, Bluetooth antenna circuit for example can be unipole antenna (Monopole antenna), loop aerial (Loop antenna) or plane inverse-F
Shape antenna (PIFA antenna) etc..The length of accurate antenna can be determined by emulating, according to antenna cabling length needs,
The region of antenna circuit carries out covering copper cabling on touch FPC.
The embodiment of the present invention is by the way that touch circuit and antenna circuit to be independently arranged on first circuit board 10, on the one hand,
Antenna circuit can be blocked to avoid touch circuit, increase the clearance zone of antenna circuit, on the other hand, by touch FPC
Upper integrated antenna module, it is not necessary that antenna circuit board is separately provided and supports the antenna holder of the antenna circuit board, to save
It cost and avoids antenna holder antenna circuit is blocked, further increase the clearance zone of antenna circuit.Therefore, this hair
The problem of bright embodiment solves in the prior art, and the clearance zone of antenna circuit reduces, the efficiency of antenna circuit reduces, reaches
The clearance zone of antenna circuit is increased, the efficiency of antenna circuit is promoted and reduces the effect of cost.
On the basis of the various embodiments described above, optionally, antenna circuit is Bluetooth antenna circuit.Wherein, Bluetooth antenna electricity
Road for example can be Monopole antenna, Loop antenna or PIFA antenna, Bluetooth communication frequency range in 2400MHz~2500MHz,
Its frequency range is relatively simple, and frequency band is relatively narrow, and therefore, the structure type of Bluetooth antenna circuit is fairly simple, so that touching
Integrated antenna module on circuit board not will increase the complexity of touch circuit plate.
It include a mould, secondary mould and shapes such as mould three times in unipole antenna it should be noted that in the above embodiments
The length of formula, antenna circuit required for different forms is different, can according to need be configured in practical applications.
Optionally, antenna circuit is a mould unipole antenna or mould unipole antenna three times.Wherein, most of antenna circuits
Feeding reserved impedance is 50 Ω, and when impedance is 50 Ω can have been motivated a mould unipole antenna or three times mould unipole antenna,
However secondary mould unipole antenna cannot be motivated.Therefore, antenna circuit uses a mould unipole antenna or three times mould unipole antenna
Its versatility can be promoted.
With continued reference to Fig. 1, on the basis of the various embodiments described above, optionally, earphone is wirelessly communicated further include: second circuit
Plate 20, second circuit board 20 include control circuit.Second circuit board 20 is printed wiring board, and first circuit board 10 is flexible circuit
Plate.The control chip pin of control circuit is connect by antenna shell foot 30 with the antenna circuit of first circuit board 10.
Wherein, second circuit board 20 is the mainboard wirelessly communicated in earphone, is provided with control chip on second circuit board 20
And other peripheral circuit devices, on first circuit board 10 touch circuit and antenna circuit control signal is provided.Wherein,
It is provided with antenna shell foot 30 on two circuit boards 20, in order to the electrical connection of second circuit board 20 and antenna circuit.Due to the first electricity
Road plate 10 is flexible circuit board, first circuit board 10 can be carried out suitably deforming to adapt to the shape requirements of earphone.
With continued reference to Fig. 1, on the basis of the various embodiments described above, optionally, antenna circuit includes antenna cabling region (figure
It is not shown in 1) and leakage copper region 11.
Wherein, the setting of copper cabling is covered in antenna cabling region, and antenna shell foot 30 is electrically connected with leakage copper region 11, leaks copper region
11 are set to first circuit board 10 close to the position of second circuit board 20, and size, which can according to need, to be set, really
The antenna shell foot 30 protected on second circuit board 20 can be steadily contacted with leakage copper region 11, avoid antenna circuit under producing line assembly error
With 30 poor contact of antenna shell foot.
On the basis of the various embodiments described above, optionally, control circuit further include: decoupling circuit, decoupling circuit for pair
The metallic character device wirelessly communicated in earphone carries out decoupling.
Wherein, decoupling circuit can be connected between second circuit board 20 and metallic character device, and decoupling circuit for example may be used
To be the biggish inductance of inductance value, inductance has partial pressure effect, can reduce the electromagnetism of metallic character device reflecting antenna circuit
Energy, so as to reduce influence of the metallic character device to the efficiency of antenna circuit.
Fig. 2 is the schematic diagram of the section structure of the A-A' along Fig. 1.Referring to Fig. 1 and Fig. 2, on the basis of the various embodiments described above,
Optionally, metallic character device is battery 40;Battery 40 is fixedly connected with first circuit board 10;Decoupling circuit includes the first decoupling
Branch and the second decoupling branch, the first energization pins and battery that the first decoupling branch is connected in series in second circuit board 20 are just
Between pole, the second decoupling branch is connected in series between the second energization pins of second circuit board 20 and the cathode of battery 40.
Wherein, battery 40 can be for example fixedly connected by way of the gluing knot that insulate with first circuit board 10.Due to electricity
Pond 40 and the setting position of first circuit board 10 are nearest, therefore nearby biggish metallic character device is mainly first circuit board 10
Battery 40, by decoupling circuit the first decoupling branch and the second decoupling branch be connected in series in the of second circuit board 20 respectively
Between one energization pins and the cathode of battery 40, between the second energization pins and the cathode of battery 40, it is right to can reduce battery 40
The influence of antenna circuit, to promote the efficiency of antenna circuit.
Fig. 3 is the circuit diagram that a kind of antenna provided in an embodiment of the present invention reserves circuit.Referring to Fig. 3, in above-mentioned each implementation
On the basis of example, optionally, control circuit further include: antenna reserves circuit, and antenna reserves circuit and is connected in series in control chip
It is impedance-tumed for being carried out to antenna circuit between pin and antenna shell foot 30.Wherein, antenna, which reserves circuit, for example can be π
Type circuit, includes first and position 211, displacement 212 and second and position 213 in pi-network, displacement welding impedor can be real
The series connection of existing impedor and antenna circuit, first and position 211 or second and position welding impedor may be implemented to hinder
Anti- element and antenna circuit are connected in parallel.Antenna reserves circuit can carry out the adjusting of adaptability according to the impedance of antenna, have
Conducive to the performance for promoting antenna circuit.
On the basis of the various embodiments described above, optionally, control circuit further includes ground wire and is series at anti-dry on ground wire
Disturb circuit, anti-jamming circuit is used to avoiding interfering with each other for touch circuit and antenna circuit.Wherein, anti-jamming circuit for example can be with
It is the biggish inductance of inductance value, inductance has partial pressure effect, and further reducing touch circuit influences the efficiency of antenna circuit.
Fig. 4 is the schematic diagram of the structure of another wireless communication earphone provided in an embodiment of the present invention.Referring to fig. 4, upper
On the basis of stating each embodiment, optionally, wirelessly communicate earphone further include: shell, shell include nearly ear side 51 and with nearly ear side
The 51 remote ear sides being oppositely arranged;First circuit board 10 is set to remote ear side.
Wherein, wireless communication earphone in use, needs to be worn on head, specifically, wirelessly communicates earphone
The housing parts of nearly ear side 51 be typically placed in Er Nei or be affixed on auricle, wirelessly communicate the housing parts of the remote ear side of earphone
It is exposed to outside.Because head is larger to the electromagnetic consumable of antenna circuit, first circuit board 10 is set to remote ear side, is conducive to
Head is avoided to promote the efficiency of antenna circuit to the electromagnetic consumable of antenna circuit.
The above is only embodiments herein, are not intended to limit this application.To those skilled in the art,
Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of the claims of this application.
Claims (10)
1. a kind of wireless communication earphone characterized by comprising first circuit board;
The first circuit board includes touch circuit and the antenna circuit that is independently arranged with the touch circuit.
2. wireless communication earphone according to claim 1, which is characterized in that further include: second circuit board, second electricity
Road plate includes control circuit;
The second circuit board is printed wiring board, and the first circuit board is flexible circuit board;
The control chip pin of the control circuit is connect by antenna shell foot with the antenna circuit of the first circuit board.
3. wireless communication earphone according to claim 2, which is characterized in that the antenna circuit includes antenna cabling region
With leakage copper region;
Wherein, the antenna shell foot is electrically connected with the leakage copper region, and the leakage copper region is set to the first circuit board and leans on
The position of the nearly second circuit board.
4. wireless communication earphone according to claim 2, which is characterized in that the control circuit further include:
Decoupling circuit, the decoupling circuit are used to carry out decoupling to the metallic character device in the wireless communication earphone.
5. wireless communication earphone according to claim 4, which is characterized in that the metallic character device is battery;
The battery is fixedly connected with the first circuit board;
The decoupling circuit includes the first decoupling branch and the second decoupling branch, and the first decoupling branch is connected in series in described
Between first energization pins of second circuit board and the anode of the battery, the second decoupling branch is connected in series in described
Between second energization pins of two circuit boards and the cathode of the battery.
6. wireless communication earphone according to claim 2, which is characterized in that the control circuit further include:
Antenna reserves circuit, the antenna reserve circuit be connected in series in the control chip pin and the antenna shell foot it
Between, it is impedance-tumed for being carried out to the antenna circuit.
7. wireless communication earphone according to claim 2, which is characterized in that the control circuit further includes ground wire and series connection
Anti-jamming circuit on the ground wire, the anti-jamming circuit are used to avoid the phase of the touch circuit and the antenna circuit
Mutually interference.
8. wireless communication earphone according to claim 1-7, which is characterized in that further include: shell, the shell
Including nearly ear side and the remote ear side being oppositely arranged with the nearly ear side;
The first circuit board is set to the remote ear side.
9. wireless communication earphone according to claim 1-7, which is characterized in that the antenna circuit is a mould
Unipole antenna or three times mould unipole antenna.
10. wireless communication earphone according to claim 1-7, which is characterized in that the antenna circuit is bluetooth
Antenna circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811444342.7A CN109547885A (en) | 2018-11-29 | 2018-11-29 | A kind of wireless communication earphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811444342.7A CN109547885A (en) | 2018-11-29 | 2018-11-29 | A kind of wireless communication earphone |
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Publication Number | Publication Date |
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CN109547885A true CN109547885A (en) | 2019-03-29 |
Family
ID=65852144
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CN201811444342.7A Pending CN109547885A (en) | 2018-11-29 | 2018-11-29 | A kind of wireless communication earphone |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11533071B2 (en) | 2020-11-25 | 2022-12-20 | Google Llc | Cross-communication between wireless devices with multiple antennas |
TWI805193B (en) * | 2022-01-18 | 2023-06-11 | 美律實業股份有限公司 | Earphone module |
US11838711B2 (en) | 2019-06-29 | 2023-12-05 | Huawei Technologies Co., Ltd. | Bluetooth earphone |
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CN205584262U (en) * | 2016-02-16 | 2016-09-14 | 上海与德通讯技术有限公司 | Mobile terminal with front camera and large LCD |
CN206452415U (en) * | 2017-01-10 | 2017-08-29 | 广东欧珀移动通信有限公司 | Mobile terminal |
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CN107623881A (en) * | 2016-07-13 | 2018-01-23 | 珠海卓音科技有限公司 | A kind of bluetooth earphone |
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US20150070840A1 (en) * | 2013-09-06 | 2015-03-12 | Apple Inc. | Flexible Printed Circuit Cables With Service Loops and Overbending Prevention |
CN205584262U (en) * | 2016-02-16 | 2016-09-14 | 上海与德通讯技术有限公司 | Mobile terminal with front camera and large LCD |
US20170285776A1 (en) * | 2016-03-29 | 2017-10-05 | Samsung Electronics Co., Ltd. | Touch pad for electronic device |
CN105872887A (en) * | 2016-06-16 | 2016-08-17 | 广州黑格智能科技有限公司 | Wireless headset |
CN107623881A (en) * | 2016-07-13 | 2018-01-23 | 珠海卓音科技有限公司 | A kind of bluetooth earphone |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US11838711B2 (en) | 2019-06-29 | 2023-12-05 | Huawei Technologies Co., Ltd. | Bluetooth earphone |
US11533071B2 (en) | 2020-11-25 | 2022-12-20 | Google Llc | Cross-communication between wireless devices with multiple antennas |
US11936411B2 (en) | 2020-11-25 | 2024-03-19 | Google Llc | Cross-communication between wireless devices with multiple antennas |
TWI805193B (en) * | 2022-01-18 | 2023-06-11 | 美律實業股份有限公司 | Earphone module |
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Application publication date: 20190329 |
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