CN107331953B - A kind of wireless headset using short-tail helical antenna and short circuit L shape radiator - Google Patents
A kind of wireless headset using short-tail helical antenna and short circuit L shape radiator Download PDFInfo
- Publication number
- CN107331953B CN107331953B CN201710610545.8A CN201710610545A CN107331953B CN 107331953 B CN107331953 B CN 107331953B CN 201710610545 A CN201710610545 A CN 201710610545A CN 107331953 B CN107331953 B CN 107331953B
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- China
- Prior art keywords
- short
- circuit
- radiator
- tail helical
- antenna
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Support Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of wireless headsets using short-tail helical antenna and short circuit L shape radiator, it include circuit board, battery, loudspeaker, shell, switch button and antenna system, antenna system includes short-tail helical aerials and short-circuit L-type radiator, and short-circuit L-type radiator is L-type structure；It is equipped with input point on circuit boards, short-tail helical aerials is connected in input point with the structure of spiral, and short-circuit L-type radiator is also connect with input point；Input point connects wireless module by transmission line.The present invention can so form diversity effect by being arranged to the short-tail helical aerials and short-circuit L-type radiator of orthohormbic structure, and diversity effect can be such that the zero point of antenna reduces, so that making the antenna reception ability of wireless headset substantially enhances；Meanwhile the inductive effect of short-circuit L-type radiator and the capacity effect of short-tail helical aerials can form resonance structure, improve the bandwidth of antenna system, to improve the signal receiving performance and acoustic efficiency of earphone.
Description
Technical field
The present invention relates to communication device technical fields, and in particular to a kind of wireless headset.
Background technique
General wireless headset usually only uses the communication between a radio frequency receiver holding earphone and signal source, in order to
Realizing the normal communication between the earplug of left and right, Ying Jinliang makes antenna far from human body, to reduce signal attenuation caused by human body,
However, keeping antenna clearly unpractical far from human body.In order to solve this contradiction, patent of invention CN106331928A is used
Disclosed technical solution can reduce antenna by human body to signal that is, by the way that helical antenna, and complexed metal ground loop is arranged
Attenuation and caused by influence, it is ensured that earphone stability received for signal and reliability.However, this design can not
Realize diversity effect, and diversity effect can be such that the zero point of antenna reduces, so that making the reception ability of wireless headset antenna enhances.By
There is sink effect, when high-frequency signal is to be transmitted to auris dextra direction from left ear direction, head to high-frequency signal in human head
Most signal can be decayed, and current wireless headset technology can not also effectively solve the problems, such as one.
Summary of the invention
The zero point that entire antenna system more rationally, can be made is designed the technical problem to be solved in the present invention is to provide a kind of structure
It will be improved, can avoid influencing earphone to the received stability of signal, signal reception because signal is caused to decay for head
The stronger wireless headset using short-tail helical antenna and short circuit L shape radiator.
In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of application short-tail helical antenna and short circuit
The wireless headset of L shape radiator includes circuit board, battery, loudspeaker, shell, switch button and antenna system, loudspeaker, switch
Button and antenna system connect circuit board respectively, and circuit board connects battery, and loudspeaker and switch button are set on shell, circuit
Plate, battery and antenna system are set in shell, it is characterised in that: the antenna system includes short-tail helical aerials and short
Road L-type radiator, short-circuit L-type radiator are L-type structure；It is equipped with input point on circuit boards, short-tail helical aerials is with spiral
Structure be connected in input point, and short-circuit L-type radiator is also connect with input point；Input point connects wireless mould by transmission line
Block forms high-frequency signal generation mechanism, and short-circuit L-type radiator and transmission line take shape on circuit board, and input point forms high frequency letter
Number enter the tie point of short-tail helical aerials and short circuit L shape radiator.
Further, the short-circuit L-type radiator and short-tail helical aerials constitute orthohormbic structure, are reached by such structure
To diversity effect, when signal is blocked by human body, short-tail helical aerials received signal is in minimum state, at this time by short
L-type radiator realization in road is connect with the communication link of radio-frequency signal source, and under normal circumstances, helical aerials is main connects
Receive component.Due to combined effect, the zero point of entire antenna system be will be improved.
Further, the circuit board is printed circuit board, is fixed on a ground loop reflector and forms printed circuit
The expansion ground structure of plate, to improve antenna efficiency.Ground loop Reflectron technology can consider and examine patent CN106331928A.
Further, the short-circuit L-type radiator is perceptual mechanism, and short-tail helical aerials is condenser type mechanism, is led to
The induction and capacity effect for crossing the two form the resonance structure that antenna system bandwidth can be improved.
Further, the wireless module is connected with matching circuit module, and matching circuit module is connected defeated by transmission line
Access point forms the circuit structure that high-frequency signal can be emitted to antenna system completely；Wireless module and matching circuit module are all set in
On circuit board.
Further, one orthogonal radiation mode opposing open formula of short-circuit L-type radiator formation coplanar with printed circuit board
Radiator structure.
Further, the rear portion of the ground loop reflector is equipped with the battery case of an annular, and battery is fixed on the battery case
In.
Further, the short-tail helical aerials is fixed on a pillar with the structure of spiral, which is fixed on defeated
At access point, so make the fixed structure of short-tail helical aerials more secured.
Further, the shell includes front housing and rear cover, and loudspeaker are set at front housing, and switch control is set to rear cover
On, circuit board, battery and antenna system are placed in front housing by rear cover together.
It is well known that variation of each component because of its physics size, and will affect the frequency and bandwidth of system.Due to improving
The bandwidth of antenna system, the performance of whole system also can be more stable.As described above, short-circuit L-type radiator can be improved and be
The bandwidth of system, while also improving the consistency and stability of whole system.In 2.44GHz, input return loss is an advantage over-
8dB and bandwidth are about 40MHz, and the antenna matches in the figure of history Meath with 50 ohm well.In addition, to obtain optimum reception height
Frequency signal, antenna system have in specific ear field position and apart from 3-4 millimeters of human skin.
The present invention cooperates ground loop by being arranged to the short-tail helical aerials and short-circuit L-type radiator of orthohormbic structure
Reflector improves the contact area of circuit board, can so form diversity effect, and diversity effect can be such that the zero point of antenna reduces,
Substantially enhance to make the antenna of wireless headset receive ability；Meanwhile the inductive effect and short-tail spiral shape of short-circuit L-type radiator
The capacity effect of antenna can form resonance structure, improve the bandwidth of antenna system, thus improve earphone signal receiving performance and
Acoustic efficiency.
Detailed description of the invention
Fig. 1 is schematic diagram of the three-dimensional structure；
Fig. 2 is decomposition chart of the present invention；
Fig. 3 is inside subject structure chart of the present invention；
Fig. 4 is inside subject decomposition chart of the present invention；
Fig. 5 is input point position view of the antenna in ear field.
In figure, 1 is loudspeaker, and 2 be front housing, and 3 be battery, and 4 be ground loop reflector, and 5 be circuit board, and 6 be rear cover, and 7 be to open
Button is closed, 8 be short-tail helical aerials, and 9 be input point, and 10 be short-circuit L-type radiator, and 11 be transmission line, and 12 be wireless module,
13 be matching circuit module, and 14 be battery case.
Specific embodiment
In the present embodiment, referring to Fig.1, Fig. 2, Fig. 3 and Fig. 4, the application short-tail helical antenna and short circuit L shape radiator
Wireless headset, include circuit board 5, battery 3, loudspeaker 1, shell, switch button 7 and antenna system, loudspeaker 1, switch button 7
Connect circuit board 5 respectively with antenna system, circuit board 5 connects battery 3, and loudspeaker 1 and switch button 7 are set on shell, circuit
Plate 5, battery 3 and antenna system are set in shell；The antenna system includes short-tail helical aerials 8 and short-circuit L-type spoke
Emitter 10, short-circuit L-type radiator 10 are L-type structure；Input point 9 is equipped on circuit board 5, short-tail helical aerials 8 is with spiral
Structure be connected in input point 9, and short-circuit L-type radiator 10 is also connect with input point 9；Input point 9 is connected by transmission line 11
It connecing wireless module 12 and forms high-frequency signal generation mechanism, short-circuit L-type radiator 10 takes shape on circuit board 5 with transmission line 11,
Input point 9 forms the tie point that high-frequency signal enters short-tail helical aerials 8 and short circuit L shape radiator 10.
The short circuit L-type radiator 10 constitutes orthohormbic structure with short-tail helical aerials 8, reaches diversity by such structure
Effect, when signal is blocked by human body, 8 received signal of short-tail helical aerials is in minimum state, passes through short-circuit L-type at this time
The realization of radiator 10 is connect with the communication link of radio-frequency signal source, and under normal circumstances, helical aerials is main reception
Component.Due to combined effect, the zero point of entire antenna system be will be improved.
The circuit board 5 is printed circuit board, is fixed on a ground loop reflector 4 and forms the expansion of printed circuit board
Ground structure, to improve antenna efficiency.The particular technique of ground loop reflector 4 can consider and examine patent CN106331928A, i.e., its
Metallic ground ring.
Both the short circuit L-type radiator 10 is perceptual mechanism, and short-tail helical aerials 8 is condenser type mechanism, pass through
Induction and capacity effect formed and the resonance structure of antenna system bandwidth can be improved.
The wireless module 12 is connected with matching circuit module 13, and matching circuit module 13 connects input point by transmission line
9 formation high-frequency signals can be emitted to the circuit structure of antenna system completely；Wireless module 12 and matching circuit module 13 are respectively provided with
In on circuit board 5.
One orthogonal radiation mode opposing open formula radiator knot of the short-circuit formation coplanar with printed circuit board of L-type radiator 10
Structure.
The rear portion of the ground loop reflector 4 is equipped with the battery case 14 of an annular, and battery 3 is fixed in the battery case 14.
The short-tail helical aerials 8 is fixed on a pillar with the structure of spiral, which is fixed at input point 9,
So keep the fixed structure of short-tail helical aerials 8 more secured.
The shell includes front housing 2 and rear cover 6, and loudspeaker 1 are set at front housing 2, and switch control is set on rear cover 6,
Circuit board 5, battery 3 and antenna system are placed in front housing 2 by rear cover 6 together.
Obtain optimum reception high-frequency signal, antenna system have to specific ear field position (as shown in Figure 5) and away from
From 3-4 millimeters of human skin.
The above has been described in detail, described above, is only a preferred embodiment of the present invention, when cannot
It limit the scope of implementation of the present invention, i.e., it is all according to the made equivalent changes and modifications of the application range, it should still belong to covering scope of the present invention
It is interior.
Claims (8)
1. a kind of wireless headset using short-tail helical antenna and short circuit L shape radiator, include circuit board, battery, loudspeaker,
Shell, switch button and antenna system, loudspeaker, switch button and antenna system connect circuit board respectively, and circuit board connects battery,
Loudspeaker and switch button are set on shell, and circuit board, battery and antenna system are set in shell, it is characterised in that: described
Antenna system includes short-tail helical aerials and short-circuit L-type radiator, and short-circuit L-type radiator is L-type structure；On circuit boards
Equipped with input point, short-tail helical aerials is connected in input point with the structure of spiral, and short-circuit L-type radiator also with input point
Connection；Input point connects wireless module by transmission line and forms high-frequency signal generation mechanism, and short-circuit L-type radiator and transmission line are equal
It takes shape on circuit board, input point forms the tie point that high-frequency signal enters short-tail helical aerials and short circuit L shape radiator；
The short circuit L-type radiator and short-tail helical aerials constitute orthohormbic structure, reach diversity effect by such structure, when
When signal is blocked by human body, short-tail helical aerials received signal is in minimum state, real by short-circuit L-type radiator at this time
Now it is connect with the communication link of radio-frequency signal source.
2. the wireless headset according to claim 1 using short-tail helical antenna and short circuit L shape radiator, feature exist
In: the circuit board is printed circuit board, is fixed on a ground loop reflector and forms the expansion ground junction of printed circuit board
Structure.
3. the wireless headset according to claim 1 using short-tail helical antenna and short circuit L shape radiator, feature exist
In: the short circuit L-type radiator is perceptual mechanism, and short-tail helical aerials is condenser type mechanism, by the induction of the two and
Capacity effect forms the resonance structure that antenna system bandwidth can be improved.
4. the wireless headset according to claim 1 using short-tail helical antenna and short circuit L shape radiator, feature exist
In: the wireless module is connected with matching circuit module, and matching circuit module connects input point by transmission line and forms high frequency letter
It number can be emitted to the circuit structure of antenna system completely；Wireless module and matching circuit module are all set on circuit board.
5. the wireless headset according to claim 2 using short-tail helical antenna and short circuit L shape radiator, feature exist
In: one orthogonal radiation mode opposing open formula radiator structure of short-circuit L-type radiator formation coplanar with printed circuit board.
6. the wireless headset according to claim 2 using short-tail helical antenna and short circuit L shape radiator, feature exist
In: the rear portion of the ground loop reflector is equipped with the battery case of an annular, and battery is fixed in the battery case.
7. the wireless headset according to claim 1 using short-tail helical antenna and short circuit L shape radiator, feature exist
In: the short-tail helical aerials is fixed on a pillar with the structure of spiral, which is fixed at input point.
8. the wireless headset according to claim 1 using short-tail helical antenna and short circuit L shape radiator, feature exist
In: the shell includes front housing and rear cover, and loudspeaker are set at front housing, and switch control covers after being set to, and rear cover is by circuit
Plate, battery and antenna system are placed in front housing together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610545.8A CN107331953B (en) | 2017-07-25 | 2017-07-25 | A kind of wireless headset using short-tail helical antenna and short circuit L shape radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610545.8A CN107331953B (en) | 2017-07-25 | 2017-07-25 | A kind of wireless headset using short-tail helical antenna and short circuit L shape radiator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107331953A CN107331953A (en) | 2017-11-07 |
| CN107331953B true CN107331953B (en) | 2019-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710610545.8A Expired - Fee Related CN107331953B (en) | 2017-07-25 | 2017-07-25 | A kind of wireless headset using short-tail helical antenna and short circuit L shape radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107331953B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017219882B3 (en) * | 2017-11-08 | 2019-01-03 | Sivantos Pte. Ltd. | hearing Aid |
| WO2020079911A1 (en) * | 2018-10-15 | 2020-04-23 | ソニーセミコンダクタソリューションズ株式会社 | Antenna device, and earphone |
| TWI773940B (en) * | 2019-11-12 | 2022-08-11 | 美律實業股份有限公司 | Wireless earphone |
| CN112886219B (en) * | 2019-11-30 | 2022-05-10 | 华为技术有限公司 | Wireless earphone |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10315744B4 (en) * | 2003-04-04 | 2007-05-31 | Sennheiser Electronic Gmbh & Co. Kg | Microphone with RF transmitter |
| JP2006041826A (en) * | 2004-07-26 | 2006-02-09 | Matsushita Electric Ind Co Ltd | Mobile telephone set |
| US9024830B2 (en) * | 2010-12-22 | 2015-05-05 | Sharp Kabushiki Kaisha | Eyeglasses-type wireless communications apparatus |
| JP2014022897A (en) * | 2012-07-17 | 2014-02-03 | Nippon Hoso Kyokai <Nhk> | Radio microphone |
| CN104735581A (en) * | 2015-03-19 | 2015-06-24 | 中名(东莞)电子有限公司 | Low-loss wireless stereophonic Bluetooth earphones |
| CN106331928B (en) * | 2016-09-13 | 2019-04-23 | 富士高实业有限公司 | Pure wireless headset with ground return device |
| CN207082628U (en) * | 2017-07-25 | 2018-03-09 | 富士高实业有限公司 | It is a kind of using short-tail helical antenna and the wireless headset of short-circuit L-shaped radiator |
-
2017
- 2017-07-25 CN CN201710610545.8A patent/CN107331953B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
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| CN107331953A (en) | 2017-11-07 |
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Granted publication date: 20191119 Termination date: 20200725 |
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