CN205282650U - Bluetooth headset's antenna system and bluetooth headset - Google Patents
Bluetooth headset's antenna system and bluetooth headset Download PDFInfo
- Publication number
- CN205282650U CN205282650U CN201521009098.3U CN201521009098U CN205282650U CN 205282650 U CN205282650 U CN 205282650U CN 201521009098 U CN201521009098 U CN 201521009098U CN 205282650 U CN205282650 U CN 205282650U
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- pcb board
- outer frame
- control enclosure
- metal outer
- antenna
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Abstract
The utility model discloses a bluetooth headset's antenna system and bluetooth headset. Among this antenna system, bluetooth headset includes the wire of control box, connection control box and speaker, and the PCB board that contains the bluetooth chip sets up in the control box, and the control box has the metal frame that encircles peripheral setting, the wire is shielded cable, and bluetooth headset's antenna system includes the metal frame of PCB board, control box and shielded cable's shielding layer. The technical scheme of the utility model shielding layer through PCB board, metal frame and shielded cable is partly as antenna system's, has increased the volume of antenna, and also the equivalence has enlarged entire system's ground simultaneously, and is more superior than traditional antenna performance under the same environment, the problem of the metal frame obstruct the antenna signal transmission is solved, and do not increase the earphone volume, make bluetooth headset's appearance design more nimble.
Description
Technical field
The utility model relates to bluetooth earphone technical field, in particular to antenna system and a kind of bluetooth earphone of a kind of bluetooth earphone.
Background technology
Along with popularizing of bluetooth earphone, user is more and more higher to the performance requriements of antenna of Bluetooth headset. Meanwhile, due to market keen competition, bluetooth earphone produces house and reduces the size of earphone one after another and use more metal to improve portability and the aesthetic feeling of bluetooth earphone, attracts clients with this. Space owing to utilizing reduces with metal outer frame to the inhibition of hertzian wave, and the design of antenna becomes more and more difficult.
General bluetooth earphone, PCB containing Bluetooth chip and other pilot circuits, battery and button etc. are all arranged in a very little plastics control enclosure, and loud speaker is wired to plastics control enclosure. Traditional antenna design adopts monopoleIFA (one pole inverse-F antenna) and Loop (ring-type) antenna, owing to the size of pcb board is little, performance of antenna is difficult to improve, simultaneously, as the framework of plastics control enclosure is arranged to metal, the design difficulty of antenna can be bigger.
The antenna of portable blue-tooth equipment should be omni-directional, and the Bluetooth antenna of excellent in design will contribute to realizing this target. Owing to bluetooth band operation wavelength is shorter, the energy waste caused for the obstacle in transmission route or conductor is relatively high, therefore should consider there is wall, the metal shell even existence of the hertzian wave obstacle such as human body, so the gain of Bluetooth antenna can not be too little. In addition from product application angle, antenna is very responsive for grounding metal plane around, ground connection face on circuit card or on circuit card the shielding tinsel of anti-electrostatic all can badly influence antenna radiation characteristics. Therefore, to guarantee that performance characteristics that Bluetooth antenna is good is to improve the transmission quality of blue tooth products further, just above-mentioned factor must be considered in Bluetooth antenna designs.
Practical novel content
In view of prior art owing to bluetooth earphone volume is little, and adopt metal outer frame to cause the problem hindering aerial signal transmission, propose the antenna system of a kind of bluetooth earphone of the present utility model and a kind of bluetooth earphone, to overcome the problems referred to above or to solve the problem at least in part.
According to an aspect of the present utility model, provide the antenna system of a kind of bluetooth earphone, described bluetooth earphone comprises the wire of control enclosure, connection control box and loud speaker, the pcb board comprising Bluetooth chip is arranged in described control enclosure, it is characterized in that, described control enclosure has metal outer frame, and described wire is shielding cable, and the antenna system of described bluetooth earphone comprises described pcb board, the metal outer frame of described control enclosure and the screen layer of described shielding cable; Wherein,
The RF output end of the Bluetooth chip on described pcb board is electrically connected in the metal outer frame of described control enclosure;
Gap between described pcb board and described metal outer frame forms radiating slot;
The ground of described pcb board is electrically connected the metal outer frame of described control enclosure and the screen layer of described shielding cable respectively.
Can selection of land, the tie point on the metal outer frame of described control enclosure and the ground of described pcb board is one or more.
Can selection of land, the position of the tie point on the metal outer frame of described control enclosure and the ground of described pcb board, according to setting antenna resonant frequency debugging determine.
Can selection of land, described shielding cable is arranged on one end or the two ends of described control enclosure.
According to another aspect of the present utility model, propose a kind of bluetooth earphone, comprise the wire of control enclosure, connection control box and loud speaker, the pcb board comprising Bluetooth chip is arranged in described control enclosure, it is characterized in that, described control enclosure has metal outer frame, and described wire is shielding cable, and the antenna system of described bluetooth earphone comprises described pcb board, the metal outer frame of described control enclosure and the screen layer of described shielding cable; Wherein,
The RF output end of the Bluetooth chip on described pcb board is electrically connected in the metal outer frame of described control enclosure;
Gap between described pcb board and described metal outer frame forms radiating slot;
The ground of described pcb board is electrically connected the metal outer frame of described control enclosure and the screen layer of described shielding cable respectively.
Can selection of land, the tie point on the metal outer frame of described control enclosure and the ground of described pcb board is one or more.
Can selection of land, the position of the tie point on the metal outer frame of described control enclosure and the ground of described pcb board, according to setting antenna resonant frequency debugging determine.
Can selection of land, described shielding cable is arranged on one end or the two ends of described control enclosure.
In sum, the technical solution of the utility model is by being designed to the control enclosure with metal outer frame by the control enclosure of plastics, by using the part of the screen layer of pcb board, metal outer frame and shielding cable as antenna system, considerably increase the volume of antenna when not increasing earphone volume, make the appearance design of bluetooth earphone more flexible; And the screen layer utilizing metal outer frame and shielding cable improves the shielding properties of antenna, more superior than traditional antenna performance under equivalent environment, solve the problem that metal outer frame hinders aerial signal transmission.
Accompanying drawing explanation
The antenna system principle schematic of a kind of bluetooth earphone that Fig. 1 provides for the utility model embodiment;
The structural representation of a kind of bluetooth earphone that Fig. 2 provides for the utility model embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is implemented mode and it is described in further detail.
The antenna system configuration schematic diagram of a kind of bluetooth earphone that Fig. 1 provides for the utility model embodiment. As shown in Figure 1, this bluetooth earphone comprises the wire of control enclosure, connection control box and loud speaker, described wire is shielding cable, the pcb board 100 comprising Bluetooth chip is arranged in control enclosure, control enclosure has the metal outer frame 101 that surrounding periphery arranges, and this antenna system comprises the screen layer 102 of PCB (Printedcircuitboard) plate 100, the metal outer frame 101 of control enclosure and the shielding cable of connection control box and loud speaker. Metal outer frame 101 is provided with feeding point 103, for being electrically connected with the RF output end of the Bluetooth chip on pcb board, metal outer frame 101 is provided with touch down point 104, and for being connected with the ground of pcb board 100, the screen layer 102 of shielding cable also ground with pcb board 100 is connected.
Wherein, the touch down point of the present embodiment metal outer frame 101 is touch down point 104 in Fig. 1, it is possible to for one or more, and shown in Fig. 1 is 2.
Traditional antenna usually to be kept the distance with metal outer frame or stretch out metal outer frame in designing, and avoids metal outer frame to shielding electromagnetic waves effect. The utility model is using the part of the screen layer of pcb board, metal outer frame and shielding cable as antenna system, and the gap between pcb board and metal outer frame forms radiating slot, eliminate the signal obstruction problem that bluetooth earphone uses metal outer frame to cause, and considerably increase the volume of antenna, under identical environment than traditional antenna superior performance many, the metal outer frame utilizing earphone intrinsic and the screen layer of shielding cable improve performance of antenna, do not increase earphone volume and eliminate metal frame shielding problem, make the appearance design of bluetooth earphone more flexible.
In an embodiment of the present utility model, the tie point on the metal outer frame of control enclosure and the ground of pcb board is one or more, and the position of the tie point on the ground of the metal outer frame of control enclosure and pcb board is determined according to the antenna resonant frequency debugging of setting.
The resonant frequency of antenna is the most basic demand to antenna, any antenna all resonance in certain frequency, the signal of which frequency to be received, just wish antenna resonance is in which frequency, reach resonance be in order to better with feed net mate. By the position of the metal outer frame of change control enclosure and the tie point on the ground of pcb board, it is possible to regulate antenna resonant frequency, be suitable for the bluetooth earphone of different structure designs.
In the above-described embodiments, shielding cable is arranged on one end or the two ends of control enclosure, and when bluetooth earphone only has a loud speaker, shielding cable is one, is arranged on one end of control enclosure; When bluetooth earphone has 2 loud speakers, shielding cable is 2, is arranged on the two ends of control enclosure.
A kind of bluetooth earphone is embodiments provides at one of the present utility model, as shown in Figure 2, this earphone comprises the wire of control enclosure 200, connection control box 200 and loud speaker (not shown), described wire is shielding cable 201, the pcb board comprising Bluetooth chip is arranged in control enclosure, control enclosure 200 has the metal outer frame 202 that surrounding periphery arranges, and the antenna system of bluetooth earphone comprises pcb board, the metal outer frame of control enclosure and the screen layer of shielding cable; Wherein, the RF output end of the Bluetooth chip on pcb board is electrically connected in the metal outer frame of control enclosure; Gap between pcb board and metal outer frame forms radiating slot; The ground of pcb board is electrically connected the metal outer frame of control enclosure and the screen layer of shielding cable respectively.
In an embodiment of the present utility model, the tie point on the metal outer frame of the control enclosure of this bluetooth earphone and the ground of pcb board is one or more, and the position of the tie point on the ground of the metal outer frame of the control enclosure of this bluetooth earphone and pcb board is determined according to the antenna resonant frequency debugging of setting.
In the above-described embodiments, the shielding cable of this bluetooth earphone is arranged on one end or the two ends of control enclosure.
In sum, the utility model is using the part of the screen layer of the pcb board of bluetooth earphone, metal outer frame and shielding cable as antenna system, eliminate the signal shielding problem that bluetooth earphone uses metal outer frame to cause, considerably increase the volume of antenna, the screen layer of shielding cable is connected with the ground of pcb board, expand the ground connection of system in the face of antenna radiation characteristics when the ground connection not increased on circuit card affects, under identical environment than traditional antenna superior performance many; Utilize the metal outer frame of bluetooth earphone control enclosure and the screen layer of shielding cable to improve performance of antenna, do not increase earphone volume and eliminate metal frame shielding problem, make the appearance design of bluetooth earphone more flexible; Resonant frequency according to setting regulates the touch down point position of metal outer frame, makes the utility model be applicable to the bluetooth earphone of different shapes structure.
The foregoing is only better embodiment of the present utility model, it is not intended to limit protection domain of the present utility model. All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., be all included in protection domain of the present utility model.
Claims (8)
1. the antenna system of a bluetooth earphone, described bluetooth earphone comprises the wire of control enclosure, connection control box and loud speaker, the pcb board comprising Bluetooth chip is arranged in described control enclosure, it is characterized in that, described control enclosure has the metal outer frame that surrounding periphery arranges, described wire is shielding cable, and the antenna system of described bluetooth earphone comprises described pcb board, the metal outer frame of described control enclosure and the screen layer of described shielding cable; Wherein,
The RF output end of the Bluetooth chip on described pcb board is electrically connected in the metal outer frame of described control enclosure;
Gap between described pcb board and described metal outer frame forms radiating slot;
The ground of described pcb board is electrically connected the metal outer frame of described control enclosure and the screen layer of described shielding cable respectively.
2. the antenna system of bluetooth earphone as claimed in claim 1, it is characterised in that, the tie point on the metal outer frame of described control enclosure and the ground of described pcb board is one or more.
3. the antenna system of bluetooth earphone as claimed in claim 2, it is characterised in that, the position of the tie point on the metal outer frame of described control enclosure and the ground of described pcb board, determines according to the debugging of the antenna resonant frequency of setting.
4. the antenna system of bluetooth earphone as described in item as arbitrary in claim 1-3, it is characterised in that, described shielding cable is arranged on one end or the two ends of described control enclosure.
5. a bluetooth earphone, comprise the wire of control enclosure, connection control box and loud speaker, the pcb board comprising Bluetooth chip is arranged in described control enclosure, it is characterized in that, described control enclosure has the metal outer frame that surrounding periphery arranges, described wire is shielding cable, and the antenna system of described bluetooth earphone comprises described pcb board, the metal outer frame of described control enclosure and the screen layer of described shielding cable; Wherein,
The RF output end of the Bluetooth chip on described pcb board is electrically connected in the metal outer frame of described control enclosure;
Gap between described pcb board and described metal outer frame forms radiating slot;
The ground of described pcb board is electrically connected the metal outer frame of described control enclosure and the screen layer of described shielding cable respectively.
6. bluetooth earphone as claimed in claim 5, it is characterised in that, the tie point on the metal outer frame of described control enclosure and the ground of described pcb board is one or more.
7. bluetooth earphone as claimed in claim 6, it is characterised in that, the position of the tie point on the metal outer frame of described control enclosure and the ground of described pcb board, determines according to the debugging of the antenna resonant frequency of setting.
8. bluetooth earphone as described in item as arbitrary in claim 5-7, it is characterised in that, described shielding cable is arranged on one end or the two ends of described control enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521009098.3U CN205282650U (en) | 2015-11-27 | 2015-11-27 | Bluetooth headset's antenna system and bluetooth headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521009098.3U CN205282650U (en) | 2015-11-27 | 2015-11-27 | Bluetooth headset's antenna system and bluetooth headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205282650U true CN205282650U (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521009098.3U Active CN205282650U (en) | 2015-11-27 | 2015-11-27 | Bluetooth headset's antenna system and bluetooth headset |
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| CN (1) | CN205282650U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449358A (en) * | 2015-11-27 | 2016-03-30 | 歌尔声学股份有限公司 | Antenna system for bluetooth headset and bluetooth headset |
| WO2018058945A1 (en) * | 2016-09-27 | 2018-04-05 | 深圳市安特信技术有限公司 | Antenna for in-ear bluetooth headset |
| WO2018205356A1 (en) * | 2017-05-10 | 2018-11-15 | 深圳市冠旭电子股份有限公司 | Bluetooth earphone |
| CN109327753A (en) * | 2017-07-31 | 2019-02-12 | 北京小米移动软件有限公司 | Bluetooth headset |
-
2015
- 2015-11-27 CN CN201521009098.3U patent/CN205282650U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105449358A (en) * | 2015-11-27 | 2016-03-30 | 歌尔声学股份有限公司 | Antenna system for bluetooth headset and bluetooth headset |
| CN105449358B (en) * | 2015-11-27 | 2019-04-02 | 歌尔股份有限公司 | A kind of antenna system of bluetooth headset and a kind of bluetooth headset |
| WO2018058945A1 (en) * | 2016-09-27 | 2018-04-05 | 深圳市安特信技术有限公司 | Antenna for in-ear bluetooth headset |
| WO2018205356A1 (en) * | 2017-05-10 | 2018-11-15 | 深圳市冠旭电子股份有限公司 | Bluetooth earphone |
| CN109327753A (en) * | 2017-07-31 | 2019-02-12 | 北京小米移动软件有限公司 | Bluetooth headset |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20230418 Address after: 233000 85 Shengli Road, bengshan mountain, Bengbu, Anhui Patentee after: Bengbu wild hill network technology Co.,Ltd. Address before: 261031 No. 268 Dongfang Road, hi tech Industrial Development Zone, Shandong, Weifang Patentee before: GOERTEK Inc. |
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| TR01 | Transfer of patent right |