CN204230411U - All-metal wrist-watch antenna - Google Patents
All-metal wrist-watch antenna Download PDFInfo
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- CN204230411U CN204230411U CN201420743300.4U CN201420743300U CN204230411U CN 204230411 U CN204230411 U CN 204230411U CN 201420743300 U CN201420743300 U CN 201420743300U CN 204230411 U CN204230411 U CN 204230411U
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Abstract
The utility model discloses a kind of all-metal wrist-watch antenna, comprise housing, antenna module and screen, described housing is provided with containing cavity, described antenna module is positioned at containing cavity, and described screen is placed on above containing cavity; Described antenna module comprise pcb board, metal framework, feedback point, antenna linking arm, first backflow matching module, second backflow matching module, antenna galianconism and antenna long-armed; Described metal framework is the closed hoop around housing week side, one end connection metal framework of described antenna linking arm, and the other end is connected with to present to put and pass through feedback point and is connected with pcb board; Described first backflow matching module and the second backflow matching module respectively with antenna galianconism and antenna is long-armed is connected, described antenna galianconism and antenna is long-armed is all arranged on metal framework.The utility model structure is simple, antenna takes up room little, and antenna performance is good, and the efficiency of antenna is high.
Description
Technical field
The utility model relates to antenna technical field, particularly relates to a kind of all-metal wrist-watch antenna.
Background technology
Based on GPS (Global Position System, global positioning system) and BT (Blue Tooth)/Wi-Fi intelligent watch along with technology development get more and more.On ID, popular ID that is ultra-thin and metal shell is more vulnerable to and likes.But these metal structures can weaken antenna performance usually, the high-performance therefore reaching antenna for hope is very large challenge.In addition, size and the weight of traditional ceramic paster antenna are all very large, therefore watch device is not suitable for, traditional antenna form is adopted, such as PIFA antenna, monopole antenna, loop antenna etc., but these forms exist shortcoming, if antenna cisco unity malfunction when adding becket or metal framework above antenna.For this reason, be necessary to be further improved above-mentioned wrist-watch antenna.
Utility model content
Technical problem to be solved in the utility model is: provide that a kind of structure is simple, antenna takes up room little, the all-metal wrist-watch antenna that antenna performance is good.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: provide a kind of all-metal wrist-watch antenna, comprise housing, antenna module and screen, described housing is provided with containing cavity, described antenna module is positioned at containing cavity, and described screen is placed on above containing cavity; Described antenna module comprise pcb board, metal framework, feedback point, antenna linking arm, first backflow matching module, second backflow matching module, antenna galianconism and antenna long-armed; Described metal framework is the closed hoop around housing week side, one end connection metal framework of described antenna linking arm, and the other end is connected with to present to put and pass through feedback point and is connected with pcb board; Described first backflow matching module and the second backflow matching module respectively with antenna galianconism and antenna is long-armed is connected, described antenna galianconism and antenna is long-armed is all arranged on metal framework.
Wherein, also comprise feedback Point matching module, one end of described feedback Point matching module is connected with feedback point, and the other end is connected with pcb board.
Wherein, described feedback Point matching module comprises inductance and electric capacity, and described inductance and electric capacity form LC match circuit.
Wherein, the shape of described metal framework is circular or square closed hoop.
Wherein, described antenna module is gps antenna assembly or WIFI antenna module or BT antenna module.
The beneficial effects of the utility model are: be different from prior art Wristwatch case add becket or metal framework time antenna cisco unity malfunction problem, the utility model provides a kind of all-metal wrist-watch antenna, comprise housing, antenna module and screen, described housing is provided with containing cavity, described antenna module is positioned at containing cavity, and described screen is placed on above containing cavity; Described antenna module comprise pcb board, metal framework, feedback point, antenna linking arm, first backflow matching module, second backflow matching module, antenna galianconism and antenna long-armed, and utilize metal framework as radiating principal, during work, signal is put out from feedback, by antenna linking arm to metal framework, and be connected also ground connection by antenna galianconism and the long-armed matching module and second that reflux with first respectively of the antenna matching module that refluxes, preferably antenna requirement can be reached.In addition, this programme structure is simple, and the area occupied of antenna module is little, meets the designing requirement of wrist-watch miniaturization.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model all-metal antenna;
Fig. 2 is the circuit diagram presenting Point matching module in the utility model;
Fig. 3 is the curve chart of the utility model return loss;
Fig. 4 be electric capacity return with the return loss correlation curve figure directly going back to ground;
Fig. 5 is the efficiency chart of the utility model all-metal antenna.
Label declaration:
1, housing; 2, screen; 3, pcb board; 4, metal framework;
51, the first backflow matching module; 52, the second backflow matching module; 61, antenna galianconism;
62, antenna is long-armed; 7, antenna linking arm; 8, Point matching module is presented; 9, point is presented.
Embodiment
By describing technology contents of the present utility model in detail, realized object and effect, accompanying drawing is coordinated to be explained below in conjunction with execution mode.
The design of the utility model most critical is: antenna module is divided into pcb board, metal framework, feedback point, antenna linking arm, first backflow matching module, second backflow matching module, antenna galianconism and antenna long-armed, and utilize metal framework as radiating principal, during work, signal is put out from feedback, by antenna linking arm to metal framework, and be connected also ground connection by antenna galianconism and the long-armed matching module and second that reflux with first respectively of the antenna matching module that refluxes, preferably antenna requirement can be reached.
Please refer to Fig. 1, a kind of all-metal wrist-watch antenna, comprises housing 1, antenna module and screen 2, and described housing 1 is provided with containing cavity, and described antenna module is positioned at containing cavity, and described screen 2 is placed on above containing cavity; Described antenna module comprises pcb board 3, metal framework 4, feedback point 9, antenna linking arm 7, first backflow matching module 51, second backflow matching module 52, antenna galianconism 61 and antenna long-armed 62; Described metal framework 4 is one end connection metal framework 4 of the closed hoop around housing 1 week side, described antenna linking arm 7, and the other end is connected with feedback point 9 and is connected with pcb board 3 by feedback point 9; Described first backflow matching module 51 and the second backflow matching module 52 are connected with antenna galianconism 61 and antenna long-armed 62 respectively, and described antenna galianconism 61 and antenna long-armed 62 are all arranged on metal framework 4.
From foregoing description, the beneficial effects of the utility model are: the utility model provides a kind of all-metal wrist-watch antenna, comprises housing 1, antenna module and screen 2, and described housing 1 is provided with containing cavity, described antenna module is positioned at containing cavity, and described screen 2 is placed on above containing cavity; Described antenna module comprises pcb board 3, metal framework 4, feedback point 9, antenna linking arm 7, first backflow matching module 51, second backflow matching module 52, antenna galianconism 61 and antenna long-armed 62, and utilize metal framework 4 as radiating principal, during work, signal from feedback point 9 out after, by antenna linking arm 7 to metal framework 4, and be connected also ground connection by antenna galianconism 61 and antenna long-armed 62 matching module 51 and second matching module 52 that refluxes that reflux with first respectively, preferably antenna requirement can be reached.In addition, this programme structure is simple, and the area occupied of antenna module is little, meets the designing requirement of wrist-watch miniaturization.
Further, also comprise feedback Point matching module 8, one end of described feedback Point matching module 8 is connected with feedback point, and the other end is connected with pcb board 3.The feedback Point matching module 8 added can improve the efficiency of antenna.
Further, consult Fig. 2, described feedback Point matching module 8 comprises inductance and electric capacity, and described inductance and electric capacity form LC match circuit.Antenna efficiency can be made obviously to increase by feedback Point matching module 8, except above-mentioned simplification circuit, can also be other LC match circuit.
Further, the shape of described metal framework 4 is circular or square closed hoop.The shape of metal framework 4 and the shape of housing 1 adapt, and except above-mentioned shape, can also be polygons or irregularly shaped.
Further, described antenna module is gps antenna assembly or WIFI antenna module or BT antenna module.Using becket as the radiant body of antenna, and when constantly opening becket, supporting that frequency is the gps signal of 1575.42MHz and the WIFI signal of 2.4GHz-2.5GHz or BT signal.
Fig. 3 is the return loss plot figure of this programme test gained, and from data, within GPS resonance to-7.5dB, BT/WIFI antenna below resonance to-11dB, can obtain good impedance matching.Fig. 4 be electric capacity return with the return loss correlation curve figure directly going back to ground, viewed from data, directly return ground resonance have a long way to go with returning relative to electric capacity, can not design requirement be met.Fig. 5 is this programme antenna efficiency curve chart, can meet efficiency and be greater than 70% viewed from data.
In sum, the all-metal wrist-watch antenna that the utility model provides, main employing antenna module is divided into pcb board, metal framework, feedback point, antenna linking arm, first backflow matching module, second backflow matching module, antenna galianconism and antenna long-armed, and utilize metal framework as radiating principal, during work, signal is put out from feedback, by antenna linking arm to metal framework, and be connected also ground connection by antenna galianconism and the long-armed matching module and second that reflux with first respectively of the antenna matching module that refluxes, preferably antenna requirement can be reached.In addition, the utility model structure is simple, antenna performance good, can support gps signal, WIFI signal and BT signal, and the full range efficiency value of antenna is greater than 70%.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalents utilizing the utility model specification and accompanying drawing content to do; or be directly or indirectly used in relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. an all-metal wrist-watch antenna, is characterized in that, comprises housing, antenna module and screen, and described housing is provided with containing cavity, and described antenna module is positioned at containing cavity, and described screen is placed on above containing cavity;
Described antenna module comprise pcb board, metal framework, feedback point, antenna linking arm, first backflow matching module, second backflow matching module, antenna galianconism and antenna long-armed; Described metal framework is the closed hoop around housing week side, one end connection metal framework of described antenna linking arm, and the other end is connected with to present to put and pass through feedback point and is connected with pcb board; Described first backflow matching module and the second backflow matching module respectively with antenna galianconism and antenna is long-armed is connected, described antenna galianconism and antenna is long-armed is all arranged on metal framework.
2. all-metal wrist-watch antenna according to claim 1, is characterized in that, also comprises feedback Point matching module, and one end of described feedback Point matching module is connected with feedback point, and the other end is connected with pcb board.
3. all-metal wrist-watch antenna according to claim 2, is characterized in that, described feedback Point matching module comprises inductance and electric capacity, and described inductance and electric capacity form LC match circuit.
4. all-metal wrist-watch antenna according to claim 1, is characterized in that, the shape of described metal framework is circular or square closed hoop.
5. the all-metal wrist-watch antenna according to any one of claim 1-4, is characterized in that, described antenna module is gps antenna assembly or WIFI antenna module or BT antenna module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420743300.4U CN204230411U (en) | 2014-12-01 | 2014-12-01 | All-metal wrist-watch antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420743300.4U CN204230411U (en) | 2014-12-01 | 2014-12-01 | All-metal wrist-watch antenna |
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| Publication Number | Publication Date |
|---|---|
| CN204230411U true CN204230411U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420743300.4U Active CN204230411U (en) | 2014-12-01 | 2014-12-01 | All-metal wrist-watch antenna |
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| CN (1) | CN204230411U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261834A (en) * | 2015-09-16 | 2016-01-20 | 惠州硕贝德无线科技股份有限公司 | Near-field communication antenna assembly and mobile equipment |
| CN105446127A (en) * | 2015-12-25 | 2016-03-30 | 惠州硕贝德无线科技股份有限公司 | Wearable device with near-field communication function |
| CN106159433A (en) * | 2015-04-03 | 2016-11-23 | 广州光宝移动电子部件有限公司 | Wireless electron Wearable and antenna structure thereof |
| CN106684554A (en) * | 2015-11-11 | 2017-05-17 | 深圳富泰宏精密工业有限公司 | Wearable electronic apparatus |
| CN107317094A (en) * | 2017-06-28 | 2017-11-03 | 南京信息工程大学 | A kind of bracelet antenna and its differential feed method |
-
2014
- 2014-12-01 CN CN201420743300.4U patent/CN204230411U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159433A (en) * | 2015-04-03 | 2016-11-23 | 广州光宝移动电子部件有限公司 | Wireless electron Wearable and antenna structure thereof |
| CN106159433B (en) * | 2015-04-03 | 2019-06-04 | 广州光宝移动电子部件有限公司 | Wireless electron wearable device and its antenna structure |
| CN105261834A (en) * | 2015-09-16 | 2016-01-20 | 惠州硕贝德无线科技股份有限公司 | Near-field communication antenna assembly and mobile equipment |
| CN105261834B (en) * | 2015-09-16 | 2019-02-01 | 惠州硕贝德无线科技股份有限公司 | Near field communication antenna component and mobile device |
| CN106684554A (en) * | 2015-11-11 | 2017-05-17 | 深圳富泰宏精密工业有限公司 | Wearable electronic apparatus |
| CN106684554B (en) * | 2015-11-11 | 2021-12-07 | 深圳富泰宏精密工业有限公司 | Wearable electronic device |
| CN105446127A (en) * | 2015-12-25 | 2016-03-30 | 惠州硕贝德无线科技股份有限公司 | Wearable device with near-field communication function |
| CN105446127B (en) * | 2015-12-25 | 2018-11-13 | 惠州硕贝德无线科技股份有限公司 | Wearable device with near-field communication |
| CN107317094A (en) * | 2017-06-28 | 2017-11-03 | 南京信息工程大学 | A kind of bracelet antenna and its differential feed method |
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| C14 | Grant of patent or utility model | ||
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