CN109752945A - A kind of smartwatch tuner - Google Patents
A kind of smartwatch tuner Download PDFInfo
- Publication number
- CN109752945A CN109752945A CN201910121569.6A CN201910121569A CN109752945A CN 109752945 A CN109752945 A CN 109752945A CN 201910121569 A CN201910121569 A CN 201910121569A CN 109752945 A CN109752945 A CN 109752945A
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- Prior art keywords
- metal
- smartwatch
- tuner
- connector
- matching device
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- 239000002184 metal Substances 0.000 claims abstract description 79
- 229910052751 metal Inorganic materials 0.000 claims abstract description 79
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 8
- 239000000523 sample Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000007812 deficiency Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The invention discloses a kind of smartwatch tuners, belong to smartwatch manufacturing technology field field.It include: metal chassis and metal watch axis；Metal chassis is connect with metal watch axis both ends, and metal watch axis is wrapped up by nonmetal medium by metal watchband, and the pcb board in metal chassis is electrically connected by the first matching device and connector with metal chassis.Pass through the electric connection mode of metal watch axis and metal watchband equivalent capacity, realize the service life for extending connector between watchband and table body, and by electrical connection of the metal watch axis to pcb board, the extension on antenna reference ground is realized, to improve the radiation efficiency of antenna.
Description
Technical field
The present invention relates to smartwatch manufacturing technology field, in particular to a kind of smartwatch tuner.
Background technique
With the development of intelligent mobile terminal technology, the performance that mobile terminal is compatible with is enriched constantly.Wearable device is made
For new human-computer interaction entrance, there are good market prospects.With the universal and update of wearable device, it is compatible with
Function is also more and more abundant.Existing wearable product using smartwatch as mainstream, since initial only Bluetooth function to 2G,
3G, 4G the whole network talks about all, data connection function, while the integrated development of the functions such as compatible with GPS, wifi/ bluetooth and NFC.With
This is limited by product appearance simultaneously, the deficiency of Antenna Design area, leads to aerial radiation with particular reference to ground area deficiency
Efficiency decline, it is especially particularly evident to such as 824-960MHz call and the influence of data connection low-frequency range.Academic circles at present
In eigen mode theory, guarantee refers to enough areas and by the excitation to reference ground mode, can be realized the height of antenna
Radiation efficiency, so miniature antenna designs, the size of reference ground product becomes the key of design.
In existing smartwatch design, solving the insufficient scheme of reference ground product mainly has: respective antenna is designed in gold
Belong to watchband or is connect pcb board reference with metal watchband by coaxial line apparatus.Both modes are all to pass through connector device
Set wrist-watch pcb board and metal watchband physical connection, but the disadvantage is that with watchband rotation, connection coaxial line be easy to lose
Product service life is influenced, or the comfort level that user wears the product can be seriously affected by way of fixation table band.
Summary of the invention
The embodiment of the invention provides a kind of smartwatch tuners, to solve current smartwatch due to small volume
Caused by reference ground product deficiency cause antenna radiation efficiency difference and watchband and table body to pass through coaxial line etc. and be directly electrically connected to cause
Connector service life short problem.In order to which some aspects of the embodiment to disclosure have a basic understanding, it is shown below
It is simple to summarize.The summarized section is not extensive overview, nor to determine key/critical component or describe these implementations
The protection scope of example.Its sole purpose is that some concepts are presented with simple form, in this, as the sequence of following detailed description
Speech.
To achieve the above object, the present invention provides a kind of smartwatch tuners, comprising: metal chassis and metal watch
Axis；The metal chassis is connect with metal watch axis both ends, and the metal watch axis is wrapped up by nonmetal medium by metal watchband, institute
The pcb board stated in metal chassis is electrically connected by the first matching device and connector with the metal chassis.
By adopting the above technical scheme, metal watch axis is wrapped up by nonmetal medium by metal watchband, is formed stable equivalent
Capacitor, make it is non-contact between metal watchband and metal shaft be electrically connected, realize to extend between watchband and table body in structure design and connect
Connect the service life of device；Pcb board is electrically connected by the first matching device and connector with metal chassis, with realizing antenna reference
Extension, meanwhile, the metal watchband can be used as antenna branch, to improve the radiation efficiency of antenna.
Preferably, the first matching device is using inductively or capacitively.
Preferably, the first matching device uses variable capacitance.
By adopting the above technical scheme, equivalent capacity pair is formed to tune metal watchband and metal watch axis by matching device
The enhancing of special frequency channel signal.
Further, it is additionally provided with first switch between the first matching device and connector, pcb board passes through described
First matching device connects the non-moving end of the first switch, and the moved end of the first switch connects one end of the connector,
The other end of the connector connects the metal chassis.
By adopting the above technical scheme, matched form is selected by first switch, reduced under manpower wear condition to reference
The influence of ground prolongation or antenna, thus the enhancing under compatible manpower wear condition with performance under free space scene.
Preferably, the connector uses spring probe.
Preferably, the connector uses metal clips.
Preferably, the signal source on the mainboard pcb board is connect by tuning circuit with antenna.
Preferably, the tuning circuit includes second switch and the second matching device, the signal output end of the signal source
The second matching device is connected by the second switch, the second matching device connects the antenna.
Preferably, the second matching device is using inductively or capacitively.
The beneficial effects of the present invention are: the present invention can pass through the side of electrical connection of metal watch axis and metal watchband equivalent capacity
Formula realizes the service life for extending connector between watchband and table body in structure design, and by metal watch axis to pcb board
Electrical connection, realizes the extension on antenna reference ground, to improve the radiation efficiency of antenna.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the invention.
Fig. 2 is that structural schematic diagram is cutd open in the side of wrist-watch metal chassis of the present invention, table axis and watchband.
Fig. 3 is the equivalent circuit diagram of the embodiment of the invention.
Fig. 4 is the reference ground schematic diagram of inventive antenna.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in Figure 1, a kind of smartwatch tuner, comprising: metal chassis 1 and metal watch axis 3；The metal chassis
1 connect conducting with 3 both ends of metal watch axis, and the metal watch axis 3 is wrapped up by nonmetal medium 11 by metal watchband 4, is formed steady
Fixed equivalent capacity, the pcb board 2 in the metal chassis 1 pass through the first matching device 8 and connector 9 and the metal chassis 1
Electrical connection.The connection of metal chassis and metal watch axis is routine techniques, and details are not described herein.
The first matching device 8 is using inductively or capacitively.
In the present embodiment, the first matching device 8 includes first capacitor 81 and the second capacitor 82.In other embodiments,
One matching device can also use variable capacitance.
In the present embodiment, first switch 10, pcb board 2 are additionally provided between the first matching device 8 and connector 9
It is connect by via hole 13 with first capacitor 81 and the second capacitor 82, the first capacitor 81 and the second capacitor 82 are separately connected described
The non-moving end of first switch 10, the moved end of the first switch 10 connect one end of the connector 9, the connector 9 it is another
One end connects the metal chassis 1, and in the present embodiment, first switch 10 uses single-pole double-throw switch (SPDT).
In the present embodiment, the switching of first switch identifies usage scenario by sensor or signal strength detection device, and
Switch preset state is switched in such a way that chip logic exports.
The connector 9 uses spring probe or metal clips.
In the present embodiment, the connector 9 uses spring probe.
Signal source 5 on the mainboard pcb board 2 is connect by tuning circuit 6 with antenna 7.
The tuning circuit 6 includes second switch 12 and the second matching device, the second matching device using capacitor or
Inductance.
In the present embodiment, the second matching device includes third capacitor 131 and the 4th capacitor 132.
The signal output end of the signal source 5 connects the moved end of the second switch 12, the second switch 12 it is motionless
End is separately connected third capacitor 131 and the 4th capacitor 132, and third capacitor 131 and the 4th capacitor 132 connect the antenna 7, this reality
It applies in example, second switch uses single-pole double-throw switch (SPDT).
Metal watchband had both been used as the prolongation on antenna reference ground, has the prolongation as antenna radiator, can be
One metal watchband wraps up a metal watch axis by nonmetal medium interval, be also possible to two metal watchbands pass through respectively it is non-
Wrap up two metal watch axis in metal medium interval.And antenna reference the ground size of prolongation and the size of metal watchband and metal
Nonmetal medium thickness, material are then determined according to the effect formed to antenna special frequency channel between table axis and metal watchband.
As shown in Fig. 2, structural schematic diagram is cutd open in the side for wrist-watch metal chassis, table axis and watchband.Metal watchband 4 wraps up metal
Table axis 3, wherein separated by nonmetal medium 11, in a ring, when metal watchband 4 rotates, metal watchband 4 and metal watch axis 3
Spacing is constant, and equivalent capacity is also constant.
As shown in figure 3, being equivalent circuit diagram, antenna 7 is sequentially connected in series pcb board 2, first switch 10, first matches device 8,
The equivalent capacity 14 and metal watchband 4 that metal chassis 1, metal watchband package metal watch axis are formed.Being formed has tuning with reference to ground
The extension of effect.
As shown in figure 4, for the reference ground schematic diagram of antenna 7, as shown in dash area in figure, successively are as follows: pcb board 2, first
Switch 10, first matches device 8, connector 9, metal chassis 1, metal watch axis 3 and the gold with metal watch axis 3 with equivalent capacity
Belong to watchband 4.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (8)
1. a kind of smartwatch tuner characterized by comprising metal chassis (1) and metal watch axis (3)；The metal
Casing (1) is connect with the both ends of metal watch axis (3), and the metal watch axis (3) is by nonmetal medium (11) by metal watchband (4)
It wraps up, the pcb board (2) in the metal chassis (1) passes through the first matching device (8) and connector (9) and the metal chassis
(1) it is electrically connected.
2. a kind of smartwatch tuner as described in claim 1, which is characterized in that first matching device (8) is adopted
With inductively or capacitively.
3. a kind of smartwatch tuner as claimed in claim 1 or 2, which is characterized in that in the first matching device
(8) it is additionally provided between connector (9) first switch (10), pcb board (2) connects institute by first matching device (8)
The non-moving end of first switch (10) is stated, the moved end of the first switch (10) connects one end of the connector (9), the connection
The other end of device (9) connects the metal chassis (1).
4. a kind of smartwatch tuner as described in claim 1, which is characterized in that the connector (9) uses spring
Formula probe.
5. a kind of smartwatch tuner as described in claim 1, which is characterized in that the connector (9) uses metal
Elastic slice.
6. a kind of smartwatch tuner as described in claim 1, which is characterized in that the letter on the mainboard pcb board (2)
Number source (5) is connect by tuning circuit (6) with antenna (7).
7. a kind of smartwatch tuner as claimed in claim 7, which is characterized in that the tuning circuit (6) includes the
Two switch (12) and second match device, the signal output end of the signal source (5) pass sequentially through the second switch (12) and
Second matching device connects the antenna (7).
8. a kind of smartwatch tuner as claimed in claim 7, which is characterized in that the second matching device is using electricity
Perhaps inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910121569.6A CN109752945A (en) | 2019-02-19 | 2019-02-19 | A kind of smartwatch tuner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910121569.6A CN109752945A (en) | 2019-02-19 | 2019-02-19 | A kind of smartwatch tuner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109752945A true CN109752945A (en) | 2019-05-14 |
Family
ID=66407515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910121569.6A Pending CN109752945A (en) | 2019-02-19 | 2019-02-19 | A kind of smartwatch tuner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109752945A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61181203A (en) * | 1985-02-06 | 1986-08-13 | Kimito Horie | Wrist strap type antenna system |
| US4922260A (en) * | 1989-01-18 | 1990-05-01 | At & E Corporation | Adjustable watchband with embedded antenna |
| DE202015103263U1 (en) * | 2015-06-22 | 2015-09-17 | Google Technology Holdings LLC | Device insulated from an electrically conductive and portable device carrier device with a radiating element |
| JP2015179928A (en) * | 2014-03-19 | 2015-10-08 | カシオ計算機株式会社 | Antenna device and electronic apparatus |
| CN105182731A (en) * | 2015-09-29 | 2015-12-23 | 青岛歌尔声学科技有限公司 | Intelligent watch with metal watchband and method of improving intelligent watch antenna efficiency |
| CN204991953U (en) * | 2015-09-16 | 2016-01-20 | 歌尔声学股份有限公司 | A wearable apparatus |
| CN106707729A (en) * | 2017-01-11 | 2017-05-24 | 广东小天才科技有限公司 | Intelligent watch |
| CN206292549U (en) * | 2016-12-29 | 2017-06-30 | 潍坊歌尔电子有限公司 | Intelligent watch with independent call function |
| CN107546461A (en) * | 2016-06-23 | 2018-01-05 | 华为终端（东莞）有限公司 | The near-field communication aerial and the wearable product of intelligence of a kind of wearable product of intelligence |
| CN108767450A (en) * | 2018-06-25 | 2018-11-06 | 维沃移动通信有限公司 | A kind of antenna system and terminal |
| CN209707917U (en) * | 2019-02-19 | 2019-11-29 | 深圳市和盈互联科技有限公司 | A kind of smartwatch tuner |
-
2019
- 2019-02-19 CN CN201910121569.6A patent/CN109752945A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61181203A (en) * | 1985-02-06 | 1986-08-13 | Kimito Horie | Wrist strap type antenna system |
| US4922260A (en) * | 1989-01-18 | 1990-05-01 | At & E Corporation | Adjustable watchband with embedded antenna |
| JP2015179928A (en) * | 2014-03-19 | 2015-10-08 | カシオ計算機株式会社 | Antenna device and electronic apparatus |
| DE202015103263U1 (en) * | 2015-06-22 | 2015-09-17 | Google Technology Holdings LLC | Device insulated from an electrically conductive and portable device carrier device with a radiating element |
| CN204991953U (en) * | 2015-09-16 | 2016-01-20 | 歌尔声学股份有限公司 | A wearable apparatus |
| CN105182731A (en) * | 2015-09-29 | 2015-12-23 | 青岛歌尔声学科技有限公司 | Intelligent watch with metal watchband and method of improving intelligent watch antenna efficiency |
| CN107546461A (en) * | 2016-06-23 | 2018-01-05 | 华为终端（东莞）有限公司 | The near-field communication aerial and the wearable product of intelligence of a kind of wearable product of intelligence |
| CN206292549U (en) * | 2016-12-29 | 2017-06-30 | 潍坊歌尔电子有限公司 | Intelligent watch with independent call function |
| CN106707729A (en) * | 2017-01-11 | 2017-05-24 | 广东小天才科技有限公司 | Intelligent watch |
| CN108767450A (en) * | 2018-06-25 | 2018-11-06 | 维沃移动通信有限公司 | A kind of antenna system and terminal |
| CN209707917U (en) * | 2019-02-19 | 2019-11-29 | 深圳市和盈互联科技有限公司 | A kind of smartwatch tuner |
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