CN206180087U

CN206180087U - GPS and BT dual -frequency communication's intelligent wrist -watch antenna

Info

Publication number: CN206180087U
Application number: CN201621078345.XU
Authority: CN
Inventors: 孙迪; 万志明; 邹毅; 黄烈云; 熊皓
Original assignee: Zhongtianxun Communication Technology Co Ltd
Current assignee: Shenzhen Zhongtian Xun communication technology Limited by Share Ltd
Priority date: 2016-09-23
Filing date: 2016-09-23
Publication date: 2017-05-17
Anticipated expiration: 2026-09-23

Abstract

The utility model discloses a GPS and BT dual -frequency communication's intelligent wrist -watch antenna, including metal frame and dial plate, the inside from the top down of metal frame has set gradually upper metal closed loop, plastic, lower floor's metab are filled to the intermediate level, and the loop -locked lower surface of upper metal is provided with the PCB board, is equipped with motor and the speaker of being connected with the PCB board between upper metal closed loop, the lower floor's metab, and the lower surface of PCB board still is connected with the battery, and the battery is located between motor and the speaker. The utility model discloses a quantity and position and the matching circuit of adjustment ground point adjust antenna performance, satisfy to wear and can search for the connection in the 15m on hand, and clear, the receiving and dispatching file of conversation does not have the package of losing in the 10m, and the trip can normally be fixed a position, does not lose the star, and the position does not drift about, the security height.

Description

A kind of intelligent watch antenna of GPS and BT dual band communications

Technical field

The utility model is related to communication equipment field, specifically a kind of intelligent watch antenna of GPS and BT dual band communications.

Background technology

Wearable device directly wears, or is incorporated into the clothes of user or a kind of portable set of accessory. Wearable device is more to possess part computing function, can connect mobile phone and the presence of the portable accessory form of each Terminal Type, in order to Give user good experience, what wearable device had needs Bluetooth function to support Wireless Data Transmission, and what is had needs the GPS/ Big Dippeves Etc. being positioned, what is had needs 2G/3G/4G networks for communicating, also need NFC to support to pay etc., this none be not required to Want the support of antenna.

At present on the market intelligent watch, bracelet account for the ratio highest of wearable device, intelligent watch for ensure structural strength with And feel, major part adopts metal outer frame, and as far as possible little and thin, so wrist-watch inside stacking is quite compact, it is substantially empty without antenna Between, even and if be reserved with space, due to the shielding of metal outer frame, antenna efficiency is also certainly bad.At present the best way is profit With metal outer frame come designing antenna.

If metal outer frame can be interrupted, the debugging difficulty of antenna can be substantially reduced, but to select suitable disconnected with reference to ID Point position, while to ensure necessary antenna headroom.

If metal outer frame is closed-loop, only reserved surface and bottom surface Liang Ge regions non-metallic material, then Antenna Design difficulty Larger, there is TP+LCD on surface, and there are sensor, Wireless charging coil etc. in bottom surface, and is close to arm, can only be designed using metal outer frame Antenna, due to the restriction of physical dimension, can only meet the Antenna Design requirement of 2.4GHz or more one-segments substantially.

Utility model content

The purpose of this utility model is to provide a kind of intelligent watch antenna of GPS and BT dual band communications, above-mentioned to solve The problem proposed in background technology.

For achieving the above object, the utility model provides following technical scheme：

A kind of intelligent watch antenna of GPS and BT dual band communications, including metal edge frame and dial plate, in described metal edge frame Portion is disposed with from top to bottom upper strata metal closed loop, intermediate layer filling plastic cement, lower metal base, the upper strata metal closed loop Lower surface be provided with pcb board, be provided with the motor being connected with pcb board between described upper strata metal closed loop, lower metal base And loudspeaker, the lower surface of the pcb board is also associated with battery, and battery is located between motor and loudspeaker；The upper strata gold A distributing point is provided with category closed loop, the distributing point is GPS and BT feed points altogether, and one or many is provided with the metal closed loop of upper strata Individual earth point.

As further program of the utility model：Described upper strata metal closed loop is circular or oval metal closed loop.

As the utility model further scheme：Described upper strata metal closed loop, middle level filling plastic cement, lower metal Base is an entirety.

Compared with prior art, the beneficial effects of the utility model are：

The utility model adjusts antenna performance by adjusting the quantity and position and match circuit of earth point, finally may be used Satisfaction is worn in 15m on hand and can search for being conversed in connection, 10m clear, transmitting-receiving file without packet loss, and trip can be positioned normally, Star is not lost, position does not drift about, safe.

Description of the drawings

Fig. 1 is typical wrist-watch outward appearance top view.

Fig. 2 is typical wrist-watch viewgraph of cross-section.

Fig. 3 is the schematic diagram of the wrist-watch pad of prototype pcb board.

Fig. 4 is the non-source test result of this example wrist-watch antenna free space radiation.

Fig. 5 is the non-source test result of this example wrist-watch aerial band fingerprint radiation.

In figure：1- metal edge frames；2- dial plates；3- upper stratas metal closed loop；Fill plastic cement in 4- middle levels；5- lower metal bases； 6-PCB plates；7- motors；8- loudspeakers；9- batteries.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Fig. 1~2 are referred to, in the utility model embodiment, a kind of intelligent watch antenna of GPS and BT dual band communications, bag Metal edge frame 1 and dial plate 2 are included, upper strata metal closed loop 3, intermediate layer filling modeling is disposed with inside metal edge frame 1 from top to bottom Glue, 4 lower metal bases 5, upper strata metal closed loop 3, middle level filling plastic cement 4, the thickness of lower metal base 5 are all 3mm, the hand Table antenna is using upper strata metal closed loop 3 as major radiator.

The lower surface of upper strata metal closed loop 3 is provided with pcb board 6, is provided between the metal closed loop 3, lower metal base 5 of upper strata The motor 7 being connected with pcb board 6 and loudspeaker 8, the lower surface of pcb board 6 is also associated with battery 9, and battery 9 is located at motor 7 and raises Between sound device 8, pcb board 6 is directly or indirectly fed and is grounded with upper strata metal closed loop 3.It is provided with upper strata metal closed loop 3 One distributing point, the distributing point is GPS and BT altogether feed points, and in upper strata metal closed loop 3 one or more earth points are provided with.

Upper strata metal closed loop 3 is circular or oval metal closed loop.Upper strata metal closed loop 3, middle level filling plastic cement 4, lower floor Metab 5 is an entirety.

After feed position determines, main position and quantity and matching tuning by regulated ground point, to wrist-watch day The performance of line is adjusted, and the position of single distributing point and some earth points on the becket of upper strata is not fixed, can be according to reality Situation is circumferentially moved on the becket of upper strata, to select optimal feed placement and earthing position, the performance being optimal.

In practical operation, the general structural style that upper strata metal closed loop is first determined according to the ID demands of wrist-watch, such as thickness, width Degree, the size of table ear and distribution etc., it is then determined that the position of distributing point, afterwards by the quantity of regulated ground point and position and Match circuit is adjusting the performance of wrist-watch antenna.According to last results of property, it is considered to change feed position or earth point Position and quantity, also can make change to the thickness of upper strata metal closed loop, width, table ear size etc., and above-mentioned factor all can affect Antenna performance.

As shown in figure 3, intercepting circular pcb board, and copper sheet is spread on surface, simulate the pcb board of actual wrist-watch.From simulation Three copper sheets being picked out on pcb board to take on the becket of upper strata, and being welded, wherein a is distributing point, b, c are earth point.It is actually used In with forms such as shell fragments upper strata metal closed loop can be fed and is grounded.After the position of selected a, the position of b, c is adjusted, The position of antenna resonance can be adjusted, with reference to match circuit, preferable antenna performance can be obtained.Such as Fig. 3, by the wavelength of electromagnetic wave Understand that a-b section arc length is shorter, is frequency higher BT (2.4GHz) section with the relation of frequency；A-c section arc length is longer, is frequency Slightly lower GPS (1.575GHz) section.The internal diameter of the diameter no better than metal edge frame of pcb board, i.e. analog PCB plate are simulated in this Almost without gap between metal edge frame, but there can be a few tenths of a mm to arrive when actually used between wrist-watch mainboard and metal edge frame Several millimeters of gap, when the time comes the performance of GPS and BT can than the performance in the example will well on a bit.

By adjusting earthing position and match circuit, Fig. 4 and Fig. 5 shows the different test knots of this example wrist-watch antenna Really.

Seen by non-source test result, this scheme GPS and BT section antenna efficiencies are all preferable, and this day is plus freer after fingerprint Space antenna performance rollback is less, reason be in this scheme as antenna metal frame away from human body.The main field of wearable device Scape is worn on the person, and impact of the human body to antenna performance can not be ignored, and need to be paid close attention to when antenna scheme is chosen and be worn Antenna performance on human body.

It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as restriction Involved claim.

Claims

1. a kind of intelligent watch antenna of GPS and BT dual band communications, including metal edge frame and dial plate, it is characterised in that described Be disposed with from top to bottom inside metal edge frame upper strata metal closed loop, intermediate layer filling plastic cement, lower metal base, it is described on The lower surface of layer metal closed loop is provided with pcb board, is provided with and pcb board between described upper strata metal closed loop, lower metal base The motor and loudspeaker of connection, the lower surface of the pcb board is also associated with battery, and battery is located between motor and loudspeaker； A distributing point is provided with described upper strata metal closed loop, the distributing point is GPS and BT feed points altogether, is set in the metal closed loop of upper strata It is equipped with one or more earth points.

2. the intelligent watch antenna of GPS and BT dual band communications according to claim 1, it is characterised in that described upper strata Metal closed loop is circular or oval metal closed loop.

3. the intelligent watch antenna of GPS and BT dual band communications according to claim 1 and 2, it is characterised in that described is upper Layer metal closed loop, middle level filling plastic cement, lower metal base are an entirety.