The antenna and Wearable of a kind of Wearable
Technical field
The utility model is related to antenna technical field, more particularly to a kind of Wearable antenna and Wearable.
Background technology
GPS, WIFI, the effect of Bluetooth antenna are the electromagnetic wave energy conversion for the radio signal for emitting source device
The electric current of application can be absorbed into receiver electronic device, the size and shape of antenna is particularly significant, because these features are determined
The performance of antenna.With GPS civil nature, the popularization of WIFI LANs, the development of a pair of multi-connection technologies of bluetooth, and chip
Manufacture craft progress, volume-diminished, power consumption it is more and more lower, GPS, WIFI are in navigation system and bluetooth is in Wearable side
The application in face is developed rapidly.
Current Wearable common configuration GPS module, bluetooth module and WiFi module, on device interior PCB
Integrated built-in reception antenna.Because the wavelength of GPS, WIFI, the communication band of bluetooth is shorter and belong to microwave, by complete machine structure
Industrial design and space limitation, smaller and GPS the sensitivity that built-in reception antenna is typically done is very high, when equipment connects
When receiving other longer wavelengths of wave bands, when such as bluetooth, WIFI, mobile communication signal, it is sensitive that these signal intensities are far longer than GPS
Degree, then can cause gps signal reception poor or even not receive gps signal.Secondly, high-grade Wearable is most
Using the metal shell for having very much texture, and metal shell can shield, disturb electromagnetic signal, therefore, much with metal shell
Wearable is difficult to complete, using built-in paster antenna, high medium ceramic Antenna Design, to be now arranged on Anneta module
Outside electronic watch, perfect this difficult point can be solved.
Utility model content
The purpose of this utility model is the antenna and Wearable for proposing a kind of Wearable, can volume compared with
External antenna is set in small Wearable.
For up to this purpose, the utility model uses following technical scheme:
On the one hand, the utility model provides a kind of antenna of Wearable, including:Metal edge frame without breakpoint;
The metal edge frame is used for the outside for being arranged on the Wearable;
Antenna feed point and antenna feed place are provided with the metal edge frame;
The antenna modules of the antenna feed point and the antenna feed place respectively with being set on the mainboard of Wearable
Electric feed signal shell fragment and earth signal shell fragment connection.
Further, the antenna also includes:Radiation sheet metal;
The radiation sheet metal is electrically connected or coupled with the metal edge frame, for changing for antenna increase inductance
Resonant frequency point.
Wherein, the radiation sheet metal includes the first radiation sheet metal, and the antenna modules include gps antenna module, institute
Stating antenna feed point includes gps antenna distributing point, and the antenna feed place includes gps antenna and presents place;
The distance of first radiation sheet metal and the gps antenna distributing point is the 1/2 of gps signal wavelength, for connecing
Receive or transmitting gps signal.
Wherein, the radiation sheet metal includes the second radiation sheet metal, and the antenna modules include Bluetooth antenna module, institute
Stating antenna feed point includes Bluetooth antenna distributing point, and the antenna feed place includes Bluetooth antenna and presents place;
The distance of second radiation sheet metal and the Bluetooth antenna distributing point is the 1/4 of Bluetooth signal wavelength, is used for
Receive or transmitting Bluetooth signal and WiFi signal.
Further, the metal edge frame surface, the position in addition to the antenna feed point and the antenna feed place
It is covered with stop-off lacquer layer;
The metal edge frame is round rectangle, ellipse, circle;
The medial surface of the metal edge frame is provided with the groove for installing display screen.
Wherein, the radiation sheet metal is copper sheet.
On the other hand, the utility model provides a kind of Wearable, including bottom, mainboard, and the mainboard is placed in described
In the accommodation space of bottom, in addition to:At least one above-mentioned antenna, and be arranged on the mainboard and the antenna pair
The antenna modules that should be connected;
The metal edge frame is arranged on the outside of the Wearable, is insulated with the bottom.
Further, the mainboard be connected with conductive cloth into ground plane, the echo impedance for reducing the antenna.
Further, the radiation sheet metal includes the first radiation sheet metal, and the antenna modules include gps antenna mould
Group, the antenna feed point includes gps antenna distributing point, and the antenna feed place includes gps antenna and presents place;
The distance of first radiation sheet metal and the gps antenna distributing point is the 1/2 of gps signal wavelength, for connecing
Receive or transmitting gps signal;
The radiation sheet metal also includes the second radiation sheet metal, and the antenna modules include Bluetooth antenna module, described
Antenna feed point includes Bluetooth antenna distributing point, and the antenna feed place includes Bluetooth antenna and presents place;
The distance of second radiation sheet metal and the Bluetooth antenna distributing point is the 1/4 of Bluetooth signal wavelength, is used for
Receive or transmitting Bluetooth signal and WiFi signal;
First radiation sheet metal is arranged on the diverse location on the metal edge frame with second radiation sheet metal.
Wherein, the metal edge frame is the center or surface frame of the Wearable.
The beneficial effects of the utility model are:
The utility model sets metal edge frame outside Wearable, using the metal edge frame as antenna radiant body,
It is connected with the antenna modules on Wearable mainboard, when Wearable uses metal shell, antenna receiving and transmitting signal will not
It is disturbed or shields, and the radiant body of antenna is arranged on the outside of Wearable, can effectively reduces accommodating to equipment
The occupancy in space, further, can reduce the volume of equipment, or the space saved is used as into other purposes.
Brief description of the drawings
Fig. 1 is the structural representation of the antenna for the first Wearable that the utility model embodiment one is provided;
Fig. 2 is the structural representation of the antenna for second of Wearable that the utility model embodiment one is provided;
Fig. 3 is the structural representation of the antenna for the third Wearable that the utility model embodiment one is provided;
Fig. 4 is the standing wave pattern that the first antenna GPS frequency range is debugged in the utility model embodiment one;
Fig. 5 is the standing wave pattern that the first antenna Bluetooth band is debugged in the utility model embodiment one;
Fig. 6 is the standing wave pattern that second of antenna GPS frequency range is debugged in the utility model embodiment one;
Fig. 7 is the standing wave pattern that the third antenna GPS frequency range is debugged in the utility model embodiment one;
Fig. 8 is the structural representation for the Wearable that the utility model embodiment two is provided.
In figure:1st, metal edge frame;11st, groove;2nd, radiation sheet metal;21st, the first radiation sheet metal;22nd, the second radiation gold
Belong to piece;3rd, antenna feed point;4th, antenna feed place;51st, GPS electric feed signals shell fragment;52nd, bluetooth electric feed signal shell fragment;61、GPS
Earth signal shell fragment;62nd, bluetooth earth signal shell fragment;7th, ground plane;8th, mainboard, 9, bottom;10th, display screen.
Embodiment
To make the utility model technical problem solved, the technical scheme used and the technique effect reached clearer,
The technical scheme of the utility model embodiment is described in further detail below in conjunction with accompanying drawing, it is clear that described reality
It is only a part of embodiment of the utility model to apply example, rather than whole embodiments.
Embodiment one
The present embodiment provides the antenna of Wearable, it is adaptable to which antenna is placed in the situation of device external.
Fig. 1 is the structural representation of the antenna for the first Wearable that the utility model embodiment one is provided, such as Fig. 1
It is shown, the first antenna, including:Metal edge frame 1 without breakpoint.
The metal edge frame 1 is arranged on the outside of the Wearable, is used as the radiant body of antenna.
Antenna feed point 3 and antenna feed place 4, the antenna feed point 3 and the day are provided with the metal edge frame 1
Line feedback place 4 connects with the electric feed signal shell fragments of antenna modules and earth signal shell fragment that are set on the mainboard of Wearable respectively
Connect.
Antenna modules are used for the processing of signal, with the supporting setting of antenna.Position of the antenna modules on mainboard is according to product
Design determine, it is necessary to consider the placement of other components;Corresponding to the electric feed signal shell fragment and earth signal of antenna modules
Shell fragment, sets antenna feed point 3 and antenna feed place 4 on metal edge frame 1.
Fig. 2 is the structural representation of the antenna for second of Wearable that the utility model embodiment one is provided, described
Antenna also includes:Radiation sheet metal 2.As shown in Fig. 2 the radiation sheet metal 2 is electrically connected or coupled with the metal edge frame 1,
For changing resonant frequency point for antenna increase inductance.Load(ing) point is set in the suitable position of antenna, increases inductance, its
Induction reactance can offset all or part of capacitive reactance that the position above antenna oscillator is presented, so as to increase the day below load(ing) point
The electric current of line, that is, improve the effective depth of antenna.
The radiation sheet metal 2 includes the first radiation sheet metal 21, accordingly, and the antenna modules include gps antenna mould
Group, the antenna feed point includes gps antenna distributing point 31, and the antenna feed place includes gps antenna and presents place 41;Described
The distance of one radiation sheet metal 21 and the gps antenna distributing point 31 is the 1/2 of gps signal wavelength, for receiving or launching GPS
Signal.
The radiation sheet metal includes the second radiation sheet metal 22, accordingly, and the antenna modules include Bluetooth antenna mould
Group, the antenna feed point includes Bluetooth antenna distributing point 32, and the antenna feed place includes Bluetooth antenna and presents place 42;It is described
The distance of second radiation sheet metal 22 and the Bluetooth antenna distributing point 32 is the 1/4 of Bluetooth signal wavelength, due to Bluetooth signal
Approached with the frequency range of WiFi signal, available for receiving or launch Bluetooth signal and WiFi signal.
When Wearable is provided simultaneously with gps antenna and Bluetooth antenna, if simply setting the first radiation sheet metal 21, and
The second radiation sheet metal 22 is not provided with, bluetooth resonance frequency shift just occurs, the actual connection distance of bluetooth is influenceed.
As a preferred embodiment, the surface of the metal edge frame 1, except the antenna feed point and the antenna
Position beyond feedback place is covered with stop-off lacquer layer, and stop-off lacquer layer has the functions such as waterproof, anticorrosion and/or anti-fingerprint.The metal edges
Frame 1 is round rectangle, ellipse, circle, polygon etc., can be selected according to product design demand.The inner side of the metal edge frame 1
Face is provided with the groove for installing display screen.
The accommodation space of the shape and area of the radiation sheet metal 2 increased inductance value as needed and Wearable
Selection, its material can be copper sheet or other metals.
Fig. 3 is the structural representation of the antenna for the third Wearable that the utility model embodiment one is provided, such as Fig. 3
Shown, shape and area to radiation sheet metal 2 are adjusted, and make its transmitting-receiving effect to signal closer to production and using needing
Ask.
Fig. 4-Fig. 7 is the standing wave pattern of three kinds of antennas of debugging in the present embodiment, it can be seen that metal edge frame is as outer
The antenna radiator put is feasible, after increase radiation sheet metal, antenna and matching effect of the impedance for 50 ohm of transmission line
Improve, by adjusting the shapes and sizes of radiation sheet metal, the return loss of antenna can be adjusted to optimal.
Table 1 is the test comparison data of above-mentioned three kinds of antennas and LDS antennas.As shown in table 1, the wearing that the present embodiment is provided
The antenna of formula equipment can reach the effect same with built-in aerial after debugging, it is advantageous that can reduce to Wearable
The occupancy of the accommodation space of equipment, and equipment does not interfere with the laser propagation effect of signal using metal shell yet.
Antenna classification |
GPS intensity (C/N values) |
Bluetooth intensity (distance) |
LDS antennas |
42-43dB |
Outdoor spaciousness environment is more than 45m |
The first antenna |
30-31dB |
Outdoor spaciousness environment is more than 45m |
Second of antenna |
36-37dB |
Outdoor spaciousness environment is more than 45m |
The third antenna |
41-42dB |
Outdoor spaciousness environment is more than 45m |
Table 1
The present embodiment sets metal edge frame outside Wearable, using the metal edge frame as antenna radiant body, with
Antenna modules connection on Wearable mainboard, when Wearable uses metal shell, antenna receiving and transmitting signal will not be by
Interference is shielded, and the radiant body of antenna is arranged on into the outside of Wearable, can effectively be reduced to the accommodating sky of equipment
Between occupancy, further, the volume of equipment can be reduced, or the space saved is used as other purposes.
Embodiment two
The present embodiment provides a kind of Wearable.Fig. 8 is the structural representation for the Wearable that the present embodiment is provided.
As shown in figure 8, the Wearable includes display screen 10, bottom 9, mainboard 8, the mainboard 8 is placed in the accommodating sky of the bottom 9
In, in addition to:Antenna described at least one above-described embodiment, and be arranged on the mainboard 8, it is corresponding with the antenna
The antenna modules of connection.Antenna modules include gps antenna module and Bluetooth antenna module, and each antenna modules possess feedback respectively
Electric signal shell fragment and earth signal shell fragment, for the antenna feed point with metal edge frame and antenna feed place it is corresponding connection, gps antenna
Module includes GPS electric feed signals shell fragment 51 and GPS earth signals shell fragment 61, and Bluetooth antenna module includes bluetooth electric feed signal shell fragment 52
With bluetooth earth signal shell fragment 62.
The metal edge frame 1 is arranged on the outside of the Wearable, is insulated with the bottom 9.
The medial surface of the metal edge frame 1 is provided with the groove 11 for installing display screen 10.
Further, the mainboard 8 be connected with conductive cloth into ground plane 7, for reduce the antenna echo hinder
It is anti-.The area of ground plane 7 is bigger, and resonant frequency is lower, and earthing effect is also better, therefore return loss also can be smaller.
Further, the radiation sheet metal includes the first radiation sheet metal 21 and the second radiation sheet metal 22, the day
Line module includes gps antenna module and Bluetooth antenna module, and the antenna feed point includes gps antenna distributing point and Bluetooth antenna
Distributing point, the antenna feed place includes gps antenna and presents place and Bluetooth antenna feedback place, i.e., described Wearable has simultaneously
Standby GPS module and bluetooth module, WiFi module.The distance of first radiation sheet metal 21 and the gps antenna distributing point is
The 1/2 of gps signal wavelength, for receiving or launching gps signal;Second radiation sheet metal 22 is fed with the Bluetooth antenna
The distance of point is the 1/4 of Bluetooth signal wavelength, because Bluetooth signal frequency range and WiFi signal frequency range are approached, available for receiving or send out
Penetrate Bluetooth signal and WiFi signal.
When the Wearable is provided simultaneously with GPS module and bluetooth module, WiFi module, according to the design need of product
Ask, the identical bits that first radiation sheet metal 21 may be provided on the metal edge frame 1 with second radiation sheet metal 22
Put, i.e., the two is overlapped, be gps antenna and Bluetooth antenna loading simultaneously only with a piece of radiation sheet metal.
Wherein, the metal edge frame 1 is the center or surface frame of the Wearable.In the present embodiment, metal edge frame 1 is
The surface frame of Wearable.
If the shell of Wearable is full metal jacket, insulating barrier should be set between metal edge frame and drain pan 9, kept away
Exempting from a day linear contact lay human body skin causes signal to be absorbed by the body, and influences the transmission of antenna.
The present embodiment is that Wearable is provided with external antenna, can use the shell of metal, and reduce
Antenna can further reduce equipment volume, or the space saved is used as other to the occupancy of equipment accommodation space
On the way.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to the utility model protection domain can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within protection domain of the present utility model.