阅读说明：本技术 可穿戴设备的天线和可穿戴设备 (antenna of wearable device and wearable device ) 是由 陈献伟 孙劲 何其娟 杨淑侠 于 2019-08-30 设计创作，主要内容包括：本发明公开了一种可穿戴设备的天线和可穿戴设备,包括天线本体、设备主板、设备可利用金属部分和螺钉；设备主板包括可供使用的天线地部分；设备可利用金属部分为可穿戴设备包含金属设计的部分；螺钉用于固定设备可利用金属部分与设备主板的天线地部分,以使得设备可利用金属部分扩展为天线主体的地；且在设备可利用金属部分与天线地部分之间保留有设定间距；设定间距不同,延长地的阻抗不同,从而使得二者之间的容感抗值也不同,对天线主体的性能影响也不同,故实际应用中,根据提升天线主体性能所需的容感抗值来确定该设定距离,起到提升天线主体性能的效果。(The invention discloses an antenna of wearable equipment and the wearable equipment, which comprises an antenna body, an equipment mainboard, an equipment available metal part and a screw, wherein the antenna body is provided with a first antenna body and a second antenna body; the equipment mainboard comprises an antenna part which can be used; the device may utilize the metal portion to include a metal designed portion for the wearable device; the screw is used for fixing the usable metal part of the equipment and the antenna part of the equipment main board, so that the usable metal part of the equipment is expanded into the ground of the antenna main body; a set distance is reserved between the usable metal part of the equipment and the antenna part; the set distance is different, and the impedance of the extension ground is different, so that the capacitance inductance value between the two is different, and the performance influence on the antenna main body is different, therefore, in practical application, the set distance is determined according to the capacitance inductance value required by improving the performance of the antenna main body, and the effect of improving the performance of the antenna main body is achieved.)

1. An antenna of a wearable device, comprising:

An antenna body;

a device motherboard including an antenna ground portion available for use;

It is characterized by also comprising:

The device may utilize a metal portion, including a portion of the metal design for the wearable device;

a screw for fixing the device usable metal part and the antenna ground part of the device main board so that the device usable metal part is expanded to the ground of the antenna main body; and a set distance is reserved between the available metal part of the equipment and the antenna part;

Wherein the set distance is determined by the capacitive reactance matched to improve the performance of the antenna body.

2. The wearable device antenna of claim 1, wherein the device-utilizable metal portion is a metal portion of a battery shield, a metal housing, or a display screen of the wearable device.

3. the wearable device antenna of claim 1, wherein the device is fixable with a metal portion relatively parallel to an antenna ground portion of the device motherboard.

4. the antenna of the wearable device of claim 1, wherein a motherboard shield is mounted on the device motherboard between the device motherboard and the device usable metal portion, such that the motherboard shield is connected with the antenna ground portion of the device motherboard to extend to the ground of the antenna body.

5. A wearable device, characterized by comprising an antenna of the wearable device of any of claims 1-4; the wearable device comprises a wearable device main body and a wearing body for wearing the wearable device main body.

6. The wearable device according to claim 5, wherein the antenna body is mounted on a periphery of the wearable device body or the wearing body.

7. The wearable device according to claim 5, wherein the wearable body is a wrist band or a neck band; the antenna body is mounted on the surface of the wrist band or the neck band.

Technical Field

the invention belongs to the technical field of communication, and particularly relates to an antenna of wearable equipment and the wearable equipment.

Background

wearable products such as intelligent wrist-watch, intelligent bracelet are practical in function, small in size, convenient to carry, are liked by more and more users, and simultaneously, the requirement to the function of product also constantly increases.

The antenna is one of key parts in the design of wearable product, in order to compromise the continuation of the journey, the size of battery needs to increase, but will compromise portable and pleasing to the eye, requires that wearable product small in size, and the space of leaving for the antenna design is very limited like this.

The good or bad of antenna performance influences the stability that wearable product connects, if antenna performance is not good, can lead to GPS or BT to connect stability and reduce, can appear disconnected phenomenon when serious.

Disclosure of Invention

The invention aims to provide an antenna of wearable equipment and the wearable equipment, wherein a mainboard ground is connected with an available metal part of the equipment through a screw to expand the grounding of the antenna, the distance between the mainboard ground and the available metal part of the equipment is realized through the adjustment of the height of the screw, the adjustment of a capacitive reactance value of the antenna ground is realized, and the antenna performance of the wearable equipment is improved.

In order to solve the technical problems, the invention adopts the following technical scheme:

An antenna of a wearable device is proposed, comprising: an antenna body; a device motherboard including an antenna ground portion available for use; further comprising: the device may utilize a metal portion, including a portion of the metal design for the wearable device; a screw for fixing the device usable metal part and the antenna ground part of the device main board so that the device usable metal part is expanded to the ground of the antenna main body; and a set distance is reserved between the available metal part of the equipment and the antenna part; wherein the set distance is determined by the capacitive reactance matched to improve the performance of the antenna body.

Further, the device may utilize a metal portion as a battery shield, a metal housing, or a metal portion of a display screen of the wearable device.

Further, the device may be fixed in a relatively parallel relationship with the antenna ground portion of the device motherboard using a metal portion.

furthermore, a main board shielding case is installed on the equipment main board between the equipment main board and the available metal part of the equipment, so that the main board shielding case is connected with the antenna ground part of the equipment main board and is expanded to the ground of the antenna main body.

A wearable device is proposed, comprising an antenna of the wearable device as described above, the wearable device comprising a wearable device body and a wearing body for wearing the wearable device body.

Further, the antenna body is mounted on the periphery of the wearable device body or the wearing body.

Further, the wearing body is a wrist strap or a neck strap; the antenna body is mounted on the surface of the wrist band or the neck band.

Compared with the prior art, the invention has the advantages and positive effects that: in the antenna of the wearable device and the wearable device provided by the invention, the antenna ground part of the device main board and the available metal part of the device are fixedly connected by the screws, the ground area of the antenna main body is expanded by the available metal part of the device, and when the antenna is fixed by the screws, a set distance is kept between the available metal part of the device and the antenna ground part of the device main board, the set distance is different, and the impedance of the extension ground is different, so that the integral capacitive reactance value of the antenna is different, and the performance of the antenna main body is also different.

Other features and advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention when taken in conjunction with the accompanying drawings.

Drawings

Fig. 1 is a schematic diagram of an embodiment of an antenna of a wearable device according to the present invention;

Fig. 2 is a structural diagram of an embodiment of an antenna of a wearable device according to the present invention;

FIG. 3 is a Smith chart and parameters of the whole machine S without the designed set distance D in the embodiment shown in FIG. 2;

FIG. 4 is a graph of overall machine S parameters and Smith for the embodiment of FIG. 2;

FIG. 5 is a graph comparing the embodiment of FIG. 2 with an antenna efficiency without a design set distance D;

Fig. 6 is a second structural diagram of an embodiment of an antenna of a wearable device according to the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

The antenna of the wearable device provided by the invention, as shown in fig. 1, comprises an antenna body 100, a device main board 200, a device available metal part 300 and a screw 400; the device main board 200 includes an antenna portion 201 applicable to an antenna main body; the device may utilize metal portion 300 to include metal designed portions of the wearable device, such as a battery shield, a motherboard shield, a metal housing, or a display screen metal portion, etc.

A screw 400, as shown in fig. 1, for fixing the device-usable metal part 300 and the antenna ground part 201 of the device main board 200, so that the device-usable metal part 300 is expanded to the ground of the antenna main body 100; also, in the present invention, a set distance D remains between the device-usable metal portion 300 and the antenna ground portion 201.

The set distance D is different, the impedance of the extension ground formed by the usable metal part 300 of the device and the antenna ground part 201 of the device main board 200 is different, the capacitive reactance generated by the whole antenna is also different, and the influence on the performance of the antenna is different; therefore, in practical design applications, the set distance D is determined by the value of capacitive reactance that improves the performance of the antenna body, so as to achieve the purpose of improving the performance of the antenna body.

The antenna of the wearable device proposed by the present invention is described in detail below with two specific embodiments of the wearable device.