CN219475937U - Intelligent glasses with U-shaped antenna - Google Patents

Abstract

The utility model discloses intelligent glasses with a U-shaped antenna, which comprise glasses legs, wherein a cavity is arranged in each glasses leg, a U-shaped antenna is arranged in each cavity, a first radiation part and a second radiation part in the antenna jointly form one side of the U-shaped antenna, and a third radiation part forms the other side of the U-shaped antenna; the first radiation portion at the start end includes: the first radiation arm is connected with the first feed point region and the signal feed point region, wherein the ground feed point region and the signal feed point region are respectively and electrically connected with an electrode part; the second radiation part includes: a back-slot radiating arm and a second radiating arm; the third radiation part includes: the main body is an L-shaped third radiation arm, and the antenna utilizes the loop radiation arm, a plurality of open branches and a plurality of slotting fusion technologies, so that the antenna efficiency of the intelligent glasses is improved, and the problem of dead angles of the antenna is solved.

Description

Intelligent glasses with U-shaped antenna

Technical field:

the utility model relates to the technical field of earphone products, in particular to intelligent glasses with U-shaped antennas.

The background technology is as follows:

along with the development of intelligent wearing equipment, various novel electronic products are continuously developed, and the audio intelligent glasses are one of the electronic products. The intelligent glasses are combined with the glasses, so that functions of the glasses are reserved, and functions of audio receiving, conversation and the like of the conventional earphone are realized.

In order to realize signal transmission, an antenna capable of realizing RF (electromagnetic signal) transmission needs to be arranged in a circuit of the intelligent glasses. At present, the intelligent glasses generally adopt 2.4GHz wireless communication, which is a short-distance wireless transmission technology, wherein the 2.4GHz is a working frequency band, and the working in the frequency band can obtain a larger application range and stronger anti-interference capability. In order to realize wireless transmission of bluetooth signals, the smart glasses need to be provided with a bluetooth antenna for signal transmission.

With the continuous development of technology, requirements for bluetooth wireless transmission are higher and higher, so that requirements for antennas used in bluetooth wireless transmission are higher and higher. Because the available space in the intelligent glasses is smaller, in order to enable the intelligent glasses to better cover the wireless transmission frequency band, the loss of the antenna is reduced, the efficiency of the antenna is improved, and the inventor proposes the following technical scheme through continuous testing.

The utility model comprises the following steps:

the utility model aims to provide intelligent glasses with U-shaped antennas, which have higher efficiency.

In order to solve the technical problems, the utility model adopts the following technical scheme: a smart eyeglass with a U-shaped antenna, comprising: the glasses leg is internally provided with a cavity, a U-shaped antenna is arranged in the cavity, the antenna comprises a first radiation part, a second radiation part and a third radiation part which are sequentially connected, wherein the first radiation part and the second radiation part jointly form one side of the U-shaped antenna, and the third radiation part forms the other side of the U-shaped antenna; the first radiation portion at the start end includes: the first radiation arm is connected with the first feed point region and the signal feed point region, wherein the ground feed point region and the signal feed point region are respectively and electrically connected with an electrode part; the second radiation part includes: a back-slot radiating arm and a second radiating arm; the third radiation part includes: and the main body is an L-shaped third radiating arm, one shorter side of the third radiating arm is connected with the second radiating part, and the longer side of the third radiating arm extends to the first radiating part through L-shaped bending.

In the above technical solution, a T-shaped gap is formed between the ground feed point region, the signal feed point region and the first radiating arm in the first radiating portion.

In the above technical solution, a shaped groove is formed between the first radiation portion and the second radiation portion.

Furthermore, in the above technical solution, the radiation arm of the back-slot is formed by a plurality of radiation strips arranged at intervals.

In the above technical solution, the return slot radiating arm is formed by a first radiating strip, a second radiating strip and a third radiating strip, wherein the first radiating strip and the second radiating strip extend backward from a region connected with the first radiating portion; the third radiating strip extends from the inner side edge of the second radiating arm, which is close to the shorter side of the third radiating arm, and extends forwards to the area between the first radiating strip and the second radiating strip after bending.

In the above technical solution, the second radiation arm is bent continuously to form a shape similar to W.

Further, in the foregoing technical solution, the third radiation portion includes: the third radiation arm and the fourth radiation strip, wherein the fourth radiation strip is arranged outside the longer side of the third radiation arm in parallel.

In the above technical scheme, one end of the third radiating arm is connected with the second radiating arm, a rectangular notch is formed at the other end of the third radiating arm, and a protrusion is formed at the third rectangular notch.

Furthermore, in the above technical scheme, the glasses leg comprises a base and a cover body which are mutually buckled, the cavity is formed in the glasses leg, the front end of the glasses leg is provided with a connecting end connected with the glasses frame, and the antenna is positioned in the cavity and close to the connecting end.

By adopting the technical scheme, compared with the prior art, the intelligent glasses antenna has the following beneficial effects that the antenna utilizes the back slot radiation arm, the plurality of open branches and the plurality of slotting fusion technologies, so that the intelligent glasses antenna efficiency is improved, and the antenna dead angle problem is solved.

Description of the drawings:

FIG. 1 is a perspective view of a temple in accordance with the present utility model;

FIG. 2 is a view showing the internal structure of the temple according to the present utility model;

FIG. 3 is a schematic plan view of an antenna according to the present utility model;

fig. 4 is a perspective view of an antenna according to the present utility model.

The specific embodiment is as follows:

the utility model will be further described with reference to specific examples and figures.

Referring to fig. 1 and 2, the present utility model is a smart glasses with a U-shaped antenna, which includes: the glasses leg 1 is provided with a cavity 10, and a U-shaped antenna is arranged in the cavity 10.

The glasses leg 1 comprises a base 101 and a cover 102 which are buckled with each other, the cavity 10 is formed in the glasses leg, the front end of the glasses leg 1 is provided with a connecting end 11 connected with a glasses frame, and the antenna 2 is positioned in the cavity 10 and close to the connecting end 11.

As shown in fig. 2, the antenna 2 is integrally formed by a metal sheet, and includes: the first radiation portion 21, the second radiation portion 22, and the third radiation portion 23 are sequentially connected. The whole antenna 2 has a substantially U-shaped form, wherein the first radiating portion 21 and the second radiating portion 22 together form one side of the U-shaped antenna 2 and the third radiating portion 23 forms the other side of the U-shaped antenna 2.

Specifically, the first radiation portion 21 is located at the start end of the entire U-shaped antenna 2, and the first radiation portion 21 includes: the ground feed point region 211, the signal feed point region 212, and the first radiation arm 213 connecting the first feed point region 211 and the signal feed point region 212, wherein the ground feed point region 211 and the signal feed point region 212 are respectively electrically connected with an electrode portion 1 to serve as a ground feed point and an antenna signal feed point.

In the first radiating portion 21, a T-shaped gap 214 is formed among the ground feed point region 211, the signal feed point region 212 and the first radiating arm 213. A shaped groove 215 is formed between the first radiation portion 21 and the second radiation portion 22.

The second radiation portion 22 includes: a backset radiating arm 221 and a second radiating arm 222. The return slot radiating arm 221 is formed of a plurality of radiating strips arranged at intervals, and is used for improving the directivity of the antenna and reducing the loss of the antenna itself. Specifically, in the first embodiment, the backset radiating arm 221 is formed by a first radiating strip 2211, a second radiating strip 2212 and a third radiating strip 2213, wherein the first radiating strip 2211 and the second radiating strip 2212 extend backward from the area connected to the first radiating portion 21; the third radiation bar 2213 extends from the inner side edge of the second radiation arm 222 near the shorter side of the third radiation arm 231 and extends to the area between the first radiation bar 2211 and the second radiation bar 2212 before being bent by 90 degrees. The second radiation arm 222 is shaped like a W by being continuously bent.

The third radiation part 23 includes: a third radiating arm 231 and a fourth radiating strip 232. The third radiating arm 231 has an L-shaped body, and a shorter side thereof is connected to the second radiating portion 22, and a longer side thereof extends toward the first radiating portion 21 by bending of the L-shape and is flush with the start end of the first radiating portion 21. The fourth radiating strip 232 extends from the rear side of the end of the third radiating arm to the rear side, and is disposed in parallel on the outer side of the longer side of the third radiating arm 231.

One end of the third radiating arm 231 is connected to the second radiating arm 222, a rectangular notch 233 is formed at the other end of the third radiating arm 231, and a protrusion 234 is formed at the third rectangular notch 233.

As shown in fig. 4, after the antenna 2 is installed in the cavity 10, the antenna 2 may be electrically connected to a circuit board in the smart glasses through the electrode portion 3. That is, the electrode portion 3 is used for electrically connecting the antenna 2 with a corresponding circuit board in the smart glasses, and the electrode portion 3 may be any one of a spring pin, a spring piece, a conductive column, conductive cotton, and conductive silica gel. As shown in fig. 4, the electrode portion 3 in the present embodiment employs a pogo pin.

When the utility model is tested, the resonant frequency of the antenna is 2.4402GHz, and the return loss reaches-27.547 dB. The bandwidth of the antenna is 107.4MHz above-6 dB, and the network frequency band of Bluetooth can be completely covered. The deeper return loss reduces the loss of the antenna itself so that the antenna can radiate more energy into space. Meanwhile, under the frequency band of 2.4GHz, the antenna efficiency of the utility model is 76.629%; at the frequency band of 2.44GHz, the antenna efficiency is 88.576%; at the frequency band of 2.48GHz, the antenna efficiency is 77.442%; the average efficiency was 80.882%.

It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.

Claims (9)

1. A smart eyeglass with a U-shaped antenna, comprising: the glasses leg has a cavity in this glasses leg, installs a U-shaped antenna, its characterized in that in the cavity: the antenna comprises a first radiation part, a second radiation part and a third radiation part which are sequentially connected, wherein the first radiation part and the second radiation part jointly form one side of the U-shaped antenna, and the third radiation part forms the other side of the U-shaped antenna;

the first radiation portion at the start end includes: the first radiation arm is connected with the first feed point region and the signal feed point region, wherein the ground feed point region and the signal feed point region are respectively and electrically connected with an electrode part;

the second radiation part includes: a back-slot radiating arm and a second radiating arm;

the third radiation part includes: and the main body is an L-shaped third radiating arm, one shorter side of the third radiating arm is connected with the second radiating part, and the longer side of the third radiating arm extends to the first radiating part through L-shaped bending.

2. The smart glasses with U-shaped antenna of claim 1 wherein: in the first radiation part, a T-shaped gap is formed among the ground feed point area, the signal feed point area and the first radiation arm.

3. The smart glasses with U-shaped antenna of claim 1 wherein: a shaped groove is formed between the first radiation part and the second radiation part.

4. The smart glasses with U-shaped antenna of claim 1 wherein: the back-slot radiation arm is composed of a plurality of radiation strips which are arranged at intervals.

5. The smart glasses with U-shaped antenna of claim 4 wherein: the groove return radiation arm is composed of a first radiation strip, a second radiation strip and a third radiation strip, wherein the first radiation strip and the second radiation strip extend backwards from a region connected with the first radiation part; the third radiating strip extends from the inner side edge of the second radiating arm, which is close to the shorter side of the third radiating arm, and extends forwards to the area between the first radiating strip and the second radiating strip after bending.

6. The smart glasses with U-shaped antenna of claim 1 wherein: the second radiation arm is shaped like W by continuous bending.

7. The smart glasses with U-shaped antenna of claim 1 wherein: the third radiation part includes: the third radiation arm and the fourth radiation strip, wherein the fourth radiation strip is arranged outside the longer side of the third radiation arm in parallel.

8. The smart glasses with U-shaped antenna of claim 1 wherein: one end of the third radiating arm is connected with the second radiating arm, a rectangular notch is formed at the other end of the third radiating arm, and a bulge is formed at the third rectangular notch.

9. A smart glasses with U-shaped antenna according to any one of claims 1-8, wherein: the glasses leg comprises a base and a cover body which are buckled with each other, the cavity is formed in the glasses leg, the front end of the glasses leg is provided with a connecting end connected with the glasses frame, and the antenna is positioned in the cavity and close to the connecting end.