CN210404047U - Three-dimensional antenna applied to wearable device - Google Patents
Three-dimensional antenna applied to wearable device Download PDFInfo
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- CN210404047U CN210404047U CN201921931997.7U CN201921931997U CN210404047U CN 210404047 U CN210404047 U CN 210404047U CN 201921931997 U CN201921931997 U CN 201921931997U CN 210404047 U CN210404047 U CN 210404047U
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Abstract
The utility model discloses a be applied to three-dimensional antenna of wearable equipment, including connecting gradually: the wearable device comprises an antenna branch I, a high-frequency resonance structure, an antenna branch II, a low-frequency resonance structure and an antenna loop structure, wherein the antenna branch I and the high-frequency resonance structure are integrally designed into arc-shaped curved surfaces, so that the antenna branch I and the high-frequency resonance structure can be plated on one of an inner watch shell and an outer watch shell of the wearable device through an LDS (laser direct structuring) process; an antenna slot structure I is formed between the antenna branch I and the high-frequency resonance structure, an antenna Feed fulcrum is arranged at the free end of the antenna branch I, an antenna slot structure II is formed at the tail end of the antenna loop structure, and an antenna GND and a tuning switch fulcrum are arranged at the tail end of the antenna slot structure II. The utility model discloses can realize the combination form of PC + LOOP antenna, adopt LDS technology to guarantee wearable equipment, for example, wrist-watch, strengthen the utilization ratio in the space of wrist-watch in the signal, wait advantage.
Description
Technical Field
The utility model relates to a 4G antenna, in particular to be applied to three-dimensional antenna of wearable equipment.
Background
The wearable device is widely welcomed by users as an innovative and fashionable communication product, and brings forward experience and convenient feeling to the users. With the rapid development of mobile communication technology and the continuous improvement of living standard of people, people are no longer limited to enjoying convenience and pleasure brought by mobile phones, and gradually look to emerging wearable equipment with diversified functions, the wearable equipment adopting the TDD-LTE communication technology attracts the attention of the market so as to meet the requirement that people hope that the intelligent wearable equipment replaces the mobile phones at times, and wearable electronic products with the characteristics of intelligence, attractiveness, portability, wearing comfort and the like are popular with consumers.
Because the antenna on the market cannot meet the communication application of wearable equipment, the related performance of the antenna is ensured under the condition of high integration of the equipment, and particularly, the (4G) in a fourth-generation mobile communication system can not only overcome the influence of surrounding metal components, but also meet the required bandwidth coverage. Conventional antennas typically have only one resonant mode in the lower frequency band and only one resonant mode in the high frequency band. For the above reasons, it is necessary to design a high-integration, small and high-performance wearable terminal antenna, whose resonant frequency band covers GSM900/1800/TD-a/F/TD LTEB38/39/40/41/FDDB1/B3/B7, and at the same time, it is necessary to meet various communication requirements of wearable devices.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a be applied to three-dimensional antenna of wearable equipment.
In order to achieve the above purpose, the specific technical solution of the present invention is as follows:
a three-dimensional antenna applied to a wearable device comprises the following components which are connected in sequence: the antenna comprises an antenna branch I, a high-frequency resonance structure, an antenna branch II, a low-frequency resonance structure and an antenna loop structure, wherein the antenna branch I and the high-frequency resonance structure are integrally designed into arc-shaped curved surfaces, so that the antenna branch I and the high-frequency resonance structure can be laser-etched and plated on one of an inner shell and an outer shell of the wearable device through an LDS (laser direct structuring) process;
an antenna slot structure I is formed between the antenna branch I and the high-frequency resonance structure, an antenna Feed fulcrum is arranged at the free end of the antenna branch I, an antenna slot structure II is formed at the tail end of the antenna loop structure, and an antenna GND and a tuning switch fulcrum are arranged at the tail end of the antenna slot structure II.
Optionally, the first antenna branch is connected to the antenna Feed pivot via a main path matching, and the second antenna slot structure is connected to the antenna GND and the tuning switch pivot via a switch tuning matching.
Optionally, the three-dimensional antenna is plated on the inner surface of the wearable device, wherein the first antenna branch and the high-frequency resonant structure are arranged at the corners of the arc, and the second antenna branch, the low-frequency resonant structure, the antenna loop structure and the antenna slot structure are arranged at one end of the inner surface.
Optionally, the second antenna branch is electrically connected with the high-frequency resonance structure through a curved strip.
Adopt the technical scheme of the utility model, following beneficial effect has:
(1) the combined form of the PC + LOOP antenna is realized, and the LDS technology is adopted to ensure that the space utilization rate of the watch is enhanced while signals of wearable equipment such as the watch are ensured;
(2) the wearable intelligent terminal device realizes the LTE multi-frequency multi-mode antenna, has great challenge, and is combined with a switch and an active tuning technology to realize a future trend;
(3) the special single Loop-slot design reduces the terminal equipment space occupied by a plurality of antennas;
(4) the multi-band and multi-mode technology can provide perfect high-speed transmission.
Drawings
Fig. 1 is a schematic structural diagram of the three-dimensional antenna of the present invention;
FIG. 2 is a schematic structural view of the three-dimensional antenna of the present invention applied to a watch case;
fig. 3 is a partial cross-sectional view of fig. 2.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, the utility model provides a be applied to three-dimensional antenna of wearable equipment, including connecting gradually: the wearable device comprises an antenna branch I110, a high-frequency resonance structure 113, an antenna branch II 111, a low-frequency resonance structure 112 and an antenna loop structure 300, wherein the whole formed by the antenna branch I110 and the high-frequency resonance structure 113 is designed into an arc-shaped curved surface, so that the antenna branch I110 and the high-frequency resonance structure 113 can be plated on one of an inner watch case and an outer watch case of the wearable device through an LDS (laser direct structuring) process;
an antenna slot structure I400 is formed between the antenna branch I110 and the high-frequency resonance structure 113, an antenna Feed fulcrum 102 is arranged at the free end of the antenna branch I110, an antenna slot structure II 200 is formed at the tail end of the antenna loop structure 300, and an antenna GND and a tuning switch fulcrum 101 are arranged at the tail end of the antenna slot structure II 200.
As a preferred embodiment of the present invention, the first antenna branch 110 is connected to the antenna Feed fulcrum 102 via a main path matching 13, and the second antenna slot structure 111 is connected to the antenna GND and the tuning switch fulcrum 101 via a switch tuning matching 23.
As a preferred embodiment of the present invention, the three-dimensional antenna is laser etched on the inner surface of the wearable device, for example, the inner surface of the watch case, wherein the first antenna branch 110 and the high frequency resonant structure 113 are disposed at the corner of the arc, and the second antenna branch 111, the low frequency resonant structure 112, the antenna loop structure 300, and the second antenna slot structure 200 are disposed at an end of the inner surface.
The second antenna branch 111 and the high-frequency resonant structure 113 are electrically connected through a curved belt so as to adapt to the LDS plating process between the two at the arc-shaped corner.
The utility model discloses a theory of operation:
the three-dimensional antenna is capable of operating between all LTE bands within the compact space of the user equipment, especially on a smart watch, and also between all remote cellular applications (e.g., GSM, AMPS, GPRS, CDMA, WCDMA, UMTS, and HSPA, etc.). Wherein antenna GND and tuning switch anchor 101 and antenna Feed anchor 102 form a loop antenna coupled to a Radio Frequency (RF) Feed and ground plane-antenna loop structure 300 between which is optimized its antenna performance by main path matching 13 of antenna Feed anchor 102 and switch tuning matching 23 of antenna GND and tuning switch anchor 101, wherein antenna slot structure two 200 and antenna slot structure one 400 are coupled to the RF Feed and to the ground plane structure.
In this antenna embodiment, a single Loop-Slot antenna may be configured to operate with two resonant LTE band bandwidths at the low band and 4 resonant LTE band bandwidths at the high band. The single loop-Slot antenna may be used in a variety of wearable electronic devices, or similar one compact single feed configurations. Both the limited antenna and the low-band antenna between the availability of space and coupling high-band bandwidth and efficiency through which high-band can pass are in compact electronic devices.
And the antennas are packaged by adopting an LDS (laser direct structuring) process, so that the wearable product is assembled and applied better. The antenna loop structure 300 (or single loop slot antenna) is disposed on an antenna carrier 100, such as a dielectric carrier of a watch electronics device. The antenna carrier 100 is a PC material of black saber DX 11355, such as a dielectric material of black saber DX 11355, on which the antenna loop structure 300 of the single loop Slot antenna of conductive material can be arranged without electrical contact with other metals of the watch electronics.
The utility model discloses the technique possesses following performance:
(1) the wearable 4G antenna meets communication protocol standards such as GSM/TDSCDMA/TDD LTE/FDD LTE and the like, realizes multi-frequency and multi-mode through an LDS process, has a three-dimensional 3D structure in the appearance and is integrated in a small space (curved surface);
(2) the antenna utilizes LOOP antenna technology in the specification of 43mm (width) x52mm (length), adopts radio frequency switch technology to automatically adjust multiple frequencies and multiple modes, and uses a matching circuit or other technologies to optimize equipment environment so as to achieve the maximum link availability and reliability, balance the signal strength and be suitable for various application scenarios;
(3) the antenna has the advantages that the size of the antenna and the matching tuning of the antenna are both required to be switched and active tuning components by the active tunable antenna technology, so that the antenna can be tuned to work between a plurality of platforms or in a plurality of subscriber networks, and the volume of the antenna is reduced;
(4) the antenna adopts an advanced LDS manufacturing process to form an antenna pattern by utilizing a shell material three-dimensional structure, so that the process of repeatedly communicating with an ME and modifying a mould is omitted, the antenna is radiussed on the watch shell, the interference of internal components of the watch is avoided, the signal of the watch is ensured, and the utilization rate of the space of the watch is enhanced.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (4)
1. The utility model provides a be applied to three-dimensional antenna of wearable equipment which characterized in that, including connecting gradually: the antenna comprises an antenna branch I, a high-frequency resonance structure, an antenna branch II, a low-frequency resonance structure and an antenna loop structure, wherein the antenna branch I and the high-frequency resonance structure are integrally designed into arc-shaped curved surfaces, so that the antenna branch I and the high-frequency resonance structure can be laser-etched and plated on one of an inner shell and an outer shell of the wearable device through an LDS (laser direct structuring) process;
an antenna slot structure I is formed between the antenna branch I and the high-frequency resonance structure, an antenna Feed fulcrum is arranged at the free end of the antenna branch I, an antenna slot structure II is formed at the tail end of the antenna loop structure, and an antenna GND and a tuning switch fulcrum are arranged at the tail end of the antenna slot structure II.
2. The three-dimensional antenna applied to wearable device according to claim 1, wherein the first antenna branch is connected to the antenna Feed via a main circuit matching, and the second antenna slot structure is connected to the antenna GND and the tuning switch via a switch tuning matching.
3. The three-dimensional antenna applied to the wearable device according to claim 2, wherein the three-dimensional antenna is plated on an inner surface of the wearable device, wherein the first antenna branch and the high-frequency resonant structure are disposed at the arc-shaped corners, and the second antenna branch and the low-frequency resonant structure, the antenna loop structure and the antenna slot structure are disposed at an end portion of the inner surface.
4. The three-dimensional antenna applied to the wearable device according to claim 3, wherein the second antenna branch is electrically connected with the high-frequency resonant structure through a curved strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921931997.7U CN210404047U (en) | 2019-11-08 | 2019-11-08 | Three-dimensional antenna applied to wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921931997.7U CN210404047U (en) | 2019-11-08 | 2019-11-08 | Three-dimensional antenna applied to wearable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404047U true CN210404047U (en) | 2020-04-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921931997.7U Active CN210404047U (en) | 2019-11-08 | 2019-11-08 | Three-dimensional antenna applied to wearable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210404047U (en) |
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2019
- 2019-11-08 CN CN201921931997.7U patent/CN210404047U/en active Active
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