CN109755744B - Antenna for wearable equipment - Google Patents
Antenna for wearable equipment Download PDFInfo
- Publication number
- CN109755744B CN109755744B CN201910121570.9A CN201910121570A CN109755744B CN 109755744 B CN109755744 B CN 109755744B CN 201910121570 A CN201910121570 A CN 201910121570A CN 109755744 B CN109755744 B CN 109755744B
- Authority
- CN
- China
- Prior art keywords
- antenna
- metal block
- switch
- inductor
- grounded
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 claims abstract description 77
- 238000001514 detection method Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Abstract
The invention discloses an antenna for wearable equipment, which comprises an omnidirectional antenna and a signal source connected with the omnidirectional antenna. The metal block automatically switches the guiding or reflecting mode of the omnidirectional antenna by switching the equivalent electric length of the metal block, so that the multidirectional gain of the antenna is realized.
Description
Technical Field
The invention relates to the technical field of terminals, in particular to an antenna on a mobile terminal.
Background
With the popularization of good market prospects and use of wearable equipment, product terminals are facing diversified, multi-scene and intelligent design requirements. The built-in antenna design of the existing terminal communication products is mainly a directional antenna or an omni-directional antenna. The problem of the existing technical scheme is that the antenna design of the wearable product is mainly built-in omni-directional antenna design, and due to miniaturization and design scenes close to a human body, the antenna clearance and the surrounding metal environment are complex, and higher radiation efficiency cannot be realized.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention aims to solve the technical problem that the directional enhancement of the antenna under a specific use scene can be realized by the design of the guiding and reflecting of the antenna on the basis of the built-in omni-directional antenna.
In order to achieve the above purpose, the invention provides an antenna for a wearable device, which comprises an omni-directional antenna and a signal source connected with the omni-directional antenna, and is characterized in that a metal block is arranged around the omni-directional antenna, and the metal block is grounded through a matching circuit.
The matching circuit includes a switch and a matching device.
The metal block is connected with the moving end of the switch, and the fixed end of the switch is grounded through the matching device.
The metal block is connected with the fixed end of the switch through the matching device, and the movable end of the switch is grounded.
The device also comprises a processor and a direction detection device, wherein the signal output end of the direction judgment sensor is connected with the signal input end of the processor, and the processor outputs a control signal to the switch to control the on-off of the switch.
More than two metal blocks are arranged; each metal block is connected with the fixed end of the switch through the matching device, and the movable end of the switch is grounded.
The matching device is an inductor or a capacitor.
The equivalent electrical length of the metal block is less than half a wavelength of the omni-directional antenna.
The equivalent electrical length of the metal block after being communicated with the matching device is larger than half wavelength of the omnidirectional antenna.
The direction detection device is a gravity sensing device or a geomagnetic sensor.
The beneficial effects of the invention are as follows: the metal block can be arranged on the basis of the built-in omnidirectional antenna, and the capacitors with different capacitance values are selected and connected through the switch, so that the equivalent electric length of the metal block is changed, the guiding or reflecting mode of the omnidirectional antenna is switched automatically, and the directional enhancement design under the specific use scene requirement of the antenna is realized; the multi-frequency orientation compatible design is realized through the switching of the antenna guiding and reflecting; through the function switching of the guiding and reflecting design, the omnidirectional and multidirectional directional enhancement design compatibility of the antenna is realized.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention as claimed.
Drawings
FIG. 1 is a schematic illustration of a first embodiment of the present invention;
FIG. 2 is a graph showing the effect of gain distribution in various directions on an antenna according to an embodiment of the present invention;
FIG. 3 is a schematic diagram showing the effect of uneven antenna gain distribution according to the embodiment of the present invention;
FIG. 4 is a diagram showing a second effect of uneven antenna gain distribution according to the embodiment of the present invention;
fig. 5 is a schematic diagram of a second embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Embodiment one:
as shown in fig. 1 to 5, the present embodiment provides an antenna for a wearable device, including an omni-directional antenna, a signal source connected to the omni-directional antenna, wherein metal blocks are symmetrically disposed around the omni-directional antenna, and the metal blocks are grounded through a matching circuit.
The matching circuit includes a switch and a matching device.
The metal block is connected with the moving end of the switch, and the fixed end of the switch is grounded through the matching device.
The metal block is connected with the fixed end of the switch through the matching device, and the movable end of the switch is grounded.
The device also comprises a processor and a direction detection device, wherein the signal output end of the direction judgment sensor is connected with the signal input end of the processor, and the processor outputs a control signal to the switch to control the on-off of the switch.
The matching device is an inductor or a capacitor.
The equivalent electrical length of the metal block is less than half a wavelength of the omni-directional antenna.
The equivalent electrical length of the metal block after being communicated with the matching device is larger than half wavelength of the omnidirectional antenna.
The direction detection device is a gravity sensing device or a geomagnetic sensor.
In this embodiment, the switch includes: a first switch 25 and a second switch 26, the metal block including: a first metal block 22 and a second metal block 23. When the first switch 25 grounds the first metal block 22 through the first inductor and the second switch 26 grounds the second metal block 23 through the first inductor, the equivalent electrical lengths of the first metal block 22 and the second metal block 23 are smaller than the wavelength of the omni-directional antenna 21, so that the first metal block 22 and the second metal block 23 do not affect the omni-directional antenna 21, and the antenna gain is in a form of an irregular omni-directional antenna, divided into lobes 30 and 31, and the gain distribution in each direction is relatively uniform.
When the first switch 25 is turned off, the second switch 26 is grounded through the second inductor, and at this time, the equivalent electrical length of the first metal block 22 is smaller than half wavelength of the omni-directional antenna 21, which has an antenna guiding function; the equivalent electrical length of the second metal block 23 is larger than half wavelength of the omni-directional antenna 21 due to the fact that the second inductor is connected in series to the ground, the second metal block 23 has an antenna reflection function, the second metal block 23 serves as an auxiliary device of the omni-directional antenna 21, the directional gain of the auxiliary device is shown in fig. 3, the lobe 40 is an antenna gain enhancement direction, and the auxiliary device has better gain than the omni-directional antenna 21; lobe 41 is the antenna gain reflection direction with weaker gain than the omni-directional antenna 21.
When the second switch 26 is opened, the first switch 25 is grounded through the second inductor, the equivalent electrical length of the second metal block 23 is smaller than half wavelength of the omnidirectional antenna 21, and the second metal block 23 has an antenna guiding function; the equivalent electrical length of the first metal block 22 is larger than half wavelength of the omni-directional antenna 21 due to the fact that the second inductor is connected in series and grounded, the first metal block 22 has an antenna reflection function, the first metal block 22 serves as an auxiliary device of the omni-directional antenna, the antenna direction gain of the auxiliary device is shown in fig. 4, the lobe 51 is an antenna gain enhancement direction, and the auxiliary device has better gain than the omni-directional antenna 21; lobe 50 is the antenna gain reflection direction with weaker gain than the omni-directional antenna 21.
The capacitance value of the first inductor is larger than that of the second inductor.
Through the design of the scene, the enhancement of the gain of the antenna in the omnidirectional direction and the gain in the upper direction and the lower direction can be realized, so that the requirement of wearing the antenna by the left hand and the right hand on the gain in the directions of two opposite antennas can be realized.
Embodiment two:
this embodiment is substantially the same as the embodiment except that: the embodiment is provided with more than two metal blocks; each metal block is connected with the fixed end of the switch through the matching device, and the movable end of the switch is grounded.
The present embodiment is the enhancement design of the first embodiment, the metal block includes: third metal block 62, fourth metal block 63, fifth metal block 64, sixth metal block 65. Wherein the third metal block 62 and the fifth metal block 64 are selectively grounded through the first switch 25, the fourth metal block 63 and the sixth metal block 65 are selectively grounded through the second switch 26, and the working scenario thereof is divided into: the third metal block 62 and the fourth metal block 63 work in pairs, and the fifth metal block 64 and the sixth metal block 65 work in pairs, so that the enhancement of the antenna design in four directions can be realized, and the enhancement of the phase-change omni-directional antenna design can be realized.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (8)
1. An antenna for a wearable device comprises an omni-directional antenna and a signal source connected with the omni-directional antenna, and is characterized in that a metal block is arranged around the omni-directional antenna and is grounded through a matching circuit;
the matching circuit comprises a switch and a matching device; the matching device is an inductor or a capacitor;
the switch is used for selecting and connecting inductors with different capacitance values, so that the equivalent electric length of the metal block is changed, the guiding or reflecting mode of the omnidirectional antenna is switched automatically, and the directional enhancement design under the specific use scene requirement of the antenna is realized;
the switch includes: a first switch and a second switch, the metal block comprising: the first switch is used for grounding the first metal block through the first inductor, the second switch is used for grounding the second metal block through the first inductor, the equivalent electric lengths of the first metal block and the second metal block are smaller than the wavelength of the omnidirectional antenna, the first metal block and the second metal block do not influence the omnidirectional antenna, the antenna gain is in an irregular omnidirectional antenna shape and is divided into two lobes, and gain distribution in all directions is relatively uniform;
when the first switch is disconnected, the second switch is grounded through the second inductor, and the equivalent electric length of the first metal block is smaller than half wavelength of the omnidirectional antenna, so that the antenna has an antenna guiding effect; the second metal block is connected with the second inductor in series to be grounded, the equivalent electrical length of the second metal block is larger than half wavelength of the omnidirectional antenna, the second metal block has an antenna reflection function, the second metal block is used as an auxiliary device of the omnidirectional antenna, one of two lobes is an antenna gain enhancement direction, and the other is an antenna gain reflection direction;
when the second switch is disconnected, the first switch is grounded through the second inductor, the equivalent electrical length of the second metal block is smaller than half wavelength of the omnidirectional antenna, and the second metal block has an antenna guiding function; the first metal block is connected in series with the second inductor to be grounded, the equivalent electrical length of the second inductor is larger than half wavelength of the omnidirectional antenna, the first metal block has an antenna reflection function, the first metal block is used as an auxiliary device of the omnidirectional antenna, one of two lobes is an antenna gain enhancement direction, and the other is an antenna gain reflection direction;
the capacitance value of the first inductor is larger than that of the second inductor.
2. An antenna for a wearable device as claimed in claim 1, wherein the metal block connects the moving end of the switch, and the stationary end of the switch is grounded through the matching means.
3. An antenna for a wearable device as claimed in claim 1, wherein the metal block is connected to the stationary end of a switch via a matching means, the moving end of the switch being grounded.
4. An antenna for a wearable device according to any one of claims 1 to 3, further comprising a processor and a direction detecting means, wherein a signal output end of the direction determining sensor is connected to a signal input end of the processor, and the processor outputs a control signal to the switch to control on/off of the switch.
5. An antenna for a wearable device as claimed in claim 4, wherein more than two metal blocks are provided; each metal block is connected with the fixed end of the switch through the matching device, and the movable end of the switch is grounded.
6. An antenna for a wearable device as in claim 1, wherein the metal block has an equivalent electrical length less than half a wavelength of the omnidirectional antenna.
7. The antenna for a wearable device of claim 1, wherein an equivalent electrical length of the metal block after the equivalent electrical length is in communication with the matching means is greater than half a wavelength of the omni-directional antenna.
8. An antenna for a wearable device as claimed in claim 4, wherein the orientation detection means is a gravity sensing means or a geomagnetic sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910121570.9A CN109755744B (en) | 2019-02-19 | 2019-02-19 | Antenna for wearable equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910121570.9A CN109755744B (en) | 2019-02-19 | 2019-02-19 | Antenna for wearable equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109755744A CN109755744A (en) | 2019-05-14 |
| CN109755744B true CN109755744B (en) | 2023-12-15 |
Family
ID=66407550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910121570.9A Active CN109755744B (en) | 2019-02-19 | 2019-02-19 | Antenna for wearable equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109755744B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110350295A (en) * | 2019-06-30 | 2019-10-18 | RealMe重庆移动通信有限公司 | Wearable electronic equipment |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB805478A (en) * | 1956-04-06 | 1958-12-10 | Standard Telephones Cables Ltd | Omnidirectional antenna |
| US6353410B1 (en) * | 1999-03-19 | 2002-03-05 | Radio Frequency Systems, Inc. | Space tapered antenna having compressed spacing or feed network phase progression, or both |
| JP2006148234A (en) * | 2004-11-16 | 2006-06-08 | Murata Mfg Co Ltd | Antenna assembly and wireless communication apparatus |
| CA2596025A1 (en) * | 2006-10-20 | 2008-04-20 | Tenxc Wireless Inc. | A microstrip double sided monopole yagi-uda antenna with application in sector antennas |
| CN103618150A (en) * | 2013-11-27 | 2014-03-05 | 电子科技大学 | Antenna capable of switching wave beam directions |
| CN103794879A (en) * | 2014-01-23 | 2014-05-14 | 电子科技大学 | Small beam-switchable antenna capable of conducting omni-directional scanning in H face perpendicular to antenna plane |
| CN108232443A (en) * | 2018-01-18 | 2018-06-29 | 华南师范大学 | A kind of microstrip slot antenna of directional diagram reconstructable |
| CN208028218U (en) * | 2017-12-29 | 2018-10-30 | 西安安坦纳微波科技有限公司 | A kind of antenna array of directional diagram reconstructable |
| CN108767481A (en) * | 2018-05-29 | 2018-11-06 | 电子科技大学 | A kind of directional diagram reconstructable RECTIFYING ANTENNA of broad beam |
| CN209516020U (en) * | 2019-02-19 | 2019-10-18 | 深圳市和盈互联科技有限公司 | Antenna for wearable device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002280942A (en) * | 2001-03-15 | 2002-09-27 | Nec Corp | Information terminal provided with variable directive antenna |
| EP1756914A4 (en) * | 2004-04-12 | 2008-04-02 | Airgain Inc | Switched multi-beam antenna |
| KR102314602B1 (en) * | 2015-04-23 | 2021-10-19 | 한국전자통신연구원 | Antenna apparatus and method for beam forming thereof |
-
2019
- 2019-02-19 CN CN201910121570.9A patent/CN109755744B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB805478A (en) * | 1956-04-06 | 1958-12-10 | Standard Telephones Cables Ltd | Omnidirectional antenna |
| US6353410B1 (en) * | 1999-03-19 | 2002-03-05 | Radio Frequency Systems, Inc. | Space tapered antenna having compressed spacing or feed network phase progression, or both |
| JP2006148234A (en) * | 2004-11-16 | 2006-06-08 | Murata Mfg Co Ltd | Antenna assembly and wireless communication apparatus |
| CA2596025A1 (en) * | 2006-10-20 | 2008-04-20 | Tenxc Wireless Inc. | A microstrip double sided monopole yagi-uda antenna with application in sector antennas |
| CN103618150A (en) * | 2013-11-27 | 2014-03-05 | 电子科技大学 | Antenna capable of switching wave beam directions |
| CN103794879A (en) * | 2014-01-23 | 2014-05-14 | 电子科技大学 | Small beam-switchable antenna capable of conducting omni-directional scanning in H face perpendicular to antenna plane |
| CN208028218U (en) * | 2017-12-29 | 2018-10-30 | 西安安坦纳微波科技有限公司 | A kind of antenna array of directional diagram reconstructable |
| CN108232443A (en) * | 2018-01-18 | 2018-06-29 | 华南师范大学 | A kind of microstrip slot antenna of directional diagram reconstructable |
| CN108767481A (en) * | 2018-05-29 | 2018-11-06 | 电子科技大学 | A kind of directional diagram reconstructable RECTIFYING ANTENNA of broad beam |
| CN209516020U (en) * | 2019-02-19 | 2019-10-18 | 深圳市和盈互联科技有限公司 | Antenna for wearable device |
Non-Patent Citations (3)
| Title |
|---|
| AIS波段等离子体引向天线辐射特性分析;袁秋梦等;《科技视界》(第4期);全文 * |
| Wideband Pattern-Reconfigurable Antenna Using Pair of Radial Radiators on Truncated Ground With Switchable Director and Reflector;M. S. Alam et al.;《IEEE Antennas and Wireless Propagation Letters》;第16卷;全文 * |
| 船舶定线制水域AIS基站的等离子体八木天线;孙洋等;《上海海事大学学报》;第37卷(第3期);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109755744A (en) | 2019-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108879116B (en) | Antenna system and terminal | |
| CN104885296B (en) | Loop aerial and mobile terminal | |
| CN105390801B (en) | The antenna structure and mobile terminal of mobile terminal | |
| CN105811076B (en) | A kind of high-isolation antenna structure of mobile phole based on metal back cover | |
| CN105490004B (en) | A kind of mobile terminal antenna system and mobile terminal | |
| CN106575821B (en) | A kind of terminal | |
| CN103594778B (en) | A kind of multi-band antenna assembly and there is the handheld terminal of this multi-band antenna assembly | |
| CN108232421A (en) | Antenna system and mobile terminal | |
| CN106921034B (en) | Antenna module and electronic equipment | |
| CN110085994A (en) | A kind of adjustable antenna and terminal | |
| CN104681977B (en) | A kind of multiband closure wireloop antenna and equipment | |
| CN105530342B (en) | Antenna system and its mobile terminal | |
| CN104037502A (en) | Tunable Antenna | |
| CN109288215A (en) | Intelligent ring | |
| CN205490708U (en) | Antenna system and mobile terminal thereof | |
| CN109755744B (en) | Antenna for wearable equipment | |
| CN205376770U (en) | Utilize tuning switch to realize cell -phone antenna of full frequency channel of LTE | |
| CN109039348A (en) | Method of controlling antenna and ACU antenna control unit | |
| CN205509002U (en) | High isolation cell -phone antenna structure based on metal backing lid | |
| CN203674391U (en) | Antenna structure comprising distance inductor | |
| CN205488547U (en) | Reconfigurable becket antenna | |
| CN206379467U (en) | A kind of wearable device | |
| CN109818137A (en) | A kind of mobile terminal multi-antenna device | |
| US20200321990A1 (en) | Antenna Switching Circuit, Antenna Switching Method and Electronic Device | |
| CN109075425B (en) | Antenna of mobile terminal, use method of antenna and mobile terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210824 Address after: 518000 block B, building 1, feiyada clock building, hecang Road, Matian street, Guangming New District, Shenzhen City, Guangdong Province Applicant after: Shenzhen feiyada Precision Technology Co.,Ltd. Applicant after: SHENZHEN HOIN INTERNET TECHNOLOGY Co.,Ltd. Address before: 518102 No. 14-16, 16th floor, Xusheng R & D building, Xifa B, Gonghe Industrial Road, Xixiang street, Bao'an District, Shenzhen, Guangdong Applicant before: SHENZHEN HOIN INTERNET TECHNOLOGY Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |