CN114237024A - Smart watch and method for debugging antenna performance in smart watch - Google Patents
Smart watch and method for debugging antenna performance in smart watch Download PDFInfo
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- CN114237024A CN114237024A CN202010944519.0A CN202010944519A CN114237024A CN 114237024 A CN114237024 A CN 114237024A CN 202010944519 A CN202010944519 A CN 202010944519A CN 114237024 A CN114237024 A CN 114237024A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000004020 conductor Substances 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 238000013461 design Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G21/00—Input or output devices integrated in time-pieces
- G04G21/04—Input or output devices integrated in time-pieces using radio waves
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G17/00—Structural details; Housings
- G04G17/02—Component assemblies
- G04G17/04—Mounting of electronic components
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G17/00—Structural details; Housings
- G04G17/08—Housings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Details Of Aerials (AREA)
Abstract
The invention provides an intelligent watch and a method for debugging the performance of an antenna in the intelligent watch, wherein the intelligent watch comprises a watch shell, the watch shell comprises a bottom shell, a dial plate and a circular ring, and the bottom shell and the dial plate are fixed through the circular ring to form a cavity; the area of ring along circumference 1/4 is first circular arc, and the area of surplus 3/4 is the second circular arc, first circular arc or at least one side in the second circular arc is electrically conductive material to form the antenna. The antenna is formed in the circumferential area of the circular ring, so that the antenna is positioned on the periphery of the intelligent watch, and the receiving efficiency of the antenna can be improved; meanwhile, the circularly polarized antenna is formed by utilizing the conductive circular arc, so that the circularly polarized antenna can receive the data at a receiving end theoretically, the receiving efficiency of the antenna is further improved, and the positioning precision and time of the intelligent watch are further improved. The problem of how to further promote the performance of antenna in the intelligent wrist-watch is solved.
Description
Technical Field
The invention relates to the technical field of mobile communication, in particular to an intelligent watch and a method for debugging the performance of an antenna in the intelligent watch.
Background
With the development of mobile technology, many conventional electronic products begin to increase their functions in mobile aspects, such as watches that can only be used for watching time in the past, and nowadays, they can also be connected to the internet via a smart phone or a home network to display incoming messages, bluetooth interactions, or GPS positioning. The watch with information processing capability and meeting the basic technical requirements of the watch is commonly called as a smart watch.
In order to realize the wireless communication function of the smart watch, an essential element is an antenna. However, since the smart watch has a small volume and the effective space of the antenna is limited, the performance of the antenna is generally poor, and particularly after the smart watch is worn on the hand, the performance of the antenna is further reduced due to the influence of the head and the hand, and the user experience is seriously affected.
In order to improve the performance of the antenna, the antenna is usually disposed outside the watch dial in the prior art, so as to improve the transceiving performance of the antenna, or improve the performance of the antenna through a matching circuit. Although this approach can provide some improvement in antenna performance, the improvement is limited. Therefore, how to further improve the receiving efficiency of the antenna is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention aims to provide an intelligent watch and a method for debugging the performance of an antenna in the intelligent watch, so as to solve the problem of how to further improve the performance of the antenna in the intelligent watch.
In order to solve the technical problem, the invention provides an intelligent watch, which comprises a watch case, wherein the watch case comprises a bottom shell, a dial plate and a circular ring, and the bottom shell and the dial plate are fixed through the circular ring to form a cavity; the area of ring along circumference 1/4 is first circular arc, and the area of surplus 3/4 is the second circular arc, first circular arc or at least one side in the second circular arc is electrically conductive material to form the antenna.
Optionally, in the smart watch, the antenna is provided with a place and a feed point, respectively.
Optionally, in the smart watch, the smart watch further includes a circuit board, the circuit board is disposed in the cavity, and the circuit board is printed with a matching circuit, and the matching circuit is electrically connected to the antenna to allocate the antenna.
Optionally, in the smart watch, the matching circuit is an LC circuit.
Optionally, in the smart watch, the circuit board is further printed with a feed network, and the feed network is electrically connected to the antenna through the matching circuit to feed the antenna.
Optionally, in the smart watch, at least a top surface of the first arc or the second arc is made of metal to form a metal antenna.
Optionally, in the smart watch, all of the first arc or the second arc is made of metal.
In order to solve the technical problem, the invention further provides a method for debugging the performance of the antenna in the smart watch, wherein the method for debugging the performance of the antenna in the smart watch comprises the following steps:
respectively setting a feed point and a place at any position of the antenna;
electrically connecting the antenna with a feed network circuit through a matching circuit through the feed point and the place;
debugging the matching circuit to enable the receiving efficiency of the antenna to be the highest within the debugging range of the matching circuit;
and maintaining the matching circuit unchanged, and debugging the feed network to ensure that the receiving efficiency of the antenna is highest in the debugging range of the feed network.
Optionally, in the debugging method, the matching circuit is an LC circuit, and the method for debugging the matching circuit includes adjusting a value of a capacitance and/or an inductance in the LC circuit to change the receiving efficiency of the antenna.
Optionally, in the tuning method, the tuning method includes changing a position of the feeding point to change a connection position of the antenna and the feeding network.
The invention provides an intelligent watch and a method for debugging the performance of an antenna in the intelligent watch, wherein the intelligent watch comprises a watch shell, the watch shell comprises a bottom shell, a dial plate and a circular ring, and the bottom shell and the dial plate are fixed through the circular ring to form a cavity; the area of ring along circumference 1/4 is first circular arc, and the area of surplus 3/4 is the second circular arc, first circular arc or at least one side in the second circular arc is electrically conductive material to form the antenna. The antenna is formed on at least one surface of the area of the circular ring along the circumferential direction 1/4 or 3/4, so that the antenna is formed on the periphery of the smart watch, and the receiving efficiency of the antenna can be improved; meanwhile, a circular polarized antenna is formed by utilizing the circular ring, compared with the conventional design of the traditional linear polarized antenna, the circular polarized signal of the satellite can be lost by 3dB when being received by the linear polarized antenna, and the circular polarized antenna can achieve full-percent reception theoretically at a receiving end, so that the receiving efficiency of the antenna is further improved, and the positioning precision and time of the intelligent watch are further improved. The problem of how to further promote the performance of antenna in the intelligent wrist-watch is solved.
Drawings
Fig. 1 is a schematic diagram of a watchcase structure of a smart watch provided in this embodiment;
fig. 2 is a connection diagram of the matching circuit provided in this embodiment;
fig. 3 is a flowchart of a method for debugging the antenna performance of the smart watch according to this embodiment;
wherein the reference numerals are as follows:
100-a bottom shell; 200-a dial plate; 300-circular ring; 310-antenna.
Detailed Description
The smart watch and the method for debugging the performance of the antenna in the smart watch according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.
The present embodiment provides a smart watch, as shown in fig. 1, the smart watch includes a watch case including a bottom case 100, a dial 200, and a ring 300, the bottom case 100 and the dial 200 are fixed by the ring 300 to form a cavity; the area of the ring 300 along the circumferential direction 1/4 is a first arc, the remaining area 3/4 is a second arc, and at least one of the first arc or the second arc is made of a conductive material to form the antenna 310.
The structure of the smart watch provided in this embodiment is similar to that of an existing smart watch, and includes a watch body, a watch band, and the like, and is different from the smart watch in the prior art in that a conductive material is designed in a region of the ring 300 along the circumferential direction 1/4 or 3/4, and the antenna 310 is formed by the conductive material. The antenna formed in this way is in a circular arc shape, and the angles of the two ends of the antenna are different by 90 degrees, so that the circularly polarized antenna with 1/4-wavelength phase difference is formed. By forming the antenna 310 at least on the top surface in the region of the circular ring 300 along the circumferential direction 1/4 or 3/4, so that the antenna is formed on the periphery of the smart watch, the receiving efficiency of the antenna can be improved; meanwhile, a circular polarized antenna is formed by utilizing the circular ring, compared with the conventional design of the traditional linear polarized antenna, the circular polarized signal of the satellite can be lost by 3dB when being received by the linear polarized antenna, and the circular polarized antenna can achieve full-percent reception theoretically at a receiving end, so that the receiving efficiency of the antenna is further improved, and the positioning precision and time of the intelligent watch are further improved. The problem of how to further promote the performance of antenna in the intelligent wrist-watch is solved.
The antenna 310 shown in fig. 1 is formed along the circumferential direction 3/4 of the ring 300, i.e. in the range of 270 °, and in this embodiment, the whole ring in this area is made of metal material, such as copper. In other embodiments, the antenna may be formed by attaching an FPC antenna or by an LDS process, and the conductive material may be present only on the surface or in a partial depth range of the area where the circular ring forms the antenna. The present embodiment selects to form the antenna by directly using the copper metal in the area where the circular ring forms the antenna, and the rest area can be formed into the complete circular ring 300 by integral injection molding.
In the smart watch provided by this embodiment, the antenna is provided with place and feed point respectively. The point and the feeding point are disposed at both ends of the antenna 310, so that 1/4 wavelength phase difference can be precisely formed.
In order to realize the feeding and signal receiving and transmitting functions of the antenna, the intelligent watch further comprises a circuit main board, the circuit main board is arranged in the cavity, a matching circuit is printed on the circuit main board, and the matching circuit is electrically connected with the antenna and used for allocating the antenna.
Further, in this embodiment, the matching circuit is an LC circuit. As shown in fig. 2, the feeding point and the location of the antenna are connected to the matching circuit, and the performance of the antenna is optimized within a range by adjusting the values of the capacitance and the inductance in the matching circuit.
In addition, in this embodiment, the circuit board is further printed with a feeding network, and the feeding network is electrically connected to the antenna through the matching circuit to feed the antenna.
Specifically, be provided with the shell fragment on the antenna, be provided with on the circuit board with the shell fragment correspond the pad point of electrical contact, the intercommunication of components and parts is realized through the PWB line of circuit board again to the pad point to constitute matching circuit and feed network circuit. During installation, the antenna is in contact with the pad through the elastic sheet, and then is electrically communicated with the matching circuit and the feed network circuit.
The matching circuit shown in fig. 2 is the simplest matching circuit. In other embodiments, other matching circuits with better debugging effect may also be connected to further optimize the performance of the antenna. And the structural design, connection design, etc. of the matching circuit and the feed network may be different. Other designs of matching circuits and feed networks are within the scope of the invention without departing from the spirit of the invention.
In the matching circuit and the feeding network provided in this embodiment, as shown in fig. 2, the feeding network is connected to the antenna through the matching circuit. On the basis of the circularly polarized antenna provided by the embodiment, the matching circuit is added, so that the performance of the antenna can be further improved. Meanwhile, as the feed network is connected with the antenna through the matching circuit, partial circuit wiring can be omitted, wiring layout of a circuit main board can be saved, and partial space can be saved.
The embodiment also provides a method for debugging the performance of an antenna in a smart watch, as shown in fig. 3, the method for debugging includes:
s1, a feeding point and a ground point are respectively provided at arbitrary positions of the antenna. In this embodiment, two end points of the circularly polarized antenna are used as the feeding point and the location point.
And S2, electrically connecting the antenna with a feed network circuit through a matching circuit through the feed point and the place.
S3, debugging the matching circuit to make the receiving efficiency of the antenna be highest in the debugging range of the matching circuit. Specifically, in this embodiment, the matching circuit is an LC circuit, and the method for tuning the matching circuit includes adjusting a value of a capacitor and/or an inductor in the LC circuit to change the receiving efficiency of the antenna.
And S4, keeping the matching circuit unchanged, and debugging the feed network to ensure that the receiving efficiency of the antenna is the highest in the debugging range of the feed network. Specifically, the method for tuning the feed network includes changing the position of the feed point to change the connection position of the antenna and the feed network.
According to the method for debugging the performance of the antenna in the smart watch, the matching circuit is adjusted first, so that the performance of the antenna is optimal within the range of adjusting the matching circuit, and then the position of the feed network accessing the antenna, namely the position of the feed point, is adjusted, so that the performance of the antenna is optimal again within the adjustment range of the feed point. In this way, the performance of the antenna is optimized not only on the matching circuit, but also at the feed point by two adjustments.
Taking the antenna designed in this way as an example of a GPS antenna of a smart watch, the matching circuit is adjusted to make the feed waveform of the antenna conform to the GPS frequency band, i.e. to obtain the best resonance near 1575Mhz of the GPS antenna frequency band center frequency (here, it is not required that the waveform shows that the resonance occurs completely at 1575Mhz, as long as it is near that frequency, because the feed network also has some influence on the waveform). The characteristic impedance of the feed network is required to be the same as the real part of the impedance after the two end points of the antenna are matched, the phase difference is 90 degrees, or the characteristic impedance of the feed network enables a combined point of the two end points of the antenna after impedance transformation to obtain the same characteristic impedance at the GPS antenna frequency band central frequency 1575Mhz, the phase difference is 90 degrees, the feed network is designed to be combined to the same feed point, at the moment, feed is carried out at the combined feed point, and therefore the antenna can obtain the best resonance effect at the GPS antenna frequency band central frequency 1575 Mhz.
The GPS antenna provided by the embodiment can well offset and reduce the interference of environmental multipath effect and noise to the GPS signal, the positioning precision and time of the intelligent watch are improved, and the receiving efficiency of the GPS signal can be further improved by the circularly polarized antenna which is the same as a satellite.
In summary, the smart watch and the method for debugging the performance of the antenna in the smart watch provided by the embodiment include a watch case, where the watch case includes a bottom case, a dial plate and a ring, and the bottom case and the dial plate are fixed by the ring to form a cavity; the area of ring along circumference 1/4 is first circular arc, and the area of surplus 3/4 is the second circular arc, first circular arc or at least one side in the second circular arc is electrically conductive material to form the antenna. By forming the antenna on at least the top surface of the region of the circular ring along the circumferential direction 1/4 or 3/4, the antenna is formed on the periphery of the smart watch, and the receiving efficiency of the antenna can be improved; meanwhile, a circular polarized antenna is formed by utilizing the circular ring, compared with the conventional design of the traditional linear polarized antenna, the circular polarized signal of the satellite can be lost by 3dB when being received by the linear polarized antenna, and the circular polarized antenna can achieve full-percent reception theoretically at a receiving end, so that the receiving efficiency of the antenna is further improved, and the positioning precision and time of the intelligent watch are further improved. The problem of how to further promote the performance of antenna in the intelligent wrist-watch is solved.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (10)
1. An intelligent watch, comprising a watch case, wherein the watch case comprises a bottom shell, a dial plate and a ring, and the bottom shell and the dial plate are fixed through the ring to form a cavity; the area of ring along circumference 1/4 is first circular arc, and the area of surplus 3/4 is the second circular arc, first circular arc or at least one side in the second circular arc is electrically conductive material to form the antenna.
2. Smart watch according to claim 1, characterised in that said antenna is provided with a place and a feed point, respectively.
3. The smart watch of claim 1, further comprising a circuit board disposed in the cavity, wherein the circuit board is printed with a matching circuit, and the matching circuit is electrically connected to the antenna for matching the antenna.
4. The smart watch of claim 3, wherein the matching circuit is an LC circuit.
5. The smart watch of claim 3, wherein the circuit board is further printed with a feeding network, and the feeding network is electrically connected with the antenna through the matching circuit to feed the antenna.
6. The smartwatch of claim 1, wherein at least a top surface of the first arc or the second arc is metal to form a metal antenna.
7. The smartwatch of claim 6, wherein the first arc or the second arc is entirely metal.
8. A method for debugging the performance of an antenna in a smart watch according to any one of claims 1 to 7, characterized in that said method comprises:
respectively setting a feed point and a place at any position of the antenna;
electrically connecting the antenna with a feed network circuit through a matching circuit through the feed point and the place;
debugging the matching circuit to enable the receiving efficiency of the antenna to be the highest within the debugging range of the matching circuit;
and maintaining the matching circuit unchanged, and debugging the feed network to ensure that the receiving efficiency of the antenna is highest in the debugging range of the feed network.
9. The debugging method according to claim 8, wherein the matching circuit is an LC circuit, and the debugging method comprises adjusting values of capacitance and/or inductance in the LC circuit to change the receiving efficiency of the antenna.
10. The tuning method according to claim 8, wherein the tuning method comprises changing a position of the feeding point to change a connection position of the antenna with the feeding network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944519.0A CN114237024A (en) | 2020-09-10 | 2020-09-10 | Smart watch and method for debugging antenna performance in smart watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010944519.0A CN114237024A (en) | 2020-09-10 | 2020-09-10 | Smart watch and method for debugging antenna performance in smart watch |
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| CN114237024A true CN114237024A (en) | 2022-03-25 |
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| CN202010944519.0A Pending CN114237024A (en) | 2020-09-10 | 2020-09-10 | Smart watch and method for debugging antenna performance in smart watch |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659493A (en) * | 2015-03-10 | 2015-05-27 | 上海艺时网络科技有限公司 | Metal ring-slot antenna and wireless terminal |
| CN105789822A (en) * | 2016-03-14 | 2016-07-20 | 成都天奥电子股份有限公司 | Intelligent watch antenna and intelligent watch composed of same |
| CN107546461A (en) * | 2016-06-23 | 2018-01-05 | 华为终端（东莞）有限公司 | The near-field communication aerial and the wearable product of intelligence of a kind of wearable product of intelligence |
| CN207183537U (en) * | 2017-08-23 | 2018-04-03 | 深圳市天威讯无线技术有限公司 | Stratum prolonged type intelligent watch antenna mechanism |
| CN208797169U (en) * | 2018-10-31 | 2019-04-26 | 广东小天才科技有限公司 | Intelligence wearing equipment with antenna structure |
| CN212302231U (en) * | 2020-09-10 | 2021-01-05 | 昆山亿趣信息技术研究院有限公司 | Intelligent watch |
-
2020
- 2020-09-10 CN CN202010944519.0A patent/CN114237024A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659493A (en) * | 2015-03-10 | 2015-05-27 | 上海艺时网络科技有限公司 | Metal ring-slot antenna and wireless terminal |
| CN105789822A (en) * | 2016-03-14 | 2016-07-20 | 成都天奥电子股份有限公司 | Intelligent watch antenna and intelligent watch composed of same |
| CN107546461A (en) * | 2016-06-23 | 2018-01-05 | 华为终端（东莞）有限公司 | The near-field communication aerial and the wearable product of intelligence of a kind of wearable product of intelligence |
| CN207183537U (en) * | 2017-08-23 | 2018-04-03 | 深圳市天威讯无线技术有限公司 | Stratum prolonged type intelligent watch antenna mechanism |
| CN208797169U (en) * | 2018-10-31 | 2019-04-26 | 广东小天才科技有限公司 | Intelligence wearing equipment with antenna structure |
| CN212302231U (en) * | 2020-09-10 | 2021-01-05 | 昆山亿趣信息技术研究院有限公司 | Intelligent watch |
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