The present disclosure relates to the field of watch technologies, and in particular, to a new type of antenna watch.
With the development and progress of mobile communication systems, the functions of watches are becoming more and more diversified, the watches provide a user with a lot of convenience. Many existing watches use GPS antennas to receive satellite signals and amplify them to process chips. Therefore, those with this function do not lack a part, as the receiving demand requires conductor materials to extend the wavelength and frequency amplification of this part.
At present, there are generally the following types of receiving antennas.
LDS antenna: a conductor developed from plastic after laser engraving is used as the antenna, and the rest of the part remains non-conductive and does not interfere with its signal. The disadvantage is that the process is complex, and the cost is high; this product has a strong plastic feel and no texture; due to the plastic material, the overall strength of the watch body is insufficient.
FPC and external antenna: adding conductors suitable for the corresponding wavelength inside the plastic shell as antennas has the disadvantage of large volume and require specific external dimensions, otherwise it is difficult to process. This product has a strong plastic feel and no texture. Due to the plastic material, the overall strength of the watch body is insufficient. And because the frequency band required for GPS reception is mostly ultra-low frequency, which requires ultra long bandwidth, and the small size of wearable devices, it is difficult to meet practical requirements by using externally attached conductors.
Ceramic antenna: it has advantages of achievable performance but dual frequency requirements. The disadvantage thereof is that the case cannot be made of metal, otherwise it will shield the reception of the ceramic antenna, and it is high cost.
In order to meet the demand for reducing the cost of receiving antennas and improving the strength of a watch body, the present application provides a new type of antenna watch.
The antenna watch provided in this application adopts the following technical solution.
An antenna watch, including a watch case, a watch cover, a bottom case, and a circuit module, where the watch cover is fixedly provided on one side of the watch case, the bottom case is fixedly provided on the other side of the watch case, the circuit module is provided inside the watch case, and a display screen is provided between the watch case and the watch cover;
By adopting the above technical solution, when the ground feeding point is disconnected from the metal case in an appropriate manner, it will change an original continuous flow path of current on the annular conductor. The originally uniformly distributed current state inside the metal case is broken, thereby forming specific current boundary conditions at a disconnection point, which causes the current to form different distribution situations on two sides of the disconnection, guiding the current to be distributed in a way that is conducive to resonance at the wavelength frequency points corresponding to L1 and L5 frequency bands.
Due to the understanding of the size of the metal case, combined with the adjustment of the current distribution and equivalent inductance and capacitance after the ground feeding point is disconnected, the antenna can meet the resonance condition in this frequency band, that is, the input impedance is close to pure resistance, thereby achieving good matching with the feeding network, and effectively radiating and receiving electromagnetic waves corresponding to the L1 and L5 frequency bands, achieving the goal of covering the wavelength frequency points of this frequency band.
In some embodiments of the present application, the second cover is provided with a ground feeding point, a first antenna part, and a second antenna part; the first antenna part and the second antenna part are disconnected through the ground feeding point; the first antenna part and the second antenna part are provided with a feeding terminal; the first antenna part receives a L5 frequency, and the second antenna part receives a L1 frequency.
In some embodiments of the present application, a material of the second cover is one of copper, stainless steel, aluminum, nickel plating and/or gold plating material.
In some embodiments of the present application, a first sealing ring is provided between the watch cover and the display screen, and the first sealing ring is fixedly provided on the watch cover and abuts against the display screen.
In some embodiments of the present application, a connection ring is fixedly provided on one side of the display screen, a thickness of the connection ring is smaller than that of the display screen, the first sealing ring abuts against the connection ring, the watch cover is provided with a display groove that is penetrated, and one side of the display screen abuts against with a groove body of the display groove.
In some embodiments of the present application, a second sealing ring is provided between the watch case and the watch cover, and the second sealing ring is fixedly provided on the watch case or the watch cover and abuts against the watch cover or the watch case.
In some embodiments of the present application, a third sealing ring is provided between the first cover and the second cover, and the third sealing ring is fixedly provided on the first cover or the second cover and abuts against the second cover or the first cover.
In some embodiments of the present application, a fourth sealing ring is provided between the watch case and the bottom case, and the fourth sealing ring is fixedly provided on the watch case or the bottom case and abuts against the bottom case or the watch case.
In summary, this application includes at least one beneficial technical effect as follows.
When the ground feeding point is disconnected from the metal case in an appropriate manner, it will change an original continuous flow path of current on the annular conductor. The originally uniformly distributed current state inside the metal case is broken, thereby forming specific current boundary conditions at a disconnection point, which causes the current to form different distribution situations on two sides of the disconnection, guiding the current to be distributed in a way that is conducive to resonance at the wavelength frequency points corresponding to L1 and L5 frequency bands.
Due to the understanding of the size of the metal case, combined with the adjustment of the current distribution and equivalent inductance and capacitance after the ground feeding point is disconnected, the antenna can meet the resonance condition in this frequency band, that is, the input impedance is close to pure resistance, thereby achieving good matching with the feeding network, and effectively radiating and receiving electromagnetic waves corresponding to the L1 and L5 frequency bands, achieving the goal of covering the wavelength frequency points of this frequency band.
Numeral reference: 1—watch case; 11—button slot; 111—button body; 112—button spring; 12—power module; 13—charging rod; 14—loudspeaker; 15—connection block; 151—connection hole; 16—second sealing groove; 17—fourth sealing groove; 2—watch cover; 20—display groove; 21—first cover; 210—fixing hole; 211—fixing screw; 212—protective ring; 22—second cover; 221—third sealing groove; 222—ground feeding point; 223—first antenna part; 224—second antenna part; 2231—feeding terminal; 3—bottom case; 31—charging hole; 32—loudspeaker hole; 4—circuit module; 5—display screen; 51—connection ring; 61—first sealing ring; 62—second sealing ring; 63—third sealing ring; 64—fourth sealing ring.
Further detailed explanation of the present application will be provided in combination with
The present application discloses a novel antenna watch. Referring to
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The second cover 22 is provided with a ground feeding point 222, a first antenna part 223, and a second antenna part 224. The first antenna part 223 and the second antenna part 224 are disconnected through the ground feeding point 222. The first antenna part 223 and the second antenna portion 224 are provided with a feeding terminal 2231; the feeding terminal 2231 receives satellite information. The first antenna part 223 receives a L5 frequency, and the second antenna part 224 receives a L1 frequency.
The design of the first antenna part 223 receiving the L5 frequency and the second antenna unit 224 receiving the L1 frequency can simultaneously receive satellite signals from two bands with higher accuracy.
Thus, achieving the following technical effects: by using the case as the receiving antenna eliminates the need for additional antenna costs; metal material renders its products more sturdy; the case, as an antenna, maximizes the reduction of electromagnetic wave interference from internal electronic components of wearable devices; and it is not constrained by the form of wearable devices.
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The implementation principle of the antenna watch in the present application is that when the ground feeding point 222 is disconnected from the metal casing in an appropriate manner, it will change an original continuous flow path of current on the annular conductor. The originally uniformly distributed current state inside the metal case is broken, thereby forming specific current boundary conditions at a disconnection point, which causes the current to form different distribution situations on two sides of the disconnection, guiding the current to be distributed in a way that is conducive to resonance at the wavelength frequency points corresponding to L1 and L5 frequency bands.
Due to the understanding of the size of the metal case, combined with the adjustment of the current distribution and equivalent inductance and capacitance after the ground feeding point 222 is disconnected, the antenna can meet the resonance condition in this frequency band, that is, the input impedance is close to pure resistance, thereby achieving good matching with the feeding network, and effectively radiating and receiving electromagnetic waves corresponding to the L1 and L5 frequency bands, achieving the goal of covering the wavelength frequency points of this frequency band.
The above are the preferred embodiments of the present application and do not limit the protection scope of the present application. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Number | Name | Date | Kind |
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7215600 | DeRosa | May 2007 | B1 |
9612582 | Wang | Apr 2017 | B1 |
11095021 | Sung | Aug 2021 | B2 |
20230048160 | Navellou | Feb 2023 | A1 |