CN110350294B - Wearable electronic equipment - Google Patents

Wearable electronic equipment Download PDF

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Publication number
CN110350294B
CN110350294B CN201910612494.1A CN201910612494A CN110350294B CN 110350294 B CN110350294 B CN 110350294B CN 201910612494 A CN201910612494 A CN 201910612494A CN 110350294 B CN110350294 B CN 110350294B
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CN
China
Prior art keywords
antenna
frame
signals
wearable electronic
signal
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Active
Application number
CN201910612494.1A
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Chinese (zh)
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CN110350294A (en
Inventor
向元彬
彭致勇
姚坤
龙卫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Realme Chongqing Mobile Communications Co Ltd
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Realme Chongqing Mobile Communications Co Ltd
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Priority to CN201910612494.1A priority Critical patent/CN110350294B/en
Publication of CN110350294A publication Critical patent/CN110350294A/en
Application granted granted Critical
Publication of CN110350294B publication Critical patent/CN110350294B/en
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    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G17/00Structural details; Housings
    • G04G17/02Component assemblies
    • G04G17/04Mounting of electronic components
    • GPHYSICS
    • G04HOROLOGY
    • G04RRADIO-CONTROLLED TIME-PIECES
    • G04R60/00Constructional details
    • G04R60/04Antennas attached to or integrated in watch bracelets
    • GPHYSICS
    • G04HOROLOGY
    • G04RRADIO-CONTROLLED TIME-PIECES
    • G04R60/00Constructional details
    • G04R60/06Antennas attached to or integrated in clock or watch bodies
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/27Adaptation for use in or on movable bodies
    • H01Q1/273Adaptation for carrying or wearing by persons or animals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00Antenna arrays or systems
    • H01Q21/28Combinations of substantially independent non-interacting antenna units or systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/10Resonant antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H01Q5/28Arrangements for establishing polarisation or beam width over two or more different wavebands
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/328Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors between a radiating element and ground

Abstract

The application provides a wearable electronic equipment, including display part, first antenna, second antenna and third antenna, the display part includes first frame and second frame, and second frame and first frame looks interval. The first antenna is used for receiving and transmitting 5G signals, the second antenna and the first antenna are arranged on the first frame at intervals, the second antenna is used for receiving and transmitting at least one of GPS signals and Wi-Fi signals, the third antenna is arranged on the second frame, and the third antenna is used for receiving and transmitting Long Term Evolution (LTE) signals. The utility model provides a wearing formula electronic equipment passes through first antenna receiving and dispatching 5G signal, and at least one in second antenna receiving and dispatching GPS signal and the Wi-Fi signal, third antenna receiving and dispatching long term evolution LTE signal for wearing formula electronic equipment can receive and dispatch multiple different signals, and simultaneously, the mutual interference between a plurality of antennas can be avoided in the interval setting of three antenna.

Description

Wearable electronic equipment
Technical Field
The application relates to the technical field of electronic equipment, in particular to wearable electronic equipment.
Background
With the development of communication technology, people increasingly and widely use wearable electronic equipment such as bracelets, smart watches in daily life. The antenna is a main electronic component for realizing the communication or interaction function of the wearable electronic device, and is also one of indispensable electronic components. Different functions are realized by arranging different antennas inside the wearable electronic equipment, and how to reduce mutual interference among a plurality of antennas is the current research subject.
Disclosure of Invention
The application provides a wearable electronic device to solve the above problems.
The embodiment of the application realizes the aim through the following technical scheme.
The embodiment of the application provides a wearable electronic equipment, including wearing portion, a display part, first antenna, second antenna and third antenna, display portion includes first frame and second frame, second frame and first frame looks interval, first antenna is used for receiving and dispatching 5G signal, second antenna and first antenna interval set up in first frame, the second antenna is arranged in at least one of receiving and dispatching GPS signal and Wi-Fi signal, the third antenna sets up in the second frame, the third antenna is used for receiving and dispatching long term evolution LTE signal.
In one embodiment, the first antenna includes a plurality of millimeter wave antenna elements, and the plurality of millimeter wave antenna elements are arranged in an array.
In one embodiment, the plurality of millimeter wave antenna units are arranged at intervals along the extending direction of the first frame to form a linear array.
In an embodiment, the third antenna includes a first radiation branch and a second radiation branch, and the first radiation branch and the second radiation branch are respectively used for transceiving long term evolution LTE signals of different frequency bands.
In one embodiment, the first frame and the second frame are metal frames, the display portion includes a middle frame plate, and the first frame and the second frame are connected to an edge of the middle frame plate.
In one embodiment, the first frame and the middle frame plate are spaced apart to form two first spaced gaps, the first frame is provided with two first through gaps penetrating through the first frame, and the two first through gaps are spaced apart and respectively communicated with the first spaced gaps to form a first antenna and a second antenna on the first frame.
In one embodiment, the second frame is spaced apart from the middle frame plate to form a second spaced gap, the second frame is provided with a second through gap penetrating through the second frame, and the second through gap is communicated with the second spaced gap to form a third antenna on the second frame.
In one embodiment, the wearable electronic device is further provided with a first frequency band switching circuit and a second frequency band switching circuit, wherein the first frequency band switching circuit is connected to the first antenna to switch a receiving and transmitting frequency band of a 5G signal of the first antenna; the second frequency band switching circuit is connected to the third antenna to switch the transceiving frequency band of the Long Term Evolution (LTE) signal of the third antenna.
In one embodiment, at least one of the first antenna and the second antenna is exposed to the first frame.
In one embodiment, the first frame is a non-metal frame, and the first antenna and the second antenna are disposed in the display unit and attached to the first frame.
The utility model provides a wearing formula electronic equipment passes through first antenna receiving and dispatching 5G signal, and at least one in second antenna receiving and dispatching GPS signal and the Wi-Fi signal, third antenna receiving and dispatching long term evolution LTE signal for wearing formula electronic equipment can receive and dispatch multiple different signals, and simultaneously, the interval of three antenna sets up and can avoid the interference between a plurality of antennas.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wearable electronic device according to an embodiment of the present application.
Fig. 2 is a cross-sectional view of a wearable electronic device provided in an embodiment of the present application.
Fig. 3 is a cross-sectional view of another wearable electronic device provided in an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a display portion of a wearable electronic device according to an embodiment of the present application.
Fig. 5 is a schematic structural diagram of another wearable electronic device provided in the embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, an embodiment of the present application provides a wearable electronic device 100, where the wearable electronic device 100 may be, but is not limited to, an electronic device such as a bracelet, a smart watch, and a wireless headset. The wearable electronic device 100 according to the embodiment of the present application is described by taking a smart watch as an example.
Referring to fig. 1 and 2, the wearable electronic device 100 includes a display portion 110, a first antenna 120, a second antenna 130, a third antenna 140, and a wearing portion 170, the display portion 110 is disposed on the wearing portion 170, the display portion 110 includes a first frame 111 and a second frame 112, the second frame 112 is spaced apart from the first frame 111, the first antenna 120 and the second antenna 130 are spaced apart from the first frame 111, the third antenna 140 is disposed on the second frame 112, the first antenna 120 is configured to receive and transmit a 5G signal, the second antenna 130 is configured to receive and transmit at least one of a GPS signal and a Wi-Fi signal, and the third antenna 140 is configured to receive and transmit a long term evolution LTE signal.
The display portion 110 may be used for displaying an image by the wearable electronic device 100, or simultaneously displaying an image and performing human-computer interaction by a user, for example, the user may perform a touch operation through the display portion. In some embodiments, the display portion 110 may be formed by a hard housing, for example, the display portion 110 includes a display screen and a hard housing, the display screen is mounted on the hard housing and jointly forms the display portion 110, and the frame is formed on the periphery of the housing around the display screen. In some embodiments, the display portion 110 may be a flexible display screen, and the bezel is formed around the display portion 110. In some embodiments, the display module is disposed inside a transparent material to form the display portion 110, and the frame is formed around the display module.
The display unit 110 may be provided on the wearing portion 170, and the display unit 110 may be connected to the wearing portion 170, or the display unit 110 may be fixed to the wearing portion 170, for example, when at least a part of the wearing portion 170 is made of a light-transmitting material, a part of the display unit 110 that is built in the wearing portion 170 may be made of a light-transmitting material, or the display unit 110 may be directly provided on a surface of the wearing portion 170 and exposed.
The LTE signal is a long term evolution LTE signal transmitted based on UMTS (Universal Mobile Telecommunications System) technical standard established by 3GPP (The 3rd Generation Partnership Project) organization, and is used for accessing a wireless communication network to implement wireless communication. The LTE signal of long term evolution can be divided into a low frequency band (LB), a medium frequency band (MB), and a High frequency band (HB), wherein the LB includes a frequency range of 700MHz to 960MHz, the MB includes a frequency range of 1710MHz to 2170MHz, and the HB includes a frequency range of 2300MHz to 2690 MHz; the Wi-Fi signals are signals which are wirelessly transmitted based on a Wi-Fi technology and are used for accessing a wireless local area network to realize network communication, and the Wi-Fi signals comprise Wi-Fi signals with the frequencies of 2.4GHz and 5 GHz; a GPS signal (Global Positioning System) having a frequency range of 1.2GHz to 1.6 GHz; the 5G signals are used for accessing a wireless communication network to realize wireless communication, and the 5G signals at least comprise 5G signals with the frequency ranges of N78(3.3 GHz-3.6 GHz) and N79(4.8 GHz-5 GHz).
According to the wearable electronic device 100 provided by the embodiment of the application, the first antenna 120, the second antenna 130 and the third antenna 140 which are arranged at intervals can enable the wearable electronic device 100 to receive and transmit different signals, and further the communicable range of the wearable electronic device 100 is expanded. First antenna 120, second antenna 130 and third antenna 140 set up at looks spaced first frame 111 and second frame 112, ensure that first antenna 120, second antenna 130 and third antenna 140 separate each other, increase the isolation between the three and can receive and transmit signals steadily, and then realize that wearable electronic equipment 100 receives and dispatches long term evolution LTE signal and 5G signal simultaneously.
Specifically, as shown in fig. 2, in the present embodiment, the display portion 110 further includes a connection frame 113 and a middle frame plate 114, the first frame 111 and the second frame 112 are surrounded on the edge of the middle frame plate 114 and connected to the middle frame plate 114, the number of the connection frames 113 is two, the two connection frames 113 are oppositely disposed at intervals and respectively connected between the first frame 111 and the second frame 112, and the first frame 111, the connection frame 113, the second frame 112, and the connection frame 113 are sequentially connected end to end and surrounded to form a substantially frame-shaped structure.
Referring to fig. 1, in the present embodiment, the display portion 110 includes a display surface 117 and a bottom case 118 opposite to the display surface 117, the display surface 117 is disposed on the same side of the first frame 111 and the second frame 112, and the bottom case 118 is disposed on the same side of the first frame 111 and the second frame 112. The display surface 117 may be a touch display surface, and the display surface 117, the first frame 111, the second frame 112, the connecting frame 113, and the middle frame plate 114 together enclose a receiving space in which the electronic component is received. The first frame 111 and the second frame 112 are respectively disposed on two sides of the display surface 117 at parallel intervals, that is, the first frame 111 and the second frame 112 are disposed at parallel intervals.
In the present embodiment, the first frame 111 and the second frame 112 are both metal frames, and may be made of, for example, aluminum alloy, stainless steel, titanium alloy, or other materials.
Referring to fig. 2, in the present embodiment, the first antenna 120 and the second antenna 130 are both slot antennas. Specifically, the first frame 111 and the middle frame plate 114 are spaced apart from each other to form two first spaced slots 1152, wherein the two first spaced slots 1152 are spaced apart from each other, the first frame 111 is provided with two first through slots 1151 penetrating through the first frame 111, the two first through slots 1151 are respectively disposed at two ends of the first frame 111, the two first through slots 1151 are respectively communicated with the two first spaced slots 1152 to form the first antenna 120 and the second antenna 130 on the first frame 111, and simultaneously, the first antenna 120 and the second antenna 130 are both grounded.
In the present embodiment, the second antenna 130 is used for transceiving GPS signals and Wi-Fi signals.
The first spacing slot 1152 is communicated with the first through slot 1151 to form the first antenna 120 and the second antenna 130 on the first frame 111, and the first antenna 120 and the second antenna 130 are directly exposed, so that interference of internal electronic devices is avoided, and the strength of the first antenna 120 and the second antenna 130 for transmitting and receiving signals is increased. In terms of process and cost, the first antenna 120, the second antenna 130, and the third antenna 140 are formed on a metal frame, and are all made of metal, so that the process of additionally arranging a separate antenna inside the wearable electronic device 100 can be reduced by forming the antennas, and the production cost of the wearable electronic device 100 is reduced.
The first and second parts are for convenience of description only and are not limiting; the slit width in the figure is only a schematic width and does not represent the actual slit width; and the slot lengths in the figures are only schematic lengths and do not represent actual slot lengths.
In this embodiment, the end of the first antenna 120 away from the second antenna 130 faces one of the first through slots 1151 and forms a radiation end, the end of the second antenna 130 away from the first antenna 120 faces the other first through slot 1151 and forms a radiation end, and when the first antenna 120 and the second antenna 130 transmit and receive signals, the radiation intensity of the two antennas at the radiation end is high and electromagnetic waves can be radiated and received through the first through slot 1151.
By disposing the radiating end of the first antenna 120 and the radiating end of the second antenna 130 as far away as possible, the isolation between the first antenna 120 and the second antenna 130 can be increased, and thus the signal interference between the two can be reduced or avoided. The end of the first antenna 120 close to the second antenna 130 is grounded, the end of the second antenna 130 close to the first antenna 120 is grounded, and the ground end of the first antenna 120 is far away from the radiation end of the first antenna 120, so that the interference of the ground end to the signal of the first antenna 120 can be reduced, and the radiation efficiency of the first antenna 120 can be further improved. Similarly, the ground end of the second antenna 130 is far from the radiation end of the second antenna 130, so that the interference of the ground end to the signal of the second antenna 130 can be reduced, and the radiation efficiency of the second antenna 130 can be improved.
In some embodiments, the grounding positions of the first antenna 120 and the second antenna 130 may also be adjusted according to actual requirements.
Referring to fig. 2, in the present embodiment, the third antenna 140 may also be a slot antenna having the same structure as the first antenna 120. Specifically, the second frame 112 and the middle frame plate 114 are spaced apart from each other to form a second gap 1162, the second frame 112 is provided with a second through gap 1161 penetrating through the second frame 112, and the second gap 1162 is communicated with the second through gap 1161 to form the third antenna 140 on the second frame 112.
In the present embodiment, the second through slot 1161 separates the third antenna 140 from the second frame 112, the second through slot 1161 makes the second frame 112 substantially form a first portion and a second portion spaced apart from each other, the second through slot 1162 is located between the middle frame plate 114 and the first portion of the second frame 112, the second through slot 1161 is communicated with the second through slot 1162, so that the first portion of the second frame 112 forms the third antenna 140 substantially independent from the middle frame plate 114, and the length of the second through slot 1162 is substantially the same as that of the third antenna 140.
The second gap 1162 is communicated with the second through gap 1161 to form the third antenna 140 on the second frame 112, and the third antenna 140 is directly exposed, so that interference of internal electronic devices is avoided, and the strength of the third antenna 140 for transmitting and receiving signals is increased. In terms of process and cost, the antenna formed in this way reduces the process of additionally arranging the radiator inside the wearable electronic device 100, and reduces the production cost of the wearable electronic device 100.
In some embodiments, as shown in fig. 3, the third antenna 140 includes a first radiation branch 141 and a second radiation branch 142, the first radiation branch 141 and the second radiation branch 142 are both formed on the second frame 112, the first radiation branch 141 is used for transceiving a low-frequency radio frequency signal of LTE, and the second radiation branch 142 is used for transceiving a medium-frequency radio frequency signal.
For example, there may be three second through slits 1161, three second through slits 1161 are disposed between the second frames 112 at intervals and are all communicated with the second through slits 1162, and the first radiation branch 141 and the second radiation branch 142 are respectively located between the adjacent second through slits 1161. The lengths of the first radiating branch 141 and the second radiating branch 142 are not limited herein, for example, the length of the first radiating branch 141 may be λ/4 or 3 λ/4 of an operating frequency band of the third antenna 140 when receiving and transmitting a low-frequency radio frequency signal of LTE, or may be other lengths, which only needs to satisfy a frequency band where the third antenna 140 receives and transmits a signal.
The third antenna 140 is used for receiving and transmitting the low-frequency radio frequency signal of the long term evolution LTE and the medium-high frequency radio frequency signal of the long term evolution LTE through the first radiation branch 141 and the second radiation branch 142, so that the situation that the radiation bodies are blocked by a user and the antenna signals cannot be radiated can be avoided, and the radiation efficiency of the antenna signals can be improved.
In some embodiments, the third antenna 140 can also simultaneously transmit and receive low, medium, and high frequency rf signals through the first radiating branch 141 or the second radiating branch 142.
By arranging the first antenna 120, the second antenna 130 and the third antenna 140, the first antenna 120 is used for transceiving a 5G signal, the third antenna 140 is used for transceiving a long term evolution LTE signal, and the second antenna 130 is used for transceiving at least one of a GPS signal and a Wi-Fi signal, so that the wearable electronic device 100 can at least transceive three different signals, and the three antennas are respectively arranged at different positions of the display portion 110 to avoid interference between the three.
In some embodiments, the first spacing gap 1152, the second spacing gap 1162, the first through gap 1151 and the second through gap 1161 may be filled with an insulating medium, so as to enhance the connection structural strength between the first antenna 120 and the second antenna 130 and the display portion 110, and the connection structural strength between the third antenna 140 and the display portion 110, thereby enhancing the overall strength of the first antenna 120, the second antenna 130 and the third antenna 140, and also increasing the overall strength of the display portion 110. The filled insulating medium can be plastic or rubber or other non-conductive materials, and the two can be fixed by injection molding and integral molding.
In some embodiments, the first frame 111 and the second frame 112 may be both non-metal frames, and the first antenna 120, the second antenna 130, and the third antenna 140 are formed on the non-metal frames by using a metal material. For example, the first frame 111 and the second frame 112 may be made of plastic or rubber. The first antenna 120, the second antenna 130, and the third antenna 140 may be configured as non-slot antennas, for example, the first antenna 120 and the second antenna 130 may be directly disposed in the display portion 110 and attached to the first frame 111, and the third antenna 140 may be disposed in the display portion 110 and attached to the second frame 112 without being exposed.
Specifically, each of the first frame 111 and the second frame 112 may be provided with a mounting groove (not shown in the drawings), and the first antenna 120, the second antenna 130, and the third antenna 140 are respectively received in the corresponding mounting grooves, for example, the mounting grooves may be disposed on inner side surfaces or end surfaces of the first frame 111 and the second frame 112, wherein the inner side surfaces define a receiving space; the end surface refers to a surface along the thickness direction of the first frame 111. Conductive contacts (not shown) may be disposed in the mounting groove, and the first antenna 120, the second antenna 130, and the third antenna 140 may be coupled to the feed point of the circuit board through the conductive contacts, so that the first antenna 120 and the second antenna 130 are disposed in the first frame 111, and the third antenna 140 is disposed in the second frame 112, which may protect the antennas and improve the appearance of the antenna.
In some embodiments, one of the first frame 111 and the second frame 112 is a non-metal frame, and the other is a metal frame, for example, the first frame 111 is a metal frame, and the second frame 112 is a non-metal frame, wherein the first frame 111 and the second frame 130 can be formed by opening a slot, and the third antenna 140 can be directly embedded in the second frame 112.
In some embodiments, the first antenna 120, the second antenna 130, and the third antenna 140 may also be formed or connected to the first frame 111 and the second frame 112 by using a Laser Direct Structuring (LDS), a Direct printing technology (PDS), a Flexible printed circuit board (Flexible printed circuit), and the like, which are not described herein again.
In some embodiments, at least one of the first antenna 120 and the second antenna 130 may be disposed on an outer surface of the first frame 111, for example, the first antenna 120 and the third antenna 130 may be disposed on an outer surface of the first frame 111 at the same time, wherein a decoration piece may be disposed on the outer surface of the first frame 111, the decoration piece is exposed on a surface of the display portion 110, and the first antenna 120 and the third antenna 130 are integrated into the decoration piece. The decorative element may be a specific pattern made of a metallic material (e.g., a product logo, or other pattern). This reduces interference of the electronic device inside the display unit 110 with the first antenna 120 and the third antenna 130, and increases radiation efficiency of the first antenna and the third antenna.
In some embodiments, as shown in fig. 4, the first antenna 120 includes a plurality of millimeter wave antenna units 121, and the plurality of millimeter wave antenna units 121 are disposed in an array, wherein the plurality of millimeter wave antenna units 121 are disposed in a linear array on the first frame 111. The millimeter wave antenna unit 121 may be a patch antenna, and is attached to the inner surface or the outer surface of the first frame 111, and the plurality of patch antennas are arranged in an array. The millimeter wave antenna unit 121 may also be a slot antenna, a plurality of slots are formed on the surface of the first frame 111, the slot antennas are arranged in an array, and the distance between two adjacent millimeter wave antenna units may be greater than or equal to 1/2 wavelengths, so as to reduce performance degradation caused by mutual coupling.
The millimeter wave refers to electromagnetic wave with frequency in the range of 30 GHz-300 GHz, and the corresponding wavelength range is 1 mm-10 mm. Since the wavelength of the millimeter wave is short, the transmission process is easily hindered, and the transceiving performance of the first antenna 120 is effectively enhanced by arranging the plurality of millimeter wave antenna units 121 at intervals.
In some embodiments, a plurality of through grooves may be formed in the surface of the first frame 111, and since the wavelength of the millimeter wave is short, the physical size of the antenna unit 121 is small, and a plurality of millimeter wave antenna units may be directly embedded in the through grooves.
Further, the array arrangement may be a matrix array or a linear array, for example, the plurality of millimeter wave antenna units 121 may be disposed at intervals along the extending direction of the first frame 111 to form the linear array, the extending direction of the first frame 111 refers to the length direction of the first frame 111, when a user holds the mobile phone, for example, when the user blocks a part of the millimeter wave antenna units 121, the first antenna 120 may transmit and receive signals through other millimeter wave antenna units 121 that are not blocked, so as to reduce interference with the first antenna 120 when the user holds the mobile phone.
In some embodiments, the array arrangement may also be an arrangement forming a specific pattern, such as a circle, a square, an ellipse, a triangle, or any other arbitrary shape, which is not limited herein.
Referring to fig. 2 again, in the present embodiment, the wearable electronic device 100 further includes a first frequency band switching circuit 150 and a second frequency band switching circuit 160, the first frequency band switching circuit 150 is connected to the first antenna 120, the second frequency band switching circuit 160 is connected to the third antenna 140, and the first frequency band switching circuit 150 is configured to switch a transceiving frequency band of a 5G signal of the first antenna 120; the second band switching circuit 160 is configured to switch a transceiving band of the long term evolution LTE signal of the third antenna 140.
Specifically, the first band switching circuit 150 may include a switch, a first matching circuit and a second matching circuit, wherein the switch is selectively connected to the first matching circuit and the second matching circuit to switch the first antenna 120 to transmit and receive 5G signals of different bands. The switch may be a single-pole two-throw switch, the first matching circuit and the second matching circuit are capacitors having different capacitance values, the moving end of the switch is connected to the frequency band switching point of the first antenna 120, and the stationary end of the switch is grounded. The second band switching circuit 160 may include a switch, a first matching circuit, a second matching circuit, and a third matching circuit, where the switch is selectively connected to the first matching circuit, the second matching circuit, and the third matching circuit to switch the third antenna 140 to receive and transmit LTE signals of different bands, for example, the switch may be a single-pole-three-throw switch, the first matching circuit, the second matching circuit, and the third matching circuit are capacitors with different capacitance values, a moving end of the switch is connected to a band switching point of the third antenna 140, and a stationary end of the switch is grounded
Taking the first band switching circuit 150 as an example: the capacitance values of the first matching circuit and the second matching circuit are respectively set with the frequency bands corresponding to the first antenna 120, so that the switching of the 5G signal in two frequency bands of N78(3.3 GHz-3.6 GHz) and N79(4.8 GHz-5 GHz) is realized through the first frequency band switching circuit 150.
The first matching circuit and the second matching circuit may be one of a capacitor, an inductor, and an LC circuit (i.e., a circuit in which an inductor and a capacitor are arranged in parallel), respectively, and combined into a circuit connected to the switch. Accordingly, the value of the corresponding capacitor, inductor, or LC circuit is set according to the frequency band corresponding to the first antenna 120. Similarly, for the second antenna 130 having multiple frequency bands, a frequency band switching circuit corresponding to the second antenna 130 may also be disposed to control the second antenna 130 to receive and transmit Wi-Fi signals or GPS signals of different frequency bands, which is not described herein.
In some embodiments, the wearable electronic device 100 may further include a number of first feeding points coupled to the first antenna 120, a number of second feeding points coupled to the second antenna 130, a third feeding point coupled to the third antenna 140, and so on, for feeding current signals so that the first antenna 120, the second antenna 130, and the third antenna 140 of the wearable electronic device 100 radiate corresponding signals.
For example, in some embodiments, for example, the second feeding point forms two radiation sections with unequal lengths to two ends at the connection position of the second antenna 130, and the two radiation sections with unequal lengths may be used to simultaneously radiate different signals, so that the second antenna 130 may simultaneously receive and transmit Wi-Fi signals and GPS signals. In addition, when the second feeding point is connected to the center of the second antenna 130 at the second antenna 130, two radiation sections with equal length are respectively formed at the connection position of the second antenna 130 to two ends, and the two radiation sections with equal length can be used for simultaneously radiating Wi-Fi signals or GPS signals, so as to enhance the radiation efficiency of the second antenna 130.
Referring to fig. 1, in the present embodiment, the wearing portion 170 is connected to the display portion 110, specifically, the wearing portion 170 is connected to the frame 113 and detachably connected to the display portion 110 through a magnetic attraction structure, a buckle structure, and the like, and two ends of the wearing portion 170 are respectively connected to the frame 113 to form a ring shape, and further fixed to a wearing part (e.g., a wrist) of a user through the ring shape.
By connecting the wearing portion 170 to the connecting frame 113, the wearing portion 170 is not connected to the first frame 111 and the second frame 112, so that interference of the wearing portion 170 to the first antenna 120, the second antenna 130 and the third antenna 140 can be reduced, for example, when the wearing portion 170 is a metal watch band, certain interference can be generated due to signals of the metal to the antennas, and at this time, the wearing portion 170 is connected to the connecting frame 113, so that interference of the wearing portion 170 to the first antenna 120, the second antenna 130 and the third antenna 140 can be reduced.
In some embodiments, the wearing portion 170 includes a first band 171 and a second band 172, both the first band 171 and the second band 172 are connected to the display portion 110, and specifically, the first band 171 and the second band 172 are respectively connected to the connection frame 113, wherein the bands may be made of plastic, metal, a belt, a strap, a paper band, or the like, or may be made of two or more materials at the same time.
In summary, the wearable electronic device 100 provided by the present application has the first antenna 120 to receive and transmit the 5G signal, the second antenna 130 to receive and transmit at least one of the GPS signal and the Wi-Fi signal, and the third antenna 140 to receive and transmit the LTE signal, so that the wearable electronic device 100 can receive and transmit various different signals, and meanwhile, the mutual interference between the multiple antennas can be avoided due to the interval arrangement of the three antennas.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims (4)

1. A wearable electronic device, comprising:
the display part comprises a first frame, a second frame and two connecting frames, wherein the first frame and the second frame are metal frames, the first frame and the second frame are spaced, the two connecting frames are oppositely arranged at intervals and are respectively connected between the first frame and the second frame, the first frame and the second frame both comprise straight frames, the display part also comprises a middle frame plate, the first frame and the second frame are arranged around the middle frame plate, the first frame is provided with two first through gaps penetrating through the first frame, and the two first through gaps are respectively arranged at two ends of the first frame; the first frame and the middle frame plate are spaced to form two first spacing gaps, and the two first spacing gaps are arranged at intervals;
the first antenna and the second antenna are both slot antennas, and the two first through slots are respectively communicated with the two first spacing slots so as to form the first antenna and the second antenna on the first frame; the first antenna is used for receiving and transmitting 5G signals; the second antenna and the first antenna are arranged at intervals and are only arranged on a straight frame of the first frame, the second antenna is used for receiving and transmitting at least one of GPS signals and Wi-Fi signals, the end part of the first antenna, far away from the second antenna, faces one of the first through gaps to form a radiation end, and the end part of the second antenna, far away from the first antenna, faces the other first through gap to form the other radiation end;
the third antenna is only arranged on the straight frame of the second frame and is spaced from the two connecting frames, and the third antenna is used for receiving and transmitting Long Term Evolution (LTE) signals; and
a wearing portion connected to the connection frame.
2. The wearable electronic device of claim 1, wherein the third antenna comprises a first radiating branch and a second radiating branch, and the first radiating branch and the second radiating branch are respectively configured to transceive Long Term Evolution (LTE) signals of different frequency bands.
3. The wearable electronic device of claim 1, wherein the first bezel and the second bezel are connected to an edge of the bezel.
4. The wearable electronic device of claim 1, further comprising a first band switching circuit and a second band switching circuit, wherein the first band switching circuit is connected to the first antenna to switch a transmit-receive band of the 5G signal of the first antenna; the second frequency band switching circuit is connected to the third antenna to switch the transceiving frequency band of the Long Term Evolution (LTE) signal of the third antenna.
CN201910612494.1A 2019-06-30 2019-06-30 Wearable electronic equipment Active CN110350294B (en)

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