CN112886204A - Wearable electronic equipment - Google Patents

Wearable electronic equipment Download PDF

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Publication number
CN112886204A
CN112886204A CN201911204137.8A CN201911204137A CN112886204A CN 112886204 A CN112886204 A CN 112886204A CN 201911204137 A CN201911204137 A CN 201911204137A CN 112886204 A CN112886204 A CN 112886204A
Authority
CN
China
Prior art keywords
antenna
wearable electronic
electronic device
frame
radio frequency
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.)
Granted
Application number
CN201911204137.8A
Other languages
Chinese (zh)
Other versions
CN112886204B (en
Inventor
彭致勇
向元彬
龙卫
陈全国
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
Original Assignee
Realme Chongqing Mobile Communications Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Realme Chongqing Mobile Communications Co Ltd filed Critical Realme Chongqing Mobile Communications Co Ltd
Priority to CN201911204137.8A priority Critical patent/CN112886204B/en
Publication of CN112886204A publication Critical patent/CN112886204A/en
Application granted granted Critical
Publication of CN112886204B publication Critical patent/CN112886204B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G—PHYSICS
    • G04—HOROLOGY
    • G04R—RADIO-CONTROLLED TIME-PIECES
    • G04R60/00—Constructional details
    • G04R60/06—Antennas attached to or integrated in clock or watch bodies
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/10—Resonant slot antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The embodiment of the application provides a wearable electronic device, which comprises a middle plate; the frame is arranged on the periphery of the middle plate and connected with the middle plate; the first connecting part is connected with the periphery of the frame; the first antenna is arranged on the first connecting portion and comprises a plurality of millimeter wave antenna units, and the millimeter wave antenna units are arranged in an array mode. Because first antenna includes a plurality of millimeter wave antenna element, and is a plurality of millimeter wave antenna element is the array setting, is favorable to strengthening the signal strength of first antenna, guarantees the stability of communication.

Description

Wearable electronic equipment
Technical Field
The application relates to the technical field of electronics, in particular to wearable electronic equipment.
Background
With the development of communication technology, wearable electronic devices such as smart watches are becoming more and more popular. The intelligent watch not only has the function of a common watch, but also has a radio frequency communication function, and the intelligent watch can receive and transmit radio frequency signals. However, the antenna in the smart watch is difficult to design due to the narrow internal space of the smart watch.
Disclosure of Invention
The embodiment of the application provides a wearable electronic equipment, can improve the signal strength of antenna, guarantees the stability of communication.
The embodiment of the application provides a wearable electronic equipment, includes:
a middle plate;
the frame is arranged on the periphery of the middle plate and connected with the middle plate;
the first connecting part is connected with the periphery of the frame;
the first antenna is arranged on the first connecting portion and comprises a plurality of millimeter wave antenna units, and the millimeter wave antenna units are arranged in an array mode.
In this application embodiment, set up a first antenna on wearable electronic equipment's first connecting portion, first antenna includes a plurality of millimeter wave antenna element, and a plurality of millimeter wave antenna element array set up, can improve the signal strength of first antenna, guarantee the stability of communication.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a first structural schematic diagram of a wearable electronic device according to an embodiment of the present application.
FIG. 2 is a schematic sectional view taken along the line P1-P1 in FIG. 1.
Fig. 3 is a second structural schematic diagram of a wearable electronic device according to an embodiment of the present application.
Fig. 4 is a third structural schematic diagram of a wearable electronic device according to an embodiment of the present application.
Fig. 5 is a fourth structural schematic diagram of a wearable electronic device according to an embodiment of the present application.
Fig. 6 is a fifth structural schematic diagram of a wearable electronic device according to an embodiment of the present application.
Detailed Description
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 and fig. 2, fig. 1 is a first structural schematic diagram of a wearable electronic device according to an embodiment of the present application, and fig. 2 is a sectional structural schematic diagram of fig. 1 along a direction P1-P1. The wearable electronic device 100 may be, but is not limited to, a bracelet, a smart watch, a radio frequency headset, or other electronic devices. The wearable electronic device 100 according to the embodiment of the present application is described by taking a smart watch as an example.
Wearable electronic device 100 may include: middle plate 10, frame 20, first connecting portion 30, second connecting portion 40, first antenna 50 and second antenna 60.
The middle plate 10 may have a thin plate-like or sheet-like structure for placing a circuit board, an electronic component, or a functional module, or the middle plate 10 may have a partially hollow structure. The middle plate 10 is used to provide a supporting function for electronic components or functional components in the wearable electronic device 100, so as to mount the electronic components or functional components in the wearable electronic device 100 together. It is understood that the material of the middle plate 10 may include metal or plastic.
The frame 20 is disposed on the periphery of the middle plate 10 and connected to the middle plate 10, the frame 20 includes a first side 21 and a second side 22 disposed oppositely, and a third side 23 and a fourth side 24 disposed oppositely, and the first side 21, the third side 23, the second side 22 and the fourth side 24 are sequentially connected to form the frame 20. The material of the frame 20 includes a conductive material, the conductive material may include a metal material, and the metal material may be: stainless steel, aluminum alloys, titanium alloys, and the like.
It should be noted that the terms "first" and "second" in the description of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features.
It is understood that the bezel 20 may be completely attached to the edge of the midplane 10, i.e., all edges of the midplane 10 are attached to the bezel 20. The bezel 20 may also be connected to a portion of the edge of the midplane 10, i.e., a portion of the bezel 20 may be spaced from the edge of the midplane 10 by a distance that forms a clearance area for the antenna on the bezel 20.
The first connecting portion 30 is connected to the periphery of the frame 20, the second connecting portion 40 is disposed opposite to the first connecting portion 30, and the second connecting portion 40 is connected to the periphery of the frame 20 opposite to the first connecting portion 30.
Specifically, the first connecting portion 30 is connected to the first side 21 of the frame 20, and the second connecting portion 40 is connected to the second side 22 of the frame 20, wherein the first connecting portion 30 can be movably connected to the first side 21, and the second connecting portion 40 can also be movably connected to the second side 22, for example, the first connecting portion 30 can be connected to the first side 21 through a first rotating shaft, and the second connecting portion 40 can also be connected to the second side 22 through a second rotating shaft.
It is understood that the first connecting portion 30 and the second connecting portion 40 may also be connected to the first side 21 and the second side 22 respectively through a flexible material, the connection manner of the first connecting portion 30 and the second connecting portion 40 to the frame 20 is not limited to the above example, and other connection manners that the first connecting portion 30 can rotate relative to the frame 20 and the second connecting portion 40 can rotate relative to the frame 20 all belong to the protection scope of the embodiment of the present application.
It is understood that the first connecting portion 30 may also be fixedly connected to the first side 21, and the second connecting portion 40 may be fixedly connected to the second side 22, for example, the first connecting portion 30 may be integrally formed with the first side 21, and the second connecting portion 40 may be integrally formed with the second side 22, or for example, the first connecting portion 30 may also be connected to the first side 21 by screws, and the second connecting portion 40 may be connected to the second side 22 by screws.
The connection modes of the first connection portion 30 and the second connection portion 40 with the frame 20 are not limited to the above examples, and other connection modes that can fix the first connection portion 30 to the frame 20 and fix the second connection portion 40 to the frame 20 all belong to the protection scope of the embodiment of the present application.
Wherein, first connecting portion 30 and second connecting portion 40 all include conductive material, and conductive material can include metal material, and metal material can be: stainless steel, aluminum alloys, titanium alloys, and the like. First connecting portion 30 and second connecting portion 40 adopt conducting material to be convenient for the antenna on first connecting portion 30 and the second connecting portion 40 to be connected with the radio frequency circuit electricity through first connecting portion 30 and second connecting portion 40 to can avoid seting up the through-hole on frame 20, reduce and set up the line in wearing formula electronic equipment's outside, can guarantee the pleasing to the eye degree of wearing formula electronic equipment's outward appearance.
The first antenna 50 is disposed on the first connecting portion 30, the first antenna 50 includes a plurality of millimeter wave antenna units, and the plurality of millimeter wave antenna units are arranged in an array manner, so that the signal strength of the first antenna 50 can be enhanced, and the stability of communication can be ensured.
The first antenna 50 is used for transmitting millimeter wave radio frequency signals, for example, the first antenna 50 may be used for transmitting 5G millimeter wave radio frequency signals, and the first antenna 50 may also be used for transmitting 4G millimeter wave radio frequency signals.
It should be noted that "transmitting" as used above for transmitting rf signals includes receiving rf signals, transmitting rf signals, and simultaneously receiving and transmitting rf signals.
The millimeter wave refers to an electromagnetic wave having a frequency in a range of 30GHz to 300GHz, and the corresponding wavelength range is 1mm to 10 mm. Because the wavelength of millimeter waves is short, the transmission process is easy to be blocked, and the transmission performance of the antenna is effectively enhanced by arranging a plurality of millimeter wave antenna units at intervals. In the embodiment of the present application, the first antenna 50 is used for transmitting 5G millimeter wave radio frequency signals, for example, the first antenna 50 is used for transmitting signals in the frequency ranges of N78(3.3 GHz-3.6 GHz) and N79(4.8 GHz-5 GHz).
The millimeter wave antenna unit may be a patch antenna, and is attached to the inner surface or the outer surface of the first connection portion 30, and the plurality of patch antennas are arranged in an array. The millimeter wave antenna units may also be slot antennas, a plurality of slots are formed on the surface of the first connection portion 30, the slot antennas are arranged in an array, and the distance between two adjacent millimeter wave antenna units may be greater than 1/2 wavelengths, so as to reduce performance degradation caused by mutual coupling.
It is understood that the array may be arranged in a specific pattern, such as a circle, a square, an ellipse, a triangle, or any other arbitrary shape, which is not limited herein.
The second antenna 60 is disposed on the second connecting portion 40, the first antenna 50 is disposed on the first connecting portion 30, the second antenna 60 is disposed on the second connecting portion 40, the first connecting portion 30 and the second connecting portion 40 are disposed on two opposite sides of the frame 20, so that the distance between the first connecting portion 30 and the second connecting portion 40 is relatively long, the isolation between the first antenna 50 and the second antenna 60 can be improved, thereby reducing the interference between the first antenna 50 and the second antenna 60, and satisfying the stability of communication.
The second connection portion 40 is provided with a first slit to form a first metal stub on the second connection portion 40, the first metal stub forming the second antenna 60. The second antenna 60 may be configured to transmit millimeter wave radio frequency signals, for example, the second antenna 60 may be configured to transmit 5G millimeter wave radio frequency signals, and when the second antenna 60 is configured to transmit 5G millimeter wave radio frequency signals, the first antenna 50 may also be configured to transmit 5G millimeter wave radio frequency signals, so as to implement multi-input and multi-output transmission of the 5G millimeter wave radio frequency signals, so as to enhance the strength of the 5G millimeter wave radio frequency signals, and ensure the stability of communication of the 5G millimeter wave radio frequency signals.
It is understood that the second antenna 60 described above may also be provided in the form of a steel sheet antenna, a flexible printed circuit board antenna (FPC), a laser formed antenna (LDS), or a printed antenna (PDS).
It can be understood that the second antenna 60 may also be used for transmitting microwave radio frequency signals, for example, the second antenna 60 may be used for transmitting 4G microwave radio frequency signals, when the second antenna 60 is used for transmitting 4G microwave radio frequency signals, the first antenna 60 may be used for transmitting 4G or 5G millimeter wave radio frequency signals, and the first antenna 50 and the second antenna 60 are used for transmitting signals of different frequency bands, which may widen the frequency band of the antenna transmission signals, and meet the requirements for multiple frequency bands when the wearable electronic device communicates.
It should be noted that the types of signals transmitted by the first antenna 50 and the second antenna 60 are not limited to the above examples, and the types of signals transmitted by the first antenna 50 and the second antenna 60 may be set according to actual needs, which is not described in detail in this embodiment of the application.
In the embodiment of the present application, one first antenna 50 is disposed on the first connection portion 30 of the wearable electronic device 100, and the first antenna 50 includes a plurality of millimeter wave antenna units, so that the signal strength of the first antenna 50 can be improved, and the stability of communication is ensured.
Referring to fig. 2 again, the wearable electronic device 100 further includes a circuit board 70, the circuit board 70 is disposed on the middle plate 10, and the circuit board 70 may be a main board of the wearable electronic device 100. Wherein, the circuit board 70 is provided with a radio frequency circuit. The radio frequency circuit is used for realizing radio frequency communication between the wearable electronic device 100 and a base station or other electronic devices. In addition, one or more of a microphone, a speaker, a receiver, an earphone interface, a camera, an acceleration sensor, a gyroscope, a processor, and the like may be integrated on the circuit board 70. Meanwhile, the display screen may be electrically connected to the circuit board 70 to control the display of the display screen by the processor on the circuit board 70.
The first antenna 50 can be electrically connected to the rf circuit through the first connecting portion 30, and the second antenna 60 is electrically connected to the rf circuit through the second connecting portion 40, so as to reduce the metal routing outside the frame 20, thereby improving the appearance of the wearable electronic device 100.
The radio frequency signal (RF-radio frequency signal) may refer to an electromagnetic wave which is modulated and has a certain transmission frequency. The radio frequency signals generally include a fourth generation mobile communication (LTE) signal, a fifth generation mobile communication (5G) signal, a Wireless Fidelity (WIFI) signal, a Global Positioning System (GPS) signal, and the like.
The LTE signal is a long term evolution LTE signal transmitted based on a Universal Mobile Telecommunications System (UMTS) technical standard established by The 3rd Generation Partnership Project (3 GPP) organization, and is used for accessing a radio frequency communication network to implement radio frequency communication. The LTE signal may be divided into a Low Band (LB), a Medium Band (MB), and a High Band (HB), where 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 2104MHz to 2690 MHz.
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), or other 5G millimeter wave frequency bands, such as the millimeter wave frequency bands of N257 (26.5-29.5 GHz), N258 (24.25-27.5 GHz), N261 (27.5-28.35 GHz) and N260 (37-40 GHz).
The WIFI signal is used for accessing a radio frequency local area network to realize network communication, and comprises WIFI signals with the frequencies of 2.4GHz and 5 GHz. The frequency range of the GPS signal is 1.2 GHz-1.6 GHz; the GPS signal is used for accessing a radio frequency communication network to realize radio frequency communication. The GPS signals include signals having frequencies of 1.57542GHz in the L1 band, 1.22760GHz in the L2 band, and 1.17645GHz in the L5 band.
The wearable electronic device further includes a rear cover 80, the rear cover 80 being disposed opposite the middle plate 10, the rear cover 80 being connected to the bezel 20, the rear cover 80 being a metal rear cover, the rear cover 80 being formed using a unitary configuration in which some or all of the rear cover 80 is machined or molded into a single structure, or being formed using multiple structures (e.g., an inner frame structure, one or more structures forming an outer housing surface, etc.). The frame 20 and the rear cover 80 form an outer contour of the electronic device 100 so as to accommodate electronic devices, functional components, and the like of the wearable electronic device 100, and at the same time, seal and protect the electronic devices and functional components inside the wearable electronic device 100. The material of the rear cover 80 includes a conductive material, and the conductive material may include a metal.
It will be appreciated that the material of the rear cover 80 may also comprise other non-metallic materials, or a combination of metallic and non-metallic materials. Wherein, the metal material can be: stainless steel, aluminum alloy, titanium alloy and the like, and the non-metallic materials can be: plastic, rubber, wood, etc., and the material of the rear cover 80 may be set according to actual needs.
As shown in fig. 2, the middle plate 10, the bezel 20 and the rear cover 80 form an accommodating portion 123, and the accommodating portion 123 may be used for placing a functional device or a circuit element of the wearable electronic device 100. The rear cover 80 and the frame 20 may form an outer casing of the wearable electronic device 100, and the middle plate 10 may be provided with a display screen for displaying images on the wearable electronic device 100, or simultaneously for displaying images and performing human-computer interaction on a user, for example, the user may perform touch operation through the main body.
The display 90 disposed on the middle plate 10 may be formed of a hard case. The Display screen 90 may also include a Liquid Crystal Display (LCD) or an Organic Light-Emitting Diode (OLED) Display screen.
The wearable electronic device 100 further includes a cover plate and a battery. A cover plate is mounted on the middle plate 10 and covers the display screen 90 to protect the display screen 90 from being scratched or damaged by water. The cover plate may be a transparent glass cover plate, so that a user can observe the content displayed by the display screen 90 through the cover plate. Wherein, it can be understood that the cover plate can be a glass cover plate made of sapphire.
The battery may be mounted on the middle plate 10 or in the receiving portion 123. Meanwhile, the battery is electrically connected to the circuit board to enable the battery to supply power to the wearable electronic device 100. Wherein, the circuit board can be provided with a power management circuit. The power management circuit is used to distribute the voltage provided by the battery to the various electronic components in the wearable electronic device 100.
The wearable electronic device 100 may further include a wearing portion 110 connected to two opposite ends of the frame 20, and the wearing portion 110 is used to fix the wearable electronic device 100 to an external object. The external object may be a human body, for example: the wrist or arm of a human body. The wearing portion 110 may include a first portion and a second portion, and an end of the second portion away from the frame 20 is movably connected to the first portion, so as to facilitate detachment of the wearable electronic device 100.
The first portion of the wearing portion 110 is connected to the frame 20 through the first connection portion 30, the second portion is connected to the frame 20 through the second connection portion 40, the first portion can be fixedly connected to the first connection portion 30, the second portion can be fixedly connected to the second connection portion 30, for example, the first portion can be connected to the first connection portion 30 through riveting or screwing, and the second portion can be connected to the second connection portion 30 through riveting or screwing.
It is understood that the first portion can also be movably connected with the first connection portion 30, and the second portion can also be movably connected with the second connection portion 30, for example, the first portion can be connected with the first connection portion 30 by clipping, and the second portion can be connected with the second connection portion 30 by clipping.
The connection manner between the first portion and the first connection portion and the connection manner between the second portion and the second connection portion are not limited to the above examples, and other connection manners that the first portion and the first connection portion can be connected and the second portion and the second connection portion can be connected belong to the protection scope of the embodiments of the present application.
It can be understood that the wearing portion 110 is connected to the opposite ends of the frame 20, and the opposite ends of the frame 20 are connected to the middle plate 10, so that no gap may be provided between the frame 20 and the middle plate 10, thereby increasing the mechanical strength of the frame 20, and reducing the possibility that the frame 20 is separated from the middle plate 10 when the wearing portion 110 is pulled when the wearing portion 110 is connected to the frame 20. The other end of the frame 20 not connected to the wearing portion 110 may be spaced apart from the middle plate 10 to form a clearance area for the antenna on the frame 20.
Referring to fig. 3, fig. 3 is a second structural schematic diagram of a wearable electronic device according to an embodiment of the present application. The wearable electronic device 100 further includes a third antenna 201 and a fourth antenna 202, and the third antenna 201 and the fourth antenna 202 are disposed on the frame 20 at intervals. For example, the third antenna 201 and the fourth antenna 202 are disposed at an interval on the third side 23 or the fourth side 24 of the bezel 20. The third antenna 201 and the fourth antenna 202 are used for transmitting at least one of 4G signals, 5G signals, wireless fidelity signals and satellite positioning signals.
Wherein, the radiation directions of the third antenna 201 and the fourth antenna 202 can be opposite to adapt to different user holding postures. For example, when the radiation direction of the third antenna 201 faces the northern hemisphere, the radiation direction of the fourth antenna 202 may face the southern hemisphere, and if the user's hand-held gesture blocks the third antenna 201, the wearable electronic device 100 may transmit the radio frequency signal by using the fourth antenna 202.
The third antenna 201 and the fourth antenna 202 may transmit radio frequency signals of the same frequency band, so as to implement mimo transmission of the radio frequency signals. For example, the third antenna 201 and the fourth antenna 202 may transmit 5G radio frequency signals, and the third antenna 201 and the fourth antenna 202 may also transmit wireless fidelity signals, etc.
It can be understood that the third antenna 201 and the fourth antenna 202 can also transmit radio frequency signals of different frequency bands, so that the antennas can radiate radio frequency signals of multiple frequency bands, and the requirements of the wearable electronic device 100 for radio frequency signals of multiple different frequency bands are met.
It should be noted that the types of the third antenna 201 and the fourth antenna 202 for transmitting the radio frequency signals are not limited to the above examples, and the types of the third antenna 201 and the fourth antenna 202 for transmitting the radio frequency signals may be set according to actual needs.
As shown in fig. 3, the third antenna 202 and the fourth antenna 202 are disposed at an interval on the third side 23 of the frame 20. Specifically, a first opening 231 is disposed on the third side 23 of the frame 20, and a second gap 811 and a third gap 812 are disposed at an edge of the rear cover 80 connected to the third side 23 of the frame 20, where the first opening 231, the second gap 811, and the third gap 812 are communicated with each other to form a second metal branch and a third metal branch at the third side 23, and the second metal branch and the third metal branch may be electrically insulated from a periphery of the frame 20, so that the second metal branch may form the third antenna 201, and the third metal branch may form the fourth antenna 202.
Wherein the second slot 811 and the third slot 812 extend in opposite directions to reduce mutual interference between the third antenna 201 and the fourth antenna 202.
It should be noted that, in order to ensure the structural stability of the wearable electronic device 100, the second gap 811 and the third gap 812 may be filled with a non-metallic material, so that the bezel 20 and the rear cover 80 are completely connected. The first opening 231 may also be filled with a non-metallic material, so that the rear cover 80 is an integral body, enhancing the structural strength of the rear cover 80. In addition, in order to improve the appearance integrity of the wearable electronic device 100, the second gap 811 and the third gap 812 may be filled with a non-metal material having a color consistent with the appearance color of the rear cover 80, and the first opening 231 may be filled with a non-metal material having a color consistent with the appearance color of the bezel 20.
The rf circuit on the circuit board 70 may be electrically connected to the third antenna 201 and the fourth antenna 202, the circuit board 70 may further be provided with a first signal source and a second signal source, the rf circuit feeds an rf signal into the third antenna 201 through the first signal source, and the rf circuit feeds an rf signal into the fourth antenna 202 through the second signal source.
Specifically, the first signal source may include a first feeding point and a second grounding point, and the rf signal is fed into the third antenna 201 from the first feeding point and then returned to the ground from the first grounding point to form a signal loop, so that the third antenna 202 transmits the rf signal. The second signal source may also include a second feeding point and a second grounding point, and the rf signal is fed into the fourth antenna 202 from the second feeding point and then fed back to ground from the second grounding point to form a signal loop, so that the fourth antenna 202 transmits the rf signal. The first grounding point and the second grounding point may be disposed on the rear cover 80, the circuit board 70, the frame 20, the middle plate 10, and the like. The specific locations of the feeding point and the grounding point can be selected according to the frequency bands of the rf signals actually transmitted by the third antenna 201 and the fourth antenna 202.
It is understood that the third antenna 201 and the fourth antenna 202 may be commonly connected to a radio frequency circuit to reduce power consumption of the radio frequency circuit. The third antenna 201 and the fourth antenna 202 may also be connected to different rf circuits, respectively, so as to achieve precise control of the third antenna 201 and the fourth antenna 202.
For example, taking the transmission of 5G signals as an example, the frequency band range of the 5G signals at least includes two frequency bands N78 and N79, the third antenna 201 may be connected to a first tuning circuit 401, the fourth antenna 202 may also be connected to a second tuning circuit 402, and the positions of the grounding points of the third antenna 201 and the fourth antenna 202 may be changed by the first tuning circuit 401 and the second tuning circuit 402, so that the third antenna 201 and the fourth antenna 202 can meet the requirements of the wearable electronic device for different frequency bands of 5G.
Specifically, the first tuning circuit 401 at least includes a first path 4011 and a second path 4012, when the first path 4011 is connected, the third antenna 201 is configured to transmit a 5G radio frequency signal in a first frequency band, and when the second path 4012 is connected, the third antenna 201 is configured to transmit a 5G radio frequency signal in a second frequency band. The first frequency band is an N78 frequency band, and the second frequency band is an N79 frequency band.
The second tuning circuit 402 at least includes a third path 4021 and a fourth path 4022, when the third path 4021 is connected, the fourth antenna 202 is configured to transmit a 5G radio frequency signal in the first frequency band, and when the fourth path 4022 is connected, the fourth antenna 202 is configured to transmit a 5G radio frequency signal in the second frequency band. The first frequency band is an N78 frequency band, and the second frequency band is an N79 frequency band.
It can be understood that the tuning circuits may be implemented by using various switches and resistors and/or inductors and/or capacitors, for example, the tuning circuits may be single-pole single-throw switches, single-pole double-throw switches, single-pole triple-throw switches, and single-pole four-throw switches, and the switches in each tuning circuit are respectively connected with capacitors with different capacitance values or resistors with different resistance values, so as to enable the third antenna 201 and the fourth antenna 202 to transmit more radio frequency signals in different frequency bands, and meet the requirements of the wearable electronic device 100 on radio frequency signals in multiple frequency bands.
As shown in fig. 4, fig. 4 is a third schematic structural diagram of the wearable electronic device provided in the embodiment of the present application. The wearable electronic device 100 further includes a fifth antenna 203, the fifth antenna 203 is disposed on the frame 20, and the fifth antenna 203 is disposed at an interval with the third antenna 201 and the fourth antenna 202, for example, the third antenna 203 and the fourth antenna 204 are disposed at an interval on the third side 23, and the fifth antenna 203 is disposed on the fourth side 24. The fourth side 24 is provided with a second opening 241, a fourth gap 813 is provided at an edge of the rear cover 80 connected to the fourth side 24, the second opening 241 and the fourth gap 813 are communicated with each other to form a fourth metal stub at the fourth side 24, and the fourth metal stub may be electrically insulated from the periphery of the bezel 20, so that the fourth metal stub may form the fifth antenna 203.
It should be noted that, in order to ensure the structural stability of the wearable electronic device 100, the fourth slit 813 may be filled with a non-metallic material, so that the bezel 20 and the rear cover 80 are completely connected. The second opening 241 may be filled with a non-metallic material, so that the rear cover 80 is an integral body, and the structural strength of the rear cover 80 is enhanced. Moreover, in order to improve the appearance integrity of the wearable electronic device 100, the second opening 241 may be filled with a non-metal material having a color consistent with the appearance color of the bezel 20, and the fourth slit 813 may be filled with a non-metal material having a color consistent with the appearance color of the rear cover 80.
The rf circuit on the circuit board 70 may be electrically connected to the fifth antenna 203, and the circuit board 30 may further be provided with a third signal source, and the rf circuit feeds an rf signal into the fifth antenna 203 through the third signal source.
Specifically, the third signal source may include a third feeding point and a third grounding point, and the rf signal is fed into the fifth antenna 203 from the third feeding point and then fed back from the first grounding point to form a signal loop, so that the fifth antenna 203 transmits the rf signal. The third ground point may be disposed on the rear cover 80, the circuit board 70, the frame 20, the middle plate 10, and the like. The specific locations of the feeding point and the grounding point may be selected according to the frequency band of the rf signal actually transmitted by the fifth antenna 203. Wherein, the fifth antenna 203 is used for transmitting at least one of 4G signal, 5G signal, wireless fidelity signal and satellite positioning signal.
For example, taking transmission of a 4G signal as an example, the frequency band range of the 4G signal includes at least three frequency bands, that is, a low frequency band, a middle frequency band and a high frequency band, the fifth antenna 203 may be connected to a third tuning circuit 403, and the position of the ground point of the fifth antenna 203 may be changed by the third tuning circuit 403, so that the fifth antenna 203 can meet the requirements of the wearable electronic device on different frequency bands of 4G.
Specifically, the third tuning circuit 403 at least includes a fifth path 4031, a sixth path 4032 and a seventh path 4033, when the fifth path 4031 is connected, the fifth antenna 203 is configured to transmit a 4G radio frequency signal in a first frequency band, when the sixth path 4032 is connected, the fifth antenna 203 is configured to transmit a 4G radio frequency signal in a second frequency band, and when the seventh path 4033 is connected, the fifth antenna 203 is configured to transmit a 4G radio frequency signal in a third frequency band. The first frequency band is a low frequency band, the second frequency band is a medium frequency band, and the third frequency band is a high frequency band.
It can be understood that, as shown in fig. 5, fig. 5 is a fourth schematic structural diagram of the wearable electronic device provided in the embodiment of the present application, the fifth antenna 203 may also be connected to a plurality of third tuning circuits 403, and the following takes the example that the fifth antenna 203 is connected to two third tuning circuits 403. For example, the fifth antenna 203 may be connected to a third tuning circuit 403a and a third tuning circuit 403b, where the third tuning circuit 403a includes a single-pole four-throw switch, an inductor, and a resistor, and the third tuning circuit 403b may also include a single-pole four-throw switch, a capacitor, an inductor, and a resistor, and the third tuning circuit 403a and the third tuning circuit 403b cooperate with each other to realize transmission of signals in different frequency bands. For example, the transmission of low-frequency radio frequency signals, intermediate-frequency radio frequency signals and high-frequency radio frequency signals which can transmit 4G signals; for example, 5G signals of N78, N79 and N41 frequency bands can be transmitted; for example, GPS signals in the L1, L2, and L5 frequency bands may be transmitted.
Of course, the third antenna 201 may also be connected to a plurality of first tuning circuits 401, the fourth antenna 204 may also be connected to a plurality of second tuning circuits 402, and the specific structures of the second tuning circuits 402 and the first tuning circuits 401 may be the same as the structure of the first tuning circuit 401, which is not described again.
It is noted that, in the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
It can be understood that the tuning circuits may be implemented by using various switches and resistors and/or inductors and/or capacitors, for example, the tuning circuits may be single-pole single-throw switches, single-pole double-throw switches, single-pole triple-throw switches, and single-pole four-throw switches, and the switches in each tuning circuit are respectively connected with capacitors with different capacitance values or resistors with different resistance values, so as to implement that the fifth antenna 203 transmits more radio frequency signals in different frequency bands, and meet the requirements of the wearable electronic device 100 on radio frequency signals in multiple frequency bands.
It is understood that the third antenna 201, the fourth antenna 202, and the fifth antenna 203 may be provided in the form of a steel sheet antenna, a flexible printed circuit board antenna (FPC), a laser formed antenna (LDS), or a printed antenna (PDS).
The wearable electronic device 100 of the embodiment of the application may further include a sixth antenna 120, please refer to fig. 6, and fig. 6 is a fifth structural schematic diagram of the wearable electronic device provided in the embodiment of the application. The sixth antenna 120 is disposed on the wearing portion 110, and the sixth antenna 120 may be used for transmitting 5G millimeter wave signals.
It is to be understood that, in order to enhance the transmission performance of the sixth antenna 120, the sixth antenna 120 includes a plurality of millimeter-wave antenna elements, which are arranged in an array.
The millimeter wave refers to an electromagnetic wave having a frequency in a range of 30GHz to 300GHz, and the corresponding wavelength range is 1mm to 10 mm. Since the wavelength of the millimeter wave is short, the transmission process is easily hindered, and the transmission performance of the sixth antenna 120 is effectively enhanced by arranging the plurality of millimeter wave antenna units at intervals. In the embodiment of the present application, the sixth antenna 120 is used for transmitting signals in the frequency ranges of N78(3.3GHz to 3.6GHz) and N79(4.8GHz to 5 GHz).
The millimeter wave antenna unit may be a patch antenna, and is attached to the inner surface or the outer surface of the wearing portion 110, and the plurality of patch antennas are arranged in an array. The millimeter wave antenna units may also be slot antennas, a plurality of slots are formed on the surface of the wearing portion 110, the slot antennas are arranged in an array, and the distance between two adjacent millimeter wave antenna units may be greater than 1/2 wavelengths, so as to reduce performance degradation caused by mutual coupling.
In some embodiments, the surface of the wearing portion 110 may be provided with a plurality of through grooves, and the millimeter wave antenna units may be directly embedded in the through grooves due to the short wavelength of the millimeter wave, so that the physical size of the millimeter wave antenna units is small.
It can be understood that the array arrangement may be a matrix array or a linear array, for example, a plurality of millimeter wave antenna units may be disposed at intervals along the extending direction of the wearing portion 110 to form a linear array, the extending direction of the wearing portion 90 is the length direction of the wearing portion 110, when a user holds the hand, for example, the user blocks a part of the millimeter wave antenna units, the sixth antenna 120 may transmit signals through other millimeter wave antenna units that are not blocked, thereby reducing interference to the sixth antenna 120 when the user holds the hand.
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.
It is understood that wearable electronic device 100 may further include a fourth signal source electrically connected to sixth antenna 120, which may be used to generate 5G millimeter wave signals.
It can be understood that, in order to save the power consumption of the wearable electronic device 100 and improve the user experience, the wearable electronic device 100 further includes a first infrared sensor and a second infrared sensor, the first infrared sensor is disposed at the first portion of the wearable portion 110, the second infrared sensor is disposed at the second portion of the wearable portion 110, the first infrared sensor and the second infrared sensor are both electrically connected to the processor on the circuit board 70, the first infrared sensor is used for detecting the distance between the first portion of the wearable portion 110 and the second infrared sensor, the second infrared sensor is used for detecting the distance between the second portion and the first infrared sensor, when the distance between the first infrared sensor and the second infrared sensor is smaller than the preset distance, the processor controls the display screen to be on, when the distance between the first infrared sensor and the second infrared sensor is greater than or equal to the preset distance, the processor controls the display screen to be turned off, automatic screen lighting and turning off of the display screen can be achieved, power consumption of the wearable electronic equipment can be saved, and improvement of user experience is facilitated.
It can be understood that the wearable electronic device 100 may also be provided with a first infrared sensor at the first portion or the second portion of the wearable portion 110, and detect the temperature of the external object through the first infrared sensor, when the temperature of the external object reaches a preset temperature, the processor controls the display screen to be on, otherwise, the processor controls the display screen to be off. The preset temperature may be a range of values, for example, the preset temperature is 35-37 degrees, that is, the preset temperature is close to the body temperature of the human body.
The wearable electronic device provided by the embodiment of the application is described in detail above. The principles and implementations of the present application are described herein using specific examples, which are presented only to aid in understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (11)

1. A wearable electronic device, comprising:
a middle plate;
the frame is arranged on the periphery of the middle plate and connected with the middle plate;
the first connecting part is connected with the periphery of the frame;
the first antenna is arranged on the first connecting portion and comprises a plurality of millimeter wave antenna units, and the millimeter wave antenna units are arranged in an array mode.
2. The wearable electronic device of claim 1, further comprising:
the second connecting part is arranged opposite to the first connecting part and connected to the periphery of the frame opposite to the first connecting part; and
and the second antenna is arranged on the second connecting part.
3. The wearable electronic device according to claim 2, wherein the second connection portion is provided with a first slit to form a first metal stub on the second connection portion, the first metal stub forming the second antenna.
4. The wearable electronic device of claim 3, further comprising:
the circuit board is arranged on the middle plate, a radio frequency circuit is arranged on the circuit board, the first antenna is electrically connected with the radio frequency circuit through the first connecting part, and the second antenna is electrically connected with the radio frequency circuit through the second connecting part.
5. The wearable electronic device of claim 2, further comprising:
the third antenna is arranged on the frame; and
and the fourth antenna is arranged on the frame and is arranged at an interval with the third antenna.
6. The wearable electronic device of claim 5, further comprising:
and the fifth antenna is arranged on the frame and is arranged at intervals with the third antenna, the fifth antenna and the fourth antenna.
7. The wearable electronic device of claim 6, wherein:
the frame comprises a first side edge and a second side edge which are oppositely arranged, and a third side edge and a fourth side edge which are oppositely arranged, wherein the first side edge, the third side edge, the second side edge and the fourth side edge are sequentially connected;
the first connecting portion are connected to the first side edge, the second connecting portion are connected to the second side edge, the third antenna and the fourth antenna are arranged on the third side edge at intervals, and the fifth antenna is arranged on the fourth side edge.
8. The wearable electronic device of claim 7, further comprising:
the rear cover is arranged opposite to the middle plate and connected with the frame;
the third side is provided with first opening, the back lid with the edge that the third side of frame is connected is equipped with second gap and third gap, wherein, first opening, the second gap, third gap communicate each other, with third side formation second metal stub and third metal stub, the second metal stub forms the third antenna, the third metal stub forms the fourth antenna.
9. The wearable electronic device of claim 7, wherein a second opening is formed in the fourth side, a fourth gap is formed in an edge of the rear cover connected to the fourth side, the second opening communicates with the fourth gap to form a fourth metal stub on the fourth side, and the fourth metal stub forms the fifth antenna.
10. A wearable electronic device according to any of claims 2-9, wherein the first antenna is configured to transmit millimeter wave radio frequency signals and the second antenna is configured to transmit microwave radio frequency signals.
11. A wearable electronic device according to any of claims 5-9, wherein the third antenna, the fourth antenna, and the fifth antenna are configured to transmit at least one of 4G radio frequency signals, 5G radio frequency signals, wireless fidelity signals, and satellite positioning signals.
CN201911204137.8A 2019-11-29 2019-11-29 Wearable electronic equipment Active CN112886204B (en)

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