WO2022068827A1 - Ensemble antenne et dispositif électronique - Google Patents

Ensemble antenne et dispositif électronique Download PDF

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Publication number
WO2022068827A1
WO2022068827A1 PCT/CN2021/121376 CN2021121376W WO2022068827A1 WO 2022068827 A1 WO2022068827 A1 WO 2022068827A1 CN 2021121376 W CN2021121376 W CN 2021121376W WO 2022068827 A1 WO2022068827 A1 WO 2022068827A1
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WO
WIPO (PCT)
Prior art keywords
radiator
sub
frequency band
capacitor
antenna
Prior art date
Application number
PCT/CN2021/121376
Other languages
English (en)
Chinese (zh)
Inventor
吴小浦
Original Assignee
Oppo广东移动通信有限公司
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Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Publication of WO2022068827A1 publication Critical patent/WO2022068827A1/fr

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Classifications

    • 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
    • H01Q5/10—Resonant antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding 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
    • 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
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • 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
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/328—Individual 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
    • 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
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364—Creating multiple current paths

Definitions

  • the present application relates to the field of communication technologies, and in particular, to an antenna assembly and an electronic device.
  • An antenna assembly is usually included in an electronic device to realize the communication function of the electronic device.
  • the communication performance of the antenna assembly in the electronic device in the related art is not good enough, and there is still room for improvement.
  • the present application provides an antenna assembly.
  • the antenna assembly includes:
  • a first antenna the first antenna includes a first radiator, a first signal source, and a band-pass filter circuit
  • the first radiator includes a first ground end and a first free end, the first ground end and A first feeding point and a connecting point are arranged between the first free ends, the first radiator is electrically connected to the first signal source at the first feeding point, and the first radiator is also Electrically connect the bandpass filter circuit to ground at the connection point;
  • the first signal source is used to provide an excitation signal of a first frequency band
  • the excitation signal of the first frequency band is used to excite the first radiator to generate a first resonance mode
  • the first resonance mode is The resonant current is distributed between the first ground terminal and the first free terminal;
  • the first signal source is also used to provide an excitation signal of a second frequency band, and the excitation signal of the second frequency band is used to excite the first radiator to generate a second resonance mode, and the resonance of the second resonance mode A current is distributed between the bandpass filter and the first free end.
  • the present application further provides an electronic device including the antenna assembly according to the first aspect.
  • the first antenna in the antenna assembly provided by the present application can not only transmit and receive electromagnetic wave signals in the first frequency band, but also transmit and receive electromagnetic wave signals in the second frequency band. Therefore, the antenna assembly has a better communication effect.
  • FIG. 1 is a schematic diagram of a first antenna assembly provided by an embodiment of the present application
  • FIG. 2 is a schematic diagram of a second antenna assembly provided by an embodiment of the present application.
  • FIG. 3 is a partial return loss curve of the antenna assembly of FIG. 1 or FIG. 2;
  • FIG. 4 is a schematic structural diagram of an electronic device provided by the present application.
  • FIG. 5 is a cross-sectional view of the electronic device shown in FIG. 4 along line I-I;
  • FIG. 6 is a schematic structural diagram of the first bandpass filter circuit of the antenna assembly provided by the present application.
  • FIG. 7 is a schematic structural diagram of a second type of bandpass filter circuit of the antenna assembly provided by the present application.
  • FIG. 8 is a schematic structural diagram of a third bandpass filter circuit of the antenna assembly provided by the present application.
  • FIG. 9 is a schematic structural diagram of a fourth bandpass filter circuit of the antenna assembly provided by the present application.
  • FIG. 10 is a return loss curve of the antenna assembly of FIG. 1 or FIG. 2;
  • Fig. 11a is a schematic diagram of the current distribution of the antenna assembly shown in Fig. 2 in a first resonance mode
  • FIG. 11b is a schematic diagram of the current distribution of the antenna assembly shown in FIG. 2 in the second resonance mode
  • Fig. 11c is a schematic diagram of the current distribution of the antenna assembly shown in Fig. 2 in a third resonance mode
  • FIG. 11d is a schematic diagram of the current distribution of the antenna assembly shown in FIG. 2 in the fourth resonance mode
  • FIG. 12 is a schematic structural diagram of a third antenna assembly provided by an embodiment of the present application.
  • FIG. 13 is a return loss curve of the antenna assembly shown in FIG. 12;
  • Fig. 14a is a schematic diagram of the current distribution of the antenna assembly shown in Fig. 13 in the first resonance mode
  • Fig. 14b is a schematic diagram of the current distribution of the antenna assembly shown in Fig. 13 in the second resonance mode
  • Fig. 14c is a schematic diagram of the current distribution of the antenna assembly shown in Fig. 13 in a third resonance mode
  • FIG. 14d is a schematic diagram of the current distribution of the antenna assembly shown in FIG. 13 in the seventh resonance mode
  • FIG. 14e is a schematic diagram of the current distribution of the antenna assembly shown in FIG. 13 in the fifth resonance mode
  • FIG. 14f is a schematic diagram of the current distribution of the antenna assembly shown in FIG. 13 in the sixth resonance mode
  • FIG. 15 is a schematic diagram of a third antenna assembly provided by an embodiment of the present application.
  • FIG. 16 is a schematic diagram of a fourth antenna assembly provided by an embodiment of the present application.
  • FIG. 17 is a schematic diagram of a fifth antenna assembly provided by an embodiment of the present application.
  • FIG. 18 is a schematic diagram of a sixth antenna assembly provided by an embodiment of the present application.
  • FIG. 19 is a schematic diagram of a seventh antenna assembly provided by an embodiment of the present application.
  • 20a is a schematic diagram of a first seed isolation circuit provided by an embodiment of the present application.
  • 20b is a schematic diagram of a second seed isolation circuit provided by an embodiment of the present application.
  • 20c is a schematic diagram of a third seed isolation circuit provided by an embodiment of the present application.
  • 20d is a schematic diagram of a fourth seed isolation circuit provided by an embodiment of the present application.
  • 20e is a schematic diagram of a fifth seed isolation circuit provided by an embodiment of the present application.
  • 20f is a schematic diagram of a sixth seed isolation circuit provided by an embodiment of the present application.
  • 20g is a schematic diagram of a seventh seed isolation circuit provided by an embodiment of the present application.
  • 20h is a schematic diagram of an eighth seed isolation circuit provided by an embodiment of the present application.
  • 21 is a schematic diagram of a first isolation circuit provided by an embodiment of the present application.
  • 22 is a schematic diagram of a second isolation circuit provided by an embodiment of the present application.
  • FIG. 23 is a schematic diagram of an eighth antenna assembly provided by an embodiment of the present application.
  • FIG. 24 is a schematic diagram of a first radiator and a feed point of a second radiator in an antenna assembly provided by an embodiment of the present application;
  • 25 is a schematic diagram of a gap between a first radiator and a second radiator in an antenna assembly provided by an embodiment of the present application;
  • 26 is a schematic diagram of RL curves of the first antenna and the second antenna in the antenna assembly shown in FIG. 1;
  • FIG. 27 is a schematic diagram of the main current distribution corresponding to the first resonance mode in the antenna assembly shown in FIG. 1;
  • FIG. 28 is a schematic diagram of the main current distribution corresponding to the second resonance mode in the antenna assembly shown in FIG. 1;
  • FIG. 29 is a schematic diagram of the main current distribution corresponding to the third resonance mode in the antenna assembly shown in FIG. 1;
  • FIG. 30 is a schematic diagram of the main current distribution corresponding to the fifth resonance mode in the antenna assembly shown in FIG. 1;
  • FIG. 31 is a schematic diagram of the main current distribution corresponding to the sixth resonance mode in the antenna assembly shown in FIG. 1;
  • FIG. 32 is a schematic diagram of RL curves of the first antenna and the second antenna in the antenna assembly shown in FIG. 18;
  • FIG. 33 is a schematic diagram of the main current distribution corresponding to the first resonance mode in the antenna assembly shown in FIG. 18;
  • FIG. 34 is a schematic diagram of the main current distribution corresponding to the second resonance mode in the antenna assembly shown in FIG. 18;
  • FIG. 35 is a schematic diagram of the main current distribution corresponding to the third resonance mode in the antenna assembly shown in FIG. 18;
  • FIG. 36 is a schematic diagram of the main current distribution corresponding to the seventh resonance mode in the antenna assembly shown in FIG. 18;
  • FIG. 37 is a schematic diagram of the main current distribution corresponding to the eighth resonance mode in the antenna assembly shown in FIG. 18;
  • FIG. 38 is a schematic diagram of the main current distribution corresponding to the sixth resonance mode in the antenna assembly shown in FIG. 18;
  • FIG. 39 is a schematic structural diagram of a ninth antenna assembly provided by an embodiment of the present application.
  • FIG. 40 is a schematic structural diagram of a tenth antenna assembly provided by an embodiment of the present application.
  • FIG. 41 is a schematic structural diagram of an eleventh antenna assembly according to an embodiment of the present application.
  • FIG. 42 is a schematic structural diagram of an antenna assembly connected to a ground pole provided by an embodiment of the present application.
  • 43 is a schematic structural diagram of another antenna assembly connected to a ground pole provided by an embodiment of the present application.
  • 44 is a schematic diagram of the positions of the first metal branch and the second metal branch in the electronic device provided by the embodiment of the present application;
  • FIG. 45 is a schematic diagram of the positions of the first radiator and the second radiator in the electronic device provided by the embodiment of the present application.
  • the present application provides an antenna assembly 10 .
  • the antenna assembly 10 can be applied to the electronic device 1 .
  • the electronic device 1 includes, but is not limited to, a mobile phone, an Internet device (mobile internet device, MID), an e-book, a portable playback station (Play Station Portable, PSP) or a personal digital assistant (Personal Digital Assistant, PDA) etc. have a communication function.
  • electronic equipment 1 includes, but is not limited to, a mobile phone, an Internet device (mobile internet device, MID), an e-book, a portable playback station (Play Station Portable, PSP) or a personal digital assistant (Personal Digital Assistant, PDA) etc. have a communication function.
  • electronic equipment 1 includes, but is not limited to, a mobile phone, an Internet device (mobile internet device, MID), an e-book, a portable playback station (Play Station Portable, PSP) or a personal digital assistant (Personal Digital Assistant, PDA) etc. have a communication function.
  • electronic equipment 1 includes, but
  • FIG. 1 is a schematic diagram of an antenna assembly provided by an embodiment of the present application.
  • the antenna assembly 10 includes a first antenna 110 .
  • the first antenna 110 includes a first radiator 111 , a first signal source 112 , and a band pass filter (Band Pass Filter, BPF) 114 .
  • the first radiator 111 includes a first ground end G1 and a first free end F1, and a first feed point P1 and a connection point P3 are disposed between the first ground end G1 and the first free end F1.
  • the first ground terminal G1 is connected to the ground electrode GND2, the first radiator 111 is electrically connected to the first signal source 112 at the first feeding point P1, and the first radiator 111 is still connected
  • the point P3 is electrically connected to the band-pass filter circuit 114 to the ground GND1.
  • the first signal source 112 is used to provide an excitation signal of a first frequency band, and the excitation signal of the first frequency band is used to excite the first radiator 111 to generate a first resonant mode, and the first resonant mode
  • the resonant current of the state is distributed between the first ground terminal G1 and the first free terminal F1.
  • the first signal source 112 is also used to provide an excitation signal of a second frequency band, and the excitation signal of the second frequency band is used to excite the first radiator 111 to generate a second resonance mode, and the second resonance mode
  • the resonant current is distributed between the band-pass filter 114 and the first free end F1.
  • the bandpass filter circuit 114 when the bandpass filter circuit 114 is applied to the antenna assembly 10 , it is used to tune the electrical length of the first radiator 111 , so that the first radiator 111 generates at least the first resonance mode and the second resonance mode.
  • the present application does not specifically limit the position where the bandpass filter circuit 114 is connected to the first radiator 111 .
  • the first ground terminal G1 and the connection point P3 are arranged at intervals.
  • the connection point P3 faces away from the first free end F1 compared to the first feeding point P1.
  • the first ground terminal G1 and the connection point P3 are located at the same position.
  • the band-pass filter circuit 114 is electrically connected to the first ground terminal G1, which is equivalent to the band-pass filter circuit 114 directly adding ground to the antenna aperture.
  • the entire The length of the first radiator 111 is reduced, and the size of the entire antenna assembly 10 is smaller; in addition, in this embodiment, since the side of the connection point P3 away from the first feeding point P1 has no radiator for transmitting radio frequency signals, the second The influence of frequency band transmission and reception is smaller, and the efficiency of the antenna assembly 10 in the second frequency band is improved; further, since the first ground terminal G1 and the connection point P3 are in the same position, the connection between the radiator and other structures (such as the ground pole and the connection point P3 is reduced.
  • a connecting member between the band-pass filter circuit such as a conductive elastic sheet, etc., simplifies the installation process of the antenna assembly 10 .
  • the first radiator 111 is a Flexible Printed Circuit (FPC) antenna radiator or a Laser Direct Structuring (LDS) antenna radiator, or a Print Direct Structuring (PDS) antenna
  • the radiator is either a metal branch;
  • the second radiator 121 is an FPC antenna radiator or an LDS antenna radiator, or a PDS antenna radiator, or a metal branch.
  • the first antenna 110 transmits and receives electromagnetic wave signals of a first frequency band, and can also receive and transmit electromagnetic wave signals of a second frequency band, wherein the first frequency band and the The second frequency bands are different.
  • the first antenna 110 can transmit and receive electromagnetic wave signals in the first frequency band, but cannot transmit and receive electromagnetic wave signals in the second frequency band. It can be seen that due to the addition of the band-pass filter circuit 114, the first antenna 110 can transmit and receive the second frequency band that cannot be transmitted and received originally, so that the antenna assembly 10 can transmit and receive electromagnetic wave signals in more frequency bands, thereby improving the The communication performance of the antenna assembly 10 is improved.
  • the first frequency band includes the GPS-L5 frequency band (the resonant frequency is 1176 MHz), and the second frequency band includes the GPS-L1 frequency band (the resonant frequency is 1575 MHz). It can be understood that, in other implementation manners, the first frequency band and the second frequency band may also be other frequency bands different from the GPS-L5 frequency band and the GPS-L1 frequency band.
  • GPS in the GPS-L1 frequency band and GPS-L5 frequency band mentioned here indicates positioning, including but not limited to Global Positioning System (GPS) positioning, Beidou positioning, and GLOBAL NAVIGATION SATELLITE SYSTEM, GLONASS), Galileo satellite navigation system (Galileo satellite navigation system, GALILEO) positioning, etc.
  • GPS Global Positioning System
  • Beidou positioning Beidou positioning
  • GLOBAL NAVIGATION SATELLITE SYSTEM GLONASS
  • Galileo satellite navigation system Galileo satellite navigation system
  • GALILEO Galileo satellite navigation system
  • the first frequency band is the GPS-L5 frequency band and the second frequency band is the GPS-L1 frequency band as an example for illustration.
  • the first signal source 112 can be disposed on the circuit board 50 in the electronic device 1 .
  • the second signal source 122 may also be provided on the circuit board 50 in the electronic device 1 .
  • the band-pass filter circuit 114 may be provided on the circuit board 50 in the electronic device 1 .
  • the first signal source 112 is used to generate the excitation signal of the first frequency band and the excitation signal of the second frequency band, and the excitation signal is loaded on the first radiator 111 to excite the first radiator 111 to generate the first radiator.
  • a resonant mode a the excitation signal is loaded on the first radiator 111 to excite the first radiator 111 to generate a second resonant mode b, that is, the first antenna 110 can transmit and receive the first resonant mode b.
  • the electromagnetic wave signals of the first frequency band and the second frequency band are used to generate the excitation signal of the first frequency band and the excitation signal of the second frequency band.
  • the first antenna 110 can only transmit and receive electromagnetic wave signals in the first frequency band, but does not support electromagnetic waves in the second frequency band. signal, or, the first antenna 110 can only transmit and receive electromagnetic wave signals in the second frequency band, but does not support electromagnetic wave signals in the first frequency band.
  • the physical length of the first radiator 111 is a product that supports the GPS-L1 frequency band
  • the GPS-L5 frequency band is The physical length of the radiator that generates the resonance is greater than the physical length of the first radiator 111 , in other words, the physical length of the first radiator 111 is not enough to support the GPS-L1 frequency band.
  • an additional antenna needs to be set up to support the electromagnetic wave signals of the second frequency band or the first frequency band. It can be seen that in the related art, more antennas are required to support the electromagnetic wave signal of the first frequency band and the electromagnetic wave signal of the second frequency band, resulting in a larger volume of the antenna assembly 10 and a larger space occupied. Since the antenna assembly 10 in the related art has a large volume and occupies a large space, when the antenna assembly 10 in the related art is applied in the electronic device 1 , it is difficult to stack with other devices in the electronic device 1 .
  • the first antenna 110 can only transmit and receive electromagnetic wave signals of the first frequency band, and an additional antenna needs to be set up to support the electromagnetic wave signals of the second frequency band, which may increase the insertion loss of the radio frequency link in the antenna assembly 10 .
  • disposing an antenna supporting the electromagnetic wave signal of the first frequency band and disposing an additional antenna to support the electromagnetic wave signal of the second frequency band may result in higher cost of the antenna assembly 10 .
  • the first antenna 110 can support the electromagnetic wave signal of the first frequency band and the electromagnetic wave signal of the second frequency band, and no additional antenna is required to support the electromagnetic wave of the second frequency band Therefore, the volume of the antenna assembly 10 is small and takes up little space.
  • the antenna assembly 10 in this embodiment is applied in the electronic device 1 to be stacked with other devices in the electronic device 1 , the stacking difficulty is low.
  • the first antenna 110 of the antenna assembly 10 in this embodiment can support electromagnetic wave signals of the first frequency band and electromagnetic wave signals of the second frequency band, so the insertion loss of the radio frequency link in the antenna assembly 10 is relatively small.
  • the first antenna 110 of the antenna assembly 10 in this embodiment can support the electromagnetic wave signal of the first frequency band and the electromagnetic wave signal of the second frequency band, which can reduce the cost of the antenna assembly 10 .
  • the first antenna 110 can not only transmit and receive electromagnetic wave signals in the first frequency band, but also transmit and receive electromagnetic wave signals in the second frequency band. electromagnetic wave signals, thereby improving the communication effect of the antenna assembly 10 .
  • the band-pass filter circuit 114 can adjust the equivalent electrical length from the first ground terminal G1 to the ground pole GND1, so that the first radiator 111 generates a first resonance mode a covering the first frequency band and a resonant mode a covering the second frequency band.
  • the second resonance mode b can be used to adjust the equivalent electrical length from the first ground terminal G1 to the ground pole GND1, so that the first radiator 111 generates a first resonance mode a covering the first frequency band and a resonant mode a covering the second frequency band.
  • the band-pass filter circuit 114 is inductive in the first frequency band, so as to adjust (for example, increase) the equivalent electrical length between the first ground terminal G1 and the ground pole GND1, thereby generating a signal covering the first frequency band.
  • the band-pass filter circuit 114 is capacitive in the second frequency band to adjust the equivalent electrical length between the first ground terminal G1 and the ground electrode GND1, thereby generating a second resonant mode b covering the second frequency band.
  • the present application does not specifically limit the structure of the band-pass filter circuit 114 , and the band-pass filter circuit 11 is exemplified by embodiments below.
  • the structure of the band-pass filter circuit 114 includes but is not limited to the following embodiments.
  • the bandpass filter circuit 114 includes a first capacitor unit C0 and a first inductor unit L1. One end of the first capacitor unit C0 and one end of the first inductance unit L1 are both electrically connected to the first ground terminal G1. The other end of the first capacitor unit C0 and the other end of the first inductance unit L1 are electrically connected to the ground GND1.
  • the first capacitor unit C0 can adjust the band-pass frequency band of the band-pass filter circuit 114
  • the first capacitor unit C0 and the first inductor unit L1 arranged in parallel can adjust the band-stop frequency band of the band-pass filter circuit 114 .
  • the equivalent electrical length between the first ground terminal G1 and the ground pole GND1 is adjusted, thereby generating a first frequency band covering the first frequency band.
  • FIG. 7 is a schematic diagram of the bandpass filter circuit 114 provided by the second embodiment of the present application.
  • the band-pass filter circuit 114 further includes a second inductance unit L0 .
  • One end of the second inductance unit L0 is electrically connected to a connection node between the other end of the first capacitance unit C0 and the other end of the first inductance unit L1 .
  • the other end of the second inductance unit L0 is grounded GND1.
  • the equivalent electrical length between the first ground terminal G1 and the ground electrode GND1 is adjusted. , thereby generating a first resonance mode a covering the first frequency band and a second resonance mode b covering the second frequency band.
  • FIG. 8 is a schematic diagram of a bandpass filter circuit 114 provided by a third embodiment of the present application.
  • the band-pass filter circuit 114 further includes a second inductance unit L0 .
  • One end of the second inductance unit L0 is electrically connected to the first ground terminal G1.
  • the other end of the second inductance unit L0 is electrically connected to one end of the first capacitance unit C0.
  • the first capacitor unit C0 and the second inductor unit L0 adjust the band-pass frequency band, and the first capacitor unit C0, the first inductor unit L1 and the second inductor unit L0 adjust the band-stop frequency band.
  • the equivalent electrical length between the first ground terminal G1 and the ground electrode GND1 is adjusted. , thereby generating a first resonance mode a covering the first frequency band and a second resonance mode b covering the second frequency band.
  • the radiator 111 is grounded through the frequency selection filter circuit 114, and the capacitance unit value of the first capacitance unit C0, the inductance unit value of the first inductance unit L1, and the inductance unit value of the second inductance unit L0 can be adjusted according to actual tuning needs. Certainly.
  • the above-mentioned frequency selection filter circuit 114 produces two resonances. When the frequency is lower than the first resonance frequency point, the frequency selection filter circuit 114 is inductive, and when the frequency is between the first resonance frequency point and the second resonance frequency point, The frequency selection filter circuit 114 is capacitive, and when the frequency is higher than the second resonance frequency, the frequency selection filter circuit 114 is inductive. By adjusting the capacitance unit value of the first capacitance unit C0, the inductance unit value of the first inductance unit L1, and the inductance unit value of the second inductance unit L0, the frequency selection filter circuit 114 is inductive in the first frequency band, thereby making the frequency selection filter circuit 114 inductive.
  • the filter circuit 114 is equivalent to an inductance unit in the first frequency band, so that the frequency selective filter circuit 114 is capacitive in the second frequency band, so that the frequency selective filter circuit 114 is equivalent to a capacitor unit in the second frequency band.
  • the frequency selection filter circuit 114 is equivalent to a 7.6nH inductor unit in the first frequency band (the center frequency is 1176MHz).
  • the frequency selection filter circuit 114 is equivalent to a 24.7pF capacitor unit in the second frequency band (the center frequency is 1575MHz). In this way, the frequency selection filter circuit 114 makes the first radiator 111, the frequency selection filter circuit 114 to the ground GND1 have different electrical voltages.
  • the frequency-selective filter circuit 114 makes the first radiator 111, the frequency-selective filter circuit 114 to have an electrical length that can excite the resonance mode with a center frequency of 1176 MHz, and the frequency-selective filter circuit 114 makes the first radiator 111,
  • the frequency selection filter circuit 114 to the ground GND1 has an electrical length that can excite the resonant mode with the center frequency of 1575MHz, so as to excite the resonant modes of different frequency bands, thereby generating the first resonant mode a covering the first frequency band and the first resonant mode covering the first frequency band.
  • the second resonant mode b of the second frequency band is an electrical length that can excite the resonant mode with the center frequency of 1575MHz, so as to excite the resonant modes of different frequency bands, thereby generating the first resonant mode a covering the first frequency band and the first resonant mode covering the first frequency band.
  • the bandpass filter circuit 114 includes a series circuit of a second inductance unit L0 and a first capacitance unit C0 .
  • the bandpass filter circuit 114 includes a second inductor unit L0 and a first capacitor unit C0 connected in series as an example for illustration.
  • the inductance of the bandpass filter circuit 114 The number may be two or more, and correspondingly, the number of capacitors in the band-pass filter circuit 114 may also be two or more.
  • the first signal source 112 is further configured to provide an excitation signal to excite the first radiator 111 to generate a third resonance mode c.
  • the current of the third resonant mode c is distributed between the first feeding point P1 and the first free end F1, and the third resonant mode c is used to cover the third frequency band, the fourth frequency band and the The transmission and reception of electromagnetic wave signals in the fifth frequency band.
  • the third frequency band includes the WIFI 2.4G frequency band
  • the fourth frequency band includes at least part of the LTE MHB frequency band
  • the fifth frequency band includes at least part of the NR-5G MHB frequency band.
  • the first antenna 110 is also used to transmit and receive electromagnetic wave signals in the WIFI 2.4G frequency band, at least part of the electromagnetic wave signals in the LTE MHB frequency band, and at least part of the electromagnetic wave signals in the NR-5G MHB frequency band.
  • the second resonance mode b and the third resonance mode c may cover the LTE MHB band and the NR-5G MHB band together.
  • WIFI 2.4G frequency band includes 2.4GHz ⁇ 2.5GHz; LTE MHB frequency band refers to Middle High Band, and its frequency band range is: 1000MHz ⁇ 3000MHz.
  • the NR-5G MHB frequency band refers to the Middle High Band, which ranges from 1000MHz to 3000MHz.
  • the NR-5G MHB band includes the N41 band.
  • the N41 frequency band refers to the electromagnetic wave signal in the frequency range of 2496MHz-2690MHz.
  • the first antenna 110 transmits and receives electromagnetic wave signals in the first frequency band and electromagnetic wave signals in the second frequency band, it is also used for transmitting and receiving electromagnetic wave signals in the WIFI 2.4G frequency band, electromagnetic wave signals in the LTE MHB frequency band, and NR-5G.
  • the electromagnetic wave signal in the MHB frequency band (eg N41) means that the first antenna 110 can send and receive electromagnetic wave signals in the first frequency band, electromagnetic wave signals in the second frequency band, electromagnetic wave signals in the WIFI 2.4G frequency band, and electromagnetic waves in the LTE MHB frequency band at the same time. signal, and electromagnetic wave signals in the NR-5G MHB band.
  • the first antenna 110 of the present application can transmit and receive electromagnetic wave signals in more frequency bands, so the communication performance of the antenna assembly 10 is better.
  • the band-pass filter circuit 114 is inductive in the third frequency band.
  • the structure of the bandpass filter circuit 114 is as shown in FIG. 8 .
  • the frequency selection filter circuit 114 is inductive in the third frequency band, so that the frequency selection filter circuit 114 is inductive in the third frequency band.
  • the third frequency band is equivalent to an inductor.
  • the frequency selective filter circuit 114 is equivalent to a 1.2nH inductor in the third frequency band (the center frequency is 2450MHz).
  • the frequency-selective filter circuit 114 makes the first radiator 111, the frequency-selective filter circuit 114 to the ground GND1 have an electrical length that can excite the resonance mode with the center frequency of 2450MHz, so as to excite the resonance mode with the center frequency of 2450MHz, that is, is the third resonance mode c.
  • the first signal source 112 is also used to provide an excitation signal to excite the first radiator 111 to generate a fourth resonant mode state f.
  • the current of the fourth resonance mode f is distributed between the first ground terminal G1 and the first feeding point P1 and between the first free terminal F1 and the first feeding point P1 .
  • the fourth resonance mode f is used to transmit and receive electromagnetic wave signals covering the sixth frequency band.
  • the sixth frequency band includes the WIF-5G frequency band.
  • the band-pass filter circuit 114 is inductive in the sixth frequency band.
  • the structure of the bandpass filter circuit 114 is as shown in FIG. 8 .
  • the frequency selection filter circuit 114 generates two resonances. When the frequency is lower than the first resonance frequency point, the frequency selection filter circuit 114 is inductive, and when the frequency is between the first resonance frequency point and the second resonance frequency point, the frequency selection filter circuit 114 is inductive.
  • the filter circuit 114 is capacitive, and when the frequency is higher than the second resonance frequency, the frequency selection filter circuit 114 is inductive.
  • the first frequency band is smaller than the first resonance frequency
  • the second frequency band is located at the first resonance frequency and Between the second resonant frequency points, the third frequency band to the sixth frequency band are greater than the second resonant frequency point.
  • the frequency selection filter circuit 114 is inductive in the first frequency band, capacitive in the second frequency band, and inductive in the third frequency band to the sixth frequency band.
  • the frequency selective filter circuit 114 is equivalent to an inductor in the first frequency band, and further, the frequency selective filter circuit 114 is equivalent to a 7.6nH inductor in the first frequency band (the center frequency is 1176 MHz).
  • the first radiator 111 , the frequency selection filter circuit 114 and the ground GND1 have an electrical length capable of exciting the resonance mode with a center frequency of 1176 MHz, thereby generating the first resonance mode a.
  • the frequency-selective filter circuit 114 is equivalent to a capacitor in the second frequency band, and further, the frequency-selective filter circuit 114 is equivalent to a 24.7pF capacitor in the second frequency band (the center frequency is 1575MHz).
  • the first radiator 111 , the frequency selection filter circuit 114 and the ground GND1 have an electrical length capable of exciting the resonance mode with a center frequency of 1575 MHz, thereby generating the second resonance mode b.
  • the frequency-selective filter circuit 114 is equivalent to a 7.6nH inductor in the third frequency band (the center frequency is 1176MHz).
  • the first radiator 111 , the frequency selection filter circuit 114 and the ground GND1 have an electrical length capable of exciting the resonance mode with a center frequency of 1176 MHz, thereby generating the first resonance mode a.
  • the frequency selective filter circuit 114 is inductive in the third frequency band, so that the frequency selective filter circuit 114 is equivalent to an inductance in the third frequency band.
  • the frequency selective filter circuit 114 is equivalent to 1.2nH in the third frequency band (the center frequency is 2450MHz). inductance.
  • the frequency-selective filter circuit 114 makes the first radiator 111, the frequency-selective filter circuit 114 to the ground GND1 have an electrical length that can excite the resonance mode with the center frequency of 2450MHz, so as to excite the resonance mode with the center frequency of 2450MHz, that is, is the third resonance mode c.
  • the third resonance mode c can also support at least part of the electromagnetic wave signals in the LTE MHB frequency band and the NR-5G MHB frequency band.
  • the frequency selective filter circuit 114 is inductive in the third frequency band, so that the frequency selective filter circuit 114 is equivalent to an inductance in the third frequency band.
  • the frequency selective filter circuit 114 is equivalent to 1.2nH in the third frequency band (the center frequency is 2450MHz). inductance.
  • the frequency-selective filter circuit 114 makes the first radiator 111 and the frequency-selective filter circuit 114 have an electrical length to the ground that can excite the resonance mode with the center frequency of 2450MHz, so as to excite the resonance mode with the center frequency of 2450MHz, which is the first Three resonance modes c.
  • the third resonance mode c can also support at least part of the fourth frequency band and the fifth frequency band.
  • the frequency-selective filter circuit 114 is inductive in the sixth frequency band, so that the frequency-selective filter circuit 114 is equivalent to an inductance in the sixth frequency band.
  • the frequency-selective filter circuit 114 is equivalent to 1.5nH in the sixth frequency band (the center frequency is 5500MHz). inductance.
  • the frequency-selective filter circuit 114 makes the first radiator 111, the frequency-selective filter circuit 114 to the ground GND1 have an electrical length that can excite the resonant mode with the center frequency of 5500MHz, so as to excite the resonant mode with the center frequency of 5500MHz, that is, is the fourth resonance mode g.
  • the fourth resonance mode g can also support at least part of the sixth frequency band.
  • FIGS. 11 a to 11 d are the current distribution diagrams corresponding to the first resonant mode a to the fourth resonant mode g of the first antenna 110 , respectively.
  • the current of the first resonance mode a flows from the ground GND1 to the first free terminal F1, wherein the first resonance mode a is a 1/4 wavelength mode (1/4 wavelength from the ground GND1 to the first free terminal F1) /4 wavelength mode is also called fundamental mode, which has higher efficiency at this resonant frequency), through the equivalent inductance 7.6nH lower ground GND1.
  • the current of the second resonant mode b flows from the ground GND1 to the first free terminal F1, wherein the second resonant mode b is a 1/4 wavelength mode from the ground GND1 to the first free terminal F1, through Equivalent capacitance 24.7pF lower ground GND1.
  • the current of the third resonance mode c is from the first feeding point P1 to the first free end F1, and the third resonance mode c is 1/4 of the first feeding point P1 to the first free end F1 Wavelength mode, through the equivalent inductance 1.2nH lower ground GND1.
  • the current of the fourth resonance mode f flows from the ground GND1 to the first feeding point P1, and from the first free terminal F1 to the first feeding point P1, and the fourth resonance mode f is the ground GND1 To the 3/4 wavelength mode of the first free end F1, through the equivalent inductance 1.5nH lower ground pole GND1.
  • the above-mentioned current distribution is the main distribution position of the current, and it is not limited that all the currents are only distributed in the above-mentioned position.
  • the antenna assembly 10 further includes a second antenna 120 .
  • the second antenna 120 includes a second radiator 121 and a second signal source 122 .
  • the second radiator 121 includes a second ground end G2 and a second free end F2.
  • the second ground terminal G2 is connected to the ground electrode CND3.
  • the second free end F2 is disposed opposite to the first free end F1.
  • a coupling slot is formed between the second free end F2 and the first free end F1 , in other words, the first radiator 111 and the second radiator 121 are capacitively coupled through the coupling slot.
  • a second feeding point P2 is disposed between the second ground terminal G2 and the second free terminal F2.
  • the second radiator 121 is electrically connected to the second signal source 122 at the second feeding point P2.
  • the second signal source 122 is used for providing an excitation signal to excite the second radiator 121 to generate a fifth resonance mode e and a sixth resonance mode f1 .
  • the fifth resonance mode e and the sixth resonance mode f1 are used to transmit and receive electromagnetic wave signals covering the seventh frequency band.
  • the seventh frequency band includes the WIFI-5G frequency band. It can be understood that the sixth resonance mode f1 and the fourth resonance mode f are substantially the same resonance mode, and both are resonance modes covering the WIFI-5G frequency band.
  • the first antenna 110 further includes a first isolation circuit 113 , and a first feeding point P1 on the first radiator 111 is electrically connected to the first isolation circuit 113 to the first signal source 112.
  • the second antenna 120 further includes a second isolation circuit 123, the second feeding point P2 on the second radiator 121 is electrically connected to the second isolation circuit 123 to the second signal source 122, and the second feed point P2 is electrically connected to the second signal source 122.
  • An isolation circuit 113 and the second isolation circuit 123 are used to isolate the first antenna 110 and the second antenna 120 .
  • the first isolation circuit 113 and the second isolation circuit 123 are used to adjust the resonant frequency of the second antenna 120 according to a preset frequency selection parameter, so that the second antenna 120 resonates at The seventh resonance mode d and the eighth resonance mode.
  • the eighth resonance mode reference may be made to the position of the fifth resonance mode e in FIG. 13 .
  • the seventh resonance mode d is used to cover the transmission and reception of electromagnetic wave signals of the eighth frequency band and the ninth frequency band
  • the eighth resonance mode is used to cover the transmission and reception of electromagnetic wave signals of the tenth frequency band.
  • the eighth frequency band includes the N78 frequency band (3.3GHz ⁇ 3.8GHz)
  • the ninth frequency band includes the N77 frequency band (3.3GHz ⁇ 4.2GHz)
  • the tenth frequency band includes the N79 frequency band (4.4GHz ⁇ 4.2GHz) 5.0GHz). It can be understood that, in other implementation manners, the eighth frequency band, the ninth frequency band, and the tenth frequency band may also be other frequency bands.
  • FIGS. 14a to 14f are respectively current distribution diagrams of the antenna assembly 10 shown in FIG. 12 generated from the resonant mode a to the resonant mode f1 in FIG. 13 .
  • the current of the first resonance mode a flows from the ground GND1 to the first free terminal F1, wherein the first resonance mode a is a 1/4 wavelength mode (1/4 wavelength from the ground GND1 to the first free terminal F1) /4 wavelength mode is also called fundamental mode, which has higher efficiency at this resonant frequency), through the equivalent inductance 7.6nH lower ground GND1.
  • the current of the second resonant mode b flows from the ground GND1 to the first free terminal F1, wherein the second resonant mode b is a 1/4 wavelength mode from the ground GND1 to the first free terminal F1, through Equivalent capacitance 24.7pF lower ground GND1.
  • the current of the third resonant mode c goes from the first feeding point P1 to the first free end F1, and then is coupled to the second radiator 121, so that the current flows from the second free end F1 to the second ground end G2.
  • the third resonant mode c is a 1/4 wavelength mode from the first feeding point P1 to the first free end F1, and the lower ground GND1 passes through an equivalent inductance of 1.2nH.
  • the current of the seventh resonance mode d is from the second feeding point P2 to the second ground terminal F2.
  • the current of the fifth resonance mode e (ie, the eighth resonance mode) flows from the second ground terminal F2 to the second feeding point P2.
  • the current of the sixth resonance mode f1 (ie, the fourth resonance mode f in FIG. 11d ) flows from the second feeding point P2 to the second free end F2, and then flows from the first free end F1 to the first feeding At the electrical point P1, the current also flows from the first ground terminal G1 to the first feeding point P1.
  • the sixth resonance mode f1 is a 3/4 wavelength mode from the ground pole GND1 to the first free end F1, and the ground pole GND1 is lowered through an equivalent inductance of 1.5nH. It should be noted that the above-mentioned current distribution is the main distribution position of the current, and it is not limited that all the currents are only distributed in the above-mentioned position.
  • the first radiator 111 includes a first sub-radiator 1111 , a second sub-radiator 1112 , and a third sub-radiator 1113 .
  • One end of the first sub-radiator 1111 is the first ground terminal G1
  • the other end of the first sub-radiator 1111 is connected to the second sub-radiator 1112 by bending
  • the second sub-radiator 1112 has the connection point P3 and the first feeding point P1
  • the other end of the second sub-radiator 1112 is connected to the third sub-radiator 1113 by bending
  • the third sub-radiator 1113 1113 and the first sub-radiator 1111 are located on the same side of the second sub-radiator 1112
  • the end of the third sub-radiator 1113 away from the second sub-radiator 1112 is the first free end F1.
  • the antenna assembly 10 also includes a second antenna 120 .
  • the second antenna 120 includes a second radiator 121 and a second signal source 122 .
  • the first radiator 111 and the second radiator 121 are spaced apart and coupled to each other.
  • the second radiator 121 has a second ground end G2 and a second free end F2, and a second feed point P2 is further provided between the second ground end G2 and the second free end F2.
  • the second radiator 121 is electrically connected to the second signal source 122 at the second feeding point P2.
  • the second grounding end G2 is grounded, and the second free end F2 is opposite to and spaced apart from the first free end F1.
  • the second signal source 122 is used for generating an excitation signal, and the excitation signal is loaded on the second radiator 121 , so that the second radiator 121 radiates electromagnetic wave signals.
  • the first radiator 111 and the second radiator 121 are spaced apart and coupled to each other, that is, the first radiator 111 and the second radiator 121 have a common aperture, when the antenna assembly 10 is working , the excitation signal generated by the first signal source 112 can be coupled to the second radiator 121 via the first radiator 111 , in other words, the first antenna 110 can not only use the
  • the first radiator 111 can also utilize the second radiator 121 in the second antenna 120 to transmit and receive electromagnetic wave signals, so that the first antenna 110 can operate in a wider frequency band.
  • the first radiator 111 and the second radiator 121 are spaced apart and coupled to each other.
  • the excitation signal generated by the second signal source 122 can also pass through the first radiator.
  • Two radiators 121 are coupled to the first radiator 111 , in other words, the second antenna 120 can use not only the second radiator 121 but also the first radiator 110 when working.
  • a radiator 111 is used to send and receive electromagnetic wave signals, so that the second antenna 120 can also work in a wider frequency band. Since the first antenna 110 can use not only the first radiator 111 but also the second radiator 121 when working, the second antenna 120 can use not only the second radiator 121 but also the first radiator 121 when working. Therefore, the radiator 111 realizes the sharing of the radiators, that is, realizes the multiplexing of space, which is beneficial to reduce the size of the antenna assembly 10 .
  • the second radiator 121 includes a fourth sub-radiator 1211 and a fifth sub-radiator 1212 .
  • One end of the fourth sub-radiator 1211 is opposite to and spaced apart from the first free end F1, the other end of the fourth sub-radiator 1211 is connected to the fifth sub-radiator 1212 by bending, and the One end of the fifth sub-radiator 1212 facing away from the fourth sub-radiator 1211 is grounded.
  • one end of the fourth sub-radiator 1211 serves as the second free end F2
  • one end of the fifth sub-radiator 1212 away from the fourth sub-radiator 1211 serves as the second ground end G2.
  • Such structural arrangement of the first radiator 111 and the second radiator 121 can facilitate the arrangement of the antenna assembly 10 corresponding to the corner of the electronic device 1 .
  • the antenna assembly 10 is set corresponding to the corner of the electronic device 1 , when the user uses the electronic device 1 , the antenna assembly 10 is difficult to be held by the user, so that the electronic device to which the antenna assembly 10 is applied can be used. 1 has a relatively good communication effect.
  • the first radiator 111 is located on the left side of the second radiator 121 as an example for illustration.
  • the first sub-radiator 1111 , the second sub-radiator 1112 and the third sub-radiator 1113 are all rectangular for illustration.
  • the shapes of the first sub-radiator 1111 , the second sub-radiator 1112 and the third sub-radiator 1113 may also be other shapes.
  • the shapes of the fourth sub-radiator 1211 and the fifth sub-radiator 1212 are both rectangular for illustration.
  • the fourth sub-radiator The shapes of the body 1211 and the fifth sub-radiator 1212 may also be other shapes.
  • the first sub-radiator 1111 and the third sub-radiator 1113 both extend along the first direction D1, the second sub-radiator 1112 extends along the second direction D2, and the first sub-radiator 1112 extends along the second direction D2.
  • a direction D1 is perpendicular to the second direction D2.
  • the fourth sub-radiator 1211 is disposed opposite to the third sub-radiator 1113, and the fourth sub-radiator 1211 extends along the first direction D1.
  • the fifth sub-radiator 1212 extends along the second direction D2. It can be understood that, in other embodiments, the first direction D1 and the second direction D2 may not be perpendicular, and the first sub-radiator 1111 may not be parallel to the third sub-radiator 1113 .
  • the shapes and extending directions of the first sub-radiator 1111 , the second sub-radiator 1112 , and the third sub-radiator 1113 can be adjusted according to the environment in which the antenna assembly 10 is applied.
  • the shapes and extending directions of the fourth sub-radiator 1211 and the fifth sub-radiator 1212 can also be adjusted according to the environment in which the antenna assembly 10 is applied.
  • FIG. 16 is a schematic diagram of an antenna assembly provided by yet another embodiment of the present application.
  • the first radiator 111 includes a first sub-radiator 1111 and a second sub-radiator 1112 that are connected by bending.
  • One end of the first sub-radiator 1111 away from the second sub-radiator 1112 is the first ground terminal G1, and the second sub-radiator 1112 has the connection point P3 and the first feed Click on P1.
  • One end of the second sub-radiator 1112 away from the first sub-radiator 1111 is the first free end F1.
  • the second radiator 121 includes a third sub-radiator 1113 , a fourth sub-radiator 1211 , and a fifth sub-radiator 1212 which are bent and connected in sequence.
  • the third sub-radiator 1113 and the fifth sub-radiator 1212 are both located on the same side of the fourth sub-radiator 1211, and one end of the third sub-radiator 1113 is opposite to the first free end F1 And spaced apart, one end of the fifth sub-radiator 1212 away from the fourth sub-radiator 1211 is grounded.
  • the end of the third sub-radiator 1113 opposite to the first free end F1 is the second free end F2
  • the fifth sub-radiator 1212 faces away from the fourth sub-radiator 1211
  • One end of is the second ground terminal G2.
  • Such structural arrangement of the first radiator 111 and the second radiator 121 can facilitate the arrangement of the antenna assembly 10 corresponding to the corner of the electronic device 1 .
  • the antenna assembly 10 is set corresponding to the corner of the electronic device 1 , when the user uses the electronic device 1 , the antenna assembly 10 is difficult to be held by the user, so that the electronic device to which the antenna assembly 10 is applied can be used. 1 has a relatively good communication effect.
  • the first radiator 111 is located on the right side of the second radiator 121 as an example for illustration.
  • the first sub-radiator 1111 , the second sub-radiator 1112 and the third sub-radiator 1113 are all rectangular for illustration.
  • the shapes of the first sub-radiator 1111 , the second sub-radiator 1112 and the third sub-radiator 1113 may also be other shapes.
  • the shapes of the fourth sub-radiator 1211 and the fifth sub-radiator 1212 are both rectangular for illustration.
  • the fourth sub-radiator The shapes of the body 1211 and the fifth sub-radiator 1212 may also be other shapes.
  • the first sub-radiator 1111 extends along the second direction D2
  • the second sub-radiator 1112 extends along the first direction D1
  • the first direction D1 is perpendicular to the first direction D1 Two directions D2.
  • the third sub-radiator 1113 and the second sub-radiator 1112 are disposed opposite to each other, and the third sub-radiator 1113 and the fifth sub-radiator 1212 are both located along the The first direction D1 extends
  • the fourth sub-radiator 1211 extends along the first direction D1. It can be understood that, in other embodiments, the first direction D1 and the second direction D2 may not be perpendicular, and the first sub-radiator 1111 and the fourth sub-radiator 1211 may not be parallel, either.
  • the second sub-radiator 1112 and the third sub-radiator 1113 may not be located on the same straight line.
  • the shape and extension direction of the first sub-radiator 1111 and the second sub-radiator 1112 can be adjusted according to the environment in which the antenna assembly 10 is applied.
  • the shapes and extending directions of the third sub-radiator 1113 , the fourth sub-radiator 1211 , and the fifth sub-radiator 1212 may also be based on the antenna assembly 10 . Adjust the application environment.
  • the first radiator 111 includes a first sub-radiator 1111 and a second sub-radiator 1112 that are connected by bending.
  • One end of the first sub-radiator 1111 away from the second sub-radiator 1112 is the first ground terminal G1.
  • the second sub-radiator 1112 has the connection point P3 and the first feeding point P1, and the end of the second sub-radiator 1112 away from the first sub-radiator 1111 is the first free terminal F1.
  • the second radiator 121 includes a third sub-radiator 1113 and a fourth sub-radiator 1211 which are connected by bending.
  • One end of the third sub-radiator 1113 facing away from the fourth sub-radiator 1211 is spaced from the first free end F1 , and one end of the fourth sub-radiator 1211 facing away from the third sub-radiator 1113 is grounded.
  • the end of the third sub-radiator 1113 facing away from the fourth sub-radiator 1211 is the second free end F2
  • the end of the fourth sub-radiator facing away from the third sub-radiator 1113 is the second free end F2.
  • One end is the second ground end G2.
  • the structure arrangement of the first radiator 111 and the second radiator 121 can facilitate the arrangement of the antenna assembly 10 corresponding to the side of the electronic device 1 .
  • the antenna assembly 10 is disposed corresponding to the side (eg, the top side) of the electronic device 1
  • the antenna assembly 10 is difficult for the user to use.
  • the electronic device 1 to which the antenna assembly 10 is applied can have a better communication effect.
  • the first sub-radiator 1111 and the second sub-radiator 1112 are both rectangular as an example for illustration. In other embodiments, the first sub-radiator 1111 and the second sub-radiator 1111 The shape of the second sub-radiator 1112 may also be other shapes. Correspondingly, in this embodiment, the shapes of the third sub-radiator 1113 and the fourth sub-radiator 1211 are both rectangular for illustration. In other embodiments, the third sub-radiator 1113 and The shape of the fourth sub-radiator 1211 may also be other shapes.
  • the first sub-radiator 1111 extends along the second direction D2
  • the second sub-radiator 1112 extends along the first direction D1
  • the first direction D1 is perpendicular to the first direction D1 Two directions D2.
  • the third sub-radiator 1113 and the second sub-radiator 1112 are applied directly, and both the third sub-radiator 1113 and the second sub-radiator 1112 are along the The first direction D1 extends
  • the fourth sub-radiator 1211 extends along the second direction D2. It can be understood that, in other embodiments, the first direction D1 and the second direction D2 may not be perpendicular, and the first sub-radiator 1111 and the fourth sub-radiator 1211 may not be parallel, either.
  • the second sub-radiator 1112 and the third sub-radiator 1113 may also be located on the same straight line.
  • the second feed point P2 on the second sub-radiator 1112 connected to the second signal source 122 is disposed away from the first sub-radiator 1111 compared to the connection point P3.
  • the band-pass filter circuit 114 is connected to the connection point P3 of the first radiator 111 compared to the connection point P3 of the first signal source 112 to the first radiator 111 For the second feeding point P2, it is set away from the gap between the first radiator 111 and the second radiator 121 .
  • the connection point P3 faces away from the first free end F1 compared to the second feeding point P2.
  • the setting position of the connection point P3 is beneficial to reduce the influence of the electromagnetic wave signal of the second frequency band on the performance of other frequency bands transmitted and received by the first antenna 10 .
  • the band-pass filter circuit 114 is connected to the connection point P3 of the first radiator 111 , compared with the first signal source 112 connected to the second connection point of the first radiator 111 .
  • the feeding point P2 it is disposed adjacent to the first free end F1.
  • the electromagnetic wave signal of the second frequency band has an impact on the performance of other frequency bands including the first frequency band that the first antenna 10 transmits and receives.
  • the first antenna 110 can still be made to transmit and receive electromagnetic waves of the first frequency band. It can also send and receive electromagnetic wave signals including the second frequency band.
  • the first antenna 110 including the first isolation circuit 113 and the second antenna 120 including the second isolation circuit 123 may be incorporated into the antenna assembly 10 provided in any of the above embodiments.
  • An antenna 110 including a first isolation circuit 113 and a second antenna 120 including a second isolation circuit 123 are combined in the antenna assembly 10 provided in FIG. 1 for illustration.
  • the first feeding point P1 on the first radiator 111 is electrically connected to the first isolation circuit 113 to the first signal source 112 , that is, the first signal source 112 is electrically connected From the first isolation circuit 113 to the first feeding point P1 on the first radiator 111 .
  • the first signal source 112 mentioned here is electrically connected to the first isolation circuit 113 to the first signal source 112 , which means that the first signal source 112 is electrically connected to the input end of the first isolation circuit 113 .
  • the output end of the first isolation circuit 113 is electrically connected to the first feeding point P1 on the first radiator 111 .
  • the second feeding point P2 on the second radiator 121 is electrically connected to the second isolation circuit 123 to the second signal source 122 , that is, the second signal source 122 is electrically connected to the second isolation circuit
  • the circuit 123 goes to the second feeding point P2 on the second radiator 121 .
  • the second signal source 122 is electrically connected to the second isolation circuit 123, which means that the second signal source 122 is electrically connected to the input end of the second isolation circuit 123, and the output end of the second isolation circuit 123 is electrically connected. Connect to the second feeding point P2 on the second radiator 121 .
  • the first signal source 112 is used to generate an excitation signal, and the excitation signal is loaded onto the first radiator 111 via the first isolation circuit 113 , so that the first antenna 110 radiates electromagnetic wave signals.
  • the second signal source 122 is used to generate an excitation signal, and the excitation signal is loaded onto the second radiator 121 via the second isolation circuit 123 , so that the second antenna 120 radiates electromagnetic wave signals.
  • the first isolation circuit 113 and the second isolation circuit 123 are used to isolate the first antenna 110 and the second antenna 120, which means that the first isolation circuit 113 and the second isolation circuit 123 are isolated.
  • the electromagnetic wave signal sent and received by the first antenna 110 and the electromagnetic wave signal sent and received by the second antenna 120 do not interfere with each other.
  • the first isolation circuit 113 is also called a matching circuit or a frequency selection filter circuit.
  • the second isolation circuit 123 may also be called a matching circuit, a frequency selection filter circuit.
  • the second antenna 120 is used to transmit and receive electromagnetic wave signals of the third frequency band, and the first isolation circuit 113 and the second isolation circuit 123 are also used to enable the second antenna 120 to transmit and receive the fourth frequency band and the fifth frequency band electromagnetic wave signals in at least one frequency band.
  • the specific structures of the first isolation circuit 113 and the second isolation circuit 123 will be described in detail later.
  • FIG. 19 is a schematic diagram of an antenna assembly provided by another embodiment of the present application.
  • the first isolation circuit 113 includes one or more sub-isolation circuits 113a.
  • the second isolation circuit 123 includes one or more sub-isolation circuits 113a.
  • the sub-isolation circuit 113a in the first isolation circuit 113 may be the same as or different from the sub-isolation circuit 113a in the second isolation circuit 123 .
  • the first isolation circuit 113 includes a plurality of sub-isolation circuits 113a
  • the relationship between the plurality of sub-isolation circuits 113a may be series, parallel, or the like.
  • the second isolation circuit 123 includes a plurality of sub-isolation circuits 113a
  • the relationship between the plurality of sub-isolation circuits 113a may be series, parallel, or the like.
  • the first isolation circuit 113 includes two sub-isolation circuits 113a connected in parallel
  • the second isolation circuit 123 includes two sub-isolation circuits 113a connected in series as an example for illustration.
  • Each sub-isolation circuit 113a is described in detail as follows.
  • FIGS. 20a to 20h are schematic diagrams of sub-isolation circuits respectively provided by various embodiments of the present application.
  • the sub-isolation circuit 113a includes one or more of the following circuits.
  • the sub-isolation circuit 113a includes a band-pass circuit formed by an inductor L0' and the capacitor C0' connected in series.
  • the sub-isolation circuit 113a includes a band-stop circuit formed by an inductor L0' and a capacitor C0' in parallel.
  • the sub-isolation circuit 113a includes an inductor L0', a first capacitor C1', and a second capacitor C2'.
  • the inductor L0' is connected in parallel with the first capacitor C1', and the second capacitor C2' is electrically connected to a node where the inductor L0' and the first capacitor C1' are electrically connected.
  • the sub-isolation circuit 113a includes a capacitor C0', a first inductor L1', and a second inductor L2'.
  • the capacitor C0' is connected in parallel with the first inductor L1', and the second inductor L2' is electrically connected to a node where the capacitor C0' and the first inductor L1' are electrically connected.
  • the sub-isolation circuit 113a includes an inductor L0', a first capacitor C1', and a second capacitor C2'.
  • the inductor L0' is connected in series with the first capacitor C1', and one end of the second capacitor C2' is electrically connected to the first end of the inductor L0' that is not connected to the first capacitor C1'.
  • the other end of the capacitor C2' is electrically connected to one end of the first capacitor C1' that is not connected to the inductor L0'.
  • the sub-isolation circuit 113a includes a capacitor C0', a first inductor L1', and a second inductor L2'.
  • the capacitor C0' is connected in series with the first inductor L1', one end of the second inductor L2' is electrically connected to one end of the capacitor C0' that is not connected to the first inductor L1', and the other end of the second inductor L2' is electrically connected.
  • One end is electrically connected to one end of the first inductor L1' that is not connected to the capacitor C0'.
  • the sub-isolation circuit 113a includes a first capacitor C1', a second capacitor C2', a first inductor L1', and a second inductor L2'.
  • the first capacitor C1' is connected in parallel with the first inductor L1'
  • the second capacitor C2' is connected in parallel with the second inductor L2'
  • the second capacitor C2' is connected with the second inductor L2'
  • One end of the whole formed in parallel is electrically connected to one end of the whole formed in parallel with the first capacitor C1' and the first inductor L1'.
  • first capacitor C1' and the first inductor L1' are connected in parallel to form a first unit 113b
  • the second capacitor C2' and the second inductor L2' are connected in parallel to form a second unit 113c, so
  • the first unit 113b is connected in series with the second unit 113c.
  • the sub-isolation circuit 113a includes a first capacitor C1', a second capacitor C2', a first inductor L1', and a second inductor L2'.
  • the first inductor L1' is connected in series to form a first unit 113b
  • the second capacitor C2' is connected in series with the second inductor L2' to form a second unit 113c
  • the first unit 113b is connected in parallel with the second unit 113c .
  • the first isolation circuit 113 includes a first impedance tuning circuit, a first band-stop circuit and a first filter circuit.
  • One end of the first impedance tuning circuit is electrically connected to the first signal source 112 .
  • the other end of the first impedance tuning circuit is electrically connected to one end of the first band resistance circuit.
  • the first impedance tuning circuit is used for tuning the impedance matching of the first radiator 111 .
  • the other end of the first band-stop circuit is electrically connected to one end of the first filter circuit.
  • the other end of the first filter circuit is electrically connected to the first feeding point P1 of the first radiator 111 .
  • the first band-stop circuit is used to form a band-stop characteristic in a first preset frequency band.
  • the first preset frequency band is a frequency band supported by the second antenna 120 to increase the isolation between the first signal source 112 of the first antenna 110 and the second signal source 122 of the second antenna 120 .
  • the first preset frequency band is a frequency band greater than or equal to 3 GHz, including but not limited to N78 and the like.
  • the first filter circuit is used for filtering the radio frequency signal of the first preset frequency band.
  • the first filter circuit is used to filter out radio frequency signals in the frequency band greater than or equal to 3 GHz.
  • the first filter circuit includes a first sub-capacitor C11.
  • One end of the first sub-capacitor C11 is electrically connected to the first feeding point P1 of the first radiator 111 .
  • the other end of the first sub-capacitor C11 is grounded;
  • the first band resistance circuit includes a second sub-capacitor C12 and a first sub-inductance connected in parallel.
  • the first impedance tuning circuit includes a third sub-capacitor C13, a fourth sub-capacitor C14 and a second sub-inductor L12.
  • One end of the second sub-inductor L12 is electrically connected to one end of the first band-stop circuit away from the first filter circuit.
  • the other end of the second sub-inductor L12 is grounded.
  • One end of the third sub-capacitor C13 is electrically connected to one end of the second sub-inductor L12. The other end of the third sub-capacitor C13 is grounded.
  • One end of the fourth sub-capacitor C14 is electrically connected to one end of the second sub-inductor L12. The other end of the fourth sub-capacitor C14 is electrically connected to the first signal source 112 .
  • the second isolation circuit 123 includes a second impedance tuning circuit, a second band-stop circuit and a second filter circuit.
  • One end of the second impedance tuning circuit is electrically connected to the second signal source 122 .
  • the other end of the second impedance tuning circuit is electrically connected to one end of the second band resistance circuit.
  • the other end of the second band-stop circuit is electrically connected to one end of the second filter circuit.
  • the other end of the second filter circuit is electrically connected to the second feeding point P2 of the second radiator 121 .
  • the second impedance tuning circuit is used for tuning the impedance matching of the second radiator 121 .
  • the second band-stop circuit is used to form a band-stop characteristic in the second preset frequency band.
  • the second preset frequency band is a frequency band supported by the first antenna 110 to increase the isolation between the first signal source 112 of the first antenna 110 and the second signal source 122 of the second antenna 120 .
  • the second preset frequency band is a frequency band less than 3 GHz, including but not limited to WiFi-2.4G and the like.
  • the second filter circuit is used for filtering the radio frequency signal of the second preset frequency band.
  • the second filter circuit includes a third sub-inductor L21.
  • One end of the third sub-inductance L21 is electrically connected to the second feeding point P2 of the second radiator 121 .
  • the other end of the third sub-inductance L21 is grounded;
  • the second band resistance circuit includes a fifth sub-capacitor C21 and a fourth sub-inductance L22 connected in parallel.
  • the second impedance tuning circuit includes a sixth sub-capacitor C22 and a fifth sub-inductor L23.
  • One end of the sixth sub-capacitor C22 is electrically connected to one end of the second band-stop circuit away from the second filter circuit.
  • the other end of the sixth sub-capacitor C22 is grounded.
  • One end of the fifth sub-inductor L23 is electrically connected to one end of the sixth sub-capacitor C22.
  • the other end of the fifth sub-inductor L23 is electrically connected to the second signal source 122 .
  • FIG. 23 is a schematic diagram of an antenna assembly provided by another embodiment of the present application.
  • the excitation signal generated by the second signal source 122 is capacitively coupled and fed to the second radiator 121 after passing through the second isolation circuit 123 .
  • the output end of the second isolation circuit 123 is electrically connected to one end of the coupling capacitor C3 , and one end of the coupling capacitor C3 is electrically connected to the second radiator 121 .
  • the excitation signal generated by the second signal source 122 is fed to the second radiator 121 through the coupling capacitor C3 after passing through the second isolation circuit 123 .
  • the output end of the second isolation circuit 123 is connected to one end of the coupling capacitor C3, and one end of the coupling capacitor C3 is electrically connected to the second radiator 121, which can be combined into the antenna assembly described in any of the foregoing embodiments. In the method, the combination into the antenna assembly shown in FIG. 1 is taken as an example for illustration.
  • a coupling capacitor C3 is formed between the output end of the second isolation circuit 123 and the second radiator 121 , and the excitation signal generated by the second signal source 122 passes through the second isolation circuit After 123, feed the second radiator 121 through the coupling capacitor C3.
  • the excitation signal generated by the second signal source 122 is directly coupled to the second radiator 121 after passing through the second isolation circuit 123 .
  • the second signal source 122 is electrically connected to the input end of the second isolation circuit 123
  • the output end of the second isolation circuit 123 is directly electrically connected to the second radiator 121 .
  • FIG. 24 is a schematic diagram of a first radiator and a second radiator feeding point in an antenna assembly provided by an embodiment of the present application.
  • the first feeding point P1 of the first radiator 111 is located at the second sub-radiator 1112 or the third sub-radiator 1113.
  • the current distribution in the first antenna 110 is different.
  • the first feeding point P1 and the second feeding point P2 can be combined into the antenna assembly 10 described in any of the foregoing embodiments, and in the schematic diagram of this embodiment, they can be combined with the antenna assembly shown in FIG. 1 . 10 is indicated.
  • the length of the first radiator 111 is greater than the length of the second radiator 121 , and the frequency band of the electromagnetic wave signal sent and received by the first antenna 110 is lower than that of the electromagnetic wave signal sent and received by the second antenna 120 frequency band.
  • the length of the first radiator 111 is greater than the length of the second radiator 121, which means , the sum of the lengths of the plurality of sub-radiators in the first radiator 111 is greater than the sum of the lengths of the plurality of sub-radiators in the second radiator 121 .
  • the first radiator 111 includes a first sub-radiator 1111, a second sub-radiator 1112, and a third sub-radiator 1113; the second radiator 121 includes The fourth sub-radiator 1211 and the fifth sub-radiator 1212 are exemplified.
  • the length of the first radiator 111 is marked as L 1
  • the length of the second radiator 121 is marked as L 2
  • the length of the first sub-radiator 1111 is marked as L 11
  • the length of the first sub-radiator 1111 is marked as L 11
  • the length of the second sub-radiator 1112 is marked as L 12
  • the length of the third sub-radiator 1113 is marked as L 13
  • the length of the fourth sub-radiator 1211 is marked as L 21
  • the length of the fifth sub-radiator 1212 The length is marked as L 22 .
  • L 1 L 11 +L 12 +L 13
  • L 2 L 21 +L 22 .
  • the length of the first radiator 111 is greater than the length of the second radiator 121 , that is, L 1 >L 2 .
  • the length of the first radiator 111 is greater than the length of the second radiator 121 , and the frequency band of the electromagnetic wave signal sent and received by the first antenna 110 is lower than that of the electromagnetic wave signal sent and received by the second antenna 120 Therefore, the antenna assembly 10 can cover more frequency bands during operation, and the communication effect of the antenna assembly 10 is improved.
  • FIG. 25 is a schematic diagram of a gap between the first radiator and the second radiator in the antenna assembly according to an embodiment of the present application.
  • the size d of the gap between the first radiator 111 and the second radiator 121 is: 0.5mm ⁇ d ⁇ 2.0mm. It can be understood that, in this embodiment, only one form of the antenna assembly 10 shown in FIG. 1 is used as an example for illustration, which should not be construed as a limitation of the present application.
  • the gap size d between the first radiator 111 and the second radiator 121 is selected to be within the above range, so as to ensure a good coupling effect between the first radiator 111 and the second radiator 121 . Further optionally, 0.5mm ⁇ d ⁇ 1.5mm, so that the coupling effect between the first radiator 111 and the second radiator 121 is better.
  • the first antenna 110 is used for sending and receiving electromagnetic wave signals with the first frequency band of the GPS-L5 frequency band, the second frequency band of the electromagnetic wave signals of the GPS-L1 frequency band, the third frequency band of the electromagnetic wave signals of the WIFI-2.4G frequency band, and the fourth frequency band of The electromagnetic wave signal of the LTE-4G MHB frequency band, and the electromagnetic wave signal of the fifth frequency band is the NR-5G MHB frequency band; and the second antenna 120 is used for sending and receiving the seventh frequency band is the WIFI-5G frequency band and the eighth frequency band is the N78 frequency band, and the second antenna 120 is used for sending and receiving.
  • the ninth frequency band is the N77 frequency band
  • the tenth frequency band is the electromagnetic wave signal of the N79 frequency band as an example for description.
  • FIG. 26 is a schematic diagram of RL curves of the first antenna and the second antenna in the antenna assembly shown in FIG. 1 .
  • the first antenna 110 is used to send and receive electromagnetic wave signals in the GPS-L1 frequency band, electromagnetic wave signals in the GPS-L5 frequency band, electromagnetic wave signals in the WIFI 2.4G frequency band, electromagnetic wave signals in the LTE MHB frequency band, and The electromagnetic wave signal of the N41 frequency band; the second antenna 120 is used to send and receive the electromagnetic wave signal of the WIFI 5G frequency band.
  • the so-called RL curve refers to the return loss curve, which is called Return Loss in English, or RL for short.
  • the abscissa is frequency, and the unit is MHz; the ordinate is RL, and the unit is dB.
  • curve 1 ie, the solid line curve in the figure
  • curve 2 ie, the dotted line curve in the figure
  • the first antenna 110 has three modes: the first resonance mode a, the second resonance mode b, and the third resonance mode c, and the working frequency band of the first antenna 110 covers 1000MHz ⁇ 3000MHz; , supports the electromagnetic wave signal of GPS-L1 frequency band, the electromagnetic wave signal of GPS-L5 frequency band, the electromagnetic wave signal of LTE MHB frequency band, the electromagnetic wave signal of WIFI 2.4G frequency band, and the electromagnetic wave signal of N41 frequency band.
  • the first resonance mode a supports the GPS-L5 frequency band
  • the second resonance mode b supports the GPS-L1 frequency band
  • the third resonance mode c supports the LTE MHB frequency band and the N41 frequency band
  • the second resonance mode b and the third resonance mode Mode c jointly supports the WIFI 2.4G frequency band.
  • the second antenna 120 has two modes, the fifth resonance mode e and the sixth resonance mode f1, and the working frequency band of the second antenna 120 covers 4500MHz to 6500MHz; that is, it supports the WIFI 5.2G frequency band and the WIFI 5.8G frequency band. frequency band of electromagnetic waves.
  • the fifth resonance mode e supports the N79 frequency band
  • the sixth resonance mode f1 supports the WIFI 5.8G frequency band.
  • the first resonant mode a to the sixth resonant mode f1 all have relatively high efficiency bandwidths.
  • the antenna assembly 10 can cover the Sub 6G frequency band, the MHB frequency band and the UHB frequency band. Since the antenna assembly 10 is small in size, the space utilization rate of the electronic device 1 to which the antenna assembly 10 is applied can be improved.
  • FIG. 27 is a schematic diagram of the main current distribution corresponding to the first resonance mode.
  • the first signal source 112 is used to provide an excitation signal of a first frequency band, and the excitation signal of the first frequency band is used to excite the first radiator 111 to generate a first resonance mode a, and the first resonance mode
  • the resonant current of a is distributed between the first ground terminal G1 and the first free terminal F1.
  • the resonant current of the first resonant mode a flows from the first ground terminal G1 to the first free terminal F1 .
  • FIG. 28 is a schematic diagram of the main current distribution corresponding to the second resonance mode.
  • the first signal source 112 is also used to provide an excitation signal, and the excitation signal is used to excite the first radiator 111 to generate a second resonant mode b, and the resonant current of the second resonant mode b is distributed in the band. between the pass filter 114 and the first free end F1.
  • the resonant current of the second resonant mode b flows from the ground to the band-pass filter 114 , and is transmitted to the first free end F1 via the connection point P3 .
  • the first signal source 112 is configured to provide an excitation signal to excite the first radiator 111 to generate a third resonance mode.
  • the current of the third resonant mode is distributed between the first feeding point P1 and the first free end F1, and the third resonant mode is used to cover the third frequency band, the fourth frequency band and the fifth frequency band The transmission and reception of electromagnetic wave signals in the frequency band.
  • the third frequency band includes the WIFI 2.4G frequency band
  • the fourth frequency band includes the LTE MHB frequency band
  • the fifth frequency band includes the N41 frequency band.
  • the first antenna 110 is also used to send and receive electromagnetic wave signals in the WIFI 2.4G frequency band, electromagnetic wave signals in the LTE MHB frequency band, and electromagnetic wave signals in the N41 frequency band.
  • WIFI 2.4G frequency band includes 2.4GHz ⁇ 2.5GHz; LTE MHB frequency band refers to Middle High Band, and its frequency band range is: 1000MHz ⁇ 3000MHz.
  • the N41 frequency band refers to the electromagnetic wave signal in the frequency range of 2496MHz-2690MHz.
  • the first antenna 110 transmits and receives electromagnetic wave signals in the first frequency band and electromagnetic wave signals in the second frequency band, it is also used for transmitting and receiving electromagnetic wave signals in the WIFI 2.4G frequency band, electromagnetic wave signals in the LTE MHB frequency band, and electromagnetic wave signals in the N41 frequency band.
  • the electromagnetic wave signal means that the first antenna 110 can transmit and receive electromagnetic wave signals in the first frequency band, electromagnetic wave signals in the second frequency band, electromagnetic wave signals in the WIFI 2.4G frequency band, electromagnetic wave signals in the LTE MHB frequency band, and electromagnetic waves in the N41 frequency band at the same time. Signal.
  • the first antenna 110 of the present application can transmit and receive electromagnetic wave signals in more frequency bands, so the communication performance of the antenna assembly 10 is better.
  • the second signal source 122 is used to provide an excitation signal to excite the second radiator 121 to generate a fourth resonance mode and a fifth resonance mode, the fourth resonance The mode and the fifth resonance mode are used to transmit and receive electromagnetic wave signals covering the sixth frequency band.
  • the resonant current of the fourth resonant mode is distributed between the second ground terminal G2 and the second free terminal F2 .
  • the resonant current of the fifth resonant mode is distributed between the second feeding point P2 and the second free end F2 .
  • the sixth frequency band is the WIFI 5G frequency band.
  • the second antenna 120 is used to transmit and receive electromagnetic wave signals in the WIFI 5G frequency band.
  • the WIFI 5G frequency band includes electromagnetic wave signals in the frequency bands of WIFI 5.2G (corresponding to the fourth resonance mode d) and WIFI 5.8G (corresponding to the fifth resonance mode e).
  • the first isolation circuit 113 and the second isolation circuit 123 are used to adjust the resonant frequency of the second antenna 120 according to preset frequency selection parameters, so that the second antenna 120 resonates In the seventh resonance mode and the eighth resonance mode, the seventh resonance mode is used to cover the transmission and reception of electromagnetic wave signals of the eighth frequency band and the ninth frequency band, and the eighth resonance mode is used to cover the tenth frequency band The transmission and reception of electromagnetic wave signals.
  • the resonant current of the seventh resonant mode includes a first sub-current Ix and a second sub-current Iy, and the first sub-current Ix is distributed between the second free terminal F2 and the second ground Between the terminal G2, the second sub-current Iy is distributed between the second signal source 122 and the second feeding point P2; the resonant current of the eighth resonance mode is distributed between the second ground between the end G2 and the second free end F2.
  • the seventh frequency band is the N78 frequency band (3.3GHz ⁇ 3.8GHz)
  • the eighth frequency band is the N77 frequency band (3.3GHz ⁇ 4.2GHz)
  • the ninth frequency band is the N79 frequency band (4.4GHz ⁇ 4.2GHz) 5.0GHz). It can be understood that, in other implementation manners, the seventh frequency band, the eighth frequency band, and the ninth frequency band may also be other frequency bands.
  • the first feeding point P1 on the first radiator 111 is adjacent to the first On the part where the midpoint of the radiator 111 is close to the second radiator 121 , the second feeding point P2 on the second radiator 121 is adjacent to the part between the second radiator 121 and the first radiator 111 .
  • gap setting is the main current distributions corresponding to each mode, and do not represent all the current distributions in each mode. For example, in the first resonance mode a, the main current distribution is between the first ground terminal G1 and the first free terminal F1.
  • the second radiator 121 Due to the coupling effect between the first radiator 111 and the second radiator 121 , there will also be current coupled to the second radiator 121 .
  • the second radiator 121 also has current distribution, but in the second resonant mode b and the third resonant mode c, the main current It is distributed on the first radiator 111 but not on the second radiator 121 , so the current distribution on the second radiator 121 is not illustrated.
  • the main current is distributed on the second radiator 121, and at the same time, due to the coupling effect between the first radiator 111 and the second radiator 121 , the first radiator 111 also has current distribution.
  • FIG. 32 is a schematic diagram of RL curves of the first antenna and the second antenna in the antenna assembly shown in FIG. 18 .
  • the first antenna 110 is used for sending and receiving electromagnetic wave signals whose first frequency band is GPS-L5 frequency band
  • the second frequency band is electromagnetic wave signals of GPS-L1 frequency band
  • the third frequency band is electromagnetic wave signals of WIFI 2.4G frequency band
  • the fourth frequency band is It is the electromagnetic wave signal of the LTE MHB frequency band
  • the fifth frequency band is the electromagnetic wave signal of the NR MHB frequency band
  • the second antenna 120 is used for sending and receiving the electromagnetic wave signal of the seventh frequency band is the WIFI 5G frequency band
  • the eighth frequency band is the electromagnetic wave of the N78 frequency band.
  • the ninth frequency band is the electromagnetic wave signal of the N77 frequency band
  • the tenth frequency band is the electromagnetic wave signal of the N79 frequency band as examples for description.
  • the so-called RL curve refers to the return loss curve, which is called Return Loss in English, or RL for short.
  • the abscissa is frequency, and the unit is MHz; the ordinate is RL, and the unit is dB.
  • curve 1 ie, the solid line curve in the figure
  • the curve 2 ie, the dotted line curve in the figure
  • the first antenna 110 has three modes a, b, and c, and the working frequency band of the first antenna 110 covers 1000MHz to 3000MHz; Electromagnetic wave signal, electromagnetic wave signal in LTE MHB frequency band, electromagnetic wave signal in WIFI 2.4G frequency band, and electromagnetic wave signal in N41 frequency band.
  • the first resonance mode a supports the GPS-L5 frequency band
  • the second resonance mode b supports the GPS-L1 frequency band
  • the third resonance mode c supports the LTE MHB frequency band and the N41 frequency band
  • the second resonance mode b and the third resonance mode Mode c jointly supports the WIFI 2.4G frequency band.
  • the second antenna 120 has three modes: the seventh resonance mode d, the eighth resonance mode e, and the sixth resonance mode f1, and the working frequency band of the second antenna 120 covers 3000MHz-6500MHz; that is, it supports WIFI 5G frequency band, as well as electromagnetic wave signals of N78 frequency band, N77 frequency band, and N79 frequency band.
  • the seventh resonance mode d supports the N78 frequency band
  • the eighth resonance mode e supports the N77 frequency band and the N79 frequency band
  • the fifth resonance mode f supports the WIFI 5G frequency band.
  • the modes a to f all have high efficiency bandwidths, the positions of the feeding points P of the first radiator 111 of the first antenna 110 are different, and the resonant current is in the first radiator 111 distribution is different.
  • the antenna assembly 10 can cover the Sub 6G frequency band, the MHB frequency band and the UHB frequency band. Since the size of the antenna assembly 10 is small, the space utilization of the electronic device 1 to which the antenna assembly 10 is applied can be improved. Rate.
  • FIG. 32 is a schematic diagram of the main current distribution corresponding to the first resonance mode.
  • the resonant current of the first resonant mode a is distributed between the first ground terminal G1 and the first free terminal F1.
  • the resonant current of the first resonant mode a flows from the first ground terminal G1 to the first free terminal F1 .
  • FIG. 34 is a schematic diagram of the main current distribution corresponding to the second resonance mode.
  • the first signal source 112 is also used to provide an excitation signal, and the excitation signal is used to excite the first radiator 111 to generate a second resonant mode b, and the resonant current of the second resonant mode b is distributed in the band. between the pass filter 114 and the first free end F1.
  • the third resonance mode is used to transmit and receive electromagnetic wave signals covering the third frequency band, the fourth frequency band and the fifth frequency band.
  • the resonant current of the second resonant mode b flows from the ground to the band-pass filter 114 , and is transmitted to the first free end F1 via the connection point P3 .
  • FIG. 35 is a schematic diagram of the main current distribution corresponding to the third resonance mode.
  • the current of the third resonant mode is distributed between the first feeding point P1 and the first free end F1, and the third resonant mode is used to cover the third frequency band, the fourth frequency band and the fifth frequency band The transmission and reception of electromagnetic wave signals in the frequency band.
  • the resonance current of the fifth resonance mode is distributed between the second ground terminal G2 and the second free terminal F2.
  • the resonant current of the third resonant mode flows from the first signal source 112 to the first feeding point P1, and is transmitted to the first free via the first feeding point P1 terminal F1.
  • FIG. 36 is a schematic diagram of the main current distribution corresponding to the seventh resonance mode.
  • the seventh resonance mode is used to cover the transmission and reception of electromagnetic wave signals in the eighth frequency band.
  • the resonant current of the seventh resonant mode includes a first sub-current Ix and a second sub-current Iy, and the first sub-current Ix is distributed between the second free terminal F2 and the second ground terminal G2,
  • the second sub-current Iy is distributed between the second signal source 122 and the second feeding point P2;
  • the resonant current of the eighth resonance mode is distributed between the second ground terminal G2 and the second feed point P2. between the second free ends F2.
  • the first sub-current Ix flows from the second free terminal F2 through the second feeding point P2, and flows to the second ground terminal G2 via the second feeding point P2.
  • the second sub-current Iy flows from the second signal source 122 to the second feeding point P2.
  • FIG. 37 is a schematic diagram of the main current distribution corresponding to the eighth resonance mode.
  • the eighth resonance mode is used for transmitting and receiving electromagnetic wave signals covering the ninth frequency band and the tenth frequency band.
  • the resonance current of the eighth resonance mode is distributed between the second ground terminal G2 and the second free terminal F2.
  • the resonance current of the eighth resonance mode flows to the second free end F2 via the second ground terminal G2.
  • FIG. 38 is a schematic diagram of the main current distribution corresponding to the sixth resonance mode.
  • the sixth resonance mode is used for transmitting and receiving electromagnetic wave signals covering the seventh frequency band.
  • the resonant current of the sixth resonant mode is distributed between the second feeding point P2 and the second free end F2.
  • the resonant current of the sixth resonance mode flows from the second signal source 122 to the second feeding point P2, and then flows to the second feeding point P2 through the second feeding point P2 The second free end F2.
  • Figures 33-38 show the main current distributions corresponding to each mode, and do not represent all the current distributions in each mode.
  • the resonant current of the first resonant mode a is distributed between the first ground terminal G1 and the first free terminal F1; due to the coupling effect of the first radiator 111 and the second radiator 121 , there will also be current coupled to the second radiator 121 .
  • the second radiator 121 also has current distribution, but in the second resonant mode b and the third resonant mode c, the main current It is distributed on the first radiator 111 but not on the second radiator 121 , so the current distribution on the second radiator 121 is not illustrated.
  • the main current is distributed on the second radiator 121, and at the same time, due to the coupling effect of the first radiator 111 and the second radiator 121, the first radiator There is also a current distribution on the body 111 .
  • the antenna assembly 10 further includes a first filter 31 , a second filter 32 , a third filter 33 and a detection device 40 .
  • the first filter 31 is electrically connected between the first ground terminal G1 and the ground electrode GND1.
  • the second filter 32 is electrically connected between the first feeding point P1 and the first signal source 112 .
  • Both the first filter 31 and the second filter 32 are used to block the induction signal generated by the first radiator 111 when the subject to be measured is approached and conduct the radio frequency signal sent and received by the first radiator 111 .
  • One end of the third filter 33 is electrically connected to the first radiator 111 .
  • the other end of the third filter 33 is electrically connected to the detection device 40 .
  • the third filter 33 is used for blocking the radio frequency signal sent and received by the radiator and conducting the induction signal generated by the first radiator 111 .
  • the detection device 40 is used for detecting the magnitude of the induction signal generated by the first radiator 111 .
  • both the first filter 31 and the second filter 32 are capacitive devices.
  • both the first filter 31 and the second filter 32 include capacitors.
  • both the first filter 31 and the second filter 32 are capacitors.
  • Both the first filter 31 and the second filter 32 have the function of isolating the induction signal. In other words, the first filter 31 and the second filter 32 make the first radiator 111 in a "floating" state relative to the sensing signal, so that when the human body approaches, the first radiator 111 can sense the human body changes in the amount of charge brought about.
  • the above-mentioned change in the amount of charge forms an induction signal, which is transmitted to the detection device 40 through the third filter 33, and the detection device 40 determines whether the human body is by detecting whether the above-mentioned induction signal is greater than or equal to the preset intensity value.
  • the third filter 33 is used to block the radio frequency signal sent and received by the first radiator 111 and the conduction induction signal, so that the radio frequency signal sent and received by the first radiator 111 will not affect the detection device 40 to detect the induction signal detection accuracy.
  • the detection device 40 detects that the intensity value of the induction signal is greater than or equal to N, the detection device 40 detects that the human body is close to the first radiator 111 of the antenna assembly 10 .
  • the detection device 40 can detect the position of the human body approaching the electronic device 100 , so as to reduce the decrease when the human head approaches the electronic device 100
  • the power of the antenna assembly 10 is used to reduce the specific absorption rate of electromagnetic waves by the human body.
  • the antenna assembly 10 on the top, bottom and side of the display screen of the electronic device 100 , the hand-held state of the electronic device 100 can be detected intelligently, and the power of the antenna assembly 10 can be adjusted intelligently.
  • the first radiator 111 , the first filter 31 , the second filter 32 , the third filter 33 and the detection device 40 form a proximity sensing structure for the subject to be tested.
  • the subject to be tested includes, but is not limited to, the head, hands and other body parts of the human body. Since the first radiator 111 can not only serve as a transceiver port for electromagnetic wave signals, but also serve as a sensing electrode for proximity sensing signals, the antenna assembly 10 provided in the present application integrates the dual functions of sending and receiving electromagnetic wave signals and proximity sensing.
  • the antenna assembly 10 has multiple functions and small size. When the antenna assembly 10 is applied to the electronic device 100 , the electronic device 100 can be made small in size while ensuring that the electronic device 100 has a communication function and a proximity detection function.
  • the antenna assembly 10 further includes a fourth filter 34 , a fifth filter 35 and a sixth filter 36 .
  • the fourth filter 34 is electrically connected between the second feeding point P2 and the second signal source 122 .
  • the fifth filter 35 is electrically connected between the second ground terminal G2 and the ground electrode GND3.
  • the fourth filter 34 and the fifth filter 35 are both used to block the induction signal generated by the second radiator 121 when the subject to be measured is approaching and conduct the radio frequency signal sent and received by the second radiator 121 .
  • One end of the sixth filter 36 is electrically connected to the second radiator 121 .
  • the other end of the sixth filter 36 is electrically connected to the detection device 40 .
  • the sixth filter 36 is used for blocking the radio frequency signals sent and received by the second radiator 121 and conducting the induction signals generated by the second radiator 121 .
  • both the first radiator 111 and the second radiator 121 are used as sensing electrodes to increase the sensing range.
  • only one filter for blocking radio frequency signals and conducting induction signals can be provided, and the filter can be electrically connected to the first radiator 111 and/or the second radiator Body 121.
  • FIG. 4 is a three-dimensional structural diagram of an electronic device according to an embodiment of the present application.
  • FIG. 5 is a cross-sectional view of the line I-I in FIG. 4 according to an embodiment.
  • the electronic device 1 includes the antenna assembly 10 described in any of the foregoing embodiments.
  • FIG. 42 is a top view of a metal frame according to an embodiment of the application
  • FIG. 43 is a top view of a metal frame according to another embodiment of the application.
  • the electronic device 1 includes a metal frame 20 , a first signal source 112 , a second signal source 122 , and a band-pass filter circuit 114 .
  • the metal frame 20 includes a frame body 210 , a first metal branch 220 , and a second metal branch 230 .
  • the first metal branch 220 and the second metal branch 230 are spaced apart and coupled to each other.
  • One end of the first metal branch 220 facing away from the second metal branch 230 is connected to the frame body 210 .
  • the rest of the first metal branch 220 and the frame body 210 There is a gap between the rest of the first metal branch 220 and the frame body 210 .
  • the end of the second metal branch 230 facing away from the first metal branch 220 is connected to the frame body 210 .
  • the second metal branch 230 is connected to the frame body 210 .
  • the first metal branch 220 is electrically connected to the band-pass filter circuit 114 to ground, and the first metal branch 220 is also electrically connected to the first metal branch 220 .
  • a signal source 112 is formed to form the first antenna 110
  • the second metal branch 230 is electrically connected to the second signal source 122 to form the second antenna 120 .
  • the first metal branch 220 is the aforementioned first radiator 111
  • the second metal branch 230 is the aforementioned second radiator 121 .
  • the corners of the first metal branch 220 and the second metal branch 230 corresponding to the frame body 210 are used as examples for illustration; in FIG. 43 , the first metal branch 220 and all the The second metal branch 230 corresponds to the edge of the frame body 210 as an example for illustration.
  • the frame body 210 can constitute the ground pole, and the end of the first metal branch 220 facing away from the second metal branch 230 and the frame body 210
  • the first metal branch 220 is connected to ground; the end of the second metal branch 230 away from the first metal branch 220 is connected to the frame body 210 so that the second metal branch 230 is grounded.
  • the above is the structure of the antenna assembly 10 with dual antenna elements, the antenna assembly 10 with a single antenna element (such as the antenna structure in FIG. 2 ), and other antenna assemblies 10 with dual antenna elements (such as FIG. 12 ) can also refer to the above methods and
  • the metal middle frame is integrated into one.
  • the metal frame 20 includes a frame 240, the frame 240 is connected to the periphery of the frame body 210 by bending, the first metal branch 220 and the second metal branch 230 are formed on on the frame 240 .
  • the metal frame body 20 is the middle frame 30 of the electronic device 1 .
  • the first radiator 111 When the first radiator 111 is electrically connected to the ground of the middle frame 30, the first radiator 111 can also be connected to the ground of the middle frame 30 through connecting ribs, or the first radiator 111 can also be electrically connected to the ground through a conductive elastic sheet. Connect to the ground of middle frame 30.
  • the second radiator 121 when the second radiator 121 is electrically connected to the ground of the middle frame 30, the second radiator 121 can also be connected to the ground of the middle frame 30 through the connecting ribs, or the second radiator 121 can also be connected to the ground of the middle frame 30 through the connecting ribs.
  • the conductive elastic sheet is electrically connected to the ground of the middle frame 30 .
  • the material of the middle frame 30 is metal, such as aluminum-magnesium alloy.
  • the middle frame 30 generally constitutes the ground of the electronic device 1. When the electronic device in the electronic device 1 needs to be grounded, the middle frame 30 can be connected to the ground.
  • the ground system in the electronic device 1 includes, in addition to the middle frame 30 , the ground on the circuit board 50 and the ground in the screen 40 .
  • the electronic device 1 further includes a screen 40 , a circuit board 50 and a battery cover 60 .
  • the screen 40 may be a display screen with display function, or may be a screen 40 integrated with display and touch functions.
  • the screen 40 is used to display text, images, videos and other information.
  • the screen 40 is carried on the middle frame 30 and is located on one side of the middle frame 30 .
  • the circuit board 50 is usually also carried on the middle frame 30 , and the circuit board 50 and the screen 40 are carried on opposite sides of the middle frame 30 .
  • At least one or more of the first signal source 112 , the second signal source 122 , the first isolation circuit 113 , and the second isolation circuit 123 in the antenna assembly 10 described above may be disposed on the circuit board 50 .
  • the battery cover 60 is disposed on the side of the circuit board 50 away from the middle frame 30 .
  • the battery cover 60 , the middle frame 30 , the circuit board 50 , and the screen 40 cooperate with each other to assemble a complete unit.
  • electronic equipment 1 Understandably, the description of the structure of the electronic device 1 is only a description of a form of the structure of the electronic device 1 , and should not be construed as a limitation on the electronic device 1 or as a limitation on the antenna assembly 10 .
  • the metal frame 20 may not be the middle frame 30 , but only a metal frame 20 is disposed inside the electronic device 1 .
  • the first radiator 111 is an FPC antenna radiator or an LDS antenna radiator, or a PDS antenna radiator, or a metal branch;
  • the second radiator 121 is an FPC antenna radiator or It is an LDS antenna radiator, or a PDS antenna radiator, or a metal branch.
  • the first radiator 111 may be disposed on the edge of the middle frame 30 and electrically connected to the middle frame 30 . It can be understood that, in other embodiments, the first radiator 111 and the second radiator 121 may also be arranged at other positions, and are electrically connected to the ground system in the electronic device 1 .
  • the ground system in the electronic device 1 includes a middle frame 30, a screen 40, and a circuit board 50.
  • the first radiator 111 and the second radiator 121 are electrically connected to the ground system of the electronic device 1, including the The first radiator 111 and the second radiator 121 are electrically connected to any one or more of the middle frame 30 , the screen 40 , and the circuit board 50 .
  • the length L 1 of the first metal branch 220 satisfies: 20mm ⁇ L1 ⁇ 30mm
  • the length L 2 of the second metal branch 230 satisfies: L 2 ⁇ L 1
  • the first metal branch satisfies: L 2 ⁇ L 1
  • the size d of the gap between 220 and the second metal branch 230 satisfies: 0.5mm ⁇ d ⁇ 2.0mm, and further optionally, d satisfies: 0.5mm ⁇ d ⁇ 1.5mm.
  • the first metal branch 220 is the first radiator 111 described above
  • the second metal branch 230 is the second radiator 121 described above
  • the For the definition of the length of the first metal branch 220 please refer to the definition of the length of the first radiator 111 above
  • the definition of the second metal branch 230 to refer to the definition of the length of the second radiator 121 above, which will not be repeated here.
  • the length range of the first metal branch 220 can make the first antenna 110 support the electromagnetic wave signal of GPS-L1 frequency band, the electromagnetic wave signal of GPS-L5 frequency band, the electromagnetic wave signal of WIFI 2.4G frequency band, the electromagnetic wave signal of LTE MHB frequency band, And the electromagnetic wave signal of the electromagnetic wave signal of the N41 frequency band.
  • the second metal branch 230 is smaller than the length of the second metal branch 230, and the frequency band of the electromagnetic wave signal sent and received by the first antenna 110 is lower than the frequency band of the electromagnetic wave signal sent and received by the second antenna 120, so that the antenna
  • the component 10 can cover more frequency bands during operation.
  • the antenna component 10 can cover the Sub 6G frequency band, the MHB frequency band and the UHB frequency band, thereby improving the communication effect of the antenna component 10 .
  • FIG. 44 is a schematic diagram of the positions of the first metal branch and the second metal branch on the electronic device in one embodiment.
  • the electronic device 1 includes a top 1a and a bottom 1b, and the first metal branch 220 and the second metal branch 230 are both disposed on the top 1a.
  • the so-called top 1a refers to the upper part of the electronic device 1 when in use, and the bottom 1b is the lower part of the electronic device 1 opposite to the top 1a.
  • the electronic device 1 in this embodiment includes a first side 11 , a second side 12 , a third side 13 , and a fourth side 14 that are connected end to end in sequence.
  • the first side 11 and the third side 13 are short sides of the electronic device 1
  • the second side 12 and the fourth side 14 are long sides of the electronic device 1 .
  • the first side 11 is opposite to the third side 13 and is spaced apart
  • the second side 12 is opposite to the fourth side 14 and is spaced apart
  • the second side 12 and the first side 11 are respectively
  • the third side 13 is connected by bending
  • the fourth side 14 is connected with the first side 11 and the third side 13 respectively by bending.
  • the connection between the fourth side 14 and the first side 11 both forms a corner of the electronic device 1 .
  • the first side 11 is the top side
  • the second side 12 is the right side
  • the third side 13 is the lower side
  • the fourth side 14 is the left side.
  • the angle formed by the first side 11 and the second side 12 is the upper right corner
  • the angle formed by the first side 11 and the fourth side 14 is the upper left corner.
  • the top 1a includes three cases: the first radiator 111 and the second radiator 121 are disposed in the upper left corner of the electronic device 1; or, the first radiator 111 and the second radiator The body 121 is arranged on the top side of the electronic device 1 ; or the first radiator 111 and the second radiator 121 are arranged on the upper right corner of the electronic device 1 .
  • the first radiator 111 and the second radiator 121 are disposed at the upper left corner of the electronic device 1, the following situations are included: the first radiator 111 is located on the left side, and the first radiator 111 is located on the left side. The other part of a radiator 111 is located on the top side, and the second radiator 121 is located on the top side; or, a part of the second radiator 121 is located on the top side, and the other part of the second radiator 121 is located on the top side is located on the left, and the first radiator 111 is located on the left.
  • the first radiator 111 and the second radiator 121 are disposed at the upper right corner of the electronic device 1, it includes the following situations: the first radiator 111 is partially located on the top side, the first The other part of the radiator 111 is located on the right side, and the second radiator 121 is located on the right side; or, the second radiator 121 part is located on the right side, the second radiator 121 The first radiator 111 is partially located at the top edge.
  • the top 1a of the electronic device 1 is usually away from the ground, and the bottom 1b of the electronic device 1 is usually close to the ground.
  • the first radiator 111 and the second radiator 121 are disposed on the top 1a, the radiation efficiency of the upper hemisphere of the first antenna 110 and the second antenna 120 is better, so that the first antenna 110 and the second antenna 120 have better radiation efficiency in the upper hemisphere.
  • the second antenna 120 has better communication efficiency.
  • the first radiator 111 and the second radiator 121 may also be disposed corresponding to the bottom 1 b of the electronic device 1 , although the first radiator 111 and the second radiator 121
  • the radiation efficiency of the upper hemisphere of the first antenna 110 and the second antenna 120 is not so good, but as long as the radiation efficiency of the upper hemisphere is greater than or equal to the preset efficiency, the radiation efficiency of the upper hemisphere can be relatively good. communication effect.
  • FIG. 45 is a schematic diagram of the positions of the first radiator and the second radiator in the electronic device in another embodiment.
  • the electronic device 1 in this embodiment includes a first side 11 , a second side 12 , a third side 13 , and a fourth side 14 that are connected end to end in sequence.
  • the first side 11 and the third side 13 are short sides of the electronic device 1
  • the second side 12 and the fourth side 14 are long sides of the electronic device 1 .
  • the first side 11 is opposite to the third side 13 and is spaced apart
  • the second side 12 is opposite to the fourth side 14 and is spaced apart
  • the second side 12 and the first side 11 are respectively
  • the third side 13 is connected by bending
  • the fourth side 14 is connected with the first side 11 and the third side 13 respectively by bending.
  • the connection between the fourth side 14 and the first side 11 both forms a corner of the electronic device 1 .
  • the first radiator 111 and the second radiator 121 can be arranged corresponding to any corner of the electronic device 1 .
  • the first radiator 111 and the second radiator 121 are both Corresponding to the same corner setting of the electronic device 1 .
  • the efficiency of the first antenna 110 and the second antenna 120 is high.
  • the first side 11 and the third side 13 are short sides of the electronic device 1
  • the second side 12 and the fourth side 14 are electronic
  • the long side of the device 1 is taken as an example for illustration. In other embodiments, the lengths of the first side 11 , the second side 12 , the third side 13 , and the fourth side 14 are equal.
  • the number of the antenna assemblies 10 is multiple.
  • the number of the antenna assemblies 10 is two, and the metal branches of the two antenna assemblies 10 can also be disposed at two diagonal corners.
  • the electronic device 100 is detected close to a human body in a small number of more sides and in a larger range.
  • the corners are not easily blocked, so as to increase the signal quality of the electronic device 100 during use.

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Abstract

La présente invention concerne un ensemble antenne et un dispositif électronique. L'ensemble antenne comprend une première antenne. Un premier élément rayonnant comprend une première extrémité de masse et une première extrémité libre. Un premier point d'alimentation et un point de raccordement sont prévus entre la première extrémité de masse et la première extrémité libre. Le premier élément rayonnant est électriquement connecté à une première source de signal au niveau du premier point d'alimentation, et le premier élément rayonnant connecte en outre électriquement un circuit de filtre passe-bande à la masse au niveau du point de connexion. La première source de signal est utilisée pour fournir un signal d'excitation d'une première bande de fréquences, le signal d'excitation de la première bande de fréquences est utilisé pour exciter le premier élément rayonnant pour générer un premier mode résonant, et le courant résonant du premier mode résonant est réparti entre la première extrémité de masse et la première extrémité libre. La première source de signal est également utilisée pour fournir un signal d'excitation d'une seconde bande de fréquences, le signal d'excitation de la seconde bande de fréquences est utilisé pour exciter le premier élément rayonnant pour générer un second mode résonant, et le courant résonant du second mode résonant est distribué entre le filtre passe-bande et la première extrémité libre. L'équipement de locaux d'abonné selon l'invention présente un bon effet de communication.
PCT/CN2021/121376 2020-09-30 2021-09-28 Ensemble antenne et dispositif électronique WO2022068827A1 (fr)

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CN202011066428.8 2020-09-30
CN202011066428.8A CN112086752A (zh) 2020-09-30 2020-09-30 天线组件和电子设备
CN202110223348.7 2021-02-26
CN202110223348.7A CN112838370B (zh) 2020-09-30 2021-02-26 天线组件和电子设备

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CN114465007A (zh) * 2022-01-28 2022-05-10 Oppo广东移动通信有限公司 天线组件及移动终端
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