WO2023116353A1 - Dispositif électronique - Google Patents

Dispositif électronique Download PDF

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Publication number
WO2023116353A1
WO2023116353A1 PCT/CN2022/134744 CN2022134744W WO2023116353A1 WO 2023116353 A1 WO2023116353 A1 WO 2023116353A1 CN 2022134744 W CN2022134744 W CN 2022134744W WO 2023116353 A1 WO2023116353 A1 WO 2023116353A1
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WO
WIPO (PCT)
Prior art keywords
antenna
frame
radiator
frequency band
electronic device
Prior art date
Application number
PCT/CN2022/134744
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English (en)
Chinese (zh)
Other versions
WO2023116353A9 (fr
Inventor
彭致勇
Original Assignee
深圳市锐尔觅移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 深圳市锐尔觅移动通信有限公司 filed Critical 深圳市锐尔觅移动通信有限公司
Publication of WO2023116353A1 publication Critical patent/WO2023116353A1/fr
Publication of WO2023116353A9 publication Critical patent/WO2023116353A9/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—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
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details

Definitions

  • the present application relates to the technical field of communications, and in particular to an electronic device.
  • the present application provides an electronic device, and the electronic device includes:
  • a conductive frame includes a frame body, a first frame and a second frame, the first frame and the second frame are connected to the periphery of the frame body, and the first frame and the second frame The second frame is bent and connected, wherein the length of the first frame is greater than the length of the second frame;
  • An antenna assembly comprising:
  • the first antenna is the main transmitting antenna and works in the first frequency band
  • the first antenna includes a first radiator, one end of the first radiator is located on the first frame away from the first one end of the second frame;
  • the second antenna is a diversity receiving antenna, and works in the first frequency band
  • the second antenna includes a second radiator, one end of the second radiator is located at the first frame away from the one end of the first radiator, and the other end is located at the second frame.
  • FIG. 1 is a schematic diagram of an identification of a conductive frame in an electronic device provided by an embodiment of the present application.
  • FIG. 2 is an identification diagram of an antenna assembly in the electronic device provided in FIG. 1 .
  • FIG. 3 is a schematic diagram of various components in the electronic device provided in FIG. 1 .
  • FIG. 4 is a schematic diagram of a first antenna in the electronic device provided in FIG. 1 .
  • FIG. 5 is a block circuit diagram of the electronic device provided in FIG. 1 .
  • FIG. 6 is a circuit block diagram of the first antenna shown in FIG. 5 .
  • FIG. 7 is a schematic diagram of a second antenna in an electronic device provided in another embodiment of the present application.
  • Fig. 8 is a circuit block diagram of a third antenna in an electronic device according to an embodiment.
  • FIG. 9 is a circuit block diagram of a fifth antenna in an embodiment.
  • Fig. 10 is a pattern diagram when the third antenna works in the third frequency band.
  • Fig. 11 is a pattern diagram of the ninth antenna working in the third frequency band.
  • Fig. 12 is a directivity diagram when the third antenna and the ninth antenna are combined and work in the third frequency band.
  • FIG. 13 is a circuit diagram of a tenth antenna provided by an embodiment of the present application.
  • FIG. 14 is a three-dimensional structure diagram of an electronic device provided by an embodiment of the present application.
  • FIG. 15 is a cross-sectional view of the electronic device in FIG. 14 along line I-I.
  • An embodiment of the present application provides an electronic device, and the electronic device includes:
  • a conductive frame includes a frame body, a first frame and a second frame, the first frame and the second frame are connected to the periphery of the frame body, and the first frame and the second frame The second frame is bent and connected, wherein the length of the first frame is greater than the length of the second frame;
  • An antenna assembly comprising:
  • the first antenna is the main transmitting antenna and works in the first frequency band
  • the first antenna includes a first radiator, one end of the first radiator is located on the first frame away from the first one end of the second frame;
  • the second antenna is a diversity receiving antenna, and works in the first frequency band
  • the second antenna includes a second radiator, one end of the second radiator is located at the first frame away from the one end of the first radiator, and the other end is located at the second frame.
  • the electronic equipment also includes:
  • the controller is electrically connected to the first antenna and the second antenna, and the controller is used to use the second antenna as the first frequency band for current transmission when the transmission performance of the first antenna is not good
  • the transmitting antenna of the electromagnetic wave signal is not good
  • the second antenna also includes:
  • a first capacitor one end of the first capacitor is electrically connected to the second radiator, the other end of the first capacitor is grounded, and the first capacitor is used to adjust the first frequency band supported by the second antenna
  • the resonant frequency point of , and the first capacitor is used to make the second radiator serve as a SAR detection radiator.
  • the first antenna also includes:
  • a first switch the first switch is used to switch the first matching circuit electrically connected to the first radiator, so that the first antenna supports the first sub-frequency band, the second sub-frequency band, the second sub-frequency band in the first frequency band.
  • the third sub-band and the fourth sub-band are the first switch used to switch the first matching circuit electrically connected to the first radiator, so that the first antenna supports the first sub-frequency band, the second sub-frequency band, the second sub-frequency band in the first frequency band.
  • the conductive frame also includes:
  • the third frame, the third frame is set opposite to the first frame, and the third frame is connected to the second frame by bending, the third frame and the first frame are both set on the one side of the second border;
  • the antenna assembly also includes:
  • the third antenna works in the second frequency band, the first frequency band, and the third frequency band
  • the third antenna includes a third radiator, the third radiator is located adjacent to the third frame One end of the second border.
  • the third antenna also includes:
  • a first combiner the first combiner includes three first input terminals and a first output terminal, each first input terminal of the three first input terminals is electrically connected to the three One of the first radio frequency front-end circuits in the first radio frequency front-end circuit, and different first input terminals are electrically connected to different first radio frequency front-end circuits;
  • a second matching circuit one end of the second matching circuit is electrically connected to the first output end of the first combiner, and the other end is electrically connected to the third radiator.
  • the antenna assembly also includes:
  • the fourth antenna is the main transmitting antenna and works in the fourth frequency band
  • the fourth antenna includes a fourth radiator
  • the fourth radiator is located on the second frame away from the first frame one end.
  • the conductive frame also includes:
  • a fourth frame, the fourth frame is set opposite to the second frame, and the fourth frame is respectively connected to the first frame and the third frame by bending;
  • the antenna assembly also includes:
  • the fifth antenna is the diversity receiving antenna of the fourth frequency band, and the main set transmitting antenna of the fifth frequency band, wherein the fifth frequency band includes the fifth sub-frequency band, the sixth sub-frequency band and the seventh sub-frequency band In the frequency sub-band, the fifth antenna includes a fifth radiator, and the fifth radiator is located at an end of the fourth frame adjacent to the first frame.
  • the fifth antenna also includes:
  • a third matching circuit the third matching circuit is connected in series with the second capacitor, and the excitation signal is coupled and fed to the fifth radiator through the second capacitor, so as to excite 1 of the fifth radiator /8 mode, the 1/8 mode is used to support the fourth frequency band, and the parasitic mode of the fifth radiator is used to support the fifth frequency band.
  • the antenna assembly also includes:
  • the sixth antenna is the main transmitting antenna of the fourth frequency band and the diversity receiving antenna of the sixth sub-frequency band in the fifth frequency band
  • the sixth antenna includes a sixth radiator
  • the sixth The radiator is located on the first frame and at an end of the first radiator away from the second frame.
  • the antenna assembly also includes:
  • a seventh antenna is a diversity receiving antenna, used to support the sixth sub-band of the fourth frequency band and the fifth frequency band, the seventh antenna includes a seventh radiator, the The seventh radiator is disposed at an end of the third frame away from the second frame.
  • the fourth antenna, the fifth antenna, the sixth antenna, and the seventh antenna are used to form a 4*4 MIMO antenna of a fourth frequency band.
  • the antenna assembly also includes:
  • An eighth antenna is used to support the sixth frequency band and the sixth sub-band of the fifth frequency band, the eighth antenna includes an eighth radiator, the eighth radiator is located in the fourth frame, and Located at an end of the fifth radiator away from the first frame.
  • the fifth antenna, the sixth antenna, the seventh antenna, and the eighth antenna are used to form a 4*4 MIMO antenna of the sixth sub-band; or, the fifth antenna, the first The six antennas, the seventh antenna and the eighth antenna are used to implement 1T4R in the sixth sub-band.
  • the antenna assembly also includes:
  • a ninth antenna is used to support the third frequency band and the seventh frequency band, the ninth antenna includes a ninth radiator, and a part of the ninth radiator is located on the third frame away from the One end of the third radiator.
  • the antenna assembly also includes:
  • a tenth antenna is used to support the sixth frequency band, the tenth antenna includes a tenth radiator, the tenth radiator is located in the third frame, and is located in the third radiator and the seventh radiator.
  • the pattern from the feeding point of the tenth radiator to the end of the tenth radiator is used to support the sixth frequency band.
  • the tenth antenna includes:
  • a second combiner the second combiner includes two second input terminals and a second output terminal, each second input terminal of the two second input terminals is electrically connected to two second A second RF front-end circuit in the RF front-end circuit, and different second input terminals are electrically connected to different second RF front-end circuits;
  • a fourth matching circuit one end of the fourth matching circuit is electrically connected to the second output end of the second combiner, and the other end is electrically connected to the tenth radiator, so that the tenth radiator supports the The second frequency band and the sixth frequency band.
  • the conductive frame body is a middle frame of the electronic device, and the radiators in each antenna in the antenna assembly are metal branches formed on each frame.
  • the radiator in each of the antennas is electrically connected to the frame body through a conductive member to be grounded.
  • the present application provides an electronic device 1, which includes, but is not limited to, a mobile phone, an Internet device (mobile internet device, MID), an electronic book, a portable playback station (Play Station Portable, PSP) or a personal digital assistant ( Personal Digital Assistant, PDA) and other electronic devices with communication functions1.
  • a mobile phone includes, but is not limited to, a mobile phone, an Internet device (mobile internet device, MID), an electronic book, a portable playback station (Play Station Portable, PSP) or a personal digital assistant ( Personal Digital Assistant, PDA) and other electronic devices with communication functions1.
  • MID mobile internet device
  • PSP Portable
  • PDA Personal Digital Assistant
  • FIG. 1 is a schematic diagram of the identification of the conductive frame in the electronic device provided in an embodiment of the present application
  • FIG. 2 is a diagram of the identification of the antenna component in the electronic device provided in FIG. 1
  • FIG. 3 It is a schematic diagram of various components in the electronic device provided in FIG. 1 .
  • the electronic device 1 includes a conductive frame 10 and an antenna assembly 20 .
  • the conductive frame 10 includes a frame body 110, a first frame 120 and a second frame 130, the first frame 120 and the second frame 130 are connected to the periphery of the frame body 110, and the second frame A frame 120 is bent and connected to the second frame 130 , wherein the length of the first frame 120 is greater than the length of the second frame 130 .
  • the antenna assembly 20 includes a first antenna 210 and a second antenna 220 .
  • the first antenna 210 is the main transmitting antenna (PRX) and works in the first frequency band.
  • the first antenna 210 includes a first radiator 211, and one end of the first radiator 211 is located on the first frame 120 One end away from the second frame 130 .
  • the second antenna 220 is a diversity receiving antenna (DRX), and works in the first frequency band, the second antenna 220 includes a second radiator 221, and one end of the second radiator 221 is located at the first One end of the frame 120 is away from the first radiator 211 , and the other end is located at the second frame 130 .
  • DRX diversity receiving antenna
  • the conductive frame body 10 may be the middle frame 40 in the electronic device 1 , or other frames except the middle frame 40 , as long as it is conductive. In this embodiment and the following embodiments, the conductive frame body 10 is taken as the middle frame 40 of the electronic device 1 as an example. limit.
  • the material of the conductive frame 10 may be conductive, for example, the material of the conductive frame 10 is but not limited to at least one or more of copper, aluminum, magnesium, gold, silver and the like. It can be understood that, in other embodiments, the conductive frame body 10 may also include partially non-conductive materials in addition to conductive materials, as long as the conductive frame body 10 includes conductive materials.
  • the shape of the frame body 110 may be, but not limited to, a cuboid or a cuboid-like shape.
  • the frame body 110 may constitute the ground of the electronic device 1 . When the components in the electronic device 1 need to be grounded, they can be electrically connected to the frame body 110 .
  • the radiators of the antennas in the electronic device 1 need to be grounded, they can be electrically connected to the frame body 110 for grounding. Understandably, the electronic device 1 also includes other ground electrodes, such as the ground electrode of the circuit board 60 (please refer to FIG. 3 ), or the ground electrode in the screen 50 (please refer to FIG. 14 and FIG. 15 ).
  • the ground electrode in the electronic device 1 also includes the middle frame 40 .
  • the conductive frame body 10 is used as the middle frame 40 as an example for illustration.
  • the first frame 120 is connected to the periphery of the frame body 110.
  • the first frame 120 is a frame located on the right side of the frame body 110. It can be understood that the first frame The position of 120 relative to the frame body 110 varies with the placement posture of the conductive frame 10 , and the first frame 120 in the schematic diagram of this embodiment is compared with the The location should not be understood as a limitation on the electronic device 1 provided in this application.
  • the first frame 120 protrudes from at least one of the two opposite surfaces of the frame body 110 to cooperate with the frame body 110 to carry other components in the electronic device 1 (such as screen 50, circuit board 60, etc.).
  • the first frame 120 is flush with the frame body 110 , even lower than at least one of the two opposite surfaces of the frame body 110 . Understandably, as long as the first frame 120 is connected to the periphery of the frame body 110 .
  • the second frame 130 is connected to the periphery of the frame body 110.
  • the second frame 130 is a frame located on the lower side of the frame body 110. It can be understood that the second The position of the frame 130 relative to the frame body 110 varies with the placement posture of the conductive frame 10 , the second frame 130 in the schematic diagram of this embodiment is compared with the frame body 110 The position of should not be understood as a limitation on the electronic device 1 provided in this application.
  • the second frame 130 protrudes from at least one of the two opposite surfaces of the frame body 110 to cooperate with the frame body 110 to carry other components in the electronic device 1 (such as screen 50, circuit board 60, etc.).
  • the second frame 130 is flush with the frame body 110 , even lower than at least one of the two opposite surfaces of the frame body 110 . Understandably, as long as the second frame 130 is connected to the periphery of the frame body 110 .
  • the first frame 120 is bent and connected to the second frame 130 , and the connection between the first frame 120 and the second frame 130 may be arc-shaped or right-angled, acute-angled, or obtuse-angled.
  • the length of the first frame 120 is greater than the length of the second frame 130, therefore, the first frame 120 is the long frame in the conductive frame 10, and the second frame 130 is the long frame of the conductive frame 130. Short borders in 10.
  • the first antenna 210 is a primary transmitting antenna (PRX) and works in a first frequency band. In this implementation manner, it is illustrated by taking the first frequency band as a low frequency (Lower Band, LB) as an example.
  • the first antenna 210 can support low frequency bands of 2G, 3G, 4G, and 5G. That is, the frequency range of the low frequency is 703 MHz-960 MHz, for example, the B28 frequency band, or the B20 frequency band, or the B5 frequency band, or the B8 frequency band.
  • the first frequency band is low frequency, therefore, the length of the required first radiator 211 is longer, and the first radiator 211 is arranged on the longer first frame 120, which is beneficial to the first radiator 211.
  • the layout of a radiator 211 is a primary transmitting antenna (PRX) and works in a first frequency band. In this implementation manner, it is illustrated by taking the first frequency band as a low frequency (Lower Band, LB) as an example.
  • the first antenna 210 can support
  • the first antenna 210 may be a flexible printed circuit board (Flexible Printed Circuit, FPC) antenna, or a laser direct structuring (Laser Direct Structuring, LDS) antenna, or a printing direct structuring (Print Direct Structuring, PDS) antenna ) antenna or metal stud antenna.
  • the first radiator 211 may be a flexible circuit board antenna radiator, a laser direct forming antenna radiator, a printing direct forming antenna radiator, or a metal branch.
  • the first radiator 211 can be disposed on the first frame 120 , or directly formed on the first frame 120 .
  • the first radiator 211 can be directly arranged on the first frame 120
  • the first radiator 211 can be a flexible circuit board antenna radiator or a laser direct forming antenna radiator, or a printing direct forming Antenna radiator, or a metal branch.
  • the first radiator 211 may be a metal branch.
  • gaps may be formed on the first frame 120 to form metal branches separated by the frame body 110 through the gaps, and the metal branches are the first radiators 211 .
  • the first antenna 210 may be, but not limited to, an inverted-F antenna (Inverted-F Antenna, IFA), or a loop antenna (Loop Antenna), or a monopole antenna (Monopole Antenna).
  • IFA inverted-F Antenna
  • loop antenna Loop Antenna
  • monopole antenna Monopole Antenna
  • one end of the first radiator 211 is located at the end of the first frame 120 away from the second frame 130, therefore, when the electronic device 1 is in use, the first radiator The one end of the first radiator 211 is not easily blocked by the user's hand holding the electronic device 1 , thereby reducing performance degradation caused when the one end of the first radiator 211 is covered by the hand.
  • the position setting of the first radiator 211 can make the electronic device 1 close to the head (for example, to answer the phone), and the electromagnetic wave signal of the first frequency band transmitted and received by the first antenna 210 is not easy to be detected by the user. head cover.
  • the position setting of the first radiator 211 can improve the performance of the electronic device 1 when it is held or placed close to the head, that is, the first radiator 211 of the present application
  • the position of 211 makes the first antenna 210 have better head-and-hand performance.
  • the first radiator 211 when the first radiator 211 is arranged on the short side frame of the top, compared with not shielding the first radiator 211 (equivalent to being arranged in a free space), when the electronic device 1 is placed When the first antenna 210 is held or placed close to the user's head, the head-hand performance of the first antenna 210 will drop by 7-8dB; while the electronic device 1 provided by the embodiment of the present application, compared with the first radiator 211 without shielding (equivalent to setting in a free space), when the electronic device 1 is held or placed close to the user's head, the head-hand performance of the first antenna 210 will drop by 2-3 dB. It can be seen that the position setting of the first radiator 211 in the electronic device 1 provided in the embodiment of the present application can make the first antenna 210 have better head-and-hand performance.
  • the second antenna 220 is a diversity receiving antenna (DRX), and works in the first frequency band.
  • the second antenna 220 and the first antenna 210 can support the first frequency band at the same time, or, at the same time, one of the second antenna 220 and the first antenna 210 is in the control signal Work under control. In this implementation manner, it is illustrated by taking the first frequency band as a low frequency as an example.
  • the second antenna 220 can support low-frequency bands of 2G, 3G, 4G, and 5G. That is, the frequency range of the low frequency is 703 MHz-960 MHz, for example, the B28 frequency band, or the B20 frequency band, or the B5 frequency band, or the B8 frequency band.
  • the required length of the second radiator 221 is longer, and one end of the second radiator 221 is located at the side of the first frame 120 away from the first radiator 211 One end and the other end are located on the second frame 130 , so as to facilitate the layout of the second radiator 221 .
  • the second antenna 220 may be a flexible printed circuit board (Flexible Printed Circuit, FPC) antenna, or a laser direct structuring (Laser Direct Structuring, LDS) antenna, or a printing direct structuring (Print Direct Structuring, PDS) antenna. ) antenna or metal stud antenna.
  • the second radiator 221 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna radiator or a laser direct forming (Laser Direct Structuring, LDS) antenna radiator, or a printing direct forming (Print Direct Structuring , PDS) antenna radiator, or a metal branch.
  • the second radiator 221 can be disposed on the second frame 130 , or directly formed on the second frame 130 .
  • the second radiator 221 can be directly arranged on the second frame 130
  • the second radiator 221 can be a flexible circuit board antenna radiator or a laser direct forming antenna radiator, or a printing direct forming Antenna radiator, or a metal branch.
  • the second radiator 221 may be a metal branch.
  • gaps can be formed on the first frame 120 and the second frame 130 to form metal branches separated by the frame body 110 through the gaps, and the metal branches are the second radiators 221 .
  • the second antenna 220 may be, but not limited to, an inverted-F antenna (Inverted-F Antenna, IFA), or a loop antenna (Loop Antenna), or a monopole antenna (Monopole Antenna).
  • IFA inverted-F Antenna
  • loop antenna Loop Antenna
  • monopole antenna Monopole Antenna
  • the positions of the first radiator 211 and the second radiator 221 are set so that in free space, the performance of the second antenna 220 is better than that of the first antenna.
  • the performance of 210 is high (about 1.5dB higher); when the electronic device 1 is placed close to the head or the electronic device 1 is held, the performance of the first antenna 210 is better than that of the second antenna 220 .
  • the positions of the first radiator 211 and the second radiator 221 are set, and the second antenna 220 ensures low-frequency performance in free space; the first antenna 210 ensures that the electronic device 1 is adjacent to Headset or performance of electronic device 1 when held.
  • the positions of the first radiator 211 and the second radiator 221 are set so that the electronic device 1 is set or held in a free space near the head
  • the time average has better communication performance in the first frequency band.
  • a test card (also referred to as a Tx white card) for Specific Absorption Rate (SAR) performance detection can be set adjacent to the second radiator 221, which can reduce the SAR value radiated to users.
  • the electromagnetic wave energy absorption ratio can also be called the specific absorption rate, which refers to the electromagnetic wave power absorbed or consumed by human tissue per unit mass, and the unit is W/Kg.
  • FIG. 4 is a schematic diagram of the first antenna in the electronic device provided in FIG. 1 .
  • the first antenna 210 includes a first radiator 211 , a plurality of first matching circuits 212 and a first switch 213 .
  • the first switch 213 is used to switch the first matching circuit 212 electrically connected to the first radiator 211, so that the first antenna 210 supports the first sub-frequency band, the second sub-frequency band, the second sub-frequency band in the first frequency band.
  • the third sub-band and the fourth sub-band is a schematic diagram of the first antenna in the electronic device provided in FIG. 1 .
  • the first antenna 210 includes a first radiator 211 , a plurality of first matching circuits 212 and a first switch 213 .
  • the first switch 213 is used to switch the first matching circuit 212 electrically connected to the first radiator 211, so that the first antenna 210 supports the first sub-frequency band, the second sub-frequency band, the second sub-frequency band in the first frequency band.
  • the number of the first matching circuits 212 is four, and the first switch 213 is a single-pole four-throw switch (SP4T) for illustration. It can be understood that in other implementation manners, The number of the first matching circuits 212 can also be other numbers, such as N, where N ⁇ 2, and N is a positive integer, and correspondingly, the first switch 213 is a single-pole N-throw switch.
  • the first switch 213 includes a common end 2131, N ports 2132 and a switch portion 2133, the common end 2131 is electrically connected to the first radiator 211, and each port 2132 in the N ports 2132 is respectively One first matching circuit 212 is electrically connected to ground, and different ports 2132 are electrically connected to different first matching circuits 212 .
  • the first matching circuit 212 among the plurality of first matching circuits 212 is different, when the switch part 2133 is electrically connected to the common terminal 2131 and one port 2132 among the N ports 2132, for making
  • the first antenna 210 has different electrical lengths (that is, switches between different antenna apertures), and realizes coverage of four frequency bands: the first sub-frequency band, the second sub-frequency band, the third sub-frequency band and the fourth sub-frequency band.
  • the first sub-frequency band is B28
  • the second sub-frequency band is B20
  • the third sub-frequency band is B5
  • the fourth sub-frequency band is B8.
  • the first sub-frequency band, the second sub-frequency band, the third sub-frequency band, and the fourth sub-frequency band may be different low-frequency sub-bands. It should be noted that the first antenna 210 can only support one frequency band among the first sub-frequency band, the second sub-frequency band, the third sub-frequency band, and the fourth sub-frequency band at the same time, and Two frequency bands or even more frequency bands in the first sub-frequency band, the second sub-frequency band, the third sub-frequency band and the fourth sub-frequency band cannot be supported at the same time.
  • the four ports 2132 are respectively named as 213a, 213b, 213c and 213d.
  • the four first matching circuits are respectively named as 212a, 212b, 212c and 212d.
  • FIG. 5 is a circuit block diagram of the electronic device provided in FIG. 1 ;
  • FIG. 6 is a circuit block diagram of the first antenna shown in FIG. 5 .
  • the electronic device 1 further includes a controller 610 .
  • the controller 610 is electrically connected to the first antenna 210 and the second antenna 220, and the controller 610 is configured to use the second antenna 220 as the current A transmitting antenna for transmitting electromagnetic wave signals in the first frequency band.
  • the controller 610 can be disposed on the circuit board 60 . Specifically, in this embodiment, the controller 610 according to the signal strength difference (RSSI) between the first antenna 210 and the second antenna 220, or the power amplifier 215 (PA ) to determine the performance of the first antenna 210 by the size of the transmit power.
  • RSSI signal strength difference
  • PA power amplifier 215
  • the controller 610 uses the second antenna 220 as the transmitting antenna currently transmitting the electromagnetic wave signal of the first frequency band. In other words, the controller 610 switches the antenna transmitting the electromagnetic wave signal of the first frequency band from the first antenna 210 to the second antenna 220 .
  • the controller 610 can control the transmitting antenna of the electromagnetic wave signal of the first frequency band by controlling the switch 620 (DPDT). For example, when the controller 610 switches the radio frequency signal used to transmit the first frequency band to the first radiator 211 through the switch 620, then the first antenna 210 is currently used to transmit the radio frequency signal of the first frequency band.
  • the first antenna 210 includes a radio frequency front-end module 214 , a power amplifier 215 and a first radiator 211 .
  • the radio frequency front-end module 214 is used for outputting radio frequency signals.
  • the input terminal of the power amplifier 215 is electrically connected to the radio frequency front-end module 214 for amplifying the radio frequency signal.
  • the first radiator 211 is electrically connected to the output end of the power amplifier 215, and is used to receive the amplified radio frequency signal output by the power amplifier 215, and convert the amplified radio frequency signal into the first frequency band. Electromagnetic wave signal, and radiate out.
  • the controller 610 controls the power amplifier 215 to increase the transmission power, when the If the transmission power of the power amplifier 215 is greater than the preset power, it indicates that the first antenna 210 is severely blocked. Then, when the power amplifier 215 is electrically connected to the first radiator 211 and the transmission power of the power amplifier 215 is greater than the preset power, the controller 610 controls the switch to switch the The radio frequency front-end module 214 is electrically connected to the second radiator 221, so that the second antenna 220 is used as a transmitting antenna for currently transmitting electromagnetic wave signals of the first frequency band.
  • FIG. 7 is a schematic diagram of a second antenna in an electronic device provided in another embodiment of the present application.
  • the second antenna 220 further includes a first capacitor 222 .
  • the second antenna 220 also includes a capacitor that can be integrated into the electronic device 1 provided in any of the preceding embodiments.
  • the schematic diagram of the first embodiment it is illustrated as an example.
  • One end of the first capacitor 222 is electrically connected to the second radiator 221, and the other end of the first capacitor 222 is grounded, and the first capacitor 222 is used to adjust the first antenna supported by the second antenna 220.
  • the resonant frequency point of the frequency band, and the first capacitor 222 is used to make the second radiator 221 serve as a SAR detection radiator.
  • One end of the first capacitor 222 is electrically connected to the second radiator 221, and the other end of the first capacitor 222 is grounded.
  • the second radiator 221 adopts a floating design. Capacitor 222 is grounded. Therefore, the second radiator 221 also serves as a SAR detection radiator, thereby realizing multiplexing of the second antenna 220 .
  • the second antenna 220 can not only serve as a diversity receiving antenna working in the first frequency band, but also serve as a SAR detection antenna.
  • the capacitance C1 of the first capacitor 222 satisfies: 22PF ⁇ C1 ⁇ 68PF.
  • the capacitance value C1 of the first capacitor 222 satisfies: 22PF ⁇ C1 ⁇ 68PF.
  • the resonant frequency of the first frequency band supported by the second antenna 220 can be better adjusted;
  • the second radiator 221 has a better detection effect when used as a SAR detection radiator.
  • the conductive frame body 10 further includes a third frame 140 .
  • the third frame 140 is set opposite to the first frame 120, and the third frame 140 is bent and connected to the second frame 130, and the third frame 140 and the first frame 120 are both arranged on one side of the second frame 130 .
  • the antenna assembly 20 further includes a third antenna 230 .
  • the third antenna 230 works in the second frequency band, the first frequency band, and the third frequency band, the third antenna 230 includes a third radiator 231, and the third radiator 231 is located adjacent to the third frame 140.
  • One end of the second frame 130 is described.
  • the antenna assembly 20 also includes a third antenna 230 that can be incorporated into the electronic device 1 provided in any of the preceding embodiments.
  • the electronic device 1 shown in the schematic diagram of this embodiment should not be understood as a reference to the electronic device 1 provided in the embodiment of the present application. limited.
  • the third frame 140 is connected to the periphery of the frame body 110.
  • the third frame 140 is a frame located on the left side of the frame body 110. It can be understood that the third The position of the frame 140 relative to the frame body 110 varies with the placement posture of the conductive frame 10 , the third frame 140 in the schematic diagram of this embodiment is compared with the frame body 110 The position of should not be understood as a limitation on the electronic device 1 provided in this application.
  • the third frame 140 protrudes from at least one of the two opposite surfaces of the frame body 110 to cooperate with the frame body 110 to carry the other parts.
  • the third frame 140 is flush with the frame body 110 , even lower than at least one of the two opposite surfaces of the frame body 110 . Understandably, as long as the third frame 140 is connected to the periphery of the frame body 110 .
  • the third frame 140 is bent and connected to the second frame 130 , and the connection between the third frame 140 and the second frame 130 may be arc-shaped or right angled, acute angled, or obtuse angled.
  • the length of the third frame 140 is greater than the length of the second frame 130 , therefore, the third frame 140 is also a long frame in the conductive frame 10 .
  • the length of the third frame 140 may be equal to or not equal to the length of the first frame 120 .
  • the third antenna 230 can support the first frequency band, the second frequency band and the third frequency band at the same time.
  • the first frequency band is N28 in low frequency
  • the second frequency band may be GPS L5
  • the third frequency band is WiFi 2.4G. Understandably, the above first frequency band, second frequency band and third frequency band are only examples of the three frequency bands supported by the third antenna 230 , and should not be construed as a limitation on the third antenna 230 .
  • the third radiator 231 is located at one end of the third frame 140 adjacent to the second frame 130, which can make the performance of the second frequency band better.
  • the third antenna 230 works in the second frequency band, the upper The proportion of hemispheric radiation can reach more than 80%.
  • the first frequency band supported by the third antenna 230 is N28 and the second frequency band is GPS L5
  • the electronic device 1 can meet the needs of GPS L5 in China and N28 in foreign countries. Therefore, the design of the third antenna 230 can take into account both domestic and foreign common needs.
  • the third antenna 230 can use GPS L5.
  • the first antenna 210, the second antenna 220 and the third antenna 230 can be used as three low-frequency antennas, wherein the third antenna 230 can be used as Diversity receive antenna (DRX).
  • DRX Diversity receive antenna
  • the third antenna 230 can be a flexible printed circuit board (Flexible Printed Circuit, FPC) antenna, or a laser direct structuring (Laser Direct Structuring, LDS) antenna, or a printing direct structuring (Print Direct Structuring, PDS) antenna ) antenna or metal stud antenna.
  • the third radiator 231 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna radiator or a laser direct forming (Laser Direct Structuring, LDS) antenna radiator, or a printing direct forming (Print Direct Structuring , PDS) antenna radiator, or a metal branch.
  • the third antenna 230 may be, but not limited to, an inverted-F antenna (Inverted-F Antenna, IFA), or a loop antenna (Loop Antenna), or a monopole antenna (Monopole Antenna).
  • IFA inverted-F Antenna
  • loop antenna Loop Antenna
  • monopole antenna Monopole Antenna
  • FIG. 8 is a circuit block diagram of a third antenna in an electronic device provided in an embodiment.
  • the third antenna 230 includes a third radiator 231 , three first RF front-end circuits 232 , a first combiner 233 and a second matching circuit 234 .
  • the first combiner 233 includes three first input terminals 2331 and one first output terminal 2332 .
  • Each of the first input terminals 2331 of the three first input terminals 2331 is electrically connected to one of the first radio frequency front-end circuits 232 in the three first radio frequency front-end circuits 232, and different first input terminals 2331 are electrically Different first radio frequency front-end circuits 232 are connected.
  • the third radiator 231 supports the first frequency band according to one of the first radio frequency front-end circuits 232 (named 232a for distinction);
  • the third radiator 231 supports the second frequency band according to another first radio frequency front-end circuit 232 (named 232b for distinction);
  • the third radiator 231 supports another first radio frequency front-end circuit 232 (for distinction)
  • Named 232c) supports the third frequency band.
  • the third antenna 230 provided in the embodiment of the present application only needs one third radiator 231, and can be supported by three first radio frequency front-end circuits 232, a first combiner 233 and a second matching circuit 234.
  • the coverage of the first frequency band, the second frequency band and the third frequency band does not use a switch, so the structure of the third antenna 230 is relatively simple, and the volume of the third antenna 230 is relatively small.
  • the antenna assembly 20 includes the third antenna 230 as an example for illustration. It can be understood that, in other embodiments, the antenna assembly 20 may not include the third antenna 230 .
  • the antenna assembly 20 further includes a fourth antenna 240 .
  • the fourth antenna 240 is the main transmitting antenna and works in the fourth frequency band.
  • the fourth antenna 240 includes a fourth radiator 241.
  • the fourth radiator 241 is located on the second frame 130 away from the first one end of the frame 120 .
  • the antenna assembly 20 also includes a fourth antenna 240 that can be incorporated into the electronic device 1 provided in any of the preceding embodiments.
  • the electronic device 1 shown in the schematic diagram of this embodiment should not be understood as a reference to the electronic device 1 provided in the embodiment of the present application. limited.
  • the fourth antenna 240 may be a flexible printed circuit board (Flexible Printed Circuit, FPC) antenna, or a laser direct structuring (Laser Direct Structuring, LDS) antenna, or a printing direct structuring (Print Direct Structuring, PDS) antenna. ) antenna or metal stud antenna.
  • the fourth radiator 241 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna radiator or a laser direct forming (Laser Direct Structuring, LDS) antenna radiator, or a printing direct forming (Print Direct Structuring , PDS) antenna radiator, or a metal branch.
  • the fourth antenna 240 may be, but not limited to, an inverted-F antenna (Inverted-F Antenna, IFA), or a loop antenna (Loop Antenna), or a monopole antenna (Monopole Antenna).
  • IFA Inverted-F Antenna
  • loop antenna Loop Antenna
  • monopole antenna Monitoring Antenna
  • the fourth radiator 241 in the fourth antenna 240 is located at the end of the second frame 130 away from the first frame 120, therefore, when the electronic device 1 is used by a user, the fourth radiator 241 The end of the fourth antenna 240 is not easy to be held, therefore, the environment of the fourth radiator 241 of the fourth antenna 240 is relatively good, and can be used as the main transmitting antenna (PRX) of the fourth frequency band.
  • the fourth frequency band is a middle high frequency (Middle High Band, MHB) frequency band, and the range of the so-called MHB frequency band is: 1000MHz-3000MHz.
  • the fourth antenna 240 can support MHB of 2G, 3G, 4G, and 5G.
  • the fourth antenna 240 may support a transmit (Tx) function during dual connectivity of MHB of LTE and MHB of NR.
  • the antenna assembly 20 includes the fourth antenna 240 as an example for illustration. It can be understood that, in other embodiments, the antenna assembly 20 may not include the fourth antenna 240 .
  • the conductive frame body 10 further includes a fourth frame 150 .
  • the fourth frame 150 is disposed opposite to the second frame 130 , and the fourth frame 150 is respectively connected to the first frame 120 and the third frame 140 by bending.
  • the antenna assembly 20 further includes a fifth antenna 250 .
  • the fifth antenna 250 is the diversity receiving antenna of the fourth frequency band and the main transmitting antenna of the fifth frequency band.
  • the fifth frequency band includes the fifth sub-frequency band, the sixth sub-frequency band and the seventh sub-frequency band
  • the fifth antenna 250 includes a fifth radiator 251
  • the fifth radiator 251 is located in the fourth frame 150 Adjacent to one end of the first frame 120 .
  • the antenna assembly 20 also includes a fifth antenna 250 that can be incorporated into the electronic device 1 provided in any of the preceding embodiments.
  • the electronic device 1 shown in the schematic diagram of this embodiment should not be understood as a reference to the electronic device 1 provided in the embodiment of the present application. limited.
  • the fourth frame 150 is connected to the periphery of the frame body 110.
  • the fourth frame 150 is a frame located at the top of the frame body 110. It can be understood that the fourth frame The position of 150 relative to the frame body 110 varies with the placement posture of the conductive frame 10 , and the fourth frame 150 in the schematic diagram of this embodiment is compared with the The location should not be understood as a limitation on the electronic device 1 provided in this application.
  • the fourth frame 150 protrudes from at least one of the two opposite surfaces of the frame body 110 to cooperate with the frame body 110 to carry the other parts. In another embodiment, the fourth frame 150 is flush with the frame body 110 , even lower than at least one of the two opposite surfaces of the frame body 110 . Understandably, as long as the fourth frame 150 is connected to the periphery of the frame body 110 .
  • the fourth frame 150 is bent and connected to the first frame 120 and the third frame 140 respectively, and the connection between the fourth frame 150 and the first frame 120 and the second frame 130 can be
  • the arc shape can also be a right angle, or an acute angle, or an obtuse angle, and the like.
  • the length of the fourth frame 150 is less than the length of the first frame 110, and the length of the fourth frame 150 is smaller than the length of the third frame 140, therefore, the fourth frame 150 is also the conductive frame 10 short border.
  • the length of the fourth frame 150 may be equal to or not equal to the length of the second frame 130 .
  • the fifth radiator 251 in the fifth antenna 250 is located at an end of the fourth frame 150 adjacent to the first frame 120, therefore, when the electronic device 1 is used by a user, the fifth radiator 251 The end of the fifth antenna 250 is not easy to be held, therefore, the environment of the fifth radiator 251 of the fifth antenna 250 is relatively good, and it can be used as a diversity receiving antenna in the fourth frequency band.
  • the fifth frequency band is high frequency (High Band, HB) and ultra high frequency (Ultra High Band, UHB), and the range of the high frequency and the ultra high frequency band is: 3000MHz-6000MHz.
  • the fifth antenna 250 may be a flexible circuit board (Flexible Printed Circuit, FPC) antenna, or a laser direct structuring (Laser Direct Structuring, LDS) antenna, or a printing direct structuring (Print Direct Structuring, PDS) antenna. ) antenna or metal stud antenna.
  • the fifth radiator 251 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna radiator or a laser direct forming (Laser Direct Structuring, LDS) antenna radiator, or a printing direct forming (Print Direct Structuring , PDS) antenna radiator, or a metal branch.
  • the fifth antenna 250 may be, but not limited to, an inverted-F antenna (Inverted-F Antenna, IFA), or a loop antenna (Loop Antenna), or a monopole antenna (Monopole Antenna).
  • IFA inverted-F Antenna
  • loop antenna Loop Antenna
  • monopole antenna Monopole Antenna
  • the fifth antenna 250 can simultaneously support the fourth frequency band and the fifth frequency band at the same time. However, when the fifth antenna 250 supports the fifth frequency band, it can only support one of the fifth sub-frequency band, the sixth sub-frequency band and the seventh sub-frequency band at the same time.
  • the fifth sub-frequency band is N41
  • the sixth sub-frequency band is N78
  • the seventh sub-frequency band is N79.
  • FIG. 9 is a circuit block diagram of the fifth antenna in an embodiment.
  • the fifth antenna 250 includes a fifth radiator 251 , a second capacitor 252 , and a third matching circuit 253 .
  • the third matching circuit 253 is connected in series with the second capacitor 252, and couples and feeds the excitation signal to the fifth radiator 251 through the second capacitor 252, so as to excite 1 of the fifth radiator 251.
  • /8 mode the 1/8 mode is used to support the fourth frequency band
  • the parasitic mode of the fifth radiator 251 is used to support the fifth frequency band.
  • the capacitance value of the second capacitor 252 is relatively small.
  • the capacitance value C2 of the second capacitor 252 satisfies: 0.3PF ⁇ C2 ⁇ 1.2PF.
  • the fifth antenna 250 may further include a second switch 254, and the second switch 254 is a single-pole four-throw switch (SP4T) as an example for illustration.
  • the second switch 254 is used to adjust the sub-matching circuit loaded in the third matching circuit 253 on the fifth radiator 251, so as to perform aperture tuning on the fifth antenna 250 to better support the fourth band.
  • the antenna assembly 20 includes the fifth antenna 250 as an example for illustration. It can be understood that, in other embodiments, the antenna assembly 20 may not include the fifth antenna 250 .
  • the antenna assembly 20 further includes a sixth antenna 260 .
  • the sixth antenna 260 is the main transmitting antenna of the fourth frequency band and the diversity receiving antenna of the sixth sub-frequency band in the fifth frequency band, the sixth antenna 260 includes a sixth radiator 261, and the sixth radiating
  • the body 261 is located on the first frame 120 and is located at an end of the first radiator 211 away from the second frame 130 .
  • the antenna assembly 20 also includes a sixth antenna 260 that can be incorporated into the electronic device 1 provided in any of the preceding embodiments.
  • the electronic device 1 shown in the schematic diagram of this embodiment should not be understood as a reference to the electronic device 1 provided in the embodiment of the present application. limited.
  • the sixth antenna 260 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna, or a laser direct structuring (Laser Direct Structuring, LDS) antenna, or a printing direct structuring (Print Direct Structuring, PDS) antenna. ) antenna or metal stud antenna.
  • the sixth radiator 261 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna radiator or a laser direct forming (Laser Direct Structuring, LDS) antenna radiator, or a printing direct forming (Print Direct Structuring , PDS) antenna radiator, or a metal branch.
  • the sixth antenna 260 may be, but not limited to, an inverted-F antenna (Inverted-F Antenna, IFA), or a loop antenna (Loop Antenna), or a monopole antenna (Monopole Antenna).
  • IFA Inverted-F Antenna
  • loop antenna Loop Antenna
  • monopole antenna Monitoring Antenna
  • the sixth radiator 261 is located on the first frame 120 and at the end of the first radiator 211 away from the second frame 130 , therefore, when the electronic device 1 is used by a user, the sixth radiator The ends of the six radiators 261 are not easy to be held. Therefore, the environment of the sixth radiator 261 of the sixth antenna 260 is relatively good, and it can be used as the main transmitting antenna (PRX) of the fourth frequency band.
  • PRX main transmitting antenna
  • the performance degradation of the sixth antenna 260 is small. Therefore, when the electronic device 1 is in the landscape state (for example, landscape Playing games on the screen) has better performance.
  • the sixth antenna 260 may simultaneously support the sixth sub-frequency band in the fourth frequency band and the fifth frequency band at the same moment.
  • the antenna assembly 20 includes the sixth antenna 260 as an example for illustration. It can be understood that, in other embodiments, the antenna assembly 20 may not include the sixth antenna 260 .
  • the antenna assembly 20 further includes a seventh antenna 270 .
  • the seventh antenna 270 is a diversity receiving antenna for supporting the fourth frequency band and the sixth sub-frequency band of the fifth frequency band, the seventh antenna 270 includes a seventh radiator 271, and the seventh The radiator 271 is disposed at an end of the third frame 140 away from the second frame 130 .
  • the antenna assembly 20 also includes a seventh antenna 270 that can be incorporated into the electronic device 1 provided in any of the preceding embodiments.
  • the electronic device 1 shown in the schematic diagram of this embodiment should not be understood as a reference to the electronic device 1 provided in the embodiment of the present application. limit.
  • the seventh antenna 270 may be a flexible circuit board (Flexible Printed Circuit, FPC) antenna, or a laser direct structuring (Laser Direct Structuring, LDS) antenna, or a printing direct structuring (Print Direct Structuring, PDS) antenna or metal stud antenna.
  • the seventh radiator 271 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna radiator or a laser direct structuring (Laser Direct Structuring, LDS) antenna radiator, or a printing direct structuring (Print Direct Structuring , PDS) antenna radiator, or a metal branch.
  • the seventh antenna 270 may be, but not limited to, an inverted-F antenna (Inverted-F Antenna, IFA), or a loop antenna (Loop Antenna), or a monopole antenna (Monopole Antenna).
  • IFA inverted-F Antenna
  • loop antenna Loop Antenna
  • monopole antenna Monopole Antenna
  • the seventh antenna 270 can support the fourth frequency band and the sixth sub-frequency band of the fifth frequency band at the same time.
  • the seventh antenna 270 is a diversity receiving antenna, considering the seventh radiator 271 and the rear camera 810 in the electronic device 1 (see FIGS. 2 and 3 ), and the seventh radiator 271 The distance to the radio frequency module in the seventh antenna 270 is set.
  • the seventh radiator 271 is usually arranged adjacent to the rear camera 810 of the electronic device 1 , therefore, the environment in which the seventh radiator 271 is located is relatively poor, which in turn causes the efficiency of the seventh antenna 270 to be limited. Influence.
  • the seventh radiator 271 is relatively far from the radio frequency module of the seventh antenna 270, and the wiring between the seventh radiator 271 and the radio frequency module in the seventh antenna 270 The loss on the antenna is relatively large, resulting in relatively poor antenna performance and board-level data transmission.
  • setting the seventh antenna 270 as a diversity receiving antenna for supporting the fourth frequency band and the sixth sub-frequency band of the fifth frequency band helps to make full use of the position of the electronic device 1, even is a relatively unfriendly position for the antenna environment in the electronic device 1, so that the electronic device 1 can be equipped with more antennas, so that the electronic device 1 has better communication performance.
  • the performance of the seventh antenna 270 is less degraded. Therefore, when the electronic device 1 is in the landscape state (for example, Playing games on a horizontal screen) has better performance.
  • the antenna assembly 20 includes the seventh antenna 270 as an example for illustration. It can be understood that in other embodiments, the antenna assembly 20 may not include the seventh antenna 270 .
  • the antenna assembly 20 includes the fourth antenna 240, the fifth antenna 250, the sixth antenna 260 and the seventh antenna 270, the fourth antenna 240, the fifth antenna 250, the The sixth antenna 260 and the seventh antenna 270 are used to form a 4*4 multiple input multiple output (Multiple Input Multiple Output, MIMO) antenna of the fourth frequency band.
  • MIMO Multiple Input Multiple Output
  • the fourth antenna 240, the fifth antenna 250, the sixth antenna 260, and the seventh antenna 270 are used to form a 4*4 MIMO antenna in the fourth frequency band, so that the antenna assembly 20 can be used in the The fourth frequency band has better communication performance.
  • the antenna assembly 20 further includes an eighth antenna 280 .
  • the eighth antenna 280 is used to support the sixth frequency band and the sixth sub-band of the fifth frequency band, the eighth antenna 280 includes an eighth radiator 281, and the eighth radiator 281 is located in the fourth frame 150, And located at an end of the fifth radiator 251 away from the first frame 120 .
  • the antenna assembly 20 also includes an eighth antenna 280 that can be incorporated into the electronic device 1 provided in any of the preceding embodiments.
  • the electronic device 1 shown in the schematic diagram of this embodiment should not be understood as a reference to the electronic device 1 provided in the embodiment of the present application. limited.
  • the eighth antenna 280 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna, or a laser direct structuring (Laser Direct Structuring, LDS) antenna, or a printing direct structuring (Print Direct Structuring, PDS) antenna. ) antenna or metal stud antenna.
  • the eighth radiator 281 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna radiator or a laser direct forming (Laser Direct Structuring, LDS) antenna radiator, or a printing direct forming (Print Direct Structuring , PDS) antenna radiator, or a metal branch.
  • the eighth antenna 280 may be, but not limited to, an inverted-F antenna (Inverted-F Antenna, IFA), or a loop antenna (Loop Antenna), or a monopole antenna (Monopole Antenna).
  • IFA Inverted-F Antenna
  • loop antenna Loop Antenna
  • monopole antenna Monitoring Antenna
  • the sixth frequency band is WiFi 5G
  • the sixth sub-frequency band is N78.
  • the eighth antenna 280 may simultaneously support the sixth frequency band and the sixth sub-frequency band at the same time.
  • the eighth radiator 281 is relatively close to the proximity sensor 820 and the light sensor 830 in the electronic device 1 (please refer to FIG. Undemanding ultra-high frequency, wherein the ultra-high frequency includes the WiFi 5G and N78. It can be seen that the electronic device 1 provided by the embodiment of the present application can make full use of the position of the electronic device 1, even the position in the electronic device 1 that is relatively unfriendly to the antenna environment, so that the electronic device 1 can be installed with more antenna, so that the electronic device 1 has better communication performance.
  • the antenna assembly 20 includes the eighth antenna 280 as an example for illustration. It can be understood that, in other embodiments, the antenna assembly 20 may not include the eighth antenna 280 .
  • the antenna assembly 20 includes a fifth antenna 250, a sixth antenna 260, a seventh antenna 270, and an eighth antenna 280
  • the fifth antenna 250, the sixth antenna 260, and the seventh antenna 270 and the eighth antenna 280 is used to form a 4*4 MIMO antenna of the sixth sub-band; or, the fifth antenna 250, the sixth antenna 260, the seventh antenna 270 and the eighth antenna 280 1T4R for realizing the sixth sub-band.
  • the fifth antenna 250, the sixth antenna 260, the seventh antenna 270, and the eighth antenna 280 all support the sixth sub-band, therefore, the fifth antenna 250, the The six antennas 260, the seventh antenna 270 and the eighth antenna 280 can form a 4*4 MIMO antenna of the sixth sub-band, which can make the antenna assembly 20 have better communication performance in the sixth sub-band .
  • the fifth antenna 250, the sixth antenna 260, the seventh antenna 270, and the eighth antenna 280 do not form a 4*4 MIMO antenna, since the fifth antenna 250, the sixth The antenna 260, the seventh antenna 270 and the eighth antenna 280 can all support the sixth sub-frequency band, therefore, the electronic device 1 can still be unblocked when it is held in various postures.
  • the obtained antenna supports the transmission of electromagnetic wave signals of the sixth sub-frequency band, thereby maintaining the performance of the sixth sub-frequency band when the electronic device 1 is held. That is, when the fifth antenna 250 , the sixth antenna 260 , the seventh antenna 270 and the eighth antenna 280 can realize the 1T4R of the sixth sub-band.
  • the antenna assembly 20 further includes a ninth antenna 290 .
  • the ninth antenna 290 is used to support the third frequency band and the seventh frequency band, the ninth antenna 290 includes a ninth radiator 291, and a part of the ninth radiator 291 is located on the third frame 140 away from the One end of the third radiator 231.
  • the antenna assembly 20 also includes a ninth antenna 290 that can be incorporated into the electronic device 1 provided in any of the preceding embodiments.
  • the electronic device 1 shown in the schematic diagram of this embodiment should not be understood as a reference to the electronic device 1 provided in the embodiment of the present application. limited.
  • the ninth antenna 290 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna, or a laser direct structuring (Laser Direct Structuring, LDS) antenna, or a printing direct structuring (Print Direct Structuring, PDS) antenna. ) antenna or metal stud antenna.
  • the ninth radiator 291 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna radiator or a laser direct forming (Laser Direct Structuring, LDS) antenna radiator, or a printing direct forming (Print Direct Structuring , PDS) antenna radiator, or a metal branch.
  • the ninth antenna 290 may be, but not limited to, an inverted-F antenna (Inverted-F Antenna, IFA), or a loop antenna (Loop Antenna), or a monopole antenna (Monopole Antenna).
  • IFA inverted-F Antenna
  • loop antenna Loop Antenna
  • monopole antenna Monopole Antenna
  • the third frequency band is WiFi 2.4G
  • the seventh frequency band is GPS L1.
  • the ninth antenna 290 can support the third frequency band and the seventh frequency band at the same time.
  • the part of the ninth radiator 291 is located at the end of the third frame 140 away from the third radiator 231 , therefore, the environment of the ninth radiator 291 is better.
  • Fig. 10 is the pattern of the third antenna working in the third frequency band
  • Fig. 11 is the pattern of the ninth antenna working in the third frequency band
  • Fig. 12 is the pattern of the third antenna working in the third frequency band
  • the antenna assembly 20 includes the ninth antenna 290 as an example for illustration. It can be understood that, in other embodiments, the antenna assembly 20 may not include the ninth antenna 290 .
  • the antenna assembly 20 further includes a tenth antenna 300 .
  • the tenth antenna 300 is used to support the sixth frequency band, the tenth antenna 300 includes a tenth radiator 310, the tenth radiator 310 is located in the third frame 140, and is located in the third radiator between the body 231 and the seventh radiator 271 .
  • the antenna assembly 20 also includes a tenth antenna 300 that can be incorporated into the electronic device 1 provided in any of the preceding embodiments.
  • the electronic device 1 shown in the schematic diagram of this embodiment should not be understood as a reference to the electronic device 1 provided in the embodiment of the present application. limited.
  • the tenth antenna 300 may be a flexible circuit board (Flexible Printed Circuit, FPC) antenna, or a laser direct structuring (Laser Direct Structuring, LDS) antenna, or a printing direct structuring (Print Direct Structuring, PDS) antenna. ) antenna or metal stud antenna.
  • the tenth radiator 310 can be a flexible circuit board (Flexible Printed Circuit, FPC) antenna radiator or a laser direct structuring (Laser Direct Structuring, LDS) antenna radiator, or a printing direct structuring (Print Direct Structuring , PDS) antenna radiator, or a metal branch.
  • the tenth antenna 300 may be, but not limited to, an inverted-F antenna (Inverted-F Antenna, IFA), or a loop antenna (Loop Antenna), or a monopole antenna (Monopole Antenna).
  • IFA inverted-F Antenna
  • loop antenna Loop Antenna
  • monopole antenna Monopole Antenna
  • each antenna in the first antenna 210 to the tenth antenna 300 may be the same or different, which is not limited in this application.
  • Both the tenth antenna 300 and the eighth antenna 280 can support the sixth frequency band, therefore, the tenth antenna 300 and the eighth antenna 280 together improve the difference in the pattern of the sixth frequency band.
  • the circularity enables the complementarity of the pattern, which in turn enhances the networking experience utilizing said sixth frequency band.
  • the pattern from the feeding point of the tenth radiator 310 to the end of the tenth radiator 310 is used to support the sixth frequency band.
  • FIG. 13 is a circuit diagram of a tenth antenna provided by an embodiment of the present application.
  • the tenth antenna 300 includes a tenth radiator 310 , two second RF front-end circuits 320 , a second combiner 330 and a fourth matching circuit 340 .
  • the second combiner 330 includes two second input terminals 331 and a second output terminal 332, and each second input terminal 331 in the two second input terminals 331 is electrically connected to two second radio frequency One of the second RF front-end circuits 320 in the front-end circuits 320 , and different second input terminals 331 are electrically connected to different second RF front-end circuits 320 .
  • One end of the fourth matching circuit 340 is electrically connected to the second output end 332 of the second combiner 330, and the other end is electrically connected to the tenth radiator 310, so that the tenth radiator 310 supports the The second frequency band and the sixth frequency band.
  • the two second RF front-end circuits 320 are marked as 321 and 322 respectively.
  • the two second input terminals 331 are marked as 331a and 331b respectively.
  • the antenna assembly 20 includes the tenth antenna 300 as an example for illustration. It can be understood that, in other embodiments, the antenna assembly 20 may not include the tenth antenna 300 .
  • the depth of the groove between the tenth radiator 310 of the tenth antenna 300 and the frame body 110 is greater than that between the tenth radiator 310 and the frame body 110 in FIG. 1 .
  • the electronic device 1 provided in this embodiment can enable the tenth radiator 310 to support the second frequency band and the sixth frequency band, so that the tenth antenna 300 has better communication performance.
  • the tenth radiator 310 can simultaneously support the second frequency band and the sixth frequency band at the same time.
  • the third antenna 230 supports the second frequency band (GPS-L5)
  • the ninth antenna 290 supports the second frequency band (GPS-L5)
  • the ninth antenna 290 supports the seventh frequency band (GPS L1)
  • the electronic device 1 can use the third antenna 230, the ninth antenna 290 and the eighth antenna 280 to perform positioning when in use, so as to realize a more accurate positioning function.
  • the electronic device 1 provided by the embodiment of the present application can use the first antenna 210, the second antenna 220 and the controller 610 to realize two-way intelligent Switch (2Way ASDiv); Utilize described 4th antenna 240, described 5th antenna 250, described 6th antenna 260, described 7th antenna 270 to realize 4 ways of receiving and Transmitting: using the fifth antenna 250, the sixth antenna 260, the seventh antenna 270, and the eighth antenna 280 to implement 1T4R in the sixth sub-band (for example, belonging to Sub 6G). Therefore, the electronic device 1 provided by the embodiment of the present application can arrange antennas supporting multiple frequency bands in a compact space, and therefore has better communication effects in multiple frequency bands.
  • 2Way ASDiv two-way intelligent Switch
  • the conductive frame body 10 is the middle frame 40 of the electronic device 1 , and the radiators in each antenna in the antenna assembly 20 are metal branches formed on each frame.
  • the conductive frame body 10 is the middle frame 40 of the electronic device 1, and the radiators of each antenna in the antenna assembly 20 are metal branches formed on each frame, which can facilitate the preparation of each radiator in the antenna .
  • the antennas here refer to the first antenna 210 to the tenth antenna 300 .
  • Each radiator is a radiator corresponding to each antenna, for example, the Mth radiator in the Mth antenna.
  • M is a positive integer greater than or equal to 1 and less than or equal to 10.
  • the radiators in the antennas of the first antenna 210 to the tenth antenna 300 are electrically connected to the frame body 110 through the conductive member 20 a to be grounded.
  • the conductive member 20a may be, but not limited to, a conductive elastic piece, a connecting rib, a conductive glue, and the like.
  • FIG. 14 is a three-dimensional structure diagram of an electronic device provided by an embodiment of the present application
  • FIG. 15 is a cross-sectional view of the electronic device in FIG. 14 along line I-I.
  • the electronic device 1 includes the middle frame 40 , a screen 50 , a circuit board 60 and a battery cover 70 .
  • the conductive frame body 10 is illustrated by taking the conductive frame body 10 as the middle frame 40 as an example.
  • the material of the middle frame 40 is metal, such as aluminum-magnesium alloy. Usually constitutes the ground of the electronic device 1 , and when the electronic devices in the electronic device 1 need to be grounded, the middle frame 40 can be connected to the ground (GND).
  • the ground system in the electronic device 1 includes the ground on the circuit board 60 and the ground in the screen 50 in addition to the middle frame 40 .
  • the screen 50 may be a display screen with a display function, or a screen integrated with display and touch functions.
  • the screen 50 is used for displaying text, image, video and other information.
  • the screen 50 is carried on the middle frame 40 and is located at one side of the middle frame 40 .
  • the circuit board 60 is usually also carried on the middle frame 40 , and the circuit board 60 and the screen 50 are carried on opposite sides of the middle frame 40 . At least one or more of the signal sources of each of the first antenna 210 to the tenth antenna 300 in the antenna assembly 20 described above, and at least one of the matching circuits of each of the first antenna 210 to the tenth antenna 300 One or more may be provided on the circuit board 60 .
  • the battery cover 70 is arranged on the side of the circuit board 60 away from the middle frame 40, and the battery cover 70, the middle frame 40, the circuit board 60, and the screen 50 cooperate with each other to form a complete assembly.
  • electronic equipment 1 It can be understood that the description of the structure of the electronic device 1 is only a description of the structure of the electronic device 1 , and should not be construed as a limitation on the electronic device 1 , nor should it be construed as a limitation on the antenna assembly 20 .

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Support Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

La présente demande concerne un dispositif électronique. Le dispositif électronique comprend un cadre conducteur et un ensemble antenne ; le cadre conducteur comprend un corps de cadre, une première lunette et une seconde lunette ; la première lunette et la seconde lunette sont reliées à la périphérie du corps de cadre, et la première lunette et la seconde lunette se courbent pour être reliées l'une à l'autre, la longueur de la première lunette étant plus longue que la longueur de la seconde lunette ; l'ensemble antenne comprend une première antenne et une seconde antenne ; la première antenne est une antenne de transmission principale, et fonctionne dans une première bande de fréquence. La première antenne comprend un premier corps rayonnant, une extrémité du premier corps rayonnant étant située à l'extrémité de la première lunette loin de la seconde lunette ; la seconde antenne est une antenne de réception en diversité, et fonctionne dans la première bande de fréquence. La seconde antenne comprend un second corps rayonnant, une extrémité du second corps rayonnant étant située à l'extrémité de la première lunette loin du premier corps rayonnant, et l'autre extrémité du second corps rayonnant étant située sur la seconde lunette. Le dispositif électronique de la présente demande présente une performance de communication relativement bonne.
PCT/CN2022/134744 2021-12-24 2022-11-28 Dispositif électronique WO2023116353A1 (fr)

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CN202111602700.4 2021-12-24
CN202111602700.4A CN114336009A (zh) 2021-12-24 2021-12-24 电子设备

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WO2023116353A9 WO2023116353A9 (fr) 2023-10-12

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