WO2024078533A1 - Dispositif électronique pliable - Google Patents

Dispositif électronique pliable Download PDF

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Publication number
WO2024078533A1
WO2024078533A1 PCT/CN2023/124027 CN2023124027W WO2024078533A1 WO 2024078533 A1 WO2024078533 A1 WO 2024078533A1 CN 2023124027 W CN2023124027 W CN 2023124027W WO 2024078533 A1 WO2024078533 A1 WO 2024078533A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
antenna component
antenna assembly
ant
radiator
Prior art date
Application number
PCT/CN2023/124027
Other languages
English (en)
Chinese (zh)
Inventor
杨东旭
Original Assignee
Oppo广东移动通信有限公司
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.)
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 WO2024078533A1 publication Critical patent/WO2024078533A1/fr

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Classifications

    • 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
    • H01Q1/12—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
    • H01Q1/48—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
    • H01Q1/52—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

Definitions

  • the present application relates to the field of electronic technology, and in particular to a foldable electronic device.
  • the present application provides a foldable electronic device capable of improving communication performance.
  • the present application provides a foldable electronic device, comprising:
  • the housing assembly comprises a first frame, a rotating shaft and a second frame, wherein the first frame and the second frame are rotatably connected via the rotating shaft;
  • a first antenna assembly is arranged on the first frame, and includes a first feed source and a first radiator, wherein the first radiator includes a first radiating section and a second radiating section, a first coupling gap is formed between the first radiating section and the second radiating section, and the first feed source is connected to the first radiating section to excite the first radiating section to generate resonance in a first frequency band;
  • a first coupling branch node is disposed on the second frame, the first coupling branch node includes a first coupling section and a second coupling section, and a second coupling gap is formed between the first coupling section and the second coupling section;
  • a second antenna assembly is arranged on the second frame, and includes a second feed source and a second radiator, wherein the second radiator is connected to the first coupling branch and grounded at the connection point, and the second feed source is connected to the second radiator to excite the second radiator to generate resonance in the first frequency band;
  • the second coupling slot overlaps the first coupling slot
  • the first coupling section is coupled to the first radiating section
  • the second coupling section is coupled to the second radiating section
  • FIG1 is a schematic diagram of the structure of a foldable electronic device provided in an embodiment of the present application.
  • FIG2 is a schematic structural diagram of a first coupling branch of the foldable electronic device shown in FIG1 provided with a tuning circuit;
  • FIG3 is a schematic structural diagram of another tuning circuit provided at the first coupling branch of the foldable electronic device shown in FIG1 ;
  • FIG4 is a schematic diagram of the structure of a first tuning circuit provided in an embodiment of the present application.
  • FIG5 is a schematic diagram of the structure of a second tuning circuit provided in an embodiment of the present application.
  • FIG6 is a schematic structural diagram of a first combination of a first radiator and a frame provided in an embodiment of the present application
  • FIG7 is a schematic structural diagram of a second combination form of a first radiator and a frame provided in an embodiment of the present application;
  • FIG8 is a schematic diagram of the structures of a first antenna assembly, a second antenna assembly, a third antenna assembly, and a fourth antenna assembly provided in an embodiment of the present application;
  • FIG. 9 is a schematic diagram of a structure in which a first coupling branch and a second coupling branch are arranged on both sides of a battery according to an embodiment of the present application;
  • FIG. 10 is a schematic diagram of the structure of a first control module and a low-frequency antenna group provided in an embodiment of the present application;
  • FIG. 11 is a detailed structural diagram of a first control module and a low-frequency antenna group provided in an embodiment of the present application;
  • FIG. 12 is a schematic diagram of the structure of a first second control module and an intermediate frequency antenna group provided in an embodiment of the present application;
  • FIG. 13 is a schematic diagram of the structure of a second control module and an intermediate frequency antenna group provided in an embodiment of the present application;
  • FIG. 14 is a schematic diagram of the detailed structure of the first second control module and the intermediate frequency antenna group provided in an embodiment of the present application;
  • 15 is a schematic diagram of the structure of a third control module and a first high-frequency antenna group provided in an embodiment of the present application;
  • 16 is a detailed structural diagram of a third control module and a first high-frequency antenna group provided in an embodiment of the present application;
  • FIG. 17 is a detailed structural diagram of a third control module and a second high-frequency antenna group provided in an embodiment of the present application.
  • FIG18 is a schematic diagram of the structure of a Wi-Fi antenna group provided in an embodiment of the present application.
  • FIG. 19 is a schematic diagram of the structure of a GPS antenna group provided in an embodiment of the present application.
  • FIG20 is a schematic diagram of the structure of a Bluetooth antenna group provided in an embodiment of the present application.
  • FIG21 is a schematic diagram of the structure of an NFC common antenna provided in an embodiment of the present application.
  • FIG. 22 is a schematic diagram of the structure of some radiators used for SAR detection in an embodiment of the present application.
  • Foldable electronic device 1000 housing assembly 200; antenna system 100; first frame 210; hinge 220; second frame 230; antenna assembly 400; first feed source S1; first radiator 11; first coupling branch 43; first coupling slot 44; first radiating section 421; second radiating section 422; second coupling slot 45; first radiating section 421; second radiating section 422; first coupling section 431; second coupling section 432; first tuning circuit N1; antenna switch N11; Tuning branch N12; top edge 215; first side edge 211; second side edge 212; second frame 230; bottom edge 216; third side edge 213; fourth side edge 214; battery 500; first control module 510; first antenna assembly ANT-1; second antenna assembly ANT-2; third antenna assembly ANT-3; fourth antenna assembly ANT-4; fifth antenna assembly ANT-5; sixth antenna assembly ANT-6; seventh antenna assembly ANT-7; eighth antenna assembly ANT-8; The ninth antenna assembly ANT-9; the tenth antenna assembly ANT-10; the eleventh antenna assembly ANT-11
  • foldable electronic devices have become a new product form.
  • the foldable electronic device in the embodiment of the present application can be a mobile phone, a tablet computer, a desktop computer, a laptop computer, an e-reader, a handheld computer, an electronic display screen, a notebook computer, an ultra-mobile personal computer (UMPC), a netbook, and a cellular phone, a personal digital assistant (PDA), an augmented reality (AR) and a virtual reality (VR) device, a media player, a smart wearable device and other foldable devices.
  • PDA personal digital assistant
  • AR augmented reality
  • VR virtual reality
  • the foldable electronic device can be a foldable display device or a foldable non-display device.
  • the foldable electronic device is taken as an example of a foldable mobile phone, and other devices can refer to the specific description in this application.
  • the foldable electronic device 1000 includes a housing component 200 and an antenna system 100 .
  • the housing assembly 200 is a foldable structure.
  • the housing assembly 200 includes but is not limited to a folding structure with one rotating shaft, and may also be a three-fold or four-folding structure with two or more rotating shafts. This embodiment is described by taking the housing assembly 200 as a folding structure as an example.
  • the housing assembly 200 includes a first frame 210, a rotating shaft 220, and a second frame 230.
  • the first frame 210 and the second frame 230 are rotatably connected via the rotating shaft 220. It is understandable that at least one of the first frame 210 and the second frame 230 can be rotated around the rotating shaft 220 until the first frame 210 and the second frame 230 are superimposed together. At this time, the housing assembly 200 and the foldable electronic device 1000 are in a folded state, or a closed state. At least one of the first frame 210 and the second frame 230 can be rotated around the rotating shaft 220 until an angle of 90°, 150°, or 170° is formed between the first frame 210 and the second frame 230.
  • the housing assembly 200 and the foldable electronic device 1000 are in an unfolded state.
  • the housing assembly 200 and the foldable electronic device 1000 are in a flattened state.
  • connection direction of the first frame 210, the rotating shaft 220, and the second frame 230 is defined as the Y-axis direction
  • extension direction of the rotating shaft 220 is defined as the X-axis direction
  • the thickness direction of the shell assembly 200 in the unfolded state is the Z-axis direction.
  • the X-axis direction, the Y-axis direction, and the Z-axis direction are perpendicular to each other.
  • the direction indicated by the arrow is the positive direction.
  • the left side in this article refers to the positive direction of the X-axis, and the right side refers to the negative direction of the X-axis;
  • the top side refers to the positive direction of the Y-axis, and the bottom side refers to the negative direction of the Y-axis;
  • the front side refers to the positive direction of the Z-axis, and the back side refers to the negative direction of the Z-axis.
  • the first frame 210 and the second frame 230 are made of metal or have metal material.
  • the shielding of the second frame 230 makes the clearance of the antenna on the first frame 210 small, so the performance of the antenna is poor when folded.
  • the antenna system 100 provided in the present application includes a first antenna component ANT-1.
  • the first antenna component ANT-1 includes a first feed source S1 and a first radiator 11.
  • the first radiator 11 is electrically connected to the first feed source S1.
  • the first feed source S1 is used to excite the first radiator 11 to transmit and receive electromagnetic wave signals.
  • the first antenna component ANT-1 is disposed on the first frame 210.
  • the first radiator 11 is disposed on the first frame 210.
  • the first radiator 11 is disposed along the direction in which the first frame 210 extends.
  • the first radiator 11 includes a first radiating section 421 and a second radiating section 422, and a first coupling gap 44 is formed between the first radiating section 421 and the second radiating section 422.
  • the first radiating section 421 and the second radiating section 422 are coupled through the first coupling gap 44.
  • the first feed source S1 is connected to the first radiation section 421 to excite the first radiation section 421 to generate resonance in the first frequency band.
  • the first radiation section 421 is farther from the rotation axis 220 than the second radiation section 422, or the first radiation section 421 is closer to the rotation axis 220 than the second radiation section 422.
  • the antenna system 100 further includes a first coupling branch 43, and the first coupling branch 43 is disposed on the second frame 230.
  • the first coupling branch 43 is disposed along the direction in which the second frame 230 extends.
  • the first coupling branch 43 includes a first coupling section 431 and a second coupling section 432 , and a second coupling gap 45 is formed between the first coupling section 431 and the second coupling section 432 .
  • the antenna system 100 provided in the present application further includes a second antenna assembly ANT-2, which is disposed on the second frame 230.
  • the second antenna assembly ANT-2 includes a second feed source S2 and a second radiator 12, wherein the second radiator 12 is connected to the first coupling branch 43 and is grounded at the connection.
  • the second feed source S2 is connected to the second radiator 12 to excite the second radiator 12 to generate resonance in the first frequency band.
  • the first antenna component ANT-1 and the second antenna component ANT-2 are both used to generate resonance in the first frequency band, in other words, the first antenna component ANT-1 and the second antenna component ANT-2 can both support the first frequency band. This application does not limit the first frequency band.
  • the second radiator 12 does not overlap with the first radiator 11
  • the second coupling slot 45 overlaps with the first coupling slot 44
  • the first coupling section 431 is coupled with the first radiating section 421
  • the second coupling section 432 is coupled with the second radiating section 422.
  • the first coupling branch 43 is made of conductive material.
  • the second radiator 12 does not overlap with the first radiator 11, that is, the radiators of the first antenna component ANT-1 and the second antenna component ANT-2 supporting the same frequency band (first frequency band) do not overlap in the folded state, so as to reduce the mutual interference between the first antenna component ANT-1 and the second antenna component ANT-2, improve the isolation between the first antenna component ANT-1 and the second antenna component ANT-2, and the radiation efficiency for the first frequency band.
  • the second coupling gap 45 overlaps with the first coupling gap 44 to prevent the second frame 230 made of metal from blocking the first coupling gap 44. This results in a small radiation clearance space of the first antenna component ANT- 1 , and reduces the radiation efficiency of the first antenna component ANT- 1 .
  • the first coupling section 431 is coupled to the first radiating section 421, and the second coupling section 432 is coupled to the second radiating section 422, wherein the first coupling section 431 and the second coupling section 432 can tune the radiator impedance of the second antenna component ANT-2 to improve the radiation efficiency of the first antenna component ANT-1 for the first frequency band after folding.
  • the frequency band supported by the first radiator 11 in the unfolded state is f1
  • the frequency band supported by the first radiator 11 in the folded state is f2
  • the frequency band supported by the first radiator 11 in the folded state is f1
  • the foldable electronic device 1000 can better support f1 in both the unfolded state and the folded state, thereby improving the radiation performance of the antenna assembly 400.
  • the frequency band supported by the first radiator 11 in the unfolded state is f1
  • the efficiency of the first radiator 11 supporting f1 in the folded state is reduced
  • the efficiency of the first radiator 11 supporting the f1 frequency band in the folded state is improved.
  • the first coupling branch 43 and the first radiator 11 are reconstructed into a new radiating branch of the first antenna component ANT-1, so that the impedance of the radiator of the first antenna component ANT-1 matches the required supported frequency band, which can not only avoid the second frame 230 blocking the first antenna component ANT-1 and causing a reduction in clearance, but also enable the first coupling branch 43 on the second frame 230 to serve as a part of the first antenna component ANT-1, thereby improving the radiation performance of the first antenna component ANT-1 in the folded state, and ensuring that the first antenna component ANT-1 has good antenna performance when unfolded and folded.
  • the foldable electronic device 1000 provided in the present application has a first antenna component ANT-1 disposed on a first frame 210, and a second antenna component ANT-2 and a first coupling branch 43 disposed on a second frame 230.
  • first frame 210 and the second frame 230 are folded with each other, the first radiator 11 of the first antenna component ANT-1 and the second radiator 12 of the second antenna component ANT-2 do not overlap, so as to improve the isolation between the first antenna component ANT-1 and the second antenna component ANT-2, reduce the mutual interference between the first antenna component ANT-1 and the second antenna component ANT-2, and the first coupling branch 43 is
  • the first coupling section 431 is coupled to the first radiating section 421 of the first radiator 11
  • the second coupling section 432 of the first coupling branch 43 is coupled to the second radiating section 422 of the first radiator 11
  • the first coupling slot 44 on the first radiator 11 overlaps with the second coupling slot 45 on the first coupling branch 43 to avoid the first coupling slot 44 being blocked by the second frame
  • the present application does not make any specific limitation on the specific length of the first coupling branch 43.
  • the length of the first coupling section 431 is the same as or different from the length of the first radiation section 421.
  • the length of the second coupling section 432 is the same as or different from the length of the second radiation section 422.
  • the first coupling section 431 and the first radiation section 421 are symmetrically arranged about the rotation axis 220.
  • the second coupling section 432 and the second radiation section 422 are symmetrically arranged about the rotation axis 220.
  • the first coupling gap 44 and the second coupling gap 45 are symmetrically arranged.
  • the length of the first coupling section 431 and the length of the second coupling section 432 may be the same as or different.
  • the lengths of the first coupling section 431 and the second coupling section 432 may be designed according to specific impedance adjustment.
  • the first antenna assembly ANT-1 further includes a controller (not shown) and a first tuning circuit N1.
  • the first tuning circuit N1 is electrically connected to the first coupling section 431 and/or the second coupling section 432 of the first coupling branch 43.
  • the controller is electrically connected to the first tuning circuit N1.
  • the first tuning circuit N1 is used to perform impedance tuning on the first coupling branch 43 to tune the radiation performance of the first radiator 11.
  • the controller is used to control the first tuning circuit N1 to tune the impedance of the first coupling branch 43 when the foldable electronic device 1000 is folded.
  • the first tuning circuit N1 includes an antenna switch N11 and a plurality of tuning branches N12 electrically connected to the antenna switch N11 ; and/or, referring to FIG. 5 , the first tuning circuit N1 includes an adjustable capacitor.
  • the first tuning circuit N1 also includes multiple tuning branches N12.
  • the controller is electrically connected to the control end of the antenna switch N11, one end of the multiple tuning branches N12 is electrically connected to one end of the antenna switch N11, and the other end of the antenna switch N11 is electrically connected to the first coupling branch 43. That is, the antenna switch N11 is a single-pole multi-throw switch.
  • the other ends of the multiple tuning branches N12 are all grounded.
  • the multiple tuning branches N12 are used to tune the impedance of the first coupling branch 43 so that the impedance of the radiator of the folded first antenna component ANT-1 is matched to meet the support for the required frequency band and improve the radiation performance.
  • each tuning branch N12 is different.
  • the multiple tuning branches N12 are multiple capacitors with different capacitance values.
  • the multiple tuning branches N12 are multiple inductors with different inductance values.
  • the multiple tuning branches N12 include multiple capacitors with different capacitance values, and multiple inductors with different inductance values.
  • the first tuning circuit N1 includes a first adjustable capacitor, the size of the first adjustable capacitor is adjustable, and is used to tune the impedance of the first coupling branch 43.
  • the controller is electrically connected to the first adjustable capacitor, and is used to tune the size of the first adjustable capacitor.
  • the first adjustable capacitor is a capacitor with an adjustable capacitance value. In this way, by adjusting the capacitance value of the capacitor, the impedance value of the first tuning circuit N1 is adjustable, so as to adjust the equivalent electrical length of the tuning branch N12, further adjust the effective electrical length of the first coupling branch 43, and then adjust the impedance matching of the radiator of the folded first antenna assembly ANT-1.
  • the first tuning circuit N1 may also be a combination of the first implementation and the second implementation described above.
  • the tuning branch N12 includes the first adjustable capacitor.
  • a first tuning circuit N1 can be set on each first coupling branch 43 to achieve impedance tuning for each first coupling branch 43, further tune the resonant mode generated by each radiation segment and the supported frequency band, improve the radiation performance of the first antenna component ANT-1 after folding, ensure that the foldable electronic device 1000 has good antenna performance in both the unfolded state and the folded state, and improve the user's Internet experience.
  • the first frame 210 and the second frame 230 are both conductive frames, and the first radiator 11, the second radiator 12 and the first coupling branch 43 are all part of the conductive frames.
  • the first frame 210 and the second frame 230 are both metal frames.
  • the first radiator 11 is a part of the first frame 210
  • the first coupling branch 43 is a part of the second frame 230.
  • the first coupling gap 44 is a gap on the metal frame and is filled with insulating material to make the entire frame complete. The present application does not limit the specific width of the first coupling gap 44 and the insulating filling material.
  • the first frame 210 and the second frame 230 both include a conductor 200a and a coating 200b coated on the conductor 200a.
  • the first radiator 11, the second radiator 12 and the first coupling branch 43 are all part of the conductor 200a.
  • the coating 200b is made of a non-conductive material, such as plastic, ceramic, glass, composite material, etc.
  • the conductor 200a is embedded in the coating 200b, and extends out a conductive portion for electrical connection with a radio frequency transceiver chip, a circuit board, etc.
  • a groove is provided on the inner surface of the coating 200b, and the conductor 200a is disposed in the groove on the inner surface of the coating 200b.
  • first frame 210 and the second frame 230 are metal frames as an example.
  • the foldable electronic device 1000 includes a top edge 215 , a first side edge 211 , and a second side edge 212 disposed on the first frame 210 , and a bottom edge 216 , a third side edge 213 , and a fourth side edge 214 disposed on the second frame 230 .
  • the rotation axis 220 is parallel to the top edge 215 and the bottom edge 216, and extends along the X-axis direction.
  • the third side 213 and the fourth side 214 are arranged opposite to each other and are connected between the top side 215 and the rotating shaft 220.
  • the third side 213 and the fourth side 214 are arranged opposite to each other and are connected between the rotating shaft 220 and the bottom side 216.
  • the first side 211 and the third side 213 overlap each other in the folded state.
  • the first side 211 and the third side 213 are arranged in a collinear manner in the flattened state.
  • the second side 212 and the fourth side 214 overlap each other in the folded state, and the second side 212 and the fourth side 214 are arranged in a collinear manner in the flattened state.
  • the first antenna component ANT-1 is disposed on the first side 211.
  • the second antenna component ANT-2 is disposed on the third side 213.
  • the first radiator 11 is disposed on the first side 211.
  • the first coupling branch 43 is disposed on the third side 213, and the first coupling branch 43 and the first radiator 11 are symmetrically arranged about the rotation axis 220.
  • the second coupling slot 45 on the first coupling branch 43 and the first coupling slot 44 on the first radiator 11 are symmetrically arranged about the rotation axis 220.
  • the second radiator 12 is disposed on the third side 213.
  • the foldable electronic device 1000 further includes a third antenna component ANT- 3 , a fourth antenna component ANT- 4 and a second coupling branch 46 .
  • the third antenna component ANT-3 and the fourth antenna component ANT-4 are arranged on the second side 212.
  • the third antenna component ANT-3 includes a third feed source S3 and a third radiator 13.
  • the third feed source S3 is electrically connected to the third radiator 13, and is used to excite the third radiator 13 to generate resonance in the first frequency band.
  • the fourth antenna component ANT-4 includes a fourth feed source S4 and a fourth radiator 14 electrically connected to the fourth feed source S4, and the fourth radiator 14 generates resonance supporting the second frequency band under the excitation of the fourth feed source S4.
  • the second frequency band and the first frequency band are different frequency bands.
  • the first frequency band is the LB frequency band
  • the second frequency band is the MHB frequency band.
  • a third coupling slot 47 is formed between the third radiator 13 and the fourth radiator 14.
  • the third radiator 13 and the fourth radiator 14 are coupled through the third coupling slot 47 to excite resonance supporting the first frequency band and the second frequency band.
  • the third antenna assembly ANT-3 and the fourth antenna assembly ANT-4 form a co-aperture antenna.
  • the second coupling branch 46 is disposed on the fourth side 214 , and includes a third coupling segment 461 and a fourth coupling segment 462 .
  • a fourth coupling gap 48 is formed between the third coupling segment 461 and the fourth coupling segment 462 .
  • the third coupling slot 47 overlaps with the fourth coupling slot 48 to avoid the second frame 230 blocking the third coupling slot 47 when folded.
  • the third coupling segment 461 is coupled with the third radiator 13 to tune the radiator impedance of the third antenna component ANT-3 and improve the radiation efficiency of the third antenna component ANT-3 when folded.
  • the fourth coupling segment 462 is coupled with the fourth radiator 14 to tune the radiator impedance of the fourth antenna component ANT-4 and improve the radiation efficiency of the fourth antenna component ANT-4 when folded.
  • a tuning circuit may be provided on the third coupling section 461, and the tuning circuit may assist in tuning the radiator impedance matching of the third antenna assembly ANT-3 when folded.
  • a tuning circuit may be provided on the fourth coupling section 462, and the tuning circuit may assist in tuning the radiator impedance matching of the fourth antenna assembly ANT-4 when folded.
  • the third coupling section 461 and the third radiator 13 are symmetrically arranged about the rotation axis 220.
  • the fourth coupling section 462 and the fourth radiator 14 are symmetrically arranged about the rotation axis 220.
  • the third coupling slot 47 and the fourth coupling slot 48 are symmetrically arranged about the rotation axis 220.
  • the first antenna component ANT-1, the second antenna component ANT-2, and the third antenna component ANT-3 are all used to support the first frequency band, and the first frequency band can be low frequency, that is, the first antenna component ANT-1, the second antenna component ANT-2, and the third antenna component ANT-3 are all low frequency antennas.
  • the radiators of the first antenna component ANT-1, the second antenna component ANT-2, and the third antenna component ANT-3 will not overlap, so as to improve the isolation and radiation efficiency of the low frequency antenna when the foldable electronic device 1000 is folded, and reduce the mutual interference between the first antenna component ANT-1, the second antenna component ANT-2, and the third antenna component ANT-3; in addition, when the foldable electronic device 1000 is folded, the first coupling slot on the first radiator 11
  • the gap 44 overlaps with the second coupling gap 45 on the first coupling branch 43, and the third coupling gap 47 between the third radiator 13 and the fourth radiator 14 overlaps with the fourth coupling gap 48 on the second coupling branch 46, so as to avoid the first coupling gap 44 and the third coupling gap 47 being blocked by the second frame 230 when folded, resulting in a reduction in the clearance interval of the first antenna component ANT-1 and the third antenna component ANT-3, and the impedance of the radiator of the first antenna component ANT-1 is tuned by the first coupling branch 43,
  • the three low-frequency antennas namely the first antenna component ANT-1, the second antenna component ANT-2, and the third antenna component ANT-3, are respectively arranged at a position near the middle of the left side, the middle of the right side, and a position near the corner of the bottom side of the foldable electronic device 1000 when it is unfolded, so as to ensure that the low-frequency antenna will not be held fixedly when the screen is held in portrait or landscape mode, so as to adapt to various handheld environments.
  • the foldable electronic device 1000 further includes a battery 500.
  • the battery 500 is disposed in the area surrounded by the second frame 230 and the rotating shaft 220.
  • the three sides of the battery 500 are disposed next to the third side 213, the rotating shaft 220 and the fourth side 214.
  • the space near the position of the third side 213 near the battery 500 and the space near the position of the fourth side 214 near the battery 500 cannot be used to set components such as circuit boards. In this way, some electronic components cannot be set, resulting in a waste of space.
  • the frame positions on both sides of the battery 500 are reasonably utilized to improve the utilization rate of the frame.
  • the first coupling branch 43 and the second coupling branch 46 will not occupy additional space while improving the antenna performance when folded.
  • the first frequency band includes but is not limited to the LB band, the MHB band, the N41 band, the Wi-Fi band, and the Bluetooth band.
  • the second frequency band includes but is not limited to the LB band, the MHB band, the N41 band, the Wi-Fi band, and the Bluetooth band.
  • the LB band includes one or more of the 2G, 3G, 4G, and 5G bands.
  • the MHB band includes one or more of the 2G, 3G, 4G, and 5G bands.
  • the Wi-Fi band includes at least one of the Wi-Fi 2.4G band and the Wi-Fi 5G band.
  • the LB band refers to a frequency band below 1000MHz (excluding 1000MHz).
  • the MHB band refers to a frequency band of 1000MHz-3000MHz (including 1000MHz and excluding 3000MHz).
  • the antenna system 100 further includes a low-frequency antenna group and a first control module 510 .
  • the low-frequency antenna group includes a first antenna component ANT-1, a second antenna component ANT-2 and a third antenna component ANT-3.
  • the first antenna component ANT-1, the second antenna component ANT-2 and the third antenna component ANT-3 described in the present application all include antenna radiators, antenna feeds, etc.
  • the first antenna component ANT-1, the second antenna component ANT-2 and the third antenna component ANT-3 can all send and receive LB (low frequency) signals.
  • LB (low frequency) signals include but are not limited to 2G, 3G, 4G, and 5G frequency bands.
  • the first antenna component ANT-1 includes a first radiator 11 and a first feed source S1 electrically connected to the first radiator 11.
  • the first radiator 11 includes a first ground terminal 21 and a second ground terminal 22 that are arranged opposite to each other.
  • the first ground terminal 21 is close to the rotating shaft 220 relative to the second ground terminal 22.
  • a first coupling gap 44 is provided between the first ground terminal 21 and the second ground terminal 22.
  • the first feed source S1 is electrically connected between the first coupling gap 44 and the second ground terminal 22.
  • a first adjustment circuit T1 for tuning the frequency band is provided between the first feed source S1 and the first radiator 11.
  • a second adjustment circuit T2 for tuning the frequency band is also provided between the second ground terminal 22 and the reference ground.
  • the first regulating circuit T1 includes but is not limited to an antenna switch, a capacitor, an inductor, or a combination of capacitors and inductors.
  • the second regulating circuit T2 includes but is not limited to an antenna switch, a capacitor, an inductor, or a combination of capacitors and inductors.
  • Subsequent other regulating circuits also include but are not limited to an antenna switch, a capacitor, an inductor, or a combination of capacitors and inductors, which will not be described in detail later.
  • the third radiator 13 includes a third grounding end 23 and a first opening end 31 that are arranged opposite to each other.
  • the third grounding end 23 is away from the rotating shaft 220 relative to the first opening end 31.
  • the third feed source S3 is electrically connected between the third grounding end 23 and the first opening end 31.
  • a button flexible circuit board for abutting against the volume button may be provided between the third feed source S3 and the third grounding end 23, so as to reasonably utilize the space between the components of the third antenna assembly ANT-3 and improve the space utilization rate.
  • the second antenna component ANT-2 is disposed at a corner between the bottom edge 216 and the third side edge 213. Specifically, the antenna radiator of the second antenna component ANT-2 is disposed at a corner between the bottom edge 216 and the third side edge 213.
  • the second antenna assembly ANT-2 includes a second radiator 12 and a second feed source S2 electrically connected to the second radiator 12.
  • the second radiator 12 includes a fourth ground terminal 24 and a fifth ground terminal 25 arranged opposite to each other.
  • the fourth ground terminal 24 is arranged on the third side 213, and the fifth ground terminal 25 is arranged on the bottom 216.
  • a third adjustment circuit T3 for tuning the frequency band is provided between the second feed source S2 and the second radiator 12.
  • the third radiator 13 between the fifth ground terminal 25 and the third adjustment circuit T3 is also electrically connected to a first matching circuit M1 and a fourth adjustment circuit T4.
  • the first matching circuit M1 is electrically connected between the fourth adjustment circuit T4 and the third radiator 13.
  • the fourth adjustment circuit T4 is grounded.
  • the first matching circuit M1 includes but is not limited to an antenna switch, a capacitor, an inductor, or a combination of capacitors and inductors. Subsequent other matching circuits also include but are not limited to an antenna switch, a capacitor, an inductor, or a combination of capacitors and inductors, which will not be described in detail later.
  • the first control module 510 is electrically connected to the first antenna component ANT-1, the second antenna component ANT-2 and the third antenna component ANT-3.
  • the first control module 510 is used to determine the first target antenna among the first antenna component ANT-1, the second antenna component ANT-2 and the third antenna component ANT-3 according to the signal strength of the first antenna component ANT-1, the second antenna component ANT-2 and the third antenna component ANT-3, and switch to the first target antenna to transmit the first frequency band.
  • the first frequency band is a low frequency.
  • the first antenna component ANT-1, the second antenna component ANT-2 and the third antenna component ANT-3 can receive low-frequency signals simultaneously.
  • the radiation performance of the antenna unit will be affected by the hand holding. For example, different hand holding postures will hold different antenna radiators, resulting in low radiation efficiency of the antenna and poor working environment.
  • the user's holding gesture is uncertain, such as horizontal holding, vertical holding, holding in a folded state, etc.
  • the antenna in the foldable electronic device 1000 may be held tightly, and if the transmitting antenna (the transmitting antenna is a radiator used for transmission) is held tightly, the foldable electronic device 1000 will be unable to connect to the base station or the connection will be poor, that is, the foldable electronic device 1000 has no signal or a very weak signal, resulting in a poor user experience.
  • the low-frequency antenna group provided in this embodiment includes a first antenna component ANT-1, a second antenna component ANT-2 and a third antenna component ANT-3, and the first antenna component ANT-1, the second antenna component ANT-2 and the third antenna component ANT-3 are respectively arranged on different sides of the foldable electronic device 1000, such as the left and right sides and the bottom side.
  • the second antenna component ANT-2 may be blocked, and the detection unit in the first control module 510 can detect that the signal strength of the second antenna component ANT-2 is relatively poor, and the signal strengths of the first antenna component ANT-1 and the third antenna component ANT-3 are relatively good.
  • the switching unit in the first control module 510 can determine that one or both of the first antenna component ANT-1 and the third antenna component ANT-3 are target low-frequency antennas, and switch to the target low-frequency antenna to transmit low-frequency signals, so as to ensure that the foldable electronic device 1000 has good transceiver performance for low-frequency signals in the horizontal screen holding state.
  • the first antenna component ANT-1 and the third antenna component ANT-3 may be blocked, and the detection unit in the first control module 510 can detect that the signal strength of the first antenna component ANT-1 and the third antenna component ANT-3 is relatively poor, and the signal strength of the second antenna component ANT-2 is relatively good.
  • the switching unit in the first control module 510 can determine that the second antenna component ANT-2 is the target low-frequency antenna, and switch to the target low-frequency antenna to transmit the low-frequency signal, so as to ensure that the foldable electronic device 1000 has good receiving and transmitting performance for the low-frequency signal when held in portrait mode.
  • the switching unit in the first control module 510 can determine that one or both of the first antenna component ANT-1 and the third antenna component ANT-3 are the target low-frequency antennas, and switch to the target low-frequency antenna to transmit the low-frequency signal, so as to ensure that the foldable electronic device 1000 has better receiving and transmitting performance for the low-frequency signal in the folded state.
  • the first control module 510 further includes a first switch unit 511, at least one first RF receiving module 512, and at least one first RF transceiver module 513.
  • the input end of the first switch unit 511 is electrically connected to the first RF receiving module 512 and the first RF transceiver module 513, and the output end of the first switch unit 511 is electrically connected to the first antenna component ANT-1, the second antenna component ANT-2, and the third antenna component ANT-3.
  • the switch unit in the first control module 510 determines that the first antenna component ANT-1 is the target low-frequency antenna
  • the first switch unit 511 switches to the first antenna component ANT-1 being electrically connected to the first RF transceiver module 513, and the second antenna component ANT-2 and the third antenna component ANT-3 being electrically connected to the first RF receiving module 512.
  • the switch unit in the first control module 510 determines that the second antenna component ANT-2 is the target low-frequency antenna
  • the first switch unit 511 switches to the second antenna component ANT-2 being electrically connected to the first RF transceiver module 513, and the first antenna component ANT-1 and the third antenna component ANT-3 being electrically connected to the first RF receiving module 512.
  • the switching unit in the first control module 510 determines that the third antenna component ANT-3 is the target low-frequency antenna
  • the first switch unit 511 switches to the third antenna component ANT-3 electrically connected to the first RF transceiver module 513, and the second antenna component ANT-2 and the first antenna component ANT-1 are electrically connected to the first RF receiving module 512.
  • the detection and switching process of the first control module 510 is a real-time dynamic process. That is, the detection unit in the first control module 510 detects the signal receiving strength of the first antenna component ANT-1, the second antenna component ANT-2 and the third antenna component ANT-3 in real time, and the first control module 510 can dynamically adjust the first switch unit 511 in real time according to the usage scenario to achieve intelligent switching, so as to ensure that no matter how the working environment of the foldable electronic device 1000 changes (or how the hand-holding posture changes), the antenna with the best or better signal strength can be used as the transmitting antenna, and the other antennas can be used as receiving antennas, so as to maintain the transmitting antenna with good signal quality in different hand-holding postures, improve the signal stability of the foldable electronic device 1000, and ensure that the user has the best signal in real time.
  • the first control module 510 is also used to select two of the first antenna component ANT-1, the second antenna component ANT-2 and the third antenna component ANT-3 to transmit the first low-frequency signal and the second low-frequency signal respectively, and control the first antenna component ANT-1, the second antenna component ANT-2 and the third antenna component ANT-3 to receive the low-frequency signal.
  • the first low-frequency signal and the second low-frequency signal are different.
  • the first low-frequency signal is B20 and the second low-frequency signal is N28.
  • the three antennas support two different low-frequency bands (i.e., L+L) at the same time, and the number of required antennas is reduced, the space occupied is saved, and the space conditions are created for setting other antennas for the foldable electronic device 1000.
  • the antenna system 100 further includes an intermediate frequency antenna group and a second control module 520 .
  • the intermediate frequency antenna group includes the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6.
  • the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6 described in the present application all include antenna radiators, antenna feed sources, etc.
  • the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6 are all capable of transmitting and receiving MHB (intermediate and high frequency) signals.
  • MHB (medium and high frequency) signals include but are not limited to 2G, 3G, 4G, and 5G frequency bands.
  • the fourth antenna component ANT- 4 is disposed on the second side 212 and is located between the third antenna component ANT- 3 and the rotating shaft 220 .
  • the fourth antenna assembly ANT-4 includes a fourth radiator 14 and a fourth feed source S4 electrically connected to the fourth radiator 14.
  • the fourth radiator 14 includes a seventh grounding terminal 27 and a third opening end 33 that are relatively arranged.
  • the seventh grounding terminal 27 is closer to the rotating shaft 220 than the third opening end 33.
  • a sixth adjustment circuit T6 for tuning the frequency band is provided between the fourth feed source S4 and the fourth radiator 14.
  • a first coupling gap 44 is formed between the third opening end 33 and the first opening end 31.
  • the fourth antenna assembly ANT-4 and the third antenna assembly ANT-3 form a co-aperture antenna, which generates more resonant modes with a smaller antenna size, supports more frequency bands, improves throughput, and increases data transmission rate.
  • the fifth antenna component ANT- 5 is disposed at a corner between the top edge 215 and the first side edge 211 .
  • the fifth antenna assembly ANT-5 includes a fifth radiator 15 and a fifth feed source S5 electrically connected to the fifth radiator 15.
  • the fifth radiator 15 includes a sixth ground terminal 26 and a second open end 32 arranged opposite to each other.
  • the sixth ground terminal 26 is arranged at the first side 211, and the second open end 32 is arranged at the top 215.
  • a fifth adjustment circuit T5 for tuning the frequency band is provided between the fifth feed source S5 and the fifth radiator 15.
  • the sixth ground terminal 26 and the reference ground are also electrically connected to a second matching circuit M2.
  • the sixth antenna element ANT- 6 is disposed on the bottom edge 216 .
  • the sixth antenna assembly ANT-6 includes a sixth radiator 16 and a sixth feed source S6 electrically connected to the sixth radiator 16.
  • the sixth radiator 16 includes a fifth ground terminal 25 and an eighth ground terminal 28 arranged opposite to each other.
  • a seventh adjustment circuit T7 for tuning the frequency band is provided between the sixth feed source S6 and the sixth radiator 16.
  • an eighth adjustment circuit T8 is also electrically connected between the fifth ground terminal 25 and the reference ground.
  • a first break 51 is provided on the sixth radiator 16 between the fifth ground terminal 25 and the seventh adjustment circuit T7.
  • the eighth ground terminal 28 is disposed at the fourth side 214.
  • the sixth feed source S6 can excite the first slit 51 and the eighth ground terminal 28 to generate a resonance mode supporting low frequencies, such as a 1/4 wavelength mode, and generate a resonance mode supporting medium and high frequencies through a high-order mode.
  • the eighth ground terminal 28 may be disposed at a position of the bottom edge 216 close to the fourth side edge 214.
  • the sixth feed source S6 may excite a resonance mode supporting medium and high frequencies between the first slit 51 and the eighth ground terminal 28, such as a 1/4 wavelength mode.
  • the sixth feed source S6 may also excite a resonance mode supporting medium and high frequencies between the first slit 51 and the fifth ground terminal 25, such as a 1/4 wavelength mode.
  • the superposition of these two resonance modes may increase the radiation performance of the sixth antenna assembly ANT-6 to medium and high frequencies.
  • the sixth antenna assembly ANT- 6 can support more MHB frequency bands.
  • the second control module 520 is electrically connected to the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6.
  • the second control module 520 is used to determine the second target antenna among the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6 according to the signal strength of the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6, and switch to the second target antenna to transmit the second frequency band.
  • the second frequency band is the MHB frequency band.
  • the second control module 520 determines the second target antenna among the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6, and switches to the second target antenna to transmit the second frequency band. Please refer to the working mode of the first control module 510, which will not be repeated here.
  • the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6 can receive the second frequency band simultaneously.
  • the fifth antenna component ANT-5 and the sixth antenna component ANT-6 may be blocked, and the detection unit in the second control module 520 can detect that the signal strength of the fifth antenna component ANT-5 and the sixth antenna component ANT-6 is relatively poor, and the signal strength of the first antenna component ANT-1 and the fourth antenna component ANT-4 is relatively good.
  • the switching unit in the second control module 520 can determine that one or both of the first antenna component ANT-1 and the fourth antenna component ANT-4 are the second target antenna, and switch to the second target antenna to transmit the MHB signal, so as to ensure that the foldable electronic device 1000 has good transceiver performance for the MHB signal when held in landscape mode.
  • the first antenna component ANT-1 and the fourth antenna component ANT-4 may be blocked, and the detection unit in the second control module 520 can detect that the signal strength of the first antenna component ANT-1 and the fourth antenna component ANT-4 is relatively poor, and the signal strength of the fifth antenna component ANT-5 and the sixth antenna component ANT-6 is relatively good.
  • the switching unit in the second control module 520 can determine that the fifth antenna component ANT-5 and the sixth antenna component ANT-6 are the second target antennas, and switch to the second target antenna to transmit the MHB signal, so as to ensure that the foldable electronic device 1000 has good receiving and transmitting performance for the MHB signal when held in landscape mode.
  • the switching unit in the second control module 520 can determine that one or both of the first antenna component ANT-1 and the fourth antenna component ANT-4 are the second target antenna, and switch to the second target antenna to transmit the MHB signal, so as to ensure that the foldable electronic device 1000 has better receiving and transmitting performance for the MHB signal when the screen is held in the horizontal position.
  • the intermediate frequency antenna group provided in this embodiment includes the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6, and the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6 are respectively arranged on different sides of the foldable electronic device 1000, such as the left side, the right side, the top side and the bottom side.
  • the radiators of the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6 will not overlap, so as to increase the isolation between the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6 to avoid mutual interference; on the other hand, the position settings of the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6 can cover different usage scenarios, such as vertical screen holding, horizontal screen holding or folded state.
  • the first antenna component ANT-1, the fourth antenna component ANT-4 and the fifth antenna component ANT-5 are all located on the first frame 210 (i.e. the upper part) of the foldable electronic device 1000.
  • the antenna of the second frame 230 (i.e. the lower part) of the foldable electronic device 1000 is the passive part of the antenna of the first frame 210 (i.e. the upper part), which is beneficial to the layout and performance of the antenna.
  • the antenna of the first frame 210 (i.e. the upper part) of the foldable electronic device 1000 has better performance when combined with a specific scenario. Therefore, the antenna layout of this embodiment has better performance for the MHB frequency band.
  • the second control module 520 includes a first main control module 521, a first control switch 522, a second main control module 523 and a second control switch 524.
  • the first control switch 522 is electrically connected to the first main control module 521, the fifth antenna assembly ANT-5 and the fourth antenna assembly ANT-4.
  • the first control switch 522 is used to switch the fifth antenna assembly ANT-5 or the fourth antenna assembly ANT-4 to be electrically connected to the first main control module 521.
  • the second control switch 524 is electrically connected to the second main control module 523, the first antenna assembly ANT-1 and the sixth antenna assembly ANT-6.
  • the second control switch 524 is used to switch the first antenna assembly ANT-1 or the sixth antenna assembly ANT-6 to be electrically connected to the first main control module 521. It can be understood that the first main control module 521 and the second main control module 523 can be power sources (PA).
  • PA power sources
  • the first main control module 521 switches the transmitting antenna between the fifth antenna assembly ANT-5 and the fourth antenna assembly ANT-4 through the first control switch 522
  • the second main control module 523 switches the transmitting antenna between the first antenna assembly ANT-1 and the sixth antenna assembly ANT-6 through the second control switch 524, realizing two-way control (dual PA) intelligent free switching.
  • the fifth antenna assembly ANT-5 and the fourth antenna assembly ANT-4 are main antennas.
  • the first main control module 521 switches the transmitting antenna between the fifth antenna assembly ANT-5 and the fourth antenna assembly ANT-4 through the first control switch 522.
  • the fifth antenna assembly ANT-5 and the fourth antenna assembly ANT-4 are main antennas.
  • the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6 are all capable of receiving signals to achieve 4-way reception (4RX) in the MHB band, thereby improving throughput and data transmission rate.
  • the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6 can also operate in 4*4 MIMO (multiple input multiple output).
  • the detection and switching process of the second control module 520 is a real-time dynamic process. That is, the detection unit in the second control module 520 detects the signal receiving strength of the first antenna component ANT-1, the fifth antenna component ANT-5, the fourth antenna component ANT-4 and the sixth antenna component ANT-6 in real time.
  • the second control module 520 can dynamically adjust the switch unit in real time according to the usage scenario to achieve intelligent switching to ensure that no matter how the working environment of the foldable electronic device 1000 changes (or how the hand-holding posture changes), the antenna with the best or better signal strength can be used as the transmitting antenna, and the other antennas are used as receiving antennas to maintain the transmitting antenna with good signal quality in different hand-holding postures, improve the signal stability of the foldable electronic device 1000, and ensure that the user has the best signal in real time.
  • the antenna system 100 further includes an electrical connection device. At least a portion of the electrical connection device passes through the rotating shaft 220.
  • the electrical connection device is electrically connected between the first antenna component ANT-1 and the second antenna component ANT-2, and between the first antenna component ANT-1 and the sixth antenna component ANT-6.
  • the electrical connection device is a flexible circuit board, which is bendable to adapt to the folding action of the foldable electronic device 1000.
  • the electrical connection device includes a first electrical connection line and a second electrical connection line.
  • the first electrical connection line is electrically connected between the first antenna component ANT-1 and the second antenna component ANT-2 (specifically, between the first switch unit 511 and the second antenna component ANT-2), and the second electrical connection line is electrically connected between the first antenna component ANT-1 and the sixth antenna component ANT-6 (specifically, between the second control switch 524 and the sixth antenna component ANT-6).
  • the use of conventional cable connection lines may cause the foldable electronic device 1000 to interfere with other devices or cause short circuits during the folding process.
  • the first electrical connection line of the electrical connection device is electrically connected between the first antenna component ANT-1 and the second antenna component ANT-2
  • the second electrical connection line is electrically connected between the first antenna component ANT-1 and the sixth antenna component ANT-6, so as to achieve reliable electrical connection between the first antenna component ANT-1 and the second antenna component ANT-2 and between the first antenna component ANT-1 and the sixth antenna component ANT-6, thereby avoiding problems such as interfering with other devices or causing short circuits during the folding process of the foldable electronic device 1000.
  • the antenna system 100 further includes a first high-frequency antenna group and a third control module 530 .
  • the first high-frequency antenna group includes the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9.
  • the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9 described in the present application all include antenna radiators, antenna feed sources, etc.
  • the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9 can all receive and send NR UHB (ultra-high frequency) signals.
  • NR UHB (ultra-high frequency) signals include but are not limited to N77 and N78 frequency bands.
  • the seventh antenna component ANT-7 is disposed on the first side 211 and is located between the first antenna component ANT-1 and the fifth antenna component ANT-5.
  • the seventh antenna assembly ANT-7 also includes a seventh radiator 17 and a seventh feed source S7 electrically connected to the seventh radiator 17.
  • the seventh radiator 17 includes the sixth ground terminal 26 and the ninth ground terminal 29, and a second slit 52 between the sixth ground terminal 26 and the ninth ground terminal 29.
  • the ninth ground terminal 29 is located on the first side 211 and is close to the rotating shaft 220 relative to the sixth ground terminal 26.
  • the seventh feed source S7 is electrically connected between the second slit 52 and the ninth ground terminal 29; or, the seventh feed source S7 is electrically connected between the second slit 52 and the sixth ground terminal 26.
  • the eighth antenna component ANT- 8 is disposed on the top edge 215 .
  • the eighth antenna assembly ANT-8 further includes an eighth radiator 18 and an eighth feed source S8 electrically connected to the eighth radiator 18.
  • the eighth radiator 18 includes a tenth ground terminal 60 and a fourth open end 34.
  • the eighth feed source S8 is electrically connected between the tenth ground terminal 60 and the fourth open end 34.
  • the fourth open end 34 is close to the second side 212 relative to the tenth ground terminal 60.
  • the ninth antenna component ANT- 9 is disposed on the top edge 215 .
  • the ninth antenna assembly ANT-9 also includes a ninth radiator 19 and a ninth feed source S9 electrically connected to the ninth radiator 19.
  • the ninth radiator 19 includes an eleventh ground terminal 61 and a fifth open end 35.
  • the ninth feed source S9 is electrically connected between the eleventh ground terminal 61 and the fifth open end 35.
  • a ninth adjustment circuit T9 is provided between the ninth feed source S9 and the ninth radiator 19.
  • the fifth open end 35 is close to the first side 211 relative to the eleventh ground terminal 61.
  • the eleventh ground terminal 61 is arranged adjacent to the tenth ground terminal 60, and the eleventh ground terminal 61 is close to the first side 211 relative to the tenth ground terminal 60.
  • the fifth open end 35 is coupled to the second open end 32 through a gap.
  • the ninth antenna assembly ANT-9 forms a co-aperture antenna with the fifth antenna assembly ANT-5 and the seventh antenna assembly ANT-7, which generates more resonant modes with a smaller antenna size, supports more frequency bands, improves throughput, and increases data transmission rate.
  • the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9 are all used to generate resonance supporting the third frequency band.
  • the third control module 530 is electrically connected to the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9.
  • the third control module 530 is used to determine the third target antenna among the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9 according to the signal strength of the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9, and switch to the third target antenna to transmit the third frequency band.
  • the third frequency band includes but is not limited to At least one of the N77 and N78 frequency bands.
  • the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9 can simultaneously receive the third frequency band.
  • the eighth antenna component ANT-8 and the ninth antenna component ANT-9 may be blocked, and the detection unit in the third control module 530 may detect that the signal strengths of the eighth antenna component ANT-8 and the ninth antenna component ANT-9 are relatively poor, and the signal strengths of the fourth antenna component ANT-4 and the seventh antenna component ANT-7 are relatively good.
  • the switching unit in the third control module 530 may determine that one or both of the fourth antenna component ANT-4 and the seventh antenna component ANT-7 are the third target antenna, and switch to the third target antenna to transmit at least one of the N77 and N78 frequency bands, so as to ensure that the foldable electronic device 1000 has good transceiver performance for at least one of the N77 and N78 frequency bands in the landscape mode.
  • the fourth antenna component ANT-4 may be blocked, and the detection unit in the third control module 530 may detect that the signal strength of the fourth antenna component ANT-4 is relatively poor, and the signal strengths of the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9 are relatively good.
  • the switching unit in the third control module 530 may determine that at least one of the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9 is the third target antenna, and switch to the third target antenna to transmit at least one of the N77 and N78 frequency bands to ensure that the foldable electronic device 1000 has good transceiver performance for at least one of the N77 and N78 frequency bands in the landscape mode.
  • the switching unit in the third control module 530 can determine that the fourth antenna component ANT-4 is the third target antenna, and switch to the third target antenna to transmit at least one of the N77 and N78 frequency bands to ensure that the foldable electronic device 1000 has better transceiver performance for at least one of the N77 and N78 frequency bands when held in the horizontal screen state.
  • the first high-frequency antenna group provided in this embodiment includes the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9, and the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9 are respectively arranged on the top side, left side and right side of the foldable electronic device 1000.
  • the position settings of the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9 can cover different usage scenarios.
  • the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9 are all located on the first frame 210 (i.e., the upper part) of the foldable electronic device 1000.
  • the antenna of the first frame 210 (i.e., the upper part) of the foldable electronic device 1000 has better performance when combined with the specific scenario. Therefore, the antenna layout of this embodiment has better performance for the UHB frequency band.
  • the third control module 530 includes a third main control module 531, a third control switch 532, a fourth main control module 533 and a fourth control switch 534.
  • the third control switch 532 is electrically connected to the third main control module 531, the seventh antenna component ANT-7 and the ninth antenna component ANT-9.
  • the third control switch 532 is used to switch the seventh antenna component ANT-7 or the ninth antenna component ANT-9 to be electrically connected to the third main control module 531.
  • the fourth control switch 534 is electrically connected to the fourth main control module 533, the fourth antenna component ANT-4 and the eighth antenna component ANT-8.
  • the fourth control switch 534 is used to switch the fourth antenna component ANT-4 or the eighth antenna component ANT-8 to be electrically connected to the fourth main control module 533.
  • the third main control module 531 switches the transmitting antenna between the seventh antenna assembly ANT-7 and the ninth antenna assembly ANT-9 through the third control switch 532, and the fourth main control module 533 switches the transmitting antenna between the fourth antenna assembly ANT-4 and the eighth antenna assembly ANT-8 through the fourth control switch 534, realizing two-way control (dual PA) intelligent and free switching.
  • the power source (PA) switches between the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9, in order to ensure signal balance of the four antennas, the power source (PA) is generally set near the center position of the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9.
  • this results in poor signal quality for each antenna.
  • the power source (PA) is placed close to the group of the fourth antenna component ANT-4 and the eighth antenna component ANT-8, and away from the group of the seventh antenna component ANT-7 and the ninth antenna component ANT-9, the signal quality of the group of the seventh antenna component ANT-7 and the ninth antenna component ANT-9 will be poor.
  • the two PAs can be respectively close to the fourth antenna component ANT-4 and the eighth antenna component ANT-8, and the seventh antenna component ANT-7 and the ninth antenna component ANT-9, so that the signals of the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the ninth antenna component ANT-9 are all better; by introducing two groups of main control modules (i.e., two PAs), the uplink rate of the two PAs is faster when they are working.
  • two groups of main control modules i.e., two PAs
  • the antenna system 100 further includes a second high-frequency antenna group.
  • the second high-frequency antenna group includes the fourth antenna component ANT-4, the seventh antenna component ANT-7, the ninth antenna component ANT-9 and the tenth antenna component ANT-10.
  • the tenth antenna component ANT-10 described in the present application includes an antenna radiator, an antenna feed, etc.
  • the fourth antenna component ANT-4, the seventh antenna component ANT-7, the ninth antenna component ANT-9 and the tenth antenna component ANT-10 are all used to generate resonance supporting the fourth frequency band, and the fourth frequency band is NR UHB (ultra-high frequency) signal.
  • NR UHB (ultra-high frequency) signals include but are not limited to the N79 frequency band.
  • the tenth antenna assembly ANT-10 is located in the area surrounded by the first frame 210, and the tenth antenna assembly ANT-10 is an LDS antenna.
  • the LDS antenna refers to a radiator formed by a laser direct structuring (LDS) process.
  • LDS laser direct structuring
  • the LDS antenna does not occupy space on the frame and can be flexibly arranged within the first frame 210.
  • the tenth antenna assembly ANT-10 can have a separate feed source, or be co-fed with other antennas.
  • the present application does not make specific limitations on the position of the tenth antenna assembly ANT-10.
  • the tenth antenna assembly ANT-10 is located near the top edge 215.
  • the radiator position of the tenth antenna assembly ANT-10 can be appropriately adjusted according to the size of the display screen set on the front and back sides of the first frame 210.
  • the radiator position of the tenth antenna assembly ANT-10 is staggered or at least partially staggered with the position of the display screen in the Z-axis direction.
  • the tenth antenna assembly ANT-10 is electrically connected to the fourth control switch 534; the fourth control switch 534 is also used to switch the fourth antenna assembly ANT-4 or the tenth antenna assembly ANT-10 to be electrically connected to the fourth main control module 533;
  • the third control module 530 is also electrically connected to the tenth antenna assembly ANT-10.
  • the third control module 530 is also used to determine the fourth target antenna among the fourth antenna assembly ANT-4, the seventh antenna assembly ANT-7, the ninth antenna assembly ANT-9 and the tenth antenna assembly ANT-10 according to the signal strength of the fourth antenna assembly ANT-4, the seventh antenna assembly ANT-7, the ninth antenna assembly ANT-9 and the tenth antenna assembly ANT-10, and switch to the fourth target antenna to transmit the fourth frequency band.
  • the fourth frequency band number includes but is not limited to the N79 frequency band.
  • the fourth antenna component ANT-4, the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the tenth antenna component ANT-10 can simultaneously receive the fourth frequency band.
  • the third main control module 531 switches the transmitting antenna between the seventh antenna component ANT-7 and the ninth antenna component ANT-9 through the third control switch 532, and the fourth main control module 533 switches the transmitting antenna between the fourth antenna component ANT-4 and the tenth antenna component ANT-10 through the fourth control switch 534, thereby realizing two-way control (dual PA) intelligent and free switching.
  • the eighth antenna component ANT-8 9 may be blocked, and the detection unit in the third control module 530 may detect that the signal strength of the eighth antenna component ANT-8 is relatively poor, and the signal strengths of the fourth antenna component ANT-4, the seventh antenna component ANT-7, and the tenth antenna component ANT-10 are relatively good.
  • the switching unit in the third control module 530 may determine that at least one of the fourth antenna component ANT-4, the seventh antenna component ANT-7, and the tenth antenna component ANT-10 is the fourth target antenna, and switch to the fourth target antenna to transmit the N79 frequency band, so as to ensure that the foldable electronic device 1000 has good transceiver performance for the N79 frequency band when held in landscape mode.
  • the fourth antenna component ANT-4 may be blocked, and the detection unit in the third control module 530 can detect that the signal strength of the fourth antenna component ANT-4 is relatively poor, and the signal strengths of the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the tenth antenna component ANT-10 are relatively good.
  • the switching unit in the third control module 530 can determine that at least one of the seventh antenna component ANT-7, the eighth antenna component ANT-8 and the tenth antenna component ANT-10 is the fourth target antenna, and switch to the fourth target antenna to transmit the N79 frequency band, so as to ensure that the foldable electronic device 1000 has good transceiver performance for the N79 frequency band when held in landscape mode.
  • the switching unit in the third control module 530 can determine that at least one of the fourth antenna components ANT-4 is the fourth target antenna, and switch to the fourth target antenna to transmit the N79 frequency band, so as to ensure that the foldable electronic device 1000 has better transceiver performance for the N79 frequency band when held in the horizontal screen state.
  • the antenna system 100 also includes a Wi-Fi antenna group.
  • the Wi-Fi antenna group is used to support Wi-Fi 2.4G and Wi-Fi 5G frequency bands.
  • the Wi-Fi antenna group includes the first antenna component ANT-1, the eighth antenna component ANT-8, the eleventh antenna component ANT-11 and the twelfth antenna component ANT-12.
  • the eleventh antenna component ANT-11 is arranged at the corner between the second side 212 and the top side 215.
  • the first antenna component ANT-1 and the eleventh antenna component ANT-11 can work simultaneously to support Wi-Fi 2.4G, and the eighth antenna component ANT-8 and the twelfth antenna component ANT-12 support Wi-Fi 5G frequency band.
  • the eleventh antenna assembly ANT-11 includes an eleventh feed source S11 and an eleventh radiator 111 electrically connected to the eleventh feed source S11.
  • the eleventh radiator 111 includes a sixth open end 36 and a twelfth ground end 62.
  • the sixth open end 36 is coupled with the fourth open end 34 of the eighth antenna assembly ANT-8 through a gap, and the twelfth ground end 62 is disposed on the second side 212.
  • the eleventh feed source S11 is electrically connected between the sixth open end 36 and the twelfth ground end 62, and a tenth adjustment circuit T10 is disposed between the eleventh feed source S11 and the eleventh radiator 111.
  • a third matching circuit M3 is disposed between the twelfth ground end 62 and the reference ground.
  • the eleventh antenna assembly ANT-11 and the eighth antenna assembly ANT-8 form a co-aperture antenna.
  • the twelfth antenna assembly ANT-12 is arranged in the area surrounded by the first border 210.
  • the twelfth antenna assembly ANT-12 is an LDS antenna.
  • the twelfth antenna assembly ANT-12 can have a separate feed source, or be co-fed with other antennas.
  • the present application does not make specific limitations on the position of the twelfth antenna assembly ANT-12.
  • the twelfth antenna assembly ANT-12 is located near the second side 212 and the rotating shaft 220.
  • the radiator position of the twelfth antenna assembly ANT-12 can be appropriately adjusted according to the size of the display screen set on the front and back sides of the first frame 210.
  • the radiator position of the twelfth antenna assembly ANT-12 is staggered or at least partially staggered with the position of the display screen in the Z-axis direction.
  • the antenna system 100 further includes a GPS antenna group.
  • the GPS antenna group includes the eighth antenna component ANT-8 and the eleventh antenna component ANT-11.
  • the eighth antenna component ANT-8 supports the GPS-L5 frequency band
  • the tenth antenna component ANT-10 supports the GPS-L1 frequency band.
  • the antenna system 100 further includes a Bluetooth antenna group and a fifth control module 550.
  • the Bluetooth antenna group includes the first antenna component ANT-1 and the eleventh antenna component ANT-11.
  • the fifth control module 550 is used to electrically connect the first antenna component ANT-1 and the eleventh antenna component ANT-11.
  • the fifth control module 550 is used to control at least one of the first antenna component ANT-1 and the eleventh antenna component ANT-11 to transmit a Bluetooth signal according to the signal strength of the first antenna component ANT-1 and the eleventh antenna component ANT-11.
  • the fifth control module 550 selects an antenna with a stronger signal strength from the first antenna component ANT-1 and the eleventh antenna component ANT-11 to transmit a Bluetooth signal.
  • a Bluetooth antenna is provided on an electronic device.
  • the foldable electronic device 1000 provided in the present application is folded, the volume of the foldable electronic device 1000 is reduced and is easily blocked by holding.
  • two Bluetooth antennas are provided at the diagonals of the first frame 210, and the two Bluetooth antennas can be dynamically switched in real time according to the signal strength, so that the Bluetooth antenna can work in different holding postures and in the folded or unfolded state.
  • the first antenna component ANT-1 and the eleventh antenna component ANT-11 can both support Bluetooth band and Wi-Fi 2.4G band.
  • an implementation of the frequency bands supported by the first antenna assembly ANT-1 to the twelfth antenna assembly ANT-12 is as follows.
  • the present application is not limited to the following implementation.
  • the first antenna assembly ANT-1 can support the following frequency bands: LB PRX (main set reception), MHB PRX MIMO (multiple input multiple output), N41PRX (main set reception), WIFI 2.4G CHAIN 1, BT (Bluetooth);
  • the second antenna assembly ANT-2 can support the following frequency bands: LB DRX (diversity reception);
  • the third antenna assembly ANT-3 can support the following frequency bands: B20;
  • the fourth antenna assembly ANT-4 can support the following frequency bands: MHB DRX (diversity reception) (CA), N41 PRX MIMO, N78 DRX MIMO, N79 PRX MIMO;
  • MHB DRX diversity reception
  • the fifth antenna assembly ANT-5 can support the following frequency bands: MHB PRX (main set reception) (CA), N41 DRX (diversity reception);
  • the sixth antenna assembly ANT-6 can support the following frequency bands: MHB DRX MIMO (CA), N41 DRX MIMO;
  • the seventh antenna assembly ANT-7 can support the following frequency bands: N78 PRX (main set reception), N79 PRX (main set reception);
  • the eighth antenna assembly ANT-8 can support the following frequency bands: N78 PRX MIMO, WIFI 5G CHAIN 1, GPS-L5;
  • the ninth antenna assembly ANT-9 can support the following frequency bands: N78/N79 DRX (diversity reception);
  • the tenth antenna assembly ANT-10 can support the following frequency bands: N79 DRX MIMO;
  • the eleventh antenna assembly ANT-11 can support the following frequency bands: WIFI 2.4G CHAIN 0, BT (Bluetooth), GPS-L1;
  • the twelfth antenna assembly ANT-12 can support the following frequency bands: WIFI 5G CHAIN 0;
  • the above antenna layout and switching method can realize the intelligent switching of 2/3/4/5G cellular mobile antennas.
  • 2/3/4G LB TX low frequency transmitting antenna
  • the 2/3/4G MHB TX intermediate frequency transmitting antenna
  • the diagonal layout can ensure that the user does not hold the antenna tightly when using handheld or horizontal screen games, avoiding the problem of no signal.
  • the fourth antenna component ANT-4 is arranged on the second side 212, the specific absorption rate of electromagnetic waves on the head is low, and the OTA performance is excellent.
  • the foldable electronic device 1000 further includes an NFC antenna ANT-13.
  • the NFC antenna ANT-13 is located in the area surrounded by the first frame 210.
  • the radiator of the NFC antenna ANT-13 is connected in series with at least one radiator of the antenna system 100 to form a common radiator.
  • the radiator of the NFC antenna ANT-13 can be connected in series with a radiator segment on the first frame 210, or with multiple radiators.
  • the radiator of the NFC antenna ANT-13 is connected in series with at least one radiator of the first antenna component ANT-1, the second antenna component ANT-2, the third antenna component ANT-3, the fourth antenna component ANT-4, the fifth antenna component ANT-5, the sixth antenna component ANT-6, the seventh antenna component ANT-7, the eighth antenna component ANT-8, the ninth antenna component ANT-9, the tenth antenna component ANT-10, the eleventh antenna component ANT-11, and the twelfth antenna component ANT-12.
  • an inductor element is provided between two adjacent radiators, and the inductor element is in a conducting state for the NFC signal when the NFC antenna ANT-13 is working, and is in a disconnected state for the electromagnetic wave signal when the radiator of the first frame 210 transmits and receives electromagnetic wave signals (such as LB signals, MHB signals, and UHB signals).
  • electromagnetic wave signals such as LB signals, MHB signals, and UHB signals.
  • a capacitor element is provided between the ground terminal and the reference ground of the radiator on the first frame 210.
  • the capacitor element can make the radiator on the first frame 210 suspended relative to the reference ground when the NFC antenna ANT-13 is working, so as to prevent the current of the radiator on the first frame 210 from being transmitted to the reference ground through the ground terminal, and failing to be connected in series with the radiator of the NFC antenna ANT-13, thereby affecting the performance of the radiator on the first frame 210 in receiving and sending NFC signals.
  • the capacitor element can make the ground terminal and the reference ground of the radiator on the first frame 210 conductive when the radiator on the first frame 210 is used to receive and send high-frequency electromagnetic wave signals, thereby ensuring the performance of the radiator on the first frame 210 in receiving and sending target antenna signals.
  • the present application does not specifically limit the radiating segment on the first frame 210 that forms a common radiator with the radiator of the NFC antenna ANT-13, and it can be any one or more of the first antenna component ANT-1 to the twelfth antenna component ANT-12.
  • the radiator of the NFC antenna ANT-13 can be specifically designed according to the specific device stacking on the circuit board.
  • the radiator of the NFC antenna ANT-13 By setting the radiator of the NFC antenna ANT-13 in series with at least the radiator of the antenna system 100, the area where the NFC antenna ANT-13 detects the NFC signal is increased, thereby improving the performance of the NFC antenna ANT-13.
  • At least one radiator on the first frame 210 and the second frame 230 can be used to sense that the subject to be tested (e.g., human body) is close to the foldable electronic device 1000.
  • the fifth antenna assembly ANT-5 is used to sense that the subject to be tested (e.g., human body) is close to the foldable electronic device 1000 as an example.
  • the antenna system 100 further includes at least one isolation capacitor C1, at least one proximity sensor 70 and at least one isolation inductor L1.
  • the isolation capacitor C1 is at least electrically connected between the fifth radiator 15 and the reference ground.
  • the isolation inductor L1 is electrically connected between the fifth radiator 15 and the proximity sensor 70.
  • the proximity sensor 70 is used to detect whether the subject to be tested is close to the foldable electronic device 1000 through the fifth radiator 15.
  • the position where the adjustment circuit (or matching circuit) between the fifth feed S5 and the fifth radiator 15 is connected to the fifth radiator 15 is not provided with a capacitor
  • the position where the fifth feed S5 is electrically connected to the fifth radiator 15 is also provided with an isolation capacitor C1.
  • the capacitor can be used as the isolation capacitor C1, and there is no need to set up an additional isolation capacitor C1.
  • the fifth radiator 15 By setting the fifth radiator 15 to be grounded and fed through the isolation capacitor C1, the fifth radiator 15 is in a suspended state relative to the reference ground and the fifth feed S5, so that the fifth radiator 15 can transmit the induction signal when the subject to be measured approaches, that is, the fifth radiator 15 can be used for capacitance change detection.
  • the isolation inductor L1 is used to transmit sensing signals between the fifth radiator 15 and the proximity sensor 70 , but cannot transmit radio frequency signals.
  • the fifth radiator 15 can be used as a capacitance change detector to effectively sense the surrounding capacitance changes and determine whether the foldable electronic device 1000 is close to the human body, thereby triggering the proximity sensor 70 to achieve adaptive adjustment of the RF power to meet SAR (specific absorption rate) compliance.
  • the fifth radiator 15 can serve as a carrier for transmitting and receiving electromagnetic waves and can also serve as an induction electrode for sensing the electric field approaching the human body, it realizes dual functions.
  • the function of the fifth radiator 15 is increased without increasing the number of radiators, which is conducive to realizing a foldable electronic device 1000 with multiple functions, high integration and small size.
  • the present application does not specifically limit the location and number of radiators that serve as sensing electrodes for sensing the electric field approaching the human body.
  • the radiator of the eleventh antenna component ANT-11 and the radiator of the fifth antenna component ANT-5 can be used as sensing electrodes.
  • both sides of the eleventh radiator 111 are broken, and both sides of the fifth antenna component ANT-5 are broken, which makes it easy to use the eleventh radiator 111 as a suspended radiator and the fourth radiator 14 as a suspended radiator; on the other hand, because the radiator of the eleventh antenna component ANT-11 is located at the corner between the second side 212 and the top edge 215, and the radiator of the eleventh antenna component ANT-11 can detect the approach of the human body on the left side, top side, front side (positive direction of Z axis) and rear side (negative direction of Z axis) of the first frame 210, because the radiator of the fifth antenna component ANT-5 is located at the corner between the first side 211 and the top edge 215, and the radiator of the fifth antenna component ANT-5 can detect the approach of the human body on the right side, top side, front side (positive direction of Z axis) and rear side (negative direction of Z axis) of the first frame 210, in this way, human body approach detection can be realized on multiple sides of the foldable electronic
  • the antenna assembly provided in the present application adopts a 360° surround layout, fully considering the performance of the whole machine and various user usage scenarios, ensuring that in various real usage scenarios, 2/3/4G mobile cellular signals can be dual-channel intelligently switched, and 5G mobile cellular signals use dual power sources (PA) 4 antennas to switch freely and intelligently, so as to ensure that the 2/3/4G antenna and the 5G antenna will not be held to death, so as to ensure the antenna performance.
  • PA power sources
  • the antenna has good performance in various complex user scenarios to meet the user's use and improve the user experience;
  • the antenna gaps on the left and right sides of the foldable electronic device 1000 can be symmetrical about the rotating shaft 220, and when the cover is closed, the gap positions overlap to avoid blocking the first coupling gap 44 of the radiator on the first frame 210, and the position of the second frame 230 without an antenna is used as a part of the antenna at the corresponding position on the first frame 210 when the cover is closed, and the structure and circuit are designed, so that the performance of each antenna of the foldable electronic device 1000 is small and balanced when the cover is closed, and it can still support intelligent switching between the antennas, so as to ensure the performance of the closed antenna and improve the user experience; in addition, the antenna radiators in the main direction are all suspended to achieve all-round SAR detection.
  • the antenna system 100 described in the present application can be applied to the foldable electronic device 1000, and can also be used in a bar-shaped electronic device.
  • the foldable electronic device 1000 further includes a display screen and a housing assembly 200.
  • the display screen is disposed on the front side of the housing assembly 200 (the front side refers to the direction facing the user when the user normally uses the display screen).
  • the portion of the display screen corresponding to the hinge 220 is a bendable flexible display screen.
  • no display screen is disposed at the location corresponding to the hinge 220, but two display screens are disposed in the area enclosed by the first frame 210 and the area enclosed by the second frame 230, respectively.
  • the housing assembly 200 also includes a back cover.
  • the display screen and the back cover are respectively located at the front and rear sides of the first frame 210 and the second frame 230, wherein the first frame 210 and the second frame 230 are connected between the display screen and the back cover, and surround the display screen and the back cover.
  • the display screen, the first frame 210, the second frame 230 and the back cover make the foldable electronic device 1000 form a relatively closed whole device.
  • the back side of the foldable electronic device 1000 may also be provided with a display screen.
  • the first frame 210, the second frame 230 and the back cover can be an integrated structure or a split structure.
  • a plurality of mounting slots for mounting various electronic devices are formed in the first frame 210 and the second frame 230.
  • the display screen, the first frame 210, the second frame 230 and the back cover are covered to form a receiving space inside the housing assembly 200.
  • the foldable electronic device 1000 also includes a circuit board (including a main board, a sub-board, a flexible circuit board, etc.), a battery, a camera module, a microphone, etc., which are arranged in the receiving space.
  • the components such as microphone, receiver, speaker, face recognition module, fingerprint recognition module, etc. that can realize the basic functions of the mobile phone are not described in detail in this embodiment. It can be understood that the above introduction to the foldable electronic device 1000 is only an explanation of an environment in which the antenna system 100 is applied, and the specific structure of the foldable electronic device 1000 should not be understood as a limitation of the antenna system 100 provided in this application.

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Abstract

La présente invention concerne un dispositif électronique pliable. Un premier ensemble antenne est disposé sur un premier cadre, et comprend une première source d'alimentation, un premier segment rayonnant et un second segment rayonnant, un premier intervalle de couplage étant formé entre le premier segment rayonnant et le second segment rayonnant, et le premier ensemble antenne permettant de générer une résonance d'une première bande de fréquence. Une première branche de couplage est disposée sur un second cadre, la première branche de couplage comprenant un premier segment de couplage et un second segment de couplage, et un second intervalle de couplage étant formé entre le premier segment de couplage et le second segment de couplage. Un second ensemble antenne est disposé sur le second cadre, et comprend une seconde source d'alimentation et un second radiateur, le second radiateur étant connecté à la première branche de couplage et mis à la terre au niveau de la connexion, et le second ensemble antenne générant une résonance de la première bande de fréquence. Lorsque le second cadre et le premier cadre sont repliés l'un sur l'autre, le second radiateur ne chevauche pas le premier radiateur, le second intervalle de couplage chevauche le premier intervalle de couplage, le premier segment de couplage est couplé au premier segment rayonnant, et le second segment de couplage est couplé au second segment rayonnant, de façon à améliorer les performances de communication.
PCT/CN2023/124027 2022-10-11 2023-10-11 Dispositif électronique pliable WO2024078533A1 (fr)

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CN115579618A (zh) * 2022-10-11 2023-01-06 Oppo广东移动通信有限公司 可折叠电子设备

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