Antenna apparatus and electronic device

Abstract

Embodiments of the present application relate to the technical field of communications, and provide an antenna apparatus and an electronic device, for use in mitigating the problems of satellite pointing angle deviation and satellite pointing failure. In the antenna apparatus, a satellite communication chip is coupled to a first radiator to form a satellite antenna. A first radio frequency communication chip is coupled to a second radiator. A first tuning circuit is coupled between the second radiator and the ground. A first impedance matching network is coupled between the second radiator and the first radio frequency communication chip. When the second radiator is in a working state, resonance generated by the first tuning circuit, the first impedance matching network, and the second radiator covers a first working frequency band. When the first radiator is in a working state, the second radiator and the first radiator are coupled and jointly serve as at least a part of the satellite antenna, and the first tuning circuit, the first impedance matching network, and the second radiator adjust an antenna pattern of the satellite antenna, so as to improve the quality of signals radiated by the satellite antenna, and the satellite pointing efficiency and accuracy.

Description

An antenna device and electronic device

[0001] The present application claims priority to the Chinese Patent Application No. 202411271080.4, filed on September 10, 2024, entitled "An Antenna Structure and Terminal Device", and the Chinese Patent Application No. 202411550547.9, filed on October 31, 2024, entitled "An Antenna Device and Electronic Device", both of which are incorporated herein by reference in their entirety. TECHNICAL FIELD

[0002] The present application relates to the field of communication technology, and in particular to an antenna device and electronic device. BACKGROUND

[0003] With the continuous development of communication technology, satellite call function and satellite positioning function are gradually integrated in electronic devices. The satellite call function can provide communication services for users when the users are in an area not covered by a cellular network. However, the performance of the satellite antenna and the quality of the satellite call depend on the satellite pointing effect of the electronic device. Currently, when users use satellite calls, problems such as satellite pointing angle deviation and satellite pointing failure occur, which leads to a decline in call function terminal and call quality, thereby reducing the user experience. SUMMARY

[0004] The present application provides an antenna device and electronic device to improve the problems of satellite pointing angle deviation and satellite pointing failure.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] In one aspect of the present application, an antenna device is provided. The antenna device includes a first radiator, a satellite communication chip, a second radiator, a first radio frequency communication chip, a first tuning circuit, a ground plane, and a first impedance matching network. The satellite communication chip is coupled with the first radiator to form a satellite antenna, and the satellite communication chip is configured to energize the first radiator to be in an active state to transmit and / or receive radio frequency signals in a satellite operating frequency band. The first radio frequency communication chip is coupled with the second radiator, and the first radio frequency communication chip is configured to energize the second radiator to be in an active state to transmit and / or receive radio frequency signals in a first operating frequency band. In addition, the first tuning circuit is coupled between the second radiator and the ground plane. The first impedance matching network is coupled between the second radiator and the first radio frequency communication chip. In the active state of the second radiator, the first tuning circuit, the first impedance matching network, and a resonance generated by the second radiator are configured to cover the first operating frequency band. Alternatively, in the active state of the first radiator, the second radiator is coupled with the first radiator to share at least a portion of the satellite antenna, and the first tuning circuit, the first impedance matching network, and the second radiator are configured to adjust an antenna pattern of the satellite antenna.

[0007] As can be seen from the above, the second radiator can be in a working state under the excitation of the first radio frequency communication chip to radiate radio frequency signals of the first working frequency band, so that the user can communicate by using the first antenna. Moreover, the first tuning circuit, the first impedance matching network and the resonance generated by the second radiator cover the first working frequency band, so as to improve the communication quality of the first antenna. In addition, when the first radiator is in a working state, the second radiator and the first radiator share at least part of the satellite antenna. At this time, the radiators in the satellite antenna that can emit and / or receive radio frequency signals of the first working frequency band not only include the first radiator, but also can include the second radiator, so as to increase the number of radiators of the satellite antenna and improve the quality of the satellite antenna radiation signals. In this way, the user can more easily improve the efficiency and accuracy of the satellite when communicating with the satellite, so as to improve the problem of satellite angle deviation and satellite failure. In addition, the first tuning circuit, the first impedance matching network and the second radiator are used to adjust the antenna pattern of the satellite antenna. During the emission and / or reception of radio frequency signals of the satellite working frequency band by the first radiator, the second radiator coupled with the first radiator is excited, so that the antenna pattern of the second radiator is deviated to the right side, so as to supplement (or adjust) the antenna pattern of the entire satellite antenna, thereby reducing the probability of the antenna pattern of the entire satellite antenna deviating to one side and achieving the effect of wide beam. On this basis, the second radiator can reflect the electromagnetic waves radiated by the first radiator to enhance the intensity of the electromagnetic waves radiated by the first radiator through the effect of current suppression, so as to adjust the antenna pattern of the satellite antenna and achieve the purpose of wide beam. In summary, under the coupling effect of the first radiator and the second radiator, the antenna pattern of the satellite antenna can have the characteristics of wide beam, so as to effectively reduce the problems of satellite angle deviation and satellite failure caused by the narrow beam and deviation of the antenna pattern of the satellite antenna to one side, thereby more favorably improving the corresponding efficiency and accuracy.

[0008] In an alternative embodiment, the antenna device further comprises a first RF switch. The first RF switch is coupled between the first impedance matching network and the first RF communication chip. In both the active state and the inactive state of the second radiator, the first RF switch is configured to connect the first impedance matching network to the first RF communication chip, so that the first RF communication chip is coupled to the second radiator. The resonance generated by the first tuning circuit, the first impedance matching network and the second radiator can cover the first operating frequency band, or at least a portion of the satellite operating frequency band, so that there is no need to add an antenna state in the first tuning circuit and the switch to switch to the satellite operating frequency band. Similarly, there is no need to add a new tuning circuit (including a switch and tuning components) for switching the frequency of the second radiator to the satellite operating frequency band, so that the structure of the antenna device can be simplified. In addition, the first tuning circuit is connected in parallel to the first RF communication chip, so that only a first RF switch is needed in series between the first RF communication chip as a feed source and the second radiator, so that the insertion loss can be effectively reduced. Moreover, when the resonance generated by the first tuning circuit, the first impedance matching network and the second radiator covers at least a portion of the satellite operating frequency band, the second radiator can emit and / or receive radio frequency signals of the satellite operating frequency band without occupying the antenna state of the first RF switch, and the possibility of adding a tuning circuit can be reduced.

[0009] In an alternative embodiment, the antenna device further comprises a second impedance matching network and a first RF switch. The first RF switch is coupled between the first impedance matching network and the first RF communication chip, and the first RF switch is also coupled between the first impedance matching network and the second impedance matching network. In the active state of the second radiator, the first RF switch is configured to connect the first impedance matching network to the first RF communication chip, so that the first RF communication chip is coupled to the second radiator. In the active state of the first radiator, the first RF switch is configured to connect the first impedance matching network to the second impedance matching network, and the second radiator is in the inactive state. In this way, when the first RF switch connects the first impedance matching network to the second impedance matching network and the first radiator is in the active state, the second radiator is coupled to the first radiator to share at least a portion of the satellite antenna. At this time, the second impedance matching network can absorb energy from the satellite antenna to reduce the transmission of the energy to the first RF communication chip, thereby reducing the probability of damage to the RF communication chip.

[0010] In an alternative embodiment, the antenna device comprises a first RF communication chip and a second RF communication chip. When the first radiator is in operation and the second radiator needs to be coupled with the first radiator to share at least a part of the satellite antenna, the first RF switch can connect the first impedance matching network with the second impedance matching network. In this way, the second impedance matching network can reduce the energy from the satellite antenna, resulting in a lower probability of damage to the first RF communication chip and the second RF communication chip. Moreover, when the first operating frequency band (or the second operating frequency band) covers the center frequency of the satellite operating frequency band, the second impedance matching network can more effectively protect the first RF communication chip (or the second RF communication chip).

[0011] In an alternative embodiment, when the first RF communication chip is coupled with the second radiator to form a first antenna, the isolation between the first antenna and the satellite antenna meets the preset requirement, or when the second RF communication chip is coupled with the second radiator to form a second antenna, the isolation between the second antenna and the satellite antenna meets the preset requirement, the first RF switch can not need to be coupled with the second impedance matching network.

[0012] In an alternative embodiment, the resistance of the second impedance matching network is 45Ω-55Ω. For example, when the first operating frequency band is the B1 frequency band (around 2000 / MHz) in the cellular communication frequency band, and the resistance of the second impedance matching network is 45Ω-55Ω, the desired impedance matching effect can be achieved, so that the impedance matching effect of the second impedance matching network can be equivalent to the impedance matching effect on the path where the first RF communication chip is located. In this case, the first RF switch couples the second impedance matching network with the second radiator, and the second radiator can be equivalent to a passive antenna.

[0013] In an alternative embodiment, the antenna device further comprises a second radio frequency communication chip, and the first radio frequency switch is further coupled between the second radiator and the second radio frequency communication chip. The second radio frequency communication chip is configured to excite the second radiator to be in an active state to transmit and / or receive radio frequency signals in a second frequency band. In the active state of the second radiator, the first radio frequency switch is configured to connect the second radiator to the second radio frequency communication chip, so that the second radio frequency communication chip is coupled to the second radiator. For example, the second radio frequency communication chip and the second radiator form a second antenna, and the second antenna can be a cellular antenna. Alternatively, the second antenna can be a non-cellular antenna. Alternatively, the second antenna can be a Bluetooth antenna, etc. In addition, the second radiator is coupled to the first radio frequency communication chip, and the second radiator is an active antenna. Furthermore, the first radio frequency communication chip can be coupled to the second radiator to form a first antenna. The second radiator can be coupled to the first radio frequency communication chip or the second radio frequency communication chip through the first radio frequency switch, so that the second radiator can be multiplexed as a radiator of the first antenna and the second antenna, realizing multiplexing of antenna branches, thereby meeting the demand of integrating multiple antennas in an electronic device. In addition, even if the first radio frequency switch is coupled to at least two radio frequency communication chips, such as the first radio frequency communication chip and the second radio frequency communication chip, since the first radio frequency communication chip or the second radio frequency communication chip has only one switch, i.e., the first radio frequency switch, in the path coupled to the second radiator, the problem of large insertion loss caused by multiple switches in series in the path can be avoided.

[0014] In an alternative embodiment, the second radiator comprises a first branch, the first branch is in a strip shape, and the first branch has a first electrical connection end. The first radio frequency communication chip and the first tuning circuit are coupled to the first electrical connection end, so that the first tuning circuit is connected in parallel to the first radio frequency communication chip.

[0015] In an alternative embodiment, the second radiator further comprises a second branch, and the second branch is arranged apart from the first branch. The second branch, the first branch, and the first radiator can be coupled to form the satellite antenna. By increasing the number of branches, the electrical length and the physical length of the radiator of the satellite antenna can be adjusted.

[0016] In an alternative embodiment, the antenna device further comprises a first capacitor, and two ends of the first capacitor are coupled to the first branch and the second branch, respectively. The second branch and the first branch can be coupled through the first capacitor, and coupled to the first radiator to form the satellite antenna. The second branch and the first branch can adjust the radiation pattern of the first radiator through radiation and current suppression, so as to reduce the probability of the antenna radiation pattern of the entire satellite antenna being biased to one side, and realize a wide beam effect.

[0017] In an alternative embodiment, the first tuning circuit, the first impedance matching network and the resonance generated by the second radiator are configured to cover a range of ±150MHz around the center frequency of the satellite operating frequency band, so that the second radiator is co-frequency with the first radiator, in the case that the second radiator and the first radiator share at least part of the satellite antenna.

[0018] In another aspect of the present application, an electronic device is provided, which comprises at least one metal frame and any one of the antenna devices as described above. A part of the at least one metal frame is shared by the first radiator and the second radiator in the antenna device. The electronic device has the same technical effects as the antenna devices provided in the foregoing embodiments, which will not be repeated here. Moreover, by sharing the metal frame with the first radiator and the second radiator in the antenna device, the structure of the electronic device can be simplified.

[0019] In an alternative embodiment, the metal frame comprises a top frame, a first side frame, a bottom frame and a second side frame connected in sequence. A part of the top frame is shared by the first radiator. A part of the first side frame or a part of the second side frame is shared by the second radiator. In this way, the first radiator mainly used for transmitting and / or receiving the satellite operating frequency band is located at the top of the electronic device, and the energy of the electromagnetic waves radiated by the first radiator can be mainly concentrated on the side where the top frame is located, i.e. the side of the electronic device facing the sky, thereby facilitating the operation of the electronic device towards the satellite, so that the user can use the satellite function in a larger angular range, and the degree of freedom of the satellite function is improved. Moreover, by distributing the first radiator and the second radiator in different frames and adjusting the electrical length and physical length of the first radiator and the second radiator as needed, the isolation of the first radiator and the second radiator can meet the preset requirements, for example, less than or equal to -10dB.

[0020] In an alternative embodiment, the metal frame comprises a top frame, a first side frame, a bottom frame and a second side frame connected in sequence. The antenna device comprises two second radiators. A part of the first side frame is shared by one of the two second radiators, and a part of the second side frame is shared by the other of the two second radiators. In this way, the two second radiators can be coupled with the first radiator to radiate radio frequency signals in the satellite operating frequency band. The two second radiators located on both sides of the first radiator can complement the antenna pattern of the first radiator, so that the antenna pattern of the entire satellite antenna can be formed by superimposing the antenna pattern of the first radiator and the antenna pattern of the two second radiators, achieving the purpose of adjusting the antenna pattern of the satellite antenna, and further reducing the probability of the antenna pattern of the entire satellite antenna being biased to one side, achieving the effect of wide beam. Similarly, by distributing the first radiator and the second radiator in different frames and adjusting the electrical length and physical length of the first radiator and the second radiator as needed, the isolation of the first radiator and the second radiator can be pre-set to a requirement, for example, less than or equal to -10 dB.

[0021] In an alternative embodiment, the antenna device comprises a first radio frequency communication chip, and the first radio frequency communication chip is coupled with the two second radiators. The feeding mode of the two second radiators can be referred to as distributed feeding. Alternatively, the antenna device comprises two first radio frequency communication chips. One of the two first radio frequency communication chips is coupled with the second radiator shared by the first side frame to form a first sub-antenna, and the other of the two first radio frequency communication chips is coupled with the second radiator shared by the second side frame to form a second sub-antenna. The feeding mode of the two second radiators can be referred to as single feeding mode. The working principle and technical effects of the first sub-antenna and the second sub-antenna are the same as those of the first antenna, and will not be repeated here.

[0022] In an alternative embodiment, the metal frame comprises a top frame, a first side frame, a bottom frame and a second side frame connected in sequence. The first part of the top frame is shared as the first radiator. The second part of the top frame and the part of the first side frame facing the top frame are shared as the second radiator. The part of the second radiator shared with the top frame is grounded, and the part of the second radiator shared with the first side frame is coupled with the first RF communication chip. The second radiator can be a branch stub, the part of the second radiator shared with the top frame is grounded, and the part of the second radiator shared with the first side frame is coupled with the first RF communication chip. In the case that the second radiator is coupled with the first impedance matching network, the second impedance matching network, the first RF switch and the first tuning circuit in the manner described above, by setting the first radiator 311 on the top frame, grounding the part of the second radiator shared with the top frame, and adjusting the electrical length and physical length of the first radiator and the second radiator as needed, the isolation of the first radiator and the second radiator can meet the preset requirements, for example, less than or equal to -10 dB.

[0023] In an alternative embodiment, the electronic device further comprises a first rotating shaft. The electronic device comprises two metal frames, namely a first metal frame and a second metal frame. The first metal frame and the second metal frame are respectively rotatably connected with the first rotating shaft. A part of the first metal frame is shared as the first radiator, and a part of the second metal frame is shared as the second radiator. The first radiator and the second radiator are located at the same end of the first rotating shaft. Similarly, this can make the energy radiated by the first radiator and the second radiator concentrated at the top of the first metal frame, i.e., the energy is concentrated on the side of the electronic device facing the sky, thereby facilitating the implementation of the star operation of the electronic device. In addition, compared with the scheme of arranging the first radiator and the second radiator on the same metal frame, by arranging the first radiator and the second radiator on different metal frames (e.g., the first metal frame and the second metal frame described above), the first metal frame and the second metal frame can provide a larger size to serve as the first radiator and the second radiator respectively, thereby being able to increase the physical length of the first radiator and the second radiator, and further achieving the purpose of improving the antenna aperture and gain. Moreover, by arranging the first radiator and the second radiator on different metal frames, the first radiator and the second radiator are separated by the first rotating shaft, and the electrical length and physical length of the first radiator and the second radiator are adjusted as needed, the isolation of the first radiator and the second radiator can meet the preset requirements, for example, less than or equal to -10 dB.

[0024] In an alternative embodiment, the electronic device further comprises a first rotation shaft and a second rotation shaft. The electronic device comprises three metal frames, namely a first metal frame, a second metal frame and a third metal frame. The first metal frame and the second metal frame are respectively rotatably connected to the first rotation shaft; the second metal frame and the third metal frame are respectively rotatably connected to the second rotation shaft. A part of the first metal frame is shared as a first radiator. A part of the second metal frame or a part of the third metal frame is shared as a second radiator, and the first radiator and the second radiator are located at the same end of the first rotation shaft. The technical effects of the first radiator and the second radiator being located on different metal frames are as described above, and will not be repeated here.

[0025] In an alternative embodiment, a part of the second metal frame is shared as a second radiator. The second radiator comprises a first branch and a second branch, and the second branch is arranged in a spaced manner with the first branch. The first branch is located on a side of the second branch away from the first rotation shaft, or the first branch is located on a side of the second branch facing the first rotation shaft. In a two-fold machine, the technical effects of the first branch and the second branch are as described above, and will not be repeated here.

[0026] In an alternative embodiment, a part of the third metal frame is shared as a second radiator. The second radiator comprises a first branch and a second branch, and the second branch is arranged in a spaced manner with the first branch. The first branch is located on a side of the second branch away from the second rotation shaft, or the first branch is located on a side of the second branch facing the second rotation shaft. In a three-fold machine, the technical effects of the first branch and the second branch are as described above, and will not be repeated here.

[0027] In an alternative embodiment, the electronic device further comprises a first rotation shaft and a second rotation shaft. The electronic device comprises three metal frames, namely a first metal frame, a second metal frame and a third metal frame. The first metal frame and the second metal frame are respectively rotatably connected to the first rotation shaft; the first metal frame and the third metal frame are respectively rotatably connected to the second rotation shaft. A part of the first metal frame is shared as a first radiator. The antenna device comprises two second radiators, a part of the second metal frame is shared as one of the two second radiators, and a part of the third metal frame is shared as the other of the two second radiators. The first radiator and the two second radiators are located at the same end of the first rotation shaft. The technical effects of the first radiator and the second radiator being located on different metal frames are as described above, and will not be repeated here.

[0028] In an optional implementation, the isolation between the first radiator and the second radiator is less than or equal to -10 dB, and when one of the first radiator and the second radiator is a transmitting antenna and the other is a receiving antenna, the crosstalk between the first radiator and the second radiator can be reduced when the first radiator is in operation and the second radiator is coupled with the first radio frequency communication chip. In order to achieve the isolation between the first radiator and the second radiator less than or equal to -10 dB, the first radiator and the second radiator can be distributed in different frames as described above, or the first radiator and the second radiator are separated by at least one rotation shaft. In addition, in the case that the coupling mode of the second radiator 321 with the first impedance matching network, the second impedance matching network, the first radio frequency switch and the first tuning circuit is as described above, the electrical length and the physical length of the first radiator and the second radiator can also be adjusted as needed. BRIEF DESCRIPTION OF DRAWINGS

[0029] FIG. 1 is a structural schematic diagram of an electronic device according to an embodiment of the present application;

[0030] FIG. 2 is a structural schematic diagram of another electronic device according to an embodiment of the present application;

[0031] FIG. 3 is a structural schematic diagram of an antenna device according to an embodiment of the present application;

[0032] FIG. 4 is an interface display diagram of an electronic device according to an embodiment of the present application;

[0033] FIG. 5 is a structural schematic diagram of another antenna device according to an embodiment of the present application;

[0034] FIG. 6 is a structural schematic diagram of another antenna device according to an embodiment of the present application;

[0035] FIG. 7 is a structural schematic diagram of another antenna device according to an embodiment of the present application;

[0036] FIG. 8 is a structural schematic diagram of an antenna device according to the related art;

[0037] FIG. 9 is a structural schematic diagram of an antenna device according to the related art;

[0038] FIG. 10A is a structural schematic diagram of another antenna device according to an embodiment of the present application;

[0039] FIG. 10B is a structural schematic diagram of another antenna device according to an embodiment of the present application;

[0040] FIG. 11 is a structural schematic diagram of another electronic device according to an embodiment of the present application;

[0041] FIG. 12 is a structural schematic diagram of another electronic device according to an embodiment of the present application;

[0042] Fig. 13 is a structural schematic diagram of still another electronic device provided by an embodiment of the present application;

[0043] Fig. 14 is a structural schematic diagram of still another electronic device provided by an embodiment of the present application;

[0044] Fig. 15 is a structural schematic diagram of still another electronic device provided by an embodiment of the present application;

[0045] Fig. 16 is a structural schematic diagram of still another electronic device provided by an embodiment of the present application;

[0046] Fig. 17 is an antenna directional diagram of the first radiator shown in Fig. 16;

[0047] Fig. 18 is an expanded diagram of the antenna directional diagram shown in Fig. 17;

[0048] Fig. 19 is an antenna directional diagram of the satellite antenna shown in Fig. 16;

[0049] Fig. 20 is an expanded diagram of the antenna directional diagram shown in Fig. 19;

[0050] Fig. 21 is an S curve diagram of the satellite antenna shown in Fig. 16;

[0051] Fig. 22 is an antenna efficiency curve diagram of the satellite antenna shown in Fig. 16;

[0052] Fig. 23 is a structural schematic diagram of still another electronic device provided by an embodiment of the present application;

[0053] Fig. 24 is an S curve diagram of the satellite antenna shown in Fig. 23;

[0054] Fig. 25 is an antenna efficiency curve diagram of the satellite antenna shown in Fig. 23;

[0055] Fig. 26 is a structural schematic diagram of still another electronic device provided by an embodiment of the present application;

[0056] Fig. 27 is an S curve diagram of the satellite antenna shown in Fig. 26;

[0057] Fig. 28 is an antenna efficiency curve diagram of the satellite antenna shown in Fig. 26;

[0058] Fig. 29 is a structural schematic diagram of still another electronic device provided by an embodiment of the present application;

[0059] Fig. 30 is an S curve diagram of the satellite antenna shown in Fig. 29;

[0060] Fig. 31 is an antenna efficiency curve diagram of the satellite antenna shown in Fig. 29;

[0061] Fig. 32 is a structural schematic diagram of still another electronic device provided by an embodiment of the present application;

[0062] FIG. 33 is an S curve diagram of the satellite antenna shown in FIG. 32;

[0063] FIG. 34 is an antenna efficiency curve diagram of the satellite antenna shown in FIG. 32;

[0064] FIG. 35 is a structural schematic diagram of still another electronic device provided by the embodiments of the present application;

[0065] FIG. 36 is a structural schematic diagram of still another electronic device provided by the embodiments of the present application;

[0066] FIG. 37 is a structural schematic diagram of still another electronic device provided by the embodiments of the present application;

[0067] FIG. 38 is a structural schematic diagram of still another electronic device provided by the embodiments of the present application.

[0068] Figures: 01-electronic device; 10-housing; 20-display screen; 50-metal frame; 10a-first housing; 10b-second housing; 51-first metal frame; 52-second metal frame; 61-first rotating shaft; 30-antenna device; 31-satellite antenna; 32-first antenna; 301-first tuning circuit; 311-first radiator; 321-second radiator; 312-satellite communication chip; 322-first radio frequency communication chip; 41-text prompt box; 40-button; 3210-first electrical connection end; 302-first impedance matching network; 303-second impedance matching network; 305-second tuning circuit; RFS1-first radio frequency switch; 323-second radio frequency communication chip; 33-second antenna; 100-parasitic branch; 200-satellite branch; 110-feed; 500-top frame; 501-first side frame; 502-second side frame; 503-bottom frame; 400-camera; 3001-first sub-antenna; 3002-second sub-antenna; 601-first slot; 62-second rotating shaft; 331-first branch; 332-second branch. DETAILED DESCRIPTION

[0069] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of the embodiments.

[0070] Hereinafter, the terms "first", "second", and the like are only used for description convenience, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second", and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "multiple" is two or more.

[0071] In addition, in the embodiments of the present application, the directional terms such as "upper", "lower", "left", "right", "horizontal" and "vertical" can include but are not limited to the directions defined relative to the positions of the components shown in the drawings. It should be understood that these directional terms can be relative concepts, which are used for relative description and clarification, and can change accordingly according to the change of the positions of the components shown in the drawings.

[0072] The symmetry (for example, axial symmetry, or central symmetry, etc.), parallel, vertical, orthogonal, identical (for example, the same length, the same width, etc.) and the like mentioned in the embodiments of the present application are all relative to the current process level, and not the absolute definition in the mathematical sense. There can be a predetermined angle deviation between two components that are parallel or vertical to each other. In an embodiment, the predetermined angle can be an angle within ±10°, for example, the predetermined angle deviation is ±5°.

[0073] In the present application, unless otherwise explicitly specified and limited, the term "connection" should be understood broadly, for example, the "connection" can be a fixed mechanical connection, or a detachable mechanical connection, or integrated; or the "connection" can be direct connection, or indirect connection through an intermediate medium.

[0074] It should be noted that in the drawings of the embodiments of the present application, the components are represented by arrows; and the components are represented only by arrows.

[0075] The electronic device provided in the embodiments of the present application can be applied to various communication systems or communication protocols, for example, global system of mobile communication (GSM), code division multiple access (CDMA) system, wideband code division multiple access wireless (WCDMA), general packet radio service (GPRS), long term evolution (LTE), etc. The electronic device can have a display function, and can include a mobile phone, a pad, a television, a smart wearable product (for example, a smart watch, a smart bracelet), a virtual reality (VR) electronic device, an augmented reality (AR) electronic device, a positioning device, etc. The embodiments of the present application do not specially limit the specific form of the electronic device.

[0076] In some embodiments of the present application, the electronic device described above can have a display function. For example, the electronic device 01 can be a straight phone as shown in FIG. 1, which can include a housing 10 and a display screen 20 connected to the housing 10. For example, the display screen 20 described above can be a self-luminous display screen, such as an organic light emitting diode (OLED) display screen, a micro or mini light-emitting diode (LED) display screen, or a quantum dot light emitting diode (QLED) display screen, etc. Alternatively, the display screen 20 can also be a liquid crystal display (LCD) that needs a backlight source.

[0077] For the convenience of description, XYZ coordinate axes are established in the drawings below, wherein the XY surface formed by the X direction and the Y direction can be parallel to the display surface (the surface for displaying images) of the display screen 20. The Z direction can be perpendicular to the display surface of the display screen 20, i.e., the Z direction can be the stacking direction of the housing 10 and the display screen 20. In some embodiments of the present application, the housing 10 can include a metal frame 50 arranged around the display screen 20 and a bottom plate (not shown in FIG. 1) located at the back of the display screen 20.

[0078] Alternatively, in some other embodiments of the present application, the electronic device 01 can be a folding phone as shown in FIG. 2. In this case, the electronic device 01 can include a display screen 20, a first rotating shaft 61, and two housings located on both sides of the rotating shaft, i.e., a first housing 10a and a second housing 10b. The type of the display screen 20 is as described above, which will not be repeated here. The display screen 20 can be connected to the first housing 10a and the second housing 10b. The first housing 10a and the second housing 10b can be rotatably connected through the first rotating shaft 61 to support and fold the display screen 20, thereby realizing the unfolding and folding of the electronic device 01. In some embodiments of the present application, the first housing 10a can include a first metal frame 51 arranged around a part of the periphery of the display screen 20, and the second housing 10b can include a second metal frame 52 arranged around another part of the periphery of the display screen 20.

[0079] In the folding phone, the X direction can be the direction in which the first housing 10a points to the second housing 10b, or the direction in which the second housing 10b points to the first housing 10a. The Y direction can be parallel to the rotating axis of the first housing 10a and the second housing 10b.

[0080] The above is an example of an electronic device 01 as a folding machine, which includes two housings. In this case, the electronic device 01 can be referred to as a two-fold folding machine. The number of housings in the electronic device 01 is not limited in the present application, and the electronic device 01 can be a three-fold or more folding machine. For the sake of convenience, the electronic device 01 is taken as an example of the above-mentioned two-fold folding machine when the electronic device 01 is a folding machine.

[0081] In addition, the above is an example of an electronic device with display function. In some other embodiments of the present application, the above-mentioned electronic device can not have display function, which is not limited in the present application. For the sake of convenience, the electronic device with display function is taken as an example for the sake of convenience.

[0082] On this basis, in order to enable the above-mentioned electronic device 01 to have communication function, the electronic device 01 can include an antenna device 30 as shown in FIG. 3. The antenna device 30 can include a first radiator 311, a satellite communication chip 312, a second radiator 321 and a first radio frequency communication chip 322. Among them, the satellite communication chip 312 can be coupled with the first radiator 311 to form a satellite antenna 31. The first radio frequency communication chip 322 can be coupled with the second radiator 321 to form a first antenna 32.

[0083] In the present application, any one of the above-mentioned satellite antenna 31 and first antenna 32 can be used for receiving (receive, Rx) or transmitting (transmit, Tx) electromagnetic wave radiation device. In some cases, the "antenna" is understood in a narrow sense as a radiator, which converts the guided wave energy from the output end of the communication chip into radio waves, or converts the radio waves from the output end of the communication chip into guided wave energy, to realize the radiation and reception of radio waves. The modulated high-frequency current energy (or guided wave energy) output by the communication chip output end is transmitted to the radiator through the feeder, which is converted into certain polarized electromagnetic wave energy by the radiator and radiated in the desired direction. The radiator converts the certain polarized electromagnetic wave energy from a certain direction in space into modulated high-frequency current energy, which is delivered to the receiving end of the communication chip through the feeder.

[0084] In addition, any one of the first radiator 311 and the second radiator 321 can include at least one branch made of a metal material. The branch can have a strip shape or an L shape, and the like. The present application does not limit the shape of the branch. The first radiator 311 and the second radiator 321 are arranged at intervals, and the first radiator 311 and the second radiator 321 can be provided with at least one branch. The branch can be coupled to the communication chip, so that the communication chip can feed the branch as a feed source, so that the branch can act as an active antenna. Alternatively, the branch does not need to be coupled to the communication chip to act as a passive antenna. Alternatively, the first radiator 311 and the second radiator 321 can also not be provided with the branch.

[0085] Continuing as shown in FIG. 3, any one of the satellite communication chip 312 and the first radio frequency communication chip 322 can include a baseband chip, or in addition to the baseband chip, the communication chip can also include a part of a radio frequency (RF) chip. The baseband chip can process digital signals, i.e., low-frequency parts of signals. For example, the baseband chip can include a digital signal processor (DSP), a modem, a codec, and the like. The baseband can implement functions such as processing of digital signals, modulation and demodulation, channel coding and decoding, and the like. In addition, the radio frequency chip can process radio frequency signals, i.e., high-frequency parts of signals. The radio frequency chip can include a radio frequency amplifier, a mixer, a filter, a frequency synthesizer, and the like. The radio frequency chip is used to generate, amplify, modulate, and demodulate radio frequency signals. The baseband chip and the radio frequency chip can be provided with a digital-to-analog converter for converting digital signals and analog signals.

[0086] In the present application, the term "coupling" refers to the phenomenon that two or more components are closely matched and interact with each other, and transmit energy from one side to the other side through interaction. For example, in the satellite antenna 31, the satellite communication chip 312 and the first radiator 311 can be coupled, which means that the satellite communication chip 312 can be used to excite the first radiator 311 to be in an operating state, so that the first radiator 311 in the operating state can emit and / or receive radio frequency signals of the satellite operating frequency band F0. In addition, the radio frequency signals of the satellite operating frequency band F0 received by the first radiator 311 can also be transmitted to the satellite communication chip 312 for signal processing.

[0087] The resonance frequency (or the resonant frequency) of the radio frequency signal emitted and / or received by the radiator has a frequency range, which is the working frequency band of the radio frequency signal. The frequency corresponding to the strongest resonance point in the above frequency range can be referred to as the center frequency of the working frequency band. In addition, unless otherwise specified and limited, the term "coupling (or coupled connection, or coupled)" should be understood broadly, for example, "coupling" can be a direct electrical connection, for example, physical contact and electrical conduction between two components, or can be understood as electrical connection between different components in a circuit structure through a transmission line such as a copper foil or a wire on a printed circuit board (PCB) to transmit electrical signals; or "coupling" can be an indirect electrical connection between two components through an intermediate medium; or "coupling" can be an electrical connection between two components in a non-contact / empty space manner, for example, an electrical connection between two components in a capacitive coupling manner to transmit electrical signals.

[0088] For example, the satellite antenna 31 can be a high-orbit satellite communication antenna, for example, the orbit height can be about 35786 kilometers. At this time, in the case that the satellite antenna 31 is used for voice communication, radiation of short messages (or short messages) or transmission of low-speed data, the satellite working frequency band F0 can include an uplink frequency band (for example, 1980 / MHz-2010 / MHz) and a downlink frequency band (for example, 2170 / MHz-2200 / MHz). Alternatively, for example, in the case that the satellite antenna 31 is the above high-orbit satellite communication antenna, the satellite antenna 31 can also be used only for radiation of short messages. In this case, the satellite working frequency band F0 can include an uplink frequency band (for example, 1610 / MHz-1626 / MHz) and a downlink frequency band (for example, 2483 / MHz-2500 / MHz).

[0089] Alternatively, for example, the satellite antenna 31 can also be a low-orbit satellite communication antenna, and the orbit height can be between 500-2000 kilometers, for example, 1175 kilometers. At this time, in the case that the satellite antenna 31 is used for voice communication, radiation of short messages or transmission of low-speed data, the satellite working frequency band F0 can include an uplink frequency band (for example, 1668 / MHz-1675 / MHz) and a downlink frequency band (for example, 1518 / MHz-1525 / MHz). The type of satellite antenna 31 is not limited in the present application, and the following is exemplarily described by taking the satellite antenna 31 as the above high-orbit satellite communication antenna, and the satellite working frequency band F0 can include an uplink frequency band (for example, 1980 / MHz-2010 / MHz) and a downlink frequency band (for example, 2170 / MHz-2200 / MHz).

[0090] Similarly, in the first antenna 32, the first radio frequency communication chip 322 is coupled with the second radiator 321, which means that the first radio frequency communication chip 322 can be used to excite the second radiator 321 to be in a working state, so that the second radiator 321 in the working state can emit and / or receive radio frequency signals of the first working frequency band F1. In addition, the radio frequency signals of the first working frequency band F1 received by the second radiator 321 can also be transmitted to the first radio frequency communication chip 322 for signal processing.

[0091] In some embodiments, the first antenna 32 can be a cellular antenna, and the first working frequency band F1 can be a cellular communication frequency band. The cellular communication frequency band can include a middle high band (MHB), for example, 1800 / MHz-2700 / MHz, and a 5G new radio (NR) frequency band.

[0092] Alternatively, in other embodiments, the first antenna 32 can be a non-cellular (NC) antenna. For example, the first antenna 32 can be a wireless fidelity (WIFI) antenna, and the first working frequency band F1 can be a WIFI communication frequency band, for example, a WIFI 2.4G frequency band (2400 / MHz-2483.5 / MHz) or a WIFI 5G frequency band (5150 / MHz-5825 / MHz).

[0093] Alternatively, for another example, the first antenna 32 can be a Bluetooth antenna, and the first working frequency band F1 can be 2400 / MHz-2483.5 / MHz. Alternatively, for another example, the first antenna 32 can be a global positioning system (GPS) antenna or a Beidou satellite antenna, and the first working frequency band F1 can be a communication frequency band of the GPS antenna or the Beidou antenna. Alternatively, in other embodiments, the first antenna 32 can be the high-orbit satellite communication antenna or the low-orbit satellite communication antenna. The present application does not limit the type of the first antenna 32. For the convenience of description, the first antenna 32 is taken as a cellular antenna, and the first working frequency band F1 is taken as a cellular communication frequency band for example.

[0094] On this basis, as shown in FIG. 3, the antenna device 30 further comprises a ground plate 300, a first tuning circuit 301, and a first impedance matching network 302. The first tuning circuit 301 is coupled between the second radiator 321 and the ground plate 300. The first impedance matching network 302 is coupled between the second radiator 321 and the first radio frequency communication chip 322. Based on this, when the second radiator 321 is in the working state, the first tuning circuit 301, the first impedance matching network 302, and the second radiator 321 generate a resonance for covering the first working frequency band F1.

[0095] Alternatively, when the first radiator 311 is in the working state, the second radiator 321 and the first radiator 311 are coupled to share at least part of the satellite antenna 31 (i.e., the radiators of the satellite antenna 31), and the first tuning circuit 301, the first impedance matching network 302, and the second radiator 321 are used to adjust the antenna pattern of the satellite antenna 31. At this time, the first radiator 311 can serve as the main radiator of the satellite antenna 31, and the second radiator 321 can serve as the parasitic radiator of the satellite antenna 31.

[0096] As shown in FIG. 3, the first radiator 311 in the working state means that, under the excitation of the satellite communication chip 312, the first radiator 311 is in a state capable of transmitting and / or receiving radio frequency signals of the satellite working frequency band F0. The first radiator 311 in the non-working state means that the first radiator 311 is no longer in a state capable of transmitting and / or receiving radio frequency signals of the satellite working frequency band F0.

[0097] Similarly, the second radiator 321 in the working state means that, under the excitation of the first radio frequency communication chip 322, the second radiator 321 is in a state capable of transmitting and / or receiving radio frequency signals of the first working frequency band F1. At this time, the second radiator 321 in the working state can be an active antenna. The second radiator 321 in the non-working state means that the second radiator 321 is no longer in a state capable of transmitting and / or receiving radio frequency signals of the first working frequency band F1. At this time, the second radiator 321 in the non-working state can be equivalent to a passive antenna.

[0098] Based on this, as shown in FIG. 4, in the communication setting interface of the electronic device 01, the electronic device 01 can display options of multiple antennas. The user can select to turn on at least one antenna function through the hand touch button 40. Alternatively, the display interface of the electronic device 01 can recommend at least one antenna that can be used to the user according to the region where the user is located.

[0099] For example, when the user opens the first antenna, the second radiator 321 is in the working state. At this time, the satellite antenna corresponding button 40 can be in the closed state, and the first radiator 311 is in the non-working state. Conversely, when the user opens the satellite antenna, the first radiator 311 is in the working state. At this time, the first antenna corresponding button 40 can be in the closed state, and the second radiator 321 is in the non-working state.

[0100] Alternatively, for another example, the user can open the satellite antenna and the first antenna at the same time, and the first radiator 311 and the second radiator 321 can both be in the working state. When the first radiator 311 and the second radiator 321 are both in the working state, the first radiator 311 and the second radiator 321 can both be transmitting antennas or both be receiving antennas. Alternatively, when the isolation between the first radiator 311 and the second radiator 321 reaches a predetermined requirement, for example, is less than or equal to -10 dB, one of the first radiator 311 and the second radiator 321 is a transmitting antenna and the other is a receiving antenna. For the convenience of explanation, the following examples are all based on the case that only one of the first radiator 311 and the second radiator 321 is in the working state at the same time.

[0101] The isolation refers to the ratio of the signal received by one antenna to the signal transmitted by the other antenna. The isolation is a physical quantity used to measure the degree of antenna mutual coupling. Assuming that two antennas form a two-port network, the isolation between the two antennas is S21 and S12 between the antennas. The antenna isolation can be represented by S21 and S12 parameters, which also belong to one of the S parameters. The S21 and S12 parameters are usually negative numbers. The smaller the S21 and S12 parameters, the greater the isolation between the antennas, and the smaller the degree of antenna mutual coupling; the larger the S21 and S12 parameters, the smaller the isolation between the antennas, and the greater the degree of antenna mutual coupling. The isolation of the antenna depends on the antenna radiation pattern, the spatial distance of the antenna, the antenna gain, etc.

[0102] For example, as shown in FIG. 4, when the user needs to open the first antenna function, the electronic device 01 can display a text prompt box 41. The user confirms whether to open the selected antenna function according to the content in the text prompt box 41 to avoid mis-touch. Among them, the “Y” button in the text prompt box 41 represents opening the first antenna, and the “N” button represents not opening the first antenna.

[0103] When the user turns on the first antenna function, the first radiator 311 shown in FIG. 3 is in a non-working state, and the first radiator 311 no longer emits and / or receives the radio frequency signals of the satellite working frequency band F0. Therefore, the entire satellite antenna 31 can be in a non-working state to realize the closing of the satellite antenna 31 function, and the user does not need to perform satellite communication at this time. At the same time, the second radiator 321 can be in a working state under the excitation of the first radio frequency communication chip 322 to radiate the radio frequency signals of the first working frequency band F1, the first antenna 32 function is turned on, and the user can communicate by using the first antenna 32.

[0104] On this basis, as shown in FIG. 3, the resonance generated by the first tuning circuit 301, the first impedance matching network 302 and the second radiator 321 can cover the first working frequency band F1 to improve the communication quality of the first antenna 32. For example, the first tuning circuit 301 can adjust the resonance point frequency generated by the second radiator 321, so that the frequency of the radio frequency signals emitted and / or received by the second radiator 321 is located in the first working frequency band F1.

[0105] In one embodiment, the first tuning circuit 301 is a circuit including a switch and at least one electronic element of a capacitor, a resistor and an inductor coupled with the switch. The switch is used to switch the different resistance values, capacitance values or inductance values of the above-mentioned electronic elements coupled with the switch in different circuit states. Alternatively, the switch can also be in a disconnected state, so that the switch is not coupled with the above-mentioned electronic elements.

[0106] The capacitor in the embodiment of the present application can be understood as a lumped capacitor and / or a distributed capacitor. The lumped capacitor refers to a component that is capacitive, such as a capacitor element; the distributed capacitor (or distributed capacitor) refers to an equivalent capacitor formed by two conductive parts with a certain gap. The inductor can be understood as a lumped inductor and / or a distributed inductor. The lumped inductor refers to a component that is inductive, such as an inductor element; the distributed inductor (or distributed inductor) refers to an equivalent inductor formed by a conductive part with a certain length, such as an equivalent inductor formed by a conductor due to curling or rotation.

[0107] For example, the switch in the above-mentioned first tuning circuit 301 can be multiple (for example, 4) single-pole single-throw (SPST) switches, and the switches are combined, that is, 4SPST. Alternatively, the switch in the above-mentioned first tuning circuit 301 can be a single-pole multi-throw (SPMT) switch, for example, a single-pole four-throw (SP4T) switch. The present application does not limit this. The following is an example for convenience of description, which is an example for convenience of description.

[0108] In addition, as another example, when the user turns on the button 40 corresponding to the satellite antenna shown in FIG. 4, the button 40 corresponding to the first antenna is in an off state. In this case, after the satellite antenna function is turned on, the first radiator 311 shown in FIG. 3 is in an operating state, and the first radiator 311 radiates radio frequency signals of the satellite operating frequency band F0. Since the first antenna function is turned off, the second radiator 321 is in a non-operating state, and no longer emits and / or receives radio frequency signals of the first operating frequency band F1.

[0109] On this basis, as shown in FIG. 3, the resonance generated by the first tuning circuit 301, the first impedance matching network 302, and the second radiator 321 can cover a part of the satellite operating frequency band F0, and thus the second radiator 321 and the first radiator 311 can be coupled to share at least part of the satellite antenna 31 (i.e., the radiators of the satellite antenna 31). At this time, the radiators of the satellite antenna 31 that can emit and / or receive radio frequency signals of the first operating frequency band F1 include not only the first radiator 311 but also the second radiator 321, so that the number of radiators of the satellite antenna 31 can be increased, and the purpose of improving the quality of the radiated signals of the satellite antenna 31 can be achieved.

[0110] On this basis, in order to improve the coupling effect of the second radiator 321 and the first radiator 311, in the case where the second radiator 321 and the first radiator 311 are coupled to share at least part of the satellite antenna 31, the resonance generated by the first tuning circuit 301, the first impedance matching network 302, and the second radiator 321 is used to cover a range of ±150 MHz of the center frequency of the satellite operating frequency band F0, so that the second radiator 321 and the first radiator 311 are the same frequency. In this way, when the user performs satellite communication, it is easier to improve the efficiency and accuracy of the satellite, and the problems of satellite angle deviation and satellite failure can be improved.

[0111] For example, when the satellite operating frequency band F0 includes an uplink frequency band (for example, 1980 / MHz~2010 / MHz) and a downlink frequency band (for example, 2170 / MHz~2200 / MHz), the center frequency of the satellite operating frequency band F0 can be about 2000 MHz (i.e., 2 GHz). In this case, the first operating frequency band F1 can be the B1 frequency band (about 2000 MHz) in the cellular communication frequency band, so that the second radiator 321 and the first radiator 311 are the same frequency, i.e., the resonance generated by the first tuning circuit 301, the first impedance matching network 302, and the second radiator 321 can cover a range of ±150 MHz of the center frequency (for example, 2 GHz) of the satellite operating frequency band F0.

[0112] For example, when the satellite operating frequency band F0 includes an uplink frequency band (e.g., 1980 / MHz~2010 / MHz) and a downlink frequency band (e.g., 2170 / MHz~2200 / MHz), the first operating frequency band F1 can be a frequency band of 5G NR in a cellular communication frequency band. Alternatively, the satellite operating frequency band F0 can include an uplink frequency band (e.g., 1668 / MHz~1675 / MHz) and a downlink frequency band (e.g., 1518 / MHz~1525 / MHz), and the first operating frequency band F1 can be a GPS communication frequency band. The present application does not limit this.

[0113] The above is an example of the second radiator 321 operating at the same frequency as the first radiator 311 when the satellite operating frequency band F0 and the first operating frequency band F1 have an overlapping part. In other embodiments of the present application, when there is no overlapping part between the satellite operating frequency band F0 and the first operating frequency band F1, the frequency of the radio frequency signal of the second radiator 321 can be adjusted by the first tuning circuit 301, so that the first tuning circuit 301, the first impedance matching network 302, and the second radiator 321 generate a resonance covering a range of ±150MHz of the center frequency of the satellite operating frequency band F0.

[0114] In addition, as shown in FIG. 5, in the case where the second radiator 321 and the first radiator 311 are coupled to share at least part of the satellite antenna 31 (i.e., the radiators of the satellite antenna 31), the first tuning circuit 301, the first impedance matching network 302, and the second radiator 321 are used to adjust the antenna pattern of the satellite antenna 31. For example, the traveling wave current generated by the second radiator 321 on the floor 300 can adjust the antenna pattern of the satellite antenna 31. Wherein, the antenna pattern of the entire satellite antenna 31 can be superimposed by the antenna pattern A1 of the first radiator 311 and the antenna pattern A2 of the second radiator 321.

[0115] In some embodiments of the present application, the ground plane (or ground) coupled with the ground terminal G can refer to at least a portion of any ground layer, or ground plane, or ground metal layer, etc. within the electronic device 01, or at least a portion of any combination of the above-mentioned ground layer, or ground plane, or ground metal layer, etc. The ground plane (or ground) can include any one or more of the following: a ground layer in a circuit board of the electronic device 01, a ground metal layer formed by a metal film laminated with the antenna device 30, and a conductive or metallic member electrically connected with the above-mentioned ground layer, or ground plane, or ground metal layer. The above-mentioned ground layer, or ground plane, or ground metal layer is made of a conductive material. In one embodiment, the conductive material can be any one of the following: copper, aluminum, stainless steel, brass, and alloys thereof, copper foil on an insulating substrate, aluminum foil on an insulating substrate, gold foil on an insulating substrate, silver-plated copper, silver-plated copper foil on an insulating substrate, silver foil on an insulating substrate, and tin-plated copper, graphite powder impregnated cloth, graphite-coated substrate, copper-plated substrate, brass-plated substrate, and aluminum-plated substrate. Those skilled in the art can understand that the ground layer, or ground plane, or ground metal layer can also be made of other conductive materials. It should be understood that the ground plane can have a regular or irregular shape, which is not limited in the present application.

[0116] The following is an example of the way in which the traveling wave current generated by the second radiator 321 on the ground plane 300 adjusts the antenna pattern of the satellite antenna 31. As shown in FIG. 5, in some embodiments of the present application, as known from the above, under the excitation of the satellite communication chip 312, the first radiator 311 is in a working state, and the first radiator 311 transmits and / or receives radio frequency signals of the satellite operating frequency band F0. In the case where the second radiator 321 and the first radiator 311 share at least a portion of the radiator of the satellite antenna 31, the second radiator 321 and the first radiator 311 can both transmit and / or receive radio frequency signals of the satellite operating frequency band F0.

[0117] At this time, as shown in FIG. 5, during the process in which the first radiator 311 transmits and / or receives radio frequency signals of the satellite operating frequency band F0, the traveling wave current (represented by black arrows) generated on the ground plane 300 will flow from the left side where the first radiator 311 is located to the right side (i.e., the incident characteristic of the radiator), and under the traction of the traveling wave current (represented by black arrows), the antenna pattern A1 of the first radiator 311 will be biased to the right side.

[0118] In addition, the second radiator 321 coupled with the first radiator 311 and excited, in the process of emitting and / or receiving the radio frequency signals of the satellite operating frequency band F0 (i.e., under the radiation characteristics of the radiator), the traveling wave current (white arrows represent) generated on the floor 300 will flow from the right side where the second radiator 321 is located to the left side, so that the antenna pattern A2 of the second radiator 321 is biased to the right side, thereby supplementing (or adjusting) the antenna pattern of the entire satellite antenna 31. In this way, since the antenna pattern of the satellite antenna 31 can be superimposed by the antenna pattern A1 of the first radiator 311 and the antenna pattern A2 of the second radiator 321, the probability of the antenna pattern of the entire satellite antenna 31 being biased to one side can be reduced, and the effect of wide beam can be achieved.

[0119] On this basis, the second radiator 321 coupled with the first radiator 311 and excited can reflect the electromagnetic waves radiated by the first radiator 311 (i.e., the reflection characteristics of the radiator), as shown in FIG. 5, thereby the traveling wave current (black arrows represent) flowing from left to right on the floor 300 can be counter-currented, thereby the intensity of the electromagnetic waves radiated by the first radiator 311 can be enhanced, the antenna pattern of the satellite antenna 31 can be adjusted, and the purpose of wide beam can be achieved.

[0120] In summary, under the coupling effect of the first radiator 311 and the second radiator 321, the antenna pattern of the satellite antenna 31 can have the characteristics of wide beam, thereby effectively reducing the problems of satellite angle deviation and satellite failure caused by the narrow and one-side biased beam of the satellite antenna pattern, and further more, the corresponding efficiency and accuracy can be improved.

[0121] The coupling mode of the second radiator 321 and the first radio frequency communication chip 322 is exemplarily described below. In some embodiments of the present application, as shown in FIG. 6, the antenna device 30 can further include a first impedance matching network 302 and a first radio frequency switch RFS1. For example, the first radio frequency switch RFS1 can be an SPMT (e.g., SP4T), or a plurality of (e.g., 4) SPST switches combined, which is not limited in the present application.

[0122] Based on this, as shown in FIG. 6, the first impedance matching network 302 is coupled with the first electrical connection end 3210 of the second radiator 321 in the above-mentioned working state and non-working state. The first radio frequency switch RFS1 is coupled between the first impedance matching network 302 and the first radio frequency communication chip 322. The first radio frequency switch RFS1 is used to connect the first impedance matching network 302 and the first radio frequency communication chip 322, so that the first radio frequency communication chip 322 is coupled with the second radiator 321 in the above-mentioned working state and non-working state. In another embodiment of the present application, the first radio frequency communication chip 322 can be coupled with the first impedance matching network 302 without setting the first radio frequency switch RFS1.

[0123] The first impedance matching network 302 can perform impedance matching on the communication link of the second radiator 321. The impedance of the antenna generally refers to the ratio of the voltage and current at the input end of the antenna. The antenna impedance is a measure of the electrical resistance of the electrical signal in the antenna. The main purpose of the impedance matching of the antenna is to achieve the matching between the antenna and the transmission line. When the antenna and the transmission line are matched, the power transmitted by the transmitter to the antenna or by the antenna to the receiver is maximum, and at this time there is no reflected wave on the transmission line, the reflection coefficient is equal to zero, and the standing wave ratio is equal to 1. The matching between the antenna and the transmission line is measured by the size of the reflection coefficient or the standing wave ratio at the input end of the antenna. For a transmitting antenna, if the matching is not good, the radiation power of the antenna will be reduced, the loss on the transmission line will be increased, the power capacity of the transmission line will be reduced, and in severe cases, the frequency "traction" phenomenon of the transmitter will occur, that is, the oscillation frequency changes.

[0124] In addition, in another embodiment, as shown in FIG. 6, the above-mentioned antenna device 30 can further include a first radio frequency test seat 304. The first radio frequency test seat 304 can be coupled between the first electrical connection end 3210 of the second radiator 321 and the first radio frequency switch RFS1. The first radio frequency test seat 304 can be connected to a test instrument to test and adjust the relevant parameters of the impedance matching of the communication link of the second radiator 321. Alternatively, in another embodiment, the antenna device 30 can further include a power amplifier (PA), which can be arranged between the first radio frequency communication chip 322 and the first radio frequency switch RFS1. The side of the first radio frequency test seat 304 away from the first impedance matching network 302, for example, the side where the first radio frequency switch RFS1 and the first radio frequency communication chip 322 and other components are located, is referred to as the radio frequency end of the antenna device 30.

[0125] Continuing as shown in FIG. 6, it can be known from the above that, since the first radio frequency switch RFS1 can connect the first impedance matching network 302 with the first radio frequency communication chip 322, the first radio frequency communication chip 322 can be coupled with the second radiator 321 all the time, regardless of whether the second radiator 321 is in the working state or not, i.e., whether the second radiator 321 transmits and / or receives the radio frequency signal of the first working frequency band F1 or not.

[0126] For example, in the case that the isolation of the satellite antenna 31 and the first antenna 32 reaches the preset requirement, when the first radiator 311 is in the working state under the excitation of the satellite communication chip 312 to radiate the radio frequency signal of the satellite working frequency band F0, the second radiator 321 can be in the working state under the excitation of the first radio frequency communication chip 322 to radiate the radio frequency signal of the first working frequency band F1. Alternatively, for another example, in the case that the isolation of the satellite antenna 31 and the first antenna 32 does not meet the preset requirement, when the first radiator 311 is in the working state under the excitation of the satellite communication chip 312 to radiate the radio frequency signal of the satellite working frequency band F0, the first radio frequency communication chip 322 can still be coupled with the second radiator 321, but the first radio frequency communication chip 322 can be controlled not to send signals to the second radiator 321 any more, so that the second radiator 321 is in the non-working state.

[0127] In this way, when the second radiator 321 is switched from the working state to the non-working state, the first radio frequency communication chip 322 does not need to be disconnected from the second radiator 321. Moreover, since the resonance generated by the first tuning circuit 301, the first impedance matching network and the second radiator 321 covers the first working frequency band F1, the first radio frequency communication chip 322 is coupled with the second radiator 321, which can still be coupled with the first radiator 311 to share at least part of the satellite antenna 31 (i.e., the radiator of the satellite antenna 31).

[0128] In another embodiment of the present application, as shown in FIG. 7, the antenna device 30 can further include a second radio frequency communication chip 323, and the first radio frequency switch RFS1 is further coupled between the second radiator 321 and the second radio frequency communication chip 323. The second radio frequency communication chip 323 is configured to excite the second radiator 321 to be in the working state to transmit and / or receive the radio frequency signal of a second working frequency band F2.

[0129] When the second radiator 321 is in the working state, the first radio frequency switch RFS1 is used to connect the second radiator 321 with the second radio frequency communication chip 323, so that the second radio frequency communication chip 323 is coupled with the second radiator 321 to form a second antenna 33. For example, the second antenna 33 can be a cellular antenna, and the second working frequency band F2 can be a cellular communication frequency band, for example, a 5G NR cellular communication frequency band. Alternatively, the second antenna 33 can be a non-cellular antenna. Alternatively, the second antenna 33 can be a Bluetooth antenna, etc. In this case, the second radiator 321 can be multiplexed as a radiator of the first antenna 32 and the second antenna 33, realizing multiplexing of antenna branches.

[0130] The above is an example of coupling two radio frequency communication chips, for example, the first radio frequency communication chip 322 and the second radio frequency communication chip 323, by the first radio frequency switch RFS1. In other embodiments of the present application, the first radio frequency switch RFS1 can couple more than two radio frequency communication chips, so that the second radiator 321 can realize multiplexing of more than two antenna radiators.

[0131] Based on this, in a related technology, as shown in FIG. 8, a parasitic branch 100 is arranged on one side of the satellite branch 200, and the parasitic branch 100 is not coupled with a feed source, so the parasitic branch 100 is a passive branch. The parasitic branch 100 is coupled with a tuning element (resistor, capacitor or inductor, etc.) by 4SPST. By selecting different elements, 4SPST can adjust the frequency of the signal radiated by the parasitic branch 100.

[0132] However, when the parasitic branch 100 needs to be coupled with the satellite branch 200 as a radiator of a satellite antenna, at least one of the 4SPSTs coupled with the parasitic branch 100 needs to be switched to a satellite frequency (i.e., an antenna state), thereby occupying at least one antenna state. Alternatively, when each of the 4SPSTs is occupied, the original 4SPSTs need to be disconnected from the parasitic branch 100, and new 4SPSTs and tuning elements coupled with the new 4SPSTs are added, so that at least one of the new 4SPSTs is switched to a satellite frequency (i.e., an antenna state), thereby increasing the number of electronic devices in the antenna device. In addition, the parasitic branch 100 described above is a passive antenna, and the parasitic branch 100 can only be coupled with the satellite branch 200, and cannot radiate signals as an active antenna. When multiple antennas need to be integrated in an electronic device, the number of branches in the electronic device cannot meet the requirements.

[0133] Compared with the scheme shown in FIG. 8, in the antenna device 30 shown in FIG. 6, it can be known from the above that, when the user needs to communicate through the first antenna 32 (for example, to perform cellular communication), the second radiator 321 can be in a working state under the excitation of the first radio frequency communication chip 322, and the resonance generated by the first tuning circuit 301, the first impedance matching network, and the second radiator 321 covers the first working frequency band F1. In addition, when the user needs to perform satellite communication, the second radiator 321 is coupled with the first radiator 311, so that the second radiator 321 and the first radiator 311 are coupled to share at least part of the satellite antenna 31, and perform radiation of radio frequency signals of the satellite working frequency band F0.

[0134] Therefore, continuing as shown in FIG. 6, the resonance generated by the first tuning circuit 301, the first impedance matching network 302, and the second radiator 321 can cover the first working frequency band F1 or part of the satellite working frequency band F0, so that a switching path to the antenna state of the satellite working frequency band is not needed to be added in the switch (for example, 4SPST) in the first tuning circuit 301. Similarly, a new tuning circuit (including 4SPST and tuning components) for switching the frequency of the second radiator 321 to the satellite working frequency band F0 is also not needed to be added, so that the structure of the antenna device 30 can be simplified.

[0135] In addition, continuing as shown in FIG. 6, the second radiator 321 is coupled with the first radio frequency communication chip 322, and the second radiator 321 is an active antenna. In addition, it can be known from the above that, as shown in FIG. 7, the second radiator 321 can be coupled with the first radio frequency communication chip 322 or the second radio frequency communication chip 323 through the first radio frequency switch RFS1, so that the second radiator 321 can be multiplexed as a radiator of the first antenna 32 and the second antenna 33, multiplexing of the antenna branch is realized, and the demand of the electronic device 01 for integrating multiple antennas can be met.

[0136] Alternatively, in another related technology, as shown in FIG. 9, a parasitic branch 100 is coupled with a feed source 110, and the parasitic branch 100 is an active branch. An SP4T1, an impedance matching (matching bom, MB), and an SP4T2 are connected in series between the parasitic branch 100 and the feed source 110. When the parasitic branch 100 needs to be coupled with a satellite branch 200 to be a radiator of a satellite antenna, the SP4T2 needs to be disconnected from the parasitic branch 100 (the position where the mark “X” is located in FIG. 9), so that the feed source 110 continues to feed the parasitic branch 100. At this time, at least one path of the SP4T1 can be switched to a satellite frequency.

[0137] However, when the parasitic branch 100 is not needed to be coupled with the satellite branch 200, the SP4T2 is coupled with the parasitic branch 100, and the signal provided by the feed 110 to the parasitic branch 100 needs to pass through not only the SP4T2 but also the SP4T1, thereby increasing the insertion loss and causing the radio frequency path loss to increase. When the SP4T2 is coupled with the feed of other antennas, the efficiency of the radiation signal of the other antennas is affected. Moreover, after the SP4T1 and the SP4T2 are connected in series, one of the four connection paths of the SP4T1 is occupied by the SP4T2. At least one of the paths in the SP4T1 needs to be switched to the satellite frequency, thereby occupying at least one antenna state. Therefore, when the SP4T1 is coupled with multiple antennas, at most two paths in the SP4T1 can be provided to the signals of other antennas, such as 5G or Bluetooth antennas, which are different from the signal provided by the feed 110. When the remaining paths of the SP4T1 are not enough, it is possible to increase the number of switches and tuning elements.

[0138] Compared with the scheme shown in FIG. 9, in the antenna device 30 shown in FIG. 6 or FIG. 7 provided by the embodiments of the present application, the first tuning circuit 301 is connected in parallel with the first radio frequency communication chip 322, and therefore only one first radio frequency switch RFS1 needs to be connected in series between the first radio frequency communication chip 322 as the feed and the second radiator 321, thereby effectively reducing the insertion loss. Based on this, even if the first radio frequency switch RFS1 is coupled with at least two radio frequency communication chips, such as the first radio frequency communication chip 322 and the second radio frequency communication chip 323, as shown in FIG. 7, since only one switch, i.e., the first radio frequency switch RFS1, is connected in the path coupled with the second radiator 321, either the first radio frequency communication chip 322 or the second radio frequency communication chip 323, the problem of large insertion loss caused by multiple switches connected in series in the path can be avoided.

[0139] Moreover, the resonance generated by the first tuning circuit 301, the first impedance matching network 302, and the second radiator 321 can cover the first working frequency band F1 or cover part of the satellite working frequency band F0, thereby enabling the second radiator 321 to emit and / or receive the radio frequency signal of the satellite working frequency band F0 without occupying the antenna state of the first radio frequency switch RFS1, and reducing the possibility of adding a tuning circuit.

[0140] The above is an example of the case where the first radio frequency communication chip 322 can be coupled with the second radiator 321 at all times when the second radiator 321 is in a working state or a non-working state. In other embodiments of the present application, as shown in FIG. 10A, the antenna device 30 can further include a second impedance matching network 303 on the basis of the first radiator 311, the second radiator 321, the first tuning circuit 301, the first impedance matching network 302, and the first radio frequency switch RFS1.

[0141] Continuing as shown in FIG. 10A, the first radio frequency switch RFS1 is coupled not only between the first impedance matching network 302 and the first radio frequency communication chip 322, but also between the first impedance matching network 302 and the second impedance matching network 303. For example, the second impedance matching network 303 can have an impedance value of 45Ω-55Ω. For instance, the second impedance matching network 303 can have an impedance value of 45Ω, 46Ω, 48Ω, 50Ω, 51Ω, 53Ω, or 55Ω, which is not limited in the present application. For example, the second impedance matching network 303 can include one resistor having an impedance value in the range of 45Ω-55Ω. Alternatively, the second impedance matching network 303 can include a plurality of components, and the second impedance matching network 303 formed by the plurality of components has an impedance value in the range of 45Ω-55Ω.

[0142] In this case, continuing as shown in FIG. 10A, when the second radiator 321 is in the working state, the first radio frequency switch RFS1 is used to connect the first impedance matching network 302 and the first radio frequency communication chip 322, so that the first radio frequency communication chip 322 is coupled with the second radiator 321. As described above, the second radiator 321 in the working state transmits and / or receives the radio frequency signal of the first working frequency band F1. In addition, when the first radiator 311 is in the working state, the first radio frequency switch RFS1 is used to connect the first impedance matching network 302 and the second impedance matching network 303. At this time, the second radiator 321 is in the non-working state, i.e., the second radiator 321 no longer transmits and / or receives the radio frequency signal of the first working frequency band F1. In one embodiment, the first radio frequency switch RFS1 not only connects the first impedance matching network 302 and the second impedance matching network 303, but also disconnects the first radio frequency communication chip 322 and the second radiator 321.

[0143] In this way, when the first radio frequency switch RFS1 connects the first impedance matching network 302 and the second impedance matching network 303, and the first radiator 311 is in the working state, the second radiator 321 can be coupled with the first radiator 311 to share at least part of the satellite antenna 31. At this time, the second impedance matching network 303 (e.g., having an impedance value of 50Ω) can absorb the energy from the satellite antenna 31 to reduce the energy transmitted to the first radio frequency communication chip 322, thereby reducing the probability of damage to the first radio frequency communication chip 322.

[0144] In this case, the first radio frequency switch RFS1 couples the second impedance matching network 303 with the second radiator 321, which can be equivalent to a passive antenna. For the convenience of illustration, the following is an example of coupling the second impedance matching network 303 (50Ω) with the first electrical connection end 3210 of the second radiator 321 through the first radio frequency switch RFS1.

[0145] Alternatively, in some other embodiments, as shown in FIG. 10B, in the case where the antenna device 30 includes a first radio frequency communication chip 322 and a second radio frequency communication chip 323, it is known from the above that the first radio frequency switch RFS1 can connect the second radiator 321 with the first radio frequency communication chip 322, so that the second radiator 321 transmits and / or receives radio frequency signals of the first operating frequency band F1 (for example, a medium-high frequency cellular communication frequency band). Alternatively, the first radio frequency switch RFS1 can connect the second radiator 321 with the second radio frequency communication chip 323, so that the second radiator 321 transmits and / or receives the second operating frequency band F2 (for example, a 5G NR cellular communication frequency band). At this time, two paths in the first radio frequency switch RFS1 are occupied by the first radio frequency communication chip 322 and the second radio frequency communication chip 323, and in the case where the first radio frequency switch RFS1 is an SPMT (for example, SP4T), the first radio frequency switch RFS1 can leave one path coupled with the above-mentioned second impedance matching network 303.

[0146] In this case, as shown in FIG. 10B, the first RF switch RFS1 can connect the first impedance matching network 302 and the second impedance matching network 303 (in one embodiment, the first RF switch RFS1 also disconnects the first RF communication chip 322 and the second RF communication chip 323 from the second radiator 321) when the first radiator 311 is in operation and the second radiator 321 needs to be coupled with the first radiator 311 to share at least part of the satellite antenna 31. In this way, the second impedance matching network 303 can reduce the energy from the satellite antenna 31, thereby reducing the probability of damage to the first RF communication chip 322 and the second RF communication chip 323. In addition, when the first operating frequency band F1 (or the second operating frequency band F2) covers the center frequency of the satellite operating frequency band F0, the second impedance matching network 303 can more effectively protect the first RF communication chip 322 (or the second RF communication chip 323). Alternatively, in other embodiments, as shown in FIG. 7, when the first RF communication chip 322 is coupled with the second radiator 321 to form the first antenna 32, the isolation between the first antenna 32 and the satellite antenna 31 meets the preset requirement, or when the second RF communication chip 323 is coupled with the second radiator 321 to form the second antenna 33, the isolation between the second antenna 33 and the satellite antenna 31 meets the preset requirement, the first RF switch RFS1 can not need to be coupled with the second impedance matching network 303 (for example, the resistance value is 50Ω).

[0147] The following describes the arrangement of the antenna device 30 in the electronic device 01. As shown in FIG. 11, the electronic device 01 includes at least one metal frame 50 (FIG. 11 is an example in which the electronic device 01 includes one metal frame 50) and any one of the antenna devices 30 described above. Part of the at least one metal frame 50 is shared with the first radiator 311 and the second radiator 321 in the antenna device 30, so as to simplify the structure of the electronic device 01.

[0148] Continuing as shown in FIG. 11, in some embodiments of the present application, the electronic device 01 can be a straight phone, and the metal frame 50 of the electronic device 01 can include a top frame 500, a first side frame 501, a bottom frame 503 and a second side frame 502 connected end to end in sequence. The top frame 500 and the bottom frame 503 can be oppositely arranged, and the first side frame 501 and the second side frame 502 can be oppositely arranged. The top frame 500 and the bottom frame 503 can mean that when a user stands and holds the electronic device 01 as shown in FIG. 11, the top frame 500 located at the top can be directed to the sky, and the bottom frame 503 located at the bottom is directed to the ground. Alternatively, when the electronic device 01 includes a camera 400, the camera 400 is usually located in the upper half of the electronic device 01, and the top frame 500 is arranged more towards the camera 400 relative to the bottom frame 503.

[0149] On this basis, continuing as shown in FIG. 11, a part of the top frame 500 is shared as the first radiator 311. A part of the first side frame 501 or a part of the second side frame 502 is shared as the second radiator 321. FIG. 11 is an example of taking a part of the second side frame 502 as the second radiator 321 as an example. In this way, the first radiator 311 mainly used for transmitting and / or receiving the satellite operating frequency band F0 is located at the top of the electronic device 01, and when a user holds the electronic device 01 as shown in FIG. 11, the energy of the electromagnetic wave radiated by the first radiator 311 can be mainly concentrated on the side where the top frame 500 is located, that is, the energy is concentrated on the side of the electronic device 01 directed to the sky, thereby facilitating the implementation of the satellite operation of the electronic device 01, so that the user can use the satellite function in a larger angle range, and improve the degree of freedom of the satellite function implementation.

[0150] Alternatively, when the above is a straight phone as the electronic device 01, in some other embodiments of the present application, as shown in FIG. 12, the antenna device 30 includes two second radiators 321. A part of the first side frame 501 is shared as one of the two second radiators 321 (for example, the left second radiator 321), and a part of the second side frame 502 is shared as the other of the two second radiators 321 (for example, the right second radiator 321).

[0151] In this way, as shown in FIG. 12, the two second radiators 321 can be coupled with the first radiator 311 to radiate the radio frequency signals of the satellite operating frequency band F0. The two second radiators 321 located on both sides of the first radiator 311 can use the reflection and radiation characteristics of the radiators to suppress the floor wave current of the first radiator 311 from different directions and supplement the antenna pattern of the first radiator 311, so that the antenna pattern of the entire satellite antenna 31 can be superimposed by the antenna pattern of the first radiator 311 and the antenna pattern of the two second radiators 321, achieving the purpose of adjusting the antenna pattern of the satellite antenna 31, and further facilitating reducing the probability of the antenna pattern of the entire satellite antenna 31 deviating to one side, achieving the effect of wide beam.

[0152] For example, FIGS. 11 and 12 are examples taking the second radiators 321 as strip stubs. In other embodiments of the present application, as shown in FIG. 13, the second radiators 321 shared with the first side frame 501 and the second radiators 321 shared with the second side frame 502 can be L-shaped stubs. In this case, the part of the second radiators 321 extending into the metal frame 50 can be used for grounding.

[0153] FIGS. 11, 12 and 13 are examples taking the first radiator 311 located at the top frame 500 and the second radiators 321 located at the side frame, for example, the first side frame 501 or the second side frame 502. In the above figures, the first impedance matching network 302, the second impedance matching network 303, the first radio frequency switch RFS1 and the first tuning circuit 301 coupled with the second radiators 321 as shown in FIG. 10A are omitted. In this way, in the case that the coupling mode of the second radiators 321 with the first impedance matching network 302, the second impedance matching network 303, the first radio frequency switch RFS1 and the first tuning circuit 301 is as described above, the first radiator 311 and the second radiators 321 are distributed in different frames, and the electrical length and the physical length of the first radiator 311 and the second radiators 321 are adjusted as needed, which can make the isolation of the first radiator 311 and the second radiators 321 less than or equal to -10 dB.

[0154] Alternatively, as shown in FIG. 14, in the case where the antenna device 30 includes two second radiators 321, a first portion of the top bezel 500 (e.g., a middle portion of the top bezel 500) is shared by the first radiator 311. In addition, a second portion of the top bezel 500 (e.g., a left portion of the top bezel 500) and a portion of the first side bezel 501 facing the top bezel 500 are shared by one of the two second radiators 321 (e.g., the left second radiator 321). The left second radiator 321 can be an L-shaped stub, a portion of the second radiator 321 shared with the top bezel 500 being grounded, and a portion of the second radiator 321 shared with the first side bezel 501 being coupled to the first RF communication chip 322.

[0155] In addition, a third portion of the top bezel 500 (e.g., a right portion of the top bezel 500) and a portion of the second side bezel 502 facing the top bezel 500 are shared by the other of the two second radiators 321 (e.g., the right second radiator 321). Similarly, the right second radiator 321 can be an L-shaped stub, a portion of the second radiator 321 shared with the top bezel 500 being grounded, and a portion of the second radiator 321 shared with the first side bezel 501 being coupled to the first RF communication chip 322. The above is an example of the case where the antenna device 30 includes two second radiators 321. In other embodiments of the present application, only one second radiator 321 (e.g., left or right) can be provided.

[0156] In this case, in the case where the second radiators 321 are coupled to the first impedance matching network 302, the second impedance matching network 303, the first RF switch RFS1, and the first tuning circuit 301 as described above with reference to FIG. 7, continuing as shown in FIG. 14, by providing the first radiator 311 on the top bezel 500, grounding the portion of the second radiators 321 shared with the top bezel 500, and adjusting the electrical length and the physical length of the first radiator 311 and the second radiators 321 as needed, the isolation between the first radiator 311 and the second radiators 321 can be less than or equal to -10 dB.

[0157] The feeding manner of the two second radiators 321 will be described below in the case where the antenna device 30 includes the two second radiators 321. In some embodiments, as shown in FIG. 13 or FIG. 14, the antenna device 30 can include one first RF communication chip 322, which can be coupled to both of the two second radiators 321. The feeding manner of the two second radiators 321 can be referred to as distributed feeding.

[0158] Alternatively, as shown in FIG. 15, the antenna device 30 can include two first radio frequency communication chips 322. One of the two first radio frequency communication chips 322 (for example, the left first radio frequency communication chip 322) can be coupled with the second radiating body 321 shared by the first side frame 501 to form a first sub-antenna 3001. The other of the two first radio frequency communication chips 322 (for example, the right first radio frequency communication chip 322) can be coupled with the second radiating body 321 shared by the second side frame 502 to form a second sub-antenna 3002. The feeding mode of the two second radiating bodies 321 can be referred to as a single feeding mode. The working principle and technical effects of the first sub-antenna 3001 and the second sub-antenna 3002 are the same as those of the first antenna 32 shown in FIG. 10A, and will not be repeated here.

[0159] The above is an example of the setting mode of the first radiating body 311 and the second radiating body 321 taking the electronic device 01 as a straight machine. In other embodiments of the present application, the electronic device 01 can be a folding machine, for example, a two-fold machine as shown in FIG. 16. As shown in FIG. 16, the electronic device 01 further includes a first rotating shaft 61. In this case, the electronic device 01 can include two metal frames, namely a first metal frame 51 and a second metal frame 52. The first metal frame 51 and the second metal frame 52 are respectively connected with the first rotating shaft 61 to enable the electronic device 01 to realize a folding state and a flat state.

[0160] On this basis, as shown in FIG. 16, a part of the first metal frame 51 is shared as the first radiating body 311, and a part of the second metal frame 52 is shared as the second radiating body 321. The first radiating body 311 and the second radiating body 321 are located at the same end of the first rotating shaft 61 (for example, both are located at the upper end of the first rotating shaft 61). Similarly, this can enable the energy radiated by the first radiating body 311 and the second radiating body 321 to be concentrated at the position of the top of the first metal frame 51, i.e., the energy is concentrated on the side of the electronic device 01 facing the sky, thereby facilitating the star operation of the electronic device 01.

[0161] In addition, in some embodiments, as shown in FIG. 16, the second radiator 321 includes a first branch 331 which is in a strip shape. Also, FIG. 16 is an example of the second impedance matching network 303 (50 Ω) coupled to the first electrical connection end 3210 of the second radiator 321. The first radio frequency switch RFS1 and the first radio frequency communication chip 322 coupled to the second radiator 321 as shown in FIG. 10A are omitted in the following figures. In some embodiments, the satellite antenna 31 with the first radiator 311 and the second radiator 321 can work in a line differential mode (DM) mode. Alternatively, by changing the position of the first electrical connection end 3210, the satellite antenna 31 with the first radiator 311 and the second radiator 321 can work in a line common mode (CM) mode, which is not limited in the present application.

[0162] Based on this, as shown in FIG. 16, compared with the scheme of arranging the first radiator 311 and the second radiator 321 on the same metal frame, by arranging the first radiator 311 and the second radiator 321 on different metal frames (for example, the first metal frame 51 and the second metal frame 52), the first metal frame 51 and the second metal frame 52 can provide a larger size to serve as the first radiator 311 and the second radiator 321 respectively, so as to increase the physical length of the first radiator 311 and the second radiator 321, and further achieve the purpose of improving the antenna aperture and gain.

[0163] Also, by arranging the first radiator 311 and the second radiator 321 on different metal frames (for example, the first metal frame 51 and the second metal frame 52), the first radiator 311 and the second radiator 321 are spaced apart by the first rotation shaft 61, and the electrical length and the physical length of the first radiator 311 and the second radiator 321 can be adjusted as needed, so that the isolation of the first radiator 311 and the second radiator 321 is less than or equal to -10 dB.

[0164] In some embodiments of the present application, the satellite operating frequency band F0 in which the radio frequency signals emitted and / or received by the first radiator 311 is about 2000 / MHz (i.e., 2GHz), for example. When the first radiator 311 is in an operating state and the second radiator 321 is not coupled with the first radiator 311, as shown in FIG. 17, the antenna pattern of the first radiator 311 is biased to the right side, and the color of the deep part of the antenna pattern, i.e., the part with a larger gain (e.g., 4.1dBi), is concentrated in the upper right corner of the antenna pattern, according to the above description.

[0165] In comparison, when the first radiator 311 is in an operating state and the second radiator 321 is coupled with the first radiator 311, as shown in FIG. 19, the antenna pattern of the first radiator 311 is no longer biased to the right side, and both the left and right sides have a larger gain (e.g., 3.34dBi), under the action of the radiation and current of the second radiator 321. In addition, as shown in FIG. 20 (an antenna pattern expansion diagram obtained by cutting the antenna pattern along the theta axis in FIG. 19 and flattening it), the area of the blank part in the lower left corner not covered by the antenna pattern is smaller than that in FIG. 18, thereby improving the signal coverage range of the first radiator 311.

[0166] The above-mentioned antenna pattern refers to a pattern of the relative field strength (normalized modulus) of the antenna radiation field varying with direction at a certain distance from the antenna (far field), which is usually represented by two mutually perpendicular plane antenna patterns in the maximum radiation direction of the antenna. The antenna pattern usually has multiple radiation beams. The radiation beam with the largest radiation intensity is called the main lobe, and the remaining radiation beams are called side lobes or side lobes. The side lobe in the opposite direction of the main lobe is also called the back lobe. The gain of the antenna is used to represent the degree of concentration of the input power radiated by the antenna. Generally, the narrower the main lobe of the antenna pattern, the smaller the side lobe, and the higher the gain of the antenna.

[0167] On this basis, as shown in FIG. 21, curve ① is the S11 (antenna return loss of the first radiator 311) curve and the S22 curve (antenna return loss of the second radiator 321), wherein the S11 curve and the S22 curve coincide. As can be seen from the S11 curve, the resonance frequency point ② (2.013059, -24.09453) of the first radiator 311 and the second radiator 321 is about 2GHz, for example.

[0168] In this example, the antenna return loss can be understood as the ratio of the signal power reflected back to the antenna port through the antenna circuit to the antenna port transmission power. The smaller the reflected signal, the greater the signal radiated through the antenna into space, and the greater the radiation efficiency of the antenna. The greater the reflected signal, the smaller the signal radiated through the antenna into space, and the smaller the radiation efficiency of the antenna. The antenna return loss can be represented by the S11 parameter, which is usually negative. The smaller the S11 parameter, the smaller the antenna return loss, and the greater the radiation efficiency of the antenna; the greater the S11 parameter, the greater the antenna return loss, and the smaller the radiation efficiency of the antenna.

[0169] In addition, as shown in FIG. 21, curve ② is the S12 curve and the S21 curve (where the S12 curve and the S21 curve overlap). As can be seen from the S12 curve and the S21 curve, the isolation at 2 GHz, i.e., at point ① (1.999844, -17.46999), is below -15 (e.g., -17.46999).

[0170] On this basis, curve ① shown in FIG. 22 is the antenna radiation efficiency curve of the first radiator 311 and the second radiator 321, and the antenna radiation efficiency curves of the two radiators overlap. Curve ① is the antenna system efficiency curve of the first radiator 311 and the second radiator 321, and the antenna system efficiency curves of the two radiators overlap.

[0171] The antenna radiation efficiency refers to the ratio of the power radiated by the antenna into space (i.e., the power of the portion effectively converted into electromagnetic waves) to the active power input to the antenna. The active power input to the antenna = input power of the antenna - loss power; the loss power mainly includes the return loss power and the ohmic loss power of the metal and / or the dielectric loss power. The radiation efficiency is a value for measuring the radiation capability of the antenna, and the metal loss and the dielectric loss are both factors affecting the radiation efficiency. The antenna system efficiency refers to the ratio of the input power to the output power at the port of the antenna. Those skilled in the art can understand that efficiency is generally represented by percentage, and there is a corresponding conversion relationship between efficiency and dB. The closer the efficiency is to 0 dB, the better the efficiency of the antenna.

[0172] As can be seen from FIG. 22, the point ① (2, -2.620583) is located at about 2 GHz, which can indicate that the first radiator 311 and the second radiator 321 are of the same frequency after coupling. In addition, the first radiator 311 and the second radiator 321 affect each other, so that the curve ① and the curve ② are concave downward at about 2 GHz, so that an efficiency pit appears. However, as can be seen from FIG. 21, the isolation between the first radiator 311 and the second radiator 321 is good, so the above-mentioned efficiency pit is not obvious, so the influence of the mutual influence of the first radiator 311 and the second radiator 321 on the antenna efficiency is small.

[0173] The above is an example of the working process of the first radiator 311 and the second radiator 321, which takes the second radiator 321 including one branch, i.e., the first branch 331 shown in FIG. 16, as an example. In other embodiments of the present application, as shown in FIG. 23, the second radiator 321 includes the first branch 331 and the second branch 332, and the first branch 331 and the second branch 332 are spaced apart. For example, the first branch 331 and the second branch 332 can be spaced apart by having a first gap 601 between the first branch 331 and the second branch 332. Alternatively, for another example, the first branch 331 and the second branch 332 can be spaced apart by having at least one antenna branch between the first branch 331 and the second branch 332, which is not limited in the present application.

[0174] In addition, the above-mentioned antenna device 30 further includes a second tuning circuit 305, and the second tuning circuit 305 is coupled with the second branch 332. The second tuning circuit 305 is used for adjusting the frequency of the radio frequency signal transmitted and / or received by the second branch 332, so that the second branch 332, the first branch 331 and the first radiator 311 are coupled into the above-mentioned satellite antenna 31. By increasing the number of branches, the purpose of adjusting the electrical length and the physical length of the radiator of the satellite antenna 31 can be achieved.

[0175] Based on this, in the case that the electronic device 01 has the rotation shaft 61, the first branch 331 is located on the side of the second branch 332 away from the first rotation shaft 61, i.e., the second branch 332 is arranged close to the rotation shaft. For example, the second branch 332 can be integrated with the branch connected to the top of the first metal frame 51 and facing the first rotation shaft 61. In this case, the satellite antenna 31 having the first radiator 311 and the second branch 332 and the first branch 331 can work in the DM mode.

[0176] Similarly, the second branch 332 and the first branch 331 can complement (or adjust) the pattern of the first radiator 311. In this way, since the antenna pattern of the satellite antenna 31 can be superimposed by the antenna pattern of the first radiator 311 and the antenna pattern of the second branch 332 and the first branch 331, the probability of the antenna pattern of the entire satellite antenna 31 being biased to one side can be reduced, and the effect of a wide beam can be achieved. Moreover, the second branch 332 and the first branch 331 can reflect the electromagnetic waves radiated by the first radiator 311, so as to suppress the current on the ground, thereby enhancing the intensity of the electromagnetic waves radiated by the first radiator 311, and achieving the purpose of adjusting the antenna pattern of the satellite antenna 31.

[0177] On this basis, as shown in FIG. 24, curve ① is an S11 (antenna return loss of the first radiator) curve, and curve ② is an S22 curve (antenna return loss of the second radiator). For example, it can be known from the S11 curve that the frequency of the resonance point ① of the first radiator 311 (2, -18.24966) is about 2 GHz. It can be known from the S22 curve that the frequency of the resonance point ② of the first branch 331 in the second radiator 321 (2, -25.78008) is about 2 GHz, and the frequency of the resonance point ③ of the second branch 332 in the second radiator 321 is about 2.6 GHz. In addition, curve ③ is an S12 curve and an S21 curve (wherein the S12 curve and the S21 curve coincide). For example, it can be known from the S12 curve and the S21 curve that the isolation of the first radiator 311 and the second radiator 321 is below -15.

[0178] On this basis, curve ① in FIG. 25 is an antenna radiation efficiency curve of the first radiator 311, and curve ② is an antenna system efficiency curve of the first radiator 311. Curve ③ is an antenna radiation efficiency curve of the second radiator 321, and curve ④ is an antenna system efficiency curve of the second radiator 321.

[0179] As can be seen from FIG. 25, the positions of ① (2, -2.603949) and ② (2, -2.148398) are about 2 GHz, which can indicate that the first radiator 311 and the second radiator 321 after coupling are the same frequency. In addition, the first radiator 311 and the second radiator 321 affect each other, so that the curves ① and ② have efficiency pits at about 2 GHz. Similarly, the isolation between the first radiator 311 and the second radiator 321 is good, so the above-mentioned efficiency pits are not obvious.

[0180] Alternatively, in some other embodiments of the present application, as shown in Fig. 26, when the second radiator 321 comprises the first branch 331 and the second branch 332 which are arranged at intervals, the second branch 332 is located on the side of the first branch 331 which is away from the first rotation axis 61, i.e. the second branch 332 is close to the side edge of the second metal frame 52. When the first branch 331 is arranged towards the first rotation axis 61, the first branch 331 can be connected to the part of the branch of the top of the first metal frame 51 which is towards the first rotation axis 61 as an integral structure. In this case, the satellite antenna 31 with the first radiator 311, the second branch 332 and the first branch 331 can work in the DM mode. Similarly, the second branch 332 and the first branch 331 can adjust the directional diagram of the first radiator 311 through radiation and current confinement, so as to reduce the probability of the directional diagram of the whole satellite antenna 31 being deviated to one side and achieve the effect of wide beam.

[0181] On this basis, as shown in Fig. 27, curve ① is the S11 (antenna return loss of the first radiator 311) curve, and curve ② is the S22 curve (antenna return loss of the second radiator 321). For example, it can be known from the S11 curve that the frequency of the resonance point ① of the first radiator 311 (2, -19.25239) is about 2 GHz. It can be known from the S22 curve that the frequency of the resonance point ② of the first branch 331 in the second radiator 321 (2, -22.27347) is about 2 GHz, and the frequency of the resonance point ③ of the second branch 332 in the second radiator 321 is about 2.2 GHz. In addition, curve ③ is the S12 curve and the S21 curve (the S12 curve and the S21 curve coincide). For example, it can be known from the S12 curve and the S21 curve that the isolation of the first radiator 311 and the second radiator 321 is below -15.

[0182] On this basis, as shown in Fig. 28, curve ① is the antenna radiation efficiency curve of the first radiator 311, and curve ② is the antenna system efficiency curve of the first radiator 311. Curve ③ is the antenna radiation efficiency curve of the second radiator 321, and curve ④ is the antenna system efficiency curve of the second radiator 321.

[0183] As can be seen from Fig. 28, the positions of ① (2, -2.618512) and ② (2, -2.600591) are about 2 GHz, which can indicate that the first radiator 311 and the second radiator 321 after coupling are the same frequency. In addition, the first radiator 311 and the second radiator 321 influence each other, so that the efficiency pits of curve ① and curve ② are at about 2 GHz. Similarly, the isolation between the first radiator 311 and the second radiator 321 is good, so the above-mentioned efficiency pits are not obvious.

[0184] Alternatively, in some other embodiments of the present application, as shown in FIG. 29, in the case where the second radiator 321 includes the first branch 331 and the second branch 332 arranged at intervals, the second branch 332 is located on the side of the first branch 331 away from the first rotation axis 61, i.e. the second branch 332 is close to the side edge of the second metal frame 52. On this basis, the antenna device 30 can further include a first capacitor C1, two ends of the first capacitor C1 being coupled with the first branch 331 and the second branch 332 respectively. The second branch 332 and the first branch 331 can be coupled through the first capacitor C1 and coupled with the first radiator 311 as the satellite antenna 31, and the satellite antenna 31 can work in the DM mode. Similarly, the second branch 332 and the first branch 331 can adjust the directional diagram of the first radiator 311 through radiation and current suppression, so as to reduce the probability of the directional diagram of the entire satellite antenna 31 deviating to one side, and achieve the effect of wide beam.

[0185] On this basis, as shown in FIG. 30, curve ① is an S11 (antenna return loss of the first radiator 311) curve, and curve ② is an S22 curve (antenna return loss of the second radiator 321). For example, it can be known from the S11 curve that the resonant frequency point ① of the first radiator 311 (2, -19.86842) is about 2 GHz. It can be known from the S22 curve that the resonant frequency point ② of the first branch 331 in the second radiator 321 (2, -23.49496) is about 2 GHz, and the resonant frequency point ④ of the second branch 332 in the second radiator 321 is about 2.8 GHz. In addition, curve ③ is an S12 curve and an S21 curve (wherein the S12 curve and the S21 curve coincide). For example, it can be known from the S12 curve and the S21 curve that at the resonant frequency point ③ (1.990464, -15.11379), the isolation of the first radiator 311 and the second radiator 321 is below -15.

[0186] On this basis, as shown in FIG. 31, curve ① is an antenna radiation efficiency curve of the first radiator 311, and curve ② is an antenna system efficiency curve of the first radiator 311. Curve ③ is an antenna radiation efficiency curve of the second radiator 321, and curve ④ is an antenna system efficiency curve of the second radiator 321.

[0187] As can be seen from FIG. 31, the positions of ① (2, -2.826225) and ② (2, -2.080672) are about 2 GHz, which can indicate that the first radiator 311 and the second radiator 321 after coupling are the same frequency. In addition, the first radiator 311 and the second radiator 321 influence each other, so that the curves ① and ② have efficiency pits at about 2 GHz. Similarly, the isolation between the first radiator 311 and the second radiator 321 is good, so the above-mentioned efficiency pits are not obvious.

[0188] Alternatively, in some other embodiments of the present application, as shown in Fig. 32, in the case where the second radiator 321 comprises a first branch 331 and a second branch 332 arranged at intervals, and a first capacitor C1 coupled with the first branch 331 and the second branch 332, in addition, different from the structure shown in Fig. 29, the second branch 332 is located on the side of the first branch 331 facing the first rotation shaft 61, i.e. the second branch 332 is arranged towards the first rotation shaft 61.

[0189] Similarly, the first radiator 311 and the second branch 332, the first branch 331 can be coupled as the satellite antenna 31 described above, and the satellite antenna 31 can work in the DM mode. Similarly, the second branch 332 and the first branch 331 described above can adjust the directional diagram of the first radiator 311 through radiation and current suppression, so as to reduce the probability of the antenna directional diagram of the whole satellite antenna 31 deviating to one side, and realize the effect of wide beam.

[0190] On this basis, as shown in Fig. 33, curve ① is the S11 (antenna return loss of the first radiator 311) curve, and curve ② is the S22 curve (antenna return loss of the second radiator 321). For example, it can be known from the S11 curve that the resonance frequency point ① of the first radiator 311 (2, -18.71989) is about 2 GHz. It can be known from the S22 curve that the resonance frequency point ② of the first branch 331 in the second radiator 321 (2, -16.67265) is about 2 GHz, and the resonance frequency point ④ of the second branch 332 in the second radiator 321 is about 2.9 GHz. In addition, curve ③ is the S12 curve and the S21 curve (wherein the S12 curve and the S21 curve coincide). For example, it can be seen from the S12 curve and the S21 curve that at the resonance frequency point ③ (2, -31.99065), the isolation of the first radiator 311 and the second radiator 321 is below -15.

[0191] On this basis, as shown in Fig. 34, curve ① is the antenna radiation efficiency curve of the first radiator 311, and curve ② is the antenna system efficiency curve of the first radiator 311. Curve ③ is the antenna radiation efficiency curve of the second radiator 321, and curve ④ is the antenna system efficiency curve of the second radiator 321.

[0192] As can be seen from FIG. 34, the position of point ① (2, -2.647966) and the position of point ② (2, -1.993691) are at about 2 GHz, which indicates that the first radiator 311 and the second radiator 321 after coupling are the same frequency. In addition, the first radiator 311 and the second radiator 321 affect each other, so that the curve ① and the curve ② have efficiency pits at about 2 GHz. Similarly, the isolation between the first radiator 311 and the second radiator 321 is good, so the above-mentioned efficiency pits are not obvious.

[0193] The top of the second metal frame 52 in FIGS. 23, 26, 29 and 32 only shows the first branch 331 and the second branch 332 in the second radiator 321, and the top of the first metal frame 51 only shows the first radiator 311, which is taken as an example for illustration. In other embodiments of the present application, the top of the second metal frame 52 and the first metal frame 51 can also include other branches, and the present application does not limit the distribution position and the number of the above-mentioned other branches.

[0194] The above is taken as an example of the electronic device 01 as a two-fold machine for illustration. In other embodiments of the present application, the electronic device 01 can also be a three-fold machine as shown in FIG. 35. In this case, the electronic device can include a first rotating shaft 61 and a second rotating shaft 62. The electronic device includes three metal frames, which are the first metal frame 51, the second metal frame 52 and the third metal frame 53. The first metal frame 51 and the second metal frame 52 are respectively rotatably connected with the first rotating shaft 61. The second metal frame 52 and the third metal frame 53 are respectively rotatably connected with the second rotating shaft 62.

[0195] In addition, as shown in FIG. 35, a part of the first metal frame 51 is shared by the first radiator 311. A part of the second metal frame 52 or a part of the third metal frame 53 is shared by the second radiator 321, and the first radiator 311 and the second radiator 321 are located at the same end of the first rotating shaft 61. For example, the second radiator 321 can include the first branch 331. FIG. 35 is taken as an example of a part of the second metal frame 52 shared by the second radiator 321 for illustration. The setting mode of a part of the third metal frame 53 shared by the second radiator 321 is as described above, which will not be described here. When a part of the third metal frame 53 is shared by the second radiator 321, the second radiator 321 and the first radiator 311 are separated by the first rotating shaft 61 and the second rotating shaft 62. Based on this, the electrical length and the physical length of the first radiator and the second radiator can be adjusted as needed, so that the isolation between the first radiator 311 and the second radiator 321 is less than or equal to -10 dB. The technical effects of the setting positions of the above-mentioned first radiator 311 and the second radiator 321 in the metal frame are as described above, which will not be described here.

[0196] In some other embodiments of the present application, the above is exemplified by taking the case that the second radiator 321 includes the first branch 331. In some other embodiments of the present application, as shown in FIG. 36, a part of the second metal frame 52 is shared by the second radiator 321, in which case the second radiator 321 can include the first branch 331 and the second branch 332 arranged at intervals. The first branch 331 and the second branch 332 can be coupled through the first capacitor C1. Alternatively, the first branch 331 and the second branch 332 can also be coupled in the above-mentioned manners. The technical effects of the first branch 331 and the second branch 332 are the same as described above, and will not be repeated here.

[0197] Alternatively, in some other embodiments of the present application, as shown in FIG. 37, in the case that the second radiator 321 includes the first branch 331 and the second branch 332 arranged at intervals, a part of the third metal frame 53 is shared by the second radiator 321. The first branch 331 is located on the side of the second branch 332 away from the second rotation axis 62, or the first branch 331 is located on the side of the second branch 332 facing the second rotation axis 62. Similarly, the first branch 331 and the second branch 332 can be coupled through the first capacitor C1. Alternatively, the first branch 331 and the second branch 332 can also be coupled in the above-mentioned electrically parasitic or magnetically parasitic manners. The technical effects of the first branch 331 and the second branch 332 are the same as described above, and will not be repeated here.

[0198] The above is exemplified by taking the case that the electronic device 01 is a three-fold machine, and a part of the second metal frame 52 or a part of the third metal frame 53 is shared by the second radiator 321. In some other embodiments of the present application, as shown in FIG. 38, the antenna device includes two second radiators 321, a part of the second metal frame 52 is shared by one of the two second radiators 321, and a part of the third metal frame 53 is shared by the other of the two second radiators 321. The above-mentioned two second radiators and the first radiator 311 shared with the first metal frame 51 can be located at the same end of the first rotation axis 61. Similarly, the above-mentioned second radiator 321 can include one branch (for example, the above-mentioned first branch), or the second radiator 321 can include the first branch 331 and the second branch 332 arranged at intervals as shown in FIG. 37. The first branch 331 and the second branch 332 can be coupled through the first capacitor C1. Alternatively, the first branch 331 and the second branch 332 can also be coupled in the above-mentioned electrically parasitic or magnetically parasitic manners. The technical effects of the first branch 331 and the second branch 332 are the same as described above, and will not be repeated here.

[0199] The above is an example of the electronic device 01 as a straight machine, a two-fold machine, and a three-fold machine. In some other embodiments of the present application, the electronic device 01 can also be a multi-fold machine with more than three folds. The arrangement of the first radiator 311 and the second radiator 321 is as described above, and will not be repeated here.

[0200] The above is merely a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any change or replacement within the technical scope disclosed in the present application should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. An antenna device, characterized by The antenna device comprises: a first radiator; a satellite communication chip coupled with the first radiator to form a satellite antenna; the satellite communication chip is configured to excite the first radiator to work in a working state to transmit and / or receive radio frequency signals in a satellite working frequency band; a second radiator; a first radio frequency communication chip coupled with the second radiator, and the first radio frequency communication chip is configured to excite the second radiator to work in a working state to transmit and / or receive radio frequency signals in a first working frequency band; a floor and a first tuning circuit, the first tuning circuit being coupled between the second radiator and the floor; a first impedance matching network coupled between the second radiator and the first radio frequency communication chip; wherein, in the working state of the second radiator, resonance generated by the first tuning circuit, the first impedance matching network and the second radiator is used to cover the first working frequency band; or, in the working state of the first radiator, the second radiator and the first radiator are coupled to share at least part of the satellite antenna, and the first tuning circuit, the first impedance matching network and the second radiator are used to adjust an antenna pattern of the satellite antenna.

2. The antenna device of claim 1, wherein The antenna device further comprises: a first radio frequency switch coupled between the first impedance matching network and the first radio frequency communication chip; wherein, in the working state and the non-working state of the second radiator, the first radio frequency switch is used to turn on the first impedance matching network and the first radio frequency communication chip, so that the first radio frequency communication chip is coupled with the second radiator.

3. The antenna device of claim 1, wherein The antenna device further comprises: a second impedance matching network; a first radio frequency switch coupled between the first impedance matching network and the first radio frequency communication chip, and the first radio frequency switch is further coupled between the first impedance matching network and the second impedance matching network; wherein, in the working state of the second radiator, the first radio frequency switch is used to turn on the first impedance matching network and the first radio frequency communication chip, so that the first radio frequency communication chip is coupled with the second radiator; in the working state of the first radiator, the first radio frequency switch is used to turn on the first impedance matching network and the second impedance matching network, and the second radiator is in a non-working state.

4. The antenna device of claim 3, wherein The resistance value of the second impedance matching network is 45Ω-55Ω.

5. The antenna device according to any one of claims 2-4, further comprising a second radio frequency communication chip, and the first radio frequency switch is further coupled between the second radiator and the second radio frequency communication chip; the second radio frequency communication chip is configured to excite the second radiator to work in a working state to transmit and / or receive radio frequency signals in a second working frequency band; wherein, in the working state of the second radiator, the first radio frequency switch is used to turn on the second radiator and the second radio frequency communication chip, so that the second radio frequency communication chip is coupled with the second radiator. ​ 6. The antenna device of any one of claims 1-5, wherein: the second radiator comprises a first branch, the first branch is strip-shaped, and the first branch has the first electrical connection end; and the first radio frequency communication chip and the first tuning circuit are coupled to the first electrical connection end.

7. The antenna device of claim 6, wherein: the second radiator further comprises a second branch, and the second branch is spaced apart from the first branch.

8. The antenna device of claim 7, wherein: the antenna device further comprises a first capacitor, and the first capacitor is coupled to the first branch and the second branch.

9. The antenna device of claim 7, wherein, In a case where the second radiator and the first radiator are coupled to share at least a portion of the satellite antenna, the first tuning circuit, the first impedance matching network, and a resonance of the second radiator are configured to cover a range of ±150 MHz around a center frequency of the satellite operating frequency band.

10. An electronic device, comprising: comprise: at least one metal frame; the antenna device of any one of claims 1-9; a portion of the at least one metal frame is shared by the first radiator and the second radiator in the antenna device.

11. The electronic device of claim 10, wherein: the metal frame comprises a top frame, a first side frame, a bottom frame, and a second side frame connected in sequence end to end; a portion of the top frame is shared by the first radiator; and a portion of the first side frame or a portion of the second side frame is shared by the second radiator.

12. The electronic device of claim 10, wherein: the metal frame comprises a top frame, a first side frame, a bottom frame, and a second side frame connected in sequence end to end; the antenna device comprises two second radiators; a portion of the first side frame is shared by one of the two second radiators, and a portion of the second side frame is shared by the other of the two second radiators.

13. The electronic device of claim 12, wherein: the antenna device comprises one first radio frequency communication chip; and the first radio frequency communication chip is coupled to both of the second radiators; or the antenna device comprises two first radio frequency communication chips; one of the two first radio frequency communication chips is coupled to the second radiator shared by the first side frame, and the other of the two first radio frequency communication chips is coupled to the second radiator shared by the second side frame.

14. The electronic device of claim 10, wherein: the metal frame comprises a top frame, a first side frame, a bottom frame, and a second side frame connected in sequence end to end; a first portion of the top frame is shared by the first radiator; a second portion of the top frame and a portion of the first side frame facing the top frame are shared by the second radiator; a portion of the second radiator shared by the top frame is grounded, and a portion of the second radiator shared by the first side frame is coupled to a first radio frequency communication chip in the antenna device. ​ 15. The electronic device of claim 10, wherein: the electronic device further comprises a first rotating shaft; the electronic device comprises two metal frames, a first metal frame and a second metal frame; the first metal frame and the second metal frame are respectively rotatably connected to the first rotating shaft; a part of the first metal frame is shared as the first radiator, and a part of the second metal frame is shared as the second radiator; the first radiator and the second radiator are located at the same end of the first rotating shaft.

16. The electronic device of claim 10, wherein: the electronic device further comprises a first rotating shaft and a second rotating shaft; the electronic device comprises three metal frames, a first metal frame, a second metal frame, and a third metal frame; the first metal frame and the second metal frame are respectively rotatably connected to the first rotating shaft; the second metal frame and the third metal frame are respectively rotatably connected to the second rotating shaft; a part of the first metal frame is shared as the first radiator; a part of the second metal frame or a part of the third metal frame is shared as the second radiator; the first radiator and the second radiator are located at the same end of the first rotating shaft.

17. The electronic device of claim 15 or 16, wherein, a part of the second metal frame is shared as the second radiator; the second radiator comprises a first branch and a second branch; the second branch and the first branch are spaced apart; the first branch is located on a side of the second branch away from the first rotating shaft, or the first branch is located on a side of the second branch facing the first rotating shaft.

18. The electronic device of claim 16, wherein, a part of the third metal frame is shared as the second radiator; the second radiator comprises a first branch and a second branch; the second branch and the first branch are spaced apart; the first branch is located on a side of the second branch away from the second rotating shaft, or the first branch is located on a side of the second branch facing the second rotating shaft.

19. The electronic device of claim 10, wherein: the electronic device further comprises a first rotating shaft and a second rotating shaft; the electronic device comprises three metal frames, a first metal frame, a second metal frame, and a third metal frame; the first metal frame and the second metal frame are respectively rotatably connected to the first rotating shaft; the first metal frame and the third metal frame are respectively rotatably connected to the second rotating shaft; a part of the first metal frame is shared as the first radiator; the antenna device comprises two second radiators; a part of the second metal frame is shared as one of the two second radiators, and a part of the third metal frame is shared as the other of the two second radiators; the first radiator and the two second radiators are located at the same end of the first rotating shaft.

20. The electronic device of any of claims 10-19, wherein, an isolation degree of the first radiator and the second radiator is less than or equal to -10 dB.

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