Electronic device

Abstract

The invention provides electronic equipment, a first radiator is arranged opposite to a first side of a floor, the first radiator comprises a first end, a first feeding point and a second end which are arranged in sequence, and the second end is grounded; the second radiator comprises a third end, a second feeding point and a fourth end which are arranged in sequence, the third end is arranged opposite to the first side and spaced from the second end, and the fourth end is arranged opposite to the second side of the floor; the signal source is used for exciting the first radiator to generate a first resonance current flowing along the direction from the second end to the first end and a second resonance current flowing along the direction from the second end to the first side on the floor; and the excitation unit is used for exciting the second radiator to generate a third resonance current flowing in the direction from the second feeding point to the third end and a fourth resonance current flowing in the direction from the fourth end to the first side on the floor, so that the first radiator and the second radiator jointly support transmission of wireless signals. Therefore, the electronic equipment provided by the invention has better antenna performance.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to an electronic device. Background Art

[0002] With the development of communication technology, electronic devices such as smartphones can realize more and more functions, and the communication modes of electronic devices are also more diversified. Each communication mode requires a corresponding antenna to support it. The performance of the antenna will directly determine the communication quality and the user experience.

[0003] However, with the development of electronic technology, electronic devices are becoming increasingly smaller, lighter and thinner, and the space for arranging antennas inside electronic devices is also becoming smaller and smaller, which means that the performance of antennas needs to be improved. Summary of the invention

[0004] The present application provides an electronic device having an excellent antenna performance.

[0005] The present application provides an electronic device, including:

[0006] A floor, comprising a first side and a second side connected by a bend;

[0007] A first radiator is arranged relative to the first side, the first radiator comprises a first end, a first feeding point and a second end which are arranged in sequence, and the second end is electrically connected to the floor to achieve grounding;

[0008] A second radiator includes a third end, a second feeding point and a fourth end which are arranged in sequence, wherein the third end is arranged opposite to the first side and spaced apart from the second end, and the fourth end is arranged opposite to the second side; and

[0009] A signal source is electrically connected to the first feeding point and the second feeding point respectively; wherein,

[0010] The signal source is used to excite the first radiator to generate a first resonant current flowing from the second end to the first end on the floor and a second resonant current flowing from the second end away from the first edge, and is used to excite the second radiator to generate a third resonant current flowing from the second feeding point to the third end on the floor and a fourth resonant current flowing from the fourth end toward the first edge, so that the first radiator and the second radiator jointly support the transmission and reception of wireless signals.

[0011] In the electronic device of the present application, a signal source is electrically connected to the first feeding point and the second feeding point respectively, and the first radiator and the second radiator can form a co-feed antenna. Under the excitation of the signal source, the first radiator can generate a first resonant current flowing in the direction from the second end to the first end of the first radiator and a second resonant current flowing in the direction from the second end away from the first side on the floor; under the excitation of the signal source, the second radiator can generate a third resonant current flowing in the direction from the second feeding point to the third end and a fourth resonant current flowing in the direction from the fourth end toward the first side on the floor, so that the third resonant current and the first resonant current flow in the same direction and superimpose on each other, and the second resonant current and the fourth resonant current flow in opposite directions and cancel each other out, so that the co-feed antenna formed by the first radiator and the second radiator The overall resonant current generated by the excitation of the floor can flow along the extension direction of the first radiator, and the co-feed antenna has better antenna performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative work.

[0013] Figure 1 A first structural schematic diagram of an electronic device provided in an embodiment of the present application.

[0014] Figure 2 for Figure 1 Schematic diagram of the first current distribution of the electronic device shown.

[0015] Figure 3 for Figure 1 Schematic diagram of the second current distribution of the electronic device shown.

[0016] Figure 4 for Figure 1 Schematic diagram of the third current distribution of the electronic device shown.

[0017] Figure 5 for Figure 1 A schematic diagram of an S11 parameter curve of an electronic device is shown.

[0018] Figure 6 for Figure 1 A schematic diagram of an antenna efficiency curve of an electronic device is shown.

[0019] Figure 7 A second structural schematic diagram of an electronic device provided in an embodiment of the present application.

[0020] Figure 8A third structural schematic diagram of the electronic device provided in an embodiment of the present application.

[0021] Fig. 9 A fourth structural schematic diagram of an electronic device provided in an embodiment of the present application.

[0022] Fig.10 A fifth structural schematic diagram of an electronic device provided in an embodiment of the present application.

[0023] Fig.11 A sixth structural schematic diagram of an electronic device provided in an embodiment of the present application.

[0024] Fig.12 A seventh structural schematic diagram of an electronic device provided in an embodiment of the present application.

[0025] Fig.13 for Fig.12 A holding posture of the electronic device shown.

[0026] Fig.14 for Fig.12 Another holding posture of the electronic device is shown.

[0027] Fig.15 for Fig.12 The antenna radiation performance diagram of the electronic device shown in different scenarios.

[0028] Fig.16 for Fig.12 The figure shows a schematic diagram of an S-parameter curve of an electronic device in different scenarios.

[0029] Fig.17 for Fig.12 The figure shows a schematic diagram of an antenna efficiency curve of an electronic device in different scenarios. DETAILED DESCRIPTION

[0030] The following will be combined with the attached examples of the present application Figure 1 To Attachment Fig.17 , the technical solutions in the embodiments of the present application are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0031] The embodiment of the present application provides an electronic device 10, which can be a smart phone, a tablet computer, or a gaming device, an augmented reality (AR) device, an automotive device, a data storage device, an audio playback device, a video playback device, a laptop computer, a desktop computing device, etc. The electronic device 10 has a wireless communication function. For example, the electronic device 10 can transmit wireless fidelity (Wi-Fi) signals, global positioning system (GPS) signals, third-generation mobile communication technology (3rd-Generation, 3G), fourth-generation mobile communication technology (4th-Generation, 4G), fifth-generation mobile communication technology (5th-Generation, 5G), near field communication (NFC) signals, Bluetooth (BT) signals, ultra-wideband communication (UWB) signals, etc.

[0032] Among them, please refer to Figure 1 , Figure 1 The first structural diagram of the electronic device 10 provided in the embodiment of the present application is as follows. The electronic device 10 includes a first radiator 110 , a second radiator 120 , a signal source 130 and a floor 140 .

[0033] The floor 140 may form a common ground for the electronic device 10. The floor 140 includes a first side 141 and a second side 142 connected in a bent manner. The first side 141 may extend along a first direction H1, and the second side 142 may extend along a second direction H2. The first direction H1 intersects with the second direction H2, and for example, the first direction H1 may be perpendicular to the second direction H2. The first radiator 110 is disposed relative to the first side 141. The first radiator 110 includes a first end 111, a first feeding point 112, and a second end 113 arranged in sequence. The second end 113 is electrically connected to the floor 140 to achieve grounding. The second end 113 is a grounding end of the first radiator 110. The first end 111 is a free end, an open end, or a terminal end of the first radiator 110. The second radiator 120 includes a third end 121, a second feeding point 122 and a fourth end 123 arranged in sequence, the third end 121 is arranged relative to the first side 141 of the floor 140 and is spaced apart from the second end 113 of the first radiator 110, and the fourth end 123 is arranged relative to the second side 142 of the floor 140, so that part of the second radiator 120 can be arranged relative to the first side 141, and another part of the second radiator 120 can be arranged relative to the second side 142; wherein the second feeding point 122 can be arranged relative to the first side 141 of the floor 140, and can also be arranged relative to the second side 142 of the floor 140.

[0034] It is understandable that the floor 140 may be a plane or structure with zero electric potential. The floor 140 may be formed by a conductor, a printed circuit, or a metal printed layer in the electronic device 10; or, the floor 140 may be formed on a main board, a small board, or other supporting board of the electronic device 10; or, the floor 140 may also be formed on a frame of the electronic device 10 (such as the middle board 320 described later). The embodiment of the present application does not limit the specific setting position of the floor 140. Among them, the second end 113 of the first radiator 110 may be, but is not limited to, grounded to the floor 140 in the form of a grounding pad, a grounding spring, or the like.

[0035] It can be understood that the first feeding point 112 of the first radiator 110 can be close to the second end 113 of the first radiator 110 and away from the first end 111, and the first radiator 110 can be in the form of an inverted-F antenna (IFA). Of course, the first feeding point 112 can also be set in other areas, and the embodiments of the present application are not limited to this. The second feeding point 122 of the second radiator 120 can be set in the middle area of ​​the third end 121 and the fourth end 123. For example, the distance between the second feeding point 122 and the third end 121 can be between one-half and two-thirds of the length of the entire branch of the second radiator 120. Of course, the second feeding point 122 can also be set in other areas, and the embodiments of the present application are not limited to this.

[0036] It can be understood that the signal source 130 can convert high-frequency excitation current or bound electromagnetic waves into radiated electromagnetic energy. For example, the signal source 130 can provide an excitation signal to the first radiator 110 and the second radiator 120, and the excitation signal can excite the first radiator 110 and the second radiator 120 to support wireless signal transmission; at the same time, the first radiator 110 and the second radiator 120 can also capture and bind electromagnetic waves in the free space and transmit them to the signal source 130 to form a current signal, so that the first radiator 110 and the second radiator 120 support the reception of wireless signals.

[0037] It can be understood that the signal source 130 can be electrically connected to the first radiator 110 and the second radiator 120 at the same time, so that the first radiator 110 and the second radiator 120 can simultaneously support wireless signals of the same frequency band, and the first radiator 110 and the second radiator 120 can form a co-feed antenna. The signal source 130 can be electrically connected to the first feeding point 112 and the second feeding point 122 respectively, and the signal source 130 can provide an excitation signal to the first radiator 110 through the first feeding point 112 and simultaneously provide an excitation signal to the second radiator 120 through the second feeding point 122, so as to excite the first radiator 110 and the second radiator 120 to generate a resonant mode and generate a resonant current.

[0038] For example, please combine Figure 1 And refer to Figure 2 and Figure 3 , Figure 2 for Figure 1 The first current distribution diagram of the electronic device 10 is shown. Figure 3 for Figure 1 A second current distribution diagram of the electronic device 10 is shown. The signal source 130 can excite the first radiator 110 to generate a first resonant current I1 on the floor 140 that flows along the direction from the second end 113 to the first end 111 (or along the extension direction of the first edge 141 and away from the second edge 142) and a second resonant current I2 that flows along the direction from the second end 113 away from the first edge 141 (or along the extension direction of the second edge 142 and away from the first edge 141), and is used to excite the second radiator 120 to generate a third resonant current I3 on ​​the floor 140 that flows along the direction from the second feeding point 122 to the third end 121 (or from the third end 121 to the second end 113, or along the extension direction of the first edge 141 and away from the second edge 142) and a fourth resonant current I4 that flows along the direction from the fourth end 123 toward the first edge 141 (or along the extension direction of the second edge 142 and toward the first edge 141), so that the first radiator 110 and the second radiator 120 jointly support the transmission of wireless signals.

[0039] It can be understood that the first radiator 110 is arranged relative to the first side 141 of the floor 140, which may mean that the projection of the first radiator 110 on the floor 140 (for example, the projection along the second direction H2) may be located on the first side 141 of the floor 140. The first radiator 110 may be arranged to extend along the extension direction (first direction H1) of the first side 141 of the floor 140, so that the first resonant current I1 generated on the floor 140 by the signal source 130 exciting the first radiator 110 may flow along the first direction H1 and toward the side where the first end 111 of the first radiator 110 is located (for example, at Figure 2 The first resonant current I1 flows upward along the first direction H1), and the first resonant current I1 may be a longitudinal current; the second resonant current I2 generated by the signal source 130 exciting the first radiator 110 on the floor 140 may flow along the second direction H2 and away from the first radiator 110 (for example, in Figure 2 The first resonant current I1 flows to the right along the second direction H2) and the second resonant current I2 can be a transverse current. The first radiator 110 can support the reception and transmission of wireless signals together with the second radiator 120 in the form of an inverted F antenna (reception and transmission include reception and transmission, which will not be repeated below).

[0040] It can be understood that the first resonant current I1 and the second resonant current I2 can be either the resonant current flowing on the first radiator 110 and formed on the floor 140 after the second end 113 is grounded, or the induced current generated on the floor 140, which is not limited in the embodiment of the present application. Among them, the first resonant current I1 and the second resonant current I2 are only the flow directions of part of the resonant current generated on the floor 140 by the signal source 130 stimulating the first radiator 110. It should be understood that resonant currents with other flow directions can also be generated on the floor 140, but these resonant currents can be decomposed into resonant current components along the flow direction of the first resonant current I1 and the flow direction of the second resonant current I2, which is not limited in the embodiment of the present application.

[0041] It can be understood that the second radiator 120 is arranged relative to the first side 141 and the second side 142 of the floor 140, so that the extension directions of the third end 121 and the fourth end 123 of the second radiator 120 are different. For example, the second radiator 120 also has a corner point, and the radiation section between the third end 121 and the corner point can be arranged relative to the first side 141 and extend along the first direction H1, and the radiation section between the corner point and the fourth end 123 can be arranged relative to the second side 142 and extend along the second direction H2. Therefore, the third resonant current I3 generated by the signal source 130 stimulating the second radiator 120 on the floor 140 can flow along the first direction H1 and in the direction toward the third end 121 of the second radiator 120 (for example, in Figure 3 The third resonant current I3 flows upward along the first direction H1), and the third resonant current I3 may be a longitudinal current; the fourth resonant current I4 generated by the signal source 130 exciting the second radiator 120 on the floor 140 may flow along the second direction H2 and toward the second radiator 120 (for example, in Figure 3 The fourth resonant current I4 flows leftward along the second direction H2), the fourth resonant current I4 may be a transverse current, and the second radiator 120 may support the transmission and reception of wireless signals together with the first radiator 110 in the form of an inverted F antenna.

[0042] It can be understood that the second feeding point 122 of the second radiator 120 can be set on the radiation section between the third end 121 and the corner point of the second radiator 120, and can also be set on the radiation section from the corner point to the fourth end 123. When the second feeding point 122 is set on the radiation section between the third end 121 and the corner point, the signal source 130 can excite the second radiator 120 to generate more third resonant current I3 components on the floor 140. The embodiment of the present application does not limit the specific setting position of the second feeding point 122.

[0043] It can be understood that the branch length of the second radiator 120 relative to the first side 141 can be greater than the branch length of the second radiator 120 relative to the second side 142. In other words, the length of the second radiator 120 along the first direction H1 can be greater than the length of the second radiator 120 along the second direction H2, so that the component of the third resonant current I3 excited by the second radiator 120 on the floor 140 can be greater than the component of the fourth resonant current I4, and the fourth resonant current I4 is more likely to offset the second resonant current I2, so that the antenna performance of the electronic device 10 is better.

[0044] It can be understood that the third resonant current I3 and the fourth resonant current I4 can be either the resonant current formed on the floor 140 after the resonant current flowing on the second radiator 120 is grounded, or the induced current generated on the floor 140, which is not limited in the embodiment of the present application. Among them, the third resonant current I3 and the fourth resonant current I4 are only the flow directions of part of the resonant current generated on the floor 140 by the signal source 130 stimulating the second radiator 120. It should be understood that resonant currents with other flow directions can also be generated on the floor 140, but these resonant currents can be decomposed into resonant current components along the flow direction of the third resonant current I3 and the flow direction of the fourth resonant current I4, which is not limited in the embodiment of the present application.

[0045] Understandably, compared Figure 2 and Figure 3 As can be seen from the resonant current distribution shown, the current flow direction of the first resonant current I1 generated by the first radiator 110 exciting the floor 140 is the same as the current flow direction of the third resonant current I3 generated by the second radiator 120 exciting the floor 140; the current flow direction of the second resonant current I2 generated by the first radiator 110 exciting the floor 140 is opposite to the current flow direction of the fourth resonant current I4 generated by the second radiator 120 exciting the floor 140; therefore, please refer to Figure 4 , Figure 4 for Figure 1 The third current distribution diagram of the electronic device 10 is shown. When the signal source 130 excites the first radiator 110 and the second radiator 120 at the same time, the second resonant current I2 and the fourth resonant current I4 generated by the first radiator 110 and the second radiator 120 on the floor 140 can cancel each other, and the first resonant current I1 and the third resonant current I3 can be superimposed on each other and flow upward along the first direction H1. Based on this, the signal source 130 can excite the first radiator 110 and the second radiator 120 to jointly generate the same direction resonant current flowing along the first direction H1 on the floor 140, and the radiation performance of the first radiator 110 and the second radiator 120 when jointly supporting the wireless signal is better.

[0046] For example, see Figure 5 and Figure 6 , Figure 5 for Figure 1 A schematic diagram of an S11 parameter curve of the electronic device 10 is shown, Figure 6 for Figure 1 The electronic device 10 shown is a schematic diagram of an antenna efficiency curve. Figure 5 The middle curve L1 is the S11 parameter curve when the signal source 130 provides an excitation signal to the first radiator 110 alone, the curve L2 is the S11 parameter curve when the signal source 130 provides an excitation signal to the second radiator 120 alone, and the curve L3 is the S11 parameter curve when the signal source 130 provides an excitation signal to both the first radiator 110 and the second radiator 120. Figure 6 Curves L4 and L5 are the radiation efficiency curves and system efficiency curves when the signal source 130 provides an excitation signal to the first radiator 110 alone, curves L6 and L7 are the radiation efficiency curves and system efficiency curves when the signal source 130 provides an excitation signal to the second radiator 120 alone, and curves L8 and L9 are the radiation efficiency curves and system efficiency curves when the signal source 130 provides an excitation signal to both the first radiator 110 and the second radiator 120. By comparing curves L1 to L3, it can be seen that when the signal source 130 is electrically connected to the first radiator 110 and the second radiator 120 at the same time so that the first radiator 110 and the second radiator 120 form a co-feed antenna, the S11 performance of the co-feed antenna is better than the performance when the first radiator 110 or the second radiator 120 is fed alone, the S11 performance of the co-feed antenna is better, the -3dB working bandwidth of the co-feed antenna is wider, and the radiation performance of the co-feed antenna is better. Comparing curves L4 to L9, it can be seen that in the B5 frequency band (0.824GHz-0.896GHz), the radiation efficiency of the co-feed antenna is 2.3dB and 1.2dB higher than that of the first radiator 110 and the second radiator 120 respectively; the system efficiency averages of the co-feed antenna, the first radiator 110 and the second radiator 120 are -4.7dB, -7.6dB and -6.2dB respectively, and the system efficiency average of the co-feed antenna is 2.9dB and 1.5dB higher than that of the first radiator 110 and the second radiator 120 respectively. Therefore, the antenna performance of the co-feed antenna formed by the first radiator 110 and the second radiator 120 in the embodiment of the present application is much higher than that of the first radiator 110 and the second radiator 120 respectively, and the antenna performance of the co-feed antenna is better.

[0047] In the electronic device 10 of the embodiment of the present application, the signal source 130 is electrically connected to the first feeding point 112 and the second feeding point 122 respectively, the first radiator 110 and the second radiator 120 can form a co-feed antenna, and the first radiator 110, under the excitation of the signal source 130, can generate a first resonant current I1 flowing from the second end 113 of the first radiator 110 to the first end 111 on the floor 140 and a second resonant current I2 flowing from the second end 113 away from the first side 141; the second radiator 120, under the excitation of the signal source 130, can generate a first resonant current I1 flowing from the third end 121 to the second end 111 on the floor 140. 13 and the fourth resonant current I4 flows along the fourth end 123 toward the first side 141. The third resonant current I3 flows in the same direction as the first resonant current I1 and superimposes on each other. The second resonant current I2 and the fourth resonant current I4 flow in opposite directions and cancel each other out. Therefore, the co-fed antenna formed by the first radiator 110 and the second radiator 120 is excited on the floor 140 to generate an overall resonant current that can flow along the first direction H1. The co-fed antenna has better antenna performance. Therefore, the electronic device 10 of the present application reuses two radiators to form a co-fed antenna with stronger antenna performance.

[0048] Among them, please refer to Figure 7 , Figure 7 This is a second structural diagram of the electronic device 10 provided in the embodiment of the present application. The electronic device 10 further includes a first transmission line 151 , a second transmission line 152 and a third transmission line 153 .

[0049] One end of the first transmission line 151 is electrically connected to the signal source 130, one end of the second transmission line 152 is electrically connected to the other end of the first transmission line 151, the other end of the second transmission line 152 is electrically connected to the first feeding point 112, one end of the third transmission line 153 is electrically connected to the other end of the first transmission line 151, and the other end of the third transmission line 153 is electrically connected to the second feeding point 122. The lengths of the second transmission line 152 and the third transmission line 153 are within a preset length range, so that the phase difference when the excitation signal provided by the signal source 130 is transmitted to the first radiator 110 through the second transmission line 152 and to the second radiator 120 through the third transmission line 153 is 180 degrees.

[0050] It is understandable that at least one of the first transmission line 151, the second transmission line 152, and the third transmission line 153 may be, but is not limited to, a microstrip line, a strip line, or a waveguide structure. The present application embodiment does not limit this. Among them, the first transmission line 151, the second transmission line 152, and the third transmission line 153 may be a complete wire, or may be formed by electrically connecting multiple sub-transmission lines. The present application embodiment does not limit the specific form of the three transmission lines.

[0051] It can be understood that when the positions of the first radiator 110 and the second radiator 120 are fixed, the lengths of the second transmission line 152 and the third transmission line 153 can be within a preset length range, or the length difference between the second transmission line 152 and the third transmission line 153 can be within a preset length difference range. At this time, when the signal source 130 transmits an excitation signal to the first radiator 110 and the second radiator 120 through the second transmission line 152 and the third transmission line 153 respectively, the phase difference of the excitation signal on the first radiator 110 and the second radiator 120 can be 180 degrees. At this time, the excitation signal provided by the signal source 130 is transmitted to the first radiator 110 and the second radiator 120 through the second transmission line 152 and the third transmission line 153. Under the action of the line 152 and the third transmission line 153, the first radiator 110 and the second radiator 120 can be fed in an equal-radiation and opposite manner. Under the excitation of the excitation signal, the second resonant current I2 generated by the first radiator 110 on the floor 140 and the fourth resonant current I4 generated by the second radiator 120 on the floor 140 are more likely to be opposite in direction and cancel each other out. The current component of the excitation current generated by the first radiator 110 and the second radiator 120 on the floor 140 flowing along the first direction H1 is larger, so that the antenna performance of the co-fed antenna formed by the first radiator 110 and the second radiator 120 is better.

[0052] It can be understood that the preset length range or the preset length difference range of the second transmission line 152 and the third transmission line 153 can be determined according to actual conditions. Any length or length difference of the second transmission line 152 and the third transmission line 153 that can make the phase difference of the excitation signal on the first radiator 110 and the second radiator 120 be 180 degrees can be within the protection scope of the embodiments of the present application.

[0053] It can be understood that the length of the first transmission line 151 in the embodiment of the present application basically does not affect the phase difference between the first radiator 110 and the second radiator 120, so the length of the first transmission line 151 can be determined according to actual needs, and the embodiment of the present application does not limit the specific length of the first transmission line 151.

[0054] The electronic device 10 of the embodiment of the present application can set the length of the second transmission line 152 and the third transmission line 153 so that the phase difference when the excitation signal provided by the signal source 130 is transmitted to the first radiator 110 and the second radiator 120 is 180 degrees, so that the second resonant current I2 and the fourth resonant current I4 of the co-fed antenna formed by the first radiator 110 and the second radiator 120 on the floor 140 can more easily offset each other, thereby improving the antenna performance of the co-fed antenna.

[0055] Among them, please refer to Figure 8 , Figure 8This is a third structural diagram of the electronic device 10 provided in an embodiment of the present application. The electronic device 10 may further include a phase shift module 160 .

[0056] The phase shift module 160 may be electrically connected between the signal source 130 and the first feeding point 112, so that the phase shift module 160 can adjust the phase of the excitation signal fed from the signal source 130 to the first radiator 110. Alternatively, the phase shift module 160 may be electrically connected between the signal source 130 and the second feeding point 122, so that the phase shift module 160 can adjust the phase of the excitation signal fed from the signal source 130 to the second radiator 120. Alternatively, the phase shifting module 160 may be electrically connected between the signal source 130 and the first feeding point 112 and between the signal source 130 and the second feeding point 122 at the same time. For example, the phase shifting module 160 may include two phase shifters, one phase shifter may be electrically connected between the signal source 130 and the first feeding point 112, and the other phase shifter may be electrically connected between the signal source 130 and the second feeding point 122. The phase shifting module 160 may respectively adjust the phase of the excitation signal fed into the first radiator 110 by the signal source 130 and adjust the phase of the excitation signal fed into the second radiator 120 by the signal source 130.

[0057] It is understandable that the phase shift module 160 may include a phase shifter, which is a device capable of adjusting the phase of a wave (e.g., current). The phase shift module 160 is provided in the embodiment of the present application, so that the phase difference when the excitation signal provided by the signal source 130 is transmitted to the first radiator 110 and the second radiator 120 is 180 degrees, so that the second resonant current I2 and the fourth resonant current I4 of the co-fed antenna formed by the first radiator 110 and the second radiator 120 on the floor 140 are more likely to cancel each other, and the antenna performance of the co-fed antenna is better.

[0058] It is understandable that the electronic device 10 can adjust the phase difference when the excitation signal is transmitted to the first radiator 110 and the second radiator 120 by the length of the second transmission line 152 and the third transmission line 153; the electronic device 10 can also adjust the phase difference when the excitation signal is transmitted to the first radiator 110 and the second radiator 120 by the phase shift module 160; the electronic device 10 can also adjust the phase difference when the excitation signal is transmitted to the first radiator 110 and the second radiator 120 by the length of the second transmission line 152 and the third transmission line 153 and the phase shift module 160 at the same time. For example, Figure 8 As shown, the second transmission line 152 may include two sub-transmission lines, the phase shift module 160 may be electrically connected between the two sub-transmission lines, and the phase shift module 160 may adjust the phase of the excitation signal transmitted to the first radiator 110 .

[0059] It is understandable that, affected by the first radiator 110, the second radiator 120 and the transmission line, the adjustment amplitude of the phase when the excitation signal is transmitted to the first radiator 110 or the second radiator 120 by the phase shift module 160 is not necessarily 180 degrees. For example, when the phase shift module 160 is not provided, the phase difference when the excitation signal is transmitted to the first radiator 110 or the second radiator 120 is 30 degrees, and the adjustment amplitude of the phase when the excitation signal is transmitted to the first radiator 110 or the second radiator 120 by the phase shift module 160 can be 150 degrees, so that after the adjustment of the phase shifter, the phase difference when the excitation signal is transmitted to the first radiator 110 and the second radiator 120 can be 180 degrees. The embodiment of the present application does not limit the specific phase degree adjusted by the phase shift module 160.

[0060] The electronic device 10 of the embodiment of the present application is provided with a phase shift module 160 so that the phase difference of the excitation signal provided by the signal source 130 when transmitted to the first radiator 110 and the second radiator 120 is 180 degrees, so that the second resonant current I2 and the fourth resonant current I4 of the co-fed antenna formed by the first radiator 110 and the second radiator 120 on the floor 140 are more likely to cancel each other, thereby improving the antenna performance of the co-fed antenna.

[0061] Among them, please refer to Fig. 9 , Fig. 9 This is a fourth structural diagram of the electronic device 10 provided in the embodiment of the present application. The electronic device 10 may further include at least one of a first matching network 171 , a second matching network 172 , and a third matching network 173 .

[0062] The first matching network 171 is electrically connected to the signal source 130, and the first matching network 171 is used to adjust the impedance of the excitation signal provided by the signal source 130. One end of the second matching network 172 is electrically connected between the signal source 130 and the first feeding point 112, and the other end of the second matching network 172 is grounded. The second matching network 172 can adjust the impedance of the excitation signal provided by the signal source 130 to the first radiator 110. One end of the third matching network 173 is electrically connected between the signal source 130 and the second feeding point 122, and the other end of the second matching network 172 is grounded. The third matching network 173 can adjust the impedance of the excitation signal provided by the signal source 130 to the second radiator 120.

[0063] It can be understood that the matching network is also called a matching circuit. The first matching network 171 can be electrically connected to the signal source 130 through the first transmission line 151, the second matching network 172 can be electrically connected to the signal source 130 and the first feeding point 112 through the second transmission line 152, and the third matching network 173 can be electrically connected to the signal source 130 and the second feeding point 122 through the third transmission line 153. The first matching network 171, the second matching network 172, and the third matching network 173 can perform impedance matching adjustment on the excitation signal. The so-called impedance refers to the obstruction to the excitation current in the circuit. When the internal resistance of the signal source 130 is equal to the characteristic impedance of the transmission line and has the same phase, or the characteristic impedance of the transmission line is equal to the connected load impedance and has the same phase, the input end or output end of the transmission line is respectively in an impedance matching state, referred to as impedance matching.

[0064] It is understandable that the first matching network 171, the second matching network 172, and the third matching network 173 may include, but are not limited to, components such as capacitors, inductors, and switches. The embodiment of the present application does not limit the specific structures of the three matching networks.

[0065] It is understandable that the electronic device 10 may include one matching network, two matching networks, or three matching networks among the first matching network 171 , the second matching network 172 , and the third matching network 173 , which is not limited in the embodiments of the present application.

[0066] The electronic device 10 of the embodiment of the present application includes multiple matching networks. Under the action of the multiple matching networks, the impedance matching performance of the excitation signal provided by the signal source 130 is better, and the antenna performance of the electronic device 10 supporting wireless signals is better.

[0067] Among them, please refer to Fig.10 , Fig.10 This is a fifth structural diagram of the electronic device 10 provided in an embodiment of the present application. The electronic device 10 may further include at least one of the first switching circuit 181 and the second switching circuit 182 .

[0068] One end of the first switching circuit 181 is electrically connected to the first radiator 110, and the other end of the first switching circuit 181 is grounded, and the first switching circuit 181 can adjust the electrical length of the first radiator 110. One end of the second switching circuit 182 is electrically connected to the second radiator 120, and the other end of the second switching circuit 182 is grounded, and the second switching circuit 182 can adjust the electrical length of the second radiator 120.

[0069] It can be understood that the electrical length of a radiator refers to the equivalent length of the radiator when it radiates a signal, or the equivalent length required for electromagnetic wave transmission in a radiating structure. The electrical length of a radiator can be greater than, less than, or equal to its branch length. The electrical length of a radiator can be associated with the frequency supported by the radiator. When the electrical length of the radiator is longer, the radiator can support wireless signals with lower frequencies; when the electrical length of the radiator is shorter, the radiator can support wireless signals with higher frequencies. The electrical length of a radiator can be changed by electrically connecting circuits with different impedances.

[0070] It can be understood that the first switching circuit 181 and the second switching circuit 182 may include but are not limited to components such as capacitors, inductors, and switches. The first switching circuit 181 and the second switching circuit 182 can be adjusted to adapt to the circuit structure of the wireless signals supported by the first radiator 110 and the second radiator 120 by selecting different combinations of electronic components. For example, the first switching circuit 181 includes multiple first switching branches, and the second switching circuit 182 includes multiple second switching branches. When the first switching circuit 181 selects a first switching branch and the second switching circuit 182 selects a second switching branch, the signal source 130 can excite the first radiator 110 and the second radiator 120 to jointly support a wireless signal of a certain frequency band (for example, B5 band / B8 band); when the first switching circuit 181 selects another first switching branch and the second switching circuit 182 selects another second switching branch, the signal source 130 can excite the first radiator 110 and the second radiator 120 to jointly support a wireless signal of another frequency band (for example, B28 band). The embodiments of the present application do not limit the specific structures of the first switching circuit 181 and the second switching circuit 182.

[0071] It can be understood that the first switching circuit 181 can be electrically connected to a region on the first radiator 110 that is closer to the first end 111. For example, the first radiator 110 also includes a first electrical connection point between the first end 111 and the second end 113, the distance between the first electrical connection point and the first end 111 is smaller than the distance between the first electrical connection point and the second end 113, and the first switching circuit 181 is electrically connected to the first electrical connection point, so that the first switching circuit 181 is closer to the first end 111. Since the first end 111 is a free end, a terminal end, or an open end of the first radiator 110, when the first switching circuit 181 that is closer to the first end 111 is grounded, the component of the second resonant current I2 brought by the first switching circuit 181 is smaller, and the first switching circuit 181 is not likely to affect the antenna performance of the first radiator 110. It should be noted that the first switching circuit 181 can also be electrically connected to other regions of the first radiator 110, and this is not limited in the embodiment of the present application.

[0072] Similarly, the second switching circuit 182 can be electrically connected to an area on the second radiator 120 that is closer to the third end 121. For example, the second radiator 120 also includes a second electrical connection point between the third end 121 and the fourth end 123, and the distance between the second electrical connection point and the third end 121 is smaller than the distance between the second electrical connection point and the fourth end 123. The second switching circuit 182 is electrically connected to the second electrical connection point, so that the second switching circuit 182 is closer to the third end 121. When the first switching circuit 181 that is closer to the third end 121 is grounded, the component of the fourth resonant current I4 brought by the third switching circuit is smaller, and the second switching circuit 182 is not likely to affect the antenna performance of the second radiator 120. It should be noted that the second switching circuit 182 can also be electrically connected to other areas of the second radiator 120, and this is not limited in the embodiment of the present application.

[0073] It can be understood that the electronic device 10 of the embodiment of the present application may include the first switching circuit 181 but not the second switching circuit 182, or may include the second switching circuit 182 but not the first switching circuit 181, or may include both the first switching circuit 181 and the second switching circuit 182, which is not limited by the embodiment of the present application.

[0074] The electronic device 10 of the embodiment of the present application includes a first switching circuit 181 and a second switching circuit 182. Under the action of the two switching circuits, the electronic device 10 can support wireless signals of more frequency bands, and the electronic device 10 covers a wider frequency band range.

[0075] Based on the structure of the electronic device 10, please refer to Fig.11 , Fig.11 The sixth structural diagram of the electronic device 10 provided in the embodiment of the present application is shown in FIG. The electronic device 10 in the embodiment of the present application further includes a display screen 200 , a middle frame 300 , a circuit board 400 , a battery 500 and a rear housing 600 .

[0076] The display screen 200 is disposed on the middle frame 300 to form a display surface of the electronic device 10 for displaying information such as images and texts. The display screen 200 may include a liquid crystal display (LCD) or an organic light-emitting diode (OLED) display.

[0077] The middle frame 300 may include a frame 310 and a middle plate 320. The frame 310 may be a hollow frame structure and form the outer frame of the electronic device 10. The middle plate 320 may be a thin plate or sheet-like structure. The middle frame 300 is used to provide support for the electronic devices or functional components in the electronic device 10 so as to install the electronic devices and functional components of the electronic device 10 together. For example, structures such as grooves, protrusions, and through holes may be provided on the middle frame 300 to facilitate the installation of electronic devices or functional components of the electronic device 10. It is understandable that the material of the middle frame 300 may include metal or plastic.

[0078] The circuit board 400 is arranged on the middle frame 300 for fixing, and the circuit board 400 is sealed inside the electronic device 10 through the rear shell 600. The circuit board 400 may be integrated with a processor, and may also be integrated with one or more functional components such as an earphone interface, an acceleration sensor, a gyroscope, and a motor. At the same time, the display screen 200 may be electrically connected to the circuit board 400 so that the display of the display screen 200 is controlled by the processor on the circuit board 400.

[0079] The battery 500 is disposed on the middle frame 300, and the battery 500 is sealed inside the electronic device 10 through the rear case 600. At the same time, the battery 500 is electrically connected to the circuit board 400 so that the battery 500 can power the electronic device 10. Among them, a power management circuit may be disposed on the circuit board 400. The power management circuit is used to distribute the voltage provided by the battery 500 to various electronic devices in the electronic device 10.

[0080] The rear shell 600 is connected to the middle frame 300. For example, the rear shell 600 can be attached to the middle frame 300 by an adhesive such as a double-sided adhesive to achieve connection with the middle frame 300. The rear shell 600 is used to seal the electronic devices and functional components of the electronic device 10 inside the electronic device 10 together with the middle frame 300 and the display screen 200 to protect the electronic devices and functional components of the electronic device 10.

[0081] It can be understood that the floor 140 of the embodiment of the present application can be formed on the rear shell 600, the circuit board 400 or the middle plate 320 of the middle frame 300. For example, a conductor area with zero electric potential can be set on the rear shell 600, the circuit board 400 or the middle plate 320, and the floor 140 can be set on the conductor area.

[0082] It can be understood that one or more of the signal source 130, the first matching network 171, the second matching network 172, the third matching network 173, the first switching circuit 181, and the second switching circuit 182 of the embodiment of the present application can be but are not limited to being arranged on the circuit board 400; of course, one or more of the above-mentioned components can also be arranged on the small board of the electronic device 10, and the embodiment of the present application does not limit the specific setting position of the above-mentioned structure.

[0083] It can be understood that the above is only an illustrative example of the electronic device 10. The electronic device 10 of the embodiment of the present application may also include components such as a camera, a sensor, and an acoustic-to-electric conversion device. These components can be found in the description of the relevant technology and will not be repeated here.

[0084] Please combine Fig.11 And refer to Fig.12 , Fig.12 The seventh structural diagram of the electronic device 10 provided in the embodiment of the present application is as follows: the floor 140 can be formed on the middle plate 320 of the middle frame 300 of the electronic device 10, and the first radiator 110 and the second radiator 120 can be formed on the frame 310 of the middle frame 300 of the electronic device 10.

[0085] The frame 310 of the middle frame 300 includes a first frame 311 and a second frame 312 that are bent and connected. The first frame 311 and the first side 141 have the same extension direction and can extend along the first direction H1. The first frame 311 can be arranged opposite to the first side 141 and a gap is formed between the two. The second frame 312 and the second side 142 have the same extension direction and can extend along the second direction H2. The second frame 312 can be arranged opposite to the second side 142 and a gap is formed between the two. Among them, the first slit 101 and the second slit 102 can be provided on the first frame 311, and the third slit 103 can be provided on the second frame 312, so that the first radiator 110 is formed between the first slit 101 and the second slit 102, and the second radiator 120 is formed between the second slit 102 and the third slit 103; the first radiator 110 can be formed on the first frame 311, part of the second radiator 120 can be formed on the first frame 311, and another part of the second radiator 120 can be formed on the second frame 312.

[0086] It can be understood that the first gap 101 and the second gap 102 can be connected to the gap between the first frame 311 and the first side 141 of the floor 140, so that the first metal branch formed between the first gap 101 and the second gap 102 can have a free end to form the first radiator 110. The second gap 102 and the third gap 103 can be connected to the gap between the second frame 312 and the second side 142 of the floor 140, so that the second metal branch formed between the second gap 102 and the third gap 103 can have a free end to form the second radiator 120. Among them, non-conductive materials can be filled between the first gap 101 and the third gap 103 to increase the structural strength of the first frame 311 and the second frame 312.

[0087] It is understandable that both the floor 140 and the middle frame 300 may be rectangular structures, so that the floor 140 may include other edges, and the middle frame 300 may include other frames 310. In addition, the length of the first side 141 of the floor 140 may be greater than the length of the second side 142, the first side 141 may be the long edge of the floor 140, and the second side 142 may be the short edge of the floor 140; the length of the first frame 311 of the middle frame 300 may be greater than the length of the second frame 312, so that the first frame 311 may be the long frame of the electronic device 10, and the second frame 312 may be the short frame of the electronic device 10.

[0088] The first radiator 110 and the second radiator 120 of the embodiment of the present application are formed on the frame 310 of the middle frame 300, and the middle plate 320 of the middle frame 300 can form the floor 140 of the electronic device 10. At this time, the first radiator 110 and the second radiator 120 can be grounded by, but not limited to, electrically connecting to the middle plate 320 through structures such as grounding springs, grounding pads, and grounding screws; on the one hand, the frame 310 and the middle plate 320 are reused as the radiator and the floor 140, respectively, so as to realize the miniaturization design of the electronic device 10; on the other hand, the grounding path of the first radiator 110 is shorter, which is more conducive to the antenna layout of the electronic device 10.

[0089] Among them, when the first radiator 110 and the second radiator 120 are formed on the first frame 311 and the second frame 312 of the electronic device 10, the signal source 130 can excite the first radiator 110 and the second radiator 120 to support wireless signals in the low frequency band, so that the first radiator 110 and the second radiator 120 can be two low frequency antennas of the electronic device 10. It should be noted that the first radiator 110 and the second radiator 120 can also support wireless signals in other frequency bands, which is not limited in the embodiments of the present application.

[0090] It is understandable that when the electronic device 10 is in such a Fig.12In the state shown, the first radiator 110 and the second radiator 120 may be the upper low-frequency antenna and the lower low-frequency antenna of the electronic device 10, respectively. When the signal source 130 feeds the first radiator 110 alone, the first radiator 110 has a better performance in free space, but the performance will be much worse after being held by a human hand. Similarly, when the signal source 130 feeds the second radiator 120 alone, the second radiator 120 has a better performance in free space, but the performance will be much worse after being held by a human hand. In order to avoid the influence of the user's hand holding on the performance of the first radiator 110 and the second radiator 120, the embodiment of the present application can set the distance between the first slit 101 and the second frame 312 to be greater than or equal to two-thirds of the length of the first frame 311, so that the first slit 101 is farther away from the second frame 312, and the first slit 101 is easier to be higher than the fingers when the user holds the electronic device 10 with the left hand or the right hand, so as to avoid being held by the user's hand. The distance between the third gap 103 and the first frame 311 can be greater than or equal to one quarter of the length of the second frame 312, so that the third gap 103 is farther away from the first frame 311, and the third gap 103 is not easily covered by the palm of the user when holding the electronic device 10 with the left hand or the right hand.

[0091] For example, please refer to 13 and Fig.14 , Fig.13 for Fig.12 A holding posture of the electronic device 10 is shown, for example Fig.13 The left hand holding posture of the electronic device 10; Fig.14 for Fig.12 Another holding posture of the electronic device 10 is shown, for example, Fig.14 for Fig.12 The right-hand holding posture of the electronic device 10 shown. Among them, the distance between the first gap 101 and the second frame 312 is greater than or equal to two-thirds of the length of the first frame 311, for example, the distance between the first gap 101 and the second frame 312 can be greater than or equal to 88 mm; the distance between the third gap 103 and the first frame 311 is greater than or equal to one-quarter of the length of the second frame 312; at this time, the thumb of the left hand and the index finger of the right hand are not easy to hold the first gap 101, and the palm of the user is not easy to hold the third gap 103. At this time, the electronic device 10 has better antenna performance. For example, Fig.15 As shown, Fig.15 for Fig.12The antenna radiation performance diagram of the electronic device 10 in different scenarios is shown. When the signal source 130 excites the first radiator 110 and the second radiator 120 to jointly support the B28 frequency band, the radiation performance of the electronic device 10 when supporting the B28 frequency band in the free space scenario, the left-hand holding scenario, and the right-hand holding scenario are -4.7dB, -7.2dB, and -6.6dB, respectively. When the signal source 130 excites the first radiator 110 and the second radiator 120 to jointly support the B5 frequency band, the radiation performance of the electronic device 10 when supporting the B5 frequency band in the free space scenario, the left-hand holding scenario, and the right-hand holding scenario are -4.7dB, -6.9dB, and -5.9dB, respectively. When the signal source 130 excites the first radiator 110 and the second radiator 120 to jointly support the B8 frequency band, the radiation performance of the electronic device 10 when supporting the B8 frequency band in the free space scenario, the left-hand holding scenario, and the right-hand holding scenario are -5.6dB, -6.7dB, and -6.1dB, respectively. Fig.15 It can be seen that when the first radiator 110 and the second radiator 120 of the present application are co-fed and the first slot 101 and the third slot 103 are set at special positions, the maximum reduction in antenna radiation performance of the electronic device 10 when held by a human hand is about -2.5dB, generally less than about 2dB, so that the electronic device 10 of the embodiment of the present application has good radiation performance when held by a human hand.

[0092] Furthermore, even in extreme cases, when a person completely holds the first slit 101 with his hand, the electronic device 10 of the embodiment of the present application can still have certain radiation performance and maintain good communication capabilities. Fig.16 and Fig.17 , Fig.16 for Fig.12 The electronic device 10 shown is a schematic diagram of an S parameter curve in different scenarios. Fig.17 for Fig.12 The electronic device 10 shown is a schematic diagram of an antenna efficiency curve in different scenarios. Fig.16 The middle curves L10 and L11 are Fig.12 The S11 parameter curve of the electronic device 10 in the free space scenario and the scenario where the first gap 101 is completely locked is shown. Fig.17 The middle curves L12 and L13 are Fig.12 The radiation efficiency curve and system efficiency curve of the electronic device 10 in the free space scenario are shown. Fig.17 The middle curves L14 and L15 are Fig.12The radiation efficiency curve and system efficiency curve of the electronic device 10 in the scenario where the first slit 101 is completely held tightly are shown. From curves L10 to L15, it can be seen that when the first slit 101 is completely held tightly by a human hand, the S parameter operating bandwidth of the electronic device 10 becomes wider, and the system efficiency of the electronic device 10 can still be maintained at about -13.5dB, and the electronic device 10 still has a relatively good radiation performance.

[0093] Based on this, the electronic device 10 of the embodiment of the present application is based on the traditional bottom antenna (second radiator 120), and the first radiator 110 is added to the side of the electronic device 10. The first transmission line 151, the second transmission line 152, and the third transmission line 153 are used to simultaneously feed the two radiators, thereby more effectively stimulating the floor 140 to radiate. The two radiators realize the reused IFA antenna in a co-feeding manner, which can obtain better radiation efficiency and wider working bandwidth under the radiation conditions of small clearance and narrow frame 310, so that the electronic device 10 of the present application has better OTA performance. In addition, by opening gaps at appropriate positions of the first frame 311 and the second frame 312, the electronic device 10 can be better stimulated to radiate signals, and the antenna can obtain a smaller performance degradation and superior radiation performance when held in the left and right hands. The electronic device 10 of the embodiment of the present application can have better anti-handheld performance, which can greatly meet the use needs of consumers in extreme scenarios.

[0094] It should be understood that, in the description of this application, terms such as "first", "second", etc. are only used to distinguish similar objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0095] The electronic device provided by the embodiment of the present application is described in detail above. The principle and implementation method of the present application are described in detail using specific examples herein, and the description of the above embodiments is only used to help understand the present application. At the same time, for those skilled in the art, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as limiting the present application.

Claims

1. An electronic device, characterized in that: include: A floor, comprising a first side and a second side connected by a bend; A first radiator is arranged relative to the first side, the first radiator comprises a first end, a first feeding point and a second end which are arranged in sequence, and the second end is electrically connected to the floor to achieve grounding; A second radiator, comprising a third end, a second feeding point and a fourth end arranged in sequence, wherein the third end is arranged relative to the first side and spaced from the second end, and the fourth end is arranged relative to the second side; and A signal source is electrically connected to the first feeding point and the second feeding point respectively; wherein, The signal source is used to excite the first radiator to generate a first resonant current flowing from the second end to the first end on the floor and a second resonant current flowing from the second end away from the first edge, and is used to excite the second radiator to generate a third resonant current flowing from the second feeding point to the third end on the floor and a fourth resonant current flowing from the fourth end toward the first edge, so that the first radiator and the second radiator jointly support the transmission and reception of wireless signals.

2. The electronic device according to claim 1, characterized in that: The electronic device further comprises: a first transmission line, one end of which is electrically connected to the signal source; a second transmission line, one end of the second transmission line being electrically connected to the other end of the first transmission line, and the other end of the second transmission line being electrically connected to the first feeding point; and A third transmission line, one end of the third transmission line is electrically connected to the other end of the first transmission line, and the other end of the third transmission line is electrically connected to the second feeding point; wherein, The lengths of the second transmission line and the third transmission line are within a preset length range so that the phase difference between the excitation signal provided by the signal source and the first radiator is 180 degrees when the excitation signal is transmitted to the second radiator through the second transmission line and to the second radiator through the third transmission line.

3. The electronic device according to claim 1, characterized in that: The electronic device further comprises: A phase shift module is electrically connected between the signal source and the first feeding point, and / or is electrically connected between the signal source and the second feeding point; wherein, The phase shift module is used to make the phase difference of the excitation signal provided by the signal source when it is transmitted to the first radiator and the second radiator be 180 degrees.

4. The electronic device according to any one of claims 1 to 3, characterized in that: The electronic device further comprises: a first switching circuit, one end of which is electrically connected to the first radiator and the other end of which is grounded, and the first switching circuit is used to adjust the electrical length of the first radiator; and / or, A second switching circuit, one end of the second switching circuit is electrically connected to the second radiator and the other end is grounded, and the second switching circuit is used to adjust the electrical length of the second radiator.

5. The electronic device according to claim 4, characterized in that: When the electronic device includes the first switching circuit, the first radiator further includes a first electrical connection point, the first switching circuit is electrically connected to the first electrical connection point, and a distance between the first electrical connection point and the first end is smaller than a distance between the first electrical connection point and the second end; When the electronic device includes the second switching circuit, the second radiator also includes a second electrical connection point, the second switching circuit is electrically connected to the second electrical connection point, and the distance between the second electrical connection point and the third end is smaller than the distance between the second electrical connection point and the fourth end.

6. The electronic device according to any one of claims 1 to 3, characterized in that: The electronic device further comprises: a first matching network, electrically connected to the signal source, and configured to adjust the impedance of the excitation signal provided by the signal source; and / or, A second matching network, one end of the second matching network is electrically connected between the signal source and the first feeding point, and the other end of the second matching network is grounded; and / or, A third matching network, one end of the third matching network is electrically connected between the signal source and the second feeding point, and the other end of the second matching network is grounded.

7. The electronic device according to any one of claims 1 to 3, characterized in that: A branch length of the second radiator relative to the first side is greater than a branch length of the second radiator relative to the second side.

8. The electronic device according to any one of claims 1 to 3, characterized in that: The electronic device further comprises a first frame and a second frame connected by bending, the first frame and the first side extend in the same direction, and the second frame and the second side extend in the same direction; wherein, A first slit and a second slit are formed on the first frame, and a third slit is formed on the second frame, so that the first radiator is formed between the first slit and the second slit, and the second radiator is formed between the second slit and the third slit.

9. The electronic device according to claim 7, characterized in that: The distance between the first gap and the second frame is greater than or equal to two-thirds of the length of the first frame; and / or, The distance between the third gap and the first frame is greater than or equal to one quarter of the length of the second frame.

10. The electronic device according to any one of claims 1 to 3, characterized in that: The signal source is used to excite the first radiator and the second radiator to jointly support wireless signals in a low frequency band.

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