CN108461896B - Antenna assembly, electronic device and antenna switching method - Google Patents

Abstract

The embodiment of the application provides an antenna assembly, electronic equipment and an antenna switching method, wherein the antenna assembly comprises a first antenna structure, a second antenna structure and a third antenna structure; the first antenna structure is close to the third antenna structure, the second antenna structure is far away from the third antenna structure, the first antenna structure is a main diversity antenna, and the second antenna structure is a diversity antenna; and the processing device is coupled with the radio frequency module and reconstructs the frequency of the first antenna structure according to the using state of the third antenna structure. The antenna performance of the antenna component can be improved.

Description

Antenna assembly, electronic device and antenna switching method

technical field

The present application relates to the technical field of electronic devices, and in particular, to an antenna assembly, an electronic device, and an antenna switching method.

Background technique

With the development of network technology and the improvement of the degree of intelligence of electronic devices, users can realize more and more functions through electronic devices, such as calling, chatting, and playing games.

Wherein, the user realizes signal transmission through the antenna of the electronic device in the process of using the electronic device to talk or chat.

SUMMARY OF THE INVENTION

Embodiments of the present application provide an antenna assembly, an electronic device, and an antenna switching method, which can improve the antenna performance of the electronic device.

Embodiments of the present application provide an antenna assembly, including:

A first antenna structure, a second antenna structure and a third antenna structure; the first antenna structure is close to the third antenna structure, the second antenna structure is far from the third antenna structure, and the first antenna structure is a main set antenna, the second antenna structure is a diversity antenna;

A processing device, coupled with a radio frequency module, reconstructs the frequency of the first antenna structure according to the use state of the third antenna structure.

An embodiment of the present application further provides an electronic device, the electronic device includes an antenna assembly and a processor, wherein the antenna assembly includes a first antenna structure, a second antenna structure, a third antenna structure, and a processing device, wherein, The first antenna structure is close to the third antenna structure, the second antenna structure is far from the third antenna structure, the first antenna structure is a main set antenna, and the second antenna structure is a diversity antenna; the processing the device is coupled to the radio frequency module and the processor;

The processor is configured to acquire a use state of the third antenna structure, and determine activation of the processing device according to the use state, and the processing device is configured to reconstruct the frequency of the first antenna structure.

An embodiment of the present application also provides an antenna switching method, which is applied to an electronic device, where the electronic device includes a processor and an antenna assembly, and the antenna assembly includes a first antenna structure, a second antenna structure, a third antenna structure, a processing The device, wherein the first antenna structure is close to the third antenna structure, the second antenna structure is far away from the third antenna structure, the first antenna structure is a main set antenna, and the second antenna structure is a diversity antenna; a processing device, coupled to the radio frequency module and the processor,

obtaining the use status of the third antenna structure;

The frequency of the first antenna structure is reconstructed according to the usage state of the third antenna structure.

An antenna assembly provided by an embodiment of the present application includes a first antenna structure, a second antenna structure, and a third antenna structure; the first antenna structure is close to the third antenna structure, and the second antenna structure is far from the third antenna structure Antenna structure, the first antenna structure is a main antenna structure, the second antenna structure is a diversity antenna; a processing device, coupled with a radio frequency module, according to the use state of the third antenna structure, the first antenna structure frequency reconstruction. When the third antenna structure is used, if the third antenna structure reduces the efficiency of a certain radiation frequency band of the first antenna structure, the frequency of the first antenna structure is reconstructed by the processing device, thereby preventing the third antenna structure from affecting the first antenna. structure, thereby improving the antenna efficiency.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 2 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 3 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 4 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 5 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 6 is a schematic structural diagram of an antenna assembly provided by an embodiment of the present application.

FIG. 7 is another schematic structural diagram of an antenna assembly provided by an embodiment of the present application.

FIG. 8 is another schematic structural diagram of an antenna assembly provided by an embodiment of the present application.

FIG. 9 is a schematic diagram of a matching circuit of an antenna assembly provided by an embodiment of the present application.

FIG. 10 is another schematic structural diagram of an antenna assembly provided by an embodiment of the present application.

FIG. 11 is another schematic structural diagram of an antenna assembly provided by an embodiment of the present application.

FIG. 12 is a schematic flowchart of an antenna switching method provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but 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 fall within the protection scope of the present application.

In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as a limitation on this application. In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, features defined as "first", "second" may expressly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be mechanical connection, electrical connection or can communicate with each other; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relation. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

In this application, unless otherwise expressly specified and defined, a first feature "on" or "under" a second feature may include direct contact between the first and second features, or may include the first and second features Not directly but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different structures of the present application. To simplify the disclosure of the present application, the components and arrangements of specific examples are described below. Of course, they are only examples and are not intended to limit the application. Furthermore, this application may repeat reference numerals and/or reference letters in different instances for the purpose of simplicity and clarity, and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, this application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Embodiments of the present application provide an antenna assembly, an electronic device, and an antenna switching method. The detailed descriptions will be given below. The antenna assembly may be provided in the electronic device, and the electronic device may be a smart phone, a tablet computer, or other devices.

Please refer to FIG. 1 and FIG. 2 , FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application, and FIG. 2 is another structural schematic diagram of an electronic device provided by an embodiment of the present application. The electronic device 10 may include a cover plate 11 , a display screen 12 , a circuit board 13 , a battery 14 , a casing 15 , a camera 16 and a fingerprint unlocking module 17 . It should be noted that the electronic device 10 shown in FIG. 1 and FIG. 2 is not limited to the above contents, and may also include other devices, or not include the camera 16 , or not include the fingerprint unlocking module 17 .

The cover plate 11 is installed on the display screen 12 to cover the display screen 12 . The cover plate 1 can be a transparent glass cover plate, so that the display screen can be displayed by the light-transmitting cover plate 11 . In some embodiments, the cover plate 11 may be a glass cover plate made of a material such as sapphire.

The housing 15 may include a middle frame 151 and a rear cover 152, the middle frame 151 and the rear cover 152 may be combined to form the housing 15, and the middle frame 151 and the rear cover 152 may form a storage space to accommodate the printed circuit board 13. Display screen 12, battery 14 and other devices. Further, the cover plate 11 can be fixed to the casing 15, and the cover plate 11 and the casing 15 form a closed space to accommodate the printed circuit board 13, the display screen 12, the battery 14 and other devices. In some embodiments, the cover 11 is covered on the middle frame 151 , the rear cover 152 is covered on the middle frame 151 , the cover 11 and the rear cover 152 are located on the opposite sides of the middle frame 151 , the cover 11 and the rear cover 152 Relative settings.

In some embodiments, the housing 15 may be a metal housing, such as magnesium alloy, stainless steel and other metals. It should be noted that the material of the housing 15 in the embodiment of the present application is not limited to this, and other methods may also be used, for example, the housing 15 may be a plastic housing. Another example: the casing 15 is a ceramic casing. Another example: the housing 15 may include a plastic part and a metal part, and the housing 15 may be a housing structure in which metal and plastic cooperate with each other. Specifically, the metal part may be formed first, for example, a magnesium alloy substrate may be formed by injection molding. Plastic is then injected on the alloy substrate to form a plastic substrate, which constitutes a complete casing structure.

It should be noted that the structure of the casing in the embodiment of the present application is not limited to this. For example, the rear cover and the middle frame are integrally formed to form a completed casing 15 structure, and the casing directly has a storage space for storing and printing Circuit board 13, display screen 12, battery 14 and other devices.

Wherein, the printed circuit board 13 is installed in the housing 15, the printed circuit board 13 can be the main board of the electronic device 10, and the printed circuit board 13 can be integrated with a motor, a microphone, a speaker, a headphone interface, a universal serial One, two or more of functional components such as bus interface, camera 18, distance sensor, ambient light sensor, receiver, and processor.

In some embodiments, the printed circuit board 13 may be secured within the housing 15 . Specifically, the printed circuit board 13 can be screwed to the middle frame 151 by screws, or can be snap-fitted to the middle frame 151 by means of snaps. It should be noted that, the specific way of fixing the printed circuit board 13 to the middle frame 151 in this embodiment of the present application is not limited to this, and other ways, such as a way of co-fixing by a buckle and a screw, is also possible.

The battery 14 is installed in the casing 15 , and the battery 14 is electrically connected to the printed circuit board 13 to provide power to the electronic device 10 . The case 15 can serve as a battery cover for the battery 14 . The casing 15 covers the battery 14 to protect the battery 14 , specifically, the back cover covers the battery 14 to protect the battery 14 and reduce damage to the battery 14 due to collision, drop, etc. of the electronic device 10 .

The display screen 12 is installed in the housing 15 , and at the same time, the display screen 12 is electrically connected to the printed circuit board 13 to form the display surface of the electronic device 10 . The display screen 12 may include a display area and a non-display area. The display area can be used to display the screen of the electronic device 10 or for the user to perform touch manipulation or the like. The top area of the non-display area is provided with openings for sound and light conduction, and functional components such as fingerprint modules and touch buttons can be arranged on the bottom of the non-display area. The cover plate 11 is mounted on the display screen 12 to cover the display screen 12, and can form the same display area and non-display area as the display screen 12, or can form different display areas and non-display areas.

It should be noted that the structure of the display screen 12 is not limited to this. For example, the display screen 12 may be a special-shaped screen. Specifically, please refer to FIG. 3 , which is another schematic structural diagram of the electronic device provided by the embodiment of the present application. The difference between the electronic device in FIG. 3 and the electronic device in FIG. 1 is that the electronic device 20 includes a display screen 22 , a cover plate 21 , a printed circuit board 23 , a battery 24 and a casing 25 . The display screen 22 is directly formed with a light permeable area 28 thereon. Specifically, for example, the display screen 22 is provided with a through hole passing through the display screen 22 in the thickness direction, the light permeable area 28 may include the through hole, and functional components such as a front camera, an earpiece, and a sensor can be set at the position of the through hole. For another example, the display screen 22 is provided with a non-display area, and the light permeable area 28 may include the non-display area. The cover plate 21 is suitable for the structural setting of the display screen 22 . It should be noted that the casing 25 can refer to the above casing 15 , the printed circuit board 23 can refer to the above printed circuit board 13 , and the battery 24 can refer to the above battery 14 , which will not be repeated here.

Please refer to FIG. 4 , which is a schematic structural diagram of another electronic device provided by an embodiment of the application. The difference between the electronic device in FIG. 4 and the electronic device in FIG. 1 is that the electronic device 30 in FIG. 4 includes a display screen 32 , cover plate 31 , printed circuit board 33 , battery 34 and housing 35 . Among them, the display screen 32 is provided with a notch 121 on its periphery, and the notch 121 can accommodate functional components such as a front camera, an earpiece, and a sensor. The cover plate 31 is suitable for the structural setting of the display screen 11 , the cover plate 31 can be provided with a gap of the same size in the gap 121 , and the cover plate 31 can also cover the position of the gap 121 . It should be noted that the casing 3 can refer to the above casing 15 , the printed circuit board 33 can refer to the above printed circuit board 13 , and the battery 34 can refer to the above battery 14 , which will not be repeated here.

It should also be noted that, in some embodiments, the display screen 12 may not include a non-display area, but may be configured as a full-screen structure, and functional components such as distance sensors and ambient light sensors may be arranged below the display screen or at other positions. . Specifically, please refer to FIG. 5 , which is another schematic structural diagram of an electronic device provided by an embodiment of the present application. The electronic device 40 includes a display screen 42 , a cover plate 41 , a printed circuit board 43 , a battery 44 and a casing 45 . The display screen 42 covers the casing 45 without a non-display area. The cover plate 41 is suitable for the size setting of the display screen 42 . It should be noted that the casing 45 can refer to the above casing 15 , the printed circuit board 43 can refer to the above printed circuit board 13 , and the battery 44 can refer to the above battery 14 , which will not be repeated here.

In some embodiments, the display screen 12 may be a liquid crystal display (Liquid Crystal Display, LCD) or an organic light-emitting diode (Organic Light-Emitting Diode, OLED) type display screen. In some embodiments, when the display screen 12 is a liquid crystal display screen, the electronic device 10 may further include a backlight module, which is not shown in the figure, and the backlight module can refer to the backlight modules in the prior art.

In some embodiments, the electronic device 10 may also include an antenna assembly 50 for transmitting and receiving signals. The antenna assembly 50 can be mounted on the housing 15 , such as the middle frame 151 . The antenna structure can form a fixed connection structure with the middle frame 151 , which is defined as the antenna assembly 50 . The following will take the antenna assembly 50 as an example for detailed description.

Please refer to FIG. 6 , which is a schematic structural diagram of an antenna assembly 50 according to an embodiment of the present application. The antenna assembly 50 may include a first antenna structure 51 , a second antenna structure 52 , a third antenna structure 53 , a radio frequency module 55 , and a processing device 55 . It should be noted that the third antenna structure 53 is a GPS antenna structure.

The antenna assembly 50 may be disposed on the carrier 16, the carrier 16 may be a shell structure, the carrier 16 may be a plate-like structure, or have a receiving cavity, and the carrier 16 may be a metal material, such as a magnesium alloy material. The carrier 16 can also be co-injected with metal and plastic. It should be noted that, the carrier 16 can refer to the above middle frame, or the carrier 16 can refer to the above back cover, or the carrier 16 can refer to the above structure in which the middle frame and the back cover are integrally formed, which will not be repeated here.

In some embodiments, the casing 45 is provided with a slit, and the slit may be disposed near the upper edge of the casing 45 or near the lower edge of the casing 45 . Wherein, the slits include at least three. The slits may include three, four, five or more, which are not limited herein.

Wherein, the slits include a first slit 161, a second slit 162 and a third slit 163, the first slit 161 is sandwiched between the second slit 162 and the third slit 163, the second slit 161 The slit 162 and the third slit 163 are symmetrical along the center of the first slit 161 .

The shape of the first slit 161 is a rectangle. Of course, the shape of the first slit 161 may be a square or other shapes, and the specific shape of the first slit 161 is not specifically limited in this embodiment.

Wherein, a first opening 164 is provided between the first slit 161 and the second slit 162 , and a second opening 165 is provided between the first slit 161 and the third slit 163 .

The second antenna structure 52 is disposed at a position near the left sidewall of the upper edge of the carrier 16 , and the second antenna structure 52 is adjacent to the second slot 162 .

Wherein, the third antenna structure 53 is disposed at a position where the periphery of the upper end of the carrier 16 is close to the right side wall. The third antenna structure 53 is adjacent to the third slot 163 , and the first antenna structure 51 is closer to the third antenna structure 53 than the second antenna structure 52 .

The electronic device further includes a processor 60, and the processor 60 is configured to acquire the use state of the third antenna structure 53, and determine whether to activate the processing device 54 according to the use state, and the processing device 54 uses the for reconstructing the frequency of the first antenna structure 51 .

In some implementations, because the first antenna structure 51 , the second antenna structure 52 and the third antenna structure 53 are located at the same end of the carrier 16 , the third antenna structure 53 is adjacent to the first antenna structure 51 due to the limitation of the width of the whole device , the physical distance between the third antenna structure 53 and the first antenna structure 51 is close, especially when the frequencies of the third antenna structure 51 and the first antenna structure 51 are also close, the third antenna structure 53 will reduce the first antenna structure 51 usage efficiency. For example, the coverage range of the GPS antenna 53 is 1500-1600MHz, and when the first antenna structure 51 uses the middle frequency band range of 1710-2700MHz, due to the limitation of the width of the whole machine, the third antenna structure 53 is in phase with the first antenna structure 51 In this case, the efficiency of the first antenna structure 51 at about 1710 MHz will be reduced.

As shown in FIG. 7 , the antenna assembly includes a first antenna structure 51 , a second antenna structure 52 and a third antenna structure; the first antenna structure 51 is close to the third antenna structure 53 , and the second antenna structure 52 is far away from the third antenna structure 53, the first antenna structure 51 is a main set antenna, and the second antenna structure 52 is a diversity antenna; the processing device 54, coupled with the radio frequency module 55, according to the third antenna structure 53, the frequency of the first antenna structure 51 is reconstructed. When the third antenna structure 53 is used, if the third antenna structure 53 reduces the efficiency of a certain radiation frequency band of the first antenna structure 51, the frequency of the first antenna structure 51 is reconstructed by the processing device 54, thereby avoiding the third antenna The effect of the structure 53 on the first antenna structure 51, thereby providing antenna efficiency.

In some embodiments, the processing device 54 includes a tuning switch 541, and the tuning switch 541 is used to switch the radiation frequency band of the first antenna structure 51, so as to realize the radiation of the entire frequency band of the antenna structure. Band (700-960MHz), mid-band (1710-2170MHz) and high-band (2300-2690MHz) signals.

The radio frequency module 55 is divided into a low frequency port 551 , an intermediate frequency port 552 and a high frequency port 553 . It should be noted that the radiation frequency band of the first antenna structure 51 can be switched by adjusting the connection between the tuning switch 541 and the low frequency port 551 , the intermediate frequency port 552 and the high frequency port 553 of the radio frequency module 55 . Of course, the radio frequency module 55 can also be divided into the low frequency port 551, the intermediate frequency port 552 and the high frequency port 553 in other ways. Specific restrictions.

Different radiation frequency bands of the first antenna structure 51 can be switched through the tuning switch 541 , specifically including low frequency (700-960MHz), mid-frequency (1710-2170MHz) and high-frequency (2300-2690MHz) signals. Therefore, when the third antenna When the structure 53 is in use, the tuning switch 541 is switched to the operating frequency of the low frequency band or the high frequency band, thereby avoiding the influence of the third antenna structure on the first antenna structure 51 .

As shown in FIG. 8 , in some embodiments, a matching circuit 70 is connected between the tuning switch 541 and the radio frequency module 55 , and the matching circuit 70 is used to reduce the impedance of the first antenna structure 51 .

As shown in FIG. 9 , the matching circuit 70 includes a first capacitive element 71 , a second capacitive element 72 , a first inductive element 73 and a second inductive element 74 , the first antenna structure 51 and the first capacitive element 71 , the first Two capacitive elements 72 and the first antenna structure 51 are connected in series in sequence. One end of the first inductive element 73 is connected to the connection point between the first capacitive element 71 and the second capacitive element 72 , and the other end is grounded. One end of the two inductive elements 74 is connected to the connection point between the second capacitive element 72 and the first antenna structure 51 , and the other end is grounded.

Specifically, the second inductance element 74 can be a variable inductance element, and of course a fixed inductance element can also be used.

As shown in FIG. 10 , in some embodiments, the processing device 54 includes a processing chip 542 for adjusting the resonance point of the first antenna structure 51 . Specifically, the processing chip 542 is provided with a resonant circuit, and the resonant circuit can be used to adjust the resonant point, thereby changing the frequency of the first antenna structure 51, thereby avoiding the effect of the third antenna structure on the first antenna. Influence of structure 51. The resonant circuit is not specifically limited in this embodiment, and is not described in detail here.

In some embodiments, the second antenna structure 52 includes a short-range communication antenna. Such as WIFI (Wireless Fidelity) 2.4G/5G signal, Bluetooth signal, etc. It should be noted that the third antenna structure 57 is not limited to sending and receiving WIFI2.4G/5G signals, and can also send and receive other signals, such as Bluetooth signals.

As shown in FIG. 11 , in some embodiments, the antenna assembly 50 may further include a fourth antenna structure 57 located on the first antenna structure 51 , the second antenna structure 52 and the fourth antenna structure 57 . At the opposite end of the antenna structure 53 , the carrier 16 is further provided with a fourth slot 166 , and the fourth antenna structure 57 is coupled with the fourth slot 166 .

Please refer to FIG. 12 , which is a schematic flowchart of an antenna switching method provided by an embodiment of the present application.

The antenna switching method is applied to an electronic device, the electronic device includes a processor and an antenna assembly, and the antenna assembly includes a first antenna structure 51, a second antenna structure 52, a third antenna structure 53, and a processing device 54, wherein, The first antenna structure 51 is close to the third antenna structure, the second antenna structure 52 is far from the third antenna structure 53, the first antenna structure 51 is the main antenna structure, and the second antenna structure 52 is a diversity antenna ; The processing device 54 is coupled to the radio frequency module 55 and the processor 60 .

obtaining the use status of the third antenna structure;

The frequency of the first antenna structure 51 is reconstructed according to the usage state of the third antenna structure.

It should be noted that the frequency of the first antenna structure 51 can be reconstructed in various ways. For example, the processing device 54 includes a tuning switch 541, the tuning switch 541 is coupled to the radio frequency module 55, and the tuning switch 541 is used to switch the working frequency band of the first antenna structure 51 . Specifically, the different radiation frequency bands of the first antenna structure 51 can be switched through the tuning switch 541, specifically including low frequency (700-960MHz), mid-frequency (1710-2170MHz) and high-frequency (2300-2690MHz) signals. Therefore, when When the third antenna structure is in use, the tuning switch 541 is switched to the operating frequency of the low frequency band or the high frequency band, thereby avoiding the influence of the third antenna structure on the first antenna structure 51 .

For another example, the processing device 54 includes a processing chip 542 , and the processing chip 542 is configured to adjust the resonance point of the first antenna structure 51 . Specifically, the processing chip 542 is provided with a resonant circuit, and the resonant circuit can be used to adjust the resonant point, thereby changing the frequency of the first antenna structure 51, thereby preventing the third antenna structure 53 from affecting the first antenna structure 53. Influence of the antenna structure 51 .

The antenna assembly 50, the electronic device, and the antenna switching method provided by the embodiments of the present application have been described in detail above. The principles and implementations of the present application are described in this document by using specific examples. The descriptions of the above embodiments are only used to help understanding. this 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 embodiments and application scope. To sum up, the content of this specification should not be construed as a limitation to the present application.

Claims (8)

1. An antenna assembly, applied to electronic equipment, is characterized in that, comprising: A first antenna structure, a second antenna structure, a third antenna structure and a fourth antenna structure, the first antenna structure, the second antenna structure and the third antenna structure are all disposed at the same end of the electronic device , the fourth antenna structure is arranged at the other end; The first antenna structure is close to the third antenna structure, the second antenna structure is far away from the third antenna structure, the first antenna structure is a main set antenna, and the first antenna structure is used for transmitting and receiving low frequency bands , medium frequency or high frequency signal, the second antenna structure is a diversity antenna, the third antenna structure is a GPS antenna, and the frequency band of the radio frequency signal used by the GPS antenna for sending and receiving is close to the first antenna structure for sending and receiving The frequency band of the mid-band RF signal; a processing device, the processing device includes a processing chip and a tuning switch, the processing chip and the tuning switch are used to adjust the resonance point of the first antenna structure, the tuning switch and the low frequency port of the first antenna structure , the intermediate frequency port and the high frequency port are connected, and when the processing chip detects that the third antenna structure is in use, it adjusts the resonance point through the tuning switch to reconstruct the frequency of the first antenna structure, so that all The first antenna is used for transmitting low frequency or high frequency radio frequency signals. 2 . The antenna assembly according to claim 1 , wherein a matching circuit is connected between the tuning switch and the radio frequency module, and the matching circuit is used to reduce the impedance of the first antenna structure. 3 . 3. The antenna assembly of claim 1, wherein the second antenna structure comprises a short-range communication antenna. 4. An electronic device, characterized in that the electronic device comprises an antenna assembly and a processor, wherein the antenna assembly includes a first antenna structure, a second antenna structure, a third antenna structure, a fourth antenna structure, a processing The device, wherein the first antenna structure, the second antenna structure and the third antenna structure are all arranged at the same end of the electronic device, and the fourth antenna structure is arranged at the other end of the electronic device , the first antenna structure is close to the third antenna structure, the second antenna structure is far away from the third antenna structure, the first antenna structure is a main set antenna, and the first antenna structure is used for low transmission and reception frequency, mid-frequency and high-frequency signals, the second antenna structure is a diversity antenna, the third antenna structure is a GPS antenna, and the frequency band of the radio frequency signal used by the GPS antenna for sending and receiving is close to the first antenna structure. A frequency band used for transmitting and receiving mid-band radio frequency signals, wherein the processing device includes a processing chip and a tuning switch, the processing chip and the tuning switch are used to adjust the resonance point of the first antenna structure, and the tuning switch and the third A low-frequency port, an intermediate-frequency port and a high-frequency port of an antenna structure are connected, and the processing chip detects that when the third antenna structure is in use, and adjusts the resonance point to the first antenna structure through the tuning switch The frequency is reconstructed, so that the first antenna is used to transmit radio frequency signals of a low frequency band or a high frequency band. 5 . The electronic device according to claim 4 , wherein the electronic device further comprises a housing, the housing comprises a carrier, the first antenna structure, the second antenna structure, the third antenna structure, the radio frequency The module and the control switch are arranged on the carrier, and the first antenna structure, the second antenna structure and the third antenna structure are located at the same end of the carrier. 6 . The electronic device according to claim 5 , wherein the electronic device further comprises a fourth antenna structure, and the fourth antenna structure is located in the first antenna structure, the second antenna structure and the third antenna structure. 7 . opposite end. 7 . The electronic device according to claim 5 , wherein the casing is provided with a first slit, a second slit and a third slit, and the first slit is sandwiched between the second slit and the Between the third slots, the first antenna structure is adjacent to the first slot, the second antenna structure is adjacent to the second slot, and the third antenna structure is adjacent to the third slot adjacent. 8. An antenna switching method, applied to an electronic device, wherein the electronic device comprises a processor and an antenna assembly, and the antenna assembly includes a first antenna structure, a second antenna structure, a third antenna structure, and a fourth antenna structure. An antenna and a processing device, wherein the first antenna structure is close to the third antenna structure, the second antenna structure is far away from the third antenna structure, the first antenna structure mainly collects antennas, and the second antenna structure is Diversity antenna, the third antenna structure is a GPS antenna, and the frequency band of the radio frequency signal used by the GPS antenna for sending and receiving is close to the frequency band of the first antenna structure used for sending and receiving the mid-band radio frequency signal; the processing device includes a processing chip and a tuning a switch, the tuning switch is connected to the low frequency port, the intermediate frequency port and the high frequency port of the first antenna structure; Obtain the use status of the third antenna structure through the processing chip; The frequency of the first antenna structure is reconstructed through a tuning switch according to the use state of the third antenna structure, so that the first antenna structure is used to transmit radio frequency signals of a low frequency band or a high frequency band.

Images