CN108232406B

CN108232406B - Antenna assembly and electronic equipment

Info

Publication number: CN108232406B
Application number: CN201810098896.XA
Authority: CN
Inventors: 曾志敏; 周林
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-01-31
Filing date: 2018-01-31
Publication date: 2020-02-14
Anticipated expiration: 2038-01-31
Also published as: CN108232406A

Abstract

The embodiment of the application provides an antenna assembly and electronic equipment, wherein the antenna assembly comprises a metal frame and a metal middle frame, the metal frame comprises a first edge and a third edge which are oppositely arranged, and a second edge and a fourth edge which are oppositely arranged, the first edge, the second edge, the third edge and the fourth edge are sequentially connected, and a hollow area is formed; the metal middle frame is arranged in the hollow area and is fixedly connected with the metal frame through a first plastic part; wherein, the third edge sets up in electronic equipment's bottom, and the third edge is including first ground point and the first end that the interval set up, and the first end of third edge passes through second plastic part and fourth side fixed connection, and the metal section between first ground point and the first end forms first antenna structure, and first antenna structure passes through first ground point and metal center electric connection and ground connection. The metal frame and the metal middle frame are separately arranged, the first antenna structure is arranged on the metal frame, the manufacturing cost is low, the structure is simplified, the yield can be improved, and the replacement cost is low.

Description

Antenna assembly and electronic equipment

Technical Field

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

Background

With the development of network technology and the improvement of the intelligent degree of electronic equipment, users can realize more and more functions such as conversation, chatting, game playing and the like through the electronic equipment. In order to realize these functions, an antenna is required for data transmission.

In the electronic device, the metal frame and the metal middle frame are integrally formed to form the integrated metal frame, and the antenna is disposed on the metal frame of the integrated metal frame, but the integrated metal frame and the metal middle frame are expensive to manufacture.

Disclosure of Invention

The embodiment of the application provides an antenna assembly and electronic equipment, which can reduce the manufacturing cost of the antenna assembly.

The embodiment of the application provides an antenna module, is applied to electronic equipment, and the antenna module includes:

the metal frame comprises a first edge and a third edge which are oppositely arranged, and a second edge and a fourth edge which are oppositely arranged, wherein the first edge, the second edge, the third edge and the fourth edge are sequentially connected to form a hollow area;

the metal middle frame is arranged in the hollow area and is fixedly connected with the metal frame through a first plastic part;

the third edge is arranged at the bottom end of the electronic device and comprises a first grounding point and a first end which are arranged at intervals, the first end of the third edge is fixedly connected with the fourth edge through a second plastic part, a first antenna structure is formed by the first grounding point and a metal section between the first ends, and the first antenna structure is electrically connected with the metal middle frame through the first grounding point and is grounded.

The embodiment of the application also provides electronic equipment, which comprises a shell and an antenna assembly, wherein the antenna assembly is arranged in the shell, and the antenna assembly is the antenna assembly.

The antenna assembly provided by the embodiment of the application comprises a metal frame and a metal middle frame, wherein the metal frame comprises a first side and a third side which are oppositely arranged, and a second side and a fourth side which are oppositely arranged, and the first side, the second side, the third side and the fourth side are sequentially connected to form a hollow area; the metal middle frame is arranged in the hollow area and is fixedly connected with the metal frame through a first plastic part; the third edge is arranged at the bottom end of the electronic equipment and comprises a first grounding point and a first end which are arranged at intervals, the first end of the third edge is fixedly connected with the fourth edge through a second plastic part, a metal section between the first grounding point and the first end forms a first antenna structure, and the first antenna structure is electrically connected with the metal middle frame through the first grounding point and is grounded. The metal frame and the metal middle frame are separately arranged, a first antenna structure is arranged on the metal frame, and the first antenna structure is used for antenna radiation. The metal frame and the metal middle frame can be manufactured respectively, the manufacturing cost is low, the structure of a single part is simplified, the yield can be improved, only one of the metal frame and the metal middle frame needs to be replaced, and the replacement cost is low.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a first structural schematic diagram of an electronic device according to an embodiment of the present application.

Fig. 2 is a second schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 3 is a third schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 4 is a fourth schematic structural diagram of an electronic device according to an embodiment of the present application.

Fig. 5 is a fifth structural schematic diagram of an electronic device according to an embodiment of the present application.

Fig. 6 is a first structural schematic diagram of an antenna assembly provided in an embodiment of the present application.

Fig. 7 is a partial first structural schematic diagram of an antenna assembly provided in an embodiment of the present application.

Fig. 8 is a second partial structural schematic diagram of an antenna assembly provided in an embodiment of the present application.

Fig. 9 is a partial third structural schematic diagram of an antenna assembly provided in an embodiment of the present application.

Fig. 10 is a partial fourth structural schematic diagram of an antenna assembly provided in an embodiment of the present application.

Fig. 11 is a second structural schematic diagram of an antenna assembly provided in an embodiment of the present application.

Fig. 12 is a schematic view of a fifth structure of a portion of an antenna assembly provided in an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

The embodiment of the application provides an antenna assembly, electronic equipment and an antenna switching method. The details will be described below separately. The antenna assembly can be arranged in the electronic device, and the electronic device can be a smart phone, a tablet computer and the like.

Referring to fig. 1 and fig. 2, fig. 1 is a first structural schematic diagram of an electronic device according to an embodiment of the present disclosure, and fig. 2 is a second structural schematic diagram of the electronic device according to the embodiment of the present disclosure. The electronic device 10 may include a cover 11, a display 12, a printed circuit board 13, a battery 14, a housing 15, a camera 16, and a fingerprint unlock module 17. It should be noted that the electronic device 10 shown in fig. 1 and 2 is not limited to the above, and may include other devices, or does not include the camera 16, or does not include the fingerprint unlocking module 17.

Wherein the cover plate 11 is mounted to the display screen 12 to cover the display screen 12. The cover plate 11 may be a transparent glass cover plate so that the display screen transmits light through the cover plate 11 for display. 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 with each other to form the housing 15, and the middle frame 151 and the rear cover 152 may form a receiving space to receive the printed circuit board 13, the display 12, the battery 14, and the like. Further, a cover plate 11 may be fixed to the housing 15, and the cover plate 11 and the housing 15 form a closed space to accommodate the printed circuit board 13, the display 12, the battery 14, and the like. In some embodiments, the cover plate 11 is disposed on the middle frame 151, the rear cover 152 is disposed on the middle frame 151, the cover plate 11 and the rear cover 152 are disposed on opposite sides of the middle frame 151, and the cover plate 11 and the rear cover 152 are disposed opposite to each other.

In some embodiments, the housing 15 may be a metal housing, such as a metal such as magnesium alloy, stainless steel, and the like. 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 manners may also be adopted, such as: the housing 15 may be a plastic housing. Also for example: the housing 15 is a ceramic housing. For 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 are matched with each other, specifically, the metal part may be formed first, for example, a magnesium alloy substrate is formed by injection molding, and then plastic is injected on the magnesium alloy substrate to form a plastic substrate, so as to form a complete housing structure.

It should be noted that, the structure of the housing 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 housing 15 structure, which directly has a receiving space for receiving the printed circuit board 13, the display 12, the battery 14, and the like.

The printed circuit board 13 is mounted in the housing 15, the printed circuit board 13 may be a motherboard of the electronic device 10, and one, two or more of the functional components such as the motor, the microphone, the speaker, the earphone interface, the usb interface, the camera 16, the distance sensor, the ambient light sensor, the receiver, and the processor may be integrated on the printed circuit board 13.

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

Wherein the battery 14 is mounted in the housing 15, the battery 14 being electrically connected to the printed circuit board 13 for providing power to the electronic device 10. The housing 15 may serve as a battery cover for the battery 14. The case 15 covers the battery 14 to protect the battery 14, and particularly, the rear cover covers the battery 14 to protect the battery 14, reducing damage to the battery 14 due to collision, dropping, and the like of the electronic apparatus 10.

Wherein the display 12 is mounted in the housing 15, and the display 12 is electrically connected to the printed circuit board 13 to form a display surface of the electronic device 10. The display screen 12 may include a display area and a non-display area. The display area may be used to display a screen of the electronic device 10 or provide a user with touch control. The top area of the non-display area is provided with an opening for conducting sound and light, and the bottom of the non-display area can be provided with functional components such as a fingerprint module, a touch key and the like. The cover plate 11 is mounted on the display 12 to cover the display 12, and may form the same display area and non-display area as the display 12 or different display areas and non-display areas.

Note that the structure of the display screen 12 is not limited to this. For example, the display 12 may be a special-shaped display, specifically, please refer to fig. 3, and fig. 3 is a third schematic structural diagram of the electronic device according to the embodiment of the present application. The electronic device in fig. 3 differs from the electronic device in fig. 1 in that: the electronic device 20 includes a display 22, a cover 21, a printed circuit board 23, a battery 24, and a housing 25. Wherein the display screen 22 has a light permeable area 28 formed directly thereon. Specifically, for example: the display screen 22 is provided with a through hole penetrating the display screen 22 in the thickness direction, and the light-permeable area 28 may include the through hole, and the through hole may be provided with functional components such as a front camera, an earphone, a sensor, and the like. For another example: the display screen 22 is provided with non-display areas, which the light permeable areas 28 may comprise. Wherein the cover plate 21 is adapted to the structural arrangement of the display screen 22. It should be noted that, the housing 25 may refer to the housing 15, the printed circuit board 23 may refer to the printed circuit board 13, and the battery 24 may refer to the battery 14, which are not described in detail herein.

Referring to fig. 4, fig. 4 is a fourth schematic structural diagram of an electronic device according to an embodiment of the present disclosure, where the electronic device in fig. 4 is different from the electronic device in fig. 1 in that: the electronic device 30 in fig. 4 includes a display screen 32, a cover plate 31, a printed circuit board 33, a battery 34, and a housing 35. The display screen 32 is provided with a notch 121 at its periphery, and the notch 121 can be used for placing functional components such as a front camera, an earphone, a sensor, and the like. The cover plate 31 is suitable for the structure of the display screen 11, the cover plate 31 may be provided with a large notch such as the notch 121, and the cover plate 31 may cover the notch 121. It should be noted that, the housing 3 may refer to the housing 15, the printed circuit board 33 may refer to the printed circuit board 13, and the battery 34 may refer to the battery 14, which are not described in detail herein.

It should be noted that, in some embodiments, the display 12 may not include the non-display area, but may be configured as a full-screen structure, and the functional components such as the distance sensor and the ambient light sensor may be disposed below the display or at other positions. Specifically, please refer to fig. 5, and fig. 5 is a fifth structural schematic diagram of an electronic device according to an embodiment of the present disclosure. The electronic device 40 includes a display 42, a cover 41, a printed circuit board 43, a battery 44, and a housing 45. Wherein the display screen 42 is overlaid on the housing 45 without a non-display area. Wherein, the cover plate 41 is suitable for the size setting of the display screen 42. It should be noted that, the housing 45 may refer to the housing 15, the printed circuit board 43 may refer to the printed circuit board 13, and the battery 44 may refer to the battery 14, which are not described herein again.

In some embodiments, the Display 12 may be a Liquid Crystal Display (LCD) or Organic Light-Emitting Diode (OLED) type Display. In some embodiments, when the display 12 is a liquid crystal display, the electronic device 10 may further include a backlight module, not shown, which can be referred to as a backlight module in the prior art.

In some embodiments, the electronic device 10 may also include an antenna structure for transceiving signals. The antenna structure may be mounted to the housing 15, such as to the bezel 151. The antenna structure may form a fixed connection structure with the middle frame 151, which is defined as an antenna assembly. The following description will be made in detail by taking an antenna assembly as an example.

Referring to fig. 6 and 7, fig. 6 is a first structural schematic diagram of an antenna assembly according to an embodiment of the present application, and fig. 7 is a partial first structural schematic diagram of the antenna assembly according to the embodiment of the present application. The antenna assembly 100 may include a metal bezel 500 and a metal middle bezel 600.

The metal frame 500 includes a first side 510 and a third side 530 disposed opposite to each other, and a second side 520 and a fourth side 540 disposed opposite to each other, wherein the first side 510, the second side 520, the third side 530 and the fourth side 540 are sequentially connected to each other, and form a hollow area.

The metal middle frame 600 is disposed in the hollow region, and the metal middle frame 600 is fixedly connected to the metal frame 500 through a first plastic part 710.

The third side 530 is disposed at a bottom end of the electronic device, the third side 530 includes a first grounding point 533 and a first end 531 that are disposed at an interval, the first end 531 of the third side 530 is fixedly connected to the fourth side 540 through a second plastic part 720, a metal segment between the first grounding point 533 and the first end 531 forms a first antenna structure 810, and the first antenna structure 810 is electrically connected to the metal bezel 600 through the first grounding point 533 and is grounded.

The metal frame 500 and the metal middle frame 600 are separately arranged, a gap is arranged between the metal frame 500 and the metal middle frame 600, plastic is filled in the gap to form a first plastic part 710, and the metal frame 500 and the metal middle frame 600 are fixed together by the first plastic part 710. The third side 530 of the metal bezel 500, i.e. the bottom side of the electronic device, is provided with a first antenna structure 810, the first antenna structure 810 being used for antenna radiation. The metal frame 500 and the metal middle frame 600 can be manufactured respectively, the manufacturing cost is low, the structure of a single part is simplified, the yield can be improved, only one of the metal frame and the metal middle frame needs to be replaced, and the replacement cost is low.

Referring to fig. 8, fig. 8 is a partial second structural schematic diagram of an antenna element according to an embodiment of the present application. The third side 530 includes a metal edge 570 extending along a first direction, one end of the metal edge 570 extends towards a fourth side 540 to form a first protrusion 581, an end of the first protrusion 581 is the first end 531, and a first engaging portion 591 extending towards the first plastic part 710 and fixedly connected with the first plastic part 710 is disposed on an inner surface of the first protrusion 581.

Wherein the first direction is perpendicular to the direction of the fourth side 540. The third side 530 is located at the bottom end of the electronic device, the first direction of the metal edge 570 of the third side 530 is a horizontal direction, and the direction of the fourth side 540 is a vertical direction, that is, the metal edge 570 is perpendicular to the fourth side 540, and the first protrusion 581 may be vertically connected to the metal edge 570 of the third side 530, or may be connected through an intermediate connecting member, which may be an arc. The first protrusion 581 extending from the metal edge 570 of the third side 530 to the fourth side 540 includes an inner surface facing the metal middle frame 600 and a corresponding outer surface, the inner surface of the first protrusion 581 extends towards the first plastic part 710 to form a first clamping portion 591, and the first clamping portion 591 is fixedly connected with the first plastic part 710. The fixing strength between the metal bezel 500 and the first plastic part 710 can be increased.

Referring to fig. 9, fig. 9 is a partial third structural schematic diagram of an antenna element according to an embodiment of the present application. The first catching portion 591 includes a first connection portion 592 extending inward from an inner surface of the first protrusion 581, and a second connection portion 593 extending from an end of the first connection portion 592 toward the first edge 510 or the third edge 530.

The first connection portion 592 of the first snap fit portion 591 extends inward from the inner surface of the first protrusion 581 and extends into the first plastic part 710, and an end of the first connection portion 592 extends toward the first edge 510 or the third edge 530 to form a second connection portion 593. Specifically, the first connection portion 592 may be perpendicular to an inner surface of the first protrusion 581, and the second connection portion 593 may be parallel to the inner surface of the first protrusion 581, so that the fixing strength of the metal bezel 500 and the metal bezel 600 is enhanced by the first connection portion 592 and the second connection portion 593 of the first snap-fit portion 591.

Referring to fig. 10, fig. 10 is a partial fourth structural schematic diagram of an antenna element according to an embodiment of the present application. The third side 530 further comprises a second end 532 opposite to the first end 531, the second end 532 of the third side 530 is fixedly connected to the second side 520 through a third plastic member 730, and a metal segment between the second end 532 of the third side 530 and the first ground point 533 forms a second antenna structure 820. The first ground point 533 divides the third side 530 into two adjacent antenna structures.

In some embodiments, the other end of the metal edge 570 extends toward the second edge 520 to form a second protrusion 582, the end of the second protrusion 582 is the second end 532, and a second locking portion 594 extending toward the first plastic part 710 and fixedly connected to the first plastic part 710 is disposed on an inner surface of the second protrusion 582. The second clip portion 594 may adopt the structure of the first clip portion 591 in any of the embodiments described above.

In some embodiments, a first snap-in portion 591 is disposed adjacent the first end 531. The third side 530 and the fourth side 540 of the metal frame 500 are separated from each other, that is, a gap is formed between the first end 531 of the third side 530 and the fourth side 540, the gap is filled with plastic to form a second plastic part 720, and the second plastic part 720 fixedly connects the first end 531 of the third side 530 and the fourth side 540. Thus, the notch reduces the strength of the metal frame 500, and the first clamping portion 591 adjacent to the first end 531 enhances the fixing strength of the third edge 530 and the first plastic part 710, thereby enhancing the overall strength of the metal frame 500.

In some embodiments, a second snap-in portion 594 is disposed adjacent to the second end 532. The third side 530 of the metal bezel 500 is separated from the second side 520, that is, a gap is formed between the second end 532 of the third side 530 and the second side 520, the gap is filled with plastic to form a third plastic part 730, and the third plastic part 730 fixedly connects the second end 532 of the third side 530 and the second side 520. So, this breach makes the intensity of metal frame 500 reduce, strengthens the fixed strength of third side 530 and first plastic part 710, the bulk strength of reinforcing metal frame 500 through the adjacent second joint portion 594 of second end 532.

In some embodiments, the first latch portion 591 is disposed adjacent to the first end 531 of the third side 530, and the second latch portion 594 is disposed adjacent to the second end 532 of the third side 530.

Referring to fig. 11, fig. 11 is a schematic diagram illustrating a second structure of an antenna element according to an embodiment of the present application. The first side 510 is disposed at a top end of the electronic device, the first side 510 includes a third end 513 and a fourth end 514 disposed opposite to each other, the third end 513 of the first side 510 is fixedly connected to the fourth side 540 through a fourth plastic member 740, the first side 510 is disposed with a second grounding point 512, the second grounding point 512 is disposed between the third end 513 and the fourth end 514, and a metal segment between the third end 513 of the first side 510 and the second grounding point 512 forms a third antenna structure 830.

In some embodiments, the metal segment between the fourth end 514 of the first side 510 and the second ground point 512 forms a fourth antenna structure 840.

Wherein, one or more clamping parts can be arranged on the third antenna structure and/or the fourth antenna structure. The clamping portion may adopt the structure of the first clamping portion in the above embodiment.

It should be noted that one or more clamping portions may be disposed on four sides of the metal frame. The clamping portion may adopt the structure of the first clamping portion in the above embodiment.

Wherein the third antenna structure 830 or the fourth antenna structure 840 may be a short-range antenna structure, and the short-range antenna structure may be used to transmit and/or receive WIFI signals or bluetooth signals.

Wherein the third antenna structure 830 or the fourth antenna structure 840 may be a positioning antenna structure that may be used to transmit and/or receive GPS signals.

In some embodiments, a first plastic part 710 is disposed around the metal middle frame 600, and one side of the first plastic part 710 is fixedly connected to the metal bezel 500 and the other side is fixedly connected to the metal middle frame 600.

The first plastic part 710 forms a plastic ring around the metal middle frame 600, and the plastic ring fixedly connects the metal frame 500 and the metal middle frame 600. Specifically, the separated metal frame 500 and the metal middle frame 600 may be disposed on the jig, a gap is disposed between the metal frame 500 and the metal middle frame 600, and the gap is filled with plastic to form the first plastic part 710. One side of the first plastic part 710 is fixedly connected to the metal frame 500, and the other side is fixedly connected to the metal middle frame 600.

Referring to fig. 12, fig. 12 is a schematic view illustrating a portion of a fifth structure of an antenna element according to an embodiment of the present application. The third side 530 of the metal bezel 500 includes a third connection portion 560 extending from the first grounding point 533 inwards to the metal bezel 600, and the third connection portion 560 is fixedly connected to the metal bezel 600 and grounded.

The third side 530 of the metal bezel 500 is provided with a third connecting portion 560 penetrating through the first plastic part 710. After the metal frame 500 and the metal middle frame 600 are connected by the first plastic part 710, they are fixedly connected by the third connecting part 560, and the third connecting part 560 is disposed on the first plastic part 710. The metal frame 500 may be fixedly connected to the metal middle frame 600 through the third connection portion 560 and then refilled with the first plastic part 710, and the third connection portion 560 may be disposed inside the first plastic part 710 or outside the first plastic part 710. The third connecting portion 560 may be integrally formed with the metal bezel 500, may be integrally formed with the metal middle frame 600, or may be a separate element. The metal middle frame 600 is grounded, the third connecting portion 560 is made of a metal material, and the third connecting portion 560 is fixedly connected to the metal middle frame 600 and electrically connected to the metal middle frame 600, so that the metal frame 500 is grounded through the third connecting portion 560 and the metal middle frame 600.

It should be noted that the first grounding point 533 of the third side 530 and the second end 532 may also be fixedly connected to the metal middle frame 600 through one or more third connection portions 560. One or more third connecting portions 560 may be disposed on the second side 520 and the fourth side 540 to be fixedly connected to the metal middle frame 600.

In some embodiments, the third connecting portion 560 is provided with a positioning hole 561, and the positioning hole 561 is used for being fixedly connected with the metal middle frame 600 through a metal screw and being grounded.

The third connection portion 560 may be fixedly connected to the metal middle frame 600 by a metal screw. The positioning hole 561 may also be a screw hole, a screw thread is disposed on an inner wall of the screw hole, and the screw is a screw and is fixedly connected to the screw on the screw hole through the screw thread on the screw.

In addition, the third connection portion 560 may also be fixedly connected to the metal middle frame 600 by welding.

It should be noted that one or more third connecting portions 560 may be further disposed on the second side 520 and the fourth side 540, so as to enhance the connecting strength between the metal frame and the metal middle frame.

It should be noted that the first antenna structure, the second antenna structure, the third antenna structure, and the fourth antenna structure may be understood as radiators in some embodiments.

The antenna assembly, the electronic device, and the antenna switching method provided in the embodiments of the present application are described in detail above, and specific examples are applied herein to illustrate the principles and embodiments of the present application, and the description of the above embodiments is only used to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. An antenna assembly for use in an electronic device, comprising:

the metal middle frame is arranged in the hollow area and fixedly connected with the metal frame through a first plastic part, and the metal middle frame is arranged between a cover plate and a rear cover of the electronic equipment;

the third edge is arranged at the bottom end of the electronic equipment and comprises first grounding points and first ends which are arranged at intervals, the first end of the third edge is fixedly connected with the fourth edge through a second plastic part, a first antenna structure is formed by a metal section between the first grounding point and the first end, and the first antenna structure is electrically connected with the metal middle frame through the first grounding point and is grounded;

the third side further comprises a second end opposite to the first end, the second end of the third side is fixedly connected with the second side through a third plastic part, and a metal section between the second end of the third side and the first grounding point forms a second antenna structure;

the third side comprises a third connecting part which extends inwards from the first grounding point to the metal middle frame, and the third connecting part is fixedly connected with the metal middle frame and is grounded through the metal middle frame.

2. The antenna assembly as claimed in claim 1, wherein the third side includes a metal edge extending along a first direction, one end of the metal edge extends along a fourth direction to form a first protrusion, an end of the first protrusion is the first end, and a first engaging portion extending along the first plastic member and fixedly connected to the first plastic member is disposed on an inner surface of the first protrusion.

3. The antenna assembly of claim 2, wherein the first clip portion includes a first connecting portion extending inward from an inner surface of the first protruding portion, and a second connecting portion extending from an end of the first connecting portion toward the first side direction or the third side direction.

4. The antenna assembly as claimed in claim 2, wherein the other end of the metal edge extends in a direction of a second edge to form a second protruding portion, an end of the second protruding portion is the second end, and a second engaging portion extending in the direction of the first plastic part and fixedly connected to the first plastic part is disposed on an inner surface of the second protruding portion.

5. The antenna assembly of claim 4, characterized in that the first clip part is arranged adjacent to a first end of the third side and/or the second clip part is arranged adjacent to a second end of the third side.

6. The antenna assembly of claim 1, wherein the first side is disposed at a top end of the electronic device, the first side includes a third end and a fourth end disposed opposite to each other, the third end of the first side is fixedly connected to the fourth side through a fourth plastic member, the first side is provided with a second grounding point, the second grounding point is disposed between the third end and the fourth end, and a metal segment between the third end of the first side and the second grounding point forms a third antenna structure.

7. The antenna assembly of claim 6, wherein the metal segment between the fourth end of the first side and the second ground point forms a fourth antenna structure.

8. The antenna assembly according to claim 1, wherein the third connecting portion is provided with a positioning hole, and the positioning hole is used for being fixedly connected with the metal middle frame through a metal screw and being grounded.

9. An electronic device comprising a housing and an antenna assembly disposed within the housing, the antenna assembly being the antenna assembly of any one of claims 1-8.