CN108232406B - Antenna assembly and electronic equipment - Google Patents

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 components and electronic equipment

technical field

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

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. To implement these functions, an antenna is required for data transmission.

In an electronic device, the metal frame and the metal middle frame are integrally formed to form an integral metal frame, and the antenna is arranged on the metal frame of the integral metal frame, but the integral manufacturing of the metal frame and the metal middle frame is expensive.

SUMMARY OF THE INVENTION

Embodiments of the present application provide an antenna assembly and an electronic device, which can reduce the manufacturing cost of the antenna assembly.

An embodiment of the present application provides an antenna assembly, which is applied to an electronic device, and the antenna assembly includes:

a metal frame, the metal frame includes a first side and a third side arranged oppositely, and a second side and a fourth side arranged oppositely, the first side, the second side, the third side and the fourth side are connected in sequence , and form a hollow area;

a metal middle frame, 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 side is arranged at the bottom end of the electronic device, the third side includes a first ground point and a first end arranged at intervals, and the first end of the third side is connected to the second plastic part through the second plastic part. The fourth side is fixedly connected, the metal segment between the first ground point and the first end forms a first antenna structure, and the first antenna structure is connected to the metal middle frame through the first ground point Electrically connected and grounded.

An embodiment of the present application further provides an electronic device, including a casing and an antenna assembly, the antenna assembly is disposed in the casing, and the antenna assembly is the above-mentioned antenna assembly.

The antenna assembly provided by the embodiment of the present application includes a metal frame and a metal middle frame, and the metal frame includes a first side and a third side arranged oppositely, and a second side and a fourth side arranged oppositely. The first side, the second side The side, the third side and the fourth side are connected in sequence to form a hollow area; the metal middle frame is arranged in the hollow area and is fixedly connected with the metal frame through the first plastic part; the third side is arranged at the bottom end of the electronic device, The third side includes a first ground point and a first end arranged at intervals, the first end of the third side is fixedly connected to the fourth side through the second plastic part, and the metal segment between the first ground point and the first end forms the third side. An antenna structure, the first antenna structure is electrically connected and grounded with the metal middle frame through the first ground point. The metal frame and the metal middle frame are arranged separately, and 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 separately, the manufacturing cost is low, the structure of a single component is simplified, the yield rate can be improved, and only one of them needs to be replaced, and the replacement cost is low.

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 diagram of a first structure of an electronic device provided by an embodiment of the present application.

FIG. 2 is a schematic diagram of a second structure of an electronic device provided by an embodiment of the present application.

FIG. 3 is a schematic diagram of a third structure of an electronic device provided by an embodiment of the present application.

FIG. 4 is a schematic diagram of a fourth structure of an electronic device provided by an embodiment of the present application.

FIG. 5 is a schematic diagram of a fifth structure of an electronic device provided by an embodiment of the present application.

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

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

FIG. 8 is a partial schematic diagram of the second structure of the antenna assembly provided by the embodiment of the present application.

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

FIG. 10 is a partial schematic diagram of the fourth structure of the antenna assembly provided by the embodiment of the present application.

FIG. 11 is a schematic diagram of a second structure of an antenna assembly provided by an embodiment of the present application.

FIG. 12 is a schematic diagram of part of the fifth structure of the antenna assembly provided by the 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 the like.

Please refer to FIG. 1 and FIG. 2 , FIG. 1 is a schematic diagram of a first structure of an electronic device provided by an embodiment of the present application, and FIG. 2 is a schematic diagram of a second structure 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 printed 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 11 can be a transparent glass cover plate, so that the display screen can be displayed by the transparent 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 16, 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 a third 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. FIG. 4 is a fourth schematic diagram of the structure of the electronic device provided by the 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 case 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 a fifth structural schematic 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 structure for transmitting and receiving signals. The antenna structure 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 an antenna assembly. The antenna assembly is taken as an example for detailed description below.

Please refer to FIG. 6 and FIG. 7 , FIG. 6 is a schematic diagram of a first structure of an antenna assembly provided by an embodiment of the present application, and FIG. 7 is a schematic diagram of a partial first structure of an antenna assembly provided by an embodiment of the present application. The antenna assembly 100 may include a metal frame 500 and a metal middle frame 600 .

The metal frame 500 includes a first side 510 and a third side 530 arranged oppositely, and a second side 520 and a fourth side 540 arranged oppositely. The first side 510 and the second side 520 , the third side 530 and the fourth side 540 are connected in sequence to form a hollow area.

The metal middle frame 600 is disposed in the hollow area and is fixedly connected with the metal frame 500 through the first plastic part 710 .

The third side 530 is disposed at the bottom end of the electronic device, the third side 530 includes a first ground point 533 and a first end 531 arranged at intervals, and the first end 531 of the third side 530 passes through the second plastic The component 720 is fixedly connected to the fourth side 540, the metal section between the first ground point 533 and the first end 531 forms a first antenna structure 810, and the first antenna structure 810 passes through the first antenna structure 810. The ground point 533 is electrically connected to the metal middle frame 600 and grounded.

The metal frame 500 and the metal middle frame 600 are disposed separately, and a gap is formed between the metal frame 500 and the metal middle frame 600 . The gap is filled with plastic to form a first plastic part 710 , and the first plastic part 710 connects the metal frame 500 and the metal middle frame. Frame 600 is secured together. A first antenna structure 810 is disposed on the third side 530 of the metal frame 500 , that is, the bottom end of the electronic device, and the first antenna structure 810 is used for antenna radiation. The metal frame 500 and the metal middle frame 600 can be manufactured separately, the manufacturing cost is low, the structure of a single component is simplified, the yield rate can be improved, and only one of them needs to be replaced, and the replacement cost is low.

Please refer to FIG. 8. FIG. 8 is a partial schematic diagram of a second structure of an antenna assembly provided by an embodiment of the present application. The third edge 530 includes a metal edge 570 extending along the first direction, one end of the metal edge 570 extends toward the fourth edge 540 to form a first protrusion 581 , and the end of the first protrusion 581 is the first protrusion 581 . At one end 531 , the inner surface of the first protruding portion 581 is provided with a first engaging portion 591 extending toward the first plastic member 710 and fixedly connected to the first plastic member 710 .

The first direction is perpendicular to the direction in which the fourth side 540 is located. The third side 530 is located at the bottom of the electronic device, the first direction of the metal side 570 of the third side 530 is the horizontal direction, and the direction of the fourth side 540 is the vertical direction, that is, the metal side 570 is perpendicular to the fourth side 540, The first protruding portion 581 may be vertically connected with the metal edge 570 of the third edge 530, or may be connected through an intermediate connecting piece, and the intermediate connecting piece may be arc-shaped. The first protrusion 581 extending from the metal side 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 faces the first plastic part 710 A first engaging portion 591 is formed extending in the direction, and the first engaging portion 591 is fixedly connected with the first plastic part 710 . The fixing strength between the metal frame 500 and the first plastic part 710 can be increased.

Please refer to FIG. 9 , which is a partial third structural schematic diagram of an antenna assembly provided by an embodiment of the present application. The first engaging portion 591 includes a first connecting portion 592 extending inward from the inner surface of the first protruding portion 581 , and a direction or any direction from the end of the first connecting portion 592 to the first edge 510 or any other direction. The second connecting portion 593 extending in the direction of the third side 530 is formed.

The first connecting portion 592 of the first engaging portion 591 extends inward from the inner surface of the first protruding portion 581 and protrudes into the interior of the first plastic part 710 . The side 530 extends in the direction to form a second connecting portion 593 . Specifically, the first connecting portion 592 can be perpendicular to the inner surface of the first protruding portion 581 , and the second connecting portion 593 can be parallel to the inner surface of the first protruding portion 581 . In this way, the first connection through the first clamping portion 591 The portion 592 and the second connecting portion 593 enhance the fixing strength of the metal frame 500 and the metal middle frame 600 .

Please refer to FIG. 10. FIG. 10 is a partial schematic diagram of the fourth structure of the antenna assembly provided by the embodiment of the present application. The third side 530 further includes 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 part 730 . The metal segment between the second end 532 of the three sides 530 and the first ground point 533 forms the 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 the second protrusion 582 A second clamping portion 594 extending in the direction of the first plastic part 710 and fixedly connected with the first plastic part 710 is provided on the inner surface of the . The second engaging portion 594 may adopt the structure of the first engaging portion 591 in any of the above embodiments.

In some embodiments, the first engaging portion 591 is disposed adjacent to the first end 531 . The third side 530 of the metal frame 500 is separated from the fourth side 540 , that is, there is a gap between the first end 531 of the third side 530 and the fourth side 540 , and the gap is filled with plastic to form the second plastic part 720 . The member 720 securely connects the first end 531 of the third side 530 and the fourth side 540 . In this way, the gap reduces the strength of the metal frame 500 , and the fixing strength of the third side 530 and the first plastic part 710 is enhanced by the first engaging portion 591 adjacent to the first end 531 , thereby enhancing the overall strength of the metal frame 500 .

In some embodiments, the second engaging portion 594 is disposed adjacent to the second end 532 . The third side 530 of the metal frame 500 is separated from the second side 520 , that is, there is a gap between the second end 532 of the third side 530 and the second side 520 , and the gap is filled with plastic to form a third plastic part 730 . The member 730 securely connects the second end 532 of the third side 530 to the second side 520 . In this way, the gap reduces the strength of the metal frame 500 , and the second clamping portion 594 adjacent to the second end 532 enhances the fixing strength of the third side 530 and the first plastic part 710 , thereby enhancing the overall strength of the metal frame 500 .

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

Please refer to FIG. 11 . FIG. 11 is a schematic diagram of a second structure of an antenna assembly provided by an embodiment of the present application. The first side 510 is disposed at the top of the electronic device, the first side 510 includes a third end 513 and a fourth end 514 arranged opposite to each other, and the third end 513 of the first side 510 is connected to all the The fourth side 540 is fixedly connected, the first side 510 is provided with a second ground point 512, the second ground point 512 is arranged between the third end 513 and the fourth end 514, the The metal segment between the third end 513 of the first side 510 and the second ground point 512 forms the 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 the fourth antenna structure 840 .

Wherein, one or more clamping parts may be provided on both the third antenna structure and/or the fourth antenna mechanism. The engaging portion may adopt the structure of the first engaging portion in the above-mentioned embodiment.

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

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.

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

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

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

Please refer to FIG. 12 . FIG. 12 is a schematic diagram of part of the fifth structure of the antenna assembly provided by the embodiment of the present application. The third side 530 of the metal frame 500 includes a third connecting portion 560 extending inward from the first ground point 533 to the metal middle frame 600 , and the third connecting portion 560 is fixedly connected to the metal middle frame 600 and ground.

The third side 530 of the metal frame 500 is provided with a third connecting portion 560 passing through the first plastic member 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 . Alternatively, the metal frame 500 can be fixedly connected to the metal middle frame 600 through the third connecting part 560, and then the first plastic part 710 is filled. The third connecting part 560 can be arranged in the first plastic part 710 or in the first Outside the plastic part 710. The third connecting portion 560 may be integrally formed with the metal frame 500 , may be integrally formed with the metal middle frame 600 , or may be a separate element. The metal middle frame 600 is grounded, and the material of the third connecting portion 560 is also made of metal material. The third connecting portion 560 is fixedly connected to the metal middle frame 600 and is also electrically conductive, so that the metal frame 500 passes through the third connecting portion 560 . And the metal middle frame 600 is grounded.

It should be noted that, the first ground 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 parts 560 . One or more third connection parts 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, a positioning hole 561 is provided on the third connecting portion 560 , and the positioning hole 561 is used for fixedly connecting and grounding the metal middle frame 600 through metal screws.

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

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 connection parts 560 may also be provided on the second side 520 and the fourth side 540 to enhance the connection 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 by the embodiments of the present application have been introduced in detail above. The principles and implementations of the present application are described in this article by using specific examples. 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 (9)

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

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 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.

Images