CN108023981B - Middle frame assembly and electronic equipment - Google Patents

Abstract

The embodiment of the application discloses center subassembly and electronic equipment, wherein, the center subassembly includes center and antenna radiating body, the center includes ring frame, antenna radiating body demountable installation in the ring frame is inboard, antenna radiating body salient in the ring frame is inboard. The antenna radiator is detachably connected with the middle frame, the antenna radiator can be conveniently replaced, when the antenna radiator is damaged, the antenna radiator only needs to be detached and replaced, replacement cost is low, and installation and maintenance are facilitated. Meanwhile, the antenna radiators with different functions or different frequency bands can be set according to different requirements, and the interfaces of various antenna radiators are set to be uniform in specification.

Description

Middle frame assembly and electronic equipment

Technical Field

The application relates to the technical field of electronic equipment, in particular to a middle frame assembly and electronic equipment.

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.

The user realizes signal transmission through the antenna of the electronic equipment in the conversation and chat processes of the electronic equipment. The conventional antenna is manufactured by cutting one or more openings in a frame of a middle frame and setting the cut portions as antennas. However, the broken portion is provided as an antenna, which may break the continuity of the bezel and reduce the strength of the bezel. And the whole middle frame needs to be replaced after the antenna radiator is damaged.

Disclosure of Invention

The embodiment of the application provides a middle frame assembly and an electronic device, and the whole middle frame does not need to be replaced, and only an antenna radiating body on the middle frame needs to be replaced.

In a first aspect, an embodiment of the present application provides a middle frame assembly, which includes a middle frame and an antenna radiator, where the middle frame includes a ring frame, the antenna radiator is detachably mounted on an inner side of the ring frame, and the antenna radiator protrudes from an inner side of the ring frame.

In a second aspect, an embodiment of the present application further provides an electronic device, where the electronic device includes a middle frame assembly, and the middle frame assembly is the middle frame assembly described above.

According to the middle frame assembly provided by the embodiment of the application, the antenna radiating body is detachably arranged on the inner side of the annular frame of the middle frame, and the antenna radiating body protrudes out of the inner side of the annular frame. The antenna radiator is detachably connected with the annular frame, the antenna radiator can be conveniently replaced, when the antenna radiator is damaged, the antenna radiator only needs to be detached and replaced, replacement cost is low, and installation and maintenance are facilitated. Meanwhile, the antenna radiators with different functions or different frequency bands can be set according to different requirements, and the interfaces of various antenna radiators are set to be uniform in specification.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

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 first structural schematic diagram of a middle frame assembly according to an embodiment of the present application.

Fig. 6 is a second structural schematic diagram of a middle frame assembly according to an embodiment of the present application.

Fig. 7 is a third structural schematic diagram of a middle frame assembly according to an embodiment of the present application.

Fig. 8 is a fourth structural diagram of a middle frame assembly according to an embodiment of the present application.

Fig. 9 is a schematic diagram of a plug connection structure between a middle frame and an antenna radiator according to an embodiment of the present application.

Fig. 10 is a schematic view of a snap connection structure between a middle frame and an antenna radiator according to an embodiment of the present application.

Fig. 11 is a fifth structural schematic diagram of an electronic device according to an embodiment of the present application.

Fig. 12 is a fifth structural schematic diagram of an electronic device according to 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 a middle frame assembly and electronic equipment. The details will be described below separately.

In the present embodiment, the description will be made from the perspective of a middle frame assembly, which may be specifically provided in an electronic device, such as a mobile phone, a tablet computer, a Personal Digital Assistant (PDA), and the like.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The electronic device 1 comprises a housing 10, an antenna radiator 20, a printed circuit board 30, a display 40, a battery 50.

Wherein, the case 10 may include a cover plate 11, a middle frame 12 and a rear cover 13, the cover plate 11, the middle frame 12 and the rear cover 13 are combined with each other to form the case 10, and the case 10 has a closed space formed by the cover plate 11, the middle frame 12 and the rear cover 13 to accommodate the antenna radiator 20, the printed circuit board 30, the display screen 40, the battery 50 and the like. In some embodiments, the cover plate 11 is covered on the middle frame 12, the rear cover 13 is covered on the middle frame 12, the cover plate 11 and the rear cover 13 are located on opposite sides of the middle frame 12, the cover plate 11 and the rear cover 13 are oppositely arranged, and the closed space of the housing 10 is located between the cover plate 11 and the rear cover 13.

In some embodiments, the housing 10 may be a metal housing. It should be noted that the material of the housing 10 in the embodiment of the present application is not limited to this, and other manners may also be adopted, such as: the housing 10 may include a plastic portion and a metal portion. For another example: the housing 10 may be a plastic housing. Also for example: the housing 10 may be a metal and plastic housing structure. The cover plate 11 may be a transparent glass cover plate. In some embodiments, the cover plate 11 may be a glass cover plate made of a material such as sapphire.

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 middle frame 12 structure. Specifically, the housing 10 includes a cover plate 11 and a middle frame 12, and the cover plate 11 and the middle frame 12 are fixed to each other to form a closed space for accommodating the antenna radiator 20, the printed circuit board 30, the display screen 40, the battery 50, and other components.

Wherein the periphery of the housing 10 comprises a first side 101, a second side 102, a third side 103 and a fourth side 104 connected end to end. Wherein the first side portion 101 and the third side portion 103 are oppositely disposed, and the second side portion 102 and the fourth side portion 104 are oppositely disposed.

Referring to fig. 2, fig. 2 is another schematic structural diagram of an electronic device according to an embodiment of the present disclosure. The housing 10 may be provided with an earphone hole 105, a microphone hole 106, a speaker hole 108, a usb interface hole 107 at its periphery. The earphone hole 105, the microphone hole 106, the speaker hole 108, and the usb interface hole 107 are all through holes.

Wherein the antenna radiator 20 is installed inside the case 10. The antenna radiator 20 is used to transmit a wireless signal to the outside or receive a wireless signal transmitted from another electronic device. The antenna radiator 20 may be, for example, a radio frequency antenna, a bluetooth antenna, a wireless fidelity (WiFi) antenna, or the like.

In some embodiments, the antenna radiator 20 may be disposed on the cover plate 11, the antenna radiator 20 may be disposed on the middle frame 12, and the antenna radiator 20 may be disposed on the rear cover 13. In some embodiments, the antenna radiator 20 is disposed on the middle frame 12, and the antenna radiator 20 is disposed on the middle frame 12 to form a middle frame assembly. I.e. the middle frame assembly comprises a middle frame 12 and an antenna radiator 20.

Wherein the antenna radiator 20 may be directly and integrally formed with the middle frame 12. Specifically, the middle frame 12 may include a metal substrate, such as a magnesium alloy substrate, and the antenna radiator 20 is made of magnesium alloy, and the metal substrate antenna radiator 20 is injection molded in the same process. The antenna radiator 20 may also be removably secured to the center frame 12, such as by screws that thread the antenna radiator to the center frame 12. It should be noted that the fixing method of the antenna radiator 20 and the middle frame 12 is not limited to this, and the fixing method may also be performed by clipping, inserting, or gluing. Therefore, the antenna radiator is arranged at the peripheral position of the metal substrate, the middle frame can be integrally formed, the middle frame has continuity and integrity, the strength is high, and the strength of the middle frame can be increased.

In some embodiments, the antenna radiator 20 is disposed at the third side 103 of the housing 10, or the antenna radiator 20 is adjacent to the third side 103 of the housing 10, or the antenna radiator 20 is close to the third side of the housing 10. And, the antenna radiator 20 is close to the second side portion 102. Specifically, the antenna radiator 20 is located at a corner position between the third side 103 and the second side 102.

It should be noted that the antenna radiator 20 may also be disposed at other positions, such as: referring to fig. 3, fig. 3 is another schematic structural diagram of an electronic device according to an embodiment of the present application. The electronic device shown in fig. 3 differs from the electronic device shown in fig. 1 in that: the antenna radiator 20 is disposed at the first side 101 of the housing 10, and the antenna radiator 20 may be disposed near the fourth side 104 or near the second side 102. It should be noted that, in some other embodiments, the antenna radiator 20 may also be disposed at the second side portion 102 of the casing 10 or at the fourth side portion 104 of the casing 10, which is not illustrated herein.

The printed circuit board 30 is mounted in the housing 10, the printed circuit board 30 may be a motherboard of the electronic device 1, and one, two or more of the functional components 60 such as the motor, the microphone 62, the speaker 64, the earphone interface 61, the universal serial bus interface 63, the camera, the distance sensor, the ambient light sensor, the receiver, and the processor may be integrated on the printed circuit board 30. The printed circuit board 30 may be integrated with a microphone 62, a speaker 64, a headphone interface 61, a universal serial bus interface 63. The earphone interface 61 is disposed at the earphone hole 105, the microphone 62 is disposed at the microphone hole 106, the usb interface 63 is disposed at the usb interface hole 107, and the speaker 64 is disposed at the speaker hole 108.

In some embodiments, the printed circuit board 30 is secured within the housing 10. Specifically, the printed circuit board 30 may be screwed to the middle frame 12 by screws, or may be snapped to the middle frame 12 by a snap-fit manner. It should be noted that the way of fixing the printed circuit board 30 to the middle frame 12 is not limited to this, and other ways, such as a way of fixing by a snap and a screw, may also be used.

Wherein the battery 50 is mounted in the housing 10, and the battery 50 is electrically connected to the printed circuit board 30 to supply power to the electronic device 1. The case 10 may serve as a battery cover of the battery 50. The case 10 covers the battery 50 to protect the battery 50, and particularly, the rear cover covers the battery 50 to protect the battery 50, reducing damage of the battery 50 due to collision, falling, and the like of the electronic apparatus 1.

Wherein the display screen 40 is installed in the housing 10, and at the same time, the display screen 40 is electrically connected to the printed circuit board 30 to form a display surface of the electronic device 1. The display screen 40 includes a display area 111 and a non-display area 112. The display area 111 may be used to display a screen of the electronic device 1 or provide a user with touch control. The top area of the non-display area 112 is provided with an opening for transmitting sound and light, and the bottom of the non-display area 112 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 screen 40 to cover the display screen 40, and forms the same display area and non-display area as the display screen 40, which can be referred to specifically as the display area and the non-display area of the display screen 40.

The structure of the display screen 40 is not limited to this. For example, the display screen may be a full-screen or an opposite-type screen, specifically, please refer to fig. 4, and fig. 4 is another schematic structural diagram of the electronic device according to the embodiment of the present application. The electronic device in fig. 4 differs from the electronic device in fig. 1 in that: the non-display area is directly formed on the display screen 40, for example, the non-display area of the display screen 40 is set to be a transparent structure or a through hole structure so that an optical signal passes through, or the non-display area of the display screen 40 is directly provided with a hole or a notch for light conduction, and the like, and the front camera, the distance sensor, the ambient light sensor and the like can be arranged at the position of the non-display area so that the front camera can take a picture and the photoelectric sensor can detect the light.

It should be noted that, in some embodiments, the display screen 40 may not include the non-display area, but is configured in a full-screen structure, and the distance sensor and the ambient light sensor may be disposed below the display screen.

In some embodiments, please refer to fig. 5, and fig. 5 is a first structural diagram of a middle frame assembly according to an embodiment of the present disclosure. The middle frame assembly 70 includes a middle frame 12 and an antenna radiator 20, the middle frame 12 includes a ring frame 124, the antenna radiator 20 is detachably mounted inside the ring frame 124, and the antenna radiator 20 protrudes from the inside of the ring frame 124.

The loop frame 124 itself may include a metal part, the metal part of the loop frame 124 is a part of the antenna, and the metal part of the loop frame 124 is connected to the antenna radiator 20, so as to achieve the function of transmitting and receiving the antenna signal through the antenna radiator 20 without affecting the structure and material of the original loop frame 124. And the antenna radiator 20 is detachably connected to the ring frame 124. Therefore, the antenna radiator 20 can be conveniently replaced, when the antenna radiator 20 is damaged, the antenna radiator 20 is only required to be detached for replacement, the replacement cost is low, and the installation and the maintenance are convenient. Meanwhile, the antenna radiators 20 with different functions or different frequency bands may be set according to different needs, and it is only necessary to set the interfaces of the various antenna radiators 20 to a uniform specification. The antenna radiator 20 is detachably mounted on the inner side of the ring frame 124, so that the thickness of the ring frame 124 is not easily increased, and the thickness of the whole electronic device such as a smart phone is affected. The antenna radiator 20 protrudes out of the annular frame 124, so that the antenna radiator is convenient to take, disassemble and assemble, and antenna signals are convenient to send and receive.

Wherein this ring frame 124 is rectangle ring frame, and is concrete, and four angles of this rectangle ring frame can set up to the right angle, also can set up to the fillet, and two arbitrary sides of this rectangle ring frame are connected through arc connecting portion promptly. The antenna radiator 20 is detachably mounted inside the annular frame 124, the thickness of the annular frame 124 is not increased, and the antenna radiator 20 can be disposed in an empty space according to the space condition inside the electronic device, so that the structure is more compact, and a lot of interference areas can be avoided. The loop frame 124 includes a metal portion through which the antenna radiator 20 is coupled with the printed circuit board 30.

In some embodiments, the antenna radiator 20 may be removably mounted on top of the annular frame 124. The printed circuit board 30 is disposed on the top of the annular frame 124, and the corresponding antenna needs to be disposed on the printed circuit board 30, so that the detachably mounted antenna radiator 20 is disposed on the top of the annular frame 124, and the antenna feeding terminal is disposed on the printed circuit board 30, and then the antenna feeding terminal is coupled to the antenna radiator 12 through the metal dome. It should be noted that the antenna on the printed circuit board 30 may be connected to the metal portion of the annular frame 124 first, and then coupled to the antenna radiator 20 through the metal portion of the annular frame 124, so that a metal elastic sheet or the like is not required, and the position of the antenna radiator 20 may be shifted from the vertical direction to the horizontal direction of the printed circuit board 30, thereby reducing the thickness of the electronic device.

In some embodiments, please refer to fig. 6, and fig. 6 is a second structural diagram of a middle frame assembly according to an embodiment of the present disclosure. The antenna radiator 20 may be detachably mounted to the bottom of the ring frame 124. The printed circuit board 30 is disposed at the bottom of the annular frame 124, and the corresponding antenna needs to be disposed on the printed circuit board 30, so that the detachably mounted antenna radiator 20 is disposed at the bottom of the annular frame 124, and the antenna feeding terminal is disposed on the printed circuit board 30, and then the antenna feeding terminal is coupled with the antenna radiator 20 through the metal dome. It should be noted that the antenna on the printed circuit board 30 may be connected to the metal portion of the loop frame 1242 first, and then coupled to the antenna radiator 20 through the metal portion of the loop frame 124, so that a metal spring or the like is not required, and the position of the antenna radiator 20 may be shifted from the vertical direction to the horizontal direction of the printed circuit board 30, thereby reducing the thickness of the electronic device.

In some embodiments, the antenna radiator 20 includes a plurality of sub-antenna radiators 201, and the plurality of sub-antenna radiators 201 are detachably mounted on the top and bottom of the ring frame 124. The electronic apparatus 1 includes a first printed circuit board 31 and a second printed circuit board 32, the first printed circuit board 31 being disposed on the top of the ring frame 124, and the second printed circuit board 32 being disposed on the bottom of the ring frame 124. The first printed circuit board 31 and the second printed circuit board 32 need to be provided with a corresponding first antenna and a corresponding second antenna, so that the first sub-antenna radiator 202 and the second sub-antenna radiator 203 which are detachably mounted are arranged at the top and the bottom of the annular frame 124, and the first printed circuit board 31 and the second printed circuit board 32 are provided with antenna feeding terminals, and then the antenna feeding terminals are respectively coupled with the first sub-antenna radiator 202 and the second sub-antenna radiator 203 through metal elastic pieces. It should be noted that the antennas on the first printed circuit board 21 and the second printed circuit board 32 may be connected to the metal portion of the annular frame 124 first, and then coupled to the first sub-antenna radiator 202 and the second sub-antenna radiator 203 through the metal portion of the annular frame 124, so that components such as metal clips are not required, and the coupling position of the first sub-antenna radiator 202 and the second sub-antenna radiator 203 may be shifted from the vertical direction to the horizontal direction of the printed circuit board 30, thereby reducing the thickness of the electronic device.

In some embodiments, please refer to fig. 7, and fig. 7 is a third structural diagram of a middle frame assembly according to an embodiment of the present disclosure. The antenna radiator 20 includes a plurality of sub-antenna radiators 201, and the plurality of sub-antenna radiators 201 are detachably mounted to four ends of the ring frame 124. The electronic device 1 requires a plurality of antennas, such as antennas corresponding to two or more of bluetooth signals, Wireless-Fidelity (Wi-Fi) signals, high-frequency radio frequency signals, intermediate-frequency radio frequency signals, and low-frequency radio frequency signals, respectively, and each antenna requires an antenna radiator. Therefore, the antenna radiator 20 includes a plurality of sub-antenna radiators 201, the plurality of sub-antenna radiators 201 correspond to one signal, the plurality of sub-antenna radiators 201 are detachably mounted at four ends of the annular frame 124, and the plurality of sub-antenna radiators 201 are separately disposed, so that mutual interference is reduced. Of course, the plurality of sub antenna radiators 201 may also be disposed at two or three ends of the ring frame 124, wherein one, two or more antenna radiators 201 may be disposed at each end.

In some embodiments, the upper surface of the antenna radiator 20 is lower than the upper surface of the frame 124, and the lower surface of the antenna radiator 20 is lower than the lower surface of the ring frame 124. The antenna radiator 20 is horizontally disposed on the ring frame 124, so that the thickness of the ring frame 124 and the middle frame 12 is not increased, i.e., the thickness of the electronic device such as a smart phone is not affected.

In some embodiments, please refer to fig. 8, and fig. 8 is a fourth structural diagram of a middle frame assembly according to an embodiment of the present disclosure. The middle frame 12 further includes a mounting plate 125, the mounting plate 125 is disposed in the annular frame 124, and the antenna radiator 20 is detachably mounted on the mounting plate 125. The middle frame 12 may include a mounting plate 125, and the mounting plate 125 may be disposed on the top of the ring frame 124 or on the bottom of the ring frame 124. The width of the mounting plate 125 may be the same as the width of the ring frame 124 or may be less than the width of the ring frame 124. When the width of the mounting plate 125 is smaller than the width of the ring frame 124, the mounting plate 125 is disposed on the top side or the bottom side of the ring frame 124. The mounting plate 125 may be a rectangular mounting plate, a square mounting plate, or an irregular mounting plate. The antenna radiator 20 is detachably mounted on the mounting plate 125 without affecting the strength of the middle frame. The antenna radiator 20 may be detachably mounted on the mounting plate 125 and coupled to the antenna by means of metal clips, welding, metal wires, or the like.

In some embodiments, the antenna radiator 20 may also be removably mounted to the edge of the mounting plate 125. The antenna radiator 20 is convenient to mount and dismount, and can be conveniently replaced in later maintenance. The antenna radiator 20 includes a plurality of sub-antenna radiators 201, which may be disposed at different positions on the edge of the mounting board 125, respectively. For example, the top and one side of the mounting board 125 are connected to the middle frame 124, the bottom and the other side of the mounting board 125 are suspended, and the plurality of sub-antenna radiators 201 may be respectively disposed on the bottom and the edge of the other side of the mounting board, so as to reduce interference between different sub-antenna radiators.

In some embodiments, the plurality of sub antenna radiators 201 may be partially disposed on the mounting board 125, i.e., disposed in a vertical direction of the mounting board 125; a portion of which is disposed outside the edge of the mounting plate 125. I.e., a portion disposed in the horizontal direction of the mounting plate 125.

In some embodiments, the plurality of sub-antenna radiators 201 may be disposed partially on the annular frame 124 and partially on the mounting board 125.

In some embodiments, please refer to fig. 9, and fig. 9 is a schematic diagram illustrating a plug connection structure between a middle frame and an antenna radiator according to an embodiment of the present disclosure. The antenna radiator 20 is connected with the middle frame 12 in a plugging mode, and detachable connection is achieved. Specifically, the antenna radiator 20 is provided with a protruding plugging portion 202, the middle frame 12 is provided with a plugging hole 126 corresponding to the plugging portion 202, and the aperture of the plugging hole 126 is slightly smaller than that of the plugging portion 202, so as to achieve the effect of fixing the two. Of course, a clamping device, such as an elastic clamping wall, may be disposed in the insertion hole 126 to achieve the function of fixing the insertion part 202. After the antenna radiator 20 is inserted into the middle frame 12, the connection between the antenna radiator 20 and the antenna feed end on the printed circuit board 30 is realized through a wire, a metal spring, and the like. The plugging portion 202 may be made of metal, and the inner wall of the plugging hole 126 is also made of metal, which may be conducted, and then the antenna radiator 20 is conducted with the metal portion of the middle frame 12 through the plugging portion 202 and the plugging hole 126, and the metal portion of the middle frame 12 is conducted with the antenna signal source. It should be noted that, the antenna radiator may be provided with a plug hole, and the middle frame corresponds to the plug portion of the through groove of the buckle. The antenna radiator 20 and the ring frame 124 or the mounting board 125 may adopt the above-described plugging structure.

In some embodiments, please refer to fig. 10, where fig. 10 is a schematic view of a fastening connection structure between a middle frame and an antenna radiator according to an embodiment of the present application. The antenna radiator 20 is connected with the middle frame 12 in a buckling mode, and detachable connection is achieved. Specifically, the antenna radiator 20 is provided with a protruding fastening portion 203, the middle frame 12 is provided with a fastening through groove 127 corresponding to the insertion portion, the fastening portion 203 is provided with a chamfer, and the fastening portion 203 makes the antenna radiator not easily separate from the middle frame through the chamfer after passing through the fastening through groove 127. Other snap features may of course be used to achieve a snap connection. If the middle frame is provided with the through groove, the side wall of one side of the through groove is provided with the opening, the antenna radiating body is provided with the elastic protrusion, only one end of the elastic protrusion is fixed with the antenna radiating body, the elastic protrusion is pressed down to enter the middle frame, and the elastic protrusion bounces after reaching the opening so as to realize the buckling connection of the antenna radiating body and the middle frame. After the antenna radiator is connected with the middle frame in a buckling mode, the connection of the antenna radiator and the antenna feed end on the printed circuit board is achieved through the conducting wire, the metal elastic sheet and the like. The clamping part can be made of metal, the inner wall of the through groove of the buckle is made of metal and can be conducted, then the antenna radiator is conducted with the metal part of the middle frame through the clamping part and the through groove of the buckle, and the metal part of the middle frame is conducted with the antenna signal source. It should be noted that the antenna radiator 20 may be provided with a through fastening groove 127, and the middle frame corresponds to the fastening portion 203 of the through fastening groove 127. The antenna radiator 20 and the ring frame 124 or the mounting board 125 may adopt the above-described snap structure.

In some embodiments, the antenna radiator includes a first connection portion, the annular frame includes a second connection portion connected to the first connection portion by plugging or snapping, the first connection portion and the second connection portion are made of metal, and the second connection portion forms an antenna feeding end. The first connecting part may be the inserting part in the above embodiment, and the second connecting part may be the inserting hole in the above embodiment; the first connecting portion may be the bayonet portion in the above embodiment, and the second connecting portion may be the through-groove in the above embodiment.

In some embodiments, the material of the antenna radiator 20 may be magnesium alloy. It should be noted that the antenna radiator may refer to the above contents, and is not described herein again.

In some embodiments, the material of the ring frame 124 may be magnesium alloy. It should be noted that the ring frame 124 can refer to the above contents, and is not described herein again.

In some embodiments, the mounting plate 125 may be made of magnesium alloy. It should be noted that the mounting plate 125 can refer to the above contents, and is not described herein again.

In some embodiments, please refer to fig. 11, and fig. 11 is a fifth structural diagram of an electronic device according to an embodiment of the present disclosure. The middle frame 12 may include a metal substrate 121 and a non-metal substrate 122 fixedly connected to each other, and the metal substrate 121 and the non-metal substrate 122 are formed by injection molding to form an integral middle frame 12 structure. It should be noted that the middle frame 12 can refer to the above contents, which are not described herein. The metal substrate 121 may be made of magnesium alloy.

In some embodiments, please refer to fig. 12, and fig. 12 is a schematic diagram illustrating a sixth structure of an electronic device according to an embodiment of the present application. The electronic device 1 comprises signal sources 15, 16, 17, 18, 19. Each signal source is for generating a wireless signal. For example, signal source 15 is for generating Bluetooth signals, signal source 16 is for generating Wireless-Fidelity (Wi-Fi) signals, signal source 17 is for generating high frequency radio frequency signals, signal source 18 is for generating intermediate frequency radio frequency signals, and signal source 19 is for generating low frequency radio frequency signals.

The electronic device 1 further comprises matching circuits 25, 26, 27, 28, 29. The matching circuit 25 is connected to the signal source 15, the matching circuit 26 is connected to the signal source 16, the matching circuit 27 is connected to the signal source 17, the matching circuit 28 is connected to the signal source 18, and the matching circuit 29 is connected to the signal source 19. Each matching circuit may include electronic components such as power amplifiers, filters, and the like. Each matching circuit is used for processing wireless signals generated by the connected signal source such as power amplification, filtering and the like.

The electronic device 1 further includes a combiner 31. The combiner 31 is connected to the matching circuits 28 and 29. The combiner 31 is configured to perform carrier aggregation on the uplink radio frequency signal or perform frequency division on the downlink radio frequency signal.

The electronic device 1 further comprises antenna radiators 51, 52, 53 and an antenna radiator 54. The antenna radiators 51, 52, 53, and 54 are connected to the matching circuits 21, 22, and 23 and the combiner 31, respectively. The antenna radiators 51, 52, and 53 may be antenna radiators provided inside the electronic device 1. The antenna radiators 51, 52, 53 may be, for example, antenna radiators arranged on a circuit board of the electronic device 1. The antenna radiator 54 may be an extension provided on the middle frame of the electronic device 1. For example, the antenna radiator 54 may be a magnesium alloy extension on the middle frame of the electronic device 1. The antenna radiators 51, 52, and 53 and the antenna radiator 54 may be the antenna radiator 20 in the above embodiment.

Each antenna radiator is used for transceiving radio frequency signals. For example, the antenna radiator 51 is used for transceiving bluetooth signals, the antenna radiator 52 is used for transceiving wireless fidelity signals, the antenna radiator 53 is used for transceiving high-frequency radio frequency signals, and the antenna radiator 54 is used for transceiving medium-low frequency radio frequency signals. The medium-low frequency radio frequency signal is a carrier aggregation signal of a medium-frequency radio frequency signal and a low-frequency radio frequency signal.

The electronic device 1 further comprises switches 66, 67, 68, 69. The switches 66, 67, 68, and 69 are connected to the antenna radiators 51, 52, 53, and 54, respectively. The switches 66, 67, 68, 69 may be single pole, single throw switches.

The electronic device 1 further comprises grounding points 71, 72, 73, 74. The grounding points 71, 72, 73, 74 are connected to the switches 61, 62, 63, 64, respectively. The grounding points 71, 72, 73, 74 are used to realize grounding of the antenna radiators 51, 52, 53, 54, respectively. The switches 61, 62, 63, 64 are used to switch on or off the grounding points 71, 72, 73, 74, respectively.

Those skilled in the art will appreciate that the structure of the electronic device 1 shown in fig. 1 and 2 does not constitute a limitation of the electronic device 1. The electronic device 1 may comprise more or fewer components than shown, or some components may be combined, or a different arrangement of components. The electronic device 1 may further include a memory, a bluetooth module, etc., which will not be described herein.

The center frame assembly and the electronic device provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are described herein by applying specific examples, 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 (6)

1. The middle frame assembly is applied to electronic equipment and is characterized by comprising a middle frame and an antenna radiating body, wherein the middle frame comprises an annular frame, the antenna radiating body is detachably mounted on the inner side of the annular frame, the antenna radiating body protrudes out of the inner side of the annular frame, and the antenna radiating body is positioned in the electronic equipment;

the antenna radiator comprises a first connecting part, the annular frame comprises a second connecting part connected with the first connecting part, the first connecting part and the second connecting part are connected in a splicing manner or in a buckling manner so as to realize that the antenna radiator is detachably arranged on the inner side of the annular frame, the first connecting part and the second connecting part are made of metal materials, and the second connecting part forms an antenna feed end;

the antenna radiator includes a plurality of sub-antenna radiators, the center still includes the mounting panel, the mounting panel set up in the ring frame, a plurality of sub-antenna radiators demountable installation in on the mounting panel, wherein two sub-antenna radiators set up in the not equidirectional edge of mounting panel.

2. The center frame assembly of claim 1, wherein the antenna radiator is removably mounted inside a top or inside a bottom of the ring frame.

3. The bezel assembly of claim 1, wherein the plurality of sub-antenna radiators are removably mounted to at least two of the four ends of the annular frame.

4. The bezel assembly of claim 1, wherein an upper surface of the antenna radiator is lower than an upper surface of the ring frame, and a lower surface of the antenna radiator is lower than a lower surface of the ring frame.

5. The middle frame assembly according to claim 1, wherein the antenna radiator is made of magnesium alloy, and/or the ring frame is made of magnesium alloy.

6. An electronic device, characterized in that the electronic device comprises a middle frame assembly, wherein the middle frame assembly is the middle frame assembly according to any one of claims 1 to 5.

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