CN108039560B

CN108039560B - Middle frame assembly and electronic equipment

Info

Publication number: CN108039560B
Application number: CN201711251672.XA
Authority: CN
Inventors: 谭伟
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2017-12-01
Filing date: 2017-12-01
Publication date: 2019-12-31
Anticipated expiration: 2037-12-01
Also published as: CN108039560A

Abstract

The embodiment of the application discloses center subassembly and electronic equipment, wherein, the center subassembly includes center and antenna radiation body, the first end of antenna radiation body is fixed through first screw on the center, the center is provided with and runs through the first screw of center, first screw runs through the center, first screw spiro union arrives in the first screw, first screw can run through first screw, antenna radiation body still fixes through a fixed knot structure on the center. Therefore, the antenna radiator is limited and fixed on the middle frame through the fixing structure and the first screw, the middle frame has continuity and integrity, and the strength of the middle frame is increased.

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.

Disclosure of Invention

The embodiment of the application provides a middle frame assembly and electronic equipment, which can increase the strength of a middle frame.

In a first aspect, an embodiment of the present application provides a center subassembly, including center and antenna radiating body, the first end of antenna radiating body is fixed through first screw on the center, the center is provided with and runs through the first screw of center, first screw runs through the center, first screw spiro union arrives in the first screw, first screw can run through first screw, antenna radiating body still fixes through a fixed knot structure on the center.

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

The utility model provides a center subassembly, antenna radiator pass through fixed knot structure and first screw and prescribe a limit to fixedly to the center jointly, and the center can integrated into one piece, and the center has continuity and wholeness, and intensity is big, can increase the intensity of center.

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 schematic structural diagram of an electronic device according to an embodiment of the present application.

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

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

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

Fig. 5 is a schematic structural diagram of a frame assembly in an embodiment of the present application.

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

Fig. 7 is a schematic structural diagram of a frame at a placement groove position in the embodiment of the present application.

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

Fig. 9 is a schematic structural diagram of an antenna radiator according to an embodiment of the present application.

Fig. 10 is a schematic view of another structure of an antenna radiator according to an embodiment of the present application.

Fig. 11 is a schematic structural diagram of an antenna radiator according to an embodiment of the present application.

Fig. 12 is another schematic structural diagram of a middle frame assembly according to an embodiment of the present application.

Fig. 13 is another schematic structural diagram of a middle frame assembly according to an embodiment of the present application.

Fig. 14 is another schematic structural diagram of a middle frame assembly according to an embodiment of the present application.

Fig. 15 is another schematic structural 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 metal substrate, 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 middle frame, 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 may be 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 irregular-shaped 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, the antenna radiator 20 is disposed at a peripheral position of the housing 10. The antenna radiator 20 is fixed to the center frame 12 as an example.

Referring to fig. 5, fig. 5 is a schematic structural diagram of a 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 connected to each other. Specifically, one end of the antenna radiator 20 is fixed to the middle frame 12 by a first screw 21, the antenna radiator 20 is further fixed to the middle frame 20 by a fixing structure 22, and the first screw 21 and the fixing structure 22 limit and fix the antenna radiator 20 together, so that the antenna radiator 20 is fixed to the middle frame 12 more stably and firmly.

Referring to fig. 6, fig. 6 is a schematic structural diagram of a middle frame according to an embodiment of the present disclosure. The middle frame 12 may include a metal substrate 121 and a non-metal substrate 122 connected to each other.

Among them, the metal substrate 121 may be made of a magnesium alloy material. The non-metal substrate 122 may be made of plastic. The metal substrate 121 and the non-metal substrate 122 can be fixedly connected by injection molding to form the middle frame 12 of an integral structure.

In some embodiments, the bezel 12 may include a placement slot 1222, the placement slot 1222 being formed on the non-metallic substrate 122. In some embodiments, please refer to fig. 7, fig. 7 is a schematic structural diagram of a frame at a position of a placement slot in an embodiment of the present application. The placement groove 1222 may include a first placement groove 1223 and a second placement groove 1224, the second placement groove 1224 being located in the first placement groove 1223 and communicating with the first placement groove 1223, the second placement groove 1224 being formed inwardly from the opening of the first placement groove 1223 toward the center frame 12.

In some embodiments, the middle frame 12 may include a first screw hole 1221, and the first screw hole 1221 may extend through the middle frame 12, for example, the first screw hole 1221 may extend through the non-metal substrate 122. For another example, the first screw holes 1221 may penetrate through the non-metal substrate 122 and the metal substrate 121. The first screw hole 1221 is located in the first placement groove 1223 and communicates with the first placement groove 1223. Wherein the first screw 21 may be screwed into the first screw hole 1221, and the first screw 21 may pass through the first screw hole 1221 and be connected to the printed circuit board 30.

Referring to fig. 8, fig. 8 is another schematic structural diagram of a middle frame according to an embodiment of the present disclosure. The middle frame 12 may further include a second screw hole 1225, and the second screw hole 1225 is located in the first placement groove 1223 and communicates with the first placement groove 1223. It should be noted that the second screw holes 1225 are located on the non-metal substrate 122, but do not extend to the metal substrate 121. The second screw hole can be in threaded connection with a second screw.

Referring to fig. 9, fig. 9 is a schematic structural diagram of an antenna radiator according to an embodiment of the present application. The antenna radiator 20 may have a strip structure, and particularly, a strip plate structure. The antenna radiator 20 includes a first end 201 and a second end 202, and the first end 201 and the second end 202 are respectively located at two opposite ends of the antenna radiator 20. In some embodiments, the antenna radiator 20 may be placed in the placement slot 1222, and the placement slot 1222 may serve as a stop and a fixing for the antenna radiator 20, so that the antenna radiator 20 is firmly fixed. Specifically, the antenna radiator 20 is placed in the first placement groove 1223, and the antenna radiator 20 does not protrude from the surface of the middle frame 12; the antenna radiator 20 may protrude from the surface of the bezel 12.

In some embodiments, the antenna radiator 20 may include a screw hole, and in particular, the antenna radiator 20 includes a third screw hole 23, and the third screw hole 23 penetrates through the antenna radiator 20. Further, a third screw hole 23 is located at the first end 201. It should be noted that the third screw hole 23 may also be located at other positions of the antenna radiator 20, such as the middle or the second end 202 of the antenna radiator 20. The first screw 21 may pass through or be screwed into the third screw hole 23 and pass through or be screwed into the first screw hole 1221 to fix the antenna radiator 20 to the middle frame 12. And the first screw 21 may pass through the first screw hole 1221 and be electrically connected to the printed circuit board 30, so as to electrically connect the antenna radiator 20 to the printed circuit board 30, thereby implementing signal transceiving.

In some embodiments, please refer to fig. 10, where fig. 10 is a schematic view illustrating another structure of an antenna radiator according to an embodiment of the present application. The antenna radiator 20 may include a protrusion 25, and the protrusion 25 may be disposed at a periphery of the antenna radiator 20. It should be noted that the protrusion 25 may also be arranged in the middle or at other positions of the antenna radiator 20. In some embodiments, the protrusion 25 is disposed in the second placement groove 1224, and the cooperation between the second placement groove 1224 and the protrusion 25 serves as a limiting and fixing function, so that the antenna radiator 20 is more stably and firmly fixed on the center frame 12.

Thus, the present embodiment forms the fixing structure 22 by the cooperation of the first placement groove 1223 and the antenna radiator 20, and the cooperation of the second placement groove 1224 and the protrusion 25, so that the whole antenna radiator 20 can be stably and firmly limited on the middle frame 12.

It should be noted that the antenna radiator 20 may also include two screw holes or a plurality of screw holes, for example, the antenna radiator 20 includes two screw holes. In some embodiments, please refer to fig. 11, where fig. 11 is a schematic view illustrating another structure of an antenna radiator according to an embodiment of the present application. The antenna radiator 20 may include a third screw hole 23 and a fourth screw hole 24, the third screw hole 23 penetrating the antenna radiator 20, and the fourth screw hole 24 penetrating the antenna radiator 20. Further, a third screw hole 23 is located at the first end 201, and a fourth screw hole 24 is located at the second end 202. Wherein the second screw can pass through or be screwed into the fourth screw hole 24.

The fixing structure 22 is formed by the cooperation of the first placement groove 1223 and the antenna radiator 20, and the cooperation of the second placement groove 1224 and the projection 25 in the embodiment of the present application. It should be noted that the structure of the fixing structure 22 in the embodiment of the present application is not limited to this.

In some embodiments, please refer to fig. 12, and fig. 12 is another structural diagram of a middle frame assembly according to an embodiment of the present disclosure. Fig. 12 is a modification of fig. 5, and fig. 12 differs from fig. 5 in that: the fixing structure 22 of fig. 12 may include a second screw 221, and the second screw 221 may pass through the fourth screw hole 25 of the antenna radiator 20 and be screwed into the second screw hole 1225 of the middle frame 12 to fix the second end 202 of the antenna radiator 20 to the middle frame 12. It should be noted that, in some embodiments, when the antenna radiator 20 is fixed by the second screw, the antenna radiator 20 may be directly fixed on the surface of the middle frame 12 by the first screw and the second screw without providing the placement groove.

In some embodiments, please refer to fig. 13, and fig. 13 is another structural diagram of a middle frame assembly according to an embodiment of the present disclosure. Fig. 13 is a modification of fig. 5, and fig. 13 differs from fig. 5 in that: the fixing structure 22 in fig. 13 may include a catch 222, and the catch 222 may catch the antenna radiator 20, and particularly the second end 202 of the antenna radiator 20, to fix the second end 202 of the antenna radiator 20 to the middle frame 12. In an actual installation process, the second end 202 of the antenna radiator 20 may be inserted into the position of the buckle 222 and placed between the buckle 222 and the middle frame 12, the buckle 222 is snapped onto the antenna radiator 20 and plays a role in limiting and fixing the antenna radiator 20, and then the first end 201 of the antenna radiator 20 is fixed to the middle frame 12 by the first screw 21. It should be noted that, in some embodiments, when the antenna radiator 20 is fixed by the snap, the antenna radiator 20 may be directly fixed on the surface of the middle frame 12 by the first screw and the snap without providing the placement groove.

In some embodiments, please refer to fig. 14, and fig. 14 is another structural diagram of a middle frame assembly according to an embodiment of the present disclosure. Fig. 14 is a modification of fig. 5, and fig. 14 differs from fig. 5 in that: the fixing structure 22 in fig. 14 may include a pressing plate 223, and the pressing plate 223 may press the antenna radiator 20, particularly the second end 202 of the antenna radiator 20, to fix the second end 202 of the antenna radiator 20 to the middle frame 12. In an actual installation process, the second end 202 of the antenna radiator 20 may be inserted into the position of the pressing plate 223, and placed between the pressing plate 223 and the middle frame 12, the pressing plate 223 is attached to the antenna radiator 20, and plays a role in limiting and fixing the antenna radiator 20, and then the first end 201 of the antenna radiator 20 is fixed to the middle frame 12 by the first screw 21. It should be noted that, in some embodiments, when the antenna radiator 20 is fixed by the pressing plate, the antenna radiator 20 may be directly fixed on the surface of the middle frame 12 by the first screw and the pressing plate without providing the placement groove.

In some embodiments, referring to fig. 15, fig. 15 is a schematic structural diagram of an electronic device provided in an embodiment of the present application.

The electronic device 1 comprises signal sources 41, 42, 43, 44, 45. Each signal source is for generating a wireless signal. For example, signal source 41 is for generating a bluetooth signal, signal source 42 is for generating a Wireless-Fidelity (Wi-Fi) signal, signal source 43 is for generating a high frequency rf signal, signal source 44 is for generating an intermediate frequency rf signal, and signal source 45 is for generating a low frequency rf signal.

The electronic device 1 further comprises matching circuits 31, 32, 33, 34, 35. The matching circuit 31 is connected to a signal source 41, the matching circuit 32 is connected to a signal source 42, the matching circuit 33 is connected to a signal source 43, the matching circuit 34 is connected to a signal source 44, and the matching circuit 35 is connected to a signal source 45. 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 91. The combiner 91 is connected to the matching circuits 34 and 35. The combiner 91 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 31, 32, and 33, and the combiner 91, 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.

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 81, 82, 83, 84. The switches 81, 82, 83, and 84 are connected to the antenna radiators 51, 52, 53, and 54, respectively. The switches 81, 82, 83, 84 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 81, 82, 83, 84, respectively. The grounding points 71, 72, 73, 74 are used to realize grounding of the antenna radiators 51, 52, 53, 54, respectively. The switches 81, 82, 83, 84 are used to switch on or off the grounding points 71, 72, 73, 74, respectively.

It should be noted that the antenna radiator 54 in the drawings may refer to the antenna radiator 20 above, and is not described herein again.

Those skilled in the art will appreciate that the structure of the electronic device 1 shown in fig. 1 to 4 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

1. A center frame assembly, comprising a center frame and an antenna radiator, wherein a first end of the antenna radiator is fixed to the center frame by a first screw, the center frame is provided with a first screw hole penetrating through the center frame, the center frame is further provided with a first placing groove and a second placing groove, the second placing groove is located in the first placing groove and is communicated with the first placing groove, the second placing groove is formed from an opening of the first placing groove inward in a direction toward the center frame, the first screw hole is located in the first placing groove and is communicated with the first placing groove, the first screw is screwed into the first screw hole, the first screw can penetrate through the first screw hole, the antenna radiator is provided with a protrusion, the antenna radiator is placed in the first placing groove, and the protrusion is placed in the second placing groove, the antenna radiator is further fixed on the middle frame through a fixing structure.

2. The middle frame assembly according to claim 1, wherein the second end of the antenna radiator is fixed to the middle frame by the fixing structure, and the first end and the second end are respectively located at two opposite ends of the antenna radiator.

3. The middle frame assembly according to claim 2, wherein the fixing structure includes a second screw, and the middle frame is provided with a second screw hole, and the second screw is screwed into the second screw hole to fix the second end of the antenna radiator to the middle frame.

4. The middle frame assembly according to claim 2, wherein the fixing structure includes a clip, and the second end of the antenna radiator is placed between the clip and the middle frame to fix the second end of the antenna radiator to the middle frame.

5. The middle frame assembly according to claim 2, wherein the fixing structure includes a pressing plate, and the second end of the antenna radiator is placed between the pressing plate and the middle frame to fix the second end of the antenna radiator to the middle frame.

6. The middle frame assembly according to any one of claims 1 to 5, wherein the antenna radiator does not protrude from a surface of the middle frame.

7. The center frame assembly according to any one of claims 1 to 5, wherein the antenna radiator is a strip structure.

8. 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 7.

9. The electronic device of claim 8, further comprising a printed circuit board fixed to the middle frame, wherein the first screw penetrates the first screw hole to electrically connect to the printed circuit board.