CN108666739B

CN108666739B - Antenna assembly, shell assembly and electronic equipment

Info

Publication number: CN108666739B
Application number: CN201810411562.3A
Authority: CN
Inventors: 周林
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-05-02
Filing date: 2018-05-02
Publication date: 2021-03-23
Anticipated expiration: 2038-05-02
Also published as: CN108666739A

Abstract

The embodiment of the application provides an antenna module, casing subassembly and electronic equipment, wherein the antenna module includes: a metal substrate including a first side and a second side connected to each other; the metal frame is arranged on the periphery of the metal substrate, a first gap is formed between the metal frame and the metal substrate, a first metal strip is formed on the metal frame at the first gap, the first gap comprises a first opening and a second opening, the first opening is positioned on the first side edge, and the second opening is positioned on the second side edge; the nonmetal base plate is arranged in the first gap to connect the metal base plate and the first metal strip. The electronic equipment provided by the embodiment of the application has the advantages that the requirement that the clearance area of the antenna is small is met, and meanwhile, the performance of the antenna is not influenced; and the opening and the functional hole are correspondingly arranged, so that the appearance of the electronic equipment is not influenced, and the space of the electronic equipment can be further utilized.

Description

Antenna assembly, shell assembly and electronic equipment

Technical Field

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

Background

With the development of network technology and the improvement of the intelligent degree of electronic equipment, users can realize more and more functions such as conversation, chatting, game playing and the like through the electronic equipment.

The user realizes signal transmission through the antenna of the electronic equipment in the conversation and chat processes of the electronic equipment. With the development and application of the full-face screen, the clearance area which can be provided for the antenna by the electronic device becomes smaller, and with the reduction of the clearance area, the performance of the antenna is reduced sharply.

Disclosure of Invention

The embodiment of the application provides an antenna module, a shell assembly and electronic equipment, and the antenna performance of the electronic equipment can be improved.

An embodiment of the present application provides an antenna assembly, includes:

a metal substrate including a first side and a second side connected to each other;

the metal frame is arranged on the periphery of the metal substrate, a first gap is formed between the metal frame and the metal substrate, the metal frame forms a first radiator at the first gap, the first gap comprises a first opening and a second opening, the first opening is positioned on the first side edge, and the second opening is positioned on the second side edge;

the nonmetal substrate is arranged in the first gap to connect the metal substrate and the first radiator.

The present application further provides a housing assembly, comprising:

the metal frame is arranged on the periphery of the metal substrate, a first gap is formed between the metal frame and the metal substrate, a first metal strip is formed on the metal frame at the first gap, the first gap comprises a first opening and a second opening, the first opening is positioned on the first side edge, and the second opening is positioned on the second side edge;

the nonmetal substrate is arranged in the first gap to connect the metal substrate and the first metal strip.

The embodiment of the application also provides electronic equipment, which comprises a circuit board and an antenna assembly, wherein the antenna assembly is the antenna assembly, and the circuit board is electrically connected with the metal strip.

According to the antenna assembly, the shell assembly and the electronic device, the first opening and the second opening are arranged on the metal strip, so that the clearance area of the antenna is small, and the performance of the antenna is not affected; and the first opening corresponds to the functional hole, so that the appearance of the electronic equipment is not influenced, and the space of the electronic equipment can be further utilized.

Drawings

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

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

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

Fig. 7 is a partial structural schematic diagram of a housing assembly according to an embodiment of the present application.

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

Detailed Description

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

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

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

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

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

The embodiment of the application provides an electronic device which can be a smart phone, a tablet computer and the like.

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

Wherein the cover plate 11 is mounted to the display screen 12 to cover the display screen 12. The cover 1 may be a transparent glass cover so that the display screen transmits light through the cover 11 to display. In some embodiments, the cover plate 11 may be a glass cover plate made of a material such as sapphire.

The housing 15 may include a middle frame 151 and a rear cover 152, the middle frame 151 and the rear cover 152 may be combined with each other to form the housing 15, and the middle frame 151 and the rear cover 152 may form a receiving space to receive the printed circuit board 13, the display 12, the battery 14, and the like. Further, a cover plate 11 may be fixed to the housing 15, and the cover plate 11 and the housing 15 form a closed space to accommodate the printed circuit board 13, the display 12, the battery 14, and the like. In some embodiments, the cover plate 11 is disposed on the middle frame 151, the rear cover 152 is disposed on the middle frame 151, the cover plate 11 and the rear cover 152 are disposed on opposite sides of the middle frame 151, and the cover plate 11 and the rear cover 152 are disposed opposite to each other.

In some embodiments, the housing 15 may be a metal housing, such as a metal such as magnesium alloy, stainless steel, and the like. It should be noted that the material of the housing 15 in the embodiment of the present application is not limited to this, and other manners may also be adopted, such as: the housing 15 may be a plastic housing. Also for example: the housing 15 is a ceramic housing. For another example: the housing 15 may include a plastic part and a metal part, and the housing 15 may be a housing structure in which metal and plastic are matched with each other, specifically, the metal part may be formed first, for example, a magnesium alloy substrate is formed by injection molding, and then plastic is injected on the magnesium alloy substrate to form a plastic substrate, so as to form a complete housing structure.

It should be noted that, the structure of the housing in the embodiment of the present application is not limited to this, for example: the rear cover and the middle frame are integrally formed to form a completed housing 15 structure, which directly has a receiving space for receiving the printed circuit board 13, the display 12, the battery 14, and the like.

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

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

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

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

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

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

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

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

In some embodiments, the electronic device 10 may also include a metal strip for transceiving signals. The metal strip may be mounted to the housing 15, such as the center frame 151. The metal strip may form a unitary structure with the center frame 151, defining a housing assembly. The housing assembly will be described in detail below as an example.

Referring to fig. 6, fig. 6 is a schematic structural diagram of a housing assembly according to an embodiment of the present disclosure. The housing assembly 100 may include a metal substrate 130, a non-metal substrate 140, a metal bezel 120, and a metal strip 110.

The metal substrate 130 may be a magnesium alloy substrate, and specifically refer to the middle frame 151 above, which is not described herein again.

The metal frame 120 may be a magnesium alloy frame, and the metal frame 120 may be integrally formed with the metal substrate 130, for example, by injection molding in a mold by using a metal injection molding method, and then integrally formed by using a machining method, for example, and further fixedly connected by welding. In some embodiments, the metal bezel 120 is located at the periphery of the metal substrate 130.

In some embodiments, please refer to fig. 7, and fig. 7 is a schematic structural diagram illustrating a metal substrate and a metal frame provided in the present application. A plurality of gaps are formed between the metal substrate 130 and the metal frame 120, and each gap penetrates through the metal frame 120 in the thickness direction of the metal frame 120. Each slit includes at least one opening, and each opening penetrates through the metal frame 120 from the metal substrate 130 to the metal frame 120 to the outside.

In some embodiments, the slits include a first slit 131 and a second slit 132. First slit 131 has first opening 1311 and second opening 1312, first slit 131 may extend from the side of first opening 1311, and first slit 131 may extend from the side of second opening 1312, and first slit 131 includes first notch 1313 between first opening 1311 and second opening 1312, first opening 1311 corresponding to function hole 150. For example, the functional hole 150 coincides with the first opening 1311. For another example, the functional hole 150 has a larger hole diameter than the first opening 1311.

The second slot 132 has a third opening 1321, the second slot 132 may extend from one side of the third opening 1321, and the second slot 132 has a second notch 1322.

The metal bezel 120 includes a first side 1201 and a second side 1202 connected to each other, wherein a first opening 1311 is located on the first side 1201, and a second opening 1312 is located on the second side 1202.

The metal substrate 120 further includes a third side 1203, the third side 1203 is connected to the first side 1201, the first side 1201 is located between the third side 1203 and the second side 1202, and the first opening 1311 is disposed near the third side 1203.

The non-metal substrate 140 is disposed in the gap, and the non-metal substrate 140 is respectively and fixedly connected to the metal substrate 130 and the metal strip 110 in the gap. Specifically, the non-metal substrate 140 may include a first non-metal substrate 141 and a second non-metal substrate 142. The first non-metal substrate 141 may be disposed in the first slot 131, wherein no non-metal substrate is disposed on the first opening 1311 of the first slot 131; the second non-metallic substrate 142 may be disposed within the second gap 132. The non-metal substrate 140 may be formed in the gap by plastic injection molding.

Wherein the metal strip 110 comprises two metal strips, in some embodiments, the metal strip 110 may comprise two metal strips, including: a first metal strip 111 and a second metal strip 112.

The first metal strip 111 is formed at the position of the first slot 131, and specifically, the first metal strip 111 is formed at the position of the first notch 1313, and the first metal strip 111 is adjacent to the first notch 1313. The first metal strip 111 can receive and transmit signals of a low frequency band (700 + 960MHz), a medium frequency band (1710 + 2170MHz) and a high frequency band (2300 + 2690 MHz). Further, the first opening 1311 and the second opening 1312 are respectively located at both sides of the first metal bar 111.

It should be noted that, in the embodiment of the present application, signals in the low frequency band (700-.

The second metal strip 112 is formed at the position of the second slit 132, and specifically, the second metal strip 112 is formed at the position of the second gap 1322, and the second metal strip 112 is adjacent to the second gap 1322. The second metal strip 112 may receive and transmit GPS (Global Positioning System) and WIFI (wireless local area network) 2.4G/5G signals. Further, the second metal strip 112 is located between the third opening 1321 and the first opening 1311.

In some embodiments, a connection member 160 is disposed between the second recess 1322 and the first recess 1311, and the second metal strip 112 is connected to the metal substrate 130 through the connection member 160.

In some embodiments, the first metal strip 111 and the second metal strip 112 are located on the same side of the metal frame 120, and the first metal strip 111 and the second metal strip 112 are insulated from each other by the first opening 1311.

As can be seen from the above, the first opening is formed in the metal strip, and the first opening is overlapped with the hole, so that the clearance area of the antenna is small, and the performance of the antenna is not affected; and the opening corresponds to the functional hole, so that the appearance of the electronic equipment is not influenced, and the space of the electronic equipment can be further utilized.

Referring to fig. 8, fig. 8 is a schematic structural diagram of an antenna according to an embodiment of the present application. The antenna assembly 1 may include a substrate 130 and a metal bezel 120.

The substrate 130 may be a metal substrate 130, and the metal substrate 130 may be a magnesium alloy substrate, which may be referred to above specifically and will not be described herein again.

The metal frame 120 may be a magnesium alloy frame, which can be referred to above specifically, and is not described herein again.

In some embodiments, the metal substrate 130 and the metal bezel 120 may be integrally formed by injection molding to form a plurality of slots and a plurality of radiators. The gap can refer to the above contents, and is not described herein again. The radiator may refer to the content of the metal strip, and is not described herein again.

The antenna assembly, the housing assembly, and the electronic device provided in the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are described herein using specific examples, which are provided only to help understand the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. An antenna assembly, comprising:

the metal frame is arranged on the periphery of the metal substrate, a first gap is arranged between the metal frame and the metal substrate, the first gap penetrates through the metal frame in the thickness direction of the metal frame, the first gap comprises a first opening and a second opening, the first opening is located on the first side, the second opening is located on the second side, the first opening and the second opening penetrate through the metal frame from the metal substrate to the metal frame to the outside direction, a first metal strip is formed between the first opening and the second opening of the metal frame and serves as a first radiator to receive and transmit medium and high frequency radio frequency signals and low frequency radio frequency signals, and the medium and high frequency radio frequency signals and the low frequency radio frequency signals are radiated from the first opening and the second opening;

a second gap is further formed between the metal frame and the metal substrate, a second metal strip is formed at the second gap on the metal frame and serves as a second radiator, the second gap comprises a third opening, the second radiator is located between the third opening and the first opening, and the second radiator is used for receiving and transmitting GPS signals and WIFI signals;

the non-metal substrate is arranged in the first gap and the second gap to connect the metal substrate and the first radiator and the second radiator.

2. The antenna assembly of claim 1, wherein the metal substrate defines a functional hole, and wherein the functional hole corresponds to the first opening.

3. The antenna assembly of claim 2, wherein the functional hole coincides with the first opening.

4. The antenna assembly of claim 2, wherein the functional hole has a larger aperture than the first opening.

5. The antenna assembly of claim 1, wherein the metal substrate further comprises a third side connected to the first side and the first side is located between the third side and the second side, and wherein the first opening is disposed proximate to the third side.

6. The antenna assembly of claim 1, wherein the first metal strip and the second metal strip are located on a same side of the metal bezel, and the second metal strip and the first metal strip are located on opposite sides of the first opening.

7. The antenna assembly of claim 1, wherein a connector is disposed between the first slot and the second slot, and wherein the second metal strip is connected to the metal substrate via the connector.

8. A housing assembly, comprising:

9. The housing assembly of claim 8, wherein the metal substrate defines a functional hole, and the functional hole corresponds to the first opening.

10. The housing assembly of claim 9, wherein the functional aperture coincides with the first opening.

11. The housing assembly of claim 9 wherein the functional hole has a larger bore diameter than the first opening.

12. The housing assembly of claim 8, wherein the metal substrate further comprises a third side connected to the first side, the first side being located between the third side and the second side, the first opening being disposed proximate to the third side.

13. The housing assembly of claim 8, wherein the first metal strip and the second metal strip are located on a same side of the metal bezel, and the second metal strip and the first metal strip are located on two sides of the first opening, respectively.

14. The housing assembly of claim 8, wherein a connector is disposed between the first slot and the second slot, and the second metal strip is connected to the metal substrate via the connector.

15. An electronic device comprising an antenna assembly and a circuit board, the circuit board and the antenna assembly being electrically connected, the antenna assembly being the antenna assembly according to any one of claims 1 to 7.