CN108270071A - Antenna module, center component and electronic equipment - Google Patents

Abstract

Embodiments of the present application provide an antenna assembly, a middle frame assembly, and an electronic device, wherein the antenna assembly includes a substrate, a metal frame, and a radiator, and the metal frame is formed on the periphery of the substrate, and the antenna assembly further includes a gap, and the gap is located between the metal frame and the substrate , and the slot has an opening through the metal frame from the substrate to the metal frame, and the radiator is formed on the metal frame and is located at the slot position; wherein, the radiator includes a first radiator and a second radiator, and the antenna assembly also includes a first a ground point, a first feed point and a second ground point, the first radiator is electrically connected to the first ground point and the first feed point, the second radiator is electrically connected to the second ground point, and the second radiation The body is coupled with the first radiator. In the electronic device provided by the embodiment of the present application, the performance of the antenna is improved by coupling and exciting the second radiator through the first radiator.

Description

Antenna components, middle frame components and electronic equipment

technical field

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

Background technique

With the development of network technology and the improvement of the intelligence of electronic equipment, users can realize more and more functions through electronic equipment, such as calling, chatting, playing games and so on.

Wherein, the user implements signal transmission through the antenna of the electronic device during the process of talking or chatting with the electronic device.

Contents of the invention

Embodiments of the present application provide an antenna component, a middle frame component, and an electronic device, which can improve the antenna performance of the electronic device.

An embodiment of the present application provides an antenna assembly, including a substrate, a metal frame, and a radiator. The metal frame is formed on the periphery of the substrate. The antenna assembly also includes a slot, and the gap is located between the metal frame and the substrate. Between, and the gap has an opening through the metal frame from the substrate to the metal frame, the radiator is formed on the metal frame and is located at the gap position; wherein,

The radiator includes a first radiator and a second radiator, the antenna assembly further includes a first ground point, a first feeding point and a second ground point, the first radiator and the first ground point It is electrically connected to the first feeding point, the second radiator is electrically connected to the second ground point, and the second radiator is coupled to the first radiator.

The embodiment of the present application also provides a middle frame assembly, including a metal substrate, a non-metal substrate, a metal frame and a radiator, the metal frame is formed on the periphery of the metal substrate, and the middle frame assembly also includes a gap, the gap Located between the metal frame and the metal substrate, and the gap has an opening through the metal frame from the metal substrate to the metal frame, the radiator is formed on the metal frame, and Located at the gap position; wherein,

The radiator includes a first radiator and a second radiator, the antenna assembly further includes a first ground point, a first feeding point and a second ground point, the first radiator and the first ground point It is electrically connected to the first feeding point, the second radiator is electrically connected to the second ground point, and the second radiator is coupled to the first radiator.

An embodiment of the present application further provides an electronic device, including a circuit board and a middle frame assembly, the middle frame assembly is the above middle frame assembly, and the circuit board is electrically connected to the radiator.

In the electronic device provided by the embodiment of the present application, the first radiator and the second radiator are coupled, and the coupling of the first radiator excites the second radiator, thereby improving the performance of the antenna.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings that need to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 2 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 3 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 4 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 5 is another schematic structural diagram of an electronic device provided by an embodiment of the present application.

FIG. 6 is a schematic structural diagram of a middle frame assembly provided by an embodiment of the present application.

FIG. 7 is a partial structural schematic diagram of a middle frame assembly provided by an embodiment of the present application.

FIG. 8 is a schematic structural diagram of another part of the middle frame assembly provided by the embodiment of the present application.

FIG. 9 is a schematic structural diagram of another part of the middle frame assembly provided by the embodiment of the present application.

FIG. 10 is a schematic structural diagram of an antenna assembly provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components relation. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different implementations or examples for implementing different structures of the present application. To simplify the disclosure of the present application, components and arrangements of specific examples are described below. Of course, they are examples only and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or reference letters in various instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

Embodiments of the present application provide a display screen component and electronic equipment. The details will be described respectively below. The display screen component can be set in the electronic device, and the electronic device can be a smart phone, a tablet computer and the like.

Please refer to FIG. 1 and FIG. 2. FIG. 1 is a schematic structural diagram of an electronic device provided by an embodiment of the present application, and FIG. 2 is a schematic structural diagram of another electronic device provided by an embodiment of the present application. The electronic device 10 may include a cover plate 11 , a display screen 12 , a circuit board 13 , a battery 14 , a housing 15 , a camera 16 and a fingerprint unlocking module 17 . It should be noted that the electronic device 10 shown in FIG. 1 and FIG. 2 is not limited to the above content, and it may also include other devices, or not include the camera 16 , or not include the fingerprint unlocking module 17 .

Wherein, the cover plate 11 is installed on the display screen 12 to cover the display screen 12 . The cover plate 1 can be a transparent glass cover plate, so that the light-transmitting cover plate 11 of the display screen can display. In some embodiments, the cover plate 11 may be a glass cover plate made of materials such as sapphire.

Wherein, the housing 15 may include a middle frame 151 and a rear cover 152, the middle frame 151 and the rear cover 152 are combined to form the housing 15, and the middle frame 151 and the rear cover 152 may form a storage space for accommodating the printed circuit board 13. Display screen 12, battery 14 and other components. Further, the cover plate 11 can be fixed on the housing 15, and the cover plate 11 and the housing 15 form a closed space for accommodating the printed circuit board 13, the display screen 12, the battery 14 and other components. In some embodiments, the cover plate 11 is set on the middle frame 151, and the rear cover 152 is set on the middle frame 151. The cover plate 11 and the rear cover 152 are located on the opposite sides of the middle frame 151. relative settings.

In some embodiments, the shell 15 can be a metal shell, such as magnesium alloy, stainless steel and other metals. It should be noted that the material of the housing 15 in the embodiment of the present application is not limited thereto, and other methods may also be used, for example, the housing 15 may be a plastic housing. Another example: the shell 15 is a ceramic shell. Another example: the housing 15 can include a plastic part and a metal part, and the housing 15 can be a shell structure in which metal and plastic cooperate with each other. Specifically, the metal part can be formed first, such as forming a magnesium alloy substrate by injection molding. Plastic is then injected on the alloy substrate to form a plastic substrate, which constitutes a complete shell structure.

It should be noted that the structure of the housing in the embodiment of the present application is not limited thereto. For example, the rear cover and the middle frame are integrally formed to form a completed housing 15 structure. The housing directly has a storage space for storing printed Circuit board 13, display screen 12, battery 14 and other devices.

Wherein, the printed circuit board 13 is installed in the housing 15, the printed circuit board 13 can be the main board of the electronic device 10, and the printed circuit board 13 can be integrated with a motor, a microphone, a speaker, an earphone jack, a universal serial One, two or more of functional components such as bus interface, camera 16, distance sensor, ambient light sensor, receiver and processor.

In some embodiments, the printed circuit board 13 can be fixed in the housing 15 . Specifically, the printed circuit board 13 can be screwed to the middle frame 151 by screws, or can be snapped to the middle frame 151 by buckling. It should be noted that, the method of fixing the printed circuit board 13 to the middle frame 151 in the embodiment of the present application is not limited to this, and other methods can also be used, such as fixing together by buckles and screws.

Wherein, the battery 14 is installed in the housing 15 , and the battery 14 is electrically connected to the printed circuit board 13 to provide power to the electronic device 10 . The case 15 may serve as a battery cover for the battery 14 . The casing 15 covers the battery 14 to protect the battery 14 , specifically, the back cover covers the battery 14 to protect the battery 14 , so as to reduce the damage to the battery 14 due to the collision and drop of the electronic device 10 .

Wherein, the display screen 12 is installed in the housing 15 , and at the same time, the display screen 12 is electrically connected to the printed circuit board 13 to form the display surface of the electronic device 10 . The display screen 12 may include a display area and a non-display area. The display area may be used to display the screen of the electronic device 10 or provide touch manipulation by the user. The top area of the non-display area is provided with openings for sound and light transmission, and the bottom of the non-display area can be provided with functional components such as fingerprint modules and touch buttons. Wherein the cover plate 11 is installed on the display screen 12 to cover the display screen 12, and may form the same display area and non-display area as the display screen 12, or may form different display areas and non-display areas.

It should be noted that, the structure of the display screen 12 is not limited thereto. For example, the display screen 12 may be a special-shaped screen. For details, please refer to FIG. 3 , which is another schematic structural diagram of the electronic device provided by the embodiment of the present application. The difference between the electronic device in FIG. 3 and the electronic device in FIG. 1 is that the electronic device 20 includes a display screen 22 , a cover plate 21 , a printed circuit board 23 , a battery 24 and a casing 25 . Wherein the display screen 22 is directly formed with a light-permeable area 28 thereon. Specifically, for example: the display screen 22 is provided with a through hole penetrating through the display screen 22 in the thickness direction, the permeable area 28 may include the through hole, and functional components such as a front camera, an earpiece, and a sensor may be arranged at the position of the through hole. For another example: the display screen 22 is provided with a non-display area, and the permeable area 28 may include the non-display area. Wherein, the cover plate 21 is suitable for the structural setting of the display screen 22 . It should be noted that, for the case 25, refer to the above case 15, for the printed circuit board 23, refer to the above printed circuit board 13, and for the battery 24, refer to the above battery 14, which will not be repeated here.

Please refer to FIG. 4. FIG. 4 is a schematic structural diagram of another electronic device provided by the embodiment of the present application. The difference between the electronic device in FIG. 4 and the electronic device in FIG. 1 is that the electronic device 30 in FIG. 4 includes a display screen 32 , cover plate 31 , printed circuit board 33 , battery 34 and housing 35 . Wherein, the display screen 32 is provided with a notch 121 on its periphery, and the notch 121 can place functional components such as a front camera, an earpiece, and a sensor. Wherein, the cover plate 31 is suitable for the structural setting of the display screen 11 , and the cover plate 31 can be provided with a gap of equal size in the notch 121 , and the cover plate 31 can also cover the position of the notch 121 . It should be noted that, for the housing 3, refer to the above housing 15, for the printed circuit board 33, refer to the above printed circuit board 13, and for the battery 34, refer to the above battery 14, which will not be repeated here.

It should also be noted that, in some embodiments, the display screen 12 may not include a non-display area, but may be configured as a full-screen structure, and functional components such as a distance sensor and an ambient light sensor may be disposed under the display screen or at other positions. . Specifically, please refer to FIG. 5 . FIG. 5 is another schematic structural diagram of an electronic device provided by an embodiment of the present application. The electronic device 40 includes a display screen 42 , a cover plate 41 , a printed circuit board 43 , a battery 44 and a casing 45 . Wherein, the display screen 42 covers the casing 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, for the case 45, refer to the above case 15, for the printed circuit board 43, refer to the above printed circuit board 13, and for the battery 44, refer to the above battery 14, which will not be repeated here.

In some embodiments, the display screen 12 may be a liquid crystal display (Liquid Crystal Display, LCD) or an organic light-emitting diode display (Organic Light-Emitting Diode, OLED) or other type of display. In some embodiments, when the display screen 12 is a liquid crystal display screen, the electronic device 10 may further include a backlight module, which is not shown in the figure, and the backlight module may refer to backlight modules in the prior art.

In some embodiments, the electronic device 10 may further include a radiator for sending and receiving signals. The radiator can be installed on the casing 15 , such as the middle frame 151 . The radiator can form an integrated structure with the middle frame 151, which is defined as a middle frame component. The following takes the middle frame component as an example to describe in detail.

Please refer to FIG. 6 . FIG. 6 is a schematic structural diagram of a middle frame assembly provided by an embodiment of the present application. The middle frame assembly 100 may include a metal substrate 130 , a non-metal substrate 140 , a metal frame 120 and a radiator 110 .

Wherein, the metal substrate 130 may be a magnesium alloy substrate, for details, please refer to the above middle frame 151 , which will not be repeated here.

Wherein, the metal frame 120 can be a magnesium alloy frame, and the metal frame 120 can be integrally formed with the metal substrate 130, such as by metal injection molding in a mold, or by mechanical processing, or by welding fixed connection. In some embodiments, the metal frame 120 is located on the periphery of the metal substrate 130 .

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

In some embodiments, the slots include a first slot 131 and a second slot 132 . Wherein, the first slit 131 has a first opening 1311, the first slit 131 can be formed by extending from one side of the first opening 1311, and the first slit 131 includes a first notch 1312; the second slit 132 has a second opening 1321, the third The slit 132 can be formed extending from one side of the second opening 1321 , and the second slit 132 includes a second notch 1322 .

Wherein, the non-metallic substrate 140 is arranged in the gap, and the non-metallic substrate 140 is fixedly connected with the metal substrate 130 and the radiator 110 in the gap respectively. Specifically, the non-metal substrate 140 may include a first non-metal substrate 141 and a second non-metal substrate 142 . Wherein, the first non-metallic substrate 141 can be disposed in the first gap 131 , and the second non-metallic substrate 142 can be disposed in the second gap 132 . The non-metal substrate 140 can be molded in the gap by plastic injection molding.

Wherein, the radiator 110 includes two radiators, and the two radiators cooperate with each other through coupling, thereby improving the performance of the antenna of the electronic device. One of the radiators is electrically connected to the printed circuit board 13 through a feed point 150 to realize signal transmission, the other radiator is coupled to realize signal transmission, and each radiator 110 is electrically connected to the printed circuit board 13 through a ground point 160. Connect to metal substrate 130 for grounding.

In some embodiments, the radiator 110 may include two radiators, including: a first radiator 111 and a second radiator 112 .

Wherein, the first radiator 111 is formed at the position of the first slot 131, specifically, the first radiator 111 is formed at the position of the first notch 1312, the first radiator 111 is adjacent to the first notch 1312, and the first radiator 111 is connected to the first ground point 161 and the first feeding point 150 . The first radiator 111 can send and receive signals in the low frequency band (700-960 MHz) and high frequency band (2300-2690 MHz). It should be noted that the first radiator 111 is not limited to sending and receiving low-frequency and high-frequency signals, and can also send and receive other signals.

Wherein, the second radiator 112 is formed at the position of the second slit 132, specifically, the second radiator 112 is formed at the position of the second notch 1322, the second radiator 112 is adjacent to the second notch 1322, the second radiator 112 is connected to the second ground point 162 . The second radiator 112 can transmit and receive signals in the middle frequency band (1710-2170 MHz) under the coupling excitation of the first radiator 111 . It should be noted that the second radiator 112 is not limited to sending and receiving low-frequency and mid-frequency signals, and can also send and receive other signals.

In some embodiments, the first radiator 111 and the second radiator 112 are located on the same side of the metal frame 120, and a clearance hole 113 is provided between the first radiator 111 and the second radiator 112, wherein the first radiator 111 and the second radiator 112 are insulated from each other through the gap hole 113 . Further, the clearance hole 113 is located between the first opening 1311 and the second opening 1321 .

It should be noted that the gap hole 113 can be an earphone hole or a USB interface, wherein the earphone hole can be used to insert an earphone, and the USB interface can be used to insert a USB connector.

It can be known from the above that two radiators are provided in the embodiment of the present application, and through the mutual cooperation between the two radiators, the strength and frequency band of signal transmission and reception can be increased, and the performance of the antenna of the electronic device can be improved.

The above electronic equipment provided by the embodiment of the present application uses two radiators as an example for illustration. Improve the performance of the antenna.

For example, please refer to FIG. 8 , which is a schematic structural diagram of another part of the middle frame assembly provided by the embodiment of the present application. The middle frame assembly shown in FIG. 8 may include a metal frame 120 , a metal substrate 130 and a radiator 110 . For the metal substrate 130 , reference can be made to the above content, which will not be repeated here. Wherein, for the metal frame 120, reference may be made to the above content, which will not be repeated here. Wherein, for the radiator 110, reference may be made to the above content, which will not be repeated here.

It should be noted that an inductor 170 is provided between the second radiator 112 and the second ground point 162 , that is, the second radiator 112 is electrically connected to the metal substrate 130 through the inductor 170 and the second ground point 162 to achieve grounding. The user can select a suitable inductor 170 according to needs to improve the performance of the antenna.

For example, please refer to FIG. 9 , which is a schematic structural diagram of another part of the middle frame assembly provided by the embodiment of the present application. Each of the middle frame components shown in FIG. 9 may include a metal frame 120 , a metal substrate 130 and a radiator 110 . For the metal substrate 130 , reference can be made to the above content, which will not be repeated here. Wherein, for the metal frame 120, reference may be made to the above content, which will not be repeated here. Wherein, for the radiator 110, reference may be made to the above content, which will not be repeated here.

It should be noted that a variable inductor 180 is provided between the second radiator 112 and the second ground point 162, that is, the second radiator 112 is electrically connected to the metal via the variable inductor 180 and the second ground point 162 in turn. The substrate 130 is grounded. Users can adjust the value of the variable inductance 180 as required to improve the performance of the antenna.

Please refer to FIG. 10 . FIG. 10 is a schematic structural diagram of an antenna provided in an embodiment of the present application. The antenna assembly 1 may include a substrate 130 and a metal frame 120 .

Wherein, the substrate 130 may be a metal substrate 130 , and the metal substrate 130 may be a magnesium alloy substrate. For details, please refer to the above content, and details will not be repeated here.

Wherein, the metal frame 120 may be a magnesium alloy frame, for details, please refer to the above content, which will not be repeated here.

In some embodiments, the metal substrate 130 and the metal frame 120 may be integrally formed by injection molding to form a plurality of slits and a plurality of radiators. Wherein, for the gap, reference may be made to the above content, and details are not repeated here. Wherein, for the radiator, reference may be made to the above contents, and details are not repeated here.

The antenna assembly, middle frame assembly and electronic equipment provided by the embodiments of the present application are described above in detail. In this paper, specific examples are used to illustrate the principles and implementation methods of the present application. The descriptions of the above embodiments are only used to help understand this application. Application. At the same time, for those skilled in the art, based on the idea of this application, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the application.

Claims (15)

1. An antenna assembly, comprising a substrate, a metal frame, and a radiator, wherein the metal frame is formed on the periphery of the substrate, the antenna assembly further comprises a slot, the slot is located between the metal frame and the substrate, the slot has an opening penetrating through the metal frame in the direction from the substrate to the metal frame, and the radiator is formed on the metal frame and located at the slot; wherein,

the antenna assembly further comprises a first grounding point, a first feeding point and a second grounding point, the first radiating body is electrically connected with the first grounding point and the first feeding point, the second radiating body is electrically connected with the second grounding point, and the second radiating body is coupled with the first radiating body.

2. The antenna assembly of claim 1, wherein a clearance hole is provided between the first radiator and the second radiator, and the first radiator and the second radiator are insulated from each other by the clearance hole.

3. The antenna assembly of claim 2, wherein the slot comprises a first slot having a first opening and a second slot having a second opening, the first slot comprising a first notch on one side of the first opening, the second slot comprising a second notch on one side of the second opening; the first radiator is adjacent to the first gap, and the second radiator is adjacent to the second gap; wherein the clearance hole is located between the first opening and the second opening.

4. The antenna assembly of claim 2, wherein the clearance hole is an earphone hole, or a USB interface; the earphone hole is used for being plugged with an earphone, and the USB interface is used for being plugged with a USB connector.

5. The antenna assembly of claim 1, wherein the first radiator and the second radiator are located on a same side of the metal bezel.

6. The antenna assembly according to any one of claims 1-5, characterized in that an inductance is provided between the second ground point and the second radiator.

7. The antenna assembly of claim 6, wherein the inductance is a variable inductance.

8. A center frame assembly, comprising: the middle frame assembly further comprises a gap, the gap is located between the metal frame and the metal substrate, the gap is provided with an opening penetrating through the metal frame from the metal substrate to the metal frame in the direction of the metal frame, and the radiator is formed on the metal frame and located at the position of the gap; wherein,

the antenna assembly further comprises a first grounding point, a first feeding point and a second grounding point, the first radiating body is electrically connected with the first grounding point and the first feeding point, the second radiating body is electrically connected with the second grounding point, and the second radiating body is coupled with the first radiating body.

9. The middle frame assembly according to claim 8, wherein a clearance hole is provided between the first radiator and the second radiator, and the first radiator and the second radiator are insulated from each other by the clearance hole.

10. The center frame assembly of claim 9, wherein the slot includes a first slot having a first opening and a second slot having a second opening, the first slot including a first notch on one side of the first opening, the second slot including a second notch on one side of the second opening; the first radiator is adjacent to the first gap, and the second radiator is adjacent to the second gap; wherein the clearance hole is located between the first opening and the second opening.

11. The center frame assembly of claim 9, wherein the clearance hole is an earphone hole, or a USB interface; the earphone hole is used for being plugged with an earphone, and the USB interface is used for being plugged with a USB connector.

12. The middle frame assembly according to claim 8, wherein the first radiator and the second radiator are located on a same side of the metal bezel.

13. The center frame assembly according to any one of claims 8-12, wherein an inductance is provided between the second ground point and the second radiator.

14. The middle frame assembly of claim 13, wherein said inductor is a variable inductor.

15. An electronic device comprising a middle frame assembly according to any one of claims 8 to 14 and a circuit board electrically connected to the radiator.