CN218300249U - Antenna device and electronic apparatus - Google Patents

Abstract

The application discloses antenna device includes: a circuit board; and the shielding cover is arranged on the circuit board and surrounds the circuit board to form an antenna cavity.

Description

Antenna device and electronic apparatus

Technical Field

The application belongs to the technical field of electronic equipment, and particularly relates to an antenna device and electronic equipment.

Background

In the related art, an antenna of an electronic device needs to be manufactured by using a flexible circuit board, and for an electronic device with an all-metal shell, a slot needs to be formed in the metal shell to realize related functions of the antenna, which greatly affects the appearance. Therefore, according to some technical schemes, the flexible circuit board is bent to form a three-dimensional cavity together with a structural component of the electronic equipment, and the three-dimensional cavity is constructed to be an antenna, so that a slot does not need to be formed in the metal shell, but in the manufacturing mode, a plurality of bending positions need to be arranged on the flexible circuit board, the consistency is poor, and the production and assembly cost is increased.

SUMMERY OF THE UTILITY MODEL

The present application is directed to an antenna device and an electronic device, which at least solve one of the problems of the related art that the consistency of the antenna device is poor and the production and assembly costs are increased.

In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, an embodiment of the present application provides an antenna apparatus, including: a circuit board; and the shielding cover is arranged on the circuit board and surrounds the circuit board to form an antenna cavity.

In a second aspect, an embodiment of the present application provides an electronic device, including: the antenna device of any of the first aspect.

In the embodiment of the application, the antenna device comprises a circuit board and a shielding case, wherein the shielding case is arranged on the circuit board and surrounds an antenna cavity with the circuit board, so that the related functions of the antenna are realized. The mode through setting up the shield cover on the circuit board constitutes the antenna chamber, can guarantee the sealing performance in antenna chamber, has promoted the performance such as receiving and dispatching signal in antenna chamber, and need not buckle to the circuit board and form the antenna chamber, has promoted antenna device's uniformity, and is convenient for manufacture, and then has reduced manufacturing cost.

Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.

Drawings

The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an antenna device according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a circuit board and a conductor according to an embodiment of the present application.

Reference numerals:

1 circuit board, 2 shield, 20 body, 21 first hem, 22 second hem, 23 third hem, 24 openings, 26 feed point hem, 28 ground connection hem, 3 conductor.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. 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.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, the meaning of "a plurality" is two or more unless otherwise specified.

In the description of the present application, it is to be understood that the terms "top," "bottom," "inner," "outer," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

An antenna device and an electronic apparatus according to an embodiment of the present application are described below with reference to fig. 1 and 2.

As shown in fig. 1, an antenna apparatus according to some embodiments of the present application includes: a circuit board 1; and the shielding cover 2 is arranged on the circuit board 1 and surrounds an antenna cavity with the circuit board 1.

In the embodiment of the application, the antenna device comprises a circuit board 1 and a shielding case 2, wherein the shielding case 2 is arranged on the circuit board 1 and surrounds an antenna cavity with the circuit board 1, so that the related functions of the antenna are realized. Mode through setting up shield cover 2 on circuit board 1 constitutes the antenna chamber, can guarantee the sealing performance in antenna chamber, has promoted the performance such as receiving and dispatching signal in antenna chamber, and need not buckle to circuit board 1 and form the antenna chamber, has promoted antenna device's uniformity, and is convenient for manufacture, and then has reduced manufacturing cost.

It can be understood that the shielding case 2 is a cover body, and the shielding case 2 with the cover body shape covers on the circuit board 1 to form an antenna cavity, so that the circuit board 1 or a metal piece does not need to be bent to form a cavity, the consistency of the antenna device is improved, the processing difficulty is reduced, and the performance of the antenna cavity is improved.

In a specific application, the shielding case 2 is connected to the circuit board 1 through Surface Mount Technology (SMT), so that the performance of the antenna cavity is improved.

The edge of the shielding case 2 is connected with the circuit board 1 through the surface mounting technology, so that the connection part of the shielding case 2 and the circuit board 1 is sealed, the sealing performance of the shielding case 2 and the circuit board 1 is ensured, and the performance of the antenna device for receiving and transmitting signals is improved.

In addition, this application need not buckle circuit board 1, and then use ordinary circuit board can, has reduced antenna device's cost, has also reduced the processing degree of difficulty simultaneously.

As shown in fig. 1, according to some embodiments of the present application, the shield can 2 includes: a body 20, wherein the body 20 is arranged opposite to the circuit board 1; and a folded edge surrounding part of the periphery of the body 20, the folded edge extending from the body 20 to the circuit board 1 and being connected with the circuit board 1, wherein an opening 24 is arranged on the periphery of the shielding case 2, and the opening 24 is communicated with the antenna cavity.

In this embodiment, the shield case 2 includes a body 20 and a flange, the body 20 is disposed opposite to the circuit board 1, and the flange is disposed around a part of the circumference of the body 20 and connected to the circuit board 1 to form an antenna cavity. Wherein, along the circumference of the body 20, the shielding case 2 is provided with an opening 24 on the circumference side, and the opening 24 is communicated with the antenna cavity, so that the antenna energy can be radiated to the outside through the opening 24.

It can be understood that, along the circumferential direction of the body 20, the folded edge is provided on a part of the circumferential side of the body 20, and then the other part of the circumferential side of the body 20 and the edge of the folded edge are configured as the opening 24, realizing radiation of the antenna energy. The part provided with the folded edge can be connected with the circuit board 1 in a sealing mode, the part provided with the folded edge is continuous and uninterrupted along the circumferential direction of the body 20, and therefore the sealing performance of the antenna cavity can be improved, and antenna signals can be fed out from the opening 24 to the outside.

In addition, the hem encloses the week side of establishing at body 20 to extend to circuit board 1 from body 20, and then can realize being connected with circuit board 1, and promoted the sealing performance of being connected between with circuit board 1.

Further, a certain gap is formed between the circuit board 1 and the body 20 to enclose the antenna cavity.

According to some embodiments of the present application, the end of the flap is attached to the circuit board 1.

In this embodiment, the tip of hem and the laminating of circuit board 1 have promoted the sealing performance of the junction between hem and the circuit board 1, and then guarantee the leakproofness in antenna cavity, promote antenna performance.

In a specific application, the folded edge is connected with the circuit board 1 through a surface mounting technology, so that the consistency and the performance of the antenna device are improved.

It should be noted that, the end of the folded edge is attached to the circuit board 1, that is, the end of the folded edge is tightly connected to the circuit board 1, so as to ensure that the signal of the antenna cavity is fed out through the opening 24 and cannot leak through the gap between the folded edge and the circuit board 1.

As shown in fig. 1, according to some embodiments of the present application, the folded edges include a first folded edge 21, a second folded edge 22 and a third folded edge 23 connected in sequence, the first folded edge 21 and the third folded edge 23 are oppositely arranged, the second folded edge 22 is located between the first folded edge 21 and the third folded edge 23 along the circumferential direction of the body 20, and the opening 24 is arranged corresponding to the second folded edge 22.

In this embodiment, the folded edge includes a first folded edge 21, a second folded edge 22 and a third folded edge 23 connected in sequence, wherein the first folded edge 21 and the third folded edge 23 are disposed oppositely, the second folded edge 22 is disposed between the first folded edge 21 and the third folded edge 23, and the opening 24 is disposed corresponding to the second folded edge 22, so as to surround the antenna cavity with the circuit board 1.

It should be noted that the first folded edge 21, the second folded edge 22, and the third folded edge 23 are all attached to the circuit board 1, that is, the first folded edge 21, the second folded edge 22, and the third folded edge 23 are all connected to the circuit board 1 in a sealing manner by the surface mount technology.

In a particular application, first flap 21, second flap 22, and third flap 23 are a unitary structure with body 20. Specifically, the first, second, and third flaps 21, 22, 23 are manufactured integrally with the body 20.

In a specific application, the shielding can 2 has a rectangular parallelepiped shape, a square shape, or other shapes.

Further, the shield case 2 is a metal cover body.

Of course, the number of the folded edges is set according to the shape of the body 20, for example, in the case of a circular shape of the body 20, the folded edges are configured in a circular arc shape, are arranged around a part of the circumference of the body 20, and are connected with the circuit board 1 to jointly enclose the antenna cavity. Wherein the number of the folded edges is at least one.

Further, the body 20 may also be in an elliptical shape, a triangular shape, a hexagonal shape, or other shapes, and specifically, the shape of the body 20 may be selected according to the internal space of the electronic device, so that the internal structure of the electronic device is compact, and the occupation of the antenna device on the internal space of the electronic device is reduced while the performance of the antenna device is ensured, which is not described herein again.

As shown in fig. 1, according to some embodiments of the present application, the shielding can 2 further includes a feed point flange 26, the feed point flange 26 is located at the opening 24, the feed point flange 26 extends from the edge of the body 20 to the circuit board 1 and is connected to the circuit board 1, and the circuit board 1 feeds a signal to the shielding can 2 through the feed point flange 26.

In this embodiment, the shielding case 2 further includes a feeding point flange 26, and the feeding point flange 26 is disposed at the opening 24 and extends from the body 20 toward the circuit board 1 to connect with the circuit board 1 for feeding signals. The signal transmission between the body 20 and the circuit board 1 is realized by arranging the folded edge on the shielding case 2, the structure is simple, the manufacture is convenient, and the production cost is reduced.

In a specific application, a signal in the circuit board 1 is fed to the shielding cage 2 through the feed point flange 26.

Further, the feed point flange 26 is of unitary construction with the body 20. Specifically, the feed point flange 26 is manufactured integrally with the body 20.

Further, the body 20 is provided with a first notch, the first notch extends from the opening 24 to the second folded edge 22, and the feed point folded edge 26 extends from one end of the first notch close to the second folded edge 22 to the circuit board 1.

In particular, the feed point flap 26 is arranged in correspondence with the second flap 22.

As shown in fig. 1, according to some embodiments of the present application, the shield can 2 further includes a ground flap 28, the ground flap 28 is located at the opening 24, the ground flap 28 extends from the edge of the body 20 toward the circuit board 1 and is connected to the circuit board 1, and the ground flap 28 is used for grounding.

In this embodiment, the shielding can 2 further includes a grounding flange 28, and the grounding flange 28 is disposed at the opening 24 and extends from the body 20 to the circuit board 1 to connect the body 20 and the circuit board 1 and ground the antenna cavity. The grounding function of the antenna cavity is realized by arranging the grounding folded edge 28 on the body 20, the structure is simple, the manufacture is convenient, and the production cost is further reduced.

In a particular application, the ground flange 28 is a unitary structure with the body 20. Further, the ground flange 28 is integrally manufactured with the body 20.

Further, the body 20 is provided with a second notch, the second notch extends from the opening 24 to the second folded edge 22, and the ground folded edge 28 extends from one end of the second notch close to the second folded edge 22 to the circuit board 1.

Further, the feed tab 26 is disposed adjacent to the ground tab 28.

Further, the ground flap 28 is disposed in correspondence with the second flap 22.

An embodiment of the present application provides an electronic device, including: an antenna device as claimed in any one of the above embodiments.

In this embodiment, the electronic device includes the antenna device provided in any of the above embodiments, so that all beneficial effects of the antenna device are achieved, and are not described herein again.

According to some embodiments of the application, the electronic device further comprises: the circuit board 1 is connected with the metal shell; the mainboard is arranged in the metal shell and is connected with the circuit board 1.

In this embodiment, the electronic device further includes a metal housing, and the circuit board 1 is connected to the metal housing, so as to implement grounding of the antenna and ensure reliability of the antenna apparatus. The mainboard is arranged in the metal shell and connected with the circuit board 1, so that signal transmission between the mainboard and the circuit board 1 is realized.

In a particular application, the main board passes the signal to the feed point flange 26, which in turn feeds the shielding cage 2.

It can be understood that, this application surrounds out the antenna chamber through shield 2 and circuit board 1, need not crack on metal casing, and then has guaranteed metal casing's integrality, avoids getting into materials such as dust, water by the gap, has still promoted electronic equipment's aesthetic property.

As shown in fig. 2, according to some embodiments of the present application, the electronic device further comprises: and the conductor 3, the circuit board 1 and the metal shell are connected through the conductor 3.

In this embodiment, the electronic device further comprises a conductor 3, and the circuit board 1 and the metal housing are connected by the conductor 3 to realize the grounding of the antenna device.

According to some embodiments of the present application, the conductor 3 comprises a conductive double-sided tape or a conductive foam.

In this embodiment, the conductor member 3 includes a conductive double-sided tape or a conductive foam, and in the case that the conductive member is a conductive double-sided tape, the conductive double-sided tape is adhered to the back surface of the circuit board 1 and connected to the metal housing, so as to implement grounding of the antenna device. Under the condition that the conductive adhesive is conductive foam, the conductive foam is arranged between the back surface of the circuit board 1 and the metal shell, and the grounding of the antenna cavity is realized. The conductive foam can also be mounted between the back surface of the circuit board 1 and the metal shell by means of bonding.

It will be appreciated that the back side of the circuit board 1, i.e. the side of the circuit board 1 facing away from the shielding cage 2.

In specific application, the embodiment provided by the application realizes the design of the antenna cavity by adopting the circuit board 1, thereby not only improving the performance of the antenna device, but also saving the cost and solving the problem of consistency in production and manufacturing.

Specifically, a complete antenna cavity is formed by directly surface mounting the shielding case 2 on the circuit board 1, the sealing performance of the cavity is greatly improved, the performance of the antenna device is improved accordingly, and the first folded edge 21, the second folded edge 22 and the third folded edge 23 are three edges formed by bending the shielding case 2 and can be completely sealed.

The feed point flange 26 is the feed point of the antenna device, and the ground flange 28 is the antenna lower point, and both are bent down through the narrow side of the shielding case 2, so that the antenna signal of the circuit board 1 is directly fed onto the shielding case 2.

The bottom of the circuit board 1 is grounded with the metal shell through the conductive double-sided adhesive tape to form a complete antenna device.

This application is a new form of antenna device, does not rely on the inside structure of electronic equipment, and the direct mode through pasting shield cover 2 on circuit board 1 realizes the manufacturing in antenna chamber, has not only promoted the antenna performance, can also reduce cost, has solved production line manufacturing problem.

It is understood that electronic devices include, but are not limited to, cell phones, tablets, watches, bracelets, and the like.

In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An antenna device, comprising:

a circuit board;

and the shielding cover is arranged on the circuit board and surrounds an antenna cavity with the circuit board.

2. The antenna device according to claim 1, wherein the shield case comprises:

the body is arranged opposite to the circuit board;

a folded edge which is arranged around part of the periphery of the body, extends from the body to the circuit board and is connected with the circuit board,

wherein, the week side of shield cover is equipped with the opening, the opening with the antenna chamber intercommunication.

3. The antenna device according to claim 2,

the end part of the folded edge is attached to the circuit board.

4. The antenna device according to claim 2,

the hem is including the first hem, second hem and the third hem that connect gradually, first hem with the third hem sets up relatively, follows the circumference of body, the second hem is located first hem with between the third hem, the opening with the second hem corresponds the setting.

5. The antenna device of claim 2,

the shielding case further comprises a feed point folding edge, the feed point folding edge is located at the opening, the feed point folding edge extends from the edge of the body to the circuit board and is connected with the circuit board, and the circuit board feeds signals into the shielding case through the feed point folding edge.

6. The antenna device according to claim 2,

the shielding case further comprises a grounding folded edge, the grounding folded edge is located at the opening and extends from the edge of the body to the circuit board and is connected with the circuit board, and the grounding folded edge is used for grounding.

7. An electronic device, comprising:

an antenna device as claimed in any one of claims 1 to 6.

8. The electronic device of claim 7, further comprising:

the circuit board is connected with the metal shell;

the mainboard is arranged in the metal shell, and the mainboard is connected with the circuit board.

9. The electronic device of claim 8, further comprising:

and the circuit board is connected with the metal shell through the conductor.

10. The electronic device of claim 9,

the conductor piece comprises conductive double faced adhesive tape or conductive foam.

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