TWI636621B - Antenna module - Google Patents

Abstract

An antenna module is suitable for being mounted on a metal casing, comprising an antenna body, an antenna grounding line electrically connected to the antenna body, and a conductive foam surrounding the module electrically connecting the antenna grounding line and surrounding one of the antenna bodies side. Wherein, the conductive foam is electrically connected to the metal casing around the module.

Description

Antenna module

The invention discloses an antenna module. In particular, the present invention discloses an antenna module for use in a metal housing.

Electronic devices are increasingly thin and light, and have increasingly powerful data processing and communication capabilities. Therefore, various types of electronic devices are used in people's daily lives, and they have become an indispensable part of people's daily lives.

In recent years, electronic devices, such as computer mainframes, tablet computers, displays, keyboards, television boxes, and mobile phones, have become increasingly popular, and there are also designs and applications that combine different functions. In order to achieve the communication needs of electronic devices with each other, in order to achieve mutual communication, the purpose of expanding the functions of electronic devices is to become a standard device for electronic devices.

However, when the antennas required for wireless communication are embedded in these electronic devices, the transmission and reception capabilities of the antennas are often affected by the presence of electronic circuit boards or other metal casings. It is particularly noteworthy that due to the demand for the design of electronic devices and the strength of electronic device casings, more and more electronic devices are designed with full metal casings. In this way, the ability of the antenna to receive signals is shielded by the metal casing, which is liable to cause poor reception.

How to improve the ability of the wireless device antenna to receive wireless communication capabilities will effectively increase the space and range of electronic devices with wireless communication capabilities.

In view of this, the present invention discloses an antenna module capable of improving the communication capability of a wireless antenna of an electronic device having a metal casing.

An embodiment of the present invention relates to an antenna module, which is suitable for being mounted on a metal casing. The antenna module includes an antenna body, an antenna grounding line is electrically connected to the antenna body, and a conductive foam surrounding mold The group is electrically connected to the antenna grounding line and surrounds one side of the antenna body. Wherein, the conductive foam is electrically connected to the metal casing around the module.

In one embodiment, the metal casing further includes a non-metal cover, and the antenna body is located inside the non-metal cover, and the conductive foam surrounding the module also surrounds the inner side of the non-metal cover.

In one embodiment, the non-metallic cover is a plastic cover. In another embodiment, the non-metallic cover is a ceramic cover.

In one embodiment, the conductive foam surrounding module further includes a first conductive foam, a second conductive foam, and a third conductive foam, which surround the inner side of the antenna body and the non-metal cover. The first conductive foam, the second conductive foam and the third conductive foam are respectively electrically connected to the grounding line of the antenna, and are electrically connected to the metal casing respectively.

In one embodiment, the metal casing further includes a first surface, a second surface, a third surface, a fourth surface, a fifth surface and a sixth surface, both of which are made of a metal material.

In an embodiment, the first surface, the second surface, the third surface, the fourth surface, and the sixth surface are integrally formed of a metal material.

In one embodiment, the non-metal cover is located on the first surface, and the conductive foam surrounding the module is located inside the first surface, the second surface, the third surface and the fourth surface, and electrically connected to the sixth surface, so that The conductive foam surrounds the module, the sixth surface, the antenna body, and the antenna ground line to form a space.

In summary, the antenna module disclosed in the present invention can electrically connect an antenna grounding line and a metal casing around a module in a metal casing to enhance the antenna module and use the antenna module. The ability of the electronic device to receive and transmit wireless signals. In addition, the antenna body, the antenna grounding line, the conductive foam surrounding module and the metal casing form a space together, which can further enhance the capability of the antenna module and the wireless signal receiving and transmitting of the electronic device using the antenna module.

The following is a detailed description of the embodiments, but the embodiments are not intended to limit the scope of the disclosure, and the description of the structural operation is not intended to limit the order of execution, and any components are recombined. The structure and the device with equal efficiency are all covered by the disclosure. In addition, the drawings are for illustrative purposes only and are not drawn to the original dimensions. For the sake of understanding, the same or similar elements in the following description will be denoted by the same reference numerals.

In addition, the terms used in the entire specification and the scope of the patent application, unless otherwise specified, usually have the usual meaning of each word used in the field, in the content disclosed herein and in the special content. . Certain terms used to describe the disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in the description of the disclosure.

The terms "first", "second", etc., used herein are not intended to refer to the order or order, nor are they intended to limit the invention, only to distinguish between elements or operations described in the same technical terms. Only.

Secondly, the terms "including", "including", "having", "containing", and the like, as used herein, are all open terms, meaning, but not limited to.

FIG. 1 is a schematic diagram of an antenna module according to an embodiment of the invention. As shown, the antenna module 300 is used to be mounted in a metal casing 100 to increase the ability of the electronic device to receive and transmit wireless signals.

The metal casing 100 includes a non-metal cover 200, and the antenna module 300 includes an antenna body 310. The antenna grounding line 320 is electrically connected to the antenna body 310 and a conductive foam surrounding the module 400.

The antenna body 310 is generally located on an inner side of the non-metal cover 200. The conductive foam surrounding module 400 surrounds the inner side of the antenna body 310 and the non-metal cover 200, that is, inside the metal casing 100. As shown, the conductive foam surrounding module 400 extends from the non-metal cover 200 and one end of the antenna body 310 toward the interior of the metal casing 100 to form a U-shaped appearance. In addition, the conductive foam is electrically connected to the antenna grounding line 320 around one end of the module 400, and the conductive foam is electrically connected to the metal casing 100 around the other end of the module 400. Therefore, the antenna body 310, the conductive foam surrounding the module 400, the antenna grounding line 320, and the metal casing 100 together form a space, which can effectively increase the capability of receiving and transmitting wireless signals.

As shown in FIG. 1 , the metal casing 100 includes a first surface 110 , a second surface 120 , a third surface 130 , a fourth surface 140 , a fifth surface 150 , and a sixth surface 160 . The ground is made of a metal material. Any of the adjacent surfaces may be formed separately or integrally formed without departing from the spirit and scope of the invention.

For example, the first surface 110, the second surface 120, the third surface 130, the fourth surface 140, and the sixth surface 160 may be integrally formed of a metal material, or the sixth surface 160 may be separately formed with the first surface 110. The second surface 120, the third surface 130, and the fourth surface 140 are joined without departing from the spirit and scope of the present invention.

In one embodiment, the non-metallic cover 200 is located on the first surface 110, and the conductive foam surrounding the module 400 is located inside the first surface 110, the second surface 120, the third surface 130, and the fourth surface 140, and is Between the fifth surface 150 and the sixth surface 160, the sixth surface 160 is contacted by the conductive foam around the module 400, and electrically connected to the sixth surface 160. In addition, the conductive foam surrounding the module 400 is also electrically connected to the antenna grounding line 320. Therefore, the conductive foam surrounds the module 400, the sixth surface 160 and the antenna body 310 and the antenna grounding line 320 to form a space to further enhance The ability of the antenna module 300 to receive and transmit signals.

In one embodiment, the non-metal cover 200 is a plastic cover. In another embodiment, the non-metal cover 200 is a ceramic cover, but the invention is not limited thereto.

FIG. 2 is a schematic diagram of an antenna module according to another embodiment of the present invention. The conductive foam surrounding module 400 further includes a first conductive foam 410, a second conductive foam 420 and a third conductive foam 430, which surround the inner side of the antenna body 310 and the non-metal cover 200. The first conductive foam 410, the second conductive foam 420 and the third conductive foam 430 are respectively formed with a notch 440 and a notch 450. Therefore, the first conductive foam 410, the second conductive foam 420 and the third conductive The foam 430 is a separate conductive foam, which can be electrically connected to the antenna ground line 320 and respectively contact the sixth surface 160 and electrically connected to the sixth surface 160. Therefore, the first conductive foam 410, the second conductive foam 420, the third conductive foam 430, the sixth surface 160, the antenna body 310, and the antenna ground line 320 together form a space to further enhance the antenna module 300 receiving. With the ability to transmit signals.

In summary, the antenna module disclosed in the present invention can electrically connect an antenna grounding line and a metal casing around a module in a metal casing to enhance the antenna module and use the antenna module. The ability of the electronic device to receive and transmit wireless signals. In addition, a space formed by the antenna body, the antenna grounding line, the conductive foam surrounding module and the metal casing can further enhance the capability of receiving and transmitting the wireless signal of the antenna module and the electronic device using the antenna module.

The present disclosure has been disclosed in the above embodiments, and is not intended to limit the disclosure. Any one of ordinary skill in the art can make various changes and refinements without departing from the spirit and scope of the disclosure. The scope of protection is subject to the definition of the scope of the patent application.

100‧‧‧Metal case
110‧‧‧ first surface
120‧‧‧second surface
130‧‧‧ third surface
140‧‧‧Fourth surface
150‧‧‧ fifth surface
160‧‧‧ sixth surface
200‧‧‧Non-metal cover
300‧‧‧Antenna Module
310‧‧‧Antenna body
320‧‧‧Antenna grounding line
400‧‧‧conductive foam surrounding module
410‧‧‧First conductive foam
420‧‧‧Second conductive foam
430‧‧‧ Third conductive foam
440‧‧ ‧ gap
450‧‧‧ gap

The above and other objects, features, advantages and embodiments of the present disclosure will be more apparent and understood. The description of the drawings is as follows: FIG. 1 is a schematic diagram of an antenna module according to an embodiment of the invention. FIG. 2 is a schematic diagram of an antenna module according to another embodiment of the invention.

Claims (10)

An antenna module is mounted on a metal casing, the antenna module includes: an antenna body; an antenna grounding line electrically connected to the antenna body; and a conductive foam surrounding the module, electrically connecting the antenna to the ground a circuit, and surrounding one side of the antenna body, wherein the conductive foam is electrically connected to the metal casing around the module, wherein the conductive foam surrounds the module, the antenna body, the antenna grounding line, and the metal A metal casing surface of the casing forms a space to enhance the ability of the antenna module to receive and transmit signals. The antenna module of claim 1, wherein the metal casing further comprises a non-metal cover, and the antenna body is located on an inner side of the non-metal cover, and the conductive foam surrounds the non-metal cover around the module. The inside. The antenna module of claim 2, wherein the non-metal cover is a plastic cover. The antenna module of claim 2, wherein the non-metal cover is a ceramic cover. The antenna module of claim 2, wherein the conductive foam surrounds the module, further comprising a first conductive foam, a second conductive foam and a third conductive foam surrounding the antenna body The inner side of the non-metallic cover. The antenna module of claim 5, wherein the first conductive foam, the second conductive foam, and the third conductive foam are electrically connected to the antenna grounding line, respectively, and electrically connected to the metal machine shell. The antenna module of claim 6, wherein the metal casing further comprises a first surface, a second surface, a third surface, a fourth surface, a fifth surface and a sixth surface, It is composed of a metal material, and the sixth surface is the surface of the metal casing. The antenna module of claim 7, wherein the first surface, the second surface, the third surface, the fourth surface, and the sixth surface are integrally formed of a metal material. The antenna module of claim 8, wherein the non-metal cover is located on the first surface. The antenna module of claim 9, wherein the conductive foam surrounding module is located on the first surface, the second surface, the third surface and the fourth surface, and is electrically connected to the sixth The surface is such that the conductive foam surrounds the module, the sixth surface is combined with the antenna body and the antenna ground line to form the space.