CN201117800Y - antenna module - Google Patents

Abstract

The utility model discloses an antenna module has insulating substrate, antenna pattern layer and feeder, and antenna pattern layer attaches on insulating substrate, and the feeder is equipped with inner core, metallic braid, connects the first slice conductor of inner core and connects the second slice conductor of metallic braid, and first slice conductor and second slice conductor attach respectively on antenna pattern layer. Therefore, the insulating substrate of the antenna module, the antenna pattern, and the first and second sheet conductors of the feeder line are laminated to reduce the volume of the antenna module.

Description

antenna module

Technical field

The utility model relates to an antenna module, in particular to an antenna module applied to mobile communication products.

Background technique

Now is an era of information technology and the vigorous development of the electronic industry. With the advancement of mobile communication technology and network technology derived from various computers, many products are small in size, complete in function and low in price, and are increasingly popular. Many people love it, especially mobile communication products that are closely related to our lives, and the wide application of mobile communication products has further shortened the distance between people in time and space.

With the continuous introduction of new communication products, people's requirements for the functions of communication products are getting higher and higher. Whether future communication products have more convenient, more efficient and more functions and services has become an important factor in evaluating the communication products. index. With the development of communication products towards short, thin, and easy-to-carry market demand, more and more communication products are gradually replacing traditional exposed antennas with built-in antennas, thereby reducing the size of communication products.

Taiwan Patent Application No. 091112828 discloses an existing antenna. The antenna has a rectangular support, a planar radiation conductor is provided on the top surface of the rectangular support, and a plurality of locking blocks are provided on the bottom surface of the rectangular support. One side of the radiating conductor is bent downwards to extend a feeding terminal and a grounding terminal. When the antenna is assembled in the electronic product, the rectangular support is fastened on the printed circuit board through the locking block, and the feed-in terminal and the ground terminal are pressed against the conductive sheet on the printed circuit board.

However, the antenna must be disposed on the rectangular support and fastened to the printed circuit board through the rectangular support so that the antenna is electrically connected to the conductive sheet of the printed circuit board. Therefore, it is necessary to consider the volume of the rectangular support when designing communication products, so that the communication products cannot meet the market demand of being short, thin, and easy to carry.

Taiwan Patent Application No. 092126628 discloses another conventional antenna, which is arranged on an electronic device and includes a ground plate, a first radiating part, a second radiating part, a connecting part, a feed-in terminal and a coaxial feeder, wherein Both the first radiating part and the second radiating part are bent from one end of the connecting part along different paths into an unclosed rectangular ring, and the other end of the connecting part is connected to the grounding plate to short-circuit the radiating part and the grounding plate to feed the The end is arranged at the bending part of the connecting part. In addition, the ground plate is bent into a Z shape, and an installation hole is provided at one end of the ground plate, so that the antenna can be installed in the electronic device. The inner core and the metal braiding layer of the coaxial feeder are electrically connected to the feed-in end and the grounding plate respectively.

However, the ground plate of the antenna is bent into a Z shape, and the first radiating part and the second radiating part are bent into a rectangular ring, so the antenna still needs a certain reserved space when it is installed in an electronic device, so when designing a product At the same time, the volume of the antenna still needs to be considered, and it cannot meet the market demand of being short, thin, and easy to carry. Therefore, how to design an antenna with a small volume has become a current research topic for manufacturers of communication products and antennas.

Utility model content

The main purpose of the utility model is to provide a small antenna module.

In order to achieve the above object, the utility model provides an antenna module, which includes an insulating substrate, an antenna pattern layer and a feeder line, the antenna pattern layer is attached to the insulating substrate, and is provided with an antenna part, a ground part, a feed-in terminal and The ground terminal, and the feed-in terminal and the ground terminal are respectively arranged in the antenna part and the ground part. The sheet conductor is arranged at one end of the feeder and is electrically connected to the inner core and the metal braiding layer respectively. The first sheet conductor and the second sheet conductor of the feeder are attached to the feeding end and the grounding end of the antenna graphic layer respectively.

In order to achieve the above object, the utility model provides another antenna module, which is arranged in an electronic device having an outer shell and an inner shell relative to the outer shell, the antenna module includes an antenna attached to the inner side of the outer shell Graphic layer and a feeder with inner core and metal braid. The antenna graphic layer is provided with an antenna part, a ground part, a feed-in end arranged on the antenna part and a ground end arranged on the ground part, and one end of the feeder wire is respectively provided with a first sheet conductor connected to the inner core and a metal braided wire connected to it. A second sheet-shaped conductor of the layer, the first sheet-shaped conductor and the second sheet-shaped conductor are attached to the feeding end and the grounding end of the antenna pattern layer respectively.

Therefore, the antenna pattern layer of the antenna module is attached on the insulating substrate or attached to the inner side of the outer shell of the electronic device, and the first sheet-shaped conductor and the second sheet-shaped conductor of the feeder are also attached on the antenna pattern layer, and then The layered stacking is formed, so that the antenna module of the present invention has a smaller volume.

Description of drawings

In the accompanying drawings of the manual:

FIG. 1 is a schematic structural diagram of the antenna module of the present invention.

FIG. 2 is a schematic structural view of the insulating substrate of the antenna module of the present invention.

FIG. 3 is a schematic structural diagram of the antenna pattern layer of the antenna module of the present invention.

FIG. 4 is a schematic structural diagram of the coaxial feeder of the antenna module of the present invention.

FIG. 5 is a schematic diagram of the structure of the antenna module of the present invention disposed on the electronic device.

The reference signs of each component in the figure are explained as follows:

Antenna Module 100 Insulation Substrate 1

Feed Groove 10 Ground Groove 11

Antenna Graphics Layer 2 Antenna Section 20

Grounding part 21 Feed-in terminal 22

Ground terminal 23 coaxial feeder 3

Inner Core 30 Metal Braid 31

The first sheet conductor 32 The second sheet conductor 33

Electronic device 200 outer casing 201

Cover body 202 Fixed post 203

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following specific examples are given and described in detail with accompanying drawings.

Referring to FIG. 1 , the antenna module 100 of the present invention has an insulating substrate 1 , an antenna pattern layer 2 and a coaxial feeder 3 . Referring to FIG. 2 , the insulating substrate 1 is provided with a feed-in groove 10 and a ground groove 11 . In the present invention, the insulating substrate 1 is injection molded by an insulating material, such as Acrylonitrile Butadiene Styrene (ABS) or Polycarbonate (PC).

Please refer to FIG. 3 , the antenna pattern layer 2 is attached on the insulating substrate 1, and it has an antenna part 20, a ground part 21, a feed-in terminal 22 and a ground terminal 23, and the feed-in terminal 22 and the ground terminal 23 are respectively arranged on the antenna part 20. , On the ground part 21. The feeding end 22 and the grounding end 23 of the antenna pattern layer 2 are overlapped on the feeding groove 10 and the grounding groove 11 of the insulating substrate 1 . In the present utility model, the antenna pattern layer 2 can be formed on the metal film attached to the insulating substrate 1 by means of electroplating, sputtering, water splashing, printing or painting, and the antenna part 20 can be formed on the on the insulating substrate 1.

In addition, an anti-oxidation layer or an anti-rust layer may also be provided on the antenna pattern layer 2 to prevent the antenna pattern layer 2 from oxidation or rust. In actual implementation, the anti-oxidation layer or anti-rust layer can be formed on the antenna pattern layer 2 by means of electroplating, sputtering, water dipping, printing or painting, etc., using materials such as nickel, gold or silver.

Referring to Fig. 4, the coaxial feeder 3 has an inner core 30 and a metal braid 31, and one end of the coaxial feeder 3 is respectively provided with a first sheet conductor 32 electrically connected to the inner core 30 and a first sheet conductor electrically connected to the metal braid 31. the second sheet conductor 33 . In this embodiment, the first sheet conductor 32 and the second sheet conductor 33 are conductive sheets such as copper sheet or nickel sheet. Please refer to FIG. 1 , the first sheet-shaped conductor 32 and the second sheet-shaped conductor 33 of the coaxial feeder 3 are attached to the feeding end 22 and the grounding end 23 of the antenna pattern layer 2 respectively via conductive adhesive, and are arranged on the insulating substrate 1 The feeding groove 10 and the grounding groove 11.

Please refer to Fig. 5, when the antenna module 100 of the present invention is arranged on the electronic device 200, the outer casing 201 of the electronic device 200 can replace the insulating substrate 1, so that the antenna pattern layer 2 is attached to the inner side of the outer casing 201, and the coaxial feeder The first sheet-shaped conductor 32 and the second sheet-shaped conductor 33 at one end of 3 are respectively attached to the feeding end 22 and the grounding end 23 of the antenna pattern layer 2, and the other end of the coaxial feeder 3 is connected to the wireless communication of the electronic device 200 module (not shown in the figure). In addition, a fixing column 203 protrudes from the feed-in end 22 and the ground end 23 of the cover body 202 abutting with the outer shell 201 relative to the antenna pattern layer 2 . When the outer shell 201 and the cover 202 are combined, the fixing column 203 is made to abut against the first sheet-shaped conductor 32 and the second sheet-shaped conductor 33 of the coaxial feeder 3, so that the first sheet-shaped conductor 32 and the second sheet-shaped conductor 33 It is firmly attached to the antenna pattern layer 2 and fixed in the feeding groove 10 and the grounding groove 11 .

As can be seen from the above description, the antenna pattern layer 2 of the antenna module 100 of the present invention is a metal thin film and is attached to the insulating substrate 1, while the first sheet conductor 32 and the second sheet conductor 33 of the coaxial feeder 3 are attached to each other. Attached to the antenna pattern layer 2 , thus forming layered lamination, thereby reducing the volume of the antenna module 100 . In addition, the first sheet-shaped conductor 32 and the second sheet-shaped conductor 33 of the coaxial feeder 3 are pressed against the first sheet-shaped conductor 32 and the second sheet-shaped conductor 33 through the fixing column 203, so that the first sheet-shaped conductor 32 and the second sheet-shaped conductor 33 can be firmly attached to the antenna pattern layer. 2 on.

Claims (9)

1. An antenna module, comprising: an insulating substrate, an antenna pattern layer attached to the insulating substrate and a feeder provided with an inner core and a metal braiding layer, it is characterized in that: the antenna pattern layer is provided with an antenna portion, an The grounding part, a feed-in end arranged on the antenna part and a grounding end arranged on the grounding part, one end of the feeder line is respectively provided with a first sheet-shaped conductor connected to the inner core and a second sheet-shaped conductor connected to the metal braiding layer, The first sheet conductor and the second sheet conductor are attached to the feeding end and the grounding end of the antenna pattern layer respectively. 2. The antenna module according to claim 1, wherein the insulating substrate is provided with a feed-in groove and a ground groove corresponding to the feed-in end and the ground end of the antenna pattern layer, respectively. 3 . The antenna module according to claim 1 , wherein the first sheet-shaped conductor and the second sheet-shaped conductor of the feeder line are respectively disposed in the feeding groove and the grounding groove of the insulating substrate. 4 . 4. The antenna module according to claim 1, characterized in that: conductive glue is respectively connected between the first sheet conductor and the second sheet conductor of the feeder and the feeding end and the grounding end of the antenna pattern layer . 5. The antenna module according to claim 1, wherein the antenna pattern layer is in the form of a film. 6. An antenna module, which is arranged in an electronic device. The electronic device is provided with an outer casing and an inner casing relative to the outer casing. The antenna module includes: an antenna pattern layer attached to the inner side of the outer casing and an inner casing. Feeders for core and metal braid, characterized by: The antenna graphic layer is provided with an antenna part, a ground part, a feed-in end arranged on the antenna part and a ground end arranged on the ground part, and one end of the feeder wire is respectively provided with a first sheet conductor connected to the inner core and a metal braided wire connected to it. A second sheet-shaped conductor of the layer, the first sheet-shaped conductor and the second sheet-shaped conductor are attached to the feeding end and the grounding end of the antenna pattern layer respectively. 7. The antenna module according to claim 6, characterized in that: a feed-in groove and a ground groove corresponding to the feed-in end and the ground end of the antenna pattern layer are provided on the inner side of the outer shell of the electronic device, and the feeder line The first sheet-shaped conductor and the second sheet-shaped conductor are respectively arranged in the feed-in groove and the grounding groove of the outer casing. 8. The antenna module according to claim 6, characterized in that: conductive glue is respectively connected between the first sheet conductor and the second sheet conductor of the feeder and the feeding end and the grounding end of the antenna graphic layer . 9. The antenna module according to claim 6, wherein the antenna pattern layer is in the form of a film.

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