TWM445781U - Complex antenna - Google Patents

Description

Composite antenna

The present invention relates to an antenna structure, and in particular to a composite antenna having two antennas on the same grounded substrate.

According to the modern electronic equipment, the use of wireless communication technology for information transmission has been widely used, in which electronic equipment needs to be equipped with an antenna, and by means of sensing electromagnetic waves, to achieve the function of receiving or transmitting information; and now more commonly used wireless network The domain includes a WLAN (Wireless Local Area Network) and a WWAN (Wireless Wide Area Network). Among them, the WLAN is mostly used for Bluetooth or Wi-Fi. The operating band of the Bluetooth antenna falls below 2.4. In GHz, Wi-Fi antenna operating bands are respectively at 2.4 GHz and 5 GHz; while WWAN is mostly used in GSM (Global System for Mo-bile communication), GPS (Global Positioning System) and CDMA (Code Division). Mul-tiple Access, where the GSM antenna operating band falls at 900MHz and 1800MHz, the GPS antenna operating band falls at 1575MHz, and CDMA is divided into three types: CDMA2000, WCDMA, and TD-SCDMA, CDMA2000. The working frequency band includes 800, 900, 1700, 1800, 1900, 2100MHz, the WCDMA working frequency band includes 1800, 1900, 2100MHz, and the TD-SCDMA working frequency band includes 900. 1800,2100MHz.

Generally, electronic devices are provided with a receiving end and a transmitting end, and respectively transmit and receive electromagnetic waves through two independent antennas. However, due to the trend of miniaturization of electronic devices today, the internal space of many electronic devices is insufficient for installation. Two or more Multi-arm antennas are the space in which the conventional antenna still needs to be improved.

The main purpose of this creation is to provide a composite antenna, which can provide two antennas on the same grounding substrate and use them as the medium for electromagnetic wave receiving and transmitting through the two antennas, thereby reducing the space occupied by the antenna and simultaneously achieving cost saving. purpose.

The present invention mainly provides a composite antenna, which can be connected to a receiving end and a transmitting end of an electronic device. The composite antenna includes a grounding substrate, a first antenna and a second antenna. The grounding substrate The first antenna and the second antenna are respectively disposed on the two opposite sides, and the first and second antennas respectively include a first feeding portion and a second feeding portion, and the first and second feeding portions The first input line and the second feed line are respectively connected to the receiving end and the transmitting end, respectively, whereby the electronic device can receive and emit electromagnetic waves respectively through the first antenna and the second antenna of the composite antenna.

The present invention further provides a composite antenna comprising a grounded substrate, a first antenna and a second antenna, wherein the opposite sides of the grounded substrate are respectively provided with the first antenna and the second antenna, and The first antenna includes a first connecting portion, a first radiating body and a first feeding portion. The first connecting portion is connected to the grounding substrate at one end, and the first radiating body is connected to the other end. The second antenna includes a second connecting portion, a second radiating body and a second feeding portion. The second connecting portion is connected to the grounding substrate at one end and the second radiating body at the other end.

The present invention further provides a composite antenna, which includes a grounded substrate, a first antenna, and a second antenna. The opposite sides of the grounded substrate are respectively provided with the first antenna and the second antenna. The first antenna and the second antenna respectively include a first feeding portion and A second feeding portion, wherein the first antenna and the second antenna system can work simultaneously for a Wireless Local Area Network (WLAN) or a Wireless Wide Area Network (WWAN).

The composite antenna of the present invention has a grounded substrate shared by the first and second antennas, and can be used as a medium for receiving and transmitting electromagnetic waves through the first and second antennas, thereby reducing the space occupied by the composite antenna. And achieve the purpose of cost saving.

The above and other objects, advantages and features of the present invention are apparent from the following detailed description of the preferred embodiments.

Please refer to the first figure, which is a perspective view of the first embodiment of the composite antenna. The composite antenna 100 can be connected to a receiving end (not shown) and a transmitting end of an electronic device (not shown). The composite antenna 100 is formed by cutting and bending a metal piece, and comprises: a grounding substrate 10, which is substantially in the shape of a flat plate, and opposite sides of which have a plane 11 respectively. The plane 11 defines two connecting sides 111 on opposite sides of the lateral direction. At the same time, the grounding substrate 10 is provided with two through holes 12, wherein one of the through holes 12 has a rectangular shape.

A first antenna 20 is connected to a connecting side 111. The first antenna 20 includes a first connecting portion 21, a first radiator 22 and a first feeding portion 23. The first connecting portion One end of the portion 21 is connected to the grounding substrate 10, and the other end is connected to the first radiator 22. In the first embodiment of the present invention, the first radiator 22 includes a first radiating portion that operates at a relatively low frequency. 221 and a second radiating portion 222 and a third radiating portion 223 operating in a relatively high frequency band, and the first radiating portion 221 operates in a frequency band of 2.4 GHz to 2.4835 GHz, and the second radiating portion 222 operates in 5.15. GHz In the 5.35 GHz band, the third radiating portion 223 operates in the 5.725 GHz to 5.85 GHz band, and the first feeding portion 23 is located on the first connecting portion 21 and is a through hole penetrating the first connecting portion 23 . The first feeding portion 23 is connected to the receiving end through a first feeding line 24 (refer to the third figure), and the first feeding line 24 is welded to the first feeding portion by welding. 23 on.

A second antenna 30 is connected to the other connecting side 111. The second antenna 30 includes a second connecting portion 31, a second radiating body 32 and a second feeding portion 33. The second connecting portion One end of the portion 31 is connected to the ground substrate 10, and the other end is connected to the second radiator 32. In the first embodiment of the present invention, the second radiator 32 includes a fourth radiating portion that operates at a relatively low frequency. 321 and a fifth radiating portion 322 and a sixth radiating portion 323 operating in a relatively high frequency band, and the fourth radiating portion 321 operates in a frequency band of 2.4 GHz to 2.4835 GHz, and the fifth radiating portion 322 operates at 5.15. In the GHz to 5.35 GHz band, the sixth radiating portion 323 operates in the 5.725 GHz to 5.85 GHz band, and the second feeding portion 33 is located on the second connecting portion 31 and penetrates through the second connecting portion 33. The first feeding portion 33 is connected to the receiving end through a second feeding line 34 (refer to the third figure), and the second feeding line 34 is soldered to the second feeding portion. Enter the section 33.

The first antenna 20 and the second antenna 30 in the first embodiment of the present invention are described by a symmetrically designed radiator. Of course, the first antenna 20 and the second antenna 30 may also be asymmetrically designed radiation. In the first embodiment of the present invention, the first antenna 20 and the second antenna 30 are erected on the plane 11 , whereby the electronic device can pass through the composite antenna 10 . 1. The second antennas 20 and 30 respectively receive And transmitting electromagnetic waves, and in the present embodiment, the first antenna 20 and the second antenna 30 are simultaneously applied to a Wireless Local Area Network (WLAN), and of course, the first antenna 20 and the second antenna. The antenna 30 can also modify the radiator structure to work in a Wireless Wide Area Network (WWAN).

In order to further understand the characteristics of this creation, the use of technical means and the expected results, we will describe the use of this creation, and believe that we can have a deeper and more specific understanding of this creation, as described below: In the present creation, the grounding substrate 10 is placed in the electronic device, and is fixed to the electronic device through the through holes 12, wherein the rectangular through hole 12 has a foolproof effect, and the second through the second A feed line 24 and a second feed line 34 are connected to the receiving end and the transmitting end of the electronic device, and enable the electronic device to receive and transmit electromagnetic waves via the first antenna 20 and the second antenna 30, respectively. In the present invention, the composite antenna 100 shares a grounded substrate 10 for the first and second antennas 10 and 20, so when the equipment purchases the antenna, the original composite antenna 100 can be purchased instead of the conventional two separate antennas. The utility model achieves the purpose of cost saving, and when the creation is set in the electronic device, the composite antenna 100 can also reduce the space occupying the electronic device, and is suitable for being applied in the miniaturized electronic device.

Please refer to the second figure, which is a front view of the second embodiment of the composite antenna; the composite antenna 100 of the second embodiment of the present invention is substantially the same as the first embodiment described above, and the main difference is that The first antenna 20 and the second antenna 30 are erected outwardly on the plane 11 .

Referring to the third figure, the three-dimensional embodiment of the composite antenna of the present invention is The composite antenna 100 of the third embodiment of the present invention is substantially the same as the first embodiment described above, and the main difference is that the first antenna 20 is erected on the plane 11, the second day. The line 30 is arranged laterally.

The specific embodiments set forth in the detailed description of the preferred embodiments are intended to be illustrative of the nature of the invention, and are not intended to limit the scope of the invention to the embodiments. The implementation of all kinds of changes is within the scope of this creation.

[This creation]

100‧‧‧Composite antenna

10‧‧‧ Grounding substrate

11‧‧‧ plane

111‧‧‧Connecting side

12‧‧‧through hole

20‧‧‧First antenna

21‧‧‧First connection

22‧‧‧First radiator

221‧‧‧First Radiation Department

222‧‧‧Second Radiation Department

223‧‧‧ Third Radiation Department

23‧‧‧First Feeding Department

24‧‧‧first feed line

30‧‧‧second antenna

31‧‧‧Second connection

32‧‧‧Second radiator

321‧‧‧Fourth Radiation Department

322‧‧‧ Fifth Radiation Department

323‧‧‧Sixth Radiation Department

33‧‧‧Second Feeding Department

34‧‧‧second feedline

The first figure is a perspective view of a first embodiment of the composite antenna.

The second figure is a front view of a second embodiment of the inventive composite antenna.

The third figure is a perspective view of a third embodiment of the composite antenna.

100‧‧‧Composite antenna

10‧‧‧ Grounding substrate

11‧‧‧ plane

111‧‧‧Connecting side

12‧‧‧through hole

20‧‧‧First antenna

21‧‧‧First connection

22‧‧‧First radiator

221‧‧‧First Radiation Department

222‧‧‧Second Radiation Department

223‧‧‧ Third Radiation Department

23‧‧‧First Feeding Department

30‧‧‧second antenna

31‧‧‧Second connection

32‧‧‧Second radiator

321‧‧‧Fourth Radiation Department

322‧‧‧ Fifth Radiation Department

323‧‧‧Sixth Radiation Department

33‧‧‧Second Feeding Department

Claims (19)

A composite antenna is connected to a receiving end and a transmitting end of an electronic device. The composite antenna includes: a grounding substrate, respectively defining a connecting side on two opposite sides; a first antenna, The first antenna system includes a first radiator and a first feeding portion, and the first feeding portion is connected to the receiving end through a first feeding line; and The second antenna is connected to the other connecting side, the second antenna includes a second radiator and a second feeding portion, and the second feeding portion is coupled to the transmitting end through a second feeding line. The electronic device can receive and emit electromagnetic waves through the first and second antennas of the composite antenna. The composite antenna of claim 1, wherein the first antenna system further comprises a first connecting portion, the first connecting portion is connected to the ground substrate at one end, and the first radiation is connected to the other end. And the second antenna system further includes a second connecting portion, the second connecting portion is connected to the grounding substrate at one end, and the second radiating body is connected to the other end. The composite antenna of claim 2, wherein the first radiation system comprises a first radiating portion operating at a relatively low frequency and a second radiating portion and a third radiating portion operating in a relatively high frequency band. Meanwhile, the second radiation system includes a fourth radiation portion that operates at one of a relatively low frequency and a fifth radiation portion and a sixth radiation portion that operate in a relatively high frequency band. The composite antenna according to claim 3, wherein the first radiating portion and the fourth radiating portion operate in a frequency band of 2.4 GHz to 2.4835 GHz, and the second radiating portion and the fifth radiating portion operate at 5.15. In the GHz to 5.35 GHz band, the third radiating portion and the sixth radiating portion operate in the 5.725 GHz to 5.85 GHz band. The composite antenna of claim 2, wherein the first feeding portion is located on the first connecting portion, and the second feeding portion is located at the second connecting portion. A composite antenna includes: a grounding substrate, a connecting side is defined on each of the opposite sides; a first antenna is connected to one of the connecting sides, and the first antenna includes a first connection a first radiating body and a first feeding portion, the first connecting portion is connected to the grounding substrate at one end, and the first radiating body is connected to the other end; and a second antenna, and the first antenna The line is symmetrically disposed, and the connection is disposed on the other connection side. The second antenna includes a second connection portion, a second radiator, and a second feed portion. The second connection portion is connected to the ground at one end. The substrate is connected to the second radiator at the other end. The composite antenna of claim 6, wherein the composite antenna is connectable to a receiving end and a transmitting end of an electronic device, and the first feeding portion is transmitted through the first feeding line and the receiving The second feeding portion is connected to the transmitting end through a second feeding line, whereby the electronic device can receive and emit electromagnetic waves respectively through the first antenna and the second antenna through the composite antenna. . The composite antenna according to claim 6, wherein the first antenna The radiation system includes a first radiation portion that operates at a relatively low frequency and a second radiation portion and a third radiation portion that operate in a relatively high frequency band, and the second radiation system includes a fourth operating portion that operates at a relatively low frequency. The radiating portion and the fifth radiating portion and the sixth radiating portion operating in a relatively high frequency band. The composite antenna according to claim 8, wherein the first radiating portion and the fourth radiating portion operate in a frequency band of 2.4 GHz to 2.4835 GHz, and the second radiating portion and the fifth radiating portion operate at 5.15. In the GHz to 5.35 GHz band, the third radiating portion and the sixth radiating portion operate in the 5.725 GHz to 5.85 GHz band. The composite antenna of claim 6, wherein the first feeding portion is located on the first connecting portion, and the second feeding portion is located at the second connecting portion. A composite antenna comprising: a grounding substrate, respectively defining a connecting side on two opposite sides; a first antenna connected to one of the connecting sides, the first antenna comprising a first radiation And a first feeding portion; and a second antenna is connected to the other connecting side, the second antenna includes a second radiator and a second feeding portion; wherein, the first day The line and the second antenna system can work simultaneously for a Wireless Local Area Network (WLAN) or a Wireless Wide Area Network (WWAN). The composite antenna of claim 11, wherein the composite antenna is connectable to a receiving end and a transmitting end of an electronic device, the first feed The input portion is connected to the receiving end through a first feeding line, and the second feeding portion is connected to the transmitting end through a second feeding line, whereby the electronic device can pass through the composite antenna, through the first The second antenna receives and emits electromagnetic waves. The composite antenna of claim 11, wherein the first antenna system further comprises a first connecting portion, the first connecting portion is connected to the grounding substrate at one end, and the first radiation is connected to the other end. And the second antenna system further includes a second connecting portion, the second connecting portion is connected to the grounding substrate at one end, and the second radiating body is connected to the other end. The composite antenna of claim 13, wherein the first radiation system comprises a first radiating portion operating at a relatively low frequency and a second radiating portion and a third radiating portion operating in a relatively high frequency band. Meanwhile, the second radiation system includes a fourth radiation portion that operates at one of a relatively low frequency and a fifth radiation portion and a sixth radiation portion that operate in a relatively high frequency band. The composite antenna according to claim 14, wherein the first radiating portion and the fourth radiating portion operate in a frequency band of 2.4 GHz to 2.4835 GHz, and the second radiating portion and the fifth radiating portion operate at 5.15. In the GHz to 5.35 GHz band, the third radiating portion and the sixth radiating portion operate in the 5.725 GHz to 5.85 GHz band. The composite antenna of claim 13, wherein the first feeding portion is located on the first connecting portion, and the second feeding portion is located at the second connecting portion. The composite antenna of claim 1, wherein the grounding substrate is substantially in the form of a flat plate, and the opposite side systems respectively have A plane defining the connecting side on the laterally opposite side, wherein the first antenna is erected on the plane, and the second antenna is disposed laterally. The composite antenna of claim 1 or claim 6, wherein the grounding substrate is substantially in the shape of a flat plate, and the opposite side systems respectively have a plane defined by the laterally opposite sides. There are such connection sides, wherein the first antenna and the second antenna are both erected on the plane. The composite antenna of claim 18, wherein the first antenna and the second antenna are obliquely disposed outwardly on the plane.