TWM459543U - Multi-band antenna - Google Patents

Description

Multi-frequency antenna

The present invention relates to an antenna, and more particularly to a multi-frequency antenna.

Press, as we all know, the USB wireless network card is connected to the computer to send and receive wireless network signals. With the rapid development of the wireless communication industry, people's requirements for wireless communication are also constantly increasing. The antenna is usually built in the USB wireless network card to improve the wireless network signal frequency coverage of the USB wireless network card. Generally, the antenna built in the USB wireless network card has a complicated structure and can only transmit and receive wireless networks conforming to the second generation mobile communication standard (Second Generation, abbreviated as 2G) and the third generation mobile communication standard (Third Generation, abbreviated as 3G). Signal. However, the frequency range of the second generation mobile communication standard and the third generation mobile communication standard has been unable to meet the increasing frequency band requirements.

Therefore, the fourth-generation mobile communication standard has gradually replaced the second-generation mobile communication standard and the third-generation mobile communication standard. Long Term Evolution (LTE) is a wireless network technology that conforms to the fourth-generation mobile communication standard. It is compatible with the Global System of Mobile Communication (GSM) network and is gradually being adopted. Accepted by countries all over the world, it has become the fourth-generation mobile communication standard.

However, in order to meet the increasing frequency band requirements and the LTE frequency bands used by countries, and taking into account the limitations of the internal space of the USB wireless network card, it is necessary to provide a built-in USB wireless network card, and capable of transmitting and receiving multiple frequency bands and complying with the LTE frequency band. Multi-frequency antenna for wireless network signals.

The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art, and to provide a multi-frequency antenna which is simple in structure and regular, built in a USB wireless network card, and capable of transmitting and receiving multi-band and conforming to the LTE frequency band wireless network signal.

The present invention provides a multi-frequency antenna built in a USB wireless network card, including a high frequency radiation portion, a feed portion and a low frequency radiation portion. The high-frequency radiation portion has a base portion, a simulated inductor portion extending forward from a left side of a front edge of the base portion, a first extension portion extending forward from a right side of a front edge of the base portion, and a first extension portion extending from the first extension portion a second extension portion extending laterally from the front end and a third extension portion extending forward from the left side of the front edge of the second extension portion. The feeding portion is formed by extending from a rear edge of the base portion and extending forward, and a feeding point is disposed on one side of the bottom portion of the feeding portion. The low-frequency radiation portion has a bent portion extending forward from the front edge of the first extending portion and extending vertically downwardly and then extending continuously to the left, and a vertical bent from the tail end of the bent portion a coupling portion extending extending laterally toward the third extending portion and an auxiliary portion extending rearward from the tail end of the coupling portion and extending laterally toward the analog inductor portion, wherein the high frequency radiation portion, the coupling portion, and the auxiliary portion are coplanar The high-frequency radiation portion, the coupling portion, and the auxiliary portion and the bent portion are located on two planes perpendicular to each other.

In summary, the present multi-frequency antenna is coplanar with the high-frequency radiation portion, the coupling portion, and the auxiliary portion, and the high-frequency radiation portion, the coupling portion, and the auxiliary portion and the bent portion are located on two planes perpendicular to each other. The multi-frequency antenna has a simple and regular structure, so that the multi-frequency antenna can be built in the USB wireless network card under the limitation of the limited space of the USB wireless network card, and can transmit and receive multi-band and conform to the wireless network signal of the LTE frequency band.

100‧‧‧Multi-frequency antenna 10‧‧‧High-frequency radiation part 11‧‧‧ Base 12‧‧‧Simulated inductance part 13‧‧‧First extension 14‧‧‧Second extension 15‧‧‧ Third extension Ministry 151‧‧‧ First horizontal section 152‧‧‧Second transverse section 16‧‧‧First slotted 20‧‧‧Feeding section 21‧‧‧Feeding point 30‧‧‧Low-frequency radiation section 31‧‧‧ bend Folding part 32‧‧‧ coupling part 33‧‧‧Auxiliary part 34‧‧‧Second slot 60‧‧‧Insulation 70‧‧‧Connecting piece 80‧‧‧PCB

The first picture is a perspective view of the multi-frequency antenna of the present creation.
The second figure is another perspective view of the multi-frequency antenna shown in the first figure.
The third figure is a perspective view of the multi-frequency antenna shown in the first figure electrically connected to the circuit board of the USB wireless network card.

In order to explain in detail the technical content, structural features, goals and effects of the present invention, the following is a detailed description with reference to the drawings.

Referring to the first figure and the second figure, the multi-frequency antenna 100 is built in a USB wireless network card (not shown) to transmit and receive multi-band wireless network signals conforming to the LTE frequency band. The present multi-frequency antenna 100 includes a high-frequency radiation portion 10, a feed portion 20, and a low-frequency radiation portion 30. The present multi-frequency antenna 100 is fabricated by a process of etching a flexible wiring board.

Referring to the first and second figures, the high-frequency radiating portion 10 has a rectangular plate-shaped base portion 11 and an elongated analog-shaped inductor portion 12 extending from the left side of the front edge of the front portion of the base portion 11. a first extending portion 13 extending forward from the right side of the front edge of the base portion 11, a second extending portion 14 extending laterally from the front end of the first extending portion 13 to the left, and a left side from the front edge of the second extending portion 14 The third extension 15 is formed to extend forward. The second extension portion 14 is located in front of the analog inductor portion 12 and spaced apart from the analog inductor portion 12 .

Referring to the first and second figures, the third extending portion 15 includes a first lateral portion 151 extending forward from the left side of the front edge of the second extending portion 14 and a front edge from the first lateral portion 151. The left side of the left side extends forward and extends laterally to the left to form a second transverse portion 152. The second extending portion 14 , the first lateral portion 151 and the second lateral portion 152 are arranged in a stepped manner. The left edge of the second extension 14 is flush with the left edge of the first lateral portion 151. The left side of the second lateral portion 152 extends beyond the left edge of the first lateral portion 151. The analog inductor portion 12 is spaced apart from the first extension portion 13 , and a first slot 16 is formed between the analog inductor portion 12 and the first extension portion 13 . The first slot 16 can make the analog inductor portion 12 The first extension portion 13 functions as an analog inductor to adjust the high-frequency input impedance and the high-frequency bandwidth of the multi-frequency antenna 100 of the present invention, thereby improving the transmission and reception performance and efficiency of the high-frequency signal of the present multi-frequency antenna 100.

Referring to the first figure and the second figure, the feeding portion 20 is formed by extending the rear edge of the base portion 11 and extending forward. A feeding point 21 is disposed on one side of the bottom of the feeding portion 20.

Referring to the first and second figures, the low-frequency radiating portion 30 has a bent portion extending forward from the front edge of the first extending portion 13 and extending vertically downwardly and then extending continuously to the left. 31. A coupling portion 32 extending from the rear end of the bent portion 31 and extending perpendicularly to the third extending portion 15 and extending rearward from the tail end of the coupling portion 32 and extending laterally toward the analog inductor portion 12 Auxiliary part 33. The bent portion 31 is located in front of the high-frequency radiation portion 10, the feeding portion 20, the coupling portion 32, and the auxiliary portion 33. The high-frequency radiation portion 10, the coupling portion 32, and the auxiliary portion 33 are coplanar, and the high-frequency radiation portion 10, the coupling portion 32, and the auxiliary portion 33 and the bent portion 31 are located in two planes perpendicular to each other. Therefore, the multi-frequency antenna 100 The structure is simple and regular, so that the multi-frequency antenna 100 can be built in the USB wireless network card under the limitation of the limited space of the USB wireless network card.

The auxiliary portion 33 and the coupling portion 32 extend behind the second lateral portion 152 of the third extending portion 15, and the right side of the front edge of the coupling portion 32 is spaced apart from the second lateral portion 152, and the auxiliary portion 33 and the first horizontal portion The portions 151 are spaced apart from each other, and a portion of the auxiliary portion 33 that extends laterally toward the analog inductor portion 12 is located behind the third extending portion 15 and the second extending portion 14 and spaced apart from the third extending portion 15 and the second extending portion 14 . The right side of the auxiliary portion 33 is spaced apart from the analog inductor portion 12. The coupling portion 32 is spaced apart from the left side of the bent portion 31, and a second slot 34 is formed between the coupling portion 32 and the left side of the bent portion 31. The second slot 34 can make the coupling portion 32 and the bend The left side of the folded portion 31 functions as an analog capacitor to adjust the low frequency input impedance and the low frequency bandwidth of the present multi-frequency antenna 100, thereby improving the transmission and reception performance and efficiency of the low frequency signal of the present multi-frequency antenna 100.

Referring to the second and third figures, when the multi-frequency antenna 100 is built in the USB wireless network card, the multi-frequency antenna 100 is fixed on an insulating member 60 and the multi-frequency antenna 100 is supported by the insulating member 60. The USB wireless network card includes a connector 70 and a circuit board 80. The connecting member 70 is fixed to the bottom of the feeding portion 20 of the multi-frequency antenna 100 and the multi-frequency antenna 100 is electrically connected to the circuit board 80 of the USB wireless network card via the bottom of the connecting member 70.

Please refer to the first diagram, the second diagram and the third diagram. When the multi-frequency antenna 100 is built in the USB wireless network to transmit and receive the wireless network signal conforming to the LTE frequency band, the high-frequency radiation unit 10 is used for transmitting and receiving 1710. ～1990MHz and 1990～2170MHz band range and comply with the LTE band wireless network signal. The low-frequency radiation unit 30 is configured to transmit and receive wireless network signals in the frequency range of 700 to 960 MHz and conform to the LTE frequency band. Therefore, the present multi-frequency antenna 100 can transmit and receive multi-band and conform to the wireless network signal of the LTE band.

As described above, the present multi-frequency antenna 100 is coplanar with the high-frequency radiation portion 10, the coupling portion 32, and the auxiliary portion 33, and the high-frequency radiation portion 10, the coupling portion 32, and the auxiliary portion 33 are located at the bent portion 31. The two planes are perpendicular to each other. Therefore, the structure of the multi-frequency antenna 100 is simple and regular, so that the multi-frequency antenna 100 can be built in the USB wireless network card under the limitation of the limited space of the USB wireless network card, and can transmit and receive multiple frequency bands and Wireless network signal conforming to the LTE band.

100‧‧‧Multi-frequency antenna

10‧‧‧High Frequency Radiation Department

11‧‧‧ base

12‧‧‧Simulated Inductance Department

13‧‧‧First Extension

14‧‧‧Second extension

15‧‧‧ Third Extension

151‧‧‧ first horizontal

152‧‧‧ second transverse

16‧‧‧First slotting

20‧‧‧Feeding Department

30‧‧‧Low Frequency Radiation Department

31‧‧‧Bends

32‧‧‧Coupling Department

33‧‧‧Auxiliary Department

34‧‧‧Second slotting

70‧‧‧Connecting parts

Claims (10)

A multi-frequency antenna built into a USB wireless network card, including:
a high-frequency radiation portion having a base portion, a simulated inductor portion extending forward from a left side of a front edge of the base portion, a first extension portion extending forward from a right side of a front edge of the base portion, and a first extension portion extending from the first extension portion a second extension portion extending laterally from the front end and a third extension portion extending forward from a left side of the front edge of the second extension portion;
a feeding portion formed by extending a rear edge of the base portion and extending forwardly, a feeding point is disposed on a side of the bottom portion of the feeding portion, and a low frequency radiating portion having a front edge from the first extending portion a bending portion formed by extending forwardly and vertically downwardly and then extending to the left, and a coupling portion extending from the tail end of the bending portion and extending vertically to the third extending portion An auxiliary portion extending rearward from the rear end of the coupling portion and extending laterally toward the analog inductor portion, wherein the high-frequency radiation portion, the coupling portion, and the auxiliary portion are coplanar and the high-frequency radiation portion, the coupling portion, and the auxiliary portion and the bending portion are located Two planes perpendicular to each other. The multi-frequency antenna of claim 1, wherein the third extension portion comprises a first lateral portion extending forward from a left side of a front edge of the second extension portion and a front portion from the first lateral portion A second lateral portion extending forwardly from the left side of the edge and extending laterally to the left, the second extending portion, the first lateral portion and the second lateral portion are arranged in a stepped manner. The multi-frequency antenna of claim 2, wherein a left edge of the second extension is flush with a left edge of the first lateral portion, and a left side of the second lateral portion extends over the first lateral portion Left edge. The multi-frequency antenna of claim 2, wherein the auxiliary portion and the coupling portion extend behind the second lateral portion of the third extending portion, and the right side of the front edge of the coupling portion is spaced apart from the second lateral portion. The auxiliary portion and the first lateral portion are spaced apart from each other, and a portion of the auxiliary portion extending toward the analog inductor portion is located behind the third extending portion and the second extending portion and spaced apart from the third extending portion and the second extending portion. The multi-frequency antenna of claim 1, wherein the second extension is located in front of the analog inductor portion and spaced apart from the analog inductor portion. The multi-frequency antenna of claim 1, wherein the analog inductor portion is spaced apart from the first extension portion, and a first slot is formed between the analog inductor portion and the first extension portion, the first Slotting allows the analog inductor and the first extension to function as analog inductors. The multi-frequency antenna according to claim 1, wherein the bent portion is located in front of the high-frequency radiation portion, the feeding portion, the coupling portion, and the auxiliary portion. The multi-frequency antenna of claim 1, wherein the coupling portion is spaced apart from the left side of the bent portion, and a second slot is formed between the coupling portion and the left side of the bent portion, the second Slotting allows the coupling portion and the left side of the bend to function as an analog capacitor. The multi-frequency antenna according to claim 1, wherein the high-frequency radiation unit is configured to transmit and receive wireless network signals in a frequency range of 1710 to 1990 MHz and 1990 to 2170 MHz, and the low-frequency radiation unit is configured to transmit and receive 700 to Wireless network signal in the 960MHz band. The multi-frequency antenna of claim 1, wherein the multi-frequency antenna is fixed on an insulating member and the multi-frequency antenna is supported by the insulating member when the multi-frequency antenna is built in the USB wireless network card. The USB wireless network card includes a connector and a circuit board. The connector is fixed to the bottom of the feeding portion of the multi-frequency antenna and the multi-frequency antenna is electrically connected to the circuit board of the USB wireless network card via the bottom of the connector.