TWM561928U - Five-feed three-stacked antenna structure - Google Patents

Abstract

A five-input three-stack antenna structure includes: a first antenna, a second antenna, and a third antenna. The first antenna has two first feeding elements, and the first feeding element of the first feeding element is electrically connected to the first radiating metal layer through the first base of the first antenna, and is not electrically connected to the grounding metal layer. The second substrate of the second antenna is stacked on the first substrate, and the second feeding element is electrically connected to the second substrate and the first substrate and electrically connected to the ground metal layer. . The third base body of the third antenna is stacked on the second base body, and the third feed element passes through the third base body, the second base body and the first base body and is electrically connected to the third radiating metal layer, and is not connected to the ground metal layer. Electrically coupled to form a three-stack antenna structure having five feeds for receiving various wireless communication systems.

Description

Five-fed three stacked antenna structure

The present invention relates to an antenna, and more particularly to a three-stacked antenna structure having five feeds for receiving frequencies of different communication systems.

At present, the wireless communication system used in the market at least includes: a global navigation satellite system (GNSS), a dedicated short-range communication technology system (DSRC), a satellite digital audio service system (SDARS), and a long-term evolution technology system (LTE). ), a wireless network system (WLAN/BT) 60, and the like. Moreover, the global navigation satellite system includes global, regional and enhanced, such as Global Positioning System (GPS), GLONASS is the GLOBAL NAVIGATION SATELLITE SYSTEM in Russian. Abbreviations, Galileo positioning system (Galileo), Beidou satellite navigation system, and related augmentation systems such as WAAS (Wide Area Augmentation System), EGNOS (European Static Navigation Overlay System) and MSAS (Multifunctional Transportation Satellite Augmentation System) Wireless communication system. In these wireless communication systems, each wireless communication system has a matching receiving antenna to receive signals.

In recent years, with the continuous advancement of technology, the above various wireless communication systems are integrated into an electronic device (such as a driving computer of a car), so that the electronic device can be started without redesigning regardless of marketing to the world. use. Since the electronic device integrates a plurality of wireless communication systems, relatively many antennas are required on the circuit board of the electronic device to receive signals of various wireless communication systems.

Although such an integrated design makes the electronic device less restricted by the place of use and the area, the electronic device has a plurality of antennas integrated on the circuit board, and each antenna has a specific size, and the dispersed positions are not located. The same and occupying space will lead to an increase in the area of the circuit board, and also make the outer casing or space mounted on the circuit board relatively large, thus causing integration difficulties.

Therefore, the main purpose of this creation is to solve the traditional deficiency. The present invention aims to provide a three-stack antenna structure with five antennas stacked to receive signals of various wireless communication systems, and to enable stacking. The three-stack antenna can be easily integrated with electronic devices, making the integrated design simpler and without causing the board area to become larger.

To achieve the above purpose, the present invention provides a five-input three-stack antenna structure, including: a first antenna, a second antenna, and a third antenna. The first antenna has a first base body thereon, the surface of the first base body has a first radiating metal layer, and the bottom surface of the first base body has a grounding metal layer, and the first antenna has two through a first feeding element of the first substrate, the two first feeding elements are electrically connected to the first radiating metal layer through the first substrate, and the two first feeding elements do not pass through the bottom surface of the first substrate The grounded metal layer is electrically connected. The second antenna has a second base body disposed on a surface of the first radiating metal layer of the first substrate, and a second radiating metal layer on the surface of the second substrate. The two antennas have two second feeding elements, and the two second feeding elements are electrically connected to the first base body and the second radiating metal layer through the second base body, and the two second feeding elements are worn. The outside of the bottom surface of the first substrate is not electrically connected to the ground metal layer. The third antenna has a third base body on the surface of the second radiating metal layer disposed on the second substrate, and a third radiating metal layer on the surface of the third substrate. The three antennas have a third feeding element, and the third feeding element is electrically connected to the third radiating metal layer, respectively, through the third base body, the second base body and the first base body, and the third feeding element The input component is electrically connected to the ground metal layer through the outside of the bottom surface of the first substrate.

In an embodiment of the present invention, a first through hole, a second through hole, a third through hole, a fourth through hole and a fifth through hole are defined in the first base. The second through hole, the third through hole, the fourth through hole and the fifth through hole penetrate the first base, the first radiating metal layer and the grounding metal layer.

In an embodiment of the present invention, the first through hole, the second through hole, the third through hole, the fourth through hole, and the fifth through hole are arranged in a cross shape.

In an embodiment of the present invention, the two first feeding elements penetrate the first base body from the fourth through hole and the fifth through hole.

In an embodiment of the present invention, the second substrate is provided with a sixth through hole, a seventh through hole and an eighth through hole extending through the second base and the second radiating metal layer. The six through holes, the seventh through holes and the eighth through holes respectively correspond to the first through holes, the second through holes and the third through holes of the first base body.

In an embodiment of the present invention, after the second feeding element passes through the seventh through hole and the eighth through hole and is electrically connected to the second radiating metal layer, the second feeding element The second through hole and the third through hole respectively extend outside the bottom surface of the first substrate and are not electrically connected to the ground metal layer.

In an embodiment of the present invention, the third substrate is provided with a ninth through hole penetrating the third base body and the third radiating metal layer, and the ninth through hole corresponds to the sixth through hole of the second base body. And a first through hole of the first substrate.

In one embodiment of the present invention, the ninth through hole of the third feeding element, the sixth through hole of the second substrate, and the first through hole of the first substrate to the first An external portion of the bottom surface of the substrate is electrically connected to the third radiating metal layer when the third feeding element passes through the ninth through hole, and the third feeding element does not pass through the outside of the bottom surface of the first substrate The grounded metal layer is electrically connected.

In an embodiment of the present invention, the third feed element has a T shape, and the third feed element has a head that extends a rod.

In an embodiment of the present invention, the area of the second substrate is smaller than the area of the first radiant metal layer, and the first radiant metal layer is exposed when the second substrate is disposed on the surface of the first radiant metal layer. .

In an embodiment of the present invention, the area of the third substrate is smaller than the area of the second radiant metal layer, and the second radiant metal layer is exposed when the third substrate is disposed on the surface of the second radiant metal layer. .

In an embodiment of the present invention, the first substrate, the second substrate, and the third substrate are flat plate-shaped bodies or blocks made of a ceramic dielectric material.

The technical content and detailed description of this creation are now described as follows:

Please refer to Figure 1-4, which is a schematic diagram of the three-input three-input stacked antenna structure, the combination, the bottom view and the back side of the first substrate. As shown in the figure: the five-input stacked antenna structure of the present invention includes: a first antenna 1, a second antenna 2, and a third antenna 3. The first antenna 1, the second antenna 2, and the third antenna 3 are stacked in a nearly pyramid-shaped three-stack antenna 10 to form a five-input three-stack antenna structure capable of receiving frequencies of different communication systems. .

The first antenna 1 has a first substrate 11 having a first radiant metal layer 12 on the surface thereof. The bottom surface has a grounding metal layer 13. The first substrate 11 has a first a through hole 14 , a second through hole 15 , a third through hole 16 , a fourth through hole 17 and a fifth through hole 18 , the first through hole 14 , the second through hole 15 , the third The through hole 16, the fourth through hole 17 and the fifth through hole 18 penetrate the first base 11, the first radiating metal layer 12 and the grounding metal layer 13, and are arranged in a cross shape. In addition, the first antenna 1 further includes two first feeding elements 19a and 19b. The two first feeding elements 19a and 19b are penetrated by the fourth through hole 17 and the fifth through hole 18. A base 11 is electrically connected to the first radiating metal layer 12, and is electrically connected to the grounding metal layer 13 after the two first feeding elements 19a and 19b pass outside the bottom surface of the first substrate 11. In the present drawing, the first substrate 11 is a flat plate-like body or a block body made of a ceramic dielectric material.

The second antenna 2 has a second substrate 21 disposed on a surface of the first radiating metal layer 11 of the first substrate 1. The area of the second substrate 21 is smaller than the second antenna 21 The area of the first radiating metal layer 12 is such that the first radiating metal layer 12 is exposed when the second substrate 21 is disposed on the surface of the first radiating metal layer 12. In addition, a second radiant metal layer 22 is disposed on the surface of the second substrate 21, and the second substrate 21 is provided with a sixth through hole 23 extending through the second substrate 21 and the second radiant metal layer 22. a seventh through hole 24 and an eighth through hole 25, the sixth through hole 23, the seventh through hole 24 and the eighth through hole 25 respectively corresponding to the first through holes 14 of the first base 11 The two through holes 15 and the third through holes 16. The second antenna 2 further includes two second feeding elements 26a and 26b. The second feeding elements 26a and 26b respectively pass through the seventh through hole 24 and the eighth through hole 25. After the second radiant metal layer 22 is electrically connected, the second feeding elements 26a and 26b respectively pass through the second through hole 15 and the third through hole 16 extends outside the bottom surface of the first substrate 1 The grounded metal layer 13 is electrically connected. In the present drawing, the second substrate 21 is a flat plate-like body or a block body made of a ceramic dielectric material.

The third antenna 3 has a third base 31 on the surface of the second radiating metal layer 22 disposed on the second base 21. The third base 31 has an area smaller than the third antenna 31. The area of the second radiant metal layer 22 is such that the second radiant metal layer 22 is exposed when the third substrate 31 is disposed on the surface of the second radiant metal layer 22. In addition, a third radiant metal layer 32 is disposed on the surface of the third substrate 31. The third substrate 31 is provided with a ninth through hole 33 extending through the third substrate 31 and the third radiant metal layer 32. The ninth through hole 33 corresponds to the sixth through hole 23 of the second base 21 and the first through hole 14 of the first base 11. Moreover, the third antenna 3 further includes a third feeding element 34 having a T shape. The third feeding element 34 has a head 341 extending from a rod 342. The rod body 342 passes through the ninth through hole 33 of the third base body 31, the sixth through hole 23 of the second base body 21, and the first through hole 14 of the first base body 11 to the bottom surface of the first base body 11. external. The third feeding element 34 is electrically connected to the third radiating metal layer 32 when the third feeding element 34 passes through the ninth through hole 33. When the third feeding element 34 passes through the outside of the bottom surface of the first substrate 11, the The ground metal layer 13 is electrically connected. In the present drawing, the third base body 31 is a flat plate-like body or a block body made of a ceramic dielectric material.

Please refer to FIG. 5 , which is a side cross-sectional view of the three-input stacked antenna structure of the present invention. As shown in the figure, after the first base body 11 , the second base body 21 and the third base body 31 of the present invention are sequentially stacked, the two first feeding elements 19 a , 19 b pass through the first base body 11 . a fourth through hole 17 , a fifth through hole 18 , the second feeding elements 26 a , 26 b passing through the seventh through hole 24 of the second base 21 , the eighth through hole 25 and the first base 11 The second through hole 15 and the third through hole 16 , and the third feeding element 34 passes through the ninth through hole 33 of the third base 31 , the sixth through hole 23 of the second base 21 , and the first The first through hole 14 of the base body forms a three-stack antenna structure having five feeds.

Please refer to FIG. 6 , which is a schematic diagram of the electrical connection of the three-input stacked antenna structure of the present invention and the circuit board of the electronic device. After the first antenna 1, the second antenna 2, and the third antenna 3 are stacked, the two first feeding elements 19a, 19b, the second feeding elements 26a, 26b, and the third after the feeding element 34 and the circuit board of the electronic device 20 is electrically connected to the first antenna 1 is formed may receive GPS L5 / L2 signal frequency 1100MH _Z -1250MH _Z. The second antenna 2 is formed may receive GPS / GNSS / Beidou signal frequency 1500MH _Z -1650MH _Z. The third line 3 is formed may receive SDARS / WLAN signal frequency 2300MH _Z -2500MH _Z.

Since the three stacked antennas 10 are electrically connected to the circuit board 20 of the electronic device, different wireless communication system frequencies can be received, and when used on the electronic device, the volume or area of the electronic device is not increased.

However, the above description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of patent protection of the present creation. Therefore, the equivalent changes made by using the present specification or the content of the schema are all included in the right of the creation. Within the scope of protection, it is given to Chen Ming.

10‧‧‧Three stacked antennas

1‧‧‧first antenna

11‧‧‧ First substrate

12‧‧‧First radiant metal layer

13‧‧‧Grounded metal layer

14‧‧‧First through hole

15‧‧‧Second through hole

16‧‧‧ third through hole

17‧‧‧4th through hole

18‧‧‧5th through hole

19a, 19b‧‧‧ first feed element

2‧‧‧second antenna

21‧‧‧Second substrate

22‧‧‧second radiant metal layer

23‧‧‧ sixth through hole

24‧‧‧ seventh through hole

25‧‧‧8th through hole

26a, 26b‧‧‧second feed element

3‧‧‧ third antenna

31‧‧‧ third matrix

32‧‧‧ Third radiant metal layer

33‧‧‧ ninth through hole

34‧‧‧ third feed element

341‧‧‧ head

342‧‧‧ rod body

20‧‧‧ boards

FIG. 1 is a schematic exploded view of the stacked antenna structure of the fifth feed of the present invention;

Figure 2 is a schematic diagram of the combination of the three stacked antenna structures of the five feeds of the present creation;

Figure 3 is a bottom view of the stacked antenna structure of the fifth feed of the present invention;

Figure 4 is a schematic rear view of the first substrate of the present invention;

Figure 5 is a side cross-sectional view showing the structure of the five-input stacked antenna of the present invention;

FIG. 6 is a schematic diagram showing the electrical connection of the stacked antenna structure of the fifth feed of the present invention and the circuit board of the electronic device.

Claims (12)

A five-input three-stack antenna structure electrically connected to a circuit board of an electronic device, comprising: a first antenna having a first substrate thereon, the surface of the first substrate having a first radiating metal The bottom surface of the first substrate has a grounded metal layer, and the first antenna has two first feeding elements passing through the first substrate, and the two first feeding elements pass through the first substrate and the The first radiating metal layer is electrically connected, and the two first feeding elements are not electrically connected to the grounding metal layer through the bottom surface of the first substrate; and a second antenna has a second substrate thereon, the second antenna The base system has a second radiating metal layer disposed on the surface of the first radiating metal layer of the first substrate, and the second antenna has two second feeding elements, the second The second feeding element is electrically connected to the first base body and the second radiating metal layer through the second base body, and the two second feeding elements are not electrically connected to the grounding metal layer outside the bottom surface of the first base body. Sexual connection; a third antenna having a third substrate thereon The third base system has a third radiating metal layer on a surface of the second radiating metal layer disposed on the second substrate, and the third antenna has a third feeding element. After the third feeding element is electrically connected to the third radiating metal layer, respectively, the third feeding body, the second base body and the first base body are respectively passed through the third feeding element outside the bottom surface of the first base body. Electrically coupled to the grounded metal layer. The fifth stacked antenna structure of the fifth feeding method described in claim 1 , wherein the first base has a first through hole, a second through hole, a third through hole and a fourth through hole. And a fifth through hole, the first through hole, the second through hole, the third through hole, the fourth through hole and the fifth through hole penetrating the first base, the first radiating metal layer and the ground Metal layer. The fifth stacked antenna structure of the fifth feeding method described in claim 2, wherein the first through hole, the second through hole, the third through hole, the fourth through hole, and the fifth through hole Arranged in a cross. The five-input stacked antenna structure of the fifth feeding device described in claim 3, wherein the two first feeding elements extend through the first base through the fourth through hole and the fifth through hole. The fifth stacked antenna structure of the fifth feeding method described in claim 4, wherein the second substrate is provided with a sixth through hole and a seventh through the second base and the second radiating metal layer. a through hole and an eighth through hole, the sixth through hole, the seventh through hole and the eighth through hole respectively corresponding to the first through hole, the second through hole and the third through hole of the first base body . The fifth stacked antenna structure of the fifth feeding element described in claim 5, wherein the two second feeding elements respectively pass through the seventh through hole and the eighth through hole and the second radiating metal layer After being electrically connected, the two second feeding elements respectively pass through the second through holes and the third through holes extend outside the bottom surface of the first substrate without being electrically connected to the ground metal layer. The fifth stacked antenna structure of the fifth feeding method described in claim 6 , wherein the third substrate is provided with a ninth through hole penetrating the third base body and the third radiating metal layer, the ninth The through hole corresponds to the sixth through hole of the second base and the first through hole of the first base. The fifth stacked antenna structure of the fifth feeding unit according to claim 7 , wherein the third feeding element of the third feeding element passes through the ninth through hole of the third substrate, and the sixth through hole of the second substrate a first through hole of the first substrate is external to a bottom surface of the first substrate, and is electrically connected to the third radiating metal layer when the third feeding element passes through the ninth through hole, and the third feeding The component is not electrically connected to the ground metal layer through the outside of the bottom surface of the first substrate. A three-input stacked antenna structure as described in claim 1, wherein the third feed element has a T shape, and the third feed element has a head that extends a rod. The five-input stacked antenna structure as described in claim 1, wherein the second substrate has an area smaller than an area of the first radiating metal layer, and the second substrate is disposed on the first radiating metal layer. The surface of the first radiant metal is exposed. The five-input stacked antenna structure as described in claim 1, wherein the third substrate has an area smaller than an area of the second radiating metal layer, and the third substrate is disposed on the second radiating metal layer. The surface of the second radiant metal is exposed. The five-input stacked antenna structure as described in claim 1, wherein the first substrate, the second substrate, and the third substrate are flat plate-like bodies or blocks made of a ceramic dielectric material. body.