TWM586880U - Dipole multi-band antenna structure - Google Patents

Abstract

A dipole multi-frequency antenna structure includes: a substrate, the substrate is provided with a first surface, and the first surface is provided with a first radiation body, a second radiation body and a first isolation empty area, and the first isolation empty The area is located between the first radiation body and the second radiation body. The first radiation body is provided with a plurality of empty areas, a plurality of annular empty areas, a plurality of empty portions and a feeding point. The second radiation body is provided with a plurality of empty areas. Empty regions, multiple matching regions, multiple empty segments, first high-frequency path, second high-frequency path, second isolated empty region, third isolated empty region, and ground terminal; with the above-mentioned settings and one-sided The circuit printing can reduce the reachable area of this creation, save cost and production time, and can have the same bandwidth and gain as conventional.

Description

Dipole multi-frequency antenna structure

This creation is about an antenna structure, especially a dipole multi-frequency antenna structure.

According to the general dipole antenna, please refer to the first figure, the first figure A and the second figure, which are mainly a substrate 1, which is provided with a first surface 10 and a second surface 11, the first The surface 10 is provided with an elliptical radiating area 12 and a strip-shaped matching area 13, and the second surface 11 is provided with a reaction area 14 corresponding to the matching area 13 to achieve the effect of resonating at different frequencies. However, due to the foregoing, an antenna having a length of about 149.4 mm and a width of 58 mm is formed in the area of the substrate 1.

The general dipole antenna, although it can resonate at different frequencies, requires printed circuits on both sides. Therefore, in the manufacturing process, two-sided printing is often required, which results in complicated manufacturing time and high costs. Because the radiation area is an oval-shaped and a strip-shaped matching area, it requires a larger area of the substrate.

Therefore, how to eliminate the above-mentioned shortcomings is the technical difficulty that the creators of this case want to solve.

In view of the above problems of existing dipole antennas, the purpose of this creation is to provide an antenna structure that can achieve single-sided printing and reduce size, and can have the same antenna structure as conventional ones. Bandwidth and gain.

In order to achieve the above purpose, the present invention provides a dipole multi-frequency antenna structure, which includes: a substrate, the substrate is provided with a first surface, and the first surface is provided with a first radiating body, a second radiating body, and a first radiating body. An isolated empty area is provided with a first side and a second side.

The first radiation body is provided with a plurality of first empty areas, a plurality of second empty areas, a third empty area, a first annular empty area, a second annular empty area, a third annular empty area, and a fourth annular empty area. Area, the fifth annular empty area, the sixth annular empty area, a plurality of empty portions, and the feeding point, a fourth annular empty area is disposed in the first annular empty area, and the first annular empty area and two The empty portions are connected to each other, and the empty portions are each connected to a second empty area. A fifth annular empty area is disposed in the second annular empty area, and an empty portion is connected to the second annular empty area. The empty portion is connected to an empty portion. A second empty space is connected, the second annular empty area extends to connect a sixth annular empty area, a third empty area is disposed in the third annular empty area, and an empty portion is connected in the third annular empty area. The empty portion is connected to a second empty area, the first radiation body is connected to the first side of the first isolated empty area, the first side of the first isolated empty area is connected to two of the first empty areas, The feed point is set in the two first spaces And is connected to the first isolation region between the depletion region.

The second radiation body is provided with a plurality of fourth empty regions, a fifth empty region, a plurality of sixth empty regions, a first matching region, a second matching region, a first empty segment, a second empty segment, and a plurality of first empty regions. The three empty sections, the fourth empty section, the fifth empty section, the first high-frequency path, the second high-frequency path, the second isolated empty section, the third isolated empty section, and the ground terminal. A second side of an isolated empty area is connected, the ground terminal, the first high-frequency path and the second high-frequency path are connected to the second side of the first isolated empty area, and the first high-frequency path is connected to the second high-frequency path Each is provided with a third side and a fourth side, the third side is connected with the third isolated empty area, the fourth side is connected with the second isolated empty area, and the fifth empty area is connected with the first empty section and the first The two empty segments are connected. Five of the sixth empty regions of the plurality of sixth empty regions are connected to each other, and a third empty segment is connected between them. A closed loop is not formed. Two of the six empty zones are connected to the first empty section and the second empty section, respectively, and one of the five sixth empty sections is connected to the fourth empty section and the fifth empty section on both sides, respectively. The five empty sections are respectively connected to a sixth empty section. A first matching section is provided in the fifth empty section, and the fifth empty section is connected to the second matching section.

In this creation, an insulation member may be further provided between the first radiation body and the second radiation body. The insulation member is provided with two openings, and the opening surrounds the feeding point and the ground terminal respectively. The point is shorted to ground.

With the above-mentioned settings and single-sided circuit printing in this creation, the area of the substrate can be reduced, thereby saving costs and production time, and still having the same bandwidth and gain as conventional.

1‧‧‧ substrate

10‧‧‧ the first side

11‧‧‧ second side

12‧‧‧ radiation zone

13‧‧‧ matching area

14‧‧‧ reaction zone

2‧‧‧ substrate

20‧‧‧first surface

21‧‧‧The first radiation body

22‧‧‧Second Radiation Body

31‧‧‧The first empty zone

31a‧‧‧The first empty zone

31b‧‧‧The first empty zone

32‧‧‧ Second empty zone

32a‧‧‧Second empty zone

32b‧‧‧Second empty zone

32c‧‧‧Second empty zone

32d‧‧‧Second empty zone

33‧‧‧ Third empty zone

34‧‧‧ Fourth empty zone

35‧‧‧Fifth empty zone

36‧‧‧Sixth empty zone

41‧‧‧The first empty ring zone

42‧‧‧Second annular empty zone

43‧‧‧ Third empty ring zone

44‧‧‧ Fourth empty ring zone

45‧‧‧Fifth annular empty zone

46‧‧‧Sixth annular empty area

51‧‧‧The first empty paragraph

52‧‧‧ Second empty paragraph

53‧‧‧ Third empty paragraph

54‧‧‧ Fourth empty paragraph

55‧‧‧ fifth empty paragraph

61‧‧‧Feed point

62‧‧‧ Ground

71‧‧‧The first isolated empty zone

711‧‧‧first side

712‧‧‧second side

713‧‧‧third side

714‧‧‧Fourth side

72‧‧‧Second isolated empty zone

73‧‧‧ Third isolated empty zone

81‧‧‧First high frequency path

82‧‧‧second high frequency path

9‧‧‧ empty

9a‧‧‧empty

9b‧‧‧empty

9c‧‧‧empty

9d‧‧‧empty

101‧‧‧First Matching Area

102‧‧‧Second matching area

103‧‧‧Insulation

104‧‧‧ opening

The first figure is a schematic front view of a conventional printed antenna printed on a substrate.

The first diagram A is a schematic side view of a conventional substrate.

The second figure is a schematic diagram of the conventional printed antenna printed on the back of the substrate.

The third picture is a schematic view of the front of the substrate for this creation.

The third picture A is a schematic side view of the creative substrate

The fourth diagram is a schematic diagram of another embodiment of the creation.

The fifth image is a schematic diagram of the frequency band and reflection loss of the image creation.

In order to make your reviewer more convenient and concise to understand the other features and advantages of this creation and the effect it has achieved, we hereby combine this creation with the accompanying drawings, which are explained in detail as follows: Please refer to Figure 3 and Figure 3A As shown, a dipole multi-frequency antenna structure includes a substrate 2 provided with a first surface 20 on which a first radiating body 21, a second radiating body 22, and a first The isolated empty area 71 is provided with a first side 711 and a second side 712.

The first radiation body 21 is provided with a plurality of first empty areas 31, 31a, 31b, a plurality of second empty areas 32, a third empty area 33, a first annular empty area 41, a second annular empty area 42, The third ring-shaped empty region 43, the fourth ring-shaped empty region 44, the fifth ring-shaped empty region 45, the sixth ring-shaped empty region 46, the plurality of empty portions 9 and the feeding point 61, wherein the plurality of first empty-space regions 31 are high Frequency impedance matching, a fourth annular empty area 44 is disposed in the first annular empty area 41, the first annular empty area 41 is connected to two empty portions 9a, 9b, and the empty portions 9a, 9b are each connected with The second empty regions 32a and 32b are connected, wherein the first annular empty region 41 and the fourth annular empty region 44 are adjustable high-frequency impedance matching. A fifth annular empty region 45 is disposed in the second annular empty region 42. The second annular empty region 42 is provided with an empty portion 9c. The empty portion 9c is connected to a second empty region 32c. The second annular empty region 42 extends to a sixth annular empty region 46. The empty region 42 and the fifth annular empty region 45 are adjustable high-frequency impedance matching. A third empty area 33 is disposed in the empty area 43. The third annular empty area 43 is provided with an empty portion 9d. The empty portion 9d is connected to a second empty area 32d, and the second empty area 32 is connected to the third empty area. Zone 33 is available for high frequency radiation, of which third The ring-shaped empty region 43 is capable of adjusting high-frequency impedance matching. The first radiating body 21 is connected to the first side 711 of the first isolated empty region 71, and the first side 711 of the first isolated empty region 71 is connected to two of them. An empty area 31a and 31b are connected, and the feeding point 61 is provided between the two first empty areas 31 and connected to the first isolated empty area 71, where the first isolated empty area 71 is a high and low frequency isolation. Empty area.

The second radiation body 22 is provided with a plurality of fourth empty regions 34, a fifth empty region 35, a plurality of sixth empty regions 36, a first matching region 101, a second matching region 102, a first empty segment 51, a first Second empty segment 52, multiple third empty segments 53, fourth empty segment 54, fifth empty segment 55, first high-frequency path 81, second high-frequency path 82, second isolated empty region 72, third isolated empty The region 73 is connected to the ground terminal 62, and the plurality of fourth empty regions 34 are used for adjusting low-frequency impedance matching. The second radiation body 22 is connected to the second side 712 of the first isolated empty region 71. The ground terminal 62, the first high The first high-frequency path 81 and the second high-frequency path 82 are provided with a third side 713 and a fourth side, respectively. 714, the third side 713 is connected to the third isolated empty region 73, and the fourth side 714 is connected to the second isolated empty region 72, wherein the first high-frequency path 81 and the second high-frequency path 82 are symmetrically curved Folded for high-frequency radiation, where the second isolated empty area 72 and the third isolated empty area 73 are empty areas that isolate high and low frequencies, the The fifth empty region 35 is connected to the first empty segment 51 and the second empty segment 52, respectively. Five of the sixth empty regions 36 in the plurality of sixth empty regions 36 are connected to each other. A third empty section 53 is set, which does not form a closed loop, and two of the six sixth empty sections 36 are connected to the first empty section 51 and the second empty section 52, respectively, and the five sixth empty sections 36 are also formed. One of the two sides is connected to the fourth empty section 54 and the fifth empty section 55, and the fourth empty section 54 and the fifth empty section 55 are respectively connected to a sixth empty section 36, and a fifth empty section 35 is provided with a first A matching region 101 and the fifth empty region 35 are connected to the second matching region 102. The first matching region 101 and the second matching region 102 are high-frequency impedance matching. The combination of the five empty regions 35 and the plurality of sixth empty regions 36 is for adjusting the low frequency.

As shown in the fourth figure, an insulation member 103 may be further provided between the first radiation body 21 and the second radiation body 22 in this creation. The insulation member 103 is provided with two openings 104, and the opening 104 The surroundings surround the feeding point 61 and the ground terminal 62 respectively, so that the feeding point 61 and the ground terminal 62 can be prevented from being short-circuited.

In summary, this creation can generate a low frequency of 698MHz to 960MHz and a high frequency of 1.71GHz to 2.7GHz, as shown in the fifth figure.

With the above settings and single-sided circuit printing in this creation, the area of the substrate can be reduced to form an antenna with a length of about 135.5mm and a width of about 30.47, which can save costs and production time, and still have the same frequency as conventional Width and gain.

Claims (4)

A dipole multi-frequency antenna structure includes: a substrate, the substrate is provided with a first surface, and the first surface is provided with a first radiation body, a second radiation body and a first isolated empty area, and the first isolated empty The first radiation body is provided with a plurality of first empty areas, a plurality of second empty areas, a third empty area, a first annular empty area, and a second annular empty area. A third annular empty area, a fourth annular empty area, a fifth annular empty area, a sixth annular empty area, a plurality of empty portions, and a feeding point, a fourth annular empty area is provided in the first annular empty area The first annular empty area is connected to two empty portions, and each of the empty portions is connected to a second empty area. The second annular empty area is provided with a fifth annular empty area, and the second annular empty area is provided. An empty part is connected next to the second empty area, the second annular empty area extends to a sixth annular empty area, and a third empty area is provided in the third annular empty area. An empty section is provided in the three-ring empty section The empty portion is connected to a second empty area, the first radiation body is connected to the first side of the first isolated empty area, and the first side of the first isolated empty area is connected to two of the first empty areas. The feeding point is located between the two first empty areas and connected to the first isolated empty area; the second radiation body is provided with a plurality of fourth empty areas, a fifth empty area, and a plurality of sixth Empty region, first matching region, second matching region, first empty segment, second empty segment, plural third empty segments, fourth empty segment, fifth empty segment, first high frequency path, second high frequency Path, the second isolated empty region, the third isolated empty region, and a ground terminal, the second radiation body is connected to the second side of the first isolated empty region, the ground terminal, the first high-frequency path and the second high-frequency path, and A second side of the first isolated empty area is arranged next to each other, the first high-frequency path and the second high-frequency path are respectively provided with a third side and a fourth side, the third side is connected to the third isolated empty area, and the first Four sides are connected to the second isolated empty area, and the fifth empty area is respectively connected to the first empty area. The second empty segment is connected to the second empty segment. Among the five sixth empty regions of the plurality of sixth empty segments, two third empty segments are connected to each other to set a third empty segment without forming a closed loop, and Two of the five sixth empty areas are respectively connected to the first empty section and the second empty section, and one of the five sixth empty areas is connected to the fourth empty section and the fifth empty section on both sides, and the fourth empty section is The segment and the fifth empty segment are respectively connected to a sixth empty region. A first matching region is provided in the fifth empty region, and the fifth empty region is connected to the second matching region. The dipole multi-frequency antenna structure according to item 1 of the scope of the patent application, wherein an insulation member is disposed between the first radiation body and the second radiation body. The dipole multi-frequency antenna structure described in item 2 of the patent application scope, wherein the insulation member is provided with two openings. The dipole multi-frequency antenna structure according to item 2 of the scope of patent application, wherein the insulating member is an insulating paint.