TWI643399B - Dipole antenna vibrator - Google Patents

Abstract

The invention provides a dipole antenna oscillator, which mainly comprises: a power distribution member, which is provided with a plurality of power distribution blocks; a plurality of radiation frames, which are arranged on the circumference side of the power distribution member, and each radiation frame comprises: two couplings of the spacing configuration The arm is divided into an electrical connection end and an adjacent two power distribution block, and the first and second isolation gaps are formed between the two coupling arms, and the electrical connection end to the extension end of the coupling arm correspond to the first isolation The current path formed at the end of the gap is about one quarter, one half wavelength or full wavelength, so that the current path length formed at the end of the second isolation gap is greater than the current path length formed at the end of the first isolation gap; A coupling arm of each of the adjacent two radiating frames is electrically connected to the same power distribution block corresponding to the power distribution member, and is co-constructed to form a radiating member.

Description

Dipole antenna oscillator

The present invention relates to an antenna; and more particularly to an innovative structural type revealer of a dipole antenna element.

In the early days of designing dual-polarized dipole antennas, most of them used two-crossed feed pieces as conductor connection interfaces for feeding into the coaxial line, and adjusted the matching values by using the set length and width of the feed sheets; or There is also a feeding structure in which another section of the conductive frame is connected to the end of the coaxial line as a dipole antenna; in addition to the additional assembly cost and material cost, this design is also due to the assembly process. Unstable and causing electrical differences.

In view of the above problems, the related industries have previously proposed some improvements, for example, the unit radiating frame system at the upper end of the supporting frame body is composed of two coupling arms having an angular arrangement relationship, and between the coupling arms of the radiation frame body. In the interval configuration relationship; however, the dipole antenna vibrator conventional type is still found in practical application experience, because the two coupling arms in the radiating frame of each unit have an angular relationship, after forming, the two coupling arms The surface flatness accuracy is easy to produce the phenomenon of bending deformation deviation. As a result, the corresponding relationship between the coupling arms of the adjacent radiation frame body after assembly is relatively easy to cause excessive deviation and affect the performance. It is worthy of the important technical issues that the relevant industry will consider again.

Therefore, in view of the problems existing in the above-mentioned conventional dipole antenna oscillator technology, how to develop an innovative structure that can be more ideal and practical, and the relevant industry should further consider the goal and direction of breakthrough; in view of this, the invention People have been engaged in the manufacturing development and design experience of related products for many years. After detailed design and careful evaluation of the above objectives, the invention has finally become practical.

The main object of the present invention is to provide a dipole antenna oscillator, and the technical problem to be solved is to think about how to develop a new dipole antenna vibrator with more ideal practicability.

The technical feature of the present invention is mainly to provide that the dipole antenna element comprises: a power distribution component, and a plurality of power distribution blocks spaced apart; and a plurality of radiation frames disposed at intervals on the circumference of the power distribution member The symmetrical configuration type has an angular arrangement relationship between the adjacent two radiating frames, and each of the radiating frames includes: two coupling arms arranged in a spaced relationship, and the two coupling arms are respectively provided with an electrical connecting end respectively The power distribution component is provided with two adjacent power distribution blocks electrically connected, each of the coupling arms has an extended end, and the two coupling arm spacing portions form a first isolation gap and a second isolation gap; and the coupling arm from the same a current path formed by the electrical connection end to the extension end corresponding to the end of the first isolation gap, which is about one quarter wavelength, one half wavelength or all wavelength, so that the current formed at the end of the second isolation gap The path length is greater than the current path formed at the end of the first isolation gap; and each of the adjacent two radiating frames is provided with one of the coupling arms and the corresponding power distribution member The same power distribution block is electrically connected to a common structure forming the radiation member, and its radiation member disposed on another radiation angle member constituting a dipole antenna structure.

The main effects and advantages of the present invention enable the dipole antenna vibrator to be simplified, facilitate mass production, and have better component configuration accuracy, thereby achieving practical progress and better industrial economy for improving the quality and performance of the dipole antenna vibrator. benefit.

Referring to Figures 1, 2 and 3, there is shown a preferred embodiment of the dipole antenna element of the present invention, but the embodiments are for illustrative purposes only and are not limited by this structure.

The dipole antenna element includes a power distribution member 10, a plurality of power distribution blocks 11 spaced apart from each other, and a plurality of radiation frames 20 disposed on the circumferential side of the power distribution member 10 in a space-symmetrical configuration. And the two radiating frames 20 disposed adjacent to each other have an angular relationship (in this case, a 90-degree angular relationship), and each of the radiating frames 20 includes: two coupling arms 21 arranged in a spaced relationship with each other. The two coupling arms 21 are respectively provided with an electrical connection end 213 electrically connected to the two power distribution blocks 11 disposed adjacent to the power distribution component 10, and each of the coupling arms 21 has an extended end 215, and the two A first isolation gap 221 and a second isolation gap 222 are formed in the spacing portion of the coupling arm 21; and wherein the coupling arm 21 is formed from the electrical connection end 213 to the extension end 215 corresponding to the end of the first isolation gap 221 The current path is about one quarter wavelength, one half wavelength or full wavelength, so that the current path length formed at the end of the second isolation gap 222 is greater than the end of the first isolation gap 221 Current path; Each of the two adjacent radiating frames 20 is disposed, and one of the coupling arms 21 is electrically connected to the same power distribution block 11 corresponding to the power distribution member 10, thereby forming a common The radiating member, which in turn forms a dipole antenna structure, with another radiating member disposed diagonally thereto.

As shown in FIGS. 1 to 3, in the present embodiment, each of the radiation frames 20 is formed by a single hollow casing, and the upper and lower sides of the casing wall are formed along the extending direction thereof to form the second isolation gap 222 and a first isolation gap 221, wherein the second isolation gap 222 is a two-end piercing pattern, and the first isolation gap 221 is pierced at one end and a distance is left between the other end and the extended end 215 of the coupling arm 21 A connecting edge portion 23 is formed oppositely.

Wherein, the wall surface of the radiation frame 20 has a circular shape (as shown in Figures 1 and 2), an elliptical shape, a rectangular shape, a triangular shape, a trapezoidal shape, a meander shape, a V shape or a U shape.

Wherein, the cross section of the coupling arm 21 is C-shaped (as shown in Figures 1 and 2), [shape, [shape or ㄥ-bend type).

As shown in FIG. 2, in this example, each side of the power distribution block 11 of the power distribution member 10 is further provided with a two-shaped recessed groove 12 for the coupling arm 21 of the radiation frame 20 corresponding thereto. The electrical connection end 213 is inserted and positioned.

As shown in the first and second figures, in the present example, the power distribution member 10 is provided with four power distribution blocks 11 distributed in a cross direction.

As shown in FIGS. 1 and 2, in this example, the dipole antenna element further includes at least one support frame 30 having an upper end 31 such that the power distribution member 10 is disposed at the upper end 31. The supporting frame body 30 of the present embodiment includes two vertical circuit boards 32 which are staggered and inserted into each other. The power distribution member 10 is provided with a plurality of embedded insertion holes 13 respectively, and the upper ends of the vertical circuit boards 32 are correspondingly provided with inserts. 33 is inserted into the corresponding insertion hole 13 corresponding thereto, and a feeding circuit 34 and a signal balancing circuit 35 are respectively disposed on the side of each of the vertical circuit boards 32, wherein the upper end of the feeding circuit 34 is connected to the support The power distribution block 10 of the upper end 31 of the frame body 30 is electrically connected to the power distribution block 11 corresponding thereto.

According to the above-mentioned structural composition type and technical features, the dipole antenna element disclosed in the present invention mainly adopts the technical features, and each of the radiation frame 20 can be processed by a single metal pipe body member. It can be made, so the components are extremely simple and convenient for mass production; in addition, the interval configuration relationship of the two coupling arms 21 can easily obtain an accurate state with a small ideal error value, so that the final product of the dipole antenna oscillator has better quality. And performance.

The dipole antenna structure of the invention can be applied to the antenna structure of the high and low frequency array, for example, can be applied to the antenna structure of the high and low frequency co-columns, as shown in FIG. 4, for reducing the frequency oscillator. Bad effects of high frequency oscillators. The advantage of the dipole antenna structure design disclosed in the present invention, which is applied to the structure of the dual-frequency array antenna, is further shown in FIG. 7. The present invention is a conventional dual-frequency array as shown by the dotted line in the figure. In terms of antenna structure type, 俾 can improve the shielding problem between high and low frequency oscillators and greatly reduce the current coupling effect.

In addition, as shown in FIG. 5 , in this example, the support frame body 30B includes two vertical tubular bodies 36 spaced apart from each other, and a feed line 37 is respectively disposed in the two vertical direction tubular bodies 36 . The upper end of the feed line 37 is fixedly connected to the bottom of the power distribution member 10, and a crossover portion 38 is disposed at the upper end of the feed line 37 disposed in the two vertical direction pipes 36. The jumper portion 38 of each of the feed lines 37 is electrically connected. The two power distribution blocks 11 arranged at 180 degrees in opposite directions are connected, and the set signal path of the feeder 37 is changed in current to form a balanced signal transmission mode. The balanced signal transmission mode is the effect of the so-called balun device (BALUN). The signal transmission mode represented by the balance means that the round-trip path of the signal is in the form of a pair, and the round-trip signal line has electrical symmetry. In the transmission of high-frequency communication, the conversion between the transmission line is balanced and unbalanced. When the high-frequency signal is transmitted over long distances, the balanced transmission is mostly used because the signal is inevitably encountered due to long-distance transmission. In the case of interference, the signals interfered by the different feeders 37 are the same at this time, so when the terminal is output to the terminal, the reverse signal on the transmission line can be amplified, and the interference signals of the same phase are offset.

In the embodiment disclosed in the above paragraph, the vertical pipe body 36 and the feed line 37 may be replaced by a coaxial cable (Note: the illustration in this example is omitted).

As shown in FIG. 6, in the present example, the power distribution member 10B includes a plurality of electrically conductive sheets 14 spaced apart by the conductive sheets 14 to form the power distribution block 11B; The 30C is a single-body type, and the support frame 30C is provided with a plurality of feed lines 39 spaced apart from each other. The upper ends of the feed lines 39 are electrically connected to different power distribution blocks arranged at 180 degrees in opposite directions. 11B, and each of the different feeders 39 is provided with a bridging section 395 for electrically connecting other power distribution blocks 11B arranged at 180 degrees to each other.

Advantages of the Invention: The "dipole antenna oscillator" disclosed in the present invention is mainly composed of the power distribution member and the coupling arm, and the coupling arm is formed from the electrical connection end to the extension end corresponding to the end of the first isolation gap. The current path is about one quarter wavelength or one half wavelength, so that the current path length formed at the end of the second isolation gap is greater than the current path formed at the end of the first isolation gap; Each of the two radiating frames is provided with one of the coupling arms electrically connected to the same power distribution block corresponding to the power distribution member, thereby co-constructing a radiating member, and the radiating member is configured to radiate another radiation The components constitute an innovative unique structural type and technical features such as a dipole antenna structure, so that the present invention can be processed by a single metal pipe body member according to the conventional structure proposed in the prior art. It can be made, which can achieve simplified components, facilitate mass production and better component configuration accuracy, thus achieving practical improvement in dipole antenna vibrator quality and performance. Industry and better economic benefits.

10, 10B‧‧‧Power distribution components

11, 11B‧‧‧ power distribution block

12‧‧‧Fracture trough

13‧‧‧ embedded jack

14‧‧‧Conductor

20‧‧‧radiation frame

21‧‧‧Coupling arm

213‧‧‧Electrical connection

215‧‧‧Extension

221‧‧‧First isolation gap

222‧‧‧Second isolation gap

23‧‧‧ Connecting edge

30, 30B, 30C‧‧‧ support frame

31‧‧‧ upper end

32‧‧‧Horizontal circuit board

33‧‧‧ inserts

34‧‧‧Feed in circuit

35‧‧‧Signal balance circuit

36‧‧‧Vertical pipe body

37‧‧‧ feeder

38‧‧‧crossing section

39‧‧‧ Feeder

395‧‧‧crossing section

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing the combination of preferred embodiments of the dipole antenna element of the present invention. Fig. 2 is a partially exploded perspective view showing a preferred embodiment of the dipole antenna vibrator of the present invention. Figure 3 is a partial cross-sectional view of a preferred embodiment of a dipole antenna oscillator of the present invention. Fig. 4 is a view showing an application example of one of the dipole antenna elements of the present invention. Fig. 5 is a view showing another embodiment of the configuration of the support frame of the present invention. Figure 6 is a view showing still another embodiment of the power distribution member and the support frame of the present invention. Fig. 7 is a schematic view showing the advantages of the present invention when applied to a dual-frequency array antenna compared to the conventional architecture.

Claims (10)

A dipole antenna element includes: a power distribution member, and a plurality of power distribution blocks spaced apart; a plurality of radiation frames disposed on a circumferential side of the power distribution member in a symmetric configuration, and each adjacent configuration The two radiating racks have an angular arrangement relationship, and each of the radiating racks comprises: two coupling arms arranged in a spaced relationship with each other, and the two coupling arms are respectively provided with an electrical connection end respectively adjacent to the power distribution member. The power distribution block is electrically connected to each other, and each of the coupling arms has an extended end, and a spacing portion of the two coupling arms is formed with a first isolation gap and a second isolation gap; and wherein the coupling arm is electrically powered The current path formed by the sexual connection end to the extension end corresponding to the end of the first isolation gap is about one quarter wavelength, one half wavelength or all wavelength, so that the second isolation gap ends Forming a current path length greater than a current path formed at an end of the first isolation gap; wherein, each of the adjacent two radiating frames, each of which is provided with one of the coupled arm systems and the work The dispensing member provided corresponding thereto in the same power distribution block is electrically connected to a common structure forming the radiation member, should the radiation member thereto further radiation member arranged diagonally constituting a dipole antenna structure. The dipole antenna element according to claim 1, wherein each of the radiation frames is formed by a single hollow casing, and the upper and lower sides of the casing wall are formed along the extending direction thereof to form the second isolation gap. And a first isolation gap, wherein the second isolation gap is a two-end piercing pattern, wherein the first isolation gap is formed by one end piercing and the other end is spaced apart from the extending end of the coupling arm to form a Connect the edge. The dipole antenna element according to claim 2, wherein the frame wall of the radiation frame is circular, elliptical, rectangular, triangular, trapezoidal, meandering, V-shaped or U-shaped. The section of the coupling arm is C-shaped, [shaped, [shaped or ㄥ-shaped curved type. The dipole antenna element according to claim 3, wherein each side of the power distribution block of the power distribution member is further provided with a two-shaped recessed groove for providing electricity corresponding to the radiation frame corresponding thereto. The sexual connector is inserted and positioned. The dipole antenna element of claim 4, wherein the power distribution member surface is provided with four power distribution blocks distributed in a crosswise direction. The dipole antenna element of claim 5, wherein the dipole antenna element further comprises at least one support frame, the support frame having an upper end such that the power distribution member is disposed at the upper end. The dipole antenna element according to claim 6, wherein the support frame system comprises two vertical circuit boards interleaved and positioned with each other, the power distribution member is provided with a plurality of embedded jacks, and each of the vertical circuit boards The upper end is correspondingly provided with a inserting piece for inserting and positioning corresponding to the corresponding insertion hole, and a side of each of the vertical circuit boards is provided with a feeding circuit and a signal balancing circuit, wherein the feeding circuit is connected to the supporting end The power distribution component at the upper end of the frame is electrically connected to the power distribution block corresponding thereto. The dipole antenna element according to claim 6, wherein the support frame system comprises two spaced-ahead tubular bodies, wherein the two vertical tubes are respectively provided with a feed line, and the upper ends of the two vertical tubes are combined. Fixed at the bottom of the power distribution component, and a crossover section is disposed at an upper end of the feed line disposed in the two vertical conduits, and each of the feeders is provided with a jumper section for electrically connecting 180 degrees in opposite directions. The two power distribution blocks, and the set signal path of the feeder has a frequency round-trip change, thereby forming a balanced signal transmission mode. The dipole antenna element of claim 8, wherein the vertical tube body and the feeder line are replaced by a coaxial cable. The dipole antenna element according to claim 6, wherein the power distribution member comprises a plurality of electrically conductive sheets spaced apart by the conductive sheets to form the power distribution block; and the support frame The system is a single body type, and the support frame is provided with a plurality of feed lines spaced apart from each other, and the upper end of each of the feed lines is electrically connected to different power distribution blocks arranged at 180 degrees in opposite directions, and each of the power distribution blocks is disposed. The spanning sections provided by the different feeders are used to electrically connect other power distribution blocks which are arranged at 180 degrees in opposite directions from each other.