CN216872248U

CN216872248U - Miniaturized broadband oscillator

Info

Publication number: CN216872248U
Application number: CN202220587617.8U
Authority: CN
Inventors: 李忠军; 周洲; 范金华; 成天龙; 邓介有
Original assignee: Guangdong Shangzhuo Communication Technology Co ltd
Current assignee: Guangdong Shangzhuo Communication Technology Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-07-01
Anticipated expiration: 2032-03-17

Abstract

The utility model relates to the technical field of microwave communication, in particular to a miniaturized broadband oscillator. The radiating plate comprises a vibrator balun and radiating plates extending towards two sides along the top end of the vibrator balun respectively, wherein a through groove is formed in each radiating plate, a feed sheet is arranged on one radiating plate, a first cable hole is formed in each feed sheet, and a second cable hole corresponding to the first cable hole is formed in the other radiating plate. The utility model has unique structural design, realizes the bandwidth expansion of the low-frequency oscillator, and the bandwidth can be expanded to 700 MHz-960 MHz, thereby expanding the application range of the antenna. In addition, adopt aluminum sheet punching press integrated into one piece, with low costs, reduced the overall cost of antenna, the bending structure is designed into to the radiation plate both sides, has reduced the volume of oscillator, has reduced occupation space, and the fixing base of oscillator balun is the triangle-shaped structure, has improved the stability can of oscillator.

Description

Miniaturized broadband oscillator

Technical Field

The utility model relates to the technical field of microwave communication, in particular to a miniaturized broadband oscillator.

Background

At present, the frequency band of most single-polarized low-frequency oscillators in the market is 800 MHz-960 MHz, and the frequency band can only meet the service requirements of mobile, Unicom and telecommunication. However, with the expansion of communication networks and the requirement of increasing frequency utilization, how to expand the bandwidth to 700MHz to 960MHz becomes a difficult problem that needs to be solved by those skilled in the art. At present, the bandwidth of 700MHz is realized by adopting a zinc alloy die-cast vibrator with larger size, but the cost is high and the cost is not economical.

The main technical problems to be solved by the utility model are as follows: how to expand the bandwidth to 700MHz to 960MHz with low cost.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a miniaturized broadband oscillator which has a simple structure, a small volume and low cost and can expand the bandwidth to 700 MHz-960 MHz.

The technical scheme adopted by the utility model is as follows: the utility model provides a miniaturized wide band oscillator, includes oscillator balun, follows the radiating plate that the top of oscillator balun extended to both sides respectively, be provided with logical groove on the radiating plate, be provided with the feed piece on one of them radiating plate, be provided with first cable hole on the feed piece, be provided with the second cable hole that corresponds with first cable hole on another radiating plate.

The free end of the radiation plate is of a downward bending structure, and the radiation plate and the oscillator balun form a T-shaped structure.

The free end of the radiation plate is provided with an open slot.

And a gap adjusting hole is formed in the oscillator balun.

The fixing seat of the oscillator balun is of a geometric structure, and a plurality of fixing connecting holes are formed in the bottom edge of the fixing seat.

The fixing seat of the oscillator balun is of a triangular structure.

The oscillator balun, the radiation plate and the feed piece are of an aluminum plate integrated structure.

And the downward bending structure of the free end of the radiation plate is vertical to the radiation plate.

The feed sheet is of an upward bent 7-shaped structure and is positioned right above the other radiation plate.

The utility model has the beneficial effects that: the utility model has unique design, simple structure and small volume, realizes the bandwidth expansion of the low-frequency oscillator, and the bandwidth can be expanded to 700 MHz-960 MHz, thereby expanding the application range of the antenna. In addition, adopt aluminum sheet punching press integrated into one piece, with low costs, reduced the overall cost of antenna, the bending structure is designed into to the radiation plate both sides, has reduced the volume of oscillator, has reduced occupation space, and the fixing base of oscillator balun is the triangle-shaped structure, has improved the stability can of oscillator.

Drawings

FIG. 1 is a schematic structural view of the present invention;

the reference numbers and names in the figures correspond to the following:

the antenna comprises a radiation plate 1, a through groove 2, a downward bending structure 3, an open groove 4, a gap adjusting hole 5, a vibrator balun 6, a fixed seat 7, a fixed connecting hole 8, a gap 9, a second cable hole 10, a first cable hole 11 and a feed piece 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a miniaturized broadband oscillator includes an oscillator balun 6 and radiation plates 1 extending from the top end of the oscillator balun 6 to two sides, wherein the radiation plates 1 are provided with through slots 2, one of the radiation plates is provided with a feed tab 12, the feed tab 12 is provided with a first cable hole 11, and the other radiation plate is provided with a second cable hole 10 corresponding to the first cable hole 11. The arrangement of the through grooves 2 effectively increases current paths, so that the bandwidth is effectively expanded.

In order to reduce the occupied space of the oscillator, the free end of the radiation plate 1 is of a downward bending structure 3, and the radiation plate 1 and the oscillator balun 6 form a T-shaped structure.

In order to further expand the bandwidth, the free end of the radiation plate 1 is provided with an open slot 4.

And the oscillator balun 6 is provided with a gap adjusting hole 5 for adjusting a gap 9 of the stable oscillator balun 6.

The fixing seat 7 of the oscillator balun 6 is in a geometric structure, such as a triangle, a quadrangle and the like, but not limited to a triangle and a quadrangle, the bottom edge of the fixing seat is provided with a plurality of fixing connecting holes 8, and the fixing seat 7 and the reflecting plate can be connected and fixed through the fixing connecting holes 8 by adopting connecting pieces.

In order to ensure better stability, the fixed seat 7 of the oscillator balun 6 is of a triangular structure.

In order to optimize stability, the fixed seat 7 of the oscillator balun 6 is in an equilateral triangle structure.

In order to reduce the cost, the oscillator balun 6, the radiation plate 1 and the feed tab 12 are of an aluminum plate integrally-molded structure. Preferably, the aluminum plate is 1.5mm thick and is formed by stamping through a stamping process.

The downward bent structure of the free end of the radiation plate 1 is perpendicular to the radiation plate, but may be at other angles, and is not limited to perpendicular.

The feeding sheet 12 is of an upward bent 7-shaped structure and is positioned right above the other radiation plate.

The distance between two longitudinal plates of the oscillator balun 6 is 2-6 mm, and preferably 4 mm.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a miniaturized wide band oscillator, its characterized in that includes oscillator balun (6), respectively along radiating plate (1) of the top of oscillator balun (6) to both sides extension, be provided with logical groove (2) on radiating plate (1), be provided with feed piece (12) on one of them radiating plate, be provided with first cable hole (11) on feed piece (12), be provided with second cable hole (10) that correspond with first cable hole (11) on another radiating plate.

2. The miniaturized broadband oscillator of claim 1, wherein the free end of the radiating plate (1) is of a downward bending structure (3), and the radiating plate (1) and the oscillator balun (6) form a T-shaped structure.

3. A miniaturized broadband oscillator according to claim 1 or 2, characterized in that the free end of the radiating plate (1) is provided with an open slot (4).

4. The miniaturized broadband oscillator of claim 3, wherein a gap adjusting hole (5) is formed in the oscillator balun (6).

5. The miniaturized broadband oscillator according to claim 4, wherein the fixed base (7) of the oscillator balun (6) is a geometric structure, and a plurality of fixed connection holes (8) are formed in the bottom edge of the fixed base.

6. The miniaturized broadband oscillator of claim 5, wherein the fixed base (7) of the oscillator balun (6) is of a triangular structure.

7. The miniaturized broadband oscillator of claim 6, wherein the oscillator balun (6), the radiation plate (1) and the feed tab (12) are of an aluminum plate integrally molded structure.

8. The broadband miniaturized oscillator of claim 7, wherein the downward bending structure of the free end of the radiation plate (1) is perpendicular to the radiation plate.

9. The broadband miniaturized dipole of claim 8, wherein said feeding sheet (12) is of an upwardly bent 7-shaped structure and is located right above another radiating plate.