CN218385732U

CN218385732U - Simple antenna

Info

Publication number: CN218385732U
Application number: CN202222378601.9U
Authority: CN
Inventors: 何培坤; 廖新华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-24
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to a simple antenna, the on-line screen storage device comprises a base, base end connection has the director, one side on base upper portion is connected with first oscillator, the opposite side on base upper portion is connected with the second oscillator that sets up with first oscillator interval, still be connected with signal socket on the base, signal socket is equipped with first terminal and second terminal, be equipped with between first oscillator inboard and the first terminal and be connected the first sheetmetal of the two, be equipped with between second oscillator inboard and the second terminal and be connected the second sheetmetal of the two. The utility model is characterized in that: the first metal sheet and the second metal sheet with simpler structures are used for impedance matching of the antenna, a circuit board does not need to be specially manufactured, and manufacturing cost is reduced.

Description

Simple antenna

[ technical field ] A method for producing a semiconductor device

The utility model relates to an antenna technology field specifically is a simple and easy antenna.

[ background of the invention ]

An antenna is one of the components used in a radio device to transmit or receive electromagnetic waves. When watching digital television in suburbs or in rural areas, users often need to equip themselves with television antennas to receive signals transmitted by television stations, further process the received signals, and transmit the processed signals to the digital television, thereby watching television programs on the digital television.

Chinese patent document No. CN202282453U discloses an antenna, which includes a director, an impedance matcher, a reflector and an installation fixing mechanism, which are respectively connected between the front end and the rear end of a longitudinal rod in sequence, a folded vibrator and a signal socket are connected to the impedance matcher, the impedance matcher includes an impedance matching board and an injection molding housing, two first and second mutual inductance lines which are not connected with each other are carved on a copper-clad layer on one side of the impedance matching board, two ends of the first mutual inductance line are provided with vibrator connecting ends and are respectively connected with two ends of the folded vibrator correspondingly, and one end of the first mutual inductance line is also connected with a core wire of the signal socket; the other end of the signal socket is connected with any end of the second mutual inductance wire; the two ends and the middle part of the folded vibrator and the impedance matching plate are all solidified in the injection molding shell. The antenna realizes the wiring impedance by controlling the line width, the line thickness and other factors of the mutual inductance line, thereby completing the impedance matching. However, the impedance matching board of the antenna needs to customize a special circuit board, and the cost is high.

[ Utility model ] content

An object of the present invention is to provide an antenna with low manufacturing cost to solve the above problems.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a simple and easy antenna, includes the base, the base end connection has the director, one side on base upper portion is connected with first oscillator, the opposite side on base upper portion is connected with the second oscillator that sets up with first oscillator interval, still be connected with signal socket on the base, signal socket is equipped with first terminal and second terminal, be equipped with the first sheetmetal of being connected the two between first oscillator inboard and the first terminal, be equipped with the second sheetmetal of being connected the two between the second oscillator inboard and the second terminal.

As a further preferred embodiment of the present invention, the first metal sheet and the second metal sheet are aluminum sheets or copper sheets.

As a further optimization scheme of the utility model, the width of first sheetmetal and second sheetmetal is 6mm-10mm.

As a further optimization scheme of the utility model, the interval A of first sheetmetal and second sheetmetal is 17mm-21mm.

As a further optimization scheme of the utility model, the thickness of first sheetmetal and second sheetmetal is less than 0.5mm.

As a further optimization scheme of the utility model, the first oscillator and the second oscillator are parallel to each other and the distance B is 6mm-10mm.

As the utility model discloses further optimization scheme, first oscillator includes first aluminum pipe and the second aluminum pipe different in size, the second oscillator includes third aluminum pipe and the fourth aluminum pipe different in size, first sheetmetal respectively with first aluminum pipe and second aluminum pipe electric connection, the second sheetmetal respectively with third aluminum pipe and fourth aluminum pipe electric connection.

As a further optimization scheme of the utility model, first aluminum pipe length is 300mm-310mm, second aluminum pipe length is 220mm-230mm, third aluminum pipe length is 300mm-310mm, fourth aluminum pipe length is 220mm-230mm.

Compared with the prior art, the utility model discloses there is following advantage: the first metal sheet and the second metal sheet which are simpler in structure are used for impedance matching of the antenna, a circuit board does not need to be specially manufactured, and manufacturing cost is reduced.

[ description of the drawings ]

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

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

fig. 2 is a second schematic structural diagram of the present invention.

FIG. 3 is a graph of gain versus frequency for impedance matching using a circuit board;

FIG. 4 is a graph of standing wave ratio when impedance matching is performed using a circuit board;

FIG. 5 is one of the Smith charts when impedance matching is performed using the circuit board;

FIG. 6 is a second Smith chart showing impedance matching using the circuit board;

fig. 7 is a graph of gain versus frequency curves provided by an embodiment of the present invention;

fig. 8 is a standing-wave ratio graph provided by the embodiment of the present invention;

fig. 9 is one of smith charts provided by an embodiment of the present invention;

fig. 10 is a second smith chart provided by the embodiment of the present invention;

[ detailed description ] embodiments

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model provides a simple antenna, including base 1, the 1 end-to-end connection of base has director 2, one side on base 1 upper portion is connected with first oscillator 31, the opposite side on base 1 upper portion is connected with the second oscillator 32 with first oscillator 31 interval setting, still be connected with signal socket 4 on the base 1, signal socket 4 is equipped with first terminal 41 and second terminal 42, be equipped with between first oscillator 31 inboard and the first terminal 41 and be connected the first sheetmetal 21 of the two, be equipped with between the second oscillator 32 inboard and the second terminal 42 and be connected the second sheetmetal 22 of the two. The guider 2 is composed of a plurality of transverse rods arranged on a longitudinal rod at intervals, the first metal sheet 21 is connected to the first vibrator 31 through a screw, the second metal sheet 22 is connected to the second vibrator 32 through a screw, and the impedance of the first metal sheet 21 and the impedance of the second metal sheet 22 can be controlled through factors such as materials, width, thickness and distance. The first metal sheet 21 and the second metal sheet 22 with simple structures are used for impedance matching of the antenna, a special circuit board is not needed to be manufactured, and manufacturing cost is reduced.

The first metal sheet 21 and the second metal sheet 22 are aluminum sheets or copper sheets. The aluminum sheet or the copper sheet can not only reach the impedance range required in impedance matching, but also have lower material cost.

The width of the first metal sheet 21 and the width of the second metal sheet 22 are 6mm-10mm, the distance A between the first metal sheet 21 and the second metal sheet 22 is 17mm-21mm, and the thickness of the first metal sheet 21 and the thickness of the second metal sheet 22 are smaller than 0.5mm. The width, the distance and the thickness of the first metal sheet 21 and the second metal sheet 22 are controlled to control the impedance within a proper range, so as to complete the impedance matching of the antenna.

The first vibrator 31 and the second vibrator 32 are parallel to each other, and the distance B is 6-10 mm. By selecting a proper distance between the first vibrator 31 and the second vibrator 32, the first metal sheet 21 and the second metal sheet 22 can be maintained at a corresponding distance, so that the impedance of the first metal sheet 21 and the second metal sheet 22 is in a proper range.

The first vibrator 31 comprises a first aluminum pipe 311 and a second aluminum pipe 312 which are different in length, the second vibrator 32 comprises a third aluminum pipe 321 and a fourth aluminum pipe 322 which are different in length, the first metal sheet 21 is electrically connected with the first aluminum pipe 311 and the second aluminum pipe 312 respectively, and the second metal sheet 22 is electrically connected with the third aluminum pipe 321 and the fourth aluminum pipe 322 respectively. Compared with a vibrator formed by one aluminum pipe, the vibrator has better gain by selecting the first vibrator 31 formed by two aluminum pipes including the first aluminum pipe 311 and the second aluminum pipe 312 and the second vibrator 32 formed by two aluminum pipes including the third aluminum pipe 321 and the fourth aluminum pipe 322.

The length of the first aluminum pipe 311 is 300mm-310mm, the length of the second aluminum pipe 312 is 220mm-230mm, the length of the third aluminum pipe 321 is 300mm-310mm, and the length of the fourth aluminum pipe 322 is 220mm-230mm. By selecting the corresponding appropriate lengths for the first aluminum pipe 311, the second aluminum pipe 312, the third aluminum pipe 321 and the fourth aluminum pipe 322, good signal frequencies can be received.

As shown in fig. 3 to 10, the vector network analyzer performs impedance matching on the antenna by using the circuit board and the metal sheet provided by the embodiment, and performs a test experiment, and according to data result analysis, the impedance matching effect performed by using the metal sheet provided by the embodiment can meet the antenna impedance matching requirement.

Claims

1. A simple antenna is characterized in that: including base (1), base (1) end connection has director (2), one side on base (1) upper portion is connected with first oscillator (31), the opposite side on base (1) upper portion is connected with second oscillator (32) that set up with first oscillator (31) interval, still be connected with signal socket (4) on base (1), signal socket (4) are equipped with first terminal (41) and second terminal (42), be equipped with between first oscillator (31) inboard and first terminal (41) and be connected first sheetmetal (21) of the two, be equipped with between second oscillator (32) inboard and second terminal (42) and connect second sheetmetal (22) of the two.

2. A simplified antenna according to claim 1, characterised in that: the first metal sheet (21) and the second metal sheet (22) are aluminum sheets or copper sheets.

3. A simplified antenna according to claim 2, characterised in that: the width of the first metal sheet (21) and the width of the second metal sheet (22) are 6mm-10mm.

4. A simplified antenna according to claim 3, characterised in that: the distance A between the first metal sheet (21) and the second metal sheet (22) is 17-21 mm.

5. The simple antenna as claimed in claim 4, wherein: the thickness of the first metal sheet (21) and the second metal sheet (22) is less than 0.5mm.

6. The simple antenna as claimed in claim 5, wherein: the first vibrator (31) and the second vibrator (32) are parallel to each other, and the distance B is 6-10 mm.

7. A simplified antenna according to claim 1, characterised in that: the first vibrator (31) comprises a first aluminum pipe (311) and a second aluminum pipe (312) which are different in length, the second vibrator (32) comprises a third aluminum pipe (321) and a fourth aluminum pipe (322) which are different in length, the first metal sheet (21) is electrically connected with the first aluminum pipe (311) and the second aluminum pipe (312) respectively, and the second metal sheet (22) is electrically connected with the third aluminum pipe (321) and the fourth aluminum pipe (322) respectively.

8. The simple antenna as claimed in claim 7, wherein: the length of the first aluminum pipe (311) is 300mm-310mm, the length of the second aluminum pipe (312) is 220mm-230mm, the length of the third aluminum pipe (321) is 300mm-310mm, and the length of the fourth aluminum pipe (322) is 220mm-230mm.