CN215644978U - Metal belt type double triangular vibrator UHF active television receiving antenna - Google Patents
Metal belt type double triangular vibrator UHF active television receiving antenna Download PDFInfo
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- CN215644978U CN215644978U CN202120622095.6U CN202120622095U CN215644978U CN 215644978 U CN215644978 U CN 215644978U CN 202120622095 U CN202120622095 U CN 202120622095U CN 215644978 U CN215644978 U CN 215644978U
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Abstract
The utility model relates to the field of signal processing, in particular to a digital television receiving antenna. The metal belt type double-triangular-oscillator active television receiving antenna comprises a plastic upper cover, a plastic lower cover and a signal receiving assembly, wherein the plastic upper cover and the plastic lower cover form a closed cavity, and the signal receiving assembly is arranged in a closed wall body; the plastic lower cover is provided with a positioning groove for fixing the signal receiving component, and the middle part of the plastic lower cover is provided with a positioning screw hole; the signal receiving assembly comprises a double-triangular oscillator, a micro-strip type matching line, a signal amplifier and a radio frequency connector, wherein the double-triangular oscillator is made of a flexible metal material and is arranged in the positioning groove, and the micro-strip type matching line is arranged on the positioning screw hole. The double-triangular vibrator made of the flexible metal material does not need to be bent and processed, is simple to operate and high in flexibility, facilitates production material management, is sealed by forming a sealed cavity through the plastic upper cover and the plastic lower cover, is good in waterproof effect, and is convenient to use under outdoor conditions.
Description
Technical Field
The utility model relates to the field of signal processing, in particular to a digital television receiving antenna.
Background
The inventor of the present invention has applied to the following cases: 20192120535.5, name: the utility model discloses an antenna oscillator is disclosed in the utility model patent of two triangle-shaped broadband UHF digital television signal reception antenna oscillator, including matching circuit board and 2 triangle-shaped oscillators of longitudinal symmetry arrangement on matching circuit board, the triangle-shaped oscillator is the isosceles triangle structure of relative matching circuit board bilateral symmetry, is equipped with the feed point on the matching circuit board, and triangle-shaped oscillator girth equals the length of 1~1.1 UHF470-806MHz central frequency wavelength. The double-triangular antenna element has the impedance characteristic of a broadband, is suitable for impedance matching of UHF470-806MHz frequency band, has small return loss, and thus realizes the purposes of improving the broadband receiving of the digital television and normal demodulation and watching of images. However, this solution has the disadvantage of not being suitable for the manufacture of metal cords or metal bands under outdoor use conditions.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects in the prior art, the utility model provides a double-triangular-oscillator television receiving antenna which is made of a metal belt or a metal flexible wire and fixed through a plastic shell.
The metal belt type double-triangular-oscillator active television receiving antenna comprises a plastic upper cover, a plastic lower cover and a signal receiving assembly, wherein the plastic upper cover and the plastic lower cover form a closed cavity, and the signal receiving assembly is arranged in a closed wall body; the plastic lower cover is provided with a positioning groove for fixing the signal receiving component, and the middle part of the plastic lower cover is provided with a positioning screw hole; the signal receiving assembly comprises a double-triangular oscillator, a micro-strip type matching line, a signal amplifier and a radio frequency connector, wherein the double-triangular oscillator is made of a flexible metal material and is arranged in the positioning groove, and the micro-strip type matching line is arranged on the positioning screw hole. The double-triangular vibrator made of the flexible metal material does not need to be bent and processed, is simple to operate and high in flexibility, facilitates production material management, is sealed by forming a sealed cavity through the plastic upper cover and the plastic lower cover, is good in waterproof effect, and is convenient to use under outdoor conditions.
Preferably, the perimeter of the triangular vibrator in the double triangular vibrators is 1-1.1 times of the central frequency wavelength of UHF470-806 MHz. The UHF470-806MHz frequency television signal receiving effect is good, and the use is convenient.
Preferably, the positioning groove is of a discontinuous structure. Light weight, suitability for flexible metal materials with different lengths and strong adaptability.
Preferably, the double-triangular oscillator is an isosceles triangle. Preferably, the base angle of the isosceles triangle is 45-60 degrees. The base angle of the isosceles triangle is adjusted according to the required impedance, and the operation is flexible.
Preferably, the signal amplifier is a low noise small signal amplifier. The signal receiving effect is good, and the use is convenient.
Preferably, the flexible metal material is a metal tape or a metal cord. Preferably, the metal material is copper or aluminum. Low cost and convenient processing.
The utility model has the beneficial effects that: the double-triangular vibrator made of the metal belt or the metal flexible wire is fixed in the plastic shell, is stable and does not deform, and meets the use condition of the outdoor; the double-triangular vibrator made of the metal belt or the metal flexible wire is beneficial to production, molding and processing so as to achieve the benefit of reducing the processing cost. The whole antenna structure is packaged in the plastic shell, so that the antenna is attractive, neat, firm and durable.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a metal strip type double-triangle oscillator active television receiving antenna.
Fig. 2 is a schematic diagram of the internal structure of a metal strip type double-triangle oscillator active television receiving antenna.
Fig. 3 is a schematic diagram of a signal receiving assembly.
The labels in the figure are: 1. the device comprises a double-triangular oscillator, 2 a micro-strip type matching circuit, 3 a signal amplifier, 4 a radio frequency connector, 5 a plastic upper cover, 6 a plastic lower cover, 7 a positioning groove, 8 a signal receiving assembly, 9 a positioning screw hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, but it should not be construed that the scope of the above-described subject matter of the present invention is limited to the above-described embodiments.
As shown in fig. 1-3, a metal strip type double-triangle oscillator active television receiving antenna comprises a plastic upper cover 5, a plastic lower cover 6 and a signal receiving component 8, wherein the plastic upper cover 5 and the plastic lower cover 6 form a closed cavity, and the signal receiving component 8 is installed in a closed wall; a positioning groove 7 for fixing a signal receiving component 8 is arranged on the plastic lower cover 6, and a positioning screw hole 9 is arranged in the middle of the plastic lower cover 6; the signal receiving assembly 8 comprises a double-triangular oscillator 1, a micro-strip type matching line 2, a signal amplifier 3 and a radio frequency connector 4, wherein the double-triangular oscillator 1 is made of a flexible metal material, the micro-strip type matching line 2 is arranged in a positioning groove 7, and the micro-strip type matching line 2 is arranged on a positioning screw hole 9. The double-triangular vibrator made of the flexible metal material does not need to be bent and processed, is simple to operate and high in flexibility, facilitates production material management, is sealed by forming a sealed cavity through the plastic upper cover 5 and the plastic lower cover 6, is good in waterproof effect, and is convenient to use under outdoor conditions.
Preferably, the perimeter of the triangular vibrator in the double triangular vibrator 1 is 1-1.1 times of the central frequency wavelength of UHF470-806 MHz. The UHF470-806MHz frequency television signal receiving effect is good, and the use is convenient.
Preferably, the positioning slot 7 has a discontinuous structure. Light weight, suitability for flexible metal materials with different lengths and strong adaptability.
Preferably, the double-triangular vibrator 1 is an isosceles triangle. Preferably, the base angle of the isosceles triangle is 45-60 degrees. The base angle of the isosceles triangle is adjusted according to the required impedance, and the operation is flexible.
Preferably, the signal amplifier 3 is a low noise small signal amplifier. The signal receiving effect is good, and the use is convenient.
Preferably, the flexible metal material is a metal tape or a metal cord. Preferably, the metal is copper. Low cost and convenient processing.
Microstrip matching lines are known in the art, as identified in application No. 2019212060425, title: the antenna oscillator matching circuit board comprises a circuit substrate and a wiring copper layer arranged on the circuit substrate; walk the copper layer and include signal transmission line and set up the ground transmission line inside signal transmission line, be equipped with first insulating gap between signal transmission line and the ground transmission line, signal transmission line arranges for snakelike, and the transmission line both ends bilateral symmetry is equipped with first balanced end input port and second balanced end input port, and the transmission line widens gradually from first balanced end input port to second balanced end input port line width, and signal transmission line length is 12~13 cm.
Television signals are received by the double triangular vibrators 1 and transmitted to the microstrip type matching circuit 2, and then are output by the low-noise small-signal amplifier 3 through the radio-frequency signal connector 4.
Claims (8)
1. A metal belt type double-triangular-oscillator active television receiving antenna comprises a plastic upper cover, a plastic lower cover and a signal receiving assembly, and is characterized in that the plastic upper cover and the plastic lower cover form a closed cavity, and the signal receiving assembly is installed in a closed wall; the plastic lower cover is provided with a positioning groove for fixing the signal receiving component, and the middle part of the plastic lower cover is provided with a positioning screw hole; the signal receiving assembly comprises a double-triangular oscillator, a micro-strip type matching line, a signal amplifier and a radio frequency connector, wherein the double-triangular oscillator is made of a flexible metal material and is arranged in the positioning groove, and the micro-strip type matching line is arranged on the positioning screw hole.
2. The active television receiving antenna of claim 1, wherein the perimeter of the triangular element in the double triangular element is 1 to 1.1 times of the central frequency wavelength of UHF470-806 MHz.
3. The active TV antenna with metal strip type double triangular elements according to claim 1, wherein the positioning slot has a discontinuous structure.
4. The active TV antenna of claim 1, wherein the double triangular elements are isosceles triangles.
5. The active TV antenna of claim 4, wherein the base angle of the isosceles triangle is 45-60 °.
6. The active television antenna of claim 1, wherein the signal amplifier is a low noise small signal amplifier.
7. The active television antenna of claim 1, wherein the flexible metal material is a metal tape or a metal cord.
8. The active television receiving antenna with metal strip type double triangular elements as claimed in claim 1, wherein the metal material is copper or aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622095.6U CN215644978U (en) | 2021-03-28 | 2021-03-28 | Metal belt type double triangular vibrator UHF active television receiving antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120622095.6U CN215644978U (en) | 2021-03-28 | 2021-03-28 | Metal belt type double triangular vibrator UHF active television receiving antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215644978U true CN215644978U (en) | 2022-01-25 |
Family
ID=79914028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120622095.6U Active CN215644978U (en) | 2021-03-28 | 2021-03-28 | Metal belt type double triangular vibrator UHF active television receiving antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215644978U (en) |
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2021
- 2021-03-28 CN CN202120622095.6U patent/CN215644978U/en active Active
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