CN204391253U - Novel DTV digital TV antenna - Google Patents
Novel DTV digital TV antenna Download PDFInfo
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- CN204391253U CN204391253U CN201520082947.1U CN201520082947U CN204391253U CN 204391253 U CN204391253 U CN 204391253U CN 201520082947 U CN201520082947 U CN 201520082947U CN 204391253 U CN204391253 U CN 204391253U
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Abstract
The utility model proposes a kind of novel DTV digital TV antenna, it is characterized in that: comprise a PCB substrate, the front of this PCB substrate is provided with a pair " L " type oscillator relatively, described " L " type oscillator comprises oscillator arms and the feedback pin perpendicular with oscillator arms, two " L " type oscillators are symmetrical along the axis A in PCB substrate front, and the feeder line of antenna is electrically connected to described oscillator arms; The front of described PCB substrate is etched with some metal routings, and described metal routing is symmetrical relative to axis A, and the oscillator arms of the track of metal routing and described " L " type oscillator is roughly in enclosing shape.The utility model object is to remove restriction to antenna disposing way in limit, promotes antenna flexibility in use and reception quality.
Description
Technical field
The utility model belongs to wireless communication technique field, is specifically related to a kind of novel DTV digital TV antenna.
Background technology
Along with the progress of science and technology, the propagation of digital television signal is gradually transferred to wireless mechanics of communication from wired mechanics of communication, make Digital Television can be used in open air and middle reception of advancing, need not be confined to indoor and watch, the good and the bad of now reception quality is the link that user payes attention to most.
The transmitting of general digital television signal is divided into horizontal polarization and perpendicular polarization two kinds of modes, therefore require that digital TV antenna corresponding can carry out the Signal reception of horizontal polarization and perpendicular polarization, but, existing digital TV antenna or be flagpole antenna, or be the element antenna of simple symmetric, when receiving digital television signal can only by change antenna installation site, towards etc. come adaptation level polarization or perpendicular polarization signal, therefore the installation site of antenna, angles etc. are all subject to larger restriction, and affect reception quality.
Utility model content
In view of problem mentioned in background technology, the utility model proposes a kind of novel DTV digital TV antenna, object is to remove restriction to antenna disposing way in limit, promotes antenna flexibility in use and reception quality.
The technical solution of the utility model is as follows:
A kind of novel DTV digital TV antenna, comprise a PCB substrate, the front of this PCB substrate is provided with a pair " L " type oscillator relatively, described " L " type oscillator comprises oscillator arms and the feedback pin perpendicular with oscillator arms, two " L " type oscillators are symmetrical along the axis A in PCB substrate front, and the feeder line of antenna is electrically connected to described oscillator arms; The front of described PCB substrate is etched with some metal routings, and described metal routing is symmetrical relative to axis A, and the oscillator arms of the track of metal routing and described " L " type oscillator is roughly in enclosing shape.
In such scheme, form electrical coupling between " parabola " shape cabling on two " L " shape oscillators and pcb board, make antenna can produce resonance in required frequency range, realize the reception of all frequency bands antenna signal.
In the middle of one or more embodiments of utility model, described metal routing includes the first metal routing, its track is in " parabola " shape being axle with described axis A, and the track of this " parabola " shape has opening upward, and track tail end approaches the oscillator arms of axis A both sides respectively.
In the middle of one or more embodiments of utility model, described metal routing also includes the second metal routing, its track, in " parabola " shape that is axle with described axis A, the track of " parabola " shape should have opening down, and shape is as the track opening of the first metal routing as described in being covered on.
In such scheme, " L " shape oscillator and jointly enclose with " parabola " shape cabling and define nearly Circular test, make the signal code trend received also become Circular test, correspondingly form the electromagnetic radiation field of spherical shape, realize the omnidirectional antenna that arbitrarily angledly can receive signal.
In the middle of one or more embodiments of utility model, the feedback pin of at least one " L " type oscillator is hollow tube, present the top of pin or offer with oscillator arms connection the through wires hole passed through for feeder line, described feeder line is penetrated by the bottom of presenting pin, after passing in described through wires hole, be electrically connected to described oscillator arms.
In the middle of one or more embodiments of utility model, described " L " type oscillator is " L " type body of hollow.
In the middle of one or more embodiments of utility model, the end of described oscillator arms slightly exceeds PCB substrate edge.
In the middle of one or more embodiments of utility model, described PCB substrate is rectangular, and its corner is respectively equipped with chamfering, and described oscillator arms is parallel with the top edge of PCB substrate.
Advantageous of the present utility model exists:
1) form mutual coupling between " parabola " shape cabling on two " L " shape oscillators and pcb board, make antenna can produce resonance in required frequency range, realize the reception of all frequency bands antenna signal;
2) " L " shape oscillator and jointly enclose with " parabola " shape cabling and define nearly Circular test, makes the signal code trend received also become Circular test, correspondingly forms the electromagnetic radiation field of spherical shape, realize the omnidirectional antenna that arbitrarily angledly can receive signal.
3) the arbitrary disposing way of antenna all can receive the signal of horizontal and vertical polarization, has both facilitated user to put according to actual installation environment, and can obtain preferably reception quality again.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present utility model.
Fig. 2 is structural representation two of the present utility model.
Embodiment
Following 1-2 by reference to the accompanying drawings, is further described the application's scheme:
A kind of novel DTV digital TV antenna, comprises
The PCB substrate 10 of one rectangular shape, its corner is respectively equipped with chamfering 101;
The front of this PCB substrate 10 is provided with a pair " L " type oscillator 20 relatively, described " L " type oscillator 20 comprises oscillator arms 21 and the feedback pin 22 perpendicular with oscillator arms 21, two " L " type oscillators 20 are symmetrical along the axis A in PCB substrate 10 front, and the feeder line 3 of antenna is electrically connected to described oscillator arms 21;
Electric connection between above-mentioned feeder 3 and oscillator arms 21, can be feeder 3 and is directly connected with oscillator arms 21, or feeder 3 is connected with oscillator arms 21 by feedback pin 22.
The front of described PCB substrate 10 is etched with some metal routings, and described metal routing is symmetrical relative to axis A, and the oscillator arms 21 of the track of metal routing and described " L " type oscillator is roughly in enclosing shape.
Described metal routing includes the first metal routing 41, and its track is in " parabola " shape being axle with described axis A, and the track of this " parabola " shape has opening upward, and track tail end approaches the oscillator arms of axis A both sides respectively.
Described metal routing also includes the second metal routing 42, and its track, in " parabola " shape that is axle with described axis A, the track of " parabola " shape should have opening down, and shape is as the track opening of the first metal routing as described in being covered on.
Described " L " type oscillator 20 is " L " type body of hollow, feedback pin 22 and oscillator arms 21 connection of " L " type oscillator in left side offer the through wires hole 220 passed through for feeder line 3, described feeder line 3 is penetrated by the bottom of feedback pin 22, after passing in described through wires hole 220, be electrically connected to described oscillator arms 21.
Described oscillator arms 21 is parallel with the top edge of PCB substrate 10, and its end slightly exceeds PCB substrate 10 edge.
Above-mentioned preferred implementation should be considered as illustrating of the application's scheme implementation mode, allly to duplicate with the application's scheme, technology that is approximate or that make based on this is deduced, replaces, improvement etc., all should be considered as the protection range of this patent.
Claims (7)
1. a novel DTV digital TV antenna, it is characterized in that: comprise a PCB substrate, the front of this PCB substrate is provided with a pair " L " type oscillator relatively, described " L " type oscillator comprises oscillator arms and the feedback pin perpendicular with oscillator arms, two " L " type oscillators are symmetrical along the axis A in PCB substrate front, and the feeder line of antenna is electrically connected to described oscillator arms; The front of described PCB substrate is etched with some metal routings, and described metal routing is symmetrical relative to axis A, and the oscillator arms of the track of metal routing and described " L " type oscillator is roughly in enclosing shape.
2. novel DTV digital TV antenna according to claim 1, it is characterized in that: described metal routing includes the first metal routing, its track is in " parabola " shape being axle with described axis A, the track of this " parabola " shape has opening upward, and track tail end approaches the oscillator arms of axis A both sides respectively.
3. novel DTV digital TV antenna according to claim 2, it is characterized in that: described metal routing also includes the second metal routing, its track is in " parabola " shape being axle with described axis A, the track of " parabola " shape should have opening down, shape is as the track opening of the first metal routing as described in being covered on.
4. novel DTV digital TV antenna according to claim 3, it is characterized in that: the feedback pin of at least one " L " type oscillator is hollow tube, present the top of pin or offer with oscillator arms connection the through wires hole passed through for feeder line, described feeder line is penetrated by the bottom of presenting pin, after passing in described through wires hole, be electrically connected to described oscillator arms.
5. novel DTV digital TV antenna according to claim 4, is characterized in that: described " L " type oscillator is " L " type body of hollow.
6. the novel DTV digital TV antenna according to claim 1-5 any one, is characterized in that: the end of described oscillator arms slightly exceeds PCB substrate edge.
7. the novel DTV digital TV antenna according to claim 1-5 any one, it is characterized in that: described PCB substrate is rectangular, its corner is respectively equipped with chamfering, and described oscillator arms is parallel with the top edge of PCB substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082947.1U CN204391253U (en) | 2015-02-06 | 2015-02-06 | Novel DTV digital TV antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520082947.1U CN204391253U (en) | 2015-02-06 | 2015-02-06 | Novel DTV digital TV antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204391253U true CN204391253U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520082947.1U Active CN204391253U (en) | 2015-02-06 | 2015-02-06 | Novel DTV digital TV antenna |
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| Country | Link |
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| CN (1) | CN204391253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571859A (en) * | 2021-07-23 | 2021-10-29 | 北京邮电大学 | Microstrip line-microstrip line vertical transition structure based on cavity coupling and application |
-
2015
- 2015-02-06 CN CN201520082947.1U patent/CN204391253U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113571859A (en) * | 2021-07-23 | 2021-10-29 | 北京邮电大学 | Microstrip line-microstrip line vertical transition structure based on cavity coupling and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |