CN210040538U - Novel indoor and outdoor digital television antenna - Google Patents
Novel indoor and outdoor digital television antenna Download PDFInfo
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- CN210040538U CN210040538U CN201921351252.3U CN201921351252U CN210040538U CN 210040538 U CN210040538 U CN 210040538U CN 201921351252 U CN201921351252 U CN 201921351252U CN 210040538 U CN210040538 U CN 210040538U
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Abstract
The utility model discloses a novel indoor and outdoor digital television antenna, which comprises a first radiation piece, a second radiation piece, a third radiation piece and a PCB, wherein the PCB is vertically arranged, the first radiation piece is positioned at the first side of the top of the PCB, the second radiation piece is positioned in the middle of the top of the PCB, the third radiation piece is positioned at the second side of the top of the PCB, and the PCB is fixed between a first shell and a second shell; wherein, the second radiation piece is gradually narrowed from top to bottom. The utility model discloses a set up three radiation pieces on PCB, and adjust the distance between each radiation piece, make the shape of second radiation piece present the gradual change triangle-shaped structure wide from top to bottom narrow, improve the performance of antenna; or 4 radiation pieces are arranged on the PCB, and the distance between the radiation pieces is adjusted, so that one side of the second radiation piece is inclined, the other side of the second radiation piece is a folding vertical surface, the performance of the antenna is improved, the volume of the whole antenna is small, the shell structure is simple, the shell is attractive and elegant, and the antenna is suitable for being used indoors and outdoors.
Description
Technical Field
The utility model relates to an antenna field especially relates to a novel indoor outer digital television antenna.
Background
In the prior art, the existing indoor antenna is simple in connection and convenient to use, but sometimes signals are weak, the indoor antenna is difficult to receive, and the indoor antenna is required to be placed outdoors to receive the signals. The traditional outdoor antenna is placed indoors, so that the appearance is influenced and is not harmonious. In order to solve the contradiction, a high-gain digital television antenna which can receive signals indoors and outdoors when the signals are weak needs to be developed, has small volume and does not influence the attractiveness when used indoors.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the novel indoor and outdoor digital television antenna has small volume and strong received signal, and can receive signals indoors and outdoors.
The technical scheme of the utility model as follows: a novel indoor and outdoor digital television antenna comprises a shell, wherein the shell comprises a first shell and a second shell, the first shell is connected with the second shell in a clamping mode, the novel indoor and outdoor digital television antenna also comprises a first radiating sheet, a second radiating sheet, a third radiating sheet and a PCB, the PCB is vertically arranged, the first radiating sheet is positioned on a first side of the top of the PCB, the second radiating sheet is positioned in the middle of the top of the PCB, the third radiating sheet is positioned on a second side of the top of the PCB, and the PCB is fixed between the first shell and the second shell; wherein, the second radiation piece narrows gradually from top to bottom.
By adopting the technical scheme, in the novel indoor and outdoor digital television antenna, the heights of the first radiating sheet and the third radiating sheet are the same, the second radiating sheet is higher than the first radiating sheet and the third radiating sheet, and the distance between the first radiating sheet, the second radiating sheet and the third radiating sheet is adjustable.
By adopting the technical scheme, in the novel indoor and outdoor digital television antenna, the first side and the second side of the second radiating sheet are respectively provided with an inclined plane.
By adopting the technical scheme, the novel indoor and outdoor digital television antenna further comprises a fourth radiation sheet, wherein the fourth radiation sheet is positioned on the second side of the top of the PCB, the third radiation sheet is positioned between the second radiation sheet and the fourth radiation sheet, and the distance between the first radiation sheet, the second radiation sheet, the third radiation sheet and the fourth radiation sheet is adjustable.
By adopting the technical scheme, in the novel indoor and outdoor digital television antenna, the first radiation piece is higher than the second radiation piece, the second radiation piece is higher than the third radiation piece, and the fourth radiation piece is higher than the second radiation piece and is shorter than the first radiation piece.
By adopting the technical scheme, in the novel indoor and outdoor digital television antenna, the first side of the second radiating sheet is an inclined plane, and the second side of the second radiating sheet is a folded vertical plane.
By adopting the technical scheme, in the novel indoor and outdoor digital television antenna, the first shell or the second shell is provided with the step, and the step is provided with the wire binding groove and the wire binding hole.
By adopting the technical proposal, the utility model discloses a set up three radiation pieces on PCB to adjust the distance between each radiation piece, make the shape of second radiation piece present the gradual change triangle-shaped structure of wide top down narrow, improve the performance of antenna; or 4 radiation pieces are arranged on the PCB, and the distance between the radiation pieces is adjusted, so that one side of the second radiation piece is inclined, the other side of the second radiation piece is a folding vertical surface, the performance of the antenna is improved, the volume of the whole antenna is small, the shell structure is simple, the shell is attractive and elegant, and the antenna is suitable for being used indoors and outdoors.
Drawings
Fig. 1 is a schematic diagram of an explosion structure of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of each radiation sheet and PCB according to embodiment 1 of the present invention;
fig. 3 is an exploded view of embodiment 2 of the present invention;
fig. 4 is a schematic structural view of each radiation plate and PCB according to embodiment 2 of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
The embodiment provides a novel indoor and outdoor digital television antenna, which comprises a shell, wherein the shell comprises a first shell 12 and a second shell 11, the first shell 12 is connected with the second shell 11 in a clamping manner, the novel indoor and outdoor digital television antenna further comprises a first radiation piece 2, a second radiation piece 3, a third radiation piece 4 and a PCB5, the PCB5 is vertically arranged, the first radiation piece 2 is positioned on a first side of the top of the PCB5, the second radiation piece 3 is positioned in the middle of the top of the PCB5, the third radiation piece 4 is positioned on a second side of the top of the PCB5, and the PCB5 is fixed between the first shell 12 and the second shell 11; wherein, the second radiation piece 3 is gradually narrowed from top to bottom.
As shown in fig. 1 and fig. 2, in this embodiment, the first radiation plate 2, the second radiation plate 3, and the third radiation plate 4 are responsible for receiving UHF-band signals, the second radiation plate 3 is gradually narrowed from top to bottom, the first side and the second side of the second radiation plate 3 are respectively inclined surfaces, that is, the second radiation plate 3 is a gradually-changing triangular structure with a wide top and a narrow bottom, and the second radiation plate 3 is arranged in this way, so that the receiving bandwidth of the whole antenna can be improved. Certainly, the present embodiment further includes an output line 6, where the output line 6 is located at the bottom of the housing and connected to the PCB5, and the output line 6 outputs the UHF-band signal received by each radiating patch to an external device.
Preferably, the first radiation piece 2 and the third radiation piece 4 have the same height, the second radiation piece 3 is higher than the first radiation piece 2 and the third radiation piece 4, and the distance between the first radiation piece 2, the second radiation piece 3 and the third radiation piece 4 is adjustable.
Referring to fig. 1 and 2, in the present embodiment, the first radiation plate 2, the third radiation plate 4 and the PCB5 form a radiation ground, so that the standing wave of the antenna in the whole UHF frequency band is less than 2.0, and the gain of the antenna reaches 2.5 Dbi. Meanwhile, the distance among the first radiation piece 2, the second radiation piece 3 and the third radiation piece 4 is adjustable, and the distance among the first radiation piece 2, the second radiation piece 3 and the third radiation piece 4 is correspondingly adjusted according to the impedance characteristic of the antenna, so that the impedance bandwidth of the antenna is improved.
Preferably, a step 121 is arranged on the first shell 12 or the second shell 11, and a binding wire slot and a binding wire hole are opened on the step 121.
As shown in fig. 1, in order to ensure that the antenna can be used both indoors and outdoors or not only on a desktop, a step 121 is disposed on the first shell 12 or the second shell 11, a binding wire slot (not shown) and a binding wire hole 1211 are disposed on the step 121, and the whole shell of the antenna is fixed on a wall or an eave through the binding wire slot and the binding wire hole 1211 on the step 121, so as to expand the use scene of the antenna.
Example 2
The embodiment provides a novel indoor and outdoor digital television antenna, which comprises a shell, wherein the shell comprises a first shell 12 and a second shell 11, the first shell 12 is connected with the second shell 11 in a clamping manner, the novel indoor and outdoor digital television antenna further comprises a first radiation piece 2, a second radiation piece 3, a third radiation piece 4, a fourth radiation piece 7 and a PCB5, the PCB5 is vertically arranged, the first radiation piece 2 is positioned on a first side of the top of the PCB5, the second radiation piece 3 is positioned in the middle of the top of the PCB5, the third radiation piece 4 is positioned on a second side of the top of the PCB5, the fourth radiation piece 7 is positioned on a second side of the top of the PCB5, the third radiation piece 4 is positioned between the second radiation piece 3 and the fourth radiation piece 7, and the PCB5 is fixed between the first shell 12 and the second shell 11; wherein, the second radiation piece 3 is gradually narrowed from top to bottom.
As shown in fig. 3 and 4, in this embodiment, the first radiation plate 2, the second radiation plate 3, the third radiation plate 4, and the fourth radiation plate 7 are responsible for receiving UHF-band signals, the second radiation plate 3 is gradually narrowed from top to bottom, the first side of the second radiation plate 3 is an inclined surface, the second side of the second radiation plate 3 is a zigzag vertical surface, and the second radiation plate 3 is arranged in this way, so that the receiving bandwidth of the whole antenna can be improved. Certainly, the present embodiment further includes an output line 6, where the output line 6 is located at the bottom of the housing and connected to the PCB5, and the output line 6 outputs the UHF-band signal received by each radiating patch to an external device.
Preferably, the distance between the first radiation piece 2, the second radiation piece 3, the third radiation piece 4 and the fourth radiation piece 7 is adjustable, the first radiation piece 2 is higher than the second radiation piece 3, the second radiation piece 3 is higher than the third radiation piece 4, and the fourth radiation piece 7 is higher than the second radiation piece 3 and shorter than the first radiation piece 2.
Referring to fig. 3 and 4, in this embodiment, the first radiation plate 2, the third radiation plate 4 and the PCB5 form a radiation ground, and the distance between the fourth radiation plate 7 and the PCB5 is adjusted to keep a certain gap between the fourth radiation plate 7 and the PCB5, so that the standing wave of the antenna in the whole UHF frequency band is less than 2.0, and the gain of the antenna reaches 3.5 Dbi. Meanwhile, the distances among the first radiation piece 2, the second radiation piece 3, the third radiation piece 4 and the fourth radiation piece 7 are adjustable, and the distances among the first radiation piece 2, the second radiation piece 3, the third radiation piece 4 and the fourth radiation piece 7 are correspondingly adjusted according to the impedance characteristics of the antenna, so that the impedance bandwidth of the antenna is improved.
Preferably, a step 121 is arranged on the first shell 12 or the second shell 11, and a binding wire slot and a binding wire hole are opened on the step 121.
As shown in fig. 3, in order to ensure that the antenna can be used both indoors and outdoors or not only on a desktop, a step 121 is disposed on the first shell 12 or the second shell 11, a binding wire groove and a binding wire hole are disposed on the step 121, and the whole shell of the antenna is fixed on a wall or an eave through the binding wire groove (not shown) and the binding wire hole 1211 on the step 121, so as to expand the use scene of the antenna.
By adopting the above technical solutions, the utility model discloses a set up three radiation pieces on PCB5, and adjust the distance between each radiation piece, make the shape of second radiation piece 3 be the gradual change triangle-shaped structure of wide top down narrow, improve the performance of antenna; or 4 radiation pieces are arranged on the PCB5, and the distance between the radiation pieces is adjusted, so that one side of the shape of the second radiation piece 3 is inclined, the other side of the shape of the second radiation piece is a folding vertical surface, the performance of the antenna is improved, the volume of the whole antenna is small, the structure of the shell is simple, the shell is attractive and elegant, and the antenna is suitable for being used indoors and outdoors.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a novel indoor outer digital television antenna, includes the casing, the casing includes first casing, second casing, first casing is connected its characterized in that with second casing block: the PCB is vertically arranged, the first radiating sheet is positioned on the first side of the top of the PCB, the second radiating sheet is positioned in the middle of the top of the PCB, the third radiating sheet is positioned on the second side of the top of the PCB, and the PCB is fixed between the first shell and the second shell; wherein, the second radiation piece narrows gradually from top to bottom.
2. The novel indoor and outdoor digital television antenna as claimed in claim 1, wherein: the height of the first radiation piece is the same as that of the third radiation piece, the second radiation piece is higher than the first radiation piece and the third radiation piece, and the distance between the first radiation piece, the second radiation piece and the third radiation piece is adjustable.
3. The novel indoor and outdoor digital television antenna as claimed in claim 2, wherein: the first side and the second side of the second radiation piece are respectively inclined planes.
4. The novel indoor and outdoor digital television antenna as claimed in claim 1, wherein: still include the fourth radiation piece, the fourth radiation piece is located PCB top second side, the third radiation piece is located between second radiation piece and the fourth radiation piece, distance between first radiation piece, second radiation piece, third radiation piece, the fourth radiation piece is adjustable setting.
5. The novel indoor and outdoor digital television antenna as claimed in claim 4, wherein: the first radiation piece is higher than the second radiation piece, the second radiation piece is higher than the third radiation piece, and the fourth radiation piece is higher than the second radiation piece and lower than the first radiation piece.
6. The novel indoor and outdoor digital television antenna as claimed in claim 5, wherein: the first side of the second radiation piece is an inclined plane, and the second side of the second radiation piece is a folded vertical plane.
7. The novel indoor and outdoor digital television antenna as claimed in any one of claims 1 to 6, wherein: the first shell or the second shell is provided with a step, and the step is provided with a wire binding groove and a wire binding hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351252.3U CN210040538U (en) | 2019-08-15 | 2019-08-15 | Novel indoor and outdoor digital television antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921351252.3U CN210040538U (en) | 2019-08-15 | 2019-08-15 | Novel indoor and outdoor digital television antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210040538U true CN210040538U (en) | 2020-02-07 |
Family
ID=69351257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921351252.3U Active CN210040538U (en) | 2019-08-15 | 2019-08-15 | Novel indoor and outdoor digital television antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210040538U (en) |
-
2019
- 2019-08-15 CN CN201921351252.3U patent/CN210040538U/en active Active
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