CN103096010B - There is connector and the television antenna isolator of signal isolation features - Google Patents
There is connector and the television antenna isolator of signal isolation features Download PDFInfo
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- CN103096010B CN103096010B CN201310009208.5A CN201310009208A CN103096010B CN 103096010 B CN103096010 B CN 103096010B CN 201310009208 A CN201310009208 A CN 201310009208A CN 103096010 B CN103096010 B CN 103096010B
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Abstract
The present invention discloses a kind of television antenna isolator and has the connector of signal isolation features.Described television antenna isolator comprises the first housing, the second housing, external capacitive, the first inner wire, the second inner wire, central capacitive and insulating part.First housing and the second housing are connected with two pole plates of external capacitive respectively and form a cavity with described external capacitive.The inner surface of the exterior surface cavity of insulating part, has container cavity.Central capacitive is positioned at container cavity.First inner wire and the second inner wire are connected to central capacitive and stretch out insulating part.To be connected with the first housing and the second housing due to two pole plates of external capacitive and central capacitive is connected with the first inner wire and the second inner wire, like this, eliminate the corresponding construction of circuit board and fixing circuit board thereof, so, the present invention, on the basis keeping existing television antenna isolator function, has the advantage that volume is little.The connector with signal isolation features also has this advantage.
Description
Technical field
The present invention relates to connector, particularly relate to the connector with signal isolation features, high-frequency signal can be isolated by this connector, also relates to television antenna isolator, and this isolator can prevent interference signal from affecting television picture quality.
Background technology
No. 202364309Uth, Chinese patent Granted publication discloses a kind of television antenna isolator.This television antenna isolator has housing, circuit board, second coaxial slicing ear that can plug the first coaxial slicing ear with the signal input terminal of cable TV and can plug with cable television system signal output terminal; This circuit board is provided with a signal capacitance and six ground wire capacitances; This circuit board is arranged in this housing, and this first coaxial slicing ear and this second coaxial slicing ear are arranged on the sidewall of this housing respectively; On this circuit board, signal capacitance is serially connected between the heart yearn of this first coaxial slicing ear and the heart yearn of this second coaxial slicing ear; On this circuit board, three ground wire capacitances are parallel with one another and be serially connected with on front side of this first coaxial slicing ear screen and between the front side of the screen of this second coaxial slicing ear; On this circuit board, another three ground wire capacitances are parallel with one another and be serially connected with on rear side of this first coaxial slicing ear screen and between the rear side of the screen of this second coaxial slicing ear.Although above-mentioned television antenna isolator can be isolated interference signal, and then, guarantee the image quality of TV, but, owing to need a signal capacitance and six ground wire capacitances to be installed in this television antenna isolator on circuit board and to be arranged at together with circuit board in rectangular housing, like this, make the volume of this television antenna isolator large.
Summary of the invention
The problem that the present invention solves is the bulky problem of existing antenna isolator.
For solving the problem, the invention provides a kind of connector with signal isolation features, this connector comprises the first housing, second housing, external capacitive, first inner wire, second inner wire, central capacitive and insulating part, described first housing and the second housing are connected with two pole plates of described external capacitive and form cavity with external capacitive respectively, described first inner wire and the second inner wire are connected to central capacitive, described insulating part is positioned at described cavity, separate the first housing, second housing and external capacitive and the first inner wire, second inner wire and central capacitive.
Alternatively, the inner surface of the exterior surface cavity of described insulating part, described central capacitive is positioned at insulating part inside, and the first inner wire and the second inner wire stretch out this insulating part.
Alternatively, described external capacitive is annular capacitor.
Alternatively, described cavity is cylindric.
The present invention discloses a kind of television antenna isolator, this television antenna isolator comprises the first housing, the second housing, external capacitive, the first inner wire, the second inner wire, central capacitive and insulating part, described first housing and the second housing are connected with two pole plates of external capacitive respectively and form a cavity with described external capacitive, the inner surface of the exterior surface cavity of described insulating part, this insulating part has container cavity, described central capacitive is positioned at this container cavity, and described first inner wire and the second inner wire are connected to central capacitive and stretch out described insulating part.
Alternatively, described external capacitive is annular capacitor.
Alternatively, the capacitance value range of described external capacitive is 1000 pico farad ~ 4700 pico farads, and the capacitance value range of central capacitive is 2200 pico farad ~ 3300 pico farads.
Alternatively, described first housing and the second housing link into an integrated entity with two pole plates of external capacitive respectively.
Compared with prior art, the present invention has the following advantages:
1, because two pole plates of television antenna isolator external capacitive of the present invention are connected with the first housing and the second housing and central capacitive is connected with the first inner wire and the second inner wire, like this, eliminate the corresponding construction of circuit board and fixing circuit board thereof, on the basis keeping existing television antenna isolator function, there is the advantage that volume is little.The connector with signal isolation features also has this advantage.
2, because the first housing of television antenna isolator of the present invention, the second housing and external capacitive form cavity, like this, the present invention has that antijamming capability is strong, distributed capacitance is little, shield effectiveness is good, frequency response is high and signal transmission leaks minimum advantage.
Accompanying drawing explanation
Fig. 1 is the combination assumption diagram of television antenna isolator of the present invention;
Fig. 2 is the cutaway view of the A-A line along Fig. 1;
Fig. 3 is the exploded view of the television antenna isolator shown in Fig. 1.
Embodiment
By describing technology contents of the present invention, structural feature in detail, reached object and effect, accompanying drawing is coordinated to be described in detail below in conjunction with embodiment.
Refer to Fig. 1 to Fig. 3, television antenna isolator of the present invention comprises the first housing 1, second housing 2, external capacitive 3, first inner wire 4, second inner wire 5, central capacitive 6 and insulating part 7.Described first housing 1 has the first cavity 11.Described second housing 2 has the second cavity 21.Described first housing 1 and the second housing 2 are connected with two pole plates of external capacitive 3 respectively and form cavity with external capacitive 3, this cavity in the present embodiment in cylindric, specifically by a part for the first cavity 11, the perforation 31 of external capacitive 3 and the second cavity 21 with form.In order to form cavity with the first cavity 11 and the second cavity 21, this external capacitive 3 is the annular capacitor of the perforation 31 with relative two surfaces running through this external capacitive 3 in the present embodiment.After forming described cavity, due to the seal of cavity, like this, make that shield effectiveness of the present invention is good, antijamming capability is strong, frequency response is high and signal transmission is revealed little, in addition, because external capacitive 3 is the cavitys with perforation 31, the distributed capacitance of television antenna isolator of the present invention little (distributed constant is little) can also be made.In order to make above-mentioned better effects if, in other embodiments, described first housing 1 and the second housing 2 link into an integrated entity with two pole plates of external capacitive 3 respectively, such as, are linked into an integrated entity by the technique of high temperature sintering and so on.Described first housing 1 and the second housing 2 can be the plugs be connected with television system (antenna or closed-circuit system) output and television signal input respectively, in such cases, this first housing 1 and the second housing 2 are connected with external capacitive 3 and refer to that the screen of plug is connected with external capacitive 3; Only refer to screen in some cases.
Please continue to refer to Fig. 1 to Fig. 3, described first inner wire 4 and the second inner wire 5 are connected to central capacitive 6, and described insulating part 7 separates the first housing 1, second housing 2 and external capacitive 3 and the first inner wire 4, second inner wire 5 and central capacitive 6.In the present embodiment, the inner surface (contacting the second cavity 21 inner surface, the perforation inner surface of 31 and a part of inner surface of the first cavity 11) of the exterior surface cavity of described insulating part 7, has container cavity 71.Described central capacitive 6 is positioned at this container cavity 71, and described first inner wire 4 and the second inner wire 5 are connected to central capacitive 6 and stretch out described insulating part 7.In the present embodiment mode, the first inner wire 4 stretches out insulating part 7 and is positioned at the first cavity 11, the second inner wire 5 and stretches out described insulating part 7 and be positioned at and connect the host cavity 81 of swivel nut 8.First inner wire 4 and the second inner wire 5 are connected with the inner wire (heart yearn) of the inner wire (heart yearn) of TV system signal lead-out terminal (antenna or closed-circuit system) and the signal input terminal of television set in actual use respectively, such as, the second inner wire 5 connects by connecting swivel nut 8.In order to make central capacitive 6 of the present invention and external capacitive 3, there is withstand voltage high characteristic, frequency of utilization can in 5M ~ 2GHz and anti-interference and guarantee sound of television signal and image signal transmission object, the capacitance value range of described central capacitive 6 is, the capacitance value range of central capacitive 6 at the capacitance value range of 2200 pico farad ~ 3300 pico farads and external capacitive 3 at 1000 pico farad ~ 4700 pico farads.
Refer to Fig. 1 to Fig. 3; television antenna isolator of the present invention in actual use; external capacitive 3 and central capacitive 6 all energy isolated DC signal and low frequency signals; guarantee that low frequency signal or direct current signal can not the quality of interfering TV sound and picture; such as; the surge produced during thunderbolt is isolated and guarantees sound and image quality, and, television set and circuit thereof can also be protected.
In sum, television antenna isolator of the present invention is owing to being that two pole plates of external capacitive 3 are with the first housing 1 with the second housing 2 is connected and central capacitive 6 is connected with the first inner wire 4 and the second inner wire 5, like this, eliminate the corresponding construction of circuit board and fixing circuit board thereof, on the basis keeping existing television antenna isolator function, also have that volume is little, antijamming capability is strong, distributed capacitance is little, shield effectiveness is good, frequency response is high and signal transmission leaks minimum advantage.
With the technical thought of above-mentioned television antenna isolator for reference, the present invention discloses a kind of connector with signal isolation features, and this connector comprises the first housing, the second housing, external capacitive, the first inner wire, the second inner wire, central capacitive and insulating part.Described first housing and the second housing are connected with two pole plates of described external capacitive and form cavity with external circuit respectively, and such as, described cavity is cylindric, and described external capacitive is annular capacitor, and the capacitance value range of described annular capacitor is.Described first inner wire and the second inner wire are connected to central capacitive.Described insulating part is positioned at described cavity, separate the first housing, the second housing and external capacitive and the first inner wire, the second inner wire and central capacitive, such as, in a particular embodiment, the inner surface of the exterior surface cavity of described insulating part, described central capacitive is positioned at insulating part inside, and the first inner wire and the second inner wire stretch out this insulating part, and the capacitance value range of central capacitive is.
This connector with signal isolation features can isolated DC signal and low frequency signal, has the advantage of above-mentioned television antenna isolator.
Claims (8)
1. one kind has the connector of signal isolation features, it is characterized in that: this connector comprises the first housing, the second housing, external capacitive, the first inner wire, the second inner wire, central capacitive and insulating part, described first housing and the second housing are connected with two pole plates of described external capacitive and form cavity with external capacitive respectively, described insulating part is positioned at described cavity and separates the first housing, the second housing and external capacitive and the first inner wire, the second inner wire and central capacitive, and described first inner wire and the second inner wire are connected to central capacitive.
2. the connector with signal isolation features according to claim 1, is characterized in that: the inner surface of the exterior surface cavity of described insulating part, and described central capacitive is positioned at insulating part inside, and the first inner wire and the second inner wire stretch out this insulating part.
3. the connector with signal isolation features according to claims 1 or 2, is characterized in that: described external capacitive is annular capacitor.
4. the connector with signal isolation features according to claim 1, is characterized in that: described cavity is cylindric.
5. a television antenna isolator, it is characterized in that: this television antenna isolator comprises the first housing, second housing, external capacitive, first inner wire, second inner wire, central capacitive and insulating part, described first housing and the second housing are connected with two pole plates of external capacitive respectively and form a cavity with described external capacitive, the inner surface of the exterior surface cavity of described insulating part, this insulating part has container cavity, described central capacitive is positioned at this container cavity, described first inner wire and the second inner wire are connected to central capacitive and stretch out described insulating part.
6. television antenna isolator according to claim 5, is characterized in that: described external capacitive is annular capacitor.
7. the television antenna isolator according to claim 5 or 6, is characterized in that: the capacitance value range of described external capacitive is 1000 pico farad ~ 4700 pico farads, and the capacitance value range of central capacitive is 2200 pico farad ~ 3300 pico farads.
8. the television antenna isolator according to claim 5 or 6, is characterized in that: described first housing and the second housing link into an integrated entity with two pole plates of external capacitive respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009208.5A CN103096010B (en) | 2013-01-10 | 2013-01-10 | There is connector and the television antenna isolator of signal isolation features |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009208.5A CN103096010B (en) | 2013-01-10 | 2013-01-10 | There is connector and the television antenna isolator of signal isolation features |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103096010A CN103096010A (en) | 2013-05-08 |
| CN103096010B true CN103096010B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310009208.5A Active CN103096010B (en) | 2013-01-10 | 2013-01-10 | There is connector and the television antenna isolator of signal isolation features |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003264809A (en) * | 2002-03-08 | 2003-09-19 | Maspro Denkoh Corp | Community antenna reception apparatus |
| CN202364309U (en) * | 2011-12-08 | 2012-08-01 | 厦门森晖电子有限公司 | Television antenna isolator |
| CN102802393A (en) * | 2012-07-30 | 2012-11-28 | 宁波兴瑞电子有限公司 | Antenna isolator |
| CN203167125U (en) * | 2013-01-10 | 2013-08-28 | 宁波兴瑞电子有限公司 | Connector possessing signal isolation function and television antenna isolator |
-
2013
- 2013-01-10 CN CN201310009208.5A patent/CN103096010B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003264809A (en) * | 2002-03-08 | 2003-09-19 | Maspro Denkoh Corp | Community antenna reception apparatus |
| CN202364309U (en) * | 2011-12-08 | 2012-08-01 | 厦门森晖电子有限公司 | Television antenna isolator |
| CN102802393A (en) * | 2012-07-30 | 2012-11-28 | 宁波兴瑞电子有限公司 | Antenna isolator |
| CN203167125U (en) * | 2013-01-10 | 2013-08-28 | 宁波兴瑞电子有限公司 | Connector possessing signal isolation function and television antenna isolator |
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| Publication number | Publication date |
|---|---|
| CN103096010A (en) | 2013-05-08 |
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Address after: Cixi town mayor Lu an City of Ningbo province Zhejiang road 315326 No. 1511 Applicant after: Ningbo Xingrui Electronic Co., Ltd. Address before: Cixi town mayor Lu an City of Ningbo province Zhejiang road 315326 No. 1511 Applicant before: Ningbo Xingrui Electronics Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: NINGBO XINGRUI ELECTRONICS CO., LTD. TO: NINGBO RUIXING ELECTRONIC TECHNOLOGY CO., LTD. |
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