CN103096010A - Connector with signal isolation function and television antenna isolator - Google Patents
Connector with signal isolation function and television antenna isolator Download PDFInfo
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- CN103096010A CN103096010A CN2013100092085A CN201310009208A CN103096010A CN 103096010 A CN103096010 A CN 103096010A CN 2013100092085 A CN2013100092085 A CN 2013100092085A CN 201310009208 A CN201310009208 A CN 201310009208A CN 103096010 A CN103096010 A CN 103096010A
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Abstract
The invention discloses a connector with a signal isolation function and a television antenna isolator. The television antenna isolator comprises a first shell body, a second shell body, an external capacitor, a first inner conductor, a second inner conductor, a central capacitor and an insulating part. The first shell body and the second shell body are respectively connected with two electrode plates of the external capacitor and form a cavity with the external capacitor. An outer surface of the insulating part contacts an inner surface of the cavity. The insulating part is provided with a containing cavity. The central capacitor is placed in the containing cavity. The first inner conductor and the second inner conductor are respectively connected with the central capacitor and stretch out of the insulating part. Due to the fact that the two electrode plates of the external capacitor are connected with the first shell body and the second shell body and the central capacitor is connected with the first inner conductor and the second inner conductor, a circuit board and relative structures for fixing the circuit board are eliminated so that based on functions of an existing television antenna isolator, the television antenna isolator has the advantages of being small in size. The connector with the signal isolation function has the advantages of being small in size as well.
Description
Technical field
The present invention relates to connector, relate in particular to the connector with signal isolation features, this connector can be isolated high-frequency signal, also relates to the television antenna isolator, and this isolator can prevent that interference signal from affecting television picture quality.
Background technology
The Chinese patent Granted publication discloses a kind of television antenna isolator No. 202364309U.The second coaxial slicing ear that this television antenna isolator has housing, circuit board, can plug with the signal input terminal of cable TV the first coaxial slicing ear and can plug with the 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 respectively on the sidewall of this housing; On this circuit board, the signal capacitance is serially connected between the heart yearn of the heart yearn of this first coaxial slicing ear and this second coaxial slicing ear; On this circuit board, three ground wire capacitances are parallel with one another and be serially connected with between the front side of screen of this first coaxial slicing ear screen front side and this second coaxial slicing ear; On this circuit board, another three ground wire capacitances are parallel with one another and be serially connected with between the rear side of screen of this first coaxial slicing ear screen rear side and 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, be arranged in rectangular housing owing to needing in this television antenna isolator a signal capacitance and six ground wire capacitances are installed on circuit board and together with circuit board, like this, make the volume of this television antenna isolator large.
Summary of the invention
The problem that the present invention solves is the existing bulky problem of antenna isolator.
for addressing the above problem, the invention provides a kind of connector with signal isolation features, this connector comprises the first housing, the second housing, external capacitive, the first inner wire, the second inner wire, center electric capacity and insulating part, described the first housing be connected that housing is connected with two pole plates of described external capacitive respectively and consist of cavity with external circuit, described the first inner wire and the second inner wire are connected to center electric capacity, 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 center electric capacity.
Alternatively, the inner surface of the outer surface of described insulating part contact cavity, described center electric capacity are 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, center electric capacity and insulating part, described the first housing be connected that housing is connected with two pole plates of external capacitive respectively and consist of a cavity with described external capacitive, the inner surface of the outer surface contact cavity of described insulating part, this insulating part has container cavity, described center electric capacity is positioned at this container cavity, and described the first inner wire and the second inner wire are connected to center electric capacity and stretch out described insulating part.
Alternatively, described external capacitive is annular capacitor.
Alternatively, the capacitance scope of described external capacitive is 1000 pico farads～4700 pico farads, and the capacitance scope of center electric capacity is 2200 pico farads～3300 pico farads.
Alternatively, described the 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, due to two pole plates of television antenna isolator external capacitive of the present invention and the first housing be connected that housing is connected and center electric capacity and the first inner wire be connected inner wire and be connected, like this, saved the corresponding construction of circuit board and fixing circuit board thereof, on the basis that keeps existing television antenna insulator functionality, have advantages of that volume is little.Connector with signal isolation features also has this advantage.
2, the first housing, the second housing and the external capacitive due to television antenna isolator of the present invention consists of cavity, and like this, the present invention has advantages of that antijamming capability is strong, distributed capacitance is little, shield effectiveness is good, frequency response is high and signal transmission leaks minimum.
Description of drawings
Fig. 1 is the combination assumption diagram of television antenna isolator of the present invention;
Fig. 2 is the cutaway view along the A-A line of Fig. 1;
Fig. 3 is the exploded view of television antenna isolator shown in Figure 1.
Embodiment
By describing technology contents of the present invention, structural feature in detail, being reached purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be described in detail.
See also Fig. 1 to Fig. 3, television antenna isolator of the present invention comprises the first housing 1, the second housing 2, external capacitive 3, the first inner wire 4, the second inner wire 5, center electric capacity 6 and insulating part 7.Described the first housing 1 has the first cavity 11.Described second housing 2 has the second cavity 21.Described the first housing 1 consists of cavitys with being connected that housing 2 is connected with two pole plates of external capacitive 3 respectively with external capacitive 3, it is cylindric that this cavity is in the present embodiment, specifically by perforation 31 and second cavity 21 of the part of the first cavity 11, external capacitive 3 with consist of.In order to consist of cavity with the first cavity 11 and the second cavity 21, this external capacitive 3 is the annular capacitor with the perforation 31 on relative two surfaces of running through this external capacitive 3 in the present embodiment.After forming described cavity, seal due to 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, are the cavitys with perforation 31 due to external capacitive 3, can also make the distributed capacitance of television antenna isolator of the present invention little (distributed constant is little).In order to make above-mentioned better effects if, in other embodiments, described the first housing 1 and the second housing 2 link into an integrated entity with two pole plates of external capacitive 3 respectively, such as, the technique by high temperature sintering and so on links into an integrated entity.Described the first housing 1 can be the plug that is connected with television system (antenna or closed-circuit system) output and television signal input respectively with being connected housing 2, in such cases, this first housing 1 be connected housing 2 and be connected the screen that refers to plug with external capacitive 3 and be connected with external capacitive 3; Only refer in some cases screen.
Please continue to consult Fig. 1 to Fig. 3, described the first inner wire 4 and the second inner wire 5 are connected to center electric capacity 6, and described insulating part 7 separates the first housing 1, the second housing 2 and external capacitive 3 and the first inner wire 4, the second inner wire 5 and center electric capacity 6.In the present embodiment, the inner surface of the outer surface of described insulating part 7 contact cavity (contact the second cavity 21 inner surfaces, the inner surface of perforation 31 and a part of inner surface of the first cavity 11) has container cavity 71.Described center electric capacity 6 is positioned at this container cavity 71, and described the first inner wire 4 and the second inner wire 5 are connected to center electric capacity 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 host cavity 81 that the first cavity 11, the second inner wires 5 stretch out described insulating part 7 and are positioned at connection swivel nut 8.The first inner wire 4 be connected inner wire 5 and be connected the inner wire (heart yearn) of signal input terminal with television set with the inner wire (heart yearn) of TV system signal lead-out terminal (antenna or closed-circuit system) respectively in actual use and be connected, such as, the second inner wire 5 connects by connecting swivel nut 8.Can be at 5M～2GHz and anti-interference and guarantee the purpose of sound of television signal and image signal transmission in order to make center of the present invention electric capacity 6 and external capacitive 3 have withstand voltage high characteristic, frequency of utilization, the capacitance scope of described center electric capacity 6 is, the capacitance scope of center electric capacity 6 in the capacitance scope of 2200 pico farads～3300 pico farads and external capacitive 3 at 1000 pico farads～4700 pico farads.
See also Fig. 1 to Fig. 3; television antenna isolator of the present invention in actual use; external capacitive 3 and center electric capacity 6 is energy isolated DC signal and low frequency signal all; guarantee that low frequency signal or direct current signal can interfering TV sound and the quality of picture; such as; the surge that produces during thunderbolt is isolated and guarantees sound and image quality, and, can also protect television set and circuit thereof.
In sum, television antenna isolator of the present invention due to be external capacitive 3 two pole plates and the first housing 1 be connected that housing 2 is connected and center electric capacity 6 and the first inner wire 4 be connected inner wire 5 and be connected, like this, saved the corresponding construction of circuit board and fixing circuit board thereof, on the basis that keeps existing television antenna insulator functionality, have advantages of that also volume is little, antijamming capability is strong, distributed capacitance is little, shield effectiveness is good, frequency response is high and signal transmission leaks minimum.
Take the technical thought of above-mentioned television antenna isolator as 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, center electric capacity and insulating part.Described the first housing be connected that housing is connected with two pole plates of described external capacitive respectively and consist of cavity with external circuit, such as, described cavity is cylindric, and described external capacitive is annular capacitor, and the capacitance scope of described annular capacitor is 1000 pico farads～4700 pico farads.Described the first inner wire and the second inner wire are connected to center electric capacity.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 center electric capacity, such as, in concrete execution mode, the inner surface of the outer surface contact cavity of described insulating part, described center electric capacity is positioned at insulating part inside, and the first inner wire and the second inner wire stretch out this insulating part, and the capacitance scope of center electric capacity is 2200 pico farads～3300 pico farads.
This connector with signal isolation features can isolated DC signal and low frequency signal, has advantages of above-mentioned television antenna isolator.
Claims (8)
1. connector with 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, center electric capacity and insulating part, described the first housing be connected that housing is connected with two pole plates of described external capacitive respectively and consist of cavity with external circuit, 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 center electric capacity, and described the first inner wire and the second inner wire are connected to center electric capacity.
2. the connector with signal isolation features according to claim 1 is characterized in that: the inner surface of the outer surface contact cavity of described insulating part, described center electric capacity are positioned at insulating part inside, and the first inner wire and the second inner wire stretch out this insulating part.
3. according to claim 1 or 2 described connectors with signal isolation features, it is characterized in that: described external capacitive is annular capacitor.
4. the connector with signal isolation features according to claim 1, it is characterized in that: described cavity is cylindric.
5. television antenna isolator, it is characterized in that: this television antenna isolator comprises the first housing, the second housing, external capacitive, the first inner wire, the second inner wire, center electric capacity and insulating part, described the first housing be connected that housing is connected with two pole plates of external capacitive respectively and consist of a cavity with described external capacitive, the inner surface of the outer surface contact cavity of described insulating part, this insulating part has container cavity, described center electric capacity is positioned at this container cavity, described the first inner wire and the second inner wire are connected to center electric capacity and stretch out described insulating part.
6. television antenna isolator according to claim 5, it is characterized in that: described external capacitive is annular capacitor.
7. according to claim 5 or 6 described television antenna isolators, it is characterized in that: the capacitance scope of described external capacitive is 1000 pico farads～4700 pico farads, and the capacitance scope of center electric capacity is 2200 pico farads～3300 pico farads.
8. according to claim 5 or 6 described television antenna isolators is characterized in that: described the 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 true CN103096010A (en) | 2013-05-08 |
| CN103096010B 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 |
|---|---|
| CN103096010B (en) | 2015-11-11 |
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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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