CN203167125U - Connector possessing signal isolation function and television antenna isolator - Google Patents
Connector possessing signal isolation function and television antenna isolator Download PDFInfo
- Publication number
- CN203167125U CN203167125U CN 201320012796 CN201320012796U CN203167125U CN 203167125 U CN203167125 U CN 203167125U CN 201320012796 CN201320012796 CN 201320012796 CN 201320012796 U CN201320012796 U CN 201320012796U CN 203167125 U CN203167125 U CN 203167125U
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- Prior art keywords
- housing
- inner wire
- cavity
- television antenna
- electric capacity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a television antenna isolator and a connector possessing a signal isolation function. The television antenna isolator comprises a first housing, a second housing, an external capacitor, a first internal conductor, a second internal conductor, a central capacitor and an insulator. The first housing and the second housing are respectively in connection with two pole plates of the external capacitor and form a cavity with the external capacitor. The insulator has an external surface contacting with an internal surface of the cavity and possesses an accommodating chamber. The central capacitor is located in the accommodating chamber. The first internal conductor and the second internal conductor are respectively in connection with the central capacitor and extend out of the insulator. The two pole plates of the external capacitor are in connection with the first housing and the second housing, and the central capacitor is in connection with the first internal conductor and the second internal conductor; accordingly, a circuit board and a corresponding structure fixing the circuit board are omitted. As a result, the television antenna isolator has a small size at the same time of maintaining functions of a present television antenna isolator; the connector possessing a signal isolation function also has a small size.
Description
Technical field
The utility model relates to connector, relates in particular to the connector with signal isolation features, and this connector can be isolated high-frequency signal, also relates to the television antenna isolator, and this isolator can prevent that interference signal from influencing television picture quality.
Background technology
The Chinese patent Granted publication discloses a kind of television antenna isolator for 202364309U number.Second coaxial slicing ear that this television antenna isolator has housing, circuit board, can plug first coaxial slicing ear with the signal input terminal of cable TV 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 installed in this housing, and this first coaxial slicing ear and this second coaxial slicing ear are installed in respectively on the sidewall of this housing; 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; In addition 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 on this circuit board.Though above-mentioned television antenna isolator can be isolated interference signal, and then, guarantee the image quality of TV, but, owing to need in this television antenna isolator a signal capacitance and six ground wire capacitances are installed on the circuit board and in circuit board is arranged at rectangular housing, like this, make that the volume of this television antenna isolator is big.
Summary of the invention
The problem that the utility model solves is the existing bulky problem of antenna isolator.
For addressing the above problem, the utility model provides a kind of connector with signal isolation features, this connector comprises first housing, second housing, external capacitive, first inner wire, second inner wire, center electric capacity and insulating part, described first housing is connected with two pole plates of described external capacitive respectively with second housing and constitutes cavity with external circuit, described first inner wire and second inner wire are connected to center electric capacity, described insulating part is positioned at described cavity, separates first housing, second housing and external capacitive and first inner wire, 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 is positioned at insulating part inside, and first inner wire and second inner wire stretch out this insulating part.
Alternatively, described external capacitive is annular capacitor.
Alternatively, described cavity is cylindric.
The utility model discloses a kind of television antenna isolator, this television antenna isolator comprises first housing, second housing, external capacitive, first inner wire, second inner wire, center electric capacity and insulating part, described first housing is connected with two pole plates of external capacitive respectively with second housing and constitutes 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 first inner wire and 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 first housing and second housing link into an integrated entity with two pole plates of external capacitive respectively.
Compared with prior art, the utlity model has following advantage:
1, because two pole plate of television antenna isolator external capacitive of the present utility model are connected with second housing with first housing and center electric capacity is connected with second inner wire with first inner wire, like this, saved the corresponding construction of circuit board and fixing circuit board thereof, on the basis that keeps existing television antenna insulator functionality, has the little advantage of volume.Connector with signal isolation features also has this advantage.
2, because first housing of television antenna isolator of the present utility model, second housing and external capacitive constitute cavity, like this, the utlity model has that antijamming capability is strong, distributed capacitance is little, shield effectiveness is good, frequency response is high and the transmission signal leaks minimum advantage.
Description of drawings
Fig. 1 is the combination assumption diagram of the utility model television antenna isolator;
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 utility model, structural feature in detail, being reached purpose and effect, described in detail below in conjunction with embodiment and conjunction with figs..
See also Fig. 1 to Fig. 3, the utility model television antenna isolator comprises first housing 1, second housing 2, external capacitive 3, first inner wire 4, second inner wire 5, center electric capacity 6 and insulating part 7.Described first housing 1 has first cavity 11.Described second shell 2 has second cavity 21.Described first housing 1 is connected with two pole plates of external capacitive 3 respectively with second housing 2 and constitutes cavity 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 first cavity 11, external capacitive 3 with constitute.In order to constitute cavity with first cavity 11 and 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.Form after the described cavity, because the seal of cavity, like this, make that the utility model shield effectiveness is good, antijamming capability is strong, frequency response is high and the transmission leakage signal is little, in addition, because external capacitive 3 is to have perforation 31 cavity, can also make the distributed capacitance little (distributed constant is little) of the utility model television antenna isolator.In order to make above-mentioned better effects if, in other embodiments, described first housing 1 and second housing 2 link into an integrated entity with two pole plates of external capacitive 3 respectively, such as, the technology by high temperature sintering and so on links into an integrated entity.Described 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 second housing 2, in such cases, this first housing 1 is connected the screen that refers to plug with second housing 2 and is connected with external capacitive 3 with external capacitive 3; Only refer to screen in some cases.
Please continue to consult Fig. 1 to Fig. 3, described first inner wire 4 and second inner wire 5 are connected to center electric capacity 6, and described insulating part 7 separates first housing 1, second housing 2 and external capacitive 3 and first inner wire 4, 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 (contacting second cavity, 21 inner surfaces, the inner surface of perforation 31 and a part of inner surface of first cavity 11) has container cavity 71.Described center electric capacity 6 is positioned at this container cavity 71, and described first inner wire 4 and second inner wire 5 are connected to center electric capacity 6 and stretch out described insulating part 7.In the present embodiment mode, first inner wire 4 stretches out insulating part 7 and is positioned at the host cavity 81 that first cavity, 11, the second inner wires 5 stretch out described insulating part 7 and are positioned at connection swivel nut 8.First inner wire 4 and second inner wire 5 are connected with the inner wire (heart yearn) of the signal input terminal of the inner wire (heart yearn) of TV system signal lead-out terminal (antenna or closed-circuit system) and television set respectively in actual use, such as, 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 that center of the present utility model 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; the utility model television antenna isolator 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 is guaranteed sound and image quality, and, can also protect television set and circuit thereof.
In sum, the utility model television antenna isolator is connected with second housing 2 with first housing 1 owing to two pole plates that are external capacitive 3 and center electric capacity 6 is connected with second inner wire 5 with first inner wire 4, 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 also that volume is little, antijamming capability is strong, distributed capacitance is little, shield effectiveness is good, frequency response is high and the transmission signal leaks minimum advantage.
Technical thought with above-mentioned television antenna isolator is reference, the utility model discloses a kind of connector with signal isolation features, and this connector comprises first housing, second housing, external capacitive, first inner wire, second inner wire, center electric capacity and insulating part.Described first housing is connected with two pole plates of described external capacitive respectively with second housing and constitutes 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 first inner wire and second inner wire are connected to center electric capacity.Described insulating part is positioned at described cavity, separate first housing, second housing and external capacitive and first inner wire, 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 first inner wire and 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 the advantage of above-mentioned television antenna isolator.
Claims (8)
1. connector with signal isolation features, it is characterized in that: this connector comprises first housing, second housing, external capacitive, first inner wire, second inner wire, center electric capacity and insulating part, described first housing is connected with two pole plates of described external capacitive respectively with second housing and constitutes cavity with external circuit, described insulating part is positioned at described cavity and separates first housing, second housing and external capacitive and first inner wire, second inner wire and center electric capacity, and described first inner wire and 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, and described center electric capacity is positioned at insulating part inside, and first inner wire and 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 first housing, second housing, external capacitive, first inner wire, second inner wire, center electric capacity and insulating part, described first housing is connected with two pole plates of external capacitive respectively with second housing and constitutes 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 first inner wire and 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, it is characterized in that: described first housing and 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 |
|---|---|---|---|
| CN 201320012796 CN203167125U (en) | 2013-01-10 | 2013-01-10 | Connector possessing signal isolation function and television antenna isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320012796 CN203167125U (en) | 2013-01-10 | 2013-01-10 | Connector possessing signal isolation function and television antenna isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203167125U true CN203167125U (en) | 2013-08-28 |
Family
ID=49028276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320012796 Withdrawn - After Issue CN203167125U (en) | 2013-01-10 | 2013-01-10 | Connector possessing signal isolation function and television antenna isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203167125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096010A (en) * | 2013-01-10 | 2013-05-08 | 宁波兴瑞电子有限公司 | Connector with signal isolation function and television antenna isolator |
-
2013
- 2013-01-10 CN CN 201320012796 patent/CN203167125U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096010A (en) * | 2013-01-10 | 2013-05-08 | 宁波兴瑞电子有限公司 | Connector with signal isolation function and television antenna isolator |
| CN103096010B (en) * | 2013-01-10 | 2015-11-11 | 宁波兴瑞电子科技股份有限公司 | There is connector and the television antenna isolator of signal isolation features |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: NINGBO RUIXING ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER NAME: NINGBO XINGRUI ELECTRONICS CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Cixi town mayor Lu an City of Ningbo province Zhejiang road 315326 No. 1511 Patentee after: Ningbo Xingrui Electronic Co., Ltd. Address before: Cixi town mayor Lu an City of Ningbo province Zhejiang road 315326 No. 1511 Patentee before: Ningbo Xingrui Electronics Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130828 Effective date of abandoning: 20151111 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |