CN203056285U - Isolating tuner signal input connector - Google Patents
Isolating tuner signal input connector Download PDFInfo
- Publication number
- CN203056285U CN203056285U CN 201320056529 CN201320056529U CN203056285U CN 203056285 U CN203056285 U CN 203056285U CN 201320056529 CN201320056529 CN 201320056529 CN 201320056529 U CN201320056529 U CN 201320056529U CN 203056285 U CN203056285 U CN 203056285U
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- CN
- China
- Prior art keywords
- tuner
- signal input
- metal shell
- ceramic disc
- disc capacitor
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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.)
- Expired - Lifetime
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Abstract
The utility model discloses an isolating tuner signal input connector, comprising hollow metal housings (1) whose appearance is adaptive to a plug connector of a transmission cable, insulators (2) embedded in the metal housings (1), a core wire (3) used to transmit input signals, and fixing feet (7) used to fix the connector on a tuner and electrically connected with a ground terminal of the tuner. The core wire (3) is embedded in the insulators (2). The signal input connector is characterized by also comprising leaded ceramic disc capacitors (4) used to isolate direct current and low-frequency AC. The leaded ceramic disc capacitor (4) is disposed between the metal housings (1) and the fixing foot (7). The metal housings (1) is electrically connected with the fixing foot (7) through the leaded ceramic disc capacitor (4). The isolating tuner signal input connector can isolate direct current and low-frequency AC on the transmission cable from the tuner, thereby preventing damaging the tuner and causing signal interference on the tuner.
Description
Technical field
The utility model relates to a kind of signal input connector of tuner, specifically a kind of isolated tuner signal input adapter.
Background technology
The signal input connector of tuner is fixed on the tuner, is used for the grafting transmission cable, and the signal on the transmission cable is by in the signal input connector input tuner.As shown in Figure 1, the suitable hollow metal housing 1 of the interface that tuner signal input adapter of the prior art comprises profile and transmission cable, be inlaid in the insulator 2 of metal shell 1 inside, the fixing feet 7 that is used for the heart yearn 3 of transferring input signal and is used for joint is fixed on the tuner and is electrically connected with the tuner earth terminal, heart yearn 3 is embedded in the insulator 2, the bottom that fixing feet 7 is arranged on metal shell 1 directly and metal shell 1 be electrically connected.When this tuner signal input adapter is installed on the tuner, by fixing feet 7 and tuner fix and with the earth terminal of tuner, the shell that is generally tuner is electrically connected, heart yearn 3 is electrically connected with the signal input part of tuner.
There is following shortcoming in above-mentioned tuner signal input adapter:
Because the becoming increasingly complex of development signal transmission network along with technology, generally can add power supply at transmission cable and offer the use of network transmission apparatus, and prior receivers is mostly used Switching Power Supply, cause that ubiquity has direct current and low frequency ac on the transmission cable, therefore, when transmission cable is plugged on the above-mentioned tuner signal input adapter, the earth shield line of transmission cable is electrically connected by the earth terminal of metal shell 1 and fixing feet 7 and tuner, the holding wire of transmission cable is electrically connected by the signal input part of heart yearn 3 with tuner, direct current on the transmission cable and low frequency ac can be input in the tuner by the metal shell 1 of above-mentioned tuner signal input adapter, and tuner is caused damage and the signal interference.
The utility model content
The purpose of this utility model provides a kind of isolated tuner signal input adapter, the direct current on the transmission cable and low frequency ac and tuner isolation can be avoided tuner is caused damage and the signal interference.
The purpose of this utility model is to realize by following technical measures:
A kind of isolated tuner signal input adapter, comprise the suitable hollow metal housing of the interface of profile and transmission cable, be inlaid in the insulator of described metal shell inside, the fixing feet that is used for the heart yearn of transferring input signal and is used for joint is fixed on the tuner and is electrically connected with the tuner earth terminal, described heart yearn is embedded in the insulator, it is characterized in that described signal input connector also comprises the Leaded Ceramic Disc Capacitor of isolating for to direct current and low frequency ac; Described Leaded Ceramic Disc Capacitor is arranged between metal shell and the fixing feet, and described metal shell is electrically connected by Leaded Ceramic Disc Capacitor and fixing feet.
As a kind of execution mode of utility model, described signal input connector also comprises the endless metal seat; Described Leaded Ceramic Disc Capacitor is annular, stretch out outside the metal shell bottom of described insulator, described Leaded Ceramic Disc Capacitor and endless metal cover for seat are contained on the extension of this insulator, and top crown and the metal shell of Leaded Ceramic Disc Capacitor connect, the top of bottom crown and endless metal seat connects, and described fixing feet is arranged on the bottom of endless metal seat.
In order to protect Leaded Ceramic Disc Capacitor; preventing that Leaded Ceramic Disc Capacitor is exposed suffers damage outside; a kind of improvement as utility model; described metal shell is made up of the part of two up-small and down-big different-diameters; the junction of these two parts is the reducing portion of metal shell; described Leaded Ceramic Disc Capacitor is installed in the metal shell and the top crown of Leaded Ceramic Disc Capacitor is connected in the described reducing portion, leaves the gap between the bottom of described endless metal seat and metal shell.
A kind of improvement as utility model, described signal input connector also comprises be used to guaranteeing between metal shell and the endless metal seat insulation and the resin that strengthens signal input connector intensity, and described resin is potted in the gap between described endless metal seat and the metal shell.
Compared with prior art, the utlity model has following beneficial effect:
Because when transmission cable is plugged on the signal input connector, the earth shield line of transmission cable passes through metal shell, Leaded Ceramic Disc Capacitor, the earth terminal of endless metal seat and fixing feet and tuner is electrically connected, the holding wire of transmission cable is electrically connected by the signal input part of heart yearn and tuner, so, the utility model can be isolated the direct current on the transmission cable and low frequency ac by Leaded Ceramic Disc Capacitor and tuner, avoid tuner is caused damage and the signal interference, transmission signal in the holding wire of transmission cable then can be directly by the heart yearn input, and the signal input of tuner is unaffected.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 partly cuts open structural representation for tuner signal input adapter in the prior art;
Fig. 2 partly cuts open structural representation for the isolated tuner signal input adapter of the utility model;
Fig. 3 is that the A of Fig. 2 is to view;
Fig. 4 is that the B of Fig. 2 is to view.
Embodiment
To shown in Figure 4, the suitable hollow metal housing 1 of the interface that isolated tuner signal input adapter of the present utility model comprises profile and transmission cable, the insulator 2 that is inlaid in metal shell 1 inside, the heart yearn 3 that is used for transferring input signal, the Leaded Ceramic Disc Capacitor 4, the endless metal seat 6 that are used for direct current and low frequency ac are isolated, be used for guaranteeing the resin 5 of insulation between metal shell 1 and the endless metal seat 6 and enhancing signal input connector intensity and for the fixing feet 7 that joint is fixed on the tuner and is electrically connected with the tuner earth terminal as Fig. 2.Wherein, heart yearn 3 is embedded in the insulator 2, metal shell 1 is made up of the part of two up-small and down-big different-diameters, the junction of these two parts is the 1a of reducing portion of metal shell 1, Leaded Ceramic Disc Capacitor 4 is annular, stretch out outside the metal shell 1 bottom of insulator 2, Leaded Ceramic Disc Capacitor 4 and endless metal seat 6 are sleeved on the extension of this insulator 2, Leaded Ceramic Disc Capacitor 4 is located in the metal shell 1 and the top crown of Leaded Ceramic Disc Capacitor 4 is connected on the 1a of reducing portion, the top of the bottom crown of Leaded Ceramic Disc Capacitor 4 and endless metal seat 6 connects, fixing feet 7 is arranged on the bottom of endless metal seat 6, leave the gap between the bottom of endless metal seat 6 and metal shell 1, resin 5 is potted in the gap between endless metal seat 6 and the metal shell 1, and metal shell 1 is electrically connected by Leaded Ceramic Disc Capacitor 4 and fixing feet 7.
When isolated tuner signal input adapter of the present utility model is installed on the tuner, fix and be electrically connected with the earth terminal of tuner by fixing feet 7 and tuner, heart yearn 3 is electrically connected with the signal input part of tuner, because when transmission cable is plugged on the signal input connector, the earth shield line of transmission cable is by metal shell 1, annular Leaded Ceramic Disc Capacitor 4, metal ring seat 6 and fixing feet 7 are electrically connected with the earth terminal of tuner, the holding wire of transmission cable is electrically connected by the signal input part of heart yearn 3 with tuner, so, isolated tuner signal input adapter of the present utility model can be isolated the direct current on the transmission cable and low frequency ac by Leaded Ceramic Disc Capacitor 4 and tuner, avoid tuner is caused damage and the signal interference, and the holding wire of transmission cable is a straight-through lead, signal wherein, comprise that transmission signal and power supply then can be directly by heart yearn 3 inputs, the signal input of tuner is unaffected.In addition, also between the signal input part of heart yearn 3 and tuner, isolation capacitance to be set, to make this use tuner of the present utility model and have the direct current on the holding wire and low-frequency ac power are played two buffer actions.
The utility model does not limit to and above-mentioned embodiment; according to foregoing; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite; the utility model can also be made equivalent modifications, replacement or the change of other various ways, all drops among the protection range of the present utility model.
Claims (4)
1. isolated tuner signal input adapter, the fixing feet (7) that comprises the suitable hollow metal housing (1) of the interface of profile and transmission cable, is inlaid in the inner insulator (2) of described metal shell (1), is used for the heart yearn (3) of transferring input signal and is used for joint is fixed on the tuner and is electrically connected with the tuner earth terminal, described heart yearn (3) is embedded in the insulator (2), it is characterized in that: described signal input connector also comprises the Leaded Ceramic Disc Capacitor (4) of isolating for to direct current and low frequency ac; Described Leaded Ceramic Disc Capacitor (4) is arranged between metal shell (1) and the fixing feet (7), and described metal shell (1) is electrically connected by Leaded Ceramic Disc Capacitor (4) and fixing feet (7).
2. isolated tuner signal input adapter according to claim 1, it is characterized in that: described signal input connector also comprises endless metal seat (6); Described Leaded Ceramic Disc Capacitor (4) is annular, stretch out outside the metal shell (1) bottom of described insulator (2), described Leaded Ceramic Disc Capacitor (4) and endless metal seat (6) are sleeved on the extension of this insulator (2), and the top crown of Leaded Ceramic Disc Capacitor (4) and metal shell (1) connect, the top of bottom crown and endless metal seat (6) connects, and described fixing feet (7) is arranged on the bottom of endless metal seat (6).
3. isolated tuner signal input adapter according to claim 2, it is characterized in that: described metal shell (1) is made up of the part of two up-small and down-big different-diameters, the junction of these two parts is the reducing portion (1a) of metal shell (1), described Leaded Ceramic Disc Capacitor (4) is installed in the metal shell (1) and the top crown of Leaded Ceramic Disc Capacitor (4) is connected in the described reducing portion (1a), leaves the gap between the bottom of described endless metal seat (6) and metal shell (1).
4. isolated tuner signal input adapter according to claim 3, it is characterized in that: described signal input connector also comprises be used to guaranteeing between metal shell (1) and the endless metal seat (6) insulation and the resin (5) that strengthens signal input connector intensity, and described resin (5) is potted in the gap between described endless metal seat (6) and the metal shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320056529 CN203056285U (en) | 2013-01-31 | 2013-01-31 | Isolating tuner signal input connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320056529 CN203056285U (en) | 2013-01-31 | 2013-01-31 | Isolating tuner signal input connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203056285U true CN203056285U (en) | 2013-07-10 |
Family
ID=48739206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320056529 Expired - Lifetime CN203056285U (en) | 2013-01-31 | 2013-01-31 | Isolating tuner signal input connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203056285U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111768972A (en) * | 2020-07-20 | 2020-10-13 | 福州欣翔威电子科技有限公司 | Feedthrough capacitor filter |
-
2013
- 2013-01-31 CN CN 201320056529 patent/CN203056285U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111768972A (en) * | 2020-07-20 | 2020-10-13 | 福州欣翔威电子科技有限公司 | Feedthrough capacitor filter |
| CN111768972B (en) * | 2020-07-20 | 2024-07-16 | 福州欣翔威电子科技有限公司 | Feedthrough capacitor filter |
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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 | ||
| CP03 | Change of name, title or address |
Address after: 511455 Guangdong city of Guangzhou province Nansha District Huangge Town Ji Sheng Lu No. 2 (plant A) Patentee after: EARDA TECHNOLOGIES Co.,Ltd. Address before: 511442 Guangdong Province, Guangzhou City Southern towns Panyu District Po Village Road No. 8 2 Dengyun building 401, 501 Patentee before: EARDA ELECTRONICS LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |
|
| CX01 | Expiry of patent term |