CN201549715U - Cable connector with surge protection function - Google Patents
Cable connector with surge protection function Download PDFInfo
- Publication number
- CN201549715U CN201549715U CN2009202611856U CN200920261185U CN201549715U CN 201549715 U CN201549715 U CN 201549715U CN 2009202611856 U CN2009202611856 U CN 2009202611856U CN 200920261185 U CN200920261185 U CN 200920261185U CN 201549715 U CN201549715 U CN 201549715U
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- Prior art keywords
- connector
- shell
- cable connector
- surge
- middle shaft
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- Expired - Fee Related
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Abstract
The utility model provides a cable connector with surge protection function, which comprises a middle shaft connecting piece which is arranged in a shell and is connected with the shell; the two ends of the shell and the middle shaft connecting piece are identical with the two ends of a standard F head; the middle part of the shell is a sealed cavity in which a surge protector is arranged; and two ends of the surge protector are respectively connected with the middle shaft connecting piece and the shell. The utility model aims to ensure the stability of the original system and to increase surge protection function while not adding any movable adapter. The cable connector is small and practical, convenient to install and free of maintenances, and the cable connector is made of high-quality nickel-plated copper alloy, so the mechanical strength of the cable connector is enhanced and the connecting effect of the connector is good.
Description
Technical field
The utility model relates to a kind of cable connector, and particularly a kind of F cable connector is provided with surge protective device in this connector.
Background technology
Connector is a kind of common parts in electronic circuit, the signal line.Its effect is very simple: be communicated with and be blocked place or isolated obstructed two circuit or circuit, erect the bridge of communication, thereby make current flowing, make circuit realize intended function.
Connector is indispensable parts in the electronic equipment, and connector form and structure also are Protean, and different along with factors such as application, frequency, power and applied environments have various multi-form connectors.The F head connector be exactly comparatively common, use a kind of of more frequent conventional connector, it has the simple connection effect to circuit or signalling channel, does not possess other functions.
F head connector typical case is used for 75 Ω cable distribution systems, particularly CATV, television network broadcast.
The F head connector both can be used for having the occasion of impedance matching requirement, also can be used for non-coupling occasion.
F head connector characteristics are to be threaded, and plug together conveniently firm and reliable connection.
Common F head connector generally is that the middle shaft coupling piece of insulation is with it arranged in the enclosure, and shell and middle shaft coupling piece are conductor, and the centre is an insulator, and the one end is fit to link to each other with F head connector male and female, and the other end then is fit to fixedly connected cable.
On the coaxial cable of signal transmission line, can often be subjected to the invasion and attack of lightning surge, may be damaged by lightning surge at the equipment that does not have to link to each other with coaxial cable under the situation of safeguard measure.The traditional method of corresponding above-mentioned situation is; tie point place at the connector of this line channel increases in parallel or in-line Surge Protector; this Surge Protector one end is the F male; the other end is the F female; in order to mate corresponding F joint; with this Surge Protector line attachment passage, so just can play the release effect of lightning surge of protection equipment.
Newly-increased access device or device have increased anti-surge function, have protected equipment.But also produced a new problem simultaneously: the connection of original circuit is one group of F head, has become two groups of F heads now, has increased tie point quantity, thereby has increased unsteadiness and Insertion Loss that original system connects.Can newly-increased device well mate former line channel is a problem, also can increase line impedance simultaneously, causes the increase of signal error rate and packet loss.Obviously on former whole circuit or passage the place's tie points that increase more with regard to many place's hidden danger.Certainly, the bigger increase of adopting lightning protection device independently also to bring system cost.
Summary of the invention
Install that tie point that independent lightning protection device makes cable connector increases and the coupling brought does not conform in order to overcome in the prior art, Insertion Loss increases, deficiencies such as cost raising, and the utility model provides a kind of cable connector with surge protection.
The utility model in order to realize the technical scheme that its technical purpose adopts is: a kind of cable connector with surge protection; comprise setting middle shaft coupling piece in the enclosure and that insulate with it; described shell is identical with standard F respectively with middle shaft coupling piece two ends; at described shell middle part is closed cavity; be provided with surge protective device in described closed cavity, the two ends of described surge protective device connect described middle shaft coupling piece and shell respectively.
The present utility model design is intended to the simplest structure, and minimum cost increase reaches the purpose that increases the surge protection function.The design does not increase the joint number, guarantees original system stability, and small and exquisite practicality is easy for installation, non-maintaining.Adopt the nickel plating of high-quality copper alloy, not only increase the mechanical strength of device own, and device connects respond well.
Below in conjunction with accompanying drawing the utility model is done comparatively detailed description.
Description of drawings
Accompanying drawing 1 is the utility model example cutaway view.
Accompanying drawing 2 is implemented electrical schematic diagram for the utility model.
Among the figure: 1, shell, 2, middle shaft coupling piece, 3, connector head, 4, cable joint, 5, Surge Protector, 6, protective cover, 7, insulator.
Embodiment
As shown in Figure 1: a kind of cable connector with surge protection; comprise the middle shaft coupling piece 2 that is arranged in the shell 1; the two ends of described shell 1 and middle shaft coupling piece 2 are respectively 3 and a cable joint 4 of connector; shaft coupling piece 2 is fixed in shell 1 center by insulator 7 in described; connector head 3 can be a connector male head; if the words of connector male head can freely link to each other with the female of same model connector, equally also the connector male head of connector female and same model joins.Cable joint 4 available dedicated instruments are fixedlyed connected with cable.In the present embodiment, shell 1 middle part is a closed cavity, is provided with Surge Protector 5 in described closed cavity, and two of described Surge Protector 5 connects described axis respectively and connects part 2 and shell 1.In the present embodiment, Surge Protector 5 is a high-performance discharge tube, also can use other protective device according to actual conditions.Discharge tube utilizes protective cover 6 to be fixed in the connector in the present embodiment.
In the present embodiment, we with Surge Protector and F head connector comprehensive Design in a monomer connector, like this in UNICOM in two circuits or the passage, not only do not increase extra access device but also had the surge protection function.Optimize design, reduced redundancy, strengthened entire system reliability and antisurge function, reduced the required cost of increase surge protection.
The present utility model design is intended to reduce interface unit, guarantees original system stability, newly-increased surge protection function.The small and exquisite practicality of the design, easy for installation, non-maintaining, adopt the nickel plating of high-quality copper alloy, not only increase the mechanical strength of device own, and device connects respond well.According to GB GB/T15396-1994 code requirement manufacturing processing, solved the connection problem of connector and two devices of Surge Protector, promptly reduced the cost expenditure, also reduced the issuable problem of twice installation simultaneously.The surge protection function adopts protected mode in parallel, can not change former channel impedance, and this device standing-wave ratio and insertion loss are minimum, well below the national standard requirement, only are equivalent to a common connector.F coaxial surge protection connector will become the new direction of similar connector development from now on its good performance and remarkable quality.
In the present embodiment, the surge protection connector adopts lightning protection device and the incorporate structural design of connector.In common connector middle part, increase a columniform closed cavity, in this cavity, place a high-performance discharge tube, use protective cover to carry out fastening with the connection of coaxial cable core to discharge tube.What the discharge tube two ends connected respectively is axis conductor and connector shell.Connector shell, cable shield and device housings are electrical communication, can carry out ground connection at equipment or screen place.She Ji operation principle is like this: produced surge on the coaxial cable core, conducted to discharge tube and reached discharge tube GDT level of movement, promptly carried out the conducting discharge, discharged over the ground by the coaxial cable core, guaranteed rear end equipment safety.Circuit theory as shown in Figure 2.Under the situation of ground connection, the coaxial cable core discharges to screen also can play balanced action between line, also can protect the safety of rear end equipment.
Claims (2)
1. cable connector with surge protection; comprise in the enclosure and the with it middle shaft coupling piece of insulation of setting; described shell is identical with the two ends of standard cable connector respectively with the two ends of middle shaft coupling piece; it is characterized in that; described shell (1) middle part is a closed cavity; in described closed cavity, be provided with surge protective device (5); the two ends of described surge protective device (5) connect described middle shaft coupling piece (2) and shell (1) respectively, and insulator (7) is arranged between shell and the middle shaft coupling piece.
2. a kind of cable connector with surge protection according to claim 1 is characterized in that: described surge protective device (5) is a discharge tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202611856U CN201549715U (en) | 2009-12-09 | 2009-12-09 | Cable connector with surge protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202611856U CN201549715U (en) | 2009-12-09 | 2009-12-09 | Cable connector with surge protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201549715U true CN201549715U (en) | 2010-08-11 |
Family
ID=42604892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202611856U Expired - Fee Related CN201549715U (en) | 2009-12-09 | 2009-12-09 | Cable connector with surge protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201549715U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269675A (en) * | 2014-09-05 | 2015-01-07 | 江苏东升电子科技有限公司 | Connector female base |
| CN105119068A (en) * | 2015-09-16 | 2015-12-02 | 国网山东省电力公司临沂供电公司 | Cable joint with protector |
| CN106532290A (en) * | 2016-12-27 | 2017-03-22 | 同方威视技术股份有限公司 | Electric connector and matching electric connector matched therewith |
| CN106972475A (en) * | 2017-04-28 | 2017-07-21 | 茂硕电源科技股份有限公司 | A kind of surge absorption device and power equipment |
| CN110444948A (en) * | 2019-08-16 | 2019-11-12 | 四川赛尔特科技有限公司 | A kind of wall-penetrating type antenna feeder Surge Protector |
| CN114824904A (en) * | 2022-04-27 | 2022-07-29 | 宣德科技股份有限公司 | Connector, manufacturing method and connector assembly |
-
2009
- 2009-12-09 CN CN2009202611856U patent/CN201549715U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104269675A (en) * | 2014-09-05 | 2015-01-07 | 江苏东升电子科技有限公司 | Connector female base |
| CN105119068A (en) * | 2015-09-16 | 2015-12-02 | 国网山东省电力公司临沂供电公司 | Cable joint with protector |
| CN105119068B (en) * | 2015-09-16 | 2018-02-02 | 国网山东省电力公司临沂供电公司 | cable connector with protector |
| CN106532290A (en) * | 2016-12-27 | 2017-03-22 | 同方威视技术股份有限公司 | Electric connector and matching electric connector matched therewith |
| CN106972475A (en) * | 2017-04-28 | 2017-07-21 | 茂硕电源科技股份有限公司 | A kind of surge absorption device and power equipment |
| CN110444948A (en) * | 2019-08-16 | 2019-11-12 | 四川赛尔特科技有限公司 | A kind of wall-penetrating type antenna feeder Surge Protector |
| CN114824904A (en) * | 2022-04-27 | 2022-07-29 | 宣德科技股份有限公司 | Connector, manufacturing method and connector assembly |
| CN114824904B (en) * | 2022-04-27 | 2023-09-19 | 宣德科技股份有限公司 | Connector, manufacturing method and connector assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100811 Termination date: 20151209 |
|
| EXPY | Termination of patent right or utility model |