CN2640087Y - Communication cable connector - Google Patents
Communication cable connector Download PDFInfo
- Publication number
- CN2640087Y CN2640087Y CN 03277537 CN03277537U CN2640087Y CN 2640087 Y CN2640087 Y CN 2640087Y CN 03277537 CN03277537 CN 03277537 CN 03277537 U CN03277537 U CN 03277537U CN 2640087 Y CN2640087 Y CN 2640087Y
- Authority
- CN
- China
- Prior art keywords
- layer
- cable
- outside
- screen
- connecting module
- Prior art date
- 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 - Fee Related
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Abstract
The utility model relates to a shield of communication cable joints, comprising a core wire connecting module, a shielding layer, an insulating layer, a metal cover and a protecting layer; wherein, the core wires of two cables are connected by the connecting module; the shielding layer is covered outside the connecting module, and is connected with the insulating layer of the cable through conductors; the insulating layer is arranged outside the shielding layer, and separates the shielding layer from exterior; the metal cover is more outside and the protecting layer is outmost. The utility model makes shielding of the connecting module, thus the magnetic field change generated by the core wire only affects the shielding layer, while does not have any effect on the more outside metal cover, and the service life of the whole cable joints is prolonged.
Description
Affiliated technical field
The utility model relates to a kind of communication cable-end.
Background technology
Current, the big logarithm communication outgoing cable of local telephone network (also claiming main cable) is the requirement inflation, and the purpose of inflation is to prevent that moisture from entering cable and causing communication failure, and general underground cable air pressure is more than the 30KP.Which floor the structure of local cable comprises, innermost layer is a heart yearn, at most generally can reach 2400 pairs, mutually insulated between the heart yearn; The intermediate layer is an aluminium matter screen, shielding layer grounding; Skin is a protective layer.Constantly inflation makes the air pressure of whole piece cable reach the requirement of regulation to inflator to nexine.But therefore the impossible endless of cable need connect cable.Cable joint at first uses link block that heart yearn is connected, to need the screen of two sections cables connecting to connect by a lead then, banding insulation again, put the metal cap of a band valve, outermost layer is one deck thermal contraction slice, makes it shrink the connection of finishing at last between the cable to its heating.
But find that in use the valve corrosion that this cover cable joint facility can occur on the metal cap comes off, and makes water enter into joint inside, causes scrapping of whole piece cable, loses huge after using the several years.
The reason that the analysis valve comes off is roughly as follows: every line of cable all has 48 volts voltage when work, and the voltage when telephone set shake bell is more above 100 volts.The variation of voltage causes that the variation of electric current changes electric wire magnetic field on every side in the circuit, because the not shielding of cable joint place, the variation in this magnetic field makes and produces static in the metal cap, and by unique exposed valve externally the earth is discharged.Valve is in the moist environment for a long time, just scraps through the galvanic corrosion of several years to have come off.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned defective of prior art, and a kind of communication cable-end of exempting the valve corrosion is provided.
Technical solution of the present utility model is to coat one deck screen in the outside of the heart yearn link block of cable joint, and the screen outside is coated with a layer insulating again.Screen is connected by the screen of lead and cable.
Like this, the changes of magnetic field that heart yearn produces only has influence on screen, and can not produce any influence to the metal cap again, has prolonged the useful life of whole cable joint.
Description of drawings
Accompanying drawing is the configuration diagram of present embodiment.
Embodiment
Present embodiment comprises heart yearn link block 2; 2 pairs of link blocks need the heart yearn 1 of two cables of connection to connect; external packets in link block 2 is covered with one deck screen 3; this screen 3 connects by the screen of two cables that lead is connected with needs respectively; be provided with a layer insulating 4 in the outside of screen 3; this insulating barrier 4 is with screen 3 and external isolation, and the outside is exactly metal cap 5 and outmost protective layer 6 again.Metal cap 5 is provided with valve 7, and metal cap 5 supports whole cable joint simultaneously, and protective layer 6 envelopes whole cable joint, makes cable joint and external isolation.
Claims (1)
1, a kind of communication cable-end; comprise the heart yearn link block; the outside is provided with metal cap and protective layer; it is characterized in that: the external packets in link block (2) is covered with one deck screen (3); this screen (3) is connected with the screen of cable by lead, is provided with a layer insulating (4) in the outside of screen (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277537 CN2640087Y (en) | 2003-08-08 | 2003-08-08 | Communication cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277537 CN2640087Y (en) | 2003-08-08 | 2003-08-08 | Communication cable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2640087Y true CN2640087Y (en) | 2004-09-08 |
Family
ID=34302867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03277537 Expired - Fee Related CN2640087Y (en) | 2003-08-08 | 2003-08-08 | Communication cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2640087Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616993A (en) * | 2018-12-20 | 2019-04-12 | 科莱斯（天津）电热科技有限公司 | A kind of cable connecting arrangement and its installation method of separately installed formula |
-
2003
- 2003-08-08 CN CN 03277537 patent/CN2640087Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616993A (en) * | 2018-12-20 | 2019-04-12 | 科莱斯（天津）电热科技有限公司 | A kind of cable connecting arrangement and its installation method of separately installed formula |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |