CN206601991U - A kind of signal cable of advantages of good shielding performance - Google Patents
A kind of signal cable of advantages of good shielding performance Download PDFInfo
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- CN206601991U CN206601991U CN201720195764.XU CN201720195764U CN206601991U CN 206601991 U CN206601991 U CN 206601991U CN 201720195764 U CN201720195764 U CN 201720195764U CN 206601991 U CN206601991 U CN 206601991U
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- signal cable
- shielding performance
- good shielding
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Abstract
The utility model is a kind of signal cable of advantages of good shielding performance, including two mutually stranded identical cores, it is characterized in that, the core is sequentially provided with conductor, inner insulating layer, internal shield from inside to outside, lapping layer, enhancement layer, external shielding layer, restrictive coating are sequentially provided with outside both threads core from inside to outside, filler is filled between lapping layer and internal shield.Preferably, conductor is formed by many thin copper wires are stranded.Preferably, inner insulating layer material is cross-linked polyethylene insulating material.Preferably, the internal shield is the cobalt alloy belt of high permeability.Preferably, provided with a cobalt alloy line between inner insulating layer and screen layer.Preferably, lapping layer is formed by plastic-aluminum combined Transposed wind, and enhancement layer is formed by aramid fiber braiding, and restrictive coating is formed or is made of modified polyurethane (TPU) protective cover material using expanded microporous polytetra fluoroethylene-EPTEE raw material band is wrapped.Preferably, external shielding layer is formed using serpentine self-locking steel band is mutually wrapped successively.
Description
Technical field
The utility model is related to signal cable technical field, more particularly to a kind of signal cable of advantages of good shielding performance.
Background technology
Signal cable is widely used in the technical fields such as space flight, navigation, traffic, wants to ensure the smooth operation of equipment, letter
The signal transmission capabilities of number cable are most important, and the good premise of its transmittability is superior screening ability.But, it is existing
Signal cable can not still reach good usage experience in the combination property performance of the above.Accordingly, it would be desirable to technically do
Go out to improve.
Utility model content
The utility model aims to solve the problem that the deficiencies in the prior art, and provides a kind of signal cable of advantages of good shielding performance.
The utility model to achieve the above object, using following technical scheme：
A kind of signal cable of described advantages of good shielding performance, including two mutually stranded identical cores, it is characterised in that institute
State core be sequentially provided with from inside to outside outside conductor, inner insulating layer, internal shield, both threads core be sequentially provided with from inside to outside it is wrapped
Layer, enhancement layer, external shielding layer, restrictive coating, are filled with filler between lapping layer and internal shield.
Preferably, conductor is formed by many thin copper wires are stranded.
Preferably, inner insulating layer material is cross-linked polyethylene insulating material.
Preferably, the internal shield is the cobalt alloy belt of high permeability.
Preferably, provided with a cobalt alloy line between inner insulating layer and screen layer.
Preferably, lapping layer is formed by plastic-aluminum combined Transposed wind, and enhancement layer is formed by aramid fiber braiding, and restrictive coating is using micro-
Hole polytetrafluoroethylraw raw material band is wrapped to be formed or is made of modified polyurethane (TPU) protective cover material.
Preferably, external shielding layer is formed using serpentine self-locking steel band is mutually wrapped successively.
Preferably, longitudinally it is provided with copper cash aerial drainage line along external shielding layer madial wall.
Preferably, it is additionally provided with carrying core between the both threads core.
Preferably, filler is polypropylene gasket for packing.
The beneficial effects of the utility model are：The utility model is provided with internal shield and external shielding layer so that between core
Signal interference and the electromagnetic interference of outer bound pair core be shielded effectively, the setting of cobalt alloy line causes internal shield shielding effect
More preferably, on the one hand the setting of copper cash aerial drainage line adds electrical shielding performance to fruit, on the other hand can be ground connection in work progress
Lead is connected on copper cash aerial drainage line, greatly simplifies construction technology, reduces expense, while the reliability of external shielding layer ground connection is improved,
The ground connection for being cable shield in work progress provides convenient.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of serpentine self-locking steel band.
In figure：1- conductors；2- inner insulating layers；3- internal shields；4- cobalt alloy lines；5- carries core；6- fillers；7- is wrapped
Layer；8- enhancement layers；9- external shielding layers；10- restrictive coatings；11- copper cash aerial drainage lines.
It is described in detail referring to the drawings below with reference to embodiment of the present utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
As illustrated in fig. 1 and 2, a kind of signal cable of advantages of good shielding performance, including two mutually stranded identical cores, its feature
It is, the core is sequentially provided with outside conductor 1, inner insulating layer 2, internal shield 3, both threads core from inside to outside successively from inside to outside
Provided with lapping layer 7, enhancement layer 8, external shielding layer 9, restrictive coating 10, filler 6 is filled between lapping layer 7 and internal shield 3.
Preferably, conductor 1 is formed by many thin copper wires are stranded so that the pliability of conductor 1 is more preferable.
Preferably, the material of inner insulating layer 2 is cross-linked polyethylene insulating material, with preferable flexibility and Environmental.
Preferably, the internal shield 3 is the cobalt alloy belt of high permeability, and internal shield 3 prevents mutual between core
Interference so that signal cable anti-electromagnetic interference capability is greatly enhanced.
Preferably, provided with a cobalt alloy line 4 between inner insulating layer 2 and screen layer 3 so that shielding properties is further carried
Rise.
Preferably, lapping layer 7 is formed by plastic-aluminum combined Transposed wind, and enhancement layer 8 is formed by aramid fiber braiding, and restrictive coating 10 is adopted
Formed or be made of modified polyurethane (TPU) protective cover material with expanded microporous polytetra fluoroethylene-EPTEE raw material band is wrapped so that restrictive coating is soft
It is soft more preferable.
Preferably, external shielding layer 9 is using the serpentine self-locking steel band mutually bendability for forming, improving cable wrapped successively
Can, the bending radius of cable is reduced, while improving the lateral pressure resistant ability of cable.
Preferably, copper cash aerial drainage line 11 is longitudinally provided with along the madial wall of external shielding layer 9, on the one hand adds electrical shielding performance,
On the other hand ground lead can be connected on copper cash aerial drainage line 11 in work progress, greatly simplifies construction technology, reduction takes
With while improving the reliability that external shielding layer 9 is grounded, the ground connection for being cable shield in work progress, which provides, to be facilitated.
Preferably, carrying core 5 is additionally provided between the both threads core, increases cable tensile capacity.
Preferably, filler 6 is polypropylene gasket for packing.
The utility model is exemplarily described above in conjunction with accompanying drawing, it is clear that the utility model implement not by
The limitation of aforesaid way, if the various improvement that method design of the present utility model and technical scheme are carried out are employed, or without
Improvement directly applies to other occasions, within protection domain of the present utility model.
Claims (10)
1. a kind of signal cable of advantages of good shielding performance, including two mutually stranded identical cores, it is characterised in that the core by
Be sequentially provided with from inside to outside outside conductor (1), inner insulating layer (2), internal shield (3), both threads core be sequentially provided with from inside to outside it is wrapped
Layer (7), enhancement layer (8), external shielding layer (9), restrictive coating (10), are filled with filler between lapping layer (7) and internal shield (3)
(6)。
2. the signal cable of a kind of advantages of good shielding performance according to claim 1, it is characterised in that conductor (1) is thin by many
Copper wire is stranded to be formed.
3. a kind of signal cable of advantages of good shielding performance according to claim 1 or 2, it is characterised in that inner insulating layer (2) material
Matter is cross-linked polyethylene insulating material.
4. a kind of signal cable of advantages of good shielding performance according to claim 3, it is characterised in that the internal shield (3)
For the cobalt alloy belt of high permeability.
5. the signal cable of a kind of advantages of good shielding performance according to claim 4, it is characterised in that inner insulating layer (2) and screen
Cover between layer (3) provided with a cobalt alloy line (4).
6. the signal cable of a kind of advantages of good shielding performance according to claim 5, it is characterised in that lapping layer (7) is by plastic-aluminum
Laminated film is wrapped to be formed, enhancement layer (8) by aramid fiber braiding form, restrictive coating (10) using expanded microporous polytetra fluoroethylene-EPTEE raw material band around
Bag is formed or is made of modified polyurethane (TPU) protective cover material.
7. the signal cable of a kind of advantages of good shielding performance according to claim 6, it is characterised in that external shielding layer (9) is used
Serpentine self-locking steel band is mutually wrapped successively to be formed.
8. the signal cable of a kind of advantages of good shielding performance according to claim 7, it is characterised in that in along external shielding layer (9)
Side wall is longitudinally provided with copper cash aerial drainage line (11).
9. according to a kind of signal cable of advantages of good shielding performance any one of in claim 1,2,4,5,6,7,8, it is special
Levy and be, carrying core (5) is additionally provided between the both threads core.
10. the signal cable of a kind of advantages of good shielding performance according to claim 9, it is characterised in that filler (6) is poly- third
Alkene gasket for packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195764.XU CN206601991U (en) | 2017-03-02 | 2017-03-02 | A kind of signal cable of advantages of good shielding performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195764.XU CN206601991U (en) | 2017-03-02 | 2017-03-02 | A kind of signal cable of advantages of good shielding performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206601991U true CN206601991U (en) | 2017-10-31 |
Family
ID=60147285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720195764.XU Active CN206601991U (en) | 2017-03-02 | 2017-03-02 | A kind of signal cable of advantages of good shielding performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206601991U (en) |
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2017
- 2017-03-02 CN CN201720195764.XU patent/CN206601991U/en active Active
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