CN204667995U - A kind of low cost shielded cable - Google Patents
A kind of low cost shielded cable Download PDFInfo
- Publication number
- CN204667995U CN204667995U CN201520075777.4U CN201520075777U CN204667995U CN 204667995 U CN204667995 U CN 204667995U CN 201520075777 U CN201520075777 U CN 201520075777U CN 204667995 U CN204667995 U CN 204667995U
- Authority
- CN
- China
- Prior art keywords
- shielding layer
- layer
- foil shielding
- cable
- shielded
- 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.)
- Active
Links
Landscapes
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The utility model discloses a kind of low cost shielded cable, it sheath comprising cable core, wrap up the screen of described cable core and be wrapped in outside described screen, described screen comprises ground floor foil shielding layer and second layer foil shielding layer.Shielded type cable in the utility model is the shielded type cable of a kind of pair of aluminum foil shielded, it adopts two-layer aluminum foil shielded, the advantages such as shielding properties is excellent, production efficiency is high, density is little, lightweight, cost is low, outer diameter of cable is little, easy construction, both reduce manufacture and laid down cost, again save natural resources.
Description
Technical field
The utility model belongs to communication technical field, relates to a kind of shielded type cable, is specifically related to a kind of low cost shielded cable.
Background technology
Cable for transmission of electric signals comprises two kinds, and a kind of is universal coaxial cable, coaxial cable generally include by insulator around electric lead; Another kind is universal shielded type cable, shielded type cable generally by one or more screen formed by metal forming round insulating signal conductor.
The screen of a large amount of shielded communication cable used is made up of one deck foil shielding layer and one deck proof copper-wire braided screen at present, but, along with sharp rising of World Copper valency, improve the production cost of shielded communication cable, and the technique of woven shield is comparatively complicated, slowly, the cost that above reason causes the communications industry to face is high, profit is thin, the present situation of resource scarcity for speed of production, and a lot of communication research institute and manufacturing enterprise are all putting forth effort to solve this difficult problem.Therefore, now will under the prerequisite of transmission performance meeting telecommunication cable, for reducing costs and a kind of shielded type cable by two-layer aluminum foil shielded developed.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of low cost shielded cable, it is bigger than normal by braid shielded outer diameter of cable that this shielded type cable not only solves tradition well, the shortcoming that production efficiency is low, but also there is features such as saving copper resource, production efficiency are high, advantages of good shielding performance.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of low cost shielded cable, it sheath comprising cable core, wrap up the screen of described cable core and be wrapped in outside described screen, described screen comprises ground floor foil shielding layer and second layer foil shielding layer.
In a preferred embodiment of the present utility model, comprise further, described ground floor foil shielding layer and second layer foil shielding layer are one side aluminium foil.
In a preferred embodiment of the present utility model, comprise further, the aluminium of described ground floor foil shielding layer towards outward, the aluminium face described cable core dorsad of described ground floor foil shielding layer; The aluminium of described second layer foil shielding layer is towards interior, and the aluminium of described second layer foil shielding layer is facing to described cable core.
In a preferred embodiment of the present utility model, comprise further, between described ground floor foil shielding layer and second layer foil shielding layer, be provided with drain wire.
In a preferred embodiment of the present utility model, comprise further, described drain wire to be arranged between described ground floor foil shielding layer and second layer foil shielding layer axially, and described second layer foil shielding layer is wrapped in the periphery of described drain wire.
In a preferred embodiment of the present utility model, comprise further, described sheath is wrapped up in the periphery of described second layer foil shielding layer.
The beneficial effects of the utility model are:
One, the utility model adopt foil shielding layer to replace woven shield, while meeting communications performance, reduce the production cost of shielded type cable, and have saved valuable natural resources.
Two, the utility model dual-layer, single-sided aluminum foil shielded, its shielding properties is not worse than the cable that one deck aluminum foil shielded adds one deck braid shielded, meets the requirement of shielded cable to shielding properties completely.
Three, one side aluminum foil thickness of the present utility model is less than the thickness of braided wires shielding, under equal conditions, reduces the outside diameter of cable.
Four, the utility model adopts aluminium as screen, and the density of aluminium is only 30% of copper, the weight ratio bare copper wire of one side foil shielding layer or the much lightweight of tinned wird woven shield, for transport saves a lot of expense; Metallic aluminium has improved flexibility, makes mounting and installation more convenient.
Shielded type cable five, in the utility model uses aluminum foil shielded to replace braid shielded, faster than the speed of production of braided shield cable, and the efficiency of production is high, and the technology of production is also comparatively simple.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is cross section structure schematic diagram of the present utility model.
1-cable core, 2-first screen, 3-drain wire, 4-secondary shielding layer, 5-sheath.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
A kind of low cost shielded cable is disclosed in the present embodiment, the cross section structure of cable as shown in fig. 1, it mainly comprises cable core 1, wraps up the screen of above-mentioned cable core and is wrapped in the sheath 5 outside above-mentioned screen, wherein, above-mentioned screen comprises ground floor foil shielding layer 2 and second layer foil shielding layer 4.
In the present embodiment, in order to improve the lightning protection properties of above-mentioned shielded type cable, one deck drain wire 3 is provided with between above-mentioned ground floor foil shielding layer 2 and second layer foil shielding layer 4, their Structural assignments mode is: above-mentioned ground floor foil shielding layer 2 is wrapped in the periphery of above-mentioned cable core 1, drain wire 3 is axially provided with between ground floor foil shielding layer 2 and second layer foil shielding layer, drain wire 3 periphery is enclosed with second layer foil shielding layer 4, and above-mentioned sheath 5 is wrapped up in the periphery of above-mentioned second layer foil shielding layer 4.
In the present embodiment, above-mentioned ground floor foil shielding layer 2 and second layer foil shielding layer 4 are one side aluminium foil, and it is aluminium face that one side aluminium foil to be in this area conventional one side, and another side is insulating surfaces, the one side only had can aluminium foil.
The occupation mode of above-mentioned ground floor foil shielding layer 2 and second layer foil shielding layer 4 is: the aluminium of above-mentioned ground floor foil shielding layer 2 towards outward, i.e. the aluminium face of above-mentioned ground floor foil shielding layer 2 above-mentioned cable core 1 dorsad; The aluminium of above-mentioned second layer foil shielding layer 4 is towards interior, and namely the aluminium of above-mentioned second layer foil shielding layer 4 is facing to above-mentioned cable core 1.
The two-layer screen of shielded type cable of the present utility model all adopts foil shielding layer, namely instead of original proof copper-wire braided screen with foil shielding layer, prove through overtesting, adopt the shielded type cable of double-layer aluminum-foil screen in communications performance and shielding properties, be not all worse than the cable adding one deck braid shielded in one deck aluminum foil shielded, it can meet the requirement of this shielded type cable to shielding properties completely, and reduce the use of copper, reduce the production cost of shielded type cable, save copper resource.
The thickness of the one side aluminium foil of above-mentioned use is less than the thickness of traditional copper wire woven silk shielding, namely under equal conditions, reduce the external diameter of cable, and the density of aluminium is only 30% of copper, the weight ratio bare copper wire of one side foil shielding layer or the much lightweight of tinned wird woven shield, for transport saves a lot of expense; And metallic aluminium has improved flexibility, make mounting and installation more convenient.
Shielded type cable of the present utility model, from production technology, uses aluminum foil shielded to replace braid shielded, faster than the speed of production of braided shield cable, and the efficiency of production is high, and the technology of production is also comparatively simple.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (4)
1. a low cost shielded cable, it sheath comprising cable core, wrap up the screen of described cable core and be wrapped in outside described screen, is characterized in that, described screen comprises ground floor foil shielding layer and second layer foil shielding layer; Described ground floor foil shielding layer and second layer foil shielding layer are one side aluminium foil, the aluminium of described ground floor foil shielding layer towards outward, the aluminium face described cable core dorsad of described ground floor foil shielding layer; The aluminium of described second layer foil shielding layer is towards interior, and the aluminium of described second layer foil shielding layer is facing to described cable core.
2. a kind of low cost shielded cable according to claim 1, is characterized in that, is provided with drain wire between described ground floor foil shielding layer and second layer foil shielding layer.
3. a kind of low cost shielded cable according to claim 2, it is characterized in that, described ground floor foil shielding layer is wrapped in the periphery of described cable core, described drain wire to be arranged between described ground floor foil shielding layer and second layer foil shielding layer axially, and described second layer foil shielding layer is wrapped in the periphery of described drain wire.
4. a kind of low cost shielded cable according to claim 3, is characterized in that, the periphery of described second layer foil shielding layer is wrapped in described sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520075777.4U CN204667995U (en) | 2015-02-03 | 2015-02-03 | A kind of low cost shielded cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520075777.4U CN204667995U (en) | 2015-02-03 | 2015-02-03 | A kind of low cost shielded cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204667995U true CN204667995U (en) | 2015-09-23 |
Family
ID=54138355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520075777.4U Active CN204667995U (en) | 2015-02-03 | 2015-02-03 | A kind of low cost shielded cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204667995U (en) |
-
2015
- 2015-02-03 CN CN201520075777.4U patent/CN204667995U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203480916U (en) | Super-shielding explosion-proof cable | |
| CN202549475U (en) | Metallic shielded power cable | |
| CN204480707U (en) | A kind of copper moulds nickel strap armouring second propylene sheath motor jump lead | |
| CN204480708U (en) | A kind of zinc-plated copper strips armouring shield sheath cable | |
| CN204667995U (en) | A kind of low cost shielded cable | |
| CN213123819U (en) | Multi-core cable | |
| CN211578425U (en) | Anti-interference connecting cable | |
| CN204991185U (en) | Communication cable for aerospace | |
| CN203055538U (en) | Aluminium alloy high-temperature resistant frequency conversion power cable | |
| CN204215782U (en) | Low pressure aluminium alloy molded line conductor interlocking armoured power cable | |
| CN204516399U (en) | A kind of Low emissivity flat cable | |
| CN201489873U (en) | Frequency converter soft cable suitable for 1,000V and lower than 1,000V for ships and warships | |
| CN204966138U (en) | Fire - retardant insulation stable form industrial cable | |
| CN204303401U (en) | Novel cable structure | |
| CN204577148U (en) | High connductivity armouring foamed cable | |
| CN220324171U (en) | Industrial sensor cable | |
| CN213781677U (en) | Double-layer shielding high-speed transmission cable | |
| CN202563966U (en) | Low voltage cable special for frequency converter | |
| CN202796238U (en) | Inner shielding communication cable | |
| CN203536071U (en) | Optical fiber composite variable-frequency cable | |
| CN203520907U (en) | Butyronitrile insulating special cable resistant to low temperature | |
| CN203480877U (en) | Frequency conversion cable | |
| CN210837218U (en) | Large-capacitance cable | |
| CN211828241U (en) | Low-capacitance cable for connection of measuring system | |
| CN202940061U (en) | Anti-electromagnetic interference cable used for communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |