CN207149284U - A kind of environment-friendly cable of service life length - Google Patents
A kind of environment-friendly cable of service life length Download PDFInfo
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- CN207149284U CN207149284U CN201720991357.XU CN201720991357U CN207149284U CN 207149284 U CN207149284 U CN 207149284U CN 201720991357 U CN201720991357 U CN 201720991357U CN 207149284 U CN207149284 U CN 207149284U
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Abstract
The utility model discloses a kind of environment-friendly cable of service life length, clad including cable and in cable, wherein clad includes outer layer and integument, outer layer covers are in cable outermost layer, outer layer is nested inside with metal shield, metal shield is nested inside with outer semiconductor layer, nested insulating bag covering layer and inner semiconductor layer successively inside outer semiconductor layer, inside conductor cores break-through inner semiconductor layer, and conductor cores outer face is provided with several grooves, some optical fiber are provided with groove, conductor cores are internally provided with limitation thermal contraction core, integument is wrapped in limitation thermal contraction core outer face；The utility model realizes electric conductivity layer by layer of the present utility model by the outer semiconductor layer and inner semiconductor layer of setting, improve operating efficiency of the present utility model, the electricity between outer semiconductor layer and interior semiconductor is prevented to react by insulating bag covering layer, to prevent unnecessary dangerous generation, and the utility model is green, cost is low.
Description
Technical field
Cable field is the utility model is related to, specially a kind of environment-friendly cable of service life length.
Background technology
Now, from economic cause and reduce cost consideration, using the polymer production new product obtained from waste materials can
Energy property is the problem of becoming more and more important.In field of cables, some effort have been carried out to use the polymeric material of recovery, especially
It is the polyvinyl chloride or ethene polymers obtained from cable waste sheath.The polymeric material of the recovery is commonly used to prepare cable
Clad.
However, the use of recovery polymer may show some shortcomings.Especially, with obtaining from new polymeric material
Those clads are compared, and the use of recycle polyethylene may provide the mechanical performance with difference, particularly fracture strength and fracture
Elongation, and the clad of the environmental stress cracking resistance of difference.Moreover, the clad may show the outward appearance of difference, it is main
If due to the formation of the defect on their surfaces, such as small caking, this not only influences their outward appearance and smoothness, and
Reduce their mechanical performance.Disadvantages mentioned above is probably due to agent of the polyethylene in long-time in sunlight and air
And/or the polyethylene undergone reprocessing when Partial digestion, this degraded causes mechanical performance and processing characteristics to degenerate.
Utility model content
The purpose of this utility model is to provide a kind of environment-friendly cable of service life length, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides following technical scheme：A kind of environment-friendly cable of service life length,
Clad including cable and in cable, wherein clad include outer layer and integument, outer layer covers in cable outermost layer,
Outer layer is nested inside with metal shield, and metal shield is nested inside with outer semiconductor layer, embedding successively inside outer semiconductor layer
Cover insulating bag covering layer and inner semiconductor layer, inside conductor cores break-through inner semiconductor layer, and to be provided with several recessed for body core outer face
Groove, some optical fiber are provided with groove, conductor cores are internally provided with limitation thermal contraction core, and integument is wrapped in limitation thermal contraction
Core outer face.
Preferably, packing material is filled between inner semiconductor layer and conductor cores, and packing material is by antimony oxide
Manufactured fire proofing, can not only prevent internal temperature is too high to cause interior arrangement spontaneous combustion, water when can also prevent cracking
Longitudinal diffusion.
Preferably, the first polyethylene layer, the second polyethylene layer and silica aerogel layer are provided with inside outer layer and integument, wherein
First polyethylene layer is made of LLDPE, and the second polyethylene layer is made of waste materials polyethylene.
Preferably, metal shield is twist to wind the wire twisted together, the preferred copper wire of wire or
Aluminium wire, while electric action is arrived in realization, shield external interference signals.
Preferably, outer layer inner face is attached with stretching enhancement layer, and stretch enhancement layer be made of aromatic polyamide fibre,
Strengthen the degree of drawing of outer layer, prevention cable issues the reaction such as raw rising-heat contracting-cold in the change of external temperature.
Compared with prior art, the beneficial effects of the utility model are：
1st, the clad that the utility model is set, including outer layer and integument, the polyethylene derived from waste materials, are particularly
From the polyethylene of useless agricultural film, especially, at least one density is added into the polyethylene of recovery higher than 0.940g/cm3's
Polyethylene, covering material the shortcomings that can overcoming bad mechanical property and short service life can be obtained.In fact, the cladding material
Material can be advantageously used to produce the clad of cable, and the clad shows the machine suitable with the clad obtained from new polyethylene
Tool performance (particularly fracture strength and elongation at break).In addition, the clad shows good resistance to hot pressing.In addition,
Relative to the clad individually obtained from the polyethylene of recovery, the clad shows improved environmental stress crack resistance,
Not only realize that the convenient material drawing of production material is low with cost, and substantially prolongs the service life of device, realize device
It is green.
2nd, the utility model is realized of the present utility model conductive layer by layer by the outer semiconductor layer and inner semiconductor layer of setting
Property, operating efficiency of the present utility model is improved, prevents the electricity between outer semiconductor layer and interior semiconductor anti-by insulating bag covering layer
Should, to prevent unnecessary dangerous generation.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model positive structure schematic.
In figure：1- cables；2- metal shields；3- outer semiconductor layers；4- insulating bag covering layers；5- inner semiconductor layers；6- is led
Body core；7- optical fiber；8- packing materials；9- limits thermal contraction core；10- integuments；11- outer layers；12- grooves.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of environment-friendly cable of service life length, bag
Cable 1 and the clad in cable 1 are included, wherein clad includes outer layer 11 and integument 10, and outer layer 11 is wrapped in cable 1
Outermost layer, outer layer 11 are nested inside with metal shield 2, and metal shield 2 is nested inside with outer semiconductor layer 3, outer semiconductor
Nested insulating bag covering layer 4 and inner semiconductor layer 5 successively inside layer 3, inside the break-through inner semiconductor layer 5 of conductor cores 6, and conductor cores 6
Outer face is provided with several grooves 12, and some optical fiber 7 are provided with groove 12, and conductor cores 6 are internally provided with limitation heat and received
Contracting core 9, integument 10 are wrapped in the outer face of limitation thermal contraction core 9.
Packing material 8 is filled between inner semiconductor layer 5 and conductor cores 6, and packing material 8 is made up of antimony oxide
Fire proofing, can not only prevent internal temperature is too high to cause interior arrangement spontaneous combustion, water is vertical when can also prevent cracking
To diffusion, the first polyethylene layer, the second polyethylene layer and silica aerogel layer are provided with inside outer layer 11 and integument 10, wherein first
Polyethylene layer is made of LLDPE, and the second polyethylene layer is made of waste materials polyethylene, realizes bag
Clad material it is green and inexpensive the advantages of, metal shield 2 is twist to wind the wire twisted together,
The preferred copper wire of wire or aluminium wire, while electric action is arrived in realization, shield external interference signals, the attachment of the inner face of outer layer 11
There is stretching enhancement layer, and it is the degree of drawing for strengthening outer layer 11 made of aromatic polyamide fibre to stretch enhancement layer, prevents cable 1
The reaction such as raw rising-heat contracting-cold is issued in the change of external temperature.
Operation principle：The utility model is a kind of environment-friendly cable of service life length, main including support bar 1 and antitheft
System body 2, unclamped first from outside feed reel in production and application and include at least one conductor cores 5, and by conductor cores 5
It is transported to the extruder head of given extruder；First polyethylene of the clad for forming cable and the second polyethylene are fed to extrusion
Machine；The step of being melted in extruder and mixing the first and second polyethylene, then filters the mixture of acquisition, and will filtering
Mixture afterwards is conveyed into extruder head, and the clad being achieved in that is arranged on around conductor cores 6 here；Cooling so production
Cable, finally by finished cable collect on reel.
The preparation method of wherein the second polythene material is as follows：
(a) impurity (such as metal, paper etc.) being optionally present in waste materials is sorted out (for example, by the way that the waste materials are entered
Expect on conveyer belt, and sort out the impurity by hand)；
(b) the waste materials charging [for example, same conveyor belt by being used in step (a)] obtained in step (a) is arrived
In grinding machine, average diameter typically about 0.1cm~about 2.0cm fragment is obtained；
(c) fragment obtained in step (b) and filtering is washed with water, to discard the impurity that density is higher than 1kg/l；
(d) with the fragment (such as in drying device) obtained in dry warm air drying steps (c)；
(e) the drying fragment obtained in step (d) is fed in extrusion device, the extrusion device include a cavity and
At least one screw rod being rotatably mounted in the cavity, the cavity comprise at least a feed hopper and a discharging
Mouthful；
(f) melt and mix the fragment, obtain uniform mixture；
(g) homogeneous mixture obtained in step (f) is filtered and is granulated, obtain the product in finely divided form；
(h) product (such as being cooled down in water) in finely divided form obtained in cooling step (g)；
(i) with the cooled product (such as in drying device) obtained in dry warm air drying steps (h).
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
- A kind of 1. environment-friendly cable of service life length, it is characterised in that；Including cable（1）With positioned at cable（1）In cladding Layer, wherein clad includes outer layer（11）And integument（10）, outer layer（11）It is wrapped in cable（1）Outermost layer, outer layer（11）It is interior Portion is nested with metal shield（2）, metal shield（2）It is nested inside with outer semiconductor layer（3）, outer semiconductor layer（3）It is internal Nested insulating bag covering layer successively（4）And inner semiconductor layer（5）, conductor cores（6）Break-through inner semiconductor layer（5）Inside, and conductor cores （6）Outer face is provided with several grooves（12）, groove（12）Inside it is provided with some optical fiber（7）, conductor cores（6）Inside is set Restricted thermal contraction core（9）, integument（10）It is wrapped in limitation thermal contraction core（9）Outer face.
- A kind of 2. environment-friendly cable of service life length according to claim 1, it is characterised in that：Inner semiconductor layer（5） With conductor cores（6）Between be filled with packing material（8）, and packing material（8）It is the fire proofing made of antimony oxide.
- A kind of 3. environment-friendly cable of service life length according to claim 1, it is characterised in that：Outer layer（11）And parcel Layer（10）Inside is provided with the first polyethylene layer, the second polyethylene layer and silica aerogel layer, wherein the first polyethylene layer is by linear Made of low density polyethylene (LDPE), the second polyethylene layer is made of waste materials polyethylene.
- A kind of 4. environment-friendly cable of service life length according to claim 1, it is characterised in that：Metal shield（2） It is twist to wind the wire twisted together.
- A kind of 5. environment-friendly cable of service life length according to claim 1, it is characterised in that：Outer layer（11）Inner face Stretching enhancement layer is attached with, and it is made of aromatic polyamide fibre to stretch enhancement layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720991357.XU CN207149284U (en) | 2017-08-09 | 2017-08-09 | A kind of environment-friendly cable of service life length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720991357.XU CN207149284U (en) | 2017-08-09 | 2017-08-09 | A kind of environment-friendly cable of service life length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207149284U true CN207149284U (en) | 2018-03-27 |
Family
ID=61666126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720991357.XU Expired - Fee Related CN207149284U (en) | 2017-08-09 | 2017-08-09 | A kind of environment-friendly cable of service life length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207149284U (en) |
-
2017
- 2017-08-09 CN CN201720991357.XU patent/CN207149284U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20210809 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |