CN207302672U - A kind of modified form mineral insulated cable - Google Patents
A kind of modified form mineral insulated cable Download PDFInfo
- Publication number
- CN207302672U CN207302672U CN201721181634.7U CN201721181634U CN207302672U CN 207302672 U CN207302672 U CN 207302672U CN 201721181634 U CN201721181634 U CN 201721181634U CN 207302672 U CN207302672 U CN 207302672U
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- core
- cable
- filled
- modified form
- outside
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Abstract
The utility model discloses a kind of modified form mineral insulated cable, including cable cover(ing), armouring tape, waterproof layer, cable filled layer, core and strengthen the components such as steel core, three cores are twisted centered on the reinforcement steel core, cable filled layer is filled between waterproof layer on the outside of core, armouring tape is wound with the outside of waterproof layer, cable cover(ing) is coated with the outside of armouring tape.This cable is used as cable cover(ing) and core crust using Ceramic silicon rubber material, make this cable that there is good fire resistance, and core is twisted using copper-clad aluminium conductive line, price is relatively low under conditions of cable performance is not influenced, and is equipped between three cores and strengthens steel core so that this cable is under harsh use condition, it can bear compared with strong pulling force and self gravitation, without being broken, preferable tensile strength both ensure that, while also ensure that cable has preferable flexibility.
Description
Technical field
Field of cables is the utility model is related to, more particularly, to a kind of modified form mineral insulated cable.
Background technology
Mineral insulated cable goes up century-old production, applicating history abroad, also there is nearly three ten years at home, its
Practical application of the performance after nearly ten thousand projects prove, as National Stadium (Bird's Nest), Grand National Theatre, the Chinese Central Television (CCTV),
The state keys such as Capital Airport new construction, Dongguan grand theater, Oriental Art Center or local key project；But since mineral are exhausted
Edge cable product structure never updates, and manufacturing process falls behind complexity, its conductor uses solid core copper bar, and sheath is drawing copper tubes, because
This, cable uses the easy moisture absorption of magnesia (MgO) powder, is brought much to installation and the making of terminal in rigidity, insulating materials
Difficulty, and mineral insulated cable is limited by manufacture craft, and cross-sectional area of conductor is small, and making length is short, and adverse circumstances construction damage
Copper sheath, install it is also cumbersome, influence cable operation and the service life.
Utility model content
The utility model is to overcome the above situation insufficient, it is desirable to provide a kind of technical solution that can be solved the above problems.
A kind of modified form mineral insulated cable, including cable cover(ing), armouring tape, waterproof layer, cable filled layer, core,
Strengthen steel core, core crust, mica tape, core filled layer, conducting wire, phlogopite paper, glass-fiber-fabric, polyethylene film, copper coating and aluminium
Core, is twisted three cores centered on the reinforcement steel core, is filled with cable filled layer between waterproof layer on the outside of core,
Armouring tape is wound with the outside of waterproof layer, cable cover(ing) is coated with the outside of armouring tape.
As further program of the utility model：The core includes core crust, mica tape, core filled layer and leads
Line, some wire strandings are filled with core filled layer, outside mica tape into a wires between the metal wire and mica tape
Side is coated with core crust.
As further program of the utility model：The core has three, the core crust coated on three cores
Respectively into red, yellow and green to distinguish.
As further program of the utility model：The mica tape includes phlogopite paper, glass-fiber-fabric and polyethylene film, institute
It is using phlogopite paper as base material to state mica tape, makees single-side reinforced material with glass-fiber-fabric, makees the three-in-one of water barrier with polyethylene film
Band.
As further program of the utility model：The conducting wire includes copper coating and aluminium core, and conducting wire is used as base using aluminium core
Material, is coated with copper coating on the outer surface of aluminium core, forms copper-clad aluminium conductive line.
As further program of the utility model：Cable cover(ing) and the core crust is all by Ceramic silicon rubber material
Material is made, and the cable filled layer and core filled layer are filled by magnesium oxide powder.
Compared with prior art, the beneficial effects of the utility model are：This cable is used as electricity using Ceramic silicon rubber material
Cable sheath and core crust, make this cable have good fire resistance, and are twisted core using copper-clad aluminium conductive line, in not shadow
Price is relatively low under conditions of ringing cable performance, is equipped between three cores and strengthens steel core so that this cable uses bar in harshness
It under part, can bear compared with strong pulling force and self gravitation, without being broken, both ensure that preferable tensile strength, while also protect
Card cable has preferable flexibility.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly by from following description
In become obvious, or recognized by the practice of the utility model.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structure diagram of modified form mineral insulated cable.
Fig. 2 is the structure diagram of the core of modified form mineral insulated cable.
Fig. 3 is the structure diagram of the mica tape of the core of modified form mineral insulated cable.
Fig. 4 is the structure diagram of the conducting wire of the core of modified form mineral insulated cable.
In figure：Cable cover(ing) 1, armouring tape 2, waterproof layer 3, cable filled layer 4, core 5, reinforcement steel core 6, core crust
51st, mica tape 52, core filled layer 53, conducting wire 54, phlogopite paper 521, glass-fiber-fabric 522, polyethylene film 523,541 and of copper coating
Aluminium core 542.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1~4, in the utility model embodiment, a kind of modified form mineral insulated cable, including cable cover(ing) 1,
Armouring tape 2, waterproof layer 3, cable filled layer 4, core 5, reinforcement steel core 6, core crust 51, mica tape 52, core filled layer
53rd, conducting wire 54, phlogopite paper 521, glass-fiber-fabric 522, polyethylene film 523, copper coating 541 and aluminium core 542, with the reinforcement steel core
Three cores 5 are twisted centered on 6, cable filled layer 4 is filled between the outside of core 5 and waterproof layer 3, in the outside of waterproof layer 3
Armouring tape 2 is wound with, cable cover(ing) 1 is coated with the outside of armouring tape 2.
The core 5 includes core crust 51, mica tape 52, core filled layer 53 and conducting wire 54, and some conducting wires 54 are twisted
Into a wires, core filled layer 53 is filled between the metal wire and mica tape 52, is coated with the outside of mica tape 52
Core crust 51.
The core 5 has three, the core crust 51 coated on three cores 5 respectively into red, yellow and green with
Distinguish.
The mica tape 52 includes phlogopite paper 521, glass-fiber-fabric 522 and polyethylene film 523, and the mica tape 52 is with gold
Mica paper 521 is base material, makees single-side reinforced material with glass-fiber-fabric 522, makees the three-in-one band of water barrier with polyethylene film 523.
The conducting wire 54 includes copper coating 541 and aluminium core 542, and conducting wire 54 is using aluminium core 542 as base material, in aluminium core 542
Copper coating 541 is coated with outer surface, forms copper-clad aluminium conductive line.
The cable cover(ing) 1 and core crust 51 are all made of Ceramic silicon rubber material, 4 He of cable filled layer
Core filled layer 53 is filled by magnesium oxide powder.
The operation principle of the utility model is：
Copper-clad aluminium conductive line as conducting wire 54 is while with good electric conductivity, weight of copper-clad aluminium conductive line itself
It is relatively light and cheap.The frequency of cable TV signal and mobile communication signal is very high, generally in 50~800MHz or so, by
In " kelvin effect ", high frequency electric is concentrated mainly on the superficial layer transmission of conductor, and aluminium also has good electric conductivity in itself
Can, thus replace fine copper or red copper to ensure the efficiency of transmission of cable using copper-coated aluminium composite material.Inside core 5 itself
Magnesium oxide powder is filled between core 5 and waterproof layer 3, good insulating effect can be played.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
1. a kind of modified form mineral insulated cable, including cable cover(ing) (1), armouring tape (2), waterproof layer (3), cable filled layer
(4), core (5) and reinforcement steel core (6), it is characterised in that three cores (5) are twisted centered on the reinforcement steel core (6),
Cable filled layer (4) is filled between waterproof layer (3) on the outside of core (5), armouring tape is wound with the outside of waterproof layer (3)
(2), it is coated with cable cover(ing) (1) on the outside of armouring tape (2).
2. modified form mineral insulated cable according to claim 1, it is characterised in that the core (5) is included outside core
Skin (51), mica tape (52), core filled layer (53) and conducting wire (54), some conducting wires (54) are twisted into a wires, at this
Core filled layer (53) is filled between metal wire and mica tape (52), core crust is coated with the outside of mica tape (52)
(51)。
3. the modified form mineral insulated cable according to claim 1 or claim 2, it is characterised in that the core (5)
There are three, the core crust (51) coated on three cores (5) is respectively into red, yellow and green to distinguish.
4. modified form mineral insulated cable according to claim 2, it is characterised in that the mica tape (52) includes golden cloud
Female paper (521), glass-fiber-fabric (522) and polyethylene film (523), the mica tape (52) are for base material with phlogopite paper (521), are used
Glass-fiber-fabric (522) makees single-side reinforced material, makees the three-in-one band of water barrier with polyethylene film (523).
5. modified form mineral insulated cable according to claim 2, it is characterised in that the conducting wire (54) includes copper coating
(541) and aluminium core (542), conducting wire (54) are coated with copper coating using aluminium core (542) as base material on the outer surface of aluminium core (542)
(541), copper-clad aluminium conductive line is formed.
6. the modified form mineral insulated cable according to claim 1 or claim 2, it is characterised in that the cable protection
Set (1) and core crust (51) are all made of Ceramic silicon rubber material, the cable filled layer (4) and core filled layer
(53) all it is to be filled by magnesium oxide powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721181634.7U CN207302672U (en) | 2017-09-15 | 2017-09-15 | A kind of modified form mineral insulated cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721181634.7U CN207302672U (en) | 2017-09-15 | 2017-09-15 | A kind of modified form mineral insulated cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207302672U true CN207302672U (en) | 2018-05-01 |
Family
ID=62441551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721181634.7U Expired - Fee Related CN207302672U (en) | 2017-09-15 | 2017-09-15 | A kind of modified form mineral insulated cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207302672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921209A (en) * | 2021-10-12 | 2022-01-11 | 宝胜科技创新股份有限公司 | Lapping method of three-in-one fire-resistant mica tape |
-
2017
- 2017-09-15 CN CN201721181634.7U patent/CN207302672U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921209A (en) * | 2021-10-12 | 2022-01-11 | 宝胜科技创新股份有限公司 | Lapping method of three-in-one fire-resistant mica tape |
| CN113921209B (en) * | 2021-10-12 | 2024-02-20 | 宝胜科技创新股份有限公司 | Overlap joint method of three-in-one fire-resistant mica tape |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213111 No. 10, Heng'an Road, industrial concentration zone, Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Yirun Cable Co.,Ltd. Address before: 213000 Industrial Concentration Zone of Zhenglu Town, Tianning District, Changzhou City, Jiangsu Province Patentee before: YIRUN CABLE (CHANGZHOU) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 |