CN208351974U - A kind of resistance to nuclear radiation high temperature-resistant cable - Google Patents
A kind of resistance to nuclear radiation high temperature-resistant cable Download PDFInfo
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- CN208351974U CN208351974U CN201820813363.0U CN201820813363U CN208351974U CN 208351974 U CN208351974 U CN 208351974U CN 201820813363 U CN201820813363 U CN 201820813363U CN 208351974 U CN208351974 U CN 208351974U
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- high temperature
- radiation
- nuclear radiation
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Abstract
The utility model is suitable for field of cable technology, provide a kind of high temperature-resistant cable of resistance to nuclear radiation, including core, the core is constituted by single conductor or by more conductor concentric strandings, the core is disposed with insulating layer from inside to outside, first radiation protective layer, shielded layer, second radiation protective layer and restrictive coating, first radiation protective layer and second radiation protective layer include polytetrafluoroethylene ethylene layer and the glass layer that is woven on the outside of the polytetrafluoroethylene ethylene layer, the polytetrafluoroethylene ethylene layer is interlocked wrapped constitute by two layers of polytetrafluoroethylene film, the surface of each polytetrafluoroethylene film has multiple salient points, the glass layer dip-coating has silicone resin.A kind of resistance to nuclear radiation high temperature-resistant cable provided by the utility model remains to effectively play a role with stronger resistance to nuclear radiation and high heat-insulating capability under nuclear radiation and the impact of 500 DEG C of high temperature, works normally.
Description
Technical field
The utility model belongs to field of cable technology more particularly to a kind of high temperature-resistant cable of resistance to nuclear radiation.
Background technique
In recent years, domestic nuclear power is fast-developing and mating wires and cables industry is caused greatly to be paid close attention to, due to nuclear power station work
The reason of making environment, does not have the requirement of nuclear cables, and cables of nuclear power needs to possess preferable radiation hardness and energy resistant to high temperatures
Power, to ensure the operation stability of nuclear power station.
Utility model content
The purpose of the utility model is to overcome above-mentioned the deficiencies in the prior art, and it is resistant to high temperature to provide a kind of resistance to nuclear radiation
Cable remains to effective with stronger resistance to nuclear radiation and high heat-insulating capability under nuclear radiation and the impact of 500 DEG C of high temperature
It plays a role, works normally.
The technical solution of the utility model is: a kind of resistance to nuclear radiation high temperature-resistant cable, including core, the core is by single
Conductor is made of more conductor concentric strandings, and the core is disposed with insulating layer, the first radiation protective layer, screen from inside to outside
Layer, the second radiation protective layer and restrictive coating are covered, first radiation protective layer and second radiation protective layer include polytetrafluoroethylene (PTFE)
Layer and the glass layer being woven on the outside of the polytetrafluoroethylene ethylene layer, the polytetrafluoroethylene ethylene layer are thin by two layers of polytetrafluoroethylene (PTFE)
Film interlocks wrapped composition, and the surface of each polytetrafluoroethylene film has multiple salient points, and the glass layer dip-coating has silicon
Resin.
Specifically, the conductor is the tinned copper wire that diameter is 0.07mm-0.3mm.
Specifically, the thickness of first radiation protective layer and second radiation protective layer is the 10%- of cable size
20%.
Specifically, 30 ° -40 ° of the wrapping angle of each polytetrafluoroethylene film, each polytetrafluoroethylene film are wrapped
Overlap rate 25%-40%.
Specifically, mica layer is filled between the insulating layer and first radiation protective layer.
Specifically, the shielded layer is proof copper-wire braided net or galvanized steel wire netting.
Specifically, the restrictive coating is low smoke and zero halogen crosslinked insulating material.
Specifically, anticorrosive coating is coated with outside the restrictive coating.
A kind of resistance to nuclear radiation cable resistant to high temperature provided by the utility model, is designed using multi-layer compound structure, is passed through
It is equipped with radiation protective layer in core peripheral hardware, it is according to the material property of polytetrafluoroethylene film and glass fibre, polytetrafluoroethylene (PTFE) is thin
Film and glass fibre are combined together, and improve the ability that cable bears nuclear radiation and 500 DEG C of high temperature impacts, and enhancing cable uses
Reliability, and cable internal structure is effectively protected, prevents electricity as restrictive coating by using low smoke and zero halogen crosslinked insulating material
Cable suffers erosion, and the smokescope of low smoke and zero halogen crosslinked insulating material burning release is low and nontoxic when a fire, is conducive to fire
Calamity rescue and personnel escape.Its high pressure resistant resistance to nuclear radiation, good insulating.
Detailed description of the invention
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is in a kind of high temperature-resistant cable of resistance to nuclear radiation provided by the embodiment of the utility model by more conductor concentric strandings
Constitute the cross-sectional structure schematic diagram of core；
Fig. 2 is that single conductor constitutes core in a kind of high temperature-resistant cable of resistance to nuclear radiation provided by the embodiment of the utility model
Cross-sectional structure schematic diagram；
Fig. 3 is the cross-sectional view of radiation protective layer in a kind of high temperature-resistant cable of resistance to nuclear radiation provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or it may be simultaneously present centering elements.When an element is known as " being connected to " another element, it can
To be directly to another element or may be simultaneously present centering elements.
It is only each other relatively it should also be noted that, the positional terms such as left and right, upper and lower in the utility model embodiment
Concept or be reference with the normal operating condition of product, and should not be regarded as restrictive.
As shown in Figure 1 to Figure 3, a kind of resistance to nuclear radiation high temperature-resistant cable provided by the embodiment of the utility model, including core
1, the core 1 is made of single conductor 11, alternatively, the core 1 is made of more 11 concentric strandings of conductor, i.e., is led with one
Body 11 is the center of circle, remaining conductor 11 is uniformly arranged around the center of circle, and design so suitably increases 1 core diameter of core, can promote conveying
For voltage to reduce the loss of power transmission process, the core 1 is disposed with insulating layer 2, the first radiation protection from inside to outside
Layer 4, shielded layer 5, the second radiation protective layer 6 and restrictive coating 7, first radiation protective layer 4 and second radiation protective layer 6 include
Polytetrafluoroethylene ethylene layer 101 and the glass layer 102 for being woven in 101 outside of polytetrafluoroethylene ethylene layer, i.e. polytetrafluoroethylene (PTFE) are thin
Film 101 and glass layer 102 are stacked, and the polytetrafluoroethylene ethylene layer 101 is interlocked by two layers of polytetrafluoroethylene film 1011
The surface of wrapped composition, each polytetrafluoroethylene film 1011 has multiple salient points 1012, to increase polytetrafluoroethylene film
1011 skin-friction force improves the binding ability of polytetrafluoroethylene ethylene layer 101 and glass layer 102, while after braiding
Dip-coating has silicone resin on glass layer 102, condenses glass layer 102 by loose condition (of surface) and fixes, it is ensured that glass layer
102 arrangements are uniform, it is ensured that the radiation protection ability of glass layer 102, while silicone resin can also play adhesive effect, further increase
The combination of strong glass layer 102 and polytetrafluoroethylene ethylene layer 101.It is designed by using Multilayer radiation-proof layer, utilization and tetrafluoro second
The material property of alkene and glass fibre, the effective radiation hardness and high-temperature resistance for enhancing cable, raising cable use reliable
Property, it is ensured that the safety and stabilization of power transmission under nuclear radiation environment.
In practical application, the core 1 being made of more conductors 11, conductor 11 is arranged in parallel around the center of circle and with the center of circle,
As another embodiment, the conductor 11 of core 1 is arranged clockwise or counterclockwise around the center of circle.
Specifically, according to the requirement of use environment, which is also provided with third radiation protective layer, the 4th radiation protective layer
Deng the radiation protective layer of i.e. cable is provided at least two layers.
Specifically, the conductor 11 is the tinned copper wire that diameter is 0.07mm-0.3mm, tinned copper wire conductive capability it is strong and
It is not oxidizable, it is avoided that other materials directly contacts with conductor 11 and corrodes conductor, extends the service life of cable.
Specifically, the thickness of first radiation protective layer 4 and second radiation protective layer 6 is the 10%- of cable size
20%, guarantee that the first radiation protective layer 4 and the second radiation protective layer 6 have enough thickness, so that it is guaranteed that the resistance to nuclear radiation of cable
Energy.
Specifically, it as shown in figure 3, the height of the salient point 1102 is less than the thickness of polytetrafluoroethylene film 1011, avoids
There are biggish gaps when being laminated alternately for polytetrafluoroethylene film 1011.
In practical application, salient point 1102 can be the structures such as hemispherical, rectangle or triangle.
Specifically, 30 ° -40 ° of the wrapping angle of each polytetrafluoroethylene film 1011, each polytetrafluoroethylene film 1011
Wrapped overlap rate 25%-40%.
Specifically, 33 ° -36 ° of the wrapping angle of each polytetrafluoroethylene film 1011, each polytetrafluoroethylene film 1011
Wrapped overlap rate 30%-38%.
In the utility model embodiment, each 1011 wrapping angle of polytetrafluoroethylene film is 35 °, and each polytetrafluoroethylene (PTFE) is thin
The wrapped overlap rate of film 1011 is 35%.Optimize the wrapping angle and overlap rate optimization design of polytetrafluoroethylene film, it is ensured that poly- four
The coverage rate of fluoroethylene film is further ensured that the radiation hardness ability of cable.
Specifically, it is filled with mica layer 3 between the insulating layer 2 and first radiation protective layer 4, utilizes the insulation of mica
And heat-insulating property, it can be further improved the heat-resisting ability of cable.
Specifically, the shielded layer 5 is proof copper-wire braided net or galvanized steel wire netting, has the function of that anti-electromagnetic interference can increase again
The tensile strength of cable is added.
Specifically, the restrictive coating 7 be low smoke and zero halogen crosslinked insulating material, can play the role of it is earth leakage protective, low cigarette without
Halogen crosslinked insulating material released in burning without noxious material and the low smog of concentration, be conducive to fire rescue work and people
Member's escape.
Specifically, it is coated with anticorrosive coating outside the restrictive coating 7, improves the performance of the resistance to extraneous corrosion of cable.
In practical application, according to the difference of cable use environment, different coating can be attached with outside restrictive coating 7, such as
The capsaicine that rodent bites is prevented, the heat resistance paint etc. of cable heat-resisting ability is improved.
A kind of resistance to nuclear radiation cable resistant to high temperature, is set using multi-layer compound structure provided by the utility model embodiment
Meter, by being provided with Multilayer radiation-proof layer outside core 1, according to the material property of polytetrafluoroethylene (PTFE) and glass fibre, by poly- four
Vinyl fluoride and glass fibre are combined together, and improve the ability that cable bears nuclear radiation and high temperature impact, and enhancing cable uses
Reliability, and cable internal structure is effectively protected, prevents as restrictive coating 7 by using low smoke and zero halogen crosslinked insulating material
Cable suffers erosion, and the smokescope of low smoke and zero halogen crosslinked insulating material burning release is low and nontoxic when a fire, is conducive to
Fire rescue and personnel escape.Its high pressure resistant resistance to nuclear radiation, good insulating.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modification, equivalent replacement or improvement etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (8)
1. a kind of high temperature-resistant cable of resistance to nuclear radiation, including core, which is characterized in that the core is led by single conductor or by more
Body concentric stranding is constituted, and the core is disposed with insulating layer, the first radiation protective layer, shielded layer, the second anti-spoke from inside to outside
Layer and restrictive coating are penetrated, first radiation protective layer and second radiation protective layer include polytetrafluoroethylene ethylene layer and be woven in described
Glass layer on the outside of polytetrafluoroethylene ethylene layer, the polytetrafluoroethylene ethylene layer are interlocked wrapped structure by two layers of polytetrafluoroethylene film
At the surface of each polytetrafluoroethylene film has multiple salient points, and the glass layer dip-coating has silicone resin.
2. a kind of high temperature-resistant cable of resistance to nuclear radiation as described in claim 1, which is characterized in that the conductor is for diameter
The tinned copper wire of 0.07mm-0.3mm.
3. a kind of high temperature-resistant cable of resistance to nuclear radiation as described in claim 1, which is characterized in that first radiation protective layer and institute
The thickness for stating the second radiation protective layer is the 10%-20% of cable size.
4. a kind of high temperature-resistant cable of resistance to nuclear radiation as described in claim 1, which is characterized in that each polytetrafluoroethylene film
30 ° -40 ° of wrapping angle, each wrapped overlap rate 25%-40% of polytetrafluoroethylene film.
5. a kind of high temperature-resistant cable of resistance to nuclear radiation as described in claim 1, which is characterized in that the insulating layer and described first
Mica layer is filled between radiation protective layer.
6. a kind of high temperature-resistant cable of resistance to nuclear radiation as described in claim 1, which is characterized in that the shielded layer is proof copper-wire braided
Net or galvanized steel wire netting.
7. a kind of high temperature-resistant cable of resistance to nuclear radiation as described in claim 1, which is characterized in that the restrictive coating is low smoke and zero halogen
Crosslinked insulating material.
8. a kind of high temperature-resistant cable of resistance to nuclear radiation as claimed in claim 7, which is characterized in that be coated with outside the restrictive coating anti-
Etching ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820813363.0U CN208351974U (en) | 2018-05-29 | 2018-05-29 | A kind of resistance to nuclear radiation high temperature-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820813363.0U CN208351974U (en) | 2018-05-29 | 2018-05-29 | A kind of resistance to nuclear radiation high temperature-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208351974U true CN208351974U (en) | 2019-01-08 |
Family
ID=64891115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820813363.0U Expired - Fee Related CN208351974U (en) | 2018-05-29 | 2018-05-29 | A kind of resistance to nuclear radiation high temperature-resistant cable |
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| CN (1) | CN208351974U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584144A (en) * | 2020-06-11 | 2020-08-25 | 胡晓霖 | Cable and cable installing support with radiation protection layer |
| CN111710461A (en) * | 2020-06-19 | 2020-09-25 | 安徽渡江电缆集团有限公司 | Nuclear radiation resistant mobile cable for crown block |
-
2018
- 2018-05-29 CN CN201820813363.0U patent/CN208351974U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584144A (en) * | 2020-06-11 | 2020-08-25 | 胡晓霖 | Cable and cable installing support with radiation protection layer |
| CN111710461A (en) * | 2020-06-19 | 2020-09-25 | 安徽渡江电缆集团有限公司 | Nuclear radiation resistant mobile cable for crown block |
| CN111710461B (en) * | 2020-06-19 | 2022-03-08 | 安徽渡江电缆集团有限公司 | Nuclear radiation resistant mobile cable for crown block |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190108 Termination date: 20210529 |