CN208077699U - A kind of self-rolling cryogenic shield wave prevention sleeve - Google Patents
A kind of self-rolling cryogenic shield wave prevention sleeve Download PDFInfo
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- CN208077699U CN208077699U CN201820283418.1U CN201820283418U CN208077699U CN 208077699 U CN208077699 U CN 208077699U CN 201820283418 U CN201820283418 U CN 201820283418U CN 208077699 U CN208077699 U CN 208077699U
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Abstract
The utility model discloses a kind of self-rolling cryogenic shield wave prevention sleeves, include separation layer, tin plating soft copper silk woven shield and weathering protective layer successively from the inside to the outside, and separation layer uses polytetrafluoroethylene film, weathering protective layer to be prepared by weather resistant materials.The self-rolling cryogenic shield wave prevention sleeve of the utility model has many advantages, such as good weatherability, hygroscopicity, organic solvent-resistant, anti-interference, tear-proof, insulation, fire-retardant, radioresistance, compressible and bending, it is sleeved on outside cable, good weather-proof, fire-retardant, shielding, abrasion resistant effect can be played, and obstruction is not will produce in cable bend or winding, it is ensured that cable is in low temperature, the bad steady operation under having disturbance state of weather.
Description
Technical field
The utility model is related to cryogenic shields to protect field, and in particular to a kind of self-rolling cryogenic shield wave prevention sleeve.
Background technology
It in aerospace and electronics field, is commonly used and arrives various cables, however partial cables can be directly sudden and violent for a long time
Dew in air, is easy, by various natural environments and artificial destruction, existing cable wave prevention sleeve service life to be caused to decline,
And cause cable service life and safety by significant impact, to influence the electricity consumptions such as aerospace and electronics.
Defect existing for existing cable wave prevention sleeve：Not weather-proof and fire-retardant, cable wave prevention sleeve in use can be by
It is comprehensive caused by illumination, cold and hot, wind and rain, bacterium etc. to destroy, cause cable is exposed to influence its use；Shield effectiveness is poor, easily by outer
Boundary's environmental disturbances work to influence cable itself；Not flexible or bending process trouble, existing cable wave prevention sleeve generally use
Hard material or the wave prevention sleeve formed using weather-proof body and connector sleeve.
Invention content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of self-rolling cryogenic shield wave prevention sleeve,
The wave prevention sleeve is sleeved on outside cable, plays good weather-proof, fire-retardant, shielding, abrasion resistant effect, and in cable bend or winding
Obstruction is not will produce, it is ensured that cable is in low temperature, the bad steady operation under having disturbance state of weather.
To achieve the goals above, the technical solution adopted in the utility model is：A kind of self-rolling cryogenic shield wave prevention sleeve,
Include separation layer, tin plating soft copper silk woven shield and weathering protective layer successively from the inside to the outside, the separation layer uses polytetrafluoro
Vinyl film, the weathering protective layer are prepared by weather resistant materials.
The woven shield count is not less than 85%.
The weathering protective layer is by the poly- phthalein amine fiber Nomex of meta-aromatic and the PET braidings of poly terephthalic acid resinoid
Made of weather-proof cloth, count be not less than 95%.
The cryogenic shield wave prevention sleeve has from after knitting forming from volume property, can form cylindrical shape from volume, be adapted to outside cable
Shape, set need not apply additional pressure again when protecting cable.
The beneficial effects of the utility model：
1. the separation layer of the utility model uses polytetrafluoroethylene film in the case where temperature and frequency are widely varied,
Its change in dielectric constant is small；And volume resistivity will not change long-time is impregnated in water, stability is better than it
His insulating materials.
2. the woven shield of the utility model is woven using tin plating soft copper silk, count is not less than 85%, has excellent
Different mechanical performance and fabulous corrosion resistance (wet environment and its corrosion resistance of low temperature environment are also excellent), not only play shielding
Effect, and substantially increase the bending softness of wave prevention sleeve, while being effectively protected the damage of cable, improve cable
Service life.
3. the weathering protective layer of the utility model is by the poly- phthalein amine fiber Nomex of meta-aromatic and poly terephthalic acid class tree
Weather-proof cloth made of fat PET braidings, count is not less than 95%, material novel environment friendly, weather-proof, fire-retardant, chemicals-resistant,
Hydrolysis, wear-resisting, corrosion-resistant, radiation resistance, satisfactory mechanical property, fracture strength is high, and elongation is larger, soft, does not melt,
Smokescope is low when burning, and calorific value is low, wash resistant, keeps good through repeatedly washing flame retardant property, has preferable size steady
It is qualitative, while the bending softness of wave prevention sleeve is also substantially increased, it not will produce obstruction in cable bend or winding, it is ensured that
Cable is in low temperature, the bad steady operation under having disturbance state of weather.
Description of the drawings
Fig. 1 is the structural schematic diagram of the self-rolling cryogenic shield wave prevention sleeve set shield cable of the utility model；
Fig. 2 is the sectional view of the self-rolling cryogenic shield wave prevention sleeve of the utility model；
Wherein, 1- separation layers, 2- woven shields, 3- weathering protective layers, 4- self-rolling cryogenic shield wave prevention sleeves, 5- electricity
Cable.
Specific implementation mode
Below by way of specific implementation mode, and in conjunction with attached drawing, the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of self-rolling cryogenic shield wave prevention sleeve includes separation layer 1 successively from the inside to the outside, tin plating
Soft copper silk woven shield 2 and weathering protective layer 3, separation layer 1 use polytetrafluoroethylene film, the braiding of tin plating soft copper silk braiding
Shielded layer count is not less than 85%, and weathering protective layer is by the poly- phthalein amine fiber Nomex of meta-aromatic and poly terephthalic acid
Weather-proof cloth made of resinoid PET braidings, count are not less than 95%.The cryogenic shield wave prevention sleeve from after knitting forming from
Volume forms cylindrical shape, is adapted to cable profile, need not apply additional pressure again when set protects cable.
In specific implementation, corresponding structure setting and material selection are respectively：
Using polytetrafluoroethylene film in the case where temperature and frequency are widely varied, dielectric constant becomes separation layer 1
Change small；And volume resistivity will not change long-time is impregnated in water, stability is better than other insulating materials.
Woven shield 2 using tin plating soft copper silk weave, count be not less than 85%, have excellent mechanical performance and
Fabulous corrosion resistance (wet environment and its corrosion resistance of low temperature environment are also excellent), not only plays the effect of shielding, Er Qie great
The bending softness of wave prevention sleeve is improved greatly, while being effectively protected the damage of cable, improves the service life of cable.
Weathering protective layer 3 is woven by meta-aromatic poly- phthalein amine fiber Nomex and poly terephthalic acid resinoid PET
Weather-proof cloth, count be not less than 95%, material novel environment friendly, weather-proof, fire-retardant, chemicals-resistant, hydrolysis, it is wear-resisting,
Corrosion-resistant, radiation resistance, satisfactory mechanical property, fracture strength are high, and elongation is larger, soft, does not melt, and smog is dense when burning
Spend low, and calorific value is low, wash resistant, keeps good through repeatedly washing flame retardant property, has preferable dimensional stability, while also big
The big bending softness for improving wave prevention sleeve, not will produce obstruction in cable bend or winding.
The self-rolling cryogenic shield wave prevention sleeve of the utility model has good weatherability, hygroscopicity, organic solvent-resistant, resists
It the advantages that interference, tear-proof, insulation, fire-retardant, radioresistance, compressible and bending, is sleeved on outside cable, can play good
Weather-proof, fire-retardant, shielding, abrasion resistant effect, and not will produce obstruction in cable bend or winding, it is ensured that cable is in low temperature, weather
It is bad to have steady operation under disturbance state.
Claims (2)
1. a kind of self-rolling cryogenic shield wave prevention sleeve, it is characterised in that：Include separation layer (1), tin plating soft copper successively from the inside to the outside
Silk woven shield (2) and weathering protective layer (3), the separation layer (1) use polytetrafluoroethylene film, the weathering protective layer
(3) it is prepared by weather resistant materials, the weathering protective layer (3) is by the poly- phthalein amine fiber Nomex of meta-aromatic and gathers to benzene
Weather-proof cloth made of the PET braidings of diformazan acid resin, count are not less than 95%.
2. a kind of self-rolling cryogenic shield wave prevention sleeve according to claim 1, it is characterised in that：The woven shield
(2) count is not less than 85%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820283418.1U CN208077699U (en) | 2018-02-28 | 2018-02-28 | A kind of self-rolling cryogenic shield wave prevention sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820283418.1U CN208077699U (en) | 2018-02-28 | 2018-02-28 | A kind of self-rolling cryogenic shield wave prevention sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208077699U true CN208077699U (en) | 2018-11-09 |
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ID=64039525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820283418.1U Active CN208077699U (en) | 2018-02-28 | 2018-02-28 | A kind of self-rolling cryogenic shield wave prevention sleeve |
Country Status (1)
| Country | Link |
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| CN (1) | CN208077699U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599290A (en) * | 2020-11-30 | 2021-04-02 | 芜湖航天特种电缆厂股份有限公司 | Self-rolling wave-proof sleeve structure for aerospace |
| CN113068389A (en) * | 2021-03-29 | 2021-07-02 | 浙江大华技术股份有限公司 | Electromagnetic radiation shielding device, manufacturing method thereof and communication cable |
-
2018
- 2018-02-28 CN CN201820283418.1U patent/CN208077699U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599290A (en) * | 2020-11-30 | 2021-04-02 | 芜湖航天特种电缆厂股份有限公司 | Self-rolling wave-proof sleeve structure for aerospace |
| CN113068389A (en) * | 2021-03-29 | 2021-07-02 | 浙江大华技术股份有限公司 | Electromagnetic radiation shielding device, manufacturing method thereof and communication cable |
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