CN103943179B - A kind of high temperature resistant anti-extrusion computer shielded cable - Google Patents
A kind of high temperature resistant anti-extrusion computer shielded cable Download PDFInfo
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- CN103943179B CN103943179B CN201410098312.0A CN201410098312A CN103943179B CN 103943179 B CN103943179 B CN 103943179B CN 201410098312 A CN201410098312 A CN 201410098312A CN 103943179 B CN103943179 B CN 103943179B
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Abstract
The invention discloses a kind of high temperature resistant anti-extrusion computer shielded cable, two shielded conductors insert along the groove of support bracket both sides and form rectangle cable core, it is coated that glass fiber tape lapping layer is close to cable core, at glass fiber tape lapping layer outer coated outer proof copper-wire braided screen, polyurethane insulating layer, steel-tape armouring layer and fluororesin external sheath layer successively; Be circular layout the hollow hoses of a circle spaced set in polyurethane insulating layer, is equipped with flexible supporting frames in hollow hoses.The present invention can be laid in above-mentioned high temperature, corrosive atmosphere, cable can also anti-extrusion, for excessively connecting the common computer shielded type cable that can not be laid in complex environment, mechanical strength is high, avoid cable gouge, the energising accident caused of damaging, greatly improve the ampacity of cable and the output of signal.
Description
Technical field
The present invention relates to technical field of electric wires and cables, particularly relate to a kind of high temperature resistant anti-extrusion computer shielded cable.
Background technology
Along with the high speed development of China's industry, electric automatization degree is in the popularization and application of every profession and trade, the plastic insulation computer cable scope of application industrially and consumption constantly increase, and some special factories and miness and industry also need to use a large amount of plastic insulation computer cables.But the plastic insulation computer cable of GB/T9330 prescribed by standard is also not suitable for these special industries and some special environment occasions.
Such as: overload capacity and the short circuit thermal capacity of common plastics insulation computer cable are little, and Long-term service temperature is 70 DEG C or 90 DEG C, can not bear higher ambient temperature.Polyvinyl chloride insulation is heated and can shrinks simultaneously, and thermal circulation performance is poor, affects the fail safe of circuit working; Common plastics insulation computer cable be laid in greasy dirt, neat place time, due to oil and the existence of chemical substance, its insulating barrier can swelling, thus aging, chap, forfeiture mechanical and physical performance and cause scrapping of electric wire; Common plastics insulation computer cable insulating barrier mechanical strength is relatively low, easily by gouge, damage and cause energising accident, what be not more suitable for anti-extrusion lays environment; When common plastics insulation computer cable has moisture content to immerse, insulating dielectric layer loss increases, and insulation resistance decline, affects electric wire useful life.
Summary of the invention
In order to solve the technical problem existed in background technology, the present invention proposes a kind of high temperature resistant anti-extrusion computer shielded cable, normally can not only work in high temperature, corrosive atmosphere, and prevent the damage of mechanical external force, greatly improve the ampacity of cable and the output of signal.
The high temperature resistant anti-extrusion computer shielded cable of one that the present invention proposes, comprise support bracket, two shielded conductors, glass fiber tape lapping layer, outer proof copper-wire braided screen, polyurethane insulating layer, steel-tape armouring layer and fluororesin external sheath layer, shielded conductor comprises heart yearn and is coated on the composite fire layer outside heart yearn successively, interior proof copper-wire braided screen and polyvinyl chloride insulation layer are formed, support bracket comprises two pieces of transverse slats and one piece of riser, the two ends of riser are connected with the middle part of two pieces of transverse slats respectively and form the support bracket that cross section is I shape, two shielded conductors insert along the groove of support bracket both sides and form rectangle cable core, the medial surface of transverse slat is provided with the anti-skid structure contacted with shielded conductor, it is coated that glass fiber tape lapping layer is close to cable core, at glass fiber tape lapping layer outer coated outer proof copper-wire braided screen, polyurethane insulating layer, steel-tape armouring layer and fluororesin external sheath layer successively, be circular layout the hollow hoses of a circle spaced set in polyurethane insulating layer, is equipped with flexible supporting frames in hollow hoses.
Preferably, anti-skid structure is the anti-slip veins being arranged on transverse slat medial surface, and anti-slip veins cross section is wavy.
Preferably, support bracket adopts steel material to make, coated insulation layer on support bracket.
Preferably, support bracket upper cross plate both sides are equipped with inside bending, for strengthening the intensity at transverse slat two ends.
Preferably, the cross section of hollow hoses is oval, and the major axis two ends of hollow hoses, respectively near outer proof copper-wire braided screen and steel-tape armouring layer, can provide larger strain space when extruding like this.
Preferably, the cross section of flexible supporting frames is criss-cross fashion.
Preferably, composite fire layer is followed successively by fire-resistant isinglass belt, refractory inorganic short fiber adhesive-layer and elastomer strap from inside to outside.
Preferably, the fluororesin material that fluororesin external sheath layer adopts, comprises following percentage by weight composition: tetrafluoro ethylene polymer: 30 ~ 70wt%, ZnOw: 15 ~ 35wt%, filler (not comprising perlite): 5 ~ 20wt%, perlite: 3 ~ 8wt%.Above-mentioned filler is one or more combination in carbon fiber, coke blacking, graphite powder, talcum powder, glass fibre, molybdenum bisuphide.Oxidation stabilizers, heat-resisting stabilizing agent, weathering stabilizers, fire retardant can be added as in formula above-mentioned during cable jacket.Fluororesin external sheath layer adopts tetrafluoro ethylene polymer as matrix resin, tetrafluoro ethylene polymer fusing point is 327 DEG C, be suitable as mechanical strength and the good parts of thermal endurance, normally can not only work in hot environment, prevent the damage of mechanical external force, greatly improve the ampacity of cable and the output of signal; ZnOw improves the dispersiveness of tetrafluoro ethylene polymer, and combines with other fillers, improves the resistance to crowded friction and abrasion of fluororesin external sheath layer and compression resistant creep properties; Because fluororesin molecular binding affinities is large, in known macromolecule key, C-F key is the most firmly one of key, can the intrusion of effectively anti-sealing, greasy dirt and moisture.
Preferably, the fluororesin material that fluororesin external sheath layer adopts, comprises following percentage by weight composition: tetrafluoro ethylene polymer: 40 ~ 60wt%, ZnOw: 20 ~ 30wt%, filler (not comprising perlite): 10 ~ 15wt%, perlite: 4 ~ 6wt%.
Common computer shielded type cable normally can not work in high temperature, corrosive atmosphere, hold the damage that can't stand mechanical external force, the ampacity of cable and the output of signal are weakened, the present invention can be laid in above-mentioned high temperature, corrosive atmosphere, because cable core of the present invention is rectangle, lay simple, not easily be wound around between cable, cable can also anti-extrusion, for excessively connecting the common computer shielded type cable that can not be laid in complex environment, mechanical strength is high, avoids cable gouge, the energising accident caused of damaging, and greatly improves the ampacity of cable and the output of signal.
In the present invention, shielded conductor is arranged in the groove in support bracket, coated insulation layer on support bracket, avoids shielded conductor to leak electricity and causes steel support bracket charged, thus cause electric power accident; Shielded conductor is provided with composite fire layer and interior proof copper-wire braided screen, and composite fire layer can bear high temperature, and interior proof copper-wire braided screen ensures can not produce interference between shielded conductor; Outer proof copper-wire braided screen outside cable core prevents outer signals to the interference of shielded conductor, polyurethane in polyurethane insulating layer has resilience, shock absorption and high-temperature stability, and in polyurethane insulating layer, be provided with the hollow hoses be circular layout, flexible supporting frames is provided with in hollow hoses, shielded type cable can restore rapidly after crushed, and the outer proof copper-wire braided screen that steel-tape armouring layer can be avoided extraneous extruding force to be applied to and outer proof copper-wire braided screen causes is damaged; Fluororesin external sheath layer normally can not only work in hot environment, prevents the damage of mechanical external force, improves resistance to crowded friction and abrasion and compression resistant creep properties; Because fluororesin molecular binding affinities is large, in known macromolecule key, C-F key is the most firmly one of key, can the intrusion of effectively anti-sealing, greasy dirt and moisture.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of a kind of high temperature resistant anti-extrusion computer rectangular shield cable that the present invention proposes.
Fig. 2 is the cross section structure schematic diagram of support bracket in the present invention.
Fig. 3 is the cross section structure schematic diagram of shielded conductor in the present invention.
Embodiment
As shown in Figures 1 to 3, Fig. 1 is the cross section structure schematic diagram of a kind of digital data-logger stretch-proof anti-interference control cable that the present invention proposes; Fig. 2 is the cross section structure schematic diagram of support bracket in the present invention; Fig. 3 is the cross section structure schematic diagram of shielded conductor in the present invention.
With reference to Fig. 1 ~ 3, the high temperature resistant anti-extrusion computer shielded cable of one that the present invention proposes, comprise support bracket 1, two shielded conductors 2, glass fiber tape lapping layer 3, outer proof copper-wire braided screen 4, polyurethane insulating layer 5, steel-tape armouring layer 6 and fluororesin external sheath layer 7, shielded conductor 2 comprises heart yearn 21 and is coated on the composite fire layer 22 outside heart yearn 21, interior proof copper-wire braided screen 23 and polyvinyl chloride insulation layer 24 successively and forms, and wherein composite fire layer 22 is followed successively by fire-resistant isinglass belt, refractory inorganic short fiber adhesive-layer and elastomer strap from inside to outside.
Support bracket 1 adopts steel material to make, coated insulation layer 14 on support bracket 1, support bracket 1 comprises two pieces of transverse slats 11 and one piece of riser 12, the two ends of riser 12 are connected with the middle part of two pieces of transverse slats 11 respectively and form the support bracket 1 that cross section is I shape, two shielded conductors 2 insert along the groove of support bracket 1 both sides and form rectangle cable core, support bracket 1 upper cross plate 11 both sides are equipped with inside bending 15, for strengthening the intensity at transverse slat two ends, the medial surface of transverse slat 11 is provided with the anti-skid structure contacted with shielded conductor 2, anti-skid structure is the anti-slip veins 13 being arranged on transverse slat medial surface, and anti-slip veins 13 cross section is wavy.
It is coated that glass fiber tape lapping layer 3 is close to cable core, at glass fiber tape lapping layer 3 outer coated outer proof copper-wire braided screen 4, polyurethane insulating layer 5, steel-tape armouring layer 6 and fluororesin external sheath layer 7 successively; Be circular layout the hollow hoses 8 of a circle spaced set in polyurethane insulating layer 5, and be equipped with flexible supporting frames 9 in hollow hoses 8, the cross section of flexible supporting frames 9 is criss-cross fashion.The cross section of hollow hoses 8 is oval, and the major axis two ends of hollow hoses 8, respectively near outer proof copper-wire braided screen 4 and steel-tape armouring layer 6, can provide larger strain space when extruding like this.
In a particular embodiment, the fluororesin material that fluororesin external sheath layer 7 adopts, comprises following percentage by weight composition: tetrafluoro ethylene polymer: 40 ~ 60wt%, ZnOw: 20 ~ 30wt%, filler (not comprising perlite): 10 ~ 15wt%, perlite: 4 ~ 6wt%.Above-mentioned filler is one or more combination in carbon fiber, coke blacking, graphite powder, talcum powder, glass fibre, molybdenum bisuphide.Oxidation stabilizers, heat-resisting stabilizing agent, weathering stabilizers, fire retardant can be added as in formula above-mentioned during cable jacket.Fluororesin external sheath layer adopts tetrafluoro ethylene polymer as matrix resin, tetrafluoro ethylene polymer fusing point is 327 DEG C, be suitable as mechanical strength and the good parts of thermal endurance, normally can not only work in hot environment, prevent the damage of mechanical external force, greatly improve the ampacity of cable and the output of signal; ZnOw improves the dispersiveness of tetrafluoro ethylene polymer, and combines with other fillers, improves the resistance to crowded friction and abrasion of fluororesin external sheath layer and compression resistant creep properties; Because fluororesin molecular binding affinities is large, in known macromolecule key, C-F key is the most firmly one of key, can the intrusion of effectively anti-sealing, greasy dirt and moisture.
Common computer shielded type cable normally can not work in high temperature, corrosive atmosphere, hold the damage that can't stand mechanical external force, the ampacity of cable and the output of signal are weakened, the present invention can be laid in above-mentioned high temperature, corrosive atmosphere, because cable core of the present invention is rectangle, lay simple, not easily be wound around between cable, cable can also anti-extrusion, for excessively connecting the common computer shielded type cable that can not be laid in complex environment, mechanical strength is high, avoids cable gouge, the energising accident caused of damaging, and greatly improves the ampacity of cable and the output of signal.
In the present invention, shielded conductor 2 is arranged in the groove in support bracket 1,1 coated insulation layer 14 on support bracket, avoids shielded conductor 2 to leak electricity and causes steel support bracket 1 charged, thus cause electric power accident; Shielded conductor 2 is provided with composite fire layer 22 and interior proof copper-wire braided screen 23, and composite fire layer 22 can bear high temperature, and interior proof copper-wire braided screen 23 ensures can not produce interference between shielded conductor; Outer proof copper-wire braided screen 4 outside cable core prevents outer signals to the interference of shielded conductor, polyurethane in polyurethane insulating layer 5 has resilience, shock absorption and high-temperature stability, and in polyurethane insulating layer 5, be provided with the hollow hoses 8 be circular layout, flexible supporting frames 9 is provided with in hollow hoses 8, shielded type cable can restore rapidly after crushed, and the outer proof copper-wire braided screen that steel-tape armouring layer 6 can be avoided extraneous extruding force to be applied to and outer proof copper-wire braided screen 4 causes is damaged; Fluororesin external sheath layer 7 normally can not only work in hot environment, prevents the damage of mechanical external force, improves resistance to crowded friction and abrasion and compression resistant creep properties; Because fluororesin molecular binding affinities is large, in known macromolecule key, C-F key is the most firmly one of key, can the intrusion of effectively anti-sealing, greasy dirt and moisture.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (7)
1. a high temperature resistant anti-extrusion computer shielded cable, it is characterized in that, comprise support bracket (1), two shielded conductors (2), glass fiber tape lapping layer (3), outer proof copper-wire braided screen (4), polyurethane insulating layer (5), steel-tape armouring layer (6) and fluororesin external sheath layer (7), shielded conductor (2) comprises heart yearn (21) and is coated on heart yearn (21) composite fire layer (22) outward successively, interior proof copper-wire braided screen (23) and polyvinyl chloride insulation layer (24) are formed, support bracket (1) comprises two pieces of transverse slats (11) and one piece of riser (12), the two ends of riser (12) are connected with the middle part of two pieces of transverse slats (11) respectively and form the support bracket that cross section is I shape, two shielded conductors (2) are inserted along the groove of support bracket (1) both sides and are formed rectangle cable core, the medial surface of transverse slat (11) is provided with the anti-skid structure contacted with shielded conductor (2), it is coated that glass fiber tape lapping layer (3) is close to cable core, at glass fiber tape lapping layer (3) coated outer proof copper-wire braided screen (4), polyurethane insulating layer (5), steel-tape armouring layer (6) and fluororesin external sheath layer (7) successively outward, be circular layout the hollow hoses (8) of a circle spaced set in polyurethane insulating layer (5), is equipped with flexible supporting frames (9) in hollow hoses (8).
2. high temperature resistant anti-extrusion computer shielded cable according to claim 1, is characterized in that, support bracket (1) adopts steel material to make, the upper coated insulation layer (14) of support bracket (1).
3. the high temperature resistant anti-extrusion computer shielded cable according to any one of claim 1-2, is characterized in that, support bracket (1) upper cross plate (11) both sides are equipped with inside bending (15).
4. high temperature resistant anti-extrusion computer shielded cable according to claim 1, is characterized in that, anti-skid structure is for being arranged on the anti-slip veins (13) of transverse slat (11) medial surface, and anti-slip veins (13) cross section is wavy.
5. high temperature resistant anti-extrusion computer shielded cable according to claim 1, it is characterized in that, the cross section of hollow hoses (8) is oval, and the major axis two ends of hollow hoses (8) are respectively near outer proof copper-wire braided screen (4) and steel-tape armouring layer (6).
6. high temperature resistant anti-extrusion computer shielded cable according to claim 1, is characterized in that, the cross section of flexible supporting frames (9) is criss-cross fashion.
7. high temperature resistant anti-extrusion computer shielded cable according to claim 1, is characterized in that, composite fire layer (22) is followed successively by fire-resistant isinglass belt, refractory inorganic short fiber adhesive-layer and elastomer strap from inside to outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410098312.0A CN103943179B (en) | 2014-03-14 | 2014-03-14 | A kind of high temperature resistant anti-extrusion computer shielded cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410098312.0A CN103943179B (en) | 2014-03-14 | 2014-03-14 | A kind of high temperature resistant anti-extrusion computer shielded cable |
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| Publication Number | Publication Date |
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| CN103943179A CN103943179A (en) | 2014-07-23 |
| CN103943179B true CN103943179B (en) | 2016-02-03 |
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| CN201410098312.0A Expired - Fee Related CN103943179B (en) | 2014-03-14 | 2014-03-14 | A kind of high temperature resistant anti-extrusion computer shielded cable |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109712749A (en) * | 2018-12-27 | 2019-05-03 | 深圳市合丰嘉大科技有限公司 | A kind of high voltage bearing flexible cable of high frequency tolerant and preparation method thereof |
| CN112505869A (en) * | 2020-12-16 | 2021-03-16 | 安徽长荣光纤光缆科技有限公司 | Halogen-free low-smoke flame-retardant optical cable for coal mine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201177998Y (en) * | 2008-02-29 | 2009-01-07 | 领迅电线工业(上海)有限公司 | Non-shielding symmetrical data cable for 10G Ethernet |
| JP2009164039A (en) * | 2008-01-09 | 2009-07-23 | Fujikura Ltd | Two-core parallel cable |
| CN203013329U (en) * | 2012-11-13 | 2013-06-19 | 安徽文峰电子科技集团有限公司 | Reinforced fireproof flame-retardation double-shielded cable |
| CN103594172A (en) * | 2013-10-27 | 2014-02-19 | 安徽蓝德集团股份有限公司 | Inner pipe outer pipe hollow elastic anti-bending control cable |
| CN203850009U (en) * | 2014-03-14 | 2014-09-24 | 安徽万泰电缆有限公司 | A high temperature resistant extrusion resistant computer shield cable |
-
2014
- 2014-03-14 CN CN201410098312.0A patent/CN103943179B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009164039A (en) * | 2008-01-09 | 2009-07-23 | Fujikura Ltd | Two-core parallel cable |
| CN201177998Y (en) * | 2008-02-29 | 2009-01-07 | 领迅电线工业(上海)有限公司 | Non-shielding symmetrical data cable for 10G Ethernet |
| CN203013329U (en) * | 2012-11-13 | 2013-06-19 | 安徽文峰电子科技集团有限公司 | Reinforced fireproof flame-retardation double-shielded cable |
| CN103594172A (en) * | 2013-10-27 | 2014-02-19 | 安徽蓝德集团股份有限公司 | Inner pipe outer pipe hollow elastic anti-bending control cable |
| CN203850009U (en) * | 2014-03-14 | 2014-09-24 | 安徽万泰电缆有限公司 | A high temperature resistant extrusion resistant computer shield cable |
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| CN103943179A (en) | 2014-07-23 |
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