CN107633917A - A kind of anti-explosion computer and instrument cable - Google Patents
A kind of anti-explosion computer and instrument cable Download PDFInfo
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- CN107633917A CN107633917A CN201710742367.4A CN201710742367A CN107633917A CN 107633917 A CN107633917 A CN 107633917A CN 201710742367 A CN201710742367 A CN 201710742367A CN 107633917 A CN107633917 A CN 107633917A
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Abstract
The invention discloses a kind of anti-explosion computer and instrument cable, cable core includes multiple lead units, each lead unit includes unit core and the sub-shield being coated on outside the unit core, the unit core includes multiple conducting wires, sub-shield is formed using metallo-plastic composite band cladding and inside is provided with the first drain wire, it is coated with lapping layer, total screen layer, separation layer, metallic sheath, restrictive coating outside cable core, total screen layer is formed using metallo-plastic composite band cladding and interior is provided with the second drain wire.Pass through the anti-explosion computer and instrument cable of above-mentioned optimization design; structural design optimization is reasonable; it is suitable for using in explosive hazard environment; while possessing basic signal controlling transmission function, the performances such as antistatic shielding, electromagnetism interference are also equipped with, during use; without extra poling insulation blocking; because protective metal shell can be mounted directly laying, installation strength is alleviated, improves installation effectiveness.
Description
Technical field
The present invention relates to field of cable technology, more particularly to a kind of anti-explosion computer and instrument cable.
Background technology
In some explosion hazard areas, the computer and instrument that such as gas station, gas station, gunpowder factory, ammunition depot use
Cable, it will typically avoid the formation of and be easy to the dangerous spark for lighting explosive mixture, need to carry out intrinsic safety type to cable for this
Design, ensures that electric capacity, inductive resistance ratio, electromagnetic interference induced voltage, the electrostatic interference induced voltage of cable meet essential safety
It is required that so as to reach explosion-proof purpose.
The content of the invention
To solve technical problem present in background technology, the present invention proposes a kind of anti-explosion computer and instrument cable.
A kind of anti-explosion computer and instrument cable proposed by the present invention, including：Cable core, lapping layer, total screen layer, isolation
Layer, metallic sheath, restrictive coating；
Cable core includes multiple lead units, and each lead unit includes unit core and is coated on outside the unit core
Sub-shield, the unit core includes multiple conducting wires, and sub-shield is formed and internal using metallo-plastic composite band cladding
Provided with the first drain wire；
Lapping layer is coated on outside cable core, and total screen layer is coated on outside lapping layer, and total screen layer is answered using metallo-plastic
Crossed belt cladding form and it is interior be provided with the second drain wire, separation layer is coated on outside total screen layer, and metallic sheath is coated on outside separation layer
Portion, restrictive coating are coated on outside metallic sheath.
Preferably, sub-shield and total screen layer using aluminium-plastic tape around forming.
Preferably, wire includes the copper core conductor and the insulating barrier being coated on outside copper core conductor, insulating barrier positioned at middle part
It is made of modified polypropene insulating materials.
Preferably, metallic sheath is made of one kind in stainless steel band, copper strips, aluminium strip, aluminum alloy strip.
Preferably, metallic sheath surface is provided with embossing.
Preferably, lapping layer forms using polyester belt is wrapped.
Preferably, each lead unit includes two wires, two wires it is parallel axial arranged with the cable core and the two
Radial distribution of the axis along the cable core.
Preferably, restrictive coating is made of flame retardant jacket materials.
In the present invention, the anti-explosion computer and instrument cable that are proposed, cable core include multiple lead units, each wire list
Member includes unit core and the sub-shield being coated on outside the unit core, and the unit core includes multiple conducting wires, point
Screen layer formed using metallo-plastic composite band cladding and it is internal be provided with the first drain wire, lapping layer, always is coated with outside cable core
Screen layer, separation layer, metallic sheath, restrictive coating, total screen layer are formed using metallo-plastic composite band cladding and interior are provided with second row
Streamline.By the anti-explosion computer and instrument cable of above-mentioned optimization design, structural design optimization is reasonable, is suitable for explosion danger ring
Used in border, while possessing basic signal controlling transmission function, be also equipped with the property such as antistatic shielding, electromagnetism interference
Can, in use, without extra poling insulation blocking, because protective metal shell can be mounted directly laying, installation strength is alleviated, is improved
Installation effectiveness.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of anti-explosion computer proposed by the present invention and instrument cable.
Embodiment
As shown in figure 1, Fig. 1 is the structural representation of a kind of anti-explosion computer proposed by the present invention and instrument cable.
Reference picture 1, a kind of anti-explosion computer and instrument cable proposed by the present invention, including：Cable core, lapping layer 3, total shielding
Layer 4, separation layer 5, metallic sheath 6, restrictive coating 7；
Cable core includes multiple wires, and each wire includes unit core and the separated-shielding being coated on outside the unit core
Layer 2, the unit core include multiple conducting wires 1, and sub-shield 2 is formed and internal provided with the using metallo-plastic composite band cladding
One drain wire 21；
Lapping layer 3 is coated on outside cable core, and total screen layer 4 is coated on outside lapping layer 3, and total screen layer 4 is moulded using metal
Material composite band cladding form and it is interior be provided with the second drain wire 41, separation layer 5 is coated on outside total screen layer 4, and metallic sheath 6 is coated on
Outside separation layer 5, restrictive coating 7 is coated on outside metallic sheath 6.
In the present embodiment, the anti-explosion computer and instrument cable proposed, cable core include multiple lead units, each led
Line unit includes unit core and the sub-shield being coated on outside the unit core, and the unit core is led including more
Line, sub-shield is formed using metallo-plastic composite band cladding and inside is provided with the first drain wire, is coated with outside cable core wrapped
Layer, total screen layer, separation layer, metallic sheath, restrictive coating, total screen layer are formed using metallo-plastic composite band cladding and interior are provided with the
Two drain wires.By the anti-explosion computer and instrument cable of above-mentioned optimization design, structural design optimization is reasonable, is suitable for blast danger
Used in dangerous environment, while possessing basic signal controlling transmission function, be also equipped with antistatic shielding, electromagnetism interference etc.
Performance, in use, without extra poling insulation blocking, because protective metal shell can be mounted directly laying, installation strength is alleviated, improved
Installation effectiveness.
Metallo-plastic composite band is wrapped plus drainage cable architecture by the way that total screen layer and sub-shield are designed as, and can play very
Good electrostatic collection and shielding action, and the attached electrostatic charge combined on cable core is drained by drain wire, suppress and exclude
Electrostatic interference, explosive atmosphere explosion danger because caused by static discharge produces spark is avoided to occur.
In a specific embodiment, sub-shield 2 and total screen layer 4 use aluminium-plastic tape to ensure electricity around forming
The flexibility of cable and effectively mitigate cable weight.
In the embodiment of wire, wire 1 includes being located at the copper core conductor 11 at middle part and is coated on copper core conductor
Insulating barrier 12 outside 11, insulating barrier 12 are made of modified polypropene insulating materials, and modified polypropene is cost-effective, are had and are situated between
Electric constant is low and good electrical insulating properties, and as cable insulation material, it has good electrical property, mechanical and physical performance, especially
It is that also with more than 100 DEG C of temperature capacity, and odorless, tasteless is nontoxic, recoverable as thermoplastic.
In other embodiments of wire, each lead unit includes two wires 1, two wires 1 it is parallel with
The radial distribution that the cable core is axial arranged and the two axis is along the cable core, ensure that cable core internal electric field is evenly distributed.
In the embodiment of metallic sheath, metallic sheath 6 is using one in stainless steel band, copper strips, aluminium strip, aluminum alloy strip
Kind is made, and further, the surface of metallic sheath 6 is provided with embossing；Embossing metallic sheath play isolating seal, mechanical protection effect it is same
When, good electromagnetic shielding action is also played, there is good Electro Magnetic Compatibility, installed and used in explosive hazard environment,
, will not be to cable transmissions such as the sensitive electrical appliances of adjacent electronics component, computer and instrument under the shielding of embossing metallic sheath
Signal produces any interference, ensures that this circuit and All other routes, electrical equipment are compatible, can run to normal reliable and work
Make.
In the embodiment of lapping layer, lapping layer 3 forms using polyester belt is wrapped.
In the embodiment of restrictive coating, restrictive coating 7 is made of flame retardant jacket materials.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of anti-explosion computer and instrument cable, it is characterised in that including：Cable core, lapping layer (3), total screen layer (4), every
Absciss layer (5), metallic sheath (6), restrictive coating (7)；
Cable core includes multiple wires, and each wire includes unit core and the sub-shield being coated on outside the unit core
(2), the unit core includes multiple conducting wires (1), and sub-shield (2) is formed using metallo-plastic composite band cladding and inside is set
There is the first drain wire (21)；
Lapping layer (3) is coated on outside cable core, and total screen layer (4) is coated on lapping layer (3) outside, and total screen layer (4) is using gold
Category plastics composite bands cladding form and it is interior be provided with the second drain wire (41), it is outside that separation layer (5) is coated on total screen layer (4), gold
Category set (6) is coated on separation layer (5) outside, and it is outside that restrictive coating (7) is coated on metallic sheath (6).
2. anti-explosion computer according to claim 1 and instrument cable, it is characterised in that sub-shield (2) and total shielding
Layer (4) is using aluminium-plastic tape around forming.
3. anti-explosion computer according to claim 1 and instrument cable, it is characterised in that wire (1) includes being located at middle part
Copper core conductor (11) and be coated on the outside insulating barrier (12) of copper core conductor (11), insulating barrier (12) is exhausted using modified polypropene
Edge material is made.
4. anti-explosion computer according to claim 1 and instrument cable, it is characterised in that metallic sheath (6) uses stainless steel
One kind in band, copper strips, aluminium strip, aluminum alloy strip is made.
5. anti-explosion computer according to claim 1 and instrument cable, it is characterised in that metallic sheath (6) surface, which is provided with, rolls
Line.
6. anti-explosion computer according to claim 1 and instrument cable, it is characterised in that lapping layer (3) uses polyester belt
It is wrapped to form.
7. anti-explosion computer according to claim 1 and instrument cable, it is characterised in that each wire includes two wires
(1) radial distribution that, two wires (1) are parallel Yu the cable core is axial arranged and the two axis is along the cable core.
8. anti-explosion computer according to claim 1 and instrument cable, it is characterised in that restrictive coating (7) uses fire-retardant shield
Cover material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742367.4A CN107633917A (en) | 2017-08-25 | 2017-08-25 | A kind of anti-explosion computer and instrument cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742367.4A CN107633917A (en) | 2017-08-25 | 2017-08-25 | A kind of anti-explosion computer and instrument cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107633917A true CN107633917A (en) | 2018-01-26 |
Family
ID=61099626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710742367.4A Pending CN107633917A (en) | 2017-08-25 | 2017-08-25 | A kind of anti-explosion computer and instrument cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107633917A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201323084Y (en) * | 2008-12-24 | 2009-10-07 | 郑州电缆有限公司 | Flame retardant composite cable integrated with electrical power, control and signal transmission |
| CN201477924U (en) * | 2009-06-11 | 2010-05-19 | 安徽华能电缆集团有限公司 | Smoke and halogen-free noncombustible instrument cable |
| CN202473344U (en) * | 2012-03-23 | 2012-10-03 | 安徽天龙电器线缆集团有限公司 | Diffuse-type instrument signal cable for intrinsic anti-explosion circuit |
| CN106024187A (en) * | 2016-07-01 | 2016-10-12 | 远东电缆有限公司 | Cross-linked polyethylene insulated power cable for smart energy in shallow seas and lakes and manufacturing method thereof |
| CN207517435U (en) * | 2017-08-25 | 2018-06-19 | 安徽华能电缆集团有限公司 | A kind of anti-explosion computer and instrument cable |
-
2017
- 2017-08-25 CN CN201710742367.4A patent/CN107633917A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201323084Y (en) * | 2008-12-24 | 2009-10-07 | 郑州电缆有限公司 | Flame retardant composite cable integrated with electrical power, control and signal transmission |
| CN201477924U (en) * | 2009-06-11 | 2010-05-19 | 安徽华能电缆集团有限公司 | Smoke and halogen-free noncombustible instrument cable |
| CN202473344U (en) * | 2012-03-23 | 2012-10-03 | 安徽天龙电器线缆集团有限公司 | Diffuse-type instrument signal cable for intrinsic anti-explosion circuit |
| CN106024187A (en) * | 2016-07-01 | 2016-10-12 | 远东电缆有限公司 | Cross-linked polyethylene insulated power cable for smart energy in shallow seas and lakes and manufacturing method thereof |
| CN207517435U (en) * | 2017-08-25 | 2018-06-19 | 安徽华能电缆集团有限公司 | A kind of anti-explosion computer and instrument cable |
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