CN103854779B - A kind of compensating cable for thermocouple - Google Patents
A kind of compensating cable for thermocouple Download PDFInfo
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- CN103854779B CN103854779B CN201410062420.2A CN201410062420A CN103854779B CN 103854779 B CN103854779 B CN 103854779B CN 201410062420 A CN201410062420 A CN 201410062420A CN 103854779 B CN103854779 B CN 103854779B
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- compensating
- conductor
- compensating conductor
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- cable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention discloses a kind of compensating cable for thermocouple, including first compensating conductor and second compensating conductor, first compensating conductor, the cross section of the second compensating conductor is flat, first compensating conductor is parallel with the second compensating conductor and just to layout, at the first compensating conductor, fire-resistant isinglass belt lapping layer it is coated with successively outside second compensating conductor, tinned copper wire braided overall-shielding layer, polyvinyl chloride external sheath layer, first compensating conductor, second compensating conductor contacts with fire-resistant isinglass belt lapping layer, first compensating conductor, it is provided with olive shape elastomer between second compensating conductor to separate.The present invention has excellent protection against the tide, wear-resisting and flame-retarding characteristic, improves the antijamming capability of compensating cable, it is ensured that cable safely and steadily runs；Newly-increased olive shape elastomer, improves the anti-extrusion performance of cable, prevents cable distortion from causing the first compensating conductor, the second compensating conductor to misplace.
Description
Technical field
The present invention relates to technical field of electric wires and cables, particularly relate to a kind of compensating cable for thermocouple.
Background technology
Compensating cable for thermocouple is used to extend multiple spot thermode and the cold end of mobile thermocouple, with aobvious at present
Show that instrument connects and composes multi-point temperature measurement system.When using pyrometer couple, the common compensating cable under high temperature
Insulating barrier and the physical and mechanical properties of restrictive coating etc., electrical property be subjected to high temperature, oxidation, impulsive force
Impact so that compensating cable physical and mechanical properties decline and cisco unity malfunction, the electricity therefore transmitted
Signal has just had deviation, it is impossible to normally use, and the antijamming capability of compensating cable is the most particularly important, preferably
Interference free performance ensure that the safe and stable operation of compensating cable.
The mechanical strength of the most general compensating cable for thermocouple, shielding properties are relatively poor, it is impossible to meet
The demand of actual working environment.But in actual use, its tensile property is the most poor, is susceptible to
The problems such as cable breakdown, in turn result in the accidents such as short circuit, cause casualties and property loss time serious, because of
There is potential safety hazard in the poor compensating cable of this pull resistance, affects the normal use of cable.
Summary of the invention
In order to solve technical problem present in background technology, the present invention proposes a kind of thermocouple and compensates electric
Cable, not only solves compensating cable pull resistance poor and cause the security incident of cable short circuit, and improves
The antijamming capability of compensating cable, it is ensured that compensating cable safe and stable operation.
A kind of compensating cable for thermocouple that the present invention proposes, including first compensating conductor and one second
Compensating conductor, the first compensating conductor, the cross section of the second compensating conductor be flat, the first compensating conductor by
First compensating wire group and the complex fabric cloth lapping layer being coated on successively outside the first compensating wire group, soft copper band
Lapped shielding layer and polyvinyl chloride inner sheath layer are constituted, and the second compensating conductor is by the second compensating wire group and successively
It is coated on the complex fabric cloth lapping layer outside the second compensating wire group, soft copper band lapped shielding layer and polyvinyl chloride
Inner restrictive coating is constituted；First compensating conductor is parallel with the second compensating conductor and just to layout, compensates first and leads
It is coated with fire-resistant isinglass belt lapping layer, tinned copper wire braided overall-shielding layer outside body, the second compensating conductor successively, gathers
Vinyl chloride external sheath layer, the first compensating conductor, the second compensating conductor two ends cambered surface wrapped with fire-resistant isinglass belt
Layer contacts, and is provided with olive shape elastomer and separates between the first compensating conductor, the second compensating conductor, olive
The midpoint of two minor arcs of shape elastomer leans with the first compensating conductor, the second compensating conductor respectively, two
Minor arc two ends lean with fire-resistant isinglass belt lapping layer respectively.
Preferably, the cross-sectional sizes of the first compensating conductor is equal with the cross-sectional sizes of the second compensating conductor.
Preferably, the first compensating wire group includes two first compensating wires, and the first compensating wire is by single copper
Line and the insulating barrier being coated on copper cash are constituted.
Preferably, the second compensating wire group includes two second compensating wires, and the second compensating wire is by many strands
The copper wire closed and the insulating barrier being coated on copper wire are constituted.
Preferably, resistance to by internal layer of the complex fabric cloth lapping layer on the first compensating conductor, the second compensating conductor
Fire mica tape and the bonding composition of fiber cloth of outer layer.
Preferably, the pvc sheathing compound that polyvinyl chloride inner sheath layer, polyvinyl chloride external sheath layer are used,
Including following weight portion composition: Corvic: 80～120, polyurethane rubber: 20～30, polyethylene
Resin: 15～25, inorganic filler: 15～20, organic filler: 10～15, fire retardant: 6～8, anti-old
Agent: 3～5, processing aid: 1～5, accelerator: 0.5～3；Use the polychlorostyrene second that above-mentioned raw materials is made
Alkene inner/outer sheath, production cost is low, good flame retardation effect, will not produce too much flue gas, simultaneously during burning
Its hot strength, fracture elongation, aging after fracture stretch out conservation rate and impact brittle temperature have simultaneously
Excellent performance, can effectively prevent the fracture of cable cover(ing), postpones service life.
Preferably, the pvc sheathing compound that polyvinyl chloride inner sheath layer, polyvinyl chloride external sheath layer are used,
Including following weight portion composition: Corvic: 80～100 parts, polyurethane rubber: 20～25 parts,
Polyvinyl resin: 20～25 parts, inorganic filler: 15～18 parts, organic filler: 10～13 parts, fire retardant:
7～8 parts, antiaging agent: 3～4 parts, processing aid: 3～5 parts, accelerator: 0.5～1 part.
Production cost of the present invention is low, has excellent protection against the tide, wear-resisting and flame-retarding characteristic, improves compensating cable
Antijamming capability, it is ensured that cable safely and steadily runs；There is preferable resistance to elevated temperatures, can ensure
Thermal Meter system normally works under high temperature and emergency circumstances, improves the service life of Thermal Meter.
The present invention uses two the first identical compensating conductors, the second compensating conductors, it is achieved to transmission of electricity current-carrying capacity shunting,
Avoid at single compensating conductor transmission of electricity current-carrying capacity too high and cause compensating cable service life reduction；Mend first simultaneously
Repay newly-increased olive shape elastomer between conductor, the second compensating conductor, improve the anti-extrusion performance of cable, anti-
The first compensating conductor, the second compensating conductor is caused to misplace when only cable distortion, extruding.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of a kind of compensating cable for thermocouple that the present invention proposes.
Detailed description of the invention
As it is shown in figure 1, the cross section structure signal of a kind of compensating cable for thermocouple that Fig. 1 is the present invention to be proposed
Figure.
With reference to Fig. 1, a kind of compensating cable for thermocouple that the present invention proposes, including first compensating conductor 1
With second compensating conductor 2, the cross section of first compensating conductor the 1, second compensating conductor 2 is flat,
And first the cross-sectional sizes of compensating conductor 1 equal with the cross-sectional sizes of the second compensating conductor 2, first compensates and leads
Complex fabric cloth lapping layer 12 that body 1 by the first compensating wire group and is coated on outside the first compensating wire group successively,
Soft copper band lapped shielding layer 13 and polyvinyl chloride inner sheath layer 14 are constituted, and the first compensating wire group includes two
First compensating wire 11, the first compensating wire 11 is by single copper cash 111 and the insulating barrier that is coated on copper cash
112 compositions；Second compensating conductor 2 is by the second compensating wire group and is coated on successively outside the second compensating wire group
Complex fabric cloth lapping layer 22, soft copper band lapped shielding layer 23 and polyvinyl chloride inner sheath layer 24 constitute,
Second compensating wire group includes two second compensating wires 21, and the second compensating wire 21 is by many stranded copper wires
211 and the insulating barrier 212 that is coated on copper wire constitute；First compensating conductor 1 and the second compensating conductor 2
Parallel and just to layout, first compensating conductor the 1, second compensating conductor 2 outer cladding the most successively fire-resistant isinglass belt around
Covering 3, tinned copper wire braided overall-shielding layer 4, polyvinyl chloride external sheath layer 5, the first compensating conductor 1,
Two compensating conductors 2 contact with fire-resistant isinglass belt lapping layer 3, first compensating conductor the 1, second compensating conductor 2
Between be provided with olive shape elastomer 6 and separate, and the midpoint of two minor arcs of olive shape elastomer 6 is respectively with
One compensating conductor the 1, second compensating conductor 2 leans, two minor arc two ends respectively with fire-resistant isinglass belt lapping layer
3 lean.
Wherein, resistance to by internal layer of the complex fabric cloth lapping layer on first compensating conductor the 1, second compensating conductor 2
Fire mica tape and the bonding composition of fiber cloth of outer layer.
In the present invention, the pvc sheath that polyvinyl chloride inner sheath layer, polyvinyl chloride external sheath layer are used
Material, including following weight portion composition: Corvic: 80～120 parts, polyurethane rubber: 20～30
Part, polyvinyl resin: 15～25 parts, inorganic filler: 15～20 parts, organic filler: 10～15 parts, resistance
Combustion agent: 6～8 parts, antiaging agent: 3～5 parts, processing aid: 1～5 part, accelerator: 0.5～3 part；
Using the polyvinyl chloride inner/outer sheath that above-mentioned raw materials is made, production cost is low, good flame retardation effect, during burning
Will not produce too much flue gas, simultaneously its hot strength, fracture elongation, aging after fracture stretch out holding
Rate and impact brittle temperature have the performance of excellence simultaneously, can effectively prevent the fracture of cable cover(ing), postpone
Service life.
In a particular embodiment, the polychlorostyrene second that polyvinyl chloride inner sheath layer, polyvinyl chloride external sheath layer are used
Alkene protective cover material, including following weight portion composition: Corvic: 100 parts, polyurethane rubber: 25 parts,
Polyvinyl resin: 20 parts, inorganic filler: 18 parts, organic filler: 13 parts, fire retardant: 7 parts, anti-old
Agent: 4 parts, processing aid: 5 parts, accelerator: 1 part.
Production cost of the present invention is low, has excellent protection against the tide, wear-resisting and flame-retarding characteristic, improves compensating cable
Antijamming capability, it is ensured that cable safely and steadily runs；There is preferable resistance to elevated temperatures, can ensure
Thermal Meter system normally works under high temperature and emergency circumstances, improves the service life of Thermal Meter.
The present invention uses two first identical compensating conductor the 1, second compensating conductors 2, it is achieved divide transmission of electricity current-carrying capacity
Stream, it is to avoid too high and cause compensating cable service life reduction at single compensating conductor transmission of electricity current-carrying capacity；Simultaneously the
Between one compensating conductor the 1, second compensating conductor 2, newly-increased olive shape elastomer 6, improves the anti-extrusion of cable
Performance, prevents from causing first compensating conductor the 1, second compensating conductor 2 to misplace when cable distortion, extruding.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (5)
1. a compensating cable for thermocouple, it is characterised in that: include first compensating conductor (1) and
Root the second compensating conductor (2), the first compensating conductor (1), the cross section of the second compensating conductor (2) are flat
Shape, the first compensating conductor (1) is by the first compensating wire group and is coated on answering outside the first compensating wire group successively
Condensating fiber cloth lapping layer (12), soft copper band lapped shielding layer (13) and polyvinyl chloride inner sheath layer (14) structure
Becoming, the second compensating conductor (2) is by the second compensating wire group (21) and is coated on the second compensating wire group successively
(21) protect in complex fabric cloth lapping layer (22), soft copper band lapped shielding layer (23) and polyvinyl chloride outward
Jacket layer (24) is constituted；First compensating conductor (1) is parallel with the second compensating conductor (2) and just to layout,
The first compensating conductor (1), the second compensating conductor (2) be coated with the most successively fire-resistant isinglass belt lapping layer (3),
Tinned copper wire braided overall-shielding layer (4), polyvinyl chloride external sheath layer (5), the first compensating conductor (1),
Two compensating conductors (2) contact with fire-resistant isinglass belt lapping layer (3), the first compensating conductor (1), second
It is provided with olive shape elastomer (6) between compensating conductor (2) to separate, and two of olive shape elastomer (6)
The midpoint of minor arc leans with the first compensating conductor (1), the second compensating conductor (2) respectively, two minor arcs two
End leans with fire-resistant isinglass belt lapping layer (3) respectively；
The pvc sheathing compound that polyvinyl chloride inner sheath layer, polyvinyl chloride external sheath layer are used, including with
Lower weight portion composition: Corvic: 80～120, polyurethane rubber: 20～30, polyvinyl resin:
15～25, inorganic filler: 15～20, organic filler: 10～15, fire retardant: 6～8, antiaging agent: 3～
5, processing aid: 1～5, accelerator: 0.5～3.
Compensating cable for thermocouple the most according to claim 1, it is characterised in that: the first compensating conductor
(1) cross-sectional sizes is equal with the cross-sectional sizes of the second compensating conductor (2).
Compensating cable for thermocouple the most according to claim 1, it is characterised in that: the first compensating wire
Group includes two first compensating wires (11), the first compensating wire (11) by single copper cash (111) and
The insulating barrier (112) being coated on copper cash is constituted.
Compensating cable for thermocouple the most according to claim 1, it is characterised in that: the second compensating wire
Group includes two second compensating wires (21), and the second compensating wire (21) is by many stranded copper wires (211)
And the insulating barrier (212) that is coated on copper wire is constituted.
Compensating cable for thermocouple the most according to claim 1, it is characterised in that: the first compensating conductor
(1), the complex fabric cloth lapping layer on the second compensating conductor (2) is by the fire-resistant isinglass belt of internal layer and outer layer
The bonding composition of fiber cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062420.2A CN103854779B (en) | 2014-02-24 | 2014-02-24 | A kind of compensating cable for thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410062420.2A CN103854779B (en) | 2014-02-24 | 2014-02-24 | A kind of compensating cable for thermocouple |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103854779A CN103854779A (en) | 2014-06-11 |
| CN103854779B true CN103854779B (en) | 2016-08-24 |
Family
ID=50862324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410062420.2A Expired - Fee Related CN103854779B (en) | 2014-02-24 | 2014-02-24 | A kind of compensating cable for thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103854779B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104332228B (en) * | 2014-09-10 | 2017-02-01 | 安徽慧艺线缆集团有限公司 | Overvoltage-resistant heat insulation type thermocouple compensation cable |
| CN107312207A (en) * | 2017-06-23 | 2017-11-03 | 安徽吉安特种线缆制造有限公司 | A kind of methanation device thermocouple cable protective cover material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2807415Y (en) * | 2004-12-20 | 2006-08-16 | 安徽环宇电缆集团有限公司 | Polyvinyl chloride insulated elastic rubber sheath building-out cable |
| CN201383372Y (en) * | 2009-04-09 | 2010-01-13 | 四川明星电缆股份有限公司 | Radiation-resistance combination shielding compensation cable used for nuclear power station |
| CN202205492U (en) * | 2011-08-03 | 2012-04-25 | 安徽中安海兴电缆集团有限公司 | Heat-resisting compensation cable for thermocouple |
| CN202796165U (en) * | 2012-08-24 | 2013-03-13 | 安徽华星电缆集团有限公司 | Novel fire-resistant compensating lead wire |
| CN203826076U (en) * | 2014-02-24 | 2014-09-10 | 安徽华联电缆集团有限公司 | Compensation cable used for thermoelectric couple |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200444267Y1 (en) * | 2008-10-23 | 2009-04-24 | 이경희 | A Structure of Electric Cable using only Thermocouple |
-
2014
- 2014-02-24 CN CN201410062420.2A patent/CN103854779B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2807415Y (en) * | 2004-12-20 | 2006-08-16 | 安徽环宇电缆集团有限公司 | Polyvinyl chloride insulated elastic rubber sheath building-out cable |
| CN201383372Y (en) * | 2009-04-09 | 2010-01-13 | 四川明星电缆股份有限公司 | Radiation-resistance combination shielding compensation cable used for nuclear power station |
| CN202205492U (en) * | 2011-08-03 | 2012-04-25 | 安徽中安海兴电缆集团有限公司 | Heat-resisting compensation cable for thermocouple |
| CN202796165U (en) * | 2012-08-24 | 2013-03-13 | 安徽华星电缆集团有限公司 | Novel fire-resistant compensating lead wire |
| CN203826076U (en) * | 2014-02-24 | 2014-09-10 | 安徽华联电缆集团有限公司 | Compensation cable used for thermoelectric couple |
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| Publication number | Publication date |
|---|---|
| CN103854779A (en) | 2014-06-11 |
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Granted publication date: 20160824 Termination date: 20190224 |
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