CN1870182A - Heat fading compositions of cable sheath bond and heat fading cable using said compositions - Google Patents

Heat fading compositions of cable sheath bond and heat fading cable using said compositions Download PDF

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Publication number
CN1870182A
CN1870182A CNA2006100725266A CN200610072526A CN1870182A CN 1870182 A CN1870182 A CN 1870182A CN A2006100725266 A CNA2006100725266 A CN A2006100725266A CN 200610072526 A CN200610072526 A CN 200610072526A CN 1870182 A CN1870182 A CN 1870182A
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China
Prior art keywords
cable
color
thermo
heat fading
ing
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Granted
Application number
CNA2006100725266A
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Chinese (zh)
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CN100524544C (en
Inventor
金政善
朴度炫
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LS Cable and Systems Ltd
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LS Cable Ltd
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Publication of CN1870182A publication Critical patent/CN1870182A/en
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Publication of CN100524544C publication Critical patent/CN100524544C/en
Expired - Fee Related legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • B65D25/04Partitions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/08Materials, e.g. different materials, enclosed in separate compartments formed during filling of a single container
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D77/00Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/22Details
    • B65D77/24Inserts or accessories added or incorporated during filling of containers
    • B65D77/245Utensils for removing the contents from the package, e.g. spoons, forks, spatulas

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Insulated Conductors (AREA)
  • Electric Cable Installation (AREA)

Abstract

The invention discloses a heat fading complex that is used at cable jacket, the heat fading complex is used to cover metallic conductor bundle of cable. The heat fading complex contains heat fading paint, uses basic resin as base to make the color of heat fading paint changing by temperature. Therefore, if the procreant current leading the cable temperature rose above the critical hot-resistance temperature, the heat fading complex used at cable jacket can be used to ensure the over hot state of whole cable, but not need to adopt any electric thermocouple.

Description

The thermo-color synthetic of cable cover(ing) and use the thermo-color cable of this synthetic
Technical field
The present invention relates to a kind of thermo-color synthetic (thermochromiccomposition) of cable cover(ing) (sheath) and thermo-color cable that uses this synthetic of being used for, relate more specifically to the thermo-color synthetic of a kind of formation cable coating layer (coating layer) and the thermo-color cable that uses this synthetic.
Background technology
Usually, cable is used for electric power transfer or signal transmission, and representative example as shown in Figure 1.With reference to figure 1, common cable comprises: center tension member (tension member) 1, and it is used for providing tension force to the whole piece cable; A plurality of metallic conductors 2, its gathering ring is around center tension member 1; Belting layer (taping layer) 3, it is used to make a plurality of metallic conductor 2 combinations; And coating layer 4, it is used to protect cable to avoid the influence of external environment condition.
And cable is installed on the ground or is underground.Therefore, if the installation environment of cable is relatively poor, then may produce overcurrent on the cable.If produced overcurrent, then cable may be overheated, causes by burning or on fire and make cable bad.Therefore, need to find the superheat state of cable more quickly and accurately, and take an immediate action.
For this reason, the multiple method of estimating the cable superheat state has been proposed.For example, Korean utility model registration No. No.344236 discloses a kind of device of estimating cable temperature.With reference to Fig. 2 that said apparatus is shown, thermocouple comprises: thermometer 10, and it is installed near cable; Housing 20, it is used for support temperature meter 10; And fixture 30, it is used for housing 20 is fixed to cable 40.In aforesaid thermocouple, thermometer 10 contact cables 40 are with the superheat state of sensing cable.
Yet it is unpractical that thermocouple is installed on the whole piece cable, so traditional thermocouple mainly only is installed on the zone that may produce overcurrent.Therefore, be not easy to estimate the temperature of whole piece cable.And following problem has appearred, if promptly do not possess expensive temperature monitoring system, just be difficult to the superheat state of sensing cable.
Summary of the invention
The present invention is intended to solve the problems of the prior art.Therefore, the object of the present invention is to provide a kind of thermo-color cable that is used for the thermo-color synthetic of cable cover(ing) and uses this thermo-color synthetic, can find the superheat state that cable takes place and the superheat state of sensing whole piece cable easily intuitively.
To achieve these goals, the invention provides a kind of thermo-color synthetic that is used for cable cover(ing), this thermo-color synthetic is used for cover metallic conductor bundle of cable, this thermo-color synthetic comprises thermochromic pigment, and it makes the color of this thermochromic pigment change with variation of temperature by using matrix resin as matrix.
At this, this thermochromic pigment can be at least two kinds of mixtures with pigment of different temperatures induction range.
Simultaneously, the change color of this thermochromic pigment is reversible with variation of temperature.
According to another embodiment of the present invention, be used at least a compound of matrix resin for selecting of the thermo-color synthetic of cable cover(ing) from polyvinyl chloride, polyolefin and ethylene-vinyl acetate copolymer, or the mixture of two kinds of compounds.
Another program of the present invention provides a kind of thermo-color cable, and it comprises a plurality of metallic conductors; And the coating layer that covers a plurality of metallic conductors, wherein this coating layer is made of the thermo-color synthetic that is used for cable cover(ing), this thermo-color synthetic comprises thermochromic pigment, and this thermochromic pigment makes its color change with variation of temperature by using matrix resin as matrix.
Description of drawings
Other purpose of the present invention and scheme will be with reference to the accompanying drawings by following detailed description to embodiment and clearer, in the accompanying drawings:
Fig. 1 shows the cross-sectional view of traditional cable structure; And
Fig. 2 shows the stereogram according to the thermocouple of prior art.
Embodiment
Below, with preferred embodiment of the present invention will be described in detail by reference to the drawing.Before describing, be to be understood that the term that uses not should be understood to only limit to general sense and literal meaning in the specification and the claims of enclosing, and should allow the inventor appropriately to define to be interpreted as under the principle of term for explanation better based on corresponding implication of technical solution of the present invention and notion.Therefore, only be preferred embodiment in this explanation for task of explanation, be not limitation of the scope of the invention, so be to be understood that under the situation that does not break away from the spirit and scope of the present invention, can carry out other remodeling of equal value and revise.
Use a kind of matrix resin (baseresin) as matrix according to the thermo-color synthetic that is used for cable cover(ing) of the present invention, and this thermo-color synthetic comprise thermochromic pigment.
Temperature around term " thermochromic pigment " refers to respond can demonstrate the compound of different colours, and " thermochromic pigment " can be called electrochromic compound.This thermochromic pigment is by power supply sub-compound (coupling agent (coupler)) and formed by electron compound (developer).When these two kinds of compounds respond to variations in temperature, their generation crystal that reacts to each other, thus change has taken place in color.That is, at the sub-compound of power supply be subjected between the electron compound providing and acceptable response of electronics taken place, thereby show different colors.And just do not keep color constant when between these two kinds of compounds, having electron transfer.This kind change color is reversible with variation of temperature.
This sub-compound of powering is leuco-compounds, and is specialty dyes, has by reducing the become colorless function of state of coloured dyestuff.For example, triphenylmenthane, fluorane or rhodamine lactams (rhodaminelactam) etc. can be used as this kind dyestuff, but the present invention is not limited to this.
This is subjected to electronic material for accepting the material that electronics causes color reaction from leuco-compounds.For example, phenolic compounds such as bis-phenol, alkyl phenol, Novolac phenolic resins, aromatic carboxylic acid derivatives and metallic salt thereof, hydroxybenzoate, activated clay (activated clay) etc. can be used as and be subjected to electronic material, but the present invention is not limited to this.
The element cell (cell) that sub-material of power supply and the mixture that is subjected to electronic material need be isolated from the outside, thus sub-compound of power supply and the color that is subjected to electron compound reversibly shown.Therefore preferably these two kinds of materials are carried out microencapsulation.Because microencapsulation method is being known in the art, therefore omit detailed description to microencapsulation method.
If pigment has enough thermal endurances at 200 ℃ or above high temperature, and being encapsulated under the excessive mantle friction of pigment is not destroyed, thereby the performance of pigment can not degenerated under the suitable extrusion temperature of making cable, and then such pigment will preferably be used as thermochromic pigment.
Simultaneously, be used at least a compound of matrix resin for selecting of the thermo-color synthetic of cable cover(ing) from polyvinyl chloride (PVC), polyolefin and ethylene-vinyl acetate copolymer (EVA), or their mixture.
The advantage of described matrix resin is that it has good physical characteristic, for example chemical stability, dielectric constant and dielectric loss and dielectric strength, and be easy to processing and manufacturing.
Preferably, the thermo-color synthetic that is used for cable cover(ing) can also comprise: nontoxic fire retardant is used for preventing that the cable coating layer from being ignited easily under accidental situation such as on fire; And auxiliary flame retardant, be used for the function of auxiliary flame retardant.
In case of necessity, can also be crosslinked according to the thermo-color synthetic that is used for cable cover(ing) of the present invention with electron beam, ultraviolet ray, organic oxygen compound etc., and the associating crosslinking agent that here uses, antioxidant, lubricant, stabilizer, filler, colouring agent etc. also can add the thermo-color synthetic usually, and this does not break away from the spirit and scope of the present invention.
When using this thermo-color synthetic that is used for cable cover(ing) to form coating layer in the cable outside, if place unfavorable installation environment and overcurrent condition to cause cable to be in superheat state down on cable, then thermochromic pigment responds predetermined heat resisting temperature scope and changes into predetermined color.Therefore, the temperature of cable can be estimated by the change color of cable coating layer, and need not to adopt any thermocouple.
Sometimes, thermochromic pigment can be made up of at least two kinds of mixtures with pigment of different colours excursion.Thermochromic pigment shows various color according to different discoloring temperature scopes, and has developed the thermochromic pigment with colors such as black, red, blue, yellow, green, orange, deep red red, sky blue, purples.Therefore, if at least two kinds of pigment of selection mix and make cable from the thermochromic pigment of above-mentioned color, thereby cable can demonstrate specific color under specified temp, then can easily check the state of temperature of cable.
Another program of the present invention provides a kind of thermo-color cable that comprises a plurality of metallic conductors and thermo-color coating layer.
A plurality of metallic conductors are the electric conductor that is used for transmission signals or transferring electric power.
Coating layer is the covering jacket that is coated on the conductor, in order to protect a plurality of metallic conductors and to make a plurality of metallic conductor electric insulations.Coating layer is made of above-mentioned thermo-color synthetic.The coating layer of this programme is identical with above-mentioned coating layer, its detailed description of Therefore, omited.
This thermo-color cable can comprise the center tension member, and wherein assembling has a plurality of metallic conductors, and this center tension member provides tension force to cable.In addition, this thermo-color cable can also comprise belting layer between a plurality of metallic conductors and coating layer, and it is used to make a plurality of metallic conductor combinations.
The superheat state of this thermo-color cable of change color visual test at an easy rate by this coating layer.And, not only can be in the specific region of cable, but can on the whole piece cable, determine the superheat state of cable.
When many cables mutually combine,, then, therefore also can determine the superheat state of whole cable system at an easy rate because the color of thermo-color cable changes with the environment temperature variation if between many cables, insert at least one thermo-color cable.
As mentioned above, with reference to the accompanying drawings the present invention is had been described in detail.Yet, be to be understood that detailed description of the present invention and specific embodiment only are the purposes in order to explain, rather than limitation of the scope of the invention.Those skilled in the art can make various changes and modifications within the spirit and scope of the present invention apparently by above detailed description, therefore be to be understood that, by above detailed description to those skilled in the art, within the spirit and scope of the present invention other remodeling of equal value and modification are conspicuous.
Commercial Application
According to the present invention, critical anti-if the generation overcurrent condition causes the temperature of cable to be increased to greater than it Hot temperature, the thermo-color synthetic that is used for cable cover(ing) just can be used for determining the overheated shape of whole piece cable Attitude, and need not to adopt any thermocouple. Like this, can take action more in time and process the overheated of cable State can prolong service life of cable thus.

Claims (8)

1. thermo-color synthetic that is used for cable cover(ing), it is used for cover metallic conductor bundle of cable, comprising:
Thermochromic pigment, it makes its color change with variation of temperature by using matrix resin as matrix.
2. the thermo-color synthetic that is used for cable cover(ing) as claimed in claim 1, wherein this thermochromic pigment is at least two kinds of mixtures with pigment of different temperatures induction range.
3. the thermo-color synthetic that is used for cable cover(ing) as claimed in claim 1, wherein the change color of this thermochromic pigment is reversible with variation of temperature.
4. the thermo-color synthetic that is used for cable cover(ing) as claimed in claim 1, wherein this is used at least a compound of matrix resin for selecting from polyvinyl chloride, polyolefin and ethylene-vinyl acetate copolymer of the thermo-color synthetic of cable cover(ing), or their mixture.
5. thermo-color cable comprises:
A plurality of metallic conductors; And
Cover the coating layer of a plurality of metallic conductors;
Wherein this coating layer is made up of the thermo-color synthetic that is used for cable cover(ing), and this thermo-color synthetic comprises thermochromic pigment, and it makes its color change with variation of temperature by using matrix resin as matrix.
6. thermo-color cable as claimed in claim 5, wherein this thermochromic pigment is at least two kinds of mixtures with pigment of different temperatures induction range.
7. thermo-color cable as claimed in claim 5, wherein the change color of this thermochromic pigment is reversible with variation of temperature.
8. thermo-color cable as claimed in claim 5, wherein this is used at least a compound of matrix resin for selecting from polyvinyl chloride, polyolefin and ethylene-vinyl acetate copolymer of the thermo-color synthetic of cable cover(ing), or their mixture.
CNB2006100725266A 2005-04-12 2006-04-12 Heat fading compositions of cable sheath bond and heat fading cable using said compositions Expired - Fee Related CN100524544C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020050030426A KR100721637B1 (en) 2005-04-12 2005-04-12 Thermochromic composite for cable sheath and thermochromic electric cable using the same
KR1020050030426 2005-04-12

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CN1870182A true CN1870182A (en) 2006-11-29
CN100524544C CN100524544C (en) 2009-08-05

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CN103617829A (en) * 2013-12-03 2014-03-05 国家电网公司 Temperature memory color-changing insulating material and insulating bush
CN103854796A (en) * 2014-02-23 2014-06-11 安徽华海特种电缆集团有限公司 Recoverable linetype damp-proof temperature sensing cable
CN105679448A (en) * 2016-04-29 2016-06-15 张敬敏 High-voltage cable capable of changing color when live and preparation method thereof
CN103617829B (en) * 2013-12-03 2016-11-30 江苏省电力公司扬州供电公司 A kind of colour-changing insulated material of temperature memory and insulated sleeve
CN108084605A (en) * 2017-12-26 2018-05-29 宜兴市光辉包装材料有限公司 Thermo-color PVC thermal contractive label membrane preparation methods

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103617829A (en) * 2013-12-03 2014-03-05 国家电网公司 Temperature memory color-changing insulating material and insulating bush
CN103617829B (en) * 2013-12-03 2016-11-30 江苏省电力公司扬州供电公司 A kind of colour-changing insulated material of temperature memory and insulated sleeve
CN103854796A (en) * 2014-02-23 2014-06-11 安徽华海特种电缆集团有限公司 Recoverable linetype damp-proof temperature sensing cable
CN105679448A (en) * 2016-04-29 2016-06-15 张敬敏 High-voltage cable capable of changing color when live and preparation method thereof
CN108084605A (en) * 2017-12-26 2018-05-29 宜兴市光辉包装材料有限公司 Thermo-color PVC thermal contractive label membrane preparation methods

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CN100524544C (en) 2009-08-05
KR20060108287A (en) 2006-10-17
JP2006294625A (en) 2006-10-26
KR100721637B1 (en) 2007-05-23

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