CN100524544C - 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 PDFInfo
- Publication number
- CN100524544C CN100524544C CNB2006100725266A CN200610072526A CN100524544C CN 100524544 C CN100524544 C CN 100524544C CN B2006100725266 A CNB2006100725266 A CN B2006100725266A CN 200610072526 A CN200610072526 A CN 200610072526A CN 100524544 C CN100524544 C CN 100524544C
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- Prior art keywords
- cable
- color
- thermo
- compound
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
- B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/04—Partitions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/08—Materials, e.g. different materials, enclosed in separate compartments formed during filling of a single container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS 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
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/22—Details
- B65D77/24—Inserts or accessories added or incorporated during filling of containers
- B65D77/245—Utensils for removing the contents from the package, e.g. spoons, forks, spatulas
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
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, it makes the color of this thermochromic pigment change with variation of temperature by using matrix resin as matrix, wherein this thermochromic pigment is by power supply sub-compound and formed by electron compound, this sub-compound of powering is leuco-compounds, have by reducing the become colorless function of state of coloured dyestuff, and this is subjected to electron compound for accepting the material that electronics causes color reaction from these leuco-compounds.
At this, this thermochromic pigment can be at least two kinds of mixtures with pigment of different temperatures induction range.
Simultaneously, this sub-compound of powering is the specialty dyes of choosing from the group that triphenylmenthane, fluorane and rhodamine lactams are formed, and this to be subjected to electron compound be the material of choosing from the group that phenolic compound, aromatic carboxylic acid derivatives and metallic salt thereof, hydroxybenzoate and activated clay are formed.
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, this thermochromic pigment makes its color change with variation of temperature by using matrix resin as matrix, wherein this thermochromic pigment is by power supply sub-compound and formed by electron compound, this sub-compound of powering is leuco-compounds, have by reducing the become colorless function of state of coloured dyestuff, and this is subjected to electron compound for accepting the material that electronics causes color reaction from these leuco-compounds.
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,
Wherein this thermochromic pigment is by power supply sub-compound and formed by electron compound, this sub-compound of powering is leuco-compounds, have by reducing the become colorless function of state of coloured dyestuff, and this is subjected to electron compound for accepting the material that electronics causes color reaction from these leuco-compounds.
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 or 2, wherein the sub-compound of this power supply is the specialty dyes of choosing from the group that triphenylmenthane, fluorane and rhodamine lactams are formed, and this to be subjected to electron compound be the material of choosing from the group that phenolic compound, aromatic carboxylic acid derivatives and metallic salt thereof, hydroxybenzoate and activated clay are formed.
4. the thermo-color synthetic that is used for cable cover(ing) as claimed in claim 3, 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,
Wherein this thermochromic pigment is by power supply sub-compound and formed by electron compound, this sub-compound of powering is leuco-compounds, have by reducing the become colorless function of state of coloured dyestuff, and this is subjected to electron compound for accepting the material that electronics causes color reaction from these leuco-compounds.
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. as claim 4 or 5 described thermo-color cables, wherein the sub-compound of this power supply is the specialty dyes of choosing from the group that triphenylmenthane, fluorane and rhodamine lactams are formed, and this to be subjected to electron compound be the material of choosing from the group that phenolic compound, aromatic carboxylic acid derivatives and metallic salt thereof, hydroxybenzoate, activated clay are formed.
8. thermo-color cable as claimed in claim 7, 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.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1870182A CN1870182A (en) | 2006-11-29 |
| CN100524544C true CN100524544C (en) | 2009-08-05 |
Family
ID=37414913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100725266A Expired - Fee Related CN100524544C (en) | 2005-04-12 | 2006-04-12 | Heat fading compositions of cable sheath bond and heat fading cable using said compositions |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2006294625A (en) |
| KR (1) | KR100721637B1 (en) |
| CN (1) | CN100524544C (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010281606A (en) * | 2009-06-02 | 2010-12-16 | Osaka Gas Co Ltd | Lifetime evaluating material and rubber pipe |
| CN103854796B (en) * | 2014-02-23 | 2016-04-06 | 安徽华海特种电缆集团有限公司 | The damp proof temperature sensing cable of a kind of renewable type line style |
| CN105679448A (en) * | 2016-04-29 | 2016-06-15 | 张敬敏 | High-voltage cable capable of changing color when live and preparation method thereof |
| KR101875007B1 (en) | 2016-11-15 | 2018-07-05 | 한남대학교 산학협력단 | a thermosensitive fan |
| WO2018126352A1 (en) | 2017-01-04 | 2018-07-12 | Abb Schweiz Ag | Thermochromic polymer composition, electrical device, and corresponding use and processes |
| CN108084605B (en) * | 2017-12-26 | 2020-05-22 | 宜兴市光辉包装材料有限公司 | Preparation method of thermochromic PVC heat-shrinkable label film |
| JP7328780B2 (en) * | 2019-04-02 | 2023-08-17 | 中日本高速道路株式会社 | CABLE STRENGTH DECISION DETERMINATION METHOD AND HEAT RECEIVED TEMPERATURE HISTORY DISPLAY STRUCTURE USED IN THE METHOD |
| KR102434378B1 (en) * | 2020-07-17 | 2022-08-19 | 주식회사 건원 | IoT-based underground cable connection monitoring and self-diagnosis system |
| KR102398314B1 (en) | 2020-11-18 | 2022-05-16 | 강소영 | Insulation for monitoring sign of electrical fire and manufacturing method thereof |
| CN114937526B (en) * | 2022-05-16 | 2024-03-08 | 崔猛 | Cable with abnormal junction self-early warning function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5922996A (en) * | 1994-09-27 | 1999-07-13 | Rizzo Development Corp. | Electrical insulated cable having means for indicating malfunctions |
| US20020149003A1 (en) * | 2000-01-11 | 2002-10-17 | Lucht Brett L. | Thermochromic polymers for rapid visual assessment of temperature |
| US6596943B1 (en) * | 1998-04-20 | 2003-07-22 | At&T Laboratories-Cambridge Ltd. | Cables |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH046712A (en) * | 1990-04-24 | 1992-01-10 | Daikyo Denshi Densen Kk | Wire and wiring accessory |
| JPH10241470A (en) | 1997-02-21 | 1998-09-11 | Fujikura Ltd | Thermo-color change electric wire, cable, and electric component |
| JPH11195329A (en) * | 1998-01-07 | 1999-07-21 | Kenji Hagiwara | Resin covered conductor and resin covered wiring device |
| JPH11213767A (en) * | 1998-01-19 | 1999-08-06 | Hinhatsu Ka | Over-load alarming apparatus for electric wire |
| JP2000118581A (en) * | 1998-10-14 | 2000-04-25 | Japan Metals & Chem Co Ltd | Heat-sensitive discoloration cap for aerosol vessel |
| KR100384128B1 (en) * | 2001-03-21 | 2003-05-14 | 엘지전선 주식회사 | A duplex thin wall insulation wire |
| JP3967094B2 (en) * | 2001-05-29 | 2007-08-29 | 日立電線株式会社 | Polyvinyl chloride resin composition-coated wires and cables |
| KR20030097388A (en) * | 2002-06-20 | 2003-12-31 | 건설화학공업(주) | Composite of epoxy, epoxy-polyester type powder coatings Contain thermochromic materials and method of manufacture |
-
2005
- 2005-04-12 KR KR1020050030426A patent/KR100721637B1/en not_active IP Right Cessation
-
2006
- 2006-04-12 JP JP2006109671A patent/JP2006294625A/en active Pending
- 2006-04-12 CN CNB2006100725266A patent/CN100524544C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5922996A (en) * | 1994-09-27 | 1999-07-13 | Rizzo Development Corp. | Electrical insulated cable having means for indicating malfunctions |
| US6388194B1 (en) * | 1994-09-27 | 2002-05-14 | Hazardguard, Inc. | Electrical cable having indicating malfunction means therein |
| US6596943B1 (en) * | 1998-04-20 | 2003-07-22 | At&T Laboratories-Cambridge Ltd. | Cables |
| US20020149003A1 (en) * | 2000-01-11 | 2002-10-17 | Lucht Brett L. | Thermochromic polymers for rapid visual assessment of temperature |
| CN1547662A (en) * | 2001-01-10 | 2004-11-17 | �õ�������ά��˹���ظߵȽ������� | Thermochromic polymers for rapid visual assessment of temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060108287A (en) | 2006-10-17 |
| KR100721637B1 (en) | 2007-05-23 |
| JP2006294625A (en) | 2006-10-26 |
| CN1870182A (en) | 2006-11-29 |
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Granted publication date: 20090805 Termination date: 20210412 |