CN101976595A - Combined paper-covered flexible copper stranded conductor - Google Patents
Combined paper-covered flexible copper stranded conductor Download PDFInfo
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- CN101976595A CN101976595A CN 201010244723 CN201010244723A CN101976595A CN 101976595 A CN101976595 A CN 101976595A CN 201010244723 CN201010244723 CN 201010244723 CN 201010244723 A CN201010244723 A CN 201010244723A CN 101976595 A CN101976595 A CN 101976595A
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Abstract
The invention discloses a combined paper-covered flexible copper stranded conductor, which comprises a conductive inner core, an adhesive layer and an insulating paper layer, wherein the conductive inner core comprises an inner-core principal line and at least two inner-core sub-lines around the inner-core principal line, and the inner-core principal line and the inner-core sub-lines are in stranded connection; the outer surface of the conductive inner core and the adhesive layer are combined by way of filling, and the adhesive layer and the insulating paper layer are also combined by way of filling; and the inner surface of the insulating paper layer is provided with network-shaped concave filling holes, the inner-core principal line and the inner-core sub-lines of the conductive inner core are all in a combined structure, and the combined structure comprises two mutually-stranded copper-silver alloy wires, a copper-silver fusion layer and a silver-aluminum conductive layer, wherein the weight percentage of the silver in the copper-silver alloy wire is 0.1 to 0.15 percent. The invention has the advantages of good electrical conductivity, thermal conductivity, high electrical insulation strength, good mechanical properties and strong toughness.
Description
Technical field
The present invention relates to a kind of paper bag annealed copper strand wire, relate in particular to a kind of composite type paper bag annealed copper strand wire, be applicable to that specifically the internal connection line of all kinds of oil-immersed type transformers and electric equipment is used.
Background technology
The paper bag annealed copper strand wire is applicable to the internal connection line usefulness of all kinds of oil-immersed type transformers and electric equipment, as the insulator of transformer high-voltage side, switch connect lead-in wire and large and medium-sized transformer in, the low pressure wiring, therefore the paper bag annealed copper strand wire not only needs to have the favorable conductive heat conductivility, and need have the favorable mechanical performance, indeformable in the time of could guaranteeing to use, do not fracture.
The Chinese patent Granted publication number is CN201402641Y, Granted publication day is that the utility model patent on February 10th, 2010 discloses a kind of single face coating self-adhesion lacquer enamel-cover paper bag composite conductor, this lead is by copper strap wire, the acetal enamelled coating, insulating paper, epoxy self-bonding enamelled coating and paraffin layer are formed, copper strap wire is two, the periphery of every copper strap wire all is coated with the acetal enamelled coating, one side of two copper strap wire length directions applies the epoxy self-bonding enamelled coating respectively, two copper strap wires link to each other by the epoxy self-bonding enamelled coating, two copper strap wires that link to each other hold insulating paper outward, and paraffin layer is positioned at insulating paper one side.Though this utility model has improved the mechanical strength of paper bag annealed copper strand wire, can resist the impact of big electric current to a certain extent, its electrical and thermal conductivity is not good, and radiating effect is relatively poor, and insulation effect is bad, and the electric insulation effect is relatively poor.
Summary of the invention
The objective of the invention is to overcome the defective that electrical and thermal conductivity is not good, the electric insulation effect is relatively poor, mechanical performance is not strong and the problem that exist in the prior art, the composite type paper bag annealed copper strand wire that a kind of electrical and thermal conductivity is better, the electric insulation effect is better, mechanical performance is stronger is provided.
For realizing above purpose, technical solution of the present invention is: a kind of composite type paper bag annealed copper strand wire, comprise conduction inner core, adhesive layer and insulating paper layer, and the outer surface of described conduction inner core is connected with insulating paper layer by adhesive layer; Described conduction inner core comprises inner core main line and inner core by-pass on every side thereof, and the quantity of inner core main line is one, and the quantity of inner core by-pass is at least two, and the inner core main line is connected with the inner core by-pass is stranded.
The cross section of described inner core main line is oval, and the cross section of inner core by-pass is circular, and the quantity of inner core by-pass is four, and all is stranded syndeton around the inner core main line.
The outer surface of described conduction inner core and the combination of adhesive layer are filled type, and the combination of adhesive layer and insulating paper layer also is a filled type, and are provided with network-like filling shrinkage pool at the inner surface of insulating paper layer.
The manufactured materials of described insulating paper layer is an epoxy resin, and the manufactured materials of adhesive layer is an epoxy curing agent.
Inner core main line and inner core by-pass are combining structure in the described conduction inner core, and this combining structure comprises two stranded mutually Kufil gold threads, copper silver fused layer and silver-colored aluminium conductive layer, and the Kufil gold thread is connected with silver-colored aluminium conductive layer by copper silver fused layer.
The cross section of described Kufil gold thread is circular, oval or oblate, and the cross section of copper silver fused layer and silver-colored aluminium conductive layer is ellipse, and the two constitutes circulus.
The percentage by weight of silver is 0.1%-0.15% in the described Kufil gold thread.
Compared with prior art, beneficial effect of the present invention is:
1. be combining structure owing to conduct included inner core main line and the inner core by-pass of inner core in a kind of composite type paper bag of the present invention annealed copper strand wire, combining structure comprises two stranded mutually Kufil gold threads, copper silver fused layer and silver-colored aluminium conductive layer from inside to outside successively, and the percentage by weight of silver is 0.1%-0.15% in the Kufil gold thread, those designs make the present invention not only have conductivity preferably, and has a thermal conductivity preferably, in addition, as main raw material(s), production and processing cost have been saved with copper.Therefore electrical and thermal conductivity of the present invention is better.
Since in a kind of composite type paper bag of the present invention annealed copper strand wire the conduction inner core by the inner core main line and the inner core by-pass is stranded forms, and the internal structure of inner core main line and inner core by-pass is combining structure, the mid portion of this combining structure is by two stranded forming of Kufil gold thread, be disposed with copper silver fused layer and silver-colored aluminium conductive layer then in the outside of mid portion, the inner core main line and the inner core by-pass of this kind structure not only have stronger toughness, and has a higher mechanical strength, during use, not only easily reverse, and frangibility not.Therefore mechanical performance of the present invention is stronger.
3. the outer surface owing to conduction inner core in a kind of composite type paper bag of the present invention annealed copper strand wire is connected with insulating paper layer by adhesive layer, and the inner surface of insulating paper layer is provided with network-like filling shrinkage pool, this filling shrinkage pool can improve the filling effect between adhesive layer and the insulating paper layer, simultaneously, the filling mode of taking between the outer surface of conduction inner core and the adhesive layer can guarantee to conduct the bond effect between inner core and the adhesive layer, guarantee seamless existence, in addition, the manufactured materials epoxy resin that insulating paper layer is taked, the manufactured materials epoxy curing agent that adhesive layer is taked can be guaranteed wear-resisting, resistance to pressure under the prerequisite, provides stronger electric insulation intensity preferably.Therefore electric insulation intensity of the present invention is stronger.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of insulating barrier among Fig. 1.
Fig. 3 is the structural representation of inner core main line among the present invention.
Fig. 4 is the structural representation of inner core by-pass among the present invention.
Among the figure: adhesive layer 1, conduction inner core 2, inner core main line 21, inner core by-pass 22, insulating paper layer 3 is filled shrinkage pool 31, Kufil gold thread 4, copper silver fused layer 5, silver-colored aluminium conductive layer 6.
Embodiment
The present invention is further detailed explanation below in conjunction with description of drawings and embodiment
Referring to Fig. 1, a kind of composite type paper bag annealed copper strand wire, comprise conduction inner core 2, adhesive layer 1 and insulating paper layer 3 from inside to outside successively, the outer surface of conduction inner core 2 closely is connected with insulating paper layer 3 by adhesive layer 1, comprise inner core main line 21 in the conduction inner core 2 and center on its inner core by-pass 22 on every side, the quantity of inner core main line 21 is one, and the quantity of inner core by-pass 22 is at least two, and inner core main line 21 and 22 stranded connections of inner core by-pass.The cross section of preferred inner core main line 21 is oval, and the cross section of inner core by-pass 22 is circular, and the quantity of inner core by-pass 22 is four, and all is stranded syndeton around inner core main line 21.
Referring to Fig. 2, the outer surface of conduction inner core 2 and the combination of adhesive layer 1 are filled type, adhesive layer 1 also is a filled type with the combination of insulating paper layer 3, promptly fill and the outer surface of conduction inner core 2 and all spaces between the insulating paper layer 3 by adhesive layer 1, guarantee seamless existence, and the inner surface in insulating paper layer 3 is provided with network-like filling shrinkage pool 31, the mechanical strength after this filling shrinkage pool 31 can improve filling effect and fill.The manufactured materials of preferred insulating paper layer 3 is an epoxy resin, and the manufactured materials of adhesive layer 1 is an epoxy curing agent, and this material has good electric insulation intensity.
Referring to Fig. 3 and Fig. 4, inner core main line 21 is combining structure with inner core by-pass 22 in the conduction inner core 2, this combining structure comprises two stranded mutually Kufil gold threads 4, copper silver fused layer 5 and silver-colored aluminium conductive layer 6 from inside to outside successively, Kufil gold thread 4 is connected with silver-colored aluminium conductive layer 6 by copper silver fused layer 5, the cross section of this Kufil gold thread 4 is circular, oval or oblate, copper silver fused layer 5 is ellipse with the cross section of silver-colored aluminium conductive layer 6, and the two common formation circulus, and the percentage by weight of silver is 0.1%-0.15% in Kufil gold thread 4.
Therefore the present invention not only has electrical and thermal conductivity and electric insulation intensity preferably, and have preferably mechanical performance, toughness is stronger.
The above only is a better embodiment of the present invention; protection scope of the present invention is not exceeded with above-mentioned execution mode; as long as the equivalence that those of ordinary skills do according to disclosed content is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (7)
1. composite type paper bag annealed copper strand wire, comprise conduction inner core (2), adhesive layer (1) and insulating paper layer (3), the outer surface of described conduction inner core (2) is connected with insulating paper layer (3) by adhesive layer (1), it is characterized in that: described conduction inner core (2) comprises inner core main line (21) and inner core by-pass (22) on every side thereof, the quantity of inner core main line (21) is one, the quantity of inner core by-pass (22) is at least two, and inner core main line (21) and stranded connection of inner core by-pass (22).
2. a kind of composite type paper bag annealed copper strand wire according to claim 1, it is characterized in that: the cross section of described inner core main line (21) is for oval, the cross section of inner core by-pass (22) is circular, and the quantity of inner core by-pass (22) is four, and all is stranded syndeton around inner core main line (21).
3. a kind of composite type paper bag annealed copper strand wire according to claim 1 and 2, it is characterized in that: the combination of the outer surface of described conduction inner core (2) and adhesive layer (1) is a filled type, adhesive layer (1) also is a filled type with the combination of insulating paper layer (3), and is provided with network-like filling shrinkage pool (31) at the inner surface of insulating paper layer (3).
4. a kind of composite type paper bag annealed copper strand wire according to claim 3, it is characterized in that: the manufactured materials of described insulating paper layer (3) is an epoxy resin, the manufactured materials of adhesive layer (1) is an epoxy curing agent.
5. a kind of composite type paper bag annealed copper strand wire according to claim 3, it is characterized in that: inner core main line (21) is combining structure with inner core by-pass (22) in the described conduction inner core (2), this combining structure comprises stranded mutually two Kufil gold threads (4), copper silver fused layer (5) and silver-colored aluminium conductive layer (6), and Kufil gold thread (4) is connected with silver-colored aluminium conductive layer (6) by copper silver fused layer (5).
6. a kind of composite type paper bag annealed copper strand wire according to claim 5, it is characterized in that: the cross section of described Kufil gold thread (4) is for circular, oval or oblate, copper silver fused layer (5) is ellipse with the cross section of silver-colored aluminium conductive layer (6), and the two constitutes circulus.
7. according to claim 5 or 6 described a kind of composite type paper bag annealed copper strand wires, it is characterized in that: the percentage by weight of silver is 0.1%-0.15% in the described Kufil gold thread (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010244723 CN101976595A (en) | 2010-08-03 | 2010-08-03 | Combined paper-covered flexible copper stranded conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010244723 CN101976595A (en) | 2010-08-03 | 2010-08-03 | Combined paper-covered flexible copper stranded conductor |
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| Publication Number | Publication Date |
|---|---|
| CN101976595A true CN101976595A (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010244723 Pending CN101976595A (en) | 2010-08-03 | 2010-08-03 | Combined paper-covered flexible copper stranded conductor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971774A (en) * | 2017-05-25 | 2017-07-21 | 江苏鑫海铜业有限公司 | A kind of Combined paper-covered flexible copper stranded conductor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58144563A (en) * | 1982-02-22 | 1983-08-27 | Mitsubishi Electric Corp | Manufacture of coil conductor |
| JPH09308161A (en) * | 1996-05-09 | 1997-11-28 | Shinko Electric Co Ltd | Ammonia-proof insulation coil of rotating machine |
| US6087583A (en) * | 1997-11-12 | 2000-07-11 | Alcatel | Multiwire parallel conductor |
| CN101707064A (en) * | 2009-06-03 | 2010-05-12 | 无锡锡洲电磁线有限公司 | Paper-insulated copper silver alloy single side self-stuck enameled wire assembled conducting wire |
| CN201877162U (en) * | 2010-08-03 | 2011-06-22 | 昆山市七浦电刷线有限公司 | Combined paper-packaged annealed copper strand wire |
-
2010
- 2010-08-03 CN CN 201010244723 patent/CN101976595A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58144563A (en) * | 1982-02-22 | 1983-08-27 | Mitsubishi Electric Corp | Manufacture of coil conductor |
| JPH09308161A (en) * | 1996-05-09 | 1997-11-28 | Shinko Electric Co Ltd | Ammonia-proof insulation coil of rotating machine |
| US6087583A (en) * | 1997-11-12 | 2000-07-11 | Alcatel | Multiwire parallel conductor |
| CN101707064A (en) * | 2009-06-03 | 2010-05-12 | 无锡锡洲电磁线有限公司 | Paper-insulated copper silver alloy single side self-stuck enameled wire assembled conducting wire |
| CN201877162U (en) * | 2010-08-03 | 2011-06-22 | 昆山市七浦电刷线有限公司 | Combined paper-packaged annealed copper strand wire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971774A (en) * | 2017-05-25 | 2017-07-21 | 江苏鑫海铜业有限公司 | A kind of Combined paper-covered flexible copper stranded conductor |
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Application publication date: 20110216 |