CN114069350A - Method for connecting carbon fiber heating wire and metal wire - Google Patents
Method for connecting carbon fiber heating wire and metal wire Download PDFInfo
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- CN114069350A CN114069350A CN202111373501.0A CN202111373501A CN114069350A CN 114069350 A CN114069350 A CN 114069350A CN 202111373501 A CN202111373501 A CN 202111373501A CN 114069350 A CN114069350 A CN 114069350A
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- carbon fiber
- heating wire
- fiber heating
- metal
- insulating layer
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- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 104
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 104
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 239000002184 metal Substances 0.000 title claims abstract description 80
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 80
- 238000010438 heat treatment Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 35
- 239000002243 precursor Substances 0.000 claims abstract description 32
- 238000003466 welding Methods 0.000 claims abstract description 27
- 238000002788 crimping Methods 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 18
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 238000005245 sintering Methods 0.000 claims abstract description 10
- 238000005238 degreasing Methods 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 22
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000000149 argon plasma sintering Methods 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000007598 dipping method Methods 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000004080 punching Methods 0.000 description 9
- 238000009413 insulation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/28—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention relates to a method for connecting a carbon fiber heating wire and a metal wire. According to the method for connecting the carbon fiber heating wire and the metal lead, the carbon fiber heating wire and the metal lead are connected through peeling, degreasing, powdering, knot pressing and sintering, tin rinsing, welding, crimping and sleeving processes, so that the connection strength of a joint is improved, the contact resistance of the joint is reduced, and the service life of the joint is prolonged. The problem of among the prior art direct crimping cause carbon fiber precursor atress uneven, produce stress concentration easily in crimping department is solved, the conductivity of conducting resin is lower in the conducting resin bonding mode simultaneously, the great problem of contact resistance of joint department is solved.
Description
Technical Field
The invention belongs to the field of processing, and particularly relates to a method for connecting a carbon fiber heating wire and a metal wire.
Background
In the heating mode using the carbon fiber heating wire as the heating source, the carbon fiber heating wire is required to be connected with the metal wire. Because the carbon fiber wires are made of non-metal materials, the carbon fiber wires cannot be directly connected by adopting welding and other processes like metal materials. However, research shows that if the carbon fiber heating wire and the metal wire can be reliably and effectively connected, the quality and the service life of the product can be greatly improved, namely, the connection technology in the direction is a subject which is worthy of deep exploration in the industry.
In the prior art, the connection between the carbon fiber heating wire and the metal wire generally adopts the following mode: a crimping method or a conductive adhesive bonding method. Because of the very smooth carbon fiber precursor surface of carbon fiber heating wire, directly carry out the crimping mode with carbon fiber heating wire and wire, its joint strength is lower, drops easily to at direct crimping in-process, can make carbon fiber precursor atress uneven, produce the condition of stress concentration in crimping department easily, lead to taking place the phenomenon of carbon fiber precursor broken string in the junction. And adopt the bonding connection mode, the conducting resin that generally uses is conductive metal thick liquid, mainly comprises components such as conductive metal grain and bonding resin, because resin composition exists, its conducting resin's conductivity is lower, and the contact resistance of joint department is great to conducting resin is in long-time cold and hot alternate use in-process, can lead to the risk that joint department drops, and life hardly satisfies the user demand of equipment.
Therefore, the technical scheme of the invention is provided.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a method for connecting a carbon fiber heating wire and a metal wire. According to the method for connecting the carbon fiber heating wire and the metal lead, the carbon fiber heating wire and the metal lead are connected through peeling, degreasing, powdering, knot pressing and sintering, tin rinsing, welding, crimping and sleeving processes, so that the connection strength of a joint is improved, the contact resistance of the joint is reduced, and the service life of the joint is prolonged. The method has simple production process, is beneficial to full-automatic production implementation, and improves the production efficiency.
The invention provides a method for connecting a carbon fiber heating wire and a metal wire, which comprises the following steps:
(1) peeling: stripping the anticorrosive layer and the insulating layer of the carbon fiber heating wire to expose the carbon fiber precursor; stripping the anticorrosive layer and the insulating layer of the metal wire to expose the tin-plated copper wire;
(2) degreasing: heating the carbon fiber precursor, and removing surface resin to obtain a degreased carbon fiber heating wire;
(3) powdering: uniformly dipping carbon fiber precursors of the degreased carbon fiber heating wire in conductive metal powder to obtain a powdered carbon fiber heating wire;
(4) and (3) pressing and sintering: pressing and sintering the carbon fiber precursor of the powdered carbon fiber heating wire into a cuboid, and then performing laser sintering on the pressed and sintered cuboid to form a metal body;
(5) tin rinsing and welding: carrying out tin immersion treatment on the metal body formed by laser sintering to form a tin layer on the surface of the metal body, and then welding the metal body with a tin-plated copper conductor of a metal conductor to form a welding joint;
(6) and (3) crimping: the welding joint is pressed and connected by a clamp, two ends of the clamp are respectively arranged on the insulating layers of the carbon fiber heating wire and the metal lead, the middle of the clamp is arranged on the welding joint, and the clamp is pressed and connected, so that the welding joint and the insulating layer form a complete whole;
(7) sleeving: and (3) sleeving and thermal shrinkage molding the carbon fiber heating wire and the metal lead by using a thermal shrinkage pipe.
Preferably, in the step (1), the carbon fiber heating wire is provided with an anticorrosive layer a, an insulating layer a and carbon fiber precursors in sequence from outside to inside.
Preferably, the anticorrosive layer a is a PVC anticorrosive layer a.
Preferably, the insulating layer a comprises an inner insulating layer and an outer insulating layer, the inner insulating layer is a silica gel insulating layer, and the outer insulating layer is a crosslinked polyethylene insulating layer a.
Preferably, in the step (1), the metal wire is provided with an anti-corrosion layer b, an insulating layer b and a tin-plated copper wire from outside to inside in sequence.
Preferably, the anticorrosive layer b is a PVC anticorrosive layer b.
Preferably, the insulating layer b is a crosslinked polyethylene insulating layer b.
Preferably, in the step (2), the heating temperature is 500-550 ℃, and the heating time is 28-32 s.
The "a" and "b" in the anticorrosive layer a, the insulating layer a, the anticorrosive layer b, the insulating layer b, the PVC anticorrosive layer a, the PVC anticorrosive layer b, the crosslinked polyethylene insulating layer a, and the crosslinked polyethylene insulating layer b are only used for distinguishing and have no substantive meaning.
After the peeling process is finished, in the carbon fiber heating wire, carbon fiber precursors are exposed for 15-20 mm, a silica gel insulating layer is exposed for 5-6 mm, and a crosslinked polyethylene insulating layer is exposed for 5-6 mm; in the metal wire, the tin-plated copper wire is exposed by 15-20 mm, and the crosslinked polyethylene insulating layer is exposed by 5-6 mm.
The invention has the beneficial effects that:
according to the method for connecting the carbon fiber heating wire and the metal lead, the carbon fiber heating wire and the metal lead are connected through peeling, degreasing, powdering, knot pressing and sintering, tin rinsing, welding, crimping and sleeving processes, so that the connection strength of a joint is improved, the contact resistance of the joint is reduced, and the service life of the joint is prolonged. The method has simple production process, is beneficial to full-automatic production implementation, and improves the production efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a carbon fiber heating wire according to the present invention.
Fig. 2 is a schematic structural diagram of the metal wire according to the present invention.
Fig. 3 is a schematic view of a press bonding process.
Fig. 4 is a schematic structural diagram of the carbon fiber heating wire after being pressed and bonded.
Fig. 5 is a schematic diagram of a sintering process.
Fig. 6 is a schematic view of a welding process.
Reference numbers in the figures:
1-a carbon fiber heating wire; 11-PVC anticorrosive layer a; 12-crosslinked polyethylene insulation layer a; 13-a silica gel insulating layer; 14-carbon fiber precursor; 2-a metal wire; 21-PVC anticorrosive layer b; 22-crosslinked polyethylene insulation layer b; 23-tin-plated copper wire; 3-a punching machine; 31-a punching head; 32-pressing a groove; 33-punching the base; 4-a laser; 41-laser scanning head; 42-laser beam.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1
The embodiment provides a method for connecting a carbon fiber heating wire and a metal wire, which comprises the following steps:
(1) peeling: stripping the PVC anticorrosive layer a11, the crosslinked polyethylene insulating layer a12 and the silica gel insulating layer 13 of the carbon fiber heating wire 1 to expose carbon fiber precursors 14, wherein the exposed carbon fiber precursors 14 are 15mm, the exposed silica gel insulating layer 13 is 5mm, and the exposed crosslinked polyethylene insulating layer a12 is 5 mm; stripping the PVC anticorrosive layer b21 and the crosslinked polyethylene insulating layer b22 of the metal wire 2 to expose the tin-plated copper wire 23, wherein the tin-plated copper wire 23 is exposed for 15mm, and the crosslinked polyethylene insulating layer b22 is exposed for 5 mm;
(2) degreasing: adjusting the air outlet temperature of the high-temperature hot air gun to 500 ℃, then placing the exposed part of the carbon fiber precursor 14 under the high-temperature hot air gun for 32s, and obtaining the degreased carbon fiber heating wire after removing the resin exposed on the surface of the carbon fiber precursor 14;
(3) powdering: immersing the exposed part of the carbon fiber precursor 14 of the degreased carbon fiber heating wire into a container containing conductive metal powder, and lightly stirring the metal powder by using an instrument to fully and uniformly adhere the exposed part of the carbon fiber precursor 14 with the conductive metal powder to obtain a powdered carbon fiber heating wire;
(4) and (3) pressing and sintering: placing the carbon fiber precursor 14 fully stained with the conductive metal powder in a pressing groove 32 of a punching machine 3, arranging the pressing groove 32 on the surface of a punching base 33, pressing the carbon fiber precursor into a flat cuboid by using a punching machine head 31, starting a laser 4, and performing laser sintering on the pressed cuboid by using a laser beam 42 generated by a laser scanning head 41 to form a metal body;
(5) tin rinsing and welding: immersing a metal body formed by laser sintering into a tin furnace to form a tin layer on the surface, and then welding the metal body with a tin-plated copper wire of a metal wire to form a welding joint;
(6) and (3) crimping: the welding joint is placed on the metal wiring hoop, two ends of the hoop are respectively placed on the crosslinked polyethylene insulating layers of the carbon fiber heating wire and the metal lead so as to improve the electric conductivity of the joint and enhance the bending resistance and tensile strength of the joint, the middle of the hoop is placed on the welding joint, and the pressing point of the metal wiring hoop is uniformly pressed down to form a complete whole; in order to ensure the quality and efficiency of crimping, a press machine can be adopted for crimping in the crimping process;
(7) sleeving: in order to improve the insulation protection performance, the sleeving connection adopts multilayer sleeving connection, the first layer is formed by cutting a double-wall heat-shrinkable tube with proper length and sleeving the double-wall heat-shrinkable tube at the joint of the carbon fiber heating wire, two ends of the double-wall heat-shrinkable tube are respectively positioned on the carbon fiber heating wire and a crosslinked polyethylene insulation layer of the metal lead, a hot air gun is used for scanning from the middle to the two ends, and the first layer of double-wall heat-shrinkable tube is formed by heat-shrinking; the second layer is formed by cutting a double-wall heat-shrinkable tube which is slightly longer than the first layer and is sleeved at the joint of the carbon fiber heating wire, two ends of the double-wall heat-shrinkable tube are respectively positioned on the carbon fiber heating wire and the PVC anticorrosive layer of the metal wire, and a hot air gun is used for scanning from the middle to the two ends of the double-wall heat-shrinkable tube back and forth to perform heat shrinkage molding on the second layer; and the third layer is characterized in that a double-wall heat-shrinkable tube with the intercepting length far longer than that of the second layer is sleeved at the joint of the carbon fiber heating wire, two ends of the double-wall heat-shrinkable tube are respectively positioned on the PVC anticorrosive layers of the carbon fiber heating wire and the metal wire, a hot air gun is used for scanning from the middle to the two ends of the double-wall heat-shrinkable tube back and forth, and the third layer is formed by heat-shrinking the double-wall heat-shrinkable tube until the connection is finished.
Example 2
The embodiment provides a method for connecting a carbon fiber heating wire and a metal wire, which comprises the following steps:
(1) peeling: stripping the PVC anticorrosive layer a11, the crosslinked polyethylene insulating layer a12 and the silica gel insulating layer 13 of the carbon fiber heating wire 1 to expose a carbon fiber precursor 14, wherein the carbon fiber precursor 14 is exposed for 20mm, the silica gel insulating layer 13 is exposed for 6mm, and the crosslinked polyethylene insulating layer a12 is exposed for 6 mm; stripping the PVC anticorrosive layer b21 and the crosslinked polyethylene insulating layer b22 of the metal wire 2 to expose the tin-plated copper wire 23, wherein the tin-plated copper wire 23 is exposed for 20mm, and the crosslinked polyethylene insulating layer b22 is exposed for 6 mm;
(2) degreasing: adjusting the air outlet temperature of the high-temperature hot air gun to 550 ℃, then placing the exposed part of the carbon fiber precursor 14 under the high-temperature hot air gun for 28s, and obtaining the degreased carbon fiber heating wire after removing the resin exposed on the surface of the carbon fiber precursor 14;
(3) powdering: immersing the exposed part of the carbon fiber precursor 14 of the degreased carbon fiber heating wire into a container containing conductive metal powder, and lightly stirring the metal powder by using an instrument to fully and uniformly adhere the exposed part of the carbon fiber precursor 14 with the conductive metal powder to obtain a powdered carbon fiber heating wire;
(4) and (3) pressing and sintering: placing the carbon fiber precursor 14 fully stained with the conductive metal powder in a pressing groove 32 of a punching machine 3, arranging the pressing groove 32 on the surface of a punching base 33, pressing the carbon fiber precursor into a flat cuboid by using a punching machine head 31, starting a laser 4, and performing laser sintering on the pressed cuboid by using a laser beam 42 generated by a laser scanning head 41 to form a metal body;
(5) tin rinsing and welding: immersing a metal body formed by laser sintering into a tin furnace to form a tin layer on the surface, and then welding the metal body with a tin-plated copper wire of a metal wire to form a welding joint;
(6) and (3) crimping: the welding joint is placed on the metal wiring hoop, two ends of the hoop are respectively placed on the crosslinked polyethylene insulating layers of the carbon fiber heating wire and the metal lead so as to improve the electric conductivity of the joint and enhance the bending resistance and tensile strength of the joint, the middle of the hoop is placed on the welding joint, and the pressing point of the metal wiring hoop is uniformly pressed down to form a complete whole; in order to ensure the quality and efficiency of crimping, a press machine can be adopted for crimping in the crimping process;
(7) sleeving: in order to improve the insulation protection performance, the sleeving connection adopts multilayer sleeving connection, the first layer is formed by cutting a double-wall heat-shrinkable tube with proper length and sleeving the double-wall heat-shrinkable tube at the joint of the carbon fiber heating wire, two ends of the double-wall heat-shrinkable tube are respectively positioned on the carbon fiber heating wire and a crosslinked polyethylene insulation layer of the metal lead, a hot air gun is used for scanning from the middle to the two ends, and the first layer of double-wall heat-shrinkable tube is formed by heat-shrinking; the second layer is formed by cutting a double-wall heat-shrinkable tube which is slightly longer than the first layer and is sleeved at the joint of the carbon fiber heating wire, two ends of the double-wall heat-shrinkable tube are respectively positioned on the carbon fiber heating wire and the PVC anticorrosive layer of the metal wire, and a hot air gun is used for scanning from the middle to the two ends of the double-wall heat-shrinkable tube back and forth to perform heat shrinkage molding on the second layer; the third layer, the double-walled pyrocondensation pipe that intercepting length is far longer than the second layer cup joints in carbon fiber cold and hot line joint department, and both ends are in respectively on carbon fiber heating wire and metal conductor's PVC anticorrosive coating, uses the hot-blast rifle from the centre, to two scanning of making a round trip, with the thermal shrinkage shaping of third layer double-walled pyrocondensation pipe, finishes connecting to this till this
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A method for connecting a carbon fiber heating wire and a metal wire is characterized by comprising the following steps:
(1) peeling: stripping the anticorrosive layer and the insulating layer of the carbon fiber heating wire to expose the carbon fiber precursor; stripping the anticorrosive layer and the insulating layer of the metal wire to expose the tin-plated copper wire;
(2) degreasing: heating the carbon fiber precursor, and removing surface resin to obtain a degreased carbon fiber heating wire;
(3) powdering: uniformly dipping carbon fiber precursors of the degreased carbon fiber heating wire in conductive metal powder to obtain a powdered carbon fiber heating wire;
(4) and (3) pressing and sintering: pressing and sintering the carbon fiber precursor of the powdered carbon fiber heating wire into a cuboid, and then performing laser sintering on the pressed and sintered cuboid to form a metal body;
(5) tin rinsing and welding: carrying out tin immersion treatment on the metal body formed by laser sintering to form a tin layer on the surface of the metal body, and then welding the metal body with a tin-plated copper conductor of a metal conductor to form a welding joint;
(6) and (3) crimping: the welding joint is pressed and connected by a clamp, two ends of the clamp are respectively arranged on the insulating layers of the carbon fiber heating wire and the metal lead, the middle of the clamp is arranged on the welding joint, and the clamp is pressed and connected, so that the welding joint and the insulating layer form a complete whole;
(7) sleeving: and (3) sleeving and thermal shrinkage molding the carbon fiber heating wire and the metal lead by using a thermal shrinkage pipe.
2. The method for connecting the carbon fiber heating wire and the metal wire according to claim 1, wherein in the step (1), the carbon fiber heating wire is provided with an anticorrosive layer a, an insulating layer a and carbon fiber precursors in sequence from outside to inside.
3. The method for connecting the carbon fiber heating wire and the metal wire according to claim 2, wherein the corrosion-resistant layer a is a PVC corrosion-resistant layer a.
4. The method for connecting a carbon fiber heating wire and a metal wire according to claim 2, wherein the insulating layer a comprises an inner insulating layer and an outer insulating layer, the inner insulating layer is a silica gel insulating layer, and the outer insulating layer is a crosslinked polyethylene insulating layer a.
5. The method for connecting the carbon fiber heating wire and the metal wire according to claim 1, wherein in the step (1), the metal wire is provided with an anti-corrosion layer b, an insulating layer b and a tin-plated copper wire in sequence from outside to inside.
6. The method for connecting the carbon fiber heating wire and the metal lead according to claim 5, wherein the corrosion-resistant layer b is a PVC corrosion-resistant layer b.
7. The method for connecting a carbon fiber heating wire and a metal wire according to claim 5, wherein the insulating layer b is a crosslinked polyethylene insulating layer b.
8. The method for connecting a carbon fiber heating wire and a metal wire according to claim 1, wherein in the step (2), the heating temperature is 500-550 ℃ and the heating time is 28-32 s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111373501.0A CN114069350A (en) | 2021-11-19 | 2021-11-19 | Method for connecting carbon fiber heating wire and metal wire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111373501.0A CN114069350A (en) | 2021-11-19 | 2021-11-19 | Method for connecting carbon fiber heating wire and metal wire |
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| CN114069350A true CN114069350A (en) | 2022-02-18 |
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| CN211320351U (en) * | 2019-12-25 | 2020-08-21 | 威海乔圣电取暖设备有限公司 | A connection node of carbon fiber tow and metal wire |
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Application publication date: 20220218 |
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