CN115064321A - Enameled wire stranding insulation method - Google Patents
Enameled wire stranding insulation method Download PDFInfo
- Publication number
- CN115064321A CN115064321A CN202210703933.1A CN202210703933A CN115064321A CN 115064321 A CN115064321 A CN 115064321A CN 202210703933 A CN202210703933 A CN 202210703933A CN 115064321 A CN115064321 A CN 115064321A
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- CN
- China
- Prior art keywords
- cable
- glue
- enameled wire
- imine
- enameled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/02—Stranding-up
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/08—Insulating conductors or cables by winding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/08—Insulating conductors or cables by winding
- H01B13/0891—After-treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/02—Disposition of insulation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/14—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by wrapping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to the technical field of railway track signal outdoor equipment cables, and discloses an enameled wire stranded insulation method which comprises an enameled box, wherein glue is fixedly installed in the inner cavity of the enameled box, a cable is fixedly installed on the inner surface of the glue, the two cables are fixedly connected through a cable shrinkage head, each cable comprises a copper wire, a high-strength paint layer, an inner imine film, an outer winding glass fiber and insulating paint, the enameled wire stranded insulation method can enable the joint of the two sections of cables to be connected through the cable shrinkage head and cover a fracture, so that the outer skin of each cable can be tightly attached to the corresponding cable, the tensile resistance of the joint of the cables can be increased, the joint is placed into the enameled box, the glue is used for curing, and all gaps are filled to achieve the insulating and moisture-proof effects; a plurality of copper wires are twisted together to form a stranded wire, high-strength paint is sprayed on the outside of each copper wire, and the high-strength paint layer has good heat resistance.
Description
Technical Field
The invention relates to the technical field of railway track signal outdoor equipment cables, in particular to an enameled wire stranding insulation method.
Background
The enameled wire is a main variety of winding wires and comprises a conductor and an insulating layer, a bare wire is annealed and softened and then is subjected to repeated painting and baking, and the enameled wire is widely applied to the fields of transformer coils and the like, and along with the increasing quality requirements of the market on products such as the transformer coils, higher requirements are put on the quality of the enameled wire, particularly the insulativity and the aging resistance.
The existing enameled wire stranded insulation is generally formed by stranding bare copper wires in a multi-strand mode, a glass fiber braided layer is wrapped outside the bare copper wires in an insulating mode, the skin effect is poor, the insulating property is poor, the connection position of two cables is easily affected by moisture, the insulating effect of the cables is poor, and the use of railway track signals cannot be met.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects in the prior art, the invention provides an enameled wire stranded insulation method which can effectively solve the problems that a cable joint is easy to be affected with damp, the skin effect of a cable is poor and the insulation effect is poor in the prior art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
the invention discloses an enameled wire stranding insulation method, which comprises the following steps:
s1, winding the two sections of cables together;
s2, screwing the two sections of cable heads through cable heads;
s3, placing the cable connection part into a glue injection box;
s4, pouring special glue into the glue injection box;
and S5, the cable is shrunk and a half glue surface is exposed, and the glue is statically solidified.
The utility model provides an enameled wire transposition, includes the injecting glue box, the inner chamber fixed mounting of injecting glue box has glue, the internal surface fixed mounting of glue has the cable, two through cable convergent fixed connection between the cable, the cable includes copper line, high strength paint layer, interior imine membrane, outer imine membrane, winds glass silk and insulating varnish outward.
Furthermore, the outer surface of the copper wire is fixedly connected with the inner surface of the high-strength paint layer, and the outer surface of the high-strength paint layer is fixedly connected with the inner surface of the inner imine film.
Furthermore, the outer surface of the inner imine membrane is fixedly connected with the inner surface of the outer imine membrane, and the outer surface of the outer imine membrane is fixedly connected with the inner surface of the outer winding glass fiber.
Furthermore, the outer surface of the outer-winding glass fiber is fixedly connected with the inner surface of the insulating paint.
Further, the inner imine film and the outer imine film are wound outside the copper wire in a positive and reverse direction in a superposition mode.
(III) advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
according to the invention, by adding a newly combined enameled wire design, through the matched use of the copper wire and the high-strength paint layer, the matched use of the high-strength paint layer and the inner imine film, the matched use of the inner imine film and the outer imine film, the matched use of the outer imine film and the outer winding glass fiber, and the matched use of the outer winding glass fiber and the insulating paint, the insulating and pressure-resistant effects are improved under the condition of ensuring the skin effect.
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 embodiments or the prior art descriptions will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the cable according to the embodiment;
FIG. 3 is an exploded perspective view of the cable according to the embodiment;
FIG. 4 is a view illustrating a process of stranding and insulating enamel wires according to an embodiment;
the reference numerals in the drawings denote: 1. injecting a glue box; 2. glue; 3. a cable; 31. a copper wire; 32. A high-strength paint layer; 33. an internal imine film; 34. an outer imine film; 35. externally winding glass fibers; 36. insulating paint; 4. the cable contracts the head.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Example 1
In the method for insulating a twisted enameled wire according to this embodiment, as shown in fig. 4, the steps of the method include:
s1, winding the two sections of cables together;
s2, screwing the two sections of cable heads through cable heads;
s3, placing the cable connection part into a glue injection box;
s4, pouring special glue into the glue injection box;
and S5, the cable is shrunk and a half glue surface is exposed, and the glue is statically solidified.
In the implementation, the stranded wire insulation method of the invention is that the cable shrinkage head connects the joint of two sections of cables and covers the fracture through the cable shrinkage head, so that the cable sheath can be tightly attached to the stranded wire of the cable, the tensile resistance of the joint of the cable can be increased, the joint is placed in a glue injection box and is cured by glue, all gaps are filled to achieve the effects of insulation and moisture resistance,
example 2
An enameled wire strand is shown in figures 1 to 3 and comprises a glue injection box 1, glue 2 is fixedly installed in an inner cavity of the glue injection box 1, a cable 3 is fixedly installed on the inner surface of the glue 2, the two cables 3 are fixedly connected through a cable contraction head 4, and each cable 3 comprises a copper wire 31, a high-strength paint layer 32, an inner imine film 33, an outer imine film 34, an outer winding glass fiber 35 and insulating paint 36.
As shown in fig. 3, the outer surface of the copper wire 31 is fixedly connected to the inner surface of the high strength paint layer 32, and the outer surface of the high strength paint layer 32 is fixedly connected to the inner surface of the inner imine film 33.
As shown in fig. 3, the outer surface of the inner imide film 33 is fixedly connected to the inner surface of the outer imide film 34, and the outer surface of the outer imide film 34 is fixedly connected to the inner surface of the outer glass filament 35.
As shown in fig. 3, the outer surface of the outer wrap glass filaments 35 are fixedly attached to the inner surface of the insulating varnish 36.
As shown in fig. 3, an inner imide film 33 and an outer imide film 34 are wound around the copper wire 31 in a forward and reverse direction in a stacked state.
In the implementation, a plurality of copper wires 31 are twisted together to form a stranded wire, high-strength paint is sprayed on the outside of each copper wire 31, and the high-strength paint layer 32 has good heat resistance; the inner polyimide film 33 and the outer polyimide film 34 are made of polyimide films, polyimide is taken as a representative reverse osmosis membrane material, the polyimide films have excellent heat resistance and oxidation stability, and are divided into two layers to be reversely wound, so that gaps can be filled better, and air is prevented from entering the stranded wires from the gaps; the outer-wound glass fiber 35 has a flame-retardant effect, and the outermost insulating varnish 36 fills gaps of the outer-wound glass fiber 35 to achieve an insulating effect, so that the cable 3 ensures a skin effect and improves insulation and voltage resistance.
In conclusion, according to the enameled wire stranded insulation method, the joint of two sections of cables can be connected and covered on the fracture through the cable shrinkage head, so that the cable sheath can be tightly attached to the cable stranded wire, the tensile resistance of the joint of the cables can be increased, the joint is placed in the glue injection box and is cured by glue, and all gaps are filled, so that the insulating and moisture-proof effects are achieved.
A plurality of copper wires 31 are twisted together to form a stranded wire, high-strength paint is sprayed on the outside of each copper wire 31, and the high-strength paint layer 32 has good heat resistance; the inner polyimide film 33 and the outer polyimide film 34 are made of polyimide films, polyimide is taken as a representative reverse osmosis membrane material, the polyimide films have excellent heat resistance and oxidation stability, and are divided into two layers to be reversely wound, so that gaps can be filled better, and air is prevented from entering the stranded wires from the gaps; the outer-wound glass fiber 35 has a flame-retardant effect, and the outermost insulating varnish 36 fills gaps of the outer-wound glass fiber 35 to achieve an insulating effect, so that the cable 3 ensures a skin effect and improves insulation and voltage resistance.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (6)
1. A method of strand insulation for an enameled wire, the method steps comprising:
s1, winding the two sections of cables together;
s2, screwing the two sections of cable heads through cable heads;
s3, placing the cable connection part into a glue injection box;
s4, pouring special glue into the glue injection box;
and S5, the cable is shrunk and a half glue surface is exposed, and the glue is statically solidified.
2. An enameled wire strand, includes injecting glue box (1), its characterized in that: the inner chamber fixed mounting of notes gluey box (1) has glue (2), the internal surface fixed mounting of glue (2) has cable (3), two contract first (4) fixed connection through the cable between cable (3), cable (3) include copper line (31), high strength paint layer (32), interior imine membrane (33), outer imine membrane (34), outer glass silk (35) and insulated paint (36) of winding outward.
3. The enameled wire strand as claimed in claim 2, wherein: the outer surface of the copper wire (31) is fixedly connected with the inner surface of the high-strength paint layer (32), and the outer surface of the high-strength paint layer (32) is fixedly connected with the inner surface of the inner imine film (33).
4. The enameled wire strand as claimed in claim 2, wherein: the outer surface of the inner imine membrane (33) is fixedly connected with the inner surface of the outer imine membrane (34), and the outer surface of the outer imine membrane (34) is fixedly connected with the inner surface of the outer winding glass fiber (35).
5. The enameled wire strand as claimed in claim 2, wherein: the outer surface of the outer winding glass fiber (35) is fixedly connected with the inner surface of the insulating paint (36).
6. The enameled wire strand as claimed in claim 2, wherein: the inner imine film (33) and the outer imine film (34) are wound outside the copper wire (31) in a superposed forward and reverse direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210703933.1A CN115064321A (en) | 2022-06-21 | 2022-06-21 | Enameled wire stranding insulation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210703933.1A CN115064321A (en) | 2022-06-21 | 2022-06-21 | Enameled wire stranding insulation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115064321A true CN115064321A (en) | 2022-09-16 |
Family
ID=83201810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210703933.1A Pending CN115064321A (en) | 2022-06-21 | 2022-06-21 | Enameled wire stranding insulation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115064321A (en) |
-
2022
- 2022-06-21 CN CN202210703933.1A patent/CN115064321A/en active Pending
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