CN204792078U - Multiple coating's enameled wire - Google Patents

Multiple coating's enameled wire Download PDF

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Publication number
CN204792078U
CN204792078U CN201520391708.4U CN201520391708U CN204792078U CN 204792078 U CN204792078 U CN 204792078U CN 201520391708 U CN201520391708 U CN 201520391708U CN 204792078 U CN204792078 U CN 204792078U
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CN
China
Prior art keywords
layer
polyester
enamelled wire
heart yearn
multiple coating
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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.)
Expired - Fee Related
Application number
CN201520391708.4U
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Chinese (zh)
Inventor
冯海祥
高利泉
郭利吉
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Zhejiang Sanxing Electrical Technology Co ltd
Original Assignee
HUZHOU SANXING CABLE Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to CN201520391708.4U priority Critical patent/CN204792078U/en
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Publication of CN204792078U publication Critical patent/CN204792078U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to the technical field of the enameled wire, especially relate to a multiple coating's enameled wire. Including as the heart yearn of conductor and being located the outer protective layer of heart yearn, wherein the protective layer includes the inner insulating layer and external coating, the heart yearn is many metals composite conductor, and this many metal composite conductor comprises aluminium core and the wrap -around copper layer of surface, the insulating layer is the multilayer, and is polyester layer, polyamidoimide layer, polyurethane layer and polyester imine layer from inside to outside in proper order. The utility model discloses the anti corona performance of multiple coating's enameled wire is higher, and anti pulse is longe -lived, and the electrical components electric conductive property requirement can be satisfied in the extension of motor life, the pliability of metal sinle silk, ductility, tensile strength are good, and the whole heat resistance of wire enamel membrane, insulating nature, machinery and chemical resistance can improve, and in addition, it is good directly to weld the performance, during the enameled wire welding, needn't detach the film layer, and dielectric loss tangent is smaller under the high frequency, and the range of application is wide, is suitable for popularization implementation.

Description

A kind of enamelled wire of multiple coating
Technical field
The utility model belongs to enamelled wire technical field, particularly relates to a kind of enamelled wire of multiple coating.
Background technology
At present, the existing enamelled wire being coated with polyester layer has good adhesive force, insulating properties and mechanical performance, but its anti-high-frequency impulse poor-performing.In recent years, with developing rapidly of variable-frequency control technique, variable-frequency motor application is more and more extensive, especially alternating-current variable frequency motor.Because alternating-current variable frequency motor uses electric pulse, waveform has towering spike, and has precipitous rise time and high frequency.The existing enamelled wire being coated with polyester layer is used on this alternating-current variable frequency motor, anti-high frequency and momentary pulse peak voltage ability weak, enamelled wire winding is easy to breakdown between adjacent turns phenomenon occurs, and shortens motor useful life.And core many employings copper product of existing enamelled wire is made, and namely existing enamelled wire core only has individual layer copper.And the price of the cost ratio aluminium of copper is high, make enamelled wire cost higher; But aluminium is as enamelled wire core, and electric conductivity is poor, the conduction requirement of electric elements can not be met.
Utility model content
The technical problems to be solved in the utility model overcomes above-mentioned the deficiencies in the prior art exactly, and provides a kind of withstands corona performance higher, and the anti-pulse life-span is long, can extend motor useful life, meet the enamelled wire of the multiple coating of electric elements electric conductivity requirement simultaneously.
For solving the problems of the technologies described above, the technical solution of the utility model is:
Design a kind of enamelled wire of multiple coating, comprise the heart yearn as conductor and the protective layer that is positioned at outside heart yearn, wherein protective layer comprises inner insulating layer and external coating, and described heart yearn is many metal composite conductor, and this many metal composite conductor is made up of aluminium core and the coated layers of copper of outer surface thereof; Described insulating barrier is multilayer, and is followed successively by polyester layer, polyamide imide, layer of polyurethane and polyester-imide layer from inside to outside.
Wherein, the radius of described aluminium core and the Thickness Ratio of layers of copper are 1:0.1 ~ 0.5.
Wherein, the Thickness Ratio of described polyester layer, polyamide imide, layer of polyurethane and polyester-imide layer is 1:0.9 ~ 1.1:0.9 ~ 1.15:0.3 ~ 0.6.
Wherein, between layers of copper and polyester layer, zinc-plated separator is provided with.
Wherein, described external coating is heat molten type self-adhesion enamelled coating or ethanol-soluble type self-adhesion enamelled coating.
The beneficial effect of technical solutions of the utility model is:
1, structurally, heart yearn surface-coated polyester layer contained by the enamelled wire of the utility model multiple coating, and outside polyester layer, be coated with a polyamide imide, there is high withstands corona, correlation test proves, this enamelled wire anti-pulse life-span is about 10 times, other enamelled wire, plays and extends motor useful life and energy-conserving action, meet variable-frequency motor instructions for use completely; Secondly, polyamide imide outer surface has layer of polyurethane, enameled wire coat overall thermal endurance, insulating properties, machinery and chemical-resistance is all obtained and improves to a certain extent; Moreover, there is polyester-imide layer in layer of polyurethane surface-coated, during enamelled wire welding, first need not remove film layer, can directly weld, and scolding tin temperature low (about 375 DEG C), speed fast (about 1 second).
2, structurally, the lamination layer structure that coat contained by the utility model adopts polyester layer, polyamide imide, layer of polyurethane and polyester-imide layer to form from inside to outside, and the Thickness Ratio of polyester layer, polyamide imide, layer of polyurethane and polyester-imide layer is 1:0.9 ~ 1.1:0.9 ~ 1.15:0.3 ~ 0.6, be proven: high frequency performance is good, paint film in high frequency dielectric loss angle tangent is smaller, can be used for corona-resistant lacquered wire for variable-frequency motor; Secondly, this composite coated layer is convenient to dyeing, can be miscible with multiple dyestuff, make various colored enamelled wire, be applicable to many solder joints occasion, and can be coated with line by low-temperature and high-speed, the more existing single polyesters enamelled wire of baking temperature is low about 60 DEG C, be coated with fast 2 to 4 times of linear velocity simultaneously, substantially increase make efficiency.
3, structurally, many metal composite conductor contained by the utility model adopts copper cover aluminum composite conductor, gather the advantage that the quality of the good electric conductivity of copper and aluminium is light, have that quality is light, solderability good, connection is easy, around good, the economical and practical feature of property, in addition, with aluminium for copper, also a saving copper resource, under the prerequisite meeting the requirement of electric elements conduction, significantly reduce cost of manufacture; Wherein, aluminium core radius and copper layer thickness are than being 1:0.1 ~ 0.5, and compared with enamel covered wire annealing temperature in the past, annealing region is narrow, and annealing process is different, produce the pliability of product, ductility, pull resistance be all in preferable states.
4, structurally, the utility model sets up zinc-plated separator between layers of copper and polyester layer, for isolating layers of copper and insulating barrier, the aging of insulating barrier can be delayed, prevent layers of copper to be oxidized simultaneously, and to prevent the phenomenon occurring rosin joint or dry joint in welding process, improve welding quality; Thus have that cost of manufacture is low, electric conductivity is good, stable chemical performance, easily welding and the good feature of welding quality; In addition, structure has self-adhesion enamelled coating, need not bond by dipping lacquer, simplify manufacturing process, reduce production cost, be conducive to environmental protection.
5, to sum up, the enamelled wire withstands corona performance of the utility model multiple coating is higher, and the anti-pulse life-span is long, and motor extends useful life, can meet the requirement of electric elements electric conductivity; The pliability of metal core, ductility, tensile property are good, enameled wire coat overall thermal endurance, insulating properties, machinery and chemical-resistance improve, and, direct-welding property is good, during enamelled wire welding, need not remove paint film layer, under high frequency, dielectric loss angle tangent is smaller, applied range, therefore, is very suitable for promotion and implementation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is one of structural representation of the enamelled wire of the utility model multiple coating;
Fig. 2 is one of structural representation of the enamelled wire of the utility model multiple coating;
Sequence number in figure: 1, stainless steel core, 2, layers of copper, 3, polyester layer, 4, polyamide imide, 5, layer of polyurethane, 6, polyester-imide layer, 7, heat molten type self-adhesion enamelled coating, 8, zinc-plated separator.
Embodiment
Embodiment one:
See Fig. 1, in figure, the enamelled wire of the utility model multiple coating, comprise many metal composite conductor thread core and outer insulating layer coating and external coating, wherein many metal composite conductor lines is made up of aluminium core 1 and the coated layers of copper 2 of outer surface thereof, and coat is followed successively by polyester layer 3, polyamide imide 4, layer of polyurethane 5 and polyester-imide layer 6 from inside to outside, and external coating selects heat molten type self-adhesion enamelled coating 7, by electrified regulation, make enamelled wire shaping.The radius of aluminium core and the Thickness Ratio of layers of copper are 1:0.1, and the Thickness Ratio of polyester layer, polyamide imide, layer of polyurethane and polyester-imide layer is 1:0.9:0.9:0.3.
Embodiment two:
The present embodiment figure does not draw.The present embodiment and embodiment one structural similarity, in its structure, same section no longer repeats at this, its difference is: the radius of the present embodiment aluminium core and the Thickness Ratio of layers of copper are 1:0.2, and the Thickness Ratio of polyester layer, polyamide imide, layer of polyurethane and polyester-imide layer is 1:1:1:0.5.
Embodiment three:
The present embodiment figure does not draw.The present embodiment and embodiment one structural similarity, in its structure, same section no longer repeats at this, its difference is: the radius of the present embodiment aluminium core and the Thickness Ratio of layers of copper are 1:0.4, and the Thickness Ratio of polyester layer, polyamide imide, layer of polyurethane and polyester-imide layer is 1:1:1.1:0.5.
Embodiment four:
The present embodiment figure does not draw.The present embodiment and embodiment one structural similarity, in its structure, same section no longer repeats at this, its difference is: the radius of the stainless steel core of the present embodiment and the Thickness Ratio of layers of copper are 1:0.5, and the Thickness Ratio of polyester layer, polyamide imide, layer of polyurethane and polyester-imide layer is 1:1.1:1.15:0.6.
Embodiment five-eight:
The present embodiment figure does not draw.The present embodiment five-eight respectively with embodiment one-four structural similarity, in its structure, same section no longer repeats at this, and its difference is: the present embodiment five-eight external coating selects ethanol-soluble type self-adhesion enamelled coating, by the immersion of solvent solution, makes enamelled wire shaping.
Embodiment nine-ten six:
See in Fig. 2, figure, the present embodiment nine-ten six respectively with embodiment one-eight structural similarity, in its structure, same section no longer repeats at this, and its difference is: the present embodiment nine-ten six is provided with zinc-plated separator 8 between layers of copper and polyester layer.
The foregoing is only the schematic embodiment of the utility model; and be not used to limit scope of the present utility model; the equivalent variations that any those skilled in the art makes under the prerequisite not departing from the utility model design and principle and amendment, all should belong to the scope of the utility model protection.

Claims (5)

1. the enamelled wire of a multiple coating, comprise the heart yearn as conductor and the protective layer that is positioned at outside heart yearn, wherein protective layer comprises inner insulating layer and external coating, it is characterized in that: described heart yearn is many metal composite conductor, and this many metal composite conductor is made up of aluminium core and the coated layers of copper of outer surface thereof; Described insulating barrier is multilayer, and is followed successively by polyester layer, polyamide imide, layer of polyurethane and polyester-imide layer from inside to outside.
2. the enamelled wire of multiple coating according to claim 1, is characterized in that: the radius of described aluminium core and the Thickness Ratio of layers of copper are 1:0.1 ~ 0.5.
3. the enamelled wire of multiple coating according to claim 1, is characterized in that: the Thickness Ratio of described polyester layer, polyamide imide, layer of polyurethane and polyester-imide layer is 1:0.9 ~ 1.1:0.9 ~ 1.15:0.3 ~ 0.6.
4. the enamelled wire of multiple coating according to claim 1, is characterized in that: between layers of copper and polyester layer, be provided with zinc-plated separator.
5. the enamelled wire of multiple coating according to claim 1, is characterized in that: described external coating is heat molten type self-adhesion enamelled coating or ethanol-soluble type self-adhesion enamelled coating.
CN201520391708.4U 2015-06-09 2015-06-09 Multiple coating's enameled wire Expired - Fee Related CN204792078U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520391708.4U CN204792078U (en) 2015-06-09 2015-06-09 Multiple coating's enameled wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520391708.4U CN204792078U (en) 2015-06-09 2015-06-09 Multiple coating's enameled wire

Publications (1)

Publication Number Publication Date
CN204792078U true CN204792078U (en) 2015-11-18

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Country Status (1)

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CN (1) CN204792078U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104979041A (en) * 2015-06-09 2015-10-14 湖州三行线缆有限公司 Multi-layer coated enamelled wire
CN106128572A (en) * 2016-08-26 2016-11-16 浙江长城电工科技股份有限公司 Environment-friendly varnished wire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104979041A (en) * 2015-06-09 2015-10-14 湖州三行线缆有限公司 Multi-layer coated enamelled wire
CN106128572A (en) * 2016-08-26 2016-11-16 浙江长城电工科技股份有限公司 Environment-friendly varnished wire

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20200117

Address after: 313000 No. 818 Xinhui Road, Lianshi Town, Nanxun District, Huzhou City, Zhejiang Province

Patentee after: ZHEJIANG SANXING ELECTRICAL TECHNOLOGY CO.,LTD.

Address before: Lian Town Village 313000 Zhejiang province Huzhou Fengdeng District of Nanxun City

Patentee before: HUZHOU SANXING CABLE AND WIRE CO.,LTD.

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151118

CF01 Termination of patent right due to non-payment of annual fee