CN108269647A - A kind of halogen-free environmental H grades of heat-resisting three layer insulation wires - Google Patents
A kind of halogen-free environmental H grades of heat-resisting three layer insulation wires Download PDFInfo
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- CN108269647A CN108269647A CN201711441654.8A CN201711441654A CN108269647A CN 108269647 A CN108269647 A CN 108269647A CN 201711441654 A CN201711441654 A CN 201711441654A CN 108269647 A CN108269647 A CN 108269647A
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- insulating layer
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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
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0225—Three or more layers
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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
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/141—Insulating conductors or cables by extrusion of two or more insulating layers
-
- 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
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
- Organic Insulating Materials (AREA)
Abstract
The present invention provides a kind of halogen-free environmental H grades of heat-resisting three layer insulation wires, first and second insulating layer uses PPS and silicon rubber, third insulating layer uses PA and stabilizer, on the one hand, by being modified to insulating layer, improve the high temperature of insulating layer, after testing, it is by still can normal use after temperature 260 DEG C of agings baking, on the other hand, the dielectric strength, flexibility and ageing resistance of insulating layer are effectively raised, after testing, be not cracked, coming off and hardening phenomenon by repeatedly bending insulating layer after temperature 260 DEG C of agings baking.
Description
Technical field
The present invention relates to insulated wire technical fields, belong to the heat-resisting three layer insulation wire technical field of H grades of halogen-free environmental.
Background technology
Three layer insulation wire is a kind of High Performance Insulation conducting wire, is by metallic conductor and is coated on outside metallic conductor
Three-layer insulated layer composition.At present, in common three-layer insulated conducting wire, the first layer insulating is modified poly ester film, and thickness is several
A micron can bear the high-frequency and high-voltage of 3KV, and second insulating layer is the modified poly ester of high-insulativity, and third insulating layer is heat-resisting Buddhist nun
Dragon, the overall thickness of three-layer insulated layer is 90-100um.
With the continuous extension of three-layer insulated conducting wire application field, requirement of the people to three-layer insulated conducting wire is also increasingly
It is high.Particularly in high pressure and high converter technique field, not only require its metallic conductor that there is good electric conductivity, and exhausted to its
The requirement of edge layer is also higher and higher.It is required that insulating layer has good high-temperature-resistant high-pressure-resistant impact.Therefore, occur in the market
The three-layer insulated conducting wire of many insulating layer function admirables, for example, select teflon material as insulating layer, teflon material can be with
Effectively improve the heat-resisting quantity of three-layer insulated wire insulation.But adding in teflon material containing a large amount of fluorine element
During work, toxic gas can be generated, is not only harmful to human body, and also results in environmental pollution.Teflon material adds simultaneously
Also to that can decompose generation corrosive substance during work, these corrosive substances can cause process equipment serious corrosion, drop
The service life of low equipment.
For another example, Chinese patent literature CN206163155U discloses a kind of three layer insulation wire for high variable-frequency transformer,
The three layer insulation wire includes battery core, coats two layers of identical PET mixed layer successively outside battery core and one layer of PA alloy-layer, PET are mixed
It closes layer to be mixed by PET and extra large kingfisher, PA alloy-layers are mixed by PA and PPS.In the three layer insulation wire by insulation
Layer material is modified, i.e. the heat safe property by adding in Hai Cui in PET and addition PPS reaches raising insulating layer in PA
Energy.But above-mentioned material is extremely limited to the change of insulating layer high temperature resistance, and 180 DEG C of thermo-field thoery particularly is being used for a long time
Afterwards, it may appear that the situation of failure of insulation.
Invention content
Therefore, the technical problem to be solved in the present invention is to overcome the resistance to height of the insulating layer of three-layer insulated conducting wire in the prior art
The defects of warm poor performance, so as to provide a kind of halogen-free environmental H grades of heat-resisting three layer insulation wires.
A kind of halogen-free environmental H grades of heat-resisting three layer insulation wires, including metal core wire and are coated on outside the metal core wire
Portion, the first insulating layer set gradually from the inside to the outside, second insulating layer and third insulating layer,
First insulating layer includes raw material PPS and silicon rubber；The second insulating layer includes raw material PPS and silicon rubber；
The third insulating layer includes raw material PA and stabilizer.
Preferably, in H grades of heat-resisting three layer insulation wires of the halogen-free environmental, in first insulating layer, the silicon rubber
The weight of glue accounts for the 10%-30% of the first insulation layer weight.
Preferably, in H grades of heat-resisting three layer insulation wires of the halogen-free environmental, in the second insulating layer, the silicon rubber
The dosage of glue accounts for the 10%-30% of the second insulating layer weight.
Preferably, in H grades of heat-resisting three layer insulation wires of the halogen-free environmental, the stabilizer be N, N '-bis- (2,2,6,
6- tetramethyl -4- piperidyls) -1,3- benzenedicarboxamides.
Preferably, in H grades of heat-resisting three layer insulation wires of the halogen-free environmental, in the third insulating layer, the stabilization
The weight of agent accounts for the 0.2%-1.0% of the third insulation layer weight.
Preferably, in H grades of heat-resisting three layer insulation wires of the halogen-free environmental, described first and second and three insulating layer thickness
Degree is 0.03-0.05mm.
Preferably, in H grades of heat-resisting three layer insulation wires of the halogen-free environmental, a diameter of 0.20- of the metal core wire
1.00mm。
Preferably, in H grades of heat-resisting three layer insulation wires of the halogen-free environmental, metal core wire for bare copper wire, enamel covered wire,
Tinned wird or twisted copper wires.
PPS is polyphenylene sulfide in the application；PA is polyamide, is commonly called as nylon.
Technical solution of the present invention has the following advantages that：
The present invention provides a kind of halogen-free environmental H grades of heat-resisting three layer insulation wires, first and second insulating layer uses PPS and silicon rubber
Glue, third insulating layer use PA and stabilizer, on the one hand, by being modified to insulating layer, the high temperature of insulating layer are improved, through inspection
It surveys, it is still not breakdown in 3000V energization 60S after cooling after being toasted by 260 DEG C of agings, on the other hand, effectively
The dielectric strength, flexibility and ageing resistance of insulating layer are improved, after testing, by more after 260 DEG C of aging bakings of temperature
Secondary bending insulating layer is not cracked, comes off and hardening phenomenon.
The heat-resisting three layer insulation wire Environmental Safety of H grades of halogen-free environmental disclosed herein, content of halogen is very low, Cl ＜
900ppm, Br ＜ 900ppm, Cl+Br ＜ 1500ppm, meet European Union's ROHS2.0 standards.
Specific embodiment
Technical scheme of the present invention will be clearly and completely described below, it is clear that described embodiment is this hair
Bright part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
All other embodiments obtained under the premise of creative work are made, shall fall within the protection scope of the present invention.
For the ease of comparing, the stabilizer described in embodiment 1-5 is Buddhist nun of the purchase from Clariant (Clariant) company
Imperial multiple function stable agentIts chemical formula be N, N '-bis- (2,2,6,6- tetramethyl -4- piperidines
Base) -1,3- benzenedicarboxamides；
Embodiment 1
A kind of preparation method of halogen-free environmental H grades of heat-resisting three layer insulation wires is present embodiments provided, including：
First insulating layer：70Kg PPS and 30Kg silicon rubber is uniformly mixed and is placed in the first extruder, extrusion molding packet
It overlays on outside bare copper wire, forms the first insulating layer, the thickness of the first insulating layer is 0.04mm, a diameter of 0.20mm of bare copper wire；
Second insulating layer：90Kg PPS and 10Kg silicon rubber is uniformly mixed and is placed in the second extruder, extrusion molding packet
It overlays on outside the first insulating layer, forms second insulating layer, the thickness of second insulating layer is 0.04mm；
Third insulating layer：99.8Kg PA and 0.2Kg stabilizers are uniformly mixed and are placed in third extruder, extrusion molding
It is coated on outside second insulating layer, forms third insulating layer, the thickness of third insulating layer is 0.04mm, obtains three layer insulation wire A.
Embodiment 2
A kind of preparation method of halogen-free environmental H grades of heat-resisting three layer insulation wires is present embodiments provided, including：
First insulating layer：90Kg PPS and 10Kg silicon rubber is uniformly mixed and is placed in the first extruder, extrusion molding packet
Overlay on outside tinned wird, form the first insulating layer, the thickness of the first insulating layer is 0.03mm, tinned wird it is a diameter of
0.5mm；
Second insulating layer：70Kg PPS and 30Kg silicon rubber is uniformly mixed and is placed in the second extruder, extrusion molding packet
It overlays on outside the first insulating layer, forms second insulating layer, the thickness of second insulating layer is 0.03mm；
Third insulating layer：99Kg PA and 1Kg stabilizers are uniformly mixed and are placed in third extruder, extrusion molding cladding
Outside second insulating layer, third insulating layer is formed, the thickness of third insulating layer is 0.03mm, obtains three layer insulation wire B.
Embodiment 3
A kind of preparation method of halogen-free environmental H grades of heat-resisting three layer insulation wires is present embodiments provided, including：
First insulating layer：80Kg PPS and 20Kg silicon rubber is uniformly mixed and is placed in the first extruder, extrusion molding packet
Overlay on outside enamel covered wire, form the first insulating layer, the thickness of the first insulating layer is 0.035mm, enamel covered wire it is a diameter of
1mm；
Second insulating layer：80Kg PPS and 20Kg silicon rubber is uniformly mixed and is placed in the second extruder, extrusion molding packet
It overlays on outside the first insulating layer, forms second insulating layer, the thickness of second insulating layer is 0.035mm；
Third insulating layer：99.5Kg PA and 0.5Kg stabilizers are uniformly mixed and are placed in third extruder, extrusion molding
It is coated on outside second insulating layer, forms third insulating layer, the thickness of third insulating layer is 0.035mm, obtains three layer insulation wire
C。
Embodiment 4
A kind of preparation method of halogen-free environmental H grades of heat-resisting three layer insulation wires is present embodiments provided, including：
First insulating layer：85Kg PPS and 15Kg silicon rubber is uniformly mixed and is placed in the first extruder, extrusion molding packet
It overlays on outside bare copper wire, forms the first insulating layer, the thickness of the first insulating layer is 0.04mm, a diameter of 7* of twisted copper wires
0.25mm；
Second insulating layer：85Kg PPS and 15Kg silicon rubber is uniformly mixed and is placed in the second extruder, extrusion molding packet
It overlays on outside the first insulating layer, forms second insulating layer, the thickness of second insulating layer is 0.04mm；
Third insulating layer：99.3Kg PA and 0.7Kg stabilizers are uniformly mixed and are placed in third extruder, extrusion molding
It is coated on outside second insulating layer, forms third insulating layer, the thickness of third insulating layer is 0.04mm, obtains three layer insulation wire D.
Embodiment 5
A kind of preparation method of halogen-free environmental H grades of heat-resisting three layer insulation wires is present embodiments provided, including：
First insulating layer：75Kg PPS and 25Kg silicon rubber is uniformly mixed and is placed in the first extruder, extrusion molding packet
It overlays on outside bare copper wire, forms the first insulating layer, the thickness of the first insulating layer is 0.05mm, a diameter of 0.9mm of bare copper wire；
Second insulating layer：75Kg PPS and 25Kg silicon rubber is uniformly mixed and is placed in the second extruder, extrusion molding packet
It overlays on outside the first insulating layer, forms second insulating layer, the thickness of second insulating layer is 0.05mm；
Third insulating layer：99.6Kg PA and 0.4Kg stabilizers are uniformly mixed and are placed in third extruder, extrusion molding
It is coated on outside second insulating layer, forms third insulating layer, the thickness of third insulating layer is 0.05mm, obtains three layer insulation wire E.
Comparative example
This comparative example provides a kind of preparation method of halogen-free environmental H grades of heat-resisting three layer insulation wires, including：
First insulating layer：100Kg PPS are placed in the first extruder, extrusion molding is coated on outside bare copper wire, is formed
First insulating layer, the thickness of the first insulating layer is 0.04mm, a diameter of 0.9mm of bare copper wire；
Second insulating layer：100Kg PPS are placed in the second extruder, extrusion molding is coated on outside the first insulating layer,
Second insulating layer is formed, the thickness of second insulating layer is 0.04mm；
Third insulating layer：100Kg PA are placed in third extruder, extrusion molding is coated on outside second insulating layer, shape
Into third insulating layer, the thickness of third insulating layer is 0.04mm, obtains three layer insulation wire F.
Compliance test result
1. according to UL2353 (Single-and Multi-layer Insulated Winding Wire) standards to implementing
Three layer insulation wire A-F prepared by example 1-5 and comparative example carries out accelerated ageing test；
It will be placed in ageing oven in three layer insulation wire, 30min is toasted at 260 DEG C of temperature, and take out cooling 1 hour later
Afterwards, the following two kinds test is carried out；
1) whether three layer insulation wire energization 60S observations under test voltage 3000V puncture, and observed result is shown in Table 1；
2) three layer insulation wire bend repeatedly it is in 90 ° -180 ° 10 times, observation insulating layer whether be cracked and come off, observed result
See table 2.
Table 1
Table 2
2. the halogen in first, second, and third insulating layer of three layer insulation wire A-E prepared by couple embodiment 1-5 is examined
It surveys, testing result is shown in 3.
Table 3
3. the chemical resistance of three layer insulation wire A-E prepared by couple embodiment 1-5 is detected
Three layer insulation wire A-E prepared by embodiment 1-5 is immersed in the insulating oil containing 50% varnish after 5min,
190 DEG C of baking 3h, are cooled to room temperature, bend 5 times repeatedly, see whether to be cracked, observed result is shown in Table 4.
Table 4
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or
Among changing still in the protection domain of the invention.
Claims (8)
1. a kind of halogen-free environmental H grades of heat-resisting three layer insulation wires, including metal core wire and are coated on outside the metal core wire,
The first insulating layer, second insulating layer and the third insulating layer set gradually from the inside to the outside, which is characterized in that
First insulating layer includes raw material PPS and silicon rubber；The second insulating layer includes raw material PPS and silicon rubber；It is described
Third insulating layer includes raw material PA and stabilizer.
2. halogen-free environmental H grades of heat-resisting three layer insulation wires according to claim 1, which is characterized in that first insulating layer
In, the weight of the silicon rubber accounts for the 10%-30% of the first insulation layer weight.
3. halogen-free environmental H grades of heat-resisting three layer insulation wires according to claim 1 or 2, which is characterized in that second insulation
In layer, the dosage of the silicon rubber accounts for the 10%-30% of the second insulating layer weight.
4. according to any described H grades of heat-resisting three layer insulation wires of halogen-free environmental of claim 1-3, which is characterized in that the stabilization
Agent is N, N '-bis- (2,2,6,6- tetramethyl -4- piperidyls) -1,3- benzenedicarboxamides.
5. according to any described H grades of heat-resisting three layer insulation wires of halogen-free environmental of claim 1-4, which is characterized in that the third
In insulating layer, the weight of the stabilizer accounts for the 0.2%-1.0% of the third insulation layer weight.
6. according to any described H grades of heat-resisting three layer insulation wires of halogen-free environmental of claim 1-5, which is characterized in that described first,
The thickness of two and three insulating layers is 0.03-0.05mm.
7. according to any described H grades of heat-resisting three layer insulation wires of halogen-free environmental of claim 1-6, it is characterized in that, the metal core
A diameter of 0.20-1.00mm of line.
8. any described H grades of heat-resisting three layer insulation wires of halogen-free environmental of 1-7 are wanted according to right, which is characterized in that metal core wire is
Bare copper wire, enamel covered wire, tinned wird or twisted copper wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441654.8A CN108269647A (en) | 2017-12-27 | 2017-12-27 | A kind of halogen-free environmental H grades of heat-resisting three layer insulation wires |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711441654.8A CN108269647A (en) | 2017-12-27 | 2017-12-27 | A kind of halogen-free environmental H grades of heat-resisting three layer insulation wires |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6056995A (en) * | 1997-01-27 | 2000-05-02 | Rea Magnet Wire Company, Inc. | Method of coating electrical conductors with corona resistant multi-layer insulation |
| CN102498526A (en) * | 2009-09-02 | 2012-06-13 | 古河电气工业株式会社 | Multilayer insulated wire and transformer using same |
| CN103540126A (en) * | 2012-07-09 | 2014-01-29 | 上海川叶电子科技有限公司 | Modified high-temperature resistant nylon for winding wire and manufacture method thereof |
| CN106409394A (en) * | 2015-07-28 | 2017-02-15 | 日立金属株式会社 | Insulated wire |
-
2017
- 2017-12-27 CN CN201711441654.8A patent/CN108269647A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6056995A (en) * | 1997-01-27 | 2000-05-02 | Rea Magnet Wire Company, Inc. | Method of coating electrical conductors with corona resistant multi-layer insulation |
| CN102498526A (en) * | 2009-09-02 | 2012-06-13 | 古河电气工业株式会社 | Multilayer insulated wire and transformer using same |
| CN103540126A (en) * | 2012-07-09 | 2014-01-29 | 上海川叶电子科技有限公司 | Modified high-temperature resistant nylon for winding wire and manufacture method thereof |
| CN106409394A (en) * | 2015-07-28 | 2017-02-15 | 日立金属株式会社 | Insulated wire |
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Application publication date: 20180710 |