CN208284305U - A kind of locomotive engine corona-resistant insulation material - Google Patents
A kind of locomotive engine corona-resistant insulation material Download PDFInfo
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- CN208284305U CN208284305U CN201821074046.8U CN201821074046U CN208284305U CN 208284305 U CN208284305 U CN 208284305U CN 201821074046 U CN201821074046 U CN 201821074046U CN 208284305 U CN208284305 U CN 208284305U
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- insulation material
- resistant insulation
- locomotive engine
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Abstract
The utility model relates to a kind of locomotive engine corona-resistant insulation materials, including the first aromatic polyamide paper layer, polyimide film layer, the organic and inorganic fiber mixed copy paper layer, the second aromatic polyamide paper layer being cascading.The utility model is by being arranged the second aromatic polyamide paper layer on organic and inorganic fiber mixed copy paper layer, solve the problems, such as that NHT and NHNHT insulating materials mica powder is fallen, electrical property and heatproof index are higher than NHT, and it is the ideal substitute products of NHT and NHNHT insulating materials that price, which is better than NHNHT,；The utility model is structurally reasonable simultaneously, and production technology and NHT and NHNHT are essentially identical, simple to operation without reforming equipment, can produce in enormous quantities.
Description
Technical field
The utility model relates to a kind of locomotive engine corona-resistant insulation materials.
Background technique
In the utility model, using the abbreviation letter of industry, N represents that aromatic polyamide paper, that H represents polyimides is thin
Film, T represent inorganic-organic fiber mixed copy paper.
The three-layer insulating composite material (NHT) of prior art CN 201122445Y, including Kapton, polyamides are sub-
The upper surface of amine film is compounded with inorganic-organic fiber mixed copy paper by adhesive, and the lower surface of Kapton passes through glue
Glutinous agent is compounded with aromatic polyamide paper.This composite material both protected Kapton not acted on by alkaline medium, together
When improve the thermal conductivity of composite material, inhale paint ability, reduce costs, can be more economical applied to temperature classification H-C
Low voltage motor, electric appliance, electronic transformer insulation system, corona-resistance property are good.
But as motor and transformer are to the heatproof index of insulation system and further increasing for corona-resistance property, this Shen
It asks someone to have developed five layers of insulating composite material (NHNHT), is followed successively by inorganic-organic fiber mixed copy paper, Kapton, nothing
Machine-organic fiber mixed copy paper, Kapton, aromatic polyamide paper.The heatproof index and Inverter fed motor of this composite material
Performance is better than the three-layer insulating composite material of prior art CN 201122445Y.
But there is also deficiencies by NHT and NHNHT, market, which is generally fed back, picking phenomenon；It is therefore desirable to further research and develop
It does not lose powder out, the insulating composite material that corona-resistance property is good and heatproof index is high.
Utility model content
The technical problem to be solved by the present invention is to provide one kind not to lose powder, corona-resistance property is good and heatproof index is high
Locomotive engine corona-resistant insulation material.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of locomotive engine corona-resistant insulation material, including be cascading the first aromatic polyamide paper layer,
Polyimide film layer, organic and inorganic fiber mixed copy paper layer, the second aromatic polyamide paper layer.
Specifically, the first aromatic polyamide paper layer with a thickness of 0.04~0.06mm.
Specifically, the polyimide film layer with a thickness of 0.025~0.35mm.
Specifically, the organic and inorganic fiber mixed copy paper layer with a thickness of 0.04~0.06mm.
Specifically, the second aromatic polyamide paper layer with a thickness of 0.04~0.06mm.Specifically, the machine
Vehicle motor corona-resistant insulation material further includes that the first aromatic polyamide paper layer and the polyimides is arranged in
The polyimide film layer and the organic and inorganic fiber mixed copy is arranged in the first adhesive layer between film layer
The organic and inorganic fiber mixed copy paper layer and second Nomex is arranged in the second adhesive layer between paper layer
Third adhesive layer between fiber paper.
Preferably, first adhesive layer, second adhesive layer and the third adhesive layer use
Adhesive independently be thermal polyurethane adhesive.
Preferably, first adhesive layer, second adhesive layer and the third adhesive layer is dry
Glue content independently is 3%~5%.
In the utility model, the dry rubber content of the first adhesive layer refers to weight and the institute of the first adhesive layer after solidifying
The ratio of the locomotive engine stated corona-resistant insulation material total weight, the dry rubber content of the second adhesive layer refer to after solidifying
The ratio of the weight of two adhesive layers and locomotive engine corona-resistant insulation material total weight, third adhesive layer are done
Glue content refers to the weight and the locomotive engine corona-resistant insulation material total weight of the third adhesive layer after solidifying
Ratio.
The scope of the utility model, however it is not limited to technical solution made of the specific combination of above-mentioned technical characteristic, while
The other technical solutions for being carried out any combination by above-mentioned technical characteristic or its equivalent feature and being formed should be covered.Such as features described above
The technical solution that with (but being not limited to) disclosed herein there is the technical characteristic of similar functions to be replaced mutually and formed
Deng.
Since above-mentioned technical proposal is used, the utility model has the advantage that compared with prior art
The utility model is solved by the way that the second aromatic polyamide paper layer is arranged on organic and inorganic fiber mixed copy paper layer
The problem of NHT and NHNHT insulating materials picking, corona-resistance property and heatproof index are higher than NHT, and price is better than NHNHT, is
The ideal substitute products of NHT and NHNHT insulating materials；The utility model is structurally reasonable simultaneously, production technology and NHT and
NHNHT is essentially identical, simple to operation without reforming equipment, can produce in enormous quantities.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of the utility model；
Wherein: 11, the first aromatic polyamide paper layer；21, the first adhesive layer；3, polyimide film layer；22, second
Adhesive layer；4, organic and inorganic fiber mixed copy paper layer；23, third adhesive layer；12, the second aromatic polyamide paper layer.
Specific embodiment
As shown in Figure 1, a kind of locomotive engine corona-resistant insulation material of the utility model, including what is be cascading
First aromatic polyamide paper layer 11, the first adhesive layer 21, polyimide film layer 3, the second adhesive layer 22, organic-nothing
Machine fiber mixed copy paper layer 4, third adhesive layer 23, the second aromatic polyamide paper layer 12.
First aromatic polyamide paper layer 11 with a thickness of 0.04~0.06mm, polyimide film layer 3 with a thickness of
0.025~0.35mm, organic and inorganic fiber mixed copy paper layer 4 with a thickness of 0.04~0.06mm, the second aromatic polyamide paper layer
12 with a thickness of 0.04~0.06mm.
First adhesive layer 21 is thermal polyurethane adhesive (Henkel 2681,5500), the dry glue of the first adhesive layer 21
Content is 3%~5%.
Second adhesive layer 22 is thermal polyurethane adhesive (Henkel 2681,5500), the dry glue of the second adhesive layer 22
Content is 3%~5%.
Third adhesive layer 23 is thermal polyurethane adhesive (Henkel 2681,5500), the dry glue of third adhesive layer 23
Content is 3%~5%.
Each layer parameter of the insulating materials of embodiment 1 to 8 is shown in Table 1.
Comparative example 1 is substantially the same manner as Example 1, the difference is that: comparative example 1 does not include third adhesive layer 23 and
Two aromatic polyamide fibre paper layers 12.
It will be carried out using insulating materials made from embodiment 1 to 8, comparative example 1 according to GB/T5591.2-2002 test method
The test of properties, test result are shown in Table 2.
Table 1
Table 2
The utility model is solved by the way that the second aromatic polyamide paper layer is arranged on organic and inorganic fiber mixed copy paper layer
The problem of NHT and NHNHT insulating materials picking, corona-resistance property and heatproof index are higher than NHT, and price is better than NHNHT, is
The ideal substitute products of NHT and NHNHT insulating materials；The utility model is structurally reasonable simultaneously, production technology and NHT and
NHNHT is essentially identical, simple to operation without reforming equipment, can produce in enormous quantities.
As described above, we are illustrated fully according to the objective of the utility model, but the utility model not limits to
In above-described embodiment and implementation method.The range that the practitioner of correlative technology field can permit in the technical idea of the utility model
It is interior to carry out different variation and implementation.
Claims (8)
1. a kind of locomotive engine corona-resistant insulation material, it is characterised in that: including the first Nomex being cascading
Fiber paper (11), polyimide film layer (3), organic and inorganic fiber mixed copy paper layer (4), the second aromatic polyamide paper layer
(12).
2. locomotive engine according to claim 1 corona-resistant insulation material, it is characterised in that: the poly- fragrant acyl of described first
Amine fiber paper (11) with a thickness of 0.04 ~ 0.06mm.
3. locomotive engine according to claim 1 corona-resistant insulation material, it is characterised in that: the polyimides is thin
Film layer (3) with a thickness of 0.025 ~ 0.35mm.
4. locomotive engine according to claim 1 corona-resistant insulation material, it is characterised in that: the organic and inorganic
Fiber mixed copy paper layer (4) with a thickness of 0.04 ~ 0.06mm.
5. locomotive engine according to claim 1 corona-resistant insulation material, it is characterised in that: the poly- fragrant acyl of described second
Amine fiber paper (12) with a thickness of 0.04 ~ 0.06mm.
6. locomotive engine according to claim 1 corona-resistant insulation material, it is characterised in that: the locomotive engine is used
Corona-resistant insulation material further includes that the first aromatic polyamide paper layer (11) and the Kapton is arranged in
The polyimide film layer (3) and described organic and inorganic fibre is arranged in the first adhesive layer (21) between layer (3)
It ties up the second adhesive layer (22) between mixed copy paper layer (4), the organic and inorganic fiber mixed copy paper layer (4) and institute is set
The third adhesive layer (23) between the second aromatic polyamide paper layer (12) stated.
7. locomotive engine according to claim 6 corona-resistant insulation material, it is characterised in that: first adhesive
The adhesive that layer (21), second adhesive layer (22) and the third adhesive layer (23) use independently is heat-resisting
Adhesive for polyurethane.
8. locomotive engine according to claim 6 corona-resistant insulation material, it is characterised in that: first adhesive
The dry rubber content of layer (21), second adhesive layer (22) and the third adhesive layer (23) independently is 3% ~ 5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821074046.8U CN208284305U (en) | 2018-07-06 | 2018-07-06 | A kind of locomotive engine corona-resistant insulation material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821074046.8U CN208284305U (en) | 2018-07-06 | 2018-07-06 | A kind of locomotive engine corona-resistant insulation material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208284305U true CN208284305U (en) | 2018-12-25 |
Family
ID=64698385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821074046.8U Active CN208284305U (en) | 2018-07-06 | 2018-07-06 | A kind of locomotive engine corona-resistant insulation material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208284305U (en) |
-
2018
- 2018-07-06 CN CN201821074046.8U patent/CN208284305U/en active Active
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