CN103937274B - A kind of fire resistant anticorrosive transformator - Google Patents
A kind of fire resistant anticorrosive transformator Download PDFInfo
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- CN103937274B CN103937274B CN201410153428.XA CN201410153428A CN103937274B CN 103937274 B CN103937274 B CN 103937274B CN 201410153428 A CN201410153428 A CN 201410153428A CN 103937274 B CN103937274 B CN 103937274B
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Abstract
The present invention relates to a kind of fire resistant anticorrosive transformator, by by preferable for liquid fluidity insulation encapsulated wax, filling transformator gap and formed.Described insulation encapsulated wax includes the vaseline of pertroleum wax, the Fischer-Tropsch wax of 1% 6%, the viscosifier of 1% 20% and 1% 20% of 72% 88%.The fire resistant anticorrosive transformator of the present invention has the features such as high-temperature behavior and Corrosion Protection excellence, electrical property is excellent, moisture resistance is good.Described insulation encapsulated wax is applicable not only to the insulation impregnating embedding of electronic transformer and high frequency transformer, is also applied for the insulation impregnating embedding of inductance coil and other electron component coils special.
Description
Technical field
The present invention relates to a kind of fire resistant anticorrosive transformator, especially relate to insulation encapsulated wax filling transformator gap
And high temperature resistant, the anticorrosion made, moistureproof electronic transformer and high frequency transformer.
Background technology
In transformer production, generally require use insulation encapsulated wax and transformator is carried out insulation impregnating embedding to improve transformation
The insulating properties of device.Simple commodity in use paraffin or microwax in prior art, although low price, but exist high-temperature behavior and
The defects such as toughness plasticity difference, are easy to run off at the working temperature, the most easily rupturable.Use oils that transformator is carried out embedding
Then it is prone to seepage.And use resinous material, although the resistance to elevated temperatures that transformator has had can be made, but there is toughness plasticity
Difference, production cost cross high defect, it is impossible to adapt to the requirement of current manufacturer.
Disclosing the compositions of a kind of content of wax in prior art, such as patent of invention CN1410488A, it contains paraffin, gathers
Ethylene waxes, microwax, ethylene-vinyl acetate copolymer and polyethylene, this invention the most loosely refer to it and can be used as the most absolutely
Edge wax, does not introduce its concrete performance indications.
Patent of invention CN1458216A discloses a kind of electronic component sealing wax, including pertroleum wax, macromolecule wax, thickening
Agent and plasticizer, be mainly used in electronic tuning unit, inductance coil and the location of other electron component coil and sealing, but for liquid
State mobility, dielectric loss etc. require that higher electronic transformer and high frequency transformer etc. carry out insulation impregnating embedding, it is impossible to make
It has optimal serviceability.
Summary of the invention
For the deficiencies in the prior art, the present inventor, by arduous test, studies for a long time, finds to use
A kind of insulation encapsulated wax filling transformator gap with specific composition and electronic transformer and the high frequency transformer made have
Gratifying various serviceability.
Specifically, the fire resistant anticorrosive transformator of the present invention, its use insulation encapsulated wax filling transformator gap and
Making, wherein said transformator is electronic transformer or high frequency transformer, and described insulation encapsulated wax includes following components, with insulation
The gross weight meter of embedding wax:
A) pertroleum wax of 72%～88%, the dropping point of pertroleum wax is 70 DEG C～85 DEG C；
B) Fischer-Tropsch wax of 1%～6%；
C) viscosifier of 1%～20%；
D) vaseline of 1%～20%；
The mean molecule quantity of described Fischer-Tropsch wax is 2000～5000；Described viscosifier are selected from polybutene and polyisobutylene.
The pertroleum wax dropping point being applicable to the present invention is about 70 DEG C～85 DEG C, and preferred pertroleum wax includes: 85# microwax is (raw
Produce producer include Nanyang oil plant, Nanchong oil plant etc.), 80# microwax (manufacturer include Nanchong oil plant, Jingmen oil refining
Factory etc.), 75# microwax (manufacturer includes Nanchong oil plant etc.), (manufacturer includes circulating water plant of Dushanzi Refinery to 70# microwax
Deng), and above two or the mixture of two or more pertroleum wax.The most commercially available acquisition of these pertroleum waxes, it is in the present invention
Insulation encapsulated wax in content be preferably from about 75%～86%.
Being applicable to the commercially available acquisition of Fischer-Tropsch wax of the present invention, its mean molecule quantity is about 2000～5000, more preferably about
2500～4500, most preferably from about 3000-4000.The content of Fischer-Tropsch wax is preferably about 2%～4% (weight).
The viscosifier being applicable to the present invention are selected from polybutene and polyisobutylene, and its content is preferably about 2%～15% (weight
Amount).
The vaseline being applicable to the present invention can be industry or medical ventolin, and its dropping point is about 45 DEG C～75 DEG C.All scholars
Woods is preferably 3#, 4# industrial vaseline (manufacturer includes Lanzhou oil-refining chemical head factory etc.), medical ventolin (wrap by manufacturer
Include Nanyang oil plant, petrochemical industry company limited etc. is flown to the sky in the refining of Hebei orchid).The content of vaseline is preferably about 2%～15% (weight).
The insulation encapsulated wax of the present invention is at a temperature of about 110 DEG C～140 DEG C, sequentially adds raw material and mixed melting becomes
The wax liquid of homogeneous transparent, molding after filtering.
The performance indications of the insulation encapsulated wax of the present invention are: melt drop temperature is 88 DEG C～96 DEG C, and the needle penetration at 25 DEG C is 20
～351/10mm, the kinematic viscosity at 100 DEG C is 15～25mm2/ s, dielectric constant is 2.3～2.8, and specific insulation is not less than
7.5×1015Ω cm, dielectric loss is not more than 1.0 × 10-3。。
Each component in the insulation encapsulated wax of the present invention has a characteristic that
A) select and have that electrical property, moisture resistance be good and thermosets pertroleum wax that hardness, viscosity are suitable is as base
Body material；
B) selection has the Fischer-Tropsch wax of excellent electrical insulator performance, can improve the electrical property of insulation encapsulated wax, and energy
Improve the resistance to elevated temperatures of insulation encapsulated wax；
C) viscosifier are selected, it is ensured that insulation encapsulated wax, after liquid phase transfers solid phase to, has suitable adhesion strength；
D) vaseline is selected, it is ensured that insulation encapsulated wax has suitable solid-state hardness and good liquid fluidity.
The present invention is directed to the use requirement of transformator insulation impregnating Embedding Material, have selected said components and content, meaning
Other places finds to use Fischer-Tropsch wax to replace Tissuemat E commonly used in the prior art or polyethylene, its with insulation encapsulated wax in its
Create synergism between its component, improve the resistance to height with the transformator after insulation encapsulated Lasaxing Oilfield the most comprehensively
Warm nature energy, electrical property, the performance such as corrosion-resistant, drastically increase the service life of transformator, and this is that those skilled in the art exist
Cannot rational expectation arrive on the basis of prior art.
The insulation encapsulated wax of the present invention can also select to add other modified component according to the requirement to transformer performance,
Such as one or more in antioxidant, polyethylene, polypropylene etc..
The fire resistant anticorrosive transformator of the present invention has that high-temperature behavior is excellent, electrical property is excellent, moisture resistance and corrosion-resistant
Property the advantage such as good, thus there is good serviceability.Have the advantage that specifically
A) having the high-temperature behavior of excellence, the embedding wax in transformator surface has higher melt drop temperature, in higher work
Do not soften at a temperature of work, do not trickle, can well protect transformator, thus the service life of transformator can be extended；
B) safe preparation process is simple, and the embedding wax in transformator surface has suitable melt viscosity, at 110 DEG C～
Can be with extraordinary filling transformator gap under the dipping temperature of 140 DEG C, and nontoxic, free from extraneous odour, thus cause whole preparation
Process becomes simple and easy to do, and safety and environmental protection；
C) there is excellent electrical insulation properties, humidity resistance and decay resistance, it is ensured that transformator electrical property steady
Fixed.
Detailed description of the invention
Below by specific embodiment, insulation encapsulated wax, the preparation method to the present invention, and obtained transformator
Electric property is further described.But the present invention being not restricted by the specific examples, those skilled in the art exist
Within the conventional adjustment carried out on the basis of the present invention or improvement each fall within the protection domain of the application.
Embodiment: (representing the most by weight percentage)
Test method
Following experimental methods is the method for general test used in electronic industry wax used in an embodiment.
The embodiment of the present invention 1 to 5 and comparative example 1 to 5 the preparation of insulation encapsulated wax at about 110 DEG C～140 DEG C
At a temperature of, sequentially add raw material the most transparent wax liquid of mixed melting, cool down molding after filtering.
Embodiment 1(E1)
The result of the test of embodiment is shown in Tables 1 and 2.
Table 1 result of the test
Table 2 result of the test
As can be seen from Table 1 and Table 2, by the property indices of the insulation encapsulated wax of embodiment of the present invention 1-5 respectively with
Comparative example 1-5 carries out contrasting and can finding item by item, and the melt drop temperature of the insulation encapsulated wax of the present invention is the highest, and the insulation of the present invention is described
Embedding wax has good high-temperature hot performance；The specific insulation of the insulation impregnating embedding wax of the present invention is the highest, and not less than 7
×1015Ωcm；And the dielectric loss of the insulation impregnating embedding wax of the present invention is the most relatively low, and no more than 0.9 × 10-3, explanation
The insulation encapsulated wax of the present invention has the electrical property of excellence；The decay resistance of the insulation impregnating embedding wax of the present invention all shows excellent
Different, hence it is evident that to be better than comparative example.The viscosity of the insulation impregnating embedding wax of the present invention is the most suitable, and insulation encapsulated wax of the present invention is described
Liquid fluidity preferable, it is simple to filling transformator and winding space during dipping, better meet electronic transformer and high frequency and become
Depressor and inductance coil and the actual requirement of other electron component coil production technique.Owing to present invention insulation encapsulated wax fills
The be honored as a queen resistance to elevated temperatures of prepared transformator, decay resistance etc. is significantly better than that the prior art representated by comparative example, because of
And its service life is also longer than transformator of the prior art many, thus it is greatly reduced the use cost of client.
Claims (2)
1. a fire resistant anticorrosive transformator, it is characterised in that make, wherein with insulation encapsulated wax filling transformator gap
Described transformator is electronic transformer or high frequency transformer, and described insulation encapsulated wax includes following components, with insulation encapsulated wax
Gross weight meter:
A) the 80# microwax of 83%, dropping point 81.8 DEG C；
B) Fischer-Tropsch wax of 3%, mean molecule quantity 3500；
C) polyisobutylene of 6%, mean molecule quantity 1000；
D) industrial vaseline of 8%, dropping point 67.0 DEG C.
2. according to the fire resistant anticorrosive transformator described in claim 1, it is characterised in that the performance indications of insulation encapsulated wax are:
Melt drop temperature is 95.7 DEG C, and the needle penetration at 25 DEG C is 35 1/10mm, and the kinematic viscosity at 100 DEG C is 20.05mm2/ s, dielectric is normal
Number is the specific insulation 9.95 × 10 at 2.8,50 DEG C15Ω cm, the dielectric loss 0.45 × 10 at 50 DEG C-3。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410153428.XA CN103937274B (en) | 2014-04-16 | 2014-04-16 | A kind of fire resistant anticorrosive transformator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410153428.XA CN103937274B (en) | 2014-04-16 | 2014-04-16 | A kind of fire resistant anticorrosive transformator |
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| CN103937274A CN103937274A (en) | 2014-07-23 |
| CN103937274B true CN103937274B (en) | 2016-08-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292858A (en) * | 2014-09-26 | 2015-01-21 | 安徽蓝翔电器成套设备有限公司 | Insulating wax composition, preparation method thereof and transformer |
| CN104292857B (en) * | 2014-09-26 | 2016-10-26 | 安徽蓝翔电器成套设备有限公司 | Insulating wax compositions and preparation method thereof and transformator |
| CN109628018B (en) * | 2018-11-29 | 2021-03-30 | 康威通信技术股份有限公司 | Method for applying oxidized PE wax to sealing protection of circuit board |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458216A (en) * | 2002-05-15 | 2003-11-26 | 中国石油化工股份有限公司 | Sealing wax for electronic element coil |
| CN1611551A (en) * | 2003-10-31 | 2005-05-04 | 中国石油化工股份有限公司 | Dipping-sealing wax for electronic element coil |
| CN1767080A (en) * | 2004-10-29 | 2006-05-03 | 中国石油化工股份有限公司 | Insulated dipping embedding wax for transformer |
| CN101173158A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Metallized membrane capacitance embedding wax |
| CN101173102A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Soft mlcrocrystalline wax composition |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4514588A (en) * | 1982-12-28 | 1985-04-30 | Phillips Petroleum Company | Encapsulated electronic components and encapsulation compositions |
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2014
- 2014-04-16 CN CN201410153428.XA patent/CN103937274B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458216A (en) * | 2002-05-15 | 2003-11-26 | 中国石油化工股份有限公司 | Sealing wax for electronic element coil |
| CN1611551A (en) * | 2003-10-31 | 2005-05-04 | 中国石油化工股份有限公司 | Dipping-sealing wax for electronic element coil |
| CN1767080A (en) * | 2004-10-29 | 2006-05-03 | 中国石油化工股份有限公司 | Insulated dipping embedding wax for transformer |
| CN101173158A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Metallized membrane capacitance embedding wax |
| CN101173102A (en) * | 2006-11-01 | 2008-05-07 | 中国石油化工股份有限公司 | Soft mlcrocrystalline wax composition |
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Address after: 224056, Yancheng City, Jiangsu province salt District long salt Street Longcheng Road (D) Applicant after: Jiangsu Hasen Electric CO., LTD. Address before: 224000, Jiangsu, Yancheng City Province, west side of Salt Road dragon road Applicant before: Yancheng Hua Sheng transformer Manufacturing Co., Ltd |
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