CN103937275A - High-temperature-resistant anticorrosive transformer - Google Patents
High-temperature-resistant anticorrosive transformer Download PDFInfo
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- CN103937275A CN103937275A CN201410153863.2A CN201410153863A CN103937275A CN 103937275 A CN103937275 A CN 103937275A CN 201410153863 A CN201410153863 A CN 201410153863A CN 103937275 A CN103937275 A CN 103937275A
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- wax
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- resistant anticorrosive
- fire resistant
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Abstract
The invention relates to a high-temperature-resistant anticorrosive transformer which is formed by filling insulation potting wax with favorable liquid flowability into transformer gaps. The insulation potting wax comprises 72-78% of petroleum wax, 2-4% of polyethylene wax, 9-13% of tackifier and 9-13% of vaseline. The high-temperature-resistant anticorrosive transformer has the characteristics of excellent high temperature property, excellent corrosion resistance, favorable electric properties, favorable moisture resistance and the like. The insulation potting wax is not only suitable for insulation impregnation potting of electronic transformers and high-frequency transformers, but also suitable for insulation impregnation potting of inductive coils and other special coils for electronic components.
Description
Technical field
The present invention relates to a kind of fire resistant anticorrosive transformer, especially relate to make with insulation encapsulated wax filling transformer gap high temperature resistant, protection against corrosion, moistureproof electronic transformer and high-frequency transformer.
Background technology
In transformer production, often need with insulation encapsulated wax, transformer to be carried out insulation impregnating embedding and improved the insulating property of transformer.Simple commodity in use paraffin or Microcrystalline Wax in prior art although low price exists the defects such as high-temperature behavior and toughness plasticity be poor, easily run off under working temperature, easily break under external force.Use oils to carry out embedding to transformer and be easy to occur seepage.And use resinous material, although the resistance to elevated temperatures that can make transformer have exists that toughness plasticity is poor, production cost is crossed high defect, can not adapt to the requirement of current manufacturer.
Prior art, a kind of composition of the content of wax is for example disclosed in patent of invention CN1410488A, it contains paraffin, polyethylene wax, Microcrystalline Wax, ethylene-vinyl acetate copolymer and polyethylene, this invention has only loosely been mentioned it and can be used as electric insulation wax, does not introduce its concrete performance index.
Patent of invention CN1458216A discloses a kind of electronic component sealing wax, comprise petroleum wax, macromolecule wax, tackifier and softening agent, be mainly used in location and the sealing of electronic tuning unit, telefault and other electron component coil, but electronic transformer and the high-frequency transformer etc. of having relatively high expectations for liquid fluidity, dielectric loss etc. carry out insulation impregnating embedding, cannot make it have best use properties.
Summary of the invention
For the deficiencies in the prior art, the present inventor is by arduous test, research for a long time, finds to adopt a kind of electronic transformer and high-frequency transformer that has the insulation encapsulated wax filling transformer gap of specific composition and content and make to have gratifying various use properties.
Particularly, fire resistant anticorrosive transformer of the present invention, it adopts insulation encapsulated wax filling transformer gap and makes, and wherein said transformer is electronic transformer or high-frequency transformer, described insulation encapsulated wax comprises following component, the gross weight in insulation encapsulated wax:
A) 72%～78% petroleum wax, the dropping point of petroleum wax is 70 DEG C～85 DEG C;
B) 2%～4% polyethylene wax;
C) 9%～13% tackifier;
D) 9%～13% Vaseline;
The molecular-weight average of described polyethylene wax is 2000～5000; Described tackifier are selected from polybutene and polyisobutene.
Be applicable to petroleum wax dropping point of the present invention and be about 70 DEG C～85 DEG C, preferred petroleum wax comprises: 85# Microcrystalline Wax (manufacturer comprises Nanyang refinery, Nanchong refinery etc.), 80# Microcrystalline Wax (manufacturer comprises Nanchong refinery, Jingmen refinery etc.), 75# Microcrystalline Wax (manufacturer comprises Nanchong refinery etc.), 70# Microcrystalline Wax (manufacturer comprises circulating water plant of Dushanzi Refinery etc.), and the mixture of above-mentioned two or more petroleum wax.These petroleum waxes all can commercially availablely obtain, its content in insulation encapsulated wax of the present invention more preferably approximately 75%.
Be applicable to the commercially available acquisition of polyethylene wax of the present invention, its molecular-weight average is about 2000～5000, is more preferably 2500～4500, is most preferably 3000-4000.The content of polyethylene wax is more preferably 3% (weight).
Be applicable to tackifier of the present invention and be selected from polybutene and polyisobutene, its content is preferably about 11% (weight).
Being applicable to Vaseline of the present invention can be industry or medical ventolin, and its dropping point is about 45 DEG C～75 DEG C.Vaseline is preferably 3#, 4# industrial vaseline (manufacturer comprises Lanzhou oil-refining chemical head factory etc.), medical ventolin (manufacturer comprises Nanyang refinery, Hebei blue refining flying apsaras petrochemical industry company limited etc.).The content of Vaseline is preferably about 11% (weight).
Insulation encapsulated wax of the present invention is at the temperature of approximately 110 DEG C～140 DEG C, adds according to the order of sequence raw material mixed melting to become the wax liquid of homogeneous transparent, moulding after filtering.
The performance index of insulation encapsulated wax of the present invention are: melt drop temperature is 89 DEG C～97 DEG C, and the penetration degree at 25 DEG C is 25～371/10mm, and the kinematic viscosity at 100 DEG C is 18～25mm
2/ s, specific inductivity is 2.5～3.0, volume specific resistance is not less than 8.5 × 10
15Ω cm, dielectric loss is not more than 0.8 × 10
-3.
Each component in insulation encapsulated wax of the present invention has following features:
A) select there is electrical property, the good and hardness of moistureproofness, suitable viscosity thermosetting material---petroleum wax is as body material;
B) select the polyethylene wax with good electrical insulator performance, can improve the electrical property of insulation encapsulated wax, and can improve the resistance to elevated temperatures of insulation encapsulated wax;
C) select tackifier, can ensure that insulation encapsulated wax transfers to after solid phase in liquid phase, has suitable cohesive strength;
D) select Vaseline, can ensure that insulation encapsulated wax has suitable solid-state hardness and good liquid fluidity.
The present invention is directed to the service requirements of transformer insulation impregnating Embedding Material, composition to insulation encapsulated wax and content have carried out combining and screening meticulously, be surprised to find that and adopt as specific composition that the present invention limited and the insulation encapsulated wax of content, improved unexpectedly by the resistance to elevated temperatures of insulation encapsulated wax transformer after treatment, electrical property, the performance such as corrosion-resistant significantly, comprehensively, and then the work-ing life of greatly having improved transformer, this is that those skilled in the art cannot rational expectation arrive on the basis of existing technology.
Insulation encapsulated wax of the present invention can also be according to requirement to transformer performance, selects to add other modified component, as one or more in antioxidant, polyethylene, polypropylene etc.
The advantages such as fire resistant anticorrosive transformer of the present invention has that high-temperature behavior excellence, electrical property are good, moistureproofness and good corrosion resistance, thereby there is good use properties.There is specifically following advantage:
A) have excellent high-temperature behavior, embedding has higher melt drop temperature in the wax on transformer surface, does not also soften, do not trickle under higher working temperature, can well protect transformer, thereby can extend the work-ing life of transformer;
B) safe preparation process is simple, embedding has suitable melt viscosity in the wax on transformer surface, can extraordinary filling transformer gap under the dipping temperature of 110 DEG C～140 DEG C, and nontoxic, free from extraneous odour, thereby cause whole preparation process to become simple and easy to do, and safety and environmental protection;
C) there is good electrical insulation properties, humidity resistance and corrosion resistance nature, ensured the stable of transformer electrical property.
Embodiment
Below by specific embodiment, to insulation encapsulated wax of the present invention, preparation method, and the electric property of prepared transformer is further described.But the present invention is not subject to the restriction of these specific embodiments, within the routine adjustment that those skilled in the art carry out on basis of the present invention or improvement all fall into the application's protection domain.
Embodiment: (all representing by weight percentage below)
Test method
Following test method is in an embodiment the method for general test used in electronic industry wax used.
The preparation of the insulation encapsulated wax of the embodiment of the present invention 1 to 4 and comparative example 1 to 5 is at the temperature of approximately 110 DEG C～140 DEG C, adds according to the order of sequence raw material mixed melting to become the wax liquid of homogeneous transparent, cooling forming after filtering.
Embodiment 1(E1)
Comparative example 1(C1)
Embodiment 2(E2)
Comparative example 2(C2)
Embodiment 3(E3)
Comparative example 3(C3)
Embodiment 4(E4)
Comparative example 4(C4)
Comparative example 5(C5)
The test-results of embodiment is in table 1 and table 2.
Table 1 test-results
Table 2 test-results
As can be seen from Table 1 and Table 2, the property indices of the insulation encapsulated wax of embodiment of the present invention 1-4 is contrasted item by item and can be found with comparative example 1-5 respectively, the melt drop temperature of insulation encapsulated wax of the present invention is all higher, illustrates that insulation encapsulated wax of the present invention has good high temperature thermal characteristics; The volume specific resistance of insulation impregnating embedding wax of the present invention is also all higher, and is not less than 8.5 × 10
15Ω cm; And the dielectric loss of insulation impregnating embedding wax of the present invention is all lower, and be all not more than 0.8 × 10
-3, illustrate that insulation encapsulated wax of the present invention has excellent electrical property; The corrosion resistance nature of insulation impregnating embedding wax of the present invention all shows excellence, is obviously better than comparative example.The viscosity of insulation impregnating embedding wax of the present invention is all comparatively suitable, the liquid fluidity that insulation encapsulated wax of the present invention is described is better, filling transformer and winding space while being convenient to flood, better meet the actual requirement of electronic transformer and high-frequency transformer and telefault and other electron component coil production technique.Because the present invention is all obviously better than the prior art of comparative example representative with resistance to elevated temperatures, the corrosion resistance nature etc. of the transformer making after the embedding of insulation encapsulated wax, thereby its work-ing life also than long many of transformer of the prior art, thereby also greatly reduce client's use cost.
Claims (10)
1. a fire resistant anticorrosive transformer, is characterized in that making with insulation encapsulated wax filling transformer gap, and wherein said transformer is electronic transformer or high-frequency transformer, and described insulation encapsulated wax comprises following component, the gross weight in insulation encapsulated wax:
A) 72%～78% petroleum wax, the dropping point of petroleum wax is 70 DEG C～85 DEG C;
B) 2%～4% polyethylene wax;
C) 9%～13% tackifier;
D) 9%～13% Vaseline;
The molecular-weight average of described polyethylene wax is 2000～5000; Described tackifier are selected from polybutene and polyisobutene.
2. according to fire resistant anticorrosive transformer claimed in claim 1, it is characterized in that, described insulation encapsulated wax comprises following component, the gross weight in insulation encapsulated wax:
A) 75% petroleum wax, the dropping point of petroleum wax is 70 DEG C～85 DEG C;
B) 3% polyethylene wax;
C) 11% tackifier;
D) 11% Vaseline.
3. according to fire resistant anticorrosive transformer claimed in claim 1, it is characterized in that described petroleum wax is selected from 85# Microcrystalline Wax, 80# Microcrystalline Wax, 75# Microcrystalline Wax and 70# Microcrystalline Wax.
4. according to fire resistant anticorrosive transformer claimed in claim 1, the content that it is characterized in that described petroleum wax is 75%～86%.
5. according to fire resistant anticorrosive transformer claimed in claim 1, the content that it is characterized in that described polyethylene wax is 2%～4%.
6. according to fire resistant anticorrosive transformer claimed in claim 1, the molecular-weight average that it is characterized in that described tackifier is 800～10000.
7. according to fire resistant anticorrosive transformer claimed in claim 1, the content that it is characterized in that described tackifier is 2%～15%.
8. according to fire resistant anticorrosive transformer claimed in claim 1, the dropping point that it is characterized in that described Vaseline is 45 DEG C～75 DEG C.
9. according to fire resistant anticorrosive transformer claimed in claim 1, the content that it is characterized in that described Vaseline is 2%～15%.
10. according to fire resistant anticorrosive transformer claimed in claim 1, it is characterized in that the performance index of insulation encapsulated wax are: melt drop temperature is 89 DEG C～97 DEG C, the penetration degree at 25 DEG C is 25～371/10mm, and the kinematic viscosity at 100 DEG C is 18～25mm
2/ s,
Specific inductivity is 2.5～3.0, and volume specific resistance is not less than 8.5 × 10
15Ω cm, dielectric loss is not more than 0.8 × 10
-3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410153863.2A CN103937275B (en) | 2014-04-16 | 2014-04-16 | A kind of fire resistant anticorrosive transformator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410153863.2A CN103937275B (en) | 2014-04-16 | 2014-04-16 | A kind of fire resistant anticorrosive transformator |
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| CN103937275A true CN103937275A (en) | 2014-07-23 |
| CN103937275B CN103937275B (en) | 2016-08-17 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292857A (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 |
| 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 |
| CN104292856A (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 |
| CN109628018A (en) * | 2018-11-29 | 2019-04-16 | 山东康威通信技术股份有限公司 | A method of oxidation PE wax is applied to circuit board sealing protection |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3321427A (en) * | 1963-09-04 | 1967-05-23 | Du Pont | Composition containing wax, ethylenevinyl acetate copolymer, and polyisobutylene |
| 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 |
| 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 |
-
2014
- 2014-04-16 CN CN201410153863.2A patent/CN103937275B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3321427A (en) * | 1963-09-04 | 1967-05-23 | Du Pont | Composition containing wax, ethylenevinyl acetate copolymer, and polyisobutylene |
| 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 |
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292857A (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 |
| 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 |
| CN104292856A (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 |
| CN109628018A (en) * | 2018-11-29 | 2019-04-16 | 山东康威通信技术股份有限公司 | A method of oxidation PE wax is applied to circuit board sealing protection |
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|---|---|
| CN103937275B (en) | 2016-08-17 |
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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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Denomination of invention: A high temperature and corrosion resistant transformer Effective date of registration: 20210705 Granted publication date: 20160817 Pledgee: Bank of Suzhou Co.,Ltd. Yancheng branch Pledgor: JIANGSU HASEN ELECTRIC Co.,Ltd. Registration number: Y2021320010236 |