CN104282403A - Low and medium voltage transformer insulating protection sleeve and forming method thereof - Google Patents
Low and medium voltage transformer insulating protection sleeve and forming method thereof Download PDFInfo
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- CN104282403A CN104282403A CN201410510745.2A CN201410510745A CN104282403A CN 104282403 A CN104282403 A CN 104282403A CN 201410510745 A CN201410510745 A CN 201410510745A CN 104282403 A CN104282403 A CN 104282403A
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- mesolow
- coating
- transformer insulated
- insulated sheath
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Abstract
The invention provides a low and medium voltage transformer insulating protection sleeve and a forming method thereof. The method includes the step of spraying and brushing a coating on a conductor where the protection sleeve needs to be installed, wherein the coating comprises hydroxyl-terminated polysiloxane, reinforcing agents, additives, catalysts, cross-linking agents and diluents and further comprises alkali type flame retardants. In this way, the insulating protection sleeve can be directly processed into preset shapes according to field requirements, and flexibility is high.
Description
Technical field
The present invention relates to a kind of technical field of power systems, particularly relate to transformer insulated protective sleeve of a kind of mesolow and forming method thereof.
Background technology
In electric power system, transformer is a kind of very conventional equipment, and often can be set directly at outdoor, when exposing to wind and rain, conductor easily occurs over the ground and phase fault accident.In addition, the joint area of the wiring insulated terminal of transformer easily heats up because removing resistance reason, even because of the problem of material, can have potential difference in liquid medium, so easily there is ionization corrosion.So in state compulsion standard, require that the installation of power equipment must meet the safety standard of national requirements.
In order to solve the problems of the technologies described above, be illustrated in figure 1 a kind of mesolow transformer, in installation process, generally all need to install exposed conductor part additional insulating sleeve 100; These insulating sleeves generally form by silastic elastomer is high temperature vulcanized, and this insulating sleeve has and is never out of shape, the advantages such as high temperature toughness; Apply widely so be obtained in a lot of electric power system.
But inventor is realizing finding in process of the present invention, and above-mentioned insulating sleeve, after dismounting several times safeguarded by transformer, just can not use; And existing insulating sleeve general Dou Shi producer sets according to predetermined rule, not necessarily be applicable to any electric power system, such as a kind of existing 6KV outlet adopts cable to draw, every coupling connects five only core cables, because safe distance can not meet the demands, and wiring place cable is more, in 6KV branch, existing insulating sleeve can not be installed.
Summary of the invention
The problem of difficulty being installed to solve the transformer insulated sheath of mesolow in prior art, the invention provides a kind of transformer insulated sheath that can facilitate site operation and forming method thereof.
The invention provides the formation method of the transformer insulated sheath of a kind of mesolow, by direct in a kind of coating of mesolow transformer surface spraying, after curing of coatings, just define a kind of insulating sleeve, therefore transformer insulated sheath method provided by the invention can according to the outward appearance scene processing of transformer, and operability is good.
Preferably, the material of above-mentioned coating comprises silicone rubber particles, comprises reinforcing agent, additive, catalyst, crosslinking agent and diluent; And coating also comprises alkali formula fire retardant.
Preferably, above-mentioned hydroxy-terminated polysiloxane is 20% ~ 40%, above-mentioned alkali formula fire retardant is 2% ~ 10%, and above-mentioned reinforcing agent is 3% ~ 20%, and above-mentioned additive is 1% ~ 5%, above-mentioned catalyst is 0.2% ~ 0.4%, and above-mentioned crosslinking agent is 1% ~ 5%, above-mentioned diluent is 30% ~ 60%.
Preferably, the thickness of above-mentioned coating is for being not less than 1mm.
The present invention also provides a kind of transformer insulated sheath, it is characterized in that, described insulating sleeve adopts the formation method of above-mentioned arbitrary described transformer insulated sheath to be formed.
By adopting technical scheme provided by the invention, can outward appearance all standing one deck coating of on-the-spot directly installing insulating conductor as required, any like this shape of installing insulating sheath that needs can be processed, flexibility is high, and the performance scene that the thickness of coating can insulate as required determines; So install very convenient.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of transformer insulated sheath of the prior art;
Figure 2 shows that the structural representation of a kind of transformer insulated sheath in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, it should be noted that, these specific descriptions just allow those of ordinary skill in the art be more prone to, clearly understand the present invention, but not limitation of the invention is explained.
Embodiment
The present embodiment preferably, provides a kind of formation method of transformer insulated sheath, and be included in spary coating on the conductor that needs to install sheath, and the material of described coating comprises silicone rubber particles, organic quick-dry type solvent.Certainly in order to allow the better effects if of coating spary, can first by clean for conductive surface clean.
Preferably, the material of above-mentioned coating comprises hydroxy-terminated polysiloxane; Organic quick-dry type solvent, reinforcing agent, additive, catalyst, crosslinking agent and diluent; And described coating also comprises alkali formula fire retardant.Wherein, hydroxy-terminated polysiloxane is 20% ~ 40%, alkali formula fire retardant is 2% ~ 10%, and reinforcing agent is 3% ~ 20%, and additive is 1% ~ 5%, and catalyst is 0.2% ~ 0.4%, and crosslinking agent is 1% ~ 5%, diluent is 30% ~ 60%.
Preferably, above-mentioned reinforcing agent is a kind of magnesium silicate compounds, and its Main Ingredients and Appearance is silicon dioxide, and surface area greatly, and the surface because of sepiolite is large and there is silica group and silanol group, and has filamentary structure desirable for arriving rubber agent effect.Have the performance that sizing material is good, packed density is large, is a two center surface, has stronger polarity, have extremely strong affinity with various macromolecular compound, have very large packing volume, therefore overcome the shortcoming of other clay filler.
Wherein, above-mentioned fire retardant is the functional aid giving combustible polymers flame retardancy, mainly for the Principle And Method of Flame Retardation Design of macromolecular material; Fire retardant has polytype, is divided into additive flame retardant and reactive flame retardant by using method.Additive flame retardant joins in polymer by mechanical mix techniques, polymer is made to have anti-flammability, current additive flame retardant mainly contains organic fire-retardant and inorganic combustion inhibitor, halogenated flame retardant (organic chloride and organic bromide) and non-halogen.Reactive flame retardant is then participate in polymerization reaction as a kind of monomer, therefore make polymer itself contain flame-retardant composition organic be some fire retardants that are representative with bromine system, phosphorus nitrogen system, nitrogen system and red phosphorus and compound.Wherein, inorganic mainly antimonous oxide, magnesium hydroxide, aluminium hydroxide, the flame-retardant systems such as silicon system; The present embodiment preferably be inorganic silicon system flame-retardant system.Make the transformer insulated sheath of the mesolow in the present embodiment can also prevent unexpected burning well like this.
Because the molecular structure of macromolecular material resembles the long line of a rule, time not crosslinked, intensity is low, easily break, and there is no elasticity, the effect of above-mentioned crosslinking agent is exactly produce chemical bond between the molecule of line style, linear molecule is connected with each other, forms network structure, improve intensity and the elasticity of rubber like this.Crosslinking agent adopts the material containing multiple functional group in molecule, as organic dibasic acid, polyalcohol etc.; Or the compound containing multiple unsaturated double-bond in molecule, as divinylbenzene and vulcabond, N, N-methylene-bisacrylamide (MBA) etc.
Preferably, above-mentioned additive is iron oxide or titanium dioxide, and catalyst is stannous octoate, and diluent is mc-318 double solvents.
Preferably, the thickness of coating is not less than 1mm and namely can meets insulation property; More specifically: 1, continuously serviceability temperature is-55 DEG C ~ 105 DEG C, 2, minimum initial shrinkage temperature is 80 DEG C, minimum complete shrinkage temperature is 120 degree; And there are good insulation property.
Preferably, also comprise red pigment in above-mentioned spary coating, the composition of pigment is 1 ~ 2%.Preferably, the composition of red pigment is F
2o
3, color red like this can absorb the ultraviolet of sunlight, prevents this coating oxidation; F on the other hand
2o
3the hardness of coating can be increased, avoid being easy to be scratched.
As shown in Figure 2, preferably, provide a kind of transformer insulated sheath 1 adopting the formation method of above-mentioned insulating sleeve to be formed, this transformer sheath comprises the multiple U-shaped base 2 being arranged on bottom, the upper end 4 of outgoing cable 5, connects the coupling part 3 of base 2 and upper end 4.The mode of spraying is adopted to produce insulating sleeve 1, can outward appearance all standing one deck coating of on-the-spot directly installing insulating conductor as required, any like this shape of installing insulating sheath that needs can be processed, flexibility is high, and the performance scene that the thickness of coating can insulate as required determines; So install very convenient.
Further, because coating can on-the-spot spary, so seamless link can be formed needing the transformer of protection, the effect by forming insulating sleeve insulation after spraying can be embodied so better.
Finally it should be noted that, above-mentioned explanation is only most preferred embodiment of the present invention, not does any pro forma restriction to the present invention.Any those of ordinary skill in the art; do not departing within the scope of technical solution of the present invention; the way of above-mentioned announcement and technology contents all can be utilized to make many possible variations and simple replacement etc. to technical solution of the present invention, and these all belong to the scope of technical solution of the present invention protection.
Claims (6)
1. a formation method for the transformer insulated sheath of mesolow, is characterized in that, comprising: spary coating on the conductor needing installation sheath, and the material of described coating comprises hydroxy-terminated polysiloxane; Reinforcing agent, additive, catalyst, crosslinking agent and diluent; And described coating also comprises alkali formula fire retardant.
2. the formation method of the transformer insulated sheath of mesolow as claimed in claim 1, it is characterized in that, described hydroxy-terminated polysiloxane is 20% ~ 40%, described alkali formula fire retardant is 2% ~ 10%, described reinforcing agent is 3% ~ 20%, described additive is 1% ~ 5%, described catalyst is 0.2% ~ 0.4%, and described crosslinking agent is 1% ~ 5%, described diluent is 30% ~ 60%.
3. the formation method of the transformer insulated sheath of mesolow as claimed in claim 1, is characterized in that, also comprise red pigment in described spary coating, the composition of described pigment is 1 ~ 2%.
4. the formation method of the transformer insulated sheath of mesolow as described in as arbitrary in claims 1 to 3, it is characterized in that, the thickness of described coating is for being not less than 1mm.
5. the transformer insulated sheath of mesolow, it is characterized in that, the formation method of the transformer insulated sheath of mesolow as described in described insulating sleeve employing is as arbitrary in Claims 1 to 4 is formed, described insulating sleeve comprises the multiple U-shaped base (2) being arranged on bottom, the upper end (4) of outgoing cable (5), connects the coupling part (3) of base (2) and upper end (4).
6. the transformer insulated sheath of mesolow as claimed in claim 5, is characterized in that, described insulating sleeve inwall and described mesolow transformer outside form seamless link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510745.2A CN104282403A (en) | 2014-09-28 | 2014-09-28 | Low and medium voltage transformer insulating protection sleeve and forming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410510745.2A CN104282403A (en) | 2014-09-28 | 2014-09-28 | Low and medium voltage transformer insulating protection sleeve and forming method thereof |
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| Publication Number | Publication Date |
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| CN104282403A true CN104282403A (en) | 2015-01-14 |
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| CN201410510745.2A Pending CN104282403A (en) | 2014-09-28 | 2014-09-28 | Low and medium voltage transformer insulating protection sleeve and forming method thereof |
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| CN103714945A (en) * | 2013-12-25 | 2014-04-09 | 黄伟嫦 | Electronic component and manufacturing method thereof |
| CN103965827A (en) * | 2014-05-04 | 2014-08-06 | 天津航瑞丰源科技有限公司 | Super-hydrophobic and anti-pollution flashover one-component adhesive, and preparation method and application thereof |
| CN104036894A (en) * | 2014-06-26 | 2014-09-10 | 河北硅谷化工有限公司 | Transformer low-voltage busbar sheath production method |
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2014
- 2014-09-28 CN CN201410510745.2A patent/CN104282403A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1321712A (en) * | 2000-04-28 | 2001-11-14 | 成都拓利化工实业有限公司 | RTV single component hydrophobic long-acting antifouling flashing paint |
| CN1709953A (en) * | 2005-07-01 | 2005-12-21 | 马顺发 | Silicon-based flame retardant and production method thereof |
| CN1903959A (en) * | 2005-07-29 | 2007-01-31 | 天津市智泰科技有限公司 | Room temperature silicon sulfide rubber composite nano-material antifouling flush paint |
| CN101942200A (en) * | 2009-07-07 | 2011-01-12 | 佛山市皇冠化工有限公司 | Composition for anti-pollution flashover coating and anti-pollution flashover coating |
| CN101735727A (en) * | 2009-12-03 | 2010-06-16 | 广东电网公司电力科学研究院 | Anti-pollution flashover coating and preparation method thereof |
| CN103602071A (en) * | 2013-11-29 | 2014-02-26 | 无锡江南电缆有限公司 | Dye for processing refractory warping tapes of wires and cables |
| CN103714945A (en) * | 2013-12-25 | 2014-04-09 | 黄伟嫦 | Electronic component and manufacturing method thereof |
| CN103965827A (en) * | 2014-05-04 | 2014-08-06 | 天津航瑞丰源科技有限公司 | Super-hydrophobic and anti-pollution flashover one-component adhesive, and preparation method and application thereof |
| CN104036894A (en) * | 2014-06-26 | 2014-09-10 | 河北硅谷化工有限公司 | Transformer low-voltage busbar sheath production method |
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