CN109859881A - Iron core reactor air-gap insulation material, iron core reactor air gap cushion block and iron core reactor - Google Patents
Iron core reactor air-gap insulation material, iron core reactor air gap cushion block and iron core reactor Download PDFInfo
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- CN109859881A CN109859881A CN201711240087.XA CN201711240087A CN109859881A CN 109859881 A CN109859881 A CN 109859881A CN 201711240087 A CN201711240087 A CN 201711240087A CN 109859881 A CN109859881 A CN 109859881A
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Abstract
The present invention relates to a kind of iron core reactor air-gap insulation material, iron core reactor air gap cushion block and iron core reactors.Iron core reactor of the invention is mainly prepared from the following raw materials in parts by weight with air-gap insulation material: 30-35 parts of unsaturated polyester resin, 5-6 parts of initiator, 30-35 parts of filler, 10-11 parts of thickener, 5-6 parts of inner pattern releasing agent applicable, 17-20 parts of reinforcing material.Iron core reactor of the invention is made with air gap cushion block of above-mentioned material, and dry type iron core shunt reactor of the invention is made using above-mentioned air gap cushion block.Iron core reactor of the invention uses the iron core reactor air gap cushion block based on SMC material, can reduce noise and vibration at air gap very well, and then product overall noise and vibration can be greatly reduced.Noise and vibration when product is run is very small, improves product in the competitiveness in electrical network field market.
Description
Technical field
The present invention relates to a kind of iron core reactor air-gap insulation material, iron core reactor air gap cushion block and iron core reactance
Device.
Background technique
In the power system, iron core reactor is used for the capacity current of compensated line, inhibits long distance transmission line end
Line voltage distribution raising etc., can effectively improve grid power transmission quality, belong to primary equipment important in network system.
Iron core and anti-capacity is generally large, common are 6000Kvar and two kinds of 10000Kvar.Iron core reactor product is real
When border is run, noise and vibration are larger.The iron core column of iron core reactor is laminated by multiple silicon steel core monomers and air gap cushion block
Constitute, generally there is more than ten of iron core monomer, the noise of reactor be mainly the silicon steel core monomer being laminated and air gap cushion block by
Magnetic field and vortex variation influence and caused by.In actual design and production, iron core and anti-air gap all uses glass fiber fabric swatch
Cushion block, the cushion block shape used is mostly rectangular or circular configuration.The actual running results show air gap in the prior art
Cushion block, self-strength is lower, and there are many problems in product operation: during product charging operation, iron core column continues for a long time
Vibration, so that glass wool cloth board spacer deforms, irregular change occurs for air gap height, so that product noise becomes larger.And reactor
Rated designs reactance value also mainly determines that the change of air gap height will affect that product is specified and design is electric by air gap height
Anti- value, it is very unfavorable to run to product.In addition, traditional air gap cushion block is made of epoxy resin etc., air gap cushion block and iron core
The contact surface of column monomer is smooth flat, and elasticity is smaller, and when work, which is highly susceptible to magnetic field and vortex variation, to be influenced.
Summary of the invention
The purpose of the present invention is to provide a kind of iron core reactor air-gap insulation materials, to solve iron in the prior art
The excessive problem of core reactor noise.
The present invention also provides a kind of iron core reactor air gap cushion block using above-mentioned air-gap insulation material and iron core reactance
Device.
To achieve the above object, iron core reactor of the invention is with the technical solution of air-gap insulation material:
A kind of iron core reactor air-gap insulation material, is mainly prepared from the following raw materials in parts by weight: 30-35 parts are not
Saturated polyester resin, 5-6 parts of initiator, 30-35 parts of filler, 10-11 parts of thickener, 5-6 parts of inner pattern releasing agent applicable, 17-
20 parts of reinforcing material.
The unsaturated polyester resin is one or more of vinylite, acrylic acid epoxy resin.The ethylene
Base resin is bisphenol-A epoxy vinylite.
The initiator is one or more of two carbonic ester peroxide, diacyl peroxide.The work of initiator
With to react resin and filler material sufficiently.The two carbonic esters peroxide is di-isopropyl peroxydicarbonate or two carbon
Acid esters peroxidating dicyclohexyl maleate.The diacyl peroxide is two isobutyryl peroxides.
The filler is CaCO3、Al(OH)3One or more of.
The thickener is one or more of xanthan gum, natural rubber.The inner pattern releasing agent applicable is demoulding in silicon rubber
Agent.The reinforcing material is glass fiber grid.Glass fiber grid is 0.8mmDMD glass fiber grid or 1.2mmDMD glass cross
Lattice.
The technical solution of iron core reactor of the invention air gap cushion block is:
A kind of iron core reactor air gap cushion block is mainly made of above-mentioned iron core reactor of air-gap insulation material.
In iron core reactor air gap cushion block of the invention includes cushion block matrix and is embedded in the cushion block matrix
Insertion block, the embedded cushion block are made of above-mentioned iron core reactor of air-gap insulation material.
Iron core reactor of the invention uses a biggish cushion block matrix with air gap cushion block, and small embedded cushion block is embedding
It is located in cushion block matrix, embedded cushion block and cushion block matrix constitute a cushion block entirety, make the field homogeneity point at by air gap
Cloth, the vibration of iron core and noise when reducing product operation.
Through-hole is provided on cushion block matrix, the embedded cushion block setting is in the through hole.It embeds the height of cushion block and leads to
The equal length in hole.Preferably, the shape of cushion block matrix and embedded cushion block is all round, relative to traditional square cushion block, is increased
The big overall peripheral area of air gap cushion block, increases the effective area that air gap is flowed through in magnetic field, magnetic resistance is reduced, when product is run
Magnetic field is more uniform, and product operational shock and noise are smaller.Preferably, the through-hole on cushion block matrix is also round, through-hole it is interior
Diameter is equal with the outer diameter of embedded cushion block.
Preferably, it is multiple for embedding the quantity of cushion block.The quantity of embedded cushion block can according to and the capacity of anti-product be arranged,
And anti-product capacity is bigger, the quantity for embedding cushion block is more.
One embedded cushion block can be set in the center of cushion block matrix, embedding cushion block ring around center, to set multi-turn embedded
Cushion block.
The cushion block matrix is made by glass fibre and solidified resin according to mass ratio 1:5.When prepared by cushion block matrix, first adopt
Glass fiber grid is formed with glass fibre, composite material is then formed by solidified resin and glass fibre, embedded cushion block is secured
Ground is combined together, and forms a cushion block entirety.Solidified resin is epoxy resin or phenolic resin.
The technical solution of iron core reactor of the invention is:
A kind of iron core reactor using above-mentioned air gap cushion block.
Iron core reactor of the invention includes upper and lower iron yoke and the iron core column that is arranged between upper and lower iron yoke, the iron
Stem includes the iron core monomer and air gap cushion block of successively interfolded, and the air gap cushion block uses above-mentioned iron core reactor gas
Gap cushion block.
Noise and vibration can be greatly reduced in iron core reactor of the invention.In the prior art, reducing noise is iron
Core and the important test rating of anti-product design, production.Since the operation noise of iron core reactor is mainly generated by air gap
, and iron core reactor of the invention uses the iron core reactor air gap cushion block based on SMC material, SMC composite material tool
There are good corrosion-resistant, high temperature resistant and compressive property, is unlikely to deform, noise and vibration, Jin Erneng at air gap can be reduced very well
Product overall noise and vibration is enough greatly reduced.Noise and vibration when product is run is very small, improves product in electricity
The competitiveness in net field market.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the iron core reactor in embodiment 1；
Fig. 2 is the structural schematic diagram of the iron core reactor air gap cushion block in embodiment 1；
Fig. 3 is the side view of the iron core reactor air gap cushion block in embodiment 1.
Specific embodiment
Embodiments of the present invention are described further combined with specific embodiments below.
Iron core reactor in following example is dry type iron core shunt reactor, iron core reactor air gap cushion block
For dry type iron core shunt reactor air gap cushion block, iron core reactor air-gap insulation material is dry type iron core shunt reactor gas
Gap insulation material.
Embodiment 1
The iron core reactor of the present embodiment is prepared from the following raw materials in parts by weight with air-gap insulation material: 30 parts of insatiable hunger
And polyester resin, 5 parts of initiator, 35 parts of filler, 10 parts of thickener, 5 parts of inner pattern releasing agent applicable, 17 parts of reinforcing material.
Wherein, unsaturated polyester resin is bisphenol-A epoxy vinylite；Initiator is di-isopropyl peroxydicarbonate；Filler is
CaCO3；Thickener is xanthan gum；Inner pattern releasing agent applicable is silicon rubber inner pattern releasing agent applicable；Reinforcing material is 0.8mmDMD glass fiber grid.
The preparation method of the iron core reactor air-gap insulation material of the present embodiment includes:
By CaCO3, xanthan gum, silicon rubber inner pattern releasing agent applicable, 0.8mmDMD glass fiber grid be added vinylite in, mixing
Uniformly, two carbonic ester peroxide initiators are then added, are uniformly mixed, is added in mold, reacts 70min at 35 DEG C, take off
Mould to obtain the final product.
As shown in Figures 2 and 3, the iron core reactor air gap cushion block of the present embodiment, including cushion block matrix 41 and be embedded
Embedded cushion block 42 in the cushion block matrix 41, the embedded cushion block 42 is by above-mentioned iron core reactor air-gap insulation material system
At.Embedded cushion block 42 has multiple, is evenly distributed on cushion block matrix 41.Cushion block matrix 41 is cylinder, each embedded cushion block
42 be also cylinder.Specifically, cushion block matrix 41 is circular sheet-like structures.Circular through hole 43 is provided on cushion block matrix 41, circle
The axis of shape through-hole 43 extends along the thickness direction of cushion block matrix, i.e. the axis of the axis of circular through hole 43 and round cushion block matrix
In parallel.Embedded cushion block 42 is set in circular through hole 43, and the axis of embedded cushion block 42 is overlapped with the axis of circular through hole 43, interior
The outer diameter of insertion block 42 is identical as the internal diameter of circular through hole 43, embeds the length of height 42 and the circular through hole 43 of cushion block also phase
Deng.Two end faces up and down of i.e. embedded cushion block 42 are concordant with the end face of corresponding cushion block matrix 41.The quantity of circular through hole
The quantity of i.e. embedded cushion block can be arranged as required, in the present embodiment, embed cushion block in addition to being arranged in cushion block matrix center
One outer, the embedded cushion block around center, successively encloses embedded cushion block around setting two in periphery.Positioned proximate central embeds the one of cushion block
Enclosing embedded cushion block is 8, and embedding the one of the setting of cushion block periphery to enclose embedded cushion block in this circle is 13.Cylindrical cushion block matrix
Outer peripheral surface on be wound with one layer of binding strap 44, the ingredient of binding strap is glass fiber.Cushion block matrix is set by glass fibre and solidification
Rouge is made according to mass ratio 1:5 is mixing cured.
The preparation method of the iron core reactor of the present embodiment air gap cushion block includes the following steps: uniformly to put embedded cushion block
It sets in a mold, places glass fibre in the gap between interior insertion block, be then added in the gap between inside insertion block
Solidified resin, solidification to get.
As shown in Figure 1, the iron core reactor of the present embodiment includes upper yoke 1 and lower yoke and is arranged in upper and lower iron yoke
Between iron core column 2, the iron core column includes the iron core monomer 3 and air gap cushion block 4 of successively interfolded, the air gap cushion block 4
Using above-mentioned iron core reactor air gap cushion block.Air gap 5 is formd between two neighboring iron core monomer 3, in each air gap
One air gap cushion block 4 is set.
Embodiment 2
The iron core reactor of the present embodiment is prepared from the following raw materials in parts by weight with air-gap insulation material: 35 parts of insatiable hunger
And polyester resin, 6 parts of initiator, 30 parts of filler, 11 parts of thickener, 5 parts of inner pattern releasing agent applicable, 20 parts of reinforcing material.
Wherein, unsaturated polyester resin is bisphenol-A epoxy vinylite；Initiator is two carbonic ester peroxidating dicyclohexyl maleates；Filler
For Al (OH)3；Thickener is natural rubber；Inner pattern releasing agent applicable is silicon rubber inner pattern releasing agent applicable；Reinforcing material is 1.2mmDMD glass fiber
Grid.
The preparation method of the iron core reactor air-gap insulation material of the present embodiment includes:
By Al (OH)3, natural rubber, silicon rubber inner pattern releasing agent applicable, 1.2mmDMD glass fiber grid be added bisphenol-A epoxy ethylene
It in base resin, is uniformly mixed, two carbonic ester peroxidating dicyclohexyl maleate initiators is then added, be uniformly mixed, be added in mold,
It reacts 70min at 35 DEG C, demoulds to obtain the final product.
The same embodiment of structure of iron core reactor air gap cushion block in the present embodiment and preparation method thereof, iron core reactor
1。
Embodiment 3
The iron core reactor of the present embodiment is prepared from the following raw materials in parts by weight with air-gap insulation material: 33 parts of insatiable hunger
And polyester resin, 5 parts of initiator, 32 parts of filler, 10 parts of thickener, 6 parts of inner pattern releasing agent applicable, 18 parts of reinforcing material.
Wherein, unsaturated polyester resin is bisphenol-A epoxy vinylite；Initiator is two carbonic ester peroxidating dicyclohexyl maleates；Filler
For CaCO3；Thickener is xanthan gum；Inner pattern releasing agent applicable is silicon rubber inner pattern releasing agent applicable；Reinforcing material is 0.8mmDMD glass fiber grid.
The preparation method of the iron core reactor air-gap insulation material of the present embodiment includes:
By CaCO3, xanthan gum, silicon rubber inner pattern releasing agent applicable, 0.8mmDMD glass fiber grid be added bisphenol-A epoxy vinyl tree
It in rouge, is uniformly mixed, two carbonic ester peroxidating dicyclohexyl maleate initiators is then added, be uniformly mixed, be added in mold, at 35 DEG C
Lower reaction 70min, demoulds to obtain the final product.
The same embodiment of structure of iron core reactor air gap cushion block in the present embodiment and preparation method thereof, iron core reactor
1。
Test example
Iron core reactor obtained in Example 1, carries out noise test and temperature rise test, test result are as shown in table 1.
The performance test of iron core reactor obtained in 1 embodiment 1 of table
| Product specification | Noise | Temperature rise |
| BKSC-6000/10 | 55dB | 70K |
| BKSC-10000/10 | 57dB | 72K |
As shown in Table 1, iron core reactor air gap cushion block produced by the present invention, reactor can be made to have, and noise is low, vibrates
The advantages that small, corrosion-resistant, anti-aging.
Claims (10)
1. a kind of iron core reactor air-gap insulation material, which is characterized in that be mainly prepared from the following raw materials in parts by weight:
30-35 parts of unsaturated polyester resin, 5-6 parts of initiator, 30-35 parts of filler, 10-11 parts of thickener, 5-6 parts interior
Release agent, 17-20 parts of reinforcing material.
2. iron core reactor according to claim 1 air-gap insulation material, it is characterised in that: the unsaturated polyester (UP) tree
Rouge is one or more of vinylite, acrylic acid epoxy resin.
3. iron core reactor according to claim 1 air-gap insulation material, it is characterised in that: the initiator is two carbon
One or both of acid esters peroxide, diacyl peroxide.
4. iron core reactor according to claim 1 air-gap insulation material, it is characterised in that: the filler is CaCO3、
Al(OH)3One or more of.
5. iron core reactor according to claim 1 air-gap insulation material, it is characterised in that: the thickener is xanthan
One or more of glue, natural rubber.
6. iron core reactor according to claim 1 air-gap insulation material, it is characterised in that: the reinforcing material is glass
Glass screen grid.
7. a kind of iron core reactor air gap cushion block, it is characterised in that: mainly used by iron core reactor as described in claim 1
Air-gap insulation material is made.
8. iron core reactor air gap cushion block according to claim 7, it is characterised in that: including cushion block matrix and be embedded
Embedded cushion block in the cushion block matrix, the embedded cushion block are exhausted by iron core reactor air gap as described in claim 1
Edge material is made.
9. iron core reactor air gap cushion block according to claim 8, it is characterised in that: the cushion block matrix is by glass fibers
Dimension and solidified resin are made according to mass ratio 1:5-8.
10. a kind of iron core reactor using air gap cushion block as claimed in claim 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711240087.XA CN109859881B (en) | 2017-11-30 | 2017-11-30 | Air gap insulating material for iron core reactor, air gap cushion block for iron core reactor and iron core reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711240087.XA CN109859881B (en) | 2017-11-30 | 2017-11-30 | Air gap insulating material for iron core reactor, air gap cushion block for iron core reactor and iron core reactor |
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| CN109859881B CN109859881B (en) | 2021-02-19 |
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| CN112435836A (en) * | 2020-10-12 | 2021-03-02 | 许继变压器有限公司 | Air gap partition plate of iron core reactor, manufacturing method of air gap partition plate and iron core of reactor |
| CN115579219A (en) * | 2022-11-10 | 2023-01-06 | 广东光达电气股份有限公司 | Variable inductance reactor and preparation method thereof |
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