CN107633940A - It is unshakable in one's determination and there is the transformer unshakable in one's determination - Google Patents
It is unshakable in one's determination and there is the transformer unshakable in one's determination Download PDFInfo
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- CN107633940A CN107633940A CN201610568453.3A CN201610568453A CN107633940A CN 107633940 A CN107633940 A CN 107633940A CN 201610568453 A CN201610568453 A CN 201610568453A CN 107633940 A CN107633940 A CN 107633940A
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- Prior art keywords
- transformer
- winding
- unshakable
- determination
- core body
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Links
- 238000004804 winding Methods 0.000 claims abstract description 44
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 16
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims abstract description 15
- 239000000956 alloy Substances 0.000 claims abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910018580 Al—Zr Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The present invention provides a kind of iron core, including the core body for offering storage tank is run through on surface, accommodates stereoplasm frame in the storage tank of the core body, the core body is made of amorphous alloy material, and the stereoplasm frame is made of silicon steel sheet.The present invention also provides a kind of using transformer unshakable in one's determination described in above-mentioned any one, and the transformer also includes the winding being wound on the iron core, and the stereoplasm frame is between the winding and the core body.The transformer of the present invention, stereoplasm frame is set by the inwall ring in amorphous core body, it is not only that winding provides enough radial clamping forces, also strong support is provided for winding, deformation and the unstability of winding can be prevented, and under can also preventing that the short-circuit force in transformer short-circuit from acting on, winding mutually extrudes with amorphous core body, causes to damage.
Description
Technical field
The invention belongs to field of electrical equipment, more particularly to a kind of amorphous alloy core for improving short-circuit ability to bear and change
Depressor.
Background technology
Transformer has unshakable in one's determination and coiling, and iron core is typically made up of silicon steel sheet or amorphous alloy material.With silicon steel sheet iron
The transformer of the heart can carry larger mechanical force, but because it is lost greatly in zero load, energy saving is poor；Closed with amorphous
Golden transformer noload losses unshakable in one's determination is low, no-load current is small, good energy saving property.Amorphous alloy core substituted silicon steel plate core
Trend.
However, when transformer short-circuit, it is sensitive to mechanical stress because amorphous alloy core toughness is poor, easily occur non-
The broken situation of peritectic alloy damage unshakable in one's determination, and then cause transformer to fail.Therefore it is that non-crystaline amorphous metal becomes to improve and bear short-circuit capacity
Depressor needs the key issue solved at present.
The content of the invention
In view of this, it is necessary to which a kind of amorphous alloy core and transformer for improving short-circuit ability to bear is provided.
The present invention provides a kind of iron core, including the core body for offering storage tank is run through on surface, the core body
Stereoplasm frame is accommodated in storage tank, the core body is made of amorphous alloy material, and the stereoplasm frame uses silicon steel
Piece is made.
As preferable scheme, the stereoplasm frame stacks bonding by some high magnetic conduction cold-rolled orientation silicon steel pieces and formed.
As preferable scheme, each silicon steel sheet is formed by connecting by two parts.
As preferable scheme, the iron core also includes fixing band, and the fixing band is located at core body and stereoplasm frame
Between, the anchor band is around the periphery wall for surrounding the stereoplasm frame.
As preferable scheme, if the fixing band is entwined by dried layer epoxy fibreglass.
As preferable scheme, the iron core is arranged in order by some core bodies to be formed, and adjacent core body it
Between be seamlessly connected.
The present invention also provides a kind of also includes coiling using transformer unshakable in one's determination described in above-mentioned any one, the transformer
Winding on the iron core, the stereoplasm frame is between the winding and the core body.
As preferable scheme, the winding is made up of heat-resistant aluminium alloy material.
As preferable scheme, the transformer also includes clamp assemblies, the clamp assemblies parcel it is described unshakable in one's determination and around
Group.
The transformer of the present invention, sets stereoplasm frame, only winding does not provide by the inwall ring in amorphous core body
Enough radial clamping forces, also provide strong support for winding, can prevent deformation and the unstability of winding, and can also
Under preventing that the short-circuit force in transformer short-circuit from acting on, winding mutually extrudes with amorphous core body, causes to damage；And hard frame
Frame is made of silicon steel sheet so that a part of the stereoplasm frame as transformer magnetic circuit, improves the economy of transformer.
Brief description of the drawings
Fig. 1 is the structural representation of the transformer in one embodiment of the invention.
Fig. 2 is the structural representation of the iron core and winding shown in Fig. 1.
Fig. 3 is the diagrammatic cross-section of the iron core and winding shown in Fig. 2.
Fig. 4 is the curve map of heat-resisting aluminium alloy, the yield strength of copper and aluminium and temperature.
Main element symbol description
| Transformer | 100 |
| It is unshakable in one's determination | 10 |
| Winding | 20 |
| Clamp assemblies | 30 |
| Core body | 11 |
| Stereoplasm frame | 12 |
| Fixing band | 13 |
| Storage tank | 110 |
| High-tension coil | 21 |
| Low-voltage coil | 22 |
| Upper clamping piece | 31 |
| Lower clamping piece | 32 |
| Side folder | 33 |
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component
Or there may also be component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it
Can be set directly on another component or may be simultaneously present component placed in the middle.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Referring to Fig. 1, the transformer 100 in one embodiment of the invention, including iron core 10, winding 20 and clamp assemblies 30.
The winding 20 is wound on described unshakable in one's determination 10, and the clamp assemblies 30 wrap up described unshakable in one's determination 10 and winding 20, by the iron
The heart 10 and winding 20 are fixed.In present embodiment, the transformer 100 is three-phase transformer.
Include some core bodies 11 and stereoplasm frame 12 please refer to Fig. 2-3, described unshakable in one's determination 10.
Some core bodies 11 are arranged in order, and are seamlessly connected between adjacent core body 11.Each core body
The 11 generally hollow quadrangle in section, its surface through offering storage tank 110, the shape of the storage tank 110 with it is corresponding
The shape of core body 11 is roughly the same.In present embodiment, the quantity of the core body 11 is four, and middle two
The shape size of core body 11 is identical, and two shape sizes of core body 11 at both ends are identical, the width of middle core body 11
More than the width of both ends core body 11.
In present embodiment, some core bodies 11 form by amorphous alloy strips winding.It is it is appreciated that described
The material of core body 11 can be Fe-based amorphous alloy, iron-nickel-based amorphous alloy, cobalt base amorphous alloy or nanometer crystal alloy etc.
One kind in amorphous alloy strips.
Preferably, the core body 11 is made of Fe-based amorphous alloy.
A stereoplasm frame 12 is equipped with the storage tank 110 of each core body 11, the stereoplasm frame 12 is around described
The inwall of core body 11 is set, and its shape is roughly the same with the shape of corresponding core body 11, and the stereoplasm frame 12 and
Corresponding core body 11 connects.In present embodiment, the stereoplasm frame 12 is stacked by some high magnetic conduction cold-rolled orientation silicon steel pieces
Bond and formed.For convenience of assembling, each silicon steel sheet is formed by connecting by two parts, and its connected mode is not intended to limit, such as dove-tail form
Snap connection, the connected mode such as glue bonding.
In present embodiment, the stereoplasm frame 12, which is bent and bonded by 30 0.3mm silicon steel sheet, to be made.
It is appreciated that the quantity and thickness of the silicon steel sheet can be set according to the actual conditions of transformer 100.
In present embodiment, described unshakable in one's determination 10 also include the fixing band between core body 11 and stereoplasm frame 12
13.The fixing band 13 further fixes the stereoplasm frame 12 around the periphery wall for surrounding the stereoplasm frame 12.This
In embodiment, if the epoxy fibreglass by dried layer 0.17mm is entwined.The stereoplasm frame 12 passes through the fixation
The connection with corresponding core body 11 is realized with 13.
It is appreciated that the thickness and the number of plies of the epoxy fibreglass can be set according to the actual conditions of transformer 100.
It is appreciated that the fixing band 13 can also use other that there is the material of certain tensile strength to be made, such as polyesters
Material.
In present embodiment, the quantity of the winding 20 is three, and each winding 20 is respectively provided with high-tension coil 21 and low pressure
Coil 22.The high-tension coil 21 and low-voltage coil 22 pass through the storage tank 110 of two adjacent core bodies 11 and are wound in adjacent
On the stereoplasm frame 12 of iron core 10.Wherein, the low-voltage coil 22 is wound on described unshakable in one's determination 10 close to the stereoplasm frame 12,
The high-tension coil 21 surrounds the low-voltage coil 22.
It is appreciated that the winding 20 can be the rectangle of any structure type or the coil similar to rectangle.
The high-tension coil 21 and low-voltage coil 22 of the winding 20 are made of aluminum alloy materials.In present embodiment,
The winding 20 is using the heat resistant aluminum alloy wire of Al-Zr systems, and Al-Zr line aluminium alloys wire is compared with aluminum steel and common aluminum alloy line
Compared with more preferably electric conductivity and heat resistance, and it is higher to adapt to intensity.
Referring again to Fig. 4, during temperature gradually rises, the yield strength of the heat resistant aluminum alloy wire is higher than annealing
Pure aluminum wire, cold drawn pure aluminum wire.Although the yield strength of annealed copper wire, hard-drawn copper wire is higher than aluminium alloy wire, the price of copper cash is high
In heat resistant aluminum alloy wire, heat resistant aluminum alloy wire is higher than using winding cost made of copper cash, cost performance is less than heat resistant aluminum alloy wire.
The transformer 100 uses the thread winding 20 of heat-resisting aluminium alloy, its anti-short circuit capability be higher than using made of aluminum steel around
Group, cost performance are higher.
It is appreciated that the winding 20 is not limited to applied on the amorphous alloy transformer in present embodiment, it can be answered
For that can be oil-filled transformer or dry-type transformer or gas-insulated transformer in any transformer.
The clamp assemblies 30 include upper clamping piece 31, lower clamping piece 32 and two side folders 33.The upper clamping piece 31 is installed in
Unshakable in one's determination 10 upper end, the lower clamping piece 31 are installed in unshakable in one's determination 10 lower end, and described two side folders 31 are installed in institute
The both sides of iron core 10 are stated, the iron core 10 for being wound with winding 20 is wrapped up, by iron core 10 and winding 20 is further fixed and branch
Support.
It is easy to it to coordinate with iron core it is appreciated that being additionally provided with the upper clamping piece 31, lower clamping piece 32 and two side folders 33
Structure and part, do not do detailed overview in present embodiment.
It is appreciated that between adjacent winding 20, between the high-tension coil 21 and low-voltage coil 22 of each winding 20, it is each around
Be respectively provided with insulating materials between group 20 and stereoplasm frame 12 so that the normal work of transformer 100, the insulating materials can be with
The forms such as insulating board, insulating trip or insulated paint are set, and can specifically be determined according to actual conditions, the selection of the insulating materials
It is not intended to limit.
Transformer 100 in embodiment of the present invention, stereoplasm frame 12 is set by the inwall ring in amorphous core body 11,
It is not only that winding 20 provides enough radial clamping forces, also provides strong support for winding 20, winding can be prevented
20 deformation and unstability, and can also prevent under the short-circuit force effect when transformer 100 is short-circuit, winding 20 and amorphous core sheet
Body 11 mutually extrudes, and causes to damage；And stereoplasm frame 12 is made of the high magnetic conduction cold-rolled orientation silicon steel piece mutually bonding so that
A part of the stereoplasm frame 12 as the magnetic circuit of transformer 100, improve the economy of transformer 100；Winding 20 uses alumite
Alloy wire is made so that the anti-short circuit capability of the transformer 100 is more preferable as the transformer of winding than using aluminum steel, further
Solves the problems, such as the anti-short circuit capability difference of aluminium winding transformer, its cost performance is higher.
Those skilled in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, embodiment of above is made
Appropriate change and change all fall in the scope of protection of present invention.
Claims (9)
1. it is a kind of unshakable in one's determination, including surface is through the core body for offering storage tank, it is characterised in that：The appearance of the core body
Put and stereoplasm frame is accommodated in groove, the core body is made of amorphous alloy material, and the stereoplasm frame uses silicon steel sheet
It is made.
It is 2. as claimed in claim 1 unshakable in one's determination, it is characterised in that：The stereoplasm frame is by some high magnetic conduction cold-rolled orientation silicon steel pieces
Stack to bond and formed.
It is 3. as claimed in claim 2 unshakable in one's determination, it is characterised in that：Each silicon steel sheet is formed by connecting by two parts.
It is 4. as claimed in claim 2 unshakable in one's determination, it is characterised in that：The iron core also includes fixing band, and the fixing band is located at iron
Between heart body and stereoplasm frame, the anchor band is around the periphery wall for surrounding the stereoplasm frame.
It is 5. as claimed in claim 4 unshakable in one's determination, it is characterised in that：If the fixing band is entwined by dried layer epoxy fibreglass.
It is 6. as claimed in claim 1 unshakable in one's determination, it is characterised in that：The iron core is arranged in order by some core bodies to be formed, and
It is seamlessly connected between adjacent core body.
7. a kind of use transformer unshakable in one's determination as described in any one in claim 1-6, the transformer also includes being wound in
Winding on the iron core, the stereoplasm frame is between the winding and the core body.
8. transformer as claimed in claim 7, it is characterised in that：The winding is made up of heat-resistant aluminium alloy material.
9. transformer as claimed in claim 7, it is characterised in that：The transformer also includes clamp assemblies, the clamping group
The part parcel unshakable in one's determination and winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610568453.3A CN107633940A (en) | 2016-07-19 | 2016-07-19 | It is unshakable in one's determination and there is the transformer unshakable in one's determination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610568453.3A CN107633940A (en) | 2016-07-19 | 2016-07-19 | It is unshakable in one's determination and there is the transformer unshakable in one's determination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107633940A true CN107633940A (en) | 2018-01-26 |
Family
ID=61113145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610568453.3A Pending CN107633940A (en) | 2016-07-19 | 2016-07-19 | It is unshakable in one's determination and there is the transformer unshakable in one's determination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107633940A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908614A (en) * | 2019-11-19 | 2021-06-04 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Anti-short-circuit anti-interference transformer |
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| CN202067638U (en) * | 2011-04-03 | 2011-12-07 | 青岛云路新能源科技有限公司 | Non-crystal and silicon-steel-sheet composite iron core |
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| CN204204571U (en) * | 2014-11-19 | 2015-03-11 | 黄河勘测规划设计有限公司 | The energy-saving casing of oil immersed power transformer |
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2016
- 2016-07-19 CN CN201610568453.3A patent/CN107633940A/en active Pending
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112908614A (en) * | 2019-11-19 | 2021-06-04 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Anti-short-circuit anti-interference transformer |
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