CN201117410Y - Amorphous alloy oil immersion type distributing transformer aluminum foil coil and transformer body structure - Google Patents
Amorphous alloy oil immersion type distributing transformer aluminum foil coil and transformer body structure Download PDFInfo
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- CN201117410Y CN201117410Y CNU2007200761775U CN200720076177U CN201117410Y CN 201117410 Y CN201117410 Y CN 201117410Y CN U2007200761775 U CNU2007200761775 U CN U2007200761775U CN 200720076177 U CN200720076177 U CN 200720076177U CN 201117410 Y CN201117410 Y CN 201117410Y
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Abstract
The utility model discloses an aluminum foil coil and an active part of an amorphous alloy oil soaked distribution transformer, which includes four frames of five-column or three frames of three-column amorphous alloy iron cores, a high-voltage and a low-voltage coils arranged on an iron beam, upper and lower clamps arranged on the upper and the lower ends of the high-voltage and low-voltage coils, end clamp parts on the outer ends of the high-voltage coil of two side columns, an insulating framework arranged on the iron beam and a plurality of aluminum-copper transition connectors fixed on the upper clamp parts by wire clamps; the low-voltage coil is made of aluminum foil and is directly wound on the insulating framework; the head and the tail ends of the low-voltage coil are respectively welded with transition connector aluminum bars; the outer surface of the low-voltage coil is also wrapped with major insulation; the high-voltage coil is wound on the outer surface of the major insulation. The technical proposal of the utility model is that the copper is replaced by aluminum, and the aluminum foil coil and the active part of the amorphous alloy dry-type transformer not only is characterized by low no-load loss of a general amorphous alloy distribution transformer, but also has the advantages of low material cost, light weight, reduction of impact of the rising copper price on the cost of the amorphous alloy distribution transformer, reduction of consumption of copper resource in shortage, etc.
Description
Technical field
The utility model relates to a kind of coil and machine body structure of transformer, relates in particular to the aluminum foil winding and the machine body structure of amorphous alloy oil immersion type distribution transformer.
Background technology
The device body of transformer is made up of coil and two big parts unshakable in one's determination, and copper material is a main raw material(s) of making transformer coil.The Copper Product in China resource is very in short supply, relies on import for a long time, just can satisfy the demands.In recent years, international copper valency soared, and the material cost of transformer is risen significantly.
Amorphous alloy oil immersion type distribution transformer (hereinafter to be referred as the amorphous distribution transforming) is the extremely low energy-efficient product of a kind of no-load loss that is widely used.The copper valency rises steadily has influenced the cost performance of amorphous distribution transforming, has also restricted applying of amorphous distribution transforming to a certain extent.
Aluminium is the excellence conductor that electric conductivity is only second to copper, and the mass density of aluminium is little, not as good as 1/3rd of copper.The bauxite resource of China is quite abundant, does not need import.
The low-voltage coil of existing homemade amorphous distribution transforming nearly all is made into Copper Foil or copper conductor.If replace Copper Foil or copper conductor to make low-voltage coil with aluminium foil, under the identical prerequisite of properties of product, can reduce material cost about 10%.So not only can optimize the cost performance of amorphous distribution transforming, and can reduce the influence of copper valency rise, reduce country's copper resource consumption in short supply amorphous distribution transforming cost.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art, a kind of no-load loss and no-load current that can reduce it significantly is provided, obtains good energy-saving effect and have the machine body structure that hangs down the amorphous alloy oil immersion type distribution transformer of material cost.
The technical solution adopted in the utility model is for achieving the above object: a kind of aluminum foil winding of amorphous alloy oil immersion type distribution transformer and machine body structure, comprise the three-phase amorphous alloy core, be sleeved on the high-voltage coil and low-voltage coil on the core limb, be located at the upper clamping piece of high-voltage coil and low-voltage coil upper end, also comprise the insulation framework that is sleeved on the core limb and somely fix on aluminum bronze transition joint on the upper clamping piece by the insulated conductor clamping, the electric conducting material of described low-voltage coil is aluminium foil and directly is wound on the insulation framework, the head of described low-voltage coil, end is fixedlyed connected with the aluminum bronze transition joint respectively, also be enclosed with main insulation on the outer surface of described low-voltage coil, described high-tension coil is wound on the outer surface of main insulation.
The aluminum foil winding of above-mentioned amorphous alloy oil immersion type distribution transformer and machine body structure, wherein, described insulation framework is the rectangle cylindrical shell with the core limb cross-sections match.
The aluminum foil winding of above-mentioned amorphous alloy oil immersion type distribution transformer and machine body structure, wherein, described aluminum bronze transition joint is totally six and arrange with the homoaxial form of high-voltage coil and low-voltage coil of two of every phases, each aluminum bronze transition joint is made up of integrally welded copper bar and aluminium row, and the head of described low-voltage coil, terminal row with the aluminium of aluminum bronze transition joint are respectively welded.
The aluminum foil winding of above-mentioned amorphous alloy oil immersion type distribution transformer and machine body structure, wherein, described insulated conductor folder is between the copper bar and upper clamping piece on aluminum bronze transition joint top.
The aluminum foil winding of amorphous alloy oil immersion type distribution transformer of the present utility model and the technical scheme of machine body structure are for copper with aluminium, it not only has the feature of the low no-load loss of general amorphous alloy distribution transformer, have also that the cost of material is low, in light weight, reduce the copper valency and go up, reduce advantages such as copper resource consumption in short supply the influence of amorphous alloy distribution transformer cost.The solid compact and reasonable of this programme machine body structure, the mechanical Strength for Winding height, can bear the impact of short circuit current, simultaneously because the protective action of insulation framework, can eliminate the influence of the coil that electric power the produced extruding amorphous alloy core of short circuit current, have constant good magnetic performance to guarantee iron core.
Description of drawings
Fig. 1 is the aluminum foil winding of amorphous alloy oil immersion type distribution transformer of the present utility model and the schematic diagram of machine body structure;
Fig. 2 is the structural representation of the aluminum foil winding of amorphous alloy oil immersion type distribution transformer of the present utility model and the aluminum bronze transition joint in the machine body structure;
Fig. 3 is that A-A among Fig. 2 is to cutaway view.
Embodiment
See also Fig. 1, the aluminum foil winding of the amorphous alloy oil immersion type distribution transformer of the present utility model shown in the figure and machine body structure comprise three-phase amorphous alloy core 7, high-voltage coil and low- voltage coil 4,5, upper and lower folder 6, end folder (not shown), insulation framework 3 and the busbar that is made of some aluminum bronze transition joints 1.Wherein,
Upper and lower folder 6 is located at the upper and lower side of high-voltage coil and low- voltage coil 4,5 respectively; The end folder is located at the outer end of two side column high-tension coils 5.
The electric conducting material of low-voltage coil 4 is an aluminium foil, and the width of aluminium foil can calculate according to its reactance value, and it directly is wound on the insulation framework 3; Also be enclosed with the main insulation (not shown) on the outer surface of low-voltage coil 4.
The electric conducting material of high-tension coil 5 is a copper conductor, and it is wound on the outer surface of main insulation, makes high-voltage coil and low- voltage coil 4,5 one-tenth as a whole square coils.
See also Fig. 2 and Fig. 3 again, aluminum bronze transition joint 1 is six and is arranged in a row with high-voltage coil and low- voltage coil 4,5 homoaxial forms and is fixed on the upper clamping piece 6 by insulated conductor folder 2.Being arranged by copper bar 12 and aluminium of each aluminum bronze transition joint 1 is 11 integrally welded, and described insulated conductor folder 2 is between the copper bar 12 and upper clamping piece 6 on transition joint 1 top.
The head of low-voltage coil 4, end adopt welding manners to be connected with the aluminium row 11 of aluminum bronze transition joint 1 respectively, and the copper bar 12 of aluminum bronze transition joint 1 is along the outside that axially leads to coil of high-voltage coil and low- voltage coil 4,5.
The aluminum foil winding of amorphous alloy oil immersion type distribution transformer of the present utility model and the technical scheme of machine body structure are for copper with aluminium, it not only has the feature of the low no-load loss of general amorphous alloy distribution transformer, have also that the cost of material is low, in light weight, reduce the copper valency and go up, reduce advantages such as copper resource consumption in short supply the influence of amorphous alloy distribution transformer cost.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (4)
1. the aluminum foil winding of an amorphous alloy oil immersion type distribution transformer and machine body structure, comprise the three-phase amorphous alloy core, be sleeved on the high-voltage coil and low-voltage coil on the core limb, be located at the upper clamping piece of high-voltage coil and low-voltage coil upper end, it is characterized in that, also comprise the insulation framework that is sleeved on the core limb and somely fix on aluminum bronze transition joint on the upper clamping piece by the insulated conductor clamping, the electric conducting material of described low-voltage coil is aluminium foil and directly is wound on the insulation framework, the head of described low-voltage coil, end is fixedlyed connected with the aluminum bronze transition joint respectively, also be enclosed with main insulation on the outer surface of described low-voltage coil, described high-tension coil is wound on the outer surface of main insulation.
2. the aluminum foil winding of amorphous alloy oil immersion type distribution transformer according to claim 1 and machine body structure is characterized in that, described insulation framework is the rectangle cylindrical shell with the core limb cross-sections match.
3. the aluminum foil winding of amorphous alloy oil immersion type distribution transformer according to claim 1 and machine body structure, it is characterized in that, described aluminum bronze transition joint is totally six and arrange with the homoaxial form of high-voltage coil and low-voltage coil of two of every phases, each aluminum bronze transition joint is made up of integrally welded copper bar and aluminium row, and the head of described low-voltage coil, terminal row with the aluminium of aluminum bronze transition joint are respectively welded.
4. the aluminum foil winding of amorphous alloy oil immersion type distribution transformer according to claim 3 and machine body structure is characterized in that, described insulated conductor folder is between the copper bar and upper clamping piece on aluminum bronze transition joint top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200761775U CN201117410Y (en) | 2007-11-14 | 2007-11-14 | Amorphous alloy oil immersion type distributing transformer aluminum foil coil and transformer body structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200761775U CN201117410Y (en) | 2007-11-14 | 2007-11-14 | Amorphous alloy oil immersion type distributing transformer aluminum foil coil and transformer body structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201117410Y true CN201117410Y (en) | 2008-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200761775U Expired - Fee Related CN201117410Y (en) | 2007-11-14 | 2007-11-14 | Amorphous alloy oil immersion type distributing transformer aluminum foil coil and transformer body structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201117410Y (en) |
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2007
- 2007-11-14 CN CNU2007200761775U patent/CN201117410Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20151114 |
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| EXPY | Termination of patent right or utility model |