CN101471171A - Amorphous alloy oil immersion type distribution transformer body structure and manufacturing method thereof - Google Patents
Amorphous alloy oil immersion type distribution transformer body structure and manufacturing method thereof Download PDFInfo
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- CN101471171A CN101471171A CNA2007101730853A CN200710173085A CN101471171A CN 101471171 A CN101471171 A CN 101471171A CN A2007101730853 A CNA2007101730853 A CN A2007101730853A CN 200710173085 A CN200710173085 A CN 200710173085A CN 101471171 A CN101471171 A CN 101471171A
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Abstract
The invention relates to a structure and a manufacture method of amorphous alloy dry distribution transformer, wherein the structure comprises a three-phase iron core, a high and a low tension coils which are respectively winded into a whole structure and which case on the three-phase iron core, an insulating frame arranged in the low tension coil, upper and lower clippers arranged at the upper and the lower ends of the high and the low tension coils, and a plurality of aluminum-copper transition joints fixed on the upper clippers by insulating wire clamps or insulators. The high and the low tension coils all employ aluminum as conducting material, and the high tension coil cases around the high tension coil after being bound with aluminum wires and encapsulated by epoxy. The manufacture method of amorphous alloy dry distribution transformer replaces copper with aluminum, which not only has the feature of low open circuit loss of common amorphous alloy distribution transformers but also is characterized by low material cost and light weight, thereby reducing effects caused by price rise of copper to cost of distribution transformers, and reducing consumption of copper which is short in supply.
Description
Technical field
The present invention relates to a kind of machine body structure of transformer, relate in particular to a kind of machine body structure and manufacture method thereof of amorphous alloy dry-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 dry-type distribution transformer (doing change hereinafter to be referred as amorphous) 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 dried cost performance that becomes of amorphous, has also restricted amorphous to a certain extent and has done applying of becoming.
Existing homemade amorphous is done the high and low pressure coil that becomes and nearly all is made into copper conductor, Copper Foil.If replace Copper Foil, aluminum conductor Alloy instead of Copper wire producing coil with aluminium foil, under the identical prerequisite of properties of product, can reduce material cost about 20%.So not only can optimize amorphous and do the cost performance that becomes, and can reduce the rise of copper valency, reduce country's copper resource consumption in short supply the dried influence that becomes this of amorphous.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention aims to provide and a kind ofly can obviously reduce material cost, and has the machine body structure and the manufacture method thereof of the amorphous alloy dry-type distribution transformer of good energy-saving effect.
The technical scheme that realizes above-mentioned purpose is:
The manufacture method of a kind of amorphous alloy dry-type distribution transformer of one of the present invention may further comprise the steps:
The first step is made the three-phase iron core with winding method;
In second step, be located at the end folder at the left and right two ends of high-tension coil and be located at combination folder, insulation framework and the aluminum bronze transition joint that the upper and lower folder of two newel post low-voltage coil outer ends up and down constitutes with the method manufacturing of machining;
The 3rd step is at insulation framework external application aluminium foil coiling low-voltage coil;
The 4th step is with aluminum conductor independence coiling high-tension coil;
In the 5th step, carry out the assembling of device body in the mode that the insulation framework that has low-voltage coil is sleeved on the three-phase iron core, high-tension coil is sleeved on outside the low-voltage coil;
In the 6th step, coil connects.
The machine body structure of a kind of amorphous alloy dry-type distribution transformer of two of the present invention, comprise the three-phase iron core, be sleeved on the high-voltage coil and low-voltage coil that independently turns to integral body respectively on the three-phase iron core, be arranged on the insulation framework in the low-voltage coil, be located on the high-voltage coil and low-voltage coil, the folder from top to bottom at following two ends, somely be fixed on aluminum bronze transition joint on the upper clamping piece by insulated conductor folder or insulator, it is characterized in that: the electric conducting material of described high-voltage coil and low-voltage coil all adopts metallic aluminium, and described high-tension coil is that the aluminum conductor coiling is also with being sleeved on after epoxy resin enclosed outside the described low-voltage coil.
In the machine body structure of above-mentioned amorphous alloy dry-type distribution transformer, described insulation framework is the rectangle cylindrical shell that mates with described three-phase core section.
In the machine body structure of above-mentioned amorphous alloy dry-type distribution transformer, described aluminum bronze transition joint is totally six and arrange with the homoaxial form of described high-voltage coil and low-voltage coil of two of every phases, and described every aluminum bronze transition joint is made of integrally welded copper bar and aluminium row; The head of described low-voltage coil, terminal row with the aluminium of described aluminum bronze transition joint respectively are connected.
In the machine body structure of above-mentioned amorphous alloy dry-type distribution transformer, described insulated conductor folder is between the copper bar and described upper clamping piece on described aluminum bronze transition joint top.
Owing to adopted above-mentioned technical solution, for copper, aluminium is the excellence conductor that electric conductivity is only second to copper with aluminium in the present invention, the mass density of aluminium is little, and not as good as 1/3rd of copper, and the bauxite resource of China is quite abundant, do not need import, therefore, the utlity model has that the cost of material is low, in light weight, reduce the copper valency and go up to the dried advantage that becomes this influence of amorphous, in addition, the utility model no-load loss is low, no-load current is little, has good energy-saving effect; The solid compact and reasonable of machine body structure, the mechanical Strength for Winding height, the impact that can bear short circuit current is 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 schematic diagram of the structure of amorphous alloy dry-type distribution transformer of the present invention;
Fig. 2 is the structural representation of the aluminum bronze transition joint in the structure of amorphous alloy dry-type distribution transformer of the present invention;
Fig. 3 is that A-A among Fig. 2 is to cutaway view.
Embodiment
See also Fig. 1, and in conjunction with Fig. 2, Fig. 3, the manufacture method of a kind of amorphous alloy dry-type distribution transformer of one of the present invention may further comprise the steps:
The first step is made three-phase iron core 7 with winding method, and three-phase unshakable in one's determination 7 is the four frame pentastyles or the three-frame and three pole structure of square-section, can be made up of a row or the two row's amorphous alloy cores that stack side by side;
Second step, method manufacturing with machining is located at the end folder at high-tension coil 5 left and right two ends and is located at combination folder, insulation framework 3 and the aluminum bronze transition joint 1 of upper and lower folder 6 formations of two newel post's low-voltage coils, 4 outer ends up and down, wherein, insulation framework 3 is the rectangle cylindrical shell of internal diameter and three-phase 7 cross-sections match unshakable in one's determination; Aluminum bronze transition joint 1 is arranged 11 integrally welded by copper bar 12 and aluminium;
The 3rd step at insulation framework 3 external application aluminium foil coiling low-voltage coils 4, turned to the rectangle layer coil with low-voltage coil 4, and the number of plies of coil is its number of turn, and turn-to-turn separates with layer insulation paper;
In the 4th step,, high-tension coil 5 independently is turned to all around segmented rectangle layer coil with fillet, with becoming firm integral body behind the poured with epoxy resin with aluminum conductor independence coiling high-tension coil;
The 5th step, carry out the assembling of device body in the modes that the insulation framework 3 that has low-voltage coil 4 is sleeved on the three-phase iron core 7, high-tension coil 5 is sleeved on outside the low-voltage coil 4, when the device body assembled, the high and low pressure coil 5,4 of a phase was set on the same three-phase iron core 7;
The 6th step, coil connects, and the aluminium foil of aluminum bronze transition joint 1 aluminium row 11 and low-voltage coil 4 welds together, and the copper bar 12 of aluminum bronze transition joint 1 leads to the outside of coil vertically, and be fixed on the upper clamping piece 6 of device body with insulated conductor folder 2 so that and user side output bus arrange and be connected.
The machine body structure of a kind of amorphous alloy dry-type distribution transformer of two of the present invention, comprise three-phase iron core 7, be set in the low-voltage coil 4 and the high-tension coil 5 that independently turn to integral body on the three-phase iron core, be arranged on the insulation framework 3 in the low-voltage coil 4, be located at high-voltage coil and low-voltage coil 5, on 4, on the following two ends, lower clamping piece 6, be fixed on the busbar that the aluminum bronze transition joint 1 on the upper clamping piece 6 constitutes by some by insulated conductor folder 2 or insulator, wherein, described high-voltage coil and low-voltage coil 5,4 electric conducting material all adopts metallic aluminium, and high-tension coil 5 is for the aluminum conductor coiling and with being sleeved on after epoxy resin enclosed outside the low-voltage coil 4.
In the utility model, three-phase iron core 7 usefulness amorphous alloy strips are reeled and are formed, and are the four frame pentastyles or the three-frame and three pole structure of square-section, can be made up of a row or the two row's amorphous alloy cores that stack side by side.
Low-voltage coil 4 also directly is wound on the insulation framework 3 for aluminium foil, and the width of aluminium foil can calculate according to its reactance value.
Aluminum bronze transition joint 1 is totally six and arrange with high-voltage coil and low-voltage coil 5,4 homoaxial forms of two of every phases, and each aluminum bronze transition joint 1 is arranged 11 integrally welded by copper bar 12 and aluminium, and insulated conductor folder 2 is between the copper bar 12 and upper clamping piece 6 on aluminum bronze 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 low-voltage coil 4.
In sum, for copper, it not only has the feature of the low no-load loss that general amorphous do to become with aluminium in the present invention, has also that the cost of material is low, and is in light weight, reduces the copper valency and goes up to the dried influence that becomes this of amorphous, reduces advantages such as copper resource consumption in short supply.
Below embodiment has been described in detail the present invention in conjunction with the accompanying drawings, and those skilled in the art can make the many variations example to the present invention according to the above description.Thereby some details among the embodiment should not constitute limitation of the invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (5)
1. the manufacture method of an amorphous alloy dry-type distribution transformer may further comprise the steps:
The first step is made the three-phase iron core with winding method;
In second step, be located at the end folder at the left and right two ends of high-tension coil and be located at combination folder, insulation framework and the aluminum bronze transition joint that the upper and lower folder of two newel post low-voltage coil outer ends up and down constitutes with the method manufacturing of machining;
The 3rd step is at insulation framework external application aluminium foil coiling low-voltage coil;
The 4th step is with aluminum conductor independence coiling high-tension coil;
In the 5th step, carry out the assembling of device body in the mode that the insulation framework that has low-voltage coil is sleeved on the three-phase iron core, high-tension coil is sleeved on outside the low-voltage coil;
In the 6th step, coil connects.
2. the machine body structure of an amorphous alloy dry-type distribution transformer, comprise the three-phase iron core, be sleeved on the three-phase iron core independently turn to whole high-voltage coil and low-voltage coil respectively, be arranged on insulation framework in the low-voltage coil, be located at the high-voltage coil and low-voltage coil upper/lower terminal folder from top to bottom, somely be fixed on aluminum bronze transition joint on the upper clamping piece by insulated conductor folder or insulator, it is characterized in that: the electric conducting material of described high-voltage coil and low-voltage coil all adopts metallic aluminium, and described high-tension coil is that the aluminum conductor coiling is also with being sleeved on after epoxy resin enclosed outside the described low-voltage coil.
3. the machine body structure of amorphous alloy dry-type distribution transformer according to claim 2 is characterized in that: described insulation framework for the rectangle cylindrical shell of described three-phase core section coupling.
4. the machine body structure of amorphous alloy dry-type distribution transformer according to claim 2, it is characterized in that: described aluminum bronze transition joint is totally six and arrange with the homoaxial form of described high-voltage coil and low-voltage coil of two of every phases, and described every aluminum bronze transition joint is made of integrally welded copper bar and aluminium row; The head of described low-voltage coil, terminal row with the aluminium of described aluminum bronze transition joint respectively are connected.
5. the machine body structure of amorphous alloy dry-type distribution transformer according to claim 4 is characterized in that: described insulated conductor folder is between the copper bar and described upper clamping piece on described aluminum bronze transition joint top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101730853A CN101471171A (en) | 2007-12-26 | 2007-12-26 | Amorphous alloy oil immersion type distribution transformer body structure and manufacturing method thereof |
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| CNA2007101730853A CN101471171A (en) | 2007-12-26 | 2007-12-26 | Amorphous alloy oil immersion type distribution transformer body structure and manufacturing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013304A (en) * | 2010-10-21 | 2011-04-13 | 汉中新环干式变压器有限责任公司 | Dry type explosion-proof movable substation transformer core for amorphous alloy mine |
| CN105304291A (en) * | 2014-07-18 | 2016-02-03 | 扬州华鼎电器有限公司 | Foil winding dry type transformer and production method thereof |
| CN113808846A (en) * | 2021-11-02 | 2021-12-17 | 山东电工电气集团智能电气有限公司 | Dry-type transformer coil winding method, dry-type transformer coil and dry-type transformer |
-
2007
- 2007-12-26 CN CNA2007101730853A patent/CN101471171A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013304A (en) * | 2010-10-21 | 2011-04-13 | 汉中新环干式变压器有限责任公司 | Dry type explosion-proof movable substation transformer core for amorphous alloy mine |
| CN105304291A (en) * | 2014-07-18 | 2016-02-03 | 扬州华鼎电器有限公司 | Foil winding dry type transformer and production method thereof |
| CN105304291B (en) * | 2014-07-18 | 2017-06-16 | 扬州华鼎电器有限公司 | A kind of paper tinsel is around dry-type transformer and its production method |
| CN113808846A (en) * | 2021-11-02 | 2021-12-17 | 山东电工电气集团智能电气有限公司 | Dry-type transformer coil winding method, dry-type transformer coil and dry-type transformer |
| WO2023077604A1 (en) * | 2021-11-02 | 2023-05-11 | 山东电工电气集团智能电气有限公司 | Dry-type transformer coil winding method, dry-type transformer coil and dry-type transformer |
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Open date: 20090701 |