CN106298178A - Energy saving transformer and preparation method thereof - Google Patents

Energy saving transformer and preparation method thereof Download PDF

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Publication number
CN106298178A
CN106298178A CN201610876833.3A CN201610876833A CN106298178A CN 106298178 A CN106298178 A CN 106298178A CN 201610876833 A CN201610876833 A CN 201610876833A CN 106298178 A CN106298178 A CN 106298178A
Authority
CN
China
Prior art keywords
stem
yoke
energy saving
transformer
saving transformer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610876833.3A
Other languages
Chinese (zh)
Inventor
刘燕
肖勋
卢达烽
吴红菊
梁兆豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUNTEN ELECTRIC EQUIPMENT CO Ltd
Original Assignee
SUNTEN ELECTRIC EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SUNTEN ELECTRIC EQUIPMENT CO Ltd filed Critical SUNTEN ELECTRIC EQUIPMENT CO Ltd
Priority to CN201610876833.3A priority Critical patent/CN106298178A/en
Publication of CN106298178A publication Critical patent/CN106298178A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/341—Preventing or reducing no-load losses or reactive currents
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/263—Fastening parts of the core together
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/33—Arrangements for noise damping
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0233—Manufacturing of magnetic circuits made from sheets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils

Abstract

A kind of energy saving transformer and preparation method thereof, including iron core；Iron core is mainly made up of upper yoke, lower yoke and stem, it is characterised in that: stem is provided with three, and between upper yoke and lower yoke；Three stems are isosceles triangle arrangement；Between three stems, spacing is equal.The present invention, by using high permeability material to fill to improve magnetic circuit at seam crossing, reduces open circuit loss unshakable in one's determination and no-load current.The transformator made directly is stitched by rewinding material, processed by seam special process, for comparing tradition yi word pattern laminated core transformator, material can be saved, improve production efficiency, reduce production cost, and owing to core limb can improve magnetic circuit, while open circuit loss and no-load current are less, noise is also improved, and noise substantially reduces.And transformer coil can individually coiling, then be arranged on iron core, improve production efficiency.A kind of Economical energy-saving type transformer core is provided for transformer industry.

Description

Energy saving transformer and preparation method thereof
Technical field
The present invention relates to a kind of transformator, particularly a kind of energy saving transformer, belong to electric power and distribution transformer technology Field.
Background technology
At present, China's power industry uses electric power and the distribution transformer overwhelming majority are all traditional laminated core transformations Device.Laminated core transformator typically uses mitre, so needing the angle of attack in the electrical steel sheet course of processing, and the corner swept away Material will become waste material, causes waste of material to a certain extent.And, needed for the corner of stalloy adds trade union's a lot of snips of increase Time, simultaneously increase core-lamination stack time workload, greatly reduce transformer production efficiency and increase produce time institute The energy consumption needed.Under country advocates the overall situation of the saving energy, transformer manufacturing industry seems somewhat delayed in this respect.
Therefore, the novel energy-conserving transformator that a kind of performance of transformer manufacturing industry demand is more outstanding.
Chinese patent literature CN1567487A discloses a kind of three-phase stereo rewinding material transformation on January 19th, 2005 Device, specifically discloses a kind of three dimensional wound core transformator being made up of three stair-stepping annular rewinding material.Its processing work unshakable in one's determination Skill is complicated, and the longest, efficiency is low.
Chinese patent literature CN102768895A discloses three dimensional wound core energy-economic transformer on August 1st, 2012, tool Body discloses the winding method of a kind of three dimensional wound core transformer coil.But coil need to be fixed coiling on iron core by the method, Efficiency is low, and demand technological level is high, and to transformator assembling and maintenance inconvenience.
For solving this series of problems, it is more preferable that the present invention proposes a kind of performance, and production efficiency is higher, and manufacturing cost is lower Energy saving transformer.
Summary of the invention
It is desirable to provide a kind of superior performance, production efficiency is higher, the energy saving transformer that manufacturing cost is lower, with Overcome prior art not enough.
For achieving the above object, the present invention provides a kind of energy saving transformer, including iron core and coil；Described iron core by Upper yoke, lower yoke and stem composition, it is characterised in that: described stem is provided with three, and be positioned at upper yoke and under Between iron yoke；Three stems are isosceles triangle arrangement；Between three described stems, spacing is equal.
Described stem is that rectangular sheet closed assembly forms, and stem can be cuboid, cylinder or Elliptic Cylinder.Upper yoke and under Iron yoke by silicon-steel sheet coiled around circular.It is directly to stitch, and be filled with high permeability material patch between upper yoke, lower yoke and stem Close.Upper yoke, the magnetic flux cross section of lower yoke amass the sectional area less than stem.Three stems are the cubic arrangement of equilateral triangle.
A kind of manufacture method of energy saving transformer, including above-mentioned energy saving transformer, its manufacture method is:
Step one, winds the material strip cut out continuously on three-dimensional up-coiler unshakable in one's determination, obtains upper yoke, lower yoke；
Step 2, the stem obtained by rectangular iron lamination closed assembly, stem can be cuboid, cylinder or Elliptic Cylinder；
Step 3, fixing lower yoke, the lap position at lower yoke Yu stem coats high permeability material, by the two overlap joint patch Close；
Step 4, coil, without carrying out coiling on iron core, is sleeved on stem after coiling completes separately again；
Step 5, the other end at stem is coated same high permeability material, then is pasted with stem upper end overlap joint by upper yoke Close.
The present invention, by using high permeability material to fill to improve magnetic circuit at seam crossing, reduces open circuit loss unshakable in one's determination and zero load Electric current.Directly stitched the transformator made by rewinding material, filled the process of high permeability material by seam crossing, compare tradition yi word pattern For laminated core transformator, it is possible to save material, improve production efficiency, reduce production cost, and owing to core limb can change Kind magnetic circuit, while open circuit loss and no-load current are less, noise is also improved, hence it is evident that reduce.And transformer coil can Individually coiling, then be arranged on iron core, improve production efficiency.Transformer industry provides a kind of Economical energy-saving type transformer core.
The iron core of transformator is by single upper yoke, lower yoke and three single stem compositions, upper and lower iron yoke and stem Between for directly seam and use special process to fit, without mitre.
Three stems of transformer core are the cubic arrangement of equilateral triangle, and the length of magnetic path of three-phase is consistent, and It is short, so that three-phase keeps balance.
Iron yoke is filled with the seam crossing high permeability material of stem up and down, improves magnetic circuit, reduces open circuit loss unshakable in one's determination, No-load current and noise.
Up and down iron yoke uses takeup type closed assembly method to make, iron yoke by the material strip cut out at three-dimensional up-coiler unshakable in one's determination Upper winding continuously forms, convenient and swift；This processing mode can accomplish that no waste mine is processed, and stock utilization, close to 100%, carries High production efficiency, reduces core material waste and energy loss that transformator causes in process of production.Upper and lower iron yoke Sectional area is less than the sectional area of stem, and the volume that can make again transformator while reducing material consumption is smaller and more exquisite, joint Space needed for about product is installed.
Every, transformator stem is formed by rectangular iron lamination closed assembly, and this processing mode can accomplish that no waste mine is processed, Stock utilization, close to 100%, improves production efficiency, reduces the core material waste that transformator causes in process of production And energy loss.
Transformer coil, without carrying out coiling on iron core, can be sleeved on iron core column after coiling completes separately again and complete Assembling, saves the time of a lot of coil winding than conventional three dimensional wound core transformator, improves production efficiency and assembling Convenience；Property easy to assembly improves convenience when transformator is safeguarded, convenient maintenance simultaneously.
Present invention can apply to the dry-type transformer under all different losses require or oil-filled transformer.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is iron yoke and core limb assembling structural representation.
Fig. 3 is the decomposition texture schematic diagram of the present invention.
In figure, 1 is upper yoke, and 2 is lower yoke, and 3 is stem, and 4 is coil.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Seeing Fig. 1-Fig. 3, a kind of energy saving transformer, including unshakable in one's determination and coil 4；Unshakable in one's determination main by upper yoke 1, lower yoke 2 and stem 3 form, stem 3 is provided with three, and between upper yoke 1 and lower yoke 2；Three stems are isosceles triangle Arrangement；Between three stems, spacing is equal.
It is directly to stitch between upper yoke 1, lower yoke 2 and stem 3, and is filled with high permeability material.
Upper yoke 1, the magnetic flux cross section of lower yoke 2 amass the sectional area less than stem 3.
Fit for directly seam and employing special process between iron yoke and stem up and down, it is achieved the docking of leveling face, do not deposit In mitre.
Between three core limbs 3, spacing is equal, and arranges in isosceles triangle.The length of magnetic path of three-phase is consistent, and the shortest, So that three-phase keeps balance.High permeability material is filled with, and improves magnetic circuit, reduces open circuit loss unshakable in one's determination, no-load current and making an uproar Sound.
Its manufacture method is:
Step one, by stalloy coiling and molding on three-dimensional iron core winder, obtains upper yoke 1, lower yoke 2.This add Work mode can accomplish that no waste mine is processed, and stock utilization, close to 100%, improves production efficiency, reduces transformator and is giving birth to The core material waste caused during product and energy loss.The sectional area of iron yoke is less than the sectional area of stem up and down, fall The volume that can make again transformator while low material consumption is smaller and more exquisite, saves the space needed for product is installed；
Step 2, obtains stem 3 by rectangular iron lamination closed assembly.This processing mode can accomplish that no waste mine is processed, material Utilization rate, close to 100%, improves production efficiency, reduces core material waste and energy that transformator causes in process of production Consume is lost；
Step 3, fixing lower yoke 2, the lap position at lower yoke 2 with stem 3 is coated high permeability material, is taken by stem It is connected to herein；
Step 4, coil 4, without carrying out coiling on iron core, is sleeved on stem 3 after coiling completes separately again；
Step 5, the other end at stem 3 scribbles same high permeability material, then is connected with stem 3 upper end by upper yoke 1 Connect.
Every stem is all a single entirety.The magnetic flux cross section of iron yoke amass want can be less than the sectional area of stem, cut Area ratio interval is 0.5～0.9, and optimum ratio is depending on technological coefficient.
Transformer coil can individually coiling, it is not necessary to carries out coiling on iron core, decreases the dependence to spooling equipment.
Present invention can apply to the dry-type transformer under all different losses require or oil-filled transformer.Oil immersed type transformation The energy saving transformer that assembling completes can be put in fuel tank by device, has continued assembling.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of this area Personnel, it should be recognized that the present invention is not restricted to the described embodiments, simply illustrate this described in above-described embodiment and description Bright principle, the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, these changes Both fall within scope of the claimed invention with improvement.Claimed scope by appending claims and etc. Jljl is defined.

Claims (7)

1. an energy saving transformer, including unshakable in one's determination and coil (4)；Described iron core by upper yoke (1), lower yoke (2) and Stem (3) forms, it is characterised in that: described stem (3) is provided with three, and be positioned at upper yoke (1) and lower yoke (2) it Between；Three stems are isosceles triangle arrangement；Between three described stems, spacing is equal.
Energy saving transformer the most according to claim 1, it is characterised in that: described stem (3) be rectangular sheet closed assembly and Cuboid, cylinder or the Elliptic Cylinder become.
Energy saving transformer the most according to claim 1, it is characterised in that: described upper yoke (1) and lower yoke (2) by Silicon-steel sheet coiled is around circular.
4. according to the energy saving transformer described in any one of claim 13, it is characterised in that: described upper yoke (1), under It is directly to stitch, and be filled with high permeability material laminating between iron yoke (2) and stem (3).
Energy saving transformer the most according to claim 4, it is characterised in that: described upper yoke (1), lower yoke (2) The long-pending sectional area less than stem (3) of magnetic flux cross section, sectional area ratio interval is 0.5～0.9.
6. according to the energy saving transformer described in claim 5, it is characterised in that: three described stems (3) are in equilateral triangle Cubic arrangement.
7. a manufacture method for energy saving transformer, including energy saving transformer according to claim 4, its making side Method is:
Step one, winds the material strip cut out continuously on three-dimensional up-coiler unshakable in one's determination, obtains upper yoke (1), lower yoke (2)；
Step 2, obtains stem (3) by rectangular iron lamination closed assembly, and stem can be cuboid, cylinder or Elliptic Cylinder；
Step 3, fixing lower yoke (2), the lap position at lower yoke (2) Yu stem (3) is coated high permeability material, be incited somebody to action the two Overlap joint laminating；
Step 4, coil (4), without carrying out coiling on iron core, is sleeved on after coiling completes separately on stem (3) again；
Step 5, the other end at stem (3) is coated same high permeability material, then is taken with stem (3) upper end by upper yoke (1) Connect laminating.
CN201610876833.3A 2016-09-29 2016-09-29 Energy saving transformer and preparation method thereof Pending CN106298178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610876833.3A CN106298178A (en) 2016-09-29 2016-09-29 Energy saving transformer and preparation method thereof

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Application Number Priority Date Filing Date Title
CN201610876833.3A CN106298178A (en) 2016-09-29 2016-09-29 Energy saving transformer and preparation method thereof

Publications (1)

Publication Number Publication Date
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Application Number Title Priority Date Filing Date
CN201610876833.3A Pending CN106298178A (en) 2016-09-29 2016-09-29 Energy saving transformer and preparation method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107146681A (en) * 2017-06-27 2017-09-08 海宁联丰东进电子有限公司 A kind of combined type PFC inductance

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2360918Y (en) * 1998-12-18 2000-01-26 谢伟民 Lamination three-dimensional transformer
JP2003163124A (en) * 2001-11-27 2003-06-06 Hitachi Ltd Three-phase transformer
CN201421770Y (en) * 2009-06-08 2010-03-10 吴茂安 Open triangle transformer iron core
CN202332513U (en) * 2011-11-23 2012-07-11 吴茂安 Stereo amorphous alloy wound iron core

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2360918Y (en) * 1998-12-18 2000-01-26 谢伟民 Lamination three-dimensional transformer
JP2003163124A (en) * 2001-11-27 2003-06-06 Hitachi Ltd Three-phase transformer
CN201421770Y (en) * 2009-06-08 2010-03-10 吴茂安 Open triangle transformer iron core
CN202332513U (en) * 2011-11-23 2012-07-11 吴茂安 Stereo amorphous alloy wound iron core

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107146681A (en) * 2017-06-27 2017-09-08 海宁联丰东进电子有限公司 A kind of combined type PFC inductance

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Application publication date: 20170104