CN103811156B - Transformer and the method for setting winding - Google Patents

Transformer and the method for setting winding Download PDF

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Publication number
CN103811156B
CN103811156B CN201310313394.1A CN201310313394A CN103811156B CN 103811156 B CN103811156 B CN 103811156B CN 201310313394 A CN201310313394 A CN 201310313394A CN 103811156 B CN103811156 B CN 103811156B
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Prior art keywords
winding
winding coil
coil
transformer
windings
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CN103811156A (en
Inventor
M·佩特伦
D·多里纳
B·克洛西
G·斯图伯格
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Robert Bosch GmbH
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Robert Bosch GmbH
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Priority to SI201200202A priority Critical patent/SI24125B/en
Priority to SI201200201A priority patent/SI24127A/en
Priority to SIP-201200201 priority
Priority to SIP-201200202 priority
Priority to DE102012019350 priority
Priority to DE102012019350.5 priority
Priority to DE102012020761.1 priority
Priority to DE102012020761 priority
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN103811156A publication Critical patent/CN103811156A/en
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/2823Wires
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306Fastening or mounting coils or windings on core, casing or other support
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/34Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
    • H01F27/346Preventing or reducing leakage fields
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00Adaptations of transformers or inductances for specific applications or functions
    • H01F38/08High-leakage transformers or inductances
    • H01F38/085Welding transformers
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus 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
    • H01F41/02Apparatus 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
    • H01F41/04Apparatus 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
    • H01F41/06Coil winding
    • H01F41/064Winding non-flat conductive wires, e.g. rods, cables or cords

Abstract

The present invention relates to a kind of transformer (130) and a kind of iron core (134,135 being used in transformer (130);272、272;471;472) method that magnetic balancedly sets winding on.The transformer (130) includes an iron core (134,135;272、272;471;472) it is, at least one being wound up on iron core and including multiple primary coils (251 to 256,261 to 266;451 to 456,461 to 466) armature winding (131) and at least two is wound up on iron core and including multiple secondary windings (221 to 226,231 to 236;421 to 427,431 to 437;611st, 612) secondary windings (132,133), and wherein, two secondary coils disposed adjacent one another are arranged in the side of the one side of a primary coil.It is especially true that coil is arranged on iron core so that as small as possible laterally through the magnetizing force difference of transformer window and avoid passing through the leakage magnetic flux of transformer window as far as possible.

Description

Transformer and the method for setting winding
Technical field
Method the present invention relates to transformer and for setting winding, for realizing transformer, particularly welding transformer Iron core in balanced magnetic pumping.
The invention belongs to the field of electrical technology, it is related to welding transformer, Transformer Winding, the excitation of winding, winding Set, more particularly to magnetic field balancedly sets winding and/or implements winding.
Background technology
The winding and electric excitation in the transformer for resistance spot welding by the technical problem that present subject matter solves Inappropriate distribution, it causes the unbalanced magnetic pumping of the magnetic of transformer core, this therefore cause local magnetic saturation and The unsuitable operation of whole resistance spot welding system.
Distributed Winding is generally so carried out on the iron core of transformer so that realizes best magnetic coupling between single winding Close.In the case of for the transformer of special purpose, such as the transformer using DC current progress resistance spot welding In the case of, other matters of priority, such as to the greatest extent may be used for Transformer Winding using fluid cooling media are obeyed in the distribution of winding It good can cool down, compact embodiment and preferential realize preferably other approach of cooling and compact structure.For The newest embodiment of the patented realization of the winding of the welding transformer of resistance spot welding, such as in US 7,978,040 Described in the B2 and B2 of US 7,978,039, there is the shortcomings that certain electromagnetism aspect, these shortcomings by suggesting in this patent Solution can relatively simply eliminate.
The content of the invention
Therefore the task of the present invention is to provide a kind of transformer and a kind of method for setting winding, passes through their energy Enough solves issue noted above.A kind of transformer and a kind of method for setting winding should be especially provided, pass through it Can realize the equilibrium of transformer core(ausgewogene)Magnetic pumping.
The task solves by following transformer:The transformer includes an iron core, at least one armature winding and extremely Few two secondary windings, wherein, armature winding is wound up on iron core and is wound up into iron including multiple primary coils, secondary windings Include on core and respectively multiple secondary coils, wherein, two secondary coils disposed adjacent one another are arranged in the one of primary coil The side of individual side.
It is preferred that the coil of winding is disposed so as laterally in other words vertically through transformer window in the transformer The magnetizing force difference of mouth is as small as possible, and avoids passing through the leakage magnetic flux of transformer window as far as possible.
Can transverse to or parallel to primary coil a side two secondary coils disposed adjacent one another it Between arrangement one separate part.
In a kind of thickness of the possible width and the winding layers of the primary coil on iron core for implementing secondary coil in modification Degree is substantially the same, and the two of the thickness of the winding layers of the thickness of the winding layers of the primary coil on iron core generally secondary coil Times.But different coil dimensions can also be selected because purpose be along iron core balanced winding distribution/magnetizing force distribution and Magnetizing force as small as possible laterally through the pole core of transformer core window.Can also along the magnetizing force distribution of iron core Influenceed by different resistance/inductance of different effects, such as kelvin effect, closing effect, or single coil. In this case it must correspondingly change the single size of coil/winding.
A secondary coil can also be made to be wound around another secondary coil on iron core.Here two secondary coils can To belong to two different secondary windings.In addition the two secondary coils can be by a kind of material of electric insulation, especially here It is that low-voltage insulation material, high voltage insulating materials etc. are separated, and two secondary windings can be with arranged so that at them Between can flow through cooling medium.
The first arrangement being made up of two secondary coils can be arranged on iron core in above-mentioned transformer alternation With the second arrangement being made up of two secondary coils, wherein, one of the first secondary windings time in the first arrangement Level coil is wound on iron core around a secondary coil of second subprime winding, and wherein, the in the second arrangement One secondary coil of secondary stage winding is wound on iron core around a secondary coil of first time level winding.Thus, it is possible to right Ground is claimed to form the electric parameter of two secondary windings, such as leakage inductance.
Iron core can be configured to U-shaped, and secondary windings can respectively in two vertical sides of U-shape one Bar side is wound.Here can be between two vertical sides of U-shape in the arranged alongside of one or two primary coils The secondary windings that one a line around the U-shape is wound, the armature winding are wound around the another a line of U-shape.
Iron core can be the transformer core manufactured with soft magnetic materials.
Primary winding coil and secondary winding coil form the winding bag with first end face and second end face, wherein, it is secondary Level winding coil and primary winding coil are distributed on core packet side by side as in above-mentioned implementation modification.
Here a primary winding coil is to may be constructed the first end face of winding bag, and a secondary winding coil pair It may be constructed the second end face of winding bag.This causes the winding distribution of equilibrium, and it has on the saturation effect of transformer fe in-core There is the advantages of corresponding.
Other selectable scheme be primary winding coil can form winding bag first end face and second end face or Secondary winding coil is to that can form the first end face and second end face of winding bag.This causes winding to be more balancedly distributed, its Saturation effect on transformer fe in-core has the advantages of bigger.
In addition the task is used to set the method for winding to solve by following:This method has following steps:Will at least One armature winding is wound up on iron core, wherein, the armature winding includes multiple primary coils;And by least two levels around Group is wound up on iron core, and each of which secondary windings includes multiple secondary coils, wherein, in winding primary, secondary coil Two secondary coils disposed adjacent one another are arranged in the side of a side of a primary coil.It is preferred that the line by winding Circle avoids passing through transformation arranged so that as small as possible laterally through the magnetizing force difference of transformer window as far as possible The leakage magnetic flux of device window.
Subject of this patent application is the suggestion for primary, secondary windings novel distribution, and it makes it possible to straight Magnetic pumping is used for the iron core of the welding transformer of resistance spot welding with flowing current balance, and this can be by ensureing the single of transformer The coupling of good magnetic is realized between primary, secondary windings.
The present invention other possible embodiment also include above or below on explanation feature embodiment or The combination being not expressly mentioned of person's embodiment.Here those skilled in the art are also using single aspect as to each of the present invention The improvement of citation form or supplement are added.
Brief description of the drawings
Describe the present invention in detail with reference to the accompanying drawings and according to embodiment.In accompanying drawing:
Fig. 1 represents the output par, c of the D.C. resistance spot welding system with welding transformer;
Fig. 2 is the figure for representing balancedly to be distributed the coil of the winding of transformer according to first embodiment;
Fig. 3 represents to be associated with the magnetic of the arrangement according to first embodiment represented in fig. 2 with its component 3A to 3C Change power(= magnetomotive forces)(mmf)Change(Verlauf);
Fig. 4 is the figure for representing balancedly to be distributed the coil of the winding of transformer according to second embodiment;
Fig. 5 represents to be associated with the magnetic of the arrangement according to second embodiment represented in Fig. 4 with its component 5A to 5C Change power(= magnetomotive forces)(mmf)Change;
Fig. 6 represents the structure of two secondary coils according to the first and second embodiments.
In accompanying drawing, as long as not illustrating in addition, identical or function identical element are accompanied by identical reference.
Illustrate the present invention below according to welding transformer.But the invention is not restricted to this, it can also conversely use and be different from Other transformers of welding transformer.
Embodiment
Fig. 1 represents the output par, c of a D.C. resistance spot welding system, the system similar to the B2 of patent US 7,978,040 and US 7,978,039 B2.The output par, c has in Fig. 1:Welding transformer 130, pulse is provided to the welding transformer The alternating voltage 110 of width modulated;The diode 137 and 138 and output weldingvoltage 140 of output rectifier.Transformer 130 Including armature winding 131, the first secondary windings 132, second subprime winding 133 and iron core, in first secondary windings and Electric current 141 and 142 is respectively flowed through in second subprime winding;The iron core has two segmentations 134 and 135, and these segmentations pass through Air gap 136 separates.Armature winding 131 is divided into multiple separated coils, this o'clock for two secondary windings 132 and 133 similarly. The distribution of primary coil and secondary coil on two core packets 134 and 135 must be balanced.
The equilibrium of suggestion of 12 coils of Fig. 1 armature winding 131 in the segmentation 134,135 of iron core is represented in Fig. 2 Distribution, there is it can also be seen that Fig. 1 six coils 221 to 226 of secondary windings 132 and six coils of secondary windings 133 231 to 236.The number of the coil 251 to 256,261 to 266 of armature winding 131 must be in couples and equably Fig. 1's It is distributed in segmentation 134,135, on the contrary, the connection of winding(In parallel or series connection)With the structure of coil(Round wire or rectangle are led Line)It is unimportant, and it is to rely on the embodiment and application purpose of transformer.In order to simply, clearly with univocality say The solution of bright technical problem and assume:By the electric current for the single coil for belonging to arbitrary armature winding or secondary windings It is identical during observing time.In this case importantly, the distance 210 and 211 in Fig. 2 is identical.Electric current 141(Fig. 1) Partly the first secondary windings 132 is flowed through in the period 1(Fig. 1)Six coils 221 to 226, in period 1 part, phase The output commutation diode 137 answered(Fig. 1)It is polarized conducting.Similarly, electric current second round part flow through second subprime around Group 133(Fig. 1)Six coils 231 to 236, in second round part, corresponding second output commutation diode 138(Figure 1)It is polarized conducting.If not applying voltage on armature winding 131 in period 3 part, in period 3 part Middle identical electric current flows through two secondary windings 132,133(Fig. 1), simply in different directions.
As shown in Fig. 2 winding can be cooled down with liquid or gas medium, what the medium was illustrated by 12 Cooling duct 240 is flowed, and they are represented as the drilling of circle in fig. 2.But these drillings can also so as to cooling duct With other shape of cross sections.
Armature winding in Fig. 2 is again divided into 12 separated coils 251 to 256 on core packet 271 and position In the separated coil 261 to 266 on core packet 272.The core packet 135 that core packet 271 is corresponded in Fig. 1.The phase of core packet 272 Should be in the core packet 134 in Fig. 1.Core packet 271,272 is respectively into U-shaped.
12 separated coils 251 to 256 and 261 to 266 of armature winding 131 are also referred to as primary coil below 251 to 256,261 to 266.The coil 221 to 226 of first secondary windings 132 and six coils 231 of second subprime winding 133 Secondary coil 221 to 226,231 to 236 is hereinafter also referred to as to 236.According to Fig. 2, primary coil and secondary coil surround iron respectively A line winding in two vertical sides of the U-shape of core section 271,272.
As shown in Fig. 2 in a primary coil of primary coil 251 to 256 and 261 to 266 on iron core 271,272 Side, arrange secondary coil 221 to 226 and 231 to 236 a secondary coil.Here two it is disposed adjacent one another Secondary coil 221 to 226 and 231 to 236, such as secondary coil 221,231, be arranged in primary coil 251 to 256 and One of 261 to 266, such as the side of primary coil 253.The one of primary coil 254 had both been arranged on the side of secondary coil 223,233 A side of primary coil 261 is also arranged in individual side.Two secondary coils 221 and 231 disposed adjacent one another are arranged so as to, So that they are separated transverse to a side of primary coil 253.The side of primary coil 253 is arranged vertically in fig. 2. This point is equally effective for other primary coils and secondary coil.
In addition one in each secondary coil 221 to 226 and 231 to 236 surrounds the secondary coil in fig. 2 Another in 221 to 226 and 231 to 236 is wound.Such as secondary coil 231 is wound around secondary coil 221.It is secondary Level coil 221 is wound up into the segmentation 271 of iron core again.Therefore secondary coil 231 is also wound up into the segmentation 271 of iron core.Or A secondary coil on iron core 271,272 in the coil 221 to 226 of first secondary windings 132 surrounds second subprime winding Secondary coil winding in 133 coil 231 to 236.Both arrangements are along iron core 271,272 alternations.
As described above and it is shown in fig. 2, distance 210 and 211 is identical.Equally from figure 2 it can be seen that primary coil The thickness of 251 to 256,261 to 266 winding layers on iron core 271,272 is arranged transverse to distance 210 and 211.It is corresponding to this Ground, the width of secondary coil 221 to 226,231 to 236, it is equal to distance 210, substantially equivalent to primary coil 251 to 256,261 To the thickness of 266 winding layers on iron core 271,272.In addition primary coil 251 to 256,261 to 266 is in iron core 271,272 On twice of the thickness generally thickness of the winding layers of secondary coil 221 to 226,231 to 236 of winding layers, such as Fig. 2 institutes Show.However, it is also possible to other sizes are selected in addition.
In fig. 2 the thickness of the winding layers of a primary coil of primary coil 251 to 256,261 to 266 and another Primary coil forms a square together.In addition the winding of two primary coils of primary coil 251 to 256,261 to 266 The thickness of layer forms a square.But the size shown in Fig. 2 is only a kind of special of various other forms of coil Form.Therefore other sizes are also possible.
Fig. 3 A represent the change of magnetizing force, magnetizing force also referred to as " magnetomotive forces ", its letter in English Mmf is written as, armature winding 131 of the electric current by Fig. 1 or the coil 251 to 256,261 to 266 by Fig. 2 and is led to here Cross Fig. 1 secondary windings 132 or flowed by Fig. 2 coil 221 to 226.
Fig. 3 B represent that magnetizing force-English is " magnetomotive forces(mmf)"-change, here electric current lead to Cross Fig. 1 armature winding 131 or the coil 251 to 256,261 to 266 by Fig. 2 and the secondary windings 133 by Fig. 1 Or flowed by Fig. 2 coil 231 to 236.
Fig. 3 C represent that magnetizing force-English is " magnetomotive forces(mmf)"-change, here electric current lead to Cross Fig. 1 secondary windings 132 and either the coil 221 to 226 by Fig. 2 and the secondary windings by Fig. 1 133 or pass through figure 2 coil 231 to 236 flows.
The difference of the magnetizing force in core window is represented with Δ mmf in Fig. 3 A to Fig. 3 C.Core window core packet 271, Arranged between the side and bottom of U-shape in 272 U-shape or in core packet 271,272.
According to the other optional distribution of Fig. 4 winding and possible, its represent according to have secondary coil 421 to 427th, 431 to 437 and primary coil 451 to 456,461 to 466 second embodiment transformer.Here Fig. 2 armature winding Two of 265 and 266 are located at the coil of rightmost arranged so that coil 466 is arranged on core packet 472 in Fig. 4, line Circle 451 is arranged on core packet 471.The coil 236 of the coil 226 of Fig. 2 secondary windings 132 and Fig. 2 secondary windings 132 must Equally it must be split into two halves in Fig. 4, wherein, secondary coil 426 and 436 is arranged on core packet 471, and the He of secondary coil 427 437 replace Fig. 2 secondary coil 226,236 to be arranged on core packet 472.
Fig. 6 represents the structure of two secondary windings.Coil 611 is related to a coil of Fig. 1 secondary windings 132, and line Circle 612 is a coil of Fig. 1 secondary windings 133.Coil 611,612 electrically by electrically insulating material 620, particularly A kind of low-voltage insulation material, high voltage insulating materials etc. separate.Two coils 611,612 are artificially with liquid or gas cold But medium 630 cools down.The separating type by electrically insulating material 620 of coil 611,612 in figure 6, also such as Fig. 2, Fig. 3, Fig. 4 is horizontally disposed as in Fig. 5.Therefore only arrangement electricity is exhausted between two secondary coils 611,612 disposed adjacent one another Edge material 620.But a primary coil of the coil of armature winding with its side arrangement by two secondary coils 611st, the side of the arrangement of 612 compositions, for example sees such as from Fig. 2 for secondary coil 221,231 and primary coil 253 As.
Fig. 3 A to Fig. 3 C and in Fig. 5 A into 5C, it is evident that in fig. 2 in axis 280 and in Fig. 4 in axle In line 480 laterally through the poor Δ mmf of the magnetic flux of transformer window or core window in theory in all cycle portions All it is zero(0).Here premise is that identical electric current is flowed in all coils of a winding.The distribution represented in figure is The best distribution of core body of the magnetic pumping along the welding transformer for being used for resistance spot welding, because laterally leading to thus without producing Cross transformer window(Along axis 280,480)Leakage magnetic flux.This also means that, produce winding 131,132,133 very simultaneously Good magnetic coupling.
As in Figures 2 and 4, the distribution of winding is actual as a result, can also realize transformer fe in-core magnetic Small stray field in the uniform distribution of field and the window of transformer core.Therefore it is not present or significantly core smallly be present The local saturation of body, this makes it possible to relatively easily detect full and used in the case of identical system effectiveness significantly small Iron core.The stray field that can cause supplementary loss in the window of transformer core is also reduced, therefore also improves system Efficiency.Therefore higher welding current value can also be realized.The reduction of iron core, which also allows for using, wherein to be occurred compared with small loss Shorter winding.The gross mass of transformer reduces, and this is favorably improved the efficiency of robotic arm.
According to 3rd embodiment, the secondary windings 22 in Fig. 2, i.e., 221 to 226, and 23, i.e., 231 to 236;Fig. 3,4 With 5 in secondary windings and Fig. 6 in winding 61, i.e., 611,612,90 ° can also be rotated.In this case, it is secondary Winding parallel is arranged in armature winding.
Other optional scheme for all the above embodiments be can also otherwise arrange armature winding and Secondary windings, as long as the setting balanced thus, it is possible to realize the magnetic of winding.
The circuit of winding
1. suggestion balancedly sets armature winding and secondary windings on the iron core for the transformer of resistance spot welding(Phase Should be in Fig. 2 or 4 etc., also by with 90 ° of rotation secondary windings), wherein, the air gap of the iron core of transformer is inessential, same first The coil of level winding also can use circular or rectangular cross section wire to realize.The number of winding can be selected arbitrarily, it is desirable to Coil number as big as possible.
2. integrally implement the secondary windings with intermediate insulation and the gap for cooling medium(Corresponding to Fig. 6), no The embodiment of the connection of the coil of two different secondary windings of the pipe with therebetween dielectric.
3. when implementing Fig. 1 coil of armature winding 131 in the form of small coil, these small coils for reduce compared with In high supply voltage frequency run when electric current kelvin effect negative effect and carried out with thinner round wire or twisted wire Winding, coil are pressed together and cast with the material of good heat conduction after the coiling, and it replaces common coil case.
Therefore the balanced setting corresponding to Fig. 2 either armature winding and secondary windings of Fig. 4 or similar fashion is represented, Wherein, secondary windings can also rotate 90 ° on the iron core for the transformer of resistance spot welding.Here the iron core of transformer It is inessential with 136 air gaps represented in Fig. 1.In Fig. 1 with the primary coils of 131 armature windings represented can also use it is circular or The thin wire or twisted wire of person's rectangular cross section is implemented.The number of coil and connection can be selected arbitrarily.
It is furthermore possible to corresponding to Fig. 6 secondary windings for integrally implementing there is intermediate insulation and between cooling medium Gap.But can also be regardless of the implementation of the connection of the coil of two different secondary windings with therebetween dielectric Type.
When realizing Fig. 1 coil of armature winding 131, these coils run to reduce in higher supply voltage frequency When electric current kelvin effect negative effect and be wound with thinner round wire or twisted wire, coil is pressed after the coiling Cast together and with the material of good heat conduction, it replaces common coil case.
In a word, to realize being uniformly distributed and preventing the leakage magnetic flux in transformer window for transformer fe in-core magnetic field, need Correctly to be distributed primary, secondary windings 131,132,133.The distribution of the suggestion of winding 131,132,133 makes it possible to subtracting The power output of welding transformer 130 is greatly enhanced while in small winding and iron core by being lost caused by leakage magnetic flux.This Kind suggest distribution utilize core body with making it possible to higher efficiency, it means that, in the case of phase same-action can using compared with Small core body.The distribution of this suggestion also allows for more simply detecting the saturation of iron core.
In the method for manufacturing transformer, armature winding and/or secondary windings pass through the core packet 272 in transformer The multiple coils 251 to 256 being separated from each other of upper arrangement are realized.
Transformer and all said structures of methods described can be applied individually or with all possible combination. Especially can above-described embodiment in any combination all features and/or function.In addition it is specifically contemplated that following modification.
The part represented in accompanying drawing is the expression of signal, can be with as long as ensureing their above-mentioned function in accurate construction It is different from the form represented in figure.
The iron core 471,472 in the iron core 271,272 and/or Fig. 4 in iron core 134,135 and/or Fig. 2 in Fig. 1 and The transformer core body manufactured with soft magnetic materials.

Claims (16)

1. transformer(130), there is iron core, armature winding(131)With first and second secondary windings(132、133), the iron Core includes multiple core packets(134、135;271、272;471;472), the armature winding includes multiple primary winding coils (251 to 256,261 to 266;451 to 456,461 to 466), first and second described secondary windings includes multiple secondary respectively Winding coil(221 to 226,231 to 236;421 to 427,431 to 437;611、612), wherein, two are disposed adjacent one another Secondary winding coil is arranged in the side of a side of a primary winding coil, wherein first and second described secondary windings (132、133)Be electrically connected has two output commutation diodes to be connected to(137、138)Output rectifier on, described two Individual output commutation diode(137、138)According to flowing through first and second described secondary windings(132、133)Electric current(141、 142)Cycle portions be alternately turned on it is polarizing, wherein the primary winding coil and secondary winding coil are balancedly divided Cloth is on the core packet:So that flow through the armature winding(131)And flow through first and second described secondary windings(132、 133)Electric current(141、142)Cause the iron core in the electric current(141、142)Whole cycle portions in balanced magnetic swash Encourage.
2. transformer according to claim 1(130), wherein, the primary winding coil and the secondary winding coil Forming one has first end face(A)And there is second end face(B)Winding bag.
3. transformer according to claim 1 or 2(130), wherein, the secondary winding coil and the armature winding line Circle is abreast distributed on the core packet.
4. transformer according to claim 1 or 2(130), wherein, be distributed the secondary winding coil and it is described it is primary around Group coil so that at least one side of a secondary winding coil is always positioned at the side of the one side of a primary winding coil.
5. transformer according to claim 1 or 2(130), wherein, select the number of the primary winding coil so that The primary winding coil is equably distributed in couples and on the core packet and is size design in the same manner.
6. transformer according to claim 1 or 2(130), wherein, select the number of the secondary winding coil so that The secondary winding coil is distributed on the core packet in couples and equably.
7. transformer according to claim 2(130), wherein, a primary winding coil is to forming the of the winding bag End face(A)And a secondary winding coil is to the second end face of the composition winding bag(B).
8. transformer according to claim 2(130), wherein, a primary winding coil is to forming the of the winding bag End face(A)And second end face(B)Or one secondary winding coil to form winding bag first end face(A)And second end face (B).
9. transformer according to claim 1 or 2(130), wherein, the secondary winding coil phase of a secondary winding coil pair 90 degree are rotated for the primary winding coil.
10. transformer according to claim 9, wherein, realize the secondary winding coil pair so that one first level around Group coil is wound around a second subprime winding coil, wherein, first secondary winding coil and second subprime winding coil It is also about core packet winding.
11. transformer according to claim 10, wherein, first secondary winding coil and the second subprime winding Coil belongs to two different secondary windings(132、133).
12. transformer according to claim 10, wherein, first secondary winding coil and the second subprime winding Coil passes through a kind of low-voltage insulation material(620)Separate.
13. transformer according to claim 10, wherein, first secondary winding coil and the second subprime winding Coil is arranged and shaping so that can flow a cooling medium between them(630).
14. transformer according to claim 1 or 2, wherein, the core packet is configured to U-shaped, wherein, each section has First while and when second, and wherein, the primary winding coil and the secondary winding coil surround first side respectively Wound with second side.
15. transformer according to claim 1 or 2, wherein, the core packet is made up of soft magnetic materials.
16. in transformer(130)Iron core on set winding method, there are following steps:
- by least one armature winding(131)Be wound up on the iron core, wherein, the armature winding include it is multiple it is primary around Group coil, the iron core include multiple core packets(134、135;271、272;471;472),
- by first and second secondary windings(132、133)It is wound up on the iron core, wherein, each secondary windings includes multiple Secondary winding coil,
- wherein, when winding the primary winding coil and the secondary winding coil, by two times disposed adjacent one another Level winding coil is arranged in the side of the one side of a primary winding coil,
- wherein, will first and second described secondary windings(132、133)Electrical connection has two output rectifications two to be connected to Pole pipe(137、138)Output rectifier on, described two output commutation diodes(137、138)According to flow through described first and Second subprime winding(132、133)Electric current(141、142)Cycle portions be alternately turned on it is polarizing,
- wherein, the primary winding coil and secondary winding coil are balancedly distributed on the core packet:So that flow through The armature winding(131)And flow through first and second described secondary windings(132、133)Electric current(141、142)Cause institute Iron core is stated in the electric current(141、142)Whole cycle portions in balanced magnetic pumping.
CN201310313394.1A 2012-06-14 2013-06-14 Transformer and the method for setting winding Active CN103811156B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SI201200202A SI24125B (en) 2012-06-14 2012-06-14 A deviceand a method for esthablishing saturation of magnetic cores of transformators
SI201200201A SI24127A (en) 2012-06-14 2012-06-14 Installation of windings for reaching balanced magnetic excitation in the iron cores of the welding transformator
SIP-201200201 2012-06-14
SIP-201200202 2012-06-14
DE102012019350 2012-10-02
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104681243A (en) * 2014-04-29 2015-06-03 广东美的厨房电器制造有限公司 Transformer
CN105118628A (en) * 2015-09-23 2015-12-02 常州机电职业技术学院 Low-voltage welding transformer and operation method thereof
CN105206395A (en) * 2015-10-12 2015-12-30 深圳振华富电子有限公司 Radio-frequency transformer
CN105513773A (en) * 2015-12-11 2016-04-20 深圳市瑞凌实业股份有限公司 Transformer, integrated transformer circuit and inverter welding machine
CN113436857A (en) * 2021-06-18 2021-09-24 青岛海信日立空调系统有限公司 Transformer, circuit substrate and switching power supply

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3251303B2 (en) * 1997-06-13 2002-01-28 三和テッコム株式会社 Slit transformer
US7436279B2 (en) * 2006-08-25 2008-10-14 Minebea Co., Ltd. High voltage transformer
CN102214512A (en) * 2010-04-12 2011-10-12 陈进祥 Voltage transformation device
CN202102847U (en) * 2010-11-19 2012-01-04 广东斯泰克电子科技有限公司 Novel deformer
CN102360825A (en) * 2011-07-28 2012-02-22 苏州鼎能电力设备有限公司 Low-noise dry type transformer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01308012A (en) * 1988-06-06 1989-12-12 Toshiba Corp Transformer for pwm converter
DE102007001234A1 (en) 2007-01-08 2008-07-10 Robert Bosch Gmbh Semiconductor module for connection to a transformer winding and transformer arrangement
DE102007001233A1 (en) 2007-01-08 2008-07-10 Robert Bosch Gmbh Winding element for a coil winding and transformer arrangement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3251303B2 (en) * 1997-06-13 2002-01-28 三和テッコム株式会社 Slit transformer
US7436279B2 (en) * 2006-08-25 2008-10-14 Minebea Co., Ltd. High voltage transformer
CN102214512A (en) * 2010-04-12 2011-10-12 陈进祥 Voltage transformation device
CN202102847U (en) * 2010-11-19 2012-01-04 广东斯泰克电子科技有限公司 Novel deformer
CN102360825A (en) * 2011-07-28 2012-02-22 苏州鼎能电力设备有限公司 Low-noise dry type transformer

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