CN102939633A - Static electromagnetic apparatus - Google Patents
Static electromagnetic apparatus Download PDFInfo
- Publication number
- CN102939633A CN102939633A CN2010800673849A CN201080067384A CN102939633A CN 102939633 A CN102939633 A CN 102939633A CN 2010800673849 A CN2010800673849 A CN 2010800673849A CN 201080067384 A CN201080067384 A CN 201080067384A CN 102939633 A CN102939633 A CN 102939633A
- Authority
- CN
- China
- Prior art keywords
- iron core
- hollow form
- bar
- static electromagnetic
- hollow
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/12—Magnetic shunt paths
-
- 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
- H01F27/25—Magnetic cores made from strips or ribbons
-
- 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
- H01F27/255—Magnetic cores made from particles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The purpose of the present invention is to provide a core structure for reactor and transformer cores which is characterised in being formed from a hollow core and a rod core, and having an arbitrary number of limbs. The core structure is provided with a plurality of hollow cores formed in the shape of a hollow, and a plurality of rod cores which are disposed between the hollow cores so as to bring the hollow surfaces thereof in opposition with each other, and wiring is wound around a part of the cores.
Description
Technical field
The static electromagnetic equipments such as the reactor of iron core conformation or transformer have been the present invention relates to improve.
Background technology
In the static electromagnetic equipments such as reactor or transformer, by silicon steel plate being carried out the demoulding and carry out stacked the shaping, iron loss is large, magneto-strain large and produce the problem such as noise but silicon steel plate exists when consisting of its iron core.Therefore, developed the technology that the thin film conductor that utilizes the little noncrystalline of iron loss and magneto-strain or FINEMET (Off ア イ Application メ Star ト) (registered trade mark of Hitachi Metals) etc. consists of iron core.
When the thin film conductor by noncrystalline or FINEMET etc. consists of iron core, be wound in winding-type and be shaped by thin film conductor being twined multi-turn, the iron core after the shaping becomes the iron core of stacked in a circumferential direction hollow form.Therefore, the iron core that uses in reactor or the transformer is made into the structure of the iron core that has made up a plurality of hollow forms.
Put down in writing an example of the static electromagnetic equipments such as the reactor that uses the iron core of stacked hollow form in a circumferential direction or transformer in the patent documentation 1.
The look-ahead technique document
Patent documentation
Patent documentation 1: TOHKEMY 2010-87536 communique
(inventing problem to be solved)
The in a circumferential direction iron core of stacked hollow form in the past shown in the expression patent documentation 1 in Figure 12.Figure 12 a has represented 2 leg iron cores, and 2 shank 1L of 1 stacked iron core 1 go up coiling coil (not shown) and consist of single-phase static electromagnetic equipment in a circumferential direction.In addition, as required, the part at laminated iron core arranges adjustment part, gap 7 sometimes.Figure 12 b is the example when having made 3 leg iron core, and the shank 1L of 2 stacked iron cores 1 disposes adjacent to each other and consists of 3 groups of shanks in a circumferential direction, reels respectively 3 groups of coils (not shown) and consist of the static electromagnetic equipment of 3 phases on 3 groups of shanks.
As a result, when making has the iron core of 3 above leg numbers, a plurality of 2 leg iron cores are made up, shape is restricted.For example, the static electromagnetic equipment transverse width of the figure of Figure 12 b is large, depth is narrow, therefore taking in property existing problems when taking in as device.
Summary of the invention
The present invention proposes in order to improve above-mentioned shortcoming, and its purpose is to improve the degree of freedom of core structure.
(being used for solving the means of problem)
To achieve these goals, static electromagnetic equipment of the present invention possesses: a plurality of hollow form iron cores that form hollow form; And between described a plurality of hollow form iron cores, a plurality of bar-shaped iron core that arranges according to the opposed mode of hollow face that makes described a plurality of hollow form iron cores; Be wound with coil on the part of iron core.
In addition, preferred iron core is by carrying out stacked formation to thin film conductor.
In addition, preferably has the gap adjustment member in the part of iron core.
In addition, preferably at a plurality of bar-shaped iron cores coil of reeling.
In addition, preferably at the hollow form iron core coil of reeling.
In addition, the bar-shaped iron core that preferably arranges according to the opposed mode of hollow face that makes a plurality of hollow form iron cores between a plurality of hollow form iron cores is connected in series a plurality of bar-shaped iron cores and consists of.
And then, preferably possessing cooler with the concentric axle of hollow form iron core.
(invention effect)
According to the present invention, can use the volume iron core of being made by thin film conductor, go out the iron core of any leg number with the structure fabrication of taking in property excellence.
Description of drawings
Fig. 1 is the stereogram of expression the 1st embodiment of the present invention.
Fig. 2 is the stereogram of expression the 2nd embodiment of the present invention.
Fig. 3 is the stereogram of expression the 3rd embodiment of the present invention.
Fig. 4 is the stereogram of expression the 4th embodiment of the present invention.
Fig. 5 is the stereogram of expression the 5th embodiment of the present invention.
Fig. 6 a is the stereogram of expression the 6th embodiment of the present invention.
Fig. 6 b is the cutaway view of expression the 6th embodiment of the present invention.
Fig. 7 is the cutaway view of expression the 7th embodiment of the present invention.
Fig. 8 a is the stereogram of expression the 8th embodiment of the present invention.
Fig. 8 b is the cutaway view of expression the 8th embodiment of the present invention.
Fig. 9 is the cutaway view of expression the 9th embodiment of the present invention.
Figure 10 is the cutaway view of expression the 10th embodiment of the present invention.
Figure 11 is the figure of the example of expression hollow form iron core.
Figure 12 a is the figure that represents the example of 2 leg iron cores in the past.
Figure 12 b is the figure that represents the example of 3 leg iron cores in the past.
Embodiment
Below, utilize accompanying drawing that embodiments of the invention are elaborated.
Embodiment
Fig. 1 represents the 1st embodiment of the present invention.1 is that middle body is the hollow form volume iron core of hollow form among the figure, the 2nd, bar-shaped volume iron core the figure shows for example 4 bar-shaped iron cores 2 and consisted of the example of 4 leg iron cores of between volume iron core 1a, the 1b of opposed 2 hollow forms of hollow face of hollow form volume iron core configuration.Hollow form iron core 1a, 1b and bar-shaped iron core 2 form by laminate film conductor on radial direction respectively.When this iron core is used as transformer or reactor, on 4 bar-shaped volume iron cores 2 with concentric circles coiling coil.
In addition, in the static electromagnetic equipment of the iron core that possesses such shape, when magnetic resistance is adjusted into arbitrary value, the connecting portion of hollow form iron core 1a, 1b and bar-shaped iron core 2 can be utilized as adjustment part, gap 3.For example, can be fully bonding at 3 places, adjustment part, gap, perhaps carry out bondingly across insulant, also can vacate the space gap is set.
Fig. 2 represents the 2nd embodiment of the present invention.The part identical with the 1st embodiment used same tag.At this, different from the embodiment of Fig. 1, expression is with overlapping two sections and consisted of the structure of 2 leg iron cores of bar-shaped iron core 2.In this situation, because there is gap-regulating portion 4 in bar-shaped iron core 2 overlapping positions, therefore can suitably implements fully bonding or carry out bonding and then vacate the countermeasure such as space across insulant this part, come the gap is adjusted.According to the embodiment of Fig. 2, by bar-shaped iron core 2 is overlapping at least more than 2, the position that the gap is set can be made arbitrarily.
Fig. 3 represents the 3rd embodiment of the present invention.The part identical with the 1st, 2 embodiment used same tag.In the embodiments of figure 3, adopted for example 2 leg core structures, but wherein 1 leg is by consisting of with three bar-shaped iron core 2b are overlapping, 1 leg uses 1 bar-shaped iron core 2a in addition, has consisted of thus iron core.In addition, in bar-shaped iron core 2a, can be consisted of by 1 bar-shaped iron core, and can cut apart equally with other legs.There is gap-regulating portion 4 in position at overlapping bar-shaped iron core 2b, can be by fully bonding or across insulant or vacate the space and regulate the gap.
By such utilization with the overlapping at least iron core that forms more than 2 of bar-shaped iron core and more than 1 bar-shaped iron core consist of leg, the position that the gap is set can be made arbitrarily.In addition, can be made as any gap and refer to, when utilizing this iron core to consist of the static electromagnetic equipment such as reactor or transformer, can obtain arbitrarily B-H characteristic curve.
Fig. 4 represents the 4th embodiment of the present invention.The part identical with the 1st～3 embodiment used same tag.In the present embodiment, append 1 hollow form iron core 1c with respect to Fig. 2, become three-stage structure.In the present embodiment, expression is used 3 hollow form iron cores 1,4 bar-shaped iron cores 2 and has been consisted of the structure of 2 leg iron cores.Between hollow form iron core 1c and bar-shaped iron core up and down, also there is gap-regulating portion 3.Also can be by fully bonding or across insulant or vacate the space and regulate the gap at this position.By adopting such structure, can make arbitrarily by the position that the gap will be set with embodiment 2,3 diverse ways.
Fig. 5 represents the 5th embodiment of the present invention.The part identical with the 1st～4 embodiment used same tag.In the present embodiment, consisted of 2 leg iron cores with 2 hollow form iron cores, 2 bar-shaped iron cores 2, basically adopted the mode identical with Fig. 1, difference is to be provided with cutting part at hollow form iron core 1a, 1b to be used as gap-regulating portion 5.
Fig. 6 represents the 6th embodiment of the present invention.Wherein, Fig. 6 a is the figure of the three-dimensional composition of the static electromagnetic equipment of expression, and Fig. 6 b is the figure of the A-A section of presentation graphs 6a, and the part identical with the 1st～5 embodiment used same tag.In the present embodiment, 2 hollow form iron cores, 4 bar-shaped iron cores have been represented to use, the structure when in the iron core of Fig. 1 of 4 legs, each leg having been reeled coil 8.In this structure, when using present embodiment as single-phase transformer, with in the coil be made as primary winding more than 1, all the other are made as secondary coil and get final product.
In addition, represented the example of 1 coil of reeling on per 1 leg in the present embodiment, but can guarantee to reel organizing coils at 1 leg in the situation about insulating more.Fig. 7 represents the 7th embodiment of the present invention.The part identical with the 1st～6 embodiment used same tag.In the present embodiment, expression is used 2 hollow form iron cores, 3 bar-shaped iron cores and has been consisted of the vertical view of the structure of 3 leg iron cores, 2 coils of having reeled on each leg.When using present embodiment as three-phase transformer, each coil groups is used mutually as U phase, V phase, W.In addition, by in each coil groups (for example: coil 9a and 9b), primary winding, secondary coil being set, also can be used as single-phase transformer and use.Wherein, when using as single-phase transformer, structure but be made as 1 coil on each leg similarly to Example 7.
Fig. 8 represents the 8th embodiment of the present invention.Wherein, Fig. 8 a is the figure of the stereochemical structure of the static electromagnetic equipment of expression, and Fig. 8 b is the figure on the plane of presentation graphs 8a, and the part identical with the 1st～7 embodiment used same tag.In the present embodiment, at the coaxial cooler 10 that disposed of hollow form iron core 1.By this cooler 10, can cool off coil and iron core.In addition, present embodiment represented nearby the structure of 1 cooler configuration at bar-shaped iron core 1a, but also can be with a plurality of cooler configuration to nearby or between 2 bar-shaped iron cores of bar-shaped iron core 1b.
Fig. 9 represents the 9th embodiment of the present invention.The part identical with the 1st～8 embodiment used same tag.In the present embodiment, expression is used 2 hollow form iron cores, 2 bar-shaped iron cores and has been consisted of the vertical view of the structure of 2 leg iron cores, is illustrated in the structure of reeled on the hollow form iron core 12 coil 11a, 11b.In addition, also can make up with the structure of reeled at the bar-shaped iron core 2 shown in above-described embodiment coil 8a, 8b.
Figure 10 represents the 10th embodiment of the present invention.The part identical with the 1st～9 embodiment used same tag.At this, represented the accommodation method of the static electromagnetic equipment that illustrated among Fig. 1 to Fig. 9.Namely, at this, to erect many bar- shaped iron core 2a, 2b having twined coil 8a, 8b and overlapping another hollow form iron core 1a and the static electromagnetic equipment that consists of is put into housing 12 at an upper portion thereof at hollow form iron core 1b, utilize set bolt 14 and fixing and be received on the pedestal 13 with housing.Like this, carry out clamping by housing 12 with 13 pairs of iron cores of pedestal of having equipped iron core and fix iron core.
In above embodiment, all used the hollow core 1 of round shape, but also can be as shown in figure 11 quadrangle or triangle.The magnetic that use this moment can be the thin film conductor of noncrystalline or FINEMET etc. not only, the structure of the silicon steel plate that can be stacked also or use compressed-core.In addition, by with the circuit component parts of iron core of the present invention as power converter etc., can help miniaturization.
(utilizability on the industry)
According to the present invention, can realize the static electromagnetic equipment of taking in property excellence, therefore can be applied in the static electromagnetic equipment of wide spectrum.
Symbol description
1: the volume iron core of hollow form
2: bar-shaped volume iron core
3,4,5: the adjustment part, gap
8,9: coil
10: cooler
12: housing 12
13: pedestal 13
14: set bolt
Claims (7)
1. static electromagnetic equipment is characterized in that possessing:
Form a plurality of hollow form iron cores of hollow form; With
Between described a plurality of hollow form iron cores, a plurality of bar-shaped iron core that arranges according to the opposed mode of hollow face that makes described a plurality of hollow form iron cores,
Consist of described static electromagnetic equipment by coiling coil on the part of iron core.
2. static electromagnetic equipment according to claim 1 is characterized in that,
Iron core is by carrying out stacked formation to thin film conductor.
3. static electromagnetic equipment according to claim 1 is characterized in that,
Part at iron core has the gap adjustment member.
4. static electromagnetic equipment according to claim 1 is characterized in that,
At a plurality of bar-shaped iron cores coil of reeling.
5. static electromagnetic equipment according to claim 1 is characterized in that,
At the hollow form iron core coil of reeling.
6. static electromagnetic equipment according to claim 1 is characterized in that,
The bar-shaped iron core that arranges according to the opposed mode of hollow face that makes described a plurality of hollow form iron cores between described a plurality of hollow form iron cores is connected in series a plurality of bar-shaped iron cores and consists of.
7. static electromagnetic equipment according to claim 1 is characterized in that,
Possessing cooler with the concentric axle of hollow form iron core.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2010/004008 WO2011158290A1 (en) | 2010-06-16 | 2010-06-16 | Static electromagnetic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102939633A true CN102939633A (en) | 2013-02-20 |
Family
ID=45347723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010800673849A Pending CN102939633A (en) | 2010-06-16 | 2010-06-16 | Static electromagnetic apparatus |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2584572A1 (en) |
| JP (1) | JPWO2011158290A1 (en) |
| CN (1) | CN102939633A (en) |
| WO (1) | WO2011158290A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103890874A (en) * | 2011-10-31 | 2014-06-25 | 株式会社日立制作所 | Reactor, transformer, and power conversion apparatus using same |
| CN104733169B (en) * | 2013-12-19 | 2017-07-18 | 胜美达集团株式会社 | Coil component, the manufacture method of coil component, coil component combination |
| CN107705969A (en) * | 2016-08-08 | 2018-02-16 | 杭州中恒电气股份有限公司 | A kind of new inductance core |
| CN107705957A (en) * | 2016-08-08 | 2018-02-16 | 杭州中恒电气股份有限公司 | New integrated inductor |
| CN109215959A (en) * | 2017-07-04 | 2019-01-15 | 发那科株式会社 | The manufacturing method of reactor and core main body |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5933012B2 (en) * | 2012-08-28 | 2016-06-08 | 株式会社日立製作所 | Power converter |
| IL225693A0 (en) * | 2013-04-11 | 2013-09-30 | Eliezer Adar | Three phase choke and methods of their manufacturing |
| JP2019021673A (en) | 2017-07-12 | 2019-02-07 | ファナック株式会社 | Three-phase reactor |
| JP6674062B2 (en) * | 2019-05-22 | 2020-04-01 | ファナック株式会社 | Three-phase reactor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54137726U (en) * | 1978-03-13 | 1979-09-25 | ||
| JPS5860912U (en) * | 1981-10-19 | 1983-04-25 | 松下電工株式会社 | Core of electromagnetic device |
| JPH04345009A (en) * | 1991-05-22 | 1992-12-01 | Daihen Corp | Reactor iron core with cavity and manufacture thereof |
| CN2870104Y (en) * | 2006-02-14 | 2007-02-14 | 苏州安泰变压器有限公司 | Novel wound core three-phase transformer |
| CN201421770Y (en) * | 2009-06-08 | 2010-03-10 | 吴茂安 | Open triangle transformer iron core |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0452976Y2 (en) * | 1986-11-04 | 1992-12-14 | ||
| JPH02129716U (en) * | 1988-04-20 | 1990-10-25 | ||
| JPH099499A (en) * | 1995-06-19 | 1997-01-10 | Hitachi Ltd | Current limiter |
| CN1897175B (en) | 2005-07-08 | 2012-07-18 | 株式会社日立产机系统 | Iron core for stationary apparatus and stationary apparatus |
-
2010
- 2010-06-16 WO PCT/JP2010/004008 patent/WO2011158290A1/en active Application Filing
- 2010-06-16 JP JP2012520160A patent/JPWO2011158290A1/en active Pending
- 2010-06-16 EP EP10853176.5A patent/EP2584572A1/en not_active Withdrawn
- 2010-06-16 CN CN2010800673849A patent/CN102939633A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54137726U (en) * | 1978-03-13 | 1979-09-25 | ||
| JPS5860912U (en) * | 1981-10-19 | 1983-04-25 | 松下電工株式会社 | Core of electromagnetic device |
| JPH04345009A (en) * | 1991-05-22 | 1992-12-01 | Daihen Corp | Reactor iron core with cavity and manufacture thereof |
| CN2870104Y (en) * | 2006-02-14 | 2007-02-14 | 苏州安泰变压器有限公司 | Novel wound core three-phase transformer |
| CN201421770Y (en) * | 2009-06-08 | 2010-03-10 | 吴茂安 | Open triangle transformer iron core |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103890874A (en) * | 2011-10-31 | 2014-06-25 | 株式会社日立制作所 | Reactor, transformer, and power conversion apparatus using same |
| CN104733169B (en) * | 2013-12-19 | 2017-07-18 | 胜美达集团株式会社 | Coil component, the manufacture method of coil component, coil component combination |
| CN107705969A (en) * | 2016-08-08 | 2018-02-16 | 杭州中恒电气股份有限公司 | A kind of new inductance core |
| CN107705957A (en) * | 2016-08-08 | 2018-02-16 | 杭州中恒电气股份有限公司 | New integrated inductor |
| CN109215959A (en) * | 2017-07-04 | 2019-01-15 | 发那科株式会社 | The manufacturing method of reactor and core main body |
| CN109215959B (en) * | 2017-07-04 | 2020-01-24 | 发那科株式会社 | Reactor and method for manufacturing core body |
| US10699838B2 (en) | 2017-07-04 | 2020-06-30 | Fanuc Corporation | Reactor and method for production of core body |
| US10937587B2 (en) | 2017-07-04 | 2021-03-02 | Fanuc Corporation | Reactor and method for production of core body |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011158290A1 (en) | 2011-12-22 |
| JPWO2011158290A1 (en) | 2013-08-15 |
| EP2584572A1 (en) | 2013-04-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130220 |