CN202473528U - Three-dimensional wound iron core electric reactor - Google Patents
Three-dimensional wound iron core electric reactor Download PDFInfo
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- CN202473528U CN202473528U CN 201120549329 CN201120549329U CN202473528U CN 202473528 U CN202473528 U CN 202473528U CN 201120549329 CN201120549329 CN 201120549329 CN 201120549329 U CN201120549329 U CN 201120549329U CN 202473528 U CN202473528 U CN 202473528U
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Abstract
The utility model discloses a three-dimensional wound iron core electric reactor. The three-dimensional wound core electric reactor comprises a wound iron core, electric reactor windings which are sleeved on a wound iron core column and a fastening part, wherein an iron core of the electric reactor is a triangular three-phase three-dimensional wound iron core which is formed by three same wound iron core frames; the wound iron core of the electric reactor is formed by rolling a silicon-steel sheet or an amorphous alloy or rolling the silicon-steel sheet and the amorphous alloy in a mixed mode; and the cross section of the iron core column of the wound iron core is a polygon of which the edge quantity is more than 4. By the electric reactor, the problem of high using amount of copper and iron due to low filling coefficients of the iron core column of the wound iron core of the conventional electric reactor, the technical problems of low mechanical strength and insulativity of the iron core column and the problem of high noise of the conventional electric reactor are solved. The three-dimensional wound iron core electric reactor has the advantages that three-phase inductance is balanced and the temperatures of the windings are raised uniformly; iron loss and the noise of a product are reduced, and the using amount of the copper and the iron is saved; and the three-dimensional wound iron core electric reactor can be applied to medium voltage power grids, low voltage power grids and variable-frequency rectification systems.
Description
Technical field
The utility model relates to a kind of reactor, particularly relates to a kind of three dimensional wound core reactor.
Background technology
Present domestic reactor core construction basically has following several kinds: 1, core limb laminated core structure; 2, core limb radiation shape structure; 3, core limb involute structure.The problem that existing core construction exists: 1, activity coefficient unshakable in one's determination is low, causes copper iron consumption many; 2, the reactor noise is high; 3, core loss is high; 4, the inhomogeneous and unsuitable balance of three-phase reactance value of 3 coil temperature rises of non-triangle iron-core reactor.
CN201655490U China utility model patent discloses a kind of volume iron-core reactor, and it comprises iron core and is wound on the coil of going up unshakable in one's determination, it is characterized in that said iron core is unshakable in one's determination for volume, and this volume cross section unshakable in one's determination is rectangle or circle simultaneously.Adopt the volume core construction, the magnetic circuit in the core limb becomes as a whole, and the no-load performance level increases.But because of iron core is to adopt the silicon steel sheet coiling to form, it is impossible therefore processing circle, and the iron core in the cross section of rectangle causes copper iron consumption many because its activity coefficient is low; Because the volume iron core constitutes to make things convenient for the installation of coil for unshakable in one's determination up and down, particularly for the core construction that has cake unshakable in one's determination, the mechanical strength of its core limb and insulation property are all unreliable simultaneously.
Summary of the invention
The activity coefficient that the purpose of the utility model is to solve the volume of existing reactor core limb unshakable in one's determination is low, and then causes the many problems of copper iron consumption.
Another purpose of the utility model is to solve the mechanical strength and the bad technical problem and the high problem of noise of insulating properties of the volume of existing reactor core limb unshakable in one's determination.
For realizing primary and foremost purpose, the technical scheme of the utility model is: a kind of three dimensional wound core reactor, and it comprises that volume is unshakable in one's determination, is set in reactor winding and secure component on the said volume core limb; It is characterized in that: said iron core of electric reactor is the leg-of-mutton three-phase stereo volume iron core that three identical volume iron core frames are formed; And the volume iron core of said reactor is to be mixed to roll by silicon steel sheet or non-crystaline amorphous metal or silicon steel sheet and non-crystaline amorphous metal to form, and the cross section of the core limb that said volume is unshakable in one's determination is the polygon greater than four limits.
As preferably, said every iron core mutually is divided into two sections at least: U-shaped has the upper yoke of part stem and the lower yoke that U-shaped has the part stem, and the faying face when upper yoke and lower yoke butt joint make the magnetic circuit closed loop is on shell of column unshakable in one's determination; Be plugged with cake unshakable in one's determination and magnetic air gap in said core limb faying face position.
The three dimensional wound core reactor of the utility model; Select as another kind; About can said every iron core mutually being divided at least two sections: C shape has left and right sides two parts that stem and part go up lower yoke, and two-part upper yoke in the left and right sides and lower yoke dock faying face when making the magnetic circuit closed loop respectively on iron yoke section.When iron core was divided into left and right sides two parts of C shape, as preferably, left and right sides two parts cutting of said every C shape mutually unshakable in one's determination was divided into two parts at least up and down, and is plugged with cake unshakable in one's determination and magnetic air gap in said faying face position.
The described three dimensional wound core reactor of the utility model; Wherein, Said cake unshakable in one's determination is that cutting forms cake unshakable in one's determination in rolling up core limb body unshakable in one's determination, or said cake unshakable in one's determination is and said the volume identical or approximate polygonal cake unshakable in one's determination that is formed by the silicon steel sheet stack of core limb cross sectional shape unshakable in one's determination.
Mechanical strength and bad technical problem and the high problem of noise of insulating properties for the volume that solves existing reactor core limb unshakable in one's determination; As preferably, outside the said core limb that includes cake unshakable in one's determination and magnetic air gap, has cured layer through dipping lacquer solidifies or epoxy casting forms.Through outside the unshakable in one's determination core limb of volume, forming cured layer, thereby mechanical strength unshakable in one's determination and insulation effect have been improved.
As preferably, the faying face when said U-shaped has the upper yoke of stem and lower yoke butt joint that U-shaped has stem and makes the magnetic circuit closed loop is the plane section that forms through machining.
As preferably, the faying face that the two-part upper yoke in the C shape left and right sides of said iron core and lower yoke dock respectively when making the magnetic circuit closed loop is the plane section that forms through machining.
The described reactor of the utility model, wherein, said reactor winding be wire-wound or for paper tinsel around.
Described three dimensional wound core reactor, wherein, said secure component comprises: the upper and lower unshakable in one's determination at the volume of said reactor is respectively equipped with upper clamping piece and the lower clamping piece that is used to clamp said reactor winding, and through the stretching screw tension; Be respectively equipped with upper holder block and lower cushion block between the upper and lower end of said reactor winding and the upper and lower folder, said lower clamping piece is fixed on the base, is provided with the pressure beam above the said upper clamping piece; Said upper and lower folder is polygon.
Described three dimensional wound core reactor; As preferably; Described pressure beam comprises the short beam that is star arrangement that three centers are connected as a single entity; The center that is connected as a single entity of said three short beams is connected fixing with said base through center bolt, the other end of said three short beams is connected fixing respectively with three limits of upper clamping piece.The pressure beam of employing star arrangement can make three-phase unshakable in one's determination stressed evenly reasonable, is beneficial to compress.
The utility model has overcome the shortcoming of existing laminated core structure, core limb radiation shape structure, involute core rod structure owing to adopted the volume core construction, and it has solved the unbalanced problem of plain edition reactor three pole reactor; Three uneven problems of winding temperature rise of reactor have been solved; Can effectively reduce iron loss, reduce the product noise, practice thrift copper iron consumption, in can be applicable to, low voltage electric network and frequency conversion rectifier system.Particularly the cross section of the core limb of the volume of the utility model iron core is the polygon greater than 4, makes it more to approach circle, thereby can improve activity coefficient unshakable in one's determination, and then reduces copper iron consumption, reduces production costs.
The volume iron core of the utility model is a three dimensional wound core, and promptly said iron core of electric reactor is the leg-of-mutton three-phase stereo volume core construction that three identical volume iron core frames are formed; Each cross section profile of rolling up stem unshakable in one's determination be approach circle greater than 4 polygon.The advantage of such structure is: 1) the core section utilance is high; 2) because of coil winding becomes cylindrical, it is consistent to make internal coil diameter arrive distance unshakable in one's determination, guarantees the electric insulation required distance; 3) be convenient to core limb and carry out epoxy casting.
The said three dimensional wound core reactor of the utility model further is divided into two sections with said every iron core of rolling up mutually at least for the installation of reactor winding, upper yoke and lower yoke and cake unshakable in one's determination, and be provided with magnetic air gap to each other.Also can every iron core of rolling up mutually be divided into C shape left and right sides two parts, and cut at the stack of lamination of core limb, set up the cake unshakable in one's determination that forms by cutting in the volume stem body unshakable in one's determination or set up cake unshakable in one's determination and the magnetic air gap that adopts the silicon steel sheet stack to form.Therefore carry out epoxy casting or dipping lacquer solidify to form said cured layer at the said core limb that includes cake unshakable in one's determination and magnetic air gap, more meaningful for the core limb raising mechanical strength of this reactor.
Description of drawings
Fig. 1 is the structural representation of the said three dimensional wound core reactor of the utility model.
Fig. 2 is the volume structural representation unshakable in one's determination of the said three dimensional wound core reactor of the utility model.
Fig. 2 A is the A-A place sectional view of Fig. 2.
Fig. 3 is the cut-away view of the said three dimensional wound core reactor of the utility model.
Embodiment
Referring to Fig. 1-3, what show among the figure is the three dimensional wound core reactor of the utility model, and it comprises volume iron core 3, is set in reactor winding 6 and secure component on the volume core limb.
As can be seen from Figure 2, the volume of the reactor of present embodiment unshakable in one's determination 3 be a three dimensional wound core, and the three-phase stereo of the triangle of being made up of three identical volume iron core frames 30 is rolled up iron core 3; The characteristics of the utility model are: the cross section profile of each volume iron core frame 30 is the polygon of approximate half-circular, the core limb that the shell of column splicing of adjacent volume iron core frame 30 makes the polygon of two approximate half-circular be combined into 10 limit shapes of sub-circular.
As shown in Figure 3; Said every volume mutually unshakable in one's determination 3 is divided into two sections at least; Be divided into four sections in the present embodiment: U-shaped has the upper yoke 31 of part stem and the lower yoke 32 that U-shaped has the part stem and two cakes 33 unshakable in one's determination between the faying face of upper yoke 31 and lower yoke 32, planting; Cake unshakable in one's determination 33 in the present embodiment is that cutting forms cake unshakable in one's determination in the core limb body of rolling up iron core 3; And three magnetic air gaps 34 are arranged between lower yoke 32, upper yoke 31, cake unshakable in one's determination 33, and the faying face when butt joint makes the magnetic circuit closed loop between lower yoke 32 and upper yoke 31 and the cake unshakable in one's determination 33 is on shell of column unshakable in one's determination; Wherein, to have the faying face when butt joint makes the magnetic circuit closed loop between the lower yoke 32 that the upper yoke 31 of part stem, middle cake unshakable in one's determination 33 and U-shaped have the part stem be the plane section that forms through machining to U-shaped.The said core limb that includes cake 33 unshakable in one's determination and magnetic air gap 34 carries out epoxy casting or dipping lacquer solidifies; Thereby outside the shell of column unshakable in one's determination of said cake unshakable in one's determination 33, magnetic air gap 34 and upper yoke 31 and lower yoke 32, form cured layer 35 (referring to Fig. 3), reach the effect that improves core limb mechanical performance and insulating properties.Certainly, the cake unshakable in one's determination 33 in the present embodiment obviously can also adopt the polygonal cake unshakable in one's determination that is formed by the silicon steel sheet stack that coincide with the core limb profile of said volume unshakable in one's determination 3.
In the present embodiment, said reactor winding is a wire-wound, obviously can also for paper tinsel around.
The secure component of the utility model three dimensional wound core reactor comprises: be located at the base 9 of below, on base 9, be fixed with lower clamping piece 8, be provided with upper clamping piece 1 relatively with lower clamping piece 8 up, said upper and lower folder 1,8 is polygon; Volume unshakable in one's determination 3 is located at upper and lower folder 1, it is positioned at frame between 8; The core limb of volume unshakable in one's determination 3 is provided with reactor winding 6; At the upper and lower end and the upper and lower folder 1 of reactor winding 6, be respectively equipped with upper holder block 4 and lower cushion block 7 between 8; Upper and lower folder 1,8 is strained through stretching screw 5, and through upper holder block 4 and lower cushion block 7 reactor winding 6 is clamped.On upper clamping piece 1, be provided with and press beam 2; Press beam 2 to comprise the short beam that is star arrangement 21,22,23 that three three centers are connected as a single entity; The position that the center of said three short beams 21,22,23 is connected as a single entity is fixing to extending below with base 9 through center bolt 10; The other end of short beam 21,22,23 is connected fixing respectively with three limits of upper clamping piece 1, thereby makes three short beams 21,22,23 compress three-phase unshakable in one's determination 3 respectively through the center bolt 10 of screwing.The utility model adopts the pressure beam of star arrangement, makes to press beam 2 to be positioned at every centre position unshakable in one's determination mutually, and is stressed even, is beneficial to compress.
What should explain is; The three dimensional wound core reactor of the utility model; For reactor winding is installed; Also can unshakable in one's determinationly mutually vertically separate about being divided into two sections with every from the centre: C shape has left and right sides two parts that stem and part go up lower yoke, and two-part upper yoke in the left and right sides and lower yoke dock faying face when making the magnetic circuit closed loop respectively on iron yoke section.Two-part upper yoke in the C shape left and right sides unshakable in one's determination and lower yoke dock the plane section that the faying face when making the magnetic circuit closed loop preferably forms through machining respectively.The employing plane cuts off, and being beneficial to provides working (machining) efficiency.And said core limb advances cutting and is divided into two parts at least up and down, so that plant cake unshakable in one's determination and magnetic air gap in the faying face position of core limb.
The three dimensional wound core reactor of the utility model can be made into insulation thermal endurance class A level (oil immersed type), B (dry type), F level (dry type), H level (dry type) or other thermal endurance class products.
Above embodiment carries out exemplary illustration to the utility model; But not do restrictive summary; The utility model aims to provide a kind of three dimensional wound core reactor, cross section of core limb of this volume iron-core reactor be near circular greater than 4 polygon, thereby improve the activity coefficient of iron core; Reduce copper iron consumption, reduce production costs.Those of ordinary skills are under the guidance of the inventive concept of the utility model; Can also make modification and replacement on a lot of conventional structures, for example: change the limit number of core limb section polygon, increase the quantity of cake unshakable in one's determination; The cake unshakable in one's determination that selection is formed by the silicon steel sheet stack; Increase magnetic air gap, perhaps every unshakable in one's determinationly mutually vertically separate, be divided into about C shape two sections from the centre.These are revised with replacement and also should be considered to belong among the protection range of the utility model.
Claims (16)
1. three dimensional wound core reactor, it comprises that volume is unshakable in one's determination, is set in reactor winding and secure component on the said volume core limb; It is characterized in that: said iron core of electric reactor is the leg-of-mutton three-phase stereo volume iron core that three identical volume iron core frames are formed; And the volume iron core of said reactor is to be mixed to roll by silicon steel sheet or non-crystaline amorphous metal or silicon steel sheet and non-crystaline amorphous metal to form, and the cross section of the core limb that said volume is unshakable in one's determination is the polygon greater than four limits.
2. three dimensional wound core reactor according to claim 1; It is characterized in that: said every iron core mutually is divided into two sections at least: U-shaped has the upper yoke of part stem and the lower yoke that U-shaped has the part stem, and the faying face when upper yoke and lower yoke butt joint make the magnetic circuit closed loop is on shell of column unshakable in one's determination; Be plugged with cake unshakable in one's determination and magnetic air gap in said core limb faying face position.
3. three dimensional wound core reactor according to claim 1; It is characterized in that: about said every iron core mutually is divided at least two sections: C shape has left and right sides two parts that stem and part go up lower yoke, and two-part upper yoke in the left and right sides and lower yoke dock faying face when making the magnetic circuit closed loop respectively on iron yoke section.
4. three dimensional wound core reactor according to claim 3 is characterized in that: left and right sides two parts cutting of said every C shape mutually unshakable in one's determination is divided into two parts at least up and down, and is plugged with cake unshakable in one's determination and magnetic air gap in said faying face position.
5. according to claim 2 or 4 described three dimensional wound core reactors; It is characterized in that: said cake unshakable in one's determination is that cutting forms cake unshakable in one's determination in rolling up core limb body unshakable in one's determination, or said cake unshakable in one's determination is and said the volume identical or approximate polygonal cake unshakable in one's determination that is formed by the silicon steel sheet stack of core limb cross sectional shape unshakable in one's determination.
6. according to claim 1-4 each described three dimensional wound core reactor wherein, it is characterized in that: outside the said core limb that includes cake unshakable in one's determination and magnetic air gap, have cured layer through dipping lacquer solidifies or epoxy casting forms.
7. three dimensional wound core reactor according to claim 5 is characterized in that: outside the said core limb that includes cake unshakable in one's determination and magnetic air gap, have the cured layer through dipping lacquer solidifies or epoxy casting forms.
8. three dimensional wound core reactor according to claim 2 is characterized in that: the faying face when said U-shaped has the upper yoke of stem and the butt joint of lower yoke that U-shaped has stem and makes the magnetic circuit closed loop is the plane section that forms through machining.
9. three dimensional wound core reactor according to claim 3 is characterized in that: the faying face that the two-part upper yoke in the C shape left and right sides of said iron core and lower yoke dock respectively when making the magnetic circuit closed loop is the plane section that forms through machining.
10. according to claim 1-4,7-9 each described three dimensional wound core reactor wherein, it is characterized in that: said reactor winding be wire-wound or for paper tinsel around.
11. three dimensional wound core reactor according to claim 5 is characterized in that: said reactor winding be wire-wound or for paper tinsel around.
12. three dimensional wound core reactor according to claim 6 is characterized in that: said reactor winding be wire-wound or for paper tinsel around.
13. according to claim 1-4,7-9 each described three dimensional wound core reactor wherein; It is characterized in that: said secure component comprises: the upper and lower unshakable in one's determination at the volume of said reactor is respectively equipped with upper clamping piece and the lower clamping piece that is used to clamp said reactor winding, and through the stretching screw tension; Be respectively equipped with upper holder block and lower cushion block between the upper and lower end of said reactor winding and the upper and lower folder, said lower clamping piece is fixed on the base, is provided with the pressure beam above the said upper clamping piece; Said upper and lower folder is polygon.
14. three dimensional wound core reactor according to claim 5; It is characterized in that: said secure component comprises: the upper and lower unshakable in one's determination at the volume of said reactor is respectively equipped with upper clamping piece and the lower clamping piece that is used to clamp said reactor winding, and through the stretching screw tension; Be respectively equipped with upper holder block and lower cushion block between the upper and lower end of said reactor winding and the upper and lower folder, said lower clamping piece is fixed on the base, is provided with the pressure beam above the said upper clamping piece; Said upper and lower folder is polygon.
15. three dimensional wound core reactor according to claim 6; It is characterized in that: said secure component comprises: the upper and lower unshakable in one's determination at the volume of said reactor is respectively equipped with upper clamping piece and the lower clamping piece that is used to clamp said reactor winding, and through the stretching screw tension; Be respectively equipped with upper holder block and lower cushion block between the upper and lower end of said reactor winding and the upper and lower folder, said lower clamping piece is fixed on the base, is provided with the pressure beam above the said upper clamping piece; Said upper and lower folder is polygon.
16. three dimensional wound core reactor according to claim 13; It is characterized in that: described pressure beam comprises the short beam that is star arrangement that three centers are connected as a single entity; The center that is connected as a single entity of said three short beams is connected fixing with said base through center bolt, the other end of said three short beams is connected fixing respectively with three limits of upper clamping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120549329 CN202473528U (en) | 2011-08-26 | 2011-12-24 | Three-dimensional wound iron core electric reactor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201120313890 | 2011-08-26 | ||
| CN201120313890.3 | 2011-08-26 | ||
| CN 201120549329 CN202473528U (en) | 2011-08-26 | 2011-12-24 | Three-dimensional wound iron core electric reactor |
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| CN202473528U true CN202473528U (en) | 2012-10-03 |
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| CN 201120549329 Expired - Lifetime CN202473528U (en) | 2011-08-26 | 2011-12-24 | Three-dimensional wound iron core electric reactor |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969130A (en) * | 2012-11-13 | 2013-03-13 | 新华都特种电气股份有限公司 | Body structure of amorphous alloy stereoscopic wound core type transformer |
| CN103887045A (en) * | 2014-03-19 | 2014-06-25 | 广东海鸿变压器有限公司 | Three-dimensional roll iron core transformer clamp |
| CN104471657A (en) * | 2012-11-08 | 2015-03-25 | 株式会社日立产机系统 | Reactor device |
| CN104993474A (en) * | 2015-06-19 | 2015-10-21 | 中山顺富节能科技有限公司 | Reactance low-voltage electric saver |
| CN104993476A (en) * | 2015-06-19 | 2015-10-21 | 中山顺富节能科技有限公司 | Disc type electricity-saving device |
| CN105869830A (en) * | 2016-05-12 | 2016-08-17 | 青岛云路新能源科技有限公司 | Equivalent-magnetic-circuit full-powder-core high-frequency three-dimensional reactor |
| JP2019216158A (en) * | 2018-06-12 | 2019-12-19 | 東芝産業機器システム株式会社 | Stationary guidance apparatus |
| CN117352273A (en) * | 2023-10-26 | 2024-01-05 | 国网智能电网研究院有限公司 | Iron core unit and magnetic powder core reactor |
| CN118335476A (en) * | 2023-10-16 | 2024-07-12 | 山东泰开变压器有限公司 | Yoke Y-structure iron core reactor and manufacturing method thereof |
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2011
- 2011-12-24 CN CN 201120549329 patent/CN202473528U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104471657A (en) * | 2012-11-08 | 2015-03-25 | 株式会社日立产机系统 | Reactor device |
| CN104471657B (en) * | 2012-11-08 | 2016-10-26 | 株式会社日立产机系统 | Reactor device |
| CN102969130A (en) * | 2012-11-13 | 2013-03-13 | 新华都特种电气股份有限公司 | Body structure of amorphous alloy stereoscopic wound core type transformer |
| CN103887045A (en) * | 2014-03-19 | 2014-06-25 | 广东海鸿变压器有限公司 | Three-dimensional roll iron core transformer clamp |
| CN104993474A (en) * | 2015-06-19 | 2015-10-21 | 中山顺富节能科技有限公司 | Reactance low-voltage electric saver |
| CN104993476A (en) * | 2015-06-19 | 2015-10-21 | 中山顺富节能科技有限公司 | Disc type electricity-saving device |
| CN105869830A (en) * | 2016-05-12 | 2016-08-17 | 青岛云路新能源科技有限公司 | Equivalent-magnetic-circuit full-powder-core high-frequency three-dimensional reactor |
| JP2019216158A (en) * | 2018-06-12 | 2019-12-19 | 東芝産業機器システム株式会社 | Stationary guidance apparatus |
| JP7156828B2 (en) | 2018-06-12 | 2022-10-19 | 東芝産業機器システム株式会社 | Static induction device |
| CN118335476A (en) * | 2023-10-16 | 2024-07-12 | 山东泰开变压器有限公司 | Yoke Y-structure iron core reactor and manufacturing method thereof |
| CN117352273A (en) * | 2023-10-26 | 2024-01-05 | 国网智能电网研究院有限公司 | Iron core unit and magnetic powder core reactor |
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Granted publication date: 20121003 |