CN202601389U - Pancake-type coil dry-type iron core reactor - Google Patents
Pancake-type coil dry-type iron core reactor Download PDFInfo
- Publication number
- CN202601389U CN202601389U CN2012202416126U CN201220241612U CN202601389U CN 202601389 U CN202601389 U CN 202601389U CN 2012202416126 U CN2012202416126 U CN 2012202416126U CN 201220241612 U CN201220241612 U CN 201220241612U CN 202601389 U CN202601389 U CN 202601389U
- Authority
- CN
- China
- Prior art keywords
- coil
- iron core
- cake
- reactor
- core column
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a pancake-type coil dry-type iron core reactor which solves the problem that a foil coil is difficult to wind, complicate in process operation and large in coil loss in the prior art. The pancake-type coil dry-type iron core reactor comprises an iron core column, a coil winding outside the iron core column and a upper iron yoke and a lower iron yoke, the upper iron yoke and the lower iron yoke are respectively arranged at two ends of the iron core column, a cylinder is sleeved outside the iron core column, and the coil is wound outside the cylinder. The coil is divided into a plurality of coil groups, each coil group is wound by a wire to form a multi-layer coil pancake, the coil pancakes are separated through coil cushion blocks, the coil groups are connected in parallel through copper bars, and the coil pancakes is formed by winding wires around the center of the iron core column in spiral mode. The coil is wound into a shape of a pancake, the coil pancakes are separated at intervals, winding is convenient, process is simple, and coil loss is small. One coil is wound into a multi-layer pancake structure, winding hardness is small, and evenness between the pancakes can be guaranteed simultaneously.
Description
Technical field
The utility model relates to a kind of reactor with T-shaped core, and especially a kind of disc coil reactor with T-shaped core forms cake formula structure with the winding around layering; Simplify the technology of processing; Especially the technology of coil winding improves the whole heat dispersion of coil, reduces coil loss.
Background technology
Dry-type iron-core reactor is a kind of important force device; Be widely used in multiple occasions such as reactive power compensation, filtering, current limliting; Mainly power consumption equipment is played protection; Burning voltage improves effects such as power factor, characteristics such as comparing with air core reactor and mainly contain that floor space is little, arrange in the little suitable cabinet of leakage field.In the less occasion of electric current, coil can practical single or multiple conducting wires coiling, and loop construction generally is a layered structure; In the bigger occasion of electric current, can adopt aluminium foil or Copper Foil coiling, but the paper tinsel coiling all exists when actual motion problems such as loss is big, coil winding processing difficulties, technological operation complicacy.For this reason, need find and a kind ofly can reduce coil loss, product that again can long-term work under big electric current is to satisfy electric power system to this type of product demand.
Patent Office of the People's Republic of China has announced a CN201601002U patent on October 6th, 2010; Name is called cake formula electric filtering reactor; Comprise support and coil windings, coil windings is with the loop configuration of plain conductor in same snail coiling, and carries out clamping with support; Loop coil winding stacked on top will be organized together in the hole that vertical bolt passes on the support more, on the shank of bolt between two groups of adjacent coil windings, packing ring and adjusting nut will be set.The same loop coil of support clamping is absolute construction between each loop coil, and therefore the length limited of same group of coil if change the volume that coil winding length will increase reactor, also can influence the heat radiation of coil simultaneously.
Summary of the invention
The utility model has solved paper tinsel coiling coiling difficulty in the prior art, and technological operation is complicated, the defective that coil loss is big; A kind of disc coil reactor with T-shaped core is provided, coil winding is become pie, spaced-apart between cake and the cake; Coiling is convenient, and technology is simple, and the loss of coil is little.
The utility model has also solved laminar coiling in the prior art; Cause many lines and big around hardness, transposition is difficult, coil surface and end face out-of-flatness; Be easy to generate the defective of kelvin effect and vortes interference, a kind of disc coil reactor with T-shaped core is provided, the single line circle is wound in multilayer cake formula structure; Winding hardness is little, can guarantee the evenness between cake simultaneously again.
The utility model has also solved the restriction of winding wire parallel connection coiling radical in the prior art; Thereby limited the defective of the rated current of reactor; A kind of disc coil reactor with T-shaped core is provided, and increase group number just can increase the radical of parallel conducting wire, thereby increases the rated current of reactor.
The utility model solves the technical scheme that its technical problem adopted: a kind of disc coil reactor with T-shaped core; Comprise iron core column, be wrapped in the outer coil of iron core column and be separately positioned on the upper yoke and the lower yoke at iron core column two ends; The iron core column outer cover is equipped with cylinder, and coil is wrapped in outside the cylinder; Coil is divided into a plurality of coil groups, and a coil groups is twined by single line and formed the lattice coil cake, separates through the coil cushion block between the coil cake, is connected in parallel through copper bar between coil groups and the coil groups; The coil cake is to be entwined by line center convolution around iron core column in a plane.Become pie to form the coil cake coil winding, spaced-apart between coil cake and the coil cake with the coil pad, make to form the space between the coil cake, improve the radiating condition of coil; Coil is wound in pie at same snail, and coiling is convenient, and technology is simple, and the loss of coil is little, can improve coil surface and the irregular defective of end face simultaneously; The outer coil of same iron core column is divided into a plurality of coil groups, and each coil groups comprises one or more coil cakes, becomes the parallel connection relation between coil groups and the coil groups, when design, selects the sectional area of lead and the group number of parallel connection according to the size of overcurrent; The disc coil area of dissipation is big, does not have layer insulation and outsourcing, has further improved radiating condition, and therefore, under the situation of equal caloric value, the temperature rise ratio layer coil is much lower; Same group of coil adopts a lead coiling to form, thereby confirms different coil cake numbers according to the length of lead, so can reduce the external diameter of coil, thereby dwindle the overall dimension of reactor; The single line circle is wound in multilayer cake formula structure, and winding hardness is little, eliminates kelvin effect and vortes interference; The cake number of adjusting the coil cake of same coil groups just can be adjusted the coiling length of this coil groups, thus the capacity of expansion reactor.
As preferably, iron core column is that multilayer iron core cake is formed by stacking, and by epoxy plate at interval, cylinder interior is filled with epoxy resin and the iron core cake is solidified into one between iron core cake and the iron core cake.Iron core column is formed by silicon steel plate packing; Separate with epoxy plate between iron core cake and the iron core cake; Make and form air gap between the iron core cake; Be nested with iron core column and solidify with poured with epoxy resin through cylinder, the noise in the time of reducing the reactor operation can also avoid that the inductance value of reactor changes in handling process.
As preferably, cylinder adopts glass fibre reinforced plastic cylinder, and the glass fibre reinforced plastic cylinder periphery is symmetrically arranged with some stays, the parallel axes of stay and glass fibre reinforced plastic cylinder, and stay is fastened to the glass fibre reinforced plastic cylinder outside by hoop; The lateral surface of stay is connected with the inner side edge of packing ring pad.Stay has certain thickness, after lead twines, forms air gap between the lead of inner ring and the glass fibre reinforced plastic cylinder, improves radiating condition, and the coil pad is installed on the stay; If save stay, the coil pad also is directly installed on the cylinder.
As preferably, the cross section of stay is a T shape, and the end face at the vertical position of T shape stay is an arcwall face, and the periphery of this arcwall face and glass fibre reinforced plastic cylinder is fitted; The inner side edge of coil pad is the T-slot that caves in that matches with stay.The arcwall face of stay and the periphery of glass fibre reinforced plastic cylinder are fitted, and can not produce the slit between stay and the glass fibre reinforced plastic cylinder, connect more stable; Adopt T shape mode to peg graft between coil pad and the stay, make the coil pad not move radially, but can be along moving axially, thereby the height of adjustment coil cake is selected suitable winding lead for use.
As preferably, the periphery of glass fibre reinforced plastic cylinder is fastened with the 6-8 bracing bars, and the coil spacer thickness that removes with one deck is identical.Uniformity according to the size of the internal diameter of coil decides stay to distribute if the internal diameter of coil is bigger, then can suitably increase the quantity of stay; The thickness of coil cushion block is generally 3-5mm; The blocked up height that will increase coil of coil cushion block makes the reactor volume become big, and the coil cushion block is too thin; Coil cake and the direct spacing of coil cake are too little, are unfavorable for heat radiation; Fixed stay for ease, stay set inside through hole, through hole penetrates the dual-side of stay, and when stay was uniformly distributed with the glass fibre reinforced plastic cylinder periphery, hoop passed the through hole of all stays successively stay is fixed, and hoop can be divided into multiple tracks.
As preferably, the coil pad is a slab construction, and the axis of coil pad and cylinder is perpendicular, and the plane of coil pad and coil cake is perpendicular; The external diameter that the coil pad of cylindrical outer forms is greater than the maximum outside diameter of coil.The thickness of the coil pad that uses in the same coil can be different, and is different such as the coil spacer thickness between different layers, different such as the coil spacer thickness that different coil blocks use; The coil pad of different-thickness can adopt various structure, and the coil pad bigger such as thickness can adopt the U-shaped structure.
As preferably, it is the double fibre glass-covered wire of F class F insulation that coil twines the line that uses, and the cross section of double fibre glass-covered wire is a rectangle.The double fibre glass-covered wire heatproof has good adherence also than higher with epoxy resin, thereby makes the fastening more solid of coil change; The cross sectional shape of double fibre glass-covered wire can be selected according to actual needs.
As preferably, copper bar is divided into lead-in line row and outlet row; The inlet wire head of coil groups is welded on the lead-in line row, and the terminal of coil groups is welded on the outlet row; Coil groups on the same iron core column forms parallel connection, and the lead-in line row on the different iron core column fuses, and outlet row fuse.Use copper bar, marshalling, the big palpulus of copper bar satisfies the requirement of overcurrent.
As preferably, the both sides of upper yoke are provided with upper clamping piece, and upper clamping piece is flute profile, and the upper clamping piece notch of upper yoke both sides connects fixing through screw between two upper clamping pieces and clamps upper yoke in opposite directions, and screw penetrates upper yoke; The both sides of lower yoke are provided with lower clamping piece, and lower clamping piece is flute profile, and the lower clamping piece notch of lower yoke both sides connects fixing through screw and the clamping lower yoke between two lower clamping pieces in opposite directions, and screw penetrates lower yoke; Be connected fixing between upper clamping piece and the lower clamping piece through pull bar.Pull bar has been stablized the overall structure of reactor, makes it indeformable in the carrying hoisting process.
As preferably, be connected with casting die between two upper clamping pieces, casting die and upper clamping piece are perpendicular, and casting die is connected through screw with two upper clamping pieces; Vertically be connected with two lower margins between two lower clamping pieces, lower margin is flute profile, and the notch of two lower margins in opposite directions.
The beneficial effect of the utility model is: coil winding is become pie, and spaced-apart between coil cake and the coil cake, coiling is convenient, and technology is simple, and the loss of coil is little; The single line circle is wound in multilayer cake formula structure, and winding hardness is little, can guarantee the evenness between cake simultaneously again; The cake number of adjusting same group of coil just can be adjusted the coiling length of this group coil, thus the capacity of expansion reactor.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the end view of the utility model Fig. 1;
Fig. 3 is the structural representation of a kind of iron core column of the utility model;
Fig. 4 is the cross sectional view of the utility model iron core column shown in Figure 2;
Fig. 5 is the scheme of installation of a kind of coil pad of the utility model;
Fig. 6 is the structural representation of a kind of stay of the utility model;
Fig. 7 is the structural representation of a kind of coil pad of the utility model;
Among the figure: 1, coil cake, 2, the coil pad, 3, lead-in line row, 4, stay, 5, glass fibre reinforced plastic cylinder, 6, lower margin; 7, lower clamping piece, 8, outlet row, 9, pull bar, 10, iron core column, 11, hanger; 12, upper clamping piece, 13, casting die, 14, upper yoke, 15, lower yoke, 16, epoxy plate; 17, iron core cake, 18, epoxy resin, 19, silicon steel sheet, 20, arcwall face, 21, T-slot.
Embodiment
Pass through specific embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment: a kind of disc coil reactor with T-shaped core (referring to accompanying drawing 1 accompanying drawing 2); Comprise iron core column 10, be wrapped in the outer coil of iron core column and be separately positioned on the upper yoke 14 and the lower yoke 15 at iron core column two ends; The both sides of upper yoke accompany upper clamping piece 12 through screw, and the lower yoke both sides accompany lower clamping piece 7 through screw.Upper clamping piece and lower clamping piece are flute profile, and notch in opposite directions in the time of fixedly.Be connected with pull bar 9 between upper clamping piece of the same side and the lower clamping piece.The top vertical fixing of upper clamping piece has casting die 13, and casting die is flute profile, notch up, the bottom of flute profile and the upper clamping piece of both sides pass through screw.The below vertical fixing of lower clamping piece has two lower margins 6, and lower margin is flute profile, and notch in opposite directions.The upper clamping piece upper fixed has four hangers 11.
Iron core column is two, and two iron core column, upper yoke and lower yokes form a shaped as frame structure (referring to accompanying drawing 3).Iron core column is that multilayer iron core cake 17 is formed by stacking, between iron core cake and the iron core cake by epoxy plate 16 at interval.The iron core cake has multilayer silicon steel sheet 19 to cascade by (referring to accompanying drawing 4), and the width of the silicon steel sheet of same iron core cake is different, and the enveloping surface after range upon range of is cylindrical.The outer cover of iron core column is equipped with columniform glass fibre reinforced plastic cylinder 5, and the inside of glass fibre reinforced plastic cylinder is filled with epoxy resin 18, and epoxy resin is solidified into one with iron core cake and epoxy plate.
The outside of glass fibre reinforced plastic cylinder is fastened with the stay 4 (referring to accompanying drawing 5 accompanying drawings 6) that 6 roads are uniformly distributed with through hoop, and the interval is 60 ° between stay and the stay, and the axis of stay and glass fibre reinforced plastic cylinder parallels.The cross section of stay is a T shape, and the end face at the vertical position of T shape stay is an arcwall face 20, and the periphery of this arcwall face and glass fibre reinforced plastic cylinder is fitted, and the transverse part of T shape is in the most peripheral position.Be connected with coil pad 2 on the periphery of stay, be furnished with a plurality of coil pads 2 (referring to accompanying drawing 7) on the same stay.The coil pad is 4mm for slab construction thickness, and the axis of coil pad and glass fibre reinforced plastic cylinder is perpendicular, and the position that the coil pad is connected with stay is provided with the T-slot 21 that caves in, and the transverse part of stay snaps onto in the T-slot.
The glass fibre reinforced plastic cylinder periphery is wound with coil, and the lead that coil uses is the double fibre glass-covered wire of F class F insulation, and the cross section of double fibre glass-covered wire is a rectangle.Coil is divided into a plurality of coil groups; A coil groups is twined by single line and is formed two-layer coil cake 1; The coil pad is between the coil cake and with the coil cake and separates, and the position at coil pad place becomes the air gap between the coil cake, and the external diameter that the coil pad forms is greater than the maximum outside diameter of coil.The coil cake is to be entwined by line center convolution around iron core column in a plane, after the intact coil cake of the lead coiling of same coil groups through second the coil cake of coiling once more of the slit between the coil pad.Parallelly connected through copper bar between coil groups and the coil groups, copper bar is divided into lead-in line row 3 and arranges 8 with outlet.Form a terminal and an inlet wire head after the lead coiling cake of same coil groups, terminal is connected on the outlet row jointly, and the inlet wire head connects on the lead-in line row jointly.The shared integrally formed U-shaped structure of lead-in line row that two iron core column are outside, shared integrally formed U-shaped structure is arranged in the outer outlet of two iron core column.
Above-described embodiment is a kind of preferred version of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (10)
1. disc coil reactor with T-shaped core comprises iron core column, is wrapped in the outer coil of iron core column and is separately positioned on the upper yoke and the lower yoke at iron core column two ends that it is characterized in that the iron core column outer cover is equipped with cylinder, coil is wrapped in outside the cylinder; Coil is divided into a plurality of coil groups, and a coil groups is twined by single line and formed the lattice coil cake, separates through the coil cushion block between the coil cake, is connected in parallel through copper bar between coil groups and the coil groups; The coil cake is to be entwined by line center convolution around iron core column in a plane.
2. disc coil reactor with T-shaped core according to claim 1 is characterized in that iron core column is that multilayer iron core cake is formed by stacking, and by epoxy plate at interval, cylinder interior is filled with epoxy resin and the iron core cake is solidified into one between iron core cake and the iron core cake.
3. disc coil reactor with T-shaped core according to claim 1 and 2; It is characterized in that cylinder adopts glass fibre reinforced plastic cylinder; The glass fibre reinforced plastic cylinder periphery is symmetrically arranged with some stays, the parallel axes of stay and glass fibre reinforced plastic cylinder, and stay is fastened to the glass fibre reinforced plastic cylinder outside by hoop; The lateral surface of stay is connected with the inner side edge of packing ring pad.
4. disc coil reactor with T-shaped core according to claim 3, the cross section that it is characterized in that stay is a T shape, and the end face at the vertical position of T shape stay is an arcwall face, and the periphery of this arcwall face and glass fibre reinforced plastic cylinder is fitted; The inner side edge of coil pad is the T-slot that caves in that matches with stay.
5. disc coil reactor with T-shaped core according to claim 4 is characterized in that the periphery of glass fibre reinforced plastic cylinder is fastened with the 6-8 bracing bars, and the coil spacer thickness that removes with one deck is identical.
6. disc coil reactor with T-shaped core according to claim 1 is characterized in that the coil pad is a slab construction, and the axis of coil pad and cylinder is perpendicular, and the plane of coil pad and coil cake is perpendicular; The external diameter that the coil pad of cylindrical outer forms is greater than the maximum outside diameter of coil.
7. disc coil reactor with T-shaped core according to claim 1 is characterized in that coil twines the line the use double fibre glass-covered wire as the F class F insulation, and the cross section of double fibre glass-covered wire is a rectangle.
8. disc coil reactor with T-shaped core according to claim 1 is characterized in that copper bar is divided into lead-in line row and outlet row; The inlet wire head of coil groups is welded on the lead-in line row, and the terminal of coil groups is welded on the outlet row; Coil groups on the same iron core column forms parallel connection, and the lead-in line row on the different iron core column fuses, and outlet row fuse.
9. according to claim 1 or 2 or 6 or 7 or 8 described disc coil reactor with T-shaped core; The both sides that it is characterized in that upper yoke are provided with upper clamping piece; Upper clamping piece is flute profile; The upper clamping piece notch of upper yoke both sides connects fixing through screw and the clamping upper yoke between two upper clamping pieces in opposite directions, and screw penetrates upper yoke; The both sides of lower yoke are provided with lower clamping piece, and lower clamping piece is flute profile, and the lower clamping piece notch of lower yoke both sides connects fixing through screw and the clamping lower yoke between two lower clamping pieces in opposite directions, and screw penetrates lower yoke; Be connected fixing between upper clamping piece and the lower clamping piece through pull bar.
10. disc coil reactor with T-shaped core according to claim 9 is characterized in that being connected with casting die between two upper clamping pieces, and casting die and upper clamping piece are perpendicular, and casting die is connected through screw with two upper clamping pieces; Vertically be connected with two lower margins between two lower clamping pieces, lower margin is flute profile, and the notch of two lower margins in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202416126U CN202601389U (en) | 2012-05-23 | 2012-05-23 | Pancake-type coil dry-type iron core reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202416126U CN202601389U (en) | 2012-05-23 | 2012-05-23 | Pancake-type coil dry-type iron core reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202601389U true CN202601389U (en) | 2012-12-12 |
Family
ID=47318921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202416126U Expired - Fee Related CN202601389U (en) | 2012-05-23 | 2012-05-23 | Pancake-type coil dry-type iron core reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202601389U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227041A (en) * | 2013-04-12 | 2013-07-31 | 苏州腾冉电气设备有限公司 | Air core reactor hung upside down |
| CN103227036A (en) * | 2013-04-12 | 2013-07-31 | 苏州腾冉电气设备有限公司 | Coil out layout structure of air core reactor |
| CN103295719A (en) * | 2013-06-26 | 2013-09-11 | 南京梅山冶金发展有限公司 | Exciting coil of strongly magnetic machine and manufacturing method of exciting coil of strongly magnetic machine |
| CN103474227A (en) * | 2013-08-30 | 2013-12-25 | 无锡晶磊电子有限公司 | Tool structure for three-phase inductance coil combination |
| CN104124036A (en) * | 2014-06-26 | 2014-10-29 | 株洲南车机电科技有限公司 | Magnetic coupling electric reactor |
| CN104979076A (en) * | 2015-06-19 | 2015-10-14 | 中山顺富节能科技有限公司 | High-power reactance power saver |
| CN105118619A (en) * | 2015-08-26 | 2015-12-02 | 明珠电气有限公司 | Phase-shifting coil for non-packaged internal-water-cooled phase-shifting transformer |
| CN105761898A (en) * | 2016-02-22 | 2016-07-13 | 北京电力设备总厂有限公司 | Single-phase iron-core energy taking reactor for staged controllable parallel reactor device |
| CN109273214A (en) * | 2018-10-11 | 2019-01-25 | 佛山市欧立电子有限公司 | A kind of large capacity low-voltage high-current transformer and its coil winding method |
| CN110289152A (en) * | 2019-07-31 | 2019-09-27 | 山东哈大电气有限公司 | A kind of iron-core reactor structure and its processing method |
-
2012
- 2012-05-23 CN CN2012202416126U patent/CN202601389U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103227036A (en) * | 2013-04-12 | 2013-07-31 | 苏州腾冉电气设备有限公司 | Coil out layout structure of air core reactor |
| CN103227041A (en) * | 2013-04-12 | 2013-07-31 | 苏州腾冉电气设备有限公司 | Air core reactor hung upside down |
| CN103295719B (en) * | 2013-06-26 | 2016-06-15 | 南京梅山冶金发展有限公司 | A kind of strong magnetomechanical magnetizing coil and preparation method thereof |
| CN103295719A (en) * | 2013-06-26 | 2013-09-11 | 南京梅山冶金发展有限公司 | Exciting coil of strongly magnetic machine and manufacturing method of exciting coil of strongly magnetic machine |
| CN103474227A (en) * | 2013-08-30 | 2013-12-25 | 无锡晶磊电子有限公司 | Tool structure for three-phase inductance coil combination |
| CN103474227B (en) * | 2013-08-30 | 2015-09-09 | 无锡晶磊电子有限公司 | A kind of tool structure for three-phase inductance coil combination |
| CN104124036A (en) * | 2014-06-26 | 2014-10-29 | 株洲南车机电科技有限公司 | Magnetic coupling electric reactor |
| CN104124036B (en) * | 2014-06-26 | 2016-08-17 | 株洲南车机电科技有限公司 | Magnetic coupling reactor |
| CN104979076A (en) * | 2015-06-19 | 2015-10-14 | 中山顺富节能科技有限公司 | High-power reactance power saver |
| CN105118619A (en) * | 2015-08-26 | 2015-12-02 | 明珠电气有限公司 | Phase-shifting coil for non-packaged internal-water-cooled phase-shifting transformer |
| CN105761898A (en) * | 2016-02-22 | 2016-07-13 | 北京电力设备总厂有限公司 | Single-phase iron-core energy taking reactor for staged controllable parallel reactor device |
| CN109273214A (en) * | 2018-10-11 | 2019-01-25 | 佛山市欧立电子有限公司 | A kind of large capacity low-voltage high-current transformer and its coil winding method |
| CN109273214B (en) * | 2018-10-11 | 2021-01-05 | 佛山市欧立电子有限公司 | Large-capacity low-voltage large-current transformer and coil winding method thereof |
| CN110289152A (en) * | 2019-07-31 | 2019-09-27 | 山东哈大电气有限公司 | A kind of iron-core reactor structure and its processing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202601389U (en) | Pancake-type coil dry-type iron core reactor | |
| CN202422952U (en) | Foil wound dry-type iron core reactor | |
| CN107221410B (en) | Coil structure of three-dimensional wound core open dry-type transformer and winding method thereof | |
| CN102163489A (en) | Series integrated inductive device | |
| US9431170B2 (en) | 0.2Ss class special-type high-voltage measuring current transformer | |
| CN206250037U (en) | A kind of Flat wire vertical winding three-phase reactor | |
| CN201927465U (en) | Multi-tap dry-type isolation transformer | |
| CN201298427Y (en) | Oil-filled transformer | |
| US11183326B2 (en) | Coil structure for a dry-type transformer and a winding method thereof | |
| TWI423277B (en) | Combined transformer | |
| CN103578706A (en) | Power inductance device and method for realizing shunting measurement through inductive winding | |
| CN203377069U (en) | Coil of rolled iron core transformer | |
| CN201075331Y (en) | Bar structure of phase shift commutation dry-type transformer | |
| CN204834295U (en) | Immediately, around formula reactor | |
| CN107251173B (en) | A kind of photovoltaic power generation transformer | |
| CN203850132U (en) | Amorphous alloy transformer coil | |
| JP2017183556A (en) | Transformer | |
| CN106024374B (en) | A kind of dry-type transformer sectional circular cartridge type high-tension coil winding method | |
| CN202585065U (en) | Horizontal transformer plugged in circuit board | |
| CN103337343A (en) | Novel spiral winding for transformer and winding method thereof | |
| CN109841393B (en) | Winding staggered distribution transformer | |
| CN202394674U (en) | Oil-immersed transformer | |
| CN201681701U (en) | Amorphous alloy transformer | |
| CN201975119U (en) | Wires for winded coil of transformer | |
| RU107639U1 (en) | CURRENT LIMITING REACTOR |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pancake-type coil dry-type iron core reactor Effective date of registration: 20140123 Granted publication date: 20121212 Pledgee: Zhejiang Fuyang Rural Cooperative Bank branch branch silver Pledgor: Hangzhou Yinhu Electric Equipment Co., Ltd. Registration number: 2014990000070 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20141205 Granted publication date: 20121212 Pledgee: Zhejiang Fuyang Rural Cooperative Bank branch branch silver Pledgor: Hangzhou Yinhu Electric Equipment Co., Ltd. Registration number: 2014990000070 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Pancake-type coil dry-type iron core reactor Effective date of registration: 20141208 Granted publication date: 20121212 Pledgee: Zhejiang Fuyang Rural Cooperative Bank branch branch silver Pledgor: Hangzhou Yinhu Electric Equipment Co., Ltd. Registration number: 2014990001047 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20151215 Granted publication date: 20121212 Pledgee: Zhejiang Fuyang Rural Commercial Bank branch Limited by Share Ltd Silver Lake Branch Pledgor: Hangzhou Yinhu Electric Equipment Co., Ltd. Registration number: 2014990001047 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20151215 Registration number: 2014990001047 Pledgee after: Zhejiang Fuyang Rural Commercial Bank branch Limited by Share Ltd Silver Lake Branch Pledgee before: Zhejiang Fuyang Rural Cooperative Bank branch branch silver |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20150523 |
|
| EXPY | Termination of patent right or utility model |