CN106229119A - A kind of transformer core and the manufacture method of transformator - Google Patents

A kind of transformer core and the manufacture method of transformator Download PDF

Info

Publication number
CN106229119A
CN106229119A CN201610842145.5A CN201610842145A CN106229119A CN 106229119 A CN106229119 A CN 106229119A CN 201610842145 A CN201610842145 A CN 201610842145A CN 106229119 A CN106229119 A CN 106229119A
Authority
CN
China
Prior art keywords
iron core
block
core column
clamping piece
yoke block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610842145.5A
Other languages
Chinese (zh)
Inventor
刁连杰
张艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEFEI ECRIEE-TAMURA ELECTRIC Co Ltd
Original Assignee
HEFEI ECRIEE-TAMURA ELECTRIC Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HEFEI ECRIEE-TAMURA ELECTRIC Co Ltd filed Critical HEFEI ECRIEE-TAMURA ELECTRIC Co Ltd
Priority to CN201610842145.5A priority Critical patent/CN106229119A/en
Publication of CN106229119A publication Critical patent/CN106229119A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/26Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/266Fastening or mounting the core on casing or support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • H01F27/26Fastening parts of the core together; Fastening or mounting the core on casing or support
    • H01F27/263Fastening parts of the core together
    • HELECTRICITY
    • H01ELECTRIC 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)

Abstract

The invention discloses a kind of transformer core, including iron core body and the assembly of clamping iron core body, described iron core body includes lower yoke block and the iron core column block being cuboid, described lower yoke block is horizontally disposed, described iron core column block at least three pieces and being arranged vertically, its lower end connects lower yoke block, and described iron core body also includes multiple sub-upper yoke block being connected between adjacent two iron core column block, and the upper surface of described sub-upper yoke block is concordant with the upper surface of described iron core column block.The upper yoke part of this iron core breaks the whole up into parts, and advantageously reduces the manufacturing cost of transformer core, it is simple to the assembling of iron core body and clamping.

Description

A kind of transformer core and the manufacture method of transformator
Technical field
The present invention relates to transformer technology field, be specifically related to the manufacture method of a kind of transformer core and transformator.
Background technology
Transformator be the principle utilizing electromagnetic induction to change the device of alternating voltage, main member includes coil and ferrum Core, iron core includes iron core body and the assembly of clamping iron core body.Iron core body is formed by stacked before and after lamination, intermediate portion Demultiplexing is in suit coil, and this part is also referred to as iron core column.Its top and bottom are also referred to as iron yoke for closed magnetic circuit, and iron yoke is divided into Upper yoke and lower yoke.Iron core is the basic element of character of transformator, and Main Function is to provide magnetic circuit, makes simultaneously as mounting framework With.The magnetic conductor of iron core is the magnetic circuit of transformator, and it transfers magnetic energy to the electric energy of primary circuit, is changed into by the magnetic energy of oneself again The electric energy of secondary circuit, is the medium of energy conversion.Therefore, iron core is significant for transformator.
The manufacture process of transformator it is generally required to iron core body is carried out closed assembly, mounting coil in iron core column and use Iron core body is clamped fixing by clamping device.If iron core body can not effectively clamp, lamination will be at alternation magnetic Under field action, there is minor variations i.e. magnetostriction, thus produce noise.If coil and iron core body directly assemble loosely Gu, then noise can be increased.Further, since upper yoke is deposited in above iron core column, the height of stacking is wayward, causes thus producing The stress of raw lamination is wayward.
Existing iron core body typically has two kinds of structures.The first, as it is shown in figure 1, iron core body 10 structure for being positioned on The E shape iron core block 11 of lower section is to inserting structure.Due to structure problem, this structure is the most insecure with the assembling of coil, causes change During depressor work, coil is loose, produces noise.The second, as in figure 2 it is shown, iron core body 10 includes the upper ferrum being cuboid Yoke block 12 and lower yoke block 14 and iron core column block 13.Wherein, upper yoke block 12 is horizontally disposed, lower yoke block 14 and upper yoke block The length of 12 is identical and is parallel to below upper yoke block 12, and iron core column block 13 is vertically connected on upper yoke block 12 and lower yoke block 14 Between.This structure disadvantageously, upper yoke block 12 is deposited in 13 pieces of tops of iron core column, the height of stacking is wayward, leads The stress causing consequent lamination is wayward, is easily generated noise.
Generally speaking, in prior art, there is many problems in transformator.During transformer manufacturing, due to the knot of iron core body Structure problem, iron core body can not effectively be clamped, and the assembling with coil is insecure.Transformator easily produces noise and unloaded electricity Stream is big.Further, since the size and shape problem of iron core block, when making the material of iron core block, there are substantial amounts of leftover pieces, these Corner considerably increases the manufacturing cost of iron core.
Summary of the invention
The present invention is directed to existing technical problem make improvements, i.e. the technical problem to be solved is to provide one Transformer core, the upper yoke part of this iron core breaks the whole up into parts, and advantageously reduces the manufacturing cost of transformer core, it is simple to iron core The assembling of body and clamping.
For solving the problems referred to above, the technical scheme that the present invention provides is:
A kind of transformer core, including iron core body and the assembly of clamping iron core body, described iron core body includes being The lower yoke block of cuboid and iron core column block, described lower yoke block is horizontally disposed, and described iron core column block is at least three pieces and hangs down Straight layout, its lower end connects lower yoke block, and described iron core body also includes multiple being connected between adjacent two iron core column block Sub-upper yoke block, the upper surface of described sub-upper yoke block is concordant with the upper surface of described iron core column block.
Further, described assembly includes upper beam, upper clamping piece, lower clamping piece, underbeam, draws screw rod and side folder;Described upper clamping piece Being two, be arranged in parallel both sides before and after described sub-upper yoke block and iron core column block upper end, and is locked by upper draw-in bar;Institute Stating side folder is two, lays respectively at the two ends, left and right of described upper clamping piece and is vertically connected between two upper clamping pieces, side folder Be provided with the screwed hole just to described iron core column block, by through screwed hole and prop up described iron core column block bolt clamping iron core Post block and sub-upper yoke block;Described lower clamping piece is two, and be arranged in parallel both sides before and after described lower yoke block, and by lower interior Draw lever locking;Described upper beam is laterally crossed on directly over upper clamping piece and contacts with sub-upper yoke block surface;Described underbeam laterally across Being located at immediately below lower clamping piece and relative with described upper beam, described underbeam contacts with lower yoke block surface;Described draw screw rod from up to Under sequentially pass through to the through hole of screw rod should be drawn on upper beam, upper clamping piece, lower clamping piece, underbeam, by drawing the nut lock at screw rod two ends Tight described upper beam and underbeam.
Further, the connection between described iron core column block and lower yoke block is splicing, described iron core column block and sub-upper yoke Connection between block is for glueing joint.
Further, described lower yoke block is provided with rustless steel welding plate with the junction of iron core column block.
Further, described rustless steel welding plate upper part and iron core column block pass through to be welded to connect, the lower part of rustless steel welding plate With lower yoke block by being welded to connect.
Further, described sub-upper yoke block and iron core column block upper end are provided with the through hole that described upper draw-in bar passes, described on Draw-in bar connects two described upper clamping pieces through this through hole;Described lower yoke block is provided with the through hole that described lower draw-in bar passes, institute State lower draw-in bar and connect two described lower clamping pieces through this through hole.
In technique scheme, original for transformer core upper yoke part being broken the whole up into parts, the most sub-upper yoke block divides Become several sub-upper yoke blocks.Owing to the size of sub-upper yoke block is less, it is known that its weight, volume are smaller, are so easy to work People carries out iron core body assembling.Further, since the size of sub-upper yoke block is less, advantageously reduces the sub-upper yoke block of making and expend Material.There are substantial amounts of leftover pieces, it is possible to use these leftover pieces systems when making the material of lower yoke block and iron core column block Make the sub-upper yoke block that size is less.Thus, iron core body manufacturing cost is decreased.Further, by assembly clamping iron core originally Body.Realize iron core column block and sub-upper yoke block are front and back clamped by upper clamping piece;By lower clamping piece, lower yoke block is entered Clamp before and after row;By side folder, the iron core column block of the left and right sides is extruded to centre, make adjacent iron core block clamping be connected to Sub-upper yoke block between adjacent iron core block;By upper beam, underbeam with draw screw rod to be connected with lower clamping piece by upper clamping piece, i.e. upper folder Part is connected with the clamping force of lower clamping piece.Being achieved in, assembly is uniform to effectively clamping and the clamping force of iron core body.Further, Described being connected as is gluedd joint, and makes the connection between each ingredient of iron core body more firm, advantageously reduces noise.By not Rust steel welding plate carries out auxiliary and connects, and increases the overall steadiness of iron core body further.
Another technical problem to be solved by this invention be to provide a kind of use above-mentioned transformer core transformator Manufacture method, the method comprises the following steps:
Step one: by coil winding on described iron core column block;
Step 2: by horizontally disposed for described lower yoke block, three described iron core column blocks are placed sequentially in described from left to right On lower yoke block and be perpendicular to described lower yoke block upwards;
Step 3: place on the described son vertical with iron core column block between the upper end of two adjacent described iron core column blocks Iron yoke block, the end face of the most described sub-upper yoke block is concordant with the end face of described iron core column block, and connects described iron core by glue Post block and described sub-upper yoke block;
Step 4: by described upper clamping piece respectively by clamping before and after described sub-upper yoke block and iron core column block upper end, pass through Described side folder will clamp about sub-upper yoke block and iron core column block upper end;
Step 5: will be clamped before and after described lower yoke block by described lower clamping piece;
Step 6: by described upper beam, underbeam with draw screw rod described upper clamping piece and lower clamping piece to be strained;
Step 7: described lower yoke block is connected with described iron core column block by welding plate.
In technique scheme, described method is simple to operate, can realize the effective clamping to iron core body simultaneously.It is easy to The clamping of iron core body, makes iron core body with coil assembling firmly.
The invention have the benefit that
The weight of sub-upper yoke block the most of the present invention is little, volume is little, it is simple to assemble with iron core column block.
The low cost of manufacture of iron core body the most of the present invention.
3. the present invention realizes the effective clamping to iron core body by described assembly and clamping force is uniform.Advantageously reduce change The generation of depressor noise.
4. the method for the invention is simple to operate, can realize the effective clamping to iron core body, it is ensured that iron core body simultaneously With coil assembling firmly, transformer noise is advantageously reduced.
Method the most of the present invention, is conducive to regulating air gap, and then effectively controls no-load current.
Accompanying drawing explanation
Fig. 1 is that the axle of the first prior art surveys view.
Fig. 2 is that the axle of the second prior art surveys view.
Fig. 3 is that the axle of transformer core of the present invention surveys view.
Fig. 4 is that the axle of transformator of the present invention surveys view.
Fig. 5 is the front view of transformator of the present invention.
Fig. 6 is the top view of transformator of the present invention.
The side view of Fig. 7 transformator of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention will be further described.The above-below direction of the following stated is transformator The short transverse of iron core, left and right directions is the length direction of transformer core, and fore-and-aft direction is the thickness direction of transformer core.
As it is shown on figure 3, the detailed description of the invention of transformer core of the present invention, a kind of transformer core, including iron core Body 10 and the assembly 20 of clamping iron core body.
Described iron core body 10 includes being the lower yoke block 14 of cuboid, iron core column block 13 and sub-upper yoke block 15. Lower yoke block 14 is horizontally disposed.Iron core column block 13 is three and is arranged vertically, and its lower end connects lower yoke block 14.Sub-upper yoke block Between 15 upper ends being vertically connected on adjacent two iron core column block 13, the end face of sub-upper yoke block 15 and the end of iron core column block 13 Face is concordant.Iron core column block 13 is splicing with the connection of sub-upper yoke block 15, and iron core column block 13 is glue with the connection of lower yoke block 14 Connect.The right flank of iron core body 10, the junction of lower yoke block 15 and iron core column block 13 is provided with rustless steel welding plate 101.Rustless steel The upper part of welding plate 101 and iron core column block 13 are by being welded to connect, and the lower part of rustless steel welding plate 101 is passed through with lower yoke block 14 It is welded to connect.Sub-upper yoke block 15, iron core column block 13 upper end and lower yoke block 14 are equipped with the through hole arranged along the longitudinal direction.
As shown in Figures 4 to 7, described assembly 20 includes upper beam 21, upper clamping piece 22, side folder 23, lower clamping piece 24, underbeam 25 With draw screw rod 26.Upper clamping piece 22 is two, and be arranged in parallel both sides before and after sub-upper yoke block 15 and iron core column block 13 upper end, on Draw-in bar 221 connects the two upper clamping piece 22 through the through hole of sub-upper yoke block 15 and iron core column block 13 upper end, draws in upper The two upper clamping piece 22 locked by bar 221.Side folder 23 is two, lays respectively at the two ends, left and right of upper clamping piece 22 and is vertically connected on Between two upper clamping pieces 22, side folder 23 is provided with just screwed hole to iron core column block 13, by through screwed hole and prop up ferrum The bolt 231 of stem stem block 13 clamps iron core column block 13 and sub-upper yoke block 15, i.e. passes through side folder 23 and bolt 231 by left and right two The iron core column block 13 of side extrudes to centre, makes adjacent iron core block 13 clamp ferrum on the son being connected between adjacent iron core block 13 Yoke block 15.Lower clamping piece 24 is two, and be arranged in parallel both sides before and after lower yoke block 14, and lower draw-in bar 241 is through lower yoke block The through hole of 14 connects the two lower clamping piece 24, locks the two lower clamping piece 24 by lower draw-in bar 241.Upper beam 21 is laterally crossed on Contact directly over upper clamping piece 22 and with sub-upper yoke block 15 surface;Underbeam 25 is laterally crossed on immediately below lower clamping piece 24 and and upper beam 21 relatively, and underbeam 25 contacts with lower yoke block 14 surface;Draw screw rod 26 sequentially pass through from top to bottom upper beam 21, upper clamping piece 22, under To drawing the through hole of screw rod 26 on folder 24, underbeam 25, and by drawing the nut check at screw rod 26 two ends.
The manufacture method of transformator of the present invention, the method comprises the following steps:
Step one: coil 30 is wound on described iron core column block 13;
Step 2: by horizontally disposed for described lower yoke block 14, three described iron core column blocks 13 are placed sequentially in from left to right On described lower yoke block 14 and be perpendicular to described lower yoke block 14 upwards;
Step 3: between the upper end of two adjacent described iron core column blocks 13 place vertical with iron core column block 13 described in Sub-upper yoke block 15, the end face of the most described sub-upper yoke block 15 is concordant with the end face of described iron core column block 13, and by glue even Connect described iron core column block 13 and described sub-upper yoke block 15;
Step 4: will be pressed from both sides before and after described sub-upper yoke block 15 and iron core column block 13 upper end respectively by described upper clamping piece 22 Tightly, will be clamped about sub-upper yoke block 15 and iron core column block 13 upper end by described side folder 23;
Step 5: by described lower clamping piece 24 by clamping before and after described lower yoke block 14;
Step 6: by described upper beam 21, underbeam 25 with draw screw rod 26 to be strained with lower clamping piece 24 by described upper clamping piece 22;
Step 7: described lower yoke block 14 is connected with described iron core column block 13 by welding plate 101.
The structure of the transformator obtained by said method is as shown in Figures 4 to 6.
The feature of embodiment of the present invention:
In embodiment the most of the present invention, the weight of described sub-upper yoke block 15 is little, volume is little, it is simple to iron core column 13 Block assembles.
In embodiment the most of the present invention, the low cost of manufacture of described iron core body 10.Due to sub-upper yoke block 15 Size less, there are substantial amounts of leftover pieces when making the material of lower yoke block 14 and iron core column block 13, it is possible to use these The sub-upper yoke block 15 that leftover pieces manufactured size is less.
In embodiment the most of the present invention, realize the effectively clamping to iron core body 10 and folder by described assembly 20 Clamp force is uniform.Advantageously reduce the generation of transformer noise.
In embodiment the most of the present invention, described method is simple to operate, and can realize iron core body 10 is effective simultaneously Clamping, it is ensured that iron core body 10 and coil 30 assemble firmly.Advantageously reduce the generation of transformer noise, reduce unloaded electricity simultaneously Stream.
Above-mentioned all of embodiment is only used for illustrating the principle of the present invention, is not limited to the scope of the present invention.To this The bright change that can also make other, these changes are still within the scope of the present invention.

Claims (7)

1. a transformer core, including iron core body and the assembly of clamping iron core body, described iron core body includes being length The lower yoke block of cube shape and iron core column block, described lower yoke block is horizontally disposed, and described iron core column block is at least three pieces and vertical Arranging, its lower end connects lower yoke block, it is characterised in that described iron core body also includes multiple being connected to adjacent two iron core Sub-upper yoke block between post block, the upper surface of described sub-upper yoke block is concordant with the upper surface of described iron core column block.
2. transformer core as claimed in claim 1, it is characterised in that described assembly include upper beam, upper clamping piece, lower clamping piece, Underbeam, draw screw rod and side folder;
Described upper clamping piece is two, and be arranged in parallel both sides before and after described sub-upper yoke block and iron core column block upper end, and passes through Upper draw-in bar is locked;
Described side folder is two, lays respectively at the two ends, left and right of described upper clamping piece and is vertically connected between two upper clamping pieces, Side folder is provided with just screwed hole to described iron core column block, by through screwed hole the bolt clip that props up described iron core column block Tight iron core column block and sub-upper yoke block;
Described lower clamping piece is two, and be arranged in parallel both sides before and after described lower yoke block, and is locked by lower draw-in bar;
Described upper beam is laterally crossed on directly over upper clamping piece and contacts with sub-upper yoke block surface;
Described underbeam is laterally crossed on immediately below lower clamping piece and relative with described upper beam, and described underbeam connects with lower yoke block surface Touch;
Described screw rod is drawn to sequentially pass through to drawing the through hole of screw rod on upper beam, upper clamping piece, lower clamping piece, underbeam from top to bottom, logical Cross and draw upper beam and underbeam described in the nut check at screw rod two ends.
3. transformer core as claimed in claim 2, it is characterised in that the connection between described iron core column block and lower yoke block For glueing joint, the connection between described iron core column block and sub-upper yoke block is for glueing joint.
4. transformer core as claimed in claim 3, it is characterised in that described lower yoke block sets with the junction of iron core column block There is rustless steel welding plate.
5. transformer core as claimed in claim 4, it is characterised in that described rustless steel welding plate upper part is led to iron core column block Crossing and be welded to connect, the lower part of rustless steel welding plate and lower yoke block are by being welded to connect.
6. transformer core as claimed in claim 5, it is characterised in that described sub-upper yoke block and iron core column block upper end are provided with The through hole that described upper draw-in bar passes, described upper draw-in bar connects two described upper clamping pieces through this through hole;
Described lower yoke block is provided with the through hole that described lower draw-in bar passes, and described lower draw-in bar is through described in this through hole connection two Lower clamping piece.
7. the manufacture method of the transformator of the transformer core used described in claim 6, it is characterised in that include following Step:
Step one: by coil winding on described iron core column block;
Step 2: by horizontally disposed for described lower yoke block, three described iron core column blocks are placed sequentially in described lower ferrum from left to right On yoke block and be perpendicular to described lower yoke block upwards;
Step 3: place the described sub-upper yoke vertical with iron core column block between the upper end of two adjacent described iron core column blocks Block, the end face of the most described sub-upper yoke block is concordant with the end face of described iron core column block, and connects described iron core column block by glue With described sub-upper yoke block;
Step 4: by described upper clamping piece respectively by clamping before and after described sub-upper yoke block and iron core column block upper end, by described Side folder will clamp about sub-upper yoke block and iron core column block upper end;
Step 5: will be clamped before and after described lower yoke block by described lower clamping piece;
Step 6: by described upper beam, underbeam with draw screw rod described upper clamping piece and lower clamping piece to be strained;
Step 7: described rustless steel welding plate is connected on described lower yoke block and described iron core column block.
CN201610842145.5A 2016-09-22 2016-09-22 A kind of transformer core and the manufacture method of transformator Pending CN106229119A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610842145.5A CN106229119A (en) 2016-09-22 2016-09-22 A kind of transformer core and the manufacture method of transformator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610842145.5A CN106229119A (en) 2016-09-22 2016-09-22 A kind of transformer core and the manufacture method of transformator

Publications (1)

Publication Number Publication Date
CN106229119A true CN106229119A (en) 2016-12-14

Family

ID=58075978

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610842145.5A Pending CN106229119A (en) 2016-09-22 2016-09-22 A kind of transformer core and the manufacture method of transformator

Country Status (1)

Country Link
CN (1) CN106229119A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108847341A (en) * 2018-07-11 2018-11-20 东莞市大忠电子有限公司 A kind of low noise level transformer and its manufacturing process of adjustable no-load current
CN109448968A (en) * 2018-12-15 2019-03-08 泰州市天力铁芯制造有限公司 A kind of transformer fe core assembly installation assembly

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202003803U (en) * 2011-03-22 2011-10-05 江苏上能新特变压器有限公司 Five-column iron core for transformer
CN203118764U (en) * 2013-03-14 2013-08-07 株洲南车机电科技有限公司 Iron core electric reactor coil winding die and iron core electric reactor
CN203466000U (en) * 2013-08-27 2014-03-05 上海晶鑫电工设备有限公司 Iron core device
CN203871135U (en) * 2013-12-25 2014-10-08 深圳银利电器制造有限公司 Core column silicon steel sheet notch and iron yoke silicon steel sheet notch perpendicular type inductor iron core and inductor
JP5983306B2 (en) * 2012-10-24 2016-08-31 Jfeスチール株式会社 Method for manufacturing transformer cores with excellent iron loss
CN206059108U (en) * 2016-09-22 2017-03-29 合肥博微田村电气有限公司 A kind of transformer core

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202003803U (en) * 2011-03-22 2011-10-05 江苏上能新特变压器有限公司 Five-column iron core for transformer
JP5983306B2 (en) * 2012-10-24 2016-08-31 Jfeスチール株式会社 Method for manufacturing transformer cores with excellent iron loss
CN203118764U (en) * 2013-03-14 2013-08-07 株洲南车机电科技有限公司 Iron core electric reactor coil winding die and iron core electric reactor
CN203466000U (en) * 2013-08-27 2014-03-05 上海晶鑫电工设备有限公司 Iron core device
CN203871135U (en) * 2013-12-25 2014-10-08 深圳银利电器制造有限公司 Core column silicon steel sheet notch and iron yoke silicon steel sheet notch perpendicular type inductor iron core and inductor
CN206059108U (en) * 2016-09-22 2017-03-29 合肥博微田村电气有限公司 A kind of transformer core

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108847341A (en) * 2018-07-11 2018-11-20 东莞市大忠电子有限公司 A kind of low noise level transformer and its manufacturing process of adjustable no-load current
CN109448968A (en) * 2018-12-15 2019-03-08 泰州市天力铁芯制造有限公司 A kind of transformer fe core assembly installation assembly

Similar Documents

Publication Publication Date Title
CN106229119A (en) A kind of transformer core and the manufacture method of transformator
CN104465038A (en) Rail traction transformer core cushion foot clamping device
CN206059108U (en) A kind of transformer core
CN201181621Y (en) Low-loss iron core reactor
CN108933028B (en) Double-opening magnetic circuit iron core body clamping device for power equipment
CN202473552U (en) Iron-core transformer
CN202615995U (en) Low-voltage lead connection structure of three-dimensional rolled iron core dry-type transformer
CN207852448U (en) Transformer and core assembly, iron core fixing structure
CN102222867B (en) Splicing structure matched with metal armoring for withdrawal-type switch equipment cabinet body
CN204792364U (en) Transformer low voltage pin configuration for photovoltaic power generation
US3689861A (en) Linear shunted transformer
CN104347235B (en) A kind of transformer core for the test of single-phase DC magnetic bias
CN206302153U (en) Arc suppression coil upper yoke pressing plate
CN109473264B (en) Oil-immersed transformer
CN110085403B (en) Magnetic shielding structure and magnetic shielding method for end part of three-post iron core of transformer
CN111540584A (en) 500kV antidetonation type level power transformer shaping lead clamping structure
CN103137297A (en) Three-dimensional triangle iron core clamp
CN208433307U (en) A kind of transformer core column positioning tool
CN207134181U (en) Reactor
CN210668043U (en) Pulling plate iron core reactor
CN212032844U (en) 500kV antidetonation type level power transformer shaping lead clamping structure
CN217507075U (en) Connecting mechanism of transformer
CN104100187B (en) A kind of reinforcement structure for high anti-seismic Anti-deformation door
CN202258687U (en) Clamping device for iron core of transformer
CN219916902U (en) Open type medium-voltage reactor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161214