CN110060846A - A kind of iron core of transformer - Google Patents
A kind of iron core of transformer Download PDFInfo
- Publication number
- CN110060846A CN110060846A CN201910474631.XA CN201910474631A CN110060846A CN 110060846 A CN110060846 A CN 110060846A CN 201910474631 A CN201910474631 A CN 201910474631A CN 110060846 A CN110060846 A CN 110060846A
- Authority
- CN
- China
- Prior art keywords
- core
- iron core
- insulation
- slot
- inserted sheet
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 65
- 238000009413 insulation Methods 0.000 claims abstract description 72
- 238000005192 partition Methods 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 239000005060 rubber Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract description 33
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2895—Windings disposed upon ring cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
Abstract
The invention discloses a kind of iron core of transformer, including annular core, further include core insulation cap and insulation inserted sheet；Core insulation cap is annular；Core insulation cap is two, and two core insulation caps are symmetrically disposed on the upper surface of annular core and following；The side of annular core is provided with the insulation inserted sheet around annular core, and two core insulation caps are connected by inserted sheet cuttage of insulating；Core insulation cap is spliced by the insulating segment of multiple arcs；The rear and front end of insulating segment is fixedly connected to wall partition.The multiple insulating segment splicings of the present invention, can be suitble to Multiple Type, the annular core of plurality of specifications；And winding can be positioned, keeps winding distribution more uniform, to increase stability；Wall partition opens adjacent winding internal, can effectively reduce the leakage of electric current between adjacent winding, to increase working efficiency；Core insulation cap can realize completely isolated, effective protection iron core and the winding of iron core and winding, expanded service life.
Description
Technical field
The present invention relates to a kind of transformer core more particularly to a kind of iron core of transformer.
Background technique
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary
Grade coil and iron core.Traditional transformer core is commonly rectangular, but rectangular iron core is in use, will cause greatly
Current loss；And the shape of square core needs higher technique, otherwise magnetic field can be made unstable；
In the prior art, having the iron core of annular to replace square core, annular core is more stable compared to square core,
But some shortcomings are still had, for example the winding of armature winding and secondary windings is difficult to ensure uniformly；It can be produced between adjacent winding
Raw very big leakage current, to reduce the working efficiency of transformer；Model is unified, and cannot adjust according to the actual situation makes transformation
Device is more applicable.
Summary of the invention
In order to solve shortcoming present in above-mentioned technology, the present invention provides a kind of iron core of transformer.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of iron core of transformer, including ring
Shape iron core further includes core insulation cap and insulation inserted sheet；Core insulation cap is annular；Core insulation cap is two, two iron cores
Insulator cap is symmetrically disposed on the upper surface of annular core and following；The side of annular core be provided with around annular core insulation insert
Piece, two core insulation caps are connected by inserted sheet cuttage of insulating；
Core insulation cap is spliced by the insulating segment of multiple arcs；The rear and front end of insulating segment be fixedly connected to wall every
Plate, and the angle between the wall partition of insulating segment front end and the wall partition of rear end is 15 °, 30 °, 45 °, 60 ° or 90 °；Insulating segment
It is upper to offer iron core slot close to annular core side；Iron core slot is arc-shaped；
Grooved hole is opened up on wall partition；Slot is connected with iron core slot, and the cross sectional shape of the shape of slot and iron core slot
It is identical；Iron core slot is surrounded by iron core cover plate, outer diameter cover board and internal diameter cover board；One end of outer diameter cover board and internal diameter cover board passes through iron
Core cover plate is connected with each other, the other end is concordant with wall partition；Outer diameter cover board and internal diameter cover board are vertical with iron core cover plate；Wall
The length of partition is greater than the width of iron core slot, and the height of wall partition is greater than the depth of iron core slot；The outer end of wall partition is provided with
Jointing, the inner end of protrusion are provided with the connecting pin of protrusion；
The end of outer diameter cover board offers big cuttage slot；The end of internal diameter cover board offers small cuttage slot；Insulation inserted sheet be in
Annular, and the inserted sheet that insulate includes minor diameter insulation inserted sheet and major diameter insulation inserted sheet；Minor diameter insulation inserted sheet is inserted in small cuttage
In slot；Major diameter insulation inserted sheet is inserted in big cuttage slot.
Further, jointing includes the pin end and female connector of mutual holding；It is set on the wall partition of insulating segment front end
Be equipped with pin end, rear end wall partition on be symmetrically arranged with female connector.
Further, pin end is the round fastener to front side protrusion；Female connector is the round card slot to rear openings；
Further, core insulation cap is spliced by 4~24 insulating segments.
Further, the material of core insulation cap is rubber or plastics or epoxy resin.
Further, the material of inserted sheet of insulating is rubber or plastics or glass or ceramics or epoxy resin.
The multiple insulating segment splicings of the present invention, can be suitble to Multiple Type, the annular core of plurality of specifications；And it can position
Winding keeps winding distribution more uniform, to increase stability；Wall partition opens adjacent winding internal, can effectively reduce adjacent
The leakage of electric current between winding, to increase working efficiency；Core insulation cap can realize completely isolated, effective guarantor of iron core and winding
Break iron core and winding, expanded service life.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is the positive structural schematic diagram of insulating segment.
Fig. 3 is the structural schematic diagram at the insulating segment back side.
Fig. 4 is the positive structural schematic diagram of core insulation cap.
Fig. 5 is the structural schematic diagram at the core insulation cap back side.
Fig. 6 is use state of the invention with reference to figure.
In figure: 1, annular core；2, major diameter insulation inserted sheet；3, wall partition；4, iron core cover plate；5, outer diameter cover board；6,
Internal diameter cover board；7, connecting pin；8, pin end；9, female connector；10, minor diameter insulation inserted sheet.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
A kind of iron core of transformer shown in FIG. 1, including annular core 1 further include core insulation cap and insulation inserted sheet；
Core insulation cap is annular；Core insulation cap is two, and two core insulation caps are symmetrically disposed on the upper surface of annular core under
Face；The side of annular core is provided with the insulation inserted sheet 10 around annular core, and two core insulation caps pass through insulation inserted sheet skewer
It inserts and connects；Core insulation cap can get up the upper surface, lower surface and side wrap of annular core, realize winding and annular
Insulation between iron core；Insulation inserted sheet is used for two core insulation cap connections, is fixed together, and prevents two core insulation caps
Relative displacement occurs and annular core can not be made completely insulated, avoids causing winding breakdown；And the inserted sheet that insulate is exhausted by iron core
The position that edge cap can not cover is covered, and guarantees comprehensive stability to insulate and insulate of annular core.
The material of insulation inserted sheet is rubber or plastics or glass or ceramics or epoxy resin；The material of core insulation cap is rubber
Glue or plastics or epoxy resin；Different insulating materials can be selected from different demands according to actual needs；Wherein core insulation cap
Do not need only to have support force, it is also necessary to there is certain elasticity for jointing realization effect, therefore core insulation cap
Material not only needs to have good insulating properties, but also needs to have certain support force and elasticity.
As shown in fig. 6, core insulation cap is spliced by the insulating segment of multiple arcs；The rear and front end of insulating segment is fixed
Be connected with wall partition 3, and the angle between the wall partition of insulating segment front end and the wall partition of rear end be 15 °, 30 °, 45 °, 60 ° or
90°；Core insulation cap is spliced by 4~24 insulating segments；Difference with the prior art is to be split as by an entirety more
A insulating segment；And multiple insulating segments of different angle can be combined for different demands.
The setting of multiple insulating segments can play certain positioning action to winding, guarantee the uniform of winding, to make to produce
Raw magnetic field is more uniform；The use of insulating segment is up to 24 in the present invention, i.e., splices the insulating segment that 24 angles are 15 °
Together, the core insulation cap for forming more ridges, can be conducive to the mean allocation of winding；In addition, leading between insulating segment and insulating segment
The isolation of wall partition is crossed, makes to insulate between adjacent winding, significantly reduces leaky；
Iron core slot is offered close to annular core side on insulating segment；Iron core slot is arc-shaped；Iron core slot is for accommodating annular
Iron core；
As shown in Figure 2-5, grooved hole is opened up on wall partition 3；Slot is connected with iron core slot, and the shape and iron of slot
The cross sectional shape of core slot is identical, it is ensured that wall partition will not hinder annular core to be placed in iron core slot；Iron core slot is covered by iron core
Cover board 4, outer diameter cover board 5 and internal diameter cover board 6 surround；One end of outer diameter cover board 5 and internal diameter cover board 6 is mutual by iron core cover plate 4
Connection, the other end are concordant with wall partition；Outer diameter cover board and internal diameter cover board are vertical with iron core cover plate；The length of wall partition is big
In the width of iron core slot, the height of wall partition is greater than the depth of iron core slot；Wall partition extends to the back side of iron core slot, covers iron core
Cover board 4, outer diameter cover board 5, internal diameter cover board 6 and wall partition form slot for winding, slot for winding and iron core slot at the back side of iron core slot
Direction it is vertical, can be used for accommodating coil windings；The height of this exterior wall partition makes adjacent around set isolation, prevents electric current between winding from letting out
Leakage.
The outer end of wall partition is provided with the jointing of protrusion, inner end is provided with raised connecting pin 7；Jointing
Pin end and female connector including mutual holding；Be provided on the wall partition of insulating segment front end pin end 8, rear end wall partition on
It is symmetrically arranged with female connector 9；Pin end is the round fastener to front side protrusion；Female connector is the round card slot to rear openings.
When in use, one of insulating segment pin end can the female connector of insulating segment adjacent thereto match, mutual holding is together；It should
The female connector of insulating segment can the pin end of insulating segment adjacent thereto match, to keep the core insulation cap of entire annular complete
It is whole to be firmly stitched together.
Connecting pin is bulge-structure, identical as jointing, and the adjacent connecting pin of two neighboring insulating segment can be nestled one
It rises, and since jointing and connecting pin are protrusion, so that being formed between two neighboring insulating segment by jointing, connection
The space that foot and wall partition surround, the space can insulate adjacent winding, and can play as annular core cooling and heat dissipation
Effect.
The end of outer diameter cover board offers big cuttage slot；The end of internal diameter cover board offers small cuttage slot；Insulation inserted sheet be in
Annular, and the inserted sheet that insulate includes minor diameter insulation inserted sheet 10 and major diameter insulation inserted sheet 2；Minor diameter insulation inserted sheet 10 is inserted in small
In cuttage slot；Major diameter insulation inserted sheet 2 is inserted in big cuttage slot.Cuttage slot is used for housing insulation inserted sheet, and double hyer insulation is arranged
Inserted sheet can guarantee insulation effect, and have the function of heat-insulated.
The present invention has the advantage that compared with prior art are as follows:
A, multiple insulating segment splicings, allow the present invention to be suitble to Multiple Type, the annular core of plurality of specifications；And it can be with
Winding is positioned, keeps winding distribution more uniform, to increase stability；
B, wall partition opens adjacent winding internal, can effectively reduce the leakage of electric current between adjacent winding, to increase work
Efficiency；
C, core insulation cap can realize the completely isolated of iron core and winding, and effective protection iron core and winding extend using period
Limit.
Above embodiment is not limitation of the present invention, and the present invention is also not limited to the example above, this technology neck
The variations, modifications, additions or substitutions that the technical staff in domain is made within the scope of technical solution of the present invention, also belong to this hair
Bright protection scope.
Claims (6)
1. a kind of iron core of transformer, including annular core (1), it is characterised in that: further include that core insulation cap and insulation are inserted
Piece；The core insulation cap is annular；The core insulation cap is two, and two core insulation caps are symmetrically disposed on annular core
The upper surface of and it is following；The side of the annular core is provided with the insulation inserted sheet around annular core, and two core insulation caps are logical
Insulation inserted sheet cuttage is crossed to connect；
The core insulation cap is spliced by the insulating segment of multiple arcs；The rear and front end of the insulating segment is fixedly connected to
Wall partition (3), and the angle between the wall partition of insulating segment front end and the wall partition of rear end is 15 °, 30 °, 45 °, 60 ° or 90 °；
Iron core slot is offered close to annular core side on the insulating segment；The iron core slot is arc-shaped；
Grooved hole is opened up on the wall partition (3)；The slot is connected with iron core slot, and section of the shape of slot and iron core slot
Face shape is identical；The iron core slot is surrounded by iron core cover plate (4), outer diameter cover board (5) and internal diameter cover board (6)；The outer diameter lid
Plate (5) is connected with each other with one end of internal diameter cover board (6) by iron core cover plate (4), the other end is concordant with wall partition；It is described outer
Diameter cover board and internal diameter cover board are vertical with iron core cover plate；The length of the wall partition is greater than the width of iron core slot, wall partition
Height is greater than the depth of iron core slot；The outer end of the wall partition is provided with the jointing of protrusion, inner end is provided with protrusion
Connecting pin (7)；
The end of the outer diameter cover board offers big cuttage slot；The end of the internal diameter cover board offers small cuttage slot；It is described exhausted
Edge inserted sheet in a ring, and insulate inserted sheet include minor diameter insulation inserted sheet (10) and major diameter insulate inserted sheet (2)；The minor diameter is exhausted
Edge inserted sheet is inserted in small cuttage slot；The major diameter insulation inserted sheet is inserted in big cuttage slot.
2. iron core of transformer according to claim 1, it is characterised in that: the jointing includes mutual holding
Pin end and female connector；Be provided on the wall partition of the insulating segment front end pin end (8), rear end wall partition on be symmetrical arranged
There are female connector (9).
3. iron core of transformer according to claim 1 or 2, it is characterised in that: the pin end is to front side protrusion
Round fastener；The female connector is the round card slot to rear openings.
4. iron core of transformer according to claim 1, it is characterised in that: the core insulation cap is exhausted by 4~24
Rim segment is spliced.
5. iron core of transformer according to claim 1, it is characterised in that: the material of the core insulation cap is rubber
Or plastics or epoxy resin.
6. iron core of transformer according to claim 1, it is characterised in that: it is described insulation inserted sheet material be rubber or
Plastics or glass or ceramics or epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474631.XA CN110060846A (en) | 2019-06-03 | 2019-06-03 | A kind of iron core of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910474631.XA CN110060846A (en) | 2019-06-03 | 2019-06-03 | A kind of iron core of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110060846A true CN110060846A (en) | 2019-07-26 |
Family
ID=67325372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910474631.XA Pending CN110060846A (en) | 2019-06-03 | 2019-06-03 | A kind of iron core of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110060846A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599342A (en) * | 2020-12-16 | 2021-04-02 | 河南合瑞电气有限公司 | Annular transformer and preparation method thereof |
| WO2021074114A1 (en) * | 2019-10-15 | 2021-04-22 | SUMIDA Components & Modules GmbH | Shape-adaptive retainer for a core implementation and inductive component produced therewith |
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|---|---|---|---|---|
| US5353494A (en) * | 1992-11-03 | 1994-10-11 | Kuhlman Corporatin | Method for assembling a distribution transformer with conforming layers |
| US20030127244A1 (en) * | 2002-01-04 | 2003-07-10 | Albert Cho | Winding insulation structure for annular coils |
| JP2007142339A (en) * | 2005-11-22 | 2007-06-07 | Otowa Denki Kogyo Kk | Thunder resistance reinforcing type insulation transformer for low voltage |
| CN101206951A (en) * | 2007-11-16 | 2008-06-25 | 介国安 | Energy-saving current transformer |
| JP2009059748A (en) * | 2007-08-30 | 2009-03-19 | Sht Corp Ltd | Coil device |
| CN201622910U (en) * | 2010-01-25 | 2010-11-03 | 广州金升阳科技有限公司 | Insulated shell used for annular magnetic core |
| US20150228401A1 (en) * | 2014-02-13 | 2015-08-13 | CT-Concept Technologie GmbH | Insulation structure for transformer, method for insulating a transformer, and transformer comprising insulation structure |
| CN105185509A (en) * | 2015-09-30 | 2015-12-23 | 广东威灵电机制造有限公司 | Inductor |
| US20170110238A1 (en) * | 2015-10-20 | 2017-04-20 | Talema Group, Llc | Segmented core cap system for toroidal transformers |
| US20180366265A1 (en) * | 2015-12-11 | 2018-12-20 | Amogreentech Co., Ltd. | Magnetic-shield-type converter |
| CN209895887U (en) * | 2019-06-03 | 2020-01-03 | 南通国轩新能源科技有限公司 | Novel transformer iron core |
-
2019
- 2019-06-03 CN CN201910474631.XA patent/CN110060846A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5353494A (en) * | 1992-11-03 | 1994-10-11 | Kuhlman Corporatin | Method for assembling a distribution transformer with conforming layers |
| US20030127244A1 (en) * | 2002-01-04 | 2003-07-10 | Albert Cho | Winding insulation structure for annular coils |
| JP2007142339A (en) * | 2005-11-22 | 2007-06-07 | Otowa Denki Kogyo Kk | Thunder resistance reinforcing type insulation transformer for low voltage |
| JP2009059748A (en) * | 2007-08-30 | 2009-03-19 | Sht Corp Ltd | Coil device |
| CN101206951A (en) * | 2007-11-16 | 2008-06-25 | 介国安 | Energy-saving current transformer |
| CN201622910U (en) * | 2010-01-25 | 2010-11-03 | 广州金升阳科技有限公司 | Insulated shell used for annular magnetic core |
| US20150228401A1 (en) * | 2014-02-13 | 2015-08-13 | CT-Concept Technologie GmbH | Insulation structure for transformer, method for insulating a transformer, and transformer comprising insulation structure |
| CN105185509A (en) * | 2015-09-30 | 2015-12-23 | 广东威灵电机制造有限公司 | Inductor |
| US20170110238A1 (en) * | 2015-10-20 | 2017-04-20 | Talema Group, Llc | Segmented core cap system for toroidal transformers |
| US20180366265A1 (en) * | 2015-12-11 | 2018-12-20 | Amogreentech Co., Ltd. | Magnetic-shield-type converter |
| CN209895887U (en) * | 2019-06-03 | 2020-01-03 | 南通国轩新能源科技有限公司 | Novel transformer iron core |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021074114A1 (en) * | 2019-10-15 | 2021-04-22 | SUMIDA Components & Modules GmbH | Shape-adaptive retainer for a core implementation and inductive component produced therewith |
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| CN112599342A (en) * | 2020-12-16 | 2021-04-02 | 河南合瑞电气有限公司 | Annular transformer and preparation method thereof |
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