CN108597721A - A kind of Polymer-filled - Google Patents
A kind of Polymer-filled Download PDFInfo
- Publication number
- CN108597721A CN108597721A CN201810307055.5A CN201810307055A CN108597721A CN 108597721 A CN108597721 A CN 108597721A CN 201810307055 A CN201810307055 A CN 201810307055A CN 108597721 A CN108597721 A CN 108597721A
- Authority
- CN
- China
- Prior art keywords
- baffle
- iron core
- coil
- enameled wire
- wire group
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/06—Insulation of windings
Abstract
The invention discloses a kind of Polymer-filleds,Including coil rack,Coil case,The coil case is wrapped in the outside of the coil rack,The coil rack is made of rectangle iron core and baffle,And the baffle has two pairs,The centre of the baffle is equipped with rectangular through-hole,The rectangle iron core fixation is disposed through in the rectangular through-hole,Several heat emission holes are equipped in the baffle,And the heat emission hole radially distributes around the rectangle iron core,Enameled wire group is wound between the baffle and the rectangle iron core,And mutual conduction between the enameled wire group,Conductive interface is equipped in the outermost block baffle of baffle,And the conductive interface is connected with the enameled wire group,The coil case is made of casting glue,Filled layer is equipped in the casting glue,And the filled layer is wrapped in the enameled wire group,The Polymer-filled has good insulating,Permeability is high,The features such as heat-sinking capability is strong.
Description
Technical field
The present invention relates to Coil technique field, specially a kind of Polymer-filled.
Background technology
For the globality of strengthening electronic device, the resistance to external shock, vibrations is improved；Improve internal element, line
It insulate between road, is conducive to device miniaturization, lightweight；It avoids element, circuit from directly exposing, improves waterproof, the moisture resistance of device
Can, and performance and steadiness parameter are improved, people generally use the method for embedding to be potted processing to coil.
But there is poor insulativities for traditional Polymer-filled, embedding adhesiveness and hardness are relatively low, and close between coil
Closing property and permeability are poor, and when the temperature is excessively high, casting glue is easy to melt, this brings to the safety of coil and service life
Prodigious hidden danger.
So how to design a kind of Polymer-filled, becoming us will currently solve the problems, such as.
Invention content
The purpose of the present invention is to provide a kind of Polymer-filleds, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of Polymer-filled, including coil rack, coil
Shell, the coil case are wrapped in the outside of the coil rack, and the coil rack is made of rectangle iron core and baffle, and
The baffle has two pairs, and the centre of the baffle is equipped with rectangular through-hole, and the rectangle iron core fixation is disposed through the square
In shape through-hole, several heat emission holes are equipped in the baffle, and the heat emission hole radially distributes around the rectangle iron core,
Enameled wire group, and mutual conduction between the enameled wire group, the baffle are wound between the baffle and the rectangle iron core
Conductive interface is equipped in an outermost block baffle, and the conductive interface is connected with the enameled wire group, the coil case
It is made of casting glue, filled layer is equipped in the casting glue, and the filled layer is wrapped in the enameled wire group, the coil
The both sides of shell bottom end are fixedly connected with fixed plate, mounting hole are equipped in the fixed plate, and there are two the mounting holes.
Further, the casting glue uses LK333 epoxy resin materials.
Further, the filled layer makees filler material using flint silica sand.
Further, the outside of the casting glue be equipped with fire-retardant closed-loop, and the fire-retardant closed-loop by composite material not
Saturated polyester glass fibre reinforced mould plastic is made.
Further, the outside of the rectangle iron core is equipped with cross-over block, and the cross-over block is by corrugation laminated paper board
It is made.
Compared with prior art, the beneficial effects of the invention are as follows：This kind of Polymer-filled passes through by using LK333 asphalt mixtures modified by epoxy resin
Casting glue made of fat material, since LK333 resins have good processing performance, solidfied material shiny appearance, flexibility is preferable,
The features such as shrinking percentage is low is potted by using this kind of epoxy resin so that the embedding adhesiveness after solidification and coil surface
Hardness greatly improve, and permeability is more preferable；Make filled layer by using flint silica sand, and filled layer is wrapped in enameled wire group
On, it is ensured that without gap in enameled wire group, substantially increase the insulating properties and seal of coil；By being equipped with fire-retardant closing
Ring, avoid temperature it is excessively high so that casting glue it is local melting, improve the safety of coil entirety；By being equipped with felt pad
Block avoids the influence that enameled wire group is leaked electricity to rectangle iron core, enhances the insulating properties of coil.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the coil skeleton structure schematic diagram of the present invention；
Fig. 3 is the coil case structure sectional view of the present invention；
In figure：1- coil racks；2- coil cases；3- rectangle iron cores；4- baffles；5- rectangular through-holes；6- heat emission holes；7- is painted
Envelope curve group；8- conductive interfaces；9- casting glues；10- filled layers；11- fixed plates；12- mounting holes；The fire-retardant closed-loops of 13-；14- is exhausted
Edge cushion block.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution：Outside a kind of Polymer-filled, including coil rack 1, coil
Shell 2, the coil case 2 are wrapped in the outside of the coil rack 1, and the coil rack 1 is by 4 groups of rectangle iron core 3 and baffle
At, and the baffle 4 has two pairs, the centre of the baffle 4 is equipped with rectangular through-hole 5, and the rectangle iron core 3 is fixed through setting
In in the rectangular through-hole 5, being equipped with several heat emission holes 6 in the baffle 4, and the heat emission hole 6 surrounds the rectangle iron core 3
It radially distributes, enameled wire group 7 is wound between the baffle 4 and the rectangle iron core 3, and between the enameled wire group 7
Mutual conduction, a 4 outermost block baffle of the baffle is interior to be equipped with conductive interface 8, and the conductive interface 8 and the enameled wire
7 conducting of group, the coil case 2 are made of casting glue 9, filled layer 10 are equipped in the casting glue 9, and the filled layer 10 wraps
It is wrapped in the enameled wire group 7, the both sides of 2 bottom end of the coil case are fixedly connected with fixed plate 11, in the fixed plate 11
It is equipped with mounting hole 12, and there are two the mounting holes 12.
Further, the casting glue 9 uses LK333 epoxy resin materials, LK333 resins to have good craftsmanship
It the features such as energy, solidfied material shiny appearance, flexibility is preferable, and shrinking percentage is low, is potted by using this kind of epoxy resin so that
The hardness of embedding adhesiveness and coil surface after solidification greatly improves, and permeability is more preferable.
Further, the filled layer 10 makees filler material using flint silica sand, makees filled layer by using flint silica sand, and
Filled layer 10 is wrapped in enameled wire group 7, it is ensured that without gap in enameled wire group 7, substantially increases the insulating properties of coil
And seal.
Further, the outside of the casting glue 9 is equipped with fire-retardant closed-loop 13, and the fire-retardant closed-loop 13 is by composite wood
Material glass fiber reinforced unsaturated polyester plastic is made, and by being equipped with fire-retardant closed-loop 13, avoids that temperature is excessively high to be made
The local melting of casting glue 9 is obtained, the safety of coil entirety is improved.
Further, the outside of the rectangle iron core 3 is equipped with cross-over block 14, and the cross-over block 14 is laminated by corrugation
Paperboard forms, and by being equipped with cross-over block 14, avoids the influence that enameled wire group 7 is leaked electricity to rectangle iron core 3, enhances line
The insulating properties of circle.
Operation principle：First, Polymer-filled is fixed in circuit by mounting hole 12, is then connect by conductive interface 8
Logical coil power, at this moment coil start-up operation；By using casting glue 9 made of LK333 epoxy resin materials, due to LK333
Resin has the features such as good processing performance, solidfied material shiny appearance, flexibility is preferable, and shrinking percentage is low, by using this kind
Epoxy resin is potted so that the hardness of embedding adhesiveness and coil surface after solidification greatly improves, and permeability is more preferable；
Make filled layer 10 by using flint silica sand, and filled layer 10 is wrapped in enameled wire group 7, which ensure that not having in enameled wire group 7
There is gap, substantially increases the insulating properties and seal of coil；By being equipped with fire-retardant closed-loop 13, avoid that temperature is excessively high to be made
The local melting of casting glue 9 is obtained, the safety of coil entirety is improved；By being equipped with cross-over block 14, enameled wire group 7 is avoided
The influence leaked electricity to rectangle iron core 3, enhances the insulating properties of coil.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of Polymer-filled, including coil rack (1), coil case (2), it is characterised in that：Coil case (2) package
Outside in the coil rack (1), the coil rack (1) is made of rectangle iron core (3) and baffle (4), and the baffle
(4) there are two pairs, the centre of the baffle (4) is equipped with rectangular through-hole (5), and rectangle iron core (3) fixation is disposed through institute
It states in rectangular through-hole (5), several heat emission holes (6) is equipped in the baffle (4), and the heat emission hole (6) surrounds the rectangle
Iron core (3) radially distributes, and enameled wire group (7) is wound between the baffle (4) and the rectangle iron core (3), and described
Mutual conduction between enameled wire group (7) is equipped with conductive interface (8) in the outermost block baffle of baffle (4), and described leads
Electrical interface (8) is connected with the enameled wire group (7), and the coil case (2) is made of casting glue (9), in the casting glue (9)
Equipped with filled layer (10), and the filled layer (10) is wrapped on the enameled wire group (7), coil case (2) bottom end
Both sides are fixedly connected with fixed plate (11), are equipped with mounting hole (12) in the fixed plate (11), and the mounting hole (12) has
Two.
2. a kind of Polymer-filled according to claim 1, it is characterised in that：The casting glue (9) uses LK333 asphalt mixtures modified by epoxy resin
Fat material.
3. a kind of Polymer-filled according to claim 1, it is characterised in that：The filled layer (10) is made using flint silica sand
Filler material.
4. a kind of Polymer-filled according to claim 1, it is characterised in that：The outside of the casting glue (9) is equipped with fire-retardant
Closed-loop (13), and the fire-retardant closed-loop (13) made by composite material glass fiber reinforced unsaturated polyester plastic and
At.
5. a kind of Polymer-filled according to claim 1, it is characterised in that：The outside of the rectangle iron core (3) is equipped with exhausted
Edge cushion block (14), and the cross-over block (14) is made by corrugation laminated paper board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307055.5A CN108597721A (en) | 2018-04-08 | 2018-04-08 | A kind of Polymer-filled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307055.5A CN108597721A (en) | 2018-04-08 | 2018-04-08 | A kind of Polymer-filled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108597721A true CN108597721A (en) | 2018-09-28 |
Family
ID=63621212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810307055.5A Pending CN108597721A (en) | 2018-04-08 | 2018-04-08 | A kind of Polymer-filled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108597721A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114203393A (en) * | 2021-12-17 | 2022-03-18 | 天长市文峰电子科技有限公司 | Transformer framework for electric vehicle charger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2442364Y (en) * | 2000-09-14 | 2001-08-08 | 上海电机(集团)公司先锋电机厂 | Insulation encapsulated coil |
| WO2011101976A1 (en) * | 2010-02-19 | 2011-08-25 | トヨタ自動車株式会社 | Electromagnetic device and production method for same |
| CN102723161A (en) * | 2012-07-09 | 2012-10-10 | 中国科学院电工研究所 | Solenoid coil of ceramic framework superconducting magnet |
| CN203596257U (en) * | 2013-11-25 | 2014-05-14 | 宿迁波尔高压电源有限公司 | Transformer winding |
| CN206877805U (en) * | 2017-05-06 | 2018-01-12 | 东莞市九源电子有限公司 | Transformer framework with heat sinking function |
| CN208368282U (en) * | 2018-04-08 | 2019-01-11 | 吴江市华安电器有限公司 | A kind of Polymer-filled |
-
2018
- 2018-04-08 CN CN201810307055.5A patent/CN108597721A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2442364Y (en) * | 2000-09-14 | 2001-08-08 | 上海电机(集团)公司先锋电机厂 | Insulation encapsulated coil |
| WO2011101976A1 (en) * | 2010-02-19 | 2011-08-25 | トヨタ自動車株式会社 | Electromagnetic device and production method for same |
| CN102723161A (en) * | 2012-07-09 | 2012-10-10 | 中国科学院电工研究所 | Solenoid coil of ceramic framework superconducting magnet |
| CN203596257U (en) * | 2013-11-25 | 2014-05-14 | 宿迁波尔高压电源有限公司 | Transformer winding |
| CN206877805U (en) * | 2017-05-06 | 2018-01-12 | 东莞市九源电子有限公司 | Transformer framework with heat sinking function |
| CN208368282U (en) * | 2018-04-08 | 2019-01-11 | 吴江市华安电器有限公司 | A kind of Polymer-filled |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114203393A (en) * | 2021-12-17 | 2022-03-18 | 天长市文峰电子科技有限公司 | Transformer framework for electric vehicle charger |
| CN114203393B (en) * | 2021-12-17 | 2024-03-22 | 天长市文峰电子科技有限公司 | Transformer skeleton for electric vehicle charger |
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