CN208368282U

CN208368282U - A kind of Polymer-filled

Info

Publication number: CN208368282U
Application number: CN201820486504.2U
Authority: CN
Inventors: 沈凯泉
Original assignee: WUJIANG HUAAN ELECTRIC APPLIANCE CO Ltd
Current assignee: WUJIANG HUAAN ELECTRIC APPLIANCE CO Ltd
Priority date: 2018-04-08
Filing date: 2018-04-08
Publication date: 2019-01-11
Anticipated expiration: 2028-04-08

Abstract

The utility model 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 release holes are equipped in the baffle, and the heat release 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 is with the features such as good insulating, permeability is high, and heat-sinking capability is strong.

Description

A kind of Polymer-filled

Technical field

The utility model relates to Coil technique field, specially a kind of Polymer-filled.

Background technique

For the globality of strengthening electronic device, the resistance to external shock, vibration is improved；Improve internal element, line It insulate between road, is conducive to device miniaturization, lightweight；It avoids element, route from directly exposing, improves waterproof, the moisture resistance of device Can, and service performance and steadiness parameter are improved, the method that people generally use encapsulating is potted processing to coil.

But there is poor insulativities for traditional Polymer-filled, encapsulating adhesiveness and hardness are lower, 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 Very big hidden danger.

So how to design a kind of Polymer-filled, becoming us will currently be solved the problems, such as.

Utility model content

The purpose of this utility model is to provide a kind of Polymer-filleds, to solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions: a kind of Polymer-filled, including coil rack, Coil case, the coil case are wrapped in the outside of the coil rack, and the coil rack is by rectangle iron core and baffle group At, and the baffle has two pairs, the centre of the baffle is equipped with rectangular through-hole, and the rectangle iron core fixation is disposed through institute It states in rectangular through-hole, several heat release holes is equipped in the baffle, and the heat release hole is radial around the rectangle iron core Distribution, is wound with enameled wire group, and mutual conduction between the enameled wire group between the baffle and the rectangle iron core, described Conductive interface is equipped in the outermost block baffle of baffle, and the conductive interface is connected with the enameled wire group, the coil Shell is made of casting glue, filled layer is equipped in the casting glue, and the filled layer is wrapped in the enameled wire group, described The two sides of coil case bottom end are fixedly connected with fixed plate, fixation hole are equipped in the fixed plate, and the fixation hole has two It is a.

Further, the casting glue uses LK333 epoxy resin material.

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 utility model has the beneficial effects that this kind of Polymer-filled passes through by using LK333 ring Casting glue made of oxygen resin material, since LK333 resin has good processing performance, solidfied material shiny appearance, flexibility Preferably, the features such as shrinking percentage is low is potted by using this kind of epoxy resin, so that encapsulating adhesiveness and coil after solidifying The hardness on surface greatly improves, and permeability is more preferable；Make filled layer by using flint silica sand, and filled layer is wrapped in enameled wire In group, it is ensured that without gap in enameled wire group, substantially increase the insulating properties and airtightness of coil；By being equipped with fire-retardant envelope Closed loop, avoids that temperature is excessively high to make the local melting of casting glue, improves 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.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the coil skeleton structure schematic diagram of the utility model；

Fig. 3 is the coil case structure sectional view of the utility model；

In figure: 1- coil rack；2- coil case；3- rectangle iron core；4- baffle；5- rectangular through-hole；6- heat release hole；7- paint Envelope curve group；8- conductive interface；9- casting glue；10- filled layer；11- fixed plate；12- fixation hole；The fire-retardant closed-loop of 13-；14- is exhausted Edge cushion block.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of Polymer-filled, including coil rack 1, line Shell 2 is enclosed, the coil case 2 is wrapped in the outside of the coil rack 1, and the coil rack 1 is by rectangle iron core 3 and gear Plate 4 forms, and the baffle 4 has two pairs, and the centre of the baffle 4 is equipped with rectangular through-hole 5, and the fixation of rectangle iron core 3 is passed through It wears and is placed in the rectangular through-hole 5, several heat release holes 6 are equipped in the baffle 4, and the heat release hole 6 surrounds the square Shape iron core 3 radially distributes, and enameled wire group 7, and the enameled wire are wound between the baffle 4 and the rectangle iron core 3 Mutual conduction between group 7, the outermost block baffle of the baffle 4 is interior to be equipped with conductive interface 8, and the conductive interface 8 and institute The conducting of enameled wire group 7 is stated, the coil case 2 is made of casting glue 9, is equipped with filled layer 10 in the casting glue 9, and described fill out It fills layer 10 to be wrapped in the enameled wire group 7, the two sides of 2 bottom end of coil case are fixedly connected with fixed plate 11, described solid Fixation hole 12 is equipped in fixed board 11, and there are two the fixation holes 12.

Further, the casting glue 9 uses LK333 epoxy resin material, and LK333 resin has 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 encapsulating adhesiveness and coil surface after solidification greatly improves, and permeability is more preferable.

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 avoiding equipped with fire-retardant closed-loop 13, 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.

Working principle: firstly, Polymer-filled is fixed in circuit by fixation hole 12, then connect by conductive interface 8 Logical coil power, at this moment coil is started to work；By using casting glue 9 made of LK333 epoxy resin material, 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 encapsulating adhesiveness and coil surface after solidifying 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 airtightness of coil；By avoiding equipped with fire-retardant closed-loop 13, 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.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of Polymer-filled, including coil rack (1), coil case (2), it is characterised in that: coil case (2) package In the outside of 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), is equipped with several heat release holes (6) in the baffle (4), and the heat release 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) and the enameled wire group (7) are connected, 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 Two sides are fixedly connected with fixed plate (11), are equipped with fixation hole (12) in the fixed plate (11), and the fixation 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 Rouge material.

3. 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.

4. 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.