CN207425570U - A kind of Cast Resin Dry-Type Transformer - Google Patents
A kind of Cast Resin Dry-Type Transformer Download PDFInfo
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- CN207425570U CN207425570U CN201721365491.5U CN201721365491U CN207425570U CN 207425570 U CN207425570 U CN 207425570U CN 201721365491 U CN201721365491 U CN 201721365491U CN 207425570 U CN207425570 U CN 207425570U
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Abstract
The utility model discloses a kind of Cast Resin Dry-Type Transformers, including transformer body, upper clamping piece and lower clamping piece, the upper clamping piece and lower clamping piece are located at transformer body top and bottom respectively, cored frame is bolted among the upper clamping piece and among lower clamping piece, several iron-core workpieces are fixedly connected in the iron core frame, low pressure winding is installed on the outside of the iron-core workpiece, it is equipped with and the corresponding high-voltage winding of low pressure winding on the outside of the low pressure winding, heat dissipating layer is removably connected between the low pressure winding and high-voltage winding, multiple-piece heat sink is evenly distributed in the heat dissipating layer, transformer lead-out wire is installed in the high-voltage winding, the high-voltage winding is by epoxy resin, external insulation layer, electromagnetic wire, inner insulating layer, it is formed with middle insulating layer.The Cast Resin Dry-Type Transformer, simple in structure, easy to make, which improves the security of transformer by the radiator structure between being equipped with high-low pressure winding and insulation system.
Description
Technical field
The utility model belongs to dry-type transformer field, and in particular to a kind of Cast Resin Dry-Type Transformer.
Background technology
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and major function has：Voltage transformation, electricity
Rheology is changed, impedance converts, isolate, voltage stabilizing etc..Transformer is the important equipment in power generation, power supply and electricity consumption enterprise, it is in power grid
In be also at extremely crucial status, be to ensure that power grid security, reliable operation and people's production and household electricity are of crucial importance
Equipment.It is divided by the type of cooling：Dry-type transformer, oil-immersed transformer etc., wherein, dry-type transformer is by cross-ventilation
It is cooled down, briefly dry-type transformer just refers to the transformer that iron core and winding are not immersed in insulating oil, is generally used for
Local lighting, electronic circuit, mechanical equipment etc..
Epoxy resin dry type transformer is using epoxy resin as insulating materials.High and low pressure winding is coiled into using copper strips (paper tinsel),
Casting epoxy resin and cure in vacuum, form high strength glass steel body structure.Current most transformer is dissipated because it exists
The shortcomings that insulation performance is bad between hot property deficiency and coil, there are larger security risks.For this purpose, a kind of it is proposed that ring
Oxygen resin casting dry-type transformer.
Utility model content
The purpose of this utility model is to provide a kind of Cast Resin Dry-Type Transformer, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides following technical solution：A kind of Cast Resin Dry-Type Transformer,
Including transformer body, upper clamping piece and lower clamping piece, the upper clamping piece and lower clamping piece are located at transformer body top and bottom respectively,
Cored frame is bolted among the upper clamping piece and among lower clamping piece, several iron are fixedly connected in the iron core frame
Core is equipped with low pressure winding on the outside of the iron-core workpiece, is equipped on the outside of the low pressure winding corresponding with low pressure winding
High-voltage winding is removably connected with heat dissipating layer, is evenly distributed in the heat dissipating layer between the low pressure winding and high-voltage winding
Multiple-piece heat sink is equipped with transformer lead-out wire in the high-voltage winding, and the high-voltage winding is by epoxy resin, external insulation
Layer, electromagnetic wire, inner insulating layer and middle insulating layer are formed, and the inner insulating layer is located at most inside, the outside peace of the inner insulating layer
Equipped with electromagnetic wire, the electromagnetic wire is filled with middle insulating layer between layers, and external insulation is equipped on the outside of the middle insulating layer
Layer, the periphery of the external insulation layer are filled with epoxy resin.
Preferably, heat sink material, the multiple-piece heat sink and heat sink material are filled with around the multiple-piece heat sink
It is non-metallic material.
Preferably, the low pressure winding is equipped with polyester film between layers.
Preferably, the iron-core workpiece surface is brushed with waterproof insulation paint.
Preferably, the low pressure winding and high-voltage winding are oval.
The technique effect and advantage of the utility model：Multiple-piece heat sink possesses great surface area, with heat sink material phase
Cooperation, can effectively conduct heat, and the design of heat dissipating layer can reduce the temperature between high-voltage winding and low pressure winding, improve and use the longevity
Life, the polyester film of low pressure winding between layers can enhance the lightning impulse resistant performance of transformer, exhausted in high-voltage winding
Edge layer can improve insulating properties, improve the security performance of device, and it is exhausted that the waterproof insulation paint on iron core surface can play good waterproof
The effect of edge, improves practical performance.The Cast Resin Dry-Type Transformer, simple in structure, easy to make, which leads to
It crosses the radiator structure being equipped between high-low pressure winding and insulation system improves the security of transformer.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of the utility model heat dissipating layer；
Fig. 3 is the structure diagram of the utility model high-voltage winding.
In figure：1 transformer body, 2 iron core frames, 3 upper clamping pieces, 4 lower clamping pieces, 5 iron-core workpieces, 6 transformer lead-out wires, 7 heat dissipations
Layer, 8 multiple-piece heat sinks, 9 low pressure windings, 10 high-voltage windings, 11 electromagnetic wires, 12 epoxy resin, 13 external insulation layers, 14 interior insulations
Insulating layer in layer, 15.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, 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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The structure diagram that -3, Fig. 1 is the utility model is please referred to Fig.1, Fig. 2 is that the structure of the utility model heat dissipating layer is shown
It is intended to, Fig. 3 is the structure diagram of the utility model high-voltage winding.A kind of Cast Resin Dry-Type Transformer, including transformation
Device body 1, upper clamping piece 3 and lower clamping piece 4, the upper clamping piece 3 and lower clamping piece 4 are located at 1 top of transformer body and bottom, institute respectively
It states among upper clamping piece 3 and cored frame 2 is bolted among lower clamping piece 4, be fixedly connected in the iron core frame 2 several
Iron-core workpiece 5,5 surface of iron-core workpiece are brushed with waterproof insulation paint, can play the effect of good waterproof insulation, improve practicability
Can, the outside of the iron-core workpiece 5 is equipped with low pressure winding 9, and the low pressure winding 9 is equipped with polyester film, enhancing between layers
The lightning impulse resistant performance of transformer, 9 outside of the low pressure winding be equipped with 9 corresponding high-voltage winding 10 of low pressure winding,
The low pressure winding 9 and high-voltage winding 10 are oval, are removably connected between the low pressure winding 9 and high-voltage winding 10
Heat dissipating layer 7 can reduce the temperature between high-voltage winding and low pressure winding, improve service life, be uniformly distributed in the heat dissipating layer 7
There is multiple-piece heat sink 8, heat sink material, the multiple-piece heat sink 8 and heat dissipation material are filled with around the multiple-piece heat sink 8
Material is non-metallic material, and multiple-piece heat sink 8 possesses great surface area, is engaged with heat sink material, can effectively conduct heat,
Transformer lead-out wire 6 is installed, the high-voltage winding 10 is by epoxy resin 12, external insulation layer 13, electricity in the high-voltage winding 10
Magnet-wire 11, inner insulating layer 14 and middle insulating layer 15 are formed, and the inner insulating layer 14 is located at most inside, can effectively improve insulation
Property, improve the security performance of device, the outside of the inner insulating layer 14 is equipped with electromagnetic wire 11,11 layers of the electromagnetic wire and layer it
Between filled with middle insulating layer 15, the outside of the middle insulating layer 15 is equipped with external insulation layer 13, the periphery of the external insulation layer 13
Filled with epoxy resin 12.The Cast Resin Dry-Type Transformer, simple in structure, easy to make, which passes through installation
There are the radiator structure between high-low pressure winding and insulation system to improve the security of transformer.
Operation principle：When the Cast Resin Dry-Type Transformer is worked, the multiple-piece heat sink 8 in heat dissipating layer 7
And heat sink material can effectively take away heat, prevent the excessively high initiation safety problem of temperature, multilayer dielectric layer rises in high-voltage winding 10
To good insulation effect, the stability that device is run is improved, the polyester film of low pressure winding 9 between layers can enhance change
The lightning impulse resistant performance of depressor.
Finally it should be noted that：The above is only the preferred embodiment of the utility model only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical solution recorded in foregoing embodiments or to which part technical characteristic
Equivalent substitution is carried out, within the spirit and principle of the utility model, any modifications, equivalent replacements and improvements are made,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of Cast Resin Dry-Type Transformer, special including transformer body (1), upper clamping piece (3) and lower clamping piece (4)
Sign is：The upper clamping piece (3) and lower clamping piece (4) are located at transformer body (1) top and bottom, the upper clamping piece (3) respectively
Cored frame (2) is bolted among intermediate and lower clamping piece (4), several iron are fixedly connected in the iron core frame (2)
Core (5) is equipped with low pressure winding (9) on the outside of the iron-core workpiece (5), is equipped on the outside of the low pressure winding (9) and low pressure
Winding (9) corresponding high-voltage winding (10) is removably connected with heat dissipation between the low pressure winding (9) and high-voltage winding (10)
Layer (7), the heat dissipating layer (7) is interior to be evenly distributed with multiple-piece heat sink (8), and transformer is equipped on the high-voltage winding (10)
Lead-out wire (6), the high-voltage winding (10) is by epoxy resin (12), external insulation layer (13), electromagnetic wire (11), inner insulating layer
(14) formed with middle insulating layer (15), the inner insulating layer (14) is located at most inside, the outside installation of the inner insulating layer (14)
Have an electromagnetic wire (11), the electromagnetic wire (11) between layers filled with middle insulating layer (15), the middle insulating layer (15) it is outer
Side is equipped with external insulation layer (13), and the periphery of the external insulation layer (13) is filled with epoxy resin (12).
2. a kind of Cast Resin Dry-Type Transformer according to claim 1, it is characterised in that：The multiple-piece heat dissipation
Filled with heat sink material around plate (8), the multiple-piece heat sink (8) and heat sink material are non-metallic material.
3. a kind of Cast Resin Dry-Type Transformer according to claim 1, it is characterised in that：The low pressure winding
(9) polyester film is equipped between layers.
4. a kind of Cast Resin Dry-Type Transformer according to claim 1, it is characterised in that：The iron-core workpiece (5)
Surface is brushed with waterproof insulation paint.
5. a kind of Cast Resin Dry-Type Transformer according to claim 1, it is characterised in that：The low pressure winding
(9) and high-voltage winding (10) is oval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721365491.5U CN207425570U (en) | 2017-10-23 | 2017-10-23 | A kind of Cast Resin Dry-Type Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721365491.5U CN207425570U (en) | 2017-10-23 | 2017-10-23 | A kind of Cast Resin Dry-Type Transformer |
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| Publication Number | Publication Date |
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| CN207425570U true CN207425570U (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721365491.5U Active CN207425570U (en) | 2017-10-23 | 2017-10-23 | A kind of Cast Resin Dry-Type Transformer |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711493A (en) * | 2018-08-13 | 2018-10-26 | 浙江派尔电气有限公司 | A kind of novel dry type transformer coil structure |
| CN110164667A (en) * | 2019-05-23 | 2019-08-23 | 安徽皖翔电力设备有限公司 | A kind of dry-type transformer convenient for heat dissipation |
| CN113871171A (en) * | 2021-09-14 | 2021-12-31 | 江苏志博电气有限公司 | High-efficient radiating dry-type transformer |
-
2017
- 2017-10-23 CN CN201721365491.5U patent/CN207425570U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711493A (en) * | 2018-08-13 | 2018-10-26 | 浙江派尔电气有限公司 | A kind of novel dry type transformer coil structure |
| CN110164667A (en) * | 2019-05-23 | 2019-08-23 | 安徽皖翔电力设备有限公司 | A kind of dry-type transformer convenient for heat dissipation |
| CN110164667B (en) * | 2019-05-23 | 2021-07-02 | 安徽皖翔电力设备有限公司 | Dry-type transformer convenient to heat dissipation |
| CN113871171A (en) * | 2021-09-14 | 2021-12-31 | 江苏志博电气有限公司 | High-efficient radiating dry-type transformer |
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