CN107195431A - A kind of transformer with heat conducting coating and a kind of preparation method of heat conducting coating - Google Patents
A kind of transformer with heat conducting coating and a kind of preparation method of heat conducting coating Download PDFInfo
- Publication number
- CN107195431A CN107195431A CN201710616139.2A CN201710616139A CN107195431A CN 107195431 A CN107195431 A CN 107195431A CN 201710616139 A CN201710616139 A CN 201710616139A CN 107195431 A CN107195431 A CN 107195431A
- Authority
- CN
- China
- Prior art keywords
- metal nanoparticle
- particle diameter
- heat conducting
- conducting coating
- transformer
- 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
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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
- H01F27/02—Casings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/281—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polyimides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
-
- 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
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0831—Gold
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Laminated Bodies (AREA)
Abstract
The invention provides a kind of transformer with heat conducting coating and a kind of preparation method of heat conducting coating.The transformer with heat conducting coating includes casing, it is positioned over the transformer in casing, heat conducting coating is respectively provided with six surfaces of casing, the heat conducting coating includes being sequentially laminated on the first polyetherimide amine layer containing the first metal nanoparticle of tank surface, the second polyetherimide amine layer containing the second metal nanoparticle and the layer of the 3rd PEI containing trimetal nanoparticles, wherein the first polyetherimide amine layer is directly contacted with tank surface, the particle diameter of first metal nanoparticle is more than the particle diameter of the second metal nanoparticle, the particle diameter of second metal nanoparticle is more than the particle diameter of trimetal nanoparticles.The present invention is by the tank surface formation heat conducting coating in carrying transformer, with excellent heat dispersion, it is ensured that the safe handling of transformer.
Description
Technical field
The present invention relates to transformer technology field, and in particular to a kind of transformer with heat conducting coating and a kind of heat conduction are applied
The preparation method of layer.
Background technology
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary
Level coil and iron core（Magnetic core）.Major function has：Voltage transformation, current transformation, impedance conversion, isolation, voltage stabilizing（Magnetic saturation transformation
Device）Deng.It can be divided into, according to use,：Power transformer and special transformer.And transformer is operationally, the electronic component in it is easy
Heating, and transformer is a kind of machine of continuous firing, so working long hours can cause electronic component to produce substantial amounts of heat,
If the heat that transformer is produced is not handled, electronic component can be caused to overheat and damage so that transformer cisco unity malfunction, meeting
Cause a range of electricity consumption resident to power off, it is also possible to form fire, economic loss can be caused and brought very for resident living
Big influence.And existing transformer is cooled frequently with the mode of water cooling, although cooling rate is fast, but danger coefficient is high,
It should not adopt.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art there is provided a kind of transformer with heat conducting coating and one
Plant the preparation method of heat conducting coating.The present invention is by the tank surface formation heat conducting coating in carrying transformer, with excellent
Heat dispersion, it is ensured that the safe handling of transformer.
To achieve the above object, a kind of transformer with heat conducting coating proposed by the present invention, it is described that there is heat conducting coating
Transformer include casing, be positioned over the transformer in casing, heat conducting coating, the heat conduction be respectively provided with six surfaces of casing
Coating includes being sequentially laminated on the first polyetherimide amine layer containing the first metal nanoparticle of tank surface, containing the second gold medal
Second polyetherimide amine layer of metal nano-particle and the 3rd PEI layer containing trimetal nanoparticles, wherein the
One polyetherimide amine layer is directly contacted with tank surface, and the particle diameter of the first metal nanoparticle is more than the second metal nanoparticle
Particle diameter, the particle diameter of the second metal nanoparticle is more than the particle diameter of trimetal nanoparticles.
Preferably, the material of the casing is one kind in aluminium, stainless steel, copper, iron.
Preferably, the material of first, second, third metal nanoparticle is one in gold, silver, copper, nickel, cobalt
Kind, the particle diameter of first metal nanoparticle is 200-500 nanometers, and the particle diameter of second metal nanoparticle is 100-
200 nanometers, the particle diameter of the trimetal nanoparticles is 10-100 nanometers.
Preferably, the thickness of the first, second, third polyetherimide amine layer is 50-200 microns.
Preferably, the material of first, second, third metal nanoparticle is gold, first metal nano
The particle diameter of grain is 400 nanometers, and the particle diameter of second metal nanoparticle is 150 nanometers, the trimetal nanoparticles
Particle diameter is 50 nanometers.
The invention also provides a kind of preparation method of heat conducting coating, it comprises the following steps：
（1）Prepare particle size different the first metal nanoparticle, the second metal nanoparticle and tri-metal nano
Grain, wherein the particle diameter of the first metal nanoparticle is more than the particle diameter of the second metal nanoparticle, the grain of the second metal nanoparticle
Footpath is more than the particle diameter of trimetal nanoparticles；
（2）First, second, third described metal nanoparticle is added separately in PEI masterbatch, passes through double spiral shells
Bar extrusion machines and forms the PEI pellet containing the first metal nanoparticle, contains the second metal nanoparticle
PEI pellet and the PEI pellet containing trimetal nanoparticles；
（3）Polyethers acyl containing the first metal nanoparticle is sprayed on the surface of the casing of transformer by hot-spraying technique successively
Imines pellet, the PEI pellet containing the second metal nanoparticle and the polyethers acyl containing trimetal nanoparticles
Imines pellet, to form heat conducting coating.
Beneficial effects of the present invention are as follows：The present invention is led by the tank surface formation heat conducting coating in carrying transformer
Metal nanoparticle particle diameter in the prominent coating of heat close to the polyetherimide amine layer of tank surface is larger, excellent thermal conductivity, with
Away from tank surface, the metal nanoparticle particle diameter in polyetherimide amine layer is tapered into, and is ensureing that it is excellent that thermal dispersant coatings have
While heat sinking function, outside polyetherimide amine layer has the less metal nanoparticle of particle diameter, effectively prevents PEI
The cracking of layer and stripping, improve the steadiness of polyetherimide amine layer.
Brief description of the drawings
Fig. 1 is the structural representation of the transformer with heat conducting coating of the present invention；
Fig. 2 is the structural representation of the heat conducting coating of the present invention.
Embodiment
It is described that there is heat conduction to apply present invention firstly provides a kind of transformer with heat conducting coating referring to Fig. 1 to Fig. 2
The transformer of layer includes casing 1, is positioned over the transformer 2 in casing 1, heat conducting coating 3, institute are respectively provided with six surfaces of casing
Stating heat conducting coating 3 includes being sequentially laminated on the first polyetherimide amine layer containing the first metal nanoparticle 311 of tank surface
31st, the second polyetherimide amine layer 32 containing the second metal nanoparticle 321 and containing trimetal nanoparticles 331
Three PEIs layer 33, wherein the first polyetherimide amine layer 31 is directly contacted with the surface of casing 1, the first metal nanoparticle
311 particle diameter is more than the particle diameter of the second metal nanoparticle 321, and the particle diameter of the second metal nanoparticle 321 is more than the 3rd metal
The particle diameter of nano particle 331.The material of the casing is one kind in aluminium, stainless steel, copper, iron.Described first, second, third
The material of metal nanoparticle is one kind in gold, silver, copper, nickel, cobalt, and the particle diameter of first metal nanoparticle is 200-
500 nanometers, the particle diameter of second metal nanoparticle is 100-200 nanometers, and the particle diameter of the trimetal nanoparticles is
10-100 nanometers.The thickness of the first, second, third polyetherimide amine layer is 50-200 microns.
The invention also provides a kind of preparation method of heat conducting coating, it comprises the following steps：
（1）Prepare particle size different the first metal nanoparticle 311, the second metal nanoparticle 321 and the 3rd metal
Nano particle 331, wherein the particle diameter of the first metal nanoparticle 311 is more than the particle diameter of the second metal nanoparticle 321, the second gold medal
The particle diameter of metal nano-particle 321 is more than the particle diameter of trimetal nanoparticles 331；
（2）First, second, third described metal nanoparticle is added separately in PEI masterbatch, passes through double spiral shells
Bar extrusion machines and forms the PEI pellet containing the first metal nanoparticle, contains the second metal nanoparticle
PEI pellet and the PEI pellet containing trimetal nanoparticles.
（3）Sprayed successively on the surface of the casing of transformer by hot-spraying technique poly- containing the first metal nanoparticle
Etherimide pellet, the PEI pellet containing the second metal nanoparticle and gathering containing trimetal nanoparticles
Etherimide pellet, to form heat conducting coating 3.
Embodiment 1：
It is described with heat conducting coating present invention firstly provides a kind of transformer with heat conducting coating referring to Fig. 1 to Fig. 2
Transformer includes casing 1, is positioned over the transformer 2 in casing 1, heat conducting coating 3 is respectively provided with six surfaces of casing, described to lead
Hot coating 3 includes being sequentially laminated on the first polyetherimide amine layer 31 containing the first metal nanoparticle 311 of tank surface, contained
There are the second polyetherimide amine layer 32 and the trimerization containing trimetal nanoparticles 331 of the second metal nanoparticle 321
Etherimide layer 33, wherein the first polyetherimide amine layer 31 is directly contacted with the surface of casing 1, the first metal nanoparticle 311
Particle diameter is more than the particle diameter of the second metal nanoparticle 321, and the particle diameter of the second metal nanoparticle 321 is more than tri-metal nano
The particle diameter of grain 331.The material of the casing 1 is aluminium.The material of first, second, third metal nanoparticle is gold, described
The particle diameter of first metal nanoparticle is 400 nanometers, and the particle diameter of second metal nanoparticle is 150 nanometers, the described 3rd
The particle diameter of metal nanoparticle is 50 nanometers.The thickness of the first, second, third polyetherimide amine layer is 100 microns.
Embodiment 2：
It is described with heat conducting coating present invention firstly provides a kind of transformer with heat conducting coating referring to Fig. 1 to Fig. 2
Transformer includes casing 1, is positioned over the transformer 2 in casing 1, heat conducting coating 3 is respectively provided with six surfaces of casing, described to lead
Hot coating 3 includes being sequentially laminated on the first polyetherimide amine layer 31 containing the first metal nanoparticle 311 of tank surface, contained
There are the second polyetherimide amine layer 32 and the trimerization containing trimetal nanoparticles 331 of the second metal nanoparticle 321
Etherimide layer 33, wherein the first polyetherimide amine layer 31 is directly contacted with the surface of casing 1, the first metal nanoparticle 311
Particle diameter is more than the particle diameter of the second metal nanoparticle 321, and the particle diameter of the second metal nanoparticle 321 is more than tri-metal nano
The particle diameter of grain 331.The material of the casing is stainless steel.The material of first, second, third metal nanoparticle is silver,
The particle diameter of first metal nanoparticle is 300 nanometers, and the particle diameter of second metal nanoparticle is 180 nanometers, described
The particle diameter of trimetal nanoparticles is 30 nanometers.The thickness of the first, second, third polyetherimide amine layer is 150 microns.
The present invention in the tank surface of carrying transformer by forming in heat conducting coating, the prominent coating of heat conduction close to tank surface
Polyetherimide amine layer metal nanoparticle particle diameter it is larger, excellent thermal conductivity, with away from tank surface, PEI
Metal nanoparticle particle diameter in layer is tapered into, while ensureing that thermal dispersant coatings have excellent heat sinking function, outside polyethers
Imide layer has the less metal nanoparticle of particle diameter, effectively prevents cracking and the stripping of polyetherimide amine layer, improves
The steadiness of polyetherimide amine layer.
Finally it should be noted that：Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and simultaneously
The non-restriction to embodiment.For those of ordinary skill in the field, it can also do on the basis of the above description
Go out other various forms of changes or variation.There is no necessity and possibility to exhaust all the enbodiments.And thus drawn
Among the obvious changes or variations that Shen goes out is still in protection scope of the present invention.
Claims (6)
1. a kind of transformer with heat conducting coating, it is characterised in that：The transformer with heat conducting coating includes casing, puts
The transformer being placed in casing, heat conducting coating is respectively provided with six surfaces of casing, and the heat conducting coating includes being sequentially laminated on
The first polyetherimide amine layer containing the first metal nanoparticle of tank surface, second containing the second metal nanoparticle gather
Etherimide layer and the 3rd PEI layer containing trimetal nanoparticles, wherein the first polyetherimide amine layer and case
Body surface face is directly contacted, and the particle diameter of the first metal nanoparticle is more than the particle diameter of the second metal nanoparticle, the second metal nano
The particle diameter of particle is more than the particle diameter of trimetal nanoparticles.
2. the transformer according to claim 1 with heat conducting coating, it is characterised in that：The material of the casing be aluminium,
One kind in stainless steel, copper, iron.
3. the transformer according to claim 1 with heat conducting coating, it is characterised in that：First, second, third gold medal
The material of metal nano-particle is one kind in gold, silver, copper, nickel, cobalt, and the particle diameter of first metal nanoparticle is 200-500
Nanometer, the particle diameter of second metal nanoparticle is 100-200 nanometers, and the particle diameter of the trimetal nanoparticles is 10-
100 nanometers.
4. the transformer according to claim 3 with heat conducting coating, it is characterised in that：Described first, second, third
The thickness of polyetherimide amine layer is 50-200 microns.
5. the transformer according to claim 3 with heat conducting coating, it is characterised in that：First, second, third gold medal
The material of metal nano-particle is gold, and the particle diameter of first metal nanoparticle is 400 nanometers, second metal nanoparticle
Particle diameter be 150 nanometers, the particle diameters of the trimetal nanoparticles is 50 nanometers.
6. a kind of preparation method of heat conducting coating, it is characterised in that：It comprises the following steps：
（1）Prepare particle size different the first metal nanoparticle, the second metal nanoparticle and tri-metal nano
Grain, wherein the particle diameter of the first metal nanoparticle is more than the particle diameter of the second metal nanoparticle, the grain of the second metal nanoparticle
Footpath is more than the particle diameter of trimetal nanoparticles；
（2）First, second, third described metal nanoparticle is added separately in PEI masterbatch, passes through double spiral shells
Bar extrusion machines and forms the PEI pellet containing the first metal nanoparticle, contains the second metal nanoparticle
PEI pellet and the PEI pellet containing trimetal nanoparticles；
（3）Polyethers acyl containing the first metal nanoparticle is sprayed on the surface of the casing of transformer by hot-spraying technique successively
Imines pellet, the PEI pellet containing the second metal nanoparticle and the polyethers acyl containing trimetal nanoparticles
Imines pellet, to form heat conducting coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616139.2A CN107195431A (en) | 2017-07-26 | 2017-07-26 | A kind of transformer with heat conducting coating and a kind of preparation method of heat conducting coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710616139.2A CN107195431A (en) | 2017-07-26 | 2017-07-26 | A kind of transformer with heat conducting coating and a kind of preparation method of heat conducting coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107195431A true CN107195431A (en) | 2017-09-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710616139.2A Pending CN107195431A (en) | 2017-07-26 | 2017-07-26 | A kind of transformer with heat conducting coating and a kind of preparation method of heat conducting coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107195431A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066595A (en) * | 2019-03-22 | 2019-07-30 | 嘉兴科联信新材料有限公司 | A kind of modified polyimide lubrication application composition, solid lubricant coating and its application |
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| US20060194070A1 (en) * | 2005-02-25 | 2006-08-31 | Joshua Croll | Polyetherimide film and multilayer structure |
| CN102947688A (en) * | 2010-05-28 | 2013-02-27 | 国立大学法人东京工业大学 | Metal microparticle composite and method for producing same |
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2017
- 2017-07-26 CN CN201710616139.2A patent/CN107195431A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060194070A1 (en) * | 2005-02-25 | 2006-08-31 | Joshua Croll | Polyetherimide film and multilayer structure |
| CN102947688A (en) * | 2010-05-28 | 2013-02-27 | 国立大学法人东京工业大学 | Metal microparticle composite and method for producing same |
| CN105017562A (en) * | 2010-08-09 | 2015-11-04 | 新日铁住金化学株式会社 | Process for producing metal nanoparticle composite |
| CN106783034A (en) * | 2017-02-22 | 2017-05-31 | 江苏宝亨新电气有限公司 | A kind of radiating device of oil-immersed transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066595A (en) * | 2019-03-22 | 2019-07-30 | 嘉兴科联信新材料有限公司 | A kind of modified polyimide lubrication application composition, solid lubricant coating and its application |
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Application publication date: 20170922 |
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