CN110211774A - Transformer aluminium alloy gilled radiator and its production technology - Google Patents
Transformer aluminium alloy gilled radiator and its production technology Download PDFInfo
- Publication number
- CN110211774A CN110211774A CN201910520869.1A CN201910520869A CN110211774A CN 110211774 A CN110211774 A CN 110211774A CN 201910520869 A CN201910520869 A CN 201910520869A CN 110211774 A CN110211774 A CN 110211774A
- Authority
- CN
- China
- Prior art keywords
- aluminium alloy
- radiator
- pipe
- paint
- gilled radiator
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
- B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/586—No clear coat specified each layer being cured, at least partially, separately
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
Abstract
The invention discloses a kind of production technologies of aluminium alloy gilled radiator, and gilled radiator is made in aluminum alloy coiled materials and aluminum pipe, and then by cleaning, gilled radiator finished product is made in spray painting and gas pressure test.A kind of transformer aluminium alloy gilled radiator, is made up of above-mentioned technique.By the above-mentioned means, the production technology of aluminium alloy gilled radiator of the present invention, it can be by the gilled radiator of aluminium alloy production department good heat dispersion performance, manufacturing cost is low, and using effect is good.
Description
Technical field
The present invention relates to gilled radiator fields, more particularly to a kind of transformer aluminium alloy gilled radiator and its life
Production. art.
Background technique
With the rapid development of social economy, the power industry in China is also going from strength to strength.Transformer is in power industry
Essential power equipment.Oil-immersed transformer is a kind of transformer wide used in various transformers.It is existing
Oil-immersed transformer is equipped with gilled radiator, to guarantee the normal operation of transformer.Existing gilled radiator is usually
It is made by carbon steel, gilled radiator heat-conducting effect made of carbon steel is general, and cost is excessively high, and efficiency is not high instead, seriously
Influence the economic benefit of enterprise.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of transformer aluminium alloy gilled radiator and its production works
Skill, can be by the gilled radiator of aluminium alloy production department good heat dispersion performance, and manufacturing cost is low, and using effect is good.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of transformer aluminium alloy is provided
The production technology of gilled radiator, which comprises the following steps:
A. by aluminum alloy coiled materials on slitting cutting machine slitting sawing sheet, be then fed into roll forming in roller head machine, then will
The aluminum alloy coiled materials of roll forming carry out multi-point welding into aluminum alloy heat sink, and wherein air pressure is 0.3-0.7Mpa, and point is away from for 60-
70mm, electric current 500-700A, voltage 4-6V, Spot size 5-6mm, then the both sides of aluminum alloy heat sink are stitched
Weldering, wherein air pressure be 0.25-0.35Mpa, electric current 110-130A, voltage 5-6V, speed 2200-2500mm/min, from
Dynamic cutting edge, end trimming carry out monolithic pressure testing test after removing flash removed, pass through 0.1MPa-0.2MPa's in monolithic pressure testing test
Pass through 3-8min under air pressure, needs monolithic ne-leakage without deformation, during test, after air pressure is added to specified value, sinking to has
In the water of corrosion inhibiter, the air brought into is excluded, is allowed to rest for after a certain period of time, having examined bubble-free generation；
B. seamless Al-alloy pipe is subjected to pipe cutting and aperture, aluminium alloy oil collecting pipe sandblasting, by aluminium-alloy pipe and aluminium alloy oil collecting pipe
Piece welding, the welding of aluminium rear seal-cover, the welding of oil-collecting pipe fittings；
C. the step a monolithic obtained and the b pipe fitting obtained are welded by gas shielded arc welding, aluminum alloy heat sink is welded
It connects on pipe fitting, wherein welding current 110-120A, voltage are -1.1V ± 3V, are cut off on automatic steel bar shears
Processing, then gas shielded arc welding welds aluminum reinforcing rib, cleans and checks in pipe, flange welding sealing, removal surface hair
Thorn carries out the leak detection of first time whole group, carries out second of whole group leak detection after shotblasting processing, finally removes internal sundries；
D. aluminium alloy chip lumen of radiator is cleaned by kerosene, then carries out spray painting processing, aluminum alloy sheet dissipates inner cavity
And whether external japanning can paint depending on customer requirement, inner cavity and piece dissipate surface and can not also make paint processing, if you need to
What inner cavity and surface were painted, priming paint is first poured, spray painting, drying to be painted then are repaired, inner wall carries out filling paint processing, standing control
Paint, then intermediate coat showering, drying to be painted, then finishing coat showering, drying to be painted, flange face cleaning repair, paint, flange
Face cleaning repairs, paints；
E. inner cavity pressure maintaining test is carried out, gilled radiator should last 15-20min, test through the gas pressure test of 0.1-0.2Mpa
Cheng Zhong after air pressure is added to specified value, is sunk in the Rinsing Area with corrosion inhibiter, is allowed to rest for after a certain period of time, examining
There is bubble-free generation, the keypoint part of observation is each weld, and radiator answers the secondary submerged in positive and negative to examine no infiltration
Then leakage is rinsed by hot oil, flushing process should carry out discontinuously, every flushing 10-15min, stops 3-5min, magnetism when interruption
For collection method cleaning nylon mesh bag until being then considered as qualification without any different sundries in filter screen, defect elimination, exfactory inspection are painted in surface
Finally pack.
In a preferred embodiment of the present invention, part all in the above-mentioned steps is made up of aluminium alloy.
In a preferred embodiment of the present invention, in the step c radiator upper and lower connecting leg end surface or pipe fitting method
Orchid should in the same plane, and flatness should be no more than 1mm, and radiator upper, lower tube joint flange and pipe perpendicularity deviation≤
3mm。
In a preferred embodiment of the present invention, the radiator center is away from A or A1 deviation 0~+2, radiator edge
Maximum protrusion should be not more than 3 mm, radiator distance between commutator segments deviation ± 1.0mm.
In a preferred embodiment of the present invention, paint passes through natural air drying or drying, drying temperature in the step d
It is 70-85 DEG C, time 4-5 hour, external coating paint film thickness should reach 90 μm or more, and glossiness reaches 70 or more, dissipates
The outer surface japanning of hot device should meet the requirement of use environment, and all surfaces that need to be painted should remove iron rust, grease stain etc., and paint film should be equal
It is even, secured, glossy, without decortication, bubble, current mark, hang paint, paint tumor, not show-through paint.
In a preferred embodiment of the present invention, the mesh number of the nylon mesh bag in the step e is 300 mesh.
A kind of transformer aluminium alloy gilled radiator, pass through the production technology system of above-mentioned aluminium alloy gilled radiator
It is standby to form, it is the oil inlet pipe, fuel-displaced including oil inlet pipe, flowline and the cooling fin being welded between oil inlet pipe and flowline
Pipe and cooling fin are aluminum alloy materials.
The beneficial effects of the present invention are: transformer of the present invention aluminium alloy gilled radiator and its production technology, Neng Goutong
The gilled radiator of aluminium alloy production department good heat dispersion performance is crossed, manufacturing cost is low, and using effect is good.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the structural schematic diagram of one preferred embodiment of transformer aluminium alloy gilled radiator of the present invention；
The components in the drawings are labeled as follows: 1, oil inlet pipe, 2, flowline, 3, cooling fin.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
A kind of production technology of transformer aluminium alloy gilled radiator, comprising the following steps:
A. by aluminum alloy coiled materials on slitting cutting machine slitting sawing sheet, be then fed into roll forming in roller head machine, then will
The aluminum alloy coiled materials of roll forming carry out multi-point welding into aluminum alloy heat sink, and bond pad locations are corresponding to be distributed in an aluminum alloy coiled materials left side
Right two sides, wherein air pressure is 0.3-0.7Mpa, and point is away from for 60-70mm, electric current 500-700A, voltage 4-6V, Spot size
For 5-6mm, then the both sides of aluminum alloy heat sink carry out seam weld, and wherein air pressure is 0.25-0.35Mpa, electric current 110-130A,
Voltage is 5-6V, speed 2200-2500mm/min, automatic cutting edge, end trimming, carries out monolithic pressure testing examination after removing flash removed
It tests, by passing through 3-8min, preferably 0.15MPa under the air pressure of 0.1MPa-0.25MPa in monolithic pressure testing test, the time is
5min needs monolithic ne-leakage without deformation, during test, after air pressure is added to specified value, sinks in the water with corrosion inhibiter,
It is suitably rocked, excludes the air brought into, be allowed to rest for after a certain period of time, having examined bubble-free generation；
B. seamless Al-alloy pipe is subjected to pipe cutting and aperture, aluminium alloy oil collecting pipe sandblasting, by aluminium-alloy pipe and aluminium alloy oil collecting pipe
Piece welding, the welding of aluminium rear seal-cover, the welding of oil-collecting pipe fittings；
C. the step a monolithic obtained and the b pipe fitting obtained are welded by gas shielded arc welding, aluminum alloy heat sink is welded
It connects on pipe fitting, wherein welding current 110-120A, voltage are -1.1V ± 3V, are cut off on automatic steel bar shears
Processing, then gas shielded arc welding welds reinforcing rib, cleans and checks in pipe, and flange welding sealing removes surface spikes, into
The leak detection of row first time whole group, carries out second of whole group leak detection after shotblasting processing, finally removes internal sundries, radiator
Upper and lower connecting leg end surface or pipe coupling flange should in the same plane, and flatness should be no more than 1mm, and radiator upper, lower tube connects
Head flange and pipe perpendicularity deviation≤3mm；
D. aluminium alloy chip lumen of radiator is cleaned by kerosene, then carries out spray painting processing, first pours priming paint, then
Spray painting, drying to be painted are repaired, inner wall carries out filling paint and handles, standing control paint, then intermediate coat showering, drying to be painted, then
Finishing coat showering, drying to be painted, flange face cleaning repair, paint, and flange face cleaning reparation, spray painting, paint pass through natural air drying
Or drying, drying temperature are 70-85 DEG C, preferably 80 DEG C, time 4-5 hour, external coating paint film thickness should reach
90 μm or more, glossiness reaches 70 or more, and the outer surface japanning of radiator should meet the requirement of use environment, all tables that need to be painted
Face should remove iron rust, grease stain etc., paint film answer it is uniform, secured, glossy, without decortication, bubble, current mark, hang paint, paint tumor, not show-through
Paint；
E. pressure maintaining test is carried out, gilled radiator should last 20-30min, preferably through the gas pressure test of 0.1-0.2Mpa
0.15Mpa, time 20min during test, after air pressure is added to specified value, are sunk in the Rinsing Area with corrosion inhibiter, warp
It suitably rocks, excludes the air brought into, be allowed to rest for after a certain period of time, having examined bubble-free generation, the emphasis portion of observation
Position is each weld, and radiator answers the secondary submerged in positive and negative to examine ne-leakage, is then rinsed by hot oil, is rinsed
Process should be carried out discontinuously, every flushing 10-15min, stop 3-5min, usually flushing 15min, stop 3min, magnetic when interruption
Property collect method cleaning nylon mesh bag until without any different sundries being then considered as qualification in filter screen, the mesh number of nylon mesh bag is
Defect elimination is painted on 300 mesh, surface, and exfactory inspection is finally packed.
All parts are made up of aluminium alloy in above-mentioned steps.
A kind of transformer aluminium alloy gilled radiator, is prepared by above-mentioned production technology.Including oil inlet pipe 1, go out
Oil pipe 2 and the cooling fin 3 being welded between oil inlet pipe 1 and flowline 2, oil inlet pipe 1, flowline 2 and cooling fin 3 are that aluminium closes
Golden material.
Radiator center should be not more than 3 mm, radiator fin away from A or A1 deviation 0~+2, the maximum protrusion at radiator edge
Between range deviation ± 1.0mm.
It is different from the prior art, the production technology of aluminium alloy gilled radiator of the present invention can pass through aluminium alloy production department
The gilled radiator of good heat dispersion performance, manufacturing cost is low, and using effect is good.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (7)
1. a kind of transformer production technology of aluminium alloy gilled radiator, which comprises the following steps:
A. by aluminum alloy coiled materials on slitting cutting machine slitting sawing sheet, be then fed into roll forming in roller head machine, then will
The aluminum alloy coiled materials of roll forming carry out multi-point welding into aluminum alloy heat sink, and wherein air pressure is 0.3-0.7Mpa, and point is away from for 60-
70mm, electric current 500-700A, voltage 4-6V, Spot size 5-6mm, then the both sides of aluminum alloy heat sink are stitched
Weldering, wherein air pressure be 0.25-0.35Mpa, electric current 110-130A, voltage 5-6V, speed 2200-2500mm/min, from
Dynamic cutting edge, end trimming carry out monolithic pressure testing test after removing flash removed, pass through 0.1MPa-0.2MPa's in monolithic pressure testing test
Pass through 3-8min under air pressure, needs monolithic ne-leakage without deformation, during test, after air pressure is added to specified value, sinking to has
In the water of corrosion inhibiter, the air brought into is excluded, is allowed to rest for after a certain period of time, having examined bubble-free generation；
B. seamless Al-alloy pipe is subjected to pipe cutting and aperture, aluminium alloy oil collecting pipe sandblasting, by aluminium-alloy pipe and aluminium alloy oil collecting pipe
Piece welding, the welding of aluminium rear seal-cover, the welding of oil-collecting pipe fittings；
C. the step a monolithic obtained and the b pipe fitting obtained are welded by gas shielded arc welding, aluminum alloy heat sink is welded
It connects on pipe fitting, wherein welding current 110-120A, voltage are -1.1V ± 3V, are cut off on automatic steel bar shears
Processing, then gas shielded arc welding welds aluminum reinforcing rib, cleans and checks in pipe, flange welding sealing, removal surface hair
Thorn carries out the leak detection of first time whole group, carries out second of whole group leak detection after shotblasting processing, finally removes internal sundries；
D. aluminium alloy chip lumen of radiator is cleaned by kerosene, then carries out spray painting processing, aluminum alloy sheet dissipates inner cavity
And whether external japanning can paint depending on customer requirement, inner cavity and piece dissipate surface and can not also make paint processing, if you need to
What inner cavity and surface were painted, priming paint is first poured, spray painting, drying to be painted then are repaired, inner wall carries out filling paint processing, standing control
Paint, then intermediate coat showering, drying to be painted, then finishing coat showering, drying to be painted, flange face cleaning repair, paint, flange
Face cleaning repairs, paints；
E. inner cavity pressure maintaining test is carried out, gilled radiator should last 15-20min, test through the gas pressure test of 0.1-0.2Mpa
Cheng Zhong after air pressure is added to specified value, is sunk in the Rinsing Area with corrosion inhibiter, is allowed to rest for after a certain period of time, examining
There is bubble-free generation, the keypoint part of observation is each weld, and radiator answers the secondary submerged in positive and negative to examine no infiltration
Then leakage is rinsed by hot oil, flushing process should carry out discontinuously, every flushing 10-15min, stops 3-5min, magnetism when interruption
For collection method cleaning nylon mesh bag until being then considered as qualification without any different sundries in filter screen, defect elimination, exfactory inspection are painted in surface
Finally pack.
2. transformer according to claim 1 aluminium alloy gilled radiator, which is characterized in that institute in the above-mentioned steps
Some parts are made up of aluminium alloy.
3. transformer according to claim 2 aluminium alloy gilled radiator, which is characterized in that radiate in the step c
The upper and lower connecting leg end surface or pipe coupling flange of device should in the same plane, and flatness should be no more than 1mm, and radiator is upper and lower
Pipe coupling flange and pipe perpendicularity deviation≤3mm.
4. transformer according to claim 2 aluminium alloy gilled radiator, which is characterized in that the radiator center away from
The maximum protrusion of A or A1 deviation 0~+2, radiator edge should be not more than 3 mm, radiator distance between commutator segments deviation ± 1.0mm.
5. transformer according to claim 2 aluminium alloy gilled radiator, which is characterized in that painted in the step d
By natural air drying or drying, drying temperature is 70-85 DEG C, and time 4-5 hour, external coating paint film thickness should reach
90 μm or more, glossiness reaches 70 or more, and the outer surface japanning of radiator should meet the requirement of use environment, all tables that need to be painted
Face should remove impurity, grease stain etc., paint film answer it is uniform, secured, glossy, without decortication, bubble, current mark, hang paint, paint tumor, not show-through
Paint.
6. transformer according to claim 2 aluminium alloy gilled radiator, which is characterized in that the Buddhist nun in the step e
The mesh number of imperial filter bag is 300 mesh.
7. a kind of transformer aluminium alloy gilled radiator, which is characterized in that pass through any aluminium alloy of claim 1-6
The production technology of gilled radiator is prepared, and including oil inlet pipe, flowline and is welded between oil inlet pipe and flowline
Cooling fin, the oil inlet pipe, flowline and cooling fin are aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910520869.1A CN110211774B (en) | 2019-06-17 | 2019-06-17 | Aluminum alloy finned radiator for transformer and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910520869.1A CN110211774B (en) | 2019-06-17 | 2019-06-17 | Aluminum alloy finned radiator for transformer and production process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110211774A true CN110211774A (en) | 2019-09-06 |
| CN110211774B CN110211774B (en) | 2021-10-01 |
Family
ID=67792965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910520869.1A Active CN110211774B (en) | 2019-06-17 | 2019-06-17 | Aluminum alloy finned radiator for transformer and production process thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN110211774B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319533A (en) * | 2021-06-07 | 2021-08-31 | 楚岳(惠州)热传科技有限公司 | Preparation process of radiator assembly for server |
| CN113782307A (en) * | 2021-08-18 | 2021-12-10 | 湖南省国创电力有限公司 | Aluminum alloy radiator applied to converter transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962179A (en) * | 2012-12-13 | 2013-03-13 | 江苏腾奇电力设备科技有限公司 | Paint spraying technique of plate radiator for transformer |
| CN102983520A (en) * | 2012-12-13 | 2013-03-20 | 江苏腾奇电力设备科技有限公司 | Leak detection method of plate radiator for transformer |
| WO2015015369A1 (en) * | 2013-07-31 | 2015-02-05 | Convett S.R.L. | Aluminium radiator with elliptical finned tubes |
| CN106949772A (en) * | 2017-04-20 | 2017-07-14 | 沈阳亚特电器制造有限公司 | A kind of fin type heat radiator for transformer production technology |
-
2019
- 2019-06-17 CN CN201910520869.1A patent/CN110211774B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962179A (en) * | 2012-12-13 | 2013-03-13 | 江苏腾奇电力设备科技有限公司 | Paint spraying technique of plate radiator for transformer |
| CN102983520A (en) * | 2012-12-13 | 2013-03-20 | 江苏腾奇电力设备科技有限公司 | Leak detection method of plate radiator for transformer |
| WO2015015369A1 (en) * | 2013-07-31 | 2015-02-05 | Convett S.R.L. | Aluminium radiator with elliptical finned tubes |
| CN106949772A (en) * | 2017-04-20 | 2017-07-14 | 沈阳亚特电器制造有限公司 | A kind of fin type heat radiator for transformer production technology |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113319533A (en) * | 2021-06-07 | 2021-08-31 | 楚岳(惠州)热传科技有限公司 | Preparation process of radiator assembly for server |
| CN113782307A (en) * | 2021-08-18 | 2021-12-10 | 湖南省国创电力有限公司 | Aluminum alloy radiator applied to converter transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110211774B (en) | 2021-10-01 |
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