WO2013091890A1 - Kühlradiator mit flüssigkeitskühlung - Google Patents
Kühlradiator mit flüssigkeitskühlung Download PDFInfo
- Publication number
- WO2013091890A1 WO2013091890A1 PCT/EP2012/005336 EP2012005336W WO2013091890A1 WO 2013091890 A1 WO2013091890 A1 WO 2013091890A1 EP 2012005336 W EP2012005336 W EP 2012005336W WO 2013091890 A1 WO2013091890 A1 WO 2013091890A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- kühlradiator
- sub
- tubes
- cooling
- modules
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
-
- 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
- H01F27/10—Liquid cooling
-
- 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
- H01F27/085—Cooling by ambient air
Definitions
- the invention relates to aderadiator, in particular aderadiator a boiler of a transformer active part, wherein thederadiator with the heated by the active part of the cooling liquid by gravity from above a Sammelg. Distributor tube, a so-called collector, down to a sub-distributor or collector, a so-called lower collector, flowing through cooling elements is formed, wherein the cooled liquid passes through the sub-manifold back into the transformer and wherein at least onederadiator removed from or directly on Transformer or its boiler is arranged.
- Cooling radiators of this type comprise in addition to the upper and the lower collector at least a sub-module of cooling elements, which are connected via respective individual distribution pipes with the upper and lower collector, wherein the sub-modules have tubes which are provided on their outer side with ribs.
- the cooling elements of transformers or other electrical equipment consist of flat, usually by oil as a cooling liquid flow-through cooling elements or a corrugated sheet, as known from DE 10 2009 015 377 A.
- CONFIRMATION COPY become.
- the cooling radiators consisting of a plurality of such assembled or arranged on / behind each other cooling elements are designed as a welded construction. To increase the service life, they are painted by expensive dives or hot-dip galvanized.
- the production is to be simplified at the same time gas or oil-tight connection of the cooling elements with the collectors and in particular the heat transfer and the heat transfer can be improved.
- the sub-modules are arranged perpendicularly and transversely to the longitudinal direction of the collectors, wherein the tubes of the sub-modules for air passage are arranged parallel to one another at a distance from one another.
- aderadiator is created, which consists of several in a row successively and successively and with an air gap to each other, inserted into openings of the upper header and the sub collector, a particularly good air passage through thederadiator total and allowed at the respective cooling elements.
- all the cooling elements of the cooling radiator preferably carry the heat transfer from the cooling medium flowing through the cooling radiator, preferably oil, into the ambient air flowing through the cooling radiator.
- a particularly high energy dissipation of up to 38.00 kW / h, preferably up to 39.80 kW / h with aderadiator having a width of up to 540 mm, preferably up to 520 mm, and a height of up to 2 m, preferably up to 1, 80 m causes.
- a doctorradiator with a height of 0.5 m up to 3.60 m.
- Thederadiator thus exists as a compact complete unit, which consists of many desired, spaced apart, connected via the individual distribution pipes to the collector submodules.
- the completederadiator or its sub-modules can be completely flowed around in both the transverse and in the longitudinal direction of the ambient air, possibly supported by fans / fans. The cooling or heat removal / heat transfer is thereby kept very efficient.
- the pipes and also the collectors, preferably the upper and the lower collector, as well as also the individual distribution pipes are made of a material or material that can be processed by extrusion. stand, in particular aluminum or aluminum alloys, magnesium or the like for extruding suitable light metals. On the one hand, these materials have good heat transfer properties and, on the other hand, are resistant to corrosion by forming oxide layers, so that coating or similar coating or surface treatment can be dispensed with, and can also be produced easily, namely preferably with desired random geometry extrusions.
- the openings required for the connection of the individual components of the cooling radiator are preferably produced precisely by milling or laser machining, so that exact joints for microfluidization can be achieved by preferably laser welding with gas or oil-tight connection.
- each sub-module comprises up to 12, preferably up to 10 tubes.
- a cooling radiator is provided, the effective surface of which can be adapted to the required properties of the cooling radiator by means of particularly simple means and, if appropriate, can be completely adapted to be flowed around by the ambient air.
- the tubes of the respective sub-modules have a flattened, preferably rectangular cross-section, in particular a rectangular cross-section with rounded corners. It is particularly preferred if such tubes have at least one inner web, preferably two inner webs.
- the width of the tubes is preferably up to 130 mm, preferably up to 120 mm.
- the distance of the tubes from one another per sub-module is up to 30 mm, preferably up to 27 mm.
- the ribs provided on the outside of the tubes are longitudinal ribs which preferably extend over the entire length of the tubes, thus substantially over the entire length of the cooling radiator as a whole. It is particularly preferred if up to 15, most preferably up to 12, longitudinal ribs per tube are provided. In this context, it is particularly preferred if the longitudinal ribs have a height, thus an extent from the outside of the tube to the outside, of up to 15 mm, preferably up to 12 mm.
- the distance between the longitudinal ribs to each other should be up to 25 mm, preferably up to 20 mm, to thereby ensure not only an effective surface for thederadiator with a large heat radiation, but at the same time the transition of heat from the cooling medium in the cooling radiator around and to optimize the flow of ambient air.
- submodules are provided inderadiator. These sub-modules, which are connected to each other via an upper and a lower single distribution pipe, thus offer a particularly large effective area with a compact design ofderadiators.
- At least the upper collector preferably also the lower collector, has a rectangular cross-section, preferably with a dimension of 20 ⁇ 80 mm cross-sectional area.
- at least the upper header preferably both the upper and the lower header, are arranged at one end of the individual distribution pipes and thus do not carry the stream of air flowing in particular from bottom to top through the cooling radiator along the die modules. prevents. Only by the arrangement of the upper collector away from the middle of the individual manifolds on the end towards could be achieved by 38% improved air access to theméradiator and air leakage from theméradiator.
- a preferred embodiment provides a prefabricated construction of thederadiators, in which the upper and lower collectors are arranged in a longitudinal extension and seen over its length at a distance lying behind each other have any number of openings, in oval tubes as a cooling element according to form-fitting, across the Longitudinal slotted holes provided.
- the cooling elements are a sub-module in openings of connected to the upper and lower collector manifolds, these have as advantageous and the collector a rectangular or square format inserted.
- the sub-modules consisting of the upper and lower individual distributors with the inserted cooling elements are connected with their individual distribution pipes running transversely to the collectors and with one of their openings in fluid communication with an opening of the collector standing oil-tightly connected to the collectors, preferably laser welded, in such a way in that the collectors bridge the sub-modules arranged transversely thereto, either centrally or preferably offset to the side and towards the ends of the individual distribution pipes.
- FIG. 1 shows a front view of a cooling radiator according to the invention
- FIG. 2 shows an end view of the cooling radiator from FIG. 1,
- FIG. 3 shows a view from above of the cooling radiator from FIGS. 1 and 2,
- FIG. 4 shows a single distribution pipe for a cooling radiator according to the invention
- FIG. 5 shows a section of a collector of a cooling radiator according to the invention
- FIG. 6 shows a cross section through a tube of a submodule in a first
- Figure 7 shows a cross section through a tube of a sub-module in a second
- Figure 8 is a perspective view of aderadiators invention in a top-down view.
- FIG. 1 shows a front view of a completely prefabricated cooling radiator 1 prepared for installation or removal on a transformer.
- the cooling radiator 1 comprises an upper collecting pipe 2 and a lower collecting pipe 3 which are connected via respective flanges 2a, 3a to the transformer (not shown) can be connected to form a closed oil circuit with the transformer can.
- a plurality of sub-modules 4 are connected, each extending perpendicularly and transversely to the longitudinal direction of the manifolds 2, 3 in the plane of the drawing.
- the sub-modules 4 are in turn assigned to individual distribution pipes 5, the liquid-tight with the manifolds 2, 3 and the tubes of the sub-modules 4 are connected, so as to ensure the passage of the cooling medium such as oil through the entirederadiator 1 therethrough.
- sensors 20, 21 are connected to the upper header 2 and the lower header 3, respectively, to receive both the passage amount and the entrance and exit temperature of the cooling medium through the cooling radiator 1.
- FIG. 2 shows the cooling radiator 1 from FIG. 1 in a side view "seen from the right and thus shows the front or first submodule 4. Numerous of these successive subassemblies 4 arranged with air to one another, connected to the upper collector 2 and the lower collector 3 From the combination of FIGS. 1 and 2 it can be seen that the cooling radiator 1 and its submodules 4 or the elements configured as oval tubes 6 in the exemplary embodiment (see FIG.
- the heated cooling liquid (oil) flowing in from the consumer in the direction of the upper arrow of Figure 1 is thereby particularly effectively cooled on its way down, where the cooling liquid returns in the direction of the lower arrow to the consumer (boiler;
- the cooling radiator 1 can be connected to the consumer, possibly with an intermediate scarf tion of pipes, via flanges 2a, 3a of the collector 2, 3 are connected.
- FIG. 3 shows the cooling radiator 1 from FIGS. 1 and 2 in a view from above.
- the sub-modules 4 with the inserted into the individual manifolds 5 cooling elements are arranged transversely and perpendicular to the upper collector 2 and are bridged by the collector 2 in the middle of the sub-modules 4 lying.
- the submodules 4 each consist of five tubes 6 with a substantially rectangular cross section connected via a common single distribution tube 5.
- a distance 22 for the passage of cooling air through the respective sub-modules 4 is provided between the tubes 6.
- FIG. 4 shows, as an individual unit, a single distribution pipe 5, seen from the side of its openings 23. About the openings 23 is a liquid and gas-tight connection of the individual manifold 5 with (not shown) tubes for the passage of the cooling medium.
- FIG. 5 shows, as a single unit, a collector 2 seen from its openings 24 having side openings. About the openings 24, the connection and gas- or liquid-tight welding of the upper header 2 (not shown) with individual manifolds 5 takes place.
- FIG. 6 shows a cross section through a tube 6 with a substantially rectangular cross section and rounded corners.
- equidistantly arranged longitudinal ribs 7 are arranged over which the effective surface of the tube 6, thus the contact surface of the tube 6 with the surrounding air around the pipe 6, is significantly increased.
- an inner web 8 is also provided within the tube 6.
- FIG. 7 shows a second embodiment of a pipe 6 according to the invention as part of a partial module of a cooling radiator according to the invention.
- the tube 6 in turn has a substantially rectangular cross section with rounded corners, wherein on each longitudinal side of the tube 6 cooling fins 7 are arranged at the same distance from each other.
- the height of the ribs 7, thus their extent from the outside of the tube 6 to the outside, is the same over the entire circumference of the tube 6, to thereby provide consistent heat transfer conditions over the pipe 6 away.
- inner webs 8a, 8b are provided, which extend over the entire length of the tube 6.
- FIG. 8 shows an overall perspective view of a cooling radiator 1 according to the invention in a top-down view.
- Thederadiator 1 has an upper manifold 2 and a lower manifold 3, with which eight individual manifolds 5 are connected. These individual distribution pipes 5 in turn are connected to seven pipes 6, over the entire length of which longitudinal ribs 7 extend. In order to ensure the air passage of the cooling air through the cooling radiator 1 substantially unhindered, both the upper header 2 and the lower header 3 from the central arrangement of the individual manifolds 5 (see Fig. 3) are arranged offset to the end portions of the individual manifolds 5 ,
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Transformer Cooling (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UAA201408340A UA110292C2 (uk) | 2011-12-23 | 2012-12-21 | Охолоджувальний радіатор з рідинним охолоджуванням |
ES12812867.5T ES2569729T3 (es) | 2011-12-23 | 2012-12-21 | Radiador de refrigeración con refrigeración por líquido |
RU2014130286A RU2625324C2 (ru) | 2011-12-23 | 2012-12-21 | Охлаждающий радиатор с жидкостным охлаждением |
CN201280063820.4A CN104145316A (zh) | 2011-12-23 | 2012-12-21 | 利用液体冷却的冷却散热器 |
EP12812867.5A EP2795638B1 (de) | 2011-12-23 | 2012-12-21 | Kühlradiator mit flüssigkeitskühlung |
RS20160346A RS54767B1 (sr) | 2011-12-23 | 2012-12-21 | Radijator za hlađenje sa tečnim hlađenjem |
US14/356,450 US20140318750A1 (en) | 2011-12-23 | 2012-12-21 | Cooling radiator having liquid cooling |
SI201230612A SI2795638T1 (sl) | 2011-12-23 | 2012-12-21 | Hladilni radiator s hlajenjem tekočine |
MX2014007701A MX343019B (es) | 2011-12-23 | 2012-12-21 | Radiador de enfriamiento con enfriamiento por líquido. |
HRP20160564TT HRP20160564T1 (hr) | 2011-12-23 | 2016-05-25 | Hladnjak za hlađenje koji ima hlađenje tekućinom |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011122317.0 | 2011-12-23 | ||
DE102011122317 | 2011-12-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013091890A1 true WO2013091890A1 (de) | 2013-06-27 |
Family
ID=47522464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/005336 WO2013091890A1 (de) | 2011-12-23 | 2012-12-21 | Kühlradiator mit flüssigkeitskühlung |
Country Status (14)
Country | Link |
---|---|
US (1) | US20140318750A1 (de) |
EP (1) | EP2795638B1 (de) |
CN (1) | CN104145316A (de) |
ES (1) | ES2569729T3 (de) |
HR (1) | HRP20160564T1 (de) |
HU (1) | HUE029246T2 (de) |
MX (1) | MX343019B (de) |
PL (1) | PL2795638T3 (de) |
PT (1) | PT2795638T (de) |
RS (1) | RS54767B1 (de) |
RU (1) | RU2625324C2 (de) |
SI (1) | SI2795638T1 (de) |
UA (1) | UA110292C2 (de) |
WO (1) | WO2013091890A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108447657A (zh) * | 2018-03-08 | 2018-08-24 | 株洲联诚集团控股股份有限公司 | 顶置多路进风并联散热的动车组牵引变压器冷却装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113284708B (zh) * | 2021-04-09 | 2022-10-18 | 国网四川省电力公司电力科学研究院 | 具有三维离散扩展表面的电力变压器油散热系统 |
JP7501954B1 (ja) | 2024-03-29 | 2024-06-18 | 株式会社シアーコーポレーション | 冷暖房システム |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0500390A1 (de) * | 1991-02-22 | 1992-08-26 | Kabushiki Kaisha Toshiba | Gasisoliertes, elektrisches Gerät |
WO1994023257A1 (en) * | 1993-03-29 | 1994-10-13 | Melanesia International Trust Company Limited | Heat exchanger assembly |
WO2001063629A1 (en) * | 2000-02-24 | 2001-08-30 | Unifin International, Inc. | System and method for cooling transformers |
KR100773027B1 (ko) * | 2006-11-07 | 2007-11-02 | 권오경 | 변압기용 방열기 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US3016230A (en) * | 1959-03-30 | 1962-01-09 | Gen Electric | Heat exchange assembly |
FR2693546B1 (fr) * | 1992-07-09 | 1994-09-30 | Valeo Thermique Moteur Sa | Echangeur de chaleur à faisceau de tubes parallèles, en particulier pour véhicule automobile. |
US5490559A (en) * | 1994-07-20 | 1996-02-13 | Dinulescu; Horia A. | Heat exchanger with finned partition walls |
CA2260890A1 (en) * | 1999-02-05 | 2000-08-05 | Long Manufacturing Ltd. | Self-enclosing heat exchangers |
JP4300628B2 (ja) * | 1999-03-30 | 2009-07-22 | 株式会社デンソー | 熱交換器 |
US6575227B1 (en) * | 1999-10-26 | 2003-06-10 | Duramax Marine, Llc | Heat exchanger |
CN2580574Y (zh) * | 2002-11-18 | 2003-10-15 | 孙艺夫 | 一种变压器散热器 |
US7032808B2 (en) * | 2003-10-06 | 2006-04-25 | Outokumu Oyj | Thermal spray application of brazing material for manufacture of heat transfer devices |
US7770544B2 (en) * | 2004-12-01 | 2010-08-10 | Victory Energy Operations LLC | Heat recovery steam generator |
RU2332818C1 (ru) * | 2007-02-01 | 2008-08-27 | Общество с ограниченной ответственностью "Теркон КТТ" | Охлаждающее устройство для элементов электроники |
CN201247672Y (zh) * | 2008-07-11 | 2009-05-27 | 沈阳沈变所电气科技有限公司 | 电力变压器用高效铝合金片式散热器 |
-
2012
- 2012-12-21 CN CN201280063820.4A patent/CN104145316A/zh active Pending
- 2012-12-21 US US14/356,450 patent/US20140318750A1/en not_active Abandoned
- 2012-12-21 UA UAA201408340A patent/UA110292C2/uk unknown
- 2012-12-21 HU HUE12812867A patent/HUE029246T2/en unknown
- 2012-12-21 RS RS20160346A patent/RS54767B1/sr unknown
- 2012-12-21 RU RU2014130286A patent/RU2625324C2/ru not_active IP Right Cessation
- 2012-12-21 MX MX2014007701A patent/MX343019B/es active IP Right Grant
- 2012-12-21 PT PT128128675T patent/PT2795638T/pt unknown
- 2012-12-21 SI SI201230612A patent/SI2795638T1/sl unknown
- 2012-12-21 WO PCT/EP2012/005336 patent/WO2013091890A1/de active Application Filing
- 2012-12-21 PL PL12812867.5T patent/PL2795638T3/pl unknown
- 2012-12-21 EP EP12812867.5A patent/EP2795638B1/de not_active Not-in-force
- 2012-12-21 ES ES12812867.5T patent/ES2569729T3/es active Active
-
2016
- 2016-05-25 HR HRP20160564TT patent/HRP20160564T1/hr unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0500390A1 (de) * | 1991-02-22 | 1992-08-26 | Kabushiki Kaisha Toshiba | Gasisoliertes, elektrisches Gerät |
WO1994023257A1 (en) * | 1993-03-29 | 1994-10-13 | Melanesia International Trust Company Limited | Heat exchanger assembly |
WO2001063629A1 (en) * | 2000-02-24 | 2001-08-30 | Unifin International, Inc. | System and method for cooling transformers |
KR100773027B1 (ko) * | 2006-11-07 | 2007-11-02 | 권오경 | 변압기용 방열기 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108447657A (zh) * | 2018-03-08 | 2018-08-24 | 株洲联诚集团控股股份有限公司 | 顶置多路进风并联散热的动车组牵引变压器冷却装置 |
CN108447657B (zh) * | 2018-03-08 | 2024-03-12 | 株洲联诚集团控股股份有限公司 | 顶置多路进风并联散热的动车组牵引变压器冷却装置 |
Also Published As
Publication number | Publication date |
---|---|
RS54767B1 (sr) | 2016-10-31 |
RU2625324C2 (ru) | 2017-07-13 |
RU2014130286A (ru) | 2016-02-20 |
PL2795638T3 (pl) | 2016-09-30 |
MX2014007701A (es) | 2014-08-21 |
EP2795638B1 (de) | 2016-03-23 |
UA110292C2 (uk) | 2015-12-10 |
HRP20160564T1 (hr) | 2016-06-17 |
PT2795638T (pt) | 2016-07-07 |
MX343019B (es) | 2016-10-21 |
EP2795638A1 (de) | 2014-10-29 |
HUE029246T2 (en) | 2017-02-28 |
US20140318750A1 (en) | 2014-10-30 |
SI2795638T1 (sl) | 2016-07-29 |
CN104145316A (zh) | 2014-11-12 |
ES2569729T3 (es) | 2016-05-12 |
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