EP1520148A1 - Vorrichtung zum wärmeaustausch zwischen strömungsfähigen medien - Google Patents
Vorrichtung zum wärmeaustausch zwischen strömungsfähigen medienInfo
- Publication number
- EP1520148A1 EP1520148A1 EP03729966A EP03729966A EP1520148A1 EP 1520148 A1 EP1520148 A1 EP 1520148A1 EP 03729966 A EP03729966 A EP 03729966A EP 03729966 A EP03729966 A EP 03729966A EP 1520148 A1 EP1520148 A1 EP 1520148A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- flat tube
- channel
- outflow chamber
- inflow chamber
- 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.)
- Granted
Links
- 230000009969 flowable effect Effects 0.000 title claims abstract description 6
- 239000012530 fluid Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 32
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 11
- 230000001419 dependent effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000005068 cooling lubricant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- RZTAMFZIAATZDJ-UHFFFAOYSA-N felodipine Chemical compound CCOC(=O)C1=C(C)NC(C)=C(C(=O)OC)C1C1=CC=CC(Cl)=C1Cl RZTAMFZIAATZDJ-UHFFFAOYSA-N 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
-
- 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
- F28D1/02—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 with heat-exchange conduits immersed in the body of fluid
- F28D1/04—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 with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—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 with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/0535—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 with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05383—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/06—Derivation channels, e.g. bypass
Definitions
- the invention relates to a device for heat exchange between flowable media, at least one of which is in the liquid state.
- turbulence-generating blades or lamellae are usually arranged in the fluid paths through which the liquid to be cooled flows, which must be flowed around by the liquid which is thereby swirled, so that all components of the liquid flow join the surrounding walls the fluid path for the 'heat exchange in contact.
- the components causing the swirling effect a certain throttling of the liquid flow, so that there is a gap between the inlet the inlet chamber for the liquid to be cooled and the outlet-side outlet chamber of the liquid builds up a differential pressure that is dependent on the throttling.
- the viscosity of which is strongly temperature-dependent the viscosity of which is strongly temperature-dependent, the correspondingly high viscosity of the liquid due to the throttling in the operating phases in which the liquid in question is at a low temperature, for example during start-up phases in which the operating fluid in question is still cold Fluid may cause excessive pressure rise due to the device.
- a bypass device between the inflow chamber and the outflow chamber of the device is usually provided, which is normally closed, but has a pressure limiting device which enables the bypass flow of the liquid until when the liquid to be cooled has reached its operating temperature and the viscosity has decreased accordingly, the differential pressure on the device has dropped to a safe value at which the bypass flow is blocked and the liquid flows exclusively through the fluid paths for heat exchange.
- a cooling device for fluid media in particular water cooler for oil-operated hydraulic systems and internal combustion engines, in which the medium II to be cooled is brought into indirect contact with the cooling medium I with heat exchange, with one per se Known oil-air cooler with connecting piece for the entry or exit of the medium II in a heat sink, which has a plurality of spaced, parallel cooling channels, the spaces between which are filled with fins through which the medium I flows turbulently and at which with the A cover egg is provided on the long side of the connecting piece, in the area of the connecting piece is attached and has internal and external seals, and with an approximately hollow cuboid cast body with a plurality of chambers and connecting pieces for the entry and exit of the medium I, in which the oil-air cooler is inserted and attached essentially in a form-fitting manner such that in Ge - When in use, the outer edge of the cover lies sealingly against the edge of the housing.
- the object of the invention while maintaining the advantages in the prior art, further improve the known devices to the extent that they are distinguished by a particularly simple structure which can be implemented simply and inexpensively, and yet to a high degree a functionally reliable use is achieved at different temperatures of the medium to be cooled.
- this object is achieved by a device which has the features of claim 1 in its entirety.
- the device according to the invention has a heat exchanger block in which the fluid paths for the liquid involved in the heat exchange between an inflow chamber delimiting the block on one side and a delimiting the block on the opposite side Exhaust chamber extend, with fluid paths and flow paths for the passage of the other flowable medium, for example the cooling air, alternating with one another, ie in a block! ying.
- a cover plate is provided as the upper end of the block. Characterized in that according to the characterizing part of patent claim 1, the cover plate has at least one inner through-channel, which immediately extends the fluid paths as a bypass channel from the inflow chamber to the outflow chamber, this through-channel is dependent on the pressure difference between the inflow chamber and outflow chamber by means of a pressure - Limiter device can be blocked or released.
- the bypass device provided as a safety device against the build-up of excess pressure is therefore integrated into the cover plate of the heat exchanger block. This leads to a significant simplification of the structure of the device, which can be produced simply and cheaply in the desired manner.
- the components forming the fluid paths and the components forming the flow paths can be soldered one above the other to form a block with the desired number of elements, the cover plate forming the secondary flow device being fixed at the top of the block by soldering at the same time can.
- the manufacture of the device is particularly simple if a section of a hollow profile body formed by extrusion in the form of a flat tube is provided as the cover plate, which is closed at both ends by a closure plate.
- the strand of the hollow profile body can be extruded in such a way that a single one Flat tube results, that is, is formed in the cover plate thus formed in a single through-channel.
- the strand of the flat tube forming hollow profile body are extruded so that the flat tube has two inner through channels.
- the wall of the flat tube is provided with corresponding through-bores which enable the fluid connection to the inflow chamber and outflow chamber in the end regions of each through-channel.
- At least one pressure limiting device is provided for each through channel of the flat tube. These can each be arranged in one of the through holes in the flat tube.
- a check valve in the form of a spring-loaded seat valve is provided as the pressure limiting device for each through-channel.
- the flat tube forming the cover plate is connected to the ends of the through-channel or the through-channels by a closure plate which is also soldered when the heat exchanger block is soldered.
- the closure plates extend over the ends of a plurality of through-channels, the closure plates preferably have a passage formed in them which enables a fluid connection between the through-channels. This passage can be formed by an elongated recess machined into the closure plates, which extends over the ends of the through channels located in the flat tube.
- FIG. 2 shows a schematic sketch of the bypass device of the secondary flow device, which is only intended to illustrate the fluid flow in the exemplary embodiment
- Embodiment with associated pressure limiting devices Embodiment with associated pressure limiting devices
- FIG. 3 is a sectional view of a two-pass flat tube of the secondary flow device of the flat tube, corresponding to the section line III / III of FIG. 1 and
- FIG. 4 shows a plan view of the inside of a closure plate for the final closure of the flat tube shown in FIG. 3.
- FIG. 1 is a highly schematic, simplified illustration of an exemplary embodiment of the invention in the form of a liquid / air cooler in FIG. 1
- Block construction shows an inflow chamber for the supply of the liquid to be cooled and an outflow chamber for dispensing the liquid with 1 and 3 respectively.
- the heat exchanger block has alternating, superimposed plate-shaped heat exchange elements, namely fluid guide bodies 5 which contain internal fluid paths 7 through which the liquid to be cooled flows from the inflow chamber 1 to the outflow chamber 3, and also grid bodies 8, the flow paths for cooling air flowing through, the cooling fins of the grille body 8 coated.
- the fluid guide bodies 5 and the grid bodies 8 are plate-like components with a square or rectangular outline.
- the heat exchanger block with lateral inflow chamber 1 and lateral outflow chamber 3 and the stack of fluid guide bodies 5 and lattice bodies 8, which components are all soldered together, is closed at the top by a cover plate 9, which is also soldered.
- This cover plate 9 forms a secondary flow device for a fluid connection between inflow chamber 1 and outflow chamber 3, bypassing the fluid paths 7 in the fluid guide bodies 5, see the flow arrows drawn in double lines in FIGS. 1 and 2, which show the inflow of the liquid from the inflow chamber 1 into the cover plate 9 and the flow of the liquid from the cover plate 9 into the outflow chamber 3 via spring-loaded ball check valves 11.
- a check valve 11 is shown in the interest of a valve passage cross section of the desired size, however, in the present exemplary embodiment, a plurality of check valves 11 arranged one behind the other are provided, as can be seen from FIG. 2, which, viewed perpendicularly with respect to FIG Check valves 1 1 through, d. H. into the outflow chamber 3, clarified.
- the cover plate 9 is formed by a strand section of an extruded hollow body profile in the form of a flat tube, which in the present example has two passages, that is to say has two inner through channels 13. Both ends of the flat tube forming the cover plate 9 are each closed by a closure plate 15 which in Fig. 4 is shown in more detail.
- Through holes in the wall of the flat tube forming the cover plate 9 form the fluid connection between the inflow chamber 1 and the inner through channels 13 and the fluid connection between the through channels 13 and the outflow chamber 3.
- the through holes associated with the inflow chamber 1, of which only one is visible in FIG. 1, are denoted by 17.
- the through holes assigned to the outflow chamber 3 are designated by 19. Corresponding to the number of two through-channels 13 provided in the exemplary embodiment, two through-bores 17 on the inflow chamber 1 and two through-bores 19 on the outflow chamber 3 are provided in the present example.
- a check valve 11 is arranged in each through-bore 19 in order, as already indicated above, to achieve a sufficiently large valve passage cross section without having to use excessively large valves.
- the closure plates 15 are provided with an integrated, recessed, elongated groove 21.
- the groove 21 extends over the ends of both through-channels 13, as can be seen when comparing FIGS. 3 and 4, thereby forming a passage which provides a fluid connection between the through-channels 13 produces at both ends.
- access holes 23 are formed in the wall of the flat tube forming the cover plate 9, each of the check valve 11 concerned are formed opposite, see Fig. 1 and 3.
- the access holes 23 can be closed by a closure member 25, which may be a screwed-in cover part or the like.
- the respective pressure limiting device 11 can also consist of a closing part controlled by pressure and / or temperature, for example in the form of a temperature-dependent expansion element.
- the medium to be cooled is cold, it also builds up a correspondingly high pressure in the device and the pressure limiting device 1 1 has to release the bypass function of the cooler. If the temperature of the medium to be cooled then rises and is thus thin, it can flow through the cooler bypassing the bypass function by closing the bypass at a higher temperature.
- a closing part can be correspondingly realized, for example, by an expansion element.
- the bypass device according to the invention can also be retrofitted to existing coolers, since the bypass device preferably has a height which corresponds to the height of a fluid channel 7 and a subsequent lamella channel 8. If the relevant upper row of fins and the fluid channel are removed from a cooling device that has already been delivered, installation space is created in order to subsequently attach and weld on the height-standardized bypass device, so that subsequent retrofitting with the bypass device is readily possible. without the cooling capacity of the cooling device converted in this way being significantly reduced.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10230042A DE10230042A1 (de) | 2002-07-04 | 2002-07-04 | Vorrichtung zum Wärmeaustausch zwischen strömungfähigen Medien |
DE10230042 | 2002-07-04 | ||
PCT/EP2003/004605 WO2004005832A1 (de) | 2002-07-04 | 2003-05-02 | Vorrichtung zum wärmeaustausch zwischen strömungsfähigen medien |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1520148A1 true EP1520148A1 (de) | 2005-04-06 |
EP1520148B1 EP1520148B1 (de) | 2006-06-21 |
Family
ID=29761615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03729966A Expired - Lifetime EP1520148B1 (de) | 2002-07-04 | 2003-05-02 | Vorrichtung zum wärmeaustausch zwischen strömungsfähigen medien |
Country Status (8)
Country | Link |
---|---|
US (1) | US20060032626A1 (de) |
EP (1) | EP1520148B1 (de) |
JP (1) | JP2006506597A (de) |
CN (1) | CN100416213C (de) |
AT (1) | ATE331200T1 (de) |
DE (2) | DE10230042A1 (de) |
ES (1) | ES2266821T3 (de) |
WO (1) | WO2004005832A1 (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1557630A1 (de) * | 2004-01-23 | 2005-07-27 | BEHR Lorraine S.A.R.L. | Wärmeübertrager |
US20090236088A1 (en) * | 2008-03-24 | 2009-09-24 | General Electric Company | Heat Exchanger with Multiple Internal Diverters |
US8267162B1 (en) | 2008-09-16 | 2012-09-18 | Standard Motor Products | Bi-directional pressure relief valve for a plate fin heat exchanger |
US20120004172A1 (en) * | 2008-10-27 | 2012-01-05 | Oncotherapy Science, Inc. | Screening method of anti-lung or esophageal cancer compounds |
CN101634527B (zh) * | 2009-04-07 | 2013-02-20 | 三花控股集团有限公司 | 微通道换热器 |
DE102009056483A1 (de) * | 2009-12-01 | 2011-06-09 | Hydac Cooling Gmbh | Kühlvorrichtung |
CN102192665A (zh) * | 2010-03-12 | 2011-09-21 | 无锡迈鑫科技实业有限公司 | 带压力-温度控制阀的板翅式换热器 |
DE202010011010U1 (de) * | 2010-08-04 | 2010-11-04 | Bucyrus Hex Gmbh | Hydraulische Vorwärmeeinrichtung für Hydraulikölkühler in einem Großhydraulikbagger |
KR101339250B1 (ko) * | 2012-06-11 | 2013-12-09 | 현대자동차 주식회사 | 차량용 열교환기 |
CN102818066A (zh) * | 2012-08-30 | 2012-12-12 | 无锡迈鑫科技实业有限公司 | 流量控制阀 |
US9739194B2 (en) * | 2013-03-04 | 2017-08-22 | Ford Global Technologies, Llc | Charge-air intercooler system with integrated heating device |
KR101777482B1 (ko) * | 2015-12-29 | 2017-09-12 | 서진욱 | 안전장치가 구비된 판형 열교환기 |
DE102020204271A1 (de) * | 2019-04-05 | 2020-10-08 | Dana Canada Corporation | Wärmetauscheranordnung mit integriertem Ventil und Druckbypass |
CN113983852A (zh) * | 2021-11-04 | 2022-01-28 | 浙江银轮机械股份有限公司 | 换热器壳体结构及换热器 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1578805A (en) * | 1922-11-10 | 1926-03-30 | Mccord Radiator & Mfg Co | Thermostaf for radiators |
US1865877A (en) * | 1927-09-22 | 1932-07-05 | Gen Motors Res Corp | Cooling device |
US3034770A (en) * | 1959-09-16 | 1962-05-15 | Continental Aviat & Eng Corp | Heat exchanger |
FR2481791B1 (fr) * | 1980-05-05 | 1985-11-22 | Ferodo Sa | Echangeur de chaleur, en particulier pour un circuit de refroidissement d'un moteur de vehicule automobile |
FR2673241A1 (fr) * | 1991-02-26 | 1992-08-28 | Valeo Thermique Moteur Sa | Radiateur de vehicule automobile muni d'un dispositif de commande de circulation de fluide. |
DE4106963A1 (de) * | 1991-03-05 | 1992-09-10 | Rahmer & Jansen Gmbh | Kuehlvorrichtung fuer fluide medien |
DE4232366A1 (de) * | 1991-07-11 | 1994-03-31 | Laengerer & Reich Gmbh & Co | Ölkühler |
DE4402332C1 (de) * | 1994-01-27 | 1995-04-06 | Wesumat Gmbh | Fahrzeug-Trocknungs- oder Poliervorrichtung |
US5555930A (en) * | 1994-06-24 | 1996-09-17 | Behr Heat Transfer, Inc. | Heat exchanger assembly with structural side passageways |
SE9502189D0 (sv) * | 1995-06-16 | 1995-06-16 | Tetra Laval Holdings & Finance | Plattvärmeväxlare |
CN2237828Y (zh) * | 1995-06-27 | 1996-10-16 | 天津市换热设备厂 | 带有旁通装置的板式换热器 |
US5666807A (en) | 1995-12-13 | 1997-09-16 | Caterpillar Inc. | Oil processor circuit |
DE29909871U1 (de) * | 1999-06-02 | 2000-10-12 | Autokuehler Gmbh & Co Kg | Wärmeaustauscher, insbesondere Ölkühler |
CN1270938C (zh) * | 1999-10-26 | 2006-08-23 | 杜兰玛克斯船舶股份有限公司 | 带斜面集管型换热器 |
US6997143B2 (en) * | 2003-12-12 | 2006-02-14 | Visteon Global Technologies, Inc. | Integrated heat exchange and fluid control device |
-
2002
- 2002-07-04 DE DE10230042A patent/DE10230042A1/de not_active Withdrawn
-
2003
- 2003-05-02 WO PCT/EP2003/004605 patent/WO2004005832A1/de active IP Right Grant
- 2003-05-02 ES ES03729966T patent/ES2266821T3/es not_active Expired - Lifetime
- 2003-05-02 CN CNB038157403A patent/CN100416213C/zh not_active Expired - Fee Related
- 2003-05-02 JP JP2004518494A patent/JP2006506597A/ja active Pending
- 2003-05-02 DE DE50303971T patent/DE50303971D1/de not_active Expired - Lifetime
- 2003-05-02 US US10/518,230 patent/US20060032626A1/en not_active Abandoned
- 2003-05-02 EP EP03729966A patent/EP1520148B1/de not_active Expired - Lifetime
- 2003-05-02 AT AT03729966T patent/ATE331200T1/de not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2004005832A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2006506597A (ja) | 2006-02-23 |
ES2266821T3 (es) | 2007-03-01 |
CN1666080A (zh) | 2005-09-07 |
EP1520148B1 (de) | 2006-06-21 |
US20060032626A1 (en) | 2006-02-16 |
WO2004005832A1 (de) | 2004-01-15 |
DE50303971D1 (de) | 2006-08-03 |
ATE331200T1 (de) | 2006-07-15 |
DE10230042A1 (de) | 2004-01-22 |
CN100416213C (zh) | 2008-09-03 |
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