EP2321604B1 - Échangeur de chaleur à plaques - Google Patents

Échangeur de chaleur à plaques Download PDF

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Publication number
EP2321604B1
EP2321604B1 EP09776148A EP09776148A EP2321604B1 EP 2321604 B1 EP2321604 B1 EP 2321604B1 EP 09776148 A EP09776148 A EP 09776148A EP 09776148 A EP09776148 A EP 09776148A EP 2321604 B1 EP2321604 B1 EP 2321604B1
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EP
European Patent Office
Prior art keywords
plate
heat exchanger
opening
plate heat
endplate
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.)
Active
Application number
EP09776148A
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German (de)
English (en)
Other versions
EP2321604A1 (fr
Inventor
Robin Petrick
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PETRICK, NICO
PETRICK, ROBIN
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Individual
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    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/06—Adapter frames, e.g. for mounting heat exchanger cores on other structure and for allowing fluidic connections

Definitions

  • the invention relates to a plate heat exchanger comprising a sensor device and a plate stack of heat transfer plates of known design, wherein a sensor device is provided on a measuring space and in this measuring space a measuring medium is present, which is influenced by the temperature of at least one of the fluids and with a control and / or Regulating device is connected, wherein the measuring space is defined in part by at least one of the heat exchange fluids.
  • a sensor device is provided on a measuring space and in this measuring space a measuring medium is present, which is influenced by the temperature of at least one of the fluids and with a control and / or Regulating device is connected, wherein the measuring space is defined in part by at least one of the heat exchange fluids.
  • a Plattenracernetanscher according to the preamble of claim 1 is from document EP 7 152663 known.
  • the EP-B-608 195 discloses a plate heat exchanger with a sensor device comprising a temperature sensor with an elongate shape.
  • the temperature sensor extends in one of the through-hole channels of the plate heat exchanger, which communicates with some of the heat transfer passages of the plate stack.
  • the temperature sensor is connected via a so-called capillary tube, which has a valve for controlling a flow z.
  • B. has district heating water through the plate heat exchanger.
  • the WO 97/00415 discloses a plate heat exchanger used as an oil cooler.
  • the plate heat exchanger comprises a valve which is controlled by a sensor of a different type, namely a temperature-sensitive spring, which is fixed in a housing to a through-hole channel of the plate heat exchanger.
  • the valve opens and closes a secondary channel in the plate heat exchanger.
  • the DK-U-9600205 discloses a plate heat exchanger which is provided with a space located on the outside of the plate heat exchanger and located on a Exterior surface of the plate heat exchanger extends. In the room an elongated temperature sensor is provided. The space is connected to passages for one of the fluids in the plate heat exchanger. The space is provided near an inlet or outlet port of the plate heat exchanger. The temperature sensor is arranged to cooperate with the equipment to control a flow of one of the fluids through the plate heat exchanger.
  • Each of these documents thus proposes to provide a separate sensor outside the plate heat exchanger or in any of the through-hole channels of the plate heat exchanger.
  • the provision of such a separate sensor is difficult from the viewpoint of manufacture.
  • a sensor in any one of the through-hole channels results in increased flow resistance, not only because of the sensor itself, but also because of the components needed to mount the sensor in the through-hole channel.
  • the known arrangements also have the further disadvantage that the time constant is long, that is, it takes a relatively long time before a temperature change of one or both fluids to a sufficient influence on this medium and thus z. B. leads to a desired change in the valve position.
  • EP 1 362 214 wherein a plate heat exchanger is designed, which a has closed space for a measuring medium.
  • the disadvantage of this technical solution is that in addition to the existing heat transfer plates an extra space closed plate for the containment of the medium must be integrated, which represents a considerable technical effort.
  • the object of the invention is to find a plate heat exchanger, which eliminates the disadvantages of the prior art and makes no additional closed measuring space for a measuring medium as an addition to the plate heat exchanger necessary.
  • a plate heat exchanger is carried out according to the main claim 1 and its dependent claims.
  • a plate heat exchanger of known type wherein a stack of heat transfer plates is formed with the passages for the heat exchange fluid.
  • the heat transfer plates of the plate heat exchanger are closed by boundary plates.
  • the restriction plate communicating with the measuring space has stationary opening, via which the measuring space with the measuring medium can be coupled to a sensor device, are detected with the physical changes in the measuring space.
  • measuring media are used which react to a temperature change of a heat exchanger fluid and thus forward a corresponding actuating signal to a sensor device.
  • measurement media are included, which cause a corresponding pressure change due to temperature change and thus act on the connected sensor device.
  • the measuring space between the outer boundary plate and the associated heat transfer plate of the stack is at least partially defined by means of the outer heat transfer plate and the boundary plate.
  • An opening, which is in communication with the measuring space, is designed as a flow opening, through which the measuring medium can reach the sensor device, furthermore the measuring space is coupled in conjunction with the opening with a capillary channel.
  • the opening is defined such that a recess widening the measuring space is formed in the limiting plate, which is at least partially filled with the measuring medium.
  • the size of the widening recess of the opening is crucial, so that the best possible temperature influence of the Heat exchange fluids to the measuring medium, which is given in the opening in the form of a slide, is ensured.
  • the opening as a recess widening the measuring space is necessary in order thus to realize an optimum transition of the temperature detection of the heat exchanger fluid via the measuring medium to the sensor device via the capillary channel.
  • the opening is advantageously arranged between the connections for the heat exchanger fluids in the boundary plate.
  • the opening in connection with the measuring space should have a greater longitudinal extent than transverse extent in its areal shape. Therefore, the opening is in the form of a slot.
  • the widening recess of the opening in connection with the measuring space has a greater longitudinal extent than transverse extent.
  • the opening in the form of a slot is at least over one third of the length of the boundary plate.
  • the slot as a shape of the widening recess of the opening is designed so that an acute angle is formed in the direction of the boundary plate between the slot and the plate channels.
  • connection of the capillary channel with a respective access to the opening of the measuring chamber should be carried out so that it is aligned opposite in the plate channel area.
  • To the opening on the limiting plate on the outside arranged cover plate is assigned.
  • the cover plate serves to close the opening as a widening recess of the measuring space between the boundary plate and the associated heat transfer plate, thereby ensuring access for the capillary channel to the sensor device.
  • the heat transfer plates are designed with corresponding plate channels 4 so that these plate channels 4 are arranged in waveform and additionally have a tip plate channels 11. These individual heat transfer plates are arranged one above the other as a stack of plates.
  • the plate heat exchanger 9 is kontruiert with a running above and below boundary plate 1.
  • the boundary plates 1 are each soldered to the above and below executed heat transfer plate.
  • the restriction plate 1 there is a direct connection of the restriction plate 1 with the respective heat transfer plate.
  • the corresponding heat exchange fluids are given as exchange medium.
  • the plate heat exchanger 9, as described on the side, has been changed according to the invention so that a measuring space between the outer boundary plate 1 and the associated heat transfer plate of Stack is present and the boundary plate 1 has an opening 3 in communication with the measuring space.
  • This opening 3 as a measuring space widening recess in the boundary plate 1 is realized as a slot 12.
  • a measuring medium 10 is coupled to a sensor device, whereby the physical changes in the measuring space are detected.
  • the measuring space is at least partially defined by means of the outer heat transfer plate and the boundary plate 1.
  • the measuring space and the associated opening 3 in the form of a slot 12 defined therefrom are connected via an access 6 to a capillary channel 5.
  • the opening 3 of the measuring chamber is designed as a flow opening, whereby the measuring medium 10 can reach the sensor device.
  • the opening 3 is designed as a recess widening the measuring space in the limiting plate 1 so that it is at least partially filled with the measuring medium 10.
  • the opening 3 is designed as a slot 12.
  • the slot 12 is given so that it has a greater longitudinal extent than transverse extent.
  • the embodiment now shows a slot 12 between the terminals 2 and 2 ', which is arranged centrally.
  • the length of the slot 12 is designed so that it comprises about one third of the total length of the plate heat exchanger 9.
  • the arrangement of the slot 12 is also conceivable over the entire length or at other locations in the middle or on the other side of the boundary plate 1.
  • the slot 12 is arranged at the outlet of the plate heat exchanger 9 from a metrological point of view.
  • the slot 12 in the boundary plate 1 also has an access 6 for the connection of a capillary channel 5.
  • a measuring medium 10 is input in the form of a capillary.
  • the measuring medium 10 can also be acted upon by other temperature-dependent media. Due to the direct contact of the measuring medium 10 in the cavity between the plate channels 4 of the heat transfer plate and the slot 12 is on the access 6 and in connection a capillary channel 5 a direct departure given change in the measuring medium 10.
  • the opening 3 is arranged as a slot 12 on the outer heat transfer plate formed by surface structuring plate channels opposite, in which the plate channels 4 converge.
  • the boundary plate 1 between the slot 12 and the plate channels 4 creates an acute angle.
  • the slot 12 of the boundary plate 1 is closed on the surface.
  • This cover plate 7 is air-tight and liquid-tight over the size of the slot 12 applied to the limiting plate 1 for closing the slot 12.
  • the access 6 for the capillary channel 5 is performed by the cover plate 7, thus ensuring the flow opening for the measuring medium 10 from the measuring space to the sensor device.
  • Essential to the invention is in the technical solution that a given plate heat exchanger 9 of known type is changed so that a measuring space is created in connection with an opening 3 in the form of a slot 12 in the existing boundary plate 1 in the context of its construction, wherein a measuring medium 10 is integrated , Via the access 6 and the capillary channel 5 control and control equipment for the further application of the plate heat exchanger 9 can now be connected.
  • a measuring medium 10 Via the access 6 and the capillary channel 5 control and control equipment for the further application of the plate heat exchanger 9 can now be connected.
  • no additional space in the form of a plate or plate mounting as a measuring space for the measuring medium 10 must be integrated, which is a high technical effort and represents the disadvantage of the known technical solution.

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  • 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)

Claims (6)

  1. Echangeur de chaleur à plaques avec
    - une pile de plaques de transfert thermique avec lesquelles des passages pour le fluide d'échange thermique sont formés,
    - une plaque de limitation (1) qui limite d'un côté la pile de plaques de transfert thermique,
    - un espace de mesure fermé aux deux fluides d'échange thermique présents au minimum, et
    - un milieu de mesure (10) situé dans l'espace de mesure et influencé par la température d'au moins un fluide d'échange thermique, caractérisé en ce que
    l'espace de mesure est formé entre une plaque de transfert thermique extérieure affectée à la plaque de limitation (1) et la plaque de limitation (1) et la plaque de limitation (1) présente une ouverture (3) reliée à l'espace de mesure, l'ouverture (3) étant formée par une fente (12), par laquelle l'espace de mesure peut être couplé avec le milieu de mesure (10) à un dispositif capteur permettant d'enregistrer les changements physiques dans l'espace de mesure.
  2. Echangeur de chaleur à plaques selon la revendication 1 caractérisé en ce que la fente (12) de l'ouverture (3) est située entre les raccords (2 et 2') de l'échangeur de chaleur à plaques (9).
  3. Echangeur de chaleur à plaques selon les revendications 1 et 2 caractérisé en ce que la fente (12) s'étend sur au moins environ un tiers de la longueur de la plaque de limitation (1).
  4. Echangeur de chaleur à plaques selon la revendication 1 caractérisé en ce que la fente (12) de l'ouverture (3) est située à tous les endroits dans la plaque de limitation (1).
  5. Echangeur de chaleur à plaques selon la revendication 1 caractérisé en ce que la fente existante (12) de l'ouverture (3) dans la plaque de limitation (1) est fermée à la surface de la plaque de limitation (1) avec une plaque de protection (7) supplémentaire avec continuation via l'accès (6) de la fente (12) de l'ouverture (3).
  6. Echangeur de chaleur à plaques selon les revendications 1 et 5 caractérisé en ce que la plaque de protection (7) obture toute la fente (12) de l'ouverture (3).
EP09776148A 2008-08-15 2009-08-14 Échangeur de chaleur à plaques Active EP2321604B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008037852A DE102008037852A1 (de) 2008-08-15 2008-08-15 Plattenwärmetauscher
PCT/DE2009/075042 WO2010017815A1 (fr) 2008-08-15 2009-08-14 Échangeur de chaleur à plaques

Publications (2)

Publication Number Publication Date
EP2321604A1 EP2321604A1 (fr) 2011-05-18
EP2321604B1 true EP2321604B1 (fr) 2012-09-19

Family

ID=41426865

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09776148A Active EP2321604B1 (fr) 2008-08-15 2009-08-14 Échangeur de chaleur à plaques

Country Status (3)

Country Link
EP (1) EP2321604B1 (fr)
DE (2) DE102008037852A1 (fr)
WO (1) WO2010017815A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103148735A (zh) * 2013-03-05 2013-06-12 浙江鸿远制冷设备有限公司 一种钎焊板式换热器

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011001544A1 (de) 2011-03-24 2012-09-27 Gea Wtt Gmbh Plattenwärmetauscher
ES2522869T3 (es) * 2012-04-20 2014-11-18 Alfa Laval Corporate Ab Una placa de intercambiador de calor y un intercambiador de calor de placas
DE102012104908A1 (de) 2012-06-06 2013-12-12 Gea Wtt Gmbh Wärmetauscher und Messstutzen für Wärmetauscher
DK2674697T3 (en) 2012-06-14 2019-01-07 Alfa Laval Corp Ab PLATE HEAT EXCHANGE
DE102013101305A1 (de) * 2013-02-11 2014-08-14 Nico Petrick Plattenwärmetauscher
CN103148736A (zh) * 2013-03-05 2013-06-12 浙江鸿远制冷设备有限公司 一种钎焊换热器
CN103256855A (zh) * 2013-05-10 2013-08-21 浙江鸿远制冷设备有限公司 一种钎焊换热器
SE542528C2 (en) * 2016-12-16 2020-06-02 Swep Int Ab Brazed plate heat exchanger with a temperature sensor
CN112503625A (zh) * 2020-12-09 2021-03-16 珠海格力电器股份有限公司 散热片及油汀

Family Cites Families (9)

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Publication number Priority date Publication date Assignee Title
DK9300044U4 (da) 1993-01-21 1994-05-27 Tarm H S As Pladevarmeveksler og varmevekslersystem med pladevarmeveksler
SE9502189D0 (sv) 1995-06-16 1995-06-16 Tetra Laval Holdings & Finance Plattvärmeväxlare
DK9600205U3 (da) 1996-06-13 1997-10-24 Gemina Termix Productions A S Loddet pladevarmeveksler
SE515485C2 (sv) * 1999-12-08 2001-08-13 Alfa Laval Ab En värmeväxlaranordning och ett förfarande för reglering av ett fluidum genom en värmeväxlaranordning
SE530957C2 (sv) * 2004-09-08 2008-11-04 Ep Technology Ab Värmeväxlare med temperaturstyrd ventil
CA2329408C (fr) * 2000-12-21 2007-12-04 Long Manufacturing Ltd. Echangeur de chaleur a plaques a ailettes
SE518475C2 (sv) * 2001-02-20 2002-10-15 Alfa Laval Ab Plattvärmeväxlare med sensoranordning
DE10259462B4 (de) 2002-12-19 2005-07-28 Helmut Bälz GmbH Vorgefertigtes Wärmeübergabemodul
WO2005078370A1 (fr) * 2004-02-10 2005-08-25 Pewo Energietechnik Gmbh Echangeur de chaleur a chambre contenant un milieu de mesure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103148735A (zh) * 2013-03-05 2013-06-12 浙江鸿远制冷设备有限公司 一种钎焊板式换热器

Also Published As

Publication number Publication date
EP2321604A1 (fr) 2011-05-18
DE202009005138U1 (de) 2010-04-22
DE102008037852A1 (de) 2010-02-18
WO2010017815A1 (fr) 2010-02-18

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