WO1992006343A1 - Echangeur de chaleur a structure stratifiee - Google Patents

Echangeur de chaleur a structure stratifiee Download PDF

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Publication number
WO1992006343A1
WO1992006343A1 PCT/JP1991/001292 JP9101292W WO9206343A1 WO 1992006343 A1 WO1992006343 A1 WO 1992006343A1 JP 9101292 W JP9101292 W JP 9101292W WO 9206343 A1 WO9206343 A1 WO 9206343A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
hole
primary
grooves
holes
Prior art date
Application number
PCT/JP1991/001292
Other languages
English (en)
Japanese (ja)
Inventor
Tsuyoshi Matsunaga
Kenji Fujino
Takashi Sugahara
Hiroaki Suga
Original Assignee
Matsushita Refrigeration Company
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP26099290A external-priority patent/JP2741949B2/ja
Priority claimed from JP28872590A external-priority patent/JP2741950B2/ja
Priority claimed from JP7287191A external-priority patent/JP2877237B2/ja
Application filed by Matsushita Refrigeration Company filed Critical Matsushita Refrigeration Company
Priority to DE69125819T priority Critical patent/DE69125819T2/de
Priority to EP91916786A priority patent/EP0503080B1/fr
Publication of WO1992006343A1 publication Critical patent/WO1992006343A1/fr

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
    • 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
    • F28D9/0062—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 spaced plates with inserted elements
    • 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
    • F28D9/0062—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 spaced plates with inserted elements
    • F28D9/0075—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 spaced plates with inserted elements the plates having openings therein for circulation of the heat-exchange medium from one conduit to another
    • 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
    • F28F2250/10—Particular pattern of flow of the heat exchange media
    • F28F2250/102—Particular pattern of flow of the heat exchange media with change of flow direction
    • 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
    • F28F2280/04—Means for preventing wrong assembling of parts

Definitions

  • the present invention relates to a laminated heat exchanger for exchanging heat between a primary refrigerant and a secondary refrigerant, and is used for a cooling machine of a cooling oil for an air conditioner or a machine tool. .
  • CFCs close-up fluorocarbons
  • water and oil are used as refrigerants
  • these refrigerants are used as primary and secondary refrigerants.
  • laminated heat exchangers that exchange heat using CFCs and CFCs, CFCs and water, water and water, and foils and water as refrigerants has been increasing.
  • Japanese Patent Application Laid-Open No. 61-243297 Japanese Patent Application Laid-Open No. 61-243297
  • the conventional laminated heat exchanger 1 is configured by combining a primary plate 2, a seal plate 3, and a secondary plate 4 with each other. End plates 5a and 5b are attached to the ends, and inlet and outlet pipes 6 and 7 for primary refrigerant and outlet pipes 8 and 9 for secondary refrigerant are mounted on this end plate 5b. .
  • the primary plate 2 has a rectangular shape, and is provided with a pair of round holes 10 for circulation of the primary refrigerant at the end side of the plate, offset from the center.
  • a plurality of grooves 11 meandering in parallel from one vicinity of the round hole 10 of the primary plate 2 to the other is formed by the partition 12.
  • holes 13 for secondary refrigerant circulation are formed diagonally.
  • the hole 13 has a rectangular portion 14 and a semicircular portion 15 in the middle of the long side of the rectangular portion 14.
  • the secondary plate 4 has a rectangular shape, and a plurality of grooves 16 through which the secondary refrigerant flows are formed by partitions 17.
  • the groove 16 is provided in a meandering manner in the vicinity of a round hole 18 facing the hole 13 of the primary plate 2.
  • the round hole 18 has a semi-circular portion 15 of the primary plate 2 and a part of the locus.
  • a hole 19 is provided at a position facing the round hole 10 of the primary blade 2.
  • the hole 19 is formed by a substantially rectangular portion 20 and a semicircular portion 21 formed in the middle of the long side of the rectangular portion 20.
  • the round hole 10 of the primary plate 2 have the same trajectory in part.
  • the seal plate 3 has holes 13 and 22 of the same shape as the holes 13 of the primary plate 2 and the holes 19 of the secondary plate 4. It is formed. The lengths of the rectangular portions 6, 13 of the holes 13, 19 are formed so as to extend over the respective grooves 11, 16.
  • the primary plate 2, the seal plate 3, the secondary plate 4, the seal plate 13, the primary plate 2, and the primary plate 2 It is repeatedly sandwiched with the roll plate 3, and at one end is an end plate 5a for a seal, and at the other end, the inlet and outlet pipes 6, 7, and the secondary refrigerant for the primary refrigerant.
  • the primary refrigerant flows in from inlet pipe 6 and has the length of hole 22. It is diffused in the rectangular part, flows into the groove 11 of the primary plate 2, and flows out of the outlet pipe 7 through the hole 22 on the opposite side.
  • the secondary refrigerant flows from the inlet pipe 8, is diffused in the rectangular portion of the hole 19, flows into the groove 16 of the secondary plate 4, and flows into the opposite hole 1. From 9 flow to exit pipe 8.
  • the seal plate 3 is formed of a material having good heat conductivity.
  • the grooves 11 and 16 of the primary plate 2 and the secondary plate 4 have the same length, and the holes 10 and 1 have the same length. 8 is located on the same line, the distance between the center of holes 10 and 18 and the ends of both ends of grooves 11 and 16 is long. It was difficult for the water to flow because the distance was too long to flow. Also, in the part where the grooves 11 and 16 of the primary plate 2 and the secondary plate 4 are located on the same straight line, there is only the seal plate 3, so the groove 1 When there is a pressure difference between the fluids flowing through 1 and 16, the seal plate 3 is deformed and obstructs the flow of the refrigerant, so the thickness H of the seal plate 3 is reduced. It has to be thick. Therefore, there was a problem that the volume became large and cost was increased.
  • the present invention provides a laminated heat exchange system in which the distance between the end of the groove of the primary plate and the groove of the secondary plate and the hole is made as short as possible to reduce the flow path resistance.
  • the purpose is to provide equipment.
  • a stacked heat exchanger is provided in which the grooves between the primary plate and the secondary plate are less likely to overlap each other via the seal plate. The purpose is to provide.
  • the present invention provides a stacked heat exchanger in which the order in which the primary plate, the secondary plate, and the seal plate are superimposed is not mistaken.
  • the porpose is to do.
  • the present invention is to vary the length of the primary plate and the secondary plate so that the distance between the end of the groove and the hole is V-shaped. .
  • the grooves of the secondary plate are arranged, and the grooves of the secondary plate are formed.
  • the groove of the primary blade is arranged on the partition. This prevents the deformation of the seal plate interposed between the primary plate and the secondary plate.
  • projections lower than the plate thickness are provided on two different sides of the primary side plate and the secondary side plate, and the projections are fitted to the seal plate.
  • a notch is provided for matching. You will never forget to insert the seal plate.
  • the corners of the primary plate, the secondary plate, and the seal plate By making the shape of each plate different for each plate, it is possible to confirm that the plate is properly ridged from the outside.
  • the diameter of the hole in the primary plate or the secondary plate is made smaller than the diameter of the hole where the inlet / outlet pipe of the end plate is inserted, and the entrance / exit It regulates the purchase cost of pipes.
  • FIG. 1 is a perspective view of a conventional laminated heat exchanger
  • FIG. 2 is a plan view of a primary plate of FIG. 1
  • FIG. 3 is a plan view of a seal plate of FIG. Figure
  • FIG. 4 is a plan view of the secondary plate of FIG. 1
  • FIG. 5 is a cross-sectional view of FIG. 1 taken along the line V-V
  • FIG. 6 shows an embodiment of the present invention.
  • FIG. 7 is a plan view of the primary side plate of FIG. 6
  • FIG. 8 is a plan view of the seal plate of FIG. 6
  • FIG. 9 is a plan view of a secondary plate of FIG. 6, FIG.
  • FIG. 10 is an exploded perspective view of a laminated heat exchanger showing another embodiment of the present invention
  • FIG. 10 is a side view of FIG. 10
  • FIG. 12 is a plan view of the primary plate of FIG. 10
  • FIG. 13 is a secondary plate of FIG. 10
  • FIG. 10 is a plan view of the seal plate of FIG. 10
  • FIG. 15 is a side view of FIG. 12
  • FIG. 16 is a side view of FIG. 13
  • FIG. 17 is a side view of FIG. 14,
  • FIG. 19 is a sectional view of a principal part of a laminated heat exchanger showing another embodiment of the present invention
  • FIG. 19 is a plan view of a side plate of FIG. 18
  • FIG. 20 is FIG.
  • FIG. 21 is a plan view of a secondary plate of FIG. 18
  • FIG. 22 is a laminated view showing another embodiment of the present invention.
  • FIG. 2 is a cross-sectional view of a heat exchanger. Best mode for carrying
  • the laminated heat exchanger 31 of the present invention comprises a primary plate 32, a seal plate 3, a secondary plate 33, a seal plate.
  • a plurality of plates 3 are alternately laminated, and the end plate 5b having the inlet / outlet pipes 6 and 8 at both ends and the end plate 5a are adhered so that the internal fluid does not leak.
  • the structure is
  • the primary refrigerant flowing from the inlet pipe 6 flows into the plurality of grooves 11 of the primary plate 32 partitioned by the partition 34, and flows out to the outlet pipe 7.
  • the secondary refrigerant that has flowed in from the inlet pipe (not shown) flows into the groove 17 of the secondary plate 33 divided by the partition 35, and flows out of the outlet pipe (not shown). Spill). At this time, heat is exchanged between the upper and lower different fluids via the seal plate 3.
  • the groove 17 of the secondary plate 33 is provided on the partition 34 of the primary plate 32, and the groove 17 of the secondary plate 33 is provided on the partition 35 of the secondary plate 33. Since the groove 11 of the primary plate 3 3 is provided, there is a seal plate 3 between the groove 11 and the groove 17 on the same line. Sheets and There is a secondary plate 3 3 partition 3 4 or a primary plate 3 2 partition 3 5, and the plate thickness becomes thicker. Even if the pressure of the refrigerant is different, the seal plate is less likely to be deformed, so that the flow rate of the refrigerant can be secured.
  • 41 is an end plate having a refrigerant inlet / outlet section 42
  • 41a is an end plate for sealing the refrigerant
  • 43 is a primary side plate formed by dividing a groove 43a into a partition 43b
  • Reference numeral 44 denotes a secondary plate formed by dividing a groove 44a into a partition 44b
  • reference numeral 45 denotes a seal plate.
  • a plurality of projections 46 having a thickness smaller than h are provided on two different sides of the primary plate 4 3 and the secondary plate 44, and the seal plate is provided.
  • a notch 47 is provided on the rate 45 to be fitted with the convex portion 46.
  • the primary plate 4 3 and the secondary plate 4 4 are fitted with the seal plate 45 at the time of assembly, and the seal plate 45 at the time of manufacture. If you forget to insert the primary plate 4 3 and the secondary plate 4 4, the primary plate 4 4 There is a gap between 3 and the secondary plate 4 4, and errors can be easily found visually.
  • the rim-shaped holes 48 on each of the plates 43, 44, and 45, when a plurality of plates are stacked, the rim-shaped holes 4 are formed. As a result, the parts 8 are overlapped with each other, so that the assembling becomes easy, and the positioning can be performed without causing any displacement in each plate.
  • the laminated heat exchanger 51 comprises a primary plate 2, a seal plate 3, and a secondary plate 4 which are alternately laminated in plural numbers, and both ends thereof are provided.
  • the end plate 5b which has an inlet pipe 6 and an outlet pipe (not shown), is connected to the end plate (not shown) so that the fluid inside does not leak. The structure is closely attached.
  • the primary refrigerant flowing from the inlet pipe 6 flows through the round hole 10 and the holes 22 and 19, flows into the multiple grooves 11 of the primary plate 2, and then flows into the opposite round hole. 10. Flow out of holes 22 and 19 to outlet pipe (not shown).
  • the secondary refrigerant flowing from the inlet pipe (not shown) flows through the holes 13, 23, and the round hole 18, flows into the groove 16 of the secondary plate 4, and then flows into the opposite side.
  • the holes 13 and 23 and the round hole 18 flow out to an outlet pipe (not shown). At this time, heat is exchanged between the upper and lower different fluids via the seal plate 3.
  • the plate following the end plate 5b that is, the diameter D of the round hole 10 of the primary plate 2 and the secondary plate 4 is defined as the entrance / exit plate.
  • the outer diameter E of each of the lobes 6 and 7 is smaller than the outer diameter E.
  • the inlet pipe 6 and the outlet pipe (not shown) should be smaller than the semicircular part of the mouth pipes 8 and 9 so that the inlet pipe 6 and the outlet pipe (not shown) contact the primary plate 2.
  • the end plate 8 can be positioned without being counterbored.
  • the angle of the primary plate 2 is reduced to an arc 52, and the angle of the secondary plate 4 is reduced to an inclined surface 53. Even after the plate is assembled, the type of plate can be determined at a glance, and a mistake in assembling the plate can be easily found. Further, another embodiment will be described with reference to FIG. The same components as those of the conventional and other embodiments are denoted by the same reference numerals, and detailed description thereof will be omitted.
  • 6 1 is the inlet pipe of the primary refrigerant, end plate 5 b, round hole 10 of primary plate 2, hole 22 of seal plate 3, secondary plate It extends through hole 19 of 4 to end plate 5a.
  • a long hole 62 is formed in a portion of the inlet pipe 61 located at each of the holes 10, 22, and 19.
  • the outlet pipe of the other primary refrigerant and the outlet pipe of the secondary refrigerant also extend to the end plate 5a.
  • a plurality of grooves 36 meandering in parallel from the vicinity of one side of the round hole 10 to the vicinity of the other side of the round hole 10 are formed by the partition 34 on the primary side plate 32. Then, the length of the groove 36 is made longer as the distance from the center of the hole 10 is increased, and the end of the groove 36 is positioned closer to the center of the hole 10. It is arranged so that it becomes V-shaped as it moves away from it.
  • the secondary plate 33 has a plurality of grooves 37 extending from one vicinity of the round hole 18 to the vicinity of the other of the round hole 18 by a partition 35.
  • the length of the groove 37 is made longer as the distance from the center of the hole 18 is increased, and the center of the hole 18 is so arranged that its end is closer to the center of the hole 18. It is arranged so that it becomes V-shaped the further away from it. Therefore, the distance between the holes 10 and 18 and the ends of the grooves 36 and 37 is shortened, so that the refrigerant easily flows and the branch flow is improved.
  • the secondary plate 3 3 is placed on the partition 3 4 of the primary plate 3 2
  • the groove 37 on the secondary plate 33 has a groove 36 on the same line as the groove 36 on the primary plate 33 on the partition 35 on the secondary plate 33. Or between slot 3 7 and two shield plates 3 and partition of secondary plate 3 3 3 4 or partition of primary plate 3 2 Since the thickness of the plate is increased, the seal plate is not easily deformed even if the pressures of the primary refrigerant and the secondary refrigerant are different, so that the flow rate of the refrigerant Can be secured.
  • the laminated heat exchanger according to the present invention is suitable for performing heat exchange between the primary refrigerant and the secondary refrigerant of an air conditioner. It is also suitable for performing heat exchange by circulating oil such as machine tools with its cooling water.

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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)

Abstract

L'invention se rapporte à un échangeur de chaleur à structure stratifiée, dans lequel des cloisons sont placées dans une plaque (32) sur un côté primaire et dans une plaque (33) sur un côté secondaire de façon à y former des canaux, et dans lequel les plaques (32) du côté primaire et les plaques (33) du côté secondaire sont disposées en strates les unes sur les autres avec entre elles des plaques d'étanchéité (3). Chacune des cloisons (35) des plaques (33) du côté secondaire est située à l'opposé de chacun des canaux (11) des plaques (32) du côté primaire et chacune des cloisons (34) des plaques (32) du côté primaire est située à l'opposé de chacun des canaux (17) des plaques (33) du côté secondaire, de façon à empêcher que les plaques d'étanchéité (3) ne se déforment même lorsque la pression du réfrigérant s'écoulant à travers les canaux devient non uniforme. En outre, les faces des plaques (32) du côté primaire, les plaques (33) du côté secondaire et les plaques d'étanchéité (3) sont façonnées avec des formes différentes entre elles, de sorte qu'en cas de défectuosité il est facile d'identifier la plaque dont elle provient.
PCT/JP1991/001292 1990-09-28 1991-09-27 Echangeur de chaleur a structure stratifiee WO1992006343A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE69125819T DE69125819T2 (de) 1990-09-28 1991-09-27 Laminatwärmetauscher
EP91916786A EP0503080B1 (fr) 1990-09-28 1991-09-27 Echangeur de chaleur a structure stratifiee

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2/260992 1990-09-28
JP26099290A JP2741949B2 (ja) 1990-09-28 1990-09-28 積層型熱交換器
JP2/288725 1990-10-26
JP28872590A JP2741950B2 (ja) 1990-10-26 1990-10-26 積層式熱交換器
JP3/72871 1991-04-05
JP7287191A JP2877237B2 (ja) 1991-04-05 1991-04-05 積層式熱交換器

Publications (1)

Publication Number Publication Date
WO1992006343A1 true WO1992006343A1 (fr) 1992-04-16

Family

ID=27301059

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1991/001292 WO1992006343A1 (fr) 1990-09-28 1991-09-27 Echangeur de chaleur a structure stratifiee

Country Status (3)

Country Link
EP (4) EP0730134B1 (fr)
DE (2) DE69132499T2 (fr)
WO (1) WO1992006343A1 (fr)

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DE19639114B4 (de) * 1995-08-01 2006-01-05 Behr Gmbh & Co. Kg Wärmeübertrager mit Plattenstapelaufbau
DE19635455B4 (de) * 1995-08-01 2007-02-15 Behr Gmbh & Co. Kg Wärmeübertrager mit Plattenstapelaufbau und Verfahren zu seiner Herstellung
US5911273A (en) * 1995-08-01 1999-06-15 Behr Gmbh & Co. Heat transfer device of a stacked plate construction
DE19528117B4 (de) * 1995-08-01 2004-04-29 Behr Gmbh & Co. Wärmeübertrager mit Plattenstapelaufbau
JPH10170177A (ja) * 1996-08-31 1998-06-26 Behr Gmbh & Co プレートパイル構造を有する熱交換器とその製造方法
DE19707648B4 (de) * 1997-02-26 2007-11-22 Behr Gmbh & Co. Kg Parallelstrom-Wärmeübertrager mit Plattenstapelaufbau
DE19815218B4 (de) * 1998-04-04 2008-02-28 Behr Gmbh & Co. Kg Schichtwärmeübertrager
ES2150395B1 (es) * 1999-04-21 2001-06-01 Cortes Jesus Esteban Sistema intercambiador de calor.
US6893619B1 (en) * 2000-09-13 2005-05-17 Ford Global Technologies, Llc Plate-frame heat exchange reactor with serial cross-flow geometry
DE10134761C2 (de) * 2001-07-12 2003-05-28 Visteon Global Tech Inc Wärmeübertrager, insbesondere zur thermischen Kopplung eines Glykol-Wasser-Kreislaufes und eines Hochdruckkältemittelkreislaufes
DE10328746A1 (de) * 2003-06-25 2005-01-13 Behr Gmbh & Co. Kg Vorrichtung zum mehrstufigen Wärmeaustausch und Verfahren zur Herstellung einer derartigen Vorrichtung
DE10352880A1 (de) 2003-11-10 2005-06-09 Behr Gmbh & Co. Kg Wärmeübertrager, insbesondere Ladeluft-/Kühlmittel-Kühler
DE10352881A1 (de) 2003-11-10 2005-06-09 Behr Gmbh & Co. Kg Wärmeübertrager, insbesondere Ladeluft-/Kühlmittel-Kühler
FR2880106B1 (fr) * 2004-12-29 2007-06-01 Framatome Anp Sas Dispositif d'echange de chaleur entre deux fluides comportant des couches de mousse metallique
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EP2154879A1 (fr) 2008-08-13 2010-02-17 Thomson Licensing Détecteur d'images CMOS doté de regroupement câblé sélectionnable
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Title
See also references of EP0503080A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102003899A (zh) * 2010-12-01 2011-04-06 杭州沈氏换热器有限公司 一种微通道换热器

Also Published As

Publication number Publication date
DE69125819T2 (de) 1997-12-11
DE69132499D1 (de) 2001-02-08
EP0503080A1 (fr) 1992-09-16
EP0730133A2 (fr) 1996-09-04
EP0503080A4 (en) 1994-06-08
EP0730132A3 (fr) 1998-01-14
EP0503080B1 (fr) 1997-04-23
EP0730134B1 (fr) 2001-01-03
EP0730134A2 (fr) 1996-09-04
EP0730132A2 (fr) 1996-09-04
DE69125819D1 (de) 1997-05-28
EP0730133A3 (fr) 1998-01-14
EP0730134A3 (fr) 1998-01-14
DE69132499T2 (de) 2001-04-19

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