WO2017006433A1 - Échangeur de chaleur, dispositif à cycle de réfrigération et procédé de fabrication d'échangeur de chaleur - Google Patents

Échangeur de chaleur, dispositif à cycle de réfrigération et procédé de fabrication d'échangeur de chaleur Download PDF

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Publication number
WO2017006433A1
WO2017006433A1 PCT/JP2015/069542 JP2015069542W WO2017006433A1 WO 2017006433 A1 WO2017006433 A1 WO 2017006433A1 JP 2015069542 W JP2015069542 W JP 2015069542W WO 2017006433 A1 WO2017006433 A1 WO 2017006433A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
fin
divided
fins
flat tube
Prior art date
Application number
PCT/JP2015/069542
Other languages
English (en)
Japanese (ja)
Inventor
亮一 池田
加藤　貴士
輝明 小永吉
Original Assignee
三菱電機株式会社
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
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2015/069542 priority Critical patent/WO2017006433A1/fr
Priority to CN201580081059.0A priority patent/CN107709916B/zh
Priority to JP2017527008A priority patent/JP6415721B2/ja
Publication of WO2017006433A1 publication Critical patent/WO2017006433A1/fr

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    • 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
    • F28D1/047—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 bent, e.g. in a serpentine or zig-zag
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements

Definitions

  • the present invention relates to a finned tube heat exchanger used as a heat exchanger for a refrigeration cycle apparatus such as an air conditioner, a refrigerator, or a water heater, a refrigeration cycle apparatus, and a method for manufacturing the heat exchanger, and in particular, a heat exchanger.
  • a refrigeration cycle apparatus such as an air conditioner, a refrigerator, or a water heater
  • a refrigeration cycle apparatus such as an air conditioner, a refrigerator, or a water heater
  • a refrigeration cycle apparatus such as an air conditioner, a refrigerator, or a water heater
  • a refrigeration cycle apparatus such as an air conditioner, a refrigerator, or a water heater
  • a refrigeration cycle apparatus such as an air conditioner, a refrigerator, or a water heater
  • a refrigeration cycle apparatus such as an air conditioner, a refrigerator, or a water heater
  • a refrigeration cycle apparatus such as an air conditioner, a refrigerator, or a water heater
  • a refrigeration cycle apparatus such as an air conditioner, a refrigerator, or a water heater
  • a circular tube having a circular cross-sectional shape and a flat tube having a rectangular cross-sectional shape with a rectangular aspect ratio are generally known.
  • a fin tube type heat exchanger using a flat tube has a known manufacturing method in which a U-shaped slit is formed in the width direction perpendicular to the longitudinal direction from the side end of the fin, and the flat tube is press-fitted into the slit. (For example, refer to Patent Document 1).
  • the fin press mold can be used to change the number of steps in the longitudinal direction of the fin. It was necessary to change the setup of the mold and the downstream process apparatus, and it was difficult to easily change the size of the heat exchanger in the stage direction.
  • This invention is for solving the said subject, and aims at obtaining the manufacturing method of the heat exchanger which can be easily changed into the size of a different number of stages, a refrigerating cycle apparatus, and a heat exchanger.
  • the heat exchanger according to the present invention includes a flat tube through which a refrigerant flows and a plurality of plate-like fins into which the flat tube is inserted, and the fins are divided in the longitudinal direction.
  • a separable structure which is a notch or a perforation.
  • the refrigeration cycle apparatus according to the present invention includes the heat exchanger described above.
  • a method of manufacturing a heat exchanger according to the present invention includes a flat tube in which a refrigerant flows and a plurality of plate-like fins into which the flat tube is inserted, and the fin is divided in the longitudinal direction.
  • the heat dissipating structure is a method of manufacturing a heat exchanger that is a notch or a perforation, and includes a step of dividing the fin by the separable structure.
  • the fins can be divided by a splittable structure, and a plurality of heat exchangers can be connected, And can be easily changed to a different number of stages.
  • FIG. 1 is an explanatory diagram showing a configuration of a refrigeration cycle apparatus 100 according to Embodiment 1 of the present invention.
  • the refrigeration cycle apparatus 100 includes a compressor 101, a condensation heat exchanger 102, an expansion device 103, an evaporative heat exchanger 104, blowers 105 and 106, and motors 107 and 108 that drive the blowers 105 and 106, respectively.
  • the refrigerant is discharged from the compressor 101 in a high-temperature and high-pressure state, is condensed by the condensation heat exchanger 102, dissipates heat, expands in the expansion device 103, becomes low-pressure, and evaporates in the evaporation heat exchanger 104. Then, it absorbs heat and is sucked into the compressor 101.
  • FIG. 2 is a perspective view showing the heat exchanger 1 according to Embodiment 1 of the present invention.
  • This heat exchanger 1 is at least one of the condensation heat exchanger 102 or the evaporating heat exchanger 104 shown in FIG.
  • the heat exchanger 1 is bent and includes a main body surface portion 1a and both side surface portions 1b and 1c.
  • the heat exchanger 1 is configured by connecting three heat exchanger components 10 a, 10 b, and 10 c with a connecting resin 11.
  • the uppermost one heat exchanger component 10 a is divided by dividing the fins 20, thereby reducing the size of the number of stages.
  • the heat exchanger 1 and the heat exchanger components 10a, 10b, and 10c correspond to the heat exchanger of the present invention.
  • FIG. 3 is a diagram showing how the fins 20 according to Embodiment 1 of the present invention are divided.
  • the heat exchanger components 10a, 10b, and 10c have a rectangular shape with a large aspect ratio, and a flat tube 30 in which a refrigerant flows, and a plurality of plate-like fins into which the flat tube 30 is inserted.
  • the fin 20 is formed with a slit 22 formed in a U shape in the width direction orthogonal to the longitudinal direction from the side end portion of the fin 20.
  • the flat tube 30 is inserted into the slit 22.
  • the fin 20 has a cut 21 before the fin 20 is divided.
  • the notch 21 is formed so as to extend in the width direction orthogonal to the longitudinal direction from the side end portion of the fin 20 on the side opposite to the slit 22.
  • the cuts 21 are formed in the slits 22 at a predetermined distance in the longitudinal direction of the fins 20.
  • the incision 21 has a triangular shape, and is formed in a fragile portion that is scheduled to divide the fin 20 in the longitudinal direction and is easy to cut.
  • the cuts 21 cut the fin 20 along the width direction orthogonal to the longitudinal direction, and divide the fin 20 in the longitudinal direction. Note that the shape of the cut 21 is not limited to this, and may be linear, rectangular, U-shaped, or the like. Here, the cut 21 corresponds to the splittable structure of the present invention.
  • the fin 20 having the cuts 21 is inserted into the flat tube 30 through the slits 22. Thereafter, as shown in the lower diagram of FIG. 3, all the fins 20 are divided at the notches 21 in order to create the divided heat exchanger component 10 a. Similarly, as shown in the lower diagram of FIG. 3, a plurality of pieces (specifically, 2 to 4 pieces (4 to 4) of portions where the connecting resin 11 needs to be fitted to connect the heat exchanger components 10a, 10b, and 10c). The fin 20 having a width of ⁇ 10 mm) is cut by the cut 21. At this time, since the cuts 21 are formed in the fins 20, the fins can be easily cut out and the unnecessary fin portions can be pulled out. In addition, since the strength of the fin 20 after being inserted into the flat tube 30 is weak at the cut 21, it can be easily divided and cut by applying an external force such as bending.
  • FIG. 4 is a diagram showing a state in which the heat exchanger component 10a is divided by dividing the fin 20 according to Embodiment 1 of the present invention. As shown in FIG. 4, by dividing the number of steps in the longitudinal direction of all the fins 20 in FIG. 3, the heat exchanger component 10a can be divided and the size of the number of steps of the heat exchanger component 10a can be reduced. it can.
  • FIG. 5 is a view showing the heat exchanger component 10b in which the fin 20 according to Embodiment 1 of the present invention is divided and the finned portion 12 is provided.
  • a plurality of fins 20 (specifically, 2 to 4 pieces (4 to 10 mm width)) of the fins 20 that need to be fitted with the connecting resin 11 are cut out to provide a finned portion 12. It has been.
  • the fin 20 is cut off, and only the flat tube 30 is continuous with other portions.
  • a plurality of finned portions 12 are formed on one side.
  • FIG. 6A is a cross-sectional view showing a state where a plurality of heat exchanger components 10a and 10b are connected by fitting connection resin 11 into finned portion 12 according to Embodiment 1 of the present invention.
  • FIG. 6B is a top view showing a state in which the connecting resin 11 is fitted into the finned portion 12 according to Embodiment 1 of the present invention to connect the plurality of heat exchanger components 10a and 10b.
  • a plurality of heat exchanger components 10a, 10b, and 10c are coupled by fitting a coupling resin 11 into the finned portion 12.
  • the connecting resin 11 has slits 11 a formed in a U shape in the width direction perpendicular to the longitudinal direction from the side end portions. Then, the finned portions 12 of the adjacent heat exchanger components 10a, 10b, and 10c are made continuous, and the connecting resin 11 is fitted over the two continuous finned portions 12.
  • the connecting resin 11 corresponds to the connecting member of the present invention.
  • FIG. 7 is a diagram showing the heat exchanger 1 before bending according to Embodiment 1 of the present invention.
  • the heat exchanger component 10 a that has been divided to reduce the size of the number of stages and the other heat exchanger components 10 b and 10 c are connected by a connecting resin 11 that is fitted into the finned portion 12.
  • the heat exchanger 1 shown in FIG. 7 is then bent to complete the heat exchanger 1 shown in FIG.
  • the subsequent bending process of the heat exchanger 1 may be three-surface bending, two-surface bending, or four-surface bending.
  • the heat exchanger 1 may be completed without being bent.
  • the heat exchanger 1 can divide the fins 20 by the notches 21 and form the finned portions 12 to connect the plurality of heat exchanger parts 10a, 10b, 10c, or to heat exchanger parts.
  • 10a can be divided and can be easily changed to a different number of stages.
  • the number of stages of the heat exchanger 1 can be easily changed by freely changing the position of the cut 21.
  • the strength of the heat exchanger 1 becomes weak at the cuts 21 at positions where the heat exchanger 1 is not divided.
  • the brazing material is disposed in the notches 21, so that the notches 21 are brazed and the fins 20 are melted with the brazing material.
  • the strength of the fins 20 can be ensured by reinforcement.
  • the brazing material corresponds to the reinforcing member of the present invention.
  • FIG. FIG. 8 is a diagram showing how the fins 20 according to Embodiment 2 of the present invention are divided.
  • a perforation 23 is provided in the fin 20 instead of the notch 21.
  • the fin 20 has a perforation 23 before the fin 20 is divided.
  • the perforation 23 is formed in parallel with the slit 22 at a position spaced a predetermined distance in the slit 22 in the longitudinal direction of the fin 20.
  • the perforation 23 is formed in the weak part which cut
  • the perforation 23 corresponds to the splittable structure of the present invention.
  • the fin 20 with the perforation 23 is inserted into the flat tube 30. After that, as shown in the lower diagram of FIG. 8, all the fins 20 are divided at the perforations 23 in order to create the divided heat exchanger component 10 a. Similarly, as shown in the lower diagram of FIG. 8, a plurality of pieces (specifically, 2 to 4 pieces (4 to 4) of portions where the connecting resin 11 needs to be fitted to connect the heat exchanger components 10a, 10b, and 10c). The fins 20 having a width of ⁇ 10 mm) are cut off at the perforations 23.
  • the heat exchanger 1 can divide the fins 20 at the perforation 23, connect the plurality of heat exchanger parts 10a, 10b, 10c, or divide the heat exchanger part 10a. Can be easily changed to a different number of stages.
  • FIG. 9 is a diagram showing the fin 20 according to the third embodiment of the present invention.
  • a cut 24 is formed in the fin 20 on the extension line of the slit 22. That is, the cut 24 is formed at a position where the width orthogonal to the longitudinal direction of the portion where the slit 22 for inserting the flat tube 30 is formed is narrower than the width of the fin 20.
  • the fin 20 after being inserted into the flat tube 30 has a weaker strength at the notch 24 on the extension line of the slit 22, and therefore can be more easily divided and cut by applying an external force such as bending. .
  • FIG. FIG. 10 is a diagram showing the fin 20 according to the fourth embodiment of the present invention.
  • a perforation 25 is formed in the fin 20 on the extension line of the slit 22. That is, the perforation 25 is formed at a position where the width orthogonal to the longitudinal direction of the portion where the slit 22 for inserting the flat tube 30 is formed is narrower than the width of the fin 20.
  • the strength of the fin 20 after being inserted into the flat tube 30 is weaker at the perforation 25 on the extension line of the slit 22, it can be more easily divided and cut by applying an external force such as bending. it can.
  • the fin 20 has the notches 21 and 24 or the perforations 23 and 25 as the separable structure capable of dividing the fin 20 in the longitudinal direction. If comprised in this way, the fin 20 can be divided
  • the incision 24 or the perforation 25 is formed on an extension line of the slit 22 into which the flat tube 30 of the fin 20 is inserted. If comprised in this way, since the intensity
  • the number of steps was reduced by dividing at the positions of cuts 21 and 24 or perforations 23 and 25. If comprised in this way, the heat exchanger component 10a which reduced the size of the number of steps can be comprised easily.
  • a connecting resin 11 for connecting the heat exchanger components 10a, 10b, and 10c is provided at a portion divided at the positions of the cuts 21 and 24 or the perforations 23 and 25. If comprised in this way, several heat exchanger components 10a, 10b, 10c can be connected, and it can change to the size of a different number of steps easily.
  • a brazing material that reinforces the fins 20 is provided at portions that are not divided at the positions of the incisions 21 and 24 or the perforations 23 and 25. If comprised in this way, in the brazing process in the furnace of the fin 20 and the flat tube 30, the fin 20 will be reinforced with the molten brazing material by arrange
  • the refrigeration cycle apparatus 100 provided with the heat exchanger 1 according to the first to fourth embodiments of the present invention may be used. If comprised in this way, the fin 20 can be divided
  • the heat exchanger 1 It is good to be a manufacturing method of the heat exchanger 1 including the process of dividing the fin 20 by the notches 21 and 24 or the perforations 23 and 25. If comprised in this way, the fin 20 can be divided
  • the method of manufacturing the heat exchanger 1 includes a step of reinforcing the fins 20 by placing a brazing material in a portion that is not divided at the positions of the cuts 21 and 24 or the perforations 23 and 25. If comprised in this way, in the brazing process in the furnace of the fin 20 and the flat tube 30, the fin 20 will be reinforced with the molten brazing material by arrange
  • 1 heat exchanger 1a body surface portion, 1b side surface portion, 1c side surface portion, 10a heat exchanger component, 10b heat exchanger component, 10c heat exchanger component, 11 connecting resin, 11a slit, 12 finned part, 20 fin, 21 incisions, 22 slits, 23 perforations, 24 incisions, 25 perforations, 30 flat tubes, 100 refrigeration cycle devices, 101 compressors, 102 condensing heat exchangers, 103 throttling devices, 104 evaporating heat exchangers, 105 blowers, 106 Blower, 107 motor, 108 motor.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'objectif est de modifier facilement un échangeur de chaleur à une taille ayant un nombre différent d'étages. La présente invention est pourvue d'un tuyau plat contenant un frigorigène s'écoulant à l'intérieur de celui-ci, et une pluralité d'ailettes dans lesquelles est inséré le tuyau plat, les ailettes ayant une structure séparable de telle sorte que les ailettes peuvent être séparées le long de la direction de la longueur, et la structure séparable comprenant des encoches ou des perforations.
PCT/JP2015/069542 2015-07-07 2015-07-07 Échangeur de chaleur, dispositif à cycle de réfrigération et procédé de fabrication d'échangeur de chaleur WO2017006433A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2015/069542 WO2017006433A1 (fr) 2015-07-07 2015-07-07 Échangeur de chaleur, dispositif à cycle de réfrigération et procédé de fabrication d'échangeur de chaleur
CN201580081059.0A CN107709916B (zh) 2015-07-07 2015-07-07 热交换器、制冷循环装置及热交换器的制造方法
JP2017527008A JP6415721B2 (ja) 2015-07-07 2015-07-07 熱交換器、冷凍サイクル装置および熱交換器の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/069542 WO2017006433A1 (fr) 2015-07-07 2015-07-07 Échangeur de chaleur, dispositif à cycle de réfrigération et procédé de fabrication d'échangeur de chaleur

Publications (1)

Publication Number Publication Date
WO2017006433A1 true WO2017006433A1 (fr) 2017-01-12

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PCT/JP2015/069542 WO2017006433A1 (fr) 2015-07-07 2015-07-07 Échangeur de chaleur, dispositif à cycle de réfrigération et procédé de fabrication d'échangeur de chaleur

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JP (1) JP6415721B2 (fr)
CN (1) CN107709916B (fr)
WO (1) WO2017006433A1 (fr)

Citations (6)

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JPH0765989A (ja) * 1993-08-30 1995-03-10 Rigaku Corp Ｘ線発生装置のｘ線焦点寸法の調節方法及び装置
JPH07234086A (ja) * 1994-02-25 1995-09-05 Toshiba Corp 熱交換器および熱交換器の製造方法
JP2005164224A (ja) * 2003-10-30 2005-06-23 Brazeway Inc 柔軟な管配置を有する熱交換器
JP2008039278A (ja) * 2006-08-04 2008-02-21 Sharp Corp 熱交換器および空気調和機の室内機
JP2008261517A (ja) * 2007-04-10 2008-10-30 Mitsubishi Electric Corp フィンチューブ型熱交換器及びそれを用いた空気調和機
JP2013231527A (ja) * 2012-04-27 2013-11-14 Daikin Industries Ltd 熱交換器

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JP2604954Y2 (ja) * 1993-12-10 2000-06-12 株式会社富士通ゼネラル 空気調和機
JP4029000B2 (ja) * 2002-01-25 2008-01-09 カルソニックカンセイ株式会社 一体型熱交換器の製造方法およびその一体型熱交換器
JP3852464B2 (ja) * 2004-11-25 2006-11-29 ダイキン工業株式会社 空気調和機の室内側の熱交換器
JP2008020085A (ja) * 2006-07-10 2008-01-31 Denso Corp 熱交換器
KR101453708B1 (ko) * 2011-01-21 2014-10-22 다이킨 고교 가부시키가이샤 열교환기 및 공기 조화기
KR101451055B1 (ko) * 2011-01-21 2014-10-16 다이킨 고교 가부시키가이샤 열교환기 및 공기 조화기
CN104285118A (zh) * 2012-04-26 2015-01-14 三菱电机株式会社 换热器、换热器的制造方法以及空调机
CN105033096B (zh) * 2015-08-26 2017-09-22 广东美的制冷设备有限公司 换热翅片的制造方法和换热翅片

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0765989A (ja) * 1993-08-30 1995-03-10 Rigaku Corp Ｘ線発生装置のｘ線焦点寸法の調節方法及び装置
JPH07234086A (ja) * 1994-02-25 1995-09-05 Toshiba Corp 熱交換器および熱交換器の製造方法
JP2005164224A (ja) * 2003-10-30 2005-06-23 Brazeway Inc 柔軟な管配置を有する熱交換器
JP2008039278A (ja) * 2006-08-04 2008-02-21 Sharp Corp 熱交換器および空気調和機の室内機
JP2008261517A (ja) * 2007-04-10 2008-10-30 Mitsubishi Electric Corp フィンチューブ型熱交換器及びそれを用いた空気調和機
JP2013231527A (ja) * 2012-04-27 2013-11-14 Daikin Industries Ltd 熱交換器

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JP6415721B2 (ja) 2018-10-31
CN107709916A (zh) 2018-02-16
JPWO2017006433A1 (ja) 2018-01-11
CN107709916B (zh) 2019-07-05

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