WO2014103639A1 - 複合型熱交換器 - Google Patents

複合型熱交換器 Download PDF

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Publication number
WO2014103639A1
WO2014103639A1 PCT/JP2013/082569 JP2013082569W WO2014103639A1 WO 2014103639 A1 WO2014103639 A1 WO 2014103639A1 JP 2013082569 W JP2013082569 W JP 2013082569W WO 2014103639 A1 WO2014103639 A1 WO 2014103639A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
refrigerant
cooling air
radiator
tank
Prior art date
Application number
PCT/JP2013/082569
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
吉田　宏行
Original Assignee
カルソニックカンセイ株式会社
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 カルソニックカンセイ株式会社 filed Critical カルソニックカンセイ株式会社
Priority to CN201380067054.3A priority Critical patent/CN104903675B/zh
Publication of WO2014103639A1 publication Critical patent/WO2014103639A1/ja

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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
    • 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
    • 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
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0452—Combination of units extending one behind the other with units extending one beside or one above the other
    • 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
    • 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
    • F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
    • 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
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0084—Condensers

Definitions

  • the present invention relates to a composite heat exchanger.
  • Patent Document 1 describes a composite heat exchanger mounted on an automobile.
  • the composite heat exchanger exchanges heat between the first heat exchanger that exchanges heat between the first refrigerant and the second refrigerant, and the first refrigerant that flows out of the first heat exchanger and the cooling air.
  • the second heat exchanger and the third heat exchanger are adjacent to each other in the vertical direction with the longitudinal direction being the left-right direction (vehicle width direction) and the short direction being the vertical direction (vehicle height direction). It is arranged.
  • the first heat exchanger is positioned at the left and right ends of one tank portion of the second heat exchanger and one tank portion of the third heat exchanger, and one tank portion of the second heat exchanger. And one of the tank portions of the third heat exchanger.
  • the first heat exchanger is disposed at the end in the longitudinal direction (left-right direction) between the second heat exchanger and the third heat exchanger. For this reason, the length in the longitudinal direction is increased by the thickness of the first heat exchanger and the protruding length of the pipe protruding in the left-right direction from the first heat exchanger.
  • the width (length in the left-right direction) of the second heat exchanger and the third heat exchanger with respect to the mounting width on which the composite heat exchanger can be mounted is shortened, and the second heat exchanger and the third heat exchanger
  • the width of the radiator part is also shortened.
  • the area (cooling effective area) of each radiator part becomes narrow, and cooling efficiency is bad.
  • An object of the present invention is to provide a composite heat exchanger in which the cooling efficiency is improved by increasing the area (cooling effective area) of each radiator section.
  • the composite heat exchanger includes a first heat exchanger that exchanges heat between the first refrigerant and the second refrigerant, and the first refrigerant that flows out of the first heat exchanger and the cooling air.
  • the second heat exchanger includes a second heat exchanger radiator portion and second heat exchanger tank portions located on the left and right of the second heat exchanger radiator portion.
  • the third heat exchanger includes a third heat exchanger radiator portion and third heat exchanger tank portions located on the left and right of the third heat exchanger radiator portion.
  • the second heat exchanger and the third heat exchanger are disposed adjacent to each other in the vertical direction.
  • the first heat exchanger is disposed on the upstream side or the downstream side of the flow of the cooling air of the second heat exchanger and the third heat exchanger.
  • the first heat exchanger includes: the second heat exchanger radiator portion; the third heat exchanger radiator portion; one of the second heat exchanger tank portions adjacent to each other; and the third heat exchanger tank portion. It is attached across one side.
  • a 2nd heat exchanger and a 3rd heat exchanger are arrange
  • the first heat exchanger is connected to the second heat exchanger radiator and the third heat exchanger radiator adjacent to each other, and one of the second heat exchanger tank and one of the third heat exchanger tanks. It is mounted across. For this reason, the width (length in the left-right direction) of the second heat exchanger and the third heat exchanger relative to the width in which the composite heat exchanger can be mounted can be increased, and the width of each radiator section can be increased. it can. Thereby, the area (cooling effective area) of a 2nd heat exchanger radiator part and a 3rd heat exchanger radiator part can be enlarged, and cooling efficiency can be improved accordingly.
  • one of the second heat exchanger tank portions has a first refrigerant inlet portion and a first refrigerant outlet portion
  • one of the third heat exchanger tank portions has a second refrigerant inlet portion and a second refrigerant outlet portion. And a refrigerant outlet.
  • the piping is concentrated at one place, so that the handling of the piping and the mounting workability of the piping are improved.
  • the first heat exchanger is disposed on the downstream side of the flow of the cooling air of the second heat exchanger and the third heat exchanger, and the first refrigerant inlet portion is the second heat exchanger.
  • the second refrigerant inlet portion and the second refrigerant outlet portion extend in one direction of the cooling air toward one of the tank portions, and the cooling air flows in one direction of the third heat exchanger tank portion. You may extend towards.
  • the first heat exchanger may include a first refrigerant inlet portion, a first refrigerant outlet portion, a second refrigerant inlet portion, and a second refrigerant outlet portion that extend in the flow direction of the cooling air. Good.
  • FIG. 1 is a perspective view of the composite heat exchanger according to the first embodiment of the present invention viewed from the downstream side (rear side) of the flow of cooling air.
  • FIG. 2 is a partially exploded perspective view of the composite heat exchanger shown in FIG.
  • FIG. 3 is a partially exploded perspective view of the disassembled portion of the composite heat exchanger shown in FIG. 2 as viewed from the upstream side (front side) of the flow of cooling air.
  • FIG. 4 is a partial view of the main part of the composite heat exchanger shown in FIG. 1 as viewed from the upstream side (front side) of the cooling air flow.
  • FIG. 1 is a perspective view of the composite heat exchanger according to the first embodiment of the present invention viewed from the downstream side (rear side) of the flow of cooling air.
  • FIG. 2 is a partially exploded perspective view of the composite heat exchanger shown in FIG.
  • FIG. 3 is a partially exploded perspective view of the disassembled portion of the composite heat exchanger shown in FIG. 2 as
  • FIG. 5A is an explanatory diagram illustrating a relationship between a mounting width in which the composite heat exchanger can be mounted and a width of the radiator unit according to the first embodiment of the present invention.
  • FIG. 5B is an explanatory diagram illustrating the relationship between the mounting width in which the composite heat exchanger can be mounted and the width of the radiator portion, according to a comparative example.
  • FIG. 6 is a configuration diagram of a vehicle heat exchange system to which the composite heat exchanger shown in FIG. 1 is applied.
  • FIG. 7 is a partially exploded perspective view of the first heat exchanger shown in FIG.
  • FIG. 8 is an explanatory diagram showing a joint portion between the first plate and the second plate.
  • FIG. 9 is a partially exploded perspective view similar to FIG. 3 showing a composite heat exchanger according to a second embodiment of the present invention.
  • FIG. 10 is a partially exploded perspective view similar to FIG. 3 showing a composite heat exchanger according to a third embodiment of the present invention.
  • FIG. 1 is a perspective view of the composite heat exchanger 21 according to the first embodiment of the present invention as viewed from the downstream side [rear (back side)] of the flow of cooling air.
  • FIG. 2 is a partially exploded perspective view of the composite heat exchanger 21.
  • FIG. 3 is a partial exploded perspective view of the disassembled portion of the composite heat exchanger 21 as viewed from the upstream side (front (front) side) of the flow of cooling air.
  • FIG. 4 is a partial view of the main part of the composite heat exchanger 21 as viewed from the upstream side (front (front side) side) of the flow of cooling air.
  • Figure 5A is an explanatory diagram showing the relationship between the width L 1 of the mounting width L and the radiator unit can be mounted to composite heat exchanger 21.
  • FIG. 5B is an explanatory diagram showing the relationship between the width L 2 of the mounting width L and the radiator unit can be mounted to composite heat exchanger according to the comparative example.
  • FIG. 6 is a configuration diagram of the vehicle heat exchange system 1 to which the composite heat exchanger 21 is applied.
  • FIG. 7 is a partially exploded perspective view of the first heat exchanger 8.
  • FIG. 8 is an explanatory view showing a joint portion between the first plate 81 and the second plate 82.
  • the vehicle heat exchange system 1 to which the composite heat exchanger 21 according to the first embodiment of the present invention is applied includes a main radiator (heat exchanger) 3 that cools the cooling water of the engine 2 as shown in FIG.
  • a sub-radiator (third heat exchanger) 7 that cools the refrigerant for the water-cooled charge air cooler (water-cooled CAC) 6, a water-cooled condenser (first heat exchanger) 8, and a refrigerant for air conditioning in the vehicle interior
  • An air-cooled condenser (second heat exchanger) 11 is provided.
  • the main radiator 3 is provided on the upstream side (front side) of the cooling air flow of the motor fan 5.
  • the main radiator 3 has a plurality of tubes (not shown) through which cooling water for the engine 2 flows, and performs heat exchange with cooling air flowing outside the tubes.
  • the cooling water for the engine 2 is circulated by the pump 4.
  • the sub-radiator 7 is disposed on the upstream side of the cooling air flow of the main radiator 3 and in the upper half area of the main radiator 3.
  • the sub-radiator 7 has a plurality of tubes (not shown) through which cooling water, which is the second refrigerant for the water-cooled charge air cooler 6, flows and exchanges heat with the cooling air flowing outside the tubes. .
  • Cooling water for the water-cooled charge air cooler 6 is circulated by the pump 9.
  • the air (intake air) supplied to the engine 2 is compressed by the turbo unit 12 using the exhaust gas and becomes high temperature, the high temperature compressed air is cooled by the water-cooled charge air cooler 6.
  • the air density supplied to the engine 2 can be improved by cooling the intake air, the combustion efficiency of the engine 2 is improved.
  • the water-cooled charge air cooler 6 exchanges heat between the compressed intake air supplied to the engine 2 and the cooling water to cool the intake air of the engine 2.
  • the air-cooled condenser 11 is arranged on the upstream side of the cooling air flow of the main radiator 3 and in the lower half area of the main radiator 3.
  • the air-cooled condenser 11 has a plurality of tubes (not shown) through which the air-conditioning refrigerant that is the first refrigerant flows, and performs heat exchange with cooling air flowing outside the tubes.
  • the water-cooled condenser 8 and the air-cooled condenser 11 are connected in series in the refrigeration cycle with the water-cooled condenser 8 as the upstream.
  • the air-conditioning refrigerant which is the first refrigerant that has been made high-temperature and high-pressure by the compressor (compressor) 10 in the refrigeration cycle, first flows into the water-cooled condenser 8 and then flows out into the air-cooled condenser 11.
  • the cooling water that is the second refrigerant cooled by the sub-radiator 7 flows into the water-cooled condenser 8, exchanges heat with the air-conditioning refrigerant, and then flows into the water-cooled charge air cooler 6.
  • the water-cooled condenser 8 includes first plates 81 and second plates 82 that are alternately stacked, and first and second plates 82 that are alternately interposed between the first plate 81 and the second plate 82.
  • a spacer 83, a second spacer 84, and an inner fin 86 whose outer periphery is surrounded by the first spacer 83 are provided.
  • the first plate 81 and the second plate 82 have outer peripheral walls 811 and 821 that protrude in the same direction in the stacking direction.
  • the outer peripheral walls 811 and 821 are provided with stepped portions 812 and 822 where adjacent ones come into contact with each other.
  • Each plate 81, 82 includes a plurality of beats (projections) 813, 823 that protrude toward the second flow path 8b, which will be described later, and whose tips abut against each other.
  • the contact surfaces of these beats 813 and 823 are also brazed.
  • the first plate 81 and the second plate 82 include a pair (two) of first communication holes 814 and 824 through which air-conditioning refrigerant flows, and a pair of (two) second communication holes 815 and 825 through which cooling water flows. Respectively.
  • the second flow paths 8b through which the cooling water flows are alternately provided.
  • annular projecting edge portions 814a and 824a around the first communication holes 814 and 824 project into the second channel 8b, and within the second channel 8b. They are brazed and joined in an overlapping state.
  • annular projecting edge portions 815a and 825a around the second communication holes 815 and 825 project into the first flow path 8a and are brazed and joined in a state of overlapping with each other in the first flow path 8a.
  • the first plate 81 and the second plate 82 are brazed and joined in an overlapping state.
  • the first communication holes 814 and 824 are opened in the first flow path 8a, and the second communication holes 815 and 825 are closed.
  • the air-conditioning refrigerant that flows into the first flow paths 8a from the first communication holes 814 and 824 and flows through the first flow paths 8a flows out of the other first communication holes 814 and 824, respectively.
  • the second communication holes 815 and 825 are opened, and the first communication holes 814 and 824 are closed.
  • the cooling water that flows into the second flow paths 8b from the two communication holes 815 and 825 and flows through the second flow paths 8b flows out of the other second communication holes 815 and 825, respectively.
  • the contact surfaces of the inner fins 86 and the plates 81 and 82 are also brazed.
  • the first spacer 83 is disposed in the first flow path 8a.
  • the first spacer 83 includes a pair (two pieces) provided at positions corresponding to the fin housing openings 831 for housing the inner fins 86 and the pair (two) first communication holes 814 and 824 of the plates 81 and 82. ) First communication holes 832 and a pair (two) second communication holes 833 provided at positions corresponding to the pair (two) second communication holes 815 and 825 of the plates 81 and 82. is doing.
  • the first spacer 83 is arranged so as to surround the entire circumference of the inner fin 86.
  • Each first communication hole 832 is open to the fin housing opening 831.
  • the air-conditioning refrigerant can flow into and out of the first flow path 8a, but does not flow in the both end directions from the positions of the first communication holes 814 and 824.
  • Each of the second communication holes 833 is provided with a larger diameter than the protruding edge portions 815a and 825a around the second communication holes 815 and 825 of the plates 81 and 82.
  • the first spacer 83 is disposed so as to surround the protruding edge portions 815a and 825a of the second communication holes 815 and 825.
  • the second spacer 84 is disposed in the second flow path 8b.
  • the second spacer 84 has an annular shape.
  • the second spacer 84 is disposed at a corresponding position around the pair of first communication holes 814 and 824 of the plates 81 and 82.
  • the inner peripheral diameter of the second spacer 84 is larger than the protruding edge portions 814a and 824a around the first communication holes 814 and 824 of the plates 81 and 82, respectively.
  • the second spacer 84 is disposed so as to surround the protruding edges 814a and 824a of the first communication holes 814 and 824.
  • the air-conditioning refrigerant that has been changed to a high-temperature and high-pressure gas state by the compressor 10 of the refrigeration cycle is firstly connected to one first communication hole 814 of the water-cooled condenser 8 via the first refrigerant inlet of the water-cooled condenser 8. 824, 832.
  • the air-conditioning refrigerant flows through the first flow path 8a between the first plate 81 and the second plate 82, and the air-cooled condenser from the other first communication hole 814, 824, 832 through the first refrigerant outlet. 11 will flow out.
  • the cooling water cooled by the sub-radiator 7 flows into one of the second communication holes 815, 825, and 833 of the water-cooled condenser 8 through the second refrigerant inlet of the water-cooled condenser 8.
  • the composite heat exchanger 21 includes a first heat exchanger (water-cooled condenser) 8 that exchanges heat between the first refrigerant and the second refrigerant, and a first refrigerant that flows out of the first heat exchanger 8.
  • Heat exchange is performed between the second heat exchanger (air-cooled condenser) 11 that exchanges heat between the (air-conditioning refrigerant) and the cooling air, and the second refrigerant (cooling water) and the cooling air.
  • a third heat exchanger (sub-radiator) 7 that flows out to the first heat exchanger 8.
  • the first heat exchanger 8 includes a first flow path 8a (see FIG. 7), a first cylinder portion 8d as a first refrigerant inlet that allows the first refrigerant to flow into the first flow path 8a, and a first flow path.
  • a second cylinder 8e (see FIG. 2) as a first refrigerant outlet for allowing the first refrigerant to flow out of 8a, and a second channel 8b (see FIG. 7) for exchanging heat between the first channel 8a.
  • the third cylinder part 8f as a second refrigerant inlet part for allowing the second refrigerant to flow into the second flow path 8b
  • the fourth cylinder part as a second refrigerant outlet part for allowing the second refrigerant to flow out of the second flow path 8b.
  • the first cylinder portion 8d, the third cylinder portion 8f, and the fourth cylinder portion 8g are provided to extend from the first heat exchanger 8 toward the rear side (downstream side of the cooling air flow).
  • the second cylinder portion 8e extends from the first heat exchanger 8 toward the front side (upstream side of the cooling air flow).
  • the first heat exchanger 8 includes a bracket 8h protruding rightward from the first tube portion 8d, a bracket 8j protruding downward from the second tube portion 8e, and a bracket 8l protruding upward from the left end to the front side. And are provided.
  • the second heat exchanger 11 is arranged with the longitudinal direction set to the left-right direction (vehicle width direction) and the short-side direction set to the vertical direction (vehicle height direction).
  • the heat exchanger radiator section 11a includes a second heat exchanger first tank section 11b and a second heat exchanger second tank section 11c disposed on the left and right sides of the second heat exchanger radiator section 11a.
  • the second heat exchanger first tank portion 11b and the second heat exchanger second tank portion 11c are each provided with a separator 11d at the same height from the lower side inside.
  • the second heat exchanger 11 is divided into two heat exchanger parts up and down by the separator 11d.
  • a cylindrical recess 11e serving as a first refrigerant inlet, to which the second cylinder 8e of the first heat exchanger 8 is fitted and connected, is on the second heat exchanger first tank 11b. And a cylindrical portion 11g as a first refrigerant outlet portion is provided on the lower left side.
  • the cylindrical recess 11e is provided extending from the second heat exchanger first tank portion 11b toward the rear side.
  • the cylinder part 11g is provided extending downward from the second heat exchanger first tank part 11b.
  • the second heat exchanger first tank portion 11b is provided with a bracket 11h at a position corresponding to the bracket 8j of the first heat exchanger 8.
  • the second heat exchanger second tank portion 11 c is provided with a liquid tank 11 x connected to the upper and lower heat exchanger portions of the second heat exchanger 11.
  • the liquid tank 11x is attached and fixed to the second heat exchanger second tank portion 11c by the hose band 31 and the bolt 32.
  • the heat exchanger portion of the second heat exchanger 11 above the separator 11d acts as a condenser that condenses the first refrigerant flowing from the cylindrical recess 11e.
  • the first refrigerant condensed in the upper heat exchanger part flows into the liquid tank 11x.
  • the first refrigerant that has flowed from the liquid tank 11x into the lower heat exchanger portion of the second heat exchanger 11 is cooled by the lower heat exchanger portion that acts as a supercooling portion, and flows out from the cylinder portion 11g.
  • the third heat exchanger 7 is a second heat exchanger in which the longitudinal direction is the left-right direction (vehicle width direction) and the short direction is the vertical direction (vehicle height direction). 11, a third heat exchanger radiator portion 7a located on the upper side of the second heat exchanger radiator portion 11a and a left and right sides of the third heat exchanger radiator portion 7a.
  • 2nd heat exchanger 1st tank part 11b The 3rd heat exchanger 1st tank part 7b located above the 2nd heat exchanger 2nd tank part 11c
  • the 3rd heat exchanger 2nd tank part 7c located above the 2nd heat exchanger 2nd tank part 11c And.
  • the third heat exchanger first tank part 7b is provided with a first cylinder part 7d as a second refrigerant inlet part on the upper side and a second cylinder part 7e as a second refrigerant outlet part on the lower side. Yes.
  • the first tube portion 7d and the second tube portion 7e are provided extending from the third heat exchanger first tank portion 7b toward the rear side.
  • the third heat exchanger first tank portion 7b is provided with a separator 7f that partitions the inside into an upper first tank portion and a lower first tank portion.
  • the third heat exchanger radiator portion 7a is divided into an upper radiator portion and a lower radiator portion by the separator 7f.
  • coolant cooling water which flowed into the 1st cylinder part 7d of the 3rd heat exchanger 7 flows into the 3rd heat exchanger radiator part 7a from the upper 1st tank part of the 3rd heat exchanger 1st tank part 7b. It flows into an upper radiator part, and flows out into the 3rd heat exchanger 2nd tank part 7c.
  • the second refrigerant flowing into the third heat exchanger second tank portion 7c is transferred from the lower radiator portion of the third heat exchanger radiator portion 7a to the lower first tank portion of the third heat exchanger first tank portion 7b. It flows in and flows out from the second cylinder part 7e.
  • a bracket portion 7g (see FIG. 2) is provided at a position corresponding to the bracket 8l of the first heat exchanger 8 on the lower left side of the third heat exchanger first tank portion 7b.
  • brackets 8j and 11h are fastened with a fastener such as a bolt, The first heat exchanger 8 and the second heat exchanger 11 are connected.
  • one end side of the L-shaped connecting pipe 41 is fitted and connected to the third cylindrical portion 8 f of the first heat exchanger 8, and the other end side of the connecting pipe 41 is connected to the second side of the third heat exchanger 7.
  • the first heat exchanger 8 and the third heat exchanger 7 are connected by fitting and connecting to the cylinder portion 7e and fastening the bracket 8l and the bracket portion 7g with a fastener such as a bolt.
  • both the second tank portions 11c and 7c of the second heat exchanger 11 and the third heat exchanger 7 are fastened together by using a fastener such as a bolt 32 or a connecting bracket 33, so that the second heat
  • a fastener such as a bolt 32 or a connecting bracket 33
  • the liquid tank 11x is also attached.
  • the 1st heat exchanger 8 is arrange
  • the widths of the second heat exchanger 11 and the third heat exchanger 7 with respect to the width L on which 21 can be mounted are shortened, and the widths L 2 (L 2 ⁇ L 1 ) of the radiator portions 11a and 7a are also shortened.
  • the second heat exchanger 11 and the third heat exchanger 7 are arranged adjacent to each other in the vertical direction, and the first The heat exchanger 8 is attached to the downstream side of the cooling air flow of the second heat exchanger 11 and the third heat exchanger 7.
  • the first heat exchanger 8 includes the radiator portions 11a and 7a of the second heat exchanger 11 and the third heat exchanger 7, the second heat exchanger first tank portion 11b of the second heat exchanger 11, and The third heat exchanger 7 is attached across the third heat exchanger first tank portion 7b.
  • the width (length in the left-right direction) of the second heat exchanger 11 and the third heat exchanger 7 with respect to the width L on which the composite heat exchanger 21 can be mounted can be increased, and each radiator section 11a, 7a width L 1 of the can also be lengthened. Thereby, the area (cooling effective area) of each radiator part 11a, 7a can be enlarged, and cooling efficiency improves.
  • a cylindrical recess (first refrigerant inlet portion) 11e and a cylindrical portion (first refrigerant outlet portion) 11g are provided in the second heat exchanger first tank portion 11b.
  • the third heat exchanger 7 is provided with a first cylinder part (second refrigerant inlet part) 7d and a second cylinder part (second refrigerant outlet part) 7e in the third heat exchanger first tank part 7b.
  • first cylinder part (first refrigerant inlet part) 8d, the third cylinder part (second refrigerant inlet part) 8f, and the fourth cylinder part (second refrigerant outlet part) 8g are cooled by the first heat exchanger 8. It extends in the direction of wind flow (downstream of the flow of cooling air).
  • a cylindrical recess (first refrigerant inlet portion) 11e extends toward the second heat exchanger first tank portion 11b of the second heat exchanger 11 in the flow direction of cooling air (downstream of the flow of cooling air). Is provided.
  • the first cylinder part (second refrigerant inlet part) 7d and the second cylinder part (second refrigerant outlet part) 7e flow into the third heat exchanger first tank part 7b of the third heat exchanger 7 in the flow direction of the cooling air. It extends toward the downstream side of the cooling air flow. For this reason, since piping is normally arrange
  • the third tube portion 8 f of the first heat exchanger 8 and the second tube portion 7 e of the third heat exchanger 7 are connected by the connection pipe 41. For this reason, even if the first heat exchanger 8 and the third heat exchanger 7 have a dimensional error, a mounting error, etc., and the positions of the third tube portion 8f and the second tube portion 7e are shifted, the third tube portion 8f. And the second tube portion 7e can be easily connected with the connection pipe 41 with good workability.
  • the second cylindrical portion 8e of the first heat exchanger 8 is directly attached to the cylindrical concave portion 11e of the second heat exchanger 11. For this reason, the piping which connects the heat exchangers 8 and 11 can be decreased.
  • FIG. 9 is a partially exploded perspective view similar to FIG.
  • the difference between the composite heat exchanger 21A according to the second embodiment shown in FIG. 9 and the composite heat exchanger 21 according to the first embodiment shown in FIGS. 1 to 4 is as follows. That is, the third cylinder portion 8fA corresponding to the third cylinder portion 8f of the composite heat exchanger 21 is provided in the first heat exchanger 8 so as to extend toward the front side (upstream side of the flow of cooling air). ing.
  • the third heat exchanger first tank portion 7b of the third heat exchanger 7 is provided with a cylindrical concave portion 7h into which the third cylindrical portion 8fA is fitted and connected as a second refrigerant outlet portion.
  • the third cylindrical portion 8fA of the first heat exchanger 8 is directly attached to the cylindrical recess 7h of the third heat exchanger 7. For this reason, the piping which connects each heat exchanger 8 and 7 can be decreased.
  • FIG. 10 is a partially exploded perspective view similar to FIG.
  • the difference between the composite heat exchanger 21B according to the third embodiment shown in FIG. 10 and the composite heat exchanger 21 according to the first embodiment shown in FIGS. 1 to 4 is as follows. That is, in order to connect and fix the heat exchangers 8, 11 and 7, the first heat exchanger 8 is provided with a connection bracket 8p instead of the bracket 8l. The 2nd heat exchanger 11 is provided with the connection bracket 11p connected with the connection bracket 8p. The third heat exchanger 7 is provided with a connection bracket 7p connected to the connection bracket 8p instead of the bracket portion 7g.
  • first to third heat exchangers 8, 11, and 7 are connected and fixed by the connecting brackets 8p, 11p, and 7p, the first to third heat exchangers 8, 11, and 7 can be firmly connected and fixed. .
  • the second heat exchanger 11 is disposed on the lower side in the vertical direction and the third heat exchanger 7 is disposed on the upper side of the second heat exchanger 11 has been shown.
  • the third heat exchanger 7 may be disposed on the lower side in the vertical direction
  • the second heat exchanger 11 may be disposed on the upper side of the third heat exchanger 7.
  • the example which attached the 1st heat exchanger 8 to the downstream (rear side) of the flow of the cooling air of the 2nd heat exchanger 11 and the 3rd heat exchanger 7 was shown.
  • the first heat exchanger 8 may be attached to the upstream side (front side) of the flow of cooling air between the second heat exchanger 11 and the third heat exchanger 7.
  • mold which has a radiator part up and down was shown.
  • the second heat exchanger 11 and the third heat exchanger 7 may have a one-pass configuration in which the refrigerant flows from one tank part to the other tank part.
  • the cylinder part 11g is shown facing downward. However, the cylindrical portion 11g may be directed toward the cooling air flow direction, particularly, the downstream side (rear side) of the cooling air flow.
  • the composite heat exchangers 21, 21A, and 21B are mounted on the vehicle, the mounting of the composite heat exchangers 21, 21A, and 21B is not limited to the vehicle.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
PCT/JP2013/082569 2012-12-28 2013-12-04 複合型熱交換器 WO2014103639A1 (ja)

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JP2012286916A JP5985387B2 (ja) 2012-12-28 2012-12-28 複合型熱交換器
JP2012-286916 2012-12-28

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CN106767086A (zh) * 2016-12-30 2017-05-31 潍柴动力股份有限公司 一种换热器结构
EP4148369A1 (en) * 2021-09-08 2023-03-15 Valeo Autosystemy SP. Z.O.O. A heat exchange assembly

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JP6891711B2 (ja) * 2017-08-02 2021-06-18 株式会社デンソー 複合型熱交換器
JP7119818B2 (ja) * 2018-09-18 2022-08-17 トヨタ自動車株式会社 車両前部構造

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JP2006207920A (ja) * 2005-01-27 2006-08-10 Denso Corp 熱交換器の接続構造
JP2007170776A (ja) * 2005-12-26 2007-07-05 Denso Corp 複合型熱交換器および熱交換器
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EP4148369A1 (en) * 2021-09-08 2023-03-15 Valeo Autosystemy SP. Z.O.O. A heat exchange assembly
WO2023036890A1 (en) * 2021-09-08 2023-03-16 Valeo Autosystemy Sp. Z O.O. A heat exchanger assembly

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CN104903675A (zh) 2015-09-09
JP2014129907A (ja) 2014-07-10
JP5985387B2 (ja) 2016-09-06
CN104903675B (zh) 2017-03-15

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