WO2010150774A1 - Évaporateur avec fonction de stockage de froid - Google Patents

Évaporateur avec fonction de stockage de froid Download PDF

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Publication number
WO2010150774A1
WO2010150774A1 PCT/JP2010/060537 JP2010060537W WO2010150774A1 WO 2010150774 A1 WO2010150774 A1 WO 2010150774A1 JP 2010060537 W JP2010060537 W JP 2010060537W WO 2010150774 A1 WO2010150774 A1 WO 2010150774A1
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WO
WIPO (PCT)
Prior art keywords
refrigerant
evaporator
pipe part
cold storage
refrigerant flow
Prior art date
Application number
PCT/JP2010/060537
Other languages
English (en)
Japanese (ja)
Inventor
直久 東山
理 鴨志田
Original Assignee
昭和電工株式会社
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 昭和電工株式会社 filed Critical 昭和電工株式会社
Priority to JP2011519900A priority Critical patent/JP5470385B2/ja
Publication of WO2010150774A1 publication Critical patent/WO2010150774A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00492—Heating, cooling or ventilating [HVAC] devices comprising regenerative heating or cooling means, e.g. heat accumulators
    • B60H1/005—Regenerative cooling means, e.g. cold accumulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00321—Heat exchangers for air-conditioning devices
    • B60H1/00328—Heat exchangers for air-conditioning devices of the liquid-air type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F25B39/022—Evaporators with plate-like or laminated 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
    • 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
    • F28D1/03—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 plate-like or laminated conduits
    • F28D1/0308—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other
    • F28D1/0325—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
    • F28D1/0333—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members
    • 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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/24—Storage receiver heat
    • 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
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/0004—Particular heat storage apparatus
    • F28D2020/0013—Particular heat storage apparatus the heat storage material being enclosed in elements attached to or integral with heat exchange conduits
    • 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
    • F28D2021/0085—Evaporators
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

Definitions

  • the present invention relates to an evaporator with a cold storage function used for a car air conditioner of a vehicle that temporarily stops an engine that is a drive source of a compressor when the vehicle is stopped.
  • the evaporator is provided with a cold storage function, and when the engine stops and the compressor stops, the interior of the vehicle can be cooled using the cold energy stored in the evaporator. It is considered.
  • a pair of refrigerant header portions arranged at intervals from each other, and a gap between the refrigerant header portions and the refrigerant header portion are directed in the width direction and in the length direction of the refrigerant header portion.
  • a plurality of flat refrigerant flow pipes whose both ends are respectively connected to both refrigerant header parts, and arranged in the width direction in the direction of ventilation and fixed to one side of the refrigerant flow pipe
  • a hollow regenerator container in which a regenerator material is enclosed, and a plurality of sets of refrigerant circulation pipes and a regenerator container are formed in which the dimensions in the thickness direction of the regenerator container are equal throughout.
  • cold heat is stored in the cold storage material in the cold storage material container by the low-temperature refrigerant flowing through the refrigerant circulation pipe.
  • An object of the present invention is to provide an evaporator with a cold storage function that can solve the above-described problems and prevent a decrease in cold storage efficiency.
  • the present invention comprises the following aspects in order to achieve the above object.
  • a first tank forming portion for forming a first communication tank portion for refrigerant passing through the first refrigerant flow pipe portion and a second communication tank portion for refrigerant passing through the second refrigerant flow pipe portion are formed in the flat hollow body.
  • the thickness of the first refrigerant circulation pipe part is equal to the thickness of the set composed of the second refrigerant circulation pipe part and the regenerator material enclosing pipe part, and is the dimension in the thickness direction of both refrigerant circulation pipe parts in the fin.
  • the flat second regenerator material enclosing pipe part is disposed in the width direction in the airflow direction and spaced from each other.
  • the first regenerator material enclosing tube part and the second regenerator material enclosing tube part forming a pair with the second refrigerant circulation pipe part are communicated, and the leeward side portions of the fins are adjacent to the second regenerator material enclosing tube part.
  • the first refrigerant circulation pipe part, the second refrigerant circulation pipe part, the first regenerator material enclosing pipe part and the second regenerator material enclosing pipe part are integrally provided in one flat hollow body, and the flat hollow body
  • a first tank forming portion for forming a first communication tank portion for refrigerant passing through the first refrigerant flow pipe portion and a second communication tank portion for refrigerant passing through the second refrigerant flow pipe portion are formed in the flat hollow body.
  • the thickness of the first refrigerant circulation pipe part, the thickness of the set consisting of the second refrigerant circulation pipe part and the first cold storage material enclosing pipe part, and the thickness of the second cold storage material enclosure pipe part are equal.
  • the thickness of the first refrigerant flow pipe part is equal to the thickness of the second refrigerant flow pipe part, and the fin height, which is the dimension in the thickness direction of both refrigerant flow pipe parts in the second fin, is the first.
  • the evaporator with a cold storage function according to the above 11) which is smaller than the height of the fin, which is a dimension in the thickness direction of both refrigerant flow pipe portions in the fin.
  • Fins are arranged in the windward ventilation gap, and at least a part of all the leeward ventilation gaps is provided with a regenerator material enclosing tube part in which a regenerator material is enclosed, and contacts the second refrigerant circulation pipe parts on both sides
  • the thickness of the regenerator material enclosing tube portion is equal to the width of the leeward side ventilation gap, and the regenerator material enclosing tube portion is arranged in some of the leeward side ventilation gaps among a plurality of the leeward side ventilation gaps.
  • a protruding portion protruding outward is formed on at least one side surface of the both sides of the regenerator material enclosing tube portion, and the protruding end portion of the protruding portion is brought into contact with the second refrigerant circulation tube portion.
  • the thickness of the regenerator material enclosing tube portion is equal to the width of the leeward side ventilation gap, the regenerator material enclosing tube portion is disposed in the entire leeward side airflow gap, and at least of both side surfaces of the regenerator material enclosing tube portion A plurality of convex portions projecting outward are formed on one side surface, and the projecting end portion of the convex portion is brought into contact with the second refrigerant flow tube portion, whereby the cold storage material enclosing tube portion and the second refrigerant flow tube.
  • the flat first refrigerant circulation pipe portion that is oriented in the width direction in the wind direction and spaced from each other, and the lee of the first refrigerant circulation pipe portion
  • the two second refrigerant flow pipe portions that are flat and oriented in the ventilation direction and spaced apart from each other, and between the two second refrigerant flow pipe portions that are adjacent to each other in the width direction.
  • the air passes through the evaporator, it is arranged so as to be in contact with at least one of the second refrigerant flow pipe parts and is provided with a flat cold storage material enclosing pipe part in which the regenerator material is enclosed.
  • the regenerator material in the regenerator material enclosing tube portion is prevented from being heated by high-temperature air, and it is possible to prevent a decrease in the regenerator efficiency.
  • it becomes possible to prevent the fall of cool storage efficiency it becomes possible to reduce the quantity of the cool storage material enclosed in the cool storage material enclosure pipe part, and can achieve weight reduction.
  • the thickness of a cool storage material enclosure pipe part can be made thin, and the space
  • the cold heat of the cold storage material in the cold storage material enclosing tube portion is transferred from one side of the cold storage material enclosure tube portion through the fins. Since it is transmitted to the air passing through the leeward side ventilation gap, the cooling performance is improved.
  • the first refrigerant circulation pipe part, the second refrigerant circulation pipe part, and the cold storage material enclosing pipe part are integrally provided in one flat hollow body, and the flat hollow body Are arranged side by side, the cool storage material in the cool storage material enclosing tube section is cooled by the low-temperature refrigerant flowing through the first coolant circulation pipe section and the second coolant circulation pipe section, and the cool storage material is efficiently used. Can store cold energy.
  • the thickness of the first cool storage material enclosing tube portion can be further reduced, and the adjacent first coolant circulation It becomes possible to enlarge the space
  • the first refrigerant circulation pipe part, the second refrigerant circulation pipe part, the first cold storage material enclosure pipe part, and the second cold storage material enclosure pipe part are integrated into one flat hollow body. Since the flat hollow bodies are arranged side by side, the low temperature refrigerant flowing through the first refrigerant circulation pipe part and the second refrigerant circulation pipe part causes the inside of the first cold storage material enclosing pipe part and the second cold storage.
  • the regenerator material in the material enclosing tube part is cooled, and cold energy can be efficiently stored in the regenerator material.
  • the wind passing through the windward ventilation gap passes through the ventilation gap formed between the cold storage material enclosing pipe part and the second refrigerant circulation pipe part. It will flow, and an increase in ventilation resistance can be controlled.
  • FIG. 3 is an enlarged sectional view taken along line AA in FIG. 2.
  • FIG. 3 is an enlarged sectional view taken along line BB in FIG. 2.
  • FIG. 3 is an enlarged cross-sectional view taken along the line CC in which a part of FIG. 2 is omitted.
  • It is a disassembled perspective view which shows most flat hollow bodies which comprise the evaporator with a cool storage function of FIG.
  • FIG. 13 is an enlarged sectional view taken along line DD in FIG. 12. It is sectional drawing equivalent to FIG. 13 which shows the evaporator with a cool storage function of Embodiment 4 of this invention. It is sectional drawing equivalent to FIG. 13 which shows the evaporator with a cool storage function of Embodiment 5 of this invention. It is a perspective view which shows the cool storage material enclosure pipe
  • the downstream side in the ventilation direction (the direction indicated by the arrow X in FIGS. 1, 3, 4, 8, 10, and 12 to 15) is the front, and the opposite side is the rear. To do.
  • aluminum includes aluminum alloys in addition to pure aluminum.
  • Embodiment 1 This embodiment is shown in FIGS. In the description related to the first embodiment, it is assumed that the top, bottom, left and right in FIG.
  • FIGS. 1 to 3 show the overall configuration of the evaporator with a cold storage function of the first embodiment
  • FIGS. 4 to 7 show the configuration of the main part thereof.
  • FIG. 8 shows how the refrigerant flows in the evaporator with the cold storage function of FIG.
  • the evaporator with cold storage function (1) has a flat first refrigerant flow that extends in the vertical direction with the width direction oriented in the front-rear direction (ventilation direction) and spaced from each other in the left-right direction.
  • the flat second refrigerant extending in the vertical direction with the width direction directed in the front-rear direction and spaced apart from each other in the left-right direction.
  • one side of the second refrigerant flow pipe part (3) is in contact between the flow pipe part (3) and the second refrigerant flow pipe part (3) adjacent to each other with the width direction directed in the air flow direction.
  • regenerator material (P) is enclosed
  • first refrigerant flow tube part (2) provided in the up and down direction and spaced apart from each other.
  • Part (6) is provided in line with the front side of the second communication tank part (6) for both refrigerants with a space in the vertical direction, and the upper and lower ends of the regenerator material enclosing pipe part (4) are communicated with each other. It has a pair of upper and lower communication tanks for regenerator material (7), and a plurality of flat hollow bodies (8) are arranged in a stacked manner in the left-right direction with the width direction facing the front-rear direction, and waxed to each other It is formed by being attached.
  • the thickness of the first refrigerant flow pipe part (2) of the evaporator with the cold storage function, the second refrigerant flow pipe part (3), and the cold storage material enclosing pipe part (4) in contact with the second refrigerant flow pipe part (3) ) Is equal to the thickness of the group (9).
  • the space between adjacent ones of the first refrigerant flow pipe part (2) of the evaporator (1) with the cold storage function becomes the windward ventilation gap (10A), and the second refrigerant flow pipe part (3) and the cold storage material enclosing pipe part ( The space between adjacent ones of the group (9) consisting of 4) is the leeward side ventilation gap (10B). From the first refrigerant circulation pipe part (2), the second refrigerant circulation pipe part (3) and the regenerator material enclosing pipe part (4) so as to straddle the windward ventilation gap (10A) and the leeward ventilation gap (10B).
  • An aluminum corrugated outer fin (11) shared with the set (9) is arranged, and the first refrigerant flow pipe part (2), the second refrigerant flow pipe part (3) and the regenerator material are enclosed. It is brazed to the pipe (4). Also, a set comprising a first refrigerant flow pipe part (2) at both left and right ends of the evaporator (1) with a cold storage function, and a second refrigerant flow pipe part (3) and a cold storage material enclosing pipe part (4) at both right and left ends. Also on the outside of (9), it is made of aluminum that is shared by the first refrigerant circulation pipe part (2) and the group (9) consisting of the second refrigerant circulation pipe part (3) and the regenerator material enclosing pipe part (4).
  • the corrugated outer fin (11) is disposed, and is brazed to the first refrigerant flow pipe part (2), the second refrigerant flow pipe part (3) and the regenerator material enclosing pipe part (4). Further, aluminum side plates (12) are disposed outside the outer fins (11) at both left and right ends and brazed to the outer fins (11).
  • the fin height which is the dimension of the outer fin (11) in the left-right direction (thickness direction of both refrigerant flow pipe portions (2) and (3)) is equal to the whole.
  • the fin height of the outer fin (11) is preferably 3.5 to 8 mm.
  • the upper refrigerant first communication tank section (5) and the upper refrigerant second communication tank section (6) are respectively left and right by partition members (13) and (14) provided at the center in the left-right direction. It is divided into two sections (5a) (5b) (6a) (6b).
  • a refrigerant inlet (15) is provided at the right end of the right compartment (6b) in the upper refrigerant second communication tank (6), and the right compartment (5b) of the upper refrigerant first communication tank (5) is provided.
  • a refrigerant outlet (16) is provided at the right end.
  • the left compartment (5a) of the upper refrigerant first communication tank section (5) and the left compartment (6a) of the upper refrigerant second communication tank section (6) are communicated via the communication passage (20). It has been.
  • the internal cross-sectional area of the first communication tank part (5) for both the upper and lower refrigerants and the second communication tank part (6) for both the upper and lower refrigerants is larger than the internal cross-sectional area of the communication tank part (7) for both the upper and lower refrigerant storage materials. It is getting bigger.
  • the cool storage material injection port is formed in either one of the upper and lower both cool storage material communication tank parts (7), and the air vent at the time of cool storage material enclosure is formed in the other. The cool storage material inlet and the air vent are closed after the cool storage material is injected into the cool storage material sealing tube (4).
  • a bulging first refrigerant flow pipe portion (2) extending in the vertical direction is provided on the windward side portion (rear side portion) of the flat hollow body (8), Similarly, on the leeward side, a bulging second refrigerant flow pipe portion (3) extending in the vertical direction and a bulging cold storage material fixedly provided on the right side surface of the second refrigerant flow pipe portion (3).
  • a set (9) comprising the enclosing tube portion (4) is provided.
  • the width of the second tank forming section (18) in the front-rear direction is narrower than the width of the second refrigerant flow pipe section (3) in the front-rear direction, and excludes the portion near the front end of the second refrigerant flow pipe section (3). Is provided.
  • the width in the front-rear direction of the third tank forming part (19) is narrower than the width in the front-rear direction of the second tank forming part (18). It is provided on the front side of the two tank forming section (18).
  • the flat hollow body (8) includes an outer bulging part for the first pipe part (22) for forming the first refrigerant flow pipe part (2), and an outer bulging part for the first pipe part (22).
  • the second pipe portion for forming the first tank outer bulge portion (23), which is connected to the upper and lower ends and forms the upper and lower first tank forming portions (17), and the second refrigerant flow pipe portion (3) The second tank outer bulge part that is connected to the upper and lower ends of the outer bulge part (24) and the second pipe outer bulge part (24) and forms both upper and lower second tank forming parts (18) (25) and a first aluminum plate (21) having a third tank outward bulging portion (26) that forms both upper and lower third tank forming portions (19), and a first refrigerant flow pipe portion (2)
  • the first pipe outer bulge part (22) and the first pipe outer bulge part (22) are connected to the upper and lower ends and form both upper and lower first tank forming parts (17).
  • the second tank forming the outer bulging portion (23) for the first tank and the upper and lower second tank forming portions (18)
  • a second aluminum plate (27) having a third tank outer bulging portion (26) which forms both upper and lower third tank forming portions (19), and the outer bulging portion ( 22) (23) (24) (25) (26) (28) are arranged in a stack so that the openings face each other, and an aluminum partition plate between the aluminum plates (21) (27) (29) is interposed and brazed to both aluminum plates (21) and (27).
  • the bulge heights of the first bulge outer bulge portion (22) and the second bulge outer bulge portion (24) of the first aluminum plate (21) of the flat hollow body (8) are equal,
  • the bulge heights of the first tank outer bulge portion (23), the second tank outer bulge portion (25) and the third tank outer bulge portion (26) are equal, It is higher than the bulge height of the outward bulge part (22) for the first pipe part and the outward bulge part (24) for the second pipe part.
  • Communication holes (31), (32), and (33) are formed in the bulging top walls of (25) and the third tank outward bulging portion (26), respectively.
  • the bulging heights of the outer bulging portion (22) for the first tube portion and the outer bulging portion (28) for the third tube portion of the second aluminum plate (27) of the flat hollow body (8) are equal,
  • the bulge heights of the first tank outer bulge portion (23), the second tank outer bulge portion (25) and the third tank outer bulge portion (26) are equal, It is higher than the bulging height of the outward bulging portion (22) for the first tube portion and the outward bulging portion (28) for the third tube portion.
  • Communication holes (31) and (32) are formed in the bulging top wall of the protruding portion (25).
  • Partition members (13) and (14) are formed by the walls.
  • a communication hole is formed in the bulging top wall of the third tank outer bulging portion (26) of the second aluminum plate (27) excluding the second aluminum plate (27) of the flat hollow body (8) at the right end. 33) is formed.
  • first and second refrigerant flow pipe sections (2) and (3) leading to the left compartments (5a) and (6a) of the refrigerant first communication tank section (5) and the second refrigerant communication tank section (6) Of the flat hollow body (8), the first aluminum plate (21) and the second aluminum plate (27) of a plurality of flat hollow bodies (8) at appropriate positions excluding the flat hollow body (8) located at the left end.
  • an outward bulging portion for forming a communication path that passes through the upper bulging portion (23) for the first upper tank and the outer bulging portion (25) for the second upper tank. (34) is formed.
  • the bulging height of the outward bulging portion (34) for forming the communication path is equal to the bulging height of the outer bulging portion (23) for the first tank and the outer bulging portion (25) for the second tank. It has become.
  • the first and second aluminum plates (27) have an outer bulging portion for the first pipe portion (22) and upper and lower first bulging portions for the first tank. (23)
  • a first through hole (35) which is long in the vertical direction and passes through the inside is formed.
  • the upper and lower ends of the intermediate portion of the partition plate (29) in the ventilation direction are respectively passed through the inside of the second tank outer bulge portion (25) of the first and second aluminum plates (21, 27).
  • a second through hole (36) is formed.
  • the upper and lower ends of the leeward side portion of the partition plate (29) are respectively passed through the third tank outer bulge portion (26) of the first and second aluminum plates (21) and (27).
  • Three through holes (37) are formed. The size of the third through hole (37) is smaller than the size of the second through hole (36).
  • the first aluminum plate (21), the second aluminum plate (27) and the partition plate (29) are formed by pressing an aluminum brazing sheet having a brazing filler metal layer on both sides.
  • coolant flow pipe part (2) is formed of the 1st aluminum plate (21) of a flat hollow body (8), and the outward bulging part (22) for 1st pipe parts of a 2nd aluminum plate (27).
  • the second refrigerant flow pipe portion (3) is formed by the outer bulge portion (24) for the second pipe portion and the partition plate (29) of the first aluminum plate (21), and the second aluminum plate (27).
  • the third tube portion outward bulge portion (28) and the partition plate (29) form a cold storage material enclosing tube portion (4).
  • a corrugated aluminum inner fin (38) is disposed so as to straddle the bulging portion (22) and brazed to the first aluminum plate (21) and the second aluminum plate (27).
  • a corrugated aluminum inner fin (39) is disposed in the second refrigerant flow pipe section (3) and brazed to the first aluminum plate (21) and the partition plate (29).
  • the communication path (20) is formed by the communication channel forming outer bulge portion (34) of the first aluminum plate (21) and the second aluminum plate (27) of the flat hollow body (8).
  • a corrugated aluminum inner fin (30) is disposed in the cold storage material enclosing tube portion (4) and brazed to the second aluminum plate (27) and the partition plate (29).
  • a first tank forming portion (17) is formed by the first tank outer bulge portion (23) of the first aluminum plate (21) and the second aluminum plate (27) in each flat hollow body (8).
  • the second tank forming portion (18) is formed by the second tank outer bulging portion (25) of the first aluminum plate (21) and the second aluminum plate (27), and the first aluminum plate (21) and
  • a third tank forming portion (19) is formed by the third tank outward bulging portion (26) of the second aluminum plate (27).
  • the first tank outer bulging portion (23), the second tank outer bulging portion (25), and the third tank outer bulging portion (26) of the adjacent flat hollow bodies (8) are provided.
  • the bulging top walls are brazed so that the communication holes (31), (32), and (33) can communicate with each other, and the first tank forming portion (17) of the entire flat hollow body (8) is used for the first communication for refrigerant.
  • the tank part (5) is configured
  • the second tank forming part (18) constitutes the second communication tank part for refrigerant (6)
  • the third tank forming part (19) constitutes the regenerator material communication tank part (7). Is configured.
  • the space between the first refrigerant flow pipe portions (2) of the adjacent flat hollow bodies (8) becomes the windward ventilation gap (10A), from the second refrigerant flow pipe portion (3) and the regenerator material enclosure pipe portion (4). Between these pairs (9) is the leeward ventilation gap (10B).
  • the first and second refrigerant flow pipe portions (2) and (3) of the flat hollow body (8), the first communication tank portion (5) for refrigerant and the second communication tank portion (6) for refrigerant, and the outer The fin (11) forms an evaporation section, and the cool storage material enclosing tube section (4), the cool storage material communication tank section (7), and the outer fin (11) form a cool storage section.
  • regenerator material (P) having a freezing point adjusted to about 3 to 10 ° C., for example, water or paraffin, is enclosed in the regenerator material enclosing tube (4) of the regenerator.
  • the amount of the regenerator material (P) enclosed in the regenerator material enclosure tube (4) should be such that it fills the regenerator material enclosure tube (4) of the flat hollow body (8) up to the upper end. Is good.
  • the evaporator with a cold storage function (1) constitutes a refrigeration cycle using a chlorofluorocarbon refrigerant together with a compressor and a condenser as a refrigerant cooler, and is mounted on a vehicle such as an automobile as a car air conditioner.
  • the gas-liquid mixed phase two-phase refrigerant that has passed through the compressor, the condenser, and the expansion valve flows from the refrigerant inlet (15) to the second refrigerant tank for the upper refrigerant (6 ) Enters the right side compartment (6b), divides and flows into the second refrigerant flow pipe portion (3) leading to the right side compartment (6b), and moves downward in the second refrigerant flow pipe portion (3). It flows into the second communication tank section (6) for the lower refrigerant.
  • the refrigerant that has entered the second refrigerant tank (6) for the lower refrigerant flows to the left, and is divided to communicate with the left compartment (6a) of the second refrigerant tank (6) for the upper refrigerant. It flows into the flow pipe section (3), flows upward in the second refrigerant flow pipe section (3), enters the left compartment (6a) of the second communication tank section (6) for the upper refrigerant, 20) through the left compartment (5a) of the upper refrigerant first communication tank (5).
  • the refrigerant that has entered the left compartment (5a) is diverted and flows into the first refrigerant circulation pipe (2) that leads to the left compartment (5a), and flows through the first refrigerant circulation pipe (2).
  • the cold heat of the low-temperature refrigerant flowing through the first refrigerant flow pipe portion (2) of the flat hollow body (8) is converted into the first aluminum plate (21), the second aluminum plate (27), and the partition plate (29).
  • the cold heat of the low-temperature refrigerant flowing through the second refrigerant flow pipe portion (3) is transferred to the cold storage material enclosed in the cold storage material enclosure pipe portion (4) via the outer fin (11) and the partition plate ( It is transmitted to the cool storage material enclosed in the cool storage material enclosing pipe part (4) via 29), and as a result, cold heat is stored in the cool storage material.
  • FIG. 9 shows a modification of the flat hollow body.
  • the tip of the protrusion (42) is brazed to the partition plate (29) in a state of being in contact with the partition plate (29). Furthermore, the second aluminum plate (27) is formed so as to be dotted with projections (43) projecting toward the partition plate (29) on the bottom wall of the third tubular portion outward bulge portion (28). The tip of the protrusion (43) is brazed to the partition plate (29) in a state of being in contact with the partition plate (29).
  • Embodiment 2 This embodiment is shown in FIGS. In the description of the second embodiment, the upper and lower sides and the left and right are the same as those in the first embodiment.
  • a set (9) consisting of the second refrigerant circulation pipe part (3) and the cold storage material sealing pipe part (4) (hereinafter referred to as the first cold storage material sealing pipe part (4)).
  • a flat second regenerator material enclosing tube portion (50) extending in the vertical direction is disposed in the width direction in the wind direction and spaced from each other in the left-right direction.
  • the inside of the second regenerator material enclosing pipe part (50) is communicated with the inside of the first regenerator material enclosing pipe part (4) forming a group (9) with the second refrigerant circulation pipe part (3).
  • the upper and lower ends of the first regenerator material enclosing tube (4) of the evaporator with the regenerator function of Embodiment 2 are not communicated with the upper and lower regenerator tanks (7), and the second regenerator material enclosed tube The upper and lower ends of the part (50) are communicated with the upper and lower regenerator material communication tank part (7). Further, the thickness of the second regenerator material enclosing tube part (50) is equal to the thickness of the set (9) comprising the second refrigerant circulation tube part (3) and the first regenerator material enclosing tube part (4). .
  • the leeward side portion of the outer fin (11) reaches the second regenerator material enclosing tube part (50) and is brazed to the second regenerator material enclosing tube part (50).
  • the leeward side portion of the flat hollow body (51) constituting the evaporator with the cold storage function of the second embodiment projects forward from the flat hollow body (8) constituting the evaporator with the cold storage function of the first embodiment.
  • the second regenerator material enclosing tube portion (50) extending vertically in the leeward side of the group (9) comprising the second refrigerant flow tube portion (3) and the first regenerator material enclosing tube portion (4) in the body (51) ) Is provided.
  • the width in the front-rear direction of the second tank forming part (18) forming the second communication tank part (6) for refrigerant of the flat hollow body (51) is the same as the width in the front-rear direction of the second refrigerant flow pipe part (3). It is almost equal.
  • a third tank forming portion in the form of a bulge that forms a cold storage material communication tank portion (7) in a portion leeward of the second tank forming portion (18) at the upper and lower ends of the flat hollow body (51).
  • the width in the front-rear direction of the third tank forming part (52) is substantially equal to the width in the front-rear direction of the second cool storage material enclosure pipe part (50).
  • the flat hollow body (51) includes a first tube outer bulge portion (22), a first tank outer bulge portion (23), a second pipe portion outer bulge portion (24), and In addition to the second tank outer bulge part (25), the fourth pipe part outer bulge part (54) and the fourth pipe part for forming the second cold storage material enclosing pipe part (50)
  • a first aluminum plate (53) having a third tank outer bulge portion (55) which is continuous with both upper and lower ends of the outer bulge portion (54) and forms upper and lower third tank forming portions (52); , First tube outer bulge portion (22), first tank outer bulge portion (23), second tank outer bulge portion (25), and third tube outer bulge portion
  • a second aluminum plate (56) having a third tank outward bulging portion (55) which is continuous with both upper and lower ends and forms upper and
  • the side bulges (22) (23) (24) (25) (28) (54) (55) are arranged in a stack so that the openings face each other, and both aluminum plates (53) (56)
  • An aluminum partition plate (57) is interposed between the two aluminum plates (53) and (56) and is brazed.
  • the bulge height of the fourth bulge outer bulge portion (54) of the first aluminum plate (53) of the flat hollow body (51) is the same as the first bulge outer bulge portion (22) and the first bulge portion. It is equal to the bulging height of the outer bulging portion (24) for the two pipe portions.
  • the bulge height of the fourth tube portion outward bulge portion (54) of the second aluminum plate (27) is the first tube portion outward bulge portion (22) and the third tube portion outward bulge. It is equal to the bulging height of the protruding portion (28), and the inside of the fourth pipe portion outward bulging portion (54) communicates with the inside of the third pipe portion outward bulging portion (28).
  • the first tank plate outside the first aluminum plate (53) excluding the first aluminum plate (53) of the flat hollow body (51) at the left end portion The bulging top walls of the side bulging portion (23), the second tank outer bulging portion (25), and the third tank outer bulging portion (55) are each provided with communication holes (31) (32) ( 58) is formed.
  • Communication holes (31) and (32) are formed in the bulging top wall of the protruding portion (25).
  • a communication hole (in the bulging top wall of the third tank outer bulging portion (55) of the second aluminum plate (56) excluding the second aluminum plate (56) of the flat hollow body (51) at the right end portion ( 58) is formed.
  • the partition plate (57) includes both the upper and lower sides of the first and second aluminum plates (53) and (56).
  • a third through hole (59) is formed through the inside of the third tank outward bulge (55). The size of the third through hole (59) is smaller than the size of the second through hole (36).
  • the first aluminum plate (53), the second aluminum plate (56) and the partition plate (57) are formed by pressing an aluminum brazing sheet having a brazing filler metal layer on both sides.
  • outward bulge part (22) for 1st pipe parts of the 1st aluminum plate (53) of a flat hollow body (51), and the outward bulge part for 1st pipe parts (2nd aluminum plate (57)) ( 22) forms the first refrigerant flow pipe portion (2), and the second refrigerant flow is formed by the second pipe outer bulge portion (24) and the partition plate (57) of the first aluminum plate (53).
  • a pipe part (3) is formed, and a first cold storage material-filled pipe part (4) is formed by the outer bulge part (28) for the third pipe part of the second aluminum plate (56) and the partition plate (57).
  • the second cold storage is performed by the fourth tube outer bulge portion (54) of the first aluminum plate (53) and the fourth tube outer bulge portion (54) of the second aluminum plate (56).
  • a material enclosing tube portion (50) is formed. Therefore, the inside of the second regenerator material enclosing tube portion (50) is divided into left and right sections by the partition plate (57).
  • the partition plate (57) may be formed with penetrating holes through the left and right compartments of the second regenerator material enclosing tube portion (50).
  • the corrugated aluminum inner fin (100) extends over the right side of the partition plate (57) in the first first regenerator material enclosing tube (4) and in the second regenerator material enclosing tube (50).
  • a corrugated aluminum inner fin (101) is disposed on the left side of the partition plate (57) in the second regenerator material enclosing tube portion (50), so that the first aluminum plate (53) and the partition plate are arranged. (57) is brazed.
  • third tank outer bulge portion (55) of the first aluminum plate (53) and the third tank outer bulge portion (55) of the second aluminum plate (56) in each flat hollow body (51). ) Form a third tank forming part (52).
  • a tank part (5) is constituted, a second tank forming part (18) constitutes a refrigerant second communication tank part (6), and a third tank forming part (52) constitutes a cold storage material communication tank part (7). Is configured.
  • the other configurations of the evaporator with the cold storage function of the second embodiment are the same as those of the evaporator with the cold storage function of the first embodiment, and the cooling and cooling operation when the compressor is on and the cooling operation when the compressor is stopped are also performed. This is the same as the evaporator with the cold storage function of the first mode.
  • the first refrigerant flow pipe part (2), the second refrigerant flow pipe part (3), and the cold storage material enclosing pipe part (4) are integrally provided in the flat hollow body (8), and the refrigerant
  • the first communication tank portion (5), the refrigerant second communication tank portion (6), and the cold storage material communication tank portion (7) are the first refrigerant flow pipe portion (2) and the second refrigerant flow pipe portion (3).
  • the present invention is not limited to this, and the first refrigerant circulation pipe part (2), the second refrigerant circulation pipe part (3), and the cold storage material enclosure are provided.
  • the pipe part (4) is a flat pipe provided separately, and the refrigerant first communication tank part (5), the refrigerant second communication tank part (6) and the cold storage material communication tank part (7) are the first ones.
  • the pipe part (2), the second refrigerant circulation pipe part (3), and the second regenerator material enclosing pipe part (50) are integrally provided, but the first refrigerant circulation pipe part is not limited to this.
  • the second refrigerant circulation pipe part (3), the first regenerator material enclosing pipe part (4) and the second regenerator material enclosing pipe part (50) are separately provided flat tubes
  • the first communication tank part (5), the second communication tank part for refrigerant (6), and the communication tank part for cold storage material (7) are the first refrigerant flow pipe part (2), the second refrigerant flow pipe part (3) and the second 2
  • the joint joined to the flat tube forming the regenerator enclosure tube part (50) It may be made from the click.
  • Embodiment 3 This embodiment is shown in FIG. 12 and FIG. In the description regarding the third embodiment, it is assumed that the top, bottom, left and right in FIG.
  • FIG. 12 shows the overall configuration of the evaporator with a cold storage function of the third embodiment
  • FIG. 13 shows the configuration of the main part thereof.
  • an evaporator (60) with a cold storage function includes an aluminum first header tank (61) and an aluminum second header tank (62) which are arranged in the vertical direction and spaced apart from each other, and both headers. And a heat exchange core section (63) provided between the tanks (61) (62).
  • the first header tank (61) has a refrigerant inlet header part (64) located on the front side (leeward side) and a refrigerant outlet located on the rear side (leeward side) and integrated with the refrigerant inlet header part (64). And a header portion (65).
  • a refrigerant inlet (66) is provided at the right end of the refrigerant inlet header (64), and a refrigerant outlet (67) is provided at the right end of the refrigerant outlet header (65).
  • the second header tank (62) includes a first intermediate header portion (68) located on the front side and a second intermediate header portion (69) located on the rear side and integrated with the first intermediate header portion (68). And.
  • the first intermediate header portion (68) and the second intermediate header portion (69) of the second header tank (62) are communicated by appropriate means.
  • the heat exchange core portion (63) is made of a flat aluminum extruded shape member extending in the vertical direction and having the width direction directed in the front-rear direction and spaced apart from each other in the left-right direction.
  • the width direction is directed in the front-rear direction and the left and right directions are spaced apart from each other.
  • the second refrigerant flow pipe (72) (second refrigerant flow pipe portion) made of a flat aluminum extruded shape extending in the vertical direction and the two adjacent second refrigerant flow pipes (72), on the left side here
  • the thickness and width of the first refrigerant flow pipe (71) are equal to the thickness and width of the second refrigerant flow pipe (72).
  • the space between adjacent ones of the first refrigerant flow pipe (71) of the evaporator (60) with the cold storage function becomes the windward ventilation gap (74A), and the second refrigerant flow pipe (72) and the cold storage material enclosing pipe section (73) Between the adjacent members of the group (75) consisting of the parts is the leeward side ventilation gap (74B).
  • Aluminum corrugated first outer fins (76) are arranged in all the windward ventilation gaps (74A) and brazed to the first refrigerant flow pipe (71), and all the leeward ventilation gaps (74B)
  • the aluminum corrugated second outer fin (77) formed separately from the first outer fin (76) is disposed on the left side surface of the second refrigerant flow pipe (72) and the regenerator material enclosing pipe section (73 ) Is brazed to the right side.
  • the fin height which is the horizontal dimension of the second outer fin (77), is lower than the fin height of the first outer fin (76) by the thickness of the regenerator material enclosing tube portion (73).
  • the 1st outer fin (76) is arrange
  • aluminum side plates (78) are disposed outside the first outer fins (76) at the left and right ends, and are brazed to the first outer fins (76).
  • the upper end portion of the second refrigerant flow pipe (72) is connected to the refrigerant inlet header portion (64), and the lower end portion thereof is connected to the first intermediate header portion (68).
  • the upper end portion of the first refrigerant flow pipe (71) is connected to the refrigerant outlet header portion (65), and the lower end portion thereof is connected to the second intermediate header portion (69).
  • the upper and lower ends of the regenerator material enclosing tube (73) are closed, and the regenerator material (73) has a freezing material (for example, water-based, paraffin-based freezing point adjusted to about 3 to 10 ° C.) P) is filled.
  • the filling amount of the regenerator material (P) in the regenerator material enclosing tube part (73) is preferably an amount that fills the entire regenerator material enclosing tube part (73) to the upper end.
  • a corrugated aluminum inner fin (102) is disposed in the regenerator material enclosing tube part (73) and brazed to the left and right side walls of the regenerator material enclosing tube part (73).
  • the evaporator (60) with the cold storage function described above includes a compressor that uses a vehicle engine as a drive source, a condenser that cools the refrigerant discharged from the compressor (refrigerant cooler), and an expansion valve that decompresses the refrigerant that has passed through the condenser (A refrigeration cycle that uses a chlorofluorocarbon refrigerant together with a decompressor) is mounted on a vehicle, for example, an automobile, that temporarily stops an engine that is a driving source of a compressor when the vehicle is stopped as a car air conditioner.
  • the low-pressure gas-liquid mixed-phase two-phase refrigerant compressed by the compressor and passed through the condenser and the expansion valve passes through the refrigerant inlet (66) and has an evaporator with a cold storage function ( 60) enters the refrigerant inlet header portion (64), passes through the second refrigerant flow pipe (72), and flows into the first intermediate header portion (68).
  • the refrigerant that has entered the first intermediate header portion (68) flows into the outlet header portion (65) through the first refrigerant flow pipe (71) after entering the second intermediate header portion (69). And flows out from the refrigerant outlet (67).
  • regenerator material (P) in the regenerator material enclosing pipe part (73) is cooled by the refrigerant flowing in the second refrigerant circulation pipe (72) and passes through the upwind ventilation gap (74A)
  • the regenerator material (P) in the regenerator material enclosing pipe part (73) is cooled by the air cooled by the refrigerant flowing in the first refrigerant circulation pipe (71). Cold energy is efficiently stored in the cold storage material (P).
  • the cold storage material ( P) is prevented from being heated by high-temperature air, and it is possible to suppress a decrease in cold storage efficiency.
  • the cold heat of the regenerator material (P) in the regenerator material enclosure tube (73) is transferred from the right side surface of the regenerator material enclosure tube (73) to the regenerator material enclosure tube (73).
  • the air is transmitted to the air passing through the leeward side ventilation gap (74B) via the brazed second outer fin (77), and the second refrigerant flow pipe (72 ) And the second outer fin (77) brazed to the second refrigerant flow pipe (72), the air is transmitted to the air passing through the leeward ventilation gap (74B). Therefore, even if the temperature of the wind that has passed through the evaporator (60) with a cold storage function rises, the wind is cooled, so that a rapid decrease in cooling capacity is prevented.
  • Embodiment 4 This embodiment is shown in FIG. In the description of the fourth embodiment, the upper and lower sides and the left and right are the same as those in the third embodiment.
  • FIG. 14 shows a main part of the evaporator with a cold storage function of the fourth embodiment.
  • the width of the cold storage material enclosing tube portion (80) and the second outer fin (81) in the front-rear direction is the cold storage material enclosure tube portion (73) of the evaporator with the cold storage function of the third embodiment.
  • the width of the first outer fin (82) in the front-rear direction is wider than the width of the second outer fin (77) in the front-rear direction, and the first outer fin (76) of the evaporator with a cold storage function of the third embodiment. It is narrower than the width in the front-rear direction.
  • the second outer fin (81) is brazed to the right side surface of the regenerator material enclosing tube portion (80) and the left side surfaces of the first and second refrigerant flow tubes (71), (72).
  • the width in the front-rear direction of the inner fin (103) in the regenerator material enclosing tube (80) is the same as that of the inner fin (102) in the regenerator material enclosing tube (73) of the evaporator with a cool storage function of the third embodiment. It is wider than the width of the direction.
  • the cooling of the air when the compressor is operating is the same as the evaporator with the cold storage function of the third embodiment.
  • the regenerator material (P) in the regenerator material enclosing tube portion (80) includes the refrigerant flowing in the second refrigerant flow tube (72) and the first refrigerant flow tube (71). ) And the air cooled by the refrigerant flowing in the first refrigerant circulation pipe (71) when passing through the windward ventilation gap (74A), and as a result, the cold storage material enclosing pipe part ( 73) Cold energy is efficiently stored in the cold storage material (P).
  • the cool storage material enclosing tube (80) is not directly exposed to high temperature air, so the cool storage material (P) in the cool storage material enclosing tube (80) It is prevented from being heated by high-temperature air, and it is possible to suppress a decrease in cold storage efficiency.
  • Embodiment 5 This embodiment is shown in FIG. 15 and FIG. In the description of the fifth embodiment, the upper and lower sides and the left and right are the same as those in the third embodiment.
  • 15 and 16 show the main part of the evaporator with a cold storage function of the fifth embodiment.
  • the space between the adjacent second refrigerant flow pipes (72) is the leeward side ventilation gap (74C), and all the leeward side ventilation gaps (74C) have left and right sides of the leeward side ventilation gap (74C).
  • An aluminum regenerator enclosing tube portion (90) having a thickness equal to the width in the direction is arranged so as to contact the second refrigerant flow tubes (72) on both the left and right sides.
  • the cool storage material enclosure pipe part (90) may be brazed to the second refrigerant flow pipes (72) on both the left and right sides.
  • a regenerator material (P) in which the freezing point of water or paraffin is adjusted to about 3 to 10 ° C. is enclosed in the regenerator material enclosing tube portion (90).
  • the regenerator material enclosing tube portion (90) is formed by pressing an aluminum brazing sheet having a brazing filler metal layer on both sides, and the front and rear side edges are full length.
  • the left and right metal plates (91) are formed with an outer bulging portion (93) extending in the vertical direction and bulging outward in the left and right direction, except for the front and rear side edges that are brazed to each other.
  • a hollow portion having upper and lower ends opened between the outwardly bulging portions (93) of the left and right metal plates (91), and the upper and lower end openings of the hollow portion are closed by the upper and lower metal plates (92). Yes.
  • a plurality of convex portions (94) projecting outward are provided, It is formed by deforming the bulging top wall (93a).
  • the convex part (94) extends in the vertical direction and is inclined forward in the downward direction, and is formed side by side in the vertical direction and the front-rear direction.
  • the protruding end of the convex portion (94) is a flat surface.
  • the protruding end portion of the convex portion (94) of the regenerator material enclosing tube portion (90) is brazed to the outer surface of the second refrigerant flow tube (72), and the regenerator material enclosing tube portion (90) and the first A ventilation gap (95) is formed between the two refrigerant flow pipes (72).
  • a corrugated aluminum inner fin (104) is disposed in the cold storage material enclosing tube portion (90) and brazed to the left and right metal plates (91).
  • the cooling of the air when the compressor is operating is the same as the evaporator with the cold storage function of the third embodiment.
  • the ventilation resistance increases because it flows through the ventilation gap (95) between the regenerator material enclosure pipe (90) and the second refrigerant circulation pipe (72). Is suppressed.
  • the regenerator material in the regenerator material enclosing tube (90) passes through the refrigerant flowing in the second refrigerant flow tube (72) and the upwind ventilation gap (74A). In doing so, it is cooled by the air cooled by the refrigerant flowing in the first refrigerant flow pipe (71), and as a result, cold heat is efficiently stored in the cold storage material (P) in the cold storage material enclosing pipe section (90).
  • the cool storage material enclosing tube part (90) is not directly exposed to the high temperature air, so the cool storage material (P) in the cool storage material enclosing tube part (90) is hot. It is possible to prevent the air from being heated by the air, and it is possible to suppress a decrease in cold storage efficiency.
  • the cold heat of the regenerator material (P) in the regenerator material enclosing tube part (90) is cooled from the both sides of the regenerator material enclosing tube part (90) in the leeward ventilation gap (74C). It is transmitted to the air passing through the ventilation gap (95) formed between the material enclosing tube portion (90) and the second refrigerant flow tube portion (72). Therefore, even if the temperature of the wind that has passed through the evaporator with the cold storage function rises, the wind is cooled, so that a rapid decrease in the cooling capacity is prevented.
  • the regenerator material enclosing pipe portion (90) is disposed in all the leeward side ventilation gaps (74C), but is not limited to this, and some of the leeward side ventilation gaps are not limited thereto.
  • the regenerator material enclosing tube portion (90) may be disposed only at (74C).
  • the evaporator with a cold storage function according to the present invention is suitably used for a car air conditioner for a vehicle that temporarily stops an engine that is a drive source of a compressor when the vehicle is stopped.

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

Abstract

L'invention porte sur un évaporateur avec fonction de stockage de froid (1) qui comporte : une première unité de tube d'écoulement de réfrigérant plate (2), agencée à des intervalles et avec une direction transversale de ladite unité dirigée dans la direction de ventilation ; une seconde unité de tube d'écoulement de réfrigérant plate (3), disposée sur le côté en aval de la première unité de tube d'écoulement de réfrigérant (2) et agencée à des intervalles et avec la direction transversale de ladite seconde unité de tube d'écoulement de réfrigérant dirigée dans la direction de ventilation ; et une unité de tube remplie de milieu de stockage de froid plate (4), dans laquelle un milieu de stockage de froid (P) est introduit, et qui est agencée, avec la direction transversale de ladite unité de tube remplie dirigée dans la direction de ventilation et entre deux unités de tube d'écoulement de réfrigérant adjacentes (3), en contact avec l'une ou l'autre de celles-ci. Cet évaporateur avec fonction de stockage de froid (1) peut empêcher une chute d'efficacité de stockage de froid.
PCT/JP2010/060537 2009-06-23 2010-06-22 Évaporateur avec fonction de stockage de froid WO2010150774A1 (fr)

Priority Applications (1)

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JP2009-148618 2009-06-23
JP2009148618 2009-06-23

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EP2293001A2 (fr) * 2009-07-21 2011-03-09 Behr GmbH & Co. KG Échangeur de chaleur avec accumulateur de froid integré
CN102967087A (zh) * 2011-08-31 2013-03-13 株式会社京滨冷暖科技 带蓄冷功能的蒸发器
JP2013079756A (ja) * 2011-10-03 2013-05-02 Mitsubishi Electric Corp 熱交換器及び冷凍サイクル装置
JP2013079761A (ja) * 2011-10-04 2013-05-02 Keihin Thermal Technology Corp 蓄冷機能付きエバポレータ
WO2013098276A1 (fr) * 2011-12-30 2013-07-04 Behr Gmbh & Co. Kg Échangeur thermique
WO2013098275A1 (fr) * 2011-12-30 2013-07-04 Behr Gmbh & Co. Kg Échangeur thermique
DE102011090182A1 (de) * 2011-12-30 2013-07-04 Behr Gmbh & Co. Kg Baukasten für Wärmeübertrager, einen Wärmeübertragerkern und einen Wärmeübertrager
WO2013098274A1 (fr) * 2011-12-30 2013-07-04 Behr Gmbh & Co. Kg Transmetteur de chaleur
WO2013125533A1 (fr) * 2012-02-23 2013-08-29 サンデン株式会社 Echangeur de chaleur de chambre froide
JP2014092321A (ja) * 2012-11-02 2014-05-19 Japan Climate Systems Corp 蓄冷機能付き空気冷却器
WO2014095575A1 (fr) * 2012-12-20 2014-06-26 Valeo Systemes Thermiques Élement d'echange thermique, et echangeur thermique correspondant
WO2014129620A1 (fr) * 2013-02-25 2014-08-28 ヴァレオ システム テルミク Procédé de production pour échangeurs de chaleur
WO2014129621A1 (fr) * 2013-02-25 2014-08-28 ヴァレオ システム テルミク Échangeur de chaleur et dispositif de climatisation de véhicule
JP2014219156A (ja) * 2013-05-08 2014-11-20 株式会社ヴァレオジャパン 熱交換器
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JP2016211809A (ja) * 2015-05-12 2016-12-15 株式会社デンソー 蓄冷熱交換器
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WO2014095575A1 (fr) * 2012-12-20 2014-06-26 Valeo Systemes Thermiques Élement d'echange thermique, et echangeur thermique correspondant
FR3000188A1 (fr) * 2012-12-20 2014-06-27 Valeo Systemes Thermiques Element d'echange thermique, et echangeur thermique correspondant
JP2014163583A (ja) * 2013-02-25 2014-09-08 Valeo Japan Co Ltd 熱交換器の製造方法
WO2014129621A1 (fr) * 2013-02-25 2014-08-28 ヴァレオ システム テルミク Échangeur de chaleur et dispositif de climatisation de véhicule
WO2014129620A1 (fr) * 2013-02-25 2014-08-28 ヴァレオ システム テルミク Procédé de production pour échangeurs de chaleur
JP2014219156A (ja) * 2013-05-08 2014-11-20 株式会社ヴァレオジャパン 熱交換器
JP2016522384A (ja) * 2013-06-20 2016-07-28 ヴァレオ システム テルミク 熱交換バンドルのための、特に乗り物の空調システムの蒸発器のための、相変化材料の容器を有するチューブ
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JP2015007518A (ja) * 2013-06-26 2015-01-15 サンデン株式会社 蓄冷熱交換器
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FR3035201A1 (fr) * 2015-04-16 2016-10-21 Valeo Systemes Thermiques Tube a reservoir de materiau a changement de phase pour echangeur de chaleur.
JP2018511775A (ja) * 2015-04-16 2018-04-26 ヴァレオ システム テルミク 熱交換器用相変化材料の容器を有するチューブ
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JP2016035382A (ja) * 2015-11-09 2016-03-17 株式会社デンソー 蓄冷熱交換器
JP2017116117A (ja) * 2015-12-21 2017-06-29 株式会社日本クライメイトシステムズ 蓄冷エバポレータ
JP2017146067A (ja) * 2016-02-19 2017-08-24 株式会社日本クライメイトシステムズ 蓄冷エバポレータ
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