WO2015041065A1 - 扁平熱交換チューブ、それを用いた熱媒体加熱装置および車両用空調装置 - Google Patents
扁平熱交換チューブ、それを用いた熱媒体加熱装置および車両用空調装置 Download PDFInfo
- Publication number
- WO2015041065A1 WO2015041065A1 PCT/JP2014/073401 JP2014073401W WO2015041065A1 WO 2015041065 A1 WO2015041065 A1 WO 2015041065A1 JP 2014073401 W JP2014073401 W JP 2014073401W WO 2015041065 A1 WO2015041065 A1 WO 2015041065A1
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- WO
- WIPO (PCT)
- Prior art keywords
- heat exchange
- flat
- tube
- heat medium
- flat heat
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
-
- 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
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2221—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters arrangements of electric heaters for heating an intermediate liquid
-
- 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
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
-
- 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
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2215—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters
- B60H1/2218—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from electric heaters controlling the operation of electric heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/0072—Special adaptations
- F24H1/009—Special adaptations for vehicle systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/121—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using electric energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
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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
- F28D9/0056—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 with U-flow or serpentine-flow inside conduits; with centrally arranged openings on the plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
-
- 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
- F28F3/027—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 with openings, e.g. louvered corrugated fins; Assemblies of corrugated strips
-
- 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
- F28F9/0256—Arrangements for coupling connectors with flow lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H2250/00—Electrical heat generating means
- F24H2250/04—Positive or negative temperature coefficients, e.g. PTC, NTC
Definitions
- the present invention relates to a flat heat exchange tube applicable to heating of a heat medium by a PTC heater, etc., a heat medium heating device using the same, and a vehicle air conditioner.
- a heat medium heating device incorporating a PTC heater having a PTC element as a heating element is used for heating a heat medium serving as a heat source for heating.
- a heat medium heating device for example, in Patent Documents 1 and 2, a plurality of flat heat exchange tubes in which a flow path through which the heat medium is circulated are stacked, and a PTC heater is installed in close contact therebetween. Shows that the heat medium flowing through the flat heat exchange tube is heated by the heat generated by the PTC heater.
- Patent Documents 1 and 2 show that a plurality of flat heat exchange tubes and a plurality of sets of PTC heaters formed integrally with a tank portion are laminated while putting a sealant between the tank portions.
- a pressing member By pressing and fixing with a pressing member, the sealing between the tank parts and the close contact between the flat heat exchange tube and the PTC heater are ensured, or the tank parts of a plurality of flat heat exchange tubes are brazed
- the PTC heater is installed by expanding the space between the tubes, and pressing and fixing the PTC heater against the bottom surface of the housing with a pressing member, thereby securing the close contact between the flat heat exchange tube and the PTC heater. It was like that.
- Patent Documents 3 and 4 show configurations of various flat heat exchange tubes.
- a convex top on one side and a convex top on the other side are alternately arranged in succession in the width direction of the fin and alternately with a predetermined dimension in the length direction between a pair of molding plates.
- the corrugated inner fins placed on and inserted and brazed are shown, and in Patent Document 4, a pair of molded plates formed with a large number of protrusions or beads of various shapes are arranged facing each other and brazed.
- a corrugated inner fin is inserted and brazed into a flat tube, and the corrugated inner fin is divided into a plurality of parts in the longitudinal direction, and is shifted left and right.
- Patent Documents 3 and 4 in the case of a flat heat exchange tube having a configuration in which inner fins are inserted and brazed and brazed or provided with protrusions or beads, it is difficult to expand the tube.
- PTC heaters and flat heat exchange tubes are alternately stacked and placed in close contact with each other, after being stacked, pressed from the outside and tightened and fixed There was a need to do.
- the present invention has been made in view of such circumstances, and is a flat heat exchange tube having a configuration in which a corrugated inner fin is inserted and installed therein and brazed, and is a tube that can be expanded and laminated.
- An object of the present invention is to provide a flat heat exchange tube that can be reliably brought into close contact with a PTC heater or the like to reduce contact heat resistance and improve heat transfer coefficient, a heat medium heating device using the same, and a vehicle air conditioner.
- the flat heat exchange tube of the present invention is a flat tube configured by brazing a pair of molded plates formed from a sheet material clad with a brazing material on the inner surface. And a convex top on one side is brazed to the inner surface of the one molding plate, and a convex top on the other side is inserted on the inner surface of the other molding plate.
- the corrugated inner fin is brazed, and the corrugated inner fin is allowed to deform in a direction in which the distance between the two apexes increases on the wall surface between the convex portion on one side and the convex portion on the other side.
- the flat tube can be expanded through the tube expansion allowing portion in a state where the top portions are brazed between the pair of molding plates.
- a convex top and the other side are inserted between a pair of molding plates constituting a flat tube and each corrugated inner fin is brazed and joined to the inner surface thereof.
- a pipe expansion allowing part that allows deformation in the direction in which the distance between the two top parts increases, and the pipe expansion allowing part in a state where each top part is brazed and joined between a pair of molding plates.
- the flat tube can be expanded through the tube, so the corrugated inner fin is inserted into the flat tube and the top of each is brazed, while the flat tube is pressurized to the required pressure.
- the flat tube can be expanded in the thickness direction by deforming the corrugated inner fin in the direction in which the distance between the two apexes expands through the tube expansion allowing portion (including water pressure).
- this flat heat exchange tube is applied to a device that exchanges heat by bringing the flat heat exchange tube into intimate contact with the heat transfer object, and by expanding the flat heat exchange tube and in close contact with the heat transfer object, the contact heat resistance is reduced and heat is transferred. It is possible to improve the transmission rate.
- the flat heat exchange tube according to the first aspect of the present invention is the flat heat exchange tube according to the above aspect, wherein the tube expansion allowing portion is a wall surface between the top portion convex on the one side and the top portion convex on the other side. It is good also as being comprised by the step-shaped bending part formed in this.
- the tube expansion allowing portion is constituted by a step-like bent portion formed on the wall surface between the convex top portion on one side and the convex top portion on the other side.
- the stepped bent portion is deformed so as to rise obliquely by the pressure applied to the inside thereof, and the distance between the two top portions can be increased. Therefore, although the corrugated inner fin is a flat tube brazed between a pair of molded plates, the flat tube can be easily expanded.
- the flat heat exchange tube according to the first aspect of the present invention is the flat heat exchange tube according to the above aspect, wherein the tube expansion allowing portion is a wall surface between the top portion convex on the one side and the top portion convex on the other side. It is good also as it being set as the surface of the reverse taper shape toward each top formed of.
- the tube expansion allowing portion is formed as a reverse tapered surface facing each apex formed by the wall surface between the apex convex on one side and the apex convex on the other side. Therefore, when the tube is expanded, the inversely tapered surface facing each apex is deformed in the vertical rising direction by the pressure applied to the inside of the tube, and the distance between both apexes can be increased. Therefore, although the corrugated inner fin is a flat tube brazed between a pair of molded plates, the flat tube can be easily expanded.
- the flat heat exchange tube according to the first aspect of the present invention is the flat heat exchange tube according to the above aspect, wherein the tube expansion allowing portion has a width of a fin, the top portion protruding on the one side and the top portion protruding on the other side, respectively. It is configured to be alternately arranged continuously in the direction and alternately arranged with a predetermined dimension in the length direction, and a slit-like cut is provided on the wall surface of the root portion of each top portion. It is good as well.
- the tube expansion allowing portion has a convex portion on one side and a convex portion on the other side alternately and continuously in the width direction of the fin, and has a predetermined dimension in the length direction. Since it is configured to be alternately arranged with a gap, and a slit-like notch is provided in the wall surface of the base portion of each top, the fin is applied by the pressure applied to the inside when the tube is expanded.
- the distance between the two apexes is expanded by deforming each apex arranged in a large number alternately in the width direction and the length direction in the direction of rising through a slit-like cut provided at the base part. be able to. Therefore, although the corrugated inner fin is a flat tube brazed between a pair of molded plates, the flat tube can be easily expanded.
- the flat heat exchange tube according to the first aspect of the present invention is the flat heat exchange tube according to any one of the above-described flat heat exchange tubes, wherein the pair of molded plates are flat on the rising wall from the peripheral brazing portion. It is good also as providing the tube expansion allowance part which accept
- the flat tube itself can be expanded in the thickness direction via the tube expansion allowing portion by deforming in a direction in which the distance between the flat surfaces of the two molding plates increases. Therefore, the expansion of the flat tube in which the corrugated inner fin is inserted can be facilitated.
- a plurality of sets of PTC heaters are alternately stacked between a plurality of flat heat exchange tubes, and the flattening is controlled by energizing the PTC heaters.
- the said flat heat exchange tube is made into the flat heat exchange tube in any one of Claim 1 thru
- a plurality of sets of PTC heaters are alternately stacked between a plurality of flat heat exchange tubes, and the heat medium flowing through the flat heat exchange tubes is heated by the PTC heaters.
- the flat heat exchange tube is any one of the flat heat exchange tubes described above, and the flat heat exchange tubes are placed in a state where PTC heaters are alternately stacked between the flat heat exchange tubes.
- the heat generated by the PTC heater is flattened against the flat heat exchange tube side. Efficiency by reducing the thermal contact resistance between the exchange tubes may Den'nesshi can be heated. Therefore, the heating capability by the PTC heater can be improved, and the performance of the heat medium heating device can be improved.
- the vehicle air conditioner according to the third aspect of the present invention is configured such that the heat medium heated by the heat medium heating device can be circulated in the radiator disposed in the air flow path.
- the heat medium heating device is the heat medium heating device.
- the heat medium heated by the heat medium heating device can be circulated in the radiator disposed in the air flow path. Heat medium supplied to the radiator disposed in the road reduces the contact heat resistance between the PTC heater and the flat heat exchange tube, improves the heat transfer rate, and heat medium heating with high performance It can be heated and supplied by an apparatus. Therefore, it is possible to improve the air conditioning performance of the vehicle air conditioner, particularly the heating performance of HV vehicles and EV vehicles.
- the inside of the flat tube is pressurized to a required pressure (hydraulic pressure etc.) even though the corrugated inner fin is inserted into the flat tube and each top is brazed.
- the flat tube can be expanded in the thickness direction by deforming the corrugated inner fin in the direction in which the distance between the two apexes is expanded via the tube expansion allowable portion.
- the flat heat exchange tubes and the PTC heaters that are alternately stacked can be installed in close contact with each other, and the heat medium that circulates in the flat heat exchange tubes can be installed by the PTC heater.
- the heat generated by the PTC heater can be efficiently transferred to the flat heat exchange tube side by reducing the contact thermal resistance between the PTC heater and the flat heat exchange tube.
- the capacity can be improved and the heat medium heating device can be improved.
- the heat medium supplied to the radiator disposed in the air flow path is reduced by reducing the contact thermal resistance between the PTC heater and the flat heat exchange tube. Since the rate can be increased and the heat medium heating device with higher performance can be heated and supplied, the air conditioning performance of the vehicle air conditioner, particularly the heating performance of HV vehicles and EV vehicles can be improved.
- FIG. 1 is an external perspective view of a heat medium heating device using a flat heat exchange tube according to a first embodiment of the present invention. It is a disassembled perspective view of the heat carrier heating apparatus shown in FIG. It is a longitudinal cross-sectional view of the heat medium heating apparatus shown in FIG. It is a side view of the heat exchange element of the heat carrier heating apparatus shown in FIG. It is a disassembled perspective view of the heat exchange element shown in FIG. It is an expanded sectional view of the heat medium entrance / exit pipe extraction part of the heat exchange element shown in FIG.
- FIG. 5 is a plan view of a flat heat exchange tube, a heat medium inlet / outlet header, and a heat medium inlet / outlet pipe of the heat exchange element shown in FIG. 4.
- FIG. 8 is a side view of the flat heat exchange tube, the heat medium inlet / outlet header, and the heat medium inlet / outlet pipe shown in FIG. 7 in the tube longitudinal direction.
- FIG. 8 is a left side view of the flat heat exchange tube, the heat medium inlet / outlet header, and the heat medium inlet / outlet pipe shown in FIG. 7.
- FIG. 8 is an exploded perspective view of the heat medium inlet / outlet header and the heat medium inlet / outlet pipe shown in FIG. 7. It is the top view which fractured
- FIG. 12 is a cross-sectional view taken along the line AA of the flat heat exchange tube shown in FIG. It is a partial expanded sectional view before the pipe expansion of the flat heat exchange tube shown in FIG.
- FIG. 1 It is a partial expanded sectional view after the pipe expansion of the flat heat exchange tube shown in FIG. It is a fragmentary sectional view of the flat heat exchange tube concerning a 2nd embodiment of the present invention. It is a fragmentary perspective view of the corrugated inner fin for flat heat exchange tubes which concerns on 3rd Embodiment of this invention. It is an enlarged view of the slit-shaped notch part of the corrugated inner fin for flat heat exchange tubes which concerns on 3rd Embodiment of this invention.
- FIGS. 1 to 13B are views of a heat medium heating device using a flat heat exchange tube according to the first embodiment of the present invention
- FIG. 2 is an exploded perspective view thereof
- FIG. 3 is a longitudinal sectional view thereof.
- the heat medium heating device 1 is for heating a heat medium serving as a heat source for heating in a vehicle air conditioner applied to an EV vehicle, an HV vehicle, and the like, and a radiator constituting the vehicle air conditioner;
- the heat medium is configured to be circulated through the heat medium pump.
- the heat medium heating device 1 includes a box-shaped housing 2.
- the box-shaped housing 2 has through-holes 6 and 7 through which one side is provided with heat medium inlet / outlet pipes 15 and 16 (which may be simply referred to as inlet / outlet pipes), which will be described later, in a sealed state.
- a lower housing 3 made of a resin or an aluminum alloy, which is divided into two parts vertically along an oblique parting line PL extending from the upper part of the pipe through surface 5 to the lower part of the facing surface 8.
- the upper housing 4 is constituted.
- the upper housing 4 is fastened and fixed to the lower housing 3 in which the interior parts are assembled with a screw via a liquid gasket or the like to form a sealed housing 2.
- the other side surface 9 of the lower housing 3 is provided with a harness penetration portion (penetration portion) 11 including a through hole 10 that penetrates an HV harness 48 and an LV harness 49 described later.
- the lower housing 3 is provided with a plurality of boss portions 3A for fastening and fixing a heat exchange element 12 to be described later with screws or the like. It is assumed that a plurality of boss portions 3B for fastening and fixing a sealing member 53 and the like for hermetically sealing the through holes 6 and 7 are provided by integral molding after passing through the pipes 15 and 16.
- the heat exchange element 12 includes a plurality of (four in this embodiment) flat heat exchange tubes 14 and the plurality of flat heat exchange tubes 14 at a predetermined interval.
- a plurality of sets of PTC incorporated between a plurality of flat heat exchange tubes 14 and a heat medium inlet / outlet header 17 connected to each other and connected to a pair of heat medium inlet / outlet pipes 15 and 16 by brazing and joining.
- the heater 18 is configured.
- the heat exchange element 12 has a heat medium outlet provided on one end side by making a U-turn on the other end side of the heat medium flowing from the heat medium inlet 19 provided on one end.
- a plurality of flat heat exchange tubes 14 (four in this embodiment) in which a U-turn flow path 21 returning to 20 is formed, and the four flat heat exchange tubes 14 are vertically moved at predetermined intervals.
- Each of the heat medium inlet 19 and the heat medium outlet 20 are connected to the heat medium inlet / outlet header 17 by brazing, and each flat heat exchange tube 14 and the heat medium inlet / outlet header 17 are integrated.
- each flat heat exchange tube 14 is flattened by abutting and arranging a pair of upper and lower forming plates 22A and 22B made of aluminum alloy having a U-turn channel 21 formed in a concave shape.
- the tube 22 is formed and brazed integrally by inserting two corrugated inner fins 23A and 23B having the same shape formed by corrugating an aluminum alloy thin plate into a straight portion of the U-turn channel 21.
- the U-turn portion of the U-turn flow path 21 is configured such that a U-shaped rib 24 protruding toward the inner surface side of the forming plates 22A and 22B is integrally formed.
- the flat tube 22 uses a pair of molding plates 22A and 22B molded using a clad material clad with a brazing material only on the inner surface side, and the corrugated inner fins 23A and 23B inserted into the inside thereof are: It is formed using a bare material.
- the corrugated inner fins 23A and 23B are assembled by brazing the top 23C convex on one side to the inner surface of one molding plate 22A and brazing the top 23D convex on the other side to the inner surface of the other molding plate 22B. Therefore, the wall surface between the two top portions 23C and 23D is provided with a tube expansion allowing portion 23E including a step-like bent portion 23F that allows deformation in a direction in which the distance between the two top portions increases.
- the flat heat exchange tube 14 is a flat heat exchange tube having a configuration in which the corrugated inner fins 23A and 23B are inserted into the flat tube 22 and the respective top portions 23C and 23D are brazed, but the inside of the flat tube 22 is required. It is set as the structure which can be expanded easily by pressurizing (including water pressure etc.) to this pressure.
- the heat medium inlet / outlet header 17 distributes the heat medium flowing in from the heat medium inlet pipe 15 to a plurality of flat heat exchange tubes 14, and heat heated by the PTC heater 18 while flowing through the flat heat exchange tubes 14.
- the medium joins and flows out to the heat medium outlet pipe 16, and is integrated by brazing the pair of heat medium inlet / outlet pipes 15 and 16 and the plurality of flat heat exchange tubes 14 as described above. Has been.
- the heat medium inlet / outlet header 17 is combined with a header plate 25 formed of a plate made of an aluminum alloy whose outer surface is clad with a brazing material, and the header plate 25, and is partitioned by a partition wall.
- 34, and a pipe connection member 32 made of aluminum alloy glasses is joined to the outer surface side of the header tank member 27 to be integrated.
- the header plate 25 has connection holes 26 for inserting and connecting the heat medium inlet 19 and the heat medium outlet 20 of a plurality of (four) flat heat exchange tubes 14 in two rows on the right and left, and four rows on each row. Is provided.
- a heat medium inlet 30 communicating with the heat medium inlet pipe 15 is provided in the inlet header tank portion 28 of the header tank member 27, and a heat medium outlet communicating with the heat medium outlet pipe 16 is provided in the outlet header tank portion 29. 31 is provided.
- the pipe connection member 32 is provided with a pair of connection ports 33 and 34, water temperature sensor installation pieces 35A and 35B extending upward from the upper portions of the connection ports 33 and 34, and a board base to be described later.
- Flange portions 36 ⁇ / b> A and 36 ⁇ / b> B that are fixed to the fixing portions 42 ⁇ / b> A provided on the leg portions 42 of the 36 by screws are integrally provided.
- the heat medium inlet / outlet pipes 15 and 16 are cylindrical pipes having a predetermined length, and the heat of the pair of connection ports 33 and 34 and the header tank member 27 provided in the pipe connection member 32 on the heat medium inlet / outlet header 17 side. One end is inserted into the medium inlet 30 and the heat medium outlet 31 and brazed.
- each component of the flat heat exchange tube 14 described above between each component of the heat medium inlet / outlet header 17, between the flat heat exchange tube 14 and the heat medium inlet / outlet header 17, and between the heat medium inlet / outlet header 17 and the heat medium inlet / outlet pipe 15. 16 and 16 are respectively joined by brazing. This brazing is performed by collectively brazing each part in the furnace after temporarily assembling the parts as described above using a jig.
- the heat exchange element 12 incorporates a PTC heater 18 into an integrated flat heat exchange tube 14, heat medium inlet / outlet pipes 15, 16 and heat medium inlet / outlet header 17.
- the PTC heater 18 itself may be a known one, and is configured such that the upper and lower surfaces of the PTC element are sandwiched from above and below by two electrode plates 37 and 38, and is a flat heat exchange provided at a predetermined interval. As shown in FIG. 4 and FIG. 5, it is inserted and installed through an insulating sheet (not shown) while being positioned at a predetermined position between the tubes 14 via positioning pins or the like.
- a plate-like terminal 39 having a certain width is extended, and each of the terminals 39 is bent and extended upward.
- a plurality of terminal blocks 46 arranged in parallel on one side of the lower surface can be connected by being directly screwed and fixed.
- the heat exchange element 12 is provided in a rectangular presser plate 40 installed on the lower surface of the flat bottom heat exchange tube 14 at the lowermost layer, and provided on the presser plate 40 at four corners. It is built in between the aluminum die-casting substrate base 41 fixedly installed via the leg portions 42 of a predetermined length, and the upper and lower surfaces thereof are fixed with jigs in each flat heat exchange tube 14. By applying water pressure or the like and expanding the flat heat exchange tubes 14, the surfaces of the PTC heaters 18 and the flat heat exchange tubes 14 are assembled in close contact with each other.
- the board base 41 has a rectangular shape having a plane area substantially the same as that of the holding plate 40, the flat heat exchange tube 14 and the control board 13, and includes a leg part 42 having a predetermined length extending downward to four corner parts.
- the boss portions 43 for fastening and fixing the control board 13 to the upper surface thereof are provided at four locations.
- the control board 13 fixed to the boss 43 on the board base 41 with screws or the like is mounted with a control circuit 44 (specific circuit is not shown) for controlling the power applied to the PTC heater 18.
- the HV harness 48 and the LV harness 49 can be connected via a connector 47 fixedly installed in the harness penetration part (penetration part) 11.
- detection signals from the water temperature sensors 50 and 51 on the inlet side and the outlet side installed in the water temperature sensor installation pieces 35A and 35B provided integrally with the pipe connection member 32 are supplied to the control board 13 via the harness 52. It is configured to be input. Further, the control board 13 is provided with a plurality of power transistors 45 such as IGBTs (only terminals are shown) constituting the control circuit 44 on the lower surface side, and along one side thereof. A plurality of terminal blocks 46 for connecting terminals 39 extended from the electrode plates 37 and 38 of the PTC heater 18 are provided.
- a power transistor 45 such as an IGBT, which is a heat-generating component, is placed on the upper surface of the flat heat exchange tube 14 and is made of an aluminum alloy.
- a terminal 39 extended from the electrode plates 37 and 38 is provided on the terminal base 46 via screws or the like. It is designed to be connected directly.
- the heat medium heating device 1 passes the HV harness 48 and the LV harness 49 through the through hole 10 and applies a liquid gasket to the harness through portion 11 on the lower housing 3 side.
- the heat exchange element 12 and the control board 13 that are pre-assembled in advance are placed on the lower housing 3, and the heat medium inlet / outlet pipes 15 and 16 are provided in the through holes 6 and 7 provided in the pipe penetration surface 5. It is installed by being inserted from the horizontal direction into a plurality of boss portions 3A provided on the bottom surface of the lower housing 3 and tightened and fixed with screws or the like.
- the inlet / outlet pipes 15 and 16 of the heat medium inserted into the through holes 6 and 7 of the pipe penetration surface 5 are inserted with a sealing member 53 such as a grommet on the outer periphery of the inlet / outlet pipes 15 and 16 from the outer end side.
- a sealing member 53 such as a grommet
- the HV harness 48, the LV harness 49, and the water temperature sensors 50 and 51 are connected to the control board 13.
- Each of the harnesses 52 is connected to connect the electrical system to the control board 13. And after those connections are completed, a liquid gasket is apply
- the terminals 39 extended from the electrode plates 37 and 38 are connected to the terminal base 46.
- the terminals 39 may be connected to the terminal block 46 at the same time.
- the upper and lower surfaces are fixed with a jig in the state which incorporated the heat exchange element 12 in which the PTC heater 18 was installed between the flat heat exchange tubes 14 between the pressing plate 40 and the board
- the flat heat exchange tube 14 is expanded and the flat heat exchange tube 14 and the PTC heater 18 are brought into close contact with each other, but may be as follows.
- the heat exchange element 12 sub-assembled by inserting and installing the PTC heater 18 is directly assembled on the bottom surface of the lower housing 3, and the substrate base 41 is fixedly installed on the bottom surface of the lower housing 3. Etc., each flat heat exchange tube 14 is expanded, and after the flat heat exchange tube 14 and the PTC heater 18 are brought into close contact with each other, the control board 13 may be incorporated on the board base 41. The same result as in the above embodiment is obtained.
- the heat medium circulated to the heat medium heating device 1 via the pump flows from the inlet pipe 15 of the heat exchange element 12 into the inlet header tank portion 28 of the heat medium inlet / outlet header 17 and enters the four flat heat exchange tubes 14.
- the PTC heater 18 heats and raises the temperature while flowing through the U-turn channel 21.
- the heat medium heated and heated while being circulated in the flat heat exchange tube 14 is merged in the outlet header tank unit 29 and supplied to the radiator via the outlet pipe 16, thereby becoming a heat source for heating. Provided.
- the temperature of the heat medium heated by the heat medium heating device 1 is the water temperature sensor 50 installed in the water temperature sensor installation pieces 35A and 35B provided integrally with the pipe connection member 32 coupled to the heat medium inlet / outlet header 17. , 51 are used to detect the inlet temperature and outlet temperature of the heat medium, and the energizing current to the PTC heater 18 is controlled by the control board 13 according to the detected values, so that the set temperature is adjusted.
- the heat exchange element 12 constituted by a plurality of flat heat exchange tubes 14 and a PTC heater 18 includes a plurality of flat heat exchange tubes 14 in which a U-turn flow path 21 is formed.
- One end of the heat medium inlet / outlet header 17 connected to the heat medium inlet / outlet pipes 15 and 16 and the flat heat exchange tube 14 are alternately stacked.
- the PTC heater 18 is provided, which is sandwiched between the bottom surface of the holding plate 40 or the lower housing 3 and the substrate base 41, and a plurality of flat heat exchange tubes 14 and a plurality of sets of PTC heaters 18. Are housed and installed in the housing 2 in close contact with each other.
- the flat heat exchange tube 14 and the PTC heater 18 are connected to the heat medium inlet / outlet header 17 at a predetermined interval with the PTC heater 18 (upper and lower) in a state where a minute gap is maintained. (In a state where both surfaces are sandwiched between electrode plates 37 and 38 and an insulating sheet is interposed between both surfaces), the flat heat exchange tube 14 and the PTC heater 18 are placed between the pressing plate 40 and the substrate base 41.
- the flat heat exchange tube 14 can be brought into close contact with each other by expanding the flat heat exchange tube 14 by applying water pressure or the like in the flat heat exchange tube 14 while being sandwiched and mounted on a jig.
- the brazing structure is a highly reliable heat medium heating device 1 that has no risk of leakage of the heat medium, has a high degree of freedom in the take-out positions of the inlet / outlet pipes 15 and 16, and is excellent in mountability.
- An efficient high-performance heat medium heating device 1 can be provided.
- a plurality of flat heat exchange tubes 14 include a flat tube 22 in which a pair of forming plates 22A and 22B formed by a sheet material clad with a brazing material on its inner surface are opposed to each other and brazed, and the flat tube 22 is formed of corrugated inner fins 23A and 23B having the same shape and formed by a bare sheet material that is inserted by brazing, and the corrugated inner fins 23A and 23B have a convex top portion 23C on one side.
- the top plate 23D is brazed to the inner surface of one molding plate 22A, and the top portion 23D convex to the other side is brazed to the inner surface of the other molding plate 22B.
- the corrugated inner fins 23A and 23B are stepped to allow deformation in the direction in which the distance between the top portions 23C and 23D is increased between the wall surfaces of the top portion 23C convex on one side and the top portion 23D convex on the other side. It is set as the structure by which the pipe expansion allowance part 23E which consists of this bending part 23F was provided.
- the flat heat exchange tube 14 is pressurized by applying a water pressure or the like of a required pressure inside, and the top portions 23C, 23C, 23A, 23B are connected to the corrugated inner fins 23A, 23B via the tube expansion allowance portion 23E composed of the stepped bent portion 23F.
- the flat tube 22 can be expanded in the thickness direction by deforming in a direction in which the distance between the 23Ds is expanded.
- the direction in which the distance between the flat surfaces of both the forming plates 22A and 22B is increased through the tube expansion allowing portion 22E including the stepped bent portion 22F of the pair of forming plates 22A and 22B constituting the flat tube 22 is formed. Since the flat tube 22 itself can be expanded in the thickness direction via the tube expansion allowing portion 22E, the expansion of the flat heat exchange tube 14 into which the corrugated inner fins 23A and 23B are inserted can be further expanded. Can be facilitated.
- a configuration in which a plurality of flat heat exchange tubes 14 are arranged with a certain gap in which a PTC heater 18 including electrode plates 37 and 38 and an insulating sheet (not shown) can be inserted and installed therebetween is secured. Also, after the PTC heaters 18 are alternately stacked between the plurality of flat heat exchange tubes 14, the flat heat exchange tubes 14 into which the corrugated inner fins 23A and 23B are inserted are expanded to thereby form a plurality of flat heat exchange tubes.
- the exchange tube 14 and a plurality of sets of PTC heaters 18 can be installed in close contact with each other.
- the flat heat exchange tube 14 of the present embodiment while the flat heat exchange tube 14 is configured such that the corrugated inner fins 23A and 23B are inserted into the flat tube 22 and the top portions 23C and 23D are brazed,
- a required pressure including water pressure etc.
- the corrugated inner fins 23A, 23B are deformed in the direction in which the distance between the two top portions 23C, 23D is increased through the tube expansion allowance portion 23E.
- the flat tube 22 can be expanded in the thickness direction, the flat heat exchange tube 14 can be installed in close contact with the PTC heater 18 which is a heat transfer object, and the contact thermal resistance between the two can be reduced. It can be reduced and the heat transfer rate can be improved.
- the PTC heaters 18 are alternately stacked between the high-performance flat heat exchange tubes 14 into which the corrugated inner fins 23A and 23B are inserted, the PTC heaters 18 are interposed between the flat heat exchange tubes 14. Since the flat heat exchange tubes 14 are expanded in a state of being alternately stacked, the PTC heaters 18 and the flat heat exchange tubes 14 can be installed in close contact with each other, so that the heat medium is heated by the PTC heaters 18.
- the contact heat resistance between the PTC heater 18 and the flat heat exchange tube 14 can be reduced to efficiently transfer and heat, and thus the heating capability of the PTC heater 18 can be improved, and the heat medium heating device 1 can be It is possible to improve the performance and facilitate the assembly of the PTC heater 18 between the flat heat exchange tubes 14 to improve the assemblability. It is possible to above.
- the flat heat exchange tube 14 is a flat heat exchange tube configured by using a pair of molding plates 22A and 22B in which only the inner surface is clad with brazing material and the outer surface is molded with clad material without brazing material. Therefore, it is possible to prevent the insulating sheet interposed when the PTC heater 18 is inserted and installed between the flat heat exchange tubes 14 from being damaged by the brazing material, and thereby the quality and reliability of the heat medium heating device 1. It is possible to improve the performance.
- the heat medium heated by the heat medium heating device 1 can be circulated with respect to the radiator disposed in the air flow path. Can do. For this reason, the heat medium supplied to the radiator is reduced by the contact heat resistance between the PTC heater 18 and the flat heat exchange tube 14 to improve the heat transfer rate, and the heat medium heating apparatus 1 with high performance is used. Therefore, the air conditioning performance of the vehicle air conditioner, particularly the heating performance of HV vehicles and EV vehicles, can be improved.
- the present embodiment is different from the first embodiment in the configuration of the pipe expansion allowing portion 23E provided in the corrugated inner fins 23A and 23B. Since other points are the same as those in the first embodiment, description thereof will be omitted.
- the tube expansion allowing portion 23E formed by the wall surface between the convex top portion 23C and the convex top portion 23D on one side of the corrugated inner fins 23A and 23B, as shown in FIG. It is set as the reverse taper-shaped surface 23G which faces each top part 23C and 23D.
- the tube expansion allowing portion 23E provided on the corrugated inner fins 23A and 23B is also formed as a reverse tapered surface 23G facing each top formed by the wall surface between both the top portions 23C and 23D.
- the reversely tapered surface 23G facing the tops 23C and 23D can be deformed in the vertical rising direction by the pressure applied to the inside, and the distance between the tops 23C and 23D can be increased. Therefore, although the corrugated inner fins 23A and 23B are the flat heat exchange tubes 14 brazed between the pair of molding plates 22A and 22B, the flat heat exchange tubes 14 can be easily expanded.
- FIGS. 15A and 15B a third embodiment of the present invention will be described with reference to FIGS. 15A and 15B.
- the configurations of the top portions 23C and 23D and the pipe expansion allowing portion 23E provided in the corrugated inner fins 23A and 23B are different from the first embodiment and the second embodiment described above. Since other points are the same as those of the first and second embodiments, description thereof will be omitted.
- the corrugated inner fins 23A and 23B have a convex top portion 23C on one side and a convex top portion 23D on the other side, as shown in FIGS. 15A and 15B, respectively, in the width direction of the fins.
- a large number of alternating arrangements are made in the lengthwise direction with a predetermined dimension therebetween, and the expansion of the tube is allowed by forming slit-shaped cuts 23H on the wall surfaces of the roots of the tops 23C and 23D.
- the portion 23E is provided.
- the top portions 23C and 23D which are alternately arranged in the width direction and the length direction of the fins by the pressure applied to the inside thereof, are provided at the root portion. It is possible to increase the distance between the top portions 23C and 23D by deforming in the direction of rising through the pipe expansion allowing portion 23E configured by the slit-shaped cut 23H. Therefore, although the corrugated inner fins 23A and 23B are the flat heat exchange tubes 14 brazed between the pair of molding plates 22A and 22B, the tubes 14 can be easily expanded.
- this invention is not limited to the invention concerning the said embodiment, In the range which does not deviate from the summary, it can change suitably.
- the flat heat exchange tubes 14 are provided in four layers, and the PTC heater 18 is inserted and installed between them.
- the number of flat heat exchange tubes 14 is three or less and five or more. Of course it is good.
- the flat heat exchange tube 14 was made into the flat heat exchange tube 14 of the one-side header structure in which the U-turn flow path 21 was formed, as a structure using the flat heat exchange tube 14 of a double-end header structure,
- the top portions 23C and 23D of the corrugated inner fins 23A and 23B inserted and installed in the flat heat exchange tube 14 can have various shapes such as a trapezoidal shape, a gentle mountain shape, and a semicircular shape. .
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Abstract
Description
すなわち、本発明の第1の態様にかかる扁平熱交換チューブは、内面にロー材がクラッドされたシート材から成形された一対の成形プレートを対向配置してロー付けすることにより構成される扁平チューブと、前記扁平チューブの前記成形プレート間に挿入され、一方側に凸の頂部が前記一方の成形プレートの内面にロー付けされるとともに、他方側に凸の頂部が前記他方の成形プレートの内面にロー付けされる波形インナーフィンとからなり、前記波形インナーフィンは、前記一方側に凸の頂部および前記他方側に凸の頂部間の壁面に、両頂部間の距離が拡がる方向への変形を許容する拡管許容部を備え、前記一対の成形プレート間に前記各頂部がロー付けされた状態で前記拡管許容部を介して前記扁平チューブが拡管可能とされている。
本発明の第3の態様によれば、空気流路中に配設されている放熱器に、上記の熱媒体加熱装置によって加熱された熱媒体が循環可能な構成とされているため、空気流路中に配設されている放熱器に対して供給される熱媒体を、PTCヒータと扁平熱交換チューブ間の接触熱抵抗を低減して熱伝達率を向上し、高性能化した熱媒体加熱装置により加熱して供給することができる。従って、車両用空調装置の空調性能、特にHV車やEV車における暖房性能を向上することができる。
[第1実施形態]
以下、本発明の第1実施形態について、図1ないし図13Bを用いて説明する。
図1には、本発明の第1実施形態に係る扁平熱交換チューブを用いた熱媒体加熱装置の外観斜視図、図2には、その分解斜視図、図3には、縦断面図が示されている。
熱媒体加熱装置1は、EV車やHV車等に適用される車両用空調装置において、暖房用の熱源となる熱媒体を加熱するためのものであり、車両用空調装置を構成する放熱器との間で熱媒体ポンプを介して熱媒体が循環されるように構成されている。この熱媒体加熱装置1は、箱形形状のハウジング2を備えている。
ポンプを介して上記熱媒体加熱装置1に循環された熱媒体は、熱交換エレメント12の入口パイプ15から熱媒体出入口ヘッダ17の入口ヘッダタンク部28に流入し、4枚の扁平熱交換チューブ14に分配され、そのUターン流路21内を流通する間にPTCヒータ18により加熱、昇温される。扁平熱交換チューブ14内を流通される間に加熱、昇温された熱媒体は、出口ヘッダタンク部29で合流され、出口パイプ16を経て放熱器に供給されることにより、暖房用の熱源に供される。
このため、扁平熱交換チューブ14は、内部に所要圧力の水圧等をかけて加圧し、波形インナーフィン23A,23Bをその階段状の屈曲部23Fからなる拡管許容部23Eを介して両頂部23C,23D間の距離が拡がる方向に変形させることにより、扁平チューブ22をその厚さ方向に拡管することができる。
次に、本発明の第2実施形態について、図14を用いて説明する。
本実施形態は、上記した第1実施形態に対して、波形インナーフィン23A,23Bに設けられる拡管許容部23Eの構成が異なっている。その他の点については、第1実施形態と同様であるので説明は省略する。
本実施形態において、波形インナーフィン23A,23Bの一方側に凸の頂部23Cと他方側に凸の頂部23Dとの間の壁面により形成される拡管許容部23Eは、図14に示されるように、各頂部23C,23Dに向う逆テーパー状の面23Gとされている。
次に、本発明の第3実施形態について、図15A,図15Bを用いて説明する。
本実施形態は、上記した第1実施形態および第2実施形態に対して、波形インナーフィン23A,23Bに設けられる頂部23C,23Dおよび拡管許容部23Eの構成が異なっている。その他の点は、第1および第2実施形態と同様であるので説明は省略する。
本実施形態においては、波形インナーフィン23A,23Bの一方側に凸の頂部23Cおよび他方側に凸の頂部23Dが、図15A,図15Bに示されるように、それぞれフィンの幅方向に連続して交互に、また長さ方向に所定寸法を隔てて交互に多数配置された構成とされるとともに、その各頂部23C,23Dの根元部の壁面に、スリット状の切り込み23Hを形成することにより拡管許容部23Eが設けられた構成とされている。
14 扁平熱交換チューブ
18 PTCヒータ
22 扁平チューブ
22A,22B 成形プレート
22C,22D 立ち上がり壁
22E チューブ拡管許容部
22F 階段状の屈曲部
23A,23B 波形インナーフィン
23C,23D 頂部
23E 拡管許容部
23F 階段状の屈曲部
23G 逆テーパー状の面
23H スリット状の切り込み
Claims (7)
- 内面にロー材がクラッドされたシート材から成形された一対の成形プレートを対向配置してロー付けすることにより構成される扁平チューブと、
前記扁平チューブの前記成形プレート間に挿入され、一方側に凸の頂部が前記一方の成形プレートの内面にロー付けされるとともに、他方側に凸の頂部が前記他方の成形プレートの内面にロー付けされる波形インナーフィンとからなり、
前記波形インナーフィンは、前記一方側に凸の頂部および前記他方側に凸の頂部間の壁面に、両頂部間の距離が拡がる方向への変形を許容する拡管許容部を備え、前記一対の成形プレート間に前記各頂部がロー付けされた状態で前記拡管許容部を介して前記扁平チューブが拡管可能とされている扁平熱交換チューブ。 - 前記拡管許容部は、前記一方側に凸の頂部と前記他方側に凸の頂部との間の壁面に形成された階段状の屈曲部により構成されている請求項1に記載の扁平熱交換チューブ。
- 前記拡管許容部は、前記一方側に凸の頂部と前記他方側に凸の頂部との間の壁面により形成された各頂部に向う逆テーパー状の面とされている請求項1に記載の扁平熱交換チューブ。
- 前記拡管許容部は、前記一方側に凸の頂部および前記他方側に凸の頂部がそれぞれフィンの幅方向に連続して交互に、また長さ方向に所定寸法を隔てて交互に配置された構成とされるとともに、各頂部の根元部の壁面にスリット状の切り込みが設けられた構成とされている請求項1に記載の扁平熱交換チューブ。
- 前記一対の成形プレートは、周縁のロー付け部からの立ち上がり壁に、両成形プレートの扁平面間の距離が拡がる方向への変形を許容するチューブ拡管許容部を備えている請求項1ないし4のいずれかに記載の扁平熱交換チューブ。
- 複数枚の扁平熱交換チューブ間に、複数組のPTCヒータを交互に積層配置し、前記PTCヒータへの通電制御により、前記扁平熱交換チューブ内を流通する熱媒体を加熱する熱媒体加熱装置において、
前記扁平熱交換チューブが、請求項1ないし5のいずれかに記載の扁平熱交換チューブとされ、その複数枚の扁平熱交換チューブ間に前記PTCヒータを交互に積層配置した状態で該扁平熱交換チューブを拡管することにより、前記PTCヒータと前記扁平熱交換チューブとを密接させている熱媒体加熱装置。 - 空気流路中に配設されている放熱器に、熱媒体加熱装置によって加熱された熱媒体が循環可能に構成されている車両用空調装置において、
前記熱媒体加熱装置が、請求項6に記載の熱媒体加熱装置とされている車両用空調装置。
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CN201480041148.8A CN105393077A (zh) | 2013-09-19 | 2014-09-04 | 扁平换热管、使用该扁平换热管的热介质加热装置以及车用空调装置 |
DE112014004308.7T DE112014004308T5 (de) | 2013-09-19 | 2014-09-04 | Flache Wärmetauschröhre sowie Wärmeträger-Heizvorrichtung und Klimatisierungseinrichtung für ein selbige nutzendes Fahrzeug |
US14/908,496 US20160195341A1 (en) | 2013-09-19 | 2014-09-04 | Flat heat exchange tube, and heat carrier-heating device and air conditioner for vehicle using same |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021053000A1 (en) * | 2019-09-16 | 2021-03-25 | Senior Uk Limited | Heat exchangers with improved heat transfer fin insert |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014225348A (ja) * | 2013-05-15 | 2014-12-04 | 三菱重工オートモーティブサーマルシステムズ株式会社 | 熱媒体加熱装置およびその製造方法並びにそれを用いた車両用空調装置 |
WO2016049776A1 (en) * | 2014-10-03 | 2016-04-07 | Dana Canada Corporation | Heat exchanger with self-retaining bypass seal |
USD813363S1 (en) * | 2015-07-30 | 2018-03-20 | Webaston Se | Heater |
EP3414509A4 (en) * | 2016-02-09 | 2019-09-18 | Modine Manufacturing Company | HEAT EXCHANGER AND CORE FOR A HEAT EXCHANGER |
FR3062601B1 (fr) * | 2017-02-06 | 2019-06-07 | Valeo Systemes Thermiques | Dispositif de chauffage electrique, circuit de chauffage et procede de gestion de la temperature correspondants |
USD875908S1 (en) * | 2018-01-10 | 2020-02-18 | Webasto SE | Mobile electric heater |
KR102484607B1 (ko) * | 2018-05-28 | 2023-01-06 | 한온시스템 주식회사 | 냉각수 히터 |
KR102241099B1 (ko) * | 2019-09-30 | 2021-04-19 | 한국재료연구원 | 열교환기 및 열교환 시스템 |
EP4023990A1 (en) * | 2020-12-30 | 2022-07-06 | Valeo Autosystemy SP. Z.O.O. | A tube for a heat exchanger |
JP2023092340A (ja) * | 2021-12-21 | 2023-07-03 | サンデン株式会社 | 熱媒体加熱装置 |
CN114440687A (zh) * | 2022-01-28 | 2022-05-06 | 广东美的暖通设备有限公司 | 换热器及其制造方法 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58164995A (ja) * | 1982-03-25 | 1983-09-29 | Kobe Steel Ltd | 熱交換器及びその製造方法 |
JPH0410288U (ja) * | 1990-04-28 | 1992-01-29 | ||
JPH06347184A (ja) * | 1993-06-04 | 1994-12-20 | Nippondenso Co Ltd | 熱交換器用コルゲートフィンの成形装置 |
JPH0719781A (ja) * | 1992-06-23 | 1995-01-20 | David & Baader Dbk Spezialfab Elektrischer Apparate & Heizwiderstaende Gmbh | ラジエータ |
JPH0732377U (ja) * | 1993-10-29 | 1995-06-16 | 株式会社土屋製作所 | 熱交換器の伝熱フィン |
JP2003154449A (ja) * | 2001-11-22 | 2003-05-27 | Denso Corp | 熱交換器及びその製造方法 |
JP2005055092A (ja) * | 2003-08-05 | 2005-03-03 | Denso Corp | 熱交換器 |
WO2006025465A1 (ja) * | 2004-08-31 | 2006-03-09 | Gac Corporation | 扁平多穴管および熱交換器 |
US20100139897A1 (en) * | 2005-04-29 | 2010-06-10 | Stanley Chu | Heat Exchangers with Turbulizers Having Convolutions of Varied Height |
US20110005725A1 (en) * | 2009-07-13 | 2011-01-13 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Plate type heat pipe and heat sink using the same |
JP2012218557A (ja) * | 2011-04-07 | 2012-11-12 | Mitsubishi Heavy Ind Ltd | 熱媒体加熱装置およびそれを備えた車両用空調装置 |
US20130045411A1 (en) * | 2010-05-05 | 2013-02-21 | Mahle International Gmbh | Cooling device |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2360123A (en) * | 1942-09-18 | 1944-10-10 | Gen Motors Corp | Oil cooler |
JPS61262593A (ja) * | 1985-05-15 | 1986-11-20 | Showa Alum Corp | 熱交換器 |
US4815532A (en) * | 1986-02-28 | 1989-03-28 | Showa Aluminum Kabushiki Kaisha | Stack type heat exchanger |
CA2002319C (en) * | 1988-11-07 | 1995-04-04 | Yasuaki Matsuda | Positive-temperature-coefficient heating device and process for fabricating the same |
KR0143540B1 (ko) * | 1992-08-27 | 1998-08-01 | 코오노 미찌아끼 | 편평튜브와 물결형휜을 교호로 적층해서 이루어진 적층형 열교환기 및 그 제조방법 |
JP3164518B2 (ja) * | 1995-12-21 | 2001-05-08 | 古河電気工業株式会社 | 平面型ヒートパイプ |
TW487797B (en) * | 1998-07-31 | 2002-05-21 | Sanden Corp | Heat exchanger |
JP4231610B2 (ja) * | 2000-02-09 | 2009-03-04 | サンデン株式会社 | 熱交換器用フィンの製造方法 |
JP4109444B2 (ja) * | 2001-11-09 | 2008-07-02 | Gac株式会社 | 熱交換器およびその製造方法 |
CN2594989Y (zh) * | 2001-11-29 | 2003-12-24 | 王清风 | 可提高热交换效率的热交换鳍片板 |
US20030159806A1 (en) * | 2002-02-28 | 2003-08-28 | Sehmbey Maninder Singh | Flat-plate heat-pipe with lanced-offset fin wick |
JP2009524002A (ja) * | 2006-01-19 | 2009-06-25 | モーディーン・マニュファクチャリング・カンパニー | フラットチューブ、フラットチューブ型熱交換器及びその製造方法 |
KR100775013B1 (ko) * | 2006-04-18 | 2007-11-09 | (주)셀시아테크놀러지스한국 | 판형 열전달 장치 |
AT505300B1 (de) * | 2007-10-04 | 2008-12-15 | Ktm Kuehler Gmbh | Plattenwärmetauscher |
TWM347809U (en) * | 2008-05-26 | 2008-12-21 | Xu xiu cang | Fast temperature-averaging heat conductive device |
CN201226601Y (zh) * | 2008-06-16 | 2009-04-22 | 穆国强 | Ptc发热器 |
JP5951205B2 (ja) * | 2011-03-25 | 2016-07-13 | 三菱重工業株式会社 | 熱媒体加熱装置およびそれを備えた車両用空調装置 |
-
2013
- 2013-09-19 JP JP2013194224A patent/JP2015058824A/ja active Pending
-
2014
- 2014-09-04 US US14/908,496 patent/US20160195341A1/en not_active Abandoned
- 2014-09-04 WO PCT/JP2014/073401 patent/WO2015041065A1/ja active Application Filing
- 2014-09-04 CN CN201480041148.8A patent/CN105393077A/zh active Pending
- 2014-09-04 DE DE112014004308.7T patent/DE112014004308T5/de not_active Withdrawn
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58164995A (ja) * | 1982-03-25 | 1983-09-29 | Kobe Steel Ltd | 熱交換器及びその製造方法 |
JPH0410288U (ja) * | 1990-04-28 | 1992-01-29 | ||
JPH0719781A (ja) * | 1992-06-23 | 1995-01-20 | David & Baader Dbk Spezialfab Elektrischer Apparate & Heizwiderstaende Gmbh | ラジエータ |
JPH06347184A (ja) * | 1993-06-04 | 1994-12-20 | Nippondenso Co Ltd | 熱交換器用コルゲートフィンの成形装置 |
JPH0732377U (ja) * | 1993-10-29 | 1995-06-16 | 株式会社土屋製作所 | 熱交換器の伝熱フィン |
JP2003154449A (ja) * | 2001-11-22 | 2003-05-27 | Denso Corp | 熱交換器及びその製造方法 |
JP2005055092A (ja) * | 2003-08-05 | 2005-03-03 | Denso Corp | 熱交換器 |
WO2006025465A1 (ja) * | 2004-08-31 | 2006-03-09 | Gac Corporation | 扁平多穴管および熱交換器 |
US20100139897A1 (en) * | 2005-04-29 | 2010-06-10 | Stanley Chu | Heat Exchangers with Turbulizers Having Convolutions of Varied Height |
US20110005725A1 (en) * | 2009-07-13 | 2011-01-13 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Plate type heat pipe and heat sink using the same |
US20130045411A1 (en) * | 2010-05-05 | 2013-02-21 | Mahle International Gmbh | Cooling device |
JP2012218557A (ja) * | 2011-04-07 | 2012-11-12 | Mitsubishi Heavy Ind Ltd | 熱媒体加熱装置およびそれを備えた車両用空調装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021053000A1 (en) * | 2019-09-16 | 2021-03-25 | Senior Uk Limited | Heat exchangers with improved heat transfer fin insert |
US11168949B2 (en) | 2019-09-16 | 2021-11-09 | Senior Uk Limited | Heat exchangers with improved heat transfer fin insert |
Also Published As
Publication number | Publication date |
---|---|
DE112014004308T5 (de) | 2016-06-02 |
JP2015058824A (ja) | 2015-03-30 |
US20160195341A1 (en) | 2016-07-07 |
CN105393077A (zh) | 2016-03-09 |
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