WO2017022244A1 - 冷却器 - Google Patents
冷却器 Download PDFInfo
- Publication number
- WO2017022244A1 WO2017022244A1 PCT/JP2016/003578 JP2016003578W WO2017022244A1 WO 2017022244 A1 WO2017022244 A1 WO 2017022244A1 JP 2016003578 W JP2016003578 W JP 2016003578W WO 2017022244 A1 WO2017022244 A1 WO 2017022244A1
- Authority
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- WIPO (PCT)
- Prior art keywords
- refrigerant
- cooling plate
- upper lid
- lid body
- joined
- 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
- 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
- F28F9/0251—Massive connectors, e.g. blocks; Plate-like connectors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
- H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
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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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/427—Cooling by change of state, e.g. use of heat pipes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20254—Cold plates transferring heat from heat source to coolant
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20936—Liquid coolant with phase change
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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
- F28F2275/00—Fastening; Joining
- F28F2275/04—Fastening; Joining by brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- 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
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a cooler for cooling heat generated from, for example, a vehicle battery for an electric vehicle or a hybrid vehicle, a power device such as an inverter, a semiconductor element, or the like.
- a battery is used as a power source of a motor that drives the vehicle.
- a battery with a large capacity is used to drive the motor to accelerate the vehicle when starting or running, and to control the vehicle by applying a brake when the vehicle stops suddenly.
- a refrigerant path is provided inside a cooling plate (cooler) disposed at the bottom of the battery, and the cooler is cooled by the heat of vaporization of the refrigerant supplied to the refrigerant path.
- a cooling plate cooler
- an aluminum flat tube having a plurality of refrigerant passages parallel to each other is used as an embodiment of the cooler in Patent Document 1.
- a flat cooling plate a that forms a plurality of refrigerant passages c defined by a plurality of parallel partition walls b along the longitudinal direction is provided. By using it, the height dimension can be reduced.
- the first joining member f1 having the refrigerant inflow connecting pipe d and the refrigerant outflow connecting pipe e is brought into contact with and joined to one end of the cooling plate a.
- a second joining member f2 having a flow path (not shown) communicating the inflow side refrigerant passage c and the outflow side refrigerant passage c is brought into contact with the other end and joined.
- JP 2010-50000 A (paragraph 0047, FIG. 1, FIG. 9, FIG. 10)
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a cooler capable of reducing the number of components and saving space.
- a first cooler of the present invention includes a flat cooling plate having a plurality of refrigerant passages partitioned by a plurality of partition walls parallel to each other along the longitudinal direction, and the cooling plate A first notch that opens in the longitudinal direction at one end in the longitudinal direction, leaving both side walls in the width direction and one partition wall, and both ends in the width direction at the other longitudinal end of the cooling plate; A second notch portion whose upper and longitudinal ends are open leaving a wall, and is joined to the first notch portion and communicates with the refrigerant inflow side and the refrigerant outflow side defined by the one partition wall.
- a first upper lid body having a refrigerant inlet and a refrigerant outlet, and a flow path space joined to the second notch and communicating between the refrigerant inflow side and the refrigerant outflow side between the second notch
- a second upper lid that forms The constitution (claim 1).
- coolant outflow side which are respectively divided by the 1st notch provided in the end of the flat cooling plate which has a some refrigerant
- a first upper lid body having an inflow port and a refrigerant outflow port is joined, and a flow path space that connects the refrigerant inflow side and the refrigerant outflow side is formed in a second notch provided at the other end of the cooling plate. 2 upper lids can be joined.
- the first upper lid body is formed on the stepped portion formed at the open end of the upper piece of the cooling plate, the side wall stepped portion formed at the upper end of the both side walls, and the upper end of the partition wall, respectively.
- the second upper lid is joined to a step formed at the opening end of the upper piece of the cooling plate, a side wall step formed at the upper end of the both side walls, and the other end of the both side walls. (Claim 2).
- the refrigerant inflow side lid half having the refrigerant inlet and the refrigerant outflow side lid half having the refrigerant outlet constituting the first upper lid are arranged at the opening end of the upper piece of the cooling plate. It can join to the formed step part, the side wall step part formed in the upper end of both side walls, the partition wall step part formed in the upper end of a partition wall, and the one end side edge part of both side walls. Further, the second upper lid body may be joined to the step formed at the opening end of the upper piece of the cooling plate, the side wall step formed at the upper end of the both side walls, and the other end of the both side walls. it can.
- the second cooler of the present invention includes a flat cooling plate having a plurality of refrigerant passages partitioned by a plurality of parallel partition walls along the longitudinal direction, and one end in the longitudinal direction of the cooling plate, A first notch that opens upward and longitudinally, leaving both side walls in the width direction; A second cutout portion whose upper and longitudinal end portions are opened at the other end in the longitudinal direction of the cooling plate, leaving both side walls in the width direction, and formed by the both side walls joined to the first cutout portion.
- a first upper lid body having a refrigerant inflow port communicating with the refrigerant inflow side space, and a refrigerant outflow port joined to the second cutout portion and communicated with the refrigerant outflow side space formed by the both side walls.
- a second upper lid (claim 3).
- the 1st upper cover which has a refrigerant
- the body and the second upper lid body having the coolant outlet can be joined.
- the first upper lid body and the second upper lid body can be formed of a common member.
- the first upper lid body and the second upper lid body are respectively provided with a step portion formed at the open end of the upper piece of the cooling plate, a side wall step portion formed at the upper end of the both side walls, and the above-mentioned It is preferable to join to the longitudinal direction edge part of a both-side wall (Claim 4).
- coolant outflow port are made into the step part formed in the opening end of the upper piece of a cooling plate, and both side walls. It can join to the side wall step part formed in the upper end, and the longitudinal direction edge part of both side walls.
- the cooling plate is formed of an aluminum shape material
- the first upper cover body and the second upper cover body are formed of an aluminum member, and the cooling plate and the first cover are formed.
- the upper lid body and the second upper lid body are preferably brazed and joined (claim 5).
- aluminum is meant to include an aluminum alloy.
- the cooling plate, the first upper lid (including the refrigerant inflow side lid half and the refrigerant outflow side lid half), and the second upper lid can be integrally brazed.
- the refrigerant inlet and the refrigerant outlet that communicate with the refrigerant inflow side and the refrigerant outflow side, respectively, in the first notch provided at one end of the flat cooling plate.
- a first upper lid body having a coolant passage is joined, and a second upper lid body that forms a flow path space that connects the refrigerant inflow side and the refrigerant outflow side is joined to a second notch provided at the other end of the cooling plate.
- a step in which the refrigerant inflow side lid half and the refrigerant outflow side lid half constituting the first upper lid are formed at the open end of the upper piece of the cooling plate.
- the second upper lid body of the cooling plate and a side wall step portion formed at the upper end of both side walls, a partition wall step portion formed at the upper end of the partition wall, and one end side end portions of both side walls.
- a cooling plate is further formed by joining the step formed at the open end of the upper piece, the side wall step formed at the upper end of both side walls, and the other end of both side walls. And the first upper lid (the refrigerant inflow side lid half, the refrigerant outflow side lid half) and the cooling plate and the second upper lid can be easily and firmly joined.
- the first upper cover having a refrigerant inlet at the first notch and the second notch provided at both ends in the longitudinal direction of the flat cooling plate. Since the first upper lid body and the second upper lid body can be formed of a common member by joining the body and the second upper lid body having the refrigerant outlet, the number of constituent members can be reduced, Space saving can be achieved.
- the first and second upper lid bodies are provided with a step portion formed at the opening end of the upper piece of the cooling plate and a side wall step formed at the upper ends of both side walls.
- the cooling plate and the first and second upper lids can be easily and firmly joined to each other by joining to the longitudinal ends of the portions and both side walls.
- the cooling plate, the first upper lid (including the refrigerant inflow side lid half and the refrigerant outflow side lid half) and the second upper lid are integrally brazed.
- the cooling plate, the first upper lid (including the refrigerant inflow side lid half and the refrigerant outflow side lid half), and the second upper lid Can be easily and strengthened.
- FIG. 3 is a schematic plan view (a) showing a conventional cooler and a sectional view (b) taken along line III-III in (a). It is sectional drawing (b) which follows the IV-IV line of the side view (a) and (a) which shows the conventional cooler.
- the cooler 1 includes, for example, a cooling plate 10 disposed at the bottom of a battery 2 used for power supply of a motor that drives a vehicle, and a longitudinal direction of the cooling plate 10.
- the first upper lid body 20 joined to the first notch 11 formed at one end of the cooling plate 10 and the second notch 12 joined to the second notch 12 formed at the other end in the longitudinal direction of the cooling plate 10.
- an upper lid 30 is
- the cooling plate 10 has a plurality of refrigerant passages 14 partitioned by a plurality of partition walls 13 parallel to each other along the longitudinal direction, and is made of flat aluminum or aluminum alloy having a substantially rectangular shape in plan view (hereinafter referred to as aluminum). It is formed by the extruded shape material.
- the central partition wall 13A is formed thicker than the other partition walls 13, and the refrigerant passages 14 on both sides of the central partition wall 13A are divided into a refrigerant inflow side and a refrigerant outflow side. .
- first cutout portion 11 whose upper and longitudinal end portions are opened leaving both side walls 10 c and 10 d in the width direction and one partition wall, that is, a central partition wall 13A. Is formed.
- a refrigerant inflow side space 15 is formed by a central partition wall 13A and one side wall 10c, and the central partition wall 13A and the other side wall 10d
- the refrigerant outflow side space 16 is formed.
- the first upper lid body 20 joined to the first cutout portion 11 includes a refrigerant inflow side lid half body 21 joined so as to close the refrigerant inflow side space 15 of the first cutout portion 11, and the first cutout portion 11. It is comprised with the refrigerant
- the refrigerant inflow side cover half body 21 and the refrigerant outflow side cover half body 22 are made of aluminum including a horizontal piece 23 that closes the refrigerant inflow side space 15 or the refrigerant outflow side space 16 and a vertical piece 24 that closes the longitudinal end. It is made of a plate material.
- the refrigerant inflow side lid half 21 and the refrigerant outflow side lid half 22 are formed of a brazing sheet in which a brazing material is bonded as a skin material.
- the horizontal piece 23 of the refrigerant inflow side lid half 21 is provided with a refrigerant inflow port 25, and a refrigerant inflow connection pipe 26 is joined to the refrigerant inflow port 25.
- a refrigerant outlet 27 is provided in the horizontal piece 23 of the refrigerant outlet side lid half 22, and a refrigerant outlet connecting pipe 28 is joined to the refrigerant outlet 27.
- the refrigerant inflow side lid half 21 and the refrigerant outflow side lid half 22 include a step portion 17a formed at the opening end of the upper piece 10a of the cooling plate 10 and both side walls 10c, 10d.
- the side wall step portion 17b formed at the upper end, the partition wall step portion 17c formed at the upper end of the central partition wall 13A, and one end side end portions of both side walls 10c and 10d are joined by brazing.
- a second cutout portion 12 is formed at the other end in the longitudinal direction of the cooling plate 10 so as to open the upper and longitudinal end portions while leaving both side walls 10c and 10d in the width direction.
- the second upper lid body 30 joined to the second notch 12 is an aluminum plate made of a horizontal piece 31 that covers the upper side walls 10c and 10d and a vertical piece 32 that closes the longitudinal ends. Is formed.
- the second upper lid body 30 is formed of a brazing sheet in which a brazing material is bonded as a skin material.
- the second upper lid 30 includes a stepped portion 17a formed at the opening end of the upper piece 10a of the cooling plate 10, a side wall stepped portion 17b formed at the upper ends of the side walls 10c and 10d, It joins to the other end side edge part of both-side wall 10c, 10d by brazing.
- a flow path space 35 is formed between the cooling plate 10 and the refrigerant inflow side and the refrigerant outflow side.
- the collar part 40 is extended along the longitudinal direction at the both ends of the width direction of the cooling plate 10, and the attachment hole 41 which can insert the fixing screw 50 in the appropriate location of the collar part 40 is provided.
- a fixing screw 50 that passes through the mounting hole 41 is inserted through a mounting hole (not shown) provided in the bracket 3 that supports the battery 2 via a spacer 52, and a nut 51 is screwed into the fixing screw 50.
- the cooler 1 can be arranged at the bottom of the battery 2.
- the first upper lid body 20 (the refrigerant inflow side lid half body 21, the refrigerant outflow side lid half body 22) and the second upper lid body 30 are brazed sheets in which a brazing material is bonded as a skin material.
- a brazing material is provided on the surface of the cooling plate 10.
- the cooling plate 10 the first upper lid body 20 (the refrigerant inflow side lid half body 21, the refrigerant outflow side lid half body 22), and the second upper lid body 30 may be brazed and joined.
- a powder brazing material specifically, a powdered aluminum alloy brazing containing Cu: 27 to 37% by mass, Si: 5 to 10% by mass, the balance being Al and inevitable impurities.
- High frequency brazing using a fluoride-based flux containing 11% by mass or more of CsF as a material and a solid content may be used.
- the refrigerant communicates with the first cutout portion 11 provided at one end of the flat cooling plate 10 on the refrigerant inflow side and the refrigerant outflow side, respectively.
- the refrigerant inflow side lid half 21 and the refrigerant outflow side lid half 22 constituting the first upper lid 20 are divided into a step portion 17a formed at the open end of the upper piece of the cooling plate 10, both side walls 10c, Join the side wall step 17b formed at the upper end of 10d, the partition wall step 17c formed at the upper end of the partition wall 13A, and one end side end of both side walls 10c, 10d, Cooling is achieved by joining the stepped portion 17a formed at the open end of the upper piece 10a of the cooling plate 10, the side wall stepped portion 17b formed at the upper ends of the side walls 10c and 10d, and the other end of the side walls.
- the joining of the plate 10 and the first upper lid body 20 (refrigerant inflow side lid half body 21, refrigerant outflow side lid half body 22) and the joining of the cooling plate 10 and the second upper lid body 30 can be facilitated and strengthened. .
- the refrigerant flow has been described for the two-pass (U-turn) type cooler.
- the present invention also applies to the one-pass (zero-turn) type cooler of the second embodiment described below. Applicable.
- the cooler 1 according to the second embodiment is opened at the upper end and the end in the longitudinal direction, leaving both side walls 10 c and 10 d in the width direction at one end in the longitudinal direction of the cooling plate 10.
- a first upper lid body 20A having a refrigerant inlet 25A that is joined to the notch portion 11A and communicates with a refrigerant inflow side space 15A formed by both side walls 10c and 10d, and a second notch portion 12A that is joined to both side walls.
- a second upper lid body 30A having a refrigerant outlet 27A communicating with the refrigerant outflow side space 16A formed by 10c and 10d.
- the first upper lid body 20A is formed of an aluminum plate material including a horizontal piece 23 that closes the upper side of the refrigerant inflow side space 15A and a vertical piece 24 that closes an end portion in the longitudinal direction.
- a convex arc-shaped projecting piece 23a extending outward is provided at the central portion on the distal end side of the horizontal piece 23 of the first upper lid body 20A.
- the horizontal piece 23 is provided with a refrigerant inlet 25A, and a refrigerant inflow connecting pipe 26 is joined to the refrigerant inlet 25A.
- the first upper lid 20A has a stepped portion 17a and an arcuate partition wall stepped portion 17d formed at the opening end of the upper piece 10a of the cooling plate 10, and upper ends of both side walls 10c and 10d.
- the side wall step portion 17b and the both side walls 10c and 10d are joined to one end side end portion by brazing.
- the convex arcuate protrusion 23a is engaged with the arcuate partition wall step 17d by brazing.
- the first upper lid body 20A is positioned with respect to the first cutout portion 11A by brazing in a state where the convex arcuate protrusion 23a is engaged with the arcuate partition wall step portion 17d. Brazing can be performed easily and reliably.
- the second upper lid body 30A joined to the second cutout portion 12A is an aluminum plate material comprising a horizontal piece 31 that closes the upper side walls 10c and 10d and a vertical piece 32 that closes the longitudinal end. It is formed by.
- a convex arc-shaped projecting piece 31a extending outward is provided at the central portion on the tip end side of the horizontal piece 31 of the second upper lid 30A.
- the horizontal piece 31 is provided with a refrigerant outlet 27A, and a refrigerant outlet connecting pipe 28 is joined to the refrigerant outlet 27A.
- the second upper lid body 30A has a stepped portion 17a and an arcuate partition wall stepped portion 17d formed at the open end of the upper piece 10a of the cooling plate 10, and upper ends of both side walls 10c and 10d.
- the side wall step portion 17b and the other end portions of the side walls 10c and 10d are joined by brazing.
- the convex arcuate protrusion 31a is engaged with the arcuate partition wall step 17d by brazing. Therefore, similarly to the case of the first cutout portion 11A and the first upper lid body 20A, it is possible to easily and reliably braze the second upper lid body 30A to the second cutout portion 12A.
- the first upper lid body 20A and the second upper lid body 30A formed as described above are formed of an aluminum plate having the same shape.
- the other parts are the same as those in the first embodiment, so the same parts are denoted by the same reference numerals and description thereof is omitted.
- the refrigerant flows into the first cutout portion 11A and the second cutout portion 12A provided at both ends of the flat cooling plate 10 in the longitudinal direction.
- the first upper lid body 20A having the inlet 25A and the second upper lid body 30A having the refrigerant outlet 27A are joined, and the first upper lid body 20A and the second upper lid body 30A are made of a common aluminum plate. Therefore, the number of constituent members can be reduced and the space can be saved.
- first upper lid body 20A and the second upper lid body 30A are connected to the stepped portion 17a and the arcuate partition wall stepped portion 17d formed at the opening end of the upper piece 10a of the cooling plate 10, and the side walls 10c and 10d.
- the cooling plate 10 can be further easily and firmly joined to the first upper lid body 20A and the second upper lid body 30A. Can be.
- the cooler according to the present invention is used for cooling the heat generated from the battery 2 used for the power source of the motor driving the vehicle.
- the present invention is not limited to this.
- the present invention can be applied to a cooler that cools heat generated from a power device such as an inverter or a semiconductor element.
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Abstract
Description
上記冷却プレートの長手方向の他端に、幅方向の両側壁を残して上方及び長手方向端部が開放する第2の切欠部と、 上記第1の切欠部に接合され、上記両側壁によって形成される冷媒流入側空間に連通する冷媒流入口を有する第1の上蓋体と、 上記第2の切欠部に接合され、上記両側壁によって形成される冷媒流出側空間に連通する冷媒流出口を有する第2の上蓋体と、を具備することを特徴とする(請求項3)。
10a 上片
10b 下片
10c,10d 側壁
13,13A 区画壁
14 冷媒通路
15,15A 冷媒流入側空間
16,16A 冷媒流出側空間
17a 段部
17b 側壁段部
17c 区画壁段部
17d 円弧状区画壁段部
20,20A 第1の上蓋体
21 冷媒流入側蓋半体
22 冷媒流出側蓋半体
25,25A 冷媒流入口
27,27A 冷媒流出口
30,30A 第2の上蓋体
35 流路空間
Claims (5)
- 長手方向に沿う互いに平行な複数の区画壁によって区画される複数の冷媒通路を有する扁平状の冷却プレートと、
上記冷却プレートの長手方向の一端に、幅方向の両側壁と一つの区画壁を残して上方及び長手方向端部が開放する第1の切欠部と、
上記冷却プレートの長手方向の他端に、幅方向の両側壁を残して上方及び長手方向端部が開放する第2の切欠部と、
上記第1の切欠部に接合され、上記一つの区画壁によって区画される冷媒流入側と冷媒流出側にそれぞれ連通する冷媒流入口と冷媒流出口を有する第1の上蓋体と、
上記第2の切欠部に接合され、該第2の切欠部との間に上記冷媒流入側と冷媒流出側を連通する流路空間を形成する第2の上蓋体と、を具備することを特徴とする冷却器。 - 請求項1に記載の冷却器において、
上記第1の上蓋体は、それぞれ上記冷却プレートの上片の開口端に形成された段部と、上記両側壁の上端に形成された側壁段部と、上記区画壁の上端に形成された区画壁段部及び上記両側壁の上記一端側端部に接合される上記冷媒流入口を有する冷媒流入側蓋半体及び上記冷媒流出口を有する冷媒流出側蓋半体とからなり、
上記第2の上蓋体は、上記冷却プレートの上片の開口端に形成された段部と、上記両側壁の上端に形成された側壁段部及び上記両側壁の上記他端側端部に接合される、ことを特徴とする冷却器。 - 長手方向に沿う互いに平行な複数の区画壁によって区画される複数の冷媒通路を有する扁平状の冷却プレートと、
上記冷却プレートの長手方向の一端に、幅方向の両側壁を残して上方及び長手方向端部が開放する第1の切欠部と、
上記冷却プレートの長手方向の他端に、幅方向の両側壁を残して上方及び長手方向端部が開放する第2の切欠部と、
上記第1の切欠部に接合され、上記両側壁によって形成される冷媒流入側空間に連通する冷媒流入口を有する第1の上蓋体と、
上記第2の切欠部に接合され、上記両側壁によって形成される冷媒流出側空間に連通する冷媒流出口を有する第2の上蓋体と、を具備することを特徴とする冷却器。 - 請求項3に記載の冷却器において、
上記第1の上蓋体及び第2の上蓋体は、それぞれ上記冷却プレートの上片の開口端に形成された段部と、上記両側壁の上端に形成された側壁段部及び上記両側壁の長手方向端部に接合される、ことを特徴とする冷却器。 - 請求項1ないし4のいずれかに記載の冷却器において、
上記冷却プレートをアルミニウム製形材にて形成すると共に、上記第1の上蓋体及び第2の上蓋体をアルミニウム製部材にて形成し、上記冷却プレートと上記第1の上蓋体及び第2の上蓋体をろう付け接合してなる、ことを特徴とする冷却器。
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JP2017532384A JP6494134B2 (ja) | 2015-08-05 | 2016-08-03 | 冷却器 |
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US10648748B2 (en) | 2020-05-12 |
CN107851867B (zh) | 2020-09-29 |
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EP3595080B1 (en) | 2023-12-13 |
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