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WO2020251164A1 - Refroidisseur de batterie pour véhicule - Google Patents

Refroidisseur de batterie pour véhicule Download PDF

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Publication number
WO2020251164A1
WO2020251164A1 PCT/KR2020/005743 KR2020005743W WO2020251164A1 WO 2020251164 A1 WO2020251164 A1 WO 2020251164A1 KR 2020005743 W KR2020005743 W KR 2020005743W WO 2020251164 A1 WO2020251164 A1 WO 2020251164A1
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WO
WIPO (PCT)
Prior art keywords
heat exchange
refrigerant
exchange plate
plate
cooling water
Prior art date
Application number
PCT/KR2020/005743
Other languages
English (en)
Korean (ko)
Inventor
김영일
채관교
신승택
정규영
김정희
Original Assignee
주식회사 고산
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 주식회사 고산 filed Critical 주식회사 고산
Publication of WO2020251164A1 publication Critical patent/WO2020251164A1/fr

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Classifications

    • 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
    • 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
    • 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
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • 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
    • 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
    • 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
    • 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
    • H01M10/6567—Liquids
    • 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 battery chiller for a vehicle, and more particularly, a refrigerant heat exchange plate and a coolant heat exchange plate are alternately disposed between a top plate and an end plate to be closely disposed in a plurality of sets, the refrigerant heat exchange plate and the upper surface width direction of the cooling water heat exchange plate.
  • the refraction type partition protrusion that guides the "U"-shaped flow is formed in a refraction type by extending a certain length in the center part in the longitudinal direction, so that turbulence for the flow of refrigerant or coolant is formed through the refraction type refraction type partition protrusion.
  • the heat dissipation performance can be improved by making it advantageous, and at the same time, turbulence formation is advantageous and the brazing area through the refraction type is increased, so that the internal pressure strength in the flow space for heat exchange of refrigerant or cooling water can be improved, while refrigerant heat exchange
  • the cooling water heat exchange plate having the same structure as the plate it is possible to manufacture a single plate having the same structure by alternately stacking it in the vertical direction at 180 degrees in the length direction, and through this, the manufacturing cost can be significantly reduced. It relates to a battery chiller.
  • the hybrid vehicle drives the vehicle with two power sources by linking an existing engine and a motor driven by electric energy
  • the US and Japan are mainly due to the effect of reducing environmental pollution by exhaust gas and improving fuel efficiency. It is positioning itself as a next-generation car that is currently in the spotlight as an alternative to reality.
  • the motor when driving at a low speed, the motor is used as a power source, and at a certain speed or higher, the power source is switched to an engine to drive.
  • a battery is used as a power source required for driving the motor, and since such a battery acts as an important factor in the lifespan of electric vehicles as well as hybrid vehicles, in order to efficiently operate such a battery, it must be thoroughly managed. do.
  • a cooling device is required to maintain and improve the performance of the battery, and currently used battery cooling methods are largely divided into air cooling and water cooling.
  • the water cooling type is a battery cooling system that cools cooling water using a generally refrigerant and then cools the battery module with the cooled cooling water.
  • a battery chiller is provided in the water-cooled battery cooling system, and a part of the refrigerant circulating in the air conditioner cooling system flows toward the battery chiller, and the cooling water for cooling the battery module is cooled using the flowed refrigerant to cool the battery module.
  • the battery chiller flows in and discharges the cooling water used for cooling the battery module, and distributes a part of the refrigerant circulating in the air conditioner cooling system so that it flows in and discharges, while the refrigerant is heat-exchanged with the cooling water and cooled through heat exchange.
  • the cooling water of a certain temperature is circulated and supplied to the battery module so that the battery module is cooled.
  • the battery chiller as described above has a cooling water inlet hole, a cooling water outlet hole, a coolant inlet hole, and a coolant outlet hole, as disclosed in Patent Document 1 (Korean Patent Publication No. 2018-0092543 published on Aug. 20, 2018), and has a height It includes a first plate and a second plate alternately stacked in the direction so that the coolant flow portion and the coolant flow portion are alternately formed.
  • the first plate and the second plate extend in the longitudinal direction between the coolant inlet hole and the coolant outlet hole when the coolant inlet hole and the coolant outlet hole are disposed on one side and the other side in the width direction, and the coolant It includes a partition portion protruding toward the flow portion, and a plurality of protrusions of the embossing type for guiding the flow of the refrigerant are formed on both sides of the partition portion.
  • the partition portion is provided in a simple linear type and the protrusion portion is also provided in a simple linear type, so that the flow of refrigerant or cooling water flows in a simple straight type, and thus turbulence for the flow of fluid for heat exchange It is difficult to form and there is a problem that the heat dissipation performance is deteriorated.
  • Patent Document 1 Korean Patent Application Publication No. 2018-0092543 published on August 20, 2018.
  • Patent Document 2 Republic of Korea Patent Publication No. 2018-0102792 published on September 18, 2018.
  • Patent Document 3 Registered Korean Patent No. 1528007 on 2015.06.04.
  • the present invention is a refrigerant heat exchange plate and a coolant heat exchange plate alternately disposed between the top plate and the end plate to form a plurality of sets, the central portion of the upper surface width direction of the refrigerant heat exchange plate and the cooling water heat exchange plate.
  • the refractive partition protrusions that guide the "U"-shaped flow are formed in a refractive type by extending a certain length by staggering each other in the longitudinal direction. Accordingly, it is an object of the present invention to provide a battery chiller for a vehicle that can improve heat dissipation performance.
  • the technology according to the present invention is a refrigerant heat exchange plate, a refractive partition protrusion that guides a "U"-shaped flow by extending a certain length by staggering each other in the longitudinal direction at the center part of the upper surface width direction of the cooling water heat exchange plate.
  • Another object is to improve the internal pressure strength in the flow space for heat exchange of refrigerant or cooling water by increasing the brazing area through the refraction type while advantageously forming turbulence through the refraction type refractive partition protrusion.
  • the technology according to the present invention is a refrigerant heat exchange plate, a refrigerant heat exchange plate, a coolant heat exchange plate, while a refrigerant heat exchange plate, a coolant heat exchange plate, a coolant heat exchange plate, while a refractive partition protrusion formed at the center portion of the upper surface width direction Brazing area by forming a U-turn shape along the refrigerant flow space or coolant flow space, and the embossing guide protrusion protruding at regular intervals so that they do not overlap when the refrigerant heat exchange plate and the cooling water heat exchange plate are in close contact with the refrigerant heat exchange plate. It is possible to increase the, through this, there is another purpose to further improve the internal pressure strength.
  • the technology according to the present invention can be produced by alternately stacking plates having the same structure as the refrigerant heat exchange plate in the vertical direction at 180 degrees in the longitudinal direction by applying a cooling water heat exchange plate having the same structure.
  • a cooling water heat exchange plate having the same structure There is another purpose to make it possible to significantly reduce the manufacturing cost.
  • the vehicle battery chiller according to the present invention is applied to a water-cooled battery cooling system, so that the coolant used for cooling the battery module is introduced and discharged while distributing a part of the refrigerant circulating in the air conditioner cooling system to be introduced and discharged.
  • the circumferential part is bent upward in a rectangular plate shape, and then the end is directed outward.
  • the lower part of the refrigerant inlet and the refrigerant outlet that is bent formed, wrapped with a refrigerant flange from the upper part of both sides in the width direction on one side in the longitudinal direction, is connected in communication, and the lower part of the cooling water inlet and the cooling water outlet from the upper part in the width direction on the other side in the longitudinal direction
  • the top plate is connected in communication;
  • An inlet hole and a discharge hole provided in a plate shape corresponding to the shape of the top plate, arranged in a plurality at a predetermined interval under the top plate, and guiding the inflow and discharge of refrigerant to both sides in the width direction of one side in the length direction This through is formed, the lower protrusion is bent to a certain thickness around the inlet hole and the discharge hole to protrude, and communication holes are formed through both sides in the width direction of the other side in the longitudinal direction, so that the upper protrusion is formed around the communication hole to a certain thickness.
  • a refractive section protrusion protrudes over a certain length toward the communication hole side, which is the other side in the longitudinal direction, at a central part in the width direction of one side of the upper surface in the longitudinal direction, and is divided by the refractive section protrusions on the upper surface.
  • An embossing guide protrusion protruding through a plurality of U-turn-shaped regions to guide the flow of fluid at regular intervals is formed, and the refrigerant flowing from the inlet hole is circulated while forming a U-turn shape to heat exchange with the coolant and guide toward the discharge hole.
  • a refrigerant heat exchange plate to be used Same as the refrigerant heat exchange plate, it is provided as an inlet hole having a lower protrusion, a discharge hole having a lower protrusion, a pair of communication holes having an upper protrusion, a refracting partition protrusion, and a plate on which an embossing guide protrusion is formed.
  • a plurality of plates are arranged at the lower part of the plate at regular intervals, rotated 180 degrees with respect to the length direction of the refrigerant heat exchange plate, and are alternately arranged in close contact with the refrigerant heat exchange plate in the vertical direction, and flow in from the inlet hole.
  • a cooling water heat exchange plate configured to form a U-turn shape and guide the cooling water toward the discharge hole to exchange heat with the refrigerant; And an end plate that is formed to be bent outwardly after the circumferential portion is bent upward in a rectangular plate shape, and is in close contact with the lower portion of the cooling water heat exchange plate disposed at the bottom of the cooling water heat exchange plate to seal the lower portion.
  • the refractive partition protrusions of the refrigerant heat exchange plate and the coolant heat exchange plate are bent in a zigzag type having a predetermined angle in the longitudinal direction.
  • the refractive partition protrusions of the refrigerant heat exchange plate and the coolant heat exchange plate may be bent in a crank type that is repeatedly bent at right angles in the longitudinal direction.
  • the refracting partition of the cooling water heat exchange plate and the refrigerant heat exchange plate so as not to overlap each other with respect to the refractive partition protrusion of the cooling water heat exchange plate and the refractive partition protrusion of the refrigerant heat exchange plate when the cooling water heat exchange plate and the refrigerant heat exchange plate are in close contact with each other.
  • the protrusion is formed in a central portion that is offset by a certain distance from the center of the width direction to one side.
  • cooling water heat exchange plate and the refrigerant heat exchange plate are arranged in close contact with each other by alternating vertically between the top plate and the end plate, but it is preferable that 10 are alternately arranged in close contact with each other in the vertical direction.
  • embossing guide protrusions formed to guide the flow of the fluid in a plurality at regular intervals in the area forming the U-turn shape partitioned by the refractive partition protrusions, so that turbulence can be formed when the fluid is circulating It is preferable to be protruded in a long-hole embossing type with an inclined shape of 15 to 25 degrees based on the linear direction between the communication holes.
  • the refrigerant heat exchange plate and the cooling water heat exchange plate are alternately arranged in a plurality of sets between the top plate and the end plate, but a certain length is extended by staggering each other in the longitudinal direction at the center of the upper surface width direction of the refrigerant heat exchange plate and the cooling water heat exchange plate.
  • the refractive partition protrusion guiding the “U”-shaped flow is formed in a refractive type, so that turbulence for the flow of the refrigerant or cooling water is advantageously formed through the refractive partition protrusion, thereby improving heat dissipation performance.
  • the refrigerant heat exchange plate and the coolant heat exchange plate are formed in a refractive type by forming a refractive partition protrusion in the center of the upper surface of the cooling water heat exchange plate in a lengthwise direction and extending a certain length to guide the "U"-shaped flow. Turbulence formation through the protrusions is advantageous and the brazing area through the refraction type is increased, thereby improving the internal pressure strength in the flow space for heat exchange of refrigerant or cooling water.
  • the refrigerant heat exchange plate and the refractive partition protrusion formed in the center portion of the upper surface width direction of the cooling water heat exchange plate are formed at a certain distance from the center of the upper surface width direction, while the upper surface refractive type of the refrigerant heat exchange plate and the cooling water heat exchange plate
  • the partition protrusion forms a U-turn shape along the refrigerant flow space or the cooling water flow space, and the embossing guide protrusions protruding at regular intervals protrude so that they do not overlap when the refrigerant heat exchange plate and the cooling water heat exchange plate are in close contact with each other, thereby increasing the brazing area. Through this, the internal pressure strength can be further improved.
  • the plates having the same structure can be manufactured by alternately stacking the plates with the same structure 180 degrees in the longitudinal direction and alternately stacking them in the vertical direction, thereby significantly reducing the manufacturing cost. I can.
  • FIG. 1 is an exploded perspective view showing a vehicle battery chiller according to the present invention.
  • Figure 2 is a perspective view of a combined vehicle battery chiller according to the present invention.
  • FIG 3 is a combined cross-sectional view showing a cross-sectional structure of a cooling water inlet and a coolant inlet side of a vehicle battery chiller according to the present invention.
  • Figure 4 is a perspective view showing a combined cross-sectional structure of a coolant outlet and a coolant outlet side of a vehicle battery chiller according to the present invention.
  • FIG 5 is an exemplary view showing the flow of coolant and refrigerant in a vehicle battery chiller according to the present invention.
  • FIG. 1 is an exploded perspective view showing a vehicle battery chiller according to the present invention
  • Figure 2 is a combined perspective view showing a vehicle battery chiller according to the present invention.
  • FIG. 3 is a combined cross-sectional view showing a cross-sectional structure of a cooling water inlet and a coolant inlet side of a vehicle battery chiller according to the present invention
  • FIG. 4 is a combined perspective view showing a cross-sectional structure of a cooling water outlet and a refrigerant outlet side of a vehicle battery chiller according to the present invention. It is a configuration diagram.
  • FIG 5 is an exemplary view showing the flow of coolant and coolant in a vehicle battery chiller according to the present invention.
  • the vehicle battery chiller 1000 As shown in Figs. 1 to 5, the vehicle battery chiller 1000 according to a preferred embodiment of the present invention is applied to a water-cooled battery cooling system in a conventional hybrid vehicle or an electric vehicle, and the cooling water used for cooling the battery module is A part of the refrigerant circulated in the air conditioner cooling system is distributed and discharged at the same time as it is introduced and discharged, while the refrigerant is heat-exchanged with the cooling water, and the cooling water of a certain temperature cooled through heat exchange is circulated to the battery module so that the battery module is cooled. It is a device.
  • the battery chiller 1000 for a vehicle according to the present invention as described above includes a top plate 100, a refrigerant heat exchange plate 200, a cooling water heat exchange plate 300, and an end plate 400, if broadly classified.
  • the top plate 100 is formed to be bent outwardly after the circumferential portion is bent upward in the shape of a rectangular plate, and the refrigerant is integrated by wrapping the refrigerant flange 20 from the upper portion of both sides in the width direction of one side in the length direction.
  • the lower ends of the inlet 21 and the refrigerant outlet 22 are connected in communication.
  • the coolant inlet 11 and the lower end of the coolant outlet 12 are connected in communication from the upper portions of both sides in the width direction of the other side in the longitudinal direction.
  • the refrigerant heat exchange plate 200 is provided in a plate shape corresponding to the shape of the top plate 100, and is disposed in a plurality in a lower portion of the top plate 100 at regular intervals.
  • the refrigerant heat exchange plate 200 as described above has an inlet hole 210 and an outlet hole 220 for guiding the inflow and discharge of the refrigerant in both sides in the width direction on one side in the length direction.
  • the lower protrusions 211 and 221 are bent to a predetermined thickness to protrude around the inlet hole 210 and the discharge hole 220.
  • communication holes 230 are formed through both sides in the width direction of the other side in the longitudinal direction, so that the upper protrusion 231 is bent to a predetermined thickness around the communication hole 230 to protrude. .
  • the refrigerant heat exchange plate 200 has a refractive partition protrusion 250 protruding over a predetermined length toward the communication hole 230 side, which is the other side in the longitudinal direction, at a central portion in the width direction of one side of the upper surface in the longitudinal direction.
  • the refrigerant heat exchange plate 200 as described above is, in particular, embossed guide protrusions for guiding the flow of the fluid in a plurality at regular intervals in a region forming a U-turn shape partitioned by the refractive partition protrusion 250 on the upper surface. It is preferable that 270) protrudes.
  • the cooling water heat exchange plate 300 has an inlet hole 310 having a lower protrusion 311, a discharge hole 320 having a lower protrusion 321, and an upper protrusion 331, similar to the refrigerant heat exchange plate 200.
  • the coolant heat exchange plate 300 is disposed in a plurality of pieces at a predetermined interval under the top plate 100, but rotates 180 degrees with respect to the lengthwise direction of the coolant heat exchange plate 200 so as to exchange the coolant heat in a staggered state. It is arranged to be in close contact with each other by alternating with the plate 200 in the vertical direction.
  • the cooling water heat exchange plate 300 is provided as a plate having the same structure as the refrigerant heat exchange plate 200 and rotates 180 degrees with respect to the lengthwise direction of the refrigerant heat exchange plate 200 so that the top plate 100 is staggered. ) Are arranged to be in close contact with each other by alternating in the vertical direction, through which the refrigerant circulated to the upper space of the refrigerant heat exchange plate 200 and the cooling water circulating in the upper space of the cooling water heat exchange plate 300 to exchange heat with each other. Is to do.
  • the inlet hole 310 and the discharge hole 320 correspond to the cooling water inlet 11 and the cooling water outlet 12 so that they can communicate with each other, the inflow from the refrigerant heat exchange plate 200 It is preferable that the hole 210 and the discharge hole 220 are applied in a state in which the positions of the holes 210 and the discharge holes are changed, respectively, and communicate with the cooling water inlet 11 or the cooling water outlet 12 to guide the inflow and discharge of the cooling water.
  • the end plate 400 is formed to be bent outwardly after the circumferential portion is bent upward in the shape of a rectangular plate, and is formed under the cooling water heat exchange plate 300 disposed at the bottom of the cooling water heat exchange plate 300 It is closely attached to seal the lower part.
  • the refractive partition protrusions 250 and 350 of the refrigerant heat exchange plate 200 and the coolant heat exchange plate 300 are circulating the refrigerant and the coolant. It is important to allow the formation of turbulence to be guided advantageously during guiding, and for this purpose, it is preferable to be refracted in a zigzag type having a certain angle in the longitudinal direction for this purpose.
  • the refractive partition protrusions 250 and 350 of the refrigerant heat exchange plate 200 and the cooling water heat exchange plate 300 are not specifically shown in the drawings, but are bent in a crank type that is repeatedly bent at right angles in the longitudinal direction. It could be.
  • the refractive partition protrusion of the cooling water heat exchange plate 300 when the cooling water heat exchange plate 300 and the refrigerant heat exchange plate 200 are in close contact with each other It is important not to overlap each other with respect to 350) and the refractive partition protrusion 250 of the refrigerant heat exchange plate 200.
  • the embossing guide protrusions 270 and 370 of the cooling water heat exchange plate 300 and the refrigerant heat exchange plate 200 when the cooling water heat exchange plate 300 and the refrigerant heat exchange plate 200 are in close contact with each other are also bendable partition protrusions.
  • a predetermined interval is provided in a region forming a U-turn shape partitioned by the refractive partition protrusion 250 of the refrigerant heat exchange plate 200. It is important that the embossing guide protrusion 270 is formed to guide the flow of the fluid in a plurality of pieces so that turbulence can be formed when the fluid is circulated.
  • the embossing guide protrusion 270 is preferably formed to protrude in a long-hole embossing type having an inclined shape of 15 to 25 degrees with respect to the linear direction between the inlet hole 210 and the communication hole 230.
  • long hole embossing type refers to an embossing-type protruding shape that protrudes with a long hole shape, but protrudes round to the center with respect to the upper circumference portion, as shown in the drawing.
  • the cooling water heat exchange plate 300 has the same structure as the refrigerant heat exchange plate 200, the area forming a U-turn shape partitioned by the refractive partitioning protrusion 350 of the cooling water heat exchange plate 300 It is also important that the embossing guide protrusions 370 formed to guide the flow of the fluid in a plurality at regular intervals also allow turbulence to be formed when the fluid is circulated.
  • the embossing guide protrusion 370 is also protruded in a long-hole embossing type having an inclined shape of 15 to 25 degrees with respect to the linear direction between the inflow hole 310 and the communication hole 330.
  • the refrigerant heat exchange plate 200 and the coolant heat exchange plate 300 are between the top plate 100 and the end plate 400. Doedoe arranged in close contact with each other by alternating in the vertical direction, it is preferable that each is arranged in close contact with each other by alternating in the vertical direction by 10.
  • the refrigerant heat exchange plate 200 and the cooling water heat exchange plate 300 are arranged in close contact with each other by alternating vertically between the top plate 100 and the end plate 400, but the required cooling performance for the battery module is provided.
  • each of the same number of each except for each of 10 each alternately in the vertical direction, a plurality of each can be arranged in close contact with each other.
  • the refrigerant heat exchange plate and the coolant heat exchange plate are alternately arranged in close contact between the top plate and the end plate into a plurality of sets, but the refrigerant heat exchange plate and the cooling water heat exchange plate Refraction-type partition protrusions that guide the "U"-shaped flow are formed in a refractive type by extending a certain length at the center of the upper surface in the width direction of each other in the longitudinal direction, thereby preventing the flow of refrigerant or coolant through the refractive-type partition protrusions.
  • the heat dissipation performance can be improved by making turbulence formation advantageous.
  • the refrigerant heat exchange plate and the refrigerant heat exchange plate are formed in a refractive type by forming a refractive partition protrusion in the center of the upper surface of the cooling water heat exchange plate in a lengthwise direction and extending a certain length to guide the "U"-shaped flow. Turbulence formation through the protrusions is advantageous, and the brazing area through the refraction type is increased, thereby improving the internal pressure strength of the flow space for heat exchange of refrigerant or cooling water.
  • the refrigerant heat exchange plate and the refractive partition protrusion formed in the center of the upper surface width direction of the cooling water heat exchange plate are formed at a certain distance from the center of the upper surface width direction, while the upper surface refractive type of the refrigerant heat exchange plate and the cooling water heat exchange plate
  • the partition protrusion forms a U-turn shape along the refrigerant flow space or the cooling water flow space, and the embossing guide protrusions protruding at regular intervals protrude so that they do not overlap when the refrigerant heat exchange plate and the cooling water heat exchange plate are in close contact with each other, thereby increasing the brazing area. Through this, it is possible to further improve the internal pressure strength.
  • plates having the same structure can be manufactured by alternately stacking plates having the same structure 180 degrees in the lengthwise direction and alternating in the vertical direction, thereby significantly reducing the manufacturing cost. It can be.
  • cooling water inlet 12 cooling water outlet
  • refractive section protrusion 370 embossing guide protrusion

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
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  • Manufacturing & Machinery (AREA)
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  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

La présente invention concerne un refroidisseur de batterie pour un véhicule. Dans la présente invention, des plaques d'échange de chaleur de fluide frigorigène et des plaques d'échange de chaleur de liquide de refroidissement sont disposées en alternance entre une plaque supérieure et une plaque d'extrémité sous la forme d'une pluralité d'ensembles étroitement agencés. Des saillies de séparation de réfraction pour guider un écoulement en forme de « U » sont formées dans un type de réfraction en étendant une certaine longueur en alternance à partir des deux extrémités dans la direction longitudinale au centre de la surface supérieure dans la direction de la largeur de la plaque d'échange de chaleur de fluide frigorigène et de la plaque d'échange de chaleur de liquide de refroidissement. Ainsi, il est possible d'améliorer les performances de dissipation de chaleur en le rendant avantageux pour former une turbulence pour l'écoulement de fluide frigorigène ou de liquide de refroidissement à travers les saillies de partition de réfraction de type réfractive. En plus de l'avantage de former des turbulences, une zone de brasage à travers le type de réfraction est simultanément augmentée, ce qui permet d'améliorer la résistance à la pression dans un espace d'écoulement pour l'échange de chaleur de fluide frigorigène ou de liquide de refroidissement. En appliquant la plaque d'échange de chaleur de liquide de refroidissement ayant la même structure que la plaque d'échange de chaleur de fluide frigorigène, le refroidisseur peut être fabriqué en alternant les plaques ayant la même structure unique dans le sens de la longueur à 180 degrés les unes par rapport aux autres et en empilant en alternance les plaques dans la direction verticale. Ainsi, le coût de fabrication peut être significativement réduit.
PCT/KR2020/005743 2019-06-10 2020-04-29 Refroidisseur de batterie pour véhicule WO2020251164A1 (fr)

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KR10-2019-0068129 2019-06-10
KR20190068129 2019-06-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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EP4450913A1 (fr) 2023-04-17 2024-10-23 Valeo Systemes Thermiques Echangeur de chaleur à plaques

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