WO2024117498A1 - Échangeur de chaleur - Google Patents

Échangeur de chaleur Download PDF

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Publication number
WO2024117498A1
WO2024117498A1 PCT/KR2023/014545 KR2023014545W WO2024117498A1 WO 2024117498 A1 WO2024117498 A1 WO 2024117498A1 KR 2023014545 W KR2023014545 W KR 2023014545W WO 2024117498 A1 WO2024117498 A1 WO 2024117498A1
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WO
WIPO (PCT)
Prior art keywords
heat exchange
inlet
outlet
heat exchanger
exchange medium
Prior art date
Application number
PCT/KR2023/014545
Other languages
English (en)
Korean (ko)
Inventor
이상용
이다원
우상구
Original Assignee
한온시스템 주식회사
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
Priority claimed from KR1020220165849A external-priority patent/KR20240081998A/ko
Application filed by 한온시스템 주식회사 filed Critical 한온시스템 주식회사
Publication of WO2024117498A1 publication Critical patent/WO2024117498A1/fr

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  • the present invention was created to solve the problems described above, and the object of the present invention is a multi-pass heat exchanger in which a plurality of heat exchange plates are stacked to form a flow path through which the heat exchange medium flows, and a plurality of flow paths for the heat exchange medium are formed.
  • the positions of the inlet through which the heat exchange medium flows in and the outlet through which the heat exchange medium is discharged can be arranged in the same direction.
  • the heat exchanger of the present invention for achieving the above-described object has a flow path through which the heat exchange medium flows between the heat exchange plates by stacking a plurality of heat exchange plates, and an inlet through which the heat exchange medium flows and an outlet through which the heat exchange medium flows.
  • the heat exchange medium flowing into the core portion may flow into the first pass region after flowing through the isolation flow portion.
  • the pass may be formed of three passes.
  • the inlet through which the heat exchange medium flows into the inlet and the outlet through which the heat exchange medium is discharged from the outlet may be disposed on sides in the same direction in the direction in which the plurality of heat exchange plates of the core part are stacked.
  • the partition portion is formed to cross the longitudinal direction in which the heat exchange medium flows along the inside of the inlet or discharge portion, so that the inner space of the inlet or discharge portion can be divided by the partition portion.
  • the isolation flow part is formed to correspond to the longitudinal direction in which the heat exchange medium flows along the inside of the inlet or outlet, so that the internal space of the inlet or outlet can be partitioned by the isolation flow part.
  • the isolation flow part may partition a partial area of the inlet or outlet in the longitudinal direction in which the heat exchange medium flows along the inside of the inlet or outlet.
  • the partition unit may include a blocking portion that blocks a portion of the interior of the inlet portion; and a baffle portion that partitions and blocks the interior of the discharge portion at a position spaced apart from the blocking portion in the longitudinal direction. may include.
  • the isolation flow part may include an internal pipe that is inserted into the inlet, one longitudinal side of which is inserted and coupled to the inlet of the inlet, and the other longitudinal side of which is inserted and coupled to the blocking part.
  • it may further include an inlet flange that is coupled to the inlet side of the core portion and has a communication passage formed by inserting and coupling one side of the inner pipe.
  • a concave locking groove is formed on the inner peripheral surface of the communication passage of the inlet flange, and a locking protrusion is formed protruding on the outer circumferential surface on one side of the inner pipe, so that the locking protrusion can be inserted into the locking groove and engaged.
  • the blocking portion may include a first extension portion extending radially from the inside of the inlet toward the inner pipe, and a second extension portion extending from an end of the first extension toward the direction in which the inner pipe is inserted.
  • the blocking portion may be formed in a round shape at a portion where the first extension portion and the second extension portion are connected.
  • the other side of the inner pipe inserted into the blocking portion may have a shaft pipe portion formed in a shape in which the outer diameter becomes smaller toward the end.
  • the plurality of heat exchange plates of the core portion penetrate both sides and each has a cup portion protruding in the direction in which the heat exchange plates are stacked around the through hole through which the heat exchange medium flows, and the blocking portion is integrally formed at the end of the cup portion of the heat exchange plate. It can be formed as an extension.
  • the plurality of heat exchange plates of the core portion may have through-holes through which the heat exchange medium flows through both sides, and the baffle portion may be integrally formed so that portions corresponding to the through-holes of the heat exchange plate are blocked.
  • the core portion has a flow path through which a plurality of heat exchange media flows between the heat exchange plates by stacking a plurality of heat exchange plates, and an inlet portion and an outlet portion through which the plurality of heat exchange media are introduced and discharged are formed, respectively.
  • the partition portion and the isolation flow portion may be formed in an inlet or discharge portion through which one of the plurality of heat exchange media flows.
  • the core portion is formed by stacking a plurality of first and second heat exchange plates
  • the partition portion includes a blocking portion that blocks a portion of the interior of the inlet portion. and a baffle portion that partitions and blocks the interior of the discharge portion at a position spaced apart from the blocking portion in the longitudinal direction. It includes: the blocking portion may be formed integrally with the first heat exchange plate at a corresponding location, and the baffle portion may be formed integrally with the first heat exchange plate and the adjacent second heat exchange plate at the corresponding location, respectively.
  • the heat exchanger of the present invention is a multi-pass heat exchanger formed by stacking a plurality of heat exchange plates, and the inlet and outlet portions of the heat exchange medium can be placed on surfaces in the same direction, improving mountability with modular components such as manifolds. There is an advantage to this.
  • the inlet and outlet portions of the heat exchange medium are disposed on surfaces in the same direction, there are advantages in reducing cost, reducing weight, and improving workability when manufacturing a heat exchanger.
  • Figures 1 and 2 are conceptual diagrams showing the arrangement of the inlet and outlet according to the flow path configuration of a conventional laminated plate type heat exchanger.
  • FIG. 3 is a conceptual diagram showing the heat exchanger of the present invention.
  • FIGS. 4 to 6 are an assembled perspective view, an exploded perspective view, and a front cross-sectional view showing a heat exchanger according to an embodiment of the present invention.
  • Figure 7 is a front cross-sectional view showing the configuration of the flow path and path of the refrigerant in the heat exchanger according to an embodiment of the present invention.
  • Figures 8 and 9 are cross-sectional views showing one side and the other side of an internal pipe through which refrigerant flows in a heat exchanger according to an embodiment of the present invention.
  • Figure 10 is a cross-sectional view showing the baffle portion and the outlet side through which refrigerant is discharged from the heat exchanger according to an embodiment of the present invention.
  • FIG. 3 is a conceptual diagram showing the heat exchanger of the present invention.
  • the heat exchanger of the present invention may largely include a core portion 100 and an isolation flow portion, and an inlet through which the heat exchange medium is introduced and an outlet through which the heat exchange medium is discharged may be disposed on one side of the core portion 100.
  • the heat exchanger of the present invention may further include a partition, and the flow of the heat exchange medium may be formed in a plurality of passes, the partition may include a blocking part 120 and a baffle part 130, and the isolation flow part may be formed. It may include an internal pipe 400.
  • the core portion 100 may be formed by stacking a plurality of heat exchange plates, and the core portion 100 may form a heat exchange passage through which the heat exchange medium flows between the heat exchange plates by stacking the plurality of heat exchange plates. there is.
  • the core portion 100 may be formed with an inlet 104 through which the heat exchange medium flows and an outlet 105 through which the heat exchange medium flows through the heat exchange plates in the direction in which the heat exchange plates are stacked on both sides of the heat exchange plates.
  • the partition unit may include, for example, a blocking unit 120 and a baffle unit 130.
  • the blocking portion 120 is disposed inside the inlet 104 of the core portion 100 and is formed to cross the direction in which the heat exchange medium flowing along the inside of the inlet 104 flows, so that the blocking portion 120
  • the internal space of the inlet 104 may be partitioned.
  • the baffle part 130 is disposed inside the discharge part 105 and is formed to cross the direction in which the heat exchange medium flowing along the discharge part 105 flows, so that the baffle part 130 allows the heat exchange medium to flow.
  • the interior space can be partitioned.
  • the isolated flow portion may include an internal pipe 400, for example.
  • the inner pipe 400 is disposed inside the inlet 104 of the core portion 100, and the inner pipe 400 has an inlet portion ( 104) and can be formed in a parallel form.
  • one side of the inner pipe 400 is inserted and coupled to the inlet of the inlet 104 to block the space between the outside of the inner pipe 400 and the inlet of the inlet 104, and the other side of the inner pipe 400 is a blocking part. It may be inserted and coupled through 120 so that the space between the outside of the inner pipe 400 and the blocking portion 120 is blocked. That is, the internal pipe 400 may partition a portion of the inlet 104 to form a separate flow path inside the inlet 104.
  • the core portion 100 includes the blocking portion 120 and the baffle portion 130. ) and can have a plurality of passes by the internal pipe 400.
  • a first path (P1), a second path (P2), and a third path (P3) may be formed.
  • the inlet through which the heat exchange medium flows into the inlet 104 and the outlet through which the heat exchange medium is discharged from the outlet 105 may be disposed on one side of the core portion 100.
  • the heat exchange medium flowing into the core portion 100 may flow through the internal pipe 400 and flow into the area of the inlet portion 104 adjacent to the first pass P1, which is the first pass. Afterwards, it passes through the discharge section 105 through the first pass (P1), then passes between the inlet section 105 and the internal pipe 400 through the second pass (P2), and then through the third pass (P3). It can be discharged to the outside of the core part 100 through the discharge part 105.
  • the heat exchanger of the present invention is formed by stacking a plurality of heat exchange plates and is composed of a multi-pass heat exchanger in which a plurality of flow paths of the heat exchange medium passing through the heat exchange medium flow path are formed, improving heat exchange performance, and also improving heat exchange performance and Since the outlet part can be placed on a surface in the same direction, mountability with modular parts such as a manifold can be improved. Additionally, since the inlet and outlet portions of the heat exchange medium can be placed on surfaces in the same direction, cost reduction, weight reduction, and workability can be improved when manufacturing a heat exchanger.
  • FIGS. 4 to 6 are an assembled perspective view, an exploded perspective view, and a front cross-sectional view showing a heat exchanger according to an embodiment of the present invention.
  • the heat exchanger may largely include a core portion 100, a partition portion, and an isolation flow portion, and the flow of the heat exchange medium is formed in a plurality of passes, and the inlet through which the heat exchange medium flows. And the discharge outlet may be disposed on one side of the core part.
  • the core portion 100 may include a plurality of first heat exchange plates 101a and a plurality of second heat exchange plates 101b, and the partition portion may include a first baffle plate 101 with the blocking portion 120 integrally formed.
  • It may include a second baffle plate 102 in which the baffle portion 130 is integrally formed, and a third baffle plate 103 adjacent to the second plate 102 and in which the baffle portion 130 is integrally formed.
  • the isolated flow portion may include an internal pipe 400.
  • the heat exchanger according to an embodiment of the present invention may further include an inlet flange coupled to the internal pipe 400.
  • the core portion 100 may be formed by alternately stacking a plurality of first heat exchange plates 101a and a plurality of second heat exchange plates 101b, and the overall shape of the core portion 100 is approximately rectangular. It can be.
  • the core portion 100 has first heat exchange plates 101a and second heat exchange plates 101b stacked alternately, so that the refrigerant, which is the first heat exchange medium, and the coolant, which is the second heat exchange medium, can flow without mixing with each other.
  • the refrigerant flow path C1 and the coolant flow path C2 may be formed alternately.
  • first heat exchange plate 101a and the second heat exchange plate 101b of the core portion 100 are formed with through holes penetrating both sides in the stacking direction, and protrude from the through holes toward one side or the other side of the stacking direction.
  • a shaped cup portion 110 is formed, and adjacent cup portions 110 are coupled and connected to each other, so that the refrigerant passages C1 can communicate with each other and the coolant passages C2 can communicate with each other.
  • an inlet 104 through which refrigerant flows in and an outlet 105 through which refrigerant is discharged may be formed by the cup portions 110.
  • the partition portion is adjacent to the first baffle plate 101 in which the blocking portion 120 is integrally formed, the second baffle plate 102 in which the baffle portion 130 is integrally formed, and the second plate 102 and the baffle portion 130.
  • the first baffle plate 101 may be formed in a form in which the blocking portion 120 is integrally extended from the cup portion 110 of the first heat exchange plate 101a, and the blocking portion 120 is formed inside the inlet portion 104. ) may be formed so that the first baffle plate 101 is disposed.
  • the second baffle plate 102 may be integrally formed in such a way that a portion corresponding to the through hole of the first heat exchange plate 101a is blocked by the baffle portion 130.
  • the third baffle plate 103 is disposed adjacent to the second baffle plate 102, and the portion of the third baffle plate 103 corresponding to the through hole of the second heat exchange plate 101b is located in the baffle portion 130. It can be formed integrally in a blocked form. And the baffle portion 130 of the second baffle plate 102 and the baffle portion 130 of the third baffle plate 103 are disposed at positions corresponding to each other and are disposed inside the discharge portion 105. ) can be blocked by dividing the interior. In addition, the second baffle plate 102 and the third baffle plate 103 can partition the internal space of the discharge unit 105 without mixing the refrigerant and coolant.
  • the isolation flow portion may include an internal pipe 400
  • the heat exchanger according to an embodiment of the present invention may further include a refrigerant inlet flange 310 coupled to the internal pipe 400.
  • Most of the inner pipe 400, including the other side, may be inserted into the inlet 104 of the core portion 100, and one side may be pulled out to the outside of the core portion 100.
  • the refrigerant inlet flange 310 is coupled to the outside of the core portion 100, and the refrigerant inlet flange 310 forms a communication passage through which the refrigerant flows, and one side of the internal pipe 400 is inserted and coupled to the communication passage, The space between the outside of the inner pipe 400 and the inlet of the inlet 104 may be blocked.
  • the other side of the inner pipe 400 is inserted and coupled to the blocking portion 120 of the first baffle plate 101, so that the space between the outer side of the inner pipe 400 and the blocking portion 120 is blocked.
  • the internal pipe 400 may partition a portion of the inlet 104 to form a separate flow path inside the inlet 104.
  • Figure 7 is a front cross-sectional view showing the configuration of the flow path and path of the refrigerant in the heat exchanger according to an embodiment of the present invention.
  • the core portion 100 is a blocking portion. It may have a plurality of passes (P) by 120, baffle part 130, and internal pipe 400. For example, a first path (P1), a second path (P2), and a third path (P3) may be formed.
  • the inlet through which the heat exchange medium flows into the inlet 104 and the outlet through which the heat exchange medium is discharged from the outlet 105 may be disposed on the sides of the core portion 100 in the same direction in the direction in which the plurality of heat exchange plates are stacked. .
  • Figures 8 and 9 are cross-sectional views showing one side and the other side of an internal pipe through which refrigerant flows in a heat exchanger according to an embodiment of the present invention.
  • a concave locking groove 311 is formed on the inner peripheral surface of the communication passage of the refrigerant inlet flange 310, and a locking protrusion 410 is formed on the outer peripheral surface on one side of the inner pipe 400, protruding from the inside.
  • the locking protrusion 410 is inserted into the locking groove 311 and can be firmly coupled.
  • a gradient 312 is formed in the communication passage on the side where the internal pipe 400 is inserted into the refrigerant inlet flange 310, making it easy to insert the internal pipe 400 into the refrigerant inlet flange 310.
  • the blocking portion 120 may include a first extension portion 121 and a second extension portion 122.
  • the first extension 121 extends radially from the end of the cup portion 110 of the first heat exchange plate 101a, which constitutes the inlet 104 through which the refrigerant flows, toward the internal pipe 400.
  • the second extension portion 122 may be formed to extend from the end of the first extension portion 121 toward the direction in which the inner pipe 400 is inserted into the inlet portion 104.
  • the portion where the first extension 121 and the second extension 122 are connected is formed in a gently round shape in the outward direction of the bent shape, so that the inner pipe 400 can be inserted into the blocking portion 120. It can be easy.
  • the other side of the inner pipe 400 inserted into the blocking portion 120 has a shaft pipe portion 420 formed in a shape in which the outer diameter becomes smaller toward the end, so that the inner pipe 400 is inserted into the blocking portion 120. It could be easier.
  • Figure 10 is a cross-sectional view showing the baffle portion and the outlet side through which refrigerant is discharged from the heat exchanger according to an embodiment of the present invention.
  • the baffle portions 130 of the second baffle plate 102 and the third baffle plate 103 may be formed in a structure in which a plate-shaped plate is closed without a cup portion 110. Additionally, a refrigerant outlet flange 320 may be connected to the outlet side where the refrigerant is discharged from the outlet 105 of the core unit 100, and the refrigerant outlet flange 320 may be coupled to the outside of the core unit 100.
  • a coolant inlet pipe 210 and a coolant outlet pipe 220 may be coupled to the outside of the core portion 100, and the coolant inlet pipe 210 is connected to the coolant inlet through which the coolant flows and the coolant outlet pipe ( 220) may be connected to a coolant discharge unit through which coolant is discharged.
  • the heat exchanger of the present invention may further include a first reinforcement plate 500 or a second reinforcement plate 600, and the first reinforcement plate 500 is laminated and coupled to one side of the core portion 100 and the second reinforcement plate 500.
  • the reinforcement plate 600 can be laminated and coupled to the other side of the core portion 100 to reinforce the structural rigidity of the core portion 100.
  • the components constituting the heat exchanger of the present invention may be laminated and assembled and then joined by brazing.
  • a clad layer can be formed on at least one side of the surfaces to be joined to each other by brazing, thereby facilitating joining.
  • the heat exchange medium may be a refrigerant or cooling water
  • the heat exchanger may be a water-cooled condenser.
  • the refrigerant and coolant exchange heat and the refrigerant can be condensed, and the gas-liquid separator (receiver dryer) applied to the existing water-cooled condenser can be placed outside the core part and connected to the refrigerant side.
  • the refrigerant inlet flange 310 and the outlet flange 320 formed on one side of the core portion of the heat exchanger of the present invention are an integrated structure such as a refrigerant manifold or coolant manifold that can be disposed on one side of the core portion 100. Can be joined (brazed).
  • cup part 120: blocking part
  • 121 first extension part
  • Coolant outlet pipe 310: Refrigerant inlet flange

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  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

La présente invention concerne un échangeur de chaleur à chemins multiples dans lequel une pluralité de plaques d'échange de chaleur sont empilées pour former une pluralité de chemins d'écoulement à travers lesquels s'écoule un milieu d'échange de chaleur, une entrée à travers laquelle le milieu d'échange de chaleur s'écoule et une sortie à travers laquelle le milieu d'échange de chaleur s'écoule peuvent être positionnées sur le même côté, améliorant ainsi l'exploitabilité et la montabilité par rapport à des composants modulaires tels que des collecteurs.
PCT/KR2023/014545 2022-12-01 2023-09-22 Échangeur de chaleur WO2024117498A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220165849A KR20240081998A (ko) 2022-12-01 열교환기
KR10-2022-0165849 2022-12-01

Publications (1)

Publication Number Publication Date
WO2024117498A1 true WO2024117498A1 (fr) 2024-06-06

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ID=91324363

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2023/014545 WO2024117498A1 (fr) 2022-12-01 2023-09-22 Échangeur de chaleur

Country Status (1)

Country Link
WO (1) WO2024117498A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0702201A1 (fr) * 1994-09-14 1996-03-20 General Motors Corporation Noyau d'échangeur de chaleur avec conduit d'alimentation débouchant à l'intérieur
JPH09196595A (ja) * 1996-01-24 1997-07-31 Showa Alum Corp 積層型蒸発器
JP3395038B2 (ja) * 1997-09-24 2003-04-07 昭和電工株式会社 蒸発器
KR20160009409A (ko) * 2014-07-16 2016-01-26 한온시스템 주식회사 통합형 열교환기
KR20210022842A (ko) * 2019-08-21 2021-03-04 한온시스템 주식회사 적층 플레이트형 열교환기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0702201A1 (fr) * 1994-09-14 1996-03-20 General Motors Corporation Noyau d'échangeur de chaleur avec conduit d'alimentation débouchant à l'intérieur
JPH09196595A (ja) * 1996-01-24 1997-07-31 Showa Alum Corp 積層型蒸発器
JP3395038B2 (ja) * 1997-09-24 2003-04-07 昭和電工株式会社 蒸発器
KR20160009409A (ko) * 2014-07-16 2016-01-26 한온시스템 주식회사 통합형 열교환기
KR20210022842A (ko) * 2019-08-21 2021-03-04 한온시스템 주식회사 적층 플레이트형 열교환기

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