WO2021147479A1 - Plate heat exchanger - Google Patents

Plate heat exchanger Download PDF

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Publication number
WO2021147479A1
WO2021147479A1 PCT/CN2020/128673 CN2020128673W WO2021147479A1 WO 2021147479 A1 WO2021147479 A1 WO 2021147479A1 CN 2020128673 W CN2020128673 W CN 2020128673W WO 2021147479 A1 WO2021147479 A1 WO 2021147479A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchange
exchange plate
plate
annular
protrusion
Prior art date
Application number
PCT/CN2020/128673
Other languages
French (fr)
Chinese (zh)
Inventor
张志锋
安志璇
张凌杰
Original Assignee
丹佛斯有限公司
张志锋
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 丹佛斯有限公司, 张志锋 filed Critical 丹佛斯有限公司
Priority to EP20915546.4A priority Critical patent/EP4095478A4/en
Priority to US17/793,961 priority patent/US20230062508A1/en
Publication of WO2021147479A1 publication Critical patent/WO2021147479A1/en

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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
    • 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
    • F28D9/0062—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 spaced plates with inserted elements
    • F28D9/0075—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 spaced plates with inserted elements the plates having openings therein for circulation of the heat-exchange medium from one conduit to another
    • 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
    • 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
    • F28D9/0037—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 conduits for the other heat-exchange medium also being formed by paired plates touching each other
    • 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
    • F28D9/005—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 the plates having openings therein for both heat-exchange media
    • 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
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • 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
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • F28F3/086—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning having one or more openings therein forming tubular heat-exchange passages
    • 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
    • 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
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates

Definitions

  • the embodiment of the present invention relates to a plate heat exchanger.
  • Plate heat exchangers include cover plates, heat exchange plates, ports, distributors, connecting pipes, etc.
  • the purpose of the embodiments of the present invention is to provide a plate heat exchanger, thereby, for example, the manufacturing process of the plate heat exchanger can be simplified.
  • a plate heat exchanger including: a plurality of heat exchange plates arranged in a stacking direction to form a plurality of heat exchange spaces, the plurality of heat exchange plates
  • the plate includes a plurality of first heat exchange plates and a plurality of second heat exchange plates; and a port formed in the heat exchange plate, and the port communicates with a predetermined heat exchange space among the plurality of heat exchange spaces
  • the The first heat exchange plate includes: a first heat exchange plate body; a first opening formed in the first heat exchange plate body for forming a port; and surrounding the first opening, adjacent to the first opening, and exchanging heat from the first A first annular protrusion protruding from the plate main body toward the first side in the stacking direction
  • the second heat exchange plate includes: a second heat exchange plate main body; and a port formed in the second heat exchange plate main body And a second annular protrusion surrounding the second opening, adjacent to the second opening and protruding from the second heat exchange plate body toward
  • the plate heat exchanger further includes: communicating holes formed in at least some of the first heat exchange plates and/or at least some of the second heat exchange plates, and the ports pass through the communication holes formed in at least some of the first heat exchange plates and/or at least some of the second heat exchange plates.
  • the communication hole communicates with the predetermined heat exchange space.
  • the first annular protrusion of the first heat exchange plate includes: an annular first part extending from the first heat exchange plate body toward the first side;
  • the first part is an inwardly extending ring-shaped second part, the second part of the first ring-shaped protrusion has a surface facing the first side;
  • the second ring-shaped protrusion of the second heat exchange plate includes: A ring-shaped first part extending toward the second side of the second heat exchange plate body; and an ring-shaped first part extending inward from the second ring-shaped protrusion of the second heat exchange plate
  • the second part, the second part of the second ring-shaped protrusion has a surface facing the second side; and the surface of the second part of the first ring-shaped protrusion and the surface of the second ring-shaped protrusion that are adjacent to each other
  • the surface of the second portion is at least partially in contact to form a seal over at least a portion of the circumferential length of the surface of the second portion of the first annular protrusion and
  • the projections of the second portion of the first annular protrusion and the second portion of the second annular protrusion on a plane perpendicular to the stacking direction have an annular inner overlapping portion, and The projection of the communication hole on a plane perpendicular to the stacking direction is outside the ring-shaped inner overlapping portion.
  • at least a part of the projection of the second portion of the first annular protrusion on a plane perpendicular to the stacking direction is on the second portion of the second annular protrusion on a plane perpendicular to the stacking direction On the outside of the projection.
  • the first heat exchange plate further includes an annular portion surrounding the first annular protrusion, the annular portion of the first heat exchange plate has a surface facing the second side, and
  • the second heat exchange plate further includes an annular portion surrounding the second annular protrusion, the annular portion of the second heat exchange plate has a surface facing the first side, and the first heat exchange plates that are adjacent to each other The surface of the annular portion of the plate is at least partially in contact with the surface of the annular portion of the second heat exchange plate to form a seal.
  • the projections of the annular portion of the first heat exchange plate and the annular portion of the second heat exchange plate on a plane perpendicular to the stacking direction have an annular outer overlap portion, and The projection of the communication hole on a plane perpendicular to the stacking direction is inside the ring-shaped outer overlapping portion.
  • At least a part of the projection of the ring-shaped portion of the second heat exchange plate on a plane perpendicular to the stacking direction is on the ring-shaped portion of the first heat exchange plate on a plane perpendicular to the stacking direction On the inside of the projection.
  • the communication hole is in the annular second portion of the first annular protrusion of at least some of the first heat exchange plates and/or the communication hole is in the first heat exchange plate. In the annular portion of at least some of the two heat exchange plates.
  • the first annular protrusion of the first heat exchange plate has an annular shape
  • the second annular protrusion of the second heat exchange plate has an annular shape
  • the The outer diameter of the first annular protrusion of the first heat exchange plate is larger than the outer diameter of the second annular protrusion of the second heat exchange plate.
  • the annular portion of the first heat exchange plate has an annular shape
  • the annular portion of the second heat exchange plate has an annular shape
  • the second heat exchange plate The inner diameter of the annular portion of the plate is smaller than the inner diameter of the annular portion of the first heat exchange plate.
  • the annular portion of the first heat exchange plate is adjacent to the first portion of the first annular protrusion of the first heat exchange plate, and the annular portion of the second heat exchange plate The part is adjacent to the first part of the second annular protrusion of the second heat exchange plate.
  • the first annular protrusion of the first heat exchange plate includes an annular protrusion main body and a communication protrusion extending outward from the annular protrusion main body, and the communication of the first annular protrusion At least a part of the projection of the projection on a plane perpendicular to the stacking direction is outside of the projection of the second portion of the second annular projection on a plane perpendicular to the stacking direction, and the communication hole is positioned perpendicular to the stacking direction.
  • the projection on the plane is in the at least a part of the projection of the communicating protrusion of the first annular protrusion.
  • the annular protrusion body of the first annular protrusion of the first heat exchange plate has an annular shape
  • the second annular protrusion of the second heat exchange plate has an annular shape.
  • Shape, and the outer diameter of the ring-shaped protrusion body of the first ring-shaped protrusion of the first heat exchange plate is approximately equal to the outer diameter of the second ring-shaped protrusion of the second heat exchange plate, and the first ring-shaped
  • the projection of the communicating protrusion of the protrusion on a plane perpendicular to the stacking direction is outside of the projection of the second portion of the second annular protrusion on a plane perpendicular to the stacking direction, and the communicating hole is positioned perpendicular to the stacking direction.
  • the projection on the plane is in the projection of the communicating protrusion of the first annular protrusion.
  • the communication hole is a plurality of communication holes
  • the communication protrusion is a plurality of spaced communication protrusions.
  • the surface of the second annular protrusion of the second heat exchange plate facing the second side has a second recess, and the second recess forms a communication hole.
  • the first annular protrusion of the first heat exchange plate has an annular shape
  • the second protrusion of the second heat exchange plate has an annular shape
  • the first The outer diameter of the first annular protrusion of the heat exchange plate is substantially equal to the outer diameter of the second annular protrusion of the second heat exchange plate.
  • the ring-shaped first portion of the first ring-shaped protrusion of the first heat exchange plate extends obliquely from the main body of the first heat exchange plate toward the first side, and the first heat exchange plate
  • the ring-shaped second portion of the first ring-shaped protrusion from the first ring-shaped first portion of the first ring-shaped protrusion of the first heat exchange plate is substantially parallel to the body of the first heat exchange plate inward
  • the ring-shaped first portion of the second ring-shaped protrusion of the second heat exchange plate extends obliquely from the second heat exchange plate body toward the second side, and the second heat exchange plate
  • the ring-shaped second portion of the second ring-shaped protrusion extends inward from the ring-shaped first portion of the second ring-shaped protrusion of the second heat exchange plate substantially parallel to the second heat exchange plate main body.
  • the ring-shaped second portion of the first ring-shaped protrusion of the first heat exchange plate is adjacent to the first opening, and the second ring-shaped portion of the second heat exchange plate The annular second portion of the protrusion is adjacent to the second opening.
  • the plurality of first heat exchange plates and the plurality of second heat exchange plates are alternately arranged in the stacking direction.
  • the communication hole is formed in the first heat exchange plate and/or the second heat exchange plate.
  • the plate heat exchanger according to the embodiment of the present invention can simplify the manufacturing process of the plate heat exchanger, for example.
  • Fig. 1 is a schematic top view of a port portion of a first heat exchange plate of a plate heat exchanger according to an embodiment of the present invention
  • Fig. 2 is a schematic top view of a port portion of a second heat exchange plate of a plate heat exchanger according to an embodiment of the present invention
  • Figure 3 is a schematic perspective view of a port portion of a plate heat exchanger according to an embodiment of the present invention.
  • FIG. 4 is a schematic cross-sectional perspective view of a port part of a plate heat exchanger according to an embodiment of the present invention
  • Fig. 5 is a schematic top view of a port portion of a first heat exchange plate of a plate heat exchanger according to another embodiment of the present invention.
  • Fig. 6 is a schematic top view of a port portion of a second heat exchange plate of a plate heat exchanger according to another embodiment of the present invention.
  • Figure 7 is a schematic perspective view of a port portion of a plate heat exchanger according to another embodiment of the present invention.
  • Figure 8 is a schematic cross-sectional perspective view of a port portion of a plate heat exchanger according to another embodiment of the present invention.
  • Fig. 9 is a schematic top view of a port portion of a first heat exchange plate of a plate heat exchanger according to another embodiment of the present invention.
  • Fig. 10 is a schematic top view of a port portion of a second heat exchange plate of a plate heat exchanger according to another embodiment of the present invention.
  • Figure 11 is a schematic perspective view of a port portion of a plate heat exchanger according to yet another embodiment of the present invention.
  • Figure 12 is a schematic cross-sectional perspective view of a port portion of a plate heat exchanger according to another embodiment of the present invention.
  • Figure 13 is a schematic perspective view of a plate heat exchanger according to an embodiment of the present invention.
  • Figure 14 is a schematic cross-sectional view of a port portion of a plate heat exchanger according to an embodiment of the present invention.
  • Fig. 15 is a schematic enlarged cross-sectional view of the port portion of the plate heat exchanger shown in Fig. 14;
  • Figure 16 is a schematic perspective view of a plate heat exchanger according to another embodiment of the present invention.
  • Fig. 17 is a schematic cross-sectional view of a port portion of a plate heat exchanger according to another embodiment of the present invention.
  • the plate heat exchanger 100 includes: a plurality of heat exchange plates 1, 2, 3, 4 ( Figure 17) formed in the heat exchange plates 1, 2, 3, 4 Port 93.
  • the plurality of heat exchange plates 1, 2, 3, 4 are arranged in the stacking direction to form a plurality of heat exchange spaces A, B, C (FIG. 17), the plurality of heat exchange plates 1, 2, 3, 4 It includes a plurality of first heat exchange plates 1 and a plurality of second heat exchange plates 2; and the port 93 communicates with a predetermined heat exchange space A of the plurality of heat exchange spaces A, B, and C for the predetermined exchange
  • the hot space A distributes the heat exchange medium.
  • a plurality of first heat exchange plates 1 and a plurality of second heat exchange plates 2 are alternately arranged in the stacking direction to form alternately arranged first heat exchange spaces A and second heat exchange Hot space B.
  • the plurality of heat exchange plates 1, 2, 3, 4 include a plurality of first heat exchange plates 1, a plurality of second heat exchange plates 2, and a plurality of third heat exchange plates.
  • the hot plate 3 and a plurality of fourth heat exchange plates 4, the first heat exchange plate 1, the second heat exchange plate 2, the third heat exchange plate 3 and the fourth heat exchange plate 4 constitute a repeating unit.
  • the plate heat exchanger 100 includes a plurality of repeating units.
  • the plurality of heat exchange spaces A, B, and C include a first heat exchange space A, a second heat exchange space B, and a third heat exchange space C that are separated from each other.
  • the first heat exchange plate 1 includes: a first heat exchange plate main body 10; a first opening 11 formed in the first heat exchange plate main body 10 for forming a port 93; The opening 11 is adjacent to a first annular protrusion 12 that protrudes from the first heat exchange plate main body 10 toward the first side in the stacking direction.
  • the second heat exchange plate 2 includes: a second heat exchange plate main body 20; a second opening 21 formed in the second heat exchange plate main body 20 for forming a port 93; The opening 21 is adjacent to a second annular protrusion 22 protruding from the second heat exchange plate main body 20 toward a second side opposite to the first side in the stacking direction.
  • the sum of the height of the first annular protrusion 12 and the second annular protrusion 22 is equal to the height of the heat exchange space.
  • the height of the first annular protrusion 12 and the second annular protrusion 22 is equal to half of the height of the heat exchange space.
  • the plate heat exchanger 100 in addition to the port 93 as the first heat exchange medium inlet port, also includes a first heat exchange medium outlet 93A and a second heat exchange medium.
  • the plate heat exchanger 100 in addition to the port 93 serving as the first heat exchange medium inlet port, also includes a first heat exchange medium outlet 93A and a second heat exchange medium outlet 93A.
  • the plurality of heat exchange plates 1, 2, 3, 4 include a plurality of first heat exchange plates 1, a plurality of second heat exchange plates 2, a plurality of third heat exchange plates 3, and a plurality of fourth heat exchange plates 4 ,
  • the first heat exchange plate 1, the second heat exchange plate 2, the third heat exchange plate 3 and the fourth heat exchange plate 4 constitute a repeating unit.
  • the plate heat exchanger 100 can form three circuits.
  • the first heat exchange space A, the second heat exchange space B, and the third heat exchange space C are separated from each other.
  • the first heat exchange medium may be a refrigerant
  • the second heat exchange medium may be water
  • the third heat exchange medium may be a refrigerant.
  • the first heat exchange plate 1 and the third heat exchange plate 3 can be the same in the port part, the difference is that one of them has a communicating hole 95, the other does not have a communicating hole 95, the second heat exchange plate 2 and the fourth heat exchange plate 4 can be the same in the port part. If the communication hole 95 is formed in one of the second heat exchange plate 2 and the fourth heat exchange plate 4, the first heat exchange plate 1 and the third heat exchange plate 3 may be the same in the port portion.
  • the first heat exchange plate 1 and the third heat exchange plate 3 may be the same or different in the heat exchange part, and the second heat exchange plate 2 and the fourth heat exchange plate 4 may be the same or different in the heat exchange part.
  • the third heat exchange plate 3 can be considered as the first heat exchange plate 1, but has the same or different heat exchange part as the heat exchange part of the first heat exchange plate 1, and may or may not have the communication hole 95, regardless of the Whether a heat exchange plate 1 has or does not have a communication hole 95.
  • the fourth heat exchange plate 4 can be considered as the second heat exchange plate 2, but has the same or different heat exchange part as the heat exchange part of the second heat exchange plate 2, and may or may not have the communication hole 95, regardless of the Whether the second heat exchange plate 2 has or does not have a communication hole 95.
  • the port part includes the ring parts 14 and 24 and the parts inside the ring parts 14 and 24, and the heat exchange part is the part where the heat exchange space is located and is located outside the ring parts 14 and 24.
  • the first annular protrusion 12 of the first heat exchange plate 1 It includes: a ring-shaped first portion 1201 extending from the first heat exchange plate body 10 toward the first side; and a ring-shaped second portion 1202 extending inward from the ring-shaped first portion 1201, the first ring
  • the second portion 1202 of the protrusion 12 has a surface 1203 facing the first side.
  • the second annular protrusion 22 of the second heat exchange plate 2 includes: an annular first portion 2201 extending from the second heat exchange plate main body 20 toward the second side;
  • the second ring-shaped portion 2202 of the second ring-shaped protrusion 22 extends inward from the ring-shaped first portion 2201, and the second portion 2202 of the second ring-shaped protrusion 22 has a surface facing the second side 2203.
  • the surface 1203 of the second portion 1202 and the surface 2203 of the second portion 2202 of the second annular protrusion 22 form a seal on at least part of the circumferential length, so that the heat exchange medium from the port 93 will not flow in the entire
  • the predetermined heat exchange space A flows between the surface 1203 of the second portion 1202 of the first annular protrusion 12 and the surface 2203 of the second portion 2202 of the second annular protrusion 22, but only flows into the predetermined heat exchange space A through the communication hole 95 Heat exchange space A.
  • the ring shape of the first ring-shaped protrusion 12 of the first heat exchange plate 1 The first portion 1201 extends obliquely from the first heat exchange plate body 10 toward the first side, and the annular second portion 1202 of the first annular protrusion 12 of the first heat exchange plate 1 extends from the first The ring-shaped first portion 1201 of the first ring-shaped protrusion 12 of the heat exchange plate 1 extends inward substantially parallel to the first heat exchange plate body 10.
  • the ring-shaped first portion 2201 of the second ring-shaped protrusion 22 of the second heat exchange plate 2 extends obliquely from the second heat exchange plate main body 20 toward the second side, and all of the second heat exchange plate 2
  • the ring-shaped second portion 2202 of the second ring-shaped protrusion 22 extends from the ring-shaped first portion 2201 of the second ring-shaped protrusion 22 of the second heat exchange plate 2 inward with the second heat exchange plate
  • the main body 20 extends substantially in parallel.
  • the ring-shaped second portion 1202 of the first ring-shaped protrusion 12 of the first heat exchange plate 1 is adjacent to the first opening 11, and the second ring-shaped portion of the second heat exchange plate 2
  • the annular second portion 2022 of the protrusion 22 is adjacent to the second opening 21.
  • the first heat exchange plate 1 further includes surrounding the first ring
  • the annular portion 14 of the protrusion 12 has a surface 15 facing the second side
  • the second heat exchange plate 2 further includes a peripheral portion surrounding the second annular protrusion 22
  • the annular portion 24, the annular portion 24 of the second heat exchange plate 2 has a surface 25 facing the first side
  • the surface 15 of the annular portion 14 of the first heat exchange plate 1 adjacent to each other is
  • the surface 25 of the annular portion 24 of the second heat exchange plate 2 is at least partially in contact to form a seal.
  • the plate heat exchanger further includes: at least some of the heat exchange plates formed in the first heat exchange plate 1. And/or the communication hole 95 in at least some of the second heat exchange plates 2, the port 93 communicates with the predetermined heat exchange space A through the communication hole 95.
  • the communication hole 95 may have any suitable shape, such as a circular shape, a semicircular shape, an elliptical shape, a quadrangular shape, and the like.
  • the second portion 1202 of the first annular protrusion 12 and the second portion 2202 of the second annular protrusion 22 are in contact with each other.
  • the projection on the plane perpendicular to the stacking direction has a ring-shaped inner overlapping portion (for example, the radially inner overlapping portion), and the projection of the communication hole 95 on a plane perpendicular to the stacking direction is on the ring-shaped inner overlapping portion Outside (for example, radially outside).
  • At least a part of the projection of the second portion 1202 of the first annular protrusion 12 on a plane perpendicular to the stacking direction is on the second portion 2202 of the second annular protrusion 22 on a plane perpendicular to the stacking direction
  • the outside of the projection for example, the radial outside.
  • the annular portion 14 of the first heat exchange plate 1 and the annular portion 24 of the second heat exchange plate 2 are in the stacking direction.
  • the projection on the vertical plane has a ring-shaped outer overlapping portion (for example, a radially outer overlapping portion), and the projection of the communication hole 95 on a plane perpendicular to the stacking direction is inside the ring-shaped outer overlapping portion ( For example, radially inside).
  • the projection of the annular portion 24 of the second heat exchange plate 2 on a plane perpendicular to the stacking direction is on the annular portion 14 of the first heat exchange plate 1 on a plane perpendicular to the stacking direction
  • the inner side of the projection (for example, the radial inner side).
  • the annular portion 14 of the first heat exchange plate 1 has an annular shape
  • the annular portion 24 of the second heat exchange plate 2 has an annular shape
  • the inner diameter of the annular portion 24 of 2 is smaller than the inner diameter of the annular portion 14 of the first heat exchange plate 1.
  • the annular portion 14 of the first heat exchange plate 1 may be adjacent to the first portion 1201 of the first annular protrusion 12 of the first heat exchange plate 1, and the annular portion of the second heat exchange plate 2
  • the portion 24 may be adjacent to the first portion 2201 of the second annular protrusion 22 of the second heat exchange plate 2.
  • the communication hole 95 is in the ring of the first annular protrusion 12 of at least some of the first heat exchange plate 1.
  • the second portion 1202 having a shape and/or the communication hole 95 is in the annular portion 24 of at least some of the second heat exchange plate 2.
  • the communication hole 95 is easy to process, has high precision, and is not easy to be blocked.
  • the communication hole 95 is formed in the first heat exchange plate 1 and/or the second heat exchange plate 2.
  • the communication hole 95 is in the ring of the first annular protrusion 12 of at least some of the first heat exchange plate 1.
  • the first portion 1201 having a shape and/or the communication hole 95 is in the first portion 2201 of the annular shape of at least some of the second heat exchange plates 2.
  • the first annular protrusion 12 and the second annular protrusion 22 can have the same shape and the same size.
  • FIGS. 1, 3, 4, 5, 7, and 8 show that the communication hole 95 is formed in the first heat exchange plate 1, the communication hole 95 may be formed in the second heat exchange plate 2, or the communication hole 95 It may be formed in each of the first heat exchange plate 1 and the second heat exchange plate 2.
  • FIGS. 1, 3, 4, 5, 7, and 8 show that one communication hole 95 is formed in the first heat exchange plate 1, a plurality of communication holes 95 may be formed in the first heat exchange plate. In 1, a plurality of communication holes 95 are formed in the second heat exchange plate 2, or a plurality of communication holes 95 are formed in each of the first heat exchange plate 1 and the second heat exchange plate 2.
  • the first annular protrusion 12 of the first heat exchange plate 1 has an annular shape
  • the second annular protrusion 22 of the second heat exchange plate 2 It has an annular shape
  • the outer diameter of the first annular protrusion 12 of the first heat exchange plate 1 is larger than the outer diameter of the second annular protrusion 22 of the second heat exchange plate 2.
  • the first annular protrusion 12 of the first heat exchange plate 1 and the second annular protrusion 22 of the second heat exchange plate 2 may be substantially concentric.
  • the first annular protrusion 12 of the first heat exchange plate 1 includes an annular protrusion body 120 and outwards (for example, radially from the annular protrusion body 120). Outward, toward the communicating protrusion 121 extending away from the center of the annular protrusion main body 120), and at least a part of the projection of the communicating protrusion 121 of the first annular protrusion 12 on a plane perpendicular to the stacking direction is in the The second portion 2202 of the second annular protrusion 22 is outside (for example, radially outside) of the projection on a plane perpendicular to the stacking direction, and the projection of the communication hole 95 on a plane perpendicular to the stacking direction is on the first In the at least a part of the projection of the communicating protrusion 121 of an annular protrusion 12.
  • FIGS. 1, 3, and 4 show that the communication hole 95 is formed in the communication protrusion 121 of the first heat exchange plate 1, the communication hole 95 may be formed in the second heat exchange plate 2, or the communication hole 95 may be formed In each of the communication protrusion 121 of the first heat exchange plate 1 and the second heat exchange plate 2.
  • a plurality of communication protrusions 121 may also be provided, whereby the plurality of communication holes 95 are respectively formed.
  • the plurality of communication protrusions 121 formed in the first heat exchange plate 1, or the plurality of communication holes 95 are formed in the second heat exchange plate 2, or the plurality of communication holes 95 are formed in the plurality of communication protrusions of the first heat exchange plate 1. In each of the protrusion 121 and the second heat exchange plate 2.
  • the annular protrusion body 120 of the first annular protrusion 12 of the first heat exchange plate 1 has an annular shape
  • the second annular protrusion 22 of 2 has an annular shape
  • the outer diameter of the annular protrusion body 120 of the first annular protrusion 12 of the first heat exchange plate 1 is approximately equal to that of the second heat exchange plate 2.
  • the outer diameter of the second annular protrusion 22, and the projection of the communication protrusion 121 of the first annular protrusion 12 on a plane perpendicular to the stacking direction is on the second portion 2202 of the second annular protrusion 22 and
  • the projection on the plane perpendicular to the stacking direction is outside (for example, radially outward), and the projection of the communication hole 95 on the plane perpendicular to the stacking direction is in the projection of the communication protrusion 121 of the first annular projection 12.
  • the communication hole 95 is a plurality of communication holes 95
  • the communication protrusion 121 is a plurality of communication protrusions 121 spaced apart.
  • the surface 2203 of the second annular protrusion 22 of the second heat exchange plate 2 facing the second side has a recess 2206, and the recess forms a communicating hole 95. Therefore, only the concave portion needs to be processed on one side of the second heat exchange plate 2, which is convenient for processing and has high precision.
  • the surface 1203 of the first annular protrusion 12 of the first heat exchange plate 1 facing the first side has a recess, which forms a communicating hole 95, or the first annular protrusion of the first heat exchange plate 1
  • the surface 1203 of the protrusion 12 facing the first side has a recess
  • the surface 2203 of the second annular protrusion 22 of the second heat exchange plate 2 facing the second side has a recess 2206
  • the surface of the first heat exchange plate 1 The concave portion of the surface 1203 facing the first side of the first annular protrusion 12 and the concave portion 2206 of the surface 2203 facing the second side of the second annular protrusion 22 of the second heat exchange plate 2 are aligned in the lamination direction to
  • the communication holes 95 are formed or not aligned to form the communication holes 95 respectively.
  • an insert with a hole may be placed in the recess to ensure the accuracy of the communication hole.
  • the first annular protrusion 12 of the first heat exchange plate 1 has an annular shape
  • the second protrusion of the second heat exchange plate 2 has an annular shape
  • the first heat exchange plate The outer diameter of the first annular protrusion 12 of the plate 1 is approximately equal to the outer diameter of the second annular protrusion 22 of the second heat exchange plate 2.
  • the concept according to the embodiment of the present invention can be applied to any plate heat exchanger, and is not limited to the heat exchanger shown in the figure. That is, the port part of the heat exchange plate of the plate heat exchanger according to the embodiment of the present invention can be applied to any plate heat exchanger.
  • the plate heat exchanger according to the embodiment of the present invention can simplify the manufacturing process of the plate heat exchanger, for example.
  • the plate heat exchanger can save a separate distributor.
  • the use of the plate heat exchanger according to the embodiment of the present invention can reduce the cost.
  • an integrated distributor is formed on the heat exchange plate by stamping.

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  • Physics & Mathematics (AREA)
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Abstract

Disclosed in an embodiment of the present invention is a plate heat exchanger. The plate heat exchanger comprises heat exchange plates and a port in communication with a predetermined heat exchange space of a plurality of heat exchange spaces. The heat exchange plates of the plate heat exchanger comprise a plurality of first heat exchange plates and a plurality of second heat exchange plates. The first heat exchange plate comprises a first heat exchange plate main body; a first opening formed in the first heat exchange plate main body for forming a port; and a first annular protrusion surrounding the first opening, which is adjacent to the first opening, and protruding from the first heat exchange plate main body toward a first side in a stacking direction. The second heat exchange plate comprises a second heat exchange plate main body; a second opening formed in the second heat exchange plate main body for forming a port; and a second annular protrusion surrounding the second opening, which is adjacent to the second opening, and protruding from the second heat exchange plate main body toward a second side opposite the first side in the stacking direction. The plate heat exchanger according to the embodiment of the present invention can, for example, simplify a manufacturing process of the plate heat exchanger.

Description

板式换热器Plate heat exchanger
相关申请的交叉引用Cross-references to related applications
本申请要求于2020年1月22日递交中国专利局的、申请号为202010073885.3的中国专利申请的权益，该申请的全部公开内容以引用方式并入本文。This application claims the rights and interests of the Chinese patent application with application number 202010073885.3 filed with the Chinese Patent Office on January 22, 2020, and the entire disclosure of the application is incorporated herein by reference.
技术领域Technical field
本发明的实施例涉及一种板式换热器。The embodiment of the present invention relates to a plate heat exchanger.
背景技术Background technique
板式换热器包括盖板、换热板、端口、分配器、连接管等。Plate heat exchangers include cover plates, heat exchange plates, ports, distributors, connecting pipes, etc.
发明内容Summary of the invention
本发明的实施例的目的是提供一种板式换热器，由此例如可以简化板式换热器的制造工艺。The purpose of the embodiments of the present invention is to provide a plate heat exchanger, thereby, for example, the manufacturing process of the plate heat exchanger can be simplified.
根据本发明的实施例，提供了一种板式换热器，包括：多个换热板，所述多个换热板在层叠方向上排列以形成多个换热空间，所述多个换热板包括多个第一换热板和多个第二换热板；以及形成在换热板中的端口，所述端口与所述多个换热空间中的预定换热空间连通，其中所述第一换热板包括：第一换热板主体；形成在第一换热板主体中的用于形成端口的第一开口；以及围绕第一开口、与第一开口邻接并从第一换热板主体朝向层叠方向上的第一侧凸起的第一环状突起；以及所述第二换热板包括：第二换热板主体；形成在第二换热板主体中的用于形成端口的第二开口；以及围绕第二开口、与第二开口邻接并从第二换热板主体朝向层叠方向上的与第一侧相反的第二侧凸起的第二环状突起。According to an embodiment of the present invention, there is provided a plate heat exchanger, including: a plurality of heat exchange plates arranged in a stacking direction to form a plurality of heat exchange spaces, the plurality of heat exchange plates The plate includes a plurality of first heat exchange plates and a plurality of second heat exchange plates; and a port formed in the heat exchange plate, and the port communicates with a predetermined heat exchange space among the plurality of heat exchange spaces, wherein the The first heat exchange plate includes: a first heat exchange plate body; a first opening formed in the first heat exchange plate body for forming a port; and surrounding the first opening, adjacent to the first opening, and exchanging heat from the first A first annular protrusion protruding from the plate main body toward the first side in the stacking direction; and the second heat exchange plate includes: a second heat exchange plate main body; and a port formed in the second heat exchange plate main body And a second annular protrusion surrounding the second opening, adjacent to the second opening and protruding from the second heat exchange plate body toward the second side opposite to the first side in the stacking direction.
根据本发明的实施例，所述的板式换热器还包括：形成在第一换热板中的至少一些和/或第二换热板中的至少一些中的连通孔，所述端口通过所述连通孔与所述预定换热空间连通。According to an embodiment of the present invention, the plate heat exchanger further includes: communicating holes formed in at least some of the first heat exchange plates and/or at least some of the second heat exchange plates, and the ports pass through the communication holes formed in at least some of the first heat exchange plates and/or at least some of the second heat exchange plates. The communication hole communicates with the predetermined heat exchange space.
根据本发明的实施例，所述第一换热板的所述第一环状突起包括：从第一换热板主体朝向第一侧延伸的环状的第一部分；以及从所述环状的第一部分向内延伸的环状的第二部分，所述第一环状突起的第二部分具有朝向第一侧的表面；所述第二换热板的所述第二环状突起包括：从第二换热板主体朝向第二侧延伸的环状的第一部分；以及从所述第二换热板的所述第二环状突起的所述环状的第一部分向内延伸的环状的第二部分，所述第二环状突起的第二部分具有朝向第二侧的表面；以及彼此相邻的所述第一环状突起的第二部分的表面与所述第二环状突起的第二部分的表面至少部分接触以在所述第一环状突起的第二部分的表面与所述第二环状突起的第二部分的表面的至少部分周向长度上形成密封。According to an embodiment of the present invention, the first annular protrusion of the first heat exchange plate includes: an annular first part extending from the first heat exchange plate body toward the first side; The first part is an inwardly extending ring-shaped second part, the second part of the first ring-shaped protrusion has a surface facing the first side; the second ring-shaped protrusion of the second heat exchange plate includes: A ring-shaped first part extending toward the second side of the second heat exchange plate body; and an ring-shaped first part extending inward from the second ring-shaped protrusion of the second heat exchange plate The second part, the second part of the second ring-shaped protrusion has a surface facing the second side; and the surface of the second part of the first ring-shaped protrusion and the surface of the second ring-shaped protrusion that are adjacent to each other The surface of the second portion is at least partially in contact to form a seal over at least a portion of the circumferential length of the surface of the second portion of the first annular protrusion and the surface of the second portion of the second annular protrusion.
根据本发明的实施例，所述第一环状突起的第二部分与所述第二环状突起的第二部分在与层叠方向垂直的平面上的投影具有环状的内重叠部分，以及所述连通孔在与层叠方向垂直的平面上的投影在环状的内重叠部分的外侧。根据本发明的实施例，所述第一环状突起的第二部分在与层叠方向垂直的平面上的投影的至少一部分在所述第二环状突起的第二部分在与层叠方向垂直的平面上的投影的外侧。According to an embodiment of the present invention, the projections of the second portion of the first annular protrusion and the second portion of the second annular protrusion on a plane perpendicular to the stacking direction have an annular inner overlapping portion, and The projection of the communication hole on a plane perpendicular to the stacking direction is outside the ring-shaped inner overlapping portion. According to an embodiment of the present invention, at least a part of the projection of the second portion of the first annular protrusion on a plane perpendicular to the stacking direction is on the second portion of the second annular protrusion on a plane perpendicular to the stacking direction On the outside of the projection.
根据本发明的实施例，所述第一换热板还包括围绕所述第一环状突起的环状部分，所述第一换热板的环状部分具有朝向第二侧的表面，所述第二换热板还包括围绕所述第二环状突起的环状部分，所述第二换热板的环状部分具有朝向第一侧的表面，并且彼此相邻的所述第一换热板的环状部分的表面与所述第二换热板的环状部分的表面至少部分接触以形成密封。According to an embodiment of the present invention, the first heat exchange plate further includes an annular portion surrounding the first annular protrusion, the annular portion of the first heat exchange plate has a surface facing the second side, and The second heat exchange plate further includes an annular portion surrounding the second annular protrusion, the annular portion of the second heat exchange plate has a surface facing the first side, and the first heat exchange plates that are adjacent to each other The surface of the annular portion of the plate is at least partially in contact with the surface of the annular portion of the second heat exchange plate to form a seal.
根据本发明的实施例，所述第一换热板的环状部分与所述第二换热板的环状部分在与层叠方向垂直的平面上的投影具有环状的外重叠部分，以及所述连通孔在与层叠方向垂直的平面上的投影在环状的外重叠部分的内侧。According to an embodiment of the present invention, the projections of the annular portion of the first heat exchange plate and the annular portion of the second heat exchange plate on a plane perpendicular to the stacking direction have an annular outer overlap portion, and The projection of the communication hole on a plane perpendicular to the stacking direction is inside the ring-shaped outer overlapping portion.
根据本发明的实施例，所述第二换热板的环状部分在与层叠方向垂直的平面上的投影的至少一部分在所述第一换热板的环状部分在与层叠方向垂直的平面上的投影的内侧。According to an embodiment of the present invention, at least a part of the projection of the ring-shaped portion of the second heat exchange plate on a plane perpendicular to the stacking direction is on the ring-shaped portion of the first heat exchange plate on a plane perpendicular to the stacking direction On the inside of the projection.
根据本发明的实施例，所述连通孔在所述第一换热板中的至少一些的所述第一环状突起的环状的第二部分中和/或所述连通孔在所述第二换热板中的至少一些的环状部分中。According to an embodiment of the present invention, the communication hole is in the annular second portion of the first annular protrusion of at least some of the first heat exchange plates and/or the communication hole is in the first heat exchange plate. In the annular portion of at least some of the two heat exchange plates.
根据本发明的实施例，所述第一换热板的第一环状突起具有圆环状的形状，所述第二换热板的第二环状突起具有圆环状的形状，以及所述第一换热板的所述第一环状突起的外径大于所述第二换热板的所述第二环状突起的外径。According to an embodiment of the present invention, the first annular protrusion of the first heat exchange plate has an annular shape, the second annular protrusion of the second heat exchange plate has an annular shape, and the The outer diameter of the first annular protrusion of the first heat exchange plate is larger than the outer diameter of the second annular protrusion of the second heat exchange plate.
根据本发明的实施例，所述第一换热板的环状部分具有圆环状的形状，所述第二换热板的环状部分具有圆环状的形状，以及所述第二换热板的环状部分的内径小于所述第一换热板的环状部分的内径。According to an embodiment of the present invention, the annular portion of the first heat exchange plate has an annular shape, the annular portion of the second heat exchange plate has an annular shape, and the second heat exchange plate The inner diameter of the annular portion of the plate is smaller than the inner diameter of the annular portion of the first heat exchange plate.
根据本发明的实施例，所述第一换热板的环状部分与所述第一换热板的所述第一环状突起的第一部分邻接，并且所述第二换热板的环状部分与所述第二换热板的所述第二环状突起的第一部分邻接。According to an embodiment of the present invention, the annular portion of the first heat exchange plate is adjacent to the first portion of the first annular protrusion of the first heat exchange plate, and the annular portion of the second heat exchange plate The part is adjacent to the first part of the second annular protrusion of the second heat exchange plate.
根据本发明的实施例，所述第一换热板的第一环状突起包括环状突起主体以及从所述环状突起主体向外延伸的连通突起，并且所述第一环状突起的连通突起在与层叠方向垂直的平面上的投影的至少一部分在所述第二环状突起的第二部分在与层叠方向垂直的平面上的投影的外侧，并且所述连通孔在与层叠方向垂直的平面上的投影在所述第一环状突起的连通突起的投影的所述至少一部分中。According to an embodiment of the present invention, the first annular protrusion of the first heat exchange plate includes an annular protrusion main body and a communication protrusion extending outward from the annular protrusion main body, and the communication of the first annular protrusion At least a part of the projection of the projection on a plane perpendicular to the stacking direction is outside of the projection of the second portion of the second annular projection on a plane perpendicular to the stacking direction, and the communication hole is positioned perpendicular to the stacking direction. The projection on the plane is in the at least a part of the projection of the communicating protrusion of the first annular protrusion.
根据本发明的实施例，所述第一换热板的第一环状突起的环状突起主体具有圆环状的形状，所述第二换热板的第二环状突起具有圆环状的形状，以及所述第一换热板的第一环状突起的环状突起主体的外径大致等于所述第二换热板的第二环状突起的外径，并且所述第一环状突起的连通突起在与层叠方向垂直的平面上的投影在所述第二环状突起的第二部分在与层叠方向垂直的平面上的投影的外侧，并且所述连通孔在与层叠方向垂直的平面上的投影在所述第一环状突起的连通突起的投影中。According to an embodiment of the present invention, the annular protrusion body of the first annular protrusion of the first heat exchange plate has an annular shape, and the second annular protrusion of the second heat exchange plate has an annular shape. Shape, and the outer diameter of the ring-shaped protrusion body of the first ring-shaped protrusion of the first heat exchange plate is approximately equal to the outer diameter of the second ring-shaped protrusion of the second heat exchange plate, and the first ring-shaped The projection of the communicating protrusion of the protrusion on a plane perpendicular to the stacking direction is outside of the projection of the second portion of the second annular protrusion on a plane perpendicular to the stacking direction, and the communicating hole is positioned perpendicular to the stacking direction. The projection on the plane is in the projection of the communicating protrusion of the first annular protrusion.
根据本发明的实施例，所述连通孔是多个连通孔，并且所述连通突起是多个间隔开的连通突起。According to an embodiment of the present invention, the communication hole is a plurality of communication holes, and the communication protrusion is a plurality of spaced communication protrusions.
根据本发明的实施例，所述第二换热板的第二环状突起的朝向第二侧的表面具有第二凹部，该第二凹部形成连通孔。According to an embodiment of the present invention, the surface of the second annular protrusion of the second heat exchange plate facing the second side has a second recess, and the second recess forms a communication hole.
根据本发明的实施例，所述第一换热板的第一环状突起具有圆环状的形状，所述第二换热板的第二突起具有圆环状的形状，并且所述第一换热板的第一环状突起的外径大致等于所述第二换热板的第二环状突起的外径。According to an embodiment of the present invention, the first annular protrusion of the first heat exchange plate has an annular shape, the second protrusion of the second heat exchange plate has an annular shape, and the first The outer diameter of the first annular protrusion of the heat exchange plate is substantially equal to the outer diameter of the second annular protrusion of the second heat exchange plate.
根据本发明的实施例，所述第一换热板的所述第一环状突起的环状的第一部分从第一换热板主体朝向第一侧倾斜延伸，并且所述第一换热板的所述第一环状突起的环状的第二部分从所述第一换热板的所述第一环状突起的所述环状的第一部分向内与第一换热板主体大致平行地延伸；以及所述第二换热板的所述第二环状突起的环状的第一部分从第二换热板主体朝向第二侧倾斜延伸，并且所述第二换热板的所述第二环状突起的环状的第二部分从所述第二换热板的所述第二环状突起的所述环状的第一部分向内与第二换热板主体大致平行地延伸。According to an embodiment of the present invention, the ring-shaped first portion of the first ring-shaped protrusion of the first heat exchange plate extends obliquely from the main body of the first heat exchange plate toward the first side, and the first heat exchange plate The ring-shaped second portion of the first ring-shaped protrusion from the first ring-shaped first portion of the first ring-shaped protrusion of the first heat exchange plate is substantially parallel to the body of the first heat exchange plate inward And the ring-shaped first portion of the second ring-shaped protrusion of the second heat exchange plate extends obliquely from the second heat exchange plate body toward the second side, and the second heat exchange plate The ring-shaped second portion of the second ring-shaped protrusion extends inward from the ring-shaped first portion of the second ring-shaped protrusion of the second heat exchange plate substantially parallel to the second heat exchange plate main body.
根据本发明的实施例，所述第一换热板的所述第一环状突起的环状的第二部分与第一开口邻接，并且所述第二换热板的所述第二环状突起的环状的第二部分与第二开口邻接。According to an embodiment of the present invention, the ring-shaped second portion of the first ring-shaped protrusion of the first heat exchange plate is adjacent to the first opening, and the second ring-shaped portion of the second heat exchange plate The annular second portion of the protrusion is adjacent to the second opening.
根据本发明的实施例，多个第一换热板和多个第二换热板在层叠方向上交替排列。According to an embodiment of the present invention, the plurality of first heat exchange plates and the plurality of second heat exchange plates are alternately arranged in the stacking direction.
根据本发明的实施例，连通孔形成在第一换热板和/或第二换热板中。According to an embodiment of the present invention, the communication hole is formed in the first heat exchange plate and/or the second heat exchange plate.
根据本发明的实施例的板式换热器例如可以简化板式换热器的制造工艺。The plate heat exchanger according to the embodiment of the present invention can simplify the manufacturing process of the plate heat exchanger, for example.
附图说明Description of the drawings
图1为根据本发明的一个实施例的板式换热器的第一换热板的端口部分的示意俯视图；Fig. 1 is a schematic top view of a port portion of a first heat exchange plate of a plate heat exchanger according to an embodiment of the present invention;
图2为根据本发明的一个实施例的板式换热器的第二换热板的端口部分的示意俯视图；Fig. 2 is a schematic top view of a port portion of a second heat exchange plate of a plate heat exchanger according to an embodiment of the present invention;
图3为根据本发明的一个实施例的板式换热器的端口部分的示意立体图；Figure 3 is a schematic perspective view of a port portion of a plate heat exchanger according to an embodiment of the present invention;
图4为根据本发明的一个实施例的板式换热器的端口部分的示意剖视立体图；4 is a schematic cross-sectional perspective view of a port part of a plate heat exchanger according to an embodiment of the present invention;
图5为根据本发明的另一个实施例的板式换热器的第一换热板的端口部分的示意俯视图；Fig. 5 is a schematic top view of a port portion of a first heat exchange plate of a plate heat exchanger according to another embodiment of the present invention;
图6为根据本发明的另一个实施例的板式换热器的第二换热板的端口部分的示意俯视图；Fig. 6 is a schematic top view of a port portion of a second heat exchange plate of a plate heat exchanger according to another embodiment of the present invention;
图7为根据本发明的另一个实施例的板式换热器的端口部分的示意立体图；Figure 7 is a schematic perspective view of a port portion of a plate heat exchanger according to another embodiment of the present invention;
图8为根据本发明的另一个实施例的板式换热器的端口部分的示意剖视立体图；Figure 8 is a schematic cross-sectional perspective view of a port portion of a plate heat exchanger according to another embodiment of the present invention;
图9为根据本发明的又一个实施例的板式换热器的第一换热板的端口部分的示意俯视图；Fig. 9 is a schematic top view of a port portion of a first heat exchange plate of a plate heat exchanger according to another embodiment of the present invention;
图10为根据本发明的又一个实施例的板式换热器的第二换热板的端口部分的示意俯视图；Fig. 10 is a schematic top view of a port portion of a second heat exchange plate of a plate heat exchanger according to another embodiment of the present invention;
图11为根据本发明的又一个实施例的板式换热器的端口部分的示意立体图；Figure 11 is a schematic perspective view of a port portion of a plate heat exchanger according to yet another embodiment of the present invention;
图12为根据本发明的又一个实施例的板式换热器的端口部分的示意剖视立体图；Figure 12 is a schematic cross-sectional perspective view of a port portion of a plate heat exchanger according to another embodiment of the present invention;
图13为根据本发明的一个实施例的板式换热器的示意立体图；Figure 13 is a schematic perspective view of a plate heat exchanger according to an embodiment of the present invention;
图14为根据本发明的一个实施例的板式换热器的端口部分的示意剖视图；Figure 14 is a schematic cross-sectional view of a port portion of a plate heat exchanger according to an embodiment of the present invention;
图15为图14所示的板式换热器的端口部分的示意放大剖视图；Fig. 15 is a schematic enlarged cross-sectional view of the port portion of the plate heat exchanger shown in Fig. 14;
图16为根据本发明的另一个实施例的板式换热器的示意立体图；以及Figure 16 is a schematic perspective view of a plate heat exchanger according to another embodiment of the present invention; and
图17为根据本发明的另一个实施例的板式换热器的端口部分的示意剖视图。Fig. 17 is a schematic cross-sectional view of a port portion of a plate heat exchanger according to another embodiment of the present invention.
具体实施方式Detailed ways
下面结合附图及具体实施方式对本发明做进一步说明。The present invention will be further described below in conjunction with the drawings and specific embodiments.
参见图1至17，根据本发明的实施例的板式换热器100包括：多个换热板1、2、3、4(图17)形成在换热板1、2、3、4中的端口93。所述多个换热板1、2、3、4在层叠方向上排列以形成多个换热空间A、B、C(图17)，所述多个换热板1、2、3、4包括多个第一换热板1和多个第二换热板2；以及所述端口93与所述多个换热空间A、B、C中的预定换热空间A连通以为所述预定换热空间A分配换热介质。在图1至15所示的实施例中，多个第一换热板1和多个第二换热板2在层叠方向上交替排列，形成交替排列的第一换热空间A和第二换热空间B。在图16和17所示的实施例中，所述多个换热板1、2、3、4包括多个第一换热板1、多个第二换热板2、多个第三换热板3和多个第四换热板4，第一换热板1、第二换热板2、第三换热板3和第四换热板4构成一个重复单元。板式换热器100包括多个重复单元。多个换热空间A、B、C包括相互隔开的第一换热空间A、第二换热空间B和第三换热空间C。所述第一换热板1包括：第一换热板主体10；形成在第一换热板主体10中的用于形成端口93的第一开口11；以及围绕第一开口11、与第一开口11邻接并从第一换热板主体10朝向层叠方向上的第一侧凸起的第一环状突起12。所述第二换热板2包括：第二换热板主体20；形成在第二换热板主体20中的用于形成端口93的第二开口21；以及围绕第二开口21、与第二开口21邻接并从第二换热板主体20朝向层叠方向上的与第一侧相反的第二侧凸起的第二环状突起22。第一环状突起12和第二环状突起22的高度之和等于换热空间的高度，例如第一环状突起12和第二环状突起22的高度等于换热空间的高度的一半。1 to 17, the plate heat exchanger 100 according to an embodiment of the present invention includes: a plurality of heat exchange plates 1, 2, 3, 4 (Figure 17) formed in the heat exchange plates 1, 2, 3, 4 Port 93. The plurality of heat exchange plates 1, 2, 3, 4 are arranged in the stacking direction to form a plurality of heat exchange spaces A, B, C (FIG. 17), the plurality of heat exchange plates 1, 2, 3, 4 It includes a plurality of first heat exchange plates 1 and a plurality of second heat exchange plates 2; and the port 93 communicates with a predetermined heat exchange space A of the plurality of heat exchange spaces A, B, and C for the predetermined exchange The hot space A distributes the heat exchange medium. In the embodiment shown in Figures 1 to 15, a plurality of first heat exchange plates 1 and a plurality of second heat exchange plates 2 are alternately arranged in the stacking direction to form alternately arranged first heat exchange spaces A and second heat exchange Hot space B. In the embodiment shown in FIGS. 16 and 17, the plurality of heat exchange plates 1, 2, 3, 4 include a plurality of first heat exchange plates 1, a plurality of second heat exchange plates 2, and a plurality of third heat exchange plates. The hot plate 3 and a plurality of fourth heat exchange plates 4, the first heat exchange plate 1, the second heat exchange plate 2, the third heat exchange plate 3 and the fourth heat exchange plate 4 constitute a repeating unit. The plate heat exchanger 100 includes a plurality of repeating units. The plurality of heat exchange spaces A, B, and C include a first heat exchange space A, a second heat exchange space B, and a third heat exchange space C that are separated from each other. The first heat exchange plate 1 includes: a first heat exchange plate main body 10; a first opening 11 formed in the first heat exchange plate main body 10 for forming a port 93; The opening 11 is adjacent to a first annular protrusion 12 that protrudes from the first heat exchange plate main body 10 toward the first side in the stacking direction. The second heat exchange plate 2 includes: a second heat exchange plate main body 20; a second opening 21 formed in the second heat exchange plate main body 20 for forming a port 93; The opening 21 is adjacent to a second annular protrusion 22 protruding from the second heat exchange plate main body 20 toward a second side opposite to the first side in the stacking direction. The sum of the height of the first annular protrusion 12 and the second annular protrusion 22 is equal to the height of the heat exchange space. For example, the height of the first annular protrusion 12 and the second annular protrusion 22 is equal to half of the height of the heat exchange space.
在本发明的一些实施例中，参见图13、14，除了作为第一换热介质入口端口的端口93之外，板式换热器100还包括第一换热介质出口93A、第二换热介质入口93B、第二换热介质出口93C。In some embodiments of the present invention, referring to Figures 13 and 14, in addition to the port 93 as the first heat exchange medium inlet port, the plate heat exchanger 100 also includes a first heat exchange medium outlet 93A and a second heat exchange medium. The inlet 93B and the second heat exchange medium outlet 93C.
在本发明的另一些实施例中，参见图16、17，除了作为第一换热介质入口端口的端口93之外，板式换热器100还包括第一换热介质出口93A、第二换热介质入口93B、第二换热介质出口93C、第三 换热介质入口93D、第三换热介质出口93E。所述多个换热板1、2、3、4包括多个第一换热板1、多个第二换热板2、多个第三换热板3和多个第四换热板4，第一换热板1、第二换热板2、第三换热板3和第四换热板4构成一个重复单元。板式换热器100可以形成三个回路。第一换热空间A、第二换热空间B和第三换热空间C相互分离。第一换热介质可以是制冷剂，第二换热介质可以是水，第三换热介质可以是制冷剂。第一换热板1和第三换热板3在端口部分可以相同，不同之处在于其中的一个具有连通孔95，另一个没有连通孔95，第二换热板2和第四换热板4在端口部分可以相同。如果连通孔95形成在第二换热板2和第四换热板4中的一个中，第一换热板1和第三换热板3在端口部分可以相同。第一换热板1和第三换热板3在换热部分可以相同或不同，第二换热板2和第四换热板4在换热部分可以相同或不同。第三换热板3可以认为是第一换热板1，但是具有与第一换热板1的换热部分相同或不同的换热部分，并且可以具有或不具有连通孔95，而不管第一换热板1是否具有或不具有连通孔95。第四换热板4可以认为是第二换热板2，但是具有与第二换热板2的换热部分相同或不同的换热部分，并且可以具有或不具有连通孔95，而不管第二换热板2是否具有或不具有连通孔95。端口部分包括环状部分14、24以及环状部分14、24内的部分，而换热部分是换热空间所在的部分，位于环状部分14、24之外。In other embodiments of the present invention, referring to Figures 16 and 17, in addition to the port 93 serving as the first heat exchange medium inlet port, the plate heat exchanger 100 also includes a first heat exchange medium outlet 93A and a second heat exchange medium outlet 93A. The medium inlet 93B, the second heat exchange medium outlet 93C, the third heat exchange medium inlet 93D, and the third heat exchange medium outlet 93E. The plurality of heat exchange plates 1, 2, 3, 4 include a plurality of first heat exchange plates 1, a plurality of second heat exchange plates 2, a plurality of third heat exchange plates 3, and a plurality of fourth heat exchange plates 4 , The first heat exchange plate 1, the second heat exchange plate 2, the third heat exchange plate 3 and the fourth heat exchange plate 4 constitute a repeating unit. The plate heat exchanger 100 can form three circuits. The first heat exchange space A, the second heat exchange space B, and the third heat exchange space C are separated from each other. The first heat exchange medium may be a refrigerant, the second heat exchange medium may be water, and the third heat exchange medium may be a refrigerant. The first heat exchange plate 1 and the third heat exchange plate 3 can be the same in the port part, the difference is that one of them has a communicating hole 95, the other does not have a communicating hole 95, the second heat exchange plate 2 and the fourth heat exchange plate 4 can be the same in the port part. If the communication hole 95 is formed in one of the second heat exchange plate 2 and the fourth heat exchange plate 4, the first heat exchange plate 1 and the third heat exchange plate 3 may be the same in the port portion. The first heat exchange plate 1 and the third heat exchange plate 3 may be the same or different in the heat exchange part, and the second heat exchange plate 2 and the fourth heat exchange plate 4 may be the same or different in the heat exchange part. The third heat exchange plate 3 can be considered as the first heat exchange plate 1, but has the same or different heat exchange part as the heat exchange part of the first heat exchange plate 1, and may or may not have the communication hole 95, regardless of the Whether a heat exchange plate 1 has or does not have a communication hole 95. The fourth heat exchange plate 4 can be considered as the second heat exchange plate 2, but has the same or different heat exchange part as the heat exchange part of the second heat exchange plate 2, and may or may not have the communication hole 95, regardless of the Whether the second heat exchange plate 2 has or does not have a communication hole 95. The port part includes the ring parts 14 and 24 and the parts inside the ring parts 14 and 24, and the heat exchange part is the part where the heat exchange space is located and is located outside the ring parts 14 and 24.
在本发明的一些实施例中，参见图1、3、4、5、7、8、11、12、14、15、17，所述第一换热板1的所述第一环状突起12包括：从第一换热板主体10朝向第一侧延伸的环状的第一部分1201；以及从所述环状的第一部分1201向内延伸的环状的第二部分1202，所述第一环状突起12的第二部分1202具有朝向第一侧的表面1203。所述第二换热板2的所述第二环状突起22包括：从第二换热板主体20朝向第二侧延伸的环状的第一部分2201；以及从所述第二换热板2的所述第二环状突起22的所述环状的第一部分2201向内延伸的环状的第二部分2202，所述第二环状突起22的第二部分2202具有朝向第二侧的表面2203。彼此相邻的所述第一环状突起12的第二部分1202 的表面1203与所述第二环状突起22的第二部分2202的表面2203至少部分接触以在所述第一环状突起12的第二部分1202的表面1203与所述第二环状突起22的第二部分2202的表面2203的至少部分周向长度上形成密封，由此，来自端口93的换热介质不会在整个所述第一环状突起12的第二部分1202的表面1203与所述第二环状突起22的第二部分2202的表面2203之间流入预定换热空间A，而是仅仅通过连通孔95流入预定换热空间A。In some embodiments of the present invention, referring to Figures 1, 3, 4, 5, 7, 8, 11, 12, 14, 15, 17, the first annular protrusion 12 of the first heat exchange plate 1 It includes: a ring-shaped first portion 1201 extending from the first heat exchange plate body 10 toward the first side; and a ring-shaped second portion 1202 extending inward from the ring-shaped first portion 1201, the first ring The second portion 1202 of the protrusion 12 has a surface 1203 facing the first side. The second annular protrusion 22 of the second heat exchange plate 2 includes: an annular first portion 2201 extending from the second heat exchange plate main body 20 toward the second side; The second ring-shaped portion 2202 of the second ring-shaped protrusion 22 extends inward from the ring-shaped first portion 2201, and the second portion 2202 of the second ring-shaped protrusion 22 has a surface facing the second side 2203. The surface 1203 of the second portion 1202 of the first annular protrusion 12 that is adjacent to each other and the surface 2203 of the second portion 2202 of the second annular protrusion 22 at least partially contact each other so as to be in contact with the first annular protrusion 12 The surface 1203 of the second portion 1202 and the surface 2203 of the second portion 2202 of the second annular protrusion 22 form a seal on at least part of the circumferential length, so that the heat exchange medium from the port 93 will not flow in the entire The predetermined heat exchange space A flows between the surface 1203 of the second portion 1202 of the first annular protrusion 12 and the surface 2203 of the second portion 2202 of the second annular protrusion 22, but only flows into the predetermined heat exchange space A through the communication hole 95 Heat exchange space A.
参见图1、3、4、5、7、8、11、12、14、15、17，根据本发明的示例，所述第一换热板1的所述第一环状突起12的环状的第一部分1201从第一换热板主体10朝向第一侧倾斜延伸，并且所述第一换热板1的所述第一环状突起12的环状的第二部分1202从所述第一换热板1的所述第一环状突起12的所述环状的第一部分1201向内与第一换热板主体10大致平行地延伸。所述第二换热板2的所述第二环状突起22的环状的第一部分2201从第二换热板主体20朝向第二侧倾斜延伸，并且所述第二换热板2的所述第二环状突起22的环状的第二部分2202从所述第二换热板2的所述第二环状突起22的所述环状的第一部分2201向内与第二换热板主体20大致平行地延伸。例如，所述第一换热板1的所述第一环状突起12的环状的第二部分1202与第一开口11邻接，并且所述第二换热板2的所述第二环状突起22的环状的第二部分2022与第二开口21邻接。Referring to Figures 1, 3, 4, 5, 7, 8, 11, 12, 14, 15, 17, according to an example of the present invention, the ring shape of the first ring-shaped protrusion 12 of the first heat exchange plate 1 The first portion 1201 extends obliquely from the first heat exchange plate body 10 toward the first side, and the annular second portion 1202 of the first annular protrusion 12 of the first heat exchange plate 1 extends from the first The ring-shaped first portion 1201 of the first ring-shaped protrusion 12 of the heat exchange plate 1 extends inward substantially parallel to the first heat exchange plate body 10. The ring-shaped first portion 2201 of the second ring-shaped protrusion 22 of the second heat exchange plate 2 extends obliquely from the second heat exchange plate main body 20 toward the second side, and all of the second heat exchange plate 2 The ring-shaped second portion 2202 of the second ring-shaped protrusion 22 extends from the ring-shaped first portion 2201 of the second ring-shaped protrusion 22 of the second heat exchange plate 2 inward with the second heat exchange plate The main body 20 extends substantially in parallel. For example, the ring-shaped second portion 1202 of the first ring-shaped protrusion 12 of the first heat exchange plate 1 is adjacent to the first opening 11, and the second ring-shaped portion of the second heat exchange plate 2 The annular second portion 2022 of the protrusion 22 is adjacent to the second opening 21.
在本发明的一些实施例中，参见图1、3、4、5、7、8、11、12、14、15、17，所述第一换热板1还包括围绕所述第一环状突起12的环状部分14，所述第一换热板1的环状部分14具有朝向第二侧的表面15，所述第二换热板2还包括围绕所述第二环状突起22的环状部分24，所述第二换热板2的环状部分24具有朝向第一侧的表面25，并且彼此相邻的所述第一换热板1的环状部分14的表面15与所述第二换热板2的环状部分24的表面25至少部分接触以形成密封。由此，来自端口93的换热介质不会流入除了预定换热空间A的其它换热空间B、C。In some embodiments of the present invention, referring to Figs. 1, 3, 4, 5, 7, 8, 11, 12, 14, 15, 17, the first heat exchange plate 1 further includes surrounding the first ring The annular portion 14 of the protrusion 12, the annular portion 14 of the first heat exchange plate 1 has a surface 15 facing the second side, and the second heat exchange plate 2 further includes a peripheral portion surrounding the second annular protrusion 22 The annular portion 24, the annular portion 24 of the second heat exchange plate 2 has a surface 25 facing the first side, and the surface 15 of the annular portion 14 of the first heat exchange plate 1 adjacent to each other is The surface 25 of the annular portion 24 of the second heat exchange plate 2 is at least partially in contact to form a seal. Thus, the heat exchange medium from the port 93 will not flow into the heat exchange spaces B and C other than the predetermined heat exchange space A.
在本发明的一些实施例中，参见图1、3、4、5、7、8、11、12、 15、17，板式换热器还包括：形成在第一换热板1中的至少一些和/或第二换热板2中的至少一些中的连通孔95，所述端口93通过所述连通孔95与所述预定换热空间A连通。连通孔95可以具有任何合适的形状，例如圆形的形状、半圆形的形状，椭圆形的形状、四边形的形状等。In some embodiments of the present invention, referring to Figures 1, 3, 4, 5, 7, 8, 11, 12, 15, 17, the plate heat exchanger further includes: at least some of the heat exchange plates formed in the first heat exchange plate 1. And/or the communication hole 95 in at least some of the second heat exchange plates 2, the port 93 communicates with the predetermined heat exchange space A through the communication hole 95. The communication hole 95 may have any suitable shape, such as a circular shape, a semicircular shape, an elliptical shape, a quadrangular shape, and the like.
在本发明的一些实施例中，参见图4、8、14、15、17，所述第一环状突起12的第二部分1202与所述第二环状突起22的第二部分2202在与层叠方向垂直的平面上的投影具有环状的内重叠部分(例如，径向内侧的重叠部分)，以及所述连通孔95在与层叠方向垂直的平面上的投影在环状的内重叠部分的外侧(例如，径向外侧)。例如，所述第一环状突起12的第二部分1202在与层叠方向垂直的平面上的投影的至少一部分在所述第二环状突起22的第二部分2202在与层叠方向垂直的平面上的投影的外侧(例如，径向外侧)。In some embodiments of the present invention, referring to Figures 4, 8, 14, 15, 17, the second portion 1202 of the first annular protrusion 12 and the second portion 2202 of the second annular protrusion 22 are in contact with each other. The projection on the plane perpendicular to the stacking direction has a ring-shaped inner overlapping portion (for example, the radially inner overlapping portion), and the projection of the communication hole 95 on a plane perpendicular to the stacking direction is on the ring-shaped inner overlapping portion Outside (for example, radially outside). For example, at least a part of the projection of the second portion 1202 of the first annular protrusion 12 on a plane perpendicular to the stacking direction is on the second portion 2202 of the second annular protrusion 22 on a plane perpendicular to the stacking direction The outside of the projection (for example, the radial outside).
在本发明的一些实施例中，参见图4、8、14、16，所述第一换热板1的环状部分14与所述第二换热板2的环状部分24在与层叠方向垂直的平面上的投影具有环状的外重叠部分(例如，径向外侧的重叠部分)，以及所述连通孔95在与层叠方向垂直的平面上的投影在环状的外重叠部分的内侧(例如，径向内侧)。例如，所述第二换热板2的环状部分24在与层叠方向垂直的平面上的投影的至少一部分在所述第一换热板1的环状部分14在与层叠方向垂直的平面上的投影的内侧(例如，径向内侧)。例如，所述第一换热板1的环状部分14具有圆环状的形状，所述第二换热板2的环状部分24具有圆环状的形状，以及所述第二换热板2的环状部分24的内径小于所述第一换热板1的环状部分14的内径。所述第一换热板1的环状部分14可以与所述第一换热板1的所述第一环状突起12的第一部分1201邻接，并且所述第二换热板2的环状部分24可以与所述第二换热板2的所述第二环状突起22的第一部分2201邻接。In some embodiments of the present invention, referring to Figures 4, 8, 14, and 16, the annular portion 14 of the first heat exchange plate 1 and the annular portion 24 of the second heat exchange plate 2 are in the stacking direction. The projection on the vertical plane has a ring-shaped outer overlapping portion (for example, a radially outer overlapping portion), and the projection of the communication hole 95 on a plane perpendicular to the stacking direction is inside the ring-shaped outer overlapping portion ( For example, radially inside). For example, at least a part of the projection of the annular portion 24 of the second heat exchange plate 2 on a plane perpendicular to the stacking direction is on the annular portion 14 of the first heat exchange plate 1 on a plane perpendicular to the stacking direction The inner side of the projection (for example, the radial inner side). For example, the annular portion 14 of the first heat exchange plate 1 has an annular shape, the annular portion 24 of the second heat exchange plate 2 has an annular shape, and the second heat exchange plate The inner diameter of the annular portion 24 of 2 is smaller than the inner diameter of the annular portion 14 of the first heat exchange plate 1. The annular portion 14 of the first heat exchange plate 1 may be adjacent to the first portion 1201 of the first annular protrusion 12 of the first heat exchange plate 1, and the annular portion of the second heat exchange plate 2 The portion 24 may be adjacent to the first portion 2201 of the second annular protrusion 22 of the second heat exchange plate 2.
在本发明的一些实施例中，参见图4、8、14、15、17，所述连通孔95在所述第一换热板1中的至少一些的所述第一环状突起12的环状的第二部分1202中和/或所述连通孔95在所述第二换热板2中 的至少一些的环状部分24中。由此，连通孔95加工方便，精度高，且不容易堵塞。例如，在图14所示的实施例中，连通孔95形成在第一换热板1和/或第二换热板2中。In some embodiments of the present invention, referring to Figures 4, 8, 14, 15, 17, the communication hole 95 is in the ring of the first annular protrusion 12 of at least some of the first heat exchange plate 1. The second portion 1202 having a shape and/or the communication hole 95 is in the annular portion 24 of at least some of the second heat exchange plate 2. As a result, the communication hole 95 is easy to process, has high precision, and is not easy to be blocked. For example, in the embodiment shown in FIG. 14, the communication hole 95 is formed in the first heat exchange plate 1 and/or the second heat exchange plate 2.
在本发明的一些实施例中，参见图4、8、14、15、17，所述连通孔95在所述第一换热板1中的至少一些的所述第一环状突起12的环状的第一部分1201中和/或所述连通孔95在所述第二换热板2中的至少一些的环状的第一部分2201中。由此，第一环状突起12和第二环状突起22的形状可以一样并且大小相同。In some embodiments of the present invention, referring to Figures 4, 8, 14, 15, 17, the communication hole 95 is in the ring of the first annular protrusion 12 of at least some of the first heat exchange plate 1. The first portion 1201 having a shape and/or the communication hole 95 is in the first portion 2201 of the annular shape of at least some of the second heat exchange plates 2. Thus, the first annular protrusion 12 and the second annular protrusion 22 can have the same shape and the same size.
尽管附图1、3、4、5、7、8中示出了连通孔95形成在第一换热板1中，但是连通孔95可以形成在第二换热板2中，或者连通孔95可以形成在第一换热板1和第二换热板2中的每一个中。此外，尽管附图1、3、4、5、7、8中示出了一个连通孔95形成在第一换热板1中，但是也可以是多个连通孔95形成在第一换热板1中，多个连通孔95形成在第二换热板2中，或者多个连通孔95形成在第一换热板1和第二换热板2中的每一个中。Although FIGS. 1, 3, 4, 5, 7, and 8 show that the communication hole 95 is formed in the first heat exchange plate 1, the communication hole 95 may be formed in the second heat exchange plate 2, or the communication hole 95 It may be formed in each of the first heat exchange plate 1 and the second heat exchange plate 2. In addition, although FIGS. 1, 3, 4, 5, 7, and 8 show that one communication hole 95 is formed in the first heat exchange plate 1, a plurality of communication holes 95 may be formed in the first heat exchange plate. In 1, a plurality of communication holes 95 are formed in the second heat exchange plate 2, or a plurality of communication holes 95 are formed in each of the first heat exchange plate 1 and the second heat exchange plate 2.
在本发明的一些实施例中，参见图8，所述第一换热板1的第一环状突起12具有圆环状的形状，所述第二换热板2的第二环状突起22具有圆环状的形状，以及所述第一换热板1的所述第一环状突起12的外径大于所述第二换热板2的所述第二环状突起22的外径。在层叠方向上观看时，所述第一换热板1的所述第一环状突起12与所述第二换热板2的所述第二环状突起22可以大致同心。In some embodiments of the present invention, referring to FIG. 8, the first annular protrusion 12 of the first heat exchange plate 1 has an annular shape, and the second annular protrusion 22 of the second heat exchange plate 2 It has an annular shape, and the outer diameter of the first annular protrusion 12 of the first heat exchange plate 1 is larger than the outer diameter of the second annular protrusion 22 of the second heat exchange plate 2. When viewed in the stacking direction, the first annular protrusion 12 of the first heat exchange plate 1 and the second annular protrusion 22 of the second heat exchange plate 2 may be substantially concentric.
在本发明的一些实施例中，参见图4，所述第一换热板1的第一环状突起12包括环状突起主体120以及从所述环状突起主体120向外(例如，径向向外，朝向远离环状突起主体120的中心的方向)延伸的连通突起121，并且所述第一环状突起12的连通突起121在与层叠方向垂直的平面上的投影的至少一部分在所述第二环状突起22的第二部分2202在与层叠方向垂直的平面上的投影的外侧(例如径向外侧)，并且所述连通孔95在与层叠方向垂直的平面上的投影在所述第一环状突起12的连通突起121的投影的所述至少一部分中。尽管附图1、3、4中示出了连通孔95形成在第一换热板1的连通突起 121中，但是连通孔95可以形成在第二换热板2中，或者连通孔95可以形成在第一换热板1的连通突起121和第二换热板2中的每一个中。此外，尽管附图1、3、4中示出了一个连通孔95形成在第一换热板1的连通突起121中，但是也可以设置多个连通突起121，由此多个连通孔95分别形成在第一换热板1的多个连通突起121中，或者多个连通孔95形成在第二换热板2中，或者多个连通孔95形成在第一换热板1的多个连通突起121和第二换热板2中的每一个中。In some embodiments of the present invention, referring to FIG. 4, the first annular protrusion 12 of the first heat exchange plate 1 includes an annular protrusion body 120 and outwards (for example, radially from the annular protrusion body 120). Outward, toward the communicating protrusion 121 extending away from the center of the annular protrusion main body 120), and at least a part of the projection of the communicating protrusion 121 of the first annular protrusion 12 on a plane perpendicular to the stacking direction is in the The second portion 2202 of the second annular protrusion 22 is outside (for example, radially outside) of the projection on a plane perpendicular to the stacking direction, and the projection of the communication hole 95 on a plane perpendicular to the stacking direction is on the first In the at least a part of the projection of the communicating protrusion 121 of an annular protrusion 12. Although FIGS. 1, 3, and 4 show that the communication hole 95 is formed in the communication protrusion 121 of the first heat exchange plate 1, the communication hole 95 may be formed in the second heat exchange plate 2, or the communication hole 95 may be formed In each of the communication protrusion 121 of the first heat exchange plate 1 and the second heat exchange plate 2. In addition, although it is shown in FIGS. 1, 3, and 4 that one communication hole 95 is formed in the communication protrusion 121 of the first heat exchange plate 1, a plurality of communication protrusions 121 may also be provided, whereby the plurality of communication holes 95 are respectively formed. The plurality of communication protrusions 121 formed in the first heat exchange plate 1, or the plurality of communication holes 95 are formed in the second heat exchange plate 2, or the plurality of communication holes 95 are formed in the plurality of communication protrusions of the first heat exchange plate 1. In each of the protrusion 121 and the second heat exchange plate 2.
在本发明的一些实施例中，参见图1至4，所述第一换热板1的第一环状突起12的环状突起主体120具有圆环状的形状，所述第二换热板2的第二环状突起22具有圆环状的形状，以及所述第一换热板1的第一环状突起12的环状突起主体120的外径大致等于所述第二换热板2的第二环状突起22的外径，并且所述第一环状突起12的连通突起121在与层叠方向垂直的平面上的投影在所述第二环状突起22的第二部分2202在与层叠方向垂直的平面上的投影的外侧(例如径向外侧)，并且所述连通孔95在与层叠方向垂直的平面上的投影在所述第一环状突起12的连通突起121的投影中。In some embodiments of the present invention, referring to FIGS. 1 to 4, the annular protrusion body 120 of the first annular protrusion 12 of the first heat exchange plate 1 has an annular shape, and the second heat exchange plate The second annular protrusion 22 of 2 has an annular shape, and the outer diameter of the annular protrusion body 120 of the first annular protrusion 12 of the first heat exchange plate 1 is approximately equal to that of the second heat exchange plate 2. The outer diameter of the second annular protrusion 22, and the projection of the communication protrusion 121 of the first annular protrusion 12 on a plane perpendicular to the stacking direction is on the second portion 2202 of the second annular protrusion 22 and The projection on the plane perpendicular to the stacking direction is outside (for example, radially outward), and the projection of the communication hole 95 on the plane perpendicular to the stacking direction is in the projection of the communication protrusion 121 of the first annular projection 12.
在本发明的一些实施例中，参见图1至4，所述连通孔95是多个连通孔95，并且所述连通突起121是多个间隔开的连通突起121。In some embodiments of the present invention, referring to FIGS. 1 to 4, the communication hole 95 is a plurality of communication holes 95, and the communication protrusion 121 is a plurality of communication protrusions 121 spaced apart.
在本发明的一些实施例中，参见图11、12，所述第二换热板2的第二环状突起22的朝向第二侧的表面2203具有凹部2206，该凹部形成连通孔95。由此，只需在第二换热板2的一侧上加工出凹部，加工方便，精度高。作为选择，所述第一换热板1的第一环状突起12的朝向第一侧的表面1203具有凹部，该凹部形成连通孔95，或者所述第一换热板1的第一环状突起12的朝向第一侧的表面1203具有凹部，所述第二换热板2的第二环状突起22的朝向第二侧的表面2203具有凹部2206，并且所述第一换热板1的第一环状突起12的朝向第一侧的表面1203的凹部和所述第二换热板2的第二环状突起22的朝向第二侧的表面2203的凹部2206在层叠方向上对准以形成连通孔95或者不对准以分别形成连通孔95。根据本发明的示例，可在凹部内放置带孔的插件，以确保连通孔的精度。例如，所述第一换热板1 的第一环状突起12具有圆环状的形状，所述第二换热板2的第二突起具有圆环状的形状，并且所述第一换热板1的第一环状突起12的外径大致等于所述第二换热板2的第二环状突起22的外径。In some embodiments of the present invention, referring to FIGS. 11 and 12, the surface 2203 of the second annular protrusion 22 of the second heat exchange plate 2 facing the second side has a recess 2206, and the recess forms a communicating hole 95. Therefore, only the concave portion needs to be processed on one side of the second heat exchange plate 2, which is convenient for processing and has high precision. Alternatively, the surface 1203 of the first annular protrusion 12 of the first heat exchange plate 1 facing the first side has a recess, which forms a communicating hole 95, or the first annular protrusion of the first heat exchange plate 1 The surface 1203 of the protrusion 12 facing the first side has a recess, the surface 2203 of the second annular protrusion 22 of the second heat exchange plate 2 facing the second side has a recess 2206, and the surface of the first heat exchange plate 1 The concave portion of the surface 1203 facing the first side of the first annular protrusion 12 and the concave portion 2206 of the surface 2203 facing the second side of the second annular protrusion 22 of the second heat exchange plate 2 are aligned in the lamination direction to The communication holes 95 are formed or not aligned to form the communication holes 95 respectively. According to an example of the present invention, an insert with a hole may be placed in the recess to ensure the accuracy of the communication hole. For example, the first annular protrusion 12 of the first heat exchange plate 1 has an annular shape, the second protrusion of the second heat exchange plate 2 has an annular shape, and the first heat exchange plate The outer diameter of the first annular protrusion 12 of the plate 1 is approximately equal to the outer diameter of the second annular protrusion 22 of the second heat exchange plate 2.
根据本发明的实施例的构思可以应用于任何板式换热器，而不限于图中所示的换热器。即根据本发明的实施例的板式换热器的换热板的端口部分可以应用于任何板式换热器。The concept according to the embodiment of the present invention can be applied to any plate heat exchanger, and is not limited to the heat exchanger shown in the figure. That is, the port part of the heat exchange plate of the plate heat exchanger according to the embodiment of the present invention can be applied to any plate heat exchanger.
根据本发明的实施例的板式换热器例如可以简化板式换热器的制造工艺。板式换热器可以省去单独的分配器。此外，采用根据本发明的实施例的板式换热器可以降低成本。The plate heat exchanger according to the embodiment of the present invention can simplify the manufacturing process of the plate heat exchanger, for example. The plate heat exchanger can save a separate distributor. In addition, the use of the plate heat exchanger according to the embodiment of the present invention can reduce the cost.
根据本发明的实施例的板式换热器，通过冲压，在换热板上形成一体的分配器。According to the plate heat exchanger of the embodiment of the present invention, an integrated distributor is formed on the heat exchange plate by stamping.
需要说明的是，上述一个或多个实施例中的特征可以组合成新的实施例。一个实施例中的特征可以用于另外一个实施例，除非一个实施例中的特征与另外一个实施例的技术方案相冲突。It should be noted that the features in one or more of the above embodiments can be combined into a new embodiment. The features in one embodiment can be used in another embodiment, unless the features in one embodiment conflict with the technical solution of the other embodiment.

Claims (21)

  1. 一种板式换热器，包括：A plate heat exchanger, including:
    多个换热板，所述多个换热板在层叠方向上排列以形成多个换热空间，所述多个换热板包括多个第一换热板和多个第二换热板；以及A plurality of heat exchange plates, the plurality of heat exchange plates are arranged in a stacking direction to form a plurality of heat exchange spaces, the plurality of heat exchange plates include a plurality of first heat exchange plates and a plurality of second heat exchange plates; as well as
    形成在换热板中的端口，所述端口与所述多个换热空间中的预定换热空间连通，其中A port formed in the heat exchange plate, and the port communicates with a predetermined heat exchange space among the plurality of heat exchange spaces, wherein
    所述第一换热板包括：第一换热板主体；形成在第一换热板主体中的用于形成端口的第一开口；以及围绕第一开口、与第一开口邻接并从第一换热板主体朝向层叠方向上的第一侧凸起的第一环状突起；以及The first heat exchange plate includes: a first heat exchange plate main body; a first opening formed in the first heat exchange plate main body for forming a port; A first annular protrusion protruding from the main body of the heat exchange plate toward the first side in the stacking direction; and
    所述第二换热板包括：第二换热板主体；形成在第二换热板主体中的用于形成端口的第二开口；以及围绕第二开口、与第二开口邻接并从第二换热板主体朝向层叠方向上的与第一侧相反的第二侧凸起的第二环状突起。The second heat exchange plate includes: a second heat exchange plate main body; a second opening formed in the second heat exchange plate main body for forming a port; The heat exchange plate main body faces a second annular protrusion protruding toward a second side opposite to the first side in the stacking direction.
  2. 如权利要求1所述的板式换热器，还包括：The plate heat exchanger according to claim 1, further comprising:
    形成在第一换热板中的至少一些和/或第二换热板中的至少一些中的连通孔，所述端口通过所述连通孔与所述预定换热空间连通。A communication hole formed in at least some of the first heat exchange plate and/or at least some of the second heat exchange plate, and the port communicates with the predetermined heat exchange space through the communication hole.
  3. 如权利要求2所述的板式换热器，其中：The plate heat exchanger according to claim 2, wherein:
    所述第一换热板的所述第一环状突起包括：从第一换热板主体朝向第一侧延伸的环状的第一部分；以及从所述环状的第一部分向内延伸的环状的第二部分，所述第一环状突起的第二部分具有朝向第一侧的表面；The first annular protrusion of the first heat exchange plate includes: a ring-shaped first part extending from the first heat exchange plate body toward the first side; and a ring extending inward from the ring-shaped first part The second part of the first annular protrusion has a surface facing the first side;
    所述第二换热板的所述第二环状突起包括：从第二换热板主体朝向第二侧延伸的环状的第一部分；以及从所述第二换热板的所述第二环状突起的所述环状的第一部分向内延伸的环状的第二部分，所述第二环状突起的第二部分具有朝向第二侧的表面；以及The second annular protrusion of the second heat exchange plate includes: an annular first part extending from the second heat exchange plate body toward the second side; and the second annular protrusion from the second heat exchange plate A ring-shaped second part in which the ring-shaped first part of the ring-shaped protrusion extends inward, and the second part of the second ring-shaped protrusion has a surface facing the second side; and
    彼此相邻的所述第一环状突起的第二部分的表面与所述第二环状突起的第二部分的表面至少部分接触以在所述第一环状突起的第二部分的表面与所述第二环状突起的第二部分的表面的至少部分周向长度上形成密封。The surface of the second portion of the first ring-shaped protrusion and the surface of the second portion of the second ring-shaped protrusion that are adjacent to each other are at least partially in contact with each other on the surface of the second portion of the first ring-shaped protrusion At least part of the circumferential length of the surface of the second portion of the second annular protrusion forms a seal.
  4. 如权利要求3所述的板式换热器，其中：The plate heat exchanger according to claim 3, wherein:
    所述第一环状突起的第二部分与所述第二环状突起的第二部分在与层叠方向垂直的平面上的投影具有环状的内重叠部分，以及The projections of the second portion of the first annular protrusion and the second portion of the second annular protrusion on a plane perpendicular to the stacking direction have an annular inner overlapping portion, and
    所述连通孔在与层叠方向垂直的平面上的投影在环状的内重叠部分的外侧。The projection of the communication hole on a plane perpendicular to the stacking direction is outside the ring-shaped inner overlapping portion.
  5. 如权利要求4所述的板式换热器，其中：The plate heat exchanger according to claim 4, wherein:
    所述第一环状突起的第二部分在与层叠方向垂直的平面上的投影的至少一部分在所述第二环状突起的第二部分在与层叠方向垂直的平面上的投影的外侧。At least a part of the projection of the second portion of the first annular protrusion on a plane perpendicular to the stacking direction is outside of the projection of the second portion of the second annular protrusion on a plane perpendicular to the stacking direction.
  6. 如权利要求4所述的板式换热器，其中：The plate heat exchanger according to claim 4, wherein:
    所述第一换热板还包括围绕所述第一环状突起的环状部分，所述第一换热板的环状部分具有朝向第二侧的表面，所述第二换热板还包括围绕所述第二环状突起的环状部分，所述第二换热板的环状部分具有朝向第一侧的表面，并且彼此相邻的所述第一换热板的环状部分的表面与所述第二换热板的环状部分的表面至少部分接触以形成密封。The first heat exchange plate further includes an annular portion surrounding the first annular protrusion, the annular portion of the first heat exchange plate has a surface facing a second side, and the second heat exchange plate further includes Surrounding the annular portion of the second annular protrusion, the annular portion of the second heat exchange plate has a surface facing the first side, and the surfaces of the annular portion of the first heat exchange plate adjacent to each other At least partially contact with the surface of the annular portion of the second heat exchange plate to form a seal.
  7. 如权利要求6所述的板式换热器，其中：The plate heat exchanger according to claim 6, wherein:
    所述第一换热板的环状部分与所述第二换热板的环状部分在与层叠方向垂直的平面上的投影具有环状的外重叠部分，以及The projections of the ring-shaped portion of the first heat exchange plate and the ring-shaped portion of the second heat exchange plate on a plane perpendicular to the stacking direction have a ring-shaped outer overlapping portion, and
    所述连通孔在与层叠方向垂直的平面上的投影在环状的外重叠部分的内侧。The projection of the communication hole on a plane perpendicular to the stacking direction is inside the ring-shaped outer overlapping portion.
  8. 如权利要求6所述的板式换热器，其中：The plate heat exchanger according to claim 6, wherein:
    所述第二换热板的环状部分在与层叠方向垂直的平面上的投影的至少一部分在所述第一换热板的环状部分在与层叠方向垂直的平面上的投影的内侧。At least a part of the projection of the annular portion of the second heat exchange plate on a plane perpendicular to the stacking direction is inside the projection of the annular portion of the first heat exchange plate on a plane perpendicular to the stacking direction.
  9. 如权利要求6所述的板式换热器，其中：The plate heat exchanger according to claim 6, wherein:
    所述连通孔在所述第一换热板中的至少一些的所述第一环状突起的环状的第二部分中和/或所述连通孔在所述第二换热板中的至少一些的环状部分中。The communication hole is in the ring-shaped second portion of the first annular protrusion of at least some of the first heat exchange plates and/or the communication hole is in at least the second heat exchange plate Some of the ring parts.
  10. 如权利要求3或4所述的板式换热器，其中：The plate heat exchanger according to claim 3 or 4, wherein:
    所述第一换热板的第一环状突起具有圆环状的形状，所述第二换热板的第二环状突起具有圆环状的形状，以及所述第一换热板的所述第一环状突起的外径大于所述第二换热板的所述第二环状突起的外径。The first annular protrusion of the first heat exchange plate has an annular shape, the second annular protrusion of the second heat exchange plate has an annular shape, and all of the first heat exchange plate The outer diameter of the first annular protrusion is larger than the outer diameter of the second annular protrusion of the second heat exchange plate.
  11. 如权利要求6或7所述的板式换热器，其中：The plate heat exchanger according to claim 6 or 7, wherein:
    所述第一换热板的环状部分具有圆环状的形状，所述第二换热板的环状部分具有圆环状的形状，以及所述第二换热板的环状部分的内径小于所述第一换热板的环状部分的内径。The annular part of the first heat exchange plate has an annular shape, the annular part of the second heat exchange plate has an annular shape, and the inner diameter of the annular part of the second heat exchange plate Smaller than the inner diameter of the annular portion of the first heat exchange plate.
  12. 如权利要求11所述的板式换热器，其中：The plate heat exchanger according to claim 11, wherein:
    所述第一换热板的环状部分与所述第一换热板的所述第一环状突起的第一部分邻接，并且所述第二换热板的环状部分与所述第二换热板的所述第二环状突起的第一部分邻接。The annular part of the first heat exchange plate is adjacent to the first part of the first annular protrusion of the first heat exchange plate, and the annular part of the second heat exchange plate is in contact with the second heat exchange plate. The first part of the second annular protrusion of the hot plate abuts.
  13. 如权利要求4所述的板式换热器，其中：The plate heat exchanger according to claim 4, wherein:
    所述第一换热板的第一环状突起包括环状突起主体以及从所述环状突起主体向外延伸的连通突起，并且The first annular protrusion of the first heat exchange plate includes an annular protrusion main body and a communication protrusion extending outward from the annular protrusion main body, and
    所述第一环状突起的连通突起在与层叠方向垂直的平面上的投 影的至少一部分在所述第二环状突起的第二部分在与层叠方向垂直的平面上的投影的外侧，并且所述连通孔在与层叠方向垂直的平面上的投影在所述第一环状突起的连通突起的投影的所述至少一部分中。At least a part of the projection of the communication protrusion of the first annular protrusion on a plane perpendicular to the stacking direction is outside the projection of the second portion of the second annular protrusion on a plane perpendicular to the stacking direction, and The projection of the communication hole on a plane perpendicular to the stacking direction is in the at least a part of the projection of the communication protrusion of the first annular protrusion.
  14. 如权利要求13所述的板式换热器，其中：The plate heat exchanger according to claim 13, wherein:
    所述第一换热板的第一环状突起的环状突起主体具有圆环状的形状，所述第二换热板的第二环状突起具有圆环状的形状，以及所述第一换热板的第一环状突起的环状突起主体的外径大致等于所述第二换热板的第二环状突起的外径，并且The annular protrusion body of the first annular protrusion of the first heat exchange plate has an annular shape, the second annular protrusion of the second heat exchange plate has an annular shape, and the first The outer diameter of the annular protrusion body of the first annular protrusion of the heat exchange plate is approximately equal to the outer diameter of the second annular protrusion of the second heat exchange plate, and
    所述第一环状突起的连通突起在与层叠方向垂直的平面上的投影在所述第二环状突起的第二部分在与层叠方向垂直的平面上的投影的外侧，并且所述连通孔在与层叠方向垂直的平面上的投影在所述第一环状突起的连通突起的投影中。The projection of the communicating protrusion of the first annular protrusion on a plane perpendicular to the stacking direction is outside the projection of the second portion of the second annular protrusion on a plane perpendicular to the stacking direction, and the communicating hole The projection on a plane perpendicular to the stacking direction is in the projection of the communication protrusion of the first annular protrusion.
  15. 如权利要求13或14所述的板式换热器，其中：The plate heat exchanger according to claim 13 or 14, wherein:
    所述连通孔是多个连通孔，并且所述连通突起是多个间隔开的连通突起。The communication hole is a plurality of communication holes, and the communication protrusion is a plurality of spaced apart communication protrusions.
  16. 如权利要求2所述的板式换热器，其中：The plate heat exchanger according to claim 2, wherein:
    所述第二换热板的第二环状突起的朝向第二侧的表面具有第二凹部，该第二凹部形成连通孔。The surface of the second annular protrusion of the second heat exchange plate facing the second side has a second recess, and the second recess forms a communication hole.
  17. 如权利要求16所述的板式换热器，其中：The plate heat exchanger according to claim 16, wherein:
    所述第一换热板的第一环状突起具有圆环状的形状，所述第二换热板的第二突起具有圆环状的形状，并且所述第一换热板的第一环状突起的外径大致等于所述第二换热板的第二环状突起的外径。The first annular protrusion of the first heat exchange plate has an annular shape, the second protrusion of the second heat exchange plate has an annular shape, and the first ring of the first heat exchange plate The outer diameter of the shaped protrusion is approximately equal to the outer diameter of the second annular protrusion of the second heat exchange plate.
  18. 如权利要求1所述的板式换热器，其中：The plate heat exchanger according to claim 1, wherein:
    所述第一换热板的所述第一环状突起的环状的第一部分从第一换热板主体朝向第一侧倾斜延伸，并且所述第一换热板的所述第一环 状突起的环状的第二部分从所述第一换热板的所述第一环状突起的所述环状的第一部分向内与第一换热板主体大致平行地延伸；以及The first ring-shaped portion of the first ring-shaped protrusion of the first heat exchange plate extends obliquely from the main body of the first heat exchange plate toward the first side, and the first ring-shaped portion of the first heat exchange plate The annular second portion of the protrusion extends inward from the annular first portion of the first annular protrusion of the first heat exchange plate substantially parallel to the body of the first heat exchange plate; and
    所述第二换热板的所述第二环状突起的环状的第一部分从第二换热板主体朝向第二侧倾斜延伸，并且所述第二换热板的所述第二环状突起的环状的第二部分从所述第二换热板的所述第二环状突起的所述环状的第一部分向内与第二换热板主体大致平行地延伸。The ring-shaped first portion of the second ring-shaped protrusion of the second heat exchange plate extends obliquely from the second heat exchange plate body toward the second side, and the second ring-shaped portion of the second heat exchange plate The annular second portion of the protrusion extends inward from the annular first portion of the second annular protrusion of the second heat exchange plate substantially parallel to the second heat exchange plate main body.
  19. 如权利要求18所述的板式换热器，其中：The plate heat exchanger according to claim 18, wherein:
    所述第一换热板的所述第一环状突起的环状的第二部分与第一开口邻接，并且所述第二换热板的所述第二环状突起的环状的第二部分与第二开口邻接。The ring-shaped second part of the first ring-shaped protrusion of the first heat exchange plate is adjacent to the first opening, and the ring-shaped second part of the second ring-shaped protrusion of the second heat exchange plate The part is adjacent to the second opening.
  20. 如权利要求1所述的板式换热器，其中：The plate heat exchanger according to claim 1, wherein:
    多个第一换热板和多个第二换热板在层叠方向上交替排列。The plurality of first heat exchange plates and the plurality of second heat exchange plates are alternately arranged in the stacking direction.
  21. 如权利要求2所述的板式换热器，其中：The plate heat exchanger according to claim 2, wherein:
    连通孔形成在第一换热板和/或第二换热板中。The communication hole is formed in the first heat exchange plate and/or the second heat exchange plate.
PCT/CN2020/128673 2020-01-22 2020-11-13 Plate heat exchanger WO2021147479A1 (en)

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EP20915546.4A EP4095478A4 (en) 2020-01-22 2020-11-13 Plate heat exchanger
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CN202010073885.3A CN113154910A (en) 2020-01-22 2020-01-22 Plate heat exchanger

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CN113154910A (en) 2021-07-23
US20230062508A1 (en) 2023-03-02

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