WO2021088921A1 - 用于板式换热器的换热板和板式换热器 - Google Patents

用于板式换热器的换热板和板式换热器 Download PDF

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Publication number
WO2021088921A1
WO2021088921A1 PCT/CN2020/126738 CN2020126738W WO2021088921A1 WO 2021088921 A1 WO2021088921 A1 WO 2021088921A1 CN 2020126738 W CN2020126738 W CN 2020126738W WO 2021088921 A1 WO2021088921 A1 WO 2021088921A1
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WIPO (PCT)
Prior art keywords
heat exchange
plate
exchange plate
protrusion
flange
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Ceased
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PCT/CN2020/126738
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English (en)
French (fr)
Inventor
张志锋
安志璇
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Danfoss AS
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Danfoss AS
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Publication date
Application filed by Danfoss AS filed Critical Danfoss AS
Priority to US17/774,880 priority Critical patent/US20220390182A1/en
Priority to EP20885207.9A priority patent/EP4056941B1/en
Priority to MX2022005378A priority patent/MX2022005378A/es
Publication of WO2021088921A1 publication Critical patent/WO2021088921A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F28D9/0031—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
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
    • 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
    • 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
    • F28F3/10—Arrangements for sealing the margins
    • 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
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00—Reinforcing means
    • F28F2225/04—Reinforcing means for conduits

Definitions

  • the embodiment of the present invention relates to a heat exchange plate for a plate heat exchanger and a plate heat exchanger.
  • Plate heat exchangers include cover plates, heat exchange plates, connecting pipes, etc.
  • the purpose of the embodiments of the present invention is to provide a heat exchange plate for a plate heat exchanger and a plate heat exchanger having the heat exchange plate, thereby, for example, the quality of the heat exchange plate of the heat exchanger can be improved.
  • a heat exchange plate for a plate heat exchanger comprising: a heat exchange plate main body; and an annular flange protruding obliquely from the edge of the heat exchange plate main body, wherein the The flange has protrusions for reinforcement.
  • the flange has an inner side toward the center of the heat exchange plate and an outer side away from the center of the heat exchange plate, and the protrusion protrudes toward the inner or outer side of the annular flange.
  • the flange includes: a first annular belt adjacent to the heat exchange plate body; and a side of the first annular belt away from the heat exchange plate body and the first annular belt Adjacent to the second endless belt, at least a part of the second endless belt protrudes relative to the first endless belt to form a protrusion.
  • the entire second annular belt constitutes an annular protrusion; or the protrusions are a plurality of protrusions arranged at intervals along the second annular belt.
  • the flange includes: a first annular belt adjacent to the heat exchange plate main body; adjacent to the first annular belt on a side of the first annular belt away from the heat exchange plate main body The second endless belt; and the third endless belt adjacent to the second endless belt on the side of the second endless belt away from the first endless belt, the second endless belt and the At least a part of at least one of the third endless belts protrudes relative to the first endless belt to form a protrusion.
  • the second endless belt protrudes relative to the first endless belt to form an annular protrusion, and the third endless belt is flush with the first endless belt.
  • the flange has an inner side facing the center of the heat exchange plate and an outer side far away from the center of the heat exchange plate, and the second annular belt faces the annular all the way relative to the first annular belt.
  • the outer side of the flange protrudes
  • the third ring-shaped belt protrudes toward the outer side of the ring-shaped flange relative to the first ring-shaped belt to form a ring-shaped protrusion
  • the second ring-shaped belt opposes
  • the amount of protrusion on the first endless belt is smaller than the amount of protrusion on the third endless belt with respect to the first endless belt.
  • the flange includes a ring-shaped flange body, the flange body has a belt-like shape, the protrusion protrudes from the flange body, and the protrusion is along the entire ring The ring-shaped protrusion extending from the main body of the flange.
  • the protrusion is substantially parallel to the flange body.
  • the flange includes a ring-shaped flange body, the flange body has a belt-like shape, the protrusion protrudes from the flange body, and the protrusion is along the ring
  • the flange body has a plurality of protrusions arranged at intervals.
  • At least one of the plurality of protrusions has a linear shape or a striped shape.
  • the at least one of the plurality of protrusions crosses the ring-shaped flange body.
  • the at least one of the plurality of protrusions is substantially perpendicular to the ring-shaped flange body.
  • the at least one of the plurality of protrusions extends over the entire width of the belt-shaped flange main body.
  • the plurality of protrusions have a linear shape or a strip shape, and the first protrusion of the plurality of protrusions and the ring-shaped flange body are provided with the first protrusion
  • the parts of the protrusions are substantially parallel, and the second protrusion of the plurality of protrusions is substantially perpendicular to the part of the ring-shaped flange body where the second protrusion is provided.
  • the first protrusion and the second protrusion when viewed in a direction perpendicular to the main body of the heat exchange plate, extend substantially in the same direction.
  • the height of the protrusion is in the range of 0.05 mm to 0.5 mm.
  • the height of the protrusion is in the range of 0.05 mm to 0.2 mm.
  • a plate heat exchanger including: a plurality of heat exchange plates, at least one of the plurality of heat exchange plates is the aforementioned heat exchange plate.
  • the plurality of heat exchange plates include adjacent first heat exchange plates and second heat exchange plates, and the protrusions of the flanges of the first heat exchange plates face away from the second heat exchange plates
  • a protrusion on one side of the flange of the first heat exchange plate forms a gap between the protrusion of the flange of the first heat exchange plate and the flange of the second heat exchange plate.
  • the gap is filled with solder for welding the plate heat exchanger to The protrusion of the flange of the first heat exchange plate is welded to the flange of the second heat exchange plate.
  • the heat exchange plate and the plate heat exchanger according to the embodiments of the present invention can improve the quality of the heat exchange plate of the heat exchanger, for example.
  • Fig. 1 is a schematic perspective view of a heat exchange plate of a plate heat exchanger according to an embodiment of the present invention
  • FIG. 2 is a schematic partial enlarged cross-sectional view showing the convex cross-sectional structure of a heat exchange plate of a plate heat exchanger according to an embodiment of the present invention
  • FIG. 3 is a schematic partial enlarged cross-sectional view showing the convex cross-sectional structure of a heat exchange plate of a plate heat exchanger according to another embodiment of the present invention.
  • FIG. 4 is a schematic partial enlarged cross-sectional view showing a convex cross-sectional structure of a heat exchange plate of a plate heat exchanger according to another embodiment of the present invention.
  • Fig. 5 is a schematic partial enlarged cross-sectional view showing a raised cross-sectional structure of a heat exchange plate of a plate heat exchanger according to still another embodiment of the present invention
  • Fig. 6A is a schematic bottom view showing the arrangement of protrusions of a heat exchange plate of a plate heat exchanger according to an embodiment of the present invention
  • Fig. 6B is a schematic front view showing the arrangement of protrusions of a heat exchange plate of a plate heat exchanger according to an embodiment of the present invention
  • Fig. 6C is a schematic left view showing the arrangement of protrusions of the heat exchange plate of the plate heat exchanger according to an embodiment of the present invention.
  • Fig. 7A is a schematic bottom view showing the arrangement of protrusions of a heat exchange plate of a plate heat exchanger according to another embodiment of the present invention.
  • Fig. 7B is a schematic front view showing the arrangement of protrusions of a heat exchange plate of a plate heat exchanger according to another embodiment of the present invention.
  • Fig. 7C is a schematic left view showing the arrangement of protrusions of a heat exchange plate of a plate heat exchanger according to another embodiment of the present invention.
  • Fig. 8A is a schematic bottom view showing the arrangement of protrusions of a heat exchange plate of a plate heat exchanger according to still another embodiment of the present invention.
  • Fig. 8B is a schematic front view showing the arrangement of protrusions of a heat exchange plate of a plate heat exchanger according to still another embodiment of the present invention.
  • Fig. 8C is a schematic left view showing the arrangement of protrusions of a heat exchange plate of a plate heat exchanger according to another embodiment of the present invention.
  • Fig. 9A is a schematic bottom view showing the arrangement of protrusions of a heat exchange plate of a plate heat exchanger according to still another embodiment of the present invention.
  • 9B is a schematic front view showing the arrangement of protrusions of a heat exchange plate of a plate heat exchanger according to still another embodiment of the present invention.
  • Fig. 9C is a schematic left view showing the arrangement of protrusions of a heat exchange plate of a plate heat exchanger according to still another embodiment of the present invention.
  • a plate heat exchanger according to an embodiment of the present invention includes: a plurality of heat exchange plates 10; and heat exchange between adjacent heat exchange plates 10 formed in the plurality of heat exchange plates 10 space.
  • the plate heat exchanger also includes a cover plate and so on.
  • a heat exchange plate 10 for a plate heat exchanger includes: a heat exchange plate main body 11; and an annular flange protruding obliquely from the edge of the heat exchange plate main body 11 3.
  • the flange 3 has a protrusion 5 for reinforcement.
  • the flange 3 of the heat exchange plate 10 overlaps with the flange 3 of the adjacent heat exchange plate 10. Through the strengthening effect of the protrusion 5, the strength and rigidity of the flange 3 can be improved.
  • ring and ring refer to a shape that connects end to end to form a closed contour, and does not specifically refer to a circle.
  • the overall shape of the flange 3 depends on the shape of the heat exchange plate 10, such as a rectangular ring.
  • the following "ring belt” is the same.
  • the flange 3 has an inner side toward the center of the heat exchange plate 10 and an outer side away from the center of the heat exchange plate 10, and the protrusion 5 faces the annular The inner or outer side of the flange 3 protrudes.
  • the flange 3 includes: a first annular belt 31 adjacent to the heat exchange plate body 11; and the first annular belt 31 away from the heat exchange A second annular belt 32 adjacent to the first annular belt 31 on one side of the plate body 11, and at least a part of the second annular belt 32 protrudes relative to the first annular belt 31 to form a convex From 5.
  • the second endless belt 32 includes the protrusion 5.
  • the protrusion 5 is an annular protrusion 5 along the entire second annular belt 32, thereby forming a stepped structure.
  • the protrusions 5 are a plurality of protrusions 5 arranged at intervals along the second annular belt 32.
  • the flange 3 includes: a first annular belt 31 adjacent to the heat exchange plate body 11; on the first annular belt 31 away from the heat exchange plate body The second endless belt 32 adjacent to the first endless belt 31 on one side of the 11; and the second endless belt 32 on the side away from the first endless belt 31 of the second endless belt 32 Adjacent to the third endless belt 33, at least a part of at least one of the second endless belt 32 and the third endless belt 33 protrudes relative to the first endless belt 31 to form a protrusion 5 .
  • the second annular belt 32 protrudes relative to the first annular belt 31 to form an annular protrusion 5. In the example shown in FIG.
  • the flange 3 has an inner side toward the center of the heat exchange plate 10 and an outer side away from the center of the heat exchange plate 10.
  • the second annular belt 32 is opposite to the first ring
  • the belt 31 protrudes toward the outside of the annular flange 3
  • the third annular belt 33 protrudes toward the outside of the annular flange 3 relative to the first annular belt 31 to form an annular convex From 5, and the protrusion amount of the second endless belt 32 relative to the first endless belt 31 is smaller than the protrusion amount of the third endless belt 33 relative to the first endless belt 31, thereby
  • a plurality of steps are formed, for example, a plurality of steps in a ring shape. In the example shown in FIG.
  • the second annular belt 32 of the lower heat exchange plate 10 protrudes toward the outside of the flange 3 relative to the first annular belt, and the third annular belt 33 and the first annular belt 31 Roughly flush.
  • the second annular belt 32 of the two heat exchange plates 10 respectively protrudes toward the outside and the inside of the flange 3 relative to the first annular belt, and the third ring of the two heat exchange plates 10
  • the endless belts 33 are substantially flush with the first endless belt 31.
  • the flange 3 includes a ring-shaped flange body 30, the flange body 30 has a belt-like shape, the protrusion 5 from the convex
  • the rim main body 30 protrudes, and as shown in FIGS. 6A to 6C, the protrusion 5 is an annular protrusion 5 extending along the entire annular flange main body 30.
  • the protrusion 5 is substantially parallel to the flange body 30.
  • the flange 3 includes a ring-shaped flange body 30, the flange body 30 has a belt-like shape, the protrusion 5 from the convex The rim main body 30 protrudes, and as shown in FIGS. 7A to 9C, the protrusions 5 are a plurality of protrusions 5 arranged at intervals along the ring-shaped flange main body 30.
  • At least one of the plurality of protrusions 5 has a linear shape or a strip shape.
  • at least one of the plurality of protrusions 5 crosses the ring-shaped flange main body 30.
  • at least one of the plurality of protrusions 5 is substantially perpendicular to the ring-shaped flange main body 30.
  • at least one of the plurality of protrusions 5 extends over the entire width of the belt-shaped flange main body 30.
  • the plurality of protrusions 5 have a linear shape or a strip shape, and the first protrusion 5A of the plurality of protrusions 5 and the ring
  • the part of the flange body 30 that is provided with the first protrusion 5A is substantially parallel, and the second protrusion 5B of the plurality of protrusions 5 and the second protrusion 5B of the ring-shaped flange body 30 are provided.
  • the part is roughly vertical.
  • FIG. 8B when viewed in a direction perpendicular to the main body 11 of the heat exchange plate, the first protrusion 5A and the second protrusion 5B extend substantially in the same direction.
  • the height of the protrusion 5 is in the range of 0.05 mm to 0.5 mm, for example, the height of the protrusion 5 is in the range of 0.05 mm to 0.2 mm Inside. It should be noted that the protrusion 5 is drawn in an exaggerated manner in Figure 2-5, but as mentioned above, the protrusion 5 is actually very small and indented, so that on a larger scale, such as Figure 6A And 6C, it is difficult to see its thickness.
  • the plate heat exchanger according to the embodiment of the present invention includes a plurality of heat exchange plates 10, at least one of the plurality of heat exchange plates 10 is the aforementioned heat exchange plate 10.
  • the plurality of heat exchange plates 10 include adjacent first heat exchange plates 10 (for example, two of the two in Figure 2, Figure 3, Figure 4, and Figure 5).
  • the protrusion 5 of the flange 3 of the first heat exchange plate 10 protrudes toward the side away from the flange 3 of the second heat exchange plate 10, and is on the flange 3 of the first heat exchange plate 10
  • a gap 9 is formed between the protrusion 5 of the second heat exchange plate 10 and the flange 3 of the second heat exchange plate 10, and the gap 9 is filled with solder for welding the plate heat exchanger to connect the protrusion of the flange 3 of the first heat exchange plate 10
  • the ridge 5 is welded to the flange 3 of the second heat exchange plate 10.
  • the heat exchange plate can be prevented from warping, the brazing quality of the heat exchanger can be improved, and the assembly of the heat exchanger can be made easier.
  • the protrusion 5 in the flange 3 by providing the protrusion 5 in the flange 3, the influence on the heat exchange area of the heat exchange plate 10 can be avoided, thus preventing the influence on the heat exchange performance of the heat exchanger.
  • the elastic rebound of the heat exchange plate 10 after forming can be prevented, so that the structure of the heat exchange plate is more stable.
  • the protrusion 5 in the flange 3 it is easier to form the protrusion, thereby reducing the difficulty of manufacturing the heat exchanger.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

本发明的实施例公开了一种用于板式换热器的换热板和一种具有该换热板的板式换热器。该换热板包括：换热板主体；以及从换热板主体的边缘倾斜伸出的环形的凸缘。所述凸缘具有起加强作用的凸起。据本发明的实施例的换热板和板式换热器例如可以提高换热器的换热板的质量。

Description

用于板式换热器的换热板和板式换热器 技术领域
本发明的实施例涉及一种用于板式换热器的换热板和一种板式换热器。
背景技术
板式换热器包括盖板、换热板、连接管等。
发明内容
本发明的实施例的目的是提供一种用于板式换热器的换热板和一种具有该换热板的板式换热器，由此例如可以提高换热器的换热板的质量。
根据本发明的实施例，提供了一种用于板式换热器的换热板，包括：换热板主体；以及从换热板主体的边缘倾斜伸出的环形的凸缘，其中，所述凸缘具有起加强作用的凸起。
根据本发明的实施例，所述凸缘具有朝向换热板的中心的内侧和远离换热板的中心的外侧，所述凸起朝向环形的所述凸缘的内侧或外侧突起。
根据本发明的实施例，所述凸缘包括：与换热板主体邻接的第一环状带；以及在第一环状带的远离换热板主体的一侧与所述第一环状带邻接的第二环状带，所述第二环状带的至少一部分相对于所述第一环状带突起，以构成凸起。
根据本发明的实施例，整个所述第二环状带构成环形的凸起；或者所述凸起是沿所述第二环状带间隔排列的多个凸起。
根据本发明的实施例，所述凸缘包括：与换热板主体邻接的第一环状带；在第一环状带的远离换热板主体的一侧与所述第一环状带邻接的第二环状带；以及在第二环状带的远离第一环状带的一侧与所述第二环状带邻接的第三环状带，所述第二环状带和所述第三环状带中的至少一个的至少一部分相对于所述第一环状带突起，以构成凸 起。
根据本发明的实施例，所述第二环状带相对于所述第一环状带突起，以构成环形的凸起，并且第三环状带与第一环状带齐平。
根据本发明的实施例，所述凸缘具有朝向换热板的中心的内侧和远离换热板的中心的外侧，所述第二环状带相对于所述第一环状带朝向环形的所述凸缘的外侧突起，所述第三环状带相对于所述第一环状带朝向环形的所述凸缘的外侧突起，以构成环形的凸起，以及所述第二环状带相对于所述第一环状带的突起量小于所述第三环状带相对于所述第一环状带的突起量。
根据本发明的实施例，所述凸缘包括环状的凸缘主体，所述凸缘主体具有带状形状，所述凸起从所述凸缘主体突出，并且所述凸起是沿整个环状的凸缘主体延伸的环形凸起。
根据本发明的实施例，所述凸起与凸缘主体大致平行。
根据本发明的实施例，所述凸缘包括环状的凸缘主体，所述凸缘主体具有带状形状，所述凸起从所述凸缘主体突出，并且所述凸起是沿环状的凸缘主体间隔排列的多个凸起。
根据本发明的实施例，多个凸起中的至少一个具有直线状的形状或条状的形状。
根据本发明的实施例，多个凸起中的所述至少一个与环状的凸缘主体交叉。
根据本发明的实施例，多个凸起中的所述至少一个与环状的凸缘主体大致垂直。
根据本发明的实施例，多个凸起中的所述至少一个在带状形状的凸缘主体的整个宽度上延伸。
根据本发明的实施例，所述多个凸起具有直线状的形状或条状的形状，所述多个凸起中的第一凸起与环状的凸缘主体的设置该第一凸起的部分大致平行，并且所述多个凸起中的第二凸起与环状的凸缘主体的设置该第二凸起的部分大致垂直。
根据本发明的实施例，沿垂直于换热板主体的方向观察时，所述第一凸起与所述第二凸起大致沿同一方向延伸。
根据本发明的实施例，所述凸起的高度在0.05毫米至0.5毫米的范围内。
根据本发明的实施例，所述凸起的高度在0.05毫米至0.2毫米的范围内。
根据本发明的实施例，还提供了一种板式换热器，包括：多个换热板，所述多个换热板中的至少一个是上述的换热板。
根据本发明的实施例，所述多个换热板包括相邻的第一换热板和第二换热板，所述第一换热板的凸缘的凸起朝向远离第二换热板的凸缘的一侧突起，在所述第一换热板的凸缘的凸起与第二换热板的凸缘之间形成间隙，该间隙填充有焊接板式换热器的焊料，以将所述第一换热板的凸缘的凸起与第二换热板的凸缘焊接在一起。
据本发明的实施例的换热板和板式换热器例如可以提高换热器的换热板的质量。
附图说明
图1为根据本发明的实施例的板式换热器的换热板的示意立体图；
图2为示出根据本发明的一个实施例的板式换热器的换热板的凸起的横截面结构的示意局部放大断面图；
图3为示出根据本发明的另一个实施例的板式换热器的换热板的凸起的横截面结构的示意局部放大断面图；
图4为示出根据本发明的又一个实施例的板式换热器的换热板的凸起的横截面结构的示意局部放大断面图；
图5为示出根据本发明的再一个实施例的板式换热器的换热板的凸起的横截面结构的示意局部放大断面图；
图6A为示出根据本发明的一个实施例的板式换热器的换热板的凸起的布置的示意仰视图；
图6B为示出根据本发明的一个实施例的板式换热器的换热板的凸起的布置的示意主视图；
图6C为示出根据本发明的一个实施例的板式换热器的换热板的 凸起的布置的示意左视图；
图7A为示出根据本发明的另一个实施例的板式换热器的换热板的凸起的布置的示意仰视图；
图7B为示出根据本发明的另一个实施例的板式换热器的换热板的凸起的布置的示意主视图；
图7C为示出根据本发明的另一个实施例的板式换热器的换热板的凸起的布置的示意左视图；
图8A为示出根据本发明的又一个实施例的板式换热器的换热板的凸起的布置的示意仰视图；
图8B为示出根据本发明的又一个实施例的板式换热器的换热板的凸起的布置的示意主视图；
图8C为示出根据本发明的又一个实施例的板式换热器的换热板的凸起的布置的示意左视图；
图9A为示出根据本发明的再一个实施例的板式换热器的换热板的凸起的布置的示意仰视图；
图9B为示出根据本发明的再一个实施例的板式换热器的换热板的凸起的布置的示意主视图；以及
图9C为示出根据本发明的再一个实施例的板式换热器的换热板的凸起的布置的示意左视图。
具体实施方式
下面结合附图及具体实施方式对本发明做进一步说明。
参见图1至9C，根据本发明的实施例的板式换热器包括：多个换热板10；以及形成在所述多个换热板10中的相邻换热板10之间的换热空间。板式换热器还包括盖板等。
参见图1至图9C，根据本发明的实施例的用于板式换热器的换热板10包括：换热板主体11；以及从换热板主体11的边缘倾斜伸出的环形的凸缘3，所述凸缘3具有起加强作用的凸起5。该换热板10的所述凸缘3与相邻换热板10的凸缘3相搭接。通过凸起5的加强作用，可以提高凸缘3的强度和刚度。
本专利中所提到的“环形”、“环状”指的是首尾相接从而形成封闭轮廓的形状，而并非专指圆形。例如，沿垂直于换热板的方向观察，凸缘3的整体形状取决于换热板10的形状，例如为矩形环。以下的“环状带”同理。
参见图1至图9C，在本发明的一些实施例中，所述凸缘3具有朝向换热板10的中心的内侧和远离换热板10的中心的外侧，所述凸起5朝向环形的所述凸缘3的内侧或外侧突起。
参见图1至图9C，在本发明的一些实施例中，所述凸缘3包括：与换热板主体11邻接的第一环状带31；以及在第一环状带31的远离换热板主体11的一侧与所述第一环状带31邻接的第二环状带32，所述第二环状带32的至少一部分相对于所述第一环状带31突起，以构成凸起5。
参见图4至图5、图6A至图6C、图9A至图9C，在本发明的一些实施例中，所述第二环状带32包括所述凸起5。参见图6A至图6C，根据本发明的一些示例，所述凸起5是沿整个所述第二环状带32的环形的凸起5，由此，形成台阶结构。在这种情况下，当多个换热板10焊接到一起时，相邻换热板10的第一环状带31之间相接触，且相邻换热板10的第二环状带32之间相接触。或者参见图9A至图9C，根据本发明的另一些示例，所述凸起5是沿所述第二环状带32间隔排列的多个凸起5。
参见图3-5，在本发明的一些实施例中，所述凸缘3包括：与换热板主体11邻接的第一环状带31；在第一环状带31的远离换热板主体11的一侧与所述第一环状带31邻接的第二环状带32；以及在第二环状带32的远离第一环状带31的一侧与所述第二环状带32邻接的第三环状带33，所述第二环状带32和所述第三环状带33中的至少一个的至少一部分相对于所述第一环状带31突起，以构成凸起5。根据本发明的一些示例，所述第二环状带32相对于所述第一环状带31突起，以构成环形的凸起5。在图3所示的示例中，所述凸缘3具有朝向换热板10的中心的内侧和远离换热板10的中心的外侧，所述第二环状带32相对于所述第一环状带31朝向环形的所述凸缘3的 外侧突起，所述第三环状带33相对于所述第一环状带31朝向环形的所述凸缘3的外侧突起，以构成环形的凸起5，以及所述第二环状带32相对于所述第一环状带31的突起量小于所述第三环状带33相对于所述第一环状带31的突起量，由此形成多个台阶，例如环形的多个台阶。在图4所示的示例中，下侧换热板10的第二环状带32相对于第一环状带朝向凸缘3的外侧突起，第三环状带33与第一环状带31大致齐平。在图5所示的示例中，两个换热板10的第二环状带32相对于第一环状带分别朝向凸缘3的外侧和内侧突起，而两个换热板10的第三环状带33均与第一环状带31大致齐平。
参见图4至图9C，在本发明的一些实施例中，所述凸缘3包括环状的凸缘主体30，所述凸缘主体30具有带状形状，所述凸起5从所述凸缘主体30突出，并且如图6A至图6C所示，所述凸起5是沿整个环状的凸缘主体30延伸的环形凸起5。根据本发明的一些示例，所述凸起5与凸缘主体30大致平行。
参见图4至图9C，在本发明的一些实施例中，所述凸缘3包括环状的凸缘主体30，所述凸缘主体30具有带状形状，所述凸起5从所述凸缘主体30突出，并且如图7A至图9C所示，所述凸起5是沿环状的凸缘主体30间隔排列的多个凸起5。
参见图6A至图9C，在本发明的一些实施例中，多个凸起5中的至少一个具有直线状的形状或条状的形状。在图7A至图8C所示的示例中，多个凸起5中的至少一个与环状的凸缘主体30交叉。例如，多个凸起5中的至少一个与环状的凸缘主体30大致垂直。根据本发明的一些示例，多个凸起5中的至少一个在带状形状的凸缘主体30的整个宽度上延伸。
参见图8A至图8C，在本发明的一些实施例中，所述多个凸起5具有直线状的形状或条状的形状，所述多个凸起5中的第一凸起5A与环状的凸缘主体30的设置该第一凸起5A的部分大致平行，并且所述多个凸起5中的第二凸起5B与环状的凸缘主体30的设置该第二凸起5B的部分大致垂直。例如，参见图8B，沿垂直于换热板主体11的方向观察时，所述第一凸起5A与所述第二凸起5B大致沿同一 方向延伸。
参见图1至图9C，在本发明的一些实施例中，所述凸起5的高度在0.05毫米至0.5毫米的范围内，例如，所述凸起5的高度在0.05毫米至0.2毫米的范围内。需要注意的是，图2-5中以夸张的方式绘出了凸起5，但如上所述，凸起5实际上非常小，呈压痕状，以至于在较大尺度上，例如图6A和6C中，很难看到它的厚度。
参见图1至图9C，根据本发明的实施例中板式换热器包括：多个换热板10，所述多个换热板10中的至少一个是上述的换热板10。
参见图2至图5，根据本发明的实施例，所述多个换热板10包括相邻的第一换热板10(例如，图2、图3、图4、图5中的两个换热板10中的上侧的换热板10)和第二换热板10(例如，图2、图3、图4、图5中的两个换热板10中的下侧的换热板10)，所述第一换热板10的凸缘3的凸起5朝向远离第二换热板10的凸缘3的一侧突起，在所述第一换热板10的凸缘3的凸起5与第二换热板10的凸缘3之间形成间隙9，该间隙9填充有焊接板式换热器的焊料，以将所述第一换热板10的凸缘3的凸起5与第二换热板10的凸缘3焊接在一起。由此，例如，可以进一步提高凸起5对凸缘3的加强效果。
据本发明的实施例，通过在凸缘3中设置凸起5，可以防止换热板翘曲，改进换热器的钎焊质量，并且使换热器的组装更容易。
据本发明的实施例，通过在凸缘3中设置凸起5，可以避免对换热板10的换热区域的影响，因此防止了对换热器的换热性能的影响。
据本发明的实施例，通过在凸缘3中设置凸起5，可以防止对换热板10成型后的弹性回弹，使换热板的结构更加稳定。
据本发明的实施例，通过在凸缘3中设置凸起5，更容易形成凸起，由此降低了换热器的制造难度。
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。

Claims (20)

  1. 一种用于板式换热器的换热板，包括：
    换热板主体；以及
    从换热板主体的边缘倾斜伸出的环形的凸缘，其中，所述凸缘具有起加强作用的凸起。
  2. 如权利要求1所述的用于板式换热器的换热板，其中：
    所述凸缘具有朝向换热板的中心的内侧和远离换热板的中心的外侧，所述凸起朝向环形的所述凸缘的内侧或外侧突起。
  3. 如权利要求1所述的用于板式换热器的换热板，其中：
    所述凸缘包括：与换热板主体邻接的第一环状带；以及在第一环状带的远离换热板主体的一侧与所述第一环状带邻接的第二环状带，所述第二环状带的至少一部分相对于所述第一环状带突起，以构成凸起。
  4. 如权利要求3所述的用于板式换热器的换热板，其中：
    整个所述第二环状带构成环形的凸起；或者
    所述凸起是沿所述第二环状带间隔排列的多个凸起。
  5. 如权利要求1所述的用于板式换热器的换热板，其中：
    所述凸缘包括：与换热板主体邻接的第一环状带；在第一环状带的远离换热板主体的一侧与所述第一环状带邻接的第二环状带；以及在第二环状带的远离第一环状带的一侧与所述第二环状带邻接的第三环状带，所述第二环状带和所述第三环状带中的至少一个的至少一部分相对于所述第一环状带突起，以构成凸起。
  6. 如权利要求5所述的用于板式换热器的换热板，其中：
    所述第二环状带相对于所述第一环状带突起，以构成环形的凸 起，并且第三环状带与第一环状带齐平。
  7. 如权利要求5所述的用于板式换热器的换热板，其中：
    所述凸缘具有朝向换热板的中心的内侧和远离换热板的中心的外侧，
    所述第二环状带相对于所述第一环状带朝向环形的所述凸缘的外侧突起，
    所述第三环状带相对于所述第一环状带朝向环形的所述凸缘的外侧突起，以构成环形的凸起，以及
    所述第二环状带相对于所述第一环状带的突起量小于所述第三环状带相对于所述第一环状带的突起量。
  8. 如权利要求1或2所述的用于板式换热器的换热板，其中：
    所述凸缘包括环状的凸缘主体，所述凸缘主体具有带状形状，所述凸起从所述凸缘主体突出，并且所述凸起是沿整个环状的凸缘主体延伸的环形凸起。
  9. 如权利要求8所述的用于板式换热器的换热板，其中：
    所述凸起与凸缘主体大致平行。
  10. 如权利要求1或2所述的用于板式换热器的换热板，其中：
    所述凸缘包括环状的凸缘主体，所述凸缘主体具有带状形状，所述凸起从所述凸缘主体突出，并且所述凸起是沿环状的凸缘主体间隔排列的多个凸起。
  11. 如权利要求10所述的用于板式换热器的换热板，其中：
    多个凸起中的至少一个具有直线状的形状或条状的形状。
  12. 如权利要求11所述的用于板式换热器的换热板，其中：
    多个凸起中的所述至少一个与环状的凸缘主体交叉。
  13. 如权利要求11所述的用于板式换热器的换热板，其中：
    多个凸起中的所述至少一个与环状的凸缘主体大致垂直。
  14. 如权利要求12或13所述的用于板式换热器的换热板，其中：
    多个凸起中的所述至少一个在带状形状的凸缘主体的整个宽度上延伸。
  15. 如权利要求10所述的用于板式换热器的换热板，其中：
    所述多个凸起具有直线状的形状或条状的形状，所述多个凸起中的第一凸起与环状的凸缘主体的设置该第一凸起的部分大致平行，并且所述多个凸起中的第二凸起与环状的凸缘主体的设置该第二凸起的部分大致垂直。
  16. 如权利要求15所述的用于板式换热器的换热板，其中：
    沿垂直于换热板主体的方向观察时，所述第一凸起与所述第二凸起大致沿同一方向延伸。
  17. 如权利要求1所述的用于板式换热器的换热板，其中：
    所述凸起的高度在0.05毫米至0.5毫米的范围内。
  18. 如权利要求1所述的用于板式换热器的换热板，其中：
    所述凸起的高度在0.05毫米至0.2毫米的范围内。
  19. 一种板式换热器，包括：
    多个换热板，所述多个换热板中的至少一个是权利要求1至18中的任意一项所述的换热板。
  20. 如权利要求19所述的板式换热器，其中：
    所述多个换热板包括相邻的第一换热板和第二换热板，所述第一换热板的凸缘的凸起朝向远离第二换热板的凸缘的一侧突起，在所述第一换热板的凸缘的凸起与第二换热板的凸缘之间形成间隙，该间隙填充有焊接板式换热器的焊料，以将所述第一换热板的凸缘的凸起与第二换热板的凸缘焊接在一起。
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US20220390182A1 (en) 2022-12-08
CN112781426A (zh) 2021-05-11
EP4056941B1 (en) 2024-10-16

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