WO2020258886A1 - 板片、板片组件及热交换器 - Google Patents

板片、板片组件及热交换器 Download PDF

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Publication number
WO2020258886A1
WO2020258886A1 PCT/CN2020/074789 CN2020074789W WO2020258886A1 WO 2020258886 A1 WO2020258886 A1 WO 2020258886A1 CN 2020074789 W CN2020074789 W CN 2020074789W WO 2020258886 A1 WO2020258886 A1 WO 2020258886A1
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WO
WIPO (PCT)
Prior art keywords
plate
fluid
flow channel
channel
heat exchanger
Prior art date
Application number
PCT/CN2020/074789
Other languages
English (en)
French (fr)
Inventor
陈一中
单聪聪
陈飞飞
陈丹
谢建
刘浩
丁天毅
Original Assignee
浙江银轮机械股份有限公司
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 浙江银轮机械股份有限公司 filed Critical 浙江银轮机械股份有限公司
Priority to US17/623,217 priority Critical patent/US20220364793A1/en
Publication of WO2020258886A1 publication Critical patent/WO2020258886A1/zh

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    • 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
    • F28D9/0043—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
    • F28F3/046—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 linear, e.g. corrugations
    • 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
    • F28F9/0251—Massive connectors, e.g. blocks; Plate-like connectors
    • F28F9/0253—Massive connectors, e.g. blocks; Plate-like connectors with multiple channels, e.g. with combined inflow and outflow channels
    • 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
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0265—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/04—Arrangements for sealing elements into header boxes or end plates
    • F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
    • F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
    • 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
    • F28F9/24—Arrangements for promoting turbulent flow of heat-exchange media, e.g. by plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/06—Fastening; Joining by welding

Definitions

  • the present disclosure relates to the technical field of heat exchange devices, in particular to a plate, a plate assembly and a heat exchanger.
  • the heat exchanger includes a submerged tube and a plurality of stacked sheets, the plurality of stacked sheets are stacked on each other, a first fluid channel and a second fluid channel are formed between the stacked sheets, and the stacked sheets are provided with a plurality of first through holes, and a plurality of first through holes.
  • a through hole can be formed as a channel communicating with the first fluid inlet to introduce the first fluid.
  • the submersible tube is inserted in the channel and extends into the bottom of the channel, so that the first fluid enters the first fluid from the bottom of the channel.
  • a steering device is provided in the fluid channel to cause the first fluid to meander through the multiple first fluid channels of the heat exchanger, and finally to be discharged from the first fluid outlet.
  • the problem is that the submersible tube inserted in the channel must not only be welded to the stacking sheet, but also welded to the steering device.
  • the melting of the solder during the brazing process will easily cause each layer of stacked sheet to slide in the stacking direction, affecting the assembly of the submersible tube Position, or affect the assembly accuracy of the submersible tube, such as verticality, which makes it difficult to guarantee the welding quality (circular welding), and the product qualification rate is low.
  • the purpose of the present disclosure includes, for example, providing a plate, a plate assembly and a heat exchanger to solve the above technical problems.
  • the embodiments of the present disclosure may be implemented in the following manner, for example.
  • the embodiments of the present disclosure provide a plate, which may include a plate body and a first through hole and a second through hole provided on the plate body, and the plate body may be positioned around the first through hole.
  • a pipe section is formed; the second through hole may be arranged close to the outer circumference of the pipe section.
  • the pipe section may be formed by flanging the edge of the first through hole.
  • the flanging may be a one-time flanging structure, and the flanging may be perpendicular to the plane of the plate body.
  • the flanging may be a secondary flanging structure, and the flanging at the end may be parallel to the plane of the plate body.
  • the pipe section may protrude upward or downward.
  • multiple second through holes there may be multiple second through holes, and multiple second through holes may be provided around the pipe section.
  • the ratio of the flow area of the first through hole to the flow area of the second through hole may not be greater than 1:1.
  • the embodiments of the present disclosure provide a plate assembly, which may include two plates provided in the embodiments of the present disclosure, the two plates can be stacked, and the two plates The pipe sections can protrude towards each other and achieve surface contact connection.
  • An embodiment of the present disclosure provides a heat exchanger, which may include a plurality of plate and fin assemblies provided in the embodiments of the present disclosure: a plurality of plate and fin assemblies can be stacked; and the pipe sections in the plurality of plate and fin assemblies can be They are connected in sequence to form a first flow channel; the second through holes in a plurality of plate assemblies may be connected to form a second flow channel.
  • the heat exchanger may further include a first fluid inlet and a first fluid outlet; the first flow channel may be connected to the first fluid inlet, or the first flow channel may be connected to the first fluid outlet .
  • first flow channel and the second flow channel may be separated from each other in a direction perpendicular to the stacking direction of the plate assembly.
  • the heat exchanger may further include a plurality of bottom plates, the plurality of bottom plates may be stacked and arranged under the plurality of plate assemblies, and the bottom plate may be provided with a third through hole
  • the third through holes of the plurality of bottom plates may communicate to form a third flow channel, and the third flow channel may communicate with the first flow channel.
  • a fourth through hole may be further provided on the bottom plate, and the fourth through holes of the plurality of bottom plates may communicate to form a fourth flow channel.
  • a steering member may be provided in the fourth flow channel to divide the fourth flow channel into a fifth flow channel and a sixth flow channel in the stacking direction of the plate assembly.
  • the flow channel may be located above the sixth flow channel.
  • each of the plate assemblies forms a first fluid channel
  • each pair of the bottom plates forms a first fluid channel
  • the plurality of first fluid channels are divided into first fluid channels from bottom to top.
  • the first passage section may be between the third flow passage and the lower part of the sixth flow passage
  • the second passage section may be between the lower part of the second flow passage and the first passage.
  • the third channel section may be between the upper part of the second flow channel and the fifth flow channel.
  • the number of the first fluid channels of the first channel section, the number of the first fluid channels of the second channel section, and the number of the first fluid channels of the third channel section At least two of the quantities may be the same.
  • the number of the first fluid channels of the first channel section, the number of the first fluid channels of the second channel section, and the number of the first fluid channels of the third channel section can be increased sequentially.
  • a second fluid channel is formed between adjacent plate assemblies, and a second fluid channel is formed between two adjacent pairs of bottom plates.
  • the plurality of first fluid channels and the plurality of second fluid channels may be alternately arranged.
  • the plate provided by the embodiment of the present disclosure may include a plate body and a first through hole and a second through hole provided on the plate body.
  • the plate body may form a pipe section around the first through hole; the second through hole It can be set close to the outer circumference of the pipe section.
  • multiple plates can be stacked and connected in sequence.
  • two adjacent pipes can be connected.
  • the sections are connected such as welding, a plurality of pipe sections are connected to each other to form an integral first flow channel, the second through holes communicate with each other to form a second flow channel, and the first flow channel and the second flow channel are in the stacking direction of the plates Separate each other in the vertical direction.
  • the plates provided by the present disclosure can be connected to form the first flow channel without requiring the pipe section to maintain a high verticality or assembly accuracy at all times during the welding process.
  • Fig. 1 is a schematic diagram of the structure of a plate according to an embodiment of the present disclosure
  • Fig. 2 is a schematic structural diagram of a pipe section in the plate shown in Fig. 1;
  • Fig. 3 is a schematic structural diagram of another pipe segment in the plate shown in Fig. 1;
  • Fig. 4 is a schematic structural diagram of a plate assembly according to an embodiment of the present disclosure.
  • Fig. 5 is a structural schematic diagram of a heat exchanger on the first fluid side according to an embodiment of the present disclosure
  • Fig. 6 is a schematic structural view of the bottom plate of the heat exchanger shown in Fig. 5;
  • Fig. 7 is a schematic structural view of the plates in the plate assembly provided with a cover plate of the heat exchanger shown in Fig. 5;
  • FIG. 8 is a schematic diagram of the structure of the plates in the plate assembly provided with the steering member of the heat exchanger shown in FIG. 5;
  • Fig. 9 is a schematic diagram of a flow of the first fluid in the heat exchanger provided by the embodiment of the present disclosure.
  • Fig. 10 is a schematic structural diagram of a heat exchanger on the second fluid side according to an embodiment of the present disclosure
  • Fig. 11 is a schematic structural diagram of a heat exchanger and a thermal expansion valve used in combination according to an embodiment of the present disclosure.
  • a plate 1 provided by the present disclosure may include a plate body 01 and a first through hole 02 and a second through hole 03 provided on the plate body 01.
  • the plate body 01 may The first through hole 02 and the second through hole 03 may be located at a corner of the plate body 01, and the plate body 01 may form a pipe section 04 around the first through hole 02, that is, the pipe section is arranged On the first through hole 02, the second through hole 03 may be arranged close to the outer circumference of the pipe section 04.
  • the arrangement of the first through hole 02, the second through hole 03 and the pipe section 04 will be described in detail below.
  • multiple plates 1 can be stacked and connected in sequence.
  • two adjacent ones can be Two pipe sections 04 are connected such as welding, multiple pipe sections 04 can be connected to each other to form an integral first flow channel 3, multiple second through holes 03 can communicate with each other to form a second flow channel 4, and the first flow channel 3 It may be separated from the second flow channel 4 in a direction perpendicular to the stacking direction of the plates 1.
  • the plates 1 provided in this embodiment can be connected to each other to form the first flow channel without maintaining a high verticality of the pipe section at all times during the welding process.
  • the cross-sectional shape of the first through hole 02 and the pipe section 04 may be multiple, for example: triangle, quadrilateral, ellipse, circle or special shape.
  • the structure of the second through hole 03 may be in various forms, for example, triangular, circular, rectangular or waist-shaped.
  • the second through hole 03 may be arranged in a fan shape, and the fan shape may be arranged with the center of the first through hole 02 as the center, which can make the structure of the plate 1 compact.
  • the number of the second through holes 03 may be one.
  • the number of the second through holes 03 may be two, three, or four, etc., and multiple second through holes 03 may be surrounded by the first through holes 03.
  • a plurality of second through holes 03 are arranged around the hole 02 to allow the first fluid to flow at multiple locations, so that the flow of the first fluid is uniform, avoiding congestion at one location, and facilitating the circulation of the first fluid.
  • a plurality of second through holes 03 can be evenly distributed around the first through holes 02, which can make the flow of the first fluid uniform.
  • the ratio of the flow area of the first through hole 02 to the flow area of the second through hole 03 may not be greater than 1:1, for example: the flow area of the first through hole 02 and the flow area of the second through hole 03
  • the area ratio can be 1:1, 1:2, 1:3, 1:4, etc.
  • the first fluid being a mixed fluid of liquid and gas
  • the flow rate of the first fluid increases, and the flow of the second through hole 03 If the total area is too small, the direction of the first fluid and the heat exchange will be affected.
  • the pipe section 04 and the plate body 01 can be connected in multiple ways.
  • the pipe section 04 and the plate 1 can be connected by welding or gluing before the heat exchanger is processed and manufactured.
  • the pipe section 04 is connected to the edge of the first through hole 02.
  • the pipe section 04 can be integrally formed with the plate body 01, for example, by casting, to avoid secondary processing and reliable connection.
  • the pipe section 04 can be formed by flanging the edge of the first through hole 02.
  • the flanging can be formed by stamping or stretching. The production process is simple and the processing is convenient.
  • the flanging can be a one-time flanging structure, and the flanging can be perpendicular to the plane of the plate body 01.
  • the flanging can be perpendicular to the plane of the plate body 01, so when the two pipe sections 04 are welded, the side walls of the two flangings can be abutted against each other.
  • welding is formed between them, so that the welding area is large, which is convenient for welding, and the side wall of the first flow channel 3 formed by the pipe section 04 of this structure can be substantially flat, so as to avoid the protrusion of the side wall and block the first fluid Of the flow.
  • the flanging can be a secondary flanging structure, and the flanging at the end can be parallel to the plane of the plate body 01.
  • the flanges of the two ends can be abutted, and the flanges of the two ends can be welded, which is more convenient for welding and more convenient for operation.
  • the plate body 01 can be arranged in a U shape, the open end can be the upper end, and the pipe section 04 can protrude upward and downward, that is, the pipe section 04 protrudes from the plate. Top and bottom of slice 1.
  • the pipe section 04 may also only protrude downward or the pipe section 04 may also only protrude upward.
  • a plate assembly provided by the present disclosure may include two plates 1 provided by the present disclosure, the two plates 1 can be stacked, and the pipe sections 04 in the two plates 1 can face each other Protruding and realizing surface contact connection.
  • two plates 1 can be arranged in pairs, and the pipe sections 04 in the two plates 1 can protrude toward each other, that is, the pipe sections 04 of one plate 1 can protrude upward, then The pipe section 04 of the other plate 1 may protrude downward.
  • the two pipe sections 04 can be connected in surface contact. In this way, it is possible to prevent a sheet 1 from being too thin and damaged due to excessive stretching, which is beneficial to the processing and manufacturing of the sheet 1.
  • the structure of the pipe section 04 may be different, and the form of the surface contact connection formed by the two is also different.
  • the pipe section 04 may have multiple structures formed by folding the edge of the first through hole 02.
  • the flanging can be a one-time flanging structure, and the flanging can be perpendicular to the plane of the plate body 01.
  • the flange can be perpendicular to the plane of the plate body 01.
  • Welding can be formed between the two flanges, so that the welding area is large, which is convenient for welding, and the side wall of the first runner 3 formed by the pipe section 04 of this structure can be substantially flat to avoid the side wall from bulging Part and block the flow of the first fluid.
  • the flanging can be a secondary flanging structure, and the flanging at the end can be parallel to the plane of the plate body 01.
  • the flanges of the two ends are abutted, and the flanges of the two ends are welded, that is, they are perpendicular to the stacking direction of the plate 1
  • the direction of the contact and connection surface is formed, which is more convenient for welding and operation.
  • the plate 1 can have at least two forms.
  • One of the pipe sections 04 on the plate 1 can protrude along the top direction of the plate body 01, and the other plate The pipe section 04 on 1 may protrude along the bottom direction of the plate body 01.
  • the first flow channel 3 and the second flow channel 4 can be separated by welding the paired pipe sections 04 to each other, and the two pipe sections 04
  • the connection can be a surface-to-surface contact connection, which is equivalent to the welding between the plates.
  • the two plates 1 can be welded, and the verticality of the pipe section 04 can be ensured at all times.
  • the weldable area between the two pipe sections 04 is larger, so the requirements for assembly are low.
  • the welding on the plane is easy to operate and control. Therefore, it can The welding quality between the contact portion and the contact portion is easily ensured, so that the yield of the heat exchanger can be improved.
  • a heat exchanger provided by the present disclosure may include a plurality of plate and fin assemblies provided by the present disclosure: a plurality of plate and fin assemblies can be stacked; and the pipe sections 04 in the plurality of plate and fin assemblies can be connected in sequence To form the first flow channel 3; the second through holes 03 in the plurality of plate assemblies may communicate to form the second flow channel 4.
  • the two pipe sections 04 in the pair of plates can be welded, and the multiple pipe sections 04 can be connected to each other to form an integrated first flow channel 3, a plurality of second through holes 03 can be connected to each other to form a second flow channel 4, and the first flow channel 3 and the second flow channel 4 can be connected to the plate 1 If the stacking direction is perpendicular to each other, the flow of fluid in the first flow channel 3 and the second flow channel 4 may not interfere with each other.
  • the first flow passage 3 and the second flow passage 4 can be separated by welding the pair of pipe sections 04 to each other, and the pipe section 04 may be surface-to-surface contact
  • the connection is equivalent to the welding between the plate and the plate.
  • the welding of the two pipe sections 04 can be realized on the basis of the welding of the two plates 1, which eliminates the need to ensure the assembly accuracy of the pipe section at all times, and is compared with
  • the annular ring of the submersible tube is welded, and the weldable area between the two partitions is large, so that the assembly requirements are low.
  • the welding on the plane is easy to operate and easy to control. Therefore, it can easily ensure the contact between the contact part and the contact part
  • the welding quality can improve the yield of the heat exchanger.
  • the heat exchanger may also include a plurality of bottom plates 2, and the plurality of bottom plates 2 are stacked and arranged under the plurality of plate assemblies, and the plurality of plate assemblies and The bottom plate 2 may form a plurality of first fluid channels for the flow of the first fluid.
  • the bottom plate and the first fluid channels the arrangement of the bottom plate and the first fluid channels will be described in detail below.
  • every two bottom plates 2 can be arranged in pairs, one corner of the bottom plate 2 can be provided with a third through hole 05, and a plurality of third through holes 05 can be connected to form a third flow channel 5.
  • the third flow channel 5 may be separated from the second flow channel 4 in the stacking direction and communicate with the first flow channel 3.
  • a corner of the plate 1 away from the second through hole 03 along the long side of the rectangular plate 1 and a corner of the bottom plate 2 away from the third through hole 05 along the long side of the rectangular plate 1 can be provided
  • the fourth through hole 06 and a plurality of fourth through holes 06 may form the fourth flow channel 6.
  • the uppermost bottom plate of the bottom plates 2 of the plurality of plates 1 may be provided with a cover plate 8, and the cover plate 8 may seal the second through hole 03 to make the first
  • the second flow channel 4 and the third flow channel 5 are separated in the stacking direction.
  • the cover plate can be realized by not providing the second through hole in the plate 1.
  • the second through hole 03 can be sealed by the cover plate 8, and the cover plate 8 can be arranged on the plate 1, without the need for plug-in cooperation between the two components, which can easily ensure the sealing effect.
  • the cover plate 8 can be clamped or welded to the plate 1.
  • the cover plate 8 can be integrated with the plate 1 to facilitate processing and avoid later assembly and installation.
  • the heat exchanger may further include a top plate, and the top plate may be provided with a first fluid inlet 111 and a first fluid outlet 112.
  • the first flow channel 3 may directly communicate with the first fluid inlet 111, that is, the first flow channel 3 may be used as a channel for introducing the first fluid.
  • the first fluid can be guided by the first flow channel 3 into the third flow channel 5, and then distributed through the third flow channel 5 to the fourth flow connected to the third flow channel 5 and the plurality of fourth through holes 06.
  • the first fluid can pass through two process sections.
  • the first process section can be a plurality of first fluid channels connected between the third flow channel 5 and the fourth flow channel 6, and the second process section can be A plurality of first fluid passages between the fourth flow passage 6 and the second flow passage 4 are communicated.
  • the first flow channel 3 can also be directly connected to the first fluid outlet 112.
  • the first flow channel 3 can be used to export the first fluid that has completed heat exchange to The first fluid outlet 112 is then discharged from the heat exchanger through the first fluid outlet 112.
  • the second flow channel 4 can be directly connected to the first fluid inlet 111, and the first fluid can enter the second flow channel 4 through the first fluid inlet 111, and then be distributed to the second flow channel through the second flow channel 4.
  • a steering member may be provided in the fourth flow channel 6 to divide the fourth flow channel 6 into a fifth flow channel 7 and a sixth flow in the stacking direction of the plates 1.
  • Road 7' may be provided in the fourth flow channel 6 to divide the fourth flow channel 6 into a fifth flow channel 7 and a sixth flow in the stacking direction of the plates 1.
  • Road 7' may be provided above the sixth flow channel 7'.
  • Each pair of plates 1 and each pair of bottom plates 2 can form a first fluid channel, and multiple first fluid channels can be divided into a first channel section 10 and a second channel section from bottom to top. 11 and the third channel section 12.
  • the first passage section 10 may be between the lower part of the third flow passage 5 and the sixth flow passage 7', that is, the third flow passage 5 may pass through the lower part of the first passage section 10 and the sixth flow passage 7' Connected;
  • the second passage section 11 may be between the lower part of the second flow passage 4 and the upper part of the sixth flow passage 7', that is, the lower part of the second flow passage 4 may pass through the second passage section 11 and the sixth flow passage 7'
  • the third passage section 12 may be between the upper part of the second flow passage 4 and the fifth flow passage 7, that is, the upper part of the second flow passage 4 may communicate with the fifth flow passage 7 through the third passage section 12.
  • the first fluid channel 3 can be directly connected to the first fluid inlet 111, that is, the first fluid can first enter the first fluid channel 3 through the first fluid inlet 111, and the fifth fluid channel 7 can be connected to the first fluid inlet 111.
  • the fluid outlet is directly connected.
  • the first fluid may enter the third flow channel 5 through the first flow channel 3, and then be distributed to the multiple first fluid channels in the first channel section 10 through the third flow channel 5 , Through the first channel section 10 and then merge into a part of the sixth flow channel, distribute to the multiple first fluid channels in the second channel section 11 through another part of the sixth flow channel, and then merge into the second flow channel 4, Then it is distributed to the multiple first fluid passages in the third passage section 12 through the second flow passage 4, and then merges into the fifth flow passage 7, then enters the first fluid outlet 112 through the fifth flow passage 7, and finally passes through the first fluid outlet 112.
  • the fluid outlet 112 is led out.
  • the first fluid can meander like an "S" flow in the heat exchanger, which increases the flow speed of the fluid and enhances the heat exchange capacity.
  • the flow rate that passes through the channel section of the plate 1 at one time is reduced, which makes it easier for the first fluid to evenly distribute the flow in the channel between the plates 1, thereby improving the heat exchange capacity.
  • the first flow channel 3 may also be directly connected to the first fluid outlet 112, and the fifth flow channel 7 may also be directly connected to the first fluid inlet 111.
  • the first fluid may first enter the fifth flow channel 7 through the first fluid inlet 111, and then be distributed to the multiple first fluid channels in the third channel section 12 by the fifth flow channel 7, and then flow into the second fluid channel.
  • the flow channel 4 is redistributed to the plurality of first fluid channels in the second channel section 11, and then merges into the sixth flow channel, and then distributed to the plurality of first fluid channels in the first channel section 10, and then merges into the
  • the three flow channels 5 then enter the first flow channel 3, enter the first fluid outlet 112 via the first flow channel 3, and finally discharge.
  • the first fluid can meander like an "S" flow in the heat exchanger, which increases the flow speed of the fluid and enhances the heat exchange capacity.
  • the flow rate that passes through the channel section of the plates 1 at one time is reduced, so that the first fluid can more easily distribute the flow evenly in the channels between the plates 1, thereby improving the heat exchange capacity.
  • At least two of the number of first fluid channels in the first channel section 10, the number of first fluid channels in the second channel section 11, and the number of first fluid channels in the third channel section 12 may be the same of.
  • the number of first fluid passages in the first passage section 10, the number of first fluid passages in the second passage section 11, and the number of first fluid passages in the third passage section 12 may be sequentially increased, for example, the first passage
  • the number of first fluid channels in the section 10 is less than the number of first fluid channels in the second channel section 11, and the number of first fluid channels in the second channel section 11 is less than the number of first fluid channels in the third channel section 12.
  • the first fluid when the heat exchanger provided in this embodiment is applied to evaporative heat exchange, the first fluid may be a mixed fluid of liquid and gas at the inlet, and the liquid may slowly evaporate into gas after passing through the heat exchange channel.
  • the speed of the first fluid will get faster and faster, and the number of the three can ensure that the first fluid can fully exchange heat even at a fast flow rate.
  • the steering member can have various structural forms.
  • the steering member can be a steering wheel, and the steering wheel can abut and fix the inner wall of the fourth flow channel 6, that is, the steering wheel can be fixed to the side of the fourth through hole 06.
  • the walls are abutted and fixed, so that the fourth flow channel 6 can be divided into two chambers in the stacking direction to form a fifth flow channel 7 and a sixth flow channel 7'.
  • the steering member may be a steering plate 9, and the steering plate 9 may be disposed on one of the plurality of first plates 1, for example, in the plurality of first plates 1.
  • the steering plate 9 can be fixedly connected to the first plate 1. Then, in the process of stacking and connecting a plurality of plates 1, the installation of the steering plate 9 can be completed, avoiding separate installation of the steering plate. It further facilitates the processing and manufacturing of the heat exchanger.
  • the steering plate 9 can be clamped or welded to the first plate 1.
  • the steering plate 9 can be integrated with the first plate 1 to further facilitate processing and manufacturing.
  • a second fluid inlet 113 and a second fluid outlet 114 may be provided on the top plate located on the uppermost part of the plurality of first plates 1, and the first fluid inlet 111 may be connected to The first road 3 is connected.
  • the first fluid inlet 111 and the second fluid inlet 113 may be provided at one end of the top plate, and the first fluid outlet 112 and the second fluid outlet 114 may be provided at the other end of the top plate.
  • a corner of the plate 1 away from the second through hole 03 along the short side of the rectangular plate 1 and a corner of the bottom plate 2 away from the third through hole 05 along the short side of the rectangular plate 1 Both can be provided with a fifth through hole 07, and a corner of the plate 1 along the diagonal of the rectangular plate 1 away from the second through hole 03 and the bottom plate 2 along the diagonal of the rectangular plate 1 is away
  • Each corner of the third through hole 05 can be provided with a sixth through hole 08, and the multiple fifth through holes 07 of the multiple plates 1 and the multiple bottom plates 2 can communicate with each other and connect with the first plate 1 and
  • the bottom plate 2 forms a second fluid introduction channel for introducing the second fluid, and the plurality of plates 1 and the plurality of sixth through holes 08 of the plurality of bottom plates 2 can communicate with each other and communicate with the first plate 1 and
  • the bottom plate 2 forms a second fluid outlet channel for guiding the second fluid.
  • the second fluid introduction channel may be in communication with the second fluid inlet 113, and the second fluid outlet
  • all the second fluid channels can be connected between the second fluid introduction channel and the second fluid outlet channel, that is, the flow of the second fluid is only one section, and the second fluid can enter the second fluid introduction channel. It is distributed to each second fluid channel, then merges into the second fluid outlet flow channel, and finally is exported through the second fluid outlet 114.
  • a first fluid channel can be formed between the two plates 1 of the pair of plates 1, and similarly, a first fluid channel can be formed between the two bottom plates 2 of the pair of bottom plates 2 , A second fluid channel can be formed between two adjacent pairs of plates 1, and a second fluid channel can also be formed between two adjacent pairs of bottom plates 2.
  • the pair of plates 1 and the pair of bottom plates 2 may both be multiple, so that multiple first fluid channels and multiple second fluid channels can be formed, and the first fluid channels and the second fluid channels can be alternately arranged.
  • the plates 1 may be arranged in a rectangular shape.
  • the pair of plates 1 one may be plate A and the other may be plate B.
  • the first corner of the plate A may be provided with a first pit
  • the second corner on the same side may be provided with a second pit
  • both the first pit and the second pit may protrude outside the plate A
  • the fifth through hole 07 can be arranged in the first pit
  • the sixth through hole 08 can be arranged in the second pit
  • the first through hole 02 and the second through hole 03 can be arranged in the third corner
  • the fourth through hole 06 can Set in the fourth corner.
  • the first corner of the plate B can be provided with a fifth through hole 07
  • the second corner can be provided with a sixth through hole 08
  • the third corner can be provided with a third recess
  • the fourth corner can be provided with a fourth
  • the pit, the third pit and the fourth pit can all protrude outside the plate B
  • the first through hole 02 and the second through hole 03 can be arranged in the third pit
  • the fourth through hole 06 can be arranged in the fourth pit. In the pit.
  • plate A can be located above plate B, the first pit on plate A can abut on plate B, and the second pit on plate A can abut on plate B, that is, two The edges of one fifth through hole 07 abut, and the edges of two sixth through holes 08 abut; there may be a third pit between the second through hole 03 of plate A and the second through hole 03 of plate B
  • the fourth through hole 06 of the plate A and the fourth through hole 06 of the plate B may have a fourth pit depth interval.
  • a fluid channel can be formed between the two plates 1, and this fluid channel can be directly connected to the first through hole 02 and the fourth through hole 06 to realize the flow of the first fluid.
  • the fluid channel can be the first fluid channel. .
  • the plate B in the upper pair of plates 1 can be connected to the plate A in the lower pair of plates 1, and the two plates The fluid channel formed between the plates can be pushed out in the same way.
  • the fifth through hole 07 and the sixth through hole 08 can communicate with the fluid channel, and the fluid channel can be the second fluid channel.
  • both the first corner and the second corner of one bottom plate 2 may be provided with recesses, and both the fifth through hole 07 and the sixth through hole 08 may be provided in the recess.
  • both the third corner and the fourth corner of the other bottom plate 2 can be provided with pits.
  • Both the third through hole 05 and the fourth through hole 06 can be arranged in the pit, and the pit can protrude from the bottom plate 2 .
  • the principle that the plurality of pairs of bottom plates 2 form the first fluid channel and the second fluid channel may be the same as the principle of the plurality of pairs of plates 1.
  • the third through hole 05, the fourth through hole 06, the fifth through hole 07, and the sixth through hole 08 on the bottom plate 2 can be arranged completely symmetrically, so that there is no need to distinguish the bottom plate 2. Only two corners are provided with pits, and two through holes can be respectively arranged in the pits. During the installation process, the bottom plate 2 can be rotated by 180 degrees to form a pair of bottom plates 2.
  • the heat exchanger provided by the present disclosure can be applied in many fields, and is especially suitable for evaporative heat exchange, and is suitable for evaporators.
  • the first fluid can be a refrigerant
  • the second fluid can be water or antifreeze. Liquid water.
  • the first fluid can absorb the heat of the second fluid to lower the temperature of the second fluid, and the cooled second fluid can be used as a coolant to further cool other components, such as cooling the battery of a hybrid or pure electric vehicle.
  • the heat exchanger can also be used in combination with a thermal expansion valve.
  • it can include a thermal expansion valve 116, a connecting block 115, and the heat exchanger provided in the present disclosure.
  • the connecting block 115 can include a first block that is separated from each other. One end of the first channel can communicate with the inlet of the thermal expansion valve 116, the other end can communicate with the first fluid inlet 111, one end of the second channel can communicate with the outlet of the thermal expansion valve 116, and the other end can communicate with the second channel.
  • a fluid outlet 112 is connected, which avoids the introduction of the first fluid from the first fluid outlet 112 to the outlet of the thermal expansion valve 116 from the other side of the heat exchanger (the side opposite to the top plate) through a pipe or other guiding device.
  • the structure is compact and economical. Up space.

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Abstract

本公开涉及热交换装置技术领域，特别涉及一种板片、板片组件及热交换器。所述板片包括板片本体和设置在板片本体上的第一通孔和第二通孔，板片本体在环绕所述第一通孔处形成管道段；所述第二通孔靠近所述管道段的外周设置。相较于相关技术中在通道中插入潜管，本公开提供的板片在连接以形成第一流道的过程中，可以无需在焊接过程中使管道段时刻保持较高的垂直度或者装配精度，只需保障相邻两个管道段相互连接即可，从而对装配精度要求低，方便焊接，使焊接易操作，易控制，两个管道段之间的焊接质量易得到保障，从而能够提高热交换器的合格率。

Description

板片、板片组件及热交换器
相关申请的交叉引用
本公开要求于2019年06月27日提交中国专利局的申请号为2019105668924、名称为“板片、板片组件及热交换器”的中国专利申请的优先权，其全部内容通过引用结合在本公开中。
技术领域
本公开涉及热交换装置技术领域，特别涉及一种板片、板片组件及热交换器。
背景技术
为了实现将叠片式热交换器的第一流体的总进口和总出口设置在热交换器的同一侧(如上侧)，且同时实现多流程段，相关技术中采用一种热交换器，该热交换器包括潜管和多个堆叠薄片，多个堆叠薄片相互叠置，堆叠薄片之间形成第一流体通道和第二流体通道，堆叠薄片上设有多个第一通孔，多个第一通孔能够形成为与第一流体总进口连通以引入第一流体的通道，潜管插设在该通道内，伸入该通道的底部，从而使第一流体由该通道的底部进入第一流体通道内，通过设置转向装置，使第一流体蜿蜒流过热交换器的多个第一流体通道，最后由第一流体总出口排出。
存在的问题是，插入在通道内的潜管不仅要与堆叠薄片焊接，还要与转向装置焊接，在钎焊过程中焊料融化容易导致每层堆叠薄片沿堆叠方向发生滑动，影响潜管的装配位置，或者影响潜管的装配精度如垂直度，从而导致焊接质量难以保证(环形焊接)，产品合格率低。
发明内容
本公开的目的例如包括提供了一种板片、板片组件及热交换器，以解决上述技术问题。本公开实施例例如可以通过下述方式来实现。
本公开实施例提供了一种板片，该板片可以包括板片本体和设置在板片本体上的第一通孔和第二通孔，板片本体可以在环绕所述第一通孔处形成管道段；所述第二通孔可以靠近所述管道段外周设置。
可选地，所述管道段可以通过所述第一通孔的边缘的翻边形成。
可选地，所述翻边可以为一次翻边结构，并且所述翻边可以垂直于所述板片本体的平 面。
可选地，所述翻可以为二次翻边结构，并且末端的翻边可以平行于所述板片本体的平面。
可选地，所述管道段可以向上凸出或者向下凸出。
可选地，所述第二通孔可以为多个，多个所述第二通孔可以围设在所述管道段周围。
可选地，所述第一通孔的流通面积与第二通孔的流通面积之比可以不大于1：1。
本公开实施例提供了一种板片组件，该板片组件可以包括两个本公开实施例提供的板片，两个所述板片可以层叠设置，并且两个所述板片中的所述管道段可以朝向彼此凸出，并实现面接触连接。
本公开实施例提供了一种热交换器，该热交换器可以包括多个本公开实施例提供的板片组件：多个板片组件可以层叠设置；并且多个板片组件中的管道段可以依次连通以形成第一流道；多个板片组件中的第二通孔可以连通以形成第二流道。
可选地，所述热交换器还可以包括第一流体进口和第一流体出口；所述第一流道可以与所述第一流体进口连接，或者第一流道可以与所述第一流体出口连接。
可选地，所述第一流道与所述第二流道可以在与所述板片组件的堆叠方向垂直的方向上相互隔断。
可选地，所述热交换器还可以包括多个底部板片，所述多个底部板片可以堆叠设置在多个所述板片组件下方，所述底部板片上可以设置有第三通孔，所述多个底部板片的所述第三通孔可以连通以形成第三流道，所述第三流道可以与所述第一流道连通。
可选地，所述底部板片上还可以设置有第四通孔，所述多个底部板片的所述第四通孔可以连通以形成第四流道。
可选地，所述第四流道内可以设置有转向件，以将所述第四流道在所述板片组件的堆叠方向上分割成第五流道和第六流道，所述第五流道可以位于所述第六流道上面。
可选地，每个所述板片组件形成一个第一流体通道，每个成对的所述底部板片形成一个第一流体通道，多个所述第一流体通道由下而上分为第一通道段、第二通道段和第三通道段。
可选地，所述第一通道段可以在所述第三流道与所述第六流道的下部之间，所述第二通道段可以在所述第二流道的下部与所述第六流道的上部之间，所述第三通道段可以在所述第二流道的上部与所述第五流道之间。
可选地，所述第一通道段的所述第一流体通道的数量、所述第二通道段的所述第一流体通道的数量和所述第三通道段的所述第一流体通道的数量中的至少两者可以是相同的。
可选地，所述第一通道段的所述第一流体通道的数量、所述第二通道段的所述第一流体通道的数量和所述第三通道段的所述第一流体通道的数量可以依次增加。
可选地，相邻的所述板片组件之间形成一个第二流体通道，相邻的两个成对的所述底部板片之间形成一个第二流体通道。
可选地，所述多个第一流体通道和所述多个第二流体通道可以交替设置。
本公开实施例提供的板片可以包括板片本体和设置在板片本体上的第一通孔和第二通孔，板片本体可以在环绕第一通孔处形成管道段；第二通孔可以靠近管道段外周设置。
在使用本公开实施例提供的板片生产制造热交换器的过程中，可以将多个板片依次堆叠连接起来，在将多个板片焊接的过程中，可以将相邻设置的两个管道段连接起来如焊接，多个管道段相互连接以形成一个整体的第一流道，第二通孔相互连通以形成第二流道，并且第一流道与第二流道在与板片的堆叠方向垂直的方向上相互隔断。相较于相关技术中的在通道中插入潜管，本公开提供的板片在连接以形成第一流道的过程中，可以无需在焊接过程中使管道段时刻保持较高的垂直度或者装配精度，只需保障相邻两个管道段相互连接即可，从而对装配精度要求低，方便焊接，使焊接易操作，易控制，可以容易地保障两个管道段之间的焊接质量，从而能够提高热交换器的合格率。
附图说明
构成本公开的一部分的附图用来提供对本公开的进一步理解，本公开的示意性实施例及其说明用于解释本公开，并且不构成本公开的不当限定。在附图中：
图1是根据本公开实施例的板片的结构示意图；
图2是图1所示的板片中的一种管道段的结构示意图；
图3是图1所示的板片中的另一种管道段的结构示意图；
图4是根据本公开实施例的板片组件的结构示意图；
图5是根据本公开实施例的热交换器在第一流体侧的结构示意图；
图6是图5所示的热交换器的底部板片的结构示意图；
图7是图5所示的热交换器的设有盖板的板片组件中的板片的结构示意图；
图8是图5所示的热交换器的设有转向件的板片组件中的板片的结构示意图；
图9是第一流体在本公开实施例提供的热交换器中的一种流动示意图；
图10是根据本公开实施例的热交换器在第二流体侧的结构示意图；
图11是根据本公开实施例提供的热交换器与热膨胀阀组合使用的结构示意图。
图中：01-板片本体；02-第一通孔；03-第二通孔；04-管道段；05-第三通孔；06-第四 通孔；07-第五通孔；08-第六通孔；1-板片；2-底部板片；3-第一流道；4-第二流道；5-第三流道；6-第四流道；7-第五流道；7’-第六流道；8-盖板；9-转向板；10-第一通道段；11-第二通道段；12-第三通道段；111-第一流体进口；112-第一流体出口；113-第二流体进口；114-第二流体出口；115-连接块；116-热膨胀阀。
具体实施方式
需要说明的是，在不冲突的情况下，本公开中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本公开。
在本公开的描述中，需要理解的是，相似的标号在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解释。同时，在本公开的描述中，术语“第一”、“第二”等仅用于区分描述，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明本公开的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。如图1所示，本公开提供的一种板片1可以包括板片本体01和设置在板片本体01上的第一通孔02和第二通孔03，具体地，板片本体01可以呈矩形设置，第一通孔02和第二通孔03可以位于板片本体01的一个角部，板片本体01可以在环绕所述第一通孔02处形成管道段04，即管道段设置在第一通孔02上，所述第二通孔03可以靠近所述管道段04的外周设置，关于第一通孔02和第二通孔03和管道段04，其设置在下文详细描述。
在使用本实施例提供的板片1生产制造热交换器的过程中，可以将多个板片1依次堆叠连接起来，在将多个板片1焊接的过程中，可以将相邻设置的两个管道段04连接起来如焊接，多个管道段04可以相互连接以形成一个整体的第一流道3，多个第二通孔03可以相互连通以形成第二流道4,并且第一流道3可以与第二流道4在与板片1的堆叠方向垂直的方向上相互隔断。相较于相关技术中的在通道中插入潜管，本实施例提供的板片1在相互连接以形成第一流道的过程中，可以无需在焊接过程中使管道段时刻保持较高的垂直度或者装配精度，只需保障相邻两个管道段04相互连接即可，从而对装配精度要求低，方便焊接，使焊接易操作，易控制，两个管道段04之间的焊接质量易得到保障，从而能够提高热交换器的合格率。
可选地，第一通孔02和管道段04的截面形状可以为多种，例如：三角形、四边形、椭圆形、圆形或者异形等。
可选地，第二通孔03的结构形式可以为多种，例如：呈三角形、圆形、矩形或者腰形。
可选地，第二通孔03可以呈扇形设置，且扇形可以以第一通孔02的中心为圆心设置，这能够使板片1的结构紧凑。
第二通孔03的数量可以为一个，可选地，第二通孔03的数量可以为两个、三个或者四个等多个，多个第二通孔03可以围设在第一通孔02周围，设置多个第二通孔03可以使第一流体在多个位置流动，使第一流体的流动均匀，避免拥堵在一个位置，有利于第一流体的流通。
可选地，多个第二通孔03可以均匀分布在第一通孔02的周围，这可以使第一流体的流量均匀。
可选地，所述第一通孔02的流通面积与第二通孔03的流通面积之比可以不大于1：1，如：第一通孔02的流通面积与第二通孔03的流通面积之比可以为1:1、1:2、1:3或者1:4等等。当然也要根据实际需要来设置。可选地，对于第一流体为液体和气体的混合流体而言，在第一流体的流动过程中，当液体转变成气体时，第一流体的流速增大，则第二通孔03的流通总面积过小会影响第一流体的转向以及换热。
可选地，管道段04与板片本体01的连接方式可以为多种，例如：可以在热交换器加工制造前通过焊接或者胶接等等方式将管道段04与板片1进行连接，即将管道段04连接在第一通孔02的边缘。
可选地，管道段04可以与板片本体01一体成型，例如通过铸造，避免二次加工，连接可靠。
可选地，管道段04可以通过所述第一通孔02的边缘的翻边形成，本实施例中，可以通过冲压或者拉伸来形成翻边，生产工艺简单，加工方便。
可选地，通过第一通孔02的边缘的翻边形成的结构可以为多种。作为一种可选方案，如图2所示，翻边可以为一次翻边结构，并且翻边可以垂直于板片本体01的平面。本实施例中，可选地，翻边可以垂直于板片本体01的平面，则在将两个管道段04焊接时，可以使两个翻边的侧壁相互抵接，在两个翻边之间形成焊接，这样,焊接面积大，方便焊接，且这种结构的管道段04形成的第一流道3的侧壁可以大体上是平整的，避免侧壁出现凸出部而阻挡第一流体的流动。
作为另一种可选方案，如图3所示，翻边可以为二次翻边结构，并且末端的翻边可以平行于板片本体01的平面。本实施例中，在将两个管道段04连接时，可以使两个末端的翻边抵接，将两个末端的翻边进行焊接即可，更加方便焊接更加方便操作。
如图1所示，可选地，板片本体01可以呈U形设置，开口端可以为上端，管道段04可以既向上凸出，又下凸出，也就是说管道段04凸出于板片1的顶部和底部。
可选地，管道段04还可以仅向下凸出或者管道段04还可以仅向上凸出。
如图4所示，本公开提供的一种板片组件可以包括两个本公开提供的板片1，两个板片1可以层叠设置，并且两个板片1中的管道段04可以朝向彼此凸出，并且实现面接触连接。
本实施例中，可选地，两个板片1可以成对设置，两个板片1中的管道段04可以朝向彼此凸出，即一个板片1的管道段04可以向上凸出，那么另一个板片1的管道段04可以向下凸出。可选地，两个管道段04可以实现面接触连接。这样可以避免一个板片1的拉伸量过大导致过薄损坏，有利于板片1的加工制造。
可选地，管道段04的结构可以不同，则两者形成的面接触连接的形式也不同，如，管道段04通过第一通孔02的边缘翻折形成的结构可以为多种。如图2所示，可选地，翻边可以为一次翻边结构，并且翻边可以垂直于板片本体01的平面。本实施例中，可选地，翻边可以垂直于板片本体01的平面，则在将两个管道段04焊接时，可以使两个翻边的侧壁相互抵接，也就是说可以沿与板片1的堆叠方向相同的方向接触且形成连接的面。可以在两个翻边之间形成焊接，这样,焊接面积大，方便焊接，且这种结构的管道段04形成的第一流道3的侧壁可以大体上是平整的，避免侧壁出现凸出部而阻挡第一流体的流动。
如图3所示，可选地，翻边可以为二次翻边结构，并且末端的翻边可以平行于板片本体01的平面。本实施例中，可选地，在将两个管道段04连接时，两个末端的翻边抵接，将两个末端的翻边进行焊接即可，即沿与板片1的堆叠方向垂直的方向形成接触并连接的面，更加方便焊接更加方便操作。
需要说明的是，可选地，所述板片1可以至少有两种形式,其中一种板片1上的管道段04可以沿着板片本体01的顶部方向凸出,另一种板片1上的管道段04可以沿着板片本体01的底部方向凸出。
在使用本实施例提供的板片组件生产制造热交换器的过程中，可以通过将成对的管道段04相互焊接来实现第一流道3和第二流道4的隔断，两个管道段04的连接可以是面与面的接触连接，相当于板与板之间的焊接，在两个管道段04焊接的基础上就可以实现两个板片1的焊接，可以无需时刻保障管道段04的垂直度等装配精度，且相较于潜管的环形圈焊接，两个管道段04之间的可焊接区较大，从而对装配的要求低，平面上焊接，易操作，易控制，因此，可以容易地保障接触部与接触部之间的焊接质量，从而能够提高热交换器的成品率。
如图5所示，本公开提供的一种热交换器可以包括多个本公开提供的板片组件：多个板片组件可以层叠设置；并且多个板片组件中的管道段04可以依次连通以形成第一流道3； 多个板片组件中的第二通孔03可以连通以形成第二流道4。
本实施例中，可选地，在将多个成对的板片(板片组件)堆叠焊接成一整体的过程中，可以将成对的板片中的两个管道段04焊接，多个管道段04可以相互连接以形成一个整体的第一流道3，多个第二通孔03可以相互连通以形成第二流道4，并且第一流道3和第二流道4可以在与板片1的堆叠方向垂直的方向上相互隔断，则流体在第一流道3和第二流道4中的流通可以各不干扰。
在本实施例提供的热交换器生产制造的过程中，可以通过将成对的管道段04相互焊接来实现第一流道3和第二流道4的隔断，管道段04可以是面与面的接触连接，相当于板与板之间的焊接，在两个板片1焊接的基础上就可以实现两个管道段04的焊接，可以无需时刻保障管道段的垂直度等装配精度，且相较于潜管的环形圈焊接，两个隔断部之间的可焊接区较大，从而对装配的要求低，平面上焊接，易操作，易控制，因此，可以容易地保障接触部与接触部之间的焊接质量，从而能够提高热交换器的成品率。
如图5和图6所示，可选地，热交换器还可以包括多个底部板片2，多个底部板片2堆叠设置在多个板片组件下方，多个板片组件和多个底部板片2可以形成多个用于第一流体流动的第一流体通道，关于底部板片及第一流体通道，其设置在下文描述详细。
可选地，每两个底部板片2可以成对设置，底部板片2的一个角部可以设有第三通孔05，多个第三通孔05可以连通以形成第三流道5，第三流道5可以与第二流道4在堆叠方向上隔断，且与第一流道3连通。板片1的沿矩形板片1的长边远离第二通孔03的一个角部和底部板片2的沿矩形板片1的长边远离第三通孔05的一个角部均可以设有第四通孔06，多个第四通孔06可以形成第四流道6。这种结构能够实现第一流体的多流程段，从而能够提高换热效率。
可选地，如图7所示，多个板片1中的底部板片2中最上面的底部板片上可以设有盖板8，盖板8可以将第二通孔03密封，以使第二流道4和第三流道5在堆叠方向上隔断，例如盖板可以通过板片1不设置第二通孔来实现。本实施例中，可选地，可以通过盖板8将第二通孔03密封，且盖板8可以设置在板片1上，无需两个部件之间插接配合，可以容易地保障封堵效果。
可选地，盖板8可以与板片1卡接或者焊接，可选地，盖板8可以与板片1一体设置，方便加工，避免后期再装配安装。
可选地，热交换器还可以包括顶板，顶板上可以设置有第一流体进口111和第一流体出口112。
本实施例中，可选地，第一流道3可以与第一流体进口111直接连通，即第一流道3 可以作为导入第一流体的通道。具体地，第一流体可以通过第一流道3的引导进入第三流道5，再经由第三流道5分配到连通在第三流道5和多个第四通孔06形成的第四流道6之间的多个第一流体通道内，然后进入第四流道6，再经由连通在第四流道6和第二流道4之间的多个第一流体通道进入第二流道4内，最后经由第二流道4排出。在整个过程中，第一流体可以经过两个流程段，第一流程段可以为连通在第三流道5和第四流道6之间的多个第一流体通道，第二流程段可以为连通在第四流道6和第二流道4之间的多个第一流体通道。
可选地，第一流道3还可以与第一流体出口112直接连通，作为第一流体在换热器内流动的最后阶段，第一流道3可以用于将完成换热的第一流体导出至第一流体出口112，再经由第一流体出口112从热交换器排出。具体地，第二流道4可以与第一流体进口111直接连通，第一流体可以经由第一流体进口111进入第二流道4，再经由第二流道4分配到连通在第二流道4与第四流道6之间的第一流体通道内，然后进入第四流道6，再经由第四流道6进入连通在第四流道6与第三流道5之间的第一流体通道进入第三流道5，然后经由第三流道5进入第一流道3内，然后经由第一流道3进入第一流体出口112，最终从热交换器排出。
如图5和图9所示，可选地，第四流道6内可以设置转向件,以将第四流道6在板片1的堆叠方向上分割成第五流道7和第六流道7’。可选地，第五流道7位于第六流道7’上面。每个成对的板片1和每个成对的底部板片2均可以形成一个第一流体通道，多个第一流体通道可以由下而上分为第一通道段10、第二通道段11和第三通道段12。可选地，第一通道段10可以在第三流道5与第六流道7’的下部之间，即第三流道5可以通过第一通道段10与第六流道7’的下部连通；第二通道段11可以在第二流道4的下部与第六流道7’的上部之间，即第二流道4的下部可以通过第二通道段11与第六流道7’的上部连通；第三通道段12可以在第二流道4的上部与第五流道7之间，即第二流道4的上部可以通过第三通道段12与第五流道7连通。
本实施例中，可选地，第一流道3可以与第一流体进口111直接连通，即第一流体可以经由第一流体进口111首先进入第一流道3，第五流道7可以与第一流体出口直接连通。可选地，第一流体进入第一流道3后，可以再经由第一流道3进入第三流道5，然后经由第三流道5分配至第一通道段10中的多个第一流体通道，通过第一通道段10再汇入第六流道的一部分，经由第六流道的另一部分分配至第二通道段11中的多个第一流体通道，再汇入第二流道4，然后经由第二流道4分配至第三通道段12中的多个第一流体通道，再汇入第五流道7，然后经由第五流道7进入第一流体出口112，最后经由第一流体出口112导 出。第一流体可以在热交换器内蜿蜒如“S”型流动，提高了流体的流动速度，增强了换热能力。另外,一次性通过板片1的通道段的流量变少，使得第一流体更容易在板片1之间的通道中均匀分配流量，从而提升了换热能力。
可选地，第一流道3还可以与第一流体出口112直接连通，第五流道7还可以与第一流体进口111直接连通。可选地，第一流体可以经由第一流体进口111首先进入第五流道7，再由第五流道7分配至第三通道段12中的多个第一流体通道，然后汇入第二流道4，再分配至第二通道段11中的多个第一流体通道，然后汇入第六流道，再分配至第一通道段10中的多个第一流体通道，然后汇入第三流道5，然后进入第一流道3，经由第一流道3进入第一流体出口112，最后排出。第一流体可以在热交换器内蜿蜒如“S”型流动，提高了流体的流动速度，增强了换热能力。此外，一次性通过板片1的通道段的流量变少，使得第一流体可以更容易在板片1之间的通道中均匀分配流量，从而提升了换热能力。
可选地，第一通道段10的第一流体通道的数量、第二通道段11的第一流体通道的数量以及第三通道段12的第一流体通道的数量中的至少两者可以是相同的。
可选地，第一通道段10的第一流体通道的数量、第二通道段11的第一流体通道的数量以及第三通道段12的第一流体通道的数量可以依次增加，例如第一通道段10的第一流体通道的数量小于第二通道段11的第一流体通道的数量，第二通道段11的第一流体通道的数量小于第三通道段12的第一流体通道的数量。
可选地，当本实施例提供的热交换器应用于蒸发换热时，第一流体在进口处可以为液体和气体的混合流体，经过换热通道后液体可以慢慢蒸发为气体，则第一流体的速度会越来越快，三者的数量则能够保障第一流体即使在快流速情况下也能充分换热。
可选地，转向件的结构形式可以为多种，例如：转向件可以为转向盘，转向盘可以与第四流道6的内壁抵接固定，即转向盘可以与第四通孔06的侧壁抵接固定，从而可以将第四流道6在堆叠方向上分割成两个腔室，形成第五流道7和第六流道7’。
可选地，如图8所示，所述转向件可以为转向板9，所述转向板9可以设置在多个所述第一板片1中的一者上，例如处于多个所述第一板片1的中间位置，以将所述一者上的所述第四通孔06密封。本实施例中，可选地，转向板9可以与第一板片1固定连接，则在将多个板片1堆叠连接的过程中，即可完成转向板9的安装，避免再单独安装转向件，进一步方便热交换器的加工制造。
可选地，转向板9可以与第一板片1卡接或者焊接，可选地，转向板9可以与第一板片1一体设置，进一步方便加工制造。
如图5和图10所示，可选地，位于多个所述第一板片1最上面的顶板上可以设置有第 二流体进口113和第二流体出口114，第一流体进口111可以与第一流道3连通。如图5所示，第一流体进口111和第二流体进口113可以设置在顶板的一端，第一流体出口112和第二流体出口114可以设置在顶板的另一端。
可选地，板片1的沿矩形板片1的短边远离第二通孔03的一个角部和底部板片2的沿矩形板片1的短边远离第三通孔05的一个角部均可以设有第五通孔07，并且板片1的沿矩形板片1的对角线远离第二通孔03的一个角部和底部板片2的沿矩形板片1的对角边远离第三通孔05的一个角部均可以设有第六通孔08，多个板片1和多个底部板片2的多个第五通孔07可以相互连通并与第一板片1和底部板片2形成用于引入第二流体的第二流体引入流道，多个板片1和多个底部板片2的多个第六通孔08可以相互连通并与第一板片1和底部板片2形成用于导出第二流体的第二流体导出流道。第二流体引入流道可以与第二流体进口113连通，第二流体导出流道可以与第二流体出口114连通。
可选地，所有的第二流体通道可以连通在第二流体引入流道和第二流体导出流道之间，即第二流体的流程只有一段，第二流体可以进入第二流体引入流道后就分配至各个第二流体通道，再汇入第二流体导出流道，最后经由第二流体出口114导出。
具体地，成对的板片1中的两个板片1之间可以形成第一流体通道，同样，成对的底部板片2中的两个底部板片2之间可以形成第一流体通道，相邻的两个成对板片1之间可以形成第二流体通道，相邻的两个成对底部板片2之间也可以形成第二流体通道，这几个通道的形成参见下文详细描述。成对的板片1和成对的底部板片2均可以为多个，则能够形成多个第一流体通道和多个第二流体通道，第一流体通道和第二流体通道可以交替设置。
具体地，板片1可以呈矩形设置，成对的板片1中，一个可以为板片A,另一个可以为板片B。可选地，板片A的第一角可以设有第一凹坑，同侧的第二角可以设有第二凹坑，第一凹坑和第二凹坑均可以凸出板片A外，第五通孔07可以设置在第一凹坑内，第六通孔08可以设置在第二凹坑内，第一通孔02和第二通孔03可以设置在第三角，第四通孔06可以设置在第四角。
可选地，板片B的第一角可以设有第五通孔07，第二角可以设有第六通孔08，第三角可以设有第三凹坑，第四角可以设有第四凹坑，第三凹坑和第四凹坑均可以凸出板片B外，第一通孔02和第二通孔03可以设置在第三凹坑内，第四通孔06可以设置在第四凹坑内。
焊接时，板片A可以位于板片B上方，板片A上的第一凹坑可以与板片B抵接，板片A上的第二凹坑可以与板片B抵接，也就是两个第五通孔07的边缘抵接，两个第六通孔08的边缘抵接；板片A的第二通孔03和板片B的第二通孔03之间可以存在第三凹坑深度的间隔，同样，板片A的第四通孔06与板片B的第四通孔06之间可以存在第四凹坑 深度的间隔。焊接后，两个板片1之间可以形成流体通道，此流体通道可以与第一通孔02和第四通孔06直接连通，从而实现第一流体流动，该流体通道可以为第一流体通道。
可选地，相邻设置的两个成对板片1中，位于上方的成对板片1中的板片B可以与位于下方的成对板片1中的板片A连接，两个成对板片之间形成的流体通道可以同理推出，此时，第五通孔07和第六通孔08可以与该流体通道连通，该流体通道可以为第二流体通道。
可选地，成对的底部板片2中，一个底部板片2中的第一角和第二角均可以设有凹坑，第五通孔07和第六通孔08均可以设在凹坑内，另一个底部板片2的第三角和第四角均可以设有凹坑，第三通孔05和第四通孔06均可以设在凹坑内，凹坑可以凸出于底部板片2。多个成对底部板片2形成第一流体通道和第二流体通道的原理可以与多个成对板片1的原理相同。
可选地，底部板片2上的第三通孔05、第四通孔06、第五通孔07和第六通孔08可以完全对称地设置，这样可以不用对底部板片2进行区分，只需要两个角设有凹坑，两个通孔可以分别设在凹坑内，在安装过程中，将底部板片2旋转180度即可形成成对的底部板片2。
本公开提供的热交换器可应用在多个领域，尤其适用于蒸发换热，适用于蒸发器，此时，可选地，第一流体可以为制冷剂，第二流体可以为水或具有防冻液的水。通常第一流体可以吸收第二流体的热量从而可以降低第二流体的温度，冷却后的第二流体可以作为冷却剂用来进一步冷却其他部件，如冷却混合动力或纯电动车的电池。
如图11所示，可选地，热交换器还可以与热膨胀阀结合使用，具体可以包括热膨胀阀116、连接块115和本公开提供的热交换器，连接块115可以包括相互隔断的第一通道和第二通道，第一通道的一端可以与热膨胀阀116的入口连通，另一端可以与第一流体进口111连通，第二通道的一端可以与热膨胀阀116的出口连通，另一端可以与第一流体出口112连通，避免了从热交换器另一侧(与顶板相对的一侧)借助导管或其他引导装置将第一流体从第一流体出口112导入至热膨胀阀116出口，结构紧凑，节省了空间。
以上所述仅为本公开的较佳实施例而已，并不用以限制本公开，凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。
此外，本领域的技术人员能够理解，尽管上述的一些实施例包括其它实施例中所包括的某些特征而不是其它特征，但是不同实施例的特征的组合意味着处于本申请的范围之内并且形成不同的实施例。例如，在上面的权利要求书中，所要求保护的实施例的任意之一都可以以任意的组合方式来使用。另外，公开于该背景技术部分的信息仅仅旨在加深对本 申请的总体背景技术的理解，而不应当被视为承认或以任何形式暗示该信息构成已为本领域技术人员所公知的现有技术。
工业实用性
本公开实施例提供的板片在连接以形成第一流道的过程中，可以无需在焊接过程中使管道段时刻保持较高的垂直度或者装配精度，只需保障相邻两个管道段相互连接即可，从而对装配精度要求低，方便焊接，使焊接易操作，易控制，可以容易地保障两个管道段之间的焊接质量，从而能够提高热交换器的合格率。

Claims (20)

  1. 一种板片，其特征在于，包括板片本体和设置在板片本体上的第一通孔和第二通孔，板片本体在环绕所述第一通孔处形成管道段；所述第二通孔靠近所述管道段的外周设置。
  2. 根据权利要求1所述的板片，其特征在于，所述管道段通过所述第一通孔的边缘的翻边形成。
  3. 根据权利要求2所述的板片，其特征在于，所述翻边为一次翻边结构，并且所述翻边垂直于所述板片本体的平面。
  4. 根据权利要求2所述的板片，其特征在于，所述翻边为二次翻边结构，并且末端的翻边平行于所述板片本体的平面。
  5. 根据权利要求1-4中任一项所述的板片，其特征在于，所述管道段向上凸出或者向下凸出。
  6. 根据权利要求1-5中任一项所述的板片，其特征在于，所述第二通孔为多个，多个所述第二通孔围设在所述管道段周围。
  7. 根据权利要求1-6中任一项所述的板片，其特征在于，所述第一通孔的流通面积与所述第二通孔的流通面积之比不大于1:1。
  8. 一种板片组件，其特征在于，包括两个根据权利要求1-7中任一项所述的板片，两个所述板片层叠设置，并且两个所述板片中的所述管道段朝向彼此凸出，并且实现面接触连接。
  9. 一种热交换器，其特征在于，包括多个根据权利要求8所述的板片组件，多个所述板片组件层叠设置；并且多个所述板片组件中的所述管道段依次连通以形成第一流道；多个所述板片组件中的所述第二通孔连通以形成第二流道。
  10. 根据权利要求9所述的热交换器，其特征在于，所述热交换器还包括第一流体进口和第一流体出口；所述第一流道与所述第一流体进口连接，或者第一流道与所述第一流体出口连接。
  11. 根据权利要求9-10中任一项所述的热交换器，其特征在于，所述第一流道与所述第二流道在与所述板片组件的堆叠方向垂直的方向上相互隔断。
  12. 根据权利要求9-11中任一项所述的热交换器，其特征在于，所述热交换器还包括多个底部板片，所述多个底部板片堆叠设置在多个所述板片组件下方，所述底部板片上设置有第三通孔，所述多个底部板片的所述第三通孔连通以形成第三流道，所述第三流道与所述第一流道连通。
  13. 根据权利要求12所述的热交换器，其特征在于，所述底部板片上还设置有第四通孔，所述多个底部板片的所述第四通孔连通以形成第四流道。
  14. 根据权利要求13所述的热交换器，其特征在于，所述第四流道内设置有转向件，以将所述第四流道在所述板片组件的堆叠方向上分割成第五流道和第六流道，所述第五流道位于所述第六流道上面。
  15. 根据权利要求9-14中任一项所述的热交换器，其特征在于，每个所述板片组件形成一个第一流体通道，每个成对的所述底部板片形成一个第一流体通道，多个所述第一流体通道由下而上分为第一通道段、第二通道段和第三通道段。
  16. 根据权利要求15所述的热交换器，其特征在于，所述第一通道段在所述第三流道与所述第六流道的下部之间，所述第二通道段在所述第二流道的下部与所述第六流道的上部之间，所述第三通道段在所述第二流道的上部与所述第五流道之间。
  17. 根据权利要求16所述的热交换器，其特征在于，所述第一通道段的所述第一流体通道的数量、所述第二通道段的所述第一流体通道的数量和所述第三通道段的所述第一流体通道的数量中的至少两者是相同的。
  18. 根据权利要求16所述的热交换器，其特征在于，所述第一通道段的所述第一流体通道的数量、所述第二通道段的所述第一流体通道的数量和所述第三通道段的所述第一流体通道的数量依次增加。
  19. 根据权利要求9-18所述的热交换器，其特征在于，相邻的所述板片组件之间形成一个第二流体通道，相邻的两个成对的所述底部板片之间形成一个第二流体通道。
  20. 根据权利要求19所述的热交换器，其特征在于，所述多个第一流体通道和所述多个第二流体通道交替设置。
PCT/CN2020/074789 2019-06-27 2020-02-12 板片、板片组件及热交换器 WO2020258886A1 (zh)

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