WO2021115402A1 - 一种换热器及其装配方法 - Google Patents

一种换热器及其装配方法 Download PDF

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Publication number
WO2021115402A1
WO2021115402A1 PCT/CN2020/135528 CN2020135528W WO2021115402A1 WO 2021115402 A1 WO2021115402 A1 WO 2021115402A1 CN 2020135528 W CN2020135528 W CN 2020135528W WO 2021115402 A1 WO2021115402 A1 WO 2021115402A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
heat exchange
plate
exchange tube
core
Prior art date
Application number
PCT/CN2020/135528
Other languages
English (en)
French (fr)
Inventor
吴青昊
沈惬
赵金涛
Original Assignee
浙江三花汽车零部件有限公司
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
Priority to US17/784,147 priority Critical patent/US20230032094A1/en
Application filed by 浙江三花汽车零部件有限公司 filed Critical 浙江三花汽车零部件有限公司
Priority to EP20898106.8A priority patent/EP4075086A4/en
Priority to CN202080083885.XA priority patent/CN114746710A/zh
Publication of WO2021115402A1 publication Critical patent/WO2021115402A1/zh

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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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/1615—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium
    • F28D7/1623—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium with particular pattern of flow of the heat exchange media, e.g. change of flow direction
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
    • F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section
    • F28D7/1692—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular cross-section with particular pattern of flow of the heat exchange media, e.g. change of flow direction
    • 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
    • F28D9/0006—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 plate-like or laminated conduits being enclosed within a pressure vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • 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
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
    • 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
    • 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
    • F28F9/0278—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of stacked distribution plates or perforated plates arranged over end plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0082—Charged air coolers
    • 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 invention relates to the field of heat exchange technology, in particular to a heat exchanger and an assembly method thereof.
  • the connecting block and the heat exchange core are integrally formed and arranged in the cavity of the shell.
  • the shell is provided with an accommodation hole.
  • a part of the connecting block penetrates the accommodation hole and then extends into the cavity. It is located outside the casing and seals the cavity by providing a sealing structure between the connecting block and the accommodating hole.
  • the shell is divided into upper and lower parts, and a sealing structure must be provided between the upper and lower parts.
  • the object of the present invention is to provide a heat exchanger including:
  • the casing includes a first body and a second body.
  • the first body is made of metal, and the second body is made of plastic.
  • the second body is connected to form a first cavity;
  • the core is accommodated in the first cavity, the core is fixedly connected to the first body, and the heat exchanger is formed in the first cavity
  • a first fluid channel, a second fluid channel is formed inside the heat exchange tube, and the first fluid channel is not connected to the second fluid channel;
  • the heat exchanger further includes a connecting block, the connecting block is connected to the The first body is fixed and the connecting block is located outside the first cavity, the connecting block is provided with a first flow hole, the first body is provided with a second flow hole, and the second flow hole communicates with The first flow hole and the second fluid channel.
  • the heat exchanger of the present invention includes a core, a shell, and a connecting block.
  • a first cavity is formed in the shell.
  • the connecting block is fixed to the shell and the connecting block is arranged outside the first cavity.
  • the core is fixedly arranged in In the first cavity, the first flow hole communicates with the heat exchange tube through the second flow hole, thereby enhancing the connection strength and tightness of the core and the shell.
  • Figure 1 is a three-dimensional structure diagram of a heat exchanger in the first embodiment of the present invention
  • Figure 2 is an exploded view of the heat exchanger in the first embodiment of the present invention
  • FIG. 3 is a schematic diagram of the structure of the first body in the first embodiment of the present invention.
  • Figure 4 is an exploded view of the first current collecting component in the first embodiment of the present invention.
  • Figure 5 is an exploded view of the second current collecting assembly in the first embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a simple assembly of the first body and the second body in the second embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a simple assembly of the first body and the second body in the third embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a simple assembly of the first body and the second body in the fourth embodiment of the present invention.
  • Fig. 9 is a schematic diagram of a simple assembly of the first body and the second body in the fifth embodiment of the present invention.
  • the second body 2 The groove part 21, the bottom plate 211, the side plate 212, the arc part 2121, the second fitting part 22, the clamping edge 23, the reinforcing rib 24,
  • Heat exchange tube 31 first collecting assembly 32, collecting pipe 321, circulation plate 322, distribution channel 3221, first connecting plate 323, first heat exchange tube mounting groove 3231, second collecting assembly 33, second connection Plate 331, second heat exchange tube installation groove 3311, baffle plate 332, baffle channel 3321, sealing plate 334,
  • the connecting block 4 the first flow hole 41,
  • the heat exchanger includes a shell, the shell includes a first body 1 and a second body 2, the first body 1 is made of metal, the first body 1 is a flat plate, and the first body 1 is provided with The second flow hole 11.
  • the core includes a plurality of heat exchange tubes 31 and a first collector assembly 32.
  • the heat exchange tubes 31 form a second fluid channel inside the heat exchange tubes 31, and a first fluid channel is formed between the heat exchange tubes 31.
  • the flow assembly 32 is in communication with the heat exchange tube 31.
  • the first collection assembly 32 includes a header 321, a circulation plate 322, and a first connecting plate 323.
  • the first connecting plate 323 is provided with a plurality of first heat exchange tubes along its length.
  • the tube installation groove 3231 one end of the heat exchange tube 31 is set in the first heat exchange tube installation groove 3231, the header 321 is arranged on the side of the first connecting plate 323 away from the heat exchange tube 31, and the header 321 is along the first
  • a throttling channel is arranged in the arrangement direction of a heat exchange tube installation groove 3231, the circulation plate 322 is arranged between the header 321 and the first connecting plate 323, and the circulation plate 322 is arranged along the row of the first heat exchange tube installation groove 3231.
  • a distribution channel 3221 is provided in the cloth direction, and the throttling channel communicates with the heat exchange tube 31 through the distribution channel 3221.
  • the core further includes a second current collecting assembly 33
  • the second current collecting assembly 33 includes a second connecting plate 331, a baffle 332 and a sealing plate 334, the second connecting plate 331 along its length direction
  • a plurality of second heat exchange tube installation grooves 3311 are provided, the other end of the heat exchange tube 31 is arranged in the second heat exchange tube installation groove 3311, and the sealing plate 334 is arranged on the second connecting plate 331 away from the heat exchange tube 31.
  • the baffle 332 is provided between the sealing plate 334 and the second connecting plate 331, and the baffle 332 is provided with the second heat exchange tube installation groove 3311 along the arrangement direction of the second heat exchange tube installation groove 3311.
  • the baffle channel 3321 as shown in Figure 5, the baffle channel 3321 has a long strip shape.
  • the two rows of heat exchange tubes 31 are connected through the second connecting plate 331 to form a "U"-shaped loop. By forming a "U"-shaped loop, Improve the heat exchange efficiency of the heat exchanger.
  • the number of headers 321 is two, and the two headers 321 are arranged side by side on one side of the heat exchange tube 31, as shown in Figure 4, specifically the two headers 321 are arranged on the same
  • the plate body can be integrally formed on the plate body.
  • One header 321 serves as a channel for fluid to enter the heat exchange tube 31, and the other header 321 serves as a channel for fluid to flow out of the heat exchange tube 31.
  • the throttling channel, the first The heat pipe installation grooves 3231 are arranged in two rows, the circulation plate 322 is provided with distribution channels 3221 along the arrangement direction of the first heat exchange tube installation grooves 3231, and the distribution channels 3221 are arranged in two rows, wherein each distribution channel 3221 is arranged in two rows.
  • each distribution channel 3221 corresponds to a throttling channel, which increases the uniformity of fluid distribution and improves the heat exchange effect.
  • both sides of the second connecting plate 323 include flanges 3232.
  • the flanges 3232 can be L-shaped as shown in Fig. 4, and a U-shaped card slot is formed at the position of the flanges 3232.
  • the circulation plate The two sides of the 322 and the two sides of the plate body on which the collecting pipe 321 is arranged can be press-fitted in the flange 3232, that is, clamped in the slot formed at the position of the flange 3232, so as to improve the reliability of installation and save space.
  • the core also includes a second current collecting assembly 33, which includes a second connecting plate 331, a baffle 332, and a sealing plate 334.
  • the second connecting plate 331 is provided with a plurality of second converters along its length.
  • the heat pipe installation groove 3311, the plurality of second heat exchange pipe installation grooves 3311 are arranged in two rows, the other end of the heat exchange pipe 31 is arranged in the second heat exchange pipe installation groove 3311, and the sealing plate 334 is arranged on the second connecting plate 331
  • the baffle 332 is provided between the sealing plate 334 and the second connecting plate 331, and the baffle 332 is provided with a second heat exchange tube along the arrangement direction of the second heat exchange tube mounting groove 3311.
  • the baffle channels 3321 connected by the two heat exchange tube installation grooves 3311 are arranged in a row, thereby forming a structure of multiple rows in series. Each baffle channel 3321 corresponds to two second rows in the same row in the two rows.
  • the heat exchange tube installation groove 3311 saves the space occupied by the core body, thereby greatly reducing the volume of the heat exchanger under the premise of meeting the heat exchange efficiency.
  • both sides of the second connecting plate 331 include flanges 3312.
  • the flanges 3312 can be L-shaped as shown in Fig. 5.
  • a U-shaped slot is formed at the position of the flanges 3312.
  • the sealing plate Both sides of the 334 and the baffle 332 are press-fitted in the flange 3312, that is, clamped in the slot formed at the position of the flange 3312, so as to improve the reliability of installation and save space.
  • the second current collecting assembly 33 can be arranged in the same structure as the first current collecting assembly 32, that is, the two first current collecting assemblies 32 are respectively arranged at the two ends of the heat exchange tube 31.
  • each distribution channel 3221 can correspond to multiple first heat exchange tube installation slots 3231 in the same column, and each distribution channel 3221 can correspond to multiple throttling channels.
  • the specific corresponding relationship can be set according to specific requirements. I will not repeat them one by one.
  • the core is fixedly arranged on one side of the first body 1, the side of the first body 1 contacting the core is provided with a solder composite layer, or the side of the core contacting the first body 1 A solder composite layer is provided, or the side of the first body 1 contacting the core and the side of the core contacting the first body 1 are both provided with a solder composite layer.
  • the first body 1 is in contact with the core.
  • One side is provided with a solder composite layer as an example.
  • the core body is welded to the first body 1 through the solder conforming layer, which increases the strength of the heat exchanger and enhances the reliability of the heat exchanger.
  • the second flow hole 11 passes through the current collector.
  • the tube 321 is in communication with the second fluid channel.
  • the second flow hole 11 is provided with a flange 12 extending in the circumferential direction to the side where the core body is located, and the flange 12 extends into the header through the opening of the header 321 In 321, the flanging 12 can facilitate the positioning of the core body, reducing the risk of the core body being offset relative to the first body 1, and at the same time, it also facilitates the assembly of the core body and the first body 1.
  • the flanging 12 The outer wall in contact with the header 321 is provided with a solder composite layer, and the flange 12 can be welded to the inner side wall of the header 321 through the solder composite layer provided on the outer wall, which improves the welding strength between the core and the first body 1, and because The flange 12 and the header 321 are welded to each other, which improves the sealing performance of the second flow hole 11 and the header 321, and prevents the medium flowing through the second flow hole 11 from flowing into the second fluid of the heat exchange tube 31
  • the leakage into the first fluid passage between the heat exchange tubes 31 during the passage process further improves the heat exchange effect of the heat exchanger.
  • the heat exchanger further includes a connecting block 4, the connecting block 4 is fixedly arranged on the side of the first body 1 away from the core, and the connecting block 4 is provided with a first flow hole 41 along its thickness direction.
  • the second flow hole 11 communicates with the first flow hole 41 and the second fluid channel, that is, the first flow hole 41, the second flow hole 11, and the second fluid channel communicate in sequence, and the first body 1 and the connecting block 4
  • the contact side is provided with a solder composite layer, or the side of the connecting block 4 contacting the first body 1 is provided with a solder composite layer, or the side of the first body 1 contacting the connecting block 4 and the connecting block 4 and the first
  • the contact side of the body 1 is provided with a solder composite layer.
  • the connecting block 4 is welded to the first body 1 through the solder composite layer.
  • Strengthen the connection strength between the connecting block 4 and the first body 1 increase the sealing performance of the first flow hole 41 and the second flow hole 11, and reduce the risk of heat exchange leakage.
  • the connecting block 4 and the core body They are respectively arranged on both sides of the first body 1, and there is no need to open a receiving hole for accommodating the connecting block 4 on the first body 1, so that the core does not need to be connected to the connecting block 4 by being accommodated in the receiving hole.
  • the risk of relative movement between the core and the first body 1 caused by long-term vibration is reduced.
  • the large-aperture accommodating hole of 4 greatly reduces the difficulty of sealing and effectively reduces the risk of leakage of the heat exchanger.
  • the second body 2 has a "U"-shaped groove 21.
  • the "U” shape described herein means that the cross-section is roughly “U”.
  • the second body 2 is made of plastic material to reduce heat transfer.
  • the weight of the device the second body 2 includes a bottom plate 211, a side plate 212, the number of the side plates 212 is four, the four side plates 212 are sealed and connected end to end in sequence, and the four side plates 212 are arranged approximately vertically on the bottom plate 211, And the contact part of the side plate 212 and the bottom plate 211 is sealed, the bottom plate 211 and the side plate 212 enclose the groove 21, the shape of the one side plate 212 is set in an arc shape, and the tops of the four side plates 212 are provided with second bonding Part 22, the outer periphery of the first body 1 is provided with a first bonding part 13, the first bonding part 13 and the second bonding part 22 are bonded with glue or the like, so that the first body 1 and the second The main body
  • the two side plates 212 connected to the arc-shaped side plates 212 are respectively provided with arc-shaped portions 2121, a first channel is formed between the arc-shaped portion 2121 and the core, and the first body 1 is provided with In the second channel 17 communicating with the first channel, the two sides of the first body 1 protrude outward to form an arc-shaped portion where the second channel 17 is provided, corresponding to the arc-shaped portion 2121 of the side plate 212, and the core includes a plurality of replacements.
  • the first fluid channel is formed between the heat pipe 31 and the heat exchange tube 31, and the second channel 17 is connected to the first fluid channel through the first channel, that is, the second channel 17, the first channel, and the first fluid channel are connected in sequence, so
  • the heat exchanger further includes an external pipe 5, one end of the external pipe 5 is connected to the second channel 17 in a sealed manner.
  • the arc-shaped portion 2121 is provided here mainly to cooperate with the core to form a first channel to achieve the purpose of communicating with the first fluid channel.
  • the side plate 212 can be arranged to protrude outward, and it is not limited to be the arc-shaped portion 2121.
  • the second fluid channel in the heat exchange tube 31 can flow refrigerant
  • the first fluid channel outside the heat exchange tube 31 can flow various heat exchange fluids, such as water.
  • the second affixing portion 22 is provided with a clamping edge 23 extending along its circumference in the direction where the first body 1 is located.
  • the clamping edge 23 is continuously arranged along the open end of the second body 2.
  • the side wall of the fitting part 13 abuts against the card edge 23.
  • the second body 2 is provided with reinforcing ribs 24 on the outside to further improve the impact resistance of the heat exchanger and increase the service life of the heat exchanger.
  • the reinforcing ribs 24 are arranged in strips, and the reinforcing ribs 24 are The quantity is multiple.
  • the structure and principle of the second embodiment are basically the same as that of the first embodiment.
  • the difference is that the first body 1 and the second body 2 are connected by a buckle, that is, the first affixing portion 13 is provided with a buckle portion 14.
  • the first bonding portion 13 and the second bonding portion 22 are pressed and fixed by the buckle portion 14.
  • the first bonding portion 13 is provided with a buckle portion 14 along its circumferential direction, the number of the buckle portion 14 is multiple, and the buckle portion 14 protrudes from the first sticker along the direction where the second bonding portion 22 is located.
  • the end of the buckle portion 14 away from the first fitting portion 13 is bent inward to press against the lower surface of the second fitting portion 22
  • the above-mentioned buckle portion 14 is bent to form a straight portion 141 and a blocking portion 142, and the straight portion 141 and the blocking portion 142 are perpendicular.
  • first bonding part 13 or the second bonding part 22 is One of the parts 22 is provided with a sealing groove for accommodating a sealing ring or a gasket, which facilitates the sealing of the first bonding part 13 and the second bonding part 22, or both the first bonding part 13 and the second bonding part 22
  • a sealing groove for placing a sealing gasket or a sealing ring is provided, and the sealing groove on the first bonding portion 13 and the sealing groove on the second bonding portion 22 are arranged in an offset manner, for example, the first bonding portion 13 and the second bonding portion 22
  • the sealing groove on the first affixing portion 13 is located on the inner ring of the sealing groove of the second affixing portion 22 to form a multi-stage seal and improve the sealing performance of the heat exchanger.
  • the structure and principle of the third embodiment is basically the same as that of the second embodiment.
  • the difference is that the first affixing portion 13 is provided with a clamping edge 23 extending in the circumferential direction of the second body 2 in the direction where the second body 2 is located, and the clamping portion 14 It is in the shape of " ⁇ ".
  • the first affixing portion 13 is provided with a clamping edge 23 extending in the direction in which the second body 2 is located along its circumference.
  • the side wall of the second affixing portion 22 abuts against the clamping edge 23, and the clamping portion 14
  • One end of the buckle is connected with the free end of the clamping edge 23.
  • the structure and principle of the fourth embodiment is basically the same as that of the third embodiment. The difference is that: the first body 1 includes a "U"-shaped slot 16, and the second affixing portion 22 is accommodated in the slot 16, which is buckled One end of the portion 14 is connected to the free end of the card slot 16.
  • the first body 1 is a flat plate
  • the second body 2 has a "U"-shaped groove portion 21, the open end of the groove portion 21 extends outward to form a second fitting portion 22
  • the first body 1 includes
  • the "U"-shaped card slot 16 and the first body portion 15 are provided with a first extension portion 161 extending along the circumferential direction away from the direction where the first cavity is located, and the first extension portion 161 is along its circumferential direction.
  • a second extension portion 162 is provided extending outward
  • a third extension portion 163 is provided along the circumferential direction of the second extension portion 162 extending in the direction where the first cavity is located.
  • the extension portions 163 jointly form the card slot 16, and the second affixing portion 22 is accommodated in the slot 16, that is, two side walls of the second affixing portion 22 abut against the first extension portion 161 and the third extension wall, respectively,
  • the top wall of the second fitting portion 22 abuts against the second extension portion 162
  • one end of the snap portion 14 is connected to the end of the third extension portion 163 away from the second extension portion 162 and the number of the snap portion 14 is multiple
  • the plurality of buckle portions 14 are arranged along the circumferential direction of the third extension portion 163.
  • the buckle portion 14 After the connection between the buckle portion 14 and the third extension portion 163 is bent, the buckle portion 14 is pressed against the lower surface of the second abutment portion 22 So that the second fitting portion 22 and the third extension portion 163 are compressed and fixed, that is, the buckle portion 14 is pressed against the second fitting portion 22 so that the second fitting portion 22 is compressed and fixed in the groove 16 Inside, by setting the card slot 16, it is convenient to assemble the first body 1 and the second body 2.
  • the structure and principle of the fifth embodiment are basically the same as that of the first embodiment. The difference is that: the second body 2 is provided with a buckle portion 14 which clamps the first fitting portion 13 and the second fitting portion 22 .
  • the second body 2 further includes a buckle portion 14 which is arranged along the circumferential direction of the second fitting portion 22.
  • the buckle portion 14 includes a straight portion 142 and a blocking portion 141, one end of the straight portion 142 Connected to the second body 2, the other end of the straight portion 142 is provided with a blocking portion 141 extending in the direction where the first cavity is located.
  • the side wall of the blocking portion 141 is inclined.
  • the first body 1 is placed on the inclined side wall. The first body 1 applies pressure, and the first body 1 moves in the direction where the first cavity is located. Since the material of the buckle portion 14 is plastic, the straight portion 142 will bend outward under the squeeze of the first body 1.
  • the straight portion 142 returns to its original shape due to its own resilience.
  • the lower surface of the blocking portion 141 contacts the upper surface of the first bonding portion 13 and presses the second A bonding portion 13 is used to compress and fix the first bonding portion 13 and the second bonding portion 22.
  • the first body 1 has a "U"-shaped groove portion 21, and the second body 2 also has a "U”-shaped groove portion 21.
  • the open end of the groove portion 21 of the first body 1 and the second body 2 The open ends of the groove portions 21 are opposite and connected and the joints are sealed; or, the first body 1 has a "U"-shaped groove portion 21, the second body 2 is a flat plate, and the second body 2 covers the first body
  • the present invention also provides a method for assembling a heat exchanger, which is suitable for the above-mentioned heat exchanger, and the steps are as follows:
  • the first body 1 and the second body 2 are hermetically connected.
  • Both the core body and the connecting block 4 are welded to the first body 1 and become a whole after welding, which can be directly assembled with the second body 2, which saves assembly procedures and saves costs.

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Abstract

一种换热器，该换热器包括壳体以及容置于壳体内的芯体，所述壳体包括第一本体（1）和第二本体（2），所述第一本体（1）为金属材质，所述第二本体（2）为塑料材质，所述第一本体（1）与所述第二本体（2）连接形成有第一腔；所述芯体容置于所述第一腔，所述芯体与所述第一本体（1）固定连接，所述芯体包括多个换热管（31），所述换热管（31）之间形成第一流体通道，所述换热管（31）内部形成第二流体通道；所述换热器还包括连接块（4），所述连接块（4）与所述第一本体（1）固定且所述连接块（4）位于所述第一腔外，所述连接块（4）设置有第一过流孔（41），所述第一本体（1）设置有第二过流孔（11），所述第二过流孔（11）连通所述第一过流孔（41）与所述第二流体通道，增强所述芯体与所述第一腔的连接强度。

Description

一种换热器及其装配方法
本申请要求于2019年12月12日提交中国专利局、申请号为201911271952.6、发明名称为“一种换热器及其装配方法”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及热交换技术领域，特别是涉及一种换热器及其装配方法。
背景技术
在一些高压换热器中连接块与换热芯体一体成型后设置在壳体的腔体内，在壳体设置有一容置孔，连接块一部分穿过容置孔后伸入腔体内部，一部分位于壳体外部，并且通过在连接块与容置孔之间设置有密封结构以对所述腔体进行密封。而且为了使得换热芯体能够容置于腔体内，壳体会分为上下两部分，也需要在上下两部分之间设置密封结构。
发明内容
本发明的目的是提供一种换热器，包括：
壳体以及容置于壳体内的芯体，所述壳体包括第一本体和第二本体，所述第一本体为金属材质，所述第二本体为塑料材质，所述第一本体与所述第二本体连接形成有第一腔；所述芯体容置在于所述第一腔，所述芯体与所述第一本体固定连接，所述换热器在所述第一腔内形成第一流体通道，所述换热管内部形成第二流体通道，所述第一流体通道与所述第二流体通道不连通；所述换热器还包括连接块，所述连接块与所述第一本体固定且 所述连接块位于所述第一腔外，所述连接块设置有第一过流孔，所述第一本体设置有第二过流孔，所述第二过流孔连通所述第一过流孔与所述第二流体通道。
本发明的换热器，包括芯体，壳体，连接块，壳体内形成有第一腔，连接块与壳体固定且连接块设置在所述第一腔外，所述芯体固定设置在所述第一腔内，所述第一过流孔通过所述第二过流孔与所述换热管连通，增强芯体与壳体的连接强度和密封性。
附图说明
图1是本发明实施例一中的换热器的立体结构图；
图2是本发明实施例一中的换热器的***图；
图3是本发明实施例一中的第一本体的结构示意图；
图4是本发明实施例一中的第一集流组件的***图；
图5是本发明实施例一中的第二集流组件的***图；
图6是本发明实施例二中的第一本体与第二本体的简易装配示意图；
图7是本发明实施例三中的第一本体与第二本体的简易装配示意图；
图8是本发明实施例四中的第一本体与第二本体的简易装配示意图；
图9是本发明实施例五中的第一本体与第二本体的简易装配示意图。
附图标记：
第一本体1，第二过流孔11，翻边12，第一贴合部13，卡扣部14，直部141，阻挡部142，第一本体部15，卡槽16，第一延伸部161，第二延伸部162，第三延伸部163，第二孔道17，
第二本体2，凹槽部21，底板211，侧板212，弧形部2121，第二贴 合部22，卡边23，加强筋24，
换热管31，第一集流组件32，集流管321，流通板322，分配通道3221，第一连接板323，第一换热管安装槽3231，第二集流组件33，第二连接板331，第二换热管安装槽3311，折流板332，折流通道3321，封板334，
连接块4，第一过流孔41，
外接管5。
具体实施方式
实施例一：
请参考图2、3，换热器包括壳体，壳体包括第一本体1与第二本体2，第一本体1为金属材质，第一本体1为平板状，第一本体1上设置有第二过流孔11。
参考图2、图4，芯体包括多根换热管31、第一集流组件32，换热管31内部形成第二流体通道，换热管31之间形成第一流体通道，第一集流组件32与换热管31连通，第一集流组件32包括集流管321、流通板322以及第一连接板323，第一连接板323沿其长度方向上设置有多个第一换热管安装槽3231，换热管31的一端设置在第一换热管安装槽3231内，集流管321设置在第一连接板323的远离换热管31的一侧，集流管321沿第一换热管安装槽3231的排布方向上设置有节流通道，流通板322设置在集流管321与第一连接板323之间，流通板322沿第一换热管安装槽3231的排布方向上设置有分配通道3221，节流通道通过分配通道3221与换热管31连通。
参考图2、图5，芯体还包括第二集流组件33，第二集流组件33包括 第二连接板331、折流板332以及封板334，第二连接板331沿其长度方向上设置有多个第二换热管安装槽3311，换热管31的另一端设置在第二换热管安装槽3311内，封板334设置在第二连接板331的远离换热管31的一侧，折流板332设置在封板334与第二连接板331之间，折流板332上沿第二换热管安装槽3311的排布方向设置有与第二换热管安装槽3311连通的折流通道3321，如图5所示，折流通道3321呈长条形，通过第二连接板331连通两列换热管31，形成“U”形回路，通过形成“U”形回路，提高换热器的换热效率。
参考图4-5，集流管321的数量为两个，两个集流管321并排设置在换热管31的一侧，如图4所示，具体是两个集流管321设于同一板体，可以一体成型于该板体，其中一个集流管321作为流体进入换热管31的通道，另一集流管321作为流体流出换热管31的通道，节流通道、第一换热管安装槽3231均设置为两列，流通板322沿第一换热管安装槽3231的排布方向上设置有分配通道3221，分配通道3221设置为两列，其中，每一个分配通道3221均对应一个第一换热管安装槽3231，每一个分配通道3221均对应于一个节流通道，增加流体分配的均匀性，提高换热效果。如图4所示，第二连接板323的两侧包括翻边3232，翻边3232可以是图4所示的L形，则在翻边3232的位置形成U形卡槽，安装时，流通板322的两侧、设置集流管321的板体的两侧，可以压装在翻边3232内，即卡压在翻边3232位置形成的卡槽内，以提高安装的可靠性和节省空间。
芯体还包括第二集流组件33，第二集流组件33包括第二连接板331、折流板332以及封板334，第二连接板331沿其长度方向上设置有多个第 二换热管安装槽3311，多个第二换热管安装槽3311设置为两列，换热管31的另一端设置在第二换热管安装槽3311内，封板334设置在第二连接板331的远离换热管31的一侧，折流板332设置在封板334与第二连接板331之间，折流板332上沿第二换热管安装槽3311的排布方向设置有与第二换热管安装槽3311连通的折流通道3321，折流通道3321设置为一列，从而形成多排串联的结构，其中每一个折流通道3321对应于两列中处于同一排的两个第二换热管安装槽3311，节省芯体占用的空间，从而在满足换热效率的前提下，大大减小换热器的体积。如图5所示，第二连接板331的两侧包括翻边3312，翻边3312可以是图5所示的L形，则在翻边3312的位置形成U形卡槽，安装时，封板334的两侧、折流板332的两侧，均压装于翻边3312内，即卡压在翻边3312位置形成的卡槽内，以提高安装的可靠性和节省空间。
当然，第二集流组件33可以设置成和第一集流组件32相同的结构，也即两个第一集流组件32分别设置在换热管31的两端。
当然，每一个分配通道3221可对应同一列的多个第一换热管安装槽3231，每一个分配通道3221可对应于多个节流通道，具体的对应关系可根据具体需求进行设置，此处不再一一赘述。
参考图2-图3，芯体固定设置在第一本体1的一侧，第一本体1的与芯体接触的一侧设置有焊料复合层，或者芯体与第一本体1接触的一侧设置有焊料复合层，或者第一本体1的与芯体接触的一侧和芯体与第一本体1接触的一侧均设置有焊料复合层，此处以第一本体1的与芯体接触的一侧设置有焊料复合层为例，芯体通过焊料符合层焊接在第一本体1上，增 加了换热器的强度，增强了换热器的可靠性，第二过流孔11通过集流管321与第二流体通道连通，进一步地，第二过流孔11沿其周向向芯体所在侧延伸设置有翻边12，翻边12通过集流管321的开口伸入到集流管321内，翻边12可便于芯体的定位，降低芯体相对于第一本体1偏移的风险，同时，也方便了芯体与第一本体1的装配，更进一步地，翻边12的与集流管321接触的外壁设置有焊料复合层，翻边12可通过其外壁设置的焊料复合层与集流管321的内侧壁焊接，提高芯体与第一本体1的焊接强度，且由于翻边12与集流管321彼此焊接，提高了第二过流孔11与集流管321的密封性，防止流经第二过流孔11的介质在流入至换热管31的第二流体通道的过程中泄露到换热管31之间的第一流体通道内，进一步提高换热器的换热效果。
参考图1-图2，换热器还包括连接块4，连接块4固定设置在第一本体1远离芯体的一侧，连接块4沿其厚度方向上设置有第一过流孔41，第二过流孔11连通第一过流孔41与第二流体通道，也即，第一过流孔41、第二过流孔11和第二流体通道依次连通，第一本体1与连接块4接触的一侧设置有焊料复合层，或者连接块4与第一本体1接触的一侧设置有焊料复合层，或者第一本体1与连接块4接触的一侧和连接块4与第一本体1接触的一侧均设置有焊料复合层，此处以连接块4与第一本体1接触的一侧设置有焊料复合层为例，连接块4通过焊料复合层焊接在第一本体1上，增强连接块4与第一本体1的连接强度，增加了第一过流孔41与第二过流孔11的密封性，减小换热外漏的风险，同时，由于连接块4与芯体分别设置在第一本体1的两侧，不需要在第一本体1上开设有容置连接块4的容 置孔，从而芯体不需要通过连接块4容置在容置孔内而连接在第一本体1内，降低因长期震动引起芯体与第一本体1产生相对运动的风险，同时，由于第一本体1设置小孔径的第二过流孔11，而不需要设置容置连接块4的大孔径容置孔，大大降低了密封的难度，有效降低换热器外漏的风险。
参考图1-图2，第二本体2具有“U”形的凹槽部21，本文所述“U”形是指截面大致呈“U”形，第二本体2为塑料材质，降低换热器的重量，第二本体2包括底板211、侧板212，侧板212的数量为4个，4个侧板212首尾依次密封连接，且4个侧板212近似垂直地设置在底板211上，且侧板212与底板211接触的部分密封，底板211和侧板212围成凹槽部21，其中一侧板212的形状设置成弧形，4个侧板212的顶部设置有第二贴合部22，第一本体1的外周设置有第一贴合部13，第一贴合部13与第二贴合部22贴合后使用胶水等进行粘结，从而使第一本体1和第二本体2连接以形成第一腔，芯体设置在第一腔内，且集流管321紧临弧形的侧板212设置，当然，侧板212的数量可以为其他，可根据需求进行设置，进一步地，第一贴合部13与第一本体1一体成型，也即第一贴合部13为第一本体1的外周部分。
参考图1-图2，与弧形的侧板212相连接的两侧板212上分别设置有弧形部2121，弧形部2121与芯体之间形成第一孔道，第一本体1设置有与第一孔道连通的第二孔道17，第一本体1的两侧向外凸出形成设置第二孔道17的弧形部，与侧板212的弧形部2121对应，芯体包括多个换热管31，换热管31之间形成第一流体通道，第二孔道17通过第一孔道与第一流体通道连通，也即第二孔道17、第一孔道、第一流体通道依次连通，所 述换热器还包括外接管5，外接管5的一端与第二孔道17密封连接。这里设置弧形部2121主要是为了和芯体配合形成第一孔道，以达到连通第一流体通道的目的，侧板212向外凸出设置即可，不限于设为弧形部2121。作为示例性说明，换热管31内的第二流体通道可以流制冷剂，换热管31外的第一流体通道可以流各种换热流体，比如水等。
进一步地，参考图2，第二贴合部22沿其周向向第一本体1所在的方向上延伸设置有卡边23，卡边23沿着第二本体2的开口端连续设置，第一贴合部13的侧壁与卡边23抵靠，第一本体1和第二本体2装配时，第一贴合部13可沿着卡边23向靠近第二贴合部22所在的方向移动，直至第一贴合部13和第二贴合部22贴合，方便了第一本体1和第二本体2的安装对位，且卡边23的设置减小了溢胶的可能性。
参考图1-图2，第二本体2外侧设置有加强筋24，以进一步提高换热器的耐冲击性能，以提高换热器的使用寿命，加强筋24设置为条状，加强筋24的数量为多个。
实施例二：
实施例二与实施例一的结构和原理基本相同，其不同之处在于：第一本体1和第二本体2通过卡扣进行连接，也即，第一贴合部13设置卡扣部14，第一贴合部13与第二贴合部22通过卡扣部14压紧且固定。
参考图6，第一贴合部13沿其周向设置有卡扣部14，卡扣部14的数量为多个，卡扣部14沿第二贴合部22所在的方向凸出第一贴合部13，第一贴合部13和第二贴合部22对齐后，卡扣部14的远离第一贴合部13的端部向内弯折压紧第二贴合部22的下表面以使第一贴合部13和第二贴合 部22压紧且固定，上述卡扣部14通过折弯形成直部141和阻挡部142，直部141和阻挡部142垂直，这里应当说明，“垂直”并非指完全数学意义上的垂直，也包括大致垂直、具有垂直的趋势等，直部141抵靠第二贴合部22的侧壁，阻挡部142抵紧第二贴合部22的下表面以使第一贴合部13和第二贴合部22压紧且固定，将第一本体1与第二本体2设置为可拆卸的连接，便于换热器后期的清洗和维护。
进一步地，在第一贴合部13和第二贴合部22之间设置密封垫或者密封圈，提高换热器的密封性，更进一步地，在第一贴合部13或者第二贴合部22之一设置有容置密封圈或者密封垫的密封槽，便于第一贴合部13和第二贴合部22的密封，或者在第一贴合部13和第二贴合部22均设置有放置密封垫或者密封圈的密封槽，第一贴合部13上的密封槽与第二贴合部22上的密封槽错位设置，例如第一贴合部13与第二贴合部22对齐并压紧后，第一贴合部13上的密封槽位于第二贴合部22的密封槽的内圈，以形成多级密封，提高换热器的密封性。
实施例三：
实施例三与实施例二的结构和原理基本相同，其不同之处在于：第一贴合部13沿其周向向第二本体2所在的方向上延伸设置有卡边23，卡扣部14为“一”字形。
参考图7，第一贴合部13沿其周向向第二本体2所在的方向上延伸设置有卡边23，第二贴合部22的侧壁与卡边23抵靠，卡扣部14的一端与卡边23的自由端连接，第一贴合部13和第二贴合部22对齐后，卡扣部14与卡边23的连接处弯折后，卡扣部14压紧第二贴合部22的下表面以 使第一贴合部13和第二贴合部22压紧且固定，通过设置卡边23，提高第一本体1的强度。
实施例四：
实施例四与实施例三的结构和原理基本相同，其不同之处在于：第一本体1包括“U”形的卡槽16，第二贴合部22容置在卡槽16内，卡扣部14的一端与卡槽16的自由端连接。
参考图8，第一本体1为平板状，第二本体2具有“U”形的凹槽部21，凹槽部21的开口端向外延伸形成第二贴合部22，第一本体1包括“U”形的卡槽16以及第一本体部15，第一本体部15沿其周向向远离第一腔所在的方向延伸设置有第一延伸部161，第一延伸部161沿其周向向外延伸设置有第二延伸部162，第二延伸部162沿其周向向第一腔所在的方向延伸设置有第三延伸部163，第一延伸部161、第二延伸部162和第三延伸部163共同形成卡槽16，第二贴合部22容置在卡槽16内，即，第二贴合部22的两侧壁分别与第一延伸部161和第三延伸壁抵靠，第二贴合部22的顶壁与第二延伸部162抵靠，卡扣部14的一端与第三延伸部163的远离第二延伸部162的一端连接，卡扣部14的数量为多个，多个卡扣部14沿第三延伸部163的周向设置，卡扣部14与第三延伸部163的连接处弯折后，卡扣部14压紧第二贴合部22的下表面以使第二贴合部22和第三延伸部163压紧且固定，也即，卡扣部14抵紧第二贴合部22以使第二贴合部22压紧且固定在卡槽16内，通过设置卡槽16，便于第一本体1和第二本体2的装配。
实施例五：
实施例五与实施例一的结构和原理基本相同，其不同之处在于：第二本体2上设置卡扣部14，卡扣部14卡紧第一贴合部13和第二贴合部22。
参考图9，第二本体2还包括卡扣部14，卡扣部14沿着第二贴合部22的周向设置，卡扣部14包括直部142和阻挡部141，直部142的一端与第二本体2连接，直部142的另一端向第一腔所在的方向延伸设置有阻挡部141，阻挡部141的侧壁倾斜设置，第一本体1放置在倾斜的侧壁上，通过对第一本体1施加压力，第一本体1向第一腔所在的方向运动，由于卡扣部14的材质为塑料，直部142会在第一本体1的挤压下向外弯折，第一贴合部13和第二贴合部22接触时，直部142由于其自身的回弹力回复原状，此时，阻挡部141的下表面与第一贴合部13的上表面接触并压紧第一贴合部13以使第一贴合部13和第二贴合部22压紧且固定。
当然，第一本体1具有“U”形的凹槽部21，第二本体2也具有“U”形的凹槽部21，第一本体1的凹槽部21的开口端与第二本体2的凹槽部21的开口端相对并连接并且连接处密封设置；或者，第一本体1具有“U”形的凹槽部21，第二本体2为平板状，第二本体2盖合在第一本体1的凹槽部21的开口端并且连接处密封设置也是可行的，与上述实施例的结构和原理基本相同，此处不再一一赘述。
本发明还提供一种换热器的装配方法，该方法适用于上述的换热器，其步骤如下：
对齐第一过流孔41、第二过流孔11和第二流通通道以使第二过流孔11连通第一过流孔41和第二流体通道后，用夹具夹紧连接块4、第一本体1和芯体；
将夹紧后的连接块4、第一本体1和芯体放入炉中进行焊接；
密封连接第一本体1和第二本体2。
芯体和连接块4均与第一本体1焊接，焊接后成为一个整体，直接与第二本体2进行装配即可，节省了组装工序，节约成本。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (15)

  1. 一种换热器，包括壳体以及容置于壳体内的芯体，其特征在于，所述壳体包括第一本体和第二本体，所述第一本体为金属材质，所述第二本体为塑料材质，所述第一本体与所述第二本体连接形成有第一腔；
    所述芯体容置于所述第一腔，所述芯体与所述第一本体固定连接，所述芯体包括多个换热管，多个所述换热管层叠设置，所述换热管之间形成第一流体通道，所述换热管内部形成第二流体通道，所述第一流体通道与所述第二流体通道不连通；
    所述换热器还包括连接块，所述连接块与所述第一本体固定且所述连接块位于所述第一腔外，所述连接块设置有第一过流孔，所述第一本体设置有第二过流孔，所述第二过流孔连通所述第一过流孔与所述第二流体通道。
  2. 根据权利要求1所述的换热器，其特征在于，所述第一本体为平板状，所述第二本体具有“U”形的凹槽部，所述第一本体盖合在所述第二本体的凹槽部的开口端并且连接处密封设置；
    或者，所述第一本体具有“U”形的凹槽部，所述第二本体也具有“U”形的凹槽部，所述第一本体的凹槽部的开口端与所述第二本体的凹槽部的开口端相对并连接并且连接处密封设置；
    或者，所述第一本体具有“U”形的凹槽部，所述第二本体为平板状，所述第二本体盖合在所述第一本体的凹槽部的开口端并且连接处密封设置。
  3. 根据权利要求2所述的换热器，其特征在于，所述第一本体包括第 一贴合部，所述第二本体包括第二贴合部，所述第一贴合部与所述第二贴合部连接。
  4. 根据权利要求3所述的换热器，其特征在于，所述第二贴合部沿其周向向所述第一本体所在的方向上延伸设置有卡边，所述第一贴合部的侧壁与所述卡边抵靠。
  5. 根据权利要求3所述的换热器，其特征在于，所述第一本体还包括卡扣部，所述卡扣部的一端与所述第一贴合部连接，所述卡扣部的至少一部分与所述第二贴合部抵紧以使所述第一贴合部和所述第二贴合部压紧且固定。
  6. 根据权利要求5所述的换热器，其特征在于，所述卡扣部包括直部和阻挡部，所述直部的一端与所述第一贴合部连接，所述直部的另一端与所述阻挡部的一端连接，所述直部和阻挡部垂直，所述直部抵靠所述第二贴合部的侧壁，所述阻挡部抵紧所述第二贴合部以使所述第一贴合部和所述第二贴合部压紧且固定。
  7. 根据权利要求5所述的换热器，其特征在于，所述第一贴合部沿其周向向所述第二本体所在的方向上延伸设置有卡边，所述第二贴合部的侧壁与所述卡边抵靠，所述卡扣部的一端与所述卡边的自由端连接，所述卡扣部抵紧所述第二贴合部以使所述第一贴合部和所述第二贴合部压紧且固定。
  8. 根据权利要求2所述的换热器，其特征在于，所述第一本体为平板状，所述第二本体具有“U”形的凹槽部，所述凹槽部的开口端向外延伸形成第二贴合部，所述第一本体包括“U”形的卡槽，所述第二贴合部容 置在所述卡槽内，所述卡扣部的一端与所述卡槽的自由端连接，所述卡扣部抵紧所述第二贴合部以使所述第二贴合部压紧且固定在所述卡槽内。
  9. 根据权利要求8所述的换热器，其特征在于，所述第一本体包括第一本体部，所述第一本体部沿其周向向远离所述第一腔所在的方向延伸设置有第一延伸部，所述第一延伸部沿其周向向外延伸设置有第二延伸部，所述第二延伸部沿其周向向所述第一腔所在的方向延伸设置有第三延伸部，所述第一延伸部、所述第二延伸部和所述第三延伸部共同形成所述卡槽。
  10. 根据权利要求3所述的换热器，其特征在于，所述第二本体还包括卡扣部，所述卡扣部的材质为塑料，所述卡扣部包括直部和阻挡部，所述直部的一端与所述第二本体连接，所述直部的另一端向第一腔所在的方向延伸设置有阻挡部，所述阻挡部抵紧所述第一贴合部以使所述第一贴合部和所述第二贴合部压紧且固定。
  11. 根据权利要求1-10任一项所述的换热器，其特征在于，所述芯体包括集流管，所述第二过流孔通过所述集流管与所述换热管连通，所述第二过流孔向所述芯体所在侧延伸设置有翻边，所述翻边通过所述集流管的开口伸入到所述集流管内。
  12. 根据权利要求1-10任一项所述的换热器，其特征在于，所述芯体包括第一集流组件，所述第一集流组件包括集流管、流通板以及第一连接板，所述第一连接板沿其长度方向设有多个第一换热管安装槽，所述换热管的一端设置在所述第一换热管安装槽，所述集流管设置在所述第一连接板远离所述换热管的一侧，所述流通板设置在所述集流管与所述第一连接 板之间，所述流通板沿第一换热管安装槽的排布方向上设置有分配通道；
    所述集流管设置于板体，所述第一连接板的两侧设有翻边，所述流通板的两侧、所述板体的两侧均压装于所述翻边内。
  13. 根据权利要求1-10任一项所述的换热器，其特征在于，所述芯体包括第二集流组件，所述第二集流组件包括封板、折流板以及第二连接板，所述第二连接板沿其长度方向设有多个第二换热管安装槽，所述换热管的一端设置在所述第二换热管安装槽，所述封板设置在所述第二连接板远离所述换热管的一侧，所述折流板设置在所述封板与所述第二连接板之间，所述折流板沿第二换热管安装槽的排布方向上设置与所述第二换热管安装槽连通的折流通道，以形成U形回路；
    所述第二连接板的两侧设有翻边，所述折流板的两侧、所述封板的两侧均压装于所述翻边内。
  14. 根据权利要求2-10任一项所述的换热器，其特征在于，所述第一本体和所述第二本体中一者设有所述“U”形凹槽部，且其侧板设置外凸的弧形部，所述弧形部与所述芯体之间形成第一孔道，所述第一本体和所述第二本体中另一者设有与所述第一孔道连通的第二孔道。
  15. 一种换热器的装配方法，其特征在于，所述换热器为根据权利要求1-10中任一项所述的换热器，所述换热器的装配方法包括：
    对齐所述第一过流孔、所述第二过流孔和所述第二流通通道以使所述第二过流孔连通所述第一过流孔和所述第二流体通道后，用夹具夹紧所述连接块、所述第一本体和所述芯体；
    将夹紧后的所述连接块、所述第一本体和所述芯体放入炉中进行焊接；
    密封连接所述第一本体和第二本体。
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