CN113280675A - Heat exchanger and assembling method thereof - Google Patents

Heat exchanger and assembling method thereof Download PDF

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Publication number
CN113280675A
CN113280675A CN202010105286.5A CN202010105286A CN113280675A CN 113280675 A CN113280675 A CN 113280675A CN 202010105286 A CN202010105286 A CN 202010105286A CN 113280675 A CN113280675 A CN 113280675A
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CN
China
Prior art keywords
attaching
heat exchanger
attaching portion
groove
extending
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Pending
Application number
CN202010105286.5A
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Chinese (zh)
Inventor
不公告发明人
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Zhejiang Sanhua Automotive Components Co Ltd
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Zhejiang Sanhua Automotive Components Co Ltd
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Application filed by Zhejiang Sanhua Automotive Components Co Ltd filed Critical Zhejiang Sanhua Automotive Components Co Ltd
Priority to CN202010105286.5A priority Critical patent/CN113280675A/en
Publication of CN113280675A publication Critical patent/CN113280675A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081Heat exchange elements made from metals or metal alloys
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F11/00Arrangements for sealing leaky tubes and conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators

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

Abstract

The invention provides a heat exchanger. The heat exchanger comprises a shell and a core body accommodated in the shell, wherein the shell comprises a first body and a second body, the first body is made of metal, the second body is made of plastic, and a first cavity is formed by connecting the first body and the second body; the core body is accommodated in the first cavity and fixedly connected with the first body, the core body comprises a plurality of heat exchange tubes, a first fluid channel is formed among the heat exchange tubes, and a second fluid channel is formed inside the heat exchange tubes; the heat exchanger further comprises a connecting block, the connecting block is fixed with the first body and located outside the first cavity, the connecting block is provided with a first overflowing hole, the first shell is provided with a second overflowing hole, and the second overflowing hole is connected with the first overflowing hole and the second fluid channel. And the connection strength of the core body and the first cavity is enhanced.

Description

Heat exchanger and assembling method thereof
Technical Field
The invention relates to the technical field of heat exchange, in particular to a heat exchanger and an assembling method thereof.
Background
In some high-pressure heat exchangers, a connecting block and a heat exchange core are integrally formed and then arranged in a cavity of a shell, the shell is provided with an accommodating hole, one part of the connecting block penetrates through the accommodating hole and then extends into the cavity, the other part of the connecting block is positioned outside the shell, and a sealing structure is arranged between the connecting block and the accommodating hole so as to seal the cavity. In addition, in order to accommodate the heat exchange core in the cavity, the shell is divided into an upper part and a lower part, and a sealing structure is also required to be arranged between the upper part and the lower part.
Disclosure of Invention
The object of the present invention is to provide a heat exchanger comprising:
the shell comprises a first body and a second body, wherein the first body is made of metal, the second body is made of plastic, and a first cavity is formed by connecting the first body and the second body; the core body is accommodated in the first cavity, the core body is fixedly connected with the first body, the heat exchanger forms a first fluid channel in the first cavity, a second fluid channel is formed in the heat exchange tube, and the first fluid channel is not communicated with the second fluid channel; the heat exchanger further comprises a connecting block, the connecting block is fixed with the first body and located outside the first cavity, the connecting block is provided with a first overflowing hole, the first shell is provided with a second overflowing hole, and the second overflowing hole is connected with the first overflowing hole and the second fluid channel.
The heat exchanger comprises a core body, a shell and a connecting block, wherein a first cavity is formed in the shell, the connecting block is fixed with the shell and is arranged outside the first cavity, the core body is fixedly arranged in the first cavity, and a first overflowing hole is communicated with a heat exchange tube through a second overflowing hole, so that the connecting strength and the sealing property of the core body and the shell are enhanced.
Drawings
Fig. 1 is a perspective view of a heat exchanger according to a first embodiment of the present invention;
FIG. 2 is an exploded view of a heat exchanger according to a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a first body according to a first embodiment of the invention;
fig. 4 is an exploded view of a first current collection assembly according to a first embodiment of the present invention;
fig. 5 is an exploded view of a second current collection assembly according to a first embodiment of the invention;
fig. 6 is a simplified assembly diagram of the first body and the second body according to the second embodiment of the present invention;
fig. 7 is a simplified assembly diagram of the first body and the second body according to the third embodiment of the present invention;
fig. 8 is a simplified assembly diagram of the first body and the second body according to the fourth embodiment of the present invention;
fig. 9 is a schematic view illustrating a simple assembly of the first body and the second body according to the fifth embodiment of the invention.
Reference numerals:
a first body 1, a second overflowing hole 11, a flange 12, a first attaching part 13, a buckling part 14, a straight part 141, a blocking part 142, a first body part 15, a clamping groove 16, a first extending part 161, a second extending part 162, a third extending part 163 and a second duct 17,
a second body 2, a groove part 21, a bottom plate 211, a side plate 212, an arc part 2121, a second attaching part 22, a clamping edge 23, a reinforcing rib 24,
the heat exchange tube 31, the first collecting block 32, the collecting main 321, the flow plate 322, the distribution passage 3221, the first connection plate 323, the first heat exchange tube installation groove 3231, the second collecting block 33, the second connection plate 331, the second heat exchange tube installation groove 3311, the baffle plate 332, the baffle passage 3321, the closing plate 334,
the flow of the connecting block 4, the first overflowing hole 41,
an outer connecting pipe 5.
Detailed Description
The first embodiment is as follows:
referring to fig. 3, the heat exchanger includes a housing, the housing includes a first body 1 and a second body 2, the first body 1 is made of metal, the first body 1 is flat, and the first body 1 is provided with a second overflowing hole 11.
Referring to fig. 2 and 4, the core includes a heat exchange tube 31 and a first collecting assembly 32, a second fluid channel is formed inside the heat exchange tube 31, the first collecting assembly 32 is communicated with the heat exchange tube 31, the first collecting assembly 32 includes a collecting pipe 321, a flow pipe 322 and a first connecting plate 323, the first connecting plate 323 is provided with a plurality of first heat exchange tube mounting grooves 3231 along a length direction thereof, one end of the heat exchange tube 31 is disposed in the first heat exchange tube mounting groove 3231, the collecting pipe 321 is disposed on a side of the first connecting plate 323 away from the heat exchange tube 31, the collecting pipe 321 is provided with a throttling channel along an arrangement direction of the first heat exchange tube mounting groove 3231, the flow pipe 322 is disposed between the collecting pipe 321 and the first connecting plate 323, the flow pipe 322 is provided with a distribution channel 3221 along the arrangement direction of the first heat exchange tube 3231, and the throttling channel is communicated with the heat exchange tube 31 through a distribution channel 3221.
Referring to fig. 2 and 5, the core further includes a second collecting assembly 33, the second collecting assembly 33 includes a second connecting plate 331, a baffle plate 332 and a sealing plate 334, the second connecting plate 331 is provided with a plurality of second heat exchange tube mounting grooves 3311 along a length direction thereof, the other end of the heat exchange tube 31 is disposed in the second heat exchange tube mounting groove 3311, the sealing plate 334 is disposed on a side of the second connecting plate 331 away from the heat exchange tube 31, the baffle plate 332 is disposed between the sealing plate 334 and the second connecting plate 331, the baffle plate 332 is provided with a baffle channel 3321 communicating with the second heat exchange tube mounting groove 3311 along a distribution direction of the second heat exchange tube mounting groove 3311, and heat exchange efficiency of the heat exchanger is improved by forming a "U" loop.
Referring to fig. 4 to 5, the number of the collecting pipes 321 is two, two collecting pipes 321 are arranged side by side at one side of the heat exchange tube 31, one collecting pipe 321 is used as a passage for fluid to enter the heat exchange tube 31, the other collecting pipe 321 is used as a passage for fluid to flow out of the heat exchange tube 31, the throttling passages and the first heat exchange tube installation grooves 3231 are both arranged in two rows, the flow plate 322 is provided with distribution passages 3221 along the arrangement direction of the first heat exchange tube installation grooves 3231, the distribution passages 3221 are arranged in two rows, each distribution passage 3221 corresponds to one throttling passage, the uniformity of fluid distribution is increased, the heat exchange effect is improved, the core further comprises a second collecting assembly 33, the second collecting assembly 33 comprises a second connecting plate 331, a baffle plate 332 and a sealing plate 334, the second connecting plate 331 is provided with a plurality of second heat exchange tube installation grooves 3311 along the length direction thereof, a plurality of second heat exchange tube mounting grooves 3311 set up to two, the other end of heat exchange tube 31 sets up in second heat exchange tube mounting groove 3311, shrouding 334 sets up the one side of keeping away from heat exchange tube 31 at second connecting plate 331, baffling board 332 sets up between shrouding 334 and second connecting plate 331, the direction of arranging along second heat exchange tube mounting groove 3311 on the baffling board 332 is provided with the baffling passageway 3321 that communicates with second heat exchange tube mounting groove 3311, baffling passageway 3321 sets up to one, thereby form the structure of multirow series connection, wherein each baffling passageway 3321 corresponds to one row of second heat exchange tube mounting groove 3311, save the space that the core occupy, thereby under the prerequisite that satisfies heat exchange efficiency, reduce the volume of heat exchanger greatly.
Of course, the second collecting member 33 may be provided in the same structure as the first collecting member 32, that is, two first collecting members 32 are respectively provided at both ends of the heat exchange tube 31.
Of course, each distribution channel 3221 may correspond to multiple rows of the first heat exchange tube mounting grooves 3231, each distribution channel 3221 may correspond to multiple throttling channels, and the specific correspondence may be set according to specific requirements, which is not described herein again.
Referring to fig. 2 to 3, the core is fixedly disposed on one side of the first body 1, a solder composite layer is disposed on one side of the first body 1 contacting the core, or a solder composite layer is disposed on one side of the core contacting the first body 1, or both the side of the first body 1 contacting the core and the side of the core contacting the first body 1 are disposed with solder composite layers, where for example, the side of the first body 1 contacting the core is disposed with a solder composite layer, the core is welded on the first body 1 through a solder conforming layer, so as to increase the strength of the heat exchanger and enhance the reliability of the heat exchanger, the second overflow hole 11 is communicated with the second fluid channel through the header 321, further, the second overflow hole 11 is circumferentially provided with a flange 12 extending to the side of the core, the flange 12 extends into the header 321 through an opening of the header 321, and the flange 12 can facilitate the positioning of the core, reduce the risk that the core squinted for first body 1, simultaneously, also made things convenient for the assembly of core and first body 1, furthermore, turn-ups 12 and the outer wall of pressure manifold 321 contact are provided with the solder composite layer, the solder composite layer that turn-ups 12 accessible its outer wall set up welds with the inside wall of pressure manifold 321, improve the welding strength of core and first body 1, and because turn-ups 12 and pressure manifold 321 weld each other, the leakproofness of second overflowing hole 11 with pressure manifold 321 has been improved, prevent that the medium that flows through second overflowing hole 11 from revealing in the second fluid passage at the in-process that flows into first fluid passage, further improve the heat transfer effect of heat exchanger.
Referring to fig. 1-2, the heat exchanger further includes a connecting block 4, the connecting block 4 is fixedly disposed on a side of the first body 1 away from the core, the connecting block 4 is provided with a first overflowing hole 41 along a thickness direction thereof, the second overflowing hole 11 communicates the first overflowing hole 41 with the second fluid channel, that is, the first overflowing hole 41, the second overflowing hole 11 and the second fluid channel communicate in sequence, a solder composite layer is disposed on a side of the first body 1 contacting the connecting block 4 or a side of the connecting block 4 contacting the first body 1 and a side of the connecting block 4 contacting the connecting block 4 are both provided with solder composite layers, where a side of the connecting block 4 contacting the first body 1 is provided with a solder composite layer as an example, the connecting block 4 is welded to the first body 1 through the solder composite layers, so as to enhance a connection strength between the connecting block 4 and the first body 1, the leakproofness of first overflowing hole 41 and second overflowing hole 11 has been increased, reduce the risk that the heat transfer leaks outward, and simultaneously, because connecting block 4 and core set up the both sides at first body 1 respectively, the holding hole of holding connecting block 4 need not be seted up on first body 1, thereby the core need not connect in first body 1 at the holding hole through the holding of connecting block 4, reduce the risk that arouses core and first body 1 to produce relative motion because of long-term vibrations, and simultaneously, because first body 1 sets up the second overflowing hole 11 in aperture, and need not set up the large aperture holding hole of holding connecting block 4, greatly reduced sealed degree of difficulty, effectively reduce the risk that the heat exchanger leaked outward.
Referring to fig. 1-2, the second body 2 has a U-shaped groove 21, the second body 2 is made of plastic, the weight of the heat exchanger is reduced, the second body 2 includes a bottom plate 211 and side plates 212, the number of the side plates 212 is 4, the 4 side plates 212 are sequentially and hermetically connected end to end, the 4 side plates 212 are approximately vertically arranged on the bottom plate 211, the contact part of the side plates 212 and the bottom plate 211 is sealed, the bottom plate 211 and the side plates 212 enclose the groove 21, wherein the shape of the side plates 212 is set to be arc, the tops of the 4 side plates 212 are provided with second attaching portions 22, the periphery of the first body 1 is provided with a first attaching portion 13, the first attaching portion 13 and the second attaching portion 22 are attached and then bonded by glue or the like, so that the first body 1 and the second body 2 are connected to form a first cavity, the core is arranged in the first cavity, and the collecting pipe 321 is arranged close to the arc-shaped side plates 212, of course, the number of the side plates 212 may be other, and may be set as required, and further, the first attaching portion 13 is integrally formed with the first body 1, that is, the first attaching portion 13 is an outer peripheral portion of the first body 1.
Referring to fig. 1-2, two side plates 212 connected to the arc-shaped side plates 212 are respectively provided with an arc-shaped portion 2121, a first pore passage is formed between the arc-shaped portion 2121 and the core, the first body 1 is provided with a second pore passage 17 communicated with the first pore passage, the core includes a plurality of heat exchange tubes 31, a first fluid channel is formed between the heat exchange tubes 31, the second pore passage 17 is communicated with the first fluid channel through the first pore passage, that is, the second pore passage 17, the first pore passage and the first fluid channel are sequentially communicated, the heat exchanger further includes an external connection tube 5, and one end of the external connection tube 5 is hermetically connected with the second pore passage 17.
Further, referring to fig. 2, the second attaching portion 22 extends along the circumferential direction thereof to the direction of the first body 1 to form a clamping edge 23, the clamping edge 23 is continuously arranged along the opening end of the second body 2, the side wall of the first attaching portion 13 abuts against the clamping edge 23, when the first body 1 and the second body 2 are assembled, the first attaching portion 13 can move along the clamping edge 23 to the direction close to the second attaching portion 22 until the first attaching portion 13 and the second attaching portion 22 are attached, the installation and alignment of the first body 1 and the second body 2 are facilitated, and the arrangement of the clamping edge 23 reduces the possibility of glue overflow.
Referring to fig. 1-2, the second body 2 is provided with a plurality of ribs 24 on the outer side thereof to further improve the impact resistance of the heat exchanger and to prolong the service life of the heat exchanger, and the ribs 24 are provided in a strip shape, and the number of the ribs 24 is plural.
Example two:
the structure and principle of the second embodiment are basically the same as those of the first embodiment, and the difference is that: the first body 1 and the second body 2 are connected by a snap, that is, the first attaching portion 13 is provided with a snap portion 14, and the first attaching portion 13 and the second attaching portion 22 are pressed and fixed by the snap portion 14.
Referring to fig. 6, the first attaching portion 13 is provided with a plurality of fastening portions 14 along the circumferential direction thereof, the fastening portions 14 protrude from the first attaching portion 13 along the direction of the second attaching portion 22, after the first attaching portion 13 and the second attaching portion 22 are aligned, the end portion of the fastening portion 14 away from the first attaching portion 13 is bent inward to press the lower surface of the second attaching portion 22 so as to press and fix the first attaching portion 13 and the second attaching portion 22, the fastening portion 14 is bent to form a straight portion 141 and a blocking portion 142, the straight portion 141 and the blocking portion 142 are perpendicular, it should be noted that "perpendicular" does not mean perpendicular in the complete mathematical sense and includes substantially perpendicular and having a perpendicular tendency, etc., the straight portion 141 abuts against the side wall of the second attaching portion 22, the blocking portion 142 abuts against the lower surface of the second attaching portion 22 so as to press and fix the first attaching portion 13 and the second attaching portion 22, and the first body 1 and the second body 2 are detachably connected, the cleaning and the maintenance of the heat exchanger at the later stage are convenient.
Further, a sealing gasket or a sealing ring is arranged between the first attaching portion 13 and the second attaching portion 22, so that the sealing performance of the heat exchanger is improved, furthermore, a sealing groove for accommodating the sealing ring or the sealing ring is arranged in one of the first attaching portion 13 or the second attaching portion 22, so that the first attaching portion 13 and the second attaching portion 22 can be conveniently sealed, or sealing grooves for placing the sealing ring or the sealing ring are arranged in the first attaching portion 13 and the second attaching portion 22, the sealing groove in the first attaching portion 13 and the sealing groove in the second attaching portion 22 are arranged in a staggered manner, for example, after the first attaching portion 13 and the second attaching portion 22 are aligned and pressed, the sealing groove in the first attaching portion 13 is located in the inner ring of the sealing groove in the second attaching portion 22, so that multi-stage sealing is formed, and the sealing performance of the heat exchanger is improved.
Example three:
the third embodiment is basically the same as the second embodiment in structure and principle, and the difference is that: the first attaching portion 13 is provided with a clamping edge 23 extending along the circumferential direction of the second body 2, and the clamping portion 14 is in a shape of a straight line.
Referring to fig. 7, a clamping edge 23 is provided to the first attaching portion 13 along the circumferential direction of the first attaching portion 13 in the direction of the second body 2, the side wall of the second attaching portion 22 abuts against the clamping edge 23, one end of the clamping portion 14 is connected with the free end of the clamping edge 23, after the first attaching portion 13 and the second attaching portion 22 are aligned, the connection portion of the clamping portion 14 and the clamping edge 23 is bent, the clamping portion 14 compresses the lower surface of the second attaching portion 22 so that the first attaching portion 13 and the second attaching portion 22 are compressed and fixed, and by the arrangement of the clamping edge 23, the strength of the first body 1 is improved.
Example four:
the structure and principle of the fourth embodiment are basically the same as those of the third embodiment, and the difference is that: the first body 1 comprises a U-shaped clamping groove 16, the second attaching portion 22 is accommodated in the clamping groove 16, and one end of the clamping portion 14 is connected with a free end of the clamping groove 16.
Referring to fig. 8, the first body 1 is a flat plate, the second body 2 has a U-shaped groove portion 21, an open end of the groove portion 21 extends outward to form a second attaching portion 22, the first body 1 includes a U-shaped engaging groove 16 and a first body portion 15, the first body portion 15 extends along a circumferential direction thereof to a direction away from the first cavity to form a first extending portion 161, the first extending portion 161 extends along a circumferential direction thereof to form a second extending portion 162, the second extending portion 162 extends along a circumferential direction thereof to form a third extending portion 163, the first extending portion 161, the second extending portion 162 and the third extending portion 163 together form the engaging groove 16, the second attaching portion 22 is accommodated in the engaging groove 16, that is, two side walls of the second attaching portion 22 respectively abut against the first extending portion 161 and the third extending wall, a top wall of the second attaching portion 22 abuts against the second extending portion 162, and one end of the fastening portion 14 is connected to one end of the third extending portion which is away from the second extending portion 162, the number of the buckling parts 14 is multiple, the buckling parts 14 are arranged along the circumferential direction of the third extending part 163, after the joint of the buckling part 14 and the third extending part 163 is bent, the buckling part 14 compresses the lower surface of the second attaching part 22 to compress and fix the second attaching part 22 and the third extending part 163, that is, the buckling part 14 tightly presses the second attaching part 22 to compress and fix the second attaching part 22 in the clamping groove 16, and the clamping groove 16 is arranged to facilitate the assembly of the first body 1 and the second body 2.
Example five:
the fifth embodiment is basically the same as the first embodiment in structure and principle, and the difference is that: the second body 2 is provided with a buckling part 14, and the buckling part 14 clamps the first attaching part 13 and the second attaching part 22.
Referring to fig. 9, the second body 2 further includes a fastening portion 14, the fastening portion 14 is disposed along a circumferential direction of the second attaching portion 22, the fastening portion 14 includes a straight portion 141 and a blocking portion 142, one end of the straight portion 141 is connected to the second body 2, the other end of the straight portion 141 extends toward the first cavity to form the blocking portion 142, a sidewall of the blocking portion 142 is disposed in an inclined manner, the first body 1 is disposed on the inclined sidewall, by applying pressure to the first body 1, the first body 1 moves in the direction of the first cavity, since the fastening portion 14 is made of plastic, the straight portion 141 is bent outward under the extrusion of the first body 1, when the first attaching portion 13 contacts with the second attaching portion 22, the straight portion 141 is restored by its own resilience, and at this time, the lower surface of the blocking portion 142 contacts the upper surface of the first attaching portion 13 and presses the first attaching portion 13 so that the first attaching portion 13 and the second attaching portion 22 are pressed and fixed.
Of course, the first body 1 has a groove portion 21 of "U" shape, the second body 2 also has a groove portion 21 of "U" shape, the open end of the groove portion 21 of the first body 1 is opposite to and connected with the open end of the groove portion 21 of the second body 2, and the connection place is arranged hermetically; alternatively, the first body 1 has a U-shaped groove portion 21, the second body 2 is flat, and the second body 2 covers an opening end of the groove portion 21 of the first body 1 and the joint is sealed, which is basically the same as the structure and principle of the above embodiment and is not described again.
The invention also provides an assembly method of the heat exchanger, which is suitable for the heat exchanger and comprises the following steps:
after aligning the first overflowing hole 41, the second overflowing hole 11 and the second flowing channel so that the second overflowing hole 11 communicates the first overflowing hole 41 and the second flowing channel, clamping the connecting block 4, the first body 1 and the core body by using a clamp;
putting the clamped connecting block 4, the first body 1 and the core body into a furnace for welding;
the first body 1 and the second body 2 are sealingly connected.
Core and connecting block 4 all weld with first body 1, become a whole after the welding, directly with the second body 2 assemble can, saved the equipment process, practice thrift the cost.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (12)

1. A heat exchanger comprises a shell and a core body accommodated in the shell, and is characterized in that the shell comprises a first body and a second body, the first body is made of metal, the second body is made of plastic, and a first cavity is formed by connecting the first body and the second body;
the core body is accommodated in the first cavity and fixedly connected with the first body, the core body comprises a plurality of heat exchange tubes, the heat exchange tubes are stacked, a first fluid channel is formed among the heat exchange tubes, a second fluid channel is formed inside the heat exchange tubes, and the first fluid channel is not communicated with the second fluid channel;
the heat exchanger further comprises a connecting block, the connecting block is fixed with the first body and located outside the first cavity, the connecting block is provided with a first overflowing hole, the first shell is provided with a second overflowing hole, and the second overflowing hole is connected with the first overflowing hole and the second fluid channel.
2. The heat exchanger according to claim 1, wherein the first body is flat, the second body has a groove portion in a "U" shape, and the first body covers an opening end of the groove portion of the second body and a joint is sealed;
or the first body is provided with a U-shaped groove part, the second body is also provided with a U-shaped groove part, and the open end of the groove part of the first body is opposite to and connected with the open end of the groove part of the second body and the connection part is arranged in a sealing way;
or the first body is provided with a U-shaped groove part, the second body is flat, and the second body covers the opening end of the groove part of the first body and the connection part is sealed.
3. The heat exchanger of claim 2, wherein the first body includes a first mating portion and the second body includes a second mating portion, the first mating portion being connected to the second mating portion.
4. The heat exchanger according to claim 3, wherein the second attaching portion is provided with a clamping edge extending in a direction of the first body along a circumferential direction of the second attaching portion, and a side wall of the first attaching portion abuts against the clamping edge.
5. The heat exchanger of claim 3, wherein the first body further comprises a buckling portion, one end of the buckling portion is connected with the first attaching portion, and at least one part of the buckling portion abuts against the second attaching portion so that the first attaching portion and the second attaching portion are pressed and fixed.
6. The heat exchanger according to claim 5, wherein the fastening portion comprises a straight portion and a blocking portion, one end of the straight portion is connected with the first attaching portion, the other end of the straight portion is connected with one end of the blocking portion, the straight portion is perpendicular to the blocking portion, the straight portion abuts against a side wall of the second attaching portion, and the blocking portion abuts against the second attaching portion so that the first attaching portion and the second attaching portion are compressed and fixed.
7. The heat exchanger according to claim 5, wherein a clamping edge is arranged on the first attaching portion in a manner of extending in the circumferential direction of the first attaching portion towards the second body, the side wall of the second attaching portion abuts against the clamping edge, one end of the clamping portion is connected with the free end of the clamping edge, and the clamping portion abuts against the second attaching portion so that the first attaching portion and the second attaching portion are compressed and fixed.
8. The heat exchanger according to claim 2, wherein the first body is flat, the second body has a U-shaped groove, an open end of the groove extends outward to form a second attaching portion, the first body includes a U-shaped engaging groove, the second attaching portion is accommodated in the engaging groove, one end of the engaging portion is connected to a free end of the engaging groove, and the engaging portion abuts against the second attaching portion to press and fix the second attaching portion in the engaging groove.
9. The heat exchanger of claim 8, wherein the first body comprises a first body portion, the first body portion is provided with a first extending portion extending along a circumferential direction of the first body portion away from the first cavity, the first extending portion is provided with a second extending portion extending along a circumferential direction of the first body portion, the second extending portion is provided with a third extending portion extending along a circumferential direction of the second body portion toward the first cavity, and the first extending portion, the second extending portion and the third extending portion together form the clamping groove.
10. The heat exchanger according to claim 3, wherein the second body further comprises a buckling part made of plastic, the buckling part comprises a straight part and a blocking part, one end of the straight part is connected with the second body, the blocking part extends towards the direction of the first cavity from the other end of the straight part, and the blocking part abuts against the first attaching part so that the first attaching part and the second attaching part are compressed and fixed.
11. The heat exchanger according to any one of claims 1 to 10, wherein the core comprises a header, the second overflowing hole is communicated with the heat exchanging pipe through the header, the second overflowing hole extends to the side of the core and is provided with a flange, and the flange extends into the header through an opening of the header.
12. A method of assembling a heat exchanger according to any one of claims 1 to 10, the method comprising:
after aligning the first flowthrough bore, the second flowthrough bore and the second flow channel such that the second flowthrough bore communicates the first flowthrough bore and the second flow channel, clamping the connector block, the first body and the core with a clamp;
placing the clamped connecting block, the first body and the core body into a furnace for welding;
the first body and the second body are hermetically connected.
CN202010105286.5A 2020-02-20 2020-02-20 Heat exchanger and assembling method thereof Pending CN113280675A (en)

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CN202010105286.5A CN113280675A (en) 2020-02-20 2020-02-20 Heat exchanger and assembling method thereof

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Application Number Priority Date Filing Date Title
CN202010105286.5A CN113280675A (en) 2020-02-20 2020-02-20 Heat exchanger and assembling method thereof

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CN113280675A true CN113280675A (en) 2021-08-20

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CN202010105286.5A Pending CN113280675A (en) 2020-02-20 2020-02-20 Heat exchanger and assembling method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114485248A (en) * 2022-03-01 2022-05-13 光大环境科技(中国)有限公司 Heat exchange tube

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114485248A (en) * 2022-03-01 2022-05-13 光大环境科技(中国)有限公司 Heat exchange tube
CN114485248B (en) * 2022-03-01 2023-07-04 光大环境科技(中国)有限公司 Heat exchange tube

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