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CN-224230799-U - Heat exchanger

CN224230799UCN 224230799 UCN224230799 UCN 224230799UCN-224230799-U

Abstract

The utility model relates to a heat exchanger, which comprises heat exchange plates arranged in a stacked manner, wherein the heat exchange plates comprise a first plate and a second plate, the first plate is provided with a first boss protruding towards the direction of the second plate, the first boss is provided with a first welding plate part, the first welding plate part is provided with at least one first through hole, and at least part of the first welding plate part is welded with the second plate. According to the technical scheme, the first boss of the first plate is provided with the first welding plate part, the first welding plate part is welded with the second plate, and the first welding plate part is provided with the first through hole structure, so that thermal collapse of the first welding plate part during welding can be reduced.

Inventors

  • Request for anonymity

Assignees

  • 绍兴三花汽车热管理科技有限公司

Dates

Publication Date
20260512
Application Date
20250326

Claims (10)

  1. 1. The heat exchanger is characterized by comprising heat exchange plates (7) which are arranged in a stacked manner, wherein the heat exchange plates (7) comprise a first plate (10) and a second plate (11); the first plate (10) is provided with a first boss (16) protruding towards the second plate (11), the first boss (16) is provided with a first welding plate part (17), the first welding plate part (17) is provided with at least one first through hole (31), and at least part of the first welding plate part (17) is welded with the second plate (11).
  2. 2. The heat exchanger according to claim 1, wherein the first welded plate portion (17) has at least two of the first through holes (31), and a first sub-welded plate portion (14) is provided between adjacent two of the first through holes (31), the first sub-welded plate portion (14) being welded to the second plate (11).
  3. 3. The heat exchanger according to claim 1 or 2, wherein the first plate (10) has a first angular hole (12), the first plate (10) further having a second boss (18) protruding in the direction of the second plate (11), the second boss (18) being located radially outside the first angular hole (12); The second boss (18) has a second welding plate portion (22), the second welding plate portion (22) has at least one second through hole (35), and at least part of the second welding plate portion (22) is welded with the second plate (11).
  4. 4. A heat exchanger according to claim 3, wherein the second welded plate portion (22) has a second sub welded plate portion (32), the second sub welded plate portion (32) extending away from the first angular hole (12), the second sub welded plate portion (32) having the second through hole (35).
  5. 5. The heat exchanger according to claim 4, wherein the first plate (10) further has a first turn-up (41), the wall forming the second boss (18) comprising part of the first turn-up (41).
  6. 6. The heat exchanger according to claim 5, wherein the second plate (11) has a third boss (23) protruding in the direction of the first plate (10), the third boss (23) having a third welded plate portion (24), at least part of the first welded plate portion (17) being welded to the third welded plate portion (24).
  7. 7. The heat exchanger according to claim 6, wherein the second plate (11) has a third angular hole (25), the second plate (11) further having a fourth boss (26) protruding in the direction of the first plate (10), the fourth boss (26) being located radially outside the third angular hole (25); The fourth boss (26) has a fourth welded plate portion (30), and at least a part of the second welded plate portion (22) is welded to the fourth welded plate portion (30).
  8. 8. The heat exchanger according to claim 7, wherein the fourth welded plate portion (30) has a third sub-welded plate portion (33), the third sub-welded plate portion (33) extending in a direction away from the third angular hole (25), the second sub-welded plate portion (32) being welded with the third sub-welded plate portion (33).
  9. 9. The heat exchanger according to claim 8, wherein the second plate (11) further has a second turn-up (43), the wall forming the fourth boss (26) comprising part of the second turn-up (43).
  10. 10. The heat exchanger according to claim 8 or 9, wherein the heat exchanger (1) has plate-to-plate flow channels (6), wherein the first plate (10) has second angular holes (13), the second angular holes (13) being located in the first welded plate portions (17), the second angular holes (13) being in communication with the plate-to-plate flow channels (6), and/or wherein the second plate (11) has fourth angular holes (45), the fourth angular holes (45) being located in the third welded plate portions (24), the fourth angular holes (45) being in communication with the plate-to-plate flow channels (6).

Description

Heat exchanger Technical Field The utility model relates to the technical field of heat management, in particular to a heat exchanger for a refrigerating system. Background The plate heat exchanger comprises a plurality of laminated plates, plate-to-plate channels for fluid to flow are formed between adjacent plates, and fluid on two sides of the plates can flow on the front side and the back side of the plates respectively to realize partition wall heat exchange through the plates. Disclosure of utility model In the related art, the inter-plate channel is provided with a boss structure which can improve the structural strength of the inter-plate channel, and the boss structure is provided with a welding plate part which is in a suspended state when in welding and is easy to thermally collapse due to the influence of gravity. Based on the above, it is necessary to provide a heat exchanger, which aims to solve the technical problem that the boss structure of the inter-plate channel is subject to thermal collapse during welding. The technical scheme adopted by the utility model is as follows: The heat exchanger comprises heat exchange plates which are arranged in a stacked manner, wherein each heat exchange plate comprises a first plate and a second plate; The first plate is provided with a first boss protruding towards the second plate, the first boss is provided with a first welding plate portion, the first welding plate portion is provided with at least one first through hole, and at least part of the first welding plate portion is welded with the second plate. According to the technical scheme, the first boss of the first plate is provided with the first welding plate part, the first welding plate part is welded with the second plate, and the first welding plate part is provided with the first through hole structure, so that thermal collapse of the first welding plate part during welding can be reduced. Drawings Fig. 1 is a schematic view of the heat exchanger of embodiment 1; FIG. 2 is a schematic view of the three sheets of FIG. 1 stacked; FIG. 3 is an exploded view of FIG. 2; FIG. 4 is a schematic cross-sectional view taken along the direction A-A in FIG. 2; FIG. 5 is a schematic view of the structure of FIG. 2 from another perspective; FIG. 6 is a schematic cross-sectional view taken along the direction C-C in FIG. 5; FIG. 7 is an enlarged schematic view of FIG. 6 at A; FIG. 8 is a schematic cross-sectional view of the first heat exchanger plate of FIG. 2 after welding the first plate; FIG. 9 is a schematic cross-sectional view taken along the direction D-D in FIG. 5; FIG. 10 is an enlarged schematic view at B in FIG. 9; FIG. 11 is a schematic cross-sectional view taken along the direction B-B in FIG. 2; FIG. 12 is a schematic cross-sectional view of the second heat exchanger plate of FIG. 2 after welding with the first plate; Fig. 13 is a schematic view of the structure of the first flow path plate in embodiment 2 after welding; Fig. 14 is a schematic structural view of the second flow field plate of example 2 after welding. Reference numeral 1, a heat exchanger; 2, a heat exchange core body; 3, a first fluid pore canal; the second fluid port channel, 5, inter-plate channel, 6, inter-plate channel, 7, heat exchange plate, 8, first distribution area, 9, second distribution area, 10, first plate, 11, second plate, 12, first angular hole, 13, second angular hole, 14, first sub-weld plate portion, 15, heat exchange plate, 16, first boss, 17, first weld plate portion, 18, second boss, 19, first end, 20, second end, 21, first opening, 22, second weld plate portion, 23, third boss, 24, third weld plate portion, 25, third angular hole, 26, fourth boss, 27, third end, 28, fourth end, 29, second opening, 30, fourth weld plate portion, 31, second through hole, 32, second sub-weld plate portion, 33, third sub-weld plate portion, 35, second through hole, 36, fifth boss, 37, fifth weld portion, 38, sixth boss, 39, sixth weld plate portion, 40, second through hole, 45, second through hole, 31, second flange, 33, fourth flange, 43, fourth flange, 27, third flange, 33, fourth flange, second through hole, 31, fourth flange, 31, second through hole, 31, fourth flange, second through hole, second flange, second through hole, second flange, second through second plate port, second plate port third, second flange, second plate port third, second plate, third plate, third plate and third plate and third plate, and third plate, plate and third, plate and plate and plate, and with well thereto with well, and with well and with and well, and well and plan and well and well and. Detailed Description In order to make the objects, technical solutions and advantages of the present utility model more apparent, the following embodiments are described in further detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not