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CN-114688897-B - Heat exchanger

CN114688897BCN 114688897 BCN114688897 BCN 114688897BCN-114688897-B

Abstract

The invention discloses a heat exchanger, which comprises a core body, wherein the core body comprises a first plate and a second plate, the core body is provided with a first fluid channel and a second fluid channel, the first fluid channel comprises a first inter-plate channel, the second fluid channel comprises a second inter-plate channel, the core body is provided with a first isolation part and a second isolation part, the first isolation part is positioned on the first plate, the first isolation part is provided with a first welding part, a second welding part and a first main body part, the first welding part is provided with a first welding surface, the first welding surface is welded and fixed with the second plate adjacent to one side of the first plate, the first isolation part divides the first inter-plate channel into a first inter-sub-plate channel and a second inter-sub-plate channel, the second welding part is provided with a second welding surface, and the second welding surface is welded and fixed with the second plate adjacent to the other side of the first plate, so that the second isolation part divides the second inter-plate channel into a third inter-sub-plate channel and a fourth inter-sub-plate channel. The matching requirement of the isolation part can be reduced, and the installation and the processing are easy.

Inventors

  • Request for anonymity
  • Request for anonymity

Assignees

  • 浙江三花汽车零部件有限公司

Dates

Publication Date
20260505
Application Date
20201231

Claims (10)

  1. 1. A heat exchanger comprising a core comprising a first plate and a second plate arranged in a stacked manner, the core having a first fluid passage and a second fluid passage isolated from each other, characterized in that, The first fluid channel comprises a first inter-plate channel between the first plate and a second plate, the second fluid channel comprises a second inter-plate channel between the second plate and the first plate, the core has a first separator and a second separator, the first separator is located on the first plate, and the second separator is located on the second plate; The first isolation part is provided with a first welding part, a second welding part and a first main body part, the first main body part is positioned between the first welding part and the second welding part, the first welding part is provided with a first welding surface, the first welding surface faces to a second plate adjacent to one side of the first plate, and the first welding surface is welded and fixed with a second isolation part on a second plate adjacent to one side of the first plate, so that the first isolation part divides the first inter-plate channel part into a first inter-sub-plate channel and a second inter-sub-plate channel, the second welding part is provided with a second welding surface, the second welding surface faces to a second plate adjacent to the other side of the first plate, and the second isolation part is welded and fixed with a second isolation part on a second plate adjacent to the other side of the first plate, so that the second isolation part divides the second inter-plate channel part into a third inter-sub-plate channel and a fourth inter-sub-plate channel.
  2. 2. The heat exchanger according to claim 1, wherein the second plate includes a second intermediate portion, the second separator portion has a third welded portion and a second main body portion, the third welded portion protrudes from the second intermediate portion in the direction in which the cores are stacked, the third welded portion has a third welded surface facing the first plate adjacent to one side of the second plate, and the second welded surface is welded to the third welded surface.
  3. 3. The heat exchanger of claim 2, wherein the second separator has a third body portion, the second and third body portions are located on both sides of the third welded portion, the second and third body portions are substantially opposite, the first separator has a fourth welded portion and a fourth body portion, the fourth body portion is located between the first and fourth welded portions, the fourth body portion is substantially opposite the second body portion, the fourth welded portion has a fourth welded surface facing the second plate adjacent to the first plate side, and the fourth welded surface is welded to the third welded surface.
  4. 4. A heat exchanger according to claim 3, wherein the first plate includes a first intermediate portion, the first separator portion has a fifth body portion and a fifth welded portion, the fifth body portion is located between the second body portion and the fourth body portion, the fifth body portion is located between the first welded portion and the fifth welded portion, the second welded portion, the fourth welded portion are coplanar with the fifth welded portion and the first intermediate portion, and the fifth welded portion is located between the second welded portion and the fourth welded portion, the fifth welded portion has a sixth welded face that faces the second plate adjacent to the first plate side, and the sixth welded face is welded with the third welded face.
  5. 5. The heat exchanger of claim 2, wherein the first plate includes a first middle portion, the first welded portion protrudes from the first middle portion in a direction in which the cores are stacked, the second welded portion protrudes from the first middle portion in an opposite direction in which the cores are stacked, the second separator portion is located in the first plate, the second separator portion has the second welded portion and a second main body portion, and the second main body portion is located between the first middle portion and the second welded portion.
  6. 6. The heat exchanger according to claim 5, wherein the first separator has a third main body portion and a third welded portion, the third main body portion being located between the first welded portion and the third welded portion, the third main body portion and the first main body portion being located on both sides of the first welded portion, the third main body portion being substantially opposite to the first main body portion, the third welded portion protruding from the first middle portion in an opposite direction in which the cores are stacked, the third welded portion having a third welded surface facing the second plate adjacent to the first plate side, and the third welded surface being welded to the second plate adjacent to the first plate side; the second isolation portion has the third welded portion and a fourth body portion located between the first intermediate portions of the third welded portion.
  7. 7. The heat exchanger of claim 6, wherein the first separator has a fifth main body portion and a fifth welded portion, the fifth main body portion being located between the first main body portion and the third main body portion, the fifth main body portion being located between the first welded portion and the fifth welded portion, the fifth welded portion protruding from the first middle portion in an opposite direction of the core lamination, the fifth welded portion having a sixth welded face facing the second sheet adjacent to the first sheet side, and the sixth welded face being welded to the second sheet adjacent to the first sheet side; The second separator has the fifth welded portion and a sixth body portion located between the first intermediate portions of the fifth welded portion.
  8. 8. The heat exchanger according to claim 7, wherein the second plate includes a second flange at a periphery of the second intermediate portion, the second plate includes a third partition portion protruding from the second intermediate portion in a direction in which the cores are stacked, a top wall of the third partition portion forms a sixth welded portion having a seventh welded surface facing the first plate adjacent to one side of the second plate, and the seventh welded surface is welded to the first plate adjacent to one side of the second plate, one end of the third partition portion is connected to the second flange, and the other end of the third partition portion is connected to the fifth main body portion.
  9. 9. The heat exchanger of claim 1, wherein the first plate includes a first intermediate portion from which the first welded portion protrudes in a direction in which the cores are stacked, and the second welded portion protrudes from the first intermediate portion in an opposite direction in which the cores are stacked, and the first separator includes a second main body portion between the first intermediate portion and the second welded portion; The second plate comprises a third welding part and a third main body part, the second plate comprises a second middle part, the third welding part protrudes out of the second middle part along the stacking direction of the core body, the third main body part is positioned between the second middle part and the third welding part, the third welding part is provided with a third welding surface, the third welding surface faces the first plate on the adjacent side of the second plate, and the second welding surface is welded and fixed with the third welding surface; the second isolation portion has the second welded portion, the second main body portion, the third welded portion, and the third main body portion.
  10. 10. The heat exchanger according to claim 9, wherein the first separator has a fourth main body portion and a fourth welded portion, the fourth welded portion protruding from the first intermediate portion in an opposite direction of the core lamination, the fourth main body portion being located between the first intermediate portion and the fourth welded portion, the fourth main body portion and the first main body portion being located on both sides of the first welded portion, the fourth main body portion and the first main body portion being substantially opposite each other, the fourth welded portion having a fourth welded surface facing the second plate adjacent to the first plate side, and the fourth welded surface being welded with the third welded surface, the first separator having a fifth main body portion located between the first intermediate portion and the fourth welded portion.

Description

Heat exchanger Technical Field The invention relates to the technical field of heat exchange, in particular to a heat exchanger. Background The plate heat exchanger has higher heat exchange efficiency, is compact and relatively light in weight, and can be applied to a plurality of industries such as refrigeration, chemical engineering, water treatment and the like. The basic principle of a plate heat exchanger is that two heat exchange media exchange heat in adjacent flow channels through heat exchange plates. With the increase of application scenes of the plate heat exchanger, the performance requirements of the plate heat exchanger are continuously improved. In a heat exchanger with U-shaped plate channels, although the plate channels are longer, the structure of the middle blocking part of the plate sheets adopts a nested lamination mode, and the matching precision requirement between the plate sheets is higher. Disclosure of Invention The invention aims to provide a heat exchanger with an isolation part easy to install and convenient to process. The heat exchanger comprises a core body, wherein the core body comprises a first plate and a second plate which are arranged in a stacked mode, the core body is provided with a first fluid channel and a second fluid channel which are isolated from each other, the first fluid channel comprises a first plate-to-plate channel which is arranged between the first plate and the second plate, the second fluid channel comprises a second plate-to-plate channel which is arranged between the second plate and the first plate, the core body is provided with a first isolation part and a second isolation part, the first isolation part is arranged on the first plate, the second isolation part is arranged on the second plate, the first isolation part is provided with a first welding part, a second welding part and a first main body part, the first welding part is arranged between the first welding part and the second welding part, the first welding part is provided with a first welding surface, the first welding surface faces towards the second plate adjacent to one side of the first plate, the first isolation part is arranged on one side of the second plate, the first isolation part is arranged between the first welding surface and the second plate, the first plate is arranged on the second plate adjacent to one side of the second plate, the first isolation part is arranged on the second plate, the first plate is arranged on the second plate, the first isolation part is arranged on the second plate and the second plate is arranged on the second side, the second isolation part is arranged on the second isolation part, the second isolation part is arranged on the second plate, the second isolation part is arranged between the second plate and the first sub-plate and the first separation part is arranged between the first and the second isolation part, and the first separation part and the second separation part and the first separation part and the second fluid channel is arranged. The first plate comprises a first isolation part, the first isolation part is provided with a first welding part and a second welding part, the first welding part is provided with a first welding surface, the first welding surface is welded and fixed with the second isolation part on the second plate adjacent to one side of the first plate, so that the first isolation part divides the first inter-plate channel part into a first sub-inter-plate channel and a second sub-inter-plate channel, the second welding part is provided with a second welding surface, the second welding surface is welded and fixed with the second isolation part on the second plate adjacent to the other side of the first plate, and the second isolation part divides the second inter-plate channel part into a third inter-sub-plate channel and a fourth inter-sub-plate channel, thereby reducing the matching requirement of the isolation part, being easy to install and convenient to process. Drawings FIG. 1 is a perspective view of one embodiment of a heat exchanger of the present invention; FIG. 2 is a schematic view of a first plate of an embodiment of a heat exchanger according to the present invention; FIG. 3 is another schematic view of a first plate of an embodiment of a heat exchanger according to the present invention; FIG. 4 is a schematic view of a second plate of an embodiment of a heat exchanger according to the present invention; FIG. 5 is another schematic view of a second plate of an embodiment of a heat exchanger according to the present invention; FIG. 6 is a partial cross-sectional view of one embodiment of a heat exchanger of the present invention; FIG. 7 is a schematic view of a first plate of another embodiment of a heat exchanger according to the present invention; FIG. 8 is another schematic view of a first plate of another embodiment of a heat exchanger according to the present invention; FIG. 9 is a schematic view