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CN-224215903-U - Plate heat exchanger

CN224215903UCN 224215903 UCN224215903 UCN 224215903UCN-224215903-U

Abstract

The utility model discloses a plate heat exchanger, which relates to the technical field of heat exchange of automobile batteries and aims to solve the problems that the plate heat exchanger in the prior art improves heat exchange performance and increases energy consumption of a system by sacrificing flow resistance in multiple processes, the technical scheme is that a bracket is provided with a cooling liquid inlet and outlet pipe and a cooling medium inlet and outlet pipe, an upper side plate is arranged below the bracket, a core body is arranged below the upper side plate, a lower side plate is arranged below the core body, the core body comprises a first heat exchange lamination, the first heat exchange lamination is fixed with the upper side plate, the heat exchange device comprises a first heat exchange lamination, a second heat exchange lamination, a first heat exchange lamination, a second heat exchange lamination and a plurality of heat exchange fins, wherein the surface of the first heat exchange lamination is provided with turbulence protrusions, the lower part of the second heat exchange lamination is provided with a second heat exchange lamination, a radiating fin is arranged between the second heat exchange lamination and the first heat exchange lamination, the second heat exchange lamination and the radiating fin are arranged in a plurality of numbers.

Inventors

  • CHEN BIN
  • ZHANG JIANGBO
  • MA ZHIBIN
  • Fang Xueke
  • BAI YUNPENG

Assignees

  • 豫新汽车热管理科技有限公司

Dates

Publication Date
20260508
Application Date
20250506

Claims (8)

  1. 1. A plate heat exchanger comprises a support (1) and is characterized in that a cooling liquid inlet and outlet pipe and a cooling medium inlet and outlet pipe are arranged on the support (1), an upper side plate (4) is arranged below the support (1), a core body (5) is arranged below the upper side plate (4), a lower side plate (6) is arranged below the core body (5), the core body (5) comprises a first heat exchange lamination (7), the first heat exchange lamination (7) and the upper side plate (4) are fixed, turbulence bulges (701) are arranged on the surface of the first heat exchange lamination (7), a second heat exchange lamination (8) is arranged below the first heat exchange lamination (7), a radiating fin (9) is arranged between the second heat exchange lamination (8) and the first heat exchange lamination (7), and the second heat exchange lamination (8) and the radiating fin (9) are sequentially connected and sealed.
  2. 2. A plate heat exchanger according to claim 1 wherein the upper plate (4) is provided with a first refrigerant port (402) and a first cooling liquid port (403), the first refrigerant port (402) is communicated with the refrigerant inlet and outlet pipe, the first cooling liquid port (403) is communicated with the cooling liquid inlet and outlet pipe, and a first sealing protrusion (4021) is arranged at the bottom of the edge of the first refrigerant port (402).
  3. 3. A plate heat exchanger according to claim 2 wherein the first heat exchanging lamination (7) is fixed below the upper side plate (4), the upper side plate (4) is provided with a second refrigerant port (703) and a second cooling liquid port (704), the middle part of the upper side plate (4) is provided with a first downward flow guiding bulge (706), the upper side plate (4) is provided with a plurality of flow disturbing bulges (701), the edge of the second refrigerant port (703) is provided with a second downward sealing bulge (702), the edge of the second cooling liquid port (704) is provided with a third upward sealing bulge (705), the first sealing bulge (4021) is attached to the second sealing bulge (702), the third sealing bulge (705) is attached to the upper side plate (4) and is communicated with the first cooling liquid port (403), and the flow disturbing bulge (701) is attached to the upper side plate (4).
  4. 4. A plate heat exchanger according to claim 3 wherein a second heat exchanging lamination (8) is arranged below the first heat exchanging lamination (7), a third refrigerant port (801) and a third cooling liquid port (802) are formed in the second heat exchanging lamination (8), a second flow guiding protrusion (803) is arranged in the middle of the second heat exchanging lamination (8) downwards, a fourth sealing protrusion (804) is arranged upwards in the third refrigerant port (801), a fifth sealing protrusion (805) is arranged downwards in the third cooling liquid port (802), the fourth sealing protrusion (804) is attached to the second sealing protrusion (702), and the fifth sealing protrusion (805) is attached to the third sealing protrusion (705).
  5. 5. A plate heat exchanger according to claim 1 wherein the fin (9) is provided with a plurality of flow passages (901), the flow passages (901) are provided with a plurality of partition cavities (902), and the partition cavities (902) are arranged in an array.
  6. 6. A plate heat exchanger according to claim 4 wherein the lower plate (6) is provided with a coolant plug (601) and a coolant plug (602), the coolant plug (601) is attached to the second seal protrusion (702), and the coolant plug (602) is attached to the third seal protrusion (705).
  7. 7. A plate heat exchanger according to claim 1 wherein the bracket (1) is provided with a positioning groove (101), the upper side of the upper side plate (4) is provided with a positioning protrusion (401), and the positioning groove (101) is matched with the positioning protrusion (401).
  8. 8. A plate heat exchanger according to claim 1 wherein the cooling fluid inlet and outlet pipes and the refrigerant inlet and outlet pipes are provided with sealing anti-skid grooves (10).

Description

Plate heat exchanger Technical Field The utility model relates to the technical field of heat exchange of automobile batteries, in particular to a plate heat exchanger. Background With the continuous progress of new energy automobile technology, the plate heat exchanger will also be the technology upgrading that comes, the liquid cooling technique is the mainstream technology of present power battery cooling, have advantages such as cooling rate is fast, specific heat capacity is big, heat transfer coefficient is high, with new material and manufacturing technology's development, the performance of plate heat exchanger will further promote, need become more high-efficient and compact, satisfy new energy automobile and to the higher requirement of thermal management system, with environmental protection regulation's stricter day by day, high-efficient plate heat exchanger will be favored, improve plate heat exchanger's heat exchange efficiency and lightweight level need more efficient heat dissipation material, better heat conductivility, lower density and higher intensity. The current new energy battery refrigeration demand and the energy-saving efficiency of the thermal management system are continuously improved, the original plate heat exchanger improves the heat exchange performance through sacrificing the flow resistance in multiple processes, the energy consumption of the system is increased, and the plate heat exchanger capable of improving the heat exchange efficiency through adopting different heat exchange flow channels through different medium channels and reducing the flow resistance is needed. Disclosure of utility model The utility model aims to overcome the existing defects, and provides a plate heat exchanger which can effectively solve the problems in the background technology. In order to achieve the above purpose, the utility model discloses a plate heat exchanger, which adopts the technical scheme that the plate heat exchanger comprises a bracket, wherein a cooling liquid inlet and outlet pipe and a cooling medium inlet and outlet pipe are arranged on the bracket, an upper side plate is arranged below the bracket, a core body is arranged below the upper side plate, a lower side plate is arranged below the core body, the core body comprises a first heat exchange lamination, the first heat exchange lamination is fixed with the upper side plate, a turbulent flow bulge is arranged on the surface of the first heat exchange lamination, a second heat exchange lamination is arranged below the first heat exchange lamination, a radiating fin is arranged between the second heat exchange lamination and the first heat exchange lamination, a plurality of first heat exchange lamination, the second heat exchange lamination and the radiating fin are sequentially connected and mutually sealed. As a preferable technical scheme of the utility model, a first refrigerant port and a first cooling liquid port are formed in the upper side plate, the first refrigerant port is communicated with the refrigerant inlet and outlet pipe, the first cooling liquid port is communicated with the cooling liquid inlet and outlet pipe, and a first sealing protrusion is arranged at the bottom of one edge of the first refrigerant port. As a preferable technical scheme of the utility model, the first heat exchange lamination is fixed below the upper side plate, the upper side plate is provided with a second refrigerant port and a second cooling liquid port, the middle part of the upper side plate is provided with a first downward flow guide bulge, the upper side of the upper side plate is provided with a plurality of flow disturbing bulges, the edge of the second refrigerant port is provided with a second downward sealing bulge, the edge of the second cooling liquid port is provided with a third upward sealing bulge, the first sealing bulge is jointed with the second sealing bulge, the third sealing bulge is jointed with the upper side plate and communicated with the first cooling liquid port, and the flow disturbing bulge is jointed with the upper side plate. As a preferable technical scheme of the utility model, a second heat exchange lamination is arranged below the second heat exchange lamination, a third refrigerant port and a third cooling liquid port are formed in the second heat exchange lamination, a second diversion protrusion is arranged downwards in the middle of the second heat exchange lamination, a fourth sealing protrusion is arranged upwards in the third refrigerant port, a fifth sealing protrusion is arranged downwards in the third cooling liquid port, the fourth sealing protrusion is attached to the second sealing protrusion, and the fifth sealing protrusion is attached to the third sealing protrusion in a three-phase mode. As a preferable technical scheme of the utility model, the radiating fins are provided with a plurality of flow channels, the flow channels are provided with partition cavities, and the par