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KR-102963934-B1 - Heat exchanger module

KR102963934B1KR 102963934 B1KR102963934 B1KR 102963934B1KR-102963934-B1

Abstract

A heat exchange module is disclosed. In this embodiment, an inverter module coupled to a compressor is detached and attached to a chiller through which a low-temperature working fluid moves, thereby enabling cooling through heat exchange.

Inventors

  • 곽정명
  • 최준식
  • 김용희

Assignees

  • 한온시스템 주식회사

Dates

Publication Date
20260512
Application Date
20220106

Claims (20)

  1. Heat exchange components; A manifold providing a flow path for a fluid moving between the above heat exchange components; and It includes a bracket and an electric compressor configured to mount the above manifold and the above heat exchange components, The above electric compressor includes a compression unit for compressing refrigerant, a motor unit for transmitting driving force, and a control unit on which various circuit elements are mounted to control the motor unit, wherein The above control unit is installed separately from the above compression unit and the above motor unit, and The above bracket includes a bottom portion forming a floor and a wall portion extending upward from the bottom portion to form a wall, and The above heat exchange components are arranged separately at the front and rear based on the wall, respectively, The above electric compressor is placed in the floor portion, and the second component is placed in the wall portion, and The above manifold includes a plate-shaped first manifold having a first fluid path formed inside, and a plate-shaped second manifold having a second fluid path formed inside. The above manifold is configured such that the first manifold and the second manifold are each independently arranged based on the wall portion, The second component above includes a first chiller configured to allow fluid to move for cooling a battery module equipped in an eco-friendly vehicle, and a second chiller configured to allow fluid to move for cooling the interior of the eco-friendly vehicle. A heat exchange module characterized by the above-mentioned control unit being installed in a state of surface contact with the outer surface of the first chiller or the second chiller.
  2. In Article 1, The above heat exchange components are positioned on one side of the bracket, with the compression section and motor section of the electric compressor arranged thereon, A heat exchange module having the control unit located on the other side of the bracket.
  3. In Article 2, The above heat exchange components include a first component in which the compression unit, the motor unit, a water-cooled condenser that exchanges heat with the refrigerant discharged from the electric compressor, and an accumulator are disposed on the same side of the bracket; A heat exchange module comprising the above-mentioned control unit and a second component disposed on the same side as the bracket.
  4. In Article 1, A heat exchange module characterized in that the above control unit is an inverter module electrically connected to the above electric compressor via a harness (H).
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  6. In Article 1, The above control unit is a heat exchange module in which cooling is achieved through heat transfer with a fluid transferred to the first chiller or the second chiller.
  7. In Article 1, The above control unit is a heat exchange module in which a state of surface contact is maintained in the transverse direction of the outer surface of the first chiller.
  8. In Article 1, The above control unit is a heat exchange module in which a state of surface contact in the transverse direction is maintained on the outer surfaces of the first chiller and the second chiller, respectively.
  9. In Article 1, A heat exchange module positioned with a heat transfer member interposed between the control unit and the outer surface of the first chiller.
  10. In Article 1, The above control unit is a heat exchange module in which a state of vertical surface contact is maintained on the outer surfaces of the first chiller and the second chiller, respectively.
  11. In Article 1, At least some of the above heat exchange components are mounted on the manifold and are in direct communication with the flow path of the manifold, and A heat exchange module in which at least some of the remaining heat exchange components are mounted on the bottom of the bracket and flexibly connected to the flow path of the manifold through a hose.
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  13. In Article 1, The above manifold includes a plate-shaped first manifold having a first fluid path formed inside, and a plate-shaped second manifold having a second fluid path formed inside. The first manifold is coupled to the front surface of the wall, and The second manifold above is a heat exchange module coupled to the rear of the wall portion.
  14. In Article 13, At least some of the components mounted in front of the above wall are mounted on the first manifold, and Among the components mounted at the rear relative to the above wall section, at least some, including the first and second chillers, are heat exchange modules mounted on the second manifold.
  15. In Article 14, Among the above heat exchange components, a water-cooled condenser, an accumulator, and an electric compressor are positioned in front of the wall section, and A heat exchange module in which the first and second chillers are arranged at the rear relative to the above wall section.
  16. In Article 15, The above water-cooled condenser and accumulator are directly mounted to the above first manifold, and The above compressor is directly mounted on the bottom part of the bracket, and The above first and second chillers are heat exchange modules directly mounted on the second manifold.
  17. In Article 16, The first manifold is provided with at least one first port having a structure that communicates with the first fluid path and protrudes a predetermined amount from the rear of the first manifold toward the rear, and A heat exchange module having a penetration structure formed in each of the above wall and the above second manifold, penetrating the wall and the above second manifold so that the above first port can penetrate.
  18. In Article 13, The second manifold is provided with at least one second port having a structure that communicates with the second fluid path and protrudes a predetermined amount from the rear of the second manifold toward the rear, and A heat exchange module having a penetration structure formed in the wall and the second manifold so that the second port can penetrate each of the wall and the first manifold.
  19. In Article 13, The first manifold is provided with at least one first inlet for introducing refrigerant or cooling water from the outside and at least one first outlet for discharging it to the outside. The second manifold is provided with at least one second inlet for introducing refrigerant or cooling water from the outside and at least one second outlet for discharging it to the outside. The first inlet and the first outlet are each located at the top of the first manifold, and The second inlet and the second outlet are each heat exchange modules located at the top of the second manifold.
  20. In Article 1, The heat exchange module further includes a case covering the upper side, and the case has a connector opening formed so that a low-voltage connector provided in the control unit and a high-voltage connector are exposed to the outside of the case.

Description

Heat exchanger module The present invention relates to a heat exchange module equipped in an eco-friendly vehicle, and more specifically, to a heat exchange module that improves the cooling efficiency of a control unit. Generally, due to environmental issues regarding internal combustion engine vehicles, there is a growing trend of expanding adoption of eco-friendly vehicles such as electric cars. However, conventional internal combustion engine vehicles can heat the interior using the engine's waste heat, allowing for convenient separate heating. Recently, various eco-friendly vehicles are being released with environmental considerations over internal combustion engine vehicles. For example, research on electric vehicles (EVs) is actively underway, as they are considered the most promising alternative for solving future automotive pollution and energy problems. Electric vehicles are broadly classified into fuel cell-driven vehicles driven by electricity generated by chemical changes, and secondary battery or battery cell-driven vehicles that obtain power by driving an AC or DC motor through the power of a battery, and also include methods of obtaining power by supplying power in ways other than those listed. These electric vehicles generate a large amount of heat when electricity is supplied to the vehicle's drive unit. Furthermore, since heat generation causes resistance to rise, accelerating discharge and reducing charging and discharging efficiencies, as well as shortening the vehicle's lifespan, a cooling water circulation circuit is installed to properly cool the vehicle. In addition, electric vehicles are equipped with refrigerant circulation circuits for cooling and heating the interior space and air circulation circuits for ventilating the interior air, similar to conventional internal combustion engine vehicles. In this way, electric vehicles are equipped with various types of valve devices capable of distributing, controlling, or interrupting fluid flow not only in the aforementioned battery coolant circulation circuit but also in the air circulation circuit, refrigerant circulation circuit, etc. Meanwhile, due to the electrification of vehicles, the need for thermal management has been newly added not only for the vehicle's interior but also for electrical components such as high-voltage batteries and motors. In other words, in the case of electric vehicles, the need for climate control differs for the interior space, battery, and electrical components, and there is a need for technology that can respond to them independently while efficiently cooperating to save energy as much as possible. The cooling system for electrical components primarily uses cooling water to cool electrical components, actuators, and HSG (hybrid start and generator), and in the case of severe cold, the cooling water is routed through a bypass circuit to bypass the radiator, while simultaneously using waste heat from PE components (Power Electronics) to pass through the battery, thereby raising the temperature of the battery. The electronic cooling system of an eco-friendly vehicle must satisfy various uses, such as heating, cooling, and waste heat recovery, from multiple heat exchange components. However, due to the limitations of the layout space within the vehicle, issues may arise such as limitations in the placement of each component, increased difficulty in designing hose routes and connecting them, the need for significant labor in individually installing and connecting each component and hose during vehicle mounting, and increased resistance on the coolant side due to complex routes, which results in a high load on the water pump. In addition, in a structure where the electric compressor, heat exchanger, refrigerant, and cooling water paths are modularized, the high ambient temperature of the electric compressor caused a problem where cooling was difficult due to the temperature rise of the inverter module. When the temperature of the above-mentioned inverter module rises to a high temperature, it causes problems such as damage to various circuit components or malfunctions that may result in errors in the electric compressor, thus necessitating a countermeasure for the stable cooling of the above-mentioned inverter module. FIG. 1 is a perspective view illustrating a heat exchange module according to one embodiment of the present invention. FIG. 2 is a perspective view of FIG. 1 shown from a different angle. Fig. 3 is a plan view of Fig. 1. Fig. 4 is a longitudinal cross-sectional view of Fig. 3. FIG. 5 is a perspective view showing the state in which a control unit according to the present embodiment is mounted on a heat exchange module. FIG. 6 is a drawing of FIG. 5 shown from a different angle. FIG. 7 is a drawing showing a state in which a control unit according to one embodiment of the present invention is installed in a second component. FIGS. 8 to 10 are drawings illustrating various installation states of a