CN-122029067-A - Thermal management system having at least one thermal management module, prefabricated unit, and battery electric vehicle having thermal management system with thermal management module

CN122029067ACN 122029067 ACN122029067 ACN 122029067ACN-122029067-A

Abstract

A thermal management system (1) comprising a temperature control circuit (2) of a battery electric vehicle (3) in which a temperature control medium is flowable or flowing, wherein the temperature control circuit (2) comprises at least one first sub-circuit (20) for temperature controlling a battery (30), such as a power battery, at least one second sub-circuit (21) for temperature controlling at least one electronic component (31), and at least one third sub-circuit (22) comprising at least one main heat exchanger (32) for absorbing heat from and releasing heat to the ambient air, and for transferring heat to and from the temperature control medium, and wherein the thermal management system (1) comprises at least one thermal management module (5), the thermal management module (5) comprising at least one plate-shaped flat carrier structure part (50), components (51, 52, 53, 54) for transporting the temperature control medium and components (55, 56) for mass flow regulation being arrangeable or arranged on the carrier structure, or in which the thermal management module (5) is connected to the thermal management module (5), wherein the thermal management module (1) comprises at least one plate-shaped flat carrier structure part (50), the thermal management module (20) and the thermal management module (20) is connected to the thermal management module (1) in the fluid-carrying structure (20, the thermal management module (20), 26 In fluid communication with the heat exchanger and/or the heat source and the heat sink, wherein the thermal management module (5) is arranged in the region of or on the main heat exchanger (32).

Inventors

Tobias Etschede
Sven gmina
Ottfried Schwarzkopf
Phillips Rajan
Patrick Senmler

Assignees

福士汽车配套部件责任有限公司

Dates

Publication Date: 20260512
Application Date: 20240930
Priority Date: 20231002

Claims (12)

1. A thermal management system (1) comprising a temperature control loop (2) of a battery electric vehicle (3) in which a temperature control medium is capable of flowing or is flowing, wherein the temperature control loop (2) comprises at least one first sub-loop (20) for temperature controlling a battery (30), such as a power battery, at least one second sub-loop (21) for temperature controlling at least one electronic component (31), and at least one third sub-loop (22) comprising at least one main heat exchanger (32) for absorbing heat from and releasing heat to the ambient air, and for transferring heat to and from the temperature control medium, and wherein the thermal management system (1) comprises at least one thermal management module (5), characterized in that the thermal management module (5) comprises at least one plate-like flat load-bearing structure part (50), components (51, 52, 53, 54) for transporting the temperature control medium and components (55) for mass flow regulation, which are arranged or arranged in the load-bearing structure (5) in which the thermal management module (5) is or the load-bearing structure (5) is formed, wherein the thermal management module (1) is arranged in the fluid-carrying structure (1) or the load-bearing structure (50) is arranged in which the thermal management module (1) is connected to the load-bearing structure (5), 21. 22, 23, 24, 25, 26) and/or a heat source and a heat sink, wherein the thermal management module (5) is arranged in the region of the main heat exchanger (32) or on the main heat exchanger (32).
2. The thermal management system (1) according to claim 1, wherein the thermal management module (5), in particular a plate-like flat load-bearing structural member (50) thereof, partially covers a surface of the main heat exchanger (32).
3. The thermal management system (1) according to claim 1 or 2, wherein the refrigerant circuit (4) is at least partially integrated in the thermal management module (5).
4. A thermal management module (5) for managing the mass flow of at least one temperature control medium in a temperature control circuit (2) of a thermal management system (1) according to any one of the preceding claims, characterized in that the thermal management module (5) comprises at least one plate-shaped flat carrier structure part (50) in which fluid passages are formed, wherein parts (51, 52, 53, 54) for transporting temperature control medium and parts (55, 56) for mass flow regulation can be arranged or already arranged on the at least one plate-shaped flat carrier structure part (50) or integrated in the carrier structure part, the at least one plate-shaped flat carrier structure part (50) having at least one opening (57) for air flow through and at least one connection means (58) for connecting the thermal management module (5) with the main heat exchanger (32) of the thermal management system (1).
5. The thermal management module (5) according to claim 4, characterized in that the thermal management module (5) comprises at least one thermal management control unit (60) which can be arranged or already arranged at or on the plate-shaped flat load-bearing structural component (50) or which can be integrated or already integrated in the load-bearing structural component.
6. Thermal management module (5) according to claim 4 or 5, characterized in that the plate-shaped flat load-bearing structural member (50) is elongated straight (LANGGESTRECKT GERADE) for single-sided arrangement on the main heat exchanger (32) or L-shaped for double-sided arrangement on the main heat exchanger (32).
7. A prefabricated unit (7) consisting of a main heat exchanger (32) for a battery electric vehicle (3) arranged in a front region (131) of the vehicle (3) and at least one thermal management module (5) according to any one of claims 4 to 6, wherein at least one of the thermal management modules (5) is arranged on the main heat exchanger (32) and connected thereto.
8. The prefabricated unit (7) according to claim 7, wherein the thermal management module (5) is arranged on the main heat exchanger (32) at an angle (α) with respect to the main heat exchanger (32).
9. A battery electric vehicle (3) comprising a thermal management system (1) according to any of claims 1 to 3, the thermal management system (1) having at least one thermal management module (5), characterized in that at least one thermal management module (5) of the thermal management system (1) is arranged in the area of the main heat exchanger (32) of the battery electric vehicle (3) or on the main heat exchanger (32).
10. The battery electric vehicle (3) according to claim 9, characterized in that the main heat exchanger (32) of the battery electric vehicle (3) is a cooling water heat exchanger located in a front region (131) of the battery electric vehicle (3).
11. Battery electric vehicle (3) according to claim 9or 10, characterized in that the thermal management module (5) is arranged behind the active area (321) of the main heat exchanger (32) and/or in that the thermal management module (5) is arranged outside the active area (321) of the main heat exchanger (32) in the direction towards the engine compartment and/or the passenger compartment of the vehicle, seen in the direction of travel of the vehicle (3).
12. Battery electric vehicle (3) according to any one of claims 9 to 11, characterized in that at least the thermal management module (5), in particular the main heat exchanger (32) of the battery electric vehicle (3) and the at least one thermal management module (5) arranged thereon, are arranged at an angle (a), in particular at an angle (a) of up to 35 °, with respect to a vertical line (S) in the battery electric vehicle (3).

Description

Thermal management system having at least one thermal management module, prefabricated unit, and battery electric vehicle having thermal management system with thermal management module Technical Field The invention relates to a thermal management system comprising a temperature control circuit of a battery electric vehicle in which a temperature control medium can flow or is flowing, wherein the temperature control circuit comprises at least one first sub-circuit for controlling the temperature of a battery, for example a power battery, at least one second sub-circuit for controlling the temperature of at least one electronic component and at least one third sub-circuit comprising at least one main heat exchanger for absorbing heat from ambient air and releasing heat to ambient air and for transferring heat to and from the temperature control medium, and a thermal management module for managing the mass flow of at least one temperature control medium in the temperature control circuit of such a thermal management system, and a prefabricated unit consisting of a vehicle main heat exchanger for being arranged in a front region of the vehicle and at least one such thermal management module, and a battery electric vehicle having such a thermal management system comprising at least one thermal management module. Background In today's vehicles, in particular electric and hybrid vehicles, more and more electronic control components, such as electrically adjustable regulating valves, electrically adjustable pumps, and a large number of sensors, etc., are arranged along the fluid circuit or temperature control circuit of the vehicle, such as the cooling circuit. This has the advantage that an on-demand and vehicle-state-optimized thermal management can be achieved, which on the one hand improves the ride comfort and on the other hand contributes to the range optimization. The temperature control medium used is guided in a closed system of the vehicle temperature control circuit. Such a temperature control circuit comprises at least one first sub-circuit for temperature control of the power battery, at least one second sub-circuit for temperature control of the at least one electronic component, and at least one third sub-circuit, which comprises a main heat exchanger for absorbing heat from and releasing heat to the vehicle ambient air, and through which a temperature control medium likewise flows, so that heat transfer to and from the temperature control medium can be achieved by the main heat exchanger. The air conditioning comfort of the vehicle interior or of the cabin can also be adjusted by the third sub-circuit. Each sub-circuit has a supply line and a return line, respectively. The structure of the conventional thermal management system is very complicated because it includes a plurality of cooling circuits coupled to each other and nested with each other, and a large number of components such as pumps, batteries, electric auxiliary heaters, etc. In order to solve this problem, DE 10 2021 102473 A1 proposes a thermal management module for a motor vehicle cooling system having an electric drive system, which has a module housing with a plurality of cooling fluid connections, wherein the cooling fluid connections comprise a first cooling fluid connection, a second cooling fluid connection and a third cooling fluid connection, and a regulating valve is provided which is arranged in the module housing for controlling the fluid flow between the cooling fluid connections. The thermal management module has a first connecting line for conducting a cooling fluid, wherein the first connecting line places the first cooling fluid port in fluid communication with the second cooling fluid port. However, the prior art thermal management module according to DE 10 2021 102473 A1 is likewise very complex and costly in terms of construction, which is constructed in the form of a 9/x-way valve for regulating the cooling medium in the different branches of the cooling system. An interior space is formed inside the module housing of the prior art thermal management module, in which interior space a control valve in the form of a rotary slide valve is arranged. By means of the regulating valve, the fluid communication between the individual cooling fluid connections can be switched or interrupted. For this purpose, the control valve has a valve chamber with valve chamber openings which can be aligned with the respective cooling fluid connections, so that at least two cooling fluid connections can be in fluid communication with one another via a valve chamber. Not only does this prove disadvantageous due to the complexity of the thermal management module, but it also is that the thermal management module is designed for a particular application and cannot be used flexibly or universally. This results in a relatively small number of thermal management modules manufactured in this way and correspondingly in a relatively high cost of