Pre-integrated oil cooling module and vehicle

Abstract

The invention relates to a pre-integrated oil cooling module (10) at least for a drive-cooling system (12) for cooling a drive unit (14), in particular an electrical drive unit (EDU), using oil as a heat transfer medium for an in particular battery- and / or fuel-cell-operated vehicle (16), comprising at least one drive-cooling component (18, 20), which is designed as an oil pump at least for recirculation of the heat transfer medium and / or as an oil heat exchanger for dissipating heat absorbed by the drive unit (14) via the heat transfer medium, and comprising at least one further drive-cooling component (22, 52, 54, 56) of the drive-cooling system (12) and / or at least one battery temperature control component (24, 26, 28, 30) of a battery temperature control system (32) of the vehicle (16) and / or at least one passenger compartment temperature control component (34; 36) of a passenger compartment temperature control system (38) of the vehicle (16).

Description

[0001] Description

[0002] Pre-integrated oil cooling module and vehicle

[0003] State of the art

[0004] Vehicle drive systems, especially electric vehicles, generate heat that must be dissipated. This is usually done using cooling circuits consisting of numerous individual components.

[0005] Disclosure of the invention

[0006] A pre-integrated oil cooling module is proposed at least for a drive cooling system for cooling a drive unit, in particular an electric drive unit (EDU), using oil as a heat transfer medium of a vehicle, in particular a battery- and / or fuel cell-powered vehicle, comprising at least one drive cooling component which is designed as an oil pump at least for circulating the heat transfer medium and / or as an oil heat exchanger for dissipating heat absorbed by the heat transfer medium from the drive unit, and comprising at least one further drive cooling component of the drive cooling system and / or at least one battery temperature control component of a battery temperature control system of the vehicle and / or at least one passenger compartment temperature control component of a passenger compartment temperature control system of the vehicle.

[0007] The inventive design of the pre-integrated oil cooling module advantageously reduces complexity, as only the pre-integrated oil cooling module needs to be installed in the vehicle instead of numerous individual components. Performance and efficiency can be advantageously increased, as the individual components of the pre-integrated oil cooling module can be optimally coordinated with one another thanks to the modular design. Installation space can be advantageously reduced, as the modular design allows for optimal arrangement in a smaller installation space.

[0008] The pre-integrated oil cooling module is preferably provided for a vehicle, in particular an electric vehicle. The vehicle is preferably designed as a battery-operated and / or fuel cell-operated vehicle. Alternatively, the vehicle could also be designed with an internal combustion engine and / or a motor deemed suitable by a person skilled in the art as a drive. The vehicle is designed, for example, as a passenger car, a commercial vehicle, a rail vehicle, a ship and / or an aircraft, or as a drone. It is conceivable that the pre-integrated oil cooling module is designed for use in a stationary machine, such as a machine tool. In particular, the pre-integrated oil cooling module could be designed so that it can be retrofitted into a vehicle and / or a stationary machine. In particular, the pre-integrated oil cooling module is designed as a spare part.In particular, the pre-integrated oil cooling module is designed in different versions, in particular with a different number of components. In particular, the different versions of the pre-integrated oil cooling module are designed to be interchangeable and / or expandable with one another.

[0009] A “pre-integrated module” is to be understood in particular as a prefabricated assembly which can be assembled by simply screwing and / or plugging in (plug and play), in particular without prior assembly and / or calibration of the individual components of the prefabricated assembly, preferably by an assembler without specific specialist knowledge. A “module” is to be understood in particular as an assembly which has various components which are firmly installed and / or integrated into one another and / or at least firmly installed on a carrier element. An “oil cooling module” is to be understood in particular as an assembly which performs a cooling function, wherein the carrier fluid is in the form of oil. In particular, the oil is intended to absorb and transport heat away from the component to be cooled, in particular the drive.In particular, the pre-integrated oil cooling module forms a single, prefabricated component with which all components included in the oil cooling module can preferably be installed in the vehicle in a single assembly step. In particular, the oil cooling module can be delivered to a vehicle assembly line in one piece. However, it is also conceivable for the oil cooling module to be expandable or separable, at least in part. In particular, the oil cooling module has defined interfaces intended for assembly with suitable counterparts and / or suitable mounts of the respective vehicle. In particular, the oil cooling module is designed for plug-and-play installation.

[0010] The drive cooling system is preferably designed to cool at least one drive unit. The drive cooling system preferably has at least one oil cooling system. The heat transfer medium, in particular a carrier fluid, is preferably in the form of an oil, in particular mineral oil. Alternatively, it is conceivable for the carrier fluid to be in the form of a cooling fluid, in particular a water- and / or glycol-based cooling fluid, which contains various additives, such as antifreeze and / or corrosion protection. The oil is preferably provided to absorb heat from the drive unit. The oil heat exchanger is preferably designed to transfer the heat from the oil to the cooling fluid. The heat transfer from the oil to the cooling fluid preferably takes place free of any mass transfer between the oil and the cooling fluid.Preferably, the oil and the cooling liquid are arranged mechanically separated from one another, at least in the oil heat exchanger. Heat transfer between the oil and the cooling liquid preferably takes place along a temperature gradient. Alternatively, the oil heat exchanger could also be designed as a radiator, which is configured to dissipate heat to an environment, in particular to a gas. The "drive unit" comprises in particular at least one component, preferably all components, which are provided for driving the vehicle, such as one or more motors, in particular electric motors and / or generators, a transmission, power electronics, or the like. For example, the drive unit can be formed by an electric drive module which combines power electronics and electric motors."Intended" and / or "configured" should be understood in particular to mean specifically programmed, designed, and / or equipped. The fact that an object is intended for a specific function should be understood in particular to mean that the object fulfills and / or performs this specific function in at least one application and / or operating state.

[0011] The battery temperature control system is preferably configured to control the temperature of at least one drive battery and / or one or more batteries, preferably to cool and / or heat them. The battery is preferably configured as an energy storage device for driving the vehicle. Alternatively, the battery could also be configured as a different or additional battery from the energy storage device for the drive. The battery is preferably configured as a rechargeable accumulator, in particular a lithium-ion accumulator, a lead-acid accumulator, a solid-state accumulator, or a comparable accumulator.

[0012] The passenger compartment temperature control system is preferably designed to temperature control a passenger compartment, preferably to cool and / or heat it. In particular, the cooling and / or heating of the passenger compartment takes place via the temperature control of a coolant of the passenger compartment temperature control system. Preferably, the coolant of the drive cooling circuit of the drive cooling system and the coolant of the battery temperature control system and the coolant of the passenger compartment temperature control system are designed as the same and / or identical and / or interchangeable coolant and, in particular, have the same chemical composition. The oil cooling module is preferably modular and can have different designs. The pre-integrated oil cooling module preferably has at least one drive cooling component, which is integrated as a basis in every design of the oil cooling module.In particular, in at least one embodiment, at least one further drive component can also be integrated into the pre-integrated oil cooling module. In particular, the pre-integrated oil cooling module integrates at least the further drive cooling component of the drive cooling system and at least the battery temperature control component of the battery temperature control system. In particular, the pre-integrated oil cooling module integrates at least the further drive cooling component of the drive cooling system and at least the passenger compartment temperature control component of a passenger compartment temperature control system. In particular, the pre-integrated oil cooling module integrates at least the passenger compartment temperature control component of a passenger compartment temperature control system and at least the battery temperature control component of the battery temperature control system.It is conceivable that the pre-integrated oil cooling module comprises one and / or more additional cooling and / or temperature control systems integrated into the pre-integrated oil cooling module. In particular, the pre-integrated oil cooling module could comprise a multitude of possible combinations of each component of the drive cooling system, the battery temperature control system, the passenger compartment temperature control system, and each additional cooling and / or temperature control system.

[0013] It is further proposed that the oil cooling module comprise at least three or more drive cooling components of the drive cooling system and / or at least two or more battery temperature control components of the vehicle's battery temperature control system and / or at least two or more passenger compartment temperature control components of the vehicle's passenger compartment temperature control system. Complexity can advantageously be reduced, since in particular the pre-integrated oil cooling module comprises a larger number of components. Function can advantageously be improved, since in particular the components comprised by the pre-integrated oil cooling module are better coordinated with one another, and a larger number of components comprised by the pre-integrated oil cooling module therefore leads to optimized function.

[0014] It is further proposed that the additional drive cooling component be designed as a coolant pump of the drive cooling system that is different from the oil pump, as a coolant tank, as a coolant radiator, or as a bypass valve for selectively switching the coolant radiator on and off. Advantageously, a user-specific, pre-integrated oil cooling module can be provided, since, in particular, the number and / or component(s) of the drive cooling system can be configured as desired, particularly depending on the individual requirements of a user. Advantageously, efficiency can be improved, since, in particular, heat from the drive can be utilized by switching off the coolant radiator.Preferably, the coolant pump, in particular an electric one, of the drive cooling system is configured to circulate a coolant in the drive cooling circuit, in particular for cooling the drive. Preferably, the coolant pump of the drive cooling system is configured to provide a pressure, in particular coolant pressure, for circulating the coolant in the drive cooling circuit. Preferably, the coolant tank, in particular designed as a coolant buffer, is configured to hold excess coolant, in particular temporarily, and / or to provide additional coolant in the event of a coolant shortage. It is conceivable that the coolant tank, in particular as an expansion tank, can be used for multiple cooling circuits. In particular, the coolant tank has at least one, preferably two, preferably as many chambers as cooling circuits.Preferably, the coolant tank is connected in series with the drive cooling circuit. However, a parallel connection of the coolant tank with the drive cooling circuit is conceivable. Preferably, the coolant radiator is designed as a cooler and / or heat exchanger. Preferably, the coolant radiator is configured to transfer heat from the coolant at least substantially to ambient air, in particular at least substantially through thermal radiation and / or thermal convection. It is conceivable that the heat is dissipated to a liquid and / or to a solid, such as a housing or the like. It is conceivable that the coolant radiator is configured in addition to or alternatively to cooling by the coolant of the battery temperature control system and / or the passenger compartment temperature control system.The bypass valve is preferably provided for connecting and / or disconnecting the coolant radiator, in particular the drive cooling system. In particular, the coolant radiator is connected by the bypass valve at least in an operating state in which heat, in particular for cooling purposes, must be dissipated from the coolant. The bypass valve is preferably configured to disconnect the coolant radiator when the heat can be utilized by the drive. The bypass valve is preferably designed to be electronically controllable. It is conceivable that the bypass valve is configured to connect the coolant radiator, in particular in parallel, to the drive cooling system, the battery temperature control system, or the passenger compartment temperature control system.A "coolant" should be understood in particular to mean water and / or glycol and / or another carrier fluid mixed with various additives, such as antifreeze, corrosion protection, or the like. In particular, the carrier fluid, such as water or glycol, could be in the form of a pure substance, in particular without additives. It is conceivable for the coolant to be in the form of a cooling oil. "Heat" should be understood in particular to mean thermal energy, which is in the form of a temperature difference from a reference temperature, such as an ambient temperature and / or a coolant temperature and / or housing temperature or the like.

[0015] Furthermore, it is proposed that the battery temperature control components be designed as a coolant heat exchanger for dissipating heat generated by a vehicle's drive battery, as a coolant pump of the battery temperature control system, or as a drive battery heating element. Battery temperature control can advantageously be optimized, since, in particular, the battery temperature control components in the pre-integrated oil cooling module can be optimally coordinated with one another. Preferably, the battery of the battery temperature control system is designed as a drive battery and / or another battery, such as a consumer battery for supplying electrical energy to energy-intensive consumers, such as an auxiliary heater and / or multimedia system.Preferably, the coolant heat exchanger is configured to transfer heat from the coolant at least substantially to ambient air, in particular at least substantially through thermal convection. It is conceivable for the heat to be dissipated to a liquid, such as a coolant and / or refrigerant, and / or to a solid, such as a housing or the like. Preferably, the coolant pump, in particular an electric one, of the battery temperature control system is configured to circulate a coolant in a battery temperature control circuit of the battery temperature control system, in particular for cooling a drive battery and / or another battery. Preferably, the coolant pump of the battery temperature control system is configured to provide a pressure, in particular coolant pressure, for circulating the coolant in the battery temperature control circuit.Preferably, the coolant pump of the battery temperature control system is at least substantially identical in construction to the coolant pump of the drive cooling system. Preferably, the drive battery heating element is provided to heat the drive battery and / or another battery in at least one operating state, in particular during start-up. Preferably, the drive battery heating element is designed as a positive temperature coefficient (PTC) heating element. The PTC heating element is designed to control the temperature of gas mixtures, liquids, or solids, in particular in a self-regulating manner, in a very small space. It is conceivable for the drive battery heating element to be designed as a heating rod and / or heating wire and / or as another heating element that appears appropriate to a person skilled in the art.Preferably, the drive battery heating element is designed for preconditioning, in particular electrically, the battery in cold ambient conditions, in particular via the power grid of the vehicle.

[0016] It is additionally proposed that the passenger compartment temperature control components be designed as a passenger compartment heating element or as a coolant pump of the passenger compartment temperature control system. Comfort can advantageously be increased because, in particular, the passenger compartment temperature control components are better coordinated with one another, and passenger compartment temperature control is thereby optimized. The passenger compartment heating element is preferably provided to heat the passenger compartment in at least one operating state. The passenger compartment heating element is preferably designed as a positive temperature coefficient (PTC) heating element. The PTC heating element is designed to temperature-control gas mixtures, liquids, or solids, in particular in a self-regulating manner, in a very small space. It is conceivable that the passenger compartment heating element is designed as a heating rod and / or heating wire and / or as another heating element that appears appropriate to a person skilled in the art.Preferably, the passenger compartment heating element of the passenger compartment temperature control system is at least substantially identical in construction to the drive battery heating element of the battery temperature control system. Preferably, the coolant pump, in particular an electric one, of the passenger compartment temperature control system is configured to circulate a coolant in a passenger compartment temperature control circuit of the passenger compartment temperature control system, in particular for cooling the passenger compartment. Preferably, the coolant pump of the passenger compartment temperature control system is configured to provide a pressure, in particular coolant pressure, for circulating the coolant in a passenger compartment temperature control circuit. Preferably, the coolant pump of the passenger compartment temperature control circuit is at least substantially identical in construction to the coolant pump of the drive cooling system and / or the coolant pump of the battery temperature control system.

[0017] It is also proposed that the oil cooling module comprise at least one refrigeration circuit component of a separate refrigeration circuit, for example, a refrigerant expansion valve of the separate refrigeration circuit. This advantageously improves functionality, since, in particular, the coolant can be cooled to a temperature below ambient temperature. Energy consumption can be advantageously reduced, since, in particular, the refrigeration circuit can be activated only when needed.

[0018] Preferably, the refrigerant expansion valve is configured to adjust a refrigerant temperature, in particular to a temperature below the ambient temperature. Preferably, the refrigerant expansion valve is configured to regulate the cooling capacity of the coolant heat exchanger of the battery temperature control system. Preferably, the coolant heat exchanger of the battery temperature control system is connected to the separate refrigeration circuit.

[0019] It is further proposed that the oil cooling module have at least one linking valve for selectively connecting or disconnecting at least two coolant circuits of the drive cooling system, the battery temperature control system, and / or the passenger compartment temperature control system. Energy consumption can advantageously be reduced because, in particular, the cooling circuits can be separated from one another and / or connected to one another, thereby allowing heat and / or cold to be used to control the temperature of at least one drive and / or a drive battery and / or a passenger compartment. Preferably, the at least one linking valve is designed to be electrically controllable. It is conceivable that the linking valve, in particular an electrical one, is designed as a 3-way valve and / or a 5-way valve and / or a multi-way valve that would be deemed appropriate by those skilled in the art.Preferably, the drive cooling system and / or the battery temperature control system and / or the passenger compartment temperature control system are connected in at least one operating state via the at least one linking valve in a parallel circuit or in a series circuit.

[0020] It is additionally proposed that the oil cooling module have a manifold which comprises at least one line of a drive cooling circuit, at least one line of a battery temperature control circuit and / or at least one line of a passenger compartment temperature control circuit. Complexity can advantageously be reduced because, in particular, all lines are integrated into the manifold. Costs can advantageously be reduced because, in particular, both the packaging and the assembly / system integration effort for system integration into the vehicle are reduced. Preferably, the at least one line in the manifold is designed as a channel. Preferably, the manifold has at least one connection which is designed to connect, in particular fluidically, the drive to be cooled and / or the battery to be temperature controlled and / or the passenger compartment to be temperature controlled to the manifold.In particular, a housing of the pre-integrated oil cooling module is at least partially formed by the manifold. It is additionally proposed that the oil cooling module have at least one, in particular integrated, sensor, which is particularly configured to detect at least one temperature and / or pressure of one of the drive cooling components, one of the battery temperature control components, one of the passenger compartment temperature control components, and / or within a line of a cooling circuit. Advantageously, performance can be increased and energy consumption reduced, since the sensor, in particular, enables precise control and / or regulation of the pre-integrated oil cooling module. The sensor is preferably configured to detect a pressure and / or temperature and / or flow rate and / or humidity and / or glycol content, or another parameter deemed appropriate by a person skilled in the art.In particular, the drive cooling system and the battery temperature control system and the passenger compartment temperature control system each have at least one sensor.

[0021] Furthermore, it is proposed that the oil cooling module, comprising a central energy and / or data transmission interface, which is particularly configured to supply at least one module-integrated drive cooling component, at least one module-integrated battery temperature control component, at least one module-integrated passenger compartment temperature control component, at least one module-integrated linking valve for selectively connecting or disconnecting at least two coolant circuits and / or at least one module-integrated sensor with electrical energy and / or to equip it with a data connection. Complexity can advantageously be reduced because, in particular, the modular design of the pre-integrated oil cooling module with a central energy and / or data transmission interface reduces, for example, the number of cable harnesses. The pre-integrated oil cooling module preferably has at least one common cable harness.In particular, the pre-integrated oil cooling module has a common circuit board. Preferably, the pre-integrated oil cooling module has a common control and / or regulating unit. Preferably, the energy and / or data transmission interface is configured for connection to a control unit of the vehicle and / or a power supply via the battery and / or the control unit of the vehicle. Preferably, the central energy and / or data transmission interface is configured as a BUS connection and / or a USB connection and / or a LAN connection. It is conceivable for the data transmission interface to be configured as a wireless data transmission interface, such as a WLAN connection or a Bluetooth connection or a comparable connection.

[0022] Furthermore, a vehicle, in particular a battery- and / or fuel cell-powered vehicle, with a pre-integrated oil cooling module is proposed. Complexity can be reduced advantageously, since in particular the number of parts is reduced by the prefabricated oil cooling module. A function can be improved advantageously, since in particular the arrangement / integration of the components in the pre-integrated oil cooling module can improve a function, such as cooling performance. Energy consumption and thus CO2 emissions from the vehicle can be reduced advantageously, since the modular design of the pre-integrated oil cooling module optimizes a function and thus energy can be saved.

[0023] The pre-integrated oil cooling module according to the invention and the vehicle according to the invention are not intended to be limited to the application and embodiment described above. In particular, the pre-integrated oil cooling module according to the invention and the vehicle according to the invention may have a number of individual elements, components, units, and method steps that differs from the number stated herein to fulfill a functionality described herein. Furthermore, in the value ranges specified in this disclosure, values ​​within the stated limits are also to be considered disclosed and can be used arbitrarily.

[0024] drawing

[0025] Further advantages will become apparent from the following description of the drawings. The drawings illustrate an exemplary embodiment of the invention. The drawings, the description, and the claims contain numerous features in combination. Those skilled in the art will also expediently consider the features individually and combine them into useful further combinations.

[0026] They show:

[0027] Fig. 1 shows a vehicle with a pre-integrated oil cooling module according to the invention,

[0028] Fig. 2 an overview table with possible combinations for a compilation of different versions of the pre-integrated oil cooling module and

[0029] Fig. 3 is a circuit diagram / block diagram of an embodiment of the pre-integrated oil cooling module.

[0030] Description of the embodiment

[0031] Figure 1 shows a vehicle 16. The vehicle 16 is configured as a battery- and / or fuel cell-powered vehicle 16. The vehicle 16 has a drive unit 14. The drive unit 14 is configured as an electric drive unit (EDU). The vehicle 16 has a pre-integrated oil cooling module 10. The pre-integrated oil cooling module 10 is configured for a drive cooling system 12. The drive cooling system 12 is configured to cool the drive unit 14. The drive unit 14 of the battery- and / or fuel cell-powered vehicle 16 is cooled using oil as the heat transfer medium. Alternatively, the vehicle 16 could be cooled using cooling water or a comparable fluid as the heat transfer medium.

[0032] The table in Figure 2 shows possible embodiments 62 of the pre-integrated oil cooling module 10. The pre-integrated oil cooling module 10 has at least one drive cooling component 18, 20. The drive cooling component 18 can be designed as an oil pump. The oil pump is configured to circulate the heat transfer medium. The oil pump provides a cooling volume flow. The drive cooling component 20 can be designed as an oil heat exchanger. The oil heat exchanger is configured to dissipate heat absorbed by the heat transfer medium from the drive unit 14. It is also conceivable for the oil cooling module 10 to have the two drive cooling components 18, 20: oil pump and oil heat exchanger. The drive cooling components 18, 20 are part of the drive cooling system 12. The drive cooling components 18, 20 are configured to cool the drive unit 14.It is conceivable that the pre-integrated oil cooling module 10 comprises only one and / or two drive cooling components 18, 20. The pre-integrated oil cooling module 10 could additionally comprise further drive cooling components 22, 52, 54, 56 of the drive cooling system 12. The pre-integrated oil cooling module 10 could additionally comprise further battery temperature control components 24, 26, 28, 30 of a battery temperature control system 32 of the vehicle 16. The pre-integrated oil cooling module 10 could additionally comprise further passenger compartment temperature control components 34, 36 of a passenger compartment temperature control system 38 of the vehicle 16.

[0033] The pre-integrated oil cooling module 10 has a modular design. The pre-integrated oil cooling module 10 could comprise any combination of the drive cooling components 18, 20 and / or the additional drive cooling components 22, 52, 54, 56 and / or the battery temperature control components 24, 26, 30, 32 and / or the passenger compartment temperature control components 34, 36. Furthermore, the pre-integrated oil cooling module 10 could comprise additional drive cooling components and / or additional battery temperature control components and / or additional passenger compartment temperature control components. It is even conceivable for the pre-integrated oil cooling module 10 to comprise additional cooling systems and / or temperature control systems in addition to the drive cooling system 12, the battery temperature control system 32, and the passenger compartment temperature control system 38.

[0034] Figure 3 shows an example of a block diagram of one of the embodiments 62 of the pre-integrated oil cooling module 10. The embodiment 62 of the pre-integrated oil cooling module shown in Figure 3 comprises the drive cooling system 12, the battery temperature control system 32, and the passenger compartment temperature control system 38. One of the further drive cooling components 22 is designed as a coolant pump of the drive cooling system 12, different from the oil pump. The coolant pump is designed as an electrically driven coolant pump. The coolant pump is designed to be automatically controllable and / or regulated. The coolant pump provides a cooling volume flow. One of the further drive cooling components 52 is designed as a coolant tank. The coolant tank has one chamber. Alternatively, the coolant tank could have multiple chambers.Alternatively, the coolant tank could have a chamber for each cooling circuit. The coolant tank is provided to receive excess coolant from a drive cooling circuit of the drive cooling system 12. The coolant tank is provided to provide coolant for the drive cooling circuit. The coolant tank is configured as a type of buffer for the drive cooling system 12. One of the further drive cooling components 54 is designed as a coolant radiator. The coolant radiator is configured to dissipate heat from the coolant. It is also conceivable for the pre-integrated oil cooling module 10 to be designed without a tank. For this purpose, the active components can be combined, for example, in a manifold 44 of the pre-integrated oil cooling module 10. The coolant radiator is designed as a cooler. The cooler is designed as an air cooler.Alternatively, the cooler could also be designed as a heat exchanger, which transfers the heat from the cooling fluid to another carrier fluid. One of the additional drive cooling components 56 is designed as a bypass valve. The bypass valve is designed to selectively switch the cooling fluid radiator on and off. For example, the cooling fluid radiator could be switched on when the drive is running at full load and temporarily requires additional cooling.

[0035] One of the battery temperature control components 26 is designed as a coolant pump of the battery temperature control system 32. The coolant pump is designed as an electrically driven coolant pump. The coolant pump is designed to be automatically controllable and / or regulated. The coolant pump provides a cooling volume flow. The coolant pump of the battery temperature control system 32 is structurally identical to the coolant pump of the drive cooling system 12. The coolant pump of the battery temperature control system 32 is configured to circulate a coolant of a battery temperature control circuit of the battery temperature control system 32. One of the battery temperature control components 28 is designed as a drive battery heating element. The drive battery heating element is configured to heat the drive battery.For example, the drive battery heating element could heat a drive battery 58 and / or other batteries when the vehicle 16 is started and / or at low temperatures. The drive battery heating element is designed as a heating element with a positive temperature coefficient (PTC heating element). The drive battery heating element could also be designed as a comparable electrical heating element, such as a heating wire. One of the battery temperature control components 24 is designed as a coolant heat exchanger. The coolant heat exchanger is designed to dissipate heat generated by the drive battery 58 of the vehicle 16. The pre-integrated oil cooling module 10 has a refrigeration circuit component 40 of a separate refrigeration circuit 42. The refrigeration circuit component 40 is designed as a refrigerant expansion valve of the separate refrigeration circuit 42.The refrigerant expansion valve is configured to control / regulate the temperature of a refrigerant in the refrigeration circuit 42. The coolant heat exchanger of the battery temperature control system 38 is configured to transfer the heat from a coolant of a battery temperature control circuit from the battery temperature control system 38 to the refrigerant in the refrigeration circuit 42.

[0036] One of the passenger compartment temperature control components 34 is designed as a passenger compartment heating element. The passenger compartment heating element is designed as a heating element with a positive temperature coefficient (PTC heating element). The passenger compartment heating element could also be designed as a comparable electrical heating element, such as a heating wire. The passenger compartment heating element is structurally identical to the drive battery heating element. One of the passenger compartment temperature control components 36 is designed as a coolant pump of the passenger compartment temperature control system 38. The coolant pump is designed as an electrically driven coolant pump. The coolant pump is designed to be automatically controllable and / or regulated. The coolant pump provides a cooling volume flow. The coolant pump of the passenger compartment temperature control system 38 is structurally identical to the coolant pump of the drive cooling system 12.The coolant pump of the passenger compartment temperature control system 38 is configured to circulate a coolant of a passenger compartment temperature control circuit 68 of the passenger compartment temperature control system 38. One of the passenger compartment temperature control components 60 is designed as a passenger compartment heat exchanger. The passenger compartment heat exchanger is provided to transfer the heat of the coolant of the passenger compartment temperature control system 38 to the air of a passenger compartment.

[0037] The pre-integrated oil cooling module 10 has two connecting valves 50, 50'. The connecting valve 50, 50' is designed as a 3-way valve. The connecting valve 50 is provided to fluidically connect a drive cooling circuit 64 of the drive cooling system 12 to a battery temperature control circuit 66 of a battery temperature control system 32. The connecting valve 50' is provided to fluidically connect the battery temperature control circuit 66 to the passenger compartment temperature control circuit 68. The connecting valve 50, 50' is configured to selectively and automatically connect or disconnect two or three coolant circuits. Using the connecting valve 50, for example, the drive cooling circuit 64 can be connected and / or disconnected to the battery temperature control circuit 66 and / or to the passenger compartment temperature control circuit 68.Alternatively, the pre-integrated oil cooling module 10 could also have only one linking valve 50, which is designed as a 5 / 2-way valve. The 5 / 2-way valve could be configured to selectively and automatically connect and disconnect the circuits of the drive system, the battery temperature control system, and the passenger compartment temperature control system. The linking valve 50, 50' is configured to connect the three circuits in series or in parallel. For example, each of the three circuits can be configured to be self-sufficient and / or operable independently of one another. For example, two of the three circuits can be connected in series. For example, all three circuits can be connected in series. The linking valve is configured to be electrically controllable / regulatable.

[0038] The pre-integrated oil cooling module 10 has a manifold 44. The manifold 44 has a line of a drive cooling circuit 64. The manifold 44 has a line of the battery temperature control circuit 66. The manifold 44 has a line of the passenger compartment temperature control circuit 68. The manifold 44 could also have multiple lines and / or pipes and / or channels. The manifold 44 partially forms a housing of the pre-integrated oil cooling module 10. The use of a single housing eliminates the need for an additional mechanical and hydraulic interface. For example, the number of coolant connections for the conventional approach, which only comprises individual components, can be reduced from 25 to 7 using one of the embodiments 62 of 31 (see Fig. 2). For example, fewer auxiliary elements, such as holders, clamps, and seals, are required, thereby reducing the risk of leaks.

[0039] The pre-integrated oil cooling module 10 has a sensor 46. The sensor 46 is configured to detect a temperature and / or pressure of one of the drive cooling components 18, 20, 22, 52, 54, 56 and one of the battery temperature control components 24, 26, 28, 30 and one of the passenger compartment temperature control components 34, 36. It is also conceivable for the sensor to detect a pressure and / or temperature only at individual components. The sensor detects the temperature and / or pressure within the line of the drive cooling circuit 64 and the battery temperature control circuit 66 and the passenger compartment temperature control circuit 68. The sensor could also be configured to detect a humidity and / or a glycol content of the coolant and / or a flow rate and / or a parameter deemed appropriate by a person skilled in the art.

[0040] The pre-integrated oil cooling module 10 has a central power and data transmission interface 48. The power and data transmission interface 48 is configured to supply a module-integrated drive cooling component 18, 20, 22, 52, 54, 56, a module-integrated battery temperature control component 24, 26, 28, 30, a module-integrated passenger compartment temperature control component 34, 36, the module-integrated linking valve 50, and the module-integrated sensor 46 with electrical power and / or to provide them with a data connection. The data interface 48 is configured to connect to the control unit of the vehicle 16. The power interface 48 is configured to connect to the drive battery.The energy and data interface 48 is integrated in such a way that it is cooled by the coolant from the drive cooling circuit 64 and / or the battery temperature control circuit 66 and / or the passenger compartment temperature control circuit 68.

Claims

Claims 1. Pre-integrated oil cooling module (10) at least for a drive cooling system (12) for cooling a drive unit (14), in particular an electric drive unit (EDU), using oil as a heat transfer medium of a vehicle (16), in particular a battery- and / or fuel cell-powered vehicle (16), comprising at least one drive cooling component (18, 20) which is designed as an oil pump at least for circulating the heat transfer medium and / or as an oil heat exchanger for dissipating heat absorbed by the heat transfer medium from the drive unit (14), and comprising at least one further drive cooling component (22, 52, 54, 56) of the drive cooling system (12) and / or at least one battery temperature control component (24, 26, 28, 30) of a battery temperature control system (32) of the vehicle (16) and / or at least one passenger compartment temperature control component (34, 36) of a passenger compartment temperature control system (38) of the vehicle (16).

2. Pre-integrated oil cooling module (10) according to claim 1, comprising at least three drive cooling components (18, 20, 22, 52, 54, 56) of the drive cooling system (12) and / or at least two battery temperature control components (24, 26, 30, 32) of the battery temperature control system (32) of the vehicle (16) and / or at least two passenger compartment temperature control components (34, 36) of the passenger compartment temperature control system (38) of the vehicle (16).

3. Pre-integrated oil cooling module (10) according to one of the preceding claims, characterized in that the further drive cooling component (22, 52, 54, 56) is designed as a coolant pump of the drive cooling system (12) different from the oil pump, as a coolant tank, as a coolant radiator or as a bypass valve for selectively switching the coolant radiator on and off. Pre-integrated oil cooling module (10) according to one of the preceding claims, characterized in that the battery temperature control components (24, 26, 28, 30) are designed as a coolant heat exchanger for dissipating heat generated by a drive battery of the vehicle (16), as a coolant pump of the battery temperature control system (32), or as a drive battery heating element. Pre-integrated oil cooling module (10) according to one of the preceding claims, characterized in that the passenger compartment temperature control components (34, 36) are designed as a passenger compartment heating element or as a coolant pump of the passenger compartment temperature control system (38). Pre-integrated oil cooling module (10) according to one of the preceding claims, comprising at least one refrigeration circuit component (40) of a separate refrigeration circuit (42), for example a refrigerant expansion valve of the separate refrigeration circuit (42).Pre-integrated oil cooling module (10) according to one of the preceding claims, comprising at least one linking valve (50) for selectively connecting or disconnecting at least two coolant circuits of the drive cooling system (12), the battery temperature control system (32), and / or the passenger compartment temperature control system (38). Pre-integrated oil cooling module (10) according to one of the preceding claims, comprising a manifold (44) which comprises at least one line of a drive cooling circuit (64) of the drive cooling system (12), at least one line of a battery temperature control circuit (66) of the battery temperature control system (32), and / or at least one line of a passenger compartment temperature control circuit (68) of the passenger compartment temperature control system (38). Pre-integrated oil cooling module (10) according to one of the preceding claims, comprising at least one sensor (46), which in particular is designed to detect at least one temperature and / or one pressure of one of the drive cooling components (18, 20, 22, 52, 54, 56), one of the battery temperature control components (24, 26, 28, 30), one of the passenger compartment temperature control components (34, 36) and / or within a line of a cooling circuit.Pre-integrated oil cooling module (10) according to one of the preceding claims, comprising a central energy and / or data transmission interface (48), which is particularly configured to supply at least one module-integrated drive cooling component (18, 20, 22, 52, 54, 56), at least one module-integrated battery temperature control component (24, 26, 28, 30), at least one module-integrated passenger compartment temperature control component (34, 36), at least one module-integrated linking valve (50) for selectively connecting or disconnecting at least two coolant circuits, and / or at least one module-integrated sensor (46) with electrical energy and / or to provide them with a data connection. A vehicle (16), in particular a battery- and / or fuel cell-powered vehicle (16), comprising a pre-integrated oil cooling module (10) according to one of the preceding claims.

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