Heat pump module for vehicle, axle unit and vehicle

Abstract

The invention relates to a heat pump module for a vehicle, an axle unit and the vehicle. The invention relates to a heat pump module comprising: at least one drivable component (11), the at least one component (11) being designed to generate vibrations during operation; at least one decoupling element (12), which is designed to decouple the at least one component (11), in particular in the installed state of the heat pump module (10), from the vehicle structure of the vehicle such that the generated vibrations are not transmitted or at least damped.

Description

Technical Field

[0001] The present invention relates to a heat pump module for a vehicle, in particular an electric vehicle or a hybrid vehicle, an axle unit having such a heat pump module, and a vehicle. Background Art

[0002] Vehicles, particularly electric and hybrid vehicles, require cooling systems to dissipate the power losses generated during operation and charging in various units, such as energy storage devices, electric motors, and other electronic components (e.g., inverters, DC / DC converters, DC / AC converters, etc.). Vehicle systems often have multiple cooling circuits to form a controlled thermal management system. One cooling medium circuit, typically containing a water-glycol-based coolant, dissipates heat from the various components to the environment. Another cooling circuit includes a heat pump or AC compressor for regulating the passenger compartment temperature or supporting heat dissipation from components. In some systems, a third cooling circuit dissipates heat from the transmission's lubrication and cooling oil systems.

[0003] Thermal management systems generate noise emissions due to the operation of their components, such as pumps and compressors. These noise emissions or excitations can only be compensated to a limited extent, resulting in residual airborne and structure-borne noise emissions that can be heard or perceived by passengers. Known systems consist of a combination of individual components that are arranged more or less distributed within the vehicle's installation space. Components, such as the compressor, are fastened to the vehicle structure via brackets. Examples of current vehicles show that the arrangement of the components is hardly optimized. In the arrangement of the components, the issue of noise, vibration, and harshness (NVH) is even barely or not taken into account, necessitating additional measures, such as in the form of sound insulation or soundproofing enclosures. While the focus is primarily on airborne sound emissions, structure-borne noise is nevertheless transmitted into the interior, leading to perceptible vibrations in the steering wheel, pedals, and even in the seats. Summary of the Invention

[0004] Therefore, the object of the present invention is to provide a heat pump module which has improved properties with respect to noise, vibration and harshness. In addition, the object of the present invention is to provide an axle assembly and a vehicle.

[0005] This object is achieved by a heat pump module having the features of claim 1 , an axle unit having the features of claim 9 , and a vehicle having the features of claim 10 .

[0006] According to one aspect of the present invention, a heat pump module for a vehicle, in particular an electric vehicle, a hybrid vehicle or a vehicle with a hydrogen-based drive, is provided. The heat pump module comprises: at least one drivable component, wherein the at least one component is designed to generate vibrations during operation; and at least one decoupling element, which is designed to decouple the at least one component, in particular from the vehicle structure of the vehicle in the installed state of the heat pump module, so that the generated vibrations are not transmitted or at least suppressed.

[0007] Compared to the prior art, the present invention offers the advantage of decoupling vibration-generating, driven components from the vehicle structure (e.g., the passenger compartment) through the decoupling element. This improves the noise-vibration-harshness characteristics of the heat pump module. Furthermore, it reduces the need for vehicle sound insulation.

[0008] According to one aspect of the present invention, the heat pump module is configured for use in a vehicle. More specifically, the heat pump module is configured for use in an electric vehicle, a hybrid vehicle, or a vehicle with a hydrogen-based drive. The heat pump module can be arranged in the rear or front region of the vehicle (relative to the main direction of travel).

[0009] The term "heat pump module" should be understood to mean a component or member of a vehicle that generates vibrations and / or noise during operation. This can be, for example, a component or installation with a heat pump, which can be handled as a unit. It is conceivable that the heat pump module comprises a single drivable component. The heat pump module preferably comprises at least one heat pump. The heat pump module may also preferably comprise further components, such as a compressor, a pump, a drive, connectors and / or valves. The heat pump module can, for example, be installed in the cooling circuit of a vehicle. In particular, the heat pump module can be provided as part of a thermal management system. In other words, the heat pump module according to the invention can be used in a cooling circuit or a thermal management system of a vehicle.

[0010] According to one aspect of the present invention, the drivable component may include a working machine and / or a power machine and / or a combination of these two machines. However, the drivable component may also be any other component that generates vibration and / or noise. A power machine is characterized by converting energy (such as chemical energy, thermal energy, or electrical energy) into mechanical energy. A working machine is characterized by absorbing energy in the form of mechanical work. The heat pump module, for example, includes a compressor and / or a pump (working machine) and / or an electric motor (power machine) for driving the compressor or pump.

[0011] The drivable component is designed to generate vibrations during operation. Thus, the drivable component generates vibrations while performing its primary function. The primary function of the drivable component should be understood as a function required for the functioning of the heat pump module. In other words, the generation of vibrations is a side effect of the drivable component. For example, vibrations are generated by the thrust generated when the coolant is compressed in the compressor. More specifically, vibrations are generated as a byproduct of the compressor's primary function (i.e., compressing the coolant).

[0012] In this context, vibrations are primarily understood to mean mechanical oscillations. In particular, they are understood to mean audible and / or perceptible mechanical oscillations. These vibrations can also be referred to as structure-borne noise. These vibrations can be perceived, for example, as vibrations, which can be perceived as disturbing by the vehicle driver during operation. Of course, these vibrations are at least partially accompanied by audible sound waves, which is also to be avoided.

[0013] The decoupling element is designed to decouple at least one drivable component so that the generated vibrations are not transmitted or at least suppressed. In this way, the drivable component of the heat pump module can be decoupled from the vehicle structure, for example, when installed in the vehicle, so that vibrations and noise emissions, in particular, are not so easily transmitted to the passenger compartment. In other words, the decoupling element is used to at least suppress the vibrations generated by the drivable component, or preferably to basically completely prevent the transmission of the generated vibrations. Decoupling is understood as mechanical decoupling on the one hand. In addition to mechanical decoupling, the positioning and orientation of the heat pump module or the drivable component that generates vibrations on the vehicle are also understood as decoupling elements. The positioning and orientation of the drivable component that generates vibrations define the emission direction or excitation direction of the vibrations. Advantageously, the emission direction or excitation direction of the drivable component that generates vibrations is directed away from the vehicle structure.

[0014] The emission or excitation direction of vibration is understood to be the direction of vibration in which the vibration can stimulate further vibrations or oscillations. Furthermore, the emission direction can describe the direction in which the vibration is emitted by the component. For example, a drivable component vibrates or oscillates, in particular back and forth, along a longitudinal axis. Therefore, the emission or excitation direction can be understood as a direction along the longitudinal axis, because when an object is connected to the drivable component, the vibration also stimulates vibrations or oscillations in this direction.

[0015] In one embodiment, the component includes a compressor unit configured to compress the cooling medium through a compression process, wherein the vibrations originate from the compression process. The compressor unit may include a scroll compressor, a centrifugal compressor, a screw compressor, or other types of compressors.

[0016] In another embodiment, the component includes a pump unit configured to stimulate circulation of a cooling medium or a refrigeration medium by a pumping process, wherein the vibrations originate from the pumping process. The pump unit may include a piston pump, a centrifugal pump, a peristaltic pump, a gear pump, or other types of pumps.

[0017] In one embodiment, the heat pump module comprises a drivable component embodied as a pump unit and a drivable component embodied as a compressor unit, wherein the pump unit and the compressor unit are oriented relative to each other such that the excitation directions of the vibrations generated by the pump unit and the compressor unit are directed essentially in the same direction.

[0018] In one possible embodiment, the vibrations generated by the drivable component (e.g., the compressor unit) during the compression process essentially have a first excitation direction, wherein the compressor unit is arranged on the heat pump module so that, in the state installed on the vehicle, the first excitation direction is directed away from the passenger compartment and / or the first vibrations are mechanically decoupled from the passenger compartment.

[0019] In one possible embodiment, the drivable component (e.g. a compressor unit) generates second vibrations during operation, which essentially have a second excitation direction, wherein the drivable component is arranged on the heat pump module so that, in the installed state of the heat pump module, the drivable component is arranged on the vehicle in such a way that the second excitation direction is directed away from the passenger compartment and / or the second vibrations are mechanically decoupled from the passenger compartment.

[0020] In one embodiment, the heat pump module includes a support element configured to support at least one drivable component and secure the heat pump module to the vehicle. The support element may, for example, include a support column, a profile, and / or an axle. The advantage of the support element is that multiple components of the heat pump module can preferably be arranged directly adjacent to each other. This allows vibrations to be at least partially avoided or suppressed. Furthermore, the heat pump module is easier to handle and install.

[0021] In one possible embodiment, the heat pump module includes a first heat exchanger arranged on a carrier element and configured to transfer thermal energy to a cooling medium and cause it to evaporate, and a second heat exchanger arranged on the carrier element and configured to extract energy from the cooling medium and cause it to liquefy. In one embodiment, the heat pump module also includes an expansion unit, in particular an expansion valve, which is designed to cool the cooling medium by reducing its pressure.

[0022] In one embodiment, at least one decoupling element is arranged on a carrier element and is configured to connect the heat pump module to a structural element of the vehicle. Arranging the decoupling element on the carrier element allows for indirect transmission of vibrations to the decoupling element, thereby reducing the risk of natural oscillations. Furthermore, the orientation of the drivable component relative to the vehicle and the direction of vibration excitation can be determined. The orientation of the heat pump module, and thus the drivable component, can be used to decouple vibrations, particularly from the passenger compartment.

[0023] In one embodiment, the decoupling element includes at least two, preferably three, elastic connecting elements. These elastic connecting elements dampen and thus decouple vibrations generated by the drivable component. Mechanical springs and / or elastic materials can be used, for example, for the elastic connecting elements. The number of connecting elements allows for at least partial, preferably complete, static definition of the system for fastening the heat pump module to the vehicle.

[0024] In one embodiment, the elastic connecting means of the decoupling element have different spring rates. Advantageously, a nonlinear, preferably progressive, spring rate of the elastic connecting means is provided. When mechanical oscillations are excited, amplitude variations can be promoted and vibrations can be damped.

[0025] In one embodiment, the elastic connecting elements are preferably arranged spatially asymmetrically. Spatially asymmetrical arrangement is understood to mean, in particular, different spacings between the elastic connecting elements. This can improve the damping properties.

[0026] In one embodiment, the support element and / or the decoupling element have an irregular geometry, at least in sections. This irregular geometry can also be referred to as an asymmetric or random geometry. The irregular geometry of the support element and / or the decoupling element can prevent the formation of resonances of vibrations or mechanical oscillations.

[0027] In one embodiment, the support element includes recesses / through-holes at least in sections, wherein these recesses / through-holes have different, in particular irregular, geometries. Irregular geometries can also be referred to as asymmetric or random geometries. The recesses / through-holes reduce the sound generated by vibrations. Furthermore, the irregular geometry of the recesses / through-holes prevents the formation of resonances of vibrations or mechanical oscillations. Furthermore, the recesses minimize the conduction of structure-borne sound. Structure-borne sound is understood to be sound that propagates through solids. A vibrating solid can cause the surrounding air to vibrate, which can be heard as airborne sound.

[0028] According to another aspect of the present invention, an axle assembly is provided having a heat pump module, in particular according to one of the aforementioned embodiments, wherein the axle assembly has two wheel heads spaced apart in the axial direction of the axle assembly, wherein the heat pump module is arranged on the axle assembly by means of a decoupling element in such a way that vibrations generated by the drivable component are emitted in a transmission direction, wherein the transmission direction extends at least partially in the axial direction and / or orthogonally to the axial direction. The transmission direction can also be referred to as an excitation direction.

[0029] The axle assembly can also include power electronics, in particular an inverter, an electric motor, a parking lock and / or a transmission. In addition, it is conceivable that the axle assembly includes a cooling system.

[0030] The heat pump module is preferably arranged on the axle unit by means of a decoupling element, so that the vibrations generated by the component are mechanically decoupled from the passenger compartment of the vehicle, in particular, wherein the emission direction or excitation direction of the vibrations extends in a direction at least partially orthogonal to the set travel direction of the axle unit.

[0031] The set direction of travel of the axle assembly is understood to be the direction in which the vehicle moves when all wheel heads of the axle assembly or all tires of the vehicle are arranged parallel to each other. In other words, the set direction of travel is understood to be a linear direction of travel.

[0032] According to a further aspect of the invention, a vehicle is provided, in particular an electric vehicle, a hybrid vehicle or a vehicle with a hydrogen-based drive, which has a heat pump module, in particular according to one of the aforementioned embodiments, wherein the heat pump module is arranged by means of a decoupling element so that vibrations generated by the component are mechanically decoupled from the passenger compartment of the vehicle.

[0033] Taking into account possible emission or excitation directions (which depend on the drivable component), it is advantageous to select the installation orientation and / or installation position of the drivable component (e.g., a scroll compressor) such that the emission or excitation direction of the vibrations does not extend in the longitudinal direction of the vehicle's body structure, which constitutes a direct path into the passenger compartment. Thus, it is advantageous to select the position and orientation of the drivable component such that the excitation caused by the vibrations acts in a transverse direction on the body structure, thereby at least reducing the direct transmission into the vehicle's passenger compartment.

[0034] It is thus possible to decouple the generated vibrations by arranging the drivable components directly or indirectly on a body structure extending in the transverse direction of the vehicle, i.e. not transmit or at least dampen the generated vibrations, so as to decouple the vibrations in particular from the vehicle structure.

[0035] The drivable component of the heat pump module arranged on the vehicle preferably includes a compressor unit, in particular a scroll compressor, wherein the compressor unit is arranged on the vehicle so that the vibrations generated by the drivable component are mechanically decoupled from the passenger compartment of the vehicle, in particular wherein the emission direction or excitation direction of the vibrations extends in a direction at least partially orthogonal to the driving direction.

[0036] In this context, the direction of travel is understood to be the linear direction of travel of the vehicle.

[0037] It is particularly advantageous if the heat pump module is arranged on a body element or structural element of the vehicle extending perpendicularly to the direction of travel, in particular an axle frame and / or a transverse frame and / or a round support.

[0038] Advantageously, the installation orientation and / or installation position of the drivable component is selected such that the excitation direction of the vibrations does not extend in the longitudinal direction of the body structure forming a direct path into the passenger compartment.

[0039] According to one possible embodiment, the drivable component includes a scroll compressor. A scroll compressor has two main sources of vibrations. On the one hand, there are the eccentric components of the scroll compressor and the resulting imbalances, which excite vibrations in the radial direction, and on the other hand, there are pressure oscillations caused by compression fluctuations between two discharge processes. Taking these factors and their excitation directions into account, it is advantageous to select the installation direction and / or installation position of the drivable component (here, the scroll compressor) as much as possible so that the emission direction or excitation direction of the vibrations does not extend in the longitudinal direction of the vehicle body structure, which forms a direct path into the passenger compartment. It is therefore advantageous to select the position of the drivable component so that any radially excited vibrations that may be introduced act perpendicularly on the vehicle body structure and are thus prevented from being directly transmitted into the passenger compartment of the vehicle.

[0040] Furthermore, it is alternatively or additionally possible to arrange the heat pump module together with the drive unit (particularly the electric drive unit) on the vehicle. In this embodiment, the heat pump module is mounted, for example, on an axle frame, on which the electric drive unit is also located. This embodiment is particularly advantageous if the axle frame is connected to the vehicle body via elastic connecting means. Alternatively, it is possible to connect the heat pump module directly and firmly to the drive unit or its housing, thereby increasing the mass to be excited, for example by a factor of 5 to 15. In particular, the drive unit is typically connected to the vehicle body via an elastic connecting means to decouple the vibration or oscillation excitation from the electric motor (drive unit), thereby making it possible to omit an additional elastic connection to the vehicle body or to eliminate the support element, which is specifically directly and firmly connected to the housing of the drive unit.

[0041] In addition to the mechanical connection in the vehicle, the positioning or orientation of the vibration-generating drivable components of the heat pump can also be understood as decoupling elements, since vibrations and noise emissions, in particular into the passenger compartment, can thereby be reduced.

[0042] It is also advantageous if the compressor is securely mounted on the support element, wherein the support element preferably has a shape with an irregular geometry including openings and recesses in order to prevent the formation of resonances and the conduction of structure-borne noise by means of varying rigidity. Preferably, the other components of the heat pump (heat exchanger, etc.) are also rigidly connected to the component carrier and at the shortest possible distance from the compressor, thereby achieving the highest possible excited mass.

[0043] The heat pump module can preferably be connected to the vehicle via elastic connecting elements or interfaces. Here, too, a structure that, similar to the aforementioned support elements, does not have a geometrically regular or symmetrical continuous surface is preferred. The connecting elements can, for example, have asymmetrical notches or breaks to prevent direct transmission of vibrations. Furthermore, the connecting elements are preferably designed as minimal tabs.

[0044] Furthermore, the heat pump module is connected to the vehicle at points via at least two, preferably precisely three, elastic connections with defined spring rates and damping, wherein the geometric arrangement of the elastic connections is designed such that symmetry in all spatial directions is avoided. Depending on the boundary conditions, the stiffness of the elastic connections is selected to be equal or different in order to influence the oscillation behavior, wherein it is expedient to design the spring rate to be nonlinear, preferably progressive, in order to achieve an amplitude change when oscillations are introduced.

[0045] Excitations introduced into the vehicle body by the decoupling elements transmit vibrations into the passenger compartment, which then excite planar components and manifest as airborne noise. Transmission paths and / or oscillation nodes play a crucial role here. Therefore, it is stipulated that the determination module be positioned as far away from the passenger compartment, in particular the driver's seat, as possible in the vehicle. Preferred installation locations include the right side of the front compartment, as low as possible (towards the road), for example, on an auxiliary frame / axle frame, or in the rear of the vehicle, whereby a direct connection to the vehicle body is avoided, for example, by using an auxiliary frame.

[0046] Another aspect of the present invention is the use of a compressor, in particular a scroll compressor or a pump, in a heat pump module according to one of the aforementioned embodiments or in an axle unit according to the aforementioned embodiments.

[0047] Individual features or embodiments of the present invention may be combined with other features or other embodiments to form new embodiments. The advantages and improvements mentioned for these features or embodiments also apply analogously to the new embodiments. Improvements and advantages described with respect to the apparatus also apply analogously to the method, and vice versa. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Next, the present invention is described in detail with reference to the accompanying drawings:

[0049] Figure 1 is a schematic diagram of a heat pump module according to one embodiment of the present invention.

[0050] Figure 2 is a schematic diagram of a vehicle having a heat pump module according to one embodiment of the present invention.

[0051] Figure 3 is a schematic diagram of a vehicle having a heat pump module according to one embodiment of the present invention.

[0052] Figure 4 is a schematic diagram of a vehicle having a heat pump module according to one embodiment of the present invention.

[0053] Figure 5 is a schematic diagram of a vehicle having a heat pump module according to one embodiment of the present invention.

[0054] Figure 6 is a schematic diagram of a vehicle having a heat pump module according to one embodiment of the present invention.

[0055] Figure 7 is a schematic diagram of a vehicle having a heat pump module according to one embodiment of the present invention.

[0056] Figure 8 is a schematic diagram of a vehicle having a heat pump module according to one embodiment of the present invention.

[0057] Figure 9 is a schematic diagram of a vehicle having a heat pump module according to one embodiment of the present invention.

[0058] Figure 10 is a schematic diagram of a vehicle having a heat pump module according to one embodiment of the present invention.

[0059] Figure 11 is a schematic diagram of a vehicle having a heat pump module according to one embodiment of the present invention. DETAILED DESCRIPTION

[0060] Figure 1A possible embodiment of a heat pump module 10 is shown. The heat pump module 10 comprises a drivable component 11. In the present embodiment, the drivable component 11 is a compressor unit, in particular a scroll compressor.

[0061] The compressor unit 11 is arranged on a support element 13. The compressor unit is connected to the support element 13 by means of a decoupling element 12.

[0062] The support element 13 has an irregular geometry, at least in sections. The support element 13 has a plurality of cutouts 15. The cutouts 15 represent an irregular geometry. More precisely, the geometry in the support element 13 is preferably asymmetrical and / or random. This means that at least directly adjacent cutouts 15 have different geometries.

[0063] The compressor unit 11 is connected by means of two decoupling elements 12. The decoupling elements 12 are arranged asymmetrically on the compressor unit 11. More precisely, the elastic connecting means 14 of the decoupling elements 12 are arranged on the compressor unit 11 in a spatially offset manner relative to one another.

[0064] The support element 13 is connected to the structural element 16 via a further decoupling element 12 designed as an elastic connecting device 14. The structural element 16 can form another part of the support element 13. In another conceivable embodiment, the structural element 16 can be part of the vehicle structure, for example the body of the vehicle. Alternatively, the structural element 16 can be part of the axle assembly. In the present case, the structural element 16 is designed as a profile element. The structural element 16 has a plurality of cutouts 15. These cutouts 15 extend at least through the surface of the profile element. The cutouts 15 indicate an irregular geometry. More precisely, the geometry in the structural element 16 is preferably asymmetric and / or random. This means that the individual geometries of at least directly adjacent cutouts 15 are different from each other.

[0065] The cutouts 15 of the carrier element 13 reduce the surface of the heat pump module 10 that can be excited by vibrations caused or generated by the drivable component 11. The cutouts 15 arranged in the structural element 16 fulfill the same function.

[0066] The decoupling element 12 includes an elastic connecting element 14. The elastic connecting element 14 preferably comprises a mechanical spring and / or an elastic material. Advantageously, the elastic connecting element has a defined, preferably different, spring stiffness. This makes it possible to avoid exciting the heat pump module 10 at its natural frequency.

[0067] Figure 1The heat pump module 10 shown also has an evaporator unit 17 and a condenser unit 18. The evaporator unit 17 and the condenser unit 18 are fluidically connected to the compressor unit 11. The evaporator unit 17 and the condenser unit 18 are arranged on the support element 13 in close proximity to the compressor unit 11. More specifically, it is advantageous if the distance between the evaporator unit 17 and the condenser unit 18 is as small as possible. This ensures that the heat pump module 10 has the greatest possible mass, thereby reducing vibrations.

[0068] Figure 2 One possible installation position of the heat pump module 10 in a vehicle is shown. In the embodiment shown, the heat pump module 10 is arranged on a transverse axis 19 of the vehicle. The transverse axis extends orthogonally to the longitudinal direction of the vehicle. Figure 2 The compressor unit 11 in FIG. 1 is a scroll compressor. A scroll compressor comprises a spiral head eccentrically connected to a shaft. During the compression process, the spiral head performs an orbital motion. This generates vibrations with a radial emission or excitation direction emanating from the spiral head. Figure 2 The scroll compressor in the embodiment is arranged on a transverse axis 19 such that the emission direction or excitation direction of the vibrations extends along the transverse axis 19 orthogonal to the longitudinal direction of the vehicle.

[0069] Figures 3 to 11 Other possible orientations and positions in which the heat pump module 10 may be positioned or arranged in a vehicle are shown. Figures 3 to 11 Schematic top views of the vehicle are shown in each of these figures. The arrangement and positioning of the heat pump module 10, the front and rear tires, and the passenger compartment 20 are schematically shown in each of these figures.

[0070] exist Figure 3 In the embodiment, the heat pump module 10 is arranged in the front area of ​​the vehicle. The heat pump module 10 is arranged on the right vehicle side. More specifically, the heat pump module 10 is arranged on the passenger side of the vehicle. The compressor unit 11 extends orthogonally to the longitudinal direction of the vehicle.

[0071] Figure 4 The heat pump module 10 is shown arranged in the front area of ​​the vehicle. The heat pump module 10 is arranged centrally on the vehicle in the transverse direction. When all tires are oriented parallel to each other, the compressor unit 11 extends orthogonally to the direction of travel of the vehicle.

[0072] Figure 5 The heat pump module 10 is shown arranged in the front area of ​​the vehicle. The heat pump module 10 is arranged on the left vehicle side or the driver's side. The compressor unit 11 extends orthogonally to the longitudinal direction of the vehicle.

[0073] Figure 6 The arrangement of the heat pump module 10 is shown, which is similar to the arrangement according to Figure 3 implementation method. Figure 3 The implementation method is different in that Figure 6 The heat pump module 10 is arranged parallel to the transverse direction of the vehicle.

[0074] Figure 7 The heat pump module 10 is shown to be arranged in the front area of ​​the vehicle, wherein the heat pump module 10 is arranged on the passenger side of the vehicle. Figure 7 In the embodiment, the compressor unit 11 of the heat pump module 10 extends in the longitudinal direction of the vehicle. Figure 3 The heat pump module 10 is arranged closer to the passenger compartment 20 than that of FIG.

[0075] Figure 8 The heat pump module 10 is shown arranged in the rear region of the vehicle. The heat pump module 10 is arranged on the passenger side. The heat pump module 10 extends parallel to the longitudinal direction of the vehicle.

[0076] Figure 9 The heat pump module 10 is shown arranged in the rear region of the vehicle. The heat pump module 10 is arranged on the driver's side of the vehicle. The drivable component 11 extends parallel to the longitudinal direction of the vehicle.

[0077] Figure 10 and Figure 11 The heat pump modules 10 are shown to be arranged in the rear region of the vehicle, wherein the heat pump modules 10 extend parallel to the transverse direction of the vehicle. Figure 10 In the heat pump module 10 and Figure 11 The heat pump module 10 in FIG is arranged closer to the passenger compartment 20 of the vehicle than in FIG.

[0078] Taking into account the possible emission or excitation directions of the drivable component 11, it is advantageous to select the installation orientation and / or installation position of the drivable component 11 (e.g., a scroll compressor) such that the emission or excitation direction of the vibrations does not extend in the longitudinal direction of the vehicle body structure, which constitutes a direct path into the passenger compartment 20. It is therefore advantageous to select the position and orientation of the drivable component 11 such that the excitation introduced by the vibrations acts perpendicularly on the vehicle body structure and thus avoids direct transmission into the passenger compartment 20 of the vehicle.

[0079] The heat pump module 10 can be arranged at different locations in the vehicle (see Figures 3 to 11 ). The positioning and orientation of the heat pump module may vary from vehicle to vehicle. Furthermore, the heat pump module 10 can be arranged, for example, on a body element of the vehicle. It is particularly advantageous if the body element extends in the transverse direction of the vehicle. The heat pump module 10 can be arranged, for example, on a transverse frame or axle frame of the vehicle. Alternatively, it is conceivable that the heat pump module is provided together with the axle assembly of the vehicle, in particular installed in the vehicle together with the axle assembly. Alternatively, it is conceivable that the heat pump module 10 is arranged on a pillar, in particular on a round pillar.

[0080] It is also possible to arrange the drivable component 11 directly on the vehicle so that vibrations generated by the drivable component 11 are not transmitted or at least damped and, in particular, are decoupled from the vehicle structure.

[0081] Other embodiments of the invention are possible and can be understood and implemented by a person skilled in the art when applying the claimed subject matter, based on a study of the drawings, the disclosure and the appended claims. In particular, the respective parts / functions of the respective embodiments described above may also be combined with one another. Furthermore, the different steps of the method may be performed in an order different from that disclosed herein. In the claims, the word "comprising" does not exclude other elements or steps, and the indefinite article "a" or "an" does not exclude a plurality. The mere fact that certain measures are mentioned in mutually dependent claims does not mean that a combination of these measures cannot be advantageous. Possible reference signs in the claims should not be interpreted as limiting the scope of the claims.

[0082] Reference Signs List

[0083] 10 heat pump modules

[0084] 11 components that can be driven

[0085] 12 Decoupling elements

[0086] 13 load-bearing components

[0087] 14 Elastic connectors

[0088] 15 blank space

[0089] 16 structural elements

[0090] 17 evaporator units

[0091] 18 condenser units

[0092] 19 horizontal axis

[0093] 20 passenger compartment

Claims

1. A heat pump module (10) for a vehicle, in particular an electric vehicle or a hybrid vehicle, the heat pump module comprising: - at least one drivable component (11), wherein the at least one component (11) is designed to generate vibrations during operation, - at least one decoupling element (12) which is designed to decouple the at least one component (11), in particular to decouple the at least one component (11) from the vehicle structure of the vehicle in the installed state of the heat pump module (10), so that generated vibrations are not transmitted or at least damped.

2. The heat pump module (10) according to claim 1, wherein: The heat pump module (10) comprises a carrier element (13) which is configured to carry the at least one drivable component (11) and to fasten the heat pump module (10) to a vehicle.

3. The heat pump module (10) according to any one of the preceding claims, wherein: The at least one decoupling element (12) is arranged on the carrier element (13) and is configured to connect the heat pump module (10) to a structural element of a vehicle.

4. The heat pump module (10) according to any one of the preceding claims, wherein: The decoupling element (13) comprises at least two, preferably three elastic connecting means (14).

5. The heat pump module (10) according to any one of the preceding claims, wherein: The elastic connecting means (14) of the decoupling element (13) have different spring rates.

6. The heat pump module (10) according to any one of the preceding claims, wherein: The elastic connecting means (14) are preferably arranged spatially asymmetrically.

7. The heat pump module (10) according to any one of claims 3 to 6, wherein: The support element (13) and / or the decoupling element (12) have / have an irregular geometry at least in sections.

8. The heat pump module (10) according to any one of the preceding claims, wherein: The support element (13) comprises recesses (15) at least in sections, wherein the recesses (15) have different, in particular irregular, geometries.

9. An axle unit having a heat pump module (10), in particular according to any one of the preceding claims, wherein: The axle assembly has two wheel heads spaced apart in the axial direction of the axle assembly, The heat pump module (10) is arranged on the axle unit by means of the decoupling element (12) so that vibrations that can be generated by the drivable component (11) are output in an emission direction, wherein the emission direction extends at least partially in an axial direction and / or orthogonally to the axial direction.

10. A vehicle, in particular an electric vehicle or a hybrid vehicle, comprising a heat pump module (10), in particular according to any one of claims 1 to 8, wherein: The heat pump module (10) is arranged by means of a decoupling element (12) such that vibrations generated by the component (11) are mechanically decoupled from the passenger compartment of the vehicle.

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