Electrical assembly and motor vehicle with such an assembly and method for operating such an assembly

Abstract

Electrical assembly (2; 102; 202; 302), in particular for an electrified motor vehicle (1), with an electrical energy storage device (3) comprising a plurality of electrochemical storage cells that are electrically connected to one another in series and / or parallel; a storage temperature control device (4; 104; 204; 304) for temperature control of the storage cells, comprising a storage temperature control channel structure (8), a first connection (17) and a second connection (18), wherein temperature control medium can be supplied to and discharged from the storage temperature control channel structure (8) via the first and second connections (17, 18); at least one electronic component (5), and an electronic temperature control device (6; 106; 206) for temperature control of the electronic component (5), wherein the electronic temperature control device (6; 106; 206) has a first ETV connection (14) and a second ETV connection (15) via which temperature control means can be supplied to and removed from the electronic temperature control device (6; 106; 206), wherein the second ETV connection (15) is fluidically connected to the storage temperature control channel structure (8), wherein the electronic temperature control device (6; 106; 206) is arranged at one end of the storage temperature control device (4; 104; 204; 304) and the first connection (17), the second connection (18) and a third connection (19) are arranged at the other end of the storage temperature control device (4; 104; 204; 304), wherein the third connection (19) is connected to the first ETV connection (14) via a branch-free bypass line (16; 316) which runs next to the storage temperature control channel structure (8).

Description

The invention relates to an electrical assembly for tempering an electrical energy store and at least one electronic component of an electrified motor vehicle. The invention furthermore relates to a motor vehicle having such an electrical assembly.For the operation of an electrical energy store or a traction battery, in order to achieve short fast charging times and for a high performance of the electrical drive train, it is necessary for the energy store to be temperature-controlled, i.e. cooled or heated, such that the energy store is operated in an optimum temperature range. Furthermore, in an electric vehicle, numerous electrical and electronic components are to be temperature-controlled, in particular cooled, depending on the operating state of the electric vehicle. Since more efficient temperature control has an effect on the range that can be reached by the electric vehicle, there is a constant need to optimize this temperature control.The prior art relating to the technological background is known from DE 10 2020 123 900 A1, EP 2 763 213 B1, DE 10 2007 049 173 A1 and DE 10 2016 104 175 A1 and from U.S. Pat. No. 2019) / 0 036 181 A1, WO 2022 / 168 575 A1 and U.S. Pat. No. 2011 / 0 233 996 A1.It is therefore an object of the present invention to provide an electrical assembly with improved efficiency. This object is achieved by an electric assembly according to claim 1, a motor vehicle according to claim 6 and a method according to claim 8. Advantageous further developments of the invention are the subject of the dependent claims.According to one exemplary embodiment of the invention, an electrical assembly, in particular for an electrified motor vehicle, is provided, having an electrical energy store which has a multiplicity of electrochemical storage cells which are connected to one another electrically in series and / or in parallel; a storage temperature-control device for temperature-controlling the storage cells, having a storage temperature-control channel structure, a first connection and a second connection, wherein temperature-control medium can be fed into and discharged from the storage temperature-control channel structure via the first and second connections; at least one electronic component and an electronic temperature control device for temperature controlling the electronic component, wherein the electronic temperature control device (ETV) has a first ETV connection and a second ETV connection, via which temperature control medium can be supplied and discharged into the electronic temperature control device, wherein the second ETV connection is fluidically connected to the storage temperature control channel structure. This exemplary embodiment offers the advantage that an interconnection of the temperature control devices is created which is compact on the one hand and allows a flow through the storage temperature control duct structure in one direction for the purpose of cooling and a flow through it in an opposite direction for the purpose of heating on the other hand. The circuits for the temperature control of the energy store and the electronic component that can be controlled in a fluidically separate manner allow the latter to be respectively optimally temperature controlled.In the context of this invention, connection (first to fourth connection) is understood to mean an inlet or outlet into / from the storage temperature control channel structure via which temperature control medium can be supplied into the storage temperature control channel structure or discharged therefrom.Within the scope of this invention, an ETV connection (first or second ETV connection) is understood to mean an inlet or outlet into / from the electronics temperature control device via the temperature control medium, which can be fed into the temperature control cavity of the electronics temperature control device or discharged therefrom.In particular, the second ETV connection outside the electronic temperature control device is fluidically connected exclusively to the storage temperature control channel structure, so that temperature control medium discharged via the second ETV connection flows completely into the temperature control channel structure and can be discharged exclusively via the first and / or second connection of the storage temperature control device.The tempering comprises cooling and / or heating. The temperature control medium is in particular a temperature control liquid, such as water or a water to which additives have been added.The electronic component is in particular an electrical or electronic component which interacts in particular with the energy store and / or a traction motor (i.e. an electric motor for driving the motor vehicle). This can be, in particular, one or more elements from the following group: an in-vehicle charger, an inverter, a DC-DC converter, a battery control device, a traction motor control device and a computer for autonomous driving.According to a further exemplary embodiment of the invention, the storage temperature-control duct structure has a total of exactly three connections for supplying and / or discharging temperature-control medium into / from the temperature-control duct structure.According to the invention, the electronic temperature control device is arranged at one end of the storage temperature control device and the first connection, the second connection and a third connection are arranged at the other end of the storage temperature control device, wherein the third connection is connected to the first ETV connection via a branch-free bypass line, which runs next to the storage temperature control channel structure.According to a further exemplary embodiment of the invention, the storage temperature-control device is designed in the manner of a plate, in particular made of metal, in which the storage temperature-control duct structure runs within one plane, wherein the bypass line in the storage temperature-control device is designed within the same plane. This creates a compact storage temperature control device and a well-protected bypass line.According to a further exemplary embodiment of the invention, the storage temperature control device and the electronics temperature control device are designed as separate components.According to a further exemplary embodiment of the invention, the storage temperature control device and the electronics temperature control device are formed in one piece.Moreover, the invention provides a motor vehicle having such an electrical assembly.In particular, the electronic temperature control device is arranged on the storage temperature control device with respect to a vehicle vertical axis.In addition, the invention provides a method for operating such an electrical assembly, having a first cooling operating state in which temperature control medium is supplied via the first connection into the storage temperature control channel structure, temperature control medium is supplied via the third connection into the electronic temperature control device, and the temperature control medium supplied via the first and third connection is discharged from the storage temperature control channel structure via the second connection after flowing through the electronic temperature control device and the storage temperature control channel structure, and a first cooling-heating operating state in which temperature control medium is supplied via the third connection into the electronic temperature control device, flowing through the second connection is blocked, and the temperature control medium supplied via the third port is discharged from the storage temperature control channel structure via the first port after flowing in series through the electronic temperature control device and the storage temperature control channel structure.According to a further exemplary embodiment, the method further has a second cooling operating state, in which temperature control medium is supplied via the first connection into the storage temperature control duct structure, temperature control medium is discharged via the second connection from the storage temperature control duct structure, and a flow through the third connection is blocked.According to a further exemplary embodiment, the method furthermore has a third cooling operating state, in which temperature control medium is fed into the electronic temperature control device via the third connection, temperature control medium is discharged from the electronic temperature control device via the second connection, and a flow through the first connection is blocked.According to a further exemplary embodiment, the method furthermore has a fourth cooling operating state, in which temperature control medium is fed into the electronic temperature control device via the second connection, temperature control medium is discharged from the electronic temperature control device via the third connection, and a flow through the first connection is blocked.According to a further exemplary embodiment, the method further has a second cooling-heating operating state, in which temperature control medium is supplied via the first connection into the storage temperature control duct structure, a flow through the second connection is blocked, and the temperature control medium supplied via the first connection is discharged via the third connection after the serial flow through the storage temperature control duct structure and the electronic temperature control device.Moreover, the present invention provides a motor vehicle having such an electrical assembly.Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. In these drawings, the following is shown: FIG. 1 schematically shows a motor vehicle having an electrical assembly according to an exemplary embodiment of the present invention; FIG. 2 ashows a three-dimensional view of the electrical assembly according to a first embodiment of the invention; FIG. 2 bshows a schematic illustration of the temperature control of the electrical assembly from FIG. 2 a; FIG. 3 ashows the electrical assembly in a first cooling operating state; FIG. 3 bshows the electrical assembly in a second cooling operating state; FIG. 3 cshows the electrical assembly in a third cooling operating state; FIG. 3 d shows the electrical assembly in a fourth cooling operating state; FIG. 3 e shows the electrical assembly in a first cooling-heating operating state; FIG. 3 f shows the electrical assembly in a second cooling-heating operating state; FIG. 4 ashows a three-dimensional view of an electrical assembly according to a second embodiment of the invention; FIG. 4 bshows a schematic illustration of the temperature control of the electrical assembly from FIG. 4 a; FIG. 5 ashows a three-dimensional view of an electrical assembly according to a third embodiment of the invention; FIG. 5 bshows a schematic illustration of a temperature control of the electrical assembly from FIG. 5 a, and FIG. 6 shows a schematic illustration of the temperature control of an electrical assembly according to a fourth exemplary embodiment.FIG. 1 schematically shows a motor vehicle 1 according to an exemplary embodiment of the present invention. The motor vehicle 1 has an electric assembly 2, which is arranged, for example, below a vehicle occupant compartment. The motor vehicle 1 is in particular a passenger car. This is an electrified motor vehicle that is electrically driven at least temporarily.FIG. 2 ashows a three-dimensional view of the electrical assembly 2 according to a first exemplary embodiment of the invention, while FIG. 2 bshows a schematic representation of the temperature control of this electrical assembly 2. The electrical assembly 2 comprises an electrical energy store 3 for storing and providing an electrical energy for driving the motor vehicle 1, a storage temperature control device 4 for controlling the temperature of the storage cells, at least one electronic component 5 and an electronic temperature control device 6 for controlling the temperature of the electronic component.The energy store 3 has an energy store housing 7 which houses a multiplicity of electrochemical storage cells which are electrically connected in series and / or in parallel to one another, in particular all the storage cells are electrically connected in series to one another, all the storage cells are electrically connected in parallel to one another, the storage cells are grouped and electrically connected in series to one another within a group, while the groups are electrically connected in parallel to one another, or the storage cells are grouped and electrically connected in parallel to one another within a group, while the groups are electrically connected in series to one another. The storage cells can be recharged, store electrical energy and provide it at least for the propulsion of the motor vehicle 1. The storage cells are, for example, cylindrical storage cells (so-called round cells), cuboidal storage cells (so-called prismatic cells) or pouch cells.The storage temperature control device 4 is a heat transfer body through which a temperature control medium, in particular a temperature control liquid, such as, for example, a water to which additives are added, can flow. In the exemplary embodiment shown, the storage temperature control device 4 has in its interior a storage temperature control channel structure 8, which is formed by temperature control channels 9 through which flow can take place fluidically with one another. The temperature control channels 9 have channels 10 through which fluid can flow in parallel, which are connected at their longitudinal ends via a collecting line 11 each.The at least one electronic component 5 is housed by an electronic housing 12. The at least one electronic component 5 is one or more components from the group comprising the following elements: an in-vehicle charger, an inverter, a DC-DC converter, a battery control device, a traction motor control device and a computer for autonomous driving.The electronic temperature control device 6 is also a heat transfer body, the interior of which is provided with a temperature control cavity 13, for example in the form of a planar cavity or in the form of flow channels, through which the temperature control medium can flow. The heat transfer body is plate-shaped and made of metal, for example, so that the temperature control cavity 13 extends within one plane. The electronic temperature control device 6 (ETV) has a first ETV connection 14 and a second ETV connection 15, in particular the electronic temperature control device 6 for supplying and discharging temperature control medium into / from the temperature control cavity 13 has exclusively this first ETV connection 14 and this second ETV connection 15.The storage temperature control device 4 has a first connection 17, a second connection 18, a third connection 19 and a fourth connection 20. Via the second connection 18, tempering medium can be discharged from the storage tempering channel structure 8.The third connection 19 is an inlet or outlet of a bypass line 16 which is formed within the storage temperature control device 4. The bypass line 16 leads to the first ETV connection 14 and is fluidically separated from the storage temperature control duct structure 8 between the third connection 19 and the first ETV connection 14. In addition, the bypass line 16 leads from the third connection 19 without branching to the first ETV connection 14. The second ETV connection 15 is connected in a fluidically conductive manner, in particular exclusively, to the fourth connection 20, via which in turn temperature control medium can be supplied to the storage temperature control channel structure 8. In this way, all the temperature control medium supplied via the first ETV connection 14 into the electronic temperature control device 6 is introduced via the fourth connection 20 into the storage temperature control channel structure 8 and, depending on the operating state, is discharged from the storage temperature control channel structure 8 via the first connection 17 or the second connection 18.The storage temperature control device 4, in particular the heat transfer body, is plate-shaped and made of metal, for example, so that the storage temperature control channel structure 8 extends within a plane. The bypass line 16 runs next to the storage temperature control channel structure 8 and both are formed in particular within the same one-piece, in particular monolithic, heat transfer body.The storage temperature control channel structure 8 has, for supplying and discharging temperature control medium into / from the storage temperature control channel structure 8, a total of only three connections, namely the first connection 17, the second connection 18 and the fourth connection 20.The first connection 17, the second connection 18 and the third connection 19 are arranged at one longitudinal end of the storage temperature control device 4, while the fourth connection 20 is arranged at the other longitudinal end of the storage temperature control device 4, at which the electronic temperature control device 6 is also located.The storage temperature control device 4 extends in particular over the entire length of the energy storage device 3, in particular over the entire length of the energy storage housing 7. Above (with respect to the vehicle vertical axis) the storage temperature control device 4, in particular in contact therewith, the electronic temperature control device 6 is arranged and on this the at least one electronic component 5 is arranged. This means that in a rear end region (with respect to the vehicle longitudinal direction) of the storage temperature control device 4, the storage temperature control device 4 and the electronic temperature control device 6 overlap one another.It has been described above that the storage temperature control channel structure 8 is formed in the form of temperature control channels 9 in a plate-like heat transfer body, but it is also possible for the storage temperature control channel structure 8 to be realized alternatively by means of temperature control tracks running between the storage cells. For example, the channels 10 can be formed in the form of serpentine temperature control tracks which abut the circumferential surfaces of the storage cells and each run between adjacent storage cells.FIG. 3 ashows the electric assembly 2 in a first cooling operating state. This first cooling operation is used, for example, when the motor vehicle 1 is in a driving mode which requires cooling of the energy store 3 and simultaneous cooling of the electronic component 5. In this cooling operation, temperature control medium is supplied to both the first connection 17 and the third connection 19, in particular simultaneously. The temperature control medium supplied via the first connection 17 flows through the storage temperature control channel structure 8, absorbs waste heat of the energy storage device 3 and is discharged from the storage temperature control channel structure 8 via the second connection 18. The temperature control medium supplied via the third connection 19 flows through the electronics temperature control device 6, absorbs waste heat of the at least one electronics component 5 and is discharged from the storage temperature control channel structure 8 via the second ETV connection 15, the fourth connection 20, the storage temperature control channel structure 8 and the second connection 18. On its way through the storage temperature control channel structure 8, the temperature control medium coming from the second ETV connection 15 flows only along the collecting line 11 and not through the channels 10.FIG. 3 bshows the electric assembly 2 in a second cooling operating state. This second cooling operation is used, for example, when the motor vehicle 1 is in a driving mode which requires cooling of the energy store 3 without simultaneous cooling of the electronic component 5. In this cooling operation, temperature control medium is supplied to the first connection 17 while a flow through the third connection 19 is blocked. The temperature control medium supplied via the first connection 17 flows through the storage temperature control channel structure 8, absorbs waste heat of the energy storage device 3 and is discharged from the storage temperature control channel structure 8 via the second connection 18. Thus, in the second cooling operating state, the energy store 3 is cooled, while the electronic component 5 is neither cooled nor heated by the temperature control medium.FIG. 3 cshows the electric assembly 2 in a third cooling operating state. This third cooling operation is used, for example, when the motor vehicle 1 is in a charging operation via a vehicle-external power supply, which requires cooling of the electronic component 5 without simultaneous cooling of the energy store 3, for example at warm ambient temperature. In this cooling operation, temperature control medium is supplied to the third connection 19, while a flow through the first connection 17 is blocked. The temperature control medium supplied via the third connection 19 flows through the electronics temperature control device 6, absorbs waste heat of the at least one electronics component 5 and is discharged via the second ETV connection 15, the fourth connection 20, the storage temperature control channel structure 8 and the second connection 18. On its way through the storage temperature control channel structure 8, the temperature control medium coming from the second ETV connection 15 flows only along the collecting line 11 and not through the channels 10.FIG. 3 d shows the electric assembly 2 in a fourth cooling operating state. This fourth cooling operation is similar to the third cooling operation only with the opposite flow direction of the tempering medium. The fourth cooling operation is used, for example, when the motor vehicle 1 is in a charging operation via a vehicle-external power supply, which requires cooling of the electronic component 5 without simultaneous cooling of the energy store 3, for example at warm ambient temperature. In this fourth cooling operation, temperature control medium is supplied to the second connection 18, while a flow through the first connection 17 is blocked. The temperature control medium supplied via the second connection 18 flows through the storage temperature control channel structure 8 and is guided via the fourth connection 20 and the second ETV connection 15 into the electronic temperature control device 6. There, the temperature control medium absorbs waste heat of the at least one electronic component 5 and is discharged via the first ETV connection 14 the bypass line 16 and the third connection 19. On its way through the storage temperature control channel structure 8, the temperature control medium coming from the second connection 18 flows only along the collecting line 11 and not through the channels 10.FIG. 3 e shows the electric assembly 2 in a first cooling-heating operating state. This first cooling-heating operation is used, for example, when the motor vehicle 1 is in a charging operation via a vehicle-external power supply, which requires cooling of the electronic component 5 with simultaneous heating of the energy store 3, for example at cold ambient temperature. In this first cooling-heating operation, temperature-control medium is supplied to the third connection 19. This flows through the electronics temperature control device 6, absorbs waste heat of the at least one electronics component 5 and is supplied to the storage temperature control duct structure 8 via the second ETV connection 15, the fourth connection 20. Since the second connection 18 is blocked in this first cooling-heating mode, the temperature control medium flows through the entire storage temperature control channel structure 8, in particular the channels 10, and thus releases the waste heat of the electronic component 5 to the storage cells of the energy storage device 3, so that the energy storage device 3 can be heated with the waste heat of the electronic component 5 while the electronic component 5 is being cooled. After flowing through the storage temperature control channel structure 8, the temperature control medium is discharged from the storage temperature control channel structure 8 via the first connection 17.FIG. 3 f shows the electric assembly 2 in a second cooling-heating operating state. This second cooling-heating operation is used, for example, when cooling of the energy store 3 is required with simultaneous heating of the electronic component 5. In this second cooling-heating operation, temperature-control medium is supplied to the first connection 17 while the second connection 18 is blocked. The temperature control medium flows through the entire storage temperature control channel structure 8, in particular the channels 10, and thus absorbs the waste heat of the energy storage device 3 from the storage cells. The temperature control medium is then supplied to the electronic temperature control device 6 via the fourth connection 20 and the second ETV connection 15. In the electronic temperature control device 6, the temperature control medium releases waste heat to the electronic component 5 and leaves the electronic temperature control device 6 via the first ETV connection 14.FIG. 4 ashows a three-dimensional view of an electrical assembly 102 according to a second exemplary embodiment of the invention, while FIG. 4 bshows a schematic representation of the temperature control of this electrical assembly 102. The electrical assembly 102 differs from the electrical assembly 2 of the first exemplary embodiment by a storage temperature control device 104 and an electronic temperature control device 106, which in turn differ from the storage temperature control device 4 and the electronic temperature control device 6 of the first exemplary embodiment in that they are formed in one piece and in one plane. Therefore, only the differences are discussed here and reference is otherwise made to the preceding description of the first exemplary embodiment. The one-piece storage temperature control device 104 and electronic temperature control device 106 are obtained by arranging these one behind the other, as viewed in the vehicle longitudinal direction, and by forming one-piece heat transfer body within the same. This is plate-shaped and made of metal, for example, so that the storage temperature control channel structure 8 of the storage temperature control device 4 and the temperature control cavity 13 of the electronics temperature control device 106 are located within the same plane. In contrast to the first exemplary embodiment, the temperature-control cavity 13 is shown in FIG. 4 bin the form of temperature-control channels, but the various designs are also conceivable here. The first ETV terminal 14 is integrated into the common heat transfer body. The second ETV connection 15 and the fourth connection 20 are likewise integrated into the common heat transfer body and are designed in the form of a fixed connecting channel. For the rest, reference is made to the description of the first exemplary embodiment.FIG. 5 ashows a three-dimensional view of an electrical assembly 202 according to a third exemplary embodiment of the invention, while FIG. 5 bshows a schematic representation of a temperature control of this electrical assembly 202. The electrical assembly 202 differs from the electrical assembly 2 of the first exemplary embodiment in that a storage temperature control device 204 and an electronic temperature control device 206 are provided, which in turn differ from the storage temperature control device 4 and the electronic temperature control device 6 of the first exemplary embodiment in that they are formed integrally or are firmly connected to one another. As in the first exemplary embodiment, also in the third exemplary embodiment, the electronic temperature control device 6 is arranged on the storage temperature control device 4, but is firmly connected to the latter. The difference from the first exemplary embodiment therefore only consists in the fact that the storage temperature control device 204 and the electronic temperature control device 206 are formed in one piece or are connected to one another in a fixed manner, i.e. such that they cannot be released in a non-destructive manner. For the rest, reference is made to the description of the first exemplary embodiment.FIG. 6 shows a schematic illustration of the temperature control of an electrical assembly 302 according to a fourth exemplary embodiment. The electric assembly 302 differs from the electric assembly 2 illustrated in FIG. 2 b only in that instead of the bypass line 16 a bypass line 316 running outside the heat transfer body in which the storage temperature control duct structure 8 is formed is provided. This bypass line 316 differs from the bypass line 16 only in that it does not run in the heat transfer body of the storage temperature control device 4, but instead runs outside the latter. Apart from this difference, however, reference is made to the description of the bypass line 16 with respect to the bypass line 316. The storage temperature control device 304 differs from the storage temperature control device of FIG. 2 b only in that no bypass line runs in the storage temperature control device 304. Apart from this difference, reference is made to the description of the storage temperature control device 4. Incidentally, the description of the first embodiment is applicable to, which is referred to in order to avoid repetition.While the invention has been illustrated and described in detail in the drawings and the foregoing description, this illustration and description is to be understood as illustrative or exemplary and not as limiting, and is not intended to limit the invention to the disclosed embodiment. The mere fact that certain features are recited in various dependent claims is not intended to indicate that a combination of these features could not also be used advantageously.

Claims

An electrical assembly (2; 102; 202; 302), in particular for an electrified motor vehicle (1), having an electrical energy store (3) which has a multiplicity of electrochemical storage cells which are connected to one another electrically in series and / or in parallel; a storage temperature-control device (4; 104; 204; 304) for temperature-controlling the storage cells, having a storage temperature-control channel structure (8), a first connection (17) and a second connection (18), wherein temperature-control medium can be supplied and discharged into the storage temperature-control channel structure (8) via the first and second connections (17, 18); at least one electronic component (5) and an electronic temperature-control device (6; 106; 206) for temperature-controlling the electronic component (5), wherein the electronic temperature-control device (6; 106; 206) has a first ETV connection (14) and a second ETV connection (15), via which temperature control medium can be fed into and discharged from the electronics temperature control device (6; 106; 206), wherein the second ETV connection (15) is fluidically connected to the storage temperature control duct structure (8), wherein the electronics temperature control device (6; 106; 206) is arranged at one end of the storage temperature control device (4; 104; 204; 304) and, at the other end of the storage temperature control device (4; 104; 204; 304), the first connection (17), the second connection (18) and a third connection (19) are arranged, wherein the third connection (19) is arranged via a branch-free bypass line (16; 316) is connected to the first ETV connection (14), which runs next to the storage temperature control channel structure (8).The electrical assembly (2; 102; 202; 302) according to claim 1, wherein the storage temperature control channel structure (8) has a total of exactly three connections (17, 18, 20) for supplying and / or discharging temperature control medium into / from the storage temperature control channel structure (8).The electrical assembly (2; 102; 202) according to claim 1, wherein the storage temperature control device (4; 104; 204) is plate-like, in particular made of metal, in which the storage temperature control channel structure (8) extends within a plane, wherein the bypass line (16) in the storage temperature control device (4; 104; 204) is formed within the same plane.The electrical assembly (2; 302) according to one of the preceding claims, wherein the storage temperature control device (4; 304) and the electronic temperature control device (6) are formed as separate components.The electrical assembly (102; 202) according to any one of claims 1 to 3, wherein the storage temperature control device (104; 204) and the electronic temperature control device (106; 206) are formed in one piece.Motor vehicle (1) comprising an electric assembly (2; 102; 202; 302) according to any one of claims 1 to 5.Motor vehicle (1) according to Claim 6, wherein the electronic temperature control device (6; 206) is arranged on the storage temperature control device (4; 204) with respect to a vehicle vertical axis.Method for operating an electrical assembly (2; 102; 202; 302) according to one of Claims 1 to 5, having a first cooling operating state in which temperature control medium is fed via the first connection (17) into the storage temperature control duct structure (8), temperature control medium is fed via the third connection (19) into the electronic temperature control device (6; 106; 206), and the temperature control medium fed via the first and third connections (17, 19) is discharged from the storage temperature control duct structure (8) via the second connection (18) after flowing through the electronic temperature control device (6; 106; 206) and the storage temperature control duct structure (8), and a first cooling heating operating state in which temperature control medium is discharged via the third connection (19) into the electronic temperature control device (6; 106; 206), a flow through the second connection (18) is blocked, and the temperature control medium supplied via the third connection (19) is discharged from the storage temperature control channel structure (8) via the first connection (17) after flowing through the electronic temperature control device (6; 106; 206) and the storage temperature control channel structure (8) in series.Method according to claim 8, further comprising a second cooling operating state, in which temperature control medium is supplied via the first connection (17) into the storage temperature control channel structure (8), temperature control medium is discharged via the second connection (18) from the storage temperature control channel structure (8), and a flow through the third connection (19) is blocked.Method according to claim 8 or 9, further comprising a third cooling operating state, in which temperature control medium is supplied via the third connection (19) into the electronic temperature control device (6), temperature control medium is discharged from the electronic temperature control device (6) via the second connection (18), and a flow through the first connection (17) is blocked.Method according to one of Claims 8 to 10, furthermore having a fourth cooling operating state, in which temperature control medium is fed into the electronic temperature control device (6) via the second connection (18), temperature control medium is discharged from the electronic temperature control device (6) via the third connection (19), and a flow through the first connection (17) is blocked.Method according to one of Claims 8 to 11, furthermore having a second cooling-heating operating state, in which temperature-control medium is fed via the first connection (17) into the storage temperature-control duct structure (8), a flow through the second connection (18) is blocked, and the temperature-control medium fed via the first connection (17) is discharged via the third connection (19) after the serial flow through the storage temperature-control duct structure (8) and the electronic temperature-control device (6; 106; 206).

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