Electrical device with a metal-plastic composite plate

Abstract

The invention relates to an electrical appliance (1), in particular a food cooler, fan, lamp and / or music system, comprising a first housing body (3) comprising a first electrical component (5), a second housing body (4) comprising a second electrical component (6), and a connecting body (7) that mechanically connects the two housing bodies (3, 4). According to the invention, the connecting body (7) is formed from a metal-plastic composite plate (8) and the metal-plastic composite plate (8) is electrically connected to the two electrical components (5, 6) of the two housing bodies (3, 4).

Description

[0001] The present invention relates to an electrical appliance, in particular a food cooler, a fan, a lamp and / or a music system, comprising a first housing body including a first electrical component, a second housing body including a second electrical component, and a connecting element that mechanically connects the two housing bodies. The invention further relates to the use of a metal-plastic composite plate for electrically connecting two electrical components in such an electrical appliance.

[0002] From EP 4 049 558 B1, a device for cooling food is known. This device comprises a base configured with a support surface and a stand extending from the base. At least one fan is driven by at least one electric motor and is oriented to direct an airflow towards the support surface. Power supply and control means for the motor are provided. The stand includes a first section extending from the base and a second section hinged to the first section. The second section includes a spacer and at least one support arm for the fan. The second section is rotatable to move the fan from an operating position to a rest position. Due to its mechanical and electrical complexity, the assembly of this device is very time-consuming and expensive.

[0003] The object of the present invention is therefore to create an electrical device that is simpler in design and / or can be assembled more quickly and easily in order to reduce manufacturing costs.

[0004] The problem is solved by an electrical device with the features of the independent claim and by the use of a metal-plastic composite panel in an electrical device. Advantageous or preferred embodiments are each the subject of a corresponding dependent claim.

[0005] An electrical appliance, in particular a food cooler, a fan, a lamp, and / or a music system, is proposed, comprising a first housing body containing a first electrical component, a second housing body containing a second electrical component, and / or a connecting element that mechanically connects the two housing bodies. It is advantageous if the connecting element is a metal-plastic composite plate and / or is formed from one. The metal-plastic composite plate electrically connects the two electrical components of the two housing bodies. In addition to this electrically connecting function, the metal-plastic composite plate preferably performs a mechanically load-bearing and / or structural function of the electrical appliance.As a result, it is no longer necessary to connect the first and second electrical components of the two housing bodies via separate electrical connections, since this function, in addition to its mechanical support function, is now performed by the metal-plastic composite panel. This reduces the design complexity of the electrical device. For example, the number of components can be reduced. This, in turn, allows for simpler and faster assembly of the device. This advantageously translates into reduced manufacturing costs.

[0006] It is advantageous if the metal-plastic composite panel is flat, bent and / or curved, especially in at least one section or completely.

[0007] In an advantageous embodiment of the invention, the metal-plastic composite plate comprises an electrically conductive first metal layer, an electrically conductive second metal layer and / or a dielectric and / or electrically non-conductive plastic layer arranged between these two metal layers.

[0008] It is advantageous if the metal-plastic composite panel, especially the plastic layer, is designed as a mechanical support structure and / or supports at least one of the two housing bodies. This allows for the elimination of additional housing components, which in turn reduces the complexity of the electrical device.

[0009] Advantageously, the first metal layer and / or the second metal layer is made of aluminum, copper, and / or stainless steel, and / or the plastic layer is made of polyethylene. The choice of aluminum, copper, and / or stainless steel for the metal layers and / or polyethylene for the plastic layer contributes to optimizing the functionality and cost-effectiveness of the invention. In combination, these materials exhibit an excellent ratio of cost, availability, processability, electrical conductivity, and mechanical properties.

[0010] Advantages arise when the plastic layer is designed as a mechanical support structure. Additionally or alternatively, it is advantageous if at least one housing body is supported by the plastic layer.

[0011] It is advantageous if the metal-plastic composite panel comprises two dielectric outer layers, between which the two metal layers and / or the plastic layer are arranged. It is further advantageous if at least one of the two outer layers is formed by a film and / or a coating. This minimizes the risk of a short circuit caused by an unintentional electrical connection between the two metal layers. The integration of dielectric outer layers provides additional insulation and / or protection for the inner layers of the composite panel, thus increasing the safety and longevity of the electrical device. Alternatively or additionally, it offers advantages if the outer layers, through materials such as films and / or coatings, provide an additional protective function and / or aesthetic improvements.

[0012] According to an advantageous embodiment of the invention, the first metal layer is electrically connected to a first conductor and / or the second metal layer is electrically connected to a second conductor. It is advantageous if the first conductor is connected exclusively to the first metal layer. In this context, "exclusively" means that the first conductor is not also electrically connected to the second metal layer. Furthermore, it is advantageous if the second conductor is connected exclusively to the second metal layer. Again, "exclusively" means that the second conductor is not also electrically connected to the first metal layer.

[0013] It is advantageous if at least one of the two conductors is designed as a power cable, in particular with a cable lug, preferably a ring cable lug.

[0014] Furthermore, it is advantageous if the first conductor is connected to the corresponding first metal layer via a first contacting unit, in particular exclusively and / or not with the second metal layer, in particular by a material bond and / or a form-fit and / or a force-fit and / or a conductive connection. It is advantageous if the first contacting unit rests on a first outer surface of the first metal layer, in particular directly and / or conductively.

[0015] The electrical connection of the metal layers to the conductors by specific contact units, in particular by positive-locking and / or friction-locking connections, ensures reliable electrical function. Additionally or alternatively, it is advantageous if the conductors, especially with specific designs such as a ring terminal, allow for optimized connection and / or easier replacement. The design of the contact units contributes to increasing the efficiency and / or reliability of the electrical connections during the assembly of the electrical device.

[0016] It is advantageous if the second conductor is connected to the corresponding second metal layer via a second contacting unit, in particular exclusively and / or not with the first metal layer, in particular by a material connection and / or a form connection and / or a force connection and / or a current conductor.

[0017] In an advantageous embodiment of the invention, the second contacting unit is located on a second outer surface of the second metal layer, in particular directly and / or in a conductive manner.

[0018] It is advantageous if the first contact unit and / or the second contact unit penetrates one of the two outer layers. This allows for electrical contact between the two metal layers.

[0019] According to an advantageous embodiment of the invention, the first contacting unit comprises a first destructive element which is designed such that, when connecting the contacting unit to the metal-plastic composite plate, in particular by applying a contact force, it penetrates one of the two outer layers.

[0020] Connecting the second conductor via a second contact point increases the flexibility and / or adaptability of the electrical connection. Alternatively or additionally, it offers advantages if the contact points, through their specific arrangement on the outer surfaces of the metal layers, ensure an efficient and / or reliable electrical connection. The ability of the contact points to penetrate the outer layers enables a direct and / or efficient electrical connection, thus improving the system's performance and / or reliability.

[0021] Additionally or alternatively, it is advantageous if the destructive elements of the contacting units selectively penetrate an outer layer when a contact force is applied, enabling a direct and / or stable electrical connection without impairing the insulation properties or the structural integrity of the composite panel.

[0022] It is advantageous if the second contacting unit includes a second destructive element designed in such a way that, when connecting the contacting unit to the metal-plastic composite plate, in particular by applying a contact force, it penetrates one of the two outer layers.

[0023] It is advantageous if the first destruction element and / or the second destruction element has teeth and / or is designed as a fan disc.

[0024] In an advantageous embodiment of the invention, a first cable lug is located at the first destruction element and / or a second cable lug is located at the second destruction element.

[0025] It is advantageous if the first contacting unit comprises a dielectric first insulating element and / or the second contacting unit comprises a dielectric second insulating element that electrically isolates one of the two metal layers from the contacting unit. According to an advantageous embodiment of the invention, the first insulating element and / or the second insulating element is designed as a washer, bushing, and / or collared bushing.

[0026] Furthermore, it is advantageous if the first contacting unit comprises a first fastening element and / or the second contacting unit comprises a second fastening element by means of which the respective contacting unit is connected to the metal-plastic composite plate, in particular detachably or permanently.

[0027] Advantageously, the first fastening element and / or the second fastening element is made of an electrically conductive material. Additionally or alternatively, it is advantageous if the first fastening element and / or the second fastening element comprises a screw and / or a nut. Additionally or alternatively, it is advantageous if the first fastening element and / or the second fastening element comprises a bolt, a rivet, a clip, and / or a clamp and / or is designed as such a fastening element.

[0028] Furthermore, it is advantageous if the metal-plastic composite plate includes a first contact recess in which the first contact unit is at least partially accommodated. Alternatively or additionally, it is advantageous if the metal-plastic composite plate includes a second contact recess in which the second contact unit is at least partially accommodated.

[0029] The introduction of toothed penetrating elements, preferably designed as fan-shaped discs, enables effective penetration of the outer layers, ensuring a reliable electrical connection during assembly. The arrangement of cable lugs on the penetrating elements improves electrical contact and / or simplifies assembly. The integration of insulating elements ensures electrical safety and / or prevents short circuits. Furthermore, this ensures that each contact unit is electrically connected to only one of the two metal layers. The detachable design of the fasteners allows for easy maintenance and / or component replacement. The contact recesses in the composite plate facilitate precise and / or space-saving arrangement of the contact units.

[0030] It is advantageous if the first contact recess and / or the second contact recess extends completely through the metal-plastic composite plate, particularly from a first outer surface of the plate to a second outer surface. In this context, it is advantageous if the first contact recess and / or the second contact recess is designed as a bore.

[0031] In an advantageous embodiment of the invention, the first destructive element of the first contacting unit and / or the second insulating element of the second contacting unit are arranged on the outer surface of the first plate. It is advantageous if the second destructive element of the second contacting unit and / or the first insulating element of the first contacting unit are arranged on the outer surface of the second plate.

[0032] Alternatively, it is advantageous if the first conductor is directly connected to the corresponding first metal layer, particularly by a metallurgical bond and / or by conducting current, and especially not exclusively and / or not with the second metal layer. In this context, it is advantageous if the first conductor is welded to the first metal layer, particularly by resistance spot welding, ultrasonic welding, laser welding, and / or stud welding. It is advantageous if the first conductor is welded to the first metal layer in such a way that the first outer layer in the contact area between the first conductor and the first metal layer is destroyed by the heat input and / or the plastic layer remains undamaged.

[0033] In this context, it is also advantageous if the first conductor is bonded to the first metal layer, particularly by means of an electrically conductive adhesive. It is further advantageous if the first outer layer in the contact area between the first conductor and the first metal layer is removed, particularly mechanically and / or thermally, and / or is removed before bonding.

[0034] Alternatively, it is advantageous if the second conductor is directly connected to the corresponding second metal layer, particularly by a metallurgical bond and / or by conducting current, and especially not exclusively and / or not with the first metal layer. In this context, it is advantageous if the second conductor is welded to the second metal layer, particularly by resistance spot welding, ultrasonic welding, laser welding, and / or stud welding. It is advantageous if the second conductor is welded to the second metal layer in such a way that the second outer layer in the contact area between the second conductor and the second metal layer is destroyed by the heat input and / or the plastic layer remains undamaged.

[0035] In this context, it is also advantageous if the second conductor is bonded to the second metal layer, particularly by means of an electrically conductive adhesive. It is further advantageous if the second outer layer in the contact area between the second conductor and the second metal layer is removed, particularly mechanically and / or thermally, and / or is removed before bonding.

[0036] According to an advantageous embodiment of the invention, the metal-plastic composite plate comprises at least one first locking recess into which a first locking element of the first housing body engages in a form-fitting manner. Furthermore, it is advantageous if the metal-plastic composite plate comprises at least one second locking recess into which a second locking element of the second housing body engages in a form-fitting manner.

[0037] Advantageously, the second locking recess and / or the second locking element have a corresponding shape such that they are rotatable relative to each other about an axis of rotation. Furthermore, it is advantageous if the second housing body, particularly about this axis of rotation, is rotatable relative to the metal-plastic composite plate between a first operating position and / or a second operating position.

[0038] Alternatively or additionally, it offers advantages if at least one stop is formed between the metal-plastic composite plate, in particular the second locking recess, and / or the second housing body, in particular the second locking element, so that the rotation between the metal-plastic composite plate and / or the second housing body is limited to an angular range, in particular of less than or equal to 360° and / or 180°.

[0039] Extending the contact recesses through the entire thickness of the metal-plastic composite panel enables continuous and / or efficient mounting of the contact units. Designing the recesses as holes simplifies the manufacturing and / or positioning of the components. Positioning the destructive and / or insulating elements on opposite sides of the composite panel optimizes electrical function and / or safety. Integrating locking recesses improves the mechanical connection between the housing bodies and / or the composite panel, thus stabilizing the structure and / or facilitating easy assembly. The rotatability of the second housing body expands the functionality and / or adaptability of the electrical device, while limiting the rotation with stops prevents the power cables from twisting.

[0040] It is advantageous if the first housing body comprises a first housing with a first receiving opening. It is advantageous if the metal-plastic composite plate is inserted into an interior of the first housing via the first receiving opening.

[0041] In an advantageous embodiment of the invention, the first housing body is designed as a stand, preferably having a base for placing the electrical device on a floor. It is advantageous if the first housing body includes a battery, a charging interface, and / or a control unit as its first electrical component. Preferably, the at least one first electrical component is designed such that the maximum voltage is 5V and / or 12V.

[0042] According to an advantageous embodiment of the invention, the second housing body comprises a second housing with a first housing part and / or a second housing part. Advantageously, the first housing part and the second housing part are detachably connected to one another. Furthermore, it is advantageous if the metal-plastic composite plate is positively engaged and / or rotatably received between the two housing parts.

[0043] Advantageously, the metal-plastic composite panel is positioned between the two housing parts in such a way that the metal-plastic composite panel, particularly with its plastic layer, partially forms the outer surface of the second housing body. Furthermore, it is advantageous if the second housing body includes an electric motor as a second electrical component.

[0044] Alternatively or additionally, it offers advantages if the second housing body includes a blade, in particular a fan blade, which is non-rotatably connected to a housing output shaft of the electric motor. It is advantageous if, in a side view of the electrical device, the housing output shaft is inclined relative to the base in the first operating position such that the fan blade points towards the ground during intended use, and / or is oriented essentially parallel to the base in the second operating position.

[0045] According to an advantageous embodiment of the invention, the connecting body, the first housing body and / or the second housing body forms at least a part of an outer housing of the electrical device, in particular a load-bearing one.

[0046] The introduction of the first housing body with a receiving opening and the embedding of the metal-plastic composite panel within this housing body simplifies assembly and / or improves the structure of the electrical device. Designing the first housing body as a stand with integrated electrical components such as a battery, charging interface, and / or control unit optimizes space utilization and / or the functionality of the device. The combination of positive-locking and / or rotatable mountings of the metal-plastic composite between the housing parts, particularly with the preferably partial forming of the housing exterior, demonstrates the integrative role of the composite panel in the overall structure of the device. Adjusting the orientation of the housing output shaft for different operating positions expands the range of applications and / or the user-friendliness of the electrical device.

[0047] The use of a metal-plastic composite plate for electrically connecting two electrical components in an electrical device is proposed, wherein the electrical device and / or the metal-plastic composite plate is designed in particular according to the preceding description, wherein the aforementioned features may be present individually or in any combination.

[0048] Further advantages of the invention are described in the following exemplary embodiments. These show: Figure 1 a lateral sectional view of an electrical device in a first operating position with a connecting body formed from a metal-plastic composite plate. Figure 2 a side sectional view of the electrical device in a second operating position, Figure 3 a detailed sectional view of the electrical device in the area of ​​a first housing body, Figure 4 a detailed sectional view of the electrical device in the area of ​​a second housing body, Figure 5 a detailed sectional view of the electrical device in the area of ​​a first contacting unit and Figure 6 A detailed sectional view of the electrical device in the area of ​​a second contacting unit.

[0049] The in Figures 1 to 6 The illustrated embodiment shows an electrical appliance 1, which is designed and / or can be used in particular as a food cooler, fan, lamp and / or music system. The electrical appliance 1 comprises, according to... Figure 1The electrical device 1 comprises a first housing body 3, which includes at least one first electrical component 5. A second housing body 4, which includes a further, second electrical component 6, is also part of the electrical device 1. Furthermore, the electrical device includes a connecting body 7, which mechanically connects the two housing bodies 3 and 4. Consequently, the connecting body has a load-bearing function and / or is designed as a support and / or supporting structure. The electrical components 5 and 6 within the housing bodies 3 and 4 are additionally electrically connected to each other by the connecting body 7. As can be seen from the embodiment shown in Figure 1, the connecting body 7 is designed as a metal-plastic composite plate 8. The metal-plastic composite plate 8 combines the mechanical load-bearing function and the electrical conductivity function in a single component.This component comprises, as explained in detail below, several components, in particular those that are mechanically load-bearing and / or electrically conductive.

[0050] The metal-plastic composite panel 8 is characterized by its electrically conductive layers. It comprises a first metal layer 9 and a second metal layer 10. A dielectric plastic layer 11 is embedded between these metal layers 9 and 10. Additionally or alternatively, it is advantageous if the plastic layer 11 is designed as a mechanical support structure. This enables the metal-plastic composite panel 8 to support at least one of the two housing bodies 3 and 4 in the present case. Figure 1The illustrated embodiment, in particular the second housing body 4, is supported. It is advantageous if the first metal layer 9 and the second metal layer 10 are made of materials such as aluminum, copper, or stainless steel. Polyethylene is preferably used for the plastic layer 11, so that the two metal layers 9 and 10 are electrically insulated from each other.

[0051] The exemplary embodiment of the Figure 1 further comprises two dielectric outer layers 12, 13, which are particularly evident in the Figures 5 and 6The detailed views shown illustrate this. These are arranged such that the two metal layers 9, 10 and the plastic layer 11 are positioned between them. Alternatively or additionally, it offers advantages if at least one of the two outer layers 12, 13 is formed by a film or a coating. This can improve both the durability and the insulating properties of the metal-plastic composite panel 8. According to the Figure 1 , 3 and 4 The first metal layer 9 in the first and second housing bodies 3, 4 is electrically connected to a respective first conductor 14, in particular a power cable. Similarly, the second metal layer 10 is electrically connected to a respective second conductor 15. These connections enable effective electrical functionality of the metal-plastic composite panel 8.

[0052] The efficient electrical connection of the conductors 14, 15 is ensured by contact units 16, 17. The first conductor 14 is connected to the corresponding first metal layer 9 via a first contact unit 16. The second conductor 15 is similarly connected to the second metal layer 10 via a second contact unit 17. These connections are designed to be positively locked and / or force-locked, which promotes a stable and reliable electrical connection. A detailed view of these contact units 16, 17 is shown in Figures 5 and 6, which will be discussed in more detail below.

[0053] In an embodiment not shown here, the first conductor 14 could also be directly connected to the corresponding first metal layer 9, particularly by a metallurgical bond and / or by conducting current, and especially not exclusively or not at all to the second metal layer 10. In this context, it is advantageous if the first conductor 14 is welded to the first metal layer 9, particularly by resistance spot welding, ultrasonic welding, laser welding, and / or stud welding. Advantageously, the first conductor 14 is welded to the first metal layer 9 in such a way that the first outer layer 12 in the contact area between the first conductor 14 and the first metal layer 9 is destroyed by the heat input and / or the plastic layer 11 remains undamaged.In this context, it is also advantageous if the first conductor 14 is bonded to the first metal layer 9, in particular by means of an electrically conductive adhesive.

[0054] Likewise, the second conductor 15 could also be additionally or alternatively connected directly, in particular exclusively and / or not with the first metal layer 9, to the corresponding second metal layer 10, in particular by a metallurgical bond and / or by conducting current. In this context, it is advantageous if the second conductor 15 is welded to the second metal layer 10, in particular by resistance spot welding, ultrasonic welding, laser welding and / or stud welding. The second conductor 15 is preferably welded to the second metal layer 10 in such a way that the second outer layer 13 in the contact area between the second conductor 15 and the second metal layer 10 is destroyed by the heat input and / or the plastic layer 11 remains undamaged.In this context, it is also advantageous if the second conductor 15 is bonded to the second metal layer 10, in particular by means of an electrically conductive adhesive.

[0055] The metal-plastic composite plate 8 includes specific locking mechanisms for mechanically connecting it to the first and / or second housing body. Accordingly, the metal-plastic composite plate 8 comprises, according to Figure 1 and 3 A first locking recess 20, into which a first locking element 21 of the first housing body 3 engages in a form-fitting and / or releasable manner. This interaction guarantees a stable and / or releasable mechanical connection between the metal-plastic composite plate 8 and the first housing body 3.

[0056] Furthermore, the metal-plastic composite panel 8 has, according to the Figure 1 and 4via a second locking recess 22, into which a second locking element 23 of the second housing body 4 engages in a form-fitting manner. According to the Figure 1 and 4 The second locking recess 22 and the second locking element 23 have corresponding shapes that allow them to rotate relative to each other about a rotational axis A. This provides a flexible connection that enables adjustment of the relative positioning of the housing bodies 3, 4 to each other.

[0057] In the Figure 1 and 3It is further evident that the first housing body 3 comprises a first housing 24 with a first receiving opening 25. This receiving opening 25 serves to receive the metal-plastic composite plate 8, which is inserted into the interior 26 of the first housing 24. This design enables precise positioning and secure anchoring of the metal-plastic composite plate 8 in the first housing body 3.

[0058] Furthermore, the first housing body 3 is designed as a stand 27. This stand 27 preferably has a base 28 which provides the electrical device 1 with a stable placement on a floor. This design contributes to the stability and sturdiness of the electrical device 1.

[0059] As from the Figure 1 and 3As can be seen, the first housing body 3 comprises, as the first electrical component 5, a battery 29 and a control unit 30. It is additionally advantageous if the first housing body 3 includes a charging interface (not shown in the figures) for charging the battery 29. This charging interface can be wired and / or wireless, which provides the user with increased flexibility when charging the battery 29.

[0060] The Figure 1 and 4 The figures further show that the second housing body 4 comprises a second housing 31. This second housing 31 consists of at least a first housing part 32 and a second housing part 33. The metal-plastic composite plate 8 is positively engaged and / or rotatably mounted between these two housing parts 32, 33, which allows rotation about the axis of rotation A.

[0061] The second housing 31, in particular the first housing part 32 and / or the second housing part 33, is designed such that a shaft section 34 extends through the second locking recess 22 of the metal-plastic composite plate 8. This configuration of the shaft section 34 and the second locking recess 22 forms a pivot joint 35 that is rotatable about the axis of rotation A.

[0062] The metal-plastic composite panel 8 is designed according to the Figure 1 and 4 The metal-plastic composite plate 8 is accommodated in a special way between the two housing parts 32, 33 of the second housing body 4. In particular, the metal-plastic composite plate 8 with its plastic layer 11 is arranged such that it forms part of the outer surface 36 of the second housing body 4. This extends the functionality of the metal-plastic composite plate 8 by a third function.

[0063] According to the Figure 1 and 4The second housing body 4 includes an electric motor 37 as a second electrical component 6. This electric motor 37 provides the driving force for other functional elements, such as a fan blade 39. The fan blade 39 is rotationally fixed to a housing output shaft 38 of the electric motor 37, which ensures efficient power transmission.

[0064] The arrangement of the housing output shaft 38 is shown in the Figure 1 The side view of the electrical appliance 1 in its first operating position is designed such that it is inclined relative to the base 28. This causes the fan blade 39 to point towards the floor during intended use, which is advantageous for certain applications, such as cooling food.

[0065] In a Figure 2In the second operating position of the electrical device 1 shown, the housing output shaft 38 is inclined such that, in side view, it is essentially parallel to the base 28. This variable orientation allows for flexible use of the electrical device 1, as it can thus be adapted to different needs and environmental conditions. The axis of rotation A and the housing output shaft are inclined relative to each other, particularly in both operating positions.

[0066] The connecting body 7, together with the first housing body 3 and / or the second housing body 4, forms at least part of the outer housing 2 of the electrical device 1. This integration of various components into the outer housing 2 contributes to a compact and harmonious overall structure, which promotes the robustness of the electrical device 1.

[0067] In Figure 2The electrical device 1 is shown in its second operating position. This embodiment illustrates the different application possibilities that result from the adjustability of the second housing body 4 in relation to the metal-plastic composite plate 8. The second housing body 4 is therefore designed such that it can be adjusted between the first operating position, as shown in Figure 1 is shown, and the second operating position, which Figure 2 It illustrates that it is rotatable.

[0068] At least one stop is formed between the metal-plastic composite plate 8, in particular the second locking recess 22, and the second housing body 4, in particular the second locking element 23. The stop limits the rotation of the second housing body 4 to a defined angular range. This angular range is specifically limited to a range of less than or equal to 360° or 180°. This limitation ensures precise and safe adjustment of the device's tilt angle, which is consistent with the safety requirements and functionality expected of an electrical device 1 of this type. Furthermore, this prevents the conductors 14, 15 of the second housing body 4 from twisting off.

[0069] According to the Figure 1 and 2The specific configuration of the second housing body 4, in combination with the metal-plastic composite panel 8, allows for flexible adaptation to various operating conditions, depending on the user's needs. The rotatability facilitates modification of the airflow direction or the output of other functions of the electrical device 1 without compromising structural stability or safety.

[0070] In the Figure 5A detailed sectional view of the electrical device 1 is shown in the area of ​​a first contacting unit 16. This detailed representation illustrates that the metal-plastic composite plate 8 has a first contacting recess 52. The first contacting unit 16 is at least partially accommodated in this first contacting recess 52. The configuration of this area shows how the metal-plastic composite plate 8 is an integral part of the contacting system.

[0071] At least one of the two conductors 14, 15 is designed as a power cable and / or preferably has a cable lug 44, 45, in particular a ring terminal. Furthermore, the first contacting unit 16 is located according to Figure 5on a first outer surface 40 of the first metal layer 9. This arrangement is designed to be direct and electrically conductive, ensuring electrical conductivity between the components. The first contacting unit 16 penetrates the first outer layer 12, enabling a direct electrical connection to the first metal layer 9.

[0072] The one in Figure 5 The first contacting unit 16 shown also includes a first destruction element 42. This first destruction element 42 is designed such that when the first contacting unit 16 is connected to the metal-plastic composite plate 8 - in particular by applying a contact and / or rotational force - it penetrates the first outer layer 12.

[0073] The first cable lug 44 is electrically conductive and / or directly in contact with the first breaking element 42, thus enabling reliable contact. Furthermore, the first contacting unit 16 includes a dielectric first insulating element 46. This insulates according to Figure 5 The second metal layer 10 is electrically insulated from the contacting unit 16. This insulation is crucial to ensure that only one of the two metal layers 9, 10 makes electrical contact with the first conductor 14.

[0074] Additionally, the first contacting unit 16 is equipped with a first fastening element 48. This first fastening element 48 allows the first contacting unit 16 to be connected, particularly detachably, to the metal-plastic composite plate 8, thus facilitating flexible assembly, easy maintenance, and / or easy replacement.

[0075] Figure 6Figure 1 reveals another detailed sectional view of the electrical device 1, this time focusing on the area of ​​a second contacting unit 17. This unit comprises the same components as the first contacting unit 16, so the preceding description is analogous. One difference, however, is that the destruction element 43 and the insulating element 47 are arranged on opposite sides of the metal-plastic composite plate 8. As can be seen from Figure 1, the following applies: Figure 6 As can be seen, the metal-plastic composite plate 8 therefore includes a second contact recess 53 in which the second contact unit 17 is at least partially integrated.

[0076] It is of particular importance that the second contacting unit 17 is in direct, electrically conductive contact with a second outer surface 41 of the second metal layer 10. Such an arrangement ensures an optimal electrical connection, which is important for the functionality of the electrical device 1. The direct connection allows the second contacting unit 17 to pass through the second outer layer 13 and thus establish an electrical connection with the second metal layer 10.

[0077] To realize this connection, the second contacting unit 17 includes a second destructive element 43. This second destructive element 43 is designed such that, during the connection process with the metal-plastic composite plate 8 – particularly through the application of a contact and / or rotational force – it penetrates the second outer layer 13. With this function, the second destructive element 43 ensures a reliable electrical connection between the second conductor 15 and the second metal layer 10 of the metal-plastic composite plate 8.

[0078] Furthermore, a second cable lug 45 is arranged on the second destruction element 43 to ensure a secure and durable electrical connection. The integration of a dielectric second insulating element 47 further contributes to electrically isolating the first metal layer 9 from the second contacting unit 17. This insulation ensures that the second contacting unit 17 is not electrically coupled to the first metal layer 9. Instead, the second conductor 15 is electrically connected to the second metal layer 10 via a second fastening element 49 and / or the second destruction element 43.

[0079] The second fastening element 49 enables a detachable connection with the metal-plastic composite plate 8. This design allows for flexible assembly and facilitates any maintenance work or necessary adjustments during the service life of the electrical device 1.

[0080] The first destructive element 42 and / or the second destructive element 43 has teeth, which are not shown in the present illustrations. These teeth serve to penetrate the respective outer layer 12, 13 of the metal-plastic composite plate 8 in order to establish an electrical connection. The first and / or second destructive element 42, 43 can be designed as a fan-shaped disc.

[0081] Furthermore, the first insulating element 46 and / or the second insulating element 47 are designed as washers, bushings and / or flanged bushings. This design serves to provide electrical insulation between one of the two metal layers 9, 10 and the contacting units 16, 17.

[0082] The first and / or second fastening element 48, 49 is made of an electrically conductive material. This may be necessary to ensure a continuous electrical connection within the device. In this example, the fastening elements 48, 49 each comprise a screw 50 and a nut 51, which provides a secure yet detachable connection between the contact units and the metal-plastic composite plate. In an embodiment not shown here, the first fastening element 48 and / or the second fastening element 49 could be a bolt, a rivet, a clip, and / or a clamp.

[0083] The two in Figures 5 and 6 The contact recesses 52, 53 shown are located in Figure 1One after the other, so that only one of the two is visible. Consequently, the two contact recesses 52, 53 are spaced apart from each other in the transverse direction of the metal-plastic composite plate 8. In the longitudinal direction of the metal-plastic composite plate 8, they are either not spaced apart or are at least arranged in the same section. This arrangement supports a compact and efficient design.

[0084] The first contact recess 52 and the second contact recess 53 are designed as bores and extend completely through the metal-plastic composite plate 8, from a first plate outer surface 18 to a second plate outer surface 19. This continuous design of the contact recesses 52, 53 enables a direct and reliable connection of the contact units 16, 17 with the metal-plastic composite plate 8.

[0085] As from the Figures 5 and 6As can be seen, the first destructive element 42 of the first contacting unit 16 and the second insulating element 47 of the second contacting unit 17 are positioned on the first outer surface 18 of the plate. The second destructive element 43 of the second contacting unit 17 and the first insulating element 46 of the first contacting unit 16 are correspondingly attached to the second outer surface 19 of the plate. This specific placement contributes to the functional design of the contacting units 16, 17 by enabling effective connection and insulation at the corresponding locations on the metal-plastic composite plate 8. Reference symbol list

[0086] 1 Electrical device 2 Outer housing 3 First housing body 4 Second housing body 5 First electrical component 6 Second electrical component 7 Connecting body 8 Metal-plastic composite plate 9 First metal layer 10 Second metal layer 11 Plastic layer 12 First outer layer 13 Second outer layer 14 First conductor 15 Second conductor 16 First contact unit 17 Second contact unit 18 First outer surface of plate 19 Second outer surface of plate 20 First locking recess 21 First locking element 22 Second locking recess 23 Second locking element 24 First housing 25 First receiving opening 26 Interior 27 Base 28 Footprint 29 Battery 30 Control unit 31 Second housing 32 First housing part 33 Second housing part 34 Shaft section 35 Swivel joint 36 Housing exterior 37 Electric motor 38 Housing output shaft 39 Blower blades 40 First outer surface 41 Second outer surface 42 First destruction element 43 Second destruction element 44 First cable lug 45 Second cable lug 46 First insulation element47 Second insulating element 48 First fastening element 49 Second fastening element 50 Screw 51 Nut 52 First contact recess 53 Second contact recess A pivot axis

Claims

1. Electrical appliance (1), in particular food cooler, fan, lamp and / or music system, comprising a first housing body (3) comprising a first electrical component (5), a second housing body (4) comprising a second electrical component (6), and a connecting body (7) which mechanically connects the two housing bodies (3, 4) together, characterized by that the connecting body (7) is formed from a metal-plastic composite plate (8) and the metal-plastic composite plate (8) electrically connects the two electrical components (5, 6) of the two housing bodies (3, 4).

2. Electrical appliance according to the preceding claim, characterized by that the metal-plastic composite plate (8) comprises an electrically conductive first metal layer (9), an electrically conductive second metal layer (10) and a dielectric plastic layer (11) arranged between these two metal layers (9, 10).

3. Electrical appliance according to any of the preceding claims, characterized by that the metal-plastic composite plate (8), in particular the plastic layer (11), is designed as a mechanical support structure and / or supports at least one of the two housing bodies (3, 4).

4. Electrical appliance according to any of the preceding claims, characterized by that the metal-plastic composite plate (8) comprises two dielectric outer layers (12, 13) between which the two metal layers (9, 10) and the plastic layer (11) are arranged.

5. Electrical appliance according to any of the preceding claims, characterized by that the first metal layer (9) is electrically connected to a first conductor (14) and the second metal layer (10) is electrically connected to a second conductor (15).

6. Electrical appliance according to any of the preceding claims, characterized by thatthe first conductor (14) is electrically connected to the corresponding first metal layer (9) and / or the second conductor (15) is electrically connected to the corresponding second metal layer (10) by means of a metallurgical bond, in particular by welding, and / or that the first conductor (14) is electrically connected via a first contacting unit (16) to the corresponding first metal layer (9) and / or the second conductor (15) is electrically connected via a second contacting unit (17) to the corresponding second metal layer (10), in particular by material connection, form connection and / or force connection.

7. Electrical appliance according to any of the preceding claims, characterized by that the first contacting unit (16) is located on a first outer surface (40) of the first metal layer (9) and / or the second contacting unit (17) is located on a second outer surface (41) of the second metal layer (10), in particular directly and / or in a conductive manner.

8. Electrical appliance according to any of the preceding claims, characterized by that the first contacting unit (16) and / or the second contacting unit (17) penetrates one of the two outer layers (12, 13).

9. Electrical appliance according to any of the preceding claims, characterized by that the first contacting unit (16) comprises a first destruction element (42) and / or the second contacting unit (17) comprises a second destruction element (43) which is designed such that, when connecting the contacting units (16, 17) to the metal-plastic composite plate (8), in particular by applying a contact force, it penetrates one of the two outer layers (12, 13).

10. Electrical appliance according to any of the preceding claims, characterized by thatthe metal-plastic composite plate (8) comprises a first contact recess (52) in which the first contact unit (16) is at least partially received and / or a second contact recess (53) in which the second contact unit (17) is at least partially received.

11. Electrical appliance according to any of the preceding claims, characterized by that the metal-plastic composite plate (8) comprises at least a first locking recess (20) into which a first locking element (21) of the first housing body (3) engages in a form-fitting manner.

12. Electrical appliance according to any of the preceding claims, characterized by thatthe metal-plastic composite plate (8) comprises at least a second locking recess (22) into which a second locking element (23) of the second housing body (4) engages in a form-fitting manner and / or that the second locking recess (22) and the second locking element (23) have a corresponding shape such that they can be rotated relative to each other about an axis of rotation (A).

13. Electrical appliance according to any of the preceding claims, characterized by that the second housing body (4), in particular a first housing part (32) and / or a second housing part (33), comprises a shaft section (34) that extends through the second locking recess (22) of the metal-plastic composite plate (8) and / or that the shaft section (34) and the second locking recess (22) are designed to correspond in such a way that they form a pivot joint (35) rotatable about the axis of rotation (A).

14. Electrical appliance according to any of the preceding claims, characterized by that the housing output shaft (38) is inclined in a side view of the electrical device (1) relative to the base (28) such that the fan blade (39) points towards the ground in the intended use.

15. Use of a metal-plastic composite plate (8) for electrically connecting two electrical components (5, 6) in an electrical device (1), wherein the electrical device (1) and / or the metal-plastic composite plate (8) is designed in particular according to one of the preceding claims.

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