Coupling element, in particular tensioning pad, for an arrangement of a protective plate in an underbody area of ​​a special protection vehicle

Abstract

The invention relates to an arrangement of a protective plate (2) in an underbody area (3) of an electrically driven special protection vehicle (4), in which an electrical energy storage device (14) arranged in the underbody area (3) is at least partially covered downwards by the protective plate (2) in the vehicle's upward direction (8), whereby the electrical energy storage device (14) is protected from being blown up by means of the protective plate (2), and in the vehicle's upward direction (8) at least one coupling element (39) formed from a flexible material (38) is arranged between the protective plate (2) and a storage housing (15) of the electrical energy storage device (14), by means of which the protective plate (2) can be supported upwards on the storage housing (15) in the vehicle's upward direction (8).

Description

The invention relates to an arrangement of a protective plate in an underbody region of an electrically drivable special protective motor vehicle according to patent claim 1.Protective panels for special motor trucks are already sufficiently known from the general prior art. In this case, an electrical energy store of the special protection motor vehicle arranged in the underbody region can be protected by means of the protection plate from explosion, bombardment and / or the like.Furthermore, DE 10 2021 114 902 A1 discloses a floor assembly of a motor vehicle, having a plurality of battery modules which have the battery system, having two side sills for incorporating the floor assembly into a body of the motor vehicle, which side sills extend in a vehicle longitudinal direction and are spaced apart from one another in a vehicle transverse direction, wherein the battery system is arranged between the two side sills with respect to the vehicle transverse direction, and wherein the battery system or the battery modules is / are connected to the side sills via connection regions.It is the object of the invention to provide an arrangement of a protective plate in an underbody region of an electrically drivable special protective motor vehicle, such that comfort of the special protective motor vehicle can be particularly improved.This object is achieved according to the invention by an arrangement of a protective plate in an underbody region of an electrically drivable special protective motor vehicle having the features of patent claim 1. Advantageous embodiments of the invention are the subject matter of the dependent claims and the description.The invention relates to an arrangement of a protective plate in an underbody region of an electrically drivable special protective motor vehicle. The special protection motor vehicle is designed, for example, as a passenger car.The special protection motor vehicle can be understood in particular as a special protection vehicle. The special protection motor vehicle preferably has at least one integrated armouring in order to protect occupants or cargo of the special protection motor vehicle from external attacks. The special protection vehicle can therefore also be referred to as a safety vehicle. The protective plate preferably has the, in particular integrated, armouring. Thus, the integrated armouring of the special protection motor vehicle is formed, for example, at least partially by the protection plate. The special protection motor vehicle can have further protection elements, in particular armour elements, formed separately from the protection plate. The special protection motor vehicle can therefore also be referred to as an armour-plated motor vehicle.The fact that the special protection motor vehicle is electrically drivable can be understood in particular to mean that the special protection motor vehicle has at least one electric machine, by means of which the special protection motor vehicle can be driven electrically, for example purely electrically. The special protection motor vehicle is thus, for example, a battery-electric vehicle or a hybrid vehicle. In other words, the special protection motor vehicle is designed, for example, as a battery-electric vehicle or as a hybrid vehicle. In particular when the special protection motor vehicle is designed as a battery-electric vehicle, the special protection motor vehicle can be understood to mean, in particular, a fully electrified vehicle.The underbody region of the special protection motor vehicle can be referred to in particular as the underfloor region. The underbody region can be understood to mean, in particular, a lower region, in particular a lower subregion, of the special protective motor vehicle with respect to a vehicle vertical direction of the special protective motor vehicle. The underbody region or the subregion is arranged, for example, in the vehicle vertical direction under a floor element, for example a main floor, of a body of the special protective motor vehicle. The body is preferably designed as a self-supporting body. The body preferably delimits an interior of the special protection motor vehicle at least partially, in particular predominantly or completely, for example at least indirectly or directly. The interior space, which can be referred to in particular as a vehicle interior space, can be understood in particular as a passenger space or a passenger space.An electrical energy store of the special protection motor vehicle arranged in the underbody region is at least partially, in particular predominantly or completely, for example at least indirectly or directly, covered by the protection plate in the vehicle vertical direction downwards. In other words, the protective plate is arranged at least in regions, in particular predominantly or completely, under the electrical energy store in the vehicle vertical direction. This means that the protective plate extends at least in regions, in particular predominantly or completely, under the electrical energy store in the vehicle vertical direction. As a result, the electrical energy store can be protected or protected by means of the protective plate at least against explosion. In other words, the protective plate is designed to protect the electrical energy store arranged behind it, in particular above the protective plate with respect to the vehicle vertical direction.The term "explosion" can be understood in particular to mean an explosion or explosion, for example, caused by explosives. For example, the explosion is an explosion caused by a hand garnet. The underbody region of the special protection motor vehicle, in particular the electrical energy store, can thus be protected by means of the protection plate from a hand garnet which detonates in the region of the special protection motor vehicle, in particular below the special protection motor vehicle with respect to the vehicle vertical direction.The electric machine can preferably be supplied with electrical energy stored or chemically bound, in particular, in the electrical energy store by means of the electrical energy store in order to drive the special protection motor vehicle electrically, in particular purely electrically. In other words, the electrical energy store is preferably designed as an electrical traction store, in particular as a traction battery. The electrical energy store is designed, for example, as a battery or as a rechargeable battery.For example, the electrical energy store has at least one receiving space which is at least partially, in particular predominantly or completely, for example directly, delimited by the storage housing of the electrical energy store or is formed by the storage housing. Preferably, a plurality of, in particular electrical, storage elements are arranged or accommodated within the storage housing or in the receiving space.In other words, the receiving space is configured to receive the storage elements. The memory elements are preferably designed as memory cells. The electrical energy store preferably has a plurality of modules, in particular cell modules, which each have a plurality of storage elements, in particular storage cells. The cell modules are preferably arranged in the receiving space or within the storage housing.In order to be able to realize a particularly high electrical power for electrically, in particular purely electrically, driving the special protective motor vehicle, the electrical energy store can have an electrical voltage, in particular an electrical operating voltage or rated voltage, which is preferably greater than 50 volts, in particular above 60 volts, and is preferably a plurality of 100 volts. Accordingly, the electrical energy store is preferably designed as a high-voltage component. In other words, the electrical energy store is designed as a high-voltage store, in particular as a high-voltage battery.The electrical energy store is preferably arranged below the floor element in the vehicle vertical direction. In other words, the electrical energy store is designed as an underground storage, in particular as an underground battery.In order to be able to particularly improve comfort, in particular driving comfort and / or acoustic behavior, of the special protective motor vehicle, it is provided that at least one coupling element formed at least partially, in particular predominantly or completely, from at least one flexible material is arranged between the protective plate and the storage housing of the electrical energy storage device in the vehicle vertical direction. In other words, the coupling element extends at least in regions, in particular predominantly or completely, in the vehicle vertical direction between the protective plate and the storage housing. Via the coupling element, the protective plate can be supported or supported on the storage housing in the vehicle vertical direction upwards, in particular at least indirectly or directly. In other words, the protective plate and the storage housing are in, in particular at least indirectly or directly supported installation via the coupling element or by means of the coupling element at least in the vehicle vertical direction.Preferably, when the protective plate is acted upon by a force acting upward, in particular in the vehicle vertical direction, the protective plate can be supported or can be supported on the storage housing via the coupling element, in particular at least indirectly or directly. This means that the storage housing can be acted upon or acted upon by the protective plate via the coupling element, in particular by the force. The force acting on the protective plate can thus be transmitted at least partially to the storage housing via the coupling element, that is to say via the coupling element. The coupling element can be referred to in particular as a coupling pad or simply only as a pad.The flexible material can be understood to mean, in particular, an elastic and / or soft material. Furthermore, the elastic material can be understood to mean, in particular, a more flexible or more elastic and / or softer material than a material of the storage housing and / or of the protective plate. The coupling element is thus more flexible or elastic and / or softer than the protective plate and / or the storage housing. Preferably, the protective plate and / or the storage housing is formed at least partially, in particular predominantly or completely, from a rigid material. The elastic material is, for example, a plastic. The storage housing and / or the protection plate are formed from metal, for example.Preferably, the coupling element and the protective plate are formed from different materials. This means that the coupling element is formed from a first material and the protective plate is formed from a second material which is different from the first material. The first material is the flexible material. The second material is, for example, the rigid material. Preferably, it is provided that the coupling element and the storage housing are formed from different materials. This means that the coupling element is formed from the first material and the storage housing is formed from a third material which is different from the first material. The third material is, for example, a rigid material. The second and third materials may be the same or different from each other.The invention is based in particular on the following findings and considerations: As a result of vibrational excitation during driving operation, that is to say during travel of the special protective motor vehicle, vibroacoustic scenarios, such as, for example, swummering, rattles and / or the like, can occur in the protective plate, which is referred to in particular as a base plate for high-voltage storage protection. As a result, at least one noise that is perceptible by a vehicle occupant, in particular unpleasant or disturbing noise, can occur, which noise can also be referred to as driving noise. This can have a negative effect on the comfort, in particular driving comfort, of the special protective motor vehicle.In contrast, by means of the coupling element of the arrangement according to the invention, a vibration-related coupling of the protective plate and the storage housing can be effected. As a result, a movement of the protective plate, in particular in the vehicle vertical direction, in particular in the direction of the vehicle, which is in particular undesired and is brought about, for example, by vibrational excitation, can be kept particularly low, as a result of which the vibroacoustic scenarios can be avoided or can be kept particularly low. This means that the noise perceptible by the occupant can be kept particularly low or can be avoided. Thus, driving noises can be kept particularly low, whereby the comfort, in particular driving comfort, of the special protection motor vehicle can be particularly increased. In particular, counter-directed oscillations of the protective plate and of the electrical energy store, in particular of the storage housing, can be avoided or kept particularly low by the coupling element, wherein these counter-directed oscillations can have a negative effect on the driving noises in a conventional arrangement. Because the coupling element is formed from the flexible material, the movement or oscillation of the protective plate can be damped or reduced, as a result of which the oscillation can be transmitted to the storage housing, for example, not at all or only to a particularly low extent. As a result, an undesired oscillation of the storage housing can be avoided or kept particularly low, as a result of which the driving noises can be kept particularly low. By means of the coupling element arranged between the electrical energy store and the protective plate, a coupling or connection between two vibrating masses in the form of the protective plate and the electrical energy store, in particular the storage housing, can be generated by an elasticity of the coupling element. Furthermore, due to the fact that the coupling element is formed from the flexible material, upon application of the force to the protective plate, which force is caused, for example, by the explosion, a mechanical application or mechanical load of the electrical energy store, in particular of the storage housing, can be kept particularly low. As a result, the electrical energy store can be protected particularly reliably from explosion. Safety against damage and deformation of the electrical energy store can therefore be particularly increased.Furthermore, it is provided that the coupling element is prestressed, in particular in its installation position between the storage housing and the protective plate. In other words, the coupling element is loaded with, in particular, mechanical prestress, in particular by the protective plate and / or by the storage housing. This means that the coupling element is placed under, in particular mechanical, tension, for example by being acted upon by the protective plate and / or by the storage housing. The mechanical tension can be understood in particular as a prestress of the coupling element. By means of the prestress, the coupling or connection between the two oscillating masses can be generated by means of the prestress force and elasticity of the coupling element. This makes it possible to keep oscillations of the protective plate and / or of the electrical energy store, in particular of the storage housing, particularly low. The coupling elements, which are designated in particular as stress pads or bias pads, can thus serve to compensate for an oscillation behavior of the protective plate and / or of the electrical energy store. As a result, the comfort of the special protective motor vehicle can be particularly improved.Alternatively or additionally, it is provided that the storage housing has at least one first housing element designed as a housing base and at least one second housing element arranged at least partially, in particular predominantly or completely, above the first housing element and designed as a housing cover in the vehicle vertical direction. In other words, the second housing element extends at least partially further upward in the vehicle vertical direction than the first housing element. For example, the first housing element has an outer side pointing downward in the vehicle vertical direction and the second housing element has an outer side pointing upward in the vehicle vertical direction, for example. Furthermore, it is provided that the storage housing has at least one carrier element which extends at least in regions between the housing elements in the vehicle vertical direction. In other words, the carrier element is arranged between the housing elements. Via the carrier element, the housing elements can be supported or supported on one another at least in the vehicle vertical direction, in particular at least indirectly or directly. In other words, the housing elements are located via the carrier element in at least indirect, in particular direct, for example mutual, support installation. The carrier element is designed, for example, as a cross member or as a longitudinal member. The carrier element can particularly increase a mechanical load capacity of the storage housing, in particular of the electrical energy store. This allows the safety against damage and deformation of the electrical energy store to be particularly increased.For example, the coupling element, in particular in its completely produced state, has a first shape outside its installation position. This means that the coupling element has the first shape if the coupling element is not in its installation position between the protective plate and the storage housing. In particular, the coupling element is not prestressed in the first shape. This means that the coupling element has the first shape when it is free of the prestress. For example, the coupling element has a second shape different from the first shape when the coupling element is located in its installation position between the storage housing and the protection plate, and is in particular acted upon by the storage housing and / or by the protection plate. In particular, the coupling element is prestressed in the second shape. This means that the coupling element has the second shape when the coupling element is prestressed.For example, the coupling element is compressed in the second shape, in particular with respect to the first shape, preferably at least in the vehicle vertical direction. In other words, the coupling element is compressed in its installation position between the protective plate and the storage housing at least in the vehicle vertical direction. The compression can be understood in particular as a squeezing of the coupling element. In particular, the compression or squeezing of the coupling element is effected by the prestressing of the coupling element. For example, if the coupling element has the second shape, a thickness of the coupling element extending in the vehicle vertical direction is at least half as thick, for example at least two thirds as thick, as in the first shape, that is to say as if the coupling element has the first shape. The coupling element can thus be compressed or squeezed at least half, for example two thirds, in particular in the installed position, with respect to the thickness.By prestressing the coupling element, in particular by compressing the coupling element, the protective plate and / or the storage housing can be acted upon, in particular mechanically, by the coupling element. In other words, the protective plate and the storage housing can be or are at least partially braced with one another by means of the coupling element, in particular by prestressing the coupling element. As a result, the oscillations of the electrical energy store, in particular of the storage housing, and / or of the protective plate can be kept particularly low.In a further embodiment, it is provided that the coupling element is designed for, in particular at least partially, suppression of oscillations of the protective plate and / or of the electrical energy store, in particular of the storage housing. In other words, oscillations of the protective plate and / or of the electrical energy store can be damped and / or attenuated by means of the coupling element. This means that the coupling element is designed as a vibration damper, in particular for the protective plate and / or for the electrical energy store, for example for the storage housing. As a result, the oscillations of the protective plate and / or of the electrical energy store, in particular of the storage housing, can be kept particularly low, as a result of which the vibroacoustic scenarios, in particular the driving noise, can be kept particularly low. As a result, the comfort of the special protective motor vehicle can be particularly improved. It can be seen that by means of the coupling element, which is in particular designed as a prestressing pad and is arranged between the electrical energy store and the protective plate, the coupling or connection and at the same time a vibration damper can be generated between the two vibrating masses by means of prestressing force and elasticity of the coupling element.In a further embodiment, it is provided that the flexible material is a foam. In other words, the coupling element is formed at least partially, in particular predominantly or completely, from foam. The foam can bring about a particularly good damping effect for the protective plate and / or for the electrical energy store. The oscillations of the protective plate and / or of the electrical energy store can thus be kept particularly low. The foam is formed from ethylene-propylene-diene rubber (EPDM), for example. In other words, the foam can be EPDM foam.In a further embodiment, it is provided that the coupling element is arranged below the carrier element in the vehicle vertical direction. In other words, the coupling element extends at least in regions in the vehicle vertical direction under the carrier element. As a result, the protective plate can be supported or supported on the carrier element via the coupling element with the intermediary of the first housing element upwards in the vehicle vertical direction, in particular at least indirectly or directly. In other words, when the protective plate is acted upon by the force, the carrier is acted upon or acted upon by the protective plate via the coupling element, in particular mechanically, by the first housing element, i.e. acted upon or acted upon by the force. As a result, the protective plate can be supported on the storage housing in a particularly advantageous manner via the coupling element. In particular, damage to the storage housing can be avoided in this case. A particularly secure support base for supporting the protective plate on the storage housing via the coupling element can therefore be created.Preferably, the coupling element is arranged directly below the carrier element with respect to the vehicle vertical direction. This means that the coupling element is not spaced apart from the carrier element in the vehicle longitudinal direction and / or in the vehicle transverse direction, that is to say no distance is provided between the carrier element and the coupling element in the vehicle longitudinal direction and / or in the vehicle transverse direction.In a further embodiment, at least one second coupling element, in particular formed separately from the coupling element, is provided, which is arranged in the vehicle vertical direction between the storage housing and the floor element of the body of the special protection motor vehicle. In other words, the second coupling element extends in the vehicle vertical direction at least in regions between the storage housing and the floor element. As a result, the storage housing, in particular the second housing element, can be supported or supported on the floor element via the second coupling element upwards in the vehicle vertical direction, in particular at least indirectly or directly. This means that the storage housing and the floor element are located via the second coupling element in the vehicle vertical direction in, in particular at least indirectly or directly, for example mutually opposite, support extensions. The second coupling element can be formed from the flexible material or from a material different from the flexible material, for example a rigid material. By means of the second coupling element, the storage housing can be supported particularly securely on the base element, in particular when mechanically acted upon. As a result, the mechanical load capacity of the storage housing can be particularly improved. Thus, the safety against damage and deformation of the electrical energy store can be particularly increased.In a further embodiment, it is provided that the second coupling element is arranged above the carrier element in the vehicle vertical direction. In other words, the second coupling element extends at least in regions, in particular predominantly or completely, over the carrier element in the vehicle vertical direction. As a result, the protective plate supported on the carrier element via the coupling element with the intermediary of the first housing element upwards in the vehicle vertical direction can be supported or is supported on the floor element with the intermediary of the second housing element, and in particular with the intermediary of the carrier, via the second coupling element upwards in the vehicle vertical direction, in particular at least indirectly or directly. In other words, the carrier element can be supported or supported at least indirectly, in particular directly, on the floor element by means of the second housing element via the second coupling element. This means that the base element can be or is acted upon, in particular mechanically, by the carrier element acted upon by the force, i.e. is or is acted upon by the force, by means of the further housing element. A force flow when the protective plate is acted upon by the force, for example caused by the attack, can therefore run, starting from the protective plate, via the coupling element, the first housing element, the carrier, the second housing element and the second coupling element to the floor element, and can in particular be introduced into the floor element. As a result, the force can be introduced into the vehicle body in a particularly advantageous manner. As a result, the mechanical load capacity of the protective plate and / or of the electrical energy store, in particular of the storage housing, can be particularly improved. Thus, the safety against damage and deformation of the electrical energy store can be particularly increased.The second coupling element is preferably arranged directly above the carrier element in the vehicle vertical direction. This means that the second coupling element is not spaced apart from the carrier element in the vehicle longitudinal direction and / or in the vehicle transverse direction, that is to say no distance is provided between the second coupling element and the carrier element in the vehicle longitudinal direction and / or in the vehicle vertical direction.In a further embodiment, it is provided that the electrical energy store is held, in particular via the storage housing, at least indirectly, in particular directly, on the body, in particular on at least one body component of the body, of the special protection motor vehicle. In other words, the electrical energy store is fastened, in particular at least indirectly or directly, to the body, in particular to the body component. As a result, the electrical energy store can be fastened particularly securely in the special protection motor vehicle.For example, the electrical energy store, in particular the storage housing and / or at least one supporting structure of the electrical energy store, has at least one connection region, via which the electrical energy store, in particular in the underbody region, is held at least indirectly, in particular directly, on the body, for example a body component.In order to be able to particularly increase the safety with respect to damage and information of the electrical energy store and to be able to keep the production cost of the special protective motor vehicle particularly low, it is provided in a further embodiment that the protective plate is held on the body, for example on the body component, with respect to the body, in particular with respect to the body component, and with respect to the electrical energy store, in particular with respect to the storage housing and / or the supporting structure, exclusively, for example at least indirectly or directly. This means that the protective plate is not held or fastened to the electrical energy store, in particular not to the storage housing and / or not to the supporting structure, and in particular is not held or fastened to the body via the electrical energy store, in particular not via the storage housing and / or not via the supporting structure. In other words, the protective plate is decoupled from a storage housing attachment, by means of which the electrical energy storage device, in particular the storage housing and / or the supporting structure, is held on the body in the underbody region, in particular on the body. In other words, the protective plate is held or fastened to the vehicle body independently of the electrical energy store.For example, the protective plate has at least one fastening region, by means of which the protective plate, in particular with respect to the electrical energy store and the body, is held exclusively, for example at least indirectly or directly on the body, for example on the body component. In particular, the protective plate is held in a manner decoupled from the storage housing fastening in the underbody region on the vehicle body, in particular a vehicle body component, via the fastening region. Thus, the fastenings of the electrical energy store, in particular with the connection region, on the vehicle body and the fastening on the protective plate, in particular via the fastening region, on the vehicle body are decoupled from one another. This means that the fastening of the protective plate, in particular via the fastening region, to the body, for example to the body component, runs bypassing the electrical energy store, in particular bypassing the storage housing and / or the supporting structure.This embodiment is based in particular on the following findings and considerations: Usually, the protective plate can have a particularly high thickness for achieving a desired protective effect for the electrical energy store, which can be associated with a high weight. This weight is, so to speak, an additional weight which is to be accommodated in the special protection motor vehicle. In principle, it is conceivable to fasten the protective plate, in particular via the fastening region, directly to the electrical energy store, in particular to the storage housing and / or to the supporting structure. Due to the particularly high weight of the protective plate, it may be possible that for this purpose the storage housing and / or the supporting structure and / or a connection of the electrical energy storage device to the vehicle body, implemented for example by means of a screw connection, would have to be dimensioned to be particularly large or particularly highly loadable. This would have the consequence that in the special protective motor vehicle no series electrical energy storage device, in particular no storage housing and / or no supporting structure of the series electrical energy storage device, and / or no series connection could be used. The electrical energy store of the special protection motor vehicle and / or the connection of the electrical energy store to the body of the special protection motor vehicle would therefore have to be individually adapted with respect to a non-armoured motor vehicle, that is to say a further motor vehicle not designed as a special protection motor vehicle, in order to use these components for the special protection motor vehicle. In other words, the additional weight of the protective plate may be too high to attach the protective plate, in particular directly, to the electrical energy store itself, in particular without having to adapt a design of the series connection, in particular series screw connection. This can have a negative effect on the production cost of the special protective motor vehicle.In contrast, by means of the arrangement according to the invention, the protective plate can be fastened to the vehicle body not on the electrical energy store or not on the vehicle body via the electrical energy store, but rather decoupled from the electrical energy store. Thus, for example, a direct connection of the protective plate to the vehicle body, in particular to the vehicle body component, can be effected, wherein this connection does not run via the electrical energy store, in particular not via the support structure and / or the storage housing. As a result, the electrical energy store, which in particular extends across the design variant, in particular the supporting structure and / or the storage housing, and / or the connection of the electrical energy store to the vehicle body can be used in the special protection motor vehicle and in the non-armoured motor vehicle, which extends across the design variant. This means that a number of identical parts in the special protection motor vehicle and in the further motor vehicle can be increased in a particular manner. This makes it possible to keep the production cost, in particular production costs, of the special protective motor vehicle particularly low. Overall, it can be seen that integration and a connection of a floor armouring decoupled from the electrical energy store to the vehicle body can be realized in the form of the protective plate provided for the electrical energy store.The storage housing attachment can be understood in particular as an attachment or coupling different from the coupling of the protective plate to the storage housing via the coupling element, since preferably only a supporting effect between the protective plate and the storage housing can be effected or is effected via the coupling element and preferably no attachment.Overall, it can be seen that by means of the coupling element, a vibration-related coupling of the protective plate to the electrical energy store, in particular to the storage housing, which coupling differs from the storage housing attachment, can be created. Thus, both the particularly advantageous fastening of the protective plate over the fastening region, in particular independently of the electrical energy store, can be effected and the oscillations of the protective plate and / or of the electrical energy store can be kept particularly low by means of the coupling element.In a further embodiment, it is provided that the protective plate is held on at least one side sill of the special protective motor vehicle, in particular via the fastening region, for example at least indirectly or directly. In other words, the protective plate is held with respect to the at least one side sill and the electrical energy store exclusively on the side sill, in particular on the vehicle body via the side sill. As a result, the protective plate can be fastened to the vehicle body in a particularly low-complexity and / or particularly reliable manner, in particular in a particularly highly mechanically loadable manner. The side sill may be part of the body or the side sill may be formed separately from the body. Thus, the body component is, for example, the side sill.When the protective plate is connected to the vehicle body in the outer region with respect to the vehicle transverse direction, that is to say in particular via the side sill, vibration excitations during the driving operation, for example the vibroacoustic scenarios, could occur without the coupling element. This can be avoided or kept particularly low by the coupling element. As a result, the comfort of the special protective motor vehicle can be particularly improved.Further features of the invention are evident from the claims, the figures and the description of the figures. The features and combinations of features mentioned above in the description and the features and combinations of features mentioned below in the description of the figures and / or shown alone in the figures can be used not only in the respectively specified combination but also in other combinations or alone.The invention will now be explained in more detail on the basis of a preferred exemplary embodiment and with reference to the drawings. The following are shown: FIG. 1 is a schematic perspective view of an arrangement according to the invention; and FIG. 2 is a schematic and perspective partial sectional view of an arrangement according to the invention; and FIG. 3 is a schematic partial sectional view of an arrangement according to the invention; and FIG. 4 is a schematic and perspective further partial sectional view of an arrangement according to the invention; and FIG. 5 shows a schematic and perspective partial sectional view of an arrangement according to the invention in a first sectional plane; and FIG. 6 shows a schematic and perspective partial sectional view of an arrangement according to the invention in a second sectional plane; and FIG. 7 shows a schematic plan view of an arrangement according to the invention; and FIG. 8 shows a schematic and perspective partial sectional view of an arrangement according to the invention for illustrating a coupling element; and FIG. 9 shows a schematic and perspective detailed view of the arrangement according to the invention from FIG. 8 ; and FIG. 10 shows a schematic and perspective partial view of an arrangement according to the invention according to a further embodiment.In the figures, identical or functionally identical elements are provided with identical reference symbols.FIG. 1 shows a schematic perspective view of an arrangement 1 of a protective plate 2 in an underbody region 3 of an electrically drivable special protective motor vehicle 4 obliquely from below. In particular, FIG. 1 shows a schematic and perspective partial view of the special protective motor vehicle 4. FIG. 2 shows the arrangement 1, in particular the special protection motor vehicle 4, in a schematic and perspective partial sectional view.The special protective motor vehicle 4 has an, in particular self-supporting, body 5, which preferably delimits or forms an interior space 6 of the special protective motor vehicle 4 at least partially, in particular predominantly or completely. In the exemplary embodiment, the body 5 has at least one floor element 7, which is designed, for example, as a main floor of the body 5. The floor element 7 delimits the interior space 6 at least partially, in particular predominantly or completely, downward in the vehicle vertical direction 8 of the special protective motor vehicle 4. The body 5 preferably has two side walls 9. This means that the body 5 has a first side wall 9 and a second side wall spaced apart from the first side wall 9 in the vehicle transverse direction 10. The respective side wall can be referred to in particular as a respective side frame. Preferably, the respective side wall 9 delimits the interior space 6 at least partially, in particular predominantly or completely, in the vehicle transverse direction 10.In the exemplary embodiment, the body 5 has two side sills 11. This means that the vehicle body 5 has a first side sill 11 and a second side sill spaced apart from the first side sill 11 in the vehicle transverse direction 10. For example, the respective side sill 11 adjoins the respective side wall 9, in particular a respective outer part 12 of the respective side wall 9, at least indirectly, in particular directly, downwards in the vehicle vertical direction 8. The respective side sill 11 can be part of the respective side wall 9 or the respective side sill 11 can be formed separately from the respective side wall 9.For example, the respective side wall 9 has at least one respective inner part 13, which is formed in particular separately from the respective outer part 12 and by means of which the special protection motor vehicle 4, in particular the interior 6, is or can be protected, preferably against explosion, bombardment and / or the like. Thus, the inner part 13 is formed from, for example, armor steel.FIG. 3 shows the arrangement 1 in a schematic partial sectional view. The special protection motor vehicle 4 has at least one electrical energy store 14, which is arranged in the underbody region 3, in particular below the floor element 7 in the vehicle vertical direction 8. The electrical energy store 14 has at least one storage housing 15. The electrical energy store 14, in particular the storage housing 15, is held, for example, on the vehicle body 5 via at least one connection region 16, in particular at least indirectly or directly. The connection region 16 can be understood in particular as a fastening region of the electrical energy store 14, in particular of the storage housing 15. In the exemplary embodiment, the electrical energy store 14, in particular the storage housing 15, is screwed to the vehicle body 5, for example via the connection region 16.The electrical energy store 14 is at least partially, in particular predominantly or completely, covered by the protective plate 2 in the vehicle vertical direction 8 downwards. As a result, the electrical energy store 14 can be protected or protected by means of the protective plate 2 at least against the explosion.For example, the protective plate 2 is held at least indirectly, in particular directly, on the vehicle body 5 via at least one fastening region 17 of the protective plate 2.In order to be able to particularly increase the safety of the electrical energy store 14 with respect to damage and deformation and to be able to keep the production cost of the special protective motor vehicle 4 particularly low, it is provided that the protective plate 2 is held on the body 5, for example, via the fastening region 17, with respect to the body 5, in particular the respective side sill 11, and the electrical energy store 14. This means that the protective plate 2 and the electrical energy store 14 are each fastened to the vehicle body 5 independently of one another via the connection region 16 or the fastening region 17. Thus, for example, via the connection region 16 with respect to the electrical energy store 14 and the protective plate 2, only the electrical energy store 14 is held on the vehicle body 5, and the protective plate 2 is held, for example, via the fastening region 17 with respect to the protective plate 2 and the electrical energy store 14, only on the vehicle body 5. As a result, a connection or the fastening of the protective plate 2 to the vehicle body 5 can be decoupled from the electrical energy store 14. As a result, at least one connection of the electrical energy store 14 can be used across the design variant for the special protection motor vehicle and for a non-armoured further motor vehicle.In the exemplary embodiment, it is provided that the protective plate 2 extends in the vehicle transverse direction 10 at least as far as the side sills 11 of the special protective motor vehicle 4.In a further embodiment, it is further provided that the protective plate 2 is held on at least one of the side sills 11. In the exemplary embodiment, the protective plate 2 is held on the side sills 11, that is to say is fastened to the side sills 11 on both sides with respect to the vehicle transverse direction. This means that the protective plate is held on the vehicle body 5 exclusively via the respective side sill 11 and the electrical energy store 14.In the exemplary embodiment, it is provided that the electrical energy store 14, in particular via its storage housing 15, is held on the side sills 11.This means that the electrical energy store 14 is held on the vehicle body 5 via the side sills 11.In a further embodiment, it is provided that the protective panel 2 and the respective side sill 11 are spaced apart from one another in the vehicle vertical direction 8, and the protective panel 2 is held on the respective side sill 11 by means of at least one intermediate element 18 arranged between the respective side sill 11 and the protective panel 2 in the vehicle vertical direction 8.FIG. 4 shows the arrangement 1 in a schematic and perspective partial sectional view. It can be seen in FIG. 4 that a plurality of intermediate elements 18 are provided, in particular assigned to the respective side sill 11, with the aid of which intermediate elements the protective panel 2 is held on the respective side sill 11. The intermediate elements 18 are arranged in the vehicle vertical direction 8 between the respective side sill 11 and the protective plate 2. Preferably, the respective intermediate element 18 is designed as a respective spacer bushing 19.In a further embodiment, it is provided that at least one receiving element 20 is arranged, in particular held, on the respective side sill 11. For example, the respective receiving element 20 is arranged at least in regions, in particular predominantly or completely, above a sill base 11 aof the respective side sill 11 in the vehicle vertical direction 8. In the exemplary embodiment, a plurality of receiving elements 20, for example designed as threaded bushings, are arranged, in particular held, on the respective side sill 11. A screw element 21 arranged on the protective plate 2 and guided through the respective intermediate element 18 is screwed to the respective receiving element 20 in order to hold the protective plate 2 on the side sill 11, in particular on a respective sill part 24 of the respective side sill 11 and / or on the sill base 11 a, by means of a respective screw connection 22. For example, the respective receiving element 20 is arranged, in particular held, in particular directly, on the respective sill part 24 and / or on the respective sill base 11 aof the respective side sill 11. The respective sill part 24 is arranged, for example, inside the respective side sill 11. This means that the respective side sill 11 has, for example, at least one cavity in which the respective sill part 24 is arranged.It can therefore be provided that the protective plate 2 is not connected, in particular directly, to the electrical energy store 14, in particular to its storage housing 15, but rather is connected separately to the respective side sill 11 via bushes, in particular the respective spacer bush and the respective threaded bush. In particular, the respective protective plate 2 is arranged in the vehicle vertical direction 8 between a respective screw head of the respective screw element 21 and the respective intermediate element 18. The respective screw element 21 is designed, for example, as a respective screw. FIG. 5 shows, in a schematic and perspective partial sectional view, the arrangement 1 in a first sectional plane, in which the respective screw connection 22 is illustrated. For example, the sill part 24 is connected, in particular directly, to the inner part 13. As shown by way of example in FIG. 3 and in FIG. 5, the respective screw head of the respective screw element 21 is, for example, at least partially, in particular predominantly or completely, preferably countersunk in the protective plate 2. In the exemplary embodiment, it is provided that the electrical energy store 14, in particular the store housing 15, has at least one extruded profile 25, in particular extruded aluminum profile. The electrical energy store 14 is held via the extruded profile 25, for example, via the respective connection region 16, on the vehicle body 5, in particular on the respective side sill 11, for example on the respective sill part 24 of the respective side sill 11.As shown by way of example in FIGS. 4 and 5, it is provided in the exemplary embodiment that the extruded profile 25 has at least one through-opening 26, in particular a plurality of through-openings 26. A respective one of the intermediate elements 18 is guided through the respective through-opening 26.FIG. 6 shows the arrangement 1 in a schematic and perspective partial sectional view in a second sectional plane, which is arranged, for example, in front of or behind the first sectional plane in the vehicle longitudinal direction 27. In a further embodiment, it is provided that at least one respective second receiving element 28 is arranged, in particular held, on the respective side sill 11. In the exemplary embodiment, it is provided that a plurality of second receiving elements 28, for example designed as a respective threaded bushing, are arranged, in particular held, on the side sill 11, in particular on the respective sill part 24 of the respective side sill 11. A second screw element 29, in particular directly, arranged on the extruded profile 25, is screwed in each case, in particular directly, to the respective second receiving element 28, in order to hold the electrical energy store 14 via the extruded profile 25 by means of at least one second screw connection 30, in particular at least indirectly or directly, on the respective side sill 11, in particular on the respective sill part 24. The screw elements 21, 29 are formed separately from one another. The screw connections 22, 30 are screw connections which are different from one another and are in particular formed separately from one another.In the exemplary embodiment, the respective second receiving element 28 is arranged at least in regions, in particular predominantly or completely, above the sill base 11 aof the respective side sill 11 in the vehicle vertical direction 8.In the exemplary embodiment, it is provided that the electrical energy store 14 is held via the extruded profile 25 on the respective side sill 11, in particular on the respective sill base 11 aor the respective sill part 24, by means of at least one second intermediate element 31, in particular a plurality of second intermediate elements 31. The respective second intermediate element 31 is, for example, annular, that is to say is formed as a respective intermediate ring or as a respective intermediate disc. In the exemplary embodiment, the respective screw element 29 is each guided through a respective one of the second intermediate elements 31. By means of the respective second intermediate element 31, for example, a galvanic separation between the extruded profile 25 and the respective side sill 11 can be effected.As shown in FIG. 4, it is provided, for example, that at least one of the second screw connections 30 or a plurality of the second screw connections 30 is arranged in the vehicle longitudinal direction 27 between two respective ones of the first screw connections 22. This means that at least one respective one or more of the second receiving elements 28 is arranged in the vehicle longitudinal direction 27 in each case between two respective ones of the receiving elements 20. The screw connections 22, 30 are thus arranged offset with respect to one another, for example, in the vehicle longitudinal direction 27.In the exemplary embodiment, it is provided that the protective plate 2 is formed from aluminum 32.As shown in FIGS. 5 and 6, it is provided, for example, that the storage housing 15 has the extruded profile 25 as a first housing part 33 and has at least one second housing part 34, which is formed in particular separately from the first housing part 33 and is formed, for example, as a cover. The housing parts 33, 34 are screwed together, for example. For example, a receiving space 14 aformed for receiving storage elements 14 bof the electrical energy store 14 is delimited or formed by the first housing part 33 at least in the vehicle transverse direction 10. Alternatively or additionally, the receiving space 14 ais delimited or formed, for example, by the second housing part 34 in the vehicle vertical direction 8, in particular upwards, and / or in the vehicle transverse direction 10, in particular outwards.For example, a plurality of transverse elements 35 are provided, in particular designed as cross members, which extend in the vehicle transverse direction 10 between the side sills 11, wherein the side sills 11 are supported on one another, in particular at least indirectly or directly, for example via the transverse elements 35 in the vehicle transverse direction 10. In the exemplary embodiment, the transverse elements 35 are spaced apart from one another. For example, the electrical energy store 14 has a plurality of modules, wherein at least one respective one of the modules is arranged between the transverse elements 35. Thus, the modules are separated from one another, for example, by the transverse elements 35 or by means of the transverse elements 35. The respective module can be understood in particular as a respective cell module. For example, the respective module has in each case a multiplicity of the storage elements 14 bof the electrical energy store 14.FIG. 7 shows the arrangement 1, in particular the protective plate 2 and the electrical energy store 14, in a schematic plan view according to a further embodiment. It is preferably provided that all storage elements 14 bof the electrical energy store 14 are covered by the protective plate 2 downward in the vehicle vertical direction 8. In particular, it is provided that at least the receiving space 14 a, i.e. at least the storage elements, is covered downwardly by the protective plate 2 in the vehicle vertical direction 8 over a complete length 36 of the receiving space 14 aextending in the vehicle longitudinal direction 27 and over a complete width 37 of the receiving space 14 aextending in the vehicle transverse direction 10.In order to be able to particularly improve comfort, in particular driving comfort, of the special protective motor vehicle 4, at least one coupling element 39 formed from a flexible material 38 is arranged in the vehicle vertical direction 8 between the protective plate 2 and the storage housing 15 of the electrical energy storage 14, via which coupling element the protective plate 2 is supportable or supported on the storage housing 15 upwards, in particular at least indirectly or directly, in the vehicle vertical direction 8. This is illustrated in FIG. 8, in which a schematic and perspective partial sectional view of the arrangement 1, in particular of the underbody region 3, is shown. FIG. 9 shows the arrangement 1 according to FIG. 8 in a schematic detailed view. Only one, in particular exactly one, coupling element 39 can be provided, or a plurality of, in particular separately formed, coupling elements 39 can be provided, which are each formed from the flexible material 38. In the exemplary embodiment shown in FIG. 8, a plurality of coupling elements 39 are provided, via which the protective plate 2 can be supported or is supported on the storage housing 15 upwards in the vehicle vertical direction 8. The protective plate 2 and the storage housing 15 can be coupled to one another by the respective coupling element 39 with respect to oscillations, whereby, for example, counter-directed oscillations of the protective plate 2 and of the electrical energy storage device 14 can be avoided, and in particular noises perceptible to a vehicle occupant of the special protective motor vehicle 4 can be kept particularly low. Acoustics of the special protective motor vehicle 4, in particular during driving, can thus be particularly improved. As a result, the comfort of the special protective motor vehicle 4 can be particularly increased.For example, the respective coupling element 39 is arranged, in particular directly, on the protective plate 2 and / or on the storage housing 15. In particular, the respective coupling element 39 directly contacts the storage housing 15 and / or the protection plate 2.Preferably, it is provided that the respective coupling element 39 is prestressed. It is particularly preferably further provided that the, in particular prestressed, respective coupling element 39 is designed to cancel oscillations of the protection plate 2 and / or of the electrical energy store 14, in particular of the storage housing 15.For example, the elastic material 38 is a plastic. Particularly preferably, the elastic material is a foam 40, for example EPDM foam.In the exemplary embodiment, it is provided that the storage housing 15 has at least one first housing element 41 and at least one second housing element 42 arranged above the first housing element 41 in the vehicle vertical direction 8. The first housing element 41 is designed as a housing base 43 and the second housing element 42 is designed as a housing cover 44. For example, the protective plate 2 can be supported or supported on the first housing element 41 via the coupling element 39 upwards in the vehicle vertical direction 8. This means that the coupling element 39 is supportable or supported on the storage housing 15 via the first housing element 41.As shown in FIGS. 8 and 9, the storage housing 15, in particular the first housing element 41, and the protection plate 2 are spaced apart from one another in the vehicle vertical direction 8. This means that at least one intermediate space 45 extending at least in the vehicle vertical direction 8 is provided between the storage housing 15, in particular the first housing element 41, and the protective plate 2. The intermediate space 45 is preferably at least partially filled with the coupling element 39 or with the coupling elements 39. This means that the respective coupling element 39 is arranged in the intermediate space 45.It is preferably provided that the storage housing 15 has at least one carrier element 46 extending between the housing elements 41, 42 in the vehicle vertical direction 8, by means of which the housing elements 41, 42 are supported against one another in the vehicle vertical direction 8, in particular directly. One, in particular exactly one, carrier element 46 can be provided or a plurality of, in particular separately formed carrier elements 46 preferably spaced apart from one another can be provided, by means of which the housing elements 41, 42 are supported against one another in the vehicle vertical direction 8. The respective carrier element 46 can be the respective transverse element 35 or a respective component different from the transverse elements 35.In the exemplary embodiment, it is provided that the respective coupling element 39 is arranged in the vehicle vertical direction 8 in each case below a respective one of the carrier elements 46, as a result of which the protective plate 2 can be supported or is supported on the respective carrier element 46 via the respective coupling element 39 with the intermediary of the first housing element 41 upwards in the vehicle vertical direction 8, in particular at least indirectly or directly. In particular, one of the coupling elements 39 is assigned to a respective one of the carrier elements 46.In a further embodiment, at least one second coupling element 47, which is formed in particular separately from the coupling elements 39, is provided and is arranged in the vehicle vertical direction 8 between the storage housing 15, in particular the second housing element 42, and the floor element 7 of the vehicle body 5, as a result of which the storage housing 15, in particular the second housing element 42, can be supported or is supported on the floor element 7 or can be supported upwards, for example directly, in the vehicle vertical direction 8 via the second coupling element 47. In the exemplary embodiment shown in FIGS. 8 and 9, a plurality of second coupling elements 47 are provided, which are arranged between the storage housing 15 and the floor element 7 in the vehicle vertical direction 8, as a result of which the storage housing 15 can be supported or is supported on the floor element 7 via the second coupling elements 47 upwards in the vehicle vertical direction 8, in particular directly. In the exemplary embodiment, the second coupling element 47 is arranged, in particular directly, on the storage housing 15, in particular on the second housing element 42. For example, the second coupling element 47 is arranged, in particular directly, on the floor element 7, in particular below the floor element 7 in the vehicle vertical direction 8. Preferably, the respective second coupling element 47 directly contacts the storage housing 15, in particular the second housing element 42 and / or the bottom element 7. The respective coupling element 39 can be referred to in particular as a first coupling element 39.In the exemplary embodiment shown in FIGS. 8 and 9, the storage housing 15, in particular the second housing element 42, and the floor element 7 are spaced apart from one another in the vehicle vertical direction 8. This means that at least one second intermediate space 48 extending at least in the vehicle vertical direction 8 is provided between the floor element 7 and the storage housing 15, in particular in the second housing element 42. The second intermediate space 48 is at least partially filled by the respective second coupling element 47. In other words, the respective second coupling element 47 is arranged in the second intermediate space 48.In the exemplary embodiment, it is provided that the respective second coupling element 47 is arranged above the respective carrier element 48 in the vehicle vertical direction 8, as a result of which the protective plate 2 supported on the respective carrier element 46 by the respective coupling element 39 with the intermediary of the first housing element 41 upwards in the vehicle vertical direction 8 can be supported or is supported on the floor element 7 with the intermediary of the second housing element 42, in particular with the intermediary of the respective carrier element 46, by the respective second coupling element 47 upwards in the vehicle vertical direction 8, in particular at least indirectly or directly. In particular, the respective second coupling element 47 is respectively assigned to a respective one of the carrier elements 46. A force flow resulting from a mechanical loading of the protective plate 2 can therefore run through the protective plate 2 via the respective first coupling element 39 to the respective carrier element 46 and from there run via the respective second coupling element 47 to the floor element 7, and can thus be discharged via the floor element 7 for example into the vehicle body 5. The force flow is illustrated in FIGS. 7 and 8 by means of arrows 49. The mechanical action on the protective plate 2, i.e. the force flow, can be brought about, for example, by detonation of at least one hand garnet 50 in the vehicle vertical direction 8 under the special protective motor vehicle 4. Detonation is illustrated in Figures 8 and 9 by arrows 51.FIG. 10 shows the arrangement 1, in particular the underbody region 3, in a schematic and perspective partial sectional view according to a further embodiment, in which the respective carrier element 46 is configured as a hollow body. This means that the respective carrier element 46 has a respective hollow profile.List of reference characters1 Arrangement 2 Protective panel 3 Underbody region 4 Special protection motor vehicle 5 Body 6 Interior 7 Floor element 8 Vehicle vertical direction 9 Side wall 10 Vehicle transverse direction 11 Side sill 11 a Sill floor 12 Outer part 13 Inner part 14 Electrical energy store 14 a Aufnahmeraum space 14 b Speicher elements 15 Store housing 16 Connection region 17 Fastening region 18 Intermediate element 19 Spacer bushing 20 Receiving element 21 Screw element 22 Screw connection 24 Sill part 25 Extruded profile 26 Through opening 27 Vehicle longitudinal direction 28 Second receiving element 29 Second screw element 30 Second screw connection 31 Second intermediate element 32 Aluminum 33 First housing part 34 Second housing part 35 Transverse element 36 Length 37 Width 38 Flexible material 39 First coupling element 40 Foam 41 First housing element 42 Second housing element 43 Housing floor 44 Housing cover 45 Intermediate space 46 Carrier element 47 Second coupling element 48 Second intermediate space 49 Arrow 50 Hand garnet 51 Arrow

Claims

Arrangement of a protective plate (2) in an underbody region (3) of an electrically drivable special protective motor vehicle (4), in which an electrical energy store (14) arranged in the underbody region (3) is at least partially covered by the protective plate (2) in the downward direction (8) of the vehicle, as a result of which the electrical energy store (14) is protected by means of the protective plate (2) from a burst-on, and at least one coupling element (39) formed from a flexible material (38) is arranged in the vertical direction (8) of the vehicle between the protective plate (2) and a storage housing (15) of the electrical energy store (14), by means of which coupling element the protective plate (2) can be supported on the storage housing (15) in the upward direction (8) of the vehicle, • the coupling element (39) being prestressed and / or • the storage housing (15) having at least one first housing element (41) designed as a housing base (43), at least one second housing element (42) arranged above the first housing element (41) in the vehicle vertical direction (8) and designed as a housing cover (44), and at least one carrier element (46) extending between the housing elements (41, 42) in the vehicle vertical direction (8), by means of which the housing elements (41, 42) are supported against one another in the vehicle vertical direction (8).Arrangement according to Claim 1, characterized in that the coupling element (39) is designed to cancel oscillations of the protective plate (2) and / or of the electrical energy store (14).Arrangement according to claim 1 or 2, characterized in that the flexible material (38) is a foam (40).Arrangement according to one of the preceding claims, characterized in that the coupling element (39) is arranged under the carrier element (46) in the vehicle vertical direction (8), as a result of which the protective plate (2) can be supported on the carrier element (46) upwards via the coupling element (39) with the intermediary of the first housing element (41) in the vehicle vertical direction (8).Arrangement according to one of the preceding claims, characterized byat least one second coupling element (47) which is arranged in the vehicle vertical direction (8) between the storage housing (15) and a floor element (7) of a body (3) of the special protective motor vehicle (4), as a result of which the storage housing (15) can be supported on the floor element (7) upwards in the vehicle vertical direction (8) via the second coupling element (47).Arrangement according to Claims 4 and 5, characterized in that the second coupling element (47) is arranged above the carrier element (46) in the vehicle vertical direction (8), as a result of which the protective plate (2) supported on the carrier element (46) in the vehicle vertical direction (8) upwards via the coupling element (39), with the first housing element (41) being mediated by the protective plate being supported on the floor element (46) upwards via the second housing element (42), with the second coupling element (47), on the floor element (7) in the vehicle vertical direction (8).Arrangement according to one of the preceding claims, characterized in that the electrical energy store (14) is held on a body (5) of the special protective motor vehicle (4) and the protective plate (2) is held exclusively on the body (5) with respect to the body (5) and the electrical energy store (14).Arrangement according to one of the preceding claims, characterized in that the protective plate (2) is held on at least one side sill (11) of the special protective motor vehicle (4).

Images