Mounting and shielding device for an electromagnetic automotive component

Abstract

The invention relates to a mounting and shielding device for mounting and shielding an electromagnetic component (K) on a motor vehicle (F). In order to be able to secure an electromagnetic component to the motor vehicle with high precision and reliable protection against interference, the mounting and shielding device (1) according to the invention comprises a base body (2) that can be secured to the motor vehicle (F), said base body having a holder (2a) for the electromagnetic component (K), and an absorber shield (3) made of a material that is at least partially cellular or foamed, in order to shield an electromagnetic component (K) arranged in the holder (2a) by absorbing electromagnetic radiation.

Description

[0001] The invention relates to a mounting and shielding device for mounting and shielding an electromagnetic component on a motor vehicle.

[0002] Electrical components, i.e., components / elements that receive voltage, are typically only partially or barely shielded in a motor vehicle. If these components / elements are equipped with an absorber, it is usually made of a non-foamed material. Due to its shape and material, this absorber is designed to provide absorption, signal fidelity, and low susceptibility to errors.

[0003] DE 10 2023 114 127 B3 discloses a radar sensor arrangement in a motor vehicle with a sensor holder, a radar sensor and a sensor shield having a sensor receiving opening, e.g. designed as a foam absorber, wherein the sensor shield surrounds the radar sensor at least in part and is connected to the sensor holder.

[0004] However, such foam absorbers are expensive and difficult to process. In particular, cellular or foamed materials are often not economically viable on an industrial scale with high dimensional accuracy, as these foamed materials exhibit significant shrinkage during production and may require extensive reworking and measurement to reliably meet the dimensions required by the vehicle manufacturer.

[0005] The present invention is therefore based on the object of providing a mounting and shielding device for mounting and shielding an electromagnetic component on a motor vehicle, with which an electromagnetic component can be fixed to the motor vehicle with high precision and with reliable protection against electromagnetic interference signals, and which can also be produced economically.

[0006] To achieve this, the invention provides the mounting and shielding device according to claim 1. Disclosed is a mounting and shielding device for mounting and shielding an electromagnetic component on a motor vehicle, comprising a base body that can be secured to the motor vehicle and has a holder for the electromagnetic component and an absorber shield made of a material that is at least partially cellular or foamed, in order to shield an electromagnetic component arranged in the holder by absorbing electromagnetic radiation.

[0007] The special feature of the mounting and shielding device according to the invention is that the components of this device - namely the base body and the absorber shield - are functionally separated and can thus be optimized independently of each other for the respective function according to specific objectives.

[0008] The base body can serve as a custom-made reference component with which the electromagnetic component can be mounted on a motor vehicle with high precision, in a secure and durable manner, yet still replaceable in the event of a defect. For this purpose, the base body includes the holder for the electromagnetic component. The absorber shield, on the other hand, is specifically designed to shield the electromagnetic component when installed and in operation, but is not required for the alignment and installation of the electromagnetic component on the vehicle. The absorber shield can therefore be designed purely for its primary purpose: shielding the electromagnetic component from electromagnetic interference signals on the vehicle. The dimensional accuracy of the absorber shield plays only a minor role. The absorber shield only needs to fit into the specified installation space.However, the corresponding tolerance specifications for maintaining the installation space are significantly easier to meet than the tolerance specifications for the positioning of the electromagnetic component, because the latter can directly impair signal detection and possibly have an impact on driving safety.

[0009] For this purpose, the base body and the absorber shield preferably differ in terms of their physical structure, in particular with regard to the cellularity or foam structure, and possibly also with regard to density. The absorber shield consists of a material that is at least partially cellular or foamed, i.e. it can be configured primarily to shield against electromagnetic interference signals while largely neglecting dimensional accuracy. For the base body, dimensional accuracy is the decisive design specification because the base body is to be used for the precise assembly of the sensor. The base body is therefore preferably not foamed, or at least has a less cellular structure than the absorber shield, because the foam structure is detrimental to high dimensional accuracy.

[0010] Advantageous developments of the invention are the subject matter of the dependent claims.

[0011] It may be advantageous if the base body and the absorber shield are detachably connected to each other or permanently connected, preferably by force-fitting, form-fitting, and / or material-fitting. Various variants are possible.

[0012] It can be beneficial if the base body and the absorber shield are manufactured at different times. This facilitates the production of the absorber shield with a different physical structure than the base body.

[0013] It may be advantageous for the base body and the absorber screen to be molded together, with the base body preferably being molded onto the absorber screen or the absorber screen being molded onto the base body. For this purpose, the absorber screen is preferably inserted into a mold after its manufacture, and the base body is then molded onto the absorber screen, or vice versa. This allows the base body to be formed as a precision component particularly easily and independently of the absorber screen.

[0014] It may prove practical if the base body and / or the absorber shield are formed as a molded part, preferably a plastic molded part. The base body is preferably made of solid plastic. This facilitates the production of these parts with high precision and dimensional accuracy on an industrial scale.

[0015] It is possible for the base body and the absorber shield to be constructed as a single piece and designed to be captive. This can prevent, for example, the absorber shield from accidentally becoming detached from its intended position.

[0016] It is possible for the base body and the absorber shield to be connected by a screw or snap-in connection. Such connections are easy to establish and, if necessary, to remove again if the electromagnetic component needs to be removed for maintenance purposes, for example, or replaced due to a defect. Such a connection can also be achieved using simple means.

[0017] It is possible for the base body and the absorber shield to be connected without tools or fasteners. This simplifies the assembly of the two components.

[0018] It is possible for the absorber shield to be molded onto the base body, preferably by partially or completely encasing the base body in foam. In this design, the dimensional accuracy and precision of the base body can be utilized for the assembly of the electromagnetic component. By molding the absorber shield onto the base body, the overall number of components to be processed is reduced and the assembly of the device according to the invention is facilitated. For this purpose, the base body, after its custom manufacturing, is placed, for example, into another mold for molding the absorber shield.

[0019] It is possible for the absorber shield and the base body to be manufactured separately and subsequently attached to each other. This allows the absorber shield to be manufactured independently of the base body, simplifying production.

[0020] It is possible for the base body and the absorber shield to have complementary (male / female) connectors, with which the base body and the absorber shield can be connected, preferably in a plug-in or snap-in manner. Such connectors generally allow the components to be connected easily and simply, as well as being able to be removed again if necessary. Such connectors can also be used to position and align the two components relative to each other.

[0021] It is possible for the base body and the absorber shield to be adjustable relative to each other in the intended assembled state. This allows the device according to the invention to be individually adapted to the respective conditions, for example, the size and shape of the electromagnetic component.

[0022] It can prove helpful if the base body and the absorber shield are designed separately and can preferably be separately mounted on the vehicle. In this design, the base body and the absorber shield can essentially remain independent of each other and form a functional unit simply through their respective mounting on the vehicle structure, provided the electromagnetic component is properly accommodated in the base body's holder and the shield is properly arranged to shield the electromagnetic component accommodated in the base body's holder from ambient interference.

[0023] It may be useful if the mounting and shielding device is configurable to achieve at least one of the following states, wherein the mounting and shielding device is preferably reversibly transferable between these states: a. A receiving state for inserting an electromagnetic component into the holder. For this purpose, the two components are separated, for example, so that the holder is freely accessible and the electromagnetic component can be inserted into the holder without hindrance. b. A locking mechanism to securely lock an electromagnetic component in the holder, preferably with a positive fit. This can effectively prevent, for example, accidental release of the electromagnetic component from the holder. This design can also prevent rattling of the components while the vehicle is in motion. c. A removal state for removing an electromagnetic component from the holder. This can be done, for example, by separating the two components from each other.

[0024] In one embodiment, the electromagnetic component can, for example, only be arranged in the holder in a state in which the base body and the absorber shield are separated from each other.

[0025] In a further embodiment, the absorber shield and the base body can together form a partially or completely closed housing around the holder.

[0026] It may prove advantageous for the base body, preferably the holder, to have a plate-shaped and / or annular base, preferably designed as a polygonal or rectangular flat frame. This provides the base body with a comparatively simple and cost-effective form that is easy to manufacture and assemble, and can also be manufactured reliably and economically with high dimensional accuracy. Such a base is sufficient for particularly precise mounting of the electromagnetic component on a vehicle structure. Material consumption and manufacturing costs are minimal with this design.

[0027] It can be expedient if the base body is manufactured using an injection molding, blow molding, extrusion, or 3D printing process, preferably as a single piece. Using injection molding, blow molding, or extrusion, the base body can be produced particularly cost-effectively in large quantities on an industrial scale, as the same mold / die can be used multiple times to produce a large number of units. 3D printing allows for the production of particularly complex geometries that are not feasible with other manufacturing processes. The one-piece design of the base body minimizes the number of components.

[0028] For example, it may be advantageous if the base body has a plurality of fastening elements for mounting on the motor vehicle. This may eliminate the need for additional fastening devices.

[0029] It may be advantageous if the base body, preferably the holder, has at least one holding section for positively enclosing the electromagnetic component at the edges, wherein the at least one holding section preferably forms a pocket into which the electromagnetic component can be inserted or pushed. This allows the number of fastening elements required for mounting the electromagnetic component to be reduced. Furthermore, a good connection between the component and the base body is ensured.

[0030] It may be practical if the base body, preferably the bracket, has at least one securing section to secure the base body to the vehicle. This can further reduce the number of fasteners required for installing the mounting and shielding device.

[0031] It can be beneficial if the base body is an integral part of a vehicle attachment. This can further reduce the number of vehicle parts.

[0032] It may prove practical if the absorber shield is essentially funnel-shaped and can be arranged so that it opens from the mount in a direction away from the base body. In this design, the absorber shield can shield the component arranged in the mount from electromagnetic interference signals, particularly from the direction of the motor vehicle, and only transmit the electromagnetic signals to be detected and processed, e.g., from the vehicle's surroundings, to the mount and the electromagnetic component arranged therein.

[0033] For example, the absorber shield may have a substantially rectangular / square opening at the outer funnel opening, while the mount for the electromagnetic component is located in the center. Between the mount and the outer funnel opening, the funnel may widen conically or wedge-shaped.

[0034] It can be helpful if the absorber shield is made partially or entirely of foamed plastic. Using the same or similar plastics as the basis for the base body and the absorber shield can have a number of advantages. For example, only the absorber shield is foamed to achieve a structure that is physically different from the base body. For example, plastics with the same or similar chemical formulation can be easily bonded, for example by welding or gluing, because they have the same or similar melting and cooling behavior. In addition, plastics with the same or similar chemical formulation age in a similar way, so both components can be designed for approximately the same service life. The base body and the absorber shield can also be made of different materials, in particular different plastics.

[0035] It can prove advantageous if the base body and / or the absorber shield have a textured surface. This allows the absorbing surfaces—and thus the shielding effects—of both components to be structurally enlarged or improved.

[0036] It can be helpful if the absorber shield has a receptacle for the electromagnetic component, with the absorber shield preferably forming a frame partially or completely enclosed around the receptacle. This design promotes the stability of the absorber shield and improves its shielding effect.

[0037] It can be helpful if the absorber shield, preferably the receptacle, has at least one pocket for arranging at least one holding section of the base body. This allows for the creation of a particularly compact mounting and shielding device.

[0038] A further aspect of the invention relates to a sensor arrangement comprising a mounting and shielding device according to one of the preceding embodiments and a sensor held in the holder, in particular a radar sensor, as an electromagnetic component.

[0039] Yet another aspect of the invention relates to a motor vehicle having a sensor arrangement according to the preceding embodiment, wherein the base body is mounted on a vehicle structure.

[0040] The same advantages apply to the sensor arrangement and the motor vehicle as previously described for the mounting and shielding device according to the invention. Terms and definitions

[0041] A molded part is a technical component or product that is directly molded into its final shape through a forming process. This involves pouring molten or plasticized material into a mold (tool) and cooling and solidifying it under pressure or vacuum.

[0042] A plastic molded part is a technical component or product made from thermoplastic or thermosetting plastics using a molding process to produce its final shape. Molten or plasticized plastic is poured into a mold (tool) and cooled and solidified under pressure or vacuum. The material base is thermoplastic polymers (e.g., polyethylene, polypropylene, ABS) or thermosetting resins (e.g., epoxy resins, phenolic resins). Dimensional accuracy is subject to tight tolerances in the µm to mm range, depending on the process and tool. The surface finish ranges from matte to textured to high-gloss, and is influenced by the tool surface and process parameters. Typical molding processes include: Injection molding: Is the most widely used process for mass production, where the melt is injected into the mold under high pressure. Extrusion molding: Is a continuous process for profiles, pipes, films and sheets. Blow molding: Is particularly suitable for hollow bodies created by inflating a plastic tube. Thermoforming: Prefabricated sheets or films are heated and drawn into a shape using a vacuum.

[0043] In the context of the present invention, the term "electromagnetic component" refers to all types of detection devices that detect electromagnetic signals, as well as all technical components in which electrical components (powered components / elements such as cables, sensors, lines, cameras, etc.) are used or required. This refers in particular to all types of electromagnetic sensors, especially radar sensors.

[0044] The base body, for example, is made of solid plastic, meaning it has no internal foams or pores and has a consistently homogeneous density and structure.

[0045] The absorber shield according to the invention serves to shield an electromagnetic component held in the holder by absorbing electromagnetic radiation. Within the context of the invention, shielding means that less electromagnetic radiation passes through the shield to the electromagnetic component held in the holder than would reach this component without the shield. The term "shielding" therefore does not mean complete, 100% shielding of electromagnetic interference signals, but rather a reduction compared to the situation without a shield. Short description of the characters

[0046] They show: Fig. 1: a computer-generated perspective front view of a mounting and shielding device according to a first embodiment of the invention, wherein the mounting and shielding device has a base body designed as a rectangular flat frame and an absorber screen made of a foamed material that is funnel-shaped and extends from one side of the base body. Fig. 2: a computer-generated perspective rear view of the mounting and shielding device from Fig. 1. Fig. 3 a computer-generated perspective sectional view of a section of a motor vehicle with a conventional mounting and shielding device and a sensor device to illustrate a possible installation situation in the vehicle. Fig. 4 is another computer-generated perspective sectional view of a portion of a motor vehicle with a conventional mounting and shielding device and a sensor device to illustrate another possible installation situation in the vehicle. Fig. 5-7 computer-generated perspective views of a mounting and shielding device according to a second embodiment of the invention, which is designed for rear-side arrangement / receiving of the sensor device. Fig. 8-10 computer-generated perspective views of a mounting and shielding device according to a third embodiment, which is designed for a front-side arrangement / receiving of the sensor device. Detailed description of the preferred embodiments

[0047] The preferred embodiments of the invention and advantageous variants are described in detail below with reference to the accompanying figures.

[0048] Fig. 1 and Fig. 2 show computer-generated and perspective views of a mounting and shielding device 1 according to the invention for mounting and shielding an electromagnetic component K on / in a motor vehicle F. The device comprises a base body 2 which can be fixed to the motor vehicle F and has a holder 2a for the electromagnetic component K and an absorber shield 3 made of a material which is at least partially cellular or foamed in order to shield an electromagnetic component K arranged in the holder 2a by absorbing electromagnetic radiation.

[0049] In the first embodiment ( Fig. 1 and Fig. 2) The base body 2 is a rectangular flat frame with a plurality of rectangular elongated holes 2h running in the circumferential direction. The elongated holes 2h serve, if necessary, to attach the electromagnetic component K to the base body 1 and to mount the base body 2 to a vehicle structure. Two positioning pins 2e at diametrically opposite corners point from the rear of the base body 2 in order to align it securely with respect to the vehicle structure during assembly on the motor vehicle, both in terms of rotation and bearing. The base body 2 is manufactured, for example, from solid plastic, such as PP, using an injection molding process. As a result, the solid base body 2 has a different physical structure than foamed or cellular materials, and in particular, only minimal shrinkage or deformation and thus high dimensional accuracy.

[0050] On the front side (shield side) of the base body 2 there is the holder 2a for the electromagnetic component K as well as the funnel-shaped absorber shield 3, which absorbs the electromagnetic component arranged in the holder 2a (in Fig. 1 and Fig. 2 not shown) shields against electromagnetic interference signals from the direction of the vehicle and only allows the electromagnetic signals from the vehicle's surroundings to pass through.

[0051] The absorber screen 3 has a rectangular outline when viewed from the front. The height of the absorber screen 3 is identical to the base body 2, although the absorber screen 3 is significantly wider than the base body 2. Starting from the rear side facing the base body 2, the absorber screen 3 widens in a wedge shape toward the opening facing away from the base body 2. At the opening facing away from the base body 2, the absorber screen 3 encompasses the rectangular outline visible in the front view.

[0052] Exemplary installation situations in the vehicle F are shown using conventional mounting and shielding devices 1 with the respective sensor device K in the Fig. 3 and Fig. 4 shown.

[0053] In the second embodiment of the invention according to the Fig. 5 to 7, the mounting and shielding device 1, in particular the base body 2, is designed for the rear-mounting / receiving of the sensor device K. The base body 2 forms an annular frame with an approximately rectangular outline, which serves as a holder 2a for the electromagnetic component (not shown). On the rear of the base body 2, which is intended to face the vehicle, there are several edge-side holding sections 2b, which positively encompass the electromagnetic component K at the edge and form a pocket into which the electromagnetic component K can be inserted. In addition, the holder 2a comprises securing sections 2c to secure the base body 2 to the vehicle. Stiffening ribs 2d stiffen the holding sections 2b relative to the self-contained frame of the base body 2. Positioning pins 2e on the base body 2 serve to align the base body 2 on the vehicle F.Openings 2f serve as female connecting sections for receiving male connecting sections 3c on the absorber screen 3, so that the absorber screen 3 can be connected to the base body 2 without tools.

[0054] The absorber shield 3 is a one-piece component made of foam plastic. It forms a self-contained, circumferential frame with a receptacle 3a for the electromagnetic component K. Adjacent to the receptacle 3a, the absorber shield 3 includes edge-side recesses that form a pocket 3b for positively receiving the base body 3, allowing the absorber shield 3 to be connected to the base body 2 in a particularly compact manner. Projections 3c or pins serve as male connecting sections 2f for tool-free and positively securing the absorber shield 3 to the base body 2.

[0055] In this embodiment, the electromagnetic component can be arranged in the holder 2a of the base body 2 both in a state in which the base body 2 and the absorber shield 3 are separated from each other and in a state in which the base body 2 and the absorber shield 3 are connected to each other.

[0056] The third embodiment is largely identical to the second embodiment and comprises largely identical features. Identical or substantially similar features are labeled with the same reference numerals, and a repetition of the description of these features is omitted. In the third embodiment of the invention according to the Fig.8 to 10, the mounting and shielding device 1, and in particular the base body 2, is designed for the front-side reception / mounting of the sensor device. In this embodiment, the electromagnetic component can only be arranged in the holder 2a of the base body 2 when the base body 2 and the absorber shield 3 are separated from each other. In the connected state, the absorber shield 2 and the base body 3 together form a partially closed housing around the holder 2a, so that the sensor device can neither be picked up nor removed from it.

[0057] The differences to the second embodiment are explained below.

[0058] In contrast to the second exemplary embodiment, the absorber shield 3 does not form a self-contained, circumferential frame for the electromagnetic component, but rather has an interruption on one side. Instead, the base body 2 comprises a rear wall 2g surrounding the frame, which additionally stiffens and stabilizes the mounting and shielding device 1 in the intended installation state and, above all, largely seals it off from the vehicle side. Cables for connecting the electromagnetic component are routed in the intended installation state in front of the rear wall 2g through the lateral interruption of the absorber shield 3. To insert or remove the sensor device K into or from the mounting and shielding device 1, the base body 2 and the absorber shield 3 must be separated from one another.

[0059] The following variants of the mounting and shielding device 1 have proven particularly advantageous in tests.

[0060] In a variant V1, the absorber shield 3 is an absorbing component made of foamed or at least partially cellular material, which is mounted separately next to or around the electromagnetic component K to be shielded (e.g. radar sensor).

[0061] In another variant V2, the absorber shield 3 is mounted, e.g., screwed or clipped, on a plate-shaped base body 2, which has a holder 2a for the electromagnetic component K and serves as a guide for the absorber shield 3. A connection between the base body 2 and the absorber shield 3 can be detachable. This allows the electromagnetic component K, e.g., a sensor, to be mounted in the holder of the base body 2 before or after the base body 2 is mounted on the vehicle F.

[0062] In yet another variant V3, the base body 2 and the absorber shield 3 form an inseparable unit and are integrally connected, for example, by welding or foaming. A permanent connection can be achieved by force-fitting and / or form-fitting, or by material bonding, e.g., by adhesion.

[0063] In yet another variant V4, the base body 1 and / or the absorber shield 3 has / have a textured surface (e.g. grain / structure) in order to improve the shielding effect by increasing the surface area.

[0064] Compared to the state of the art, the V1 variant achieves better absorption / damping values, which increase the functionality of the electrical components (e.g., sensors) and reduce weight.

[0065] The V2 variant offers the same advantages as the V1 and also better tolerances between the sensor and absorber, as well as better tolerances for its mounting.

[0066] Variant V3 offers the same advantages as variants V1 and V2, including the smallest tolerances between the base body 2 and the absorber shield 3 (possibly even no joining tolerances), which allows the electrical component to be directly inserted into or removed from the module. V3 also provides rattle protection against adjacent parts.

[0067] The V4 variant offers the same advantages as the V1, V2 and V3 variants, plus increased interference due to more interfaces. List of reference symbols 1 mounting and shielding device 2 basic bodies 2a Bracket 2b Holding section 2c Security section 2d stiffening rib 2nd positioning pin (vehicle side) 2f connecting section female 2g back wall 2h assembly opening 3 absorber screen 3a recording 3b Recess / pocket 3c male connecting section F Motor vehicle K Electromagnetic component QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] DE 10 2023 114 127 B3

[0003]

Claims

[1] Mounting and shielding device (1) for mounting and shielding an electromagnetic component (K) on a motor vehicle (F), comprising a base body (2) which can be fixed to the motor vehicle (F) and has a holder (2a) for the electromagnetic component (K) and an absorber shield (3) made of a material which is at least partially cellular or foamed, in order to shield an electromagnetic component (K) held in the holder (2) by absorbing electromagnetic radiation. [2] Mounting and shielding device (1) according to the preceding claim, characterized by that the base body (2) and the absorber screen (3) are detachably connected to one another or are non-detachably connected to one another, preferably force-fitting and / or form-fitting and / or materially bonded. [3] Mounting and shielding device (1) according to one of the preceding claims, characterized bythat the base body (2) and the absorber screen (3) are manufactured at different times from one another, wherein the base body (2) and the absorber screen (3) are preferably formed onto one another, wherein preferably the base body (2) is formed onto the absorber screen (3) or the absorber screen (3) is formed onto the base body (2). [4] Mounting and shielding device (1) according to one of the preceding claims, characterized by that the base body (2) and / or the absorber screen (3) is / are designed as a molded part, preferably as a plastic molded part. [5] Mounting and shielding device (1) according to one of the preceding claims, characterized by that the base body (2) and the absorber screen (3) are designed separately and can preferably be fixed separately to the motor vehicle (F). [6] Mounting and shielding device (1) according to one of the preceding claims, characterized bythat the base body (2), preferably the holder (2a), has a plate-shaped and / or annular base, which is preferably designed as a polygonal or rectangular flat frame. [7] Mounting and shielding device (1) according to one of the preceding claims, characterized by that the base body (2) is manufactured by injection molding or blow molding or extrusion or 3D printing, preferably in one piece. [8] Mounting and shielding device (1) according to one of the preceding claims, characterized by that the base body (2), preferably the holder (2a), has at least one holding section (2b) in order to positively engage the electromagnetic component at the edge, wherein the at least one holding section (2b) preferably forms a pocket into which the electromagnetic component (K) can be inserted. [9] Mounting and shielding device (1) according to one of the preceding claims, characterized by that the base body (2), preferably the holder (2a), has at least one securing section (2c) in order to secure the base body (2) to the vehicle (F). [10] Mounting and shielding device (1) according to one of the preceding claims, characterized by that the base body (2) is an integral part of a vehicle attachment. [11] Mounting and shielding device (1) according to one of the preceding claims, characterized by that the absorber screen (3) consists partially or completely of foamed plastic, preferably of the same plastic as the base body (2). [12] Mounting and shielding device (1) according to one of the preceding claims, characterized by that the base body (2) and / or the absorber screen (3) has / have a textured surface. [13] Mounting and shielding device (1) according to one of the preceding claims, characterized bythat the absorber screen (3), preferably the receptacle (3a), has at least one pocket (3e) for arranging at least one holding section (2b) of the base body (2). [14] Sensor arrangement, comprising a mounting and shielding device (1) according to one of the preceding claims and a sensor, in particular a radar sensor, arranged in the holder (2a) as an electromagnetic component (K). [15] Motor vehicle (F) with a sensor arrangement according to the preceding claim, wherein the base body (2) is mounted on a vehicle structure.

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