Patent Application
20220402441
The invention relates to a mounting arrangement for the fastening of a sensor element to a windshield of a motor vehicle and to the use of a mounting arrangement for the fastening of a sensor element to the windshield of a motor vehicle.
Mounting arrangements for the fastening of sensors to the surface of a windshield of a vehicle are known in the prior art. It is for example known for a rain sensor or a light sensor to be placed directly on the windshield. For this purpose, in the prior art, a mounting device is used which has a ring-shaped frame. This frame can then be adhesively bonded to the windshield, and the sensor can be inserted into this frame.
Document DE 10 2008 052 511 B3 discloses a holder for a rain sensor, light sensor, a camera, a mirror or the like, which is fixed by means of an adhesive to the surface of a window, preferably to a windshield of a vehicle.
DE 10 2014 119 437 A1 relates to an integrated interior mirror arrangement for a vehicle and may have a support, which is fixed to a front windshield of the vehicle, and an interior mirror, which is coupled to the support, wherein the support has an intermediate support, which is coupled to a rear surface of the interior mirror, and a base, which is attached to a upper end of the front windshield and on which a rain sensor is installed.
Document EP 1 491 404 A1 describes a fastening of components to the window pane of a motor vehicle with a fastening element which is connected by adhesive bonding to the window pane of the motor vehicle and which receives the component and which is composed of plastic.
It is an object of the invention to provide an improved mounting arrangement for the fastening of a sensor element, which mounting arrangement takes up less structural space than was previously the case.
The object is achieved according to the invention by a mounting arrangement for a motor vehicle and the use of the mounting arrangement for the fastening of the sensor element according to the independent claims. The dependent patent claims and the description relate to advantageous embodiments of the invention.
A mounting arrangement according to the invention for the fastening of a sensor element to a windshield of a motor vehicle comprises a main support which has a receptacle for the sensor element, wherein the sensor element is of circular-segment-shaped configuration in cross section, and the receptacle of the main support has a clear receiving opening which is likewise circular-segment-shaped and which is adapted in terms of its dimensions to the sensor element.
The main support may be fastened to the windshield by adhesive bonding. Owing to the circular-segment-shaped design, the structural space taken up by the sensor element is reduced. This makes possible a compact interior mirror fastening, which can be positioned higher up on the windshield. The view of other traffic participants, such as pedestrians and cyclists, is thus impaired to a lesser extent, whereby the risk of accidents can be considerably reduced.
In one advantageous embodiment, provision is made for the receptacle of the main support to be formed by an upper frame element and a lower frame element. The formation of the two frame elements makes it possible for the sensor element to be introduced more easily, which sensor element does not need to be introduced into the receptacle before the main support is attached to the windshield, but may also be pushed into the circular-segment-shaped receptacle after the main support has been fastened to the windshield. This structural form therefore allows simplified installation and also easy exchange of the sensor element.
According to one advantageous embodiment, the lower frame element has an installation edge for the introduction of the sensor element. The installation edge may be rounded. The installation edge may also be provided with a deformable coating. Deformable coatings may be polymers, preferably rubber, foams or silicones.
The installation edge makes it easier for the sensor element to be pushed into the receptacle. Damage to the surface of the sensor element resulting from mechanical load, for example in the event of contact with the main support, can be reliably prevented by way of the installation edge. Coatings of the sensor element which are not resistant to mechanical load, such as for example gel pads, can thus be introduced in a reliable manner.
According to a further advantageous embodiment, a lens shade is attached to the mounting arrangement. The lens shade prevents laterally incident light being reflected on glass or other enclosure parts and thus striking the sensor. An impairment of the sensor is thus prevented.
In one advantageous embodiment, the lens shade is fastened to the mounting arrangement by means of a mounting frame or by means of a soft lip. The fastening of the lens shade by means of a mounting frame exhibits increased stability. The fastening of the lens shade by means of a soft lip requires less structural space and thus leads to a further space saving.
In another advantageous embodiment, a gel pad is applied to the sensor element. The gel pad prevents mechanical damage to the sensor element resulting from mechanical load, such as for example vibration in direct contact with the windshield.
In a further advantageous embodiment, the sensor element comprises a unit for temperature measurement. The temperature measurement is performed at the windshield.
In another advantageous embodiment, the plug-in element is attached at a cranked angle with respect to the windshield. Owing to the angled positioning, the interior mirror fastening and the cable lines of the sensor element can be more easily attached and also removed.
According to one advantageous embodiment, the sensor element is a rain-light-solar-fogging sensor.
According to a further advantageous embodiment, the mounting arrangement is enclosed by a paneling that can be arranged on the interior mirror.
The invention likewise relates to the use of a mounting arrangement as described here for the fastening of a sensor element to the windshield of a motor vehicle. Through the use of the mounting arrangement as described here, the sensor element can be attached to the windshield more easily and more efficiently than was previously the case. The advantages of the use otherwise arise from the advantages of the mounting arrangement as described here.
Further features of the invention will emerge from the claims, from the FIGURE and from the description of the FIGURE. The features and feature combinations mentioned above in the description, and the features and feature combinations mentioned below in the description of the FIGURE and/or shown only in the FIGURE, may be used not only in the respectively specified combination but also in other combinations or individually.
The invention will now be discussed in more detail on the basis of a preferred exemplary embodiment and with reference to the FIGURE.
1.
The FIGURE shows a mounting arrangement according to an embodiment of the invention in a schematic plan view.
The FIGURE schematically shows, in plan view, the mounting arrangement 10 for the fastening of a sensor element 12 to a windshield 26 of a motor vehicle, having a main support 14 which has a receptacle 16 for the sensor element 12. The sensor element 12 has a cross section in the shape of a segment of a circle, and the receptacle 16 of the main support 14 has a clear receiving opening which is likewise circular-segment-shaped and which is adapted in terms of its dimensions to the sensor element 12.
The main support 14 is fastened to the windshield 26 by way of adhesive bonding. Owing to its circular-segment-shaped design, the structural space taken up by the sensor element 12 is reduced. This makes possible a compact interior mirror fastening, which can be positioned higher up on the windshield 26 by the distance A.
The receptacle 16 of the main support 14 is formed by an upper frame element 14a and a lower frame element 14b.
The formation of the two frame elements 14a and 14b makes it possible for the sensor element 12 to be introduced more easily, which sensor element does not need to be introduced into the circular-segment-shaped receptacle 16 before the main support 14 is attached to the windshield 26, but may also be pushed into the circular-segment-shaped receptacle 16 after the main support 14 has been fastened to the windshield 26. This structural form therefore allows simplified installation and also easy exchange of the sensor element 12.
The lower frame element 14b has an installation edge 22 for the introduction of the sensor element 12. The installation edge 22 makes it easier for the sensor element 12 to be pushed into the receptacle 16. Damage to the surface of the sensor element 12 resulting from mechanical load, for example in the event of contact with the main support 14, can be reliably prevented by way of the installation edge 22. Coatings of the sensor element 12, such as for example a gel pad, which are not resistant to mechanical load can thus be introduced more easily.
The installation edge 22 may be rounded. The installation edge 22 may also be provided with a deformable coating. Deformable coatings may be polymers, preferably rubber, foams or silicones.
A lens shade is attached to the mounting arrangement 10. The lens shade prevents laterally incident light being reflected on glass or enclosure parts and thus striking the sensor element 12. An impairment of the sensor element 12 is thus prevented.
The lens shade is fastened to the mounting arrangement 10 by means of a mounting frame 24. The fastening of the lens shade by means of a mounting frame exhibits increased stability.
The lens shade may alternatively be fastened by means of a soft lip. The fastening of the lens shade by means of a soft lip requires less structural space and thus leads to a further space saving. The space saving additionally corresponds to the width B of the mounting frame 24, which is not required.
A gel pad is applied to the sensor element 12. The gel pad prevents mechanical damage to the sensor element 12, in particular to the sensor receptacle, resulting from mechanical load, such as for example vibration in the case of direct contact with the windshield 26.
The sensor element 12 has a unit 18 for temperature measurement. The temperature measurement is performed at the windshield 26.
In another advantageous embodiment, the plug-in element 20 is attached at a cranked angle with respect to the windshield 26. Owing to the angled attachment, the interior mirror fastening and the cable lines for the transmission of sensor information can be more easily attached and also removed.
According to one advantageous embodiment, the sensor element 12 is a rain-light-solar-fogging sensor. The mounting arrangement 10 is enclosed by a paneling 28 that is arranged on the interior mirror.
A further embodiment is the use of the mounting arrangement 10 for the fastening of the sensor element 12 to the windshield 26 of a motor vehicle. Through the use of the mounting arrangement 10, the sensor element 12 can be attached to the windshield 26 more easily and more efficiently than was previously the case. The advantages of the use otherwise arise from the advantages of the mounting arrangement 10.
| Number | Date | Country | Kind |
|---|---|---|---|
| 10 2019 131 789.4 | Nov 2019 | DE | national |
| Filing Document | Filing Date | Country | Kind |
|---|---|---|---|
| PCT/EP2020/079855 | 10/23/2020 | WO |
