Windshield wiper device and windshield wiper having the same

By designing an electronic connection unit that can move around the support axis in the window wiper device, the reliability and installation difficulty of the electrical connection between the wiper blade adapter and the wiper arm adapter are solved, and high efficiency is achieved and convenient electrical connection.

CN114206689BActive Publication Date: 2025-02-18ROBERT BOSCH GMBH
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Patent Information

Application Number
CN202080057414.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Priority Date
2019-08-15
Filing Date
2020-05-29
Publication Date
2025-02-18
Estimated Expiration
2040-05-29

AI Technical Summary

Technical Problem

The existing window wiper device has problems with reliability and installation difficulty in the electrical connection between the wiper blade adapter and the wiper arm adapter.

Method used

A window wiper device is designed, including at least one wiper blade adapter, at least one wiper arm adapter and at least one electronic connection unit. The electronic connection unit connects the electronic connection elements to the wiper arm adapter through the support elements, allowing these elements to remain electrically connected as the wiper adapter moves around the support axis.

Benefits of technology

Reliable electrical connection between the wiper blade adapter and the wiper arm adapter is achieved, simplifying the installation process and improving operational comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to a windshield wiper device, comprising at least one wiper blade adapter (32a; 32b), at least one wiper arm adapter (30a; 30b) and at least one electronic connection unit (38a; 38b), which is used to electrically connect at least one circuit element (34a; 34b) of the wiper arm adapter (30a; 30b) to at least one electronic connection element (40a; 40b) of the wiper blade adapter (32a; 32b), wherein the wiper blade adapter (32a; 32b) is supported on the wiper arm adapter (30a; 30b) in a movable, in particular pivotable manner, via at least one supporting element (36a; 36b), in particular a supporting bolt, of the wiper arm adapter (30a; 30b). It is proposed here that the electronic connection unit (38a; 38b) comprises at least one electronic connection element (42a; 42b), which is arranged on the wiper arm adapter (30a; 30b) and is supported by the supporting element (36a; 36b) in a movable manner at least relative to the wiper arm adapter (30a; 30b), in particular in a rotatable or pivotable manner.
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Description

Technical Field

[0001] The invention relates to a windshield wiper device and a windshield wiper having a windshield wiper device. Background Art

[0002] A windshield wiper device is proposed, comprising at least one wiper blade adapter, at least one wiper arm adapter and at least one electronic connection unit for electrically connecting at least one circuit element of the wiper arm adapter to at least one electronic connection element of the wiper blade adapter, wherein the wiper blade adapter is movably supported on the wiper arm adapter via at least one supporting element of the wiper arm adapter. Summary of the invention

[0003] The invention relates to a windshield wiper device, comprising at least one wiper blade adapter, at least one wiper arm adapter and at least one electronic connection unit for electrically connecting at least one circuit element of the wiper arm adapter to at least one electronic connection element of the wiper blade adapter, wherein the wiper blade adapter is supported on the wiper arm adapter in a movable, in particular pivotable manner, via at least one supporting element of the wiper arm adapter, in particular a supporting bolt.

[0004] It is proposed that the electronic connection unit comprises at least one electronic connection element, which is arranged on the wiper arm adapter and is supported by a support element in a movable, in particular rotatable or swiveling manner at least relative to the wiper arm adapter. Preferably, the electronic connection element is configured as part of an electronic plug connection of a windshield wiper device. In particular, the electronic connection element of the wiper blade adapter is configured as part of an electronic plug connection. For example, the electronic connection element and / or the electronic connection element are configured as a plug, a coil and / or an electrical contact. In particular, in the embodiment of the electronic connection element and the electronic connection element as a coil, it is conceivable that the electrical connection is carried out inductively through the electronic connection unit. Preferably, the electronic connection element and the electronic connection element are configured correspondingly to each other. In particular, the electronic connection element is configured as a female connection element of an electronic plug connection, and the electronic connection element is configured as a male connection element of an electronic plug connection. Preferably, the electronic connection element has at least one connection pin in at least one region. Preferably, the electronic connection element has at least one connection socket in at least one region. However, it is also conceivable that the electronic connection element has at least one connection pin and / or is designed as a male connection element of an electronic plug connection, and that the electronic connection element has at least one connection socket and / or is designed as a female connection element of an electronic plug connection. As an alternative or in addition, it is conceivable that the electronic connection element and / or the electronic connection element at least partially have a design known to those skilled in the art, in particular in at least one contact region of the electronic connection element and / or the electronic connection element. In particular, the electronic plug connection and / or the electronic connection unit is provided for connecting at least one electrical unit of the windshield wiper, in particular a heating unit, which is arranged at least partially in the wiper blade, to an energy storage unit of the windshield wiper, in particular a battery, preferably via a circuit element of a wiper arm adapter. Preferably, the electronic plug connection is provided in the coupled state of the electronic connection element and the electronic connection element for connecting at least one electrical unit of the windshield wiper, in particular a heating unit, which is arranged at least partially in the wiper blade, to an energy storage unit of the windshield wiper, in particular a battery, preferably via a circuit element of a wiper arm adapter. Preferably, the electronic connection element is at least electrically connected to the electrical unit. Preferably, the electronic connection element and / or the electronic connection element are configured as a 2-pole structure. Preferably, the line element is at least electrically connected to the electronic connection element, in particular the connection socket. Preferably, the electronic connection element and the electronic connection element are at least electrically connected to each other in at least one connected state of the electronic connection unit. Preferably, the electronic connection element and the electronic connection element are at least electrically separated and / or spaced apart from each other in at least one unconnected state of the electronic connection unit.Preferably, the electronic connection element and / or the electronic coupling element are at least partially, in particular at least mostly, made of plastic, in particular hard plastic, in particular in the region of the electronic connection element and / or the electronic coupling element separated from the electrical contacts. Preferably, the electronic connection element and the electronic coupling element are fixed to each other at least, in particular at least mostly, by force fit in at least one connected state of the electronic connection unit. Preferably, the electronic connection element and / or the electronic coupling element are at least partially configured as a plug flange in at least one region, which in the connected state of the electronic connection unit rests on the electronic coupling element and / or the electronic connection element in a form-fitting manner. In particular, the plug flange is configured to be at least partially pushed onto the electronic connection element and / or the electronic coupling element or pushed into a connection gap defined by the electronic connection element and / or the electronic coupling element when the electronic connection element is connected to the electronic coupling element. However, it is also conceivable that the electronic connection unit includes at least one safety element, which is configured to fix the electronic connection element to the electronic coupling element by a form-fitting and / or force-fitting connection in at least one connected state of the electronic connection unit. In particular, the securing element is arranged on the electronic connection element or the electronic coupling element, in particular is formed integrally with the electronic connection element or the electronic coupling element. In particular, "integrally" should be understood to mean a material connection, for example by a welding process and / or an adhesive bonding process, and particularly advantageously, for example, by means of a casting and / or by a single-component or multi-component injection molding process. It is conceivable that the securing element is designed, for example, at least partially as a latching element, as part of a threaded connection or a plug connection, as part of a bayonet connection, as a securing bolt, etc.

[0005] Preferably, the bearing element has at least one bearing axis, about which the wiper blade adapter is supported on the wiper arm adapter. Preferably, the electronic connection element is supported by the bearing element in a manner that can rotate or swing around the bearing axis. It is also conceivable that the electronic connection element is supported in a manner that can move along the bearing axis, especially in at least one unconnected state of the electronic connection unit. It is particularly preferred that the bearing axis and / or the bearing element are oriented at least substantially perpendicular to the main extension axis of the wiper arm adapter. "Substantially perpendicular" should particularly refer to the orientation of a straight line or a plane, in particular the bearing axis and / or the main extension axis of the bearing element, relative to another straight line or another plane, in particular the main extension axis of the wiper arm adapter, wherein the straight line or plane and the other straight line or the other plane, in particular when viewed in the projection plane, enclose an angle of 90° and the angle has a maximum deviation that is in particular less than 8°, advantageously less than 5° and in particular advantageously less than 2°. In this context, a "main extension axis" of a component, in particular a wiper arm adapter and / or a support element is to be understood to mean in particular an axis which extends parallel to the longest edge of a smallest geometric cuboid which just completely surrounds the component. In particular, the support element is fastened to the base body of the wiper arm adapter in a particularly rotationally fixed manner. Preferably, the electronic connection element is supported by the support element in a movable, in particular rotatable or pivotable manner relative to the base body of the wiper arm adapter. Preferably, the support element is arranged in such a way that the support axis is oriented at least substantially perpendicularly to the main extension axis of the wiper blade adapter, in particular in at least one state of the wiper blade adapter mounted on the wiper arm adapter.

[0006] Preferably, the wiper arm adapter comprises at least one retaining element for retaining the wiper blade adapter on the wiper arm adapter, in particular on the bearing element. In particular, the retaining element is provided for retaining the wiper blade adapter along a bearing axis in at least one position relative to the wiper arm adapter. Preferably, the retaining element is provided for limiting the movement of the wiper blade adapter around the bearing element at least partially, in particular along at least one direction about the bearing axis. In particular, the retaining element is fixed to a base body of the wiper arm adapter, in particular is formed integrally with the base body of the wiper arm adapter. Preferably, the electronic connection element is supported independently of the retaining element in a movable, in particular rotatable or swivellable manner relative to the wiper arm adapter, in particular in at least one unconnected state of the electronic connection unit, along or around the bearing element. In particular, the electronic connection element is arranged spaced apart from the bearing element. However, it is also conceivable that the electronic connection element is arranged on the bearing element in a movable, in particular rotatable or swivellable manner. Preferably, the electronics connection element is coupled to a movement of the wiper blade adapter about the bearing axis via the electronics connection element in at least one connected state of the electronics connection unit. In particular, the electronics connection element is fixed to the base body of the wiper blade adapter in a rotationally fixed manner.

[0007] By means of the design of the windshield wiper device according to the invention, an advantageously reliable electrical connection of the wiper blade adapter to the wiper arm adapter can be achieved, in particular because the electronic connection element can move together with the wiper blade adapter when the wiper blade adapter, in particular the electronic connection element, moves about the bearing axis. Advantageously, the electronic connection unit, in particular the electronic connection element, can be prevented from accidentally and / or unintentionally loosening from the electronic connection element when the wiper blade adapter moves about the bearing axis. This allows an advantageously simple and rapid mounting of the electronic connection unit, in particular because the number of possible degrees of freedom of movement of the electronic connection element relative to the bearing element can be advantageously reduced to two. In particular, an advantageously high level of operating comfort can be achieved when mounting or dismounting the wiper blade adapter.

[0008] It is further proposed that the electronic connection unit comprises at least one coupling element, which is in particular arranged directly on the support element and the electronic connection element and defines at least one bearing recess, wherein at least the electronic connection element and the coupling element are supported on the support element via the bearing recess in a manner that is movable, in particular rotatable or swivellable relative to the wiper arm adapter. In particular, the coupling element is formed integrally with the electronic connection element. Preferably, the coupling element is formed at least partially, in particular at least for the most part, from plastic, in particular hard plastic. Preferably, the coupling element has at least one bearing surface that defines a bearing recess. Preferably, the coupling element has at least one further bearing surface that is arranged spaced apart from the bearing surface, the further bearing surface defining at least one further bearing recess. In particular, at least the electronic connection element and the coupling element are supported on the support element via the bearing recess and / or the further bearing recess in a manner that is movable, in particular rotatable or swivellable relative to the wiper arm adapter. Preferably, the coupling element rests on the support element via the bearing surface and / or the further bearing surface. It is particularly preferred that the bearing surface and / or the further bearing surface at least for the most part, in particular all over, abuts against the bearing element. In particular, the coupling element is designed so that the bearing surface and / or the further bearing surface at least for the most part, in particular around the bearing axis, surrounds the bearing element. Preferably, the coupling element is provided for holding the electronic connection element at least on the bearing element by means of the bearing surface and / or the further bearing surface by form fit. In particular, the coupling element is designed so that the bearing surface and / or the further bearing surface are arranged around the bearing axis at a uniform spacing at least in the connected state of the electronic connection unit. Preferably, the bearing surface and / or the further bearing surface are designed at least substantially parallel to the bearing axis. A surface, in particular the bearing surface and / or the further bearing surface is oriented "substantially parallel to" an axis or a plane, in particular the bearing axis, which should in particular mean that the surface has a minimum spacing relative to the axis or plane at each point of the surface, which minimum spacing deviates from the average value of the minimum spacing of all points by less than 5%, preferably less than 3% and particularly preferably less than 1% for all points. The coupling element is preferably designed such that the bearing recess and / or the further bearing recess has a central axis, in particular the bearing surfaces and / or the further bearing surfaces are arranged at uniform spacings around the central axis. The coupling element is preferably designed such that the central axis runs within the bearing axis when at least one of the electronic connection units, in particular the coupling elements, is fixed to the bearing element. Preferably, at least a large portion of the surface normals of the bearing surfaces and / or the further bearing surfaces runs through the bearing axis when at least one of the electronic connection units, in particular the coupling elements, is fixed to the bearing element.An advantageously secure support of the electronic connection element can be achieved, wherein in particular a small amount of play of the electronic connection element with respect to a movement in a radial direction relative to a support element, in particular a support axis, can be advantageously achieved by the coupling element. An advantageously simple and rapid mounting of the electronic connection unit can be achieved, in particular because the number of possible degrees of freedom of movement of the electronic connection element relative to the support element can advantageously be reduced to two.

[0009] It is further proposed that the wiper arm adapter at least partially surrounds the coupling element at least in a region of the coupling element in which the coupling element defines a bearing recess and is arranged on the bearing element. In particular, the coupling element is at least partially surrounded by a base body of the wiper arm adapter in a region of the coupling element in which the bearing surface defines a bearing recess. Preferably, the wiper arm adapter, in particular the base body of the wiper arm adapter, at least partially has a semi-open, for example U-shaped or V-shaped or closed basic shape in a section of the wiper arm adapter extending at least substantially perpendicularly to a main extension axis of the wiper arm adapter. In particular, the coupling element is at least partially, in particular at least predominantly, surrounded by a basic shape of the wiper arm adapter, in particular the base body of the wiper arm adapter, in particular in the region of the coupling element in at least one section of the wiper arm adapter in which the coupling element defines a bearing recess and is arranged on the bearing element. Preferably, the coupling element is arranged outside the wiper arm adapter, in particular the base body of the wiper arm adapter, in the region in which the coupling element defines a further bearing recess, in particular by means of a further bearing surface, and is arranged on the bearing element. Preferably, the coupling element is arranged between the wiper blade adapter and the wiper arm adapter, in particular the base body of the wiper arm adapter, in the region in which the coupling element defines a further bearing recess, in particular by means of a further bearing surface, and is arranged on the bearing element, as viewed along the bearing axis. A movement of the electronic connection element along the bearing element, in particular the bearing axis, can advantageously be limited. In particular, incorrect mounting or removal of the wiper blade adapter on the wiper arm adapter can advantageously be prevented.

[0010] It is further proposed that the electronic connection unit has at least one stop element, which is arranged on the electronic connection element and in at least one connected state of the electronic connection unit, in particular directly abuts against the wiper arm adapter, wherein the stop element is provided to prevent the electronic connection element from moving relative to the wiper arm adapter along at least one direction oriented along a bearing axis of the bearing element, in particular the aforementioned bearing axis. Preferably, the stop element is fixed to the coupling element and / or the electronic connection element, in particular is formed integrally with the coupling element and / or the electronic connection element. Preferably, the stop element has at least one stop surface, which abuts against the wiper arm adapter, in particular the base body of the wiper arm adapter, in the connected state of the electronic connection unit. Preferably, the stop surface is provided to support at least the stop element and the electronic connection element on the wiper arm adapter to prevent movement along at least one direction along the bearing axis. In particular, the stop surface is configured as a curved or flat surface. Preferably, the stop surface at least for the most part, in particular over the entire surface, abuts against the wiper arm adapter, in particular the base body of the wiper arm adapter. Preferably, the stop surface is at least partially, in particular at least for the most part, at least substantially perpendicular to the bearing axis. In particular, the stop surface is at least partially, in particular at least for the most part, at least substantially perpendicular to the bearing surface and / or the further bearing surface. Preferably, the stop surface is at least partially, in particular at least for the most part, at least substantially parallel to the main extension axis of the wiper arm adapter and / or the wiper blade adapter. It is conceivable that the stop surface is arranged on the side of the stop element facing away from the wiper blade adapter. In particular, the stop element, in particular the stop surface, is at least partially arranged between the wiper blade adapter and the wiper arm adapter, in particular the base body of the wiper arm adapter in the connected state of the electronic connection unit. Preferably, the stop surface at least partially defines the further bearing surface of the coupling element. It is particularly preferred that the stop element is supported together with the electronic connection element via a support element, in particular via a coupling element, in particular in a movable, in particular pivotable or rotatable manner, in particular about a support axis. The stop element is preferably provided for holding the electronic connection element in a position relative to the electronic connection element, in particular in a position on the electronic connection element, in particular by the interaction of the stop element, in particular the stop surface, with the wiper arm adapter, in particular the base body of the wiper arm adapter, in particular when the wiper blade adapter is mounted on the wiper arm adapter. Undesired and / or unintentional loosening of the electronic connection unit can advantageously be prevented, in particular because the electronic connection element can be held on the electronic connection element by the stop element in the connected state of the electronic connection unit. The fixing of the electronic connection unit in the mounted state of the wiper blade adapter can advantageously be achieved.

[0011] It is further proposed that the electronic connection unit has at least one connection axis, along which the electronic connection element and the electronic coupling element can be connected to one another and / or separated from one another, wherein the electronic connection element is arranged in particular in at least one connected state of the electronic connection unit in such a way that the connection axis is oriented at least substantially parallel to a bearing axis of a bearing element, in particular the aforementioned bearing axis. "Substantially parallel" should in particular refer to the orientation of a straight line or a plane, in particular the connection unit, relative to another straight line or another plane, in particular the bearing axis, wherein the straight line or the plane has a deviation, in particular less than 8°, advantageously less than 5° and particularly advantageously less than 2° relative to another straight line or another plane, in particular in a projection plane. In particular, the connection axis runs, in particular centrally, through the electronic connection element. Preferably, the connection axis is oriented at least substantially perpendicularly to a main extension axis of the wiper arm adapter and / or perpendicularly to a main extension axis of the wiper blade adapter. In particular, the connection axis is oriented at least substantially parallel to a bearing surface and / or a further bearing surface. Preferably, the connection axis is oriented at least substantially perpendicularly to a stop surface. Preferably, the electronic connection element is designed and / or arranged in such a way that the connection axis and / or the electronic connection element is arranged within the maximum depth extension of the wiper arm adapter as viewed along the support axis. In particular, the maximum depth extension of the wiper arm adapter is oriented at least substantially perpendicular to the main extension axis of the wiper arm adapter. Preferably, the maximum depth extension of the wiper arm adapter is oriented at least substantially perpendicular to a plane of the wiper arm adapter that extends at least substantially parallel to the main extension axis of the wiper arm adapter and parallel to the support axis. Preferably, the electronic connection element is designed and / or arranged in such a way that the connection axis and / or the electronic connection element are arranged between two planes that extend through two largest side faces of a smallest imaginary cuboid that extends parallel to one another and that just completely surrounds the wiper arm adapter. An undesired and / or unintentional loosening of the electronic connection unit during installation or removal of the wiper blade adapter can advantageously be prevented, in particular because the electronic connection element and / or the electronic coupling element can be designed independently of the load of forces along the connection axis during a movement of the wiper blade adapter about the bearing axis. An advantageously compact windshield wiper device can be realized along an axis which is oriented at least substantially perpendicularly to the bearing axis and perpendicularly to the main extension axis of the wiper arm adapter.

[0012] It is further proposed that the electronics connection unit, in particular the electronics connection element, has a maximum distance of at most 3 cm, preferably at most 2 cm and particularly preferably at most 1 cm along an axis of the wiper arm adapter, which is oriented at least substantially perpendicular to a main extension axis, in particular the aforementioned main extension axis, and perpendicular to a bearing axis of a bearing element, in particular the aforementioned bearing axis, relative to a plane of the wiper arm adapter, which includes the bearing axis and is oriented at least substantially parallel to the main extension axis of the wiper arm adapter. In particular, the base body of the wiper arm adapter has at least one top surface, which is arranged on the following side surface of the base body of the wiper arm adapter, which side surface is oriented at least substantially perpendicular to the connection axis and / or the bearing axis and at least substantially perpendicular to the main extension axis of the wiper arm adapter. Preferably, the top surface is oriented at least substantially parallel to the connection axis, the bearing axis and / or the main extension axis of the wiper arm adapter. Particularly preferably, the electronic connection unit, in particular the electronic connection element, is arranged at least for the most part, in particular at least substantially completely, viewed along the top surface on the side of the top surface facing the wiper blade adapter when at least one of the wiper blade adapters is mounted on the wiper arm adapter. The component, in particular the electronic connection unit and / or the electronic connection element, “substantially completely” has a property or is arranged in a region, in particular on the side of the top surface facing the wiper blade adapter, which should in particular mean that at least 95%, preferably at least 98% and particularly preferably at least 99% of the mass, volume and / or area of ​​the component, in particular viewed in a projection plane, has the property or is arranged in the region. An advantageously compact windshield wiper device can be achieved, in particular because the electronic connection unit can be arranged at least for the most part, in particular along an axis oriented at least substantially perpendicular to the bearing axis and perpendicular to the main extension axis of the wiper arm adapter, in a region around the bearing axis. Advantageously, structural space can be saved in the visible range of occupants or residents of a vehicle and / or building comprising the windshield wiper device.

[0013] It is further proposed that the electronic connection unit comprises at least one receiving element for at least partially receiving the circuit element, wherein the receiving element is arranged on the wiper arm adapter in a movable, in particular pivotable or rotatable manner at least via the electronic connection element in at least one connected state of the electronic connection unit. In particular, the receiving element is fixed to the electronic connection element and / or the coupling element, in particular, it is formed integrally with the electronic connection element and / or the coupling element. Preferably, the receiving element defines at least one receiving gap, wherein the circuit element is at least partially arranged within the receiving gap. For example, the circuit element is configured as a cable or a wire. Preferably, the receiving gap extends along a guide section of the receiving element. Preferably, the receiving element is configured so that the receiving gap extends along the guide section of the receiving element all the way to the electronic connection element. Preferably, the receiving element at least partially, in particular at least for the most part, surrounds the receiving gap when viewed in at least one plane of the receiving element oriented at least substantially perpendicular to the guide section. It is conceivable that the receiving element at least substantially completely surrounds the receiving gap when viewed in at least one plane of the receiving element oriented at least substantially perpendicular to the guide section. Preferably, the receiving element is at least partially channel-shaped and / or tubular, wherein the line element is guided within the receiving recess. Preferably, the receiving element is designed in such a way that the guide section is at least partially curved. Preferably, the receiving element is designed in such a way that the guide section, in particular in at least one state of the wiper blade adapter mounted on the wiper arm adapter, extends within a plane oriented at least substantially parallel to the main extension axis of the wiper arm adapter, parallel to the connecting axis and / or parallel to the bearing axis. Preferably, the receiving element is designed in such a way that the guide section, in particular in at least one state of the wiper blade adapter mounted on the wiper arm adapter, is arranged in at least one region at least substantially parallel to the main extension axis of the wiper arm adapter. In particular, the receiving element is designed in such a way that the guide section is arranged in at least one other region, in particular adjacent to the electronic connecting element, at least substantially parallel to the connecting axis of the wiper arm adapter and / or at least substantially perpendicular to the main extension axis of the wiper arm adapter. It is conceivable that the electronic connection unit comprises at least one fixing element, which is arranged on the receiving element, in particular, is formed integrally with the receiving element. In particular, the fixing element is provided for at least partially fixing the circuit element relative to the receiving element. For example, the fixing element is constructed as a hook, a clip, a ferrule, a molded component in particular for narrowing the receiving gap, etc. Preferably, the fixing element is arranged at or in the receiving gap. Preferably, the fixing element is at least partially arranged in the end region of the receiving gap on the wiper arm adapter side or in the end region on the electronic connection element side. It is particularly preferred that the fixing element is at least partially arranged in the end region of the guide section opposite the electronic connection element.Advantageously, a vibration-proof fixing of the circuit element can be achieved. Advantageously, an advantageously secure connection of the circuit element to the electronic connection element can be achieved, in particular because a movement of the circuit element relative to the electronic connection element can be prevented by the receiving element, in particular in the region arranged on the electronic connection element. Advantageously, a twisting or tilting of the circuit element can be prevented when the electronic connection element moves relative to the support element.

[0014] It is further proposed that the electronic connection element and the electronic coupling element are connected to each other in a rotationally fixed manner with respect to a movement of the wiper blade adapter relative to the wiper arm adapter in at least one connected state of the electronic connection unit, wherein the electronic connection unit together with the wiper blade adapter can be rotated or swiveled around the support element. Preferably, the electronic connection element and the electronic coupling element are connected to each other in a rotationally fixed manner in the connected state of the electronic connection unit by a form-fitting and / or force-fitting connection. In particular, the electronic connection element and / or the electronic coupling element, in particular in the region of the electrical contacts, have a cross section that differs from a point-symmetrical cross section at least substantially perpendicular to the connection axis. For example, the electronic connection element and / or the electronic coupling element, in particular in the region of the electrical contacts, have an elliptical, lens-shaped or rectangular cross section at least substantially perpendicular to the connection axis. Advantageously, the electronic connection unit, in particular the electronic connection element, can be prevented from being undesirably loosened from the electronic coupling element when the wiper blade adapter moves relative to the wiper arm adapter around the support axis.

[0015] It is further proposed that the electronic connection unit comprises at least one sealing element, which is arranged to seal the electronic connection element and / or at least one electrical contact of the electronic connection element in an airtight and / or watertight manner in at least one connected state of the electronic connection unit. Preferably, the sealing element is arranged on the electronic connection element. However, it is also conceivable that the sealing element is arranged on the electronic connection element. For example, the sealing element is constructed as a sealing rubber that is particularly at least partially annular, as a sealing material that is particularly silicone-containing, as a sealing tape, etc. Preferably, the sealing element is arranged at least partially, particularly at least for the most part, between the electronic connection element and the electronic connection element in the connected state. Preferably, the sealing element is arranged to seal the electronic connection element and / or at least one electrical contact of the electronic connection element in an airtight and / or watertight manner through a particularly form-fitting interaction between the electronic connection element and the electronic connection element. Preferably, the sealing element is arranged around the connection axis. In particular, the sealing element at least substantially completely surrounds the connection axis in at least one cross-sectional plane of the electronic connection element. The electrical connection between the wiper blade adapter and the wiper arm adapter can advantageously be highly protected from liquids, in particular water and / or dirt. A short circuit between the electrical contacts can advantageously be prevented. An advantageously safe electrical connection can be achieved.

[0016] It is further proposed that the electronic connection unit comprises at least one form-fitting element, which bears against at least one bearing surface of the wiper blade adapter, which is oriented at least substantially parallel to a connection axis of the electronic connection unit, in particular the aforementioned connection axis, and a main extension axis of the wiper blade adapter, in particular the aforementioned main extension axis, and is provided for limiting a movement of the electronic connection element about at least one bearing axis of a bearing element, in particular the aforementioned bearing axis, when the electronic connection unit is connected to the electronic coupling element. Preferably, the form-fitting element is fixed to the electronic connection element and / or the coupling element, in particular is formed integrally with the electronic connection element and / or the coupling element. Preferably, the form-fitting element comprises at least one bearing surface, wherein the bearing surface in at least one connected state of the electronic connection unit, in particular at least for the most part and / or over the entire surface, bears against the bearing surface. For example, the bearing surface and / or the bearing surface are designed as curved or flat surfaces. In particular, the bearing surface extends over a range of, in particular, at least 50%, preferably at least 60% and particularly preferably at least 70% of the maximum lateral extension of the wiper blade adapter. Preferably, the maximum transverse extension of the wiper blade adapter is oriented at least substantially perpendicular to the main extension axis of the wiper blade adapter. Preferably, the maximum transverse extension of the wiper blade adapter is oriented at least substantially parallel to the connection axis and / or the bearing axis. In particular, the form-fitting element extends in a range of, in particular, at least 50%, preferably at least 60% and particularly preferably at least 70% of the maximum transverse extension of the wiper blade adapter, in particular in the connected state of the electronic connection unit. Preferably, the form-fitting element extends at least for the most part at least substantially parallel to the connection axis and / or the bearing axis. Preferably, the form-fitting element is arranged on the side of the bearing axis facing the connection axis when viewed in a projection plane spanned by the connection axis and the bearing axis. Preferably, the form-fitting element is arranged between the bearing axis and the connection axis or on the side of the connection axis facing away from the bearing axis when viewed in a projection plane spanned by the connection axis and the bearing axis. For example, the form-fitting element is designed as a retaining pin, a bolt, a pin or the like. Preferably, the form-fitting element is provided for centering the electronic connection element on the connection axis when the electronic connection unit is connected, in particular for connecting the electronic connection element to the electronic connection element. Preferably, the abutment surface and the support surface have at least one common contact axis, along which the abutment surface and the support surface abut against each other in the connected state of the electronic connection unit. Preferably, the electronic connection element and the electronic connection element each have at least one central axis, which is oriented at least substantially parallel to the connection axis.Particularly preferably, the form-fit element is arranged and / or designed in such a way that a minimum distance between the contact axis and the center axis of the electronic connection element in a circumferential direction about the bearing axis corresponds at least substantially to a minimum distance between the contact axis and the center axis of the electronic connection element in a circumferential direction about the bearing axis. In particular, when the wiper blade adapter is mounted on a wiper arm adapter, an advantageously simple and rapid connection of the electronic connection unit can be achieved, in particular because the stop element can be used to predetermine a position about the bearing axis for connecting the electronic connection element to the electronic connection element. When the windshield wiper device is mounted, the electronic connection element can advantageously be centered relative to the electronic connection element.

[0017] Furthermore, a windshield wiper having at least one windshield wiper device according to the invention is proposed. Preferably, the windshield wiper has at least one wiper arm, which comprises the wiper arm adapter. Preferably, the windshield wiper has the wiper blade. Preferably, the wiper blade can be fastened to the wiper arm via the wiper blade adapter and the wiper arm adapter and is supported in at least one operating state in a rotatable manner relative to the wiper arm, in particular for mounting or dismounting the wiper blade. In particular, the windshield wiper comprises an energy storage unit, in particular in the form of a battery, and an electrical unit, in particular in the form of a heating unit, which electrical unit can be connected to the energy storage unit, in particular via the electronic connection unit, in particular the electronic connection element and the electronic connection element.

[0018] By means of the design of the windshield wiper according to the invention, an advantageously reliable electrical connection of the wiper blade to the wiper arm can be achieved, in particular because the electronic connection element can move together with the wiper blade when the wiper blade, in particular the electronic connection element, moves about the bearing axis. An unintentional and / or undesired loosening of the electronic connection unit, in particular the electronic connection element, from the electronic connection element can be advantageously prevented when the wiper blade moves about the bearing axis. An advantageously simple and rapid mounting of the electronic connection unit can be achieved, in particular because the number of possible degrees of freedom of movement of the electronic connection element relative to the bearing element can advantageously be reduced to two. In particular, an advantageously high level of operating comfort can be achieved when mounting or dismounting the wiper blade.

[0019] The windshield wiper device according to the invention and / or the windshield wiper according to the invention are not intended to be limited to the applications and embodiments described above. In particular, the windshield wiper device according to the invention and / or the windshield wiper according to the invention can have a number of individual elements, components and units other than the number mentioned at this point in order to carry out the operating principle described at this point. Furthermore, for the numerical ranges described in this disclosure, the values ​​within the mentioned limits are also to be regarded as disclosed and can be used arbitrarily. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Further advantages are obtained from the following description of the drawings. Two embodiments of the invention are shown in the drawings. The drawings, the description and the claims contain a large number of features in combination. A person skilled in the art will also consider these features individually and summarize other meaningful combinations. Among them:

[0021] Figure 1 A schematic diagram of a windshield wiper according to the invention having a windshield wiper device according to the invention in a state installed on a windshield is shown,

[0022] Figure 2 A schematic detail view of a windshield wiper according to the invention in the region of a windshield wiper device according to the invention is shown,

[0023] Figure 3 A schematic detail view of a windshield wiper device according to the invention in the region of an electronic connection element, a receiving element and a coupling element of an electronic connection unit of the windshield wiper device is shown, in particular without a base body of a wiper arm adapter of the windshield wiper device, and

[0024] Figure 4 A schematic detail illustration of an alternative embodiment of a windshield wiper device according to the invention is shown. DETAILED DESCRIPTION

[0025] exist Figure 11 shows a windshield wiper 10a in a state in which it is mounted on a windshield 12a. In particular, the windshield 12a is designed as a windshield of a vehicle, which is not completely shown in the figure. However, it is also conceivable that the windshield wiper 10a is arranged on a fixed object, such as a windshield 12a of a building or other moving device. The windshield wiper 10a comprises a wiper arm 14a, a wiper blade 16a, a drive unit 18a, an energy storage unit 20a, an electric unit 22a and a windshield wiper device 24a. In particular, the electric unit 22a is designed as a heating unit and is provided for heating at least one fluid channel and / or a surface of the wiper blade 16a. The electric unit 22a designed as a heating unit has an electric element 26a designed as a heating element, which is arranged on the wiper blade 16a, in particular at or in a fluid channel of the wiper blade 16a. However, other embodiments of the electrical unit 22a, in particular the electrical element 26a, in particular as a sensor unit, a display unit, etc. are also conceivable. Preferably, the drive unit 18a has a drive element (which is in particular Figure 1 The wiper arm 14a is provided with a drive shaft 28a (not shown), wherein in particular the wiper arm 14a is fixed to the drive shaft 28a and can be moved along the windshield 12a via the drive shaft 28a. The energy storage unit 20a is in particular configured as a battery. However, other designs of the energy storage unit 20a, in particular as an external power grid or the like, are also conceivable. The wiper arm 14a comprises a wiper arm adapter 30a. In particular, the wiper arm adapter 30a is configured as a side-locking wiper arm adapter. The wiper blade 16a comprises a wiper blade adapter 32a, wherein the wiper blade 16a can be fixed to the wiper arm 14a, in particular the wiper arm adapter 30a, via the wiper blade adapter 32a. In particular, the wiper blade 16a is supported via a wiper blade adapter 32a and a wiper arm adapter 30a in at least one operating state of the windshield wiper 10a, in particular of a windshield wiper device 24a, so as to be rotatable relative to the wiper arm 14a, in particular for installing or removing the wiper blade 16a.

[0026] The wiper blade adapter 32a and the wiper arm adapter 30a are part of the windshield wiper device 24a. The wiper arm adapter 30a has two circuit elements 34a and a bearing element 36a. In particular, the wiper blade adapter 32a is supported on the wiper arm adapter 30a in a movable, in particular pivotable manner via the bearing element 36a of the wiper arm adapter 30a. The circuit element 34a is provided for electrically connecting the energy storage unit 20a and the electric unit 22a, in particular the electric element 26a. In particular, the circuit element 34a extends at least partially along the wiper arm 14a, in particular from the drive shaft 28a to the wiper arm adapter 30a. The windshield wiper device 24a comprises an electronic connection unit 38a for electrically connecting the circuit element 34a of the wiper arm adapter 30a to at least one electronic connection element 40a of the wiper blade adapter 32a. In particular, the electronics connection element 40a is electrically connected to the electrical component 26a of the electrical unit 22a.

[0027] exist Figure 2 Detailed views of the windshield wiper 10a in the region of the windshield wiper device 24a are shown in FIG. The electronic connection unit 38a comprises an electronic connection element 42a, which is arranged on the wiper arm adapter 30a and is supported by a support element 36a in a movable, in particular rotatable or swivellable manner at least relative to the wiper arm adapter 30a. The electronic connection element 42a and the electronic connection element 40a are designed as part of an electronic plug connection of the windshield wiper device 24a. The electronic connection element 42a and the electronic connection element 40a are designed as plugs, in particular, designed correspondingly to each other. However, other designs of the electronic connection element 42a and / or the electronic connection element 40a, for example as a coil and / or as an electrical contact, are also conceivable. Preferably, the electronic connection element 40a is designed as a connection pin in at least one region 44a of the electronic connection element 40a. Preferably, the electronic connection element 42a is configured as a connection socket in at least one region 46a of the electronic connection element 42a. Preferably, the electronic connection element 42a and the electronic connection element 40a are configured as a 2-pole structure. However, it is also conceivable that the electronic connection element 42a and / or the electronic connection element 40a are configured as a unipolar or higher-pole structure. The line element 34a is electrically connected to at least one of the electronic connection elements 42a, in particular the connection pins. The electronic connection elements 42a and the electronic connection elements 40a are electrically connected to at least one of the electronic connection units 38a, in particular Figure 1 The electronic connection element 42a and the electronic connection element 40a are at least mostly made of plastic, especially except for the contact area of ​​the electronic connection element 42a for electrical connection, which is Figure 24. The electronic connection element 42a and the electronic connection element 40a are fixed to each other by force fit in the connected state of the electronic connection unit 38a. The electronic connection element 42a is at least partially designed as a plug flange in at least one area 43a, which bears against the electronic connection element 40a in a form-fitting manner in the connected state of the electronic connection unit 38a. In particular, the plug flange is provided for being at least partially pushed onto the electronic connection element 40a when the electronic connection element 42a is connected to the electronic connection element 40a. The electronic connection element 42a and the electronic connection element 40a are connected to each other in a rotationally fixed manner with respect to the movement of the wiper blade adapter 32a relative to the wiper arm adapter 30a in the connected state of the electronic connection unit 38a, wherein the electronic connection unit 38a together with the wiper blade adapter 32a can be rotated or swiveled around the support element 36a. The electronic connection element 42a and the electronic connection element 40a are connected to each other in a rotationally fixed manner in the connected state of the electronic connection unit 38a by a form-fitting connection. In particular, electronics connecting element 42a and electronics connection element 40a have, in particular in the regions 44 , 46 of the electrical contacts, at least substantially perpendicularly to connecting axis 84a of electronics connecting unit 38a , a cross section that deviates from a point-symmetrical cross section.

[0028] The bearing element 36a has a bearing axis 48a, about which the wiper blade adapter 32a is supported on the wiper arm adapter 30a. The electronic connection element 42a is supported by the bearing element 36a in a rotatable or pivotable manner about the bearing axis 48a. The bearing axis 48a and the bearing element 36a are oriented at least substantially perpendicularly to a main extension axis 50a of the wiper arm adapter 30a. The bearing element 36a is in particular designed as a bearing bolt. However, other designs of the bearing element 36a are also conceivable. In particular, the wiper blade adapter 32a defines a recess 52a, within which the bearing element 36a is arranged in a state in which the wiper blade adapter 32a is supported on the wiper arm adapter 30a. Preferably, the bearing element 36a is fixed in a particularly rotationally fixed manner on a base body 54a of the wiper arm adapter 30a. The electronics connecting element 42a is supported by a supporting element 36a in a movable, in particular rotatable or pivotable manner relative to a base body 54a of the wiper arm adapter 30a. The supporting element 36a is arranged in such a way that the supporting axis 48a is oriented at least substantially perpendicularly to a main extension axis 56a of the wiper blade adapter 32a, in particular in at least one state of the wiper blade adapter 32a when mounted on the wiper arm adapter 30a.

[0029] The wiper arm adapter 30a comprises a retaining element 58a for retaining a wiper blade adapter 32a on the wiper arm adapter 30a, in particular on a bearing element 36a. In particular, the retaining element 58a is provided for retaining the wiper blade adapter 32a along a bearing axis 48a in at least one position relative to the wiper arm adapter 30a. The retaining element 58a is designed as a retaining pin which extends from a base body 54a of the wiper arm adapter 30a within the range of a maximum lateral extension 110a of the wiper blade adapter 32a and is provided for at least partially enclosing the wiper blade adapter 32a in a final assembly position. Preferably, the retaining element 58a is provided for at least partially limiting a movement of the wiper blade adapter 32a around the bearing element 36a, in particular along at least one direction about the bearing axis 48a. Preferably, the wiper blade adapter 32a has a mating contact surface 60a, against which the retaining element 58a contacts in at least one installed state of the wiper blade adapter 32a. Preferably, the mating contact surface 60a is at least partially oriented at least substantially perpendicular to the bearing axis 48a. However, other designs of the retaining element 58a and / or the mating contact surface 60a are also conceivable. The retaining element 58a is formed integrally with the base body 54a of the wiper arm adapter 30a. The electronic connection element 42a is supported in a movable, in particular rotatable or swivellable manner relative to the wiper arm adapter 30a, in particular in at least one unconnected state of the electronic connection unit 38a, by the support element 36a independently of the retaining element 58a. The electronic connection element 42a is coupled to the movement of the wiper blade adapter 32a about the bearing axis 48a by the electronic coupling element 40a in the connected state of the electronic connection unit 38a. The electronics connecting element 40a is fastened in a rotationally fixed manner on a main body 54a of the wiper blade adapter 32a.

[0030] The electronics connection unit 38a has a coupling element 62a which is arranged, in particular, directly on the support element 36a and the electronics connection element 42a and defines at least one support recess 64a (see Figure 3 ), wherein at least the electronic connection element 42a and the coupling element 62a are supported on the support element 36a via a support recess 64a in a movable, in particular rotatable or swingable manner relative to the wiper arm adapter 30a. The coupling element 62a is formed integrally with the electronic connection element 42a. However, it is also conceivable that the coupling element 62a is formed separately from the electronic connection element 42a and is fixed to the electronic connection element 42a. The coupling element 62a is at least mostly made of plastic. The coupling element 62a has a support surface 66a (see Figure 3 ) and another support surface 68a (see Figure 3 ), wherein the bearing surface 66a defines a bearing recess 64a, and the further bearing surface 68a defines a further bearing recess 70a. At least the electronic connection element 42a and the coupling element 62a are supported on the bearing element 36a via the bearing recess 64a and the further bearing recess 70a in a movable, in particular rotatable or swingable manner relative to the wiper arm adapter 30a. The coupling element 62a abuts against the bearing element 36a via the bearing surface 66a and the further bearing surface 68a. The bearing surface 66a and the further bearing surface 68a at least for the most part abut against the bearing element 36a. The coupling element 62a is configured in such a way that the bearing surface 66a and the further bearing surface 68a surround the bearing element 36a, in particular around the bearing axis 48a, at least for the most part. In particular, the coupling element 62a is provided for at least holding the electronic connection element 42a on the bearing element 36a by a form fit via the bearing surface 66a and the further bearing surface 68a. In particular, the bearing surface 66a and the further bearing surface 68a are designed at least substantially parallel to the bearing axis 48a. The coupling element 62a is designed such that the bearing recess 64a and the further bearing recess 70a have a central axis 72a, in particular the bearing surface 66a and the further bearing surface 68a are arranged at regular intervals around the central axis 72a. The coupling element 62a is designed such that at least one of the electronic connecting unit 38a, in particular the coupling element 62a, in particular Figure 1, in the state shown in FIG. 1 , in which the central axis 72a is fastened to the bearing element 36a, the central axis 72a extends within the bearing axis 48a. The wiper arm adapter 30a at least partially surrounds the coupling element 62a in a region 74a of the coupling element 62a, in which the coupling element 62a defines a bearing recess 64a and on which the bearing element 36a is arranged. The coupling element 62a is at least partially surrounded by the base body 54a of the wiper arm adapter 30a in a region 74a of the coupling element 62a, in which the bearing surface 66a defines a bearing recess 64a. The base body 54a of the wiper arm adapter 30a has at least partially a U-shaped basic shape in a section of the wiper arm adapter 30a which extends at least substantially perpendicularly to the main extension axis 50a of the wiper arm adapter 30a. However, other designs of the wiper arm adapter 30a, in particular of the base body 54a of the wiper arm adapter 30a, for example with a V-shaped or closed basic shape are also conceivable. The coupling element 62a is at least for the most part surrounded by the basic shape of the base body 54a of the wiper arm adapter 30a in a region 74a of the coupling element 62a in which the coupling element 62a delimits a bearing recess 64a and is arranged on the bearing element 36a in at least one section of the wiper arm adapter 30a. A region 76a of the coupling element 62a is arranged outside the wiper arm adapter 30a, in particular of the base body 54a of the wiper arm adapter 30a, in which region 76a the coupling element 62a delimits a further bearing recess 70a, in particular by means of a further bearing surface 68a, and is arranged on the bearing element 36a. In particular, a region 76a of the coupling element 62a, in which the coupling element 62a delimits a further bearing recess 70a, in particular via a further bearing surface 68a, and is arranged on the bearing element 36a, is arranged between the wiper blade adapter 32a and the wiper arm adapter 30a, in particular the base body 54a of the wiper arm adapter 30a, as viewed along the bearing axis 48a. However, other designs of the coupling element 62a are also conceivable.

[0031] The electronics connection unit 38a comprises a stop element 78a, which is arranged on the electronics connection element 42a, in particular via a coupling element 62a, and in the connected state of the electronics connection unit 38a, in particular directly abuts against the wiper arm adapter 30a, in particular against the base body 54a of the wiper arm adapter 30a, wherein the stop element 78a is provided to prevent the electronics connection element 42a from moving relative to the wiper arm adapter 30a along at least one direction 80a oriented along a bearing axis 48a of the bearing element 36a. The stop element 78a is formed integrally with the coupling element 62a and the electronics connection element 42a. The stop element 78a has a stop surface 82a, which abuts against the wiper arm adapter 30a, in particular against the base body 54a of the wiper arm adapter 30a, in the connected state of the electronics connection unit 38a. In particular, the stop surface 82a is designed as a flat surface. The stop surface 82a is in full contact with the wiper arm adapter 30a, in particular with the base body 54a of the wiper arm adapter 30a. The stop surface 82a is at least for the most part oriented at least substantially perpendicular to the bearing axis 48a. The stop surface 82a is at least for the most part oriented at least substantially perpendicular to the bearing surface 66a and the further bearing surface 68a. The stop surface 82a is at least for the most part oriented at least substantially parallel to the main extension axis 50a of the wiper arm adapter 30a. The stop surface 82a is particularly oriented at the wiper blade adapter 32a at the Figure 2In the mounted state shown in FIG. , the stop element 78a is oriented at least for the most part at least substantially parallel to the main extension axis 56a of the wiper blade adapter 32a. The stop surface 82a is arranged on the side of the stop element 78a facing away from the wiper blade adapter 32a. In particular, the stop element 78a, in particular the stop surface 82a, in the connected state of the electronic connection unit 38a, is arranged at least partially between the wiper blade adapter 32a and the wiper arm adapter 30a, in particular the base body 54a of the wiper arm adapter 30a. The stop surface 82a at least partially defines a further bearing surface 68a of the coupling element 62a. In particular, the stop element 78a is supported, in particular via the coupling element 62a together with the electronic connection element 42a via the bearing element 36a, in particular in a manner that it can move, in particular can pivot or rotate, about the bearing axis 48a. Preferably, the stop element 78a is provided for holding the electronics connection element 42a in a position relative to the electronics connection element 40a, in particular in a position on the electronics connection element 40a, in particular in the state of the wiper blade adapter 32a mounted on the wiper arm adapter 30a, in particular by the cooperation of the stop element 78a, in particular the stop surface 82a and the wiper arm adapter 30a, in particular the base body 54a of the wiper arm adapter 30a. However, other designs of the stop element 78a are also conceivable, in which the stop element 78a is, for example, designed separately from the coupling element 62a.

[0032] The electronics connection unit 38a has a connection axis 84a, along which the electronics connection element 42a and the electronics connection element 40a can be connected to one another and / or can be separated from one another, wherein the electronics connection element 42a is arranged in particular in at least one connected state of the electronics connection unit 38a in such a way that the connection axis 84a is oriented at least substantially parallel to the bearing axis 48a of the bearing element 36a. The connection axis 84a extends centrally through the electronics connection element 42a. The connection axis 84a is oriented at least substantially perpendicularly to the main extension axis 50a of the wiper arm adapter 30a and perpendicularly to the main extension axis 56a of the wiper blade adapter 32a. The connection axis 84a is oriented at least substantially parallel to the bearing surface 66a and the further bearing surface 68a. The connection axis 84a is oriented at least substantially perpendicularly to the stop surface 82a. In particular, the electronic connecting element 42a is designed and / or arranged in such a way that the connecting axis 84a and the electronic connecting element 42a are arranged within a maximum depth extension 86a of the wiper arm adapter 30a when viewed along a plane of the wiper arm adapter 30a which extends at least substantially parallel to a main extension axis 50a of the wiper arm adapter 30a and parallel to a bearing axis 48a, wherein in particular the maximum depth extension 86a of the wiper arm adapter 30a is oriented at least substantially perpendicularly to a plane of the wiper arm adapter 30a which extends at least substantially parallel to a main extension axis 50a of the wiper arm adapter 30a and parallel to a bearing axis 48a.

[0033] The electronics connecting unit 38a, in particular the electronics connecting element 42a, has a maximum distance 88a of at most 3 cm, preferably at most 2 cm, particularly preferably at most 1 cm and very particularly preferably 1 cm, along an axis oriented at least substantially perpendicularly to the main extension axis 50a of the wiper arm adapter 30a and to the bearing axis 48a of the bearing element 36a relative to a plane of the wiper arm adapter 30a which includes the bearing axis 48a and is oriented at least substantially parallel to the main extension axis 50a of the wiper arm adapter 30a. The base body 54a of the wiper arm adapter 30a has a top surface 90a which is arranged on the following side of the base body 54a of the wiper arm adapter 30a which is oriented at least substantially perpendicularly to the connecting axis 84a and to the bearing axis 48a and at least substantially perpendicularly to the main extension axis 50a of the wiper arm adapter 30a. The top surface 90a is oriented at least for the most part at least substantially parallel to the connecting axis 84a, the bearing axis 48a and the main extension axis 50a of the wiper arm adapter 30a. The electronics connecting unit 38a, in particular the electronics connecting element 42a, in at least one state of the wiper blade adapter 32a mounted on the wiper arm adapter 30a, is arranged at least substantially completely on a side of the top surface 90a facing the wiper blade adapter 32a, as viewed along the top surface 90a.

[0034] The electronic connection unit 38a comprises a receiving element 92a for at least partially receiving the circuit element 34a, wherein the receiving element 92a is arranged on the wiper arm adapter 30a in a movable, especially swingable or rotatable manner at least through the electronic connection element 42a in at least one connected state of the electronic connection unit 38a. The receiving element 92a is formed integrally with the electronic connection element 42a and the coupling element 62a. The receiving element 92a defines a receiving gap 94a, wherein the circuit element 34a is at least partially arranged inside the receiving gap 94a. The circuit elements 34a are respectively configured as cables. However, other designs of the circuit elements 34a are also conceivable. The receiving gap 94a extends along the guide section 96a of the receiving element 92a. The receiving element 92a is configured so that the receiving gap 94a extends along the guide section 96a of the receiving element 92a to the electronic connection element 42a. The receiving element 92a at least for the most part surrounds the receiving recess 94a when viewed in at least one plane of the receiving element 92a which is oriented at least substantially perpendicularly to the guide section 96a. The receiving element 92a is at least partially designed in the form of a channel, wherein the circuit element 34a is guided within the receiving recess 94a. The guide section 96a is designed at least partially in a curved manner. The receiving element 92a is designed such that the guide section 96a, in particular in at least one state of the wiper blade adapter 32a mounted on the wiper arm adapter 30a, extends within a plane which is oriented at least substantially parallel to the main extension axis 50a of the wiper arm adapter 30a, to the connecting axis 84a and / or to the bearing axis 48a. The receiving element 92a is designed such that the guide section 96a is arranged in at least one region 98a, in particular in at least one state of the wiper blade adapter 32a mounted on the wiper arm adapter 30a, at least substantially parallel to the main extension axis 50a of the wiper arm adapter 30a. The receiving element 92a is designed such that the guide section 96a is arranged in at least one further region 100a, in particular adjacent to the electronics connecting element 42a, at least substantially parallel to the connecting axis 84a and / or at least substantially perpendicular to the main extension axis 50a of the wiper arm adapter 30a.

[0035] The electronic connection unit 38a comprises a sealing element 102a, which is provided for sealing the electronic connection element 42a and / or at least one electrical contact of the electronic connection element 40a in an airtight and / or watertight manner in the connected state of the electronic connection unit 38a. The sealing element 102a is arranged on the electronic connection element 42a. It is also conceivable that the sealing element 102a is arranged on the electronic connection element 40a. The sealing element 102a is constructed as a sealing rubber that is particularly at least partially annular. However, other designs of the sealing element 102a are also conceivable, for example as a sealing material that particularly contains silicone, as a sealing tape, etc. The sealing element 102a is arranged at least for the most part between the electronic connection element 42a and the electronic connection element 40a in the connected state. The sealing element 102a is particularly provided for sealing the electronic connection element 42a and / or at least one electrical contact of the electronic connection element 40a in a gas-tight and / or water-tight manner by a form-fitting interaction between the electronic connection element 42a and the electronic connection element 40a. The sealing element 102a is arranged around the connection axis 84a. The sealing element 102a at least substantially completely surrounds the connection axis 84a in at least one cross-sectional plane of the electronic connection element 42a.

[0036] The electronics connection unit 38a comprises a form-fitting element 104a, which abuts against at least one abutment surface 106a of the wiper blade adapter 32a, which is oriented at least substantially parallel to the connection axis 84a of the electronics connection unit 38a and the main extension axis 56a of the wiper blade adapter 32a, and is provided for limiting at least one movement of the electronics connection element 42a about the bearing axis 48a of the bearing element 36a when the electronics connection unit 38a is connected to the electronics coupling element 40a. The form-fitting element 104a is formed integrally with the electronics connection element 42a and / or the coupling element 62a. The form-fitting element 104a has a bearing surface 108a, wherein the bearing surface 108a abuts against the abutment surface 106a at least for the most part and / or over the entire surface in the connected state of the electronics connection unit 38a. The bearing surface 108a and the abutment surface 106a are designed as curved surfaces. However, it is also conceivable that the bearing surface 108a and the contact surface 106a are designed as flat surfaces. The contact surface 106a extends in particular over at least 50%, preferably at least 60%, particularly preferably at least 70% and very particularly preferably 90% of the maximum lateral extension 110a of the wiper blade adapter 32a. In particular, the maximum lateral extension 110a of the wiper blade adapter 32a is oriented at least substantially perpendicular to the main extension axis 56a of the wiper blade adapter 32a. The maximum lateral extension 110a of the wiper blade adapter 32a is oriented at least substantially parallel to the connection axis 84a and the bearing axis 48a. The form-fit element 104a extends in particular over at least 50%, preferably at least 60%, particularly preferably at least 70% and very particularly preferably 90% of the maximum lateral extension 110a of the wiper blade adapter 32a in the connected state of the electronics connecting unit 38a. The form-fitting element 104a extends at least for the most part at least substantially parallel to the connection axis 84a and the bearing axis 48a. The form-fitting element 104a is arranged on the side of the bearing axis 48a facing the connection axis 84a when viewed in the projection plane spanned by the connection axis 84a and the bearing axis 48a. The form-fitting element 104a is arranged on the side of the connection axis 84a facing away from the bearing axis 48a when viewed in the projection plane spanned by the connection axis 84a and the bearing axis 48a. However, it is also conceivable that the form-fitting element 104a is arranged between the bearing axis 48a and the connection axis 84a when viewed in the projection plane spanned by the connection axis 84a and the bearing axis 48a. In particular, the form-fitting element 104a is configured as a retaining pin. However, other designs of the form-fitting element 104a as a bolt, as a pin, etc. are also conceivable.In particular, the form-fit element 104a is provided for centering the electronic connection element 42a on the connection axis 84a when the electronic connection unit 38a is connected, in particular for connecting the electronic connection element 42a to the electronic connection element 40a. The abutment surface 106a and the support surface 108a have a common contact axis 112a, along which the abutment surface 106a and the support surface 108a abut against each other in the connected state of the electronic connection unit 38a. The electronic connection element 42a and the electronic connection element 40a each have at least one central axis 114a, 116a, which is oriented at least substantially parallel to the connection axis 84a. The form-fit element 104a is arranged and / or formed in such a way that a minimum distance 118a between the contact axis 112a and the central axis 114a of the electronic connection element 42a along a circumferential direction 120a about the bearing axis 48a at least substantially corresponds to a minimum distance 122a between the contact axis 112a and the central axis 116a of the electronic connection element 40a along a circumferential direction 120a about the bearing axis 48a.

[0037] exist Figure 3, the windshield wiper device 24a is shown independently of the base body 54a of the wiper arm adapter 30a and the retaining element 58a of the wiper arm adapter 30a, wherein in particular only the base body 54a of the wiper arm adapter 30a on the bearing element 36a is outlined. The coupling element 62a defines a recess 124a, which extends at least substantially parallel to the bearing axis 48a. In particular, the base body 54a of the wiper arm adapter 30a moves at least partially into the recess 124a, in particular together with the wiper blade adapter 32a, during a movement of the coupling element 62a and the electronic connection element 42a about the bearing axis 48a. Preferably, the recess 124a limits a movement of the coupling element 62a and the electronic connection element 42a about the bearing axis 48a, in particular along a circumferential direction 120a. The receiving element 92a, in particular the receiving recess 94a defined by the receiving element 92a, is designed in an end region 126a of the receiving element 92a on the wiper arm adapter side such that a line sheath 128a of the circuit element 34a is at least partially surrounded by the receiving element 92a. The two circuit elements 34a are at least partially arranged within the receiving recess 94a. In particular, the receiving recess 94a is designed separately in an end region 132a of the receiving element 92a on the electronics connection element side, wherein the two circuit elements 34a are guided separately to the electronics connection element 42a. The coupling element 62a is designed in a region 74a of the coupling element 62a along the bearing axis 48a within the scope of a length 130a, wherein in the region 74a the coupling element 62a delimits a bearing recess 64a and is arranged on the bearing element 36a, and the length 130a is smaller than an inner maximum transverse extension 134a of a base body 54a of the wiper arm adapter 30a along the longitudinal axis 48a. In particular, the bearing surface 66a and the further bearing surface 68a surround the bearing element 36a around the bearing axis 48a, in particular to an extent of more than 50%, preferably more than 55%, particularly preferably more than 60% and very particularly preferably 65% ​​of the circumference of the bearing element 36a, in particular when viewed in a plane of the bearing element 36a extending at least substantially perpendicular to the bearing axis 48a. It is also conceivable that the bearing surface 66a and the further bearing surface 68a are designed differently from one another.

[0038] exist Figure 4 A further embodiment of the invention is shown in FIG. The following description and drawings are essentially limited to the differences between the embodiments, wherein for identically represented components, in particular for components with the same reference numerals, reference can in principle also be made to another embodiment, in particular Figures 1 to 3 In order to distinguish these embodiments, the letter a is placed in Figures 1 to 3 Behind the reference numerals of the embodiments in the Figure 4In the embodiment of FIG. 5 , the letter a is replaced by the letter b.

[0039] exist Figure 4 An alternative design of a windshield wiper device 24b of a windshield wiper 10b is shown in FIG. The windshield wiper device 24b comprises a wiper blade adapter 32b, a wiper arm adapter 30b and an electronic connection unit 38b, which is used to electrically connect two circuit elements 34b of the wiper arm adapter 30b to an electronic connection element 40b of the wiper blade adapter 32b. The wiper blade adapter 32b is supported on the wiper arm adapter 30b in a movable, in particular pivotable manner via a support element 36b of the wiper arm adapter 30b, which is in particular designed as a support bolt. The electronic connection unit 38b comprises an electronic connection element 42b, which is arranged on the wiper arm adapter 30b and is supported at least in a movable, in particular pivotable or pivotable manner relative to the wiper arm adapter 30b via the support element 36b. In FIG. Figure 4 The windshield wiper device 24b shown in FIG. 1 has at least substantially the same Figures 1 to 3 The windshield wiper device 24a described in the description of FIG. Figure 4 The design of the windshield wiper device 24b shown in FIG. 2 can be at least substantially described with reference to FIG. Figures 1 to 3 Description. Figures 1 to 3 Unlike the windshield wiper device 24a described in the description of Figure 4The windshield wiper device 24b shown in the figure preferably has a receiving element 92b for at least partially receiving two circuit elements 34b, wherein the receiving element 92b is arranged on the wiper arm adapter 30b in a movable, in particular pivotable or rotatable manner at least via the electronic connection element 42b in at least one connected state of the electronic connection unit 38b. The receiving element 92b is formed integrally with the electronic connection element 42b and the coupling element 62b of the electronic connection unit 38b. The receiving element 92b defines two receiving gaps 94b formed separately from each other, wherein each of the circuit elements 34b is at least partially arranged inside one of the receiving gaps 94b. The receiving gaps 94b extend respectively along a guide section 96b of the receiving element 92b. The receiving element 92b is formed in such a way that the receiving gaps 94b extend respectively along a guide section 96b of the receiving element 92b to the electronic connection element 42b. The receiving element 92b at least for the most part surrounds the receiving recess 94a when viewed in at least one plane of the receiving element 92b which is oriented at least substantially perpendicularly to the guide section 96b. The receiving element 92b is designed such that the receiving recess 94b extends along the guide section 96b within the range of a maximum transverse extension 136b which remains constant, in particular oriented at least substantially perpendicularly to the guide section 96b. The receiving element 92b is designed such that the guide section 96b is at least partially curved. The receiving element 92b is designed such that the guide section 96b, in particular in at least one state of the wiper blade adapter 32b mounted on the wiper arm adapter 30b, extends within a plane which is oriented at least substantially parallel to the main extension axis 50b of the wiper arm adapter 30b, to the connecting axis 84b and / or to the bearing axis 48b of the bearing element 36b. The receiving element 92b is designed in such a way that the guide section 96b is arranged at least substantially parallel to the main extension axis 50b of the wiper arm adapter 30b in at least one region 98b, in particular in at least one state of the wiper blade adapter 32b mounted on the wiper arm adapter 30b, and is designed in a straight line. The receiving element 92b is designed in such a way that the guide section 96b is arranged at least substantially parallel to the connection axis 84b and / or at least substantially perpendicular to the main extension axis 50b of the wiper arm adapter 30b in at least one further region 100b, in particular adjacent to the electronic connection element 42b, and is designed in a straight line. The electronic connection unit 38b comprises two fixing elements 138b, which are arranged on the receiving element 92b. The fixing elements 138b are provided for at least partially fixing the circuit element 34b relative to the receiving element 92b. The fixing elements 138b are designed as clips.However, other designs of the fixing element 138b are also conceivable, for example as a hook, as a collar, as a shaped component, in particular for narrowing the receiving recess 94b, etc. The fixing element 138b is respectively arranged at one of the receiving recesses 94b. The fixing element 138b is respectively arranged at least partially in an end region 126b of the receiving recess 94b on the wiper arm adapter side. It is particularly preferred that the fixing element 138b is at least partially arranged in an end region 140b of the guide section 96b opposite the electronic connecting element 42b. Figures 1 to 3 In comparison with the windshield wiper device 10a described in , the windshield wiper device 24b is preferably designed without a form-fitting element 104a.

Claims

1. A windshield wiper device comprising at least one wiper blade adapter (32a; 32b), at least one wiper arm adapter (30a; 30b) and at least one electronic connection unit (38a; 38b) for electrically connecting at least one circuit element (34a; 34b) of the wiper arm adapter (30a; 30b) to at least one electronic connection element (40a; 40b) of the wiper blade adapter (32a; 32b), wherein the wiper blade adapter (32a; 32b) is supported on the wiper arm adapter (30a; 30b) in a pivotable manner via at least one support element (36a; 36b) of the wiper arm adapter (30a; 30b), characterized in that The electronic connection unit (38a; 38b) comprises at least one electronic connection element (42a; 42b), which is arranged on the wiper arm adapter (30a; 30b) and is supported by the support element (36a; 36b) at least in a rotatable or swingable manner relative to the wiper arm adapter (30a; 30b), wherein the electronic connection unit (38a; 38b) comprises at least one coupling element (62a; 62b) The coupling element is directly arranged on the supporting element (36a; 36b) and the electronic connecting element (42a; 42b) and defines at least one supporting gap (64a; 64b), wherein at least the electronic connecting element (42a; 42b) and the coupling element (62a; 62b) are supported on the supporting element (36a; 36b) via the supporting gap (64a; 64b) in a rotatable or swingable manner relative to the wiper arm adapter (30a; 30b).

2. The windshield wiper device according to claim 1, characterized in that The wiper arm adapter (30a; 30b) at least partially surrounds the coupling element (62a; 62b) at least in a region (74a; 74b) of the coupling element (62a; 62b). 62b), in said region said coupling element (62a; 62b) defines the bearing recess (64a; 64b) and is arranged on the bearing element (36a; 36b).

3. The windshield wiper device according to claim 2, characterized in that The electronic connection unit (38a; 38b) has at least one stop element (78a; 78b), which is arranged on the electronic connection element (42a; 42b) and directly abuts against the wiper arm adapter (30a; 30b) in at least one connected state of the electronic connection unit (38a; 38b), wherein the stop element (78a; 78b) is configured to prevent the electronic connection element (42a; 42b) from moving relative to the wiper arm adapter (30a; 30b) along at least one direction (80a) oriented along a support axis (48a; 48b) of the support element (36a; 36b).

4. The windshield wiper device according to any one of claims 1 to 3, characterized in that The electronic connection unit (38a; 38b) has at least one connection axis (84a; 84b), the electronic connection element (42a; 42b) and the electronic connection element (40a; 40b) can be connected to each other and / or can be separated from each other along the connection axis (84a; 84b), wherein the electronic connection element (42a; 42b) is arranged in at least one connected state of the electronic connection unit (38a; 38b) such that the connection axis (84a; 84b) is oriented at least substantially parallel to the support axis (48a; 48b) of the support element (36a; 36b).

5. The windshield wiper device according to any one of claims 1 to 3, characterized in that The electronic connection unit (38a; 38b) is arranged along a main extension axis (50a; 50b) at least substantially perpendicular to the wiper arm adapter (30a; 30b) and relative to a bearing axis (48a; An axis oriented at the wiper arm adapter (30a; 30b) has a maximum spacing (88a) of at most 3 cm relative to a plane of the wiper arm adapter (30a; 30b) which includes the bearing axis (48a; 48b) and is oriented at least substantially parallel to a main extension axis (50a; 50b) of the wiper arm adapter (30a; 30b).

6. The windshield wiper device according to any one of claims 1 to 3, characterized in that The electronic connection unit (38a; 38b) comprises at least one receiving element (92a, 92b) for at least partially receiving the circuit element (34a; 34b), wherein the receiving element is arranged on the wiper arm adapter (30a; 30b) in a pivotable or rotatable manner at least via the electronic connection element (42a; 42b) in at least one connected state of the electronic connection unit (38a; 38b).

7. The windshield wiper device according to any one of claims 1 to 3, characterized in that The electronic connection element (42a; 42b) and the electronic coupling element (40a; 40b) are connected to each other in a rotationally fixed manner with respect to a movement of the wiper blade adapter (32a; 32b) relative to the wiper arm adapter (30a; 30b) in at least one connected state of the electronic connection unit (38a; 38b), wherein the electronic connection unit (38a; 38b) can be rotated or swiveled together with the wiper blade adapter (32a; 32b) around a supporting element (36a; 36b).

8. The windshield wiper device according to any one of claims 1 to 3, characterized in that The electronic connection unit (38a; 38b) comprises at least one sealing element (102a), which is configured to seal the electronic connection element (42a; 42b) and / or at least one electrical contact of the electronic connection element (40a; 40b) in an airtight and / or watertight manner in at least one connected state of the electronic connection unit (38a; 38b).

9. The windshield wiper device according to any one of claims 1 to 3, characterized in that The electronic connection unit (38a; 38b) comprises at least one form-fitting element (104a), which abuts against at least one abutment surface (106a) of the wiper blade adapter (32a) which is oriented at least substantially parallel to a connection axis (84a) of the electronic connection unit (38a) and parallel to a main extension axis (56a) of the wiper blade adapter (32a), and is arranged to at least limit the movement of the electronic connection element (42a) around a support axis (48a) of a support element (36a) when the electronic connection unit (38a) is connected to the electronic coupling element (40a).

10. A windshield wiper having at least one windshield wiper device (24a; 24b) according to any one of claims 1 to 9.

Citation Information

Patent Citations

  • Hydraulic connector that carries a rotational axis of a wiping system

    DE112011102653T5