Glass wiper equipment
By designing a movable electrical connection unit and simplifying the wiring layout in the windshield wiper device, the problems of complex installation and inconvenient electrical connection of existing equipment are solved, achieving the effects of easy installation, cost saving and improved wiper blade replaceability.
Patent Information
- Application Number
- CN202010819746.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2019-08-15
- Filing Date
- 2020-08-14
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2040-08-14
AI Technical Summary
Existing windshield wiper systems are complex to install and have inconvenient electrical connections, which affects the replaceability of wiper blades and the ease of power supply.
A glass wiper device is designed in which the wiper blade adapter and the wiper arm adapter connect or disconnect the electrical connection unit through translational movement. The electrical connection unit connects or disconnects with the heating element through the translational movement of the wiper blade adapter relative to the wiper arm adapter along or parallel to the longitudinal axis of the wiper blade adapter. The plug-in and snap-fit methods simplify the arrangement of the wires and ensure the safe separation of the wires from the fluid channel.
It enables easy installation of windshield wiper equipment, saves time and costs, simplifies the power supply process for wiper blades, and improves the replaceability of wiper blades and the safety of electrical connections.
Smart Images

Figure CN112389374B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to a glass wiper device. Background Technology
[0002] A windshield wiper device has been proposed, comprising at least one wiper blade, at least one heating element disposed on the wiper blade, particularly integrated into the wiper blade, at least one wiper blade adapter, and at least one wiper arm adapter, the wiper arm adapter being connectable to the wiper blade adapter along the longitudinal axis of the wiper blade adapter. Summary of the Invention
[0003] The present invention relates to a windshield wiper device having at least one wiper blade, at least one heating element disposed on the wiper blade, particularly integrated into the wiper blade, at least one wiper blade adapter, and at least one wiper arm adapter, the wiper arm adapter being connectable to the wiper blade adapter along the longitudinal axis of the wiper blade adapter.
[0004] The proposed windshield wiper device includes at least one electrical connection unit at least partially disposed on a wiper arm adapter and partially disposed on a wiper blade adapter. The electrical connection unit can be connected to or disconnected from at least one heating element by translational movement of the wiper blade adapter relative to the wiper arm adapter along or parallel to the longitudinal axis of the wiper blade adapter. The at least one wiper blade adapter has at least one electrical interface element that forms the electrical connection element of the at least one electrical connection unit and is immovably connected to the wiper blade relative to the at least one heating element.
[0005] "Windshield wiper device" should preferably be understood as at least a part, preferably a sub-structural component, of a windshield wiper. A windshield wiper device may also preferably include the entire windshield wiper. A windshield wiper device is preferably configured for mounting on a vehicle. A windshield wiper device is preferably configured for cleaning the glass on an opposing, preferably vehicle, surface. Preferably, the windshield wiper device is coupled to the wiper arm of the vehicle, preferably the vehicle, for cleaning the vehicle's glass. "Configured" should preferably be understood as specifically configured, specifically designed, and / or specifically equipped. Since an object is configured for a specific function, it should preferably be understood that the object satisfies and / or performs a specific function in at least one application and / or operating state. A windshield wiper device, particularly a wiper blade, preferably has at least one wiper strip unit. Preferably, the wiper strip unit has a wiper substrate with a wiper lip formed of at least one elastic material. "Operating state" should preferably be understood as a state in which the windshield wiper device is ready for the wiping process and / or wiping operation, and / or is in wiping operation, in which the wiper blade unit of the windshield wiper device is preferably guided on the vehicle glass and advantageously abuts against the vehicle glass.
[0006] The heating element is preferably an object that converts the transmitted energy, especially electrical energy, into heat and is configured to output the heat to its surrounding environment. The heating element is preferably arranged on at least one spring rail and / or at least one wiper blade unit of the wiper blade. Preferably, the heating element is configured for temperature-regulating spring rails and / or wiper blade units. Preferably, at least one heating element is constructed as a heating resistor. At least one heating element is formed, for example, from heating metal wire and / or heating film and / or particularly conductive heating ceramic and / or particularly conductive heating paste.
[0007] At least one wiper adapter preferably includes at least one adapter base, on which fluid connection elements are particularly arranged. The fluid connection elements are preferably material protrusions of at least one adapter base. The material protrusions of the at least one adapter base preferably define fluid channels. The fluid channels are preferably at least one channel-like recess and / or at least one channel defined by a hose-like and / or at least one tubular element, wherein the channel-like recess and / or the channel defined by the hose-like and / or tubular element are configured to guide fluid, preferably a cleaning liquid. At least one adapter base preferably has at least three fluid connection elements, particularly material protrusions defining fluid channels.
[0008] The wiper adapter preferably has at least one electrical interface element, such as a socket, plug, or connector. The wiper adapter preferably has multiple components that are fixedly, and particularly immovably, interconnected during the operation of the wiper adapter. At least one electrical interface element is preferably fixedly, and particularly immovably, connected to at least one other component of the wiper adapter. The components of the wiper adapter are preferably interconnected without tools, particularly with a force of less than 200 N, during the operation of the wiper adapter. The wiper adapter is preferably constructed without support elements that allow the components of the wiper adapter to be movably, for example, pivotally, and / or rotatably supported on other components of the wiper adapter. At least one electrical interface element is preferably immovably connected to a component of the wiper adapter relative to all other components of the wiper adapter, at least during the operation of the wiper adapter. At least one electrical interface element is preferably immovably connected to the wiper blade, at least during the operation of the wiper adapter. Preferably, at least one wiper blade adapter is non-movably connected to the wiper blade, at least during the operation of the wiper blade adapter. At least one electrical interface element is preferably an electrical connection element that forms an electrical connection unit on the wiper blade adapter.
[0009] The wiper arm adapter preferably has at least one additional electrical interface element (which is constructed in a manner complementary to the at least one electrical interface element), such as a suitable socket, a suitable plug, a suitable connector, etc. The at least one additional electrical interface element is preferably an additional electrical connection element formed on the electrical connection unit of the wiper arm adapter.
[0010] The wiper blade adapter, and especially the adapter base, is preferably connected, and especially electrically connected, to the wiper arm adapter along the longitudinal axis of the wiper blade adapter, and especially the adapter base. This connection is preferably made via a plug-in and / or snap-fit mechanism. The electrical connection unit is preferably connected or disconnected via translational movement of a separate electrical connection element on the wiper blade adapter relative to an electrical connection element on the wiper arm adapter along or parallel to the longitudinal axis of the wiper blade adapter.
[0011] Preferably, the connection of additional electrical connection elements on the wiper arm adapter to the electrical connection elements on the wiper arm adapter is achieved during the mechanical coupling of the wiper arm adapter and the wiper blade adapter. At least one electrical connection unit preferably electrically connects the heating element to an energy storage device, such as a rechargeable battery, and / or to a control unit for selectively supplying electrical energy from the energy storage device. The electrical connection to the energy storage device, particularly the supply of electrical energy to the energy storage device, is preferably connected to or disconnected from the heating element by translational movement of the electrical connection elements on the wiper blade adapter relative to the additional electrical connection elements on the wiper arm adapter along or parallel to the longitudinal axis of the wiper blade adapter. Preferably, the additional electrical connection elements on the wiper arm adapter are particularly fixedly connected to the energy storage device and / or the control unit via wires, such as cables.
[0012] The windshield wiper device according to the present invention allows for advantageous and uncomplicated installation. It also allows for advantageous and uncomplicated installation of the electrical connection unit. The installation process is advantageously time-saving and / or cost-saving. Power supply to the wiper blades is advantageously uncomplicated. Furthermore, the replaceability of the wiper blades is advantageously simplified.
[0013] Furthermore, it is proposed that at least one wiper blade adapter includes at least one adapter base, as particularly proposed, and at least one cover element fixedly connected to the adapter base, with at least one electrical connection element having an electrical connection unit arranged on the cover element. The at least one adapter base and at least one cover element are preferably interconnected by plugging and / or snapping. Preferably, the at least one adapter base and at least one cover element are fixedly, particularly fixedly, interconnected in the operating state of the wiper blade adapter. Preferably, the at least one adapter base and at least one cover element do not have support elements, particularly for movable mutual support. Preferably, the adapter base is fixedly, particularly fixedly, connected to the wiper blade, particularly at least one spring rail, windshield unit, and / or wiper strip unit. Preferably, at least one cover element is configured to retain the spring. Advantageously stable and / or durable multi-piece wiper blade adapters can be achieved.
[0014] Furthermore, it is proposed that at least one cover element guides at least one wire to supply electrical power to at least one heating element. Preferably, at least one electrical interface element is arranged on at least one cover element. Preferably, at least one electrical interface element is arranged between the cover element and the adapter base in at least one operating state of at least one wiper adapter. Preferably, at least one electrical interface element is connected to at least one cover element. Preferably, at least one cover element guides at least one wire of at least one cover element along the longitudinal axis of at least one cover element. Preferably, at least one wire is constructed as a cable, especially an insulated cable. Preferably, the “longitudinal axis” of the object should be understood as an axis extending parallel to the longest side of the smallest virtual cuboid that just completely surrounds the object. Preferably, at least one wire is connected to at least one cover element at at least one location. An advantageously secure electrical connection to at least one heating element can be achieved. It can be advantageously avoided that the wire must be manually arranged on the wiper adapter. Advantageous installation friendliness can be achieved.
[0015] Furthermore, it is proposed that the windshield wiper device has at least one adapter fitting for non-movably connecting to at least one adapter base, wherein the at least one adapter fitting has a wiper blade adapter channel and is configured not to guide at least one wire to supply electrical power to at least one heating element. Preferably, the wiper blade adapter includes at least one electrical interface element and at least one fluid connection element. Preferably, the adapter base includes three fluidly separated fluid connection elements. Preferably, at least one adapter fitting interconnects the at least three fluid connection elements. Preferably, at least one adapter fitting is provided with a connection for plugging and / or snapping and / or clamping and / or, for example, by welding to the adapter base to achieve material fusion. Preferably, at least one adapter fitting is constructed with a hollow space extending through at least 90% of the volume of the adapter fitting, and is particularly provided with a fluid connection element for fluidly connecting the adapter base. Preferably, the adapter fitting is arranged spaced apart from the wires of the wiper blade adapter. Preferably, especially in the operating state of the wiper blade adapter, at least one adapter fitting is arranged spaced apart from the wires, especially the insulation of the wires, especially the insulation of the wires on the cover element, by at least 1 mm, preferably at least 2 mm. Preferably, the adapter fittings are arranged spaced apart from the electrical interface elements of the wiper adapter. Preferably, especially during operation of the wiper adapter, at least one adapter fitting is arranged at least 1 mm, preferably at least 2 mm, spaced apart from the electrical interface elements. This allows for the advantageous and safe separation of the fluid and electrical components, particularly the wiring, of the wiper adapter.
[0016] Furthermore, it is proposed that at least one electrical interface element of the wiper adapter is configured for snap-fitting and / or plugging into at least one cover element. Alternatively, it is conceivable that at least one electrical interface element is integrally constructed with at least one cover element. "Integral" should be understood in particular as a connection of at least material fusion achieved, for example, by welding, bonding, injection molding, and / or other processes that are considered meaningful to those skilled in the art, and / or advantageously as formed in one article, for example by casting and / or by manufacturing by single-component or multi-component injection molding and advantageously by manufacturing a single blank. Preferably, at least one electrical interface element is nonmovably connected to at least one cover element. Preferably, at least one electrical interface element is fixedly connected to at least one wire on at least one cover element. Preferably, at least one electrical interface element is configured for snap-fitting and / or plugging into at least one cover element at an edge of at least one cover element. Preferably, in the operating state of the wiper adapter, at least one electrical interface element protrudes at least partially, particularly by at least 0.2 mm, from at least one cover element. Advantageous replaceability of the electrical connection unit on the wiper adapter can be achieved. It can provide favorable installation and / or maintenance conditions for the electrical connection unit.
[0017] Furthermore, it is proposed that at least one cover element defines at least one electrical channel, in which at least one wire is arranged. "Electrical channel" should preferably be understood as a channel extending along the surface of the component or within the component, constructed in a groove-like, recessed, or tunnel-like manner, wherein the electrical channel is configured to accommodate at least one electrical conductor. Preferably, the electrical channel extends at least 70% of the maximum extension of at least one cover element along the longitudinal axis of at least one cover element, particularly at least one wiper adapter's longitudinal axis. Preferably, at least one wire, particularly the wire, extends through the electrical channel. Particularly in the operating state of the wiper adapter, at least one electrical channel preferably terminates on the side of the cover element facing the wiper blade, particularly the heating element. Preferably, at least one wire extending through the electrical channel is connected to the heating element and the electrical interface element. Preferably, at least one electrical channel has at least one recess. At least one electrical channel is preferably constructed as two adjacent material protrusions, with at least one wire guided between the material protrusions. Alternatively, it is conceivable that the electrical channel is constructed as a tunnel through the cover element, particularly at least substantially closed, having at least one input end and at least one output end. It allows for the particularly advantageous separation of the electrical and fluid components of the wiper blade adapter. It also enables advantageous simplicity in the installation of the windshield wiper unit.
[0018] Furthermore, it is proposed that at least one wire is connected to at least one cover element by a snap-fit and / or adhesive connection to supply power to at least one wiper blade. The at least one wire is preferably adhesively, soldered, or clamped to the at least one cover element, particularly by snap-fit devices and / or clamping elements. Preferably, the insulation of at least one wire is inserted, adhesively, and / or clamped into the electrical channel. Preferably, at least one wire is adhered, clamped, or particularly snapped onto at least one location between the material protrusions forming the electrical channel. This allows for advantageous guidance of the wire through the wiper blade adapter.
[0019] Furthermore, it is proposed that at least one cover element does not have a fluid guiding element. Preferably, in each state of at least one wiper blade adapter, at least one cover element is arranged to be spaced at least 0.5 mm, preferably at least 1 mm, from the fluid channel. Preferably, the fluid guiding element is a component through which the fluid, especially the cleaning liquid, flows in at least one operating state. At least one cover element preferably defines a cover hollow space, especially in the operating state of at least one wiper blade adapter, at least one adapter base is at least partially arranged in the cover hollow space. At least one adapter fitting is preferably arranged in at least one cover hollow space in the operating state of the wiper blade adapter. At least one cover element is preferably shielded by at least one component in each operating state to prevent contact with the fluid, especially the cleaning liquid. Preferably, at least one cover element does not come into contact with the fluid guiding, especially the cleaning liquid, component of the windshield wiper device. Advantageously, the wiper blade adapter can be installed in a step-by-step manner.
[0020] Furthermore, it is proposed that the wiper blade adapter includes at least one adapter base, which has at least one fluid interface element, as mentioned in particular, for coupling with another fluid interface element, as mentioned in particular, arranged on at least one wiper arm adapter, and has no wires, and is immovably connected to the wiper blade relative to at least one heating element. Preferably, the adapter base has no possibility of connection for one, in particular, the wire. Preferably, the adapter base is configured for connection to the cover element, and the wire is connected to the cover element. Preferably, the adapter base and the cover element together form a mechanical interface element for mechanical interface connection with the wiper arm adapter. Preferably, at least one adapter base has no particularly mechanical interface element, which is configured for connection to electrical components, in particular wires and / or electrical interface elements, such as plugs, sockets, etc. Advantageously durable wiper blade adapter bases can be achieved, and adapter fittings and cover elements can be connected to the wiper blade adapter base.
[0021] Furthermore, a windshield wiper system is proposed, comprising at least one windshield wiper device and at least one wiper arm. Preferably, the wiper arm includes at least one electrical supply line connected to an electrical storage device. The wiper arm preferably includes at least one fluid delivery line connected to a fluid reservoir. This allows for an advantageous combination of the wiper blades and wiper arm for the electrical connection unit.
[0022] The windshield wiper device and / or windshield wiper system according to the present invention should not be limited to the applications and embodiments described above. The windshield wiper device and / or windshield wiper system according to the present invention can, in particular, have quantities different from the quantities mentioned herein for the functional manner described therein. Furthermore, values within the ranges specified in this disclosure should also be considered disclosed and are considered to be freely usable. Attached Figure Description
[0023] Further advantages are described in the following figures, in which embodiments of the invention are illustrated. The figures, description, and claims contain a large number of combined features. Those skilled in the art will also readily observe these features individually and generalize them into other meaningful combinations.
[0024] in:
[0025] Figure 1 A glass wiper system according to the present invention is illustrated in schematic diagram;
[0026] Figure 2 The electrical connection unit of the glass wiper device according to the present invention is illustrated in schematic diagram. Detailed Implementation
[0027] Figure 1 A windshield wiper system 40 is shown. The windshield wiper system 40 includes at least one windshield wiper device 10. The windshield wiper system 40 includes at least one wiper arm 12.
[0028] The windshield wiper device 10 includes at least one wiper blade 14. The windshield wiper device 10, and especially the wiper blade 14, includes at least one wiper blade adapter 18. The windshield wiper device 10, and especially the wiper blade 14, includes a wiper strip unit 32. The windshield wiper device 10, and especially the wiper blade 14, includes two spring rails 34, 34'. The windshield wiper device 10, and especially the wiper blade 14, includes a wind deflector unit 36, which includes at least two spoilers 52, 52'.
[0029] The windshield wiper assembly 10 includes at least one heating element 16, 16' disposed on, and particularly integrated into, the wiper blade 14. The windshield wiper assembly 10 includes two heating elements 16, 16'. The two heating elements 16, 16' are disposed between the wind deflector unit 36, particularly the spoilers 52, 52', and the spring rails 34, 34'. In the operating state of the wiper blade 14, the two heating elements 16, 16' are partially integrated into the wind deflector unit 36, particularly into the spring rail receiving portion 20 of the wind deflector unit 36. In the operating state of the wiper blade 14, the two heating elements 16, 16' rest planarly against the spring rails 34, 34'.
[0030] The windshield wiper device 10 includes at least one wiper fluid channel 46, 46' arranged on the wiper blade 14, and particularly integrated into the wiper blade 14. The wiper fluid channels 46, 46' are integrated into the deflectors 52, 52' of the windshield unit 36.
[0031] The wiper arm 12 includes at least one electrical supply line 22. The electrical supply line 22 is configured to direct current from an electrical storage device (not shown) to the heating element 16. The wiper arm 12 includes at least one fluid delivery line 26. The fluid delivery line 26 is configured to direct fluid, particularly cleaning liquid, from a fluid reservoir (not shown) to the wiper blade fluid channels 46, 46'.
[0032] A mechanical interface 62 for a wiper arm adapter 50 is arranged on the wiper arm 12. The wiper arm adapter 50 includes the mechanical interface 62 of the wiper arm 12, particularly the arrangement of recesses on the ends of the wiper arm 12, which forms a key-tooth-shaped outer contour of the wiper arm 12. The mechanical interface 62 is integrally constructed with the wiper arm 12. The mechanical interface 62 is provided for mechanical coupling between the wiper blade adapter 50 and the wiper blade adapter 18.
[0033] Figure 2 As shown, the windshield wiper device 10 includes at least one wiper arm adapter 50. The wiper arm adapter 50 preferably includes an additional fluid interface element 66. The wiper arm adapter 50 preferably includes a wiper arm adapter cover element 44, which is specifically provided for covering the additional fluid interface element 66 of the wiper arm adapter 50. The wiper arm adapter 50 includes an additional electrical interface element 42. The additional electrical interface element 42 is electrically connected to the power supply line 22. The additional electrical interface element 42 is integrally constructed with the wiper arm adapter cover element 44.
[0034] The additional electrical interface element 42 is constructed with a double plug. The additional electrical interface element 42 is configured for releasable coupling, particularly plugging, with the wiper blade adapter 18, especially the electrical interface element 28 of the wiper blade adapter 18. The wiper arm adapter cover element 44 is fixedly, particularly immovably, connected to the wiper arm 12. The wiper arm adapter 50 is fixedly connected to the wiper arm 12. The additional electrical interface element 42 forms another electrical connection element of the electrical connection unit 38.
[0035] Contemplate that the wiper arm adapter cover element 44 is rotatably connected to an additional fluid interface element 66. Contemplate that the wiper arm adapter cover element 44, and especially the additional electrical interface element 42, allows vertical movement of the additional fluid interface element 66. The additional fluid interface element 66 has a base, a first connecting sleeve, and a second connecting sleeve. The first connecting sleeve is fluidly connected to the second connecting sleeve via a channel guide (not shown further) in the base. The first connecting sleeve is configured for direct coupling to the fluid delivery line 26. The second connecting sleeve is configured for releasable coupling to the wiper blade adapter 18.
[0036] The wiper adapter 18 is immovable relative to the wiper blade 14. The wiper adapter 18 includes an adapter base 54. The wiper adapter 18 includes an adapter accessory 56. The wiper adapter 18 includes a cover element 60. At least one wiper adapter 18 includes at least one adapter base 54 and at least one cover element 60 immovably connected to the adapter base 54, on which at least one electrical connection element, particularly an electrical interface element 28, of the electrical connection unit 38 is arranged.
[0037] At least one wiper adapter 18 has at least one electrical interface element 28. The electrical interface element 28 is non-movably connected to the wiper adapter 18, and in particular the wiper blade 14, relative to at least one heating element 16, 16'. The electrical interface element 28 forms an electrical connection element of at least one electrical connection unit 38. The electrical interface element 28 is connected to a cover element 60. At least one electrical interface element 28 is configured for snap-fitting and / or plugging into at least one cover element 60.
[0038] The adapter base 54 is spaced at least 1 mm from the electrical interface element 28. The adapter fitting 56 is spaced at least 1 mm from the electrical interface element 28. The electrical interface element 28 is connected to one, or more particularly two, heating elements 16, 16' via wires 30. The wires 30 are guided by a cover element 60. At least one cover element 60 has no fluid-carrying elements. In particular, the cover element 60 has no confined fluid lines.
[0039] At least one cover element 60 guides at least one wire 30 to supply electrical power to at least one heating element 16, 16'. At least one cover element 60 defines at least one electrical channel 48, on which or in which at least one wire 30 is arranged. At least one electrical channel 48 may be configured as a completely closed cable channel. At least one electrical channel 48 may be configured as a cable channel that is at least partially open and / or completely open between two material protrusions of the cover element 60.
[0040] To supply power to at least one wiper blade 14, at least one wire 30 is connected to at least one cover element 60 via a snap-fit and / or adhesive connection. It is conceivable that at least one wire 30 is at least partially secured to or within the electrical channel 48 via a snap-fit and / or adhesive connection. An adapter base 54 is spaced at least 1 mm from the wire 30. An adapter fitting 56 is spaced at least 1 mm from the wire 30.
[0041] The wiper blade adapter 18 includes at least one adapter base 54 having at least one fluid interface element 64 for coupling to another fluid interface element 66 disposed on at least one wiper arm adapter 50. The adapter base 54 has two additional fluid interface elements 64', 64''. The two additional fluid interface elements 64', 64'' are configured to connect to wiper blade fluid channels 46, 46' in the windshield unit.
[0042] The adapter base 54 has no wires. The adapter base 54 is nonmovably connected to the wiper blade 14, particularly the spring rails 34, 34' and / or the wind deflector unit 36 with respect to at least one heating element 16, 16'.
[0043] The windshield wiper device 10, and particularly the wiper blade adapter 18, includes at least one adapter accessory 56 for non-movably connecting to at least one adapter base 54. The at least one adapter accessory 56 has a wiper blade adapter channel 58.
[0044] The adapter accessory 56 is connected to the adapter base 54 without guiding at least one wire to supply power to at least one heating element 16, 16'. The adapter accessory 56 is permanently connected to the adapter base 54.
[0045] The windshield wiper device 10 includes at least one electrical connection unit 38, which is at least partially disposed on the wiper arm adapter 50 and partially disposed on the wiper blade adapter 18. The electrical connection unit 38 can be connected to or disconnected from at least one heating element 16, 16' by translational movement of the wiper blade adapter 18 relative to the wiper arm adapter 50 along or parallel to the longitudinal axis 24 of the wiper blade adapter 18.
[0046] Electrical interface element 28 forms an electrical connection element of fluid connection unit 38 arranged on wiper adapter 18. Electrical interface element 28 is configured as a socket. Electrical interface element 28 is configured as a socket complementary to another electrical interface element 66 of wiper arm adapter 50.
[0047] The wires 30, guided by the cover element 60, form the electrical connection elements of the electrical connection unit 38. At least one heating element 16, 16' can be connected to and / or disconnected from the electrical storage via the wires 30, the electrical interface element 28, and the additional electrical interface element 42. The wires 30, the electrical interface element 28, and the additional electrical interface element 42 form the electrical connection unit 38, particularly the electrical connection unit 38 having the power supply line 22.
[0048] Electrical connection unit 38 can be connected to or disconnected from at least one heating element 16, 16' by translational movement of wiper blade adapter 18 relative to wiper arm adapter 50 along or parallel to the longitudinal axis 24 of wiper blade adapter 18, wherein, in particular, an additional electrical interface element 42 on wiper arm adapter 50 forms a particularly releasable plug-in connection with electrical interface element 28 on wiper blade adapter 18.
[0049] The windshield wiper device 10 additionally includes at least one fluid connection unit 68, at least partially disposed on the wiper arm adapter 50 and partially disposed on the wiper blade adapter 18. The fluid connection unit 68 connects a fluid reservoir (not shown) to wiper blade fluid channels 46, 46', which are integrated into the windshield unit 36. Particularly during operation of the wiper blade adapter 18, the fluid connection unit 68 connects the fluid reservoir (not shown) to the wiper blade fluid channels 46, 46' via translational movement of the wiper blade adapter 18 relative to the wiper arm adapter 50. The fluid connection unit 68 can be connected to or disconnected from at least one heating element 16, 16' via translational movement of the wiper blade adapter 18 relative to the wiper arm adapter 50 along or parallel to the longitudinal axis 24 of the wiper blade adapter 18.
[0050] The wiper arm adapter 50 can be mechanically and / or fluidly and electrically connected to the wiper blade adapter 18 along the longitudinal axis 24 of the wiper blade adapter 18. It is conceivable that fluid and mechanical and electrical connections can be simultaneously realized or separated.
[0051] It is conceivable that the wiper blade adapter 18 is movably positioned on at least one spring rail 34, 34'. It is conceivable that the wiper blade adapter 18 and / or the deflector unit 36 are snapped or welded to at least one spring rail 34, 34'. It is conceivable that the deflector unit 36 is inserted into a material protrusion on the wiper blade adapter 18, particularly a material protrusion having a fluid outlet end. It is conceivable that the adapter fitting 56 is snapped or welded to the adapter base 54.
[0052] It is conceivable that the wiper blade 14, and especially the windshield unit 36, is equipped with devices for spraying onto the windshield and / or for electrically heating the wiper blade 14. It is conceivable that the cover element 60 is equipped with devices for guiding electricity from the wiper arm 12 to the wiper blade 14. It is conceivable that the wiper blade adapter 18 is equipped with devices for establishing a water connection from the wiper arm 12 to the wiper blade 14.
[0053] As is conceivable, the wiper arm adapter 50 has two coupling elements. The first coupling element of the wiper arm adapter 50, in particular an additional electrical interface element 42, is used for electrical connection. The second coupling element of the wiper arm adapter 50, in particular an additional fluid interface element 66, is used for water connection. The two coupling elements, in particular the additional fluid interface element 66 and the additional electrical interface element 42, are interconnected. The additional electrical interface element 42 is fixedly connected to the wiper arm 12, in particular by plugging and / or snapping and / or gluing and / or welding. The additional fluid interface element 66 is movably connected to the additional electrical interface element 62, in particular by a groove, and can transfer water from the wiper arm 12 to the wiper blade 14. The additional electrical interface element 42 can follow the rotational movement of the wiper arm 12. The additional fluid interface element 66 cannot follow the rotational movement of the wiper arm 12.
Claims
1. A glass wiper device comprising at least one wiper blade (14), at least one heating element (16, 16') arranged on the wiper blade (14), at least one wiper blade adapter (18), and at least one wiper arm adapter (50), the wiper arm adapter being connectable to the wiper blade adapter (18) along the longitudinal axis (24) of the wiper blade adapter (18), characterized in that At least one electrical connection unit (38) is at least partially disposed on the wiper arm adapter (50) and partially disposed on the wiper blade adapter (18), the electrical connection unit being capable of connecting or disconnecting from at least one heating element (16, 16') by translational movement of the wiper blade adapter (18) relative to the wiper arm adapter (50) along or parallel to the longitudinal axis (24) of the wiper blade adapter (18), wherein at least one wiper blade adapter (18) has at least one electrical interface element (28), the electrical interface element forming an electrical connection element of at least one electrical connection unit (38) and being immovably connected to the wiper blade (14) relative to at least one heating element (16, 16'). The connection includes at least one wiper adapter (18) comprising at least one adapter base (54) and at least one cover element (60) nonmovably connected to the adapter base (54), on which at least one electrical connection element of an electrical connection unit (38) is arranged, the at least one cover element (60) guiding at least one wire (30) to supply electrical power to at least one heating element (16, 16'), the at least one cover element (60) having no fluid guiding element, the adapter base (54) having at least one fluid interface element (64) for coupling with another fluid interface element (66) arranged on at least one wiper arm adapter (50).
2. The glass wiper device according to claim 1, characterized in that, The at least one heating element is integrated into the wiper blade (14).
3. The glass wiper device according to claim 1, characterized in that, The windshield wiper device also has at least one adapter accessory (56) for non-movably connecting to at least one adapter base (54), wherein at least one adapter accessory (56) has a wiper blade adapter channel (58) and is connected to the adapter base (54) without guiding at least one wire to supply power to at least one heating element (16, 16').
4. The glass wiper device according to claim 1, characterized in that, The at least one electrical interface element (28) is configured to snap and / or plug with at least one cover element (60).
5. The glass wiper device according to claim 1, characterized in that, The at least one covering element (60) defines at least one electrical channel (48) in which at least one wire (30) is arranged.
6. The glass wiper device according to claim 1, characterized in that, At least one wire (30) is connected to at least one cover element (60) by snap-fit and / or adhesive connection in order to supply power to at least one wiper blade (14).
7. The windshield wiper device according to any one of the preceding claims, characterized in that, The adapter base has no wires and is nonmovably connected to the wiper blade (14) relative to at least one heating element (16, 16').
8. A windshield wiper system having at least one windshield wiper device (10) according to any one of the preceding claims and at least one wiper arm (12).
Citation Information
Patent Citations
Flat wiper blade
EP2272727A2