Windscreen wiper system for vehicle and vehicle
By incorporating guide rails and A-pillar housings at the upper and lower edges of the windshield, the existing wiper system addresses the issues of insufficient coverage and easy aging associated with windshield wipers, achieving both full-coverage cleaning and extended lifespan.
Patent Information
- Application Number
- CN202410520705.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2025-10-28
Smart Images
Figure CN120840549A_ABST
Abstract
Description
Technical Field
[0001] This disclosure relates to the field of vehicles, and more particularly to a windshield wiper system for vehicles. This disclosure also relates to a corresponding vehicle. Background Technology
[0002] In recent years, with technological advancements and improved living standards, more and more people are choosing vehicles as their mode of transportation. To improve driver visibility and enhance driving safety, windshield wipers are used to remove rainwater and dirt adhering to the windshield.
[0003] Currently, existing windshield wipers typically move in a reciprocating arc around a pivot point located at the lower edge of the windshield to wipe the curved area of the windshield and push rainwater or dirt away from it. However, the wiping range of such wipers does not cover the entire windshield, and the wiped rainwater or dirt tends to accumulate at the edges and corners of the windshield. This fails to achieve a completely clean windshield and negatively impacts the driver's visibility, thus reducing driving safety. Furthermore, existing wipers are constantly exposed to the external environment, which not only detracts from the vehicle's appearance but also accelerates wiper aging and deformation, significantly reducing the wiper's lifespan.
[0004] Public content
[0005] Therefore, the purpose of this disclosure is to provide an improved windshield wiper system for vehicles that reliably achieves complete cleaning of the windshield during operation, thereby advantageously improving driver visibility and enhancing vehicle driving safety. Furthermore, the wiper system also improves the vehicle's appearance, prevents wiper blade deformation, and significantly extends its service life. Another purpose of this disclosure is to provide a corresponding vehicle.
[0006] According to a first aspect of this disclosure, a windshield wiper system for a vehicle is provided, wherein the windshield wiper system includes at least:
[0007] - At least one windshield wiper;
[0008] - Two guide rails are respectively arranged at the upper and lower edges of the windshield of the vehicle, and the longitudinal end of the wiper is embedded in the guide rails;
[0009] - At least one motor, said motor being configured to drive the windshield wiper to reciprocate along the guide rail; and
[0010] - At least one receiving device, the receiving device being disposed at the A-pillar of the vehicle adjacent to the windshield and configured to accommodate the windshield wiper.
[0011] Compared to existing technologies, in the wiper system according to this disclosure, the wipers reciprocate horizontally along guide tracks arranged at the upper and lower edges of the windshield under the drive of a motor, so that the wiping range of the wipers covers the entire windshield. This enables complete cleaning of the windshield and prevents residual rainwater and dirt from accumulating at the edges and corners of the windshield. The wipers can be housed in a receiving device arranged at the A-pillar, so that the wipers are hidden in the receiving device when the wiper system is not in operation, and light cannot directly shine on the wipers. This not only achieves a cleaner appearance for the vehicle, but also prevents the wipers from aging and deforming under prolonged direct sunlight, thereby improving the working performance of the wipers and extending their service life.
[0012] According to an exemplary embodiment of this disclosure, the receiving device is constructed integrated with the A-pillar; and / or, the receiving device is constructed as a receiving cavity extending from the A-pillar.
[0013] According to an exemplary embodiment of this disclosure, the receiving device is provided with a sealing cover, which closes the receiving opening of the receiving device during the reciprocating motion of the windshield wiper.
[0014] According to an exemplary embodiment of this disclosure, the receiving device is provided with a filter layer at the receiving opening to filter out dirt and / or water when the windshield wiper enters the receiving cavity through the receiving opening.
[0015] According to an exemplary embodiment of this disclosure, the receiving device is provided with a drain hole at its lower end.
[0016] According to an exemplary embodiment of this disclosure, the windshield wiper is configured to extend and retract in the longitudinal direction to adapt to the distance between the guide rails.
[0017] According to an exemplary embodiment of the present disclosure, the windshield wiper system includes two receiving devices and two wipers, wherein the receiving devices are respectively arranged at two A-pillars opposite each other in the vehicle, and the wipers are respectively received in the respective receiving devices in the non-operating state and reciprocate between their respective receiving devices and a stop line located in the area of the windshield in the operating state.
[0018] According to an exemplary embodiment of the present disclosure, the windshield wiper has a first stop line and a second stop line in the operating state, the first stop line and the second stop line being located on both sides of the center line of the windshield and operating alternately according to the reciprocating frequency of the windshield wiper; and / or, the windshield wiper system is symmetrically constructed about the center line of the windshield.
[0019] According to an exemplary embodiment of this disclosure, the wiper system includes two motors, which are respectively used to drive the upper end and lower end of the wiper to move along corresponding guide tracks; and / or, the motors are configured to drive the wiper to reciprocate multiple times at a maximum permissible speed after receiving a stop command for the wiper system.
[0020] According to a second aspect of this disclosure, a vehicle is provided, wherein the vehicle has a windshield wiper system according to this disclosure. Attached Figure Description
[0021] The principles, features, and advantages of this disclosure will be better understood below with reference to the accompanying drawings. The drawings include:
[0022] Figure 1 A schematic view of a windshield wiper system for a vehicle according to an exemplary embodiment of the present disclosure is shown;
[0023] Figure 2 It shows Figure 1 A schematic cross-sectional view along section line AA;
[0024] Figure 3 A schematic view of a windshield wiper system for a vehicle according to another exemplary embodiment of the present disclosure is shown;
[0025] Figures 4a to 4c Schematic views of different operating positions of a wiper system according to an exemplary embodiment of the present disclosure are shown. Detailed Implementation
[0026] To make the technical problems to be solved, the technical solutions, and the beneficial technical effects of this disclosure clearer, the disclosure will be further described in detail below with reference to the accompanying drawings and several exemplary embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of protection of this disclosure.
[0027] This specification provides the operational steps for the methods described in the embodiments or flowcharts, but based on conventional or non-inventive labor, more or fewer operational steps may be included. The order of steps listed in the embodiments is merely one possible execution order among many and does not represent the only possible execution order.
[0028] It should be understood that the terms "first," "second," etc., used herein are for descriptive purposes only and should not be construed as indicating or implying relative importance, nor should they be construed as implicitly specifying the number of technical features indicated. Features specified as "first" or "second" may expressly or implicitly indicate that at least one of those features is included.
[0029] In the description of this embodiment, the orientation or positional relationship such as "up", "down", "left", and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.
[0030] Figure 1 A schematic view of a windshield wiper system 100 for a vehicle, arranged at a windshield 200 at the front of the vehicle, is shown according to an exemplary embodiment of the present disclosure.
[0031] like Figure 1 As shown, the wiper system 100 includes at least one wiper 10 and two guide rails 20 respectively arranged at the upper and lower edges of the windshield 200 of the vehicle. The two longitudinal ends of the wiper 10 are respectively engaged in the corresponding guide rails 20, so that the wiper 10 can be translated along the guide rails 20 and the ends of the wiper 10 are prevented from dislodging from the guide rails 20. This enables the windshield 200 to be completely cleaned and avoids the accumulation of residual rainwater and dirt at the edges and corners of the windshield 200. In particular, the two longitudinal ends of the wiper 10 can be configured as ball bearings. Here, since the windshield 200 of a vehicle is usually not a regular planar rectangle, but a curved surface with a certain curvature, in order to ensure that the wiper 10 always adheres to the windshield 200 during its movement along the guide rail 20, the wiper 10 is specifically constructed to be retractable in the longitudinal direction to adapt to the distance between the two guide rails 20. The wiper 10 may, for example, have two nested halves and a compression spring disposed between these two halves. When the distance between the guide rails 20 increases, the compression spring causes the two halves to move away from each other and extends the wiper 10 in the longitudinal direction. Of course, other configurations of the wiper 10 that are considered meaningful by those skilled in the art are also possible.
[0032] like Figure 1As shown, the wiper system 100 includes at least one motor 30 configured to drive the wiper 10 to reciprocate horizontally along the guide rail 20. The rotational motion of the output shaft of the motor 20 is converted into translational motion of the wiper 10, for example, via belt drive or gear drive. The wiping speed of the wiper 10 can be adjusted accordingly by controlling the rotational speed of the output shaft of the motor 20. In particular, the rotational speed of the output shaft of the motor 20 can be set in stages to achieve multiple selectable wiping levels for the wiper 10. Specifically, the wiper system 100 includes two motors 30, which respectively drive the upper and lower ends of the wiper 10 to move along their respective guide rails 20. This avoids the problem of a single end of the wiper 10 getting stuck and reliably achieves smooth and unobstructed movement of the wiper 10 along the guide rail 20.
[0033] like Figure 1 As shown, the wiper system 100 includes a receiving device 40 disposed at the A-pillar 300 adjacent to the windshield 200 and configured to receive the wiper 10. This allows the wiper 10 to be completely covered by the receiving device 40 when not in operation, preventing the wiper 10 from being directly visible and sunlight from directly hitting it. This achieves a cleaner vehicle appearance and prevents the wiper 10 from aging and deforming under prolonged direct sunlight, thereby improving the performance of the wiper 10 and extending its service life. Within the framework of this disclosure, "at the A-pillar" should be understood as within the area of the A-pillar, and may be on top of, beside, or within the A-pillar.
[0034] Figure 2 It shows Figure 1 A schematic cross-sectional view along section line AA, which at least partially extends through the A-pillar 300 and the receiving device 40 of the wiper system 100.
[0035] For example, such as Figure 2 As shown, the receiving device 40 is configured as a receiving cavity 41 extending from the A-pillar 300, such that the receiving cavity 41 of the receiving device 40 is directly arranged on the A-pillar 300. This allows for a compact structure of the receiving device 40 while ensuring the strength requirements of the A-pillar 300. The vehicle's windshield 200 can be mounted between the two A-pillars 300. The receiving cavity 41 has a receiving opening 42 through which the windshield wiper 10 can enter and exit the receiving cavity 41. In particular, the receiving device 40 can be integrated with the A-pillar 300, such that the receiving device 40 and the A-pillar 300 are manufactured from the same material in a single process step. This enables cost-effective manufacturing of the receiving device 40 and eliminates the need for additional assembly steps.
[0036] For example, the housing 40 may also be constructed separately from the A-pillar 300 from the same or different materials and secured together by additional assembly steps, such as bonding or welding.
[0037] For example, the receiving device 40 may also be configured as a side recess in the A-pillar 300, which can save the volume occupied by the receiving device 40 and give the wiper system 100 a clean appearance.
[0038] For example, such as Figure 2 As shown, the receiving device 40 is also provided with a sealing cover 43, which is configured to open and close. When the windshield wiper 10 starts or stops operating, the sealing cover 43 opens, allowing the wiper 10 to enter and exit the receiving cavity 41. When the wiper 10 is not operating, and during the reciprocating motion of the wiper 10, the sealing cover 43 keeps the receiving opening 42 of the receiving device 40 closed to prevent rainwater and / or dirt from entering the receiving cavity 41 and to prevent the wiper 10 from being exposed to sunlight. Here, the sealing cover 43 can be driven by a specially designed small motor.
[0039] Exemplarily, the receiving device 40 may also be provided with a filter layer at the receiving opening 42. When the operation of the wiper 10 ends, the filter layer filters out dirt and / or water as the wiper 10 enters the receiving cavity 41 through the receiving opening 42, so that dirt and / or water remaining on the wiper 10 are kept outside the receiving cavity 41, thereby keeping the receiving cavity 41 as clean and dry as possible. Here, the filter layer may in particular be constructed as a filter curtain composed of a plurality of densely arranged plastic strips and arranged spaced apart from the closing cover 43. Of course, other configurations that are considered meaningful by those skilled in the art are also possible.
[0040] For example, the receiving device 40 is provided with a drain hole at its lower end. Water brought into the receiving cavity 41 by the windshield wiper 10 will accumulate at the lower end of the receiving device 40 under the action of gravity and flow to the external environment or a water collection device through the drain hole. This can reliably prevent water from accumulating in the receiving cavity 41.
[0041] Figure 3 A schematic view of a windshield wiper system 100 for a vehicle according to another exemplary embodiment of the present disclosure is shown. Figures 4a to 4c Schematic views of different operating positions of a wiper system 100 according to an exemplary embodiment of the present disclosure are shown.
[0042] like Figure 3As shown, the windshield wiper system 100 includes two receiving devices 40, namely a first receiving device 401 and a second receiving device 402, and two wipers 10, namely a first wiper 11 and a second wiper 12. The two receiving devices 40 are respectively arranged on the left and right sides of the windshield 200 at two opposing A-pillars 300 of the vehicle. The first receiving device 401 is arranged at the left A-pillar and the second receiving device 402 is arranged at the right A-pillar. When not in operation, the two wipers 10 are respectively housed in their respective receiving devices 40. The first wiper 11 is associated with the left first receiving device 401, and the second wiper 12 is associated with the right second receiving device 402. Here, in the operating state of the wiper system 100, the first wiper 11 and the second wiper 12 can be moved out from their respective receiving devices 40 under the drive of the motor 30, and reciprocate along the guide rail 20 between their respective receiving devices 40 and a stop line located in the area of the windshield 200, wherein the wiper 10 changes its direction of movement when it reaches the stop line. Within the framework of this disclosure, the "stop line" is a virtual line set for the movement of the wiper 10, rather than a physical line, and the position of the virtual line can be pre-stored in the controller for the motor 30 and is adjustable.
[0043] For example, such as Figures 4a to 4c As shown, the windshield wiper 10 has a first stop line T1 and a second stop line T2 in operation. These two stop lines are located on both sides of the center line Z of the windshield 200. The first stop line T1 and the second stop line T2 alternately operate according to the reciprocating frequency of the windshield wiper 10. Specifically, the first wiper 11 starts from the first receiving device 401 and the second wiper 12 starts from the second receiving device 402, moving towards each other towards the center line Z of the windshield 200. Figure 4a As shown, the arrows represent the movement directions of each wiper; when the first stop line T1 is reached, the first wiper 11 and the second wiper 12 change their movement directions and move away from each other, as shown. Figure 4b As shown; after reaching their respective receiving devices 40, the first wiper 11 and the second wiper 12 change their direction of movement again and move towards each other toward the center line Z of the windshield 200 until they reach the second stop line T2 and then change their direction of movement again, as shown. Figure 4cAs shown. This effectively prevents water and dirt from accumulating at the center line Z of the windshield 200, thereby improving the wiping effect of the wiper system 100. Here, the first stop line T1 is located at a predetermined distance to the left of the center line Z, and the second stop line T2 is located at a predetermined distance to the right of the center line Z. The predetermined distance can be, for example, in the range of 5cm to 10cm. In particular, it is conceivable that the wiper system 100 is constructed symmetrically about the center line Z of the windshield 200, which simplifies the manufacturing and assembly of the wiper system 100.
[0044] For example, the motor 30 is controlled such that, upon receiving a stop command for the wiper system 100, it drives the wiper 10 to reciprocate multiple times at the maximum permissible speed, particularly within a small range, thereby using inertia to shake off water and / or dirt adhering to the wiper 10, thus minimizing moisture or contamination of the receiving cavity 41 of the receiving device 40.
[0045] The foregoing description of the embodiments is limited to the framework of the examples described herein. Of course, the various features of the embodiments can be freely combined with each other without departing from the framework of this disclosure, as long as it is technically meaningful.
[0046] Other advantages and alternative embodiments of this disclosure will be apparent to those skilled in the art. Therefore, this disclosure is not, in its broader sense, limited to the specific details, representative structures, and exemplary embodiments shown and described. Rather, those skilled in the art can make various modifications and substitutions without departing from the basic spirit and scope of this disclosure.
Claims
1. A windshield wiper system (100) for a vehicle, characterized in that, The wiper system (100) includes at least: - At least one windshield wiper (10); - Two guide rails (20) are respectively arranged at the upper and lower edges of the windshield (200) of the vehicle, and the longitudinal end of the wiper (10) is embedded in the guide rails (20); - At least one motor (30), said motor (30) being configured to drive the windshield wiper (10) to reciprocate along the guide rail (20); and - At least one receiving device (40) is arranged at the A-pillar (300) of the vehicle adjacent to the windshield (200) and is configured to receive the windshield wipers (10).
2. The wiper system (100) according to claim 1, characterized in that, The receiving device (40) is constructed integratedly with the A-pillar (300); and / or The receiving device (40) is configured as a receiving cavity (41) extending from the A-pillar (300).
3. The wiper system (100) according to claim 1 or 2, characterized in that, The receiving device (40) is provided with a sealing cover (43), which closes the receiving opening (42) of the receiving device (40) during the reciprocating motion of the windshield wiper (10).
4. The wiper system (100) according to any one of the preceding claims, characterized in that, The receiving device (40) is provided with a filter layer at the receiving opening (42) to filter out dirt and / or water when the wiper (10) passes through the receiving opening (42).
5. The wiper system (100) according to any one of the preceding claims, characterized in that, The receiving device (40) has a drain hole at its lower end.
6. The wiper system (100) according to any one of the preceding claims, characterized in that, The wiper (10) is configured to extend and retract in the longitudinal direction to accommodate the distance between the guide rails (20).
7. The wiper system (100) according to any one of the preceding claims, characterized in that, The wiper system (100) includes two receiving devices (40) and two wipers (10), wherein the receiving devices (40) are respectively arranged at two A-pillars (300) opposite to each other of the vehicle, and the wipers (10) are respectively housed in the respective receiving devices (40) in the non-operating state and reciprocate between their respective receiving devices (40) and a stop line located in the area of the windshield (200) in the operating state.
8. The wiper system (100) according to claim 7, characterized in that, The windshield wiper (10) is provided with a first stop line (T1) and a second stop line (T2) in the operating state. The first stop line (T1) and the second stop line (T2) are located on both sides of the center line (Z) of the windshield (200) and operate alternately according to the reciprocating frequency of the windshield wiper (10); and / or The wiper system (100) is constructed symmetrically about the centerline (Z) of the windshield (200).
9. The wiper system (100) according to any one of the preceding claims, characterized in that, The wiper system (100) includes two motors (30), which are used to drive the upper and lower ends of the wiper (10) to move along corresponding guide rails (20); and / or The motor (30) is configured to drive the wiper (10) to reciprocate multiple times at the maximum permissible speed after receiving a stop command for the wiper system (100).
10. A vehicle, characterized in that, The vehicle has a wiper system (100) according to any one of claims 1 to 9.