CN113682239A

CN113682239A - Vehicle rearview mirror assembly with self-shielding function and vehicle

Info

Publication number: CN113682239A
Application number: CN202111129992.4A
Authority: CN
Inventors: 施皆佩
Original assignee: Weilai Automobile Technology Anhui Co Ltd
Current assignee: Weilai Automobile Technology Anhui Co Ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2021-11-23
Also published as: WO2023045824A1

Abstract

The invention relates to the technical field of vehicles, and aims to solve the problem of surface dust in the scene detection part of the vehicle. The invention provides a vehicle rearview mirror assembly and a vehicle with a self-shielding function. The vehicle rearview mirror assembly includes a base , a folding body, a driving motor, a first transmission mechanism and a scene detection device, the folding body is rotatably arranged on the base, the driving motor is arranged on the base and can drive the folding body to rotate relative to the base through the first transmission mechanism, The scene detection device is arranged in the folded body and the detection part is exposed from the folded body. The rearview mirror assembly also includes a second transmission mechanism and a blocking member. The second transmission mechanism is directly driven by the drive motor or indirectly driven by the first transmission mechanism to drive the blocking member. When the folding body is driven to the folded state by the first transmission mechanism, the shielding member is driven by the second transmission mechanism to a position where the detection part can be shielded, so as to ensure the detection accuracy of the scene detection device and improve the safety of the vehicle.

Description

Vehicle rearview mirror assembly with self-shielding function and vehicle

Technical Field

The invention relates to the technical field of vehicles, in particular to a rearview mirror assembly of a vehicle and the vehicle.

Background

The automatic driving vehicle can realize 360-degree sensing of the surrounding environment through multiple sensors, and autonomous navigation is carried out, so that passengers are led to reach the destination. The laser radar is an essential important perception component in the automatic driving system of the vehicle, is generally arranged at the front side position of the vehicle, and can be used for obtaining the global position of the vehicle on a high-precision map and various parameters in the driving process. The surface of the lens is not easy to accumulate dust due to the rapid flow of air in the running process of the vehicle. However, after the vehicle stops, the surface of the laser radar or the camera is exposed outside for a long time, and the generated dust is accumulated to influence the detection definition of the laser radar or the camera, so that the safety of the vehicle in the automatic driving process is reduced, and the experience of customers is reduced.

Therefore, there is a need in the art for a new vehicle mirror assembly with self-shielding function and a vehicle to solve the above problems.

Disclosure of Invention

The present invention is directed to solving the above-described technical problem, i.e., solving the problem of surface deposition of the laser radar or the camera of the vehicle.

The invention provides a vehicle rearview mirror assembly with a self-shielding function and a vehicle, wherein the vehicle rearview mirror assembly comprises a base, a folding body, a driving motor, a first transmission mechanism and a scene detection device, the folding body is rotatably arranged on the base, the driving motor is arranged on the base and can drive the folding body to rotate relative to the base through the first transmission mechanism, the scene detection device is arranged in the folding body, the detection part of the scene detection device is exposed out of the folding body, the vehicle rearview mirror assembly also comprises a second transmission mechanism and a shielding component, the second transmission mechanism is constructed to be capable of being directly driven by the driving motor to move or being indirectly driven by the first transmission mechanism to drive the shielding component to move, and when the folding body is driven to rotate to the folding state through the first transmission mechanism, the shielding component is driven by the second transmission mechanism to move to a position capable of shielding the detection part of the scene detection device.

Through such setting, when the driving motor drives the folder and gets back to fold condition, scene detection device on the folder removes to a fixed position, make the second drive mechanism drive the shielding component and also remove to this fixed position simultaneously, and then realize only needing a driving source just can realize the rotation of folder and the removal of shielding component, make the shielding component shelter from the testing section of scene detection device, it influences the detection effect to prevent to pile up the dust after scene detection device's testing section exposes for a long time, guarantee scene detection device's detection accuracy, improve the security of vehicle at the driving in-process, and can fold the rear-view mirror when not using the vehicle, improve aesthetic measure, reduce usable floor area, save cost.

In the above-mentioned preferred technical scheme of vehicle rearview mirror assembly, the second drive mechanism is a rack and pinion, the power input side of the rack and pinion is connected with the output shaft of the driving motor or connected with the first drive mechanism, the power output side of the rack and pinion is connected with the shielding component, through the arrangement of the rack and pinion, the use efficiency of the driving motor can be improved, meanwhile, the space in the base is saved, the driving motor is used for providing power for the rack and pinion, and then the shielding component is provided with power.

In the preferred technical scheme of foretell vehicle rearview mirror assembly, the rack and pinion includes drive gear, drive gear and the motion pole that has the rack, drive gear and driving motor's output shaft, drive gear and drive gear meshing, the drive gear meshes with the rack, shelters from the component setting on the motion pole, the setting through for the transmission power of gear is big, can utilize driving motor to realize the drive to gear and rack simultaneously more high-efficiently, improves driving motor's suitability and flexibility simultaneously, simple structure.

In the preferred technical scheme of foretell vehicle rearview mirror assembly, first drive mechanism includes sleeve pipe and connecting rod, and the sleeve pipe cover is established on driving motor's output shaft, and the one end and the bushing of connecting rod, the other end and the folded body of connecting rod are connected, and drive gear connects on the sleeve pipe, through such setting for driving motor can drive the connecting rod when rotating and fold the folded body, can drive gear simultaneously and mesh, guarantees the rotation synchronism of two gears.

In the preferred technical scheme of foretell vehicle rearview mirror assembly, the motion pole sets up to stretch out from the base, it is the felt that sets up the end that stretches out at the motion pole to shelter from the component, the felt sets up to the in-process that shelters from scene detection device's detection part as its self can clean scene detection device's detection part, through such setting, make the felt not only can shelter from scene detection device's detection part, can also clean, the felt just in time shelters from detection part can get rid of the filth of scene detection device's detection part promptly, guarantee scene detection device's detection accuracy, guarantee vehicle use process's security.

In the preferred technical scheme of foretell vehicle rearview mirror assembly, be provided with the guide rail in the base, the motion pole sets up on the guide rail, and the guide rail can lead the motion pole, through such setting, under the meshing of driving gear and rack, the motion pole can be realized being guided motion on the guide rail for the slip of motion pole is more steady, improves the life of motion pole.

In the preferred technical scheme of above-mentioned vehicle rearview mirror assembly, be formed with cavity structure on the base, cavity structure holds at least a part of motion pole to make the motion pole can stretch out and retract in cavity structure from cavity structure, through the dustproof of this setting formation motion pole and felt and safety cover, and then realize the motion pole and move in cavity structure for relatively fixed, can avoid simultaneously in the use that impurity such as silt in the environment invades inside the base, promoted the whole aesthetic property of device.

In the above preferred technical solution of the vehicle rearview mirror assembly, the felt is disposed on the upper surface of the extending end of the moving rod, the extending end of the moving rod is formed with a stopping structure extending upward, the stopping structure can stop the felt, and by such an arrangement, the stopping structure can prevent the felt from falling out of the chamber, so as to increase the stability of the device, and when the moving rod moves to the limit position, the felt also moves to the limit position.

In the above preferred technical solution of the vehicle rearview mirror assembly, the moving rod retracts into the chamber structure, and the stop structure can cover the opening of the chamber structure, so that the aesthetic property of the device is enhanced, meanwhile, the stop structure can limit the stroke of the moving rod, and the stop structure can also cover the opening of the chamber structure to prevent dust from entering the chamber structure.

In another aspect, the present invention also provides a vehicle including the vehicle rearview mirror assembly, so that the vehicle also has the technical effects described above.

Drawings

Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

FIG. 1 is a first schematic view of the exterior structure of a vehicle mirror assembly of the present invention prior to folding;

FIG. 2 is a second external view of the folded vehicle mirror assembly of the present invention;

FIG. 3 is a first schematic view of the interior of the vehicle mirror assembly of the present invention prior to folding;

fig. 4 is a schematic view of the folded interior structure of the vehicle mirror assembly according to the present invention.

List of reference numerals: 1. a base; 2. a folded body; 3. a drive motor; 4. a scene detection device; 5. a drive gear; 6. a transmission gear; 71. a motion bar; 72. a rack; 8. a sleeve; 9. a connecting rod; 10. felt; 11. a guide rail; 12. a chamber structure; 13. a stop structure.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "front", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Based on the problem of surface dust accumulation of a laser radar or a camera in a vehicle mentioned in the background art, the invention provides a vehicle rearview mirror assembly with a self-shielding function, and aims to utilize a driving motor to drive two transmission mechanisms until a detection part of a scene detection device is overlapped with a shielding component, so that the shielding component shields the detection part, the detection accuracy of the scene detection device is ensured, the safety of the vehicle in the driving process is improved, and the rearview mirror can be folded to isolate dust when the vehicle is not used.

Specifically, the vehicle comprises a vehicle body and two rearview mirror assemblies, wherein the two rearview mirror assemblies are respectively positioned at the front part of the left side and the front part of the right side of the vehicle body, and the rearview mirror assemblies can be fixed on doors of the vehicle body and can also be fixed on other parts of the vehicle body. As shown in fig. 1 and 2, the vehicle rearview mirror assembly includes a base 1, a folder 2, a driving motor 3, a first transmission mechanism and a scene detection device 4, and those skilled in the art can flexibly set the specific position and fixing manner of the driving motor 3 in the base 1 in practical application, for example, the driving motor 3 can be fixed in the base 1 by screwing, welding, etc., the first transmission mechanism and the driving motor 3 can be integrally cast or connected by bonding, etc., the specific position and fixing manner of the scene detection device 4 in the folder 2 can also be adaptively adjusted according to practical application, such as being connected to the inner wall of the folder 2 by screwing, welding, bonding, etc., in a preferred embodiment, the folder 2 is rotatably disposed on the base 1, the driving motor 3 is disposed on the base 1 and drives the folder 2 to rotate relative to the base 1 through the first transmission mechanism, the scene detection device 4 is arranged in the folding body 2, the detection part of the scene detection device 4 is exposed out of the folding body 2, the scene detection device 4 is a laser radar or a camera, the driving motor 3 is fixed on the inner wall of the base 1 in a threaded manner, the scene detection device 4 is fixed on the inner wall of the folding body 2 in a threaded manner, the vehicle rearview mirror assembly further comprises a second transmission mechanism and a shielding component, a person skilled in the art can flexibly set the specific position and fixing manner of the second transmission mechanism in the base 1 in practical application, for example, the second transmission mechanism is connected to the inner wall in the base 1 in a threaded manner, a welding manner, an adhesion manner and the like, the second transmission mechanism is directly driven by the driving motor 3 or indirectly driven by the first transmission mechanism, for example, the second transmission mechanism can be indirectly driven by the first transmission mechanism to perform linear movement or rotation, in a preferred embodiment, the second transmission mechanism is indirectly driven by the first transmission mechanism to drive the shielding member to move linearly, and when the folding body 2 rotates to the extreme position of the folded state, the position of the shielding member just coincides with the position of the detecting part of the scene detecting device 4 to shield the detecting part of the scene detecting device 4, of course, the position and fixing manner in the above preferred embodiment are only examples and not limitations, the driving motor 3 can be replaced by other driving sources, and the second transmission mechanism can also be configured to be indirectly driven by the first transmission mechanism to drive the shielding member to rotate to the extreme position to shield the detecting part of the scene detecting device 4, and those skilled in the art can flexibly set the specific implementation manner and moving path of the above device according to practical application as long as the function of the present invention can be achieved, the optimal effect is achieved.

A vehicle mirror assembly according to an embodiment of the present invention will be described with reference to fig. 3 and 4. FIG. 3 is a first schematic view of the interior of the vehicle mirror assembly of the present invention prior to folding; fig. 4 is a schematic view of the folded interior structure of the vehicle mirror assembly according to the present invention.

In the embodiment of the invention, the second transmission mechanism can adopt a screw pair, a crank block structure, a cam guide rod pair, a gear and rack transmission structure and the like, the power input side of the second transmission mechanism can be connected with the output shaft of the driving motor 3 or the first transmission mechanism, if the second transmission mechanism adopts a cam guide rod pair, the cam can adopt a groove cam, a rotating shaft of the groove cam is sleeved and connected with an output shaft of the driving motor 3, one end of the guide rod is slidably arranged in a groove of the groove cam, the other end of the guide rod is connected with the shielding component, the driving motor 3 drives the groove cam to rotate so as to drive the guide rod to perform guiding motion, in a preferred case, the second transmission mechanism is a rack and pinion, the power input side of which is connected to the first transmission mechanism or to the output shaft of the drive motor 3, and the power output side of which is connected to the shutter member.

In the above preferred embodiment, the gear of the rack-and-pinion assembly may be a spur gear, a helical gear, a bevel gear, etc., or may be one gear, or may be two gears, and if the gear is one gear, the input end of the gear is connected to the output end of the driving motor 3 and is engaged with the rack, and if the gear is two gears, the first gear is connected to the driving motor 3 to drive the second gear and the rack engaged therewith to move, and similarly, the rack of the rack-and-pinion assembly may be a spur rack, a helical rack, etc., and the rack of the rack-and-pinion assembly may be a separate rack or a rack integrally provided on other components, and preferably, the gear of the rack-and-pinion assembly in the present embodiment is a spur gear, and the rack is a spur rack and is integrally cast with other components, and referring to fig. 3, the rack-and-pinion assembly in the present embodiment includes a driving gear 5, a rack, and a rack gear, The driving gear 5 is sleeved on the periphery of the driving motor 3 in an installed state, the driving gear 5 is connected with an output shaft of the driving motor 3, the driving gear 5 is meshed with the transmission gear 6, the transmission gear 6 is meshed with the rack 72, and the shielding component is arranged on the moving rod 71.

In the embodiment, the input end of the first transmission mechanism is connected with the output end of the driving motor 3, the output end of the first transmission mechanism is connected with the folding body 2, the driving motor 3 drives the first transmission mechanism to fold the folding body 2, the input end of the first transmission mechanism can be directly connected with the output end of the driving motor 3 or indirectly connected with the periphery of the driving motor 3, referring to fig. 4, in a preferred case, the first transmission mechanism comprises a sleeve 8 and a connecting rod 9, the connecting rod 9 and the folding body 2 can be connected by welding, riveting, screwing and the like, the connecting rod 9 and the sleeve 8 can be integrally made, welded or bonded and the like, the sleeve 8 can be made of metal materials, and can also be made of high-strength plastics, such as composite materials of POM plastics, ABS plastics and the like, and the sleeve 8 can be made of hard plastics instead of metal materials, can be when guaranteeing drive strength, alleviate the wearing and tearing between sleeve pipe 8 and driving

motor

3, 5 covers of drive gear establish in the bottom periphery or the upper end periphery of sleeve pipe 8, perhaps

drive gear

5 and 8 integrative castings of sleeve pipe, preferably, the material of sleeve pipe 8 is ABS plastics material, 8 covers of sleeve pipe establish on driving motor 3's output shaft, the one end and the sleeve pipe 8 welding of connecting rod 9, the other end of connecting rod 9 is fixed in on folded body 2 through the spiro union mode, the lower extreme periphery of sleeve pipe 8 is located to 5 covers of drive gear, driving motor 3 drives drive gear 5 through sleeve pipe 8 and carries out the syntropy rotation.

Further, the shielding member may be made of polyurethane foam, polyester fiber, etc., and with reference to fig. 3, in a preferred embodiment, the moving rod 71 is configured to extend out from the base 1 to achieve guiding movement of the moving rod 71, the felt 10 is made of a composite of wool and polyester fiber, in an installed state, the felt 10 can completely shield the detecting portion of the scene detecting device 4 to prevent dust accumulation from affecting the detecting effect, meanwhile, a highest point of contact between the felt 10 and the detecting portion of the scene detecting device 4 is higher than the detecting portion of the scene detecting device 4, since the felt 10 is made of a deformable material, the shielding effect of the felt 10 on the detecting portion of the scene detecting device 4 is not affected, and the detecting portion of the scene detecting device 4 can be repeatedly wiped and cleaned in a process of shielding the detecting portion of the scene detecting device 4 by itself, so that the detection portion of the scene detection means 4 is cleaned up under the shielding of the felt 10.

Further, a guide rail 11 is arranged in the base 1 in the same direction as the moving rod 71, so that the guiding movement of the moving rod 71 is more gentle, the moving rod 71 is arranged on the guide rail 11, a sliding groove is formed in the guide rail 11, a groove is formed at the bottom of the moving rod 71, the groove of the moving rod 71 is movably clamped in the sliding groove of the guide rail 11, a gap is formed at the joint, and the guide rail 11 can guide the moving rod 71.

Further, as shown in fig. 3 and 4, a cavity structure 12 is formed on the base 1, the material of the cavity structure 12 is the same as that of the base 1, the direction of the cavity structure 12 is the same as the movement track of the movement rod 71, the cavity structure 12 accommodates at least a part of the movement rod 71, a gap is formed between the cavity structure 12 and the movement rod 71, and the movement rod 71 can extend out of the cavity structure 12 and retract into the cavity structure 12, so that a protection cavity of the movement rod 71 is formed, and the reliability and the aesthetic property of the device are further enhanced.

In a preferred embodiment, the shielding member may be a sheet-shaped shielding object disposed at the extending end of the moving rod 71, or a sleeve-shaped shielding object disposed at the extending end of the moving rod 71, as shown in fig. 4, preferably, the felt 10 is a sheet-like shade provided on the upper surface of the protruding end of the moving bar 71, and in order to prevent the felt 10 from falling due to friction when coinciding with the scene detection portion, the protruding end of the moving bar 71 is formed with a stopping structure 13 extending upward, the stopping structure 13 can stop the felt 10, the stopping structure 13 can be a one-side protruding structure in the moving direction of the moving bar 71, or can be a two-side protruding structure or a four-side protruding structure, as long as the felt 10 can be prevented from falling, in this embodiment, the stop structure 13 is a convex structure extending upward from one side of the moving direction of the moving rod 71, and those skilled in the art can flexibly set the length and height of the chamber structure 12 and the stop structure 13 in practical application.

Preferably, when the driving motor 3 drives to reset, the sleeve 8 is driven to rotate in a resetting manner, the connecting rod 9 simultaneously drives the folding body 2 to move to a home position in a resetting manner, the driving gear 5 starts to rotate in a resetting manner under the driving of the sleeve 8 and is meshed with the transmission gear 6, the transmission gear 6 is further meshed with the rack 72 arranged on the moving rod 71, after the moving rod 71 slides out, the felt 10 shields and cleans the detection part of the scene detection device 4, and under the meshing effect of the rack 72 and the transmission gear 6, when the moving rod 71 retracts into the chamber structure 12 in a resetting manner, the stopping structure 13 can cover the opening of the chamber structure 12, so that the chamber structure 12 is isolated from external dust.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims

1. A vehicle rear-view mirror assembly with a self-shielding function, characterized in that the vehicle rear-view mirror assembly comprises a base, a folding body, a drive motor, a first transmission mechanism and a scene detection device, and the folding The body is rotatably arranged on the base, the driving motor is arranged on the base and can drive the folding body to rotate relative to the base through the first transmission mechanism, and the scene detection device is provided in the folded body and the detection portion of the scene detection device exposes the folded body,

The vehicle rearview mirror assembly further includes a second transmission mechanism and a shielding member, the second transmission mechanism is configured to be able to be directly driven to move by the drive motor or indirectly driven by the first transmission mechanism to be able to drive The shielding member moves, and when the folding body is driven to rotate to a folded state by the first transmission mechanism, the shielding member is driven and moved by the second transmission mechanism to be able to detect the scene detection device Partially occluded location.

2 . The vehicle rearview mirror assembly according to claim 1 , wherein the second transmission mechanism is a rack and pinion pair, and the power input side of the rack and pinion pair is connected to the output shaft of the driving motor. 3 . Connected or connected with the first transmission mechanism, and the power output side of the rack and pinion pair is connected with the shielding member.

3 . The vehicle rearview mirror assembly according to claim 2 , wherein the rack and pinion pair comprises a driving gear, a transmission gear, and a moving rod with a rack, and the driving gear and the driving motor are in contact with 3 . The output shaft is connected, the drive gear meshes with the transmission gear, the transmission gear meshes with the rack, and the blocking member is arranged on the movement rod.

4. The vehicle rear-view mirror assembly according to claim 3, wherein the first transmission mechanism comprises a sleeve and a connecting rod, and the sleeve is sleeved on the output shaft of the drive motor, so that the One end of the connecting rod is connected to the sleeve, the other end of the connecting rod is connected to the folding body, and the driving gear is connected to the sleeve.

5 . The vehicle rear-view mirror assembly of claim 3 , wherein the movement rod is configured to be able to protrude from the base, and the blocking member is an extension provided on the movement rod. 6 . The felt at the end is set to be able to wipe and clean the detection part of the scene detection device when it blocks the detection part of the scene detection device.

6 . The vehicle rear-view mirror assembly according to claim 3 , wherein a guide rail is provided in the base, and the movement rod is arranged on the guide rail, and the guide rail can carry out the movement of the movement rod. 7 . guide.

7 . The vehicle rear-view mirror assembly of claim 5 , wherein a cavity structure is formed on the base, and the cavity structure accommodates at least a part of the movement rod and enables the movement of the movement rod. 8 . A rod can be extended from and retracted into the cavity structure.

8 . The vehicle rear-view mirror assembly according to claim 7 , wherein the felt is provided on the upper surface of the extension end of the movement rod, and the extension end of the movement rod is formed with an upwardly extending end. 9 . A stopper structure capable of blocking the felt.

9 . The vehicle rearview mirror assembly of claim 8 , wherein the movement rod is retracted into the cavity structure, and the stop structure can cover the opening of the cavity structure. 10 .

10. A vehicle, characterized in that the vehicle comprises the vehicle rearview mirror assembly of any one of claims 1 to 9.