Rearview mirror and vehicle

Abstract

The utility model relates to a rearview mirror and a vehicle, and the rearview mirror comprises a shell which defines a containing cavity with an opening; the reflection module is arranged in the accommodating cavity and comprises a first mirror surface and a second mirror surface; the driving module is connected with the reflection module, the driving module can drive the reflection module to be switched between a first position and a second position, and at the first position, the first mirror faces towards the outside of the containing cavity from the opening; and at the second position, the second mirror surface faces the outside of the accommodating cavity from the opening. According to the rearview mirror provided by the utility model, when one of the first mirror surface and the second mirror surface is polluted, the mirror surface can be quickly switched to a clean mirror surface, so that a driver is ensured to always have a clear view behind a vehicle, and the dangerous operation of manually cleaning the mirror surface of the rearview mirror by the driver in the driving process is avoided; the risk of traffic accidents caused by the blocked view is effectively reduced, the mirror surface does not need to be manually wiped in the driving process, and the driving convenience and comfort are improved.

Description

Technical Field

[0001] This utility model relates to the field of display technology, and in particular to a rearview mirror and a vehicle. Background Technology

[0002] This section provides only background information relevant to this disclosure and is not necessarily prior art.

[0003] Traditional vehicle rearview mirrors typically have only one mirror surface. When this surface becomes covered by rainwater, dust, or other contaminants, it can impair the driver's vision, especially while the vehicle is in motion, thus reducing driving safety. Existing rearview mirrors require the driver to manually clean the mirror surface, and failing to clean the mirror or cleaning it while driving undoubtedly increases the risk of accidents. Utility Model Content

[0004] The purpose of this invention is to at least solve the problem of existing rearview mirrors affecting visibility during driving due to rain or dust contamination. This purpose is achieved through the following technical solution:

[0005] According to a first aspect of the present invention, a rearview mirror is provided, comprising a housing defining a receiving cavity with an opening; a reflection module disposed in the receiving cavity, the reflection module including a first mirror surface and a second mirror surface; and a driving module connected to the reflection module, the driving module being capable of driving the reflection module to switch between a first position and a second position, wherein in the first position, the first mirror surface faces outward from the opening towards the outside of the receiving cavity; and in the second position, the second mirror surface faces outward from the opening towards the outside of the receiving cavity.

[0006] According to the rearview mirror proposed in this utility model, when one of the first or second mirror surfaces is contaminated, it can quickly switch to a clean mirror surface, ensuring that the driver always has a clear view of the rear of the vehicle. This avoids the dangerous operation of manually cleaning the rearview mirror surface while driving, effectively reducing the risk of traffic accidents caused by obstructed vision. It also eliminates the need to be distracted by manually wiping the mirror surface while driving, thus improving the convenience and comfort of driving.

[0007] In addition, the rearview mirror according to this utility model may also have the following additional technical features:

[0008] In some embodiments of this utility model, the drive module is installed in the housing, and the drive module includes a first motor disposed in the receiving cavity and a drive shaft drivenly connected to the first motor; the two opposite sides of the reflection module define the first mirror surface and the second mirror surface respectively, and the reflection module is connected to the drive shaft; wherein, in the first position, the first mirror surface faces the outside of the receiving cavity and the second mirror surface faces the inside of the receiving cavity, and in the second position, the second mirror surface faces the outside of the receiving cavity and the first mirror surface faces the inside of the receiving cavity.

[0009] In some embodiments of this utility model, the drive module further includes a driven shaft, which is spaced apart from the drive shaft along the axial direction of the drive shaft and is coaxial with the drive shaft. One end of the driven shaft is rotatably connected to the housing, and the other end of the driven shaft is connected to the reflection module.

[0010] In some embodiments of this utility model, the drive module further includes: a first bearing, mounted on the housing, the inner ring of the first bearing being connected to the drive shaft; a transmission assembly, the transmission assembly being connected to the first motor and the drive shaft respectively; a second bearing, mounted on the housing, along the axial direction of the drive shaft, the second bearing being spaced apart from the first bearing, and the reflection module being disposed between the first bearing and the second bearing, the driven shaft being embedded in the inner ring of the second bearing; the first bearing, the drive shaft, the second bearing, and the driven shaft are coaxially arranged.

[0011] In some embodiments of this invention, at least one of the driving shaft and the driven shaft is detachably connected to the reflection module.

[0012] In some embodiments of this utility model, the rearview mirror further includes a clip, and at least one of the drive shaft and the driven shaft is connected to the reflection module through the clip.

[0013] In some embodiments of this utility model, the first mirror and the second mirror are arranged in a centrally symmetrical manner around the axis of the drive shaft.

[0014] In some embodiments of this utility model, the rearview mirror further includes a cleaning device disposed within the receiving cavity. The cleaning device includes a driving component and a cleaning component, and the driving component is capable of driving the cleaning component to clean the first mirror surface and the second mirror surface.

[0015] In some embodiments of this utility model, the driving component includes a high-pressure pump, the cleaning component includes a high-pressure nozzle, a storage tank, and a delivery pipeline. The inlet of the high-pressure pump is connected to the storage tank through the delivery pipeline, and the outlet of the high-pressure pump is connected to the high-pressure nozzle through the delivery pipeline. The spray nozzle of the high-pressure nozzle is oriented towards the reflective module.

[0016] In some embodiments of this utility model, the rearview mirror further includes: a light-emitting element, installed on the housing and located outside the receiving cavity; and a photosensitive element, installed on the housing and located outside the receiving cavity; wherein the light-emitting element and the photosensitive element are respectively located on both sides of the reflection module. In the first position, the light beam emitted by the light-emitting element illuminates the first mirror surface and is reflected before entering the photosensitive element. In the second position, the light beam emitted by the light-emitting element illuminates the second mirror surface and is reflected before entering the photosensitive element.

[0017] In some embodiments of this utility model, the housing is provided with at least one drain hole, which is located at the bottom of the receiving cavity and communicates with the receiving cavity.

[0018] In some embodiments of this utility model, the driving component includes a second motor, and the cleaning component includes a rotating shaft and a brush disposed on the circumferential outer surface of the rotating shaft. The rotating shaft is rotatably disposed in the receiving cavity and is drivenly connected to the second motor. The rotating shaft is parallel to the drive shaft, and in the first position, the brush abuts against the second mirror surface, and in the second position, the brush abuts against the first mirror surface.

[0019] In some embodiments of this utility model, the reflection module includes a reflector, and the two opposite sides of the reflector respectively form the first mirror surface and the second mirror surface; or, the reflection module includes a first reflector and a second reflector, the first reflector and the second reflector are respectively connected to the drive shaft, the first reflector and the second reflector are parallel, and the side of the first reflector away from the second reflector defines the first mirror surface, and the side of the second reflector away from the first reflector defines the second mirror surface.

[0020] According to a second aspect of the present invention, a vehicle is also provided, the vehicle including a vehicle body and a rearview mirror as described in the first aspect, the rearview mirror being mounted on the vehicle body.

[0021] In some embodiments of this utility model, the drive module includes a first motor disposed in the receiving cavity and a drive shaft that is drively connected to the first motor; the vehicle also includes a control device and an automatic wiper rain level detection system, wherein the control device is electrically connected to the automatic wiper rain level detection system and the first motor respectively.

[0022] In some embodiments of this utility model, the drive module includes a first motor disposed in the receiving cavity and a drive shaft that is drively connected to the first motor; the vehicle also includes a control device and a manual control button, the control device being electrically connected to the manual control button and the first motor respectively. Attached Figure Description

[0023] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0024] Figure 1 A schematic diagram of the structure of a rearview mirror according to some embodiments of the present invention is shown.

[0025] The attached figures are labeled as follows:

[0026] 100. Rearview mirror; 10. Housing; 22. Drive shaft; 23. Driven shaft; 24. First bearing; 25. Second bearing; 30. Reflection module; 31. First reflector; 311. First mirror; 32. Second reflector; 40. Buckle; 511. High-pressure pump; 521. High-pressure nozzle; 522. Liquid storage tank; 523. Infusion pipeline; 61. Light-emitting element; 62. Photosensitive element. Detailed Implementation

[0027] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0028] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also include the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0029] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0030] For ease of description, spatial relative terms may be used in the text to describe the relationship of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "over," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure is flipped, an element described as "below other elements or features" or "below other elements or features" would subsequently be oriented "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations.

[0031] According to an embodiment of this utility model, a rearview mirror 100 is proposed. The rearview mirror 100 includes a housing 10, a drive module (not shown in the figure), and a reflection module 30. As the external frame of the entire rearview mirror 100, the housing 10 defines a receiving cavity (not shown in the figure) with an opening (not shown in the figure). The receiving cavity provides installation space for the internal drive module and other components, serving a protective and supporting function. The shape and size of the housing 10 can be customized according to the vehicle design and the installation position of the rearview mirror 100 to ensure coordination with the overall appearance of the vehicle; no specific limitations are made here. The drive module is installed inside the housing 10 and mainly consists of a first motor (not shown in the figure) and a drive shaft 22. The first motor, as a power source, can convert electrical energy into mechanical energy to provide power for the rotation of the drive shaft 22. The first motor can be a small DC motor, which has advantages such as small size, high power, and convenient control. The drive shaft 22 is connected to the first motor via a transmission device, such as a gear, belt, or coupling, to ensure that the rotational motion of the motor is accurately transmitted to the drive shaft 22.

[0032] The reflection module 30 is located in the opening and connected to the drive shaft 22. The reflection module 30 includes a first mirror 311 and a second mirror (not shown in the figure) arranged in opposite directions. Both the first mirror 311 and the second mirror are mirror reflection structures, which can provide the driver with a rear view.

[0033] The reflective module 30 is connected to the drive shaft 22, allowing the rotation of the drive shaft 22 to switch the reflective module 30 between a first position and a second position. In the first position, the first mirror 311 faces the outside of the receiving cavity, and the second mirror faces the inside of the receiving cavity. In the second position, the second mirror faces the outside of the receiving cavity, and the first mirror 311 faces the inside of the receiving cavity. When the vehicle is in motion, if the first mirror 311 is covered by rainwater, dust, or other contaminants, affecting the driver's vision, the first motor is controlled to rotate the drive shaft 22. The rotation of the drive shaft 22 then rotates the connected reflective module 30, causing the reflective module 30 to switch from the first position to the second position. In the second position, the second mirror, which originally faced the inside of the receiving cavity, now faces the outside of the receiving cavity, providing the driver with a clear rear view; while the contaminated first mirror 311 faces the inside of the receiving cavity, avoiding interference with the driver's vision. Understandably, if the second mirror is also contaminated, the reflective module 30 can rotate from the second position to the first position, allowing the first mirror 311 to provide the driver with a clear view.

[0034] In this embodiment, when the mirror surface is contaminated, it can quickly switch to a clean mirror surface, ensuring that the driver always has a clear view of the rear of the vehicle. This avoids the dangerous operation of manually cleaning the rearview mirror 100 during driving, effectively reducing the risk of traffic accidents caused by obstructed vision. It also eliminates the need to be distracted by manually wiping the mirror surface while driving, improving driving convenience and comfort.

[0035] In some embodiments, the drive module further includes a driven shaft 23, which is spaced apart from and coaxially arranged along the axial direction of the drive shaft 22. The driven shaft 23 and the drive shaft 22 are on the same axis and spaced apart from each other axially, and are jointly installed within the receiving cavity of the housing 10. One end of the driven shaft 23 extends into the housing 10 and is rotatably connected to it, providing a support base for rotation; the other end of the driven shaft 23 extends to the opening of the receiving cavity and connects to the reflection module 30, thereby coordinating with the drive shaft 22 to control the movement of the reflection module 30. The driven shaft 23 and the drive shaft 22 ensure both structural compactness and more uniform and efficient force transmission. When the drive module is started, the first motor drives the drive shaft 22 to rotate. Since the driven shaft 23 and the driving shaft 22 are coaxial and spaced apart, and both the driven shaft 23 and the driving shaft 22 are connected to the reflection module 30, the rotation of the driving shaft 22 will indirectly drive the driven shaft 23 to rotate through the reflection module 30. The driven shaft 23 and the driving shaft 22 can jointly provide stable support and rotational driving force for the reflection module 30, so that the reflection module 30 moves more smoothly and steadily when switching from the first position to the second position, or from the second position back to the first position, without shaking or deviating. This ensures that the driver can quickly and accurately obtain a clear rear view when switching mirrors.

[0036] Coaxial arrangement refers to the arrangement of two rotating shafts on the same straight line, that is, the axes of driven shaft 23 and driving shaft 22 coincide with each other.

[0037] In this embodiment, the driven shaft 23 and the driving shaft 22 form a dual-axis drive structure, providing more stable support and driving force for the reflection module 30. During the position switching process of the reflection module 30, the instability phenomena such as shaking and displacement that may be caused by single-axis drive are effectively reduced, making the mirror switching smoother and more reliable, and further improving driving safety.

[0038] Among them, the driven shaft 23 is located on the side away from the vehicle body compared to the driving shaft 22.

[0039] Furthermore, the drive module also includes a first bearing 24, a transmission assembly (not shown in the figure), and a second bearing 25, which are respectively mounted on the housing 10. Both the first bearing 24 and the second bearing 25 consist of an inner ring, an outer ring, rolling elements, and a cage. The inner ring of the first bearing 24 is tightly connected to the drive shaft 22, and the inner cavity of the second bearing 25 is connected to the driven shaft 23. The transmission assembly is the medium for power transmission between the first motor and the drive shaft 22, and includes any of the following: a gear set, a pulley, or a chain. If a gear set is used, the large and small gears mesh with each other. The output shaft of the first motor is connected to the small gear, and the drive shaft 22 is connected to the large gear. The meshing of the gears achieves the conversion of speed and torque, efficiently transmitting the power of the first motor to the drive shaft 22. The first bearing 24, the drive shaft 22, the second bearing 25, and the driven shaft 23 are coaxially arranged, achieving coordinated motion and uniform force transmission.

[0040] The first bearing 24, the drive shaft 22, the second bearing 25, and the driven shaft 23 are coaxially arranged, that is, the axes of the first bearing 24, the drive shaft 22, the second bearing 25, and the driven shaft 23 coincide with each other.

[0041] In this embodiment, the use of the first bearing 24 and the second bearing 25 significantly reduces the friction between the drive shaft 22 and the driven shaft 23 and the housing 10 during rotation, reducing component wear and extending the service life of the drive shaft 22, driven shaft 23, and housing 10. It also reduces energy loss and improves the working efficiency of the drive module. The transmission assembly configuration allows for precise adjustment of the speed and torque transmitted from the first motor to the drive shaft 22 according to actual needs, ensuring that the power output of the drive module better matches the rotational requirements of the reflection module 30, guaranteeing that the reflection module 30 can quickly and accurately switch between different positions. Furthermore, the coaxial arrangement of the first bearing 24 and the second bearing 25, and their support for the drive shaft 22 and the driven shaft 23, further enhances the structural stability of the entire drive module. During frequent position switching of the reflection module 30, the impact of vibration and shaking on the drive system is effectively reduced, ensuring that the rearview mirror 100 always provides the driver with a stable and clear field of vision.

[0042] In some embodiments, at least one of the drive shaft 22 and the driven shaft 23 is detachably connected to the reflection module 30. When one of the reflection module 30, the drive shaft 22, or the driven shaft 23 is damaged, the detachable connection allows maintenance personnel to quickly remove the damaged part for repair or replacement without replacing the entire rearview mirror 100 assembly, greatly reducing maintenance costs and time.

[0043] In this embodiment, both the drive shaft 22 and the driven shaft 23 are detachably connected to the reflection module 30. The detachable connection methods include, but are not limited to, bolt connection, snap-fit ​​connection, and magnetic connection. Specifically, in some exemplary embodiments, threaded holes are correspondingly provided at the ends of the drive shaft 22 or driven shaft 23 and on the reflection module 30, and the two are fastened together by bolts. During installation, the bolt is passed through the hole in the drive shaft 22 (or driven shaft 23) and screwed into the threaded hole in the reflection module 30, using the tightening force of the bolt to ensure a tight fit. In other exemplary embodiments, hooks or slots are provided at the ends of the drive shaft 22 or driven shaft 23, and corresponding slots or hooks are provided on the reflection module 30. When the two are mated, the hooks are inserted into the slots, forming a snap-fit ​​engagement. To prevent loosening of the snap-fit, elastic elements, such as spring sheets, can be provided. After the snap-fit ​​is in place, the spring sheet provides a certain elastic force, making the snap-fit ​​more secure. The snap-fit ​​method is convenient to operate and allows for quick connection and disassembly. In other embodiments, a hook or slot is provided at the end of the drive shaft 22 or driven shaft 23, and a corresponding slot or hook is provided on the reflective module 30. When the two are mated, the hook is inserted into the slot, forming a snap-fit ​​engagement. To prevent the snap-fit ​​from loosening, an elastic element, such as a spring sheet, can be provided. After the snap-fit ​​is in place, the spring sheet provides a certain elastic force, making the snap-fit ​​more secure. The snap-fit ​​method is convenient to operate and can quickly achieve connection and disassembly.

[0044] In some embodiments of this utility model, the rearview mirror 100 further includes a latch 40, through which at least one of the drive shaft 22 and the driven shaft 23 is connected to the reflection module 30. The latch 40 includes a connected elastic latch arm (not shown) and a latch head (not shown). The elastic latch arm is generally made of plastic or metal material with good elasticity and toughness, capable of elastic deformation under a certain external force and returning to its original shape after the external force is removed. The latch head is located at one end of the elastic latch arm, and the other end of the elastic latch arm is connected to the drive shaft 22 or the driven shaft 23. The shape and size of the latch head match the slot provided in the reflection module 30. When the drive shaft 22 or the driven shaft 23 needs to be connected to the reflection module 30, the latch head is aligned with the slot on the reflection module 30, and then pressed firmly to deform the elastic latch arm, allowing the latch head to smoothly embed into the slot. Once the locking head is fully inserted into the slot, the elastic locking arm returns to its original shape, using its own elastic force to firmly lock the slot, thereby achieving a reliable connection between the drive shaft 22 or the driven shaft 23 and the reflective module 30. To increase the stability of the connection, the contact surfaces of the locking head and the slot can also be designed with anti-slip textures or protrusions to further prevent the connection from loosening. In this embodiment, the rearview mirror 100 includes at least two latches 40, and the reflective module 30 is respectively engaged with the drive shaft 22 and the driven shaft 23 through at least two latches 40.

[0045] Compared to other connection methods, such as bolt connections which require tightening with tools, the snap-fit ​​connection only requires a simple pressing action, significantly shortening installation time and improving assembly efficiency. During production line assembly, it can significantly accelerate the assembly speed of the rearview mirror 100 and reduce labor costs. When maintenance, replacement, or adjustment of the reflector module 30, drive shaft 22, or driven shaft 23 is required, only a small external force needs to be applied to deform the elastic clip arm again, allowing the clip head to be easily pulled out of the slot, achieving component separation and facilitating maintenance personnel operations.

[0046] In some embodiments of this invention, the first mirror 311 and the second mirror are centrally symmetrically arranged around the axis of the drive shaft 22. Because the first mirror 311 and the second mirror are centrally symmetrically arranged around the axis of the drive shaft 22, the driver's rear field of vision and angle obtained through different mirrors are essentially the same regardless of whether the reflection module 30 is in the first or second position. This avoids field of vision deviations caused by differences in mirror position, allowing the driver to quickly adapt when switching mirrors without needing to readjust their line of sight or judge distances, effectively improving driving safety and convenience.

[0047] In some embodiments, the rearview mirror 100 further includes a cleaning device (not shown in the figure), which is disposed within a receiving cavity. The cleaning device includes a drive assembly (not shown in the figure) and a cleaning assembly. The drive assembly can drive the cleaning assembly to clean the first mirror surface 311 and the second mirror surface. Specifically, when the first mirror surface 311 is covered by contaminants such as rainwater and dust, a first motor is used to drive the reflection module 30 to rotate from a first position to a second position. On the one hand, this makes the clean second mirror surface face the outside of the receiving cavity and provide the driver with a clear rear view. On the other hand, the contaminated first mirror surface 311 is rotated into the inside of the receiving cavity, and the cleaning assembly is driven by the drive assembly to clean the first mirror surface 311, so that the first mirror surface 311 is clear again.

[0048] In detail, the drive components and cleaning components can be configured in a variety of different structural forms as needed.

[0049] For example, in some embodiments, the driving component includes a high-pressure pump 511, and the cleaning component includes a high-pressure nozzle 521, a storage tank 522, and a delivery line 523. The high-pressure nozzle 521 has a special internal flow channel and nozzle structure, which can spray the high-pressure liquid output by the high-pressure pump 511 in a specific spray pattern, such as a fan shape or a cone shape, to ensure that the cleaning liquid evenly covers the first mirror surface 311 or the second mirror surface, thereby improving the cleaning effect. The storage tank 522 is used to store the cleaning liquid, and the tank body of the storage tank 522 is provided with a liquid inlet for easy addition of cleaning liquid. The inlet of the high-pressure pump 511 is connected to the storage tank 522 through the delivery line 523, and the outlet of the high-pressure pump 511 is connected to the high-pressure nozzle 521 through the delivery line 523. The spray nozzle of the high-pressure nozzle 521 is oriented towards the reflective module 30. In detail, the inlet of the high-pressure pump 511 is tightly connected to the outlet of the storage tank 522 via the infusion line 523. The connection typically uses a sealed joint to prevent leakage of the cleaning fluid. Similarly, the outlet of the high-pressure pump 511 is connected to the inlet of the high-pressure nozzle 521 via the infusion line 523, ensuring a stable supply of high-pressure liquid to the nozzle. The infusion line 523 can be connected to various components via threaded connections, clamp connections, or quick-connect couplings to ensure reliable connections and ease of installation and disassembly.

[0050] In this embodiment, when the first mirror surface 311 is covered by rainwater, dust, or other contaminants, the first motor drives the reflector module 30 to rotate from a first position to a second position. On one hand, this allows the clean second mirror surface to face the outside of the receiving cavity and provide the driver with a clear rear view. On the other hand, the contaminated first mirror surface 311 is rotated into the receiving cavity, and the motor inside the high-pressure pump 511 drives the impeller to rotate at high speed, creating a negative pressure at the inlet. This draws the cleaning fluid from the storage tank 522 into the high-pressure pump 511 through the infusion line 523. The cleaning fluid is agitated at high speed by the impeller inside the high-pressure pump 511, achieving high pressure, and then output from the outlet of the high-pressure pump 511, being delivered to the high-pressure nozzle 521 through the infusion line 523. The high-pressure nozzle 521 sprays the high-pressure cleaning fluid in a specific spray pattern onto the first mirror surface 311 of the reflector module 30. The high-speed sprayed cleaning fluid impacts and dissolves dust, stains, and other contaminants on the first mirror surface 311, causing them to fall off, thereby achieving the cleaning purpose. The waste liquid after cleaning will flow down naturally and be discharged through a drain hole (not shown in the figure) located at the bottom of the receiving cavity. There may be one or more drain holes.

[0051] In some embodiments, the driving component includes a second motor (not shown in the figure), and the cleaning component includes a rotating shaft (not shown in the figure) and a brush (not shown in the figure) disposed on the circumferential outer surface of the rotating shaft. The rotating shaft is rotatably disposed in the receiving cavity and drivenly connected to the second motor. The rotating shaft is parallel to the drive shaft 22. In a first position, the brush abuts against the second mirror surface, and in a second position, the brush abuts against the first mirror surface 311. The brush bristles can be made of soft and resilient nylon material, which can effectively remove dust, stains, and other contaminants from the mirror surface without scratching it. The length and density of the brush are rationally designed according to the size of the mirror surface and cleaning requirements to ensure full coverage of the mirror surface and achieve a good cleaning effect. In this embodiment, the second motor is installed on the inner wall of the receiving cavity and connected to the rotating shaft through a transmission device. The rotating shaft is arranged parallel to the drive shaft 22 and is located near the reflection module 30. When the reflective module 30 is in the first position, the brush is in close contact with the second mirror surface; when the reflective module 30 is switched to the second position, the brush is in contact with the first mirror surface 311, thus achieving cleaning of different mirror surfaces. The second motor and the rotating shaft are connected by a transmission device, including belt drive, gear drive, or coupling connection. If belt drive is used, pulleys are installed on the output shaft and rotating shaft of the second motor, and power is transmitted through the tension of the belt; if gear drive is used, meshing gears are installed on the motor output shaft and rotating shaft, and power transmission is achieved through gear meshing; coupling connection directly connects the motor output shaft and rotating shaft together using a rigid or flexible coupling to ensure synchronous rotation.

[0052] In this embodiment, when the driver activates the cleaning device, the second motor is powered on and begins to operate. The rotational power of the second motor is transmitted to the rotating shaft through a transmission device, causing the shaft to rotate. Since the brush is fixed to the circumferential outer surface of the rotating shaft, the rotation of the shaft drives the brush to rotate synchronously. When the reflective module 30 is in the first position, the rotating brush contacts the second mirror surface, and through the friction and rotational force of the bristles, removes dust, stains, and other contaminants from the second mirror surface. When it is necessary to clean the first mirror surface 311, the drive module first switches the reflective module 30 to the second position. At this time, the rotating brush contacts the first mirror surface 311 and cleans it. During the cleaning process, as the rotating shaft continues to rotate, the brush continuously wipes the mirror surface until the contaminants on the mirror surface are cleaned. When the reflective module 30 is in different positions, the brush can make close contact with the corresponding mirror surface and clean it, achieving targeted cleaning of the two mirror surfaces and improving the accuracy and effect of cleaning.

[0053] It should be noted that, in this utility model, depending on the size and requirements of the rearview mirror 100 housing 10, a high-pressure pump 511, a high-pressure nozzle 521, a liquid storage tank 522, and a liquid delivery line 523 can be installed in the receiving cavity to clean the first mirror surface 311 or the second mirror surface by spraying liquid with the high-pressure nozzle 521; alternatively, a second motor, a rotating shaft, and a brush can be installed separately to wipe the first mirror surface 311 or the second mirror surface by rolling the brush; or the high-pressure pump 511, the high-pressure nozzle 521, the liquid storage tank 522, the liquid delivery line 523, the second motor, the rotating shaft, and the brush can be installed simultaneously in the receiving cavity to clean the first mirror surface 311 or the second mirror surface using both methods, thereby improving the cleanliness of the first mirror surface 311 and the second mirror surface.

[0054] In other embodiments, the drive assembly includes a second motor, transmission gears, a lead screw, and other components, while the cleaning assembly includes a brush, a scraper, and a cleaning cloth. The transmission gears are used to adjust the speed and torque output by the motor, while the lead screw converts the rotational motion of the motor into linear motion, precisely controlling the movement position and stroke of the cleaning assembly. This allows the cleaning assembly to move linearly relative to the first mirror surface 311 or the second mirror surface, using the brush, scraper, and cleaning cloth to remove dust and stains. The scraper is made of rubber or silicone and is used to remove water droplets and sticky contaminants from the mirror surface. The cleaning cloth is typically made of highly absorbent and soft fiber material, which can further wipe the mirror surface to ensure it is clean and tidy.

[0055] In some embodiments, the rearview mirror 100 further includes a light-emitting element 61 and a photosensitive element 62, which are respectively mounted on the housing 10 and located outside the receiving cavity. The light-emitting element 61 includes, but is not limited to, a light-emitting diode (LED). The interior of the light-emitting element 61 mainly consists of a semiconductor chip and encapsulation material. The semiconductor chip emits a light beam of a specific wavelength when powered on. The encapsulation form of the light-emitting element 61 is diverse, and a suitable encapsulation can be selected according to the design requirements of the rearview mirror 100 to ensure stable operation and efficient light emission. The photosensitive element 62 includes, but is not limited to, a photodiode or a photoresistor. The photosensitive element 62 is used to sense light intensity. When illuminated, a photodiode generates an electrical signal related to the light intensity; a photoresistor's resistance changes with the light intensity. The semiconductor material inside the photosensitive element 62 is sensitive to light and can convert the light signal into an electrical signal for subsequent circuit processing.

[0056] Furthermore, the light-emitting element 61 and the photosensitive element 62 are respectively distributed on both sides of the reflective module 30, so that the light beam emitted by the light-emitting element 61 can illuminate the mirror surface of the reflective module 30 and accurately enter the photosensitive element 62 after reflection. When the reflective module 30 is in the first position, the light beam emitted by the light-emitting element 61 illuminates the first mirror surface 311 and reaches the photosensitive element 62 after reflection; when the reflective module 30 switches to the second position, the light beam emitted by the light-emitting element 61 illuminates the second mirror surface and enters the photosensitive element 62 after reflection.

[0057] The light-emitting element 61 and the photosensitive element 62 are electrically connected to the vehicle's control circuit via wires. The control circuit can control the opening and closing of the light-emitting element 61 and its light intensity according to factors such as the vehicle's driving status and ambient light. The photosensitive element 62 is connected to the vehicle's signal processing circuit, converting the sensed light signal into an electrical signal and transmitting it to the signal processing circuit for further analysis and processing.

[0058] In detail, when the vehicle is in motion, the light-emitting element 61 emits a light beam under the control of the circuit. When the reflection module 30 is in the first position, the light beam shines on the first mirror 311. According to the law of reflection, the reflected light will be directed at the photosensitive element 62 at a specific angle. After receiving the reflected light, the photosensitive element 62 converts the light signal into an electrical signal. The signal processing circuit analyzes and processes the electrical signal, such as calculating the intensity and angle of the reflected light. When the reflection module 30 switches to the second position, the light beam emitted by the light-emitting element 61 shines on the second mirror and, after reflection, is incident on the photosensitive element 62. The photosensitive element 62 again converts the light signal into an electrical signal and transmits it to the signal processing circuit. By analyzing the reflected light at different positions, the signal processing circuit can obtain information such as the cleanliness of the mirror and whether there is any obstruction. For example, if the intensity of the reflected light is significantly weakened, it may mean that the mirror is covered with contaminants and a cleaning device needs to be activated for cleaning; if the angle of the reflected light changes abnormally, it may indicate that the position of the reflection module 30 is deviated and needs to be adjusted.

[0059] In this embodiment, the light-emitting element 61 and the photosensitive element 62 work together to detect the cleanliness of the mirror surface in real time. When contamination is detected, the cleaning device is automatically triggered to clean the mirror, achieving automation and intelligence in the cleaning process. This eliminates the need for manual judgment and operation by the driver, further improving driving safety and convenience. Utilizing the principle of light reflection, relevant information about the mirror surface can be accurately obtained. This not only determines whether the mirror is clean but also detects any abnormalities such as damage or deformation, promptly reminding the driver to repair or replace it, ensuring the normal use of the rearview mirror 100 and vehicle driving safety. Furthermore, regardless of day or night, the light-emitting element 61 emits a light beam, working in conjunction with the photosensitive element 62 to detect the mirror surface, unaffected by changes in ambient light, thus improving the reliability of the rearview mirror 100 in various complex environments.

[0060] In some embodiments, the reflective module 30 includes a reflector, with a first mirror 311 and a second mirror formed on opposite sides of the reflector, respectively. In this embodiment, the reflector consists of a substrate and a reflective coating. The substrate, serving as the basic support structure of the reflector, can be made of materials with good optical properties, high mechanical strength, and strong stability, such as high-quality optical glass or special engineering plastics. The reflective coating is applied to two opposite sides of the substrate, forming the first mirror 311 and the second mirror, respectively. The reflective coating uses a high-reflectivity metallic material, such as silver or aluminum, and is uniformly deposited on the substrate surface using advanced processes such as vacuum deposition and sputtering deposition. These metallic coatings can efficiently reflect light, giving the reflector excellent reflective performance. Integrating the first mirror 311 and the second mirror on two opposite sides of the same reflector makes the structure of the reflective module 30 simpler and more compact. Compared to using two separate reflectors, this design reduces the number of parts, lowers assembly difficulty and cost, and also saves installation space for the rearview mirror 100, which is beneficial for optimizing the overall vehicle layout.

[0061] In other embodiments, the reflection module 30 includes a first reflector 31 and a second reflector 32, which are respectively connected to the drive shaft 22. The first reflector 31 and the second reflector 32 are parallel, and the side of the first reflector 31 facing away from the second reflector 32 defines a first mirror surface 311, and the side of the second reflector 32 facing away from the first reflector 31 defines a second mirror surface. When one of the reflectors is damaged or malfunctions, only that reflector needs to be maintained or replaced individually, without affecting the entire reflection module 30. This reduces maintenance costs and time, improves the maintainability of the rearview mirror 100, and reduces the impact of maintenance on the normal use of the vehicle.

[0062] In some embodiments, the rearview mirror 100 further includes a sealing structure disposed on the inner wall of the receiving cavity surrounding the opening, and the sealing structure is located between the axial edge of the reflective module 30 and the opening, and is used to seal the gap between the reflective module 30 and the opening. Specifically, the sealing structure is annular and tightly surrounds the inner wall of the receiving cavity opening. The shape of the sealing structure is adapted to the opening and the axial edge of the reflective module 30. The cross-sectional shape of the sealing structure can be circular, square, or a specially designed irregular shape, such as a shape with a lip or corrugations, to increase the contact area and friction between the sealing structure and the reflective module 30 and the opening, further improving the sealing effect. In the first or second position, the sealing structure is compressed between the axial edge of the reflective module 30 and the opening, using the pressure generated by its elasticity to fill the gap between them, forming a reliable sealing barrier. By setting up a sealed structure, external pollutants such as rainwater, dust, and mud are effectively prevented from entering the cavity, thus avoiding damage to internal components such as the drive module, cleaning device, light-emitting element 61, and photosensitive element 62. This extends the service life of each component of the rearview mirror 100 and ensures the normal working performance of the rearview mirror 100.

[0063] According to an embodiment of the present invention, a vehicle is also provided, comprising a vehicle body and a rearview mirror 100, wherein the rearview mirror 100 is mounted on the vehicle body. Specifically, the rearview mirror 100 is connected to the vehicle body by bolts, welding, or clips, ensuring a secure connection. The rearview mirror 100 is mounted on the door or side of the vehicle body, and is fixed to a predetermined mounting position on the vehicle body using bolts, nuts, or other connecting components. The vehicle proposed by this invention can automatically clean the first mirror surface 311 and the second mirror surface. When either the first mirror surface 311 or the second mirror surface is contaminated, it can quickly switch to a clean mirror surface, ensuring the driver always has a clear rear view. This avoids the dangerous operation of manually cleaning the rearview mirror 100 surface while driving, effectively reducing the risk of traffic accidents caused by obstructed vision. It also eliminates the need for the driver to manually wipe the mirror surface while driving, improving driving convenience and comfort.

[0064] Furthermore, the vehicle also includes a control unit and an automatic wiper rain detection system. The control unit is electrically connected to both the automatic wiper rain detection system and the first motor. The control unit is an electronic control unit (ECU) integrating a microprocessor, memory, input / output interfaces, and other components. The microprocessor, as the core, is responsible for processing various data and instructions. The control unit analyzes and judges the received signals according to preset algorithms and logic. The memory stores program code and related data, such as the correspondence between rainfall and the 100-degree rotation switching frequency of the rearview mirror. The input / output interfaces enable communication between the control unit and other vehicle components. Through these interfaces, the control unit can receive data signals from the automatic wiper rain detection system and simultaneously send control commands to the first motor. The automatic wiper rain detection system consists of a rain sensor and a signal processing circuit. Rain sensors include optical and capacitive types. Optical rain sensors utilize the principles of light refraction and reflection; when raindrops fall on the sensor surface, the refraction and reflection of light change, and the sensor converts this change into an electrical signal. Capacitive rain sensors sense the amount of rainfall by detecting the capacitance change caused by raindrops. The signal processing circuit is connected to the rain sensor. It amplifies, filters, and performs analog-to-digital conversion on the raw electrical signal output by the sensor, converting it into a digital signal that the control device can recognize, and then transmits it to the control device.

[0065] In detail, the automatic wiper rain detection system monitors the rainfall in real time and converts the detected rainfall data into a digital signal through a signal processing circuit before transmitting it to the control device. Upon receiving the rainfall data, the control device calculates the appropriate automatic flip-to-switch frequency for the rearview mirror 100 under the current rainfall conditions, based on the pre-stored correspondence between rainfall and the flip-to-switch frequency of the rearview mirror 100. For example, the heavier the rainfall, the higher the set flip-to-switch frequency of the rearview mirror 100, ensuring that the rain-stained mirror surface is promptly switched to a clean side, guaranteeing a clear view for the driver. Subsequently, the control device sends control commands to the first motor via an electrical connection, adjusting the motor's speed and rotation frequency, thereby achieving precise control over the flip-to-switch frequency of the rearview mirror 100 reflection module 30.

[0066] Furthermore, the control device is electrically connected to the high-pressure pump 511, the light-emitting element 61, the photosensitive element 62, and the second motor, respectively, so as to automatically control the operation of the first motor, the high-pressure pump 511, and the second motor according to the degree of contamination of the first mirror 311 or the second mirror measured by the photosensitive element 62, thereby realizing the functions of switching mirrors and automatically cleaning mirrors.

[0067] In some embodiments, the vehicle further includes a control device and a manual control button, the control device being electrically connected to the manual control button and the first motor, respectively. When the driver feels that the rearview mirror 100 cannot be clearly seen, the driver can manually touch the manual control button to flip the mirror of the rearview mirror 100.

[0068] The working process of the vehicle proposed according to this utility model is as follows:

[0069] Step 1: Start the vehicle;

[0070] Step 2: The automatic wiper rain detection system, light-emitting element and photosensitive element, and manual control button are turned on and running;

[0071] Step 3: (1) Determine whether the rainfall measured by the automatic wiper rain detection system is greater than the preset rainfall value; (2) Determine whether the incident light intensity measured by the photosensitive element is lower than the preset intensity value; (3) Determine whether the manual control button is triggered; If any of the above three determinations is yes, then proceed to step 4; otherwise, continue to proceed to step 3.

[0072] Step 4: Control the reflection module to rotate 180 degrees, so that the positions of the first mirror and the second mirror are interchanged;

[0073] Step 5: Start the high-pressure pump and the second motor, use the high-pressure nozzle to spray cleaning fluid toward the reflector module or use the brush to rotate and clean the mirror surface. After completion, return to step 3.

[0074] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A rearview mirror, characterized in that, The rearview mirror includes: A housing that defines a receiving cavity with an opening; A reflection module is disposed in the receiving cavity, and the reflection module includes a first mirror and a second mirror. A driving module is connected to the reflection module, and the driving module can drive the reflection module to switch between a first position and a second position. In the first position, the first mirror surface faces outward from the opening towards the outside of the receiving cavity; in the second position, the second mirror surface faces outward from the opening towards the outside of the receiving cavity.

2. The rearview mirror according to claim 1, characterized in that, The drive module is mounted on the housing, and the drive module includes a first motor disposed in the receiving cavity and a drive shaft that is drivenly connected to the first motor; the two opposite sides of the reflection module define the first mirror surface and the second mirror surface respectively, and the reflection module is connected to the drive shaft; In the first position, the first mirror faces the outside of the receiving cavity, and the second mirror faces the inside of the receiving cavity; in the second position, the second mirror faces the outside of the receiving cavity, and the first mirror faces the inside of the receiving cavity.

3. The rearview mirror according to claim 2, characterized in that, The drive module also includes a driven shaft, which is spaced apart from the drive shaft along the axial direction of the drive shaft and is coaxial with the drive shaft. One end of the driven shaft is rotatably connected to the housing, and the other end of the driven shaft is connected to the reflection module.

4. The rearview mirror according to claim 3, characterized in that, The driver module also includes: A first bearing is mounted on the housing, and the inner ring of the first bearing is connected to the drive shaft; A transmission assembly, which is connected to the first motor and the drive shaft respectively; The second bearing is installed in the housing along the axial direction of the drive shaft. The second bearing is spaced apart from the first bearing, and the reflection module is located between the first bearing and the second bearing. The driven shaft is embedded in the inner ring of the second bearing. The first bearing, the drive shaft, the second bearing, and the driven shaft are coaxially arranged.

5. The rearview mirror according to claim 3, characterized in that, At least one of the driving shaft and the driven shaft is detachably connected to the reflection module.

6. The rearview mirror according to claim 3, characterized in that, The rearview mirror also includes a clip, and at least one of the drive shaft and the driven shaft is connected to the reflection module via the clip.

7. The rearview mirror according to claim 2, characterized in that, The first mirror and the second mirror are arranged in a centrally symmetrical manner around the axis of the drive shaft.

8. The rearview mirror according to claim 2, characterized in that, The rearview mirror also includes a cleaning device disposed within the receiving cavity. The cleaning device includes a driving component and a cleaning component. The driving component can drive the cleaning component to clean the first mirror surface and the second mirror surface.

9. The rearview mirror according to claim 8, characterized in that, The driving component includes a high-pressure pump, and the cleaning component includes a high-pressure nozzle, a storage tank, and a delivery pipeline. The inlet of the high-pressure pump is connected to the storage tank through the delivery pipeline, and the outlet of the high-pressure pump is connected to the high-pressure nozzle through the delivery pipeline. The spray nozzle of the high-pressure nozzle is oriented towards the reflective module.

10. The rearview mirror according to claim 9, characterized in that, The rearview mirror also includes; A light-emitting element is mounted on the housing and located outside the receiving cavity; A photosensitive element is mounted on the housing and located outside the receiving cavity; The light-emitting element and the photosensitive element are located on opposite sides of the reflective module. In the first position, the light beam emitted by the light-emitting element illuminates the first mirror and is reflected before entering the photosensitive element. In the second position, the light beam emitted by the light-emitting element illuminates the second mirror and is reflected before entering the photosensitive element.

11. The rearview mirror according to claim 9, characterized in that, The housing is provided with at least one drain hole, which is located at the bottom of the receiving cavity and communicates with the receiving cavity.

12. The rearview mirror according to any one of claims 8 to 11, characterized in that, The drive assembly includes a second motor, and the cleaning assembly includes a rotating shaft and a brush disposed on the circumferential outer surface of the rotating shaft. The rotating shaft is rotatably disposed in the receiving cavity and is drivenly connected to the second motor. The rotating shaft is parallel to the drive shaft, and in the first position, the brush abuts against the second mirror surface, and in the second position, the brush abuts against the first mirror surface.

13. The rearview mirror according to any one of claims 2 to 11, characterized in that, The reflection module includes a reflector, and the two opposite sides of the reflector form the first mirror surface and the second mirror surface, respectively. Alternatively, the reflection module includes a first reflector and a second reflector, which are respectively connected to the drive shaft. The first reflector and the second reflector are parallel, and the side of the first reflector away from the second reflector defines the first mirror surface, and the side of the second reflector away from the first reflector defines the second mirror surface.

14. A vehicle, characterized in that, The vehicle includes a vehicle body and a rearview mirror as described in any one of claims 1 to 13, the rearview mirror being mounted on the vehicle body.

15. The vehicle according to claim 14, characterized in that, The drive module includes a first motor disposed within the receiving cavity and a drive shaft that is drively connected to the first motor; The vehicle also includes a control device and an automatic wiper rain level detection system, wherein the control device is electrically connected to the automatic wiper rain level detection system and the first motor respectively.

16. The vehicle according to claim 14, characterized in that, The drive module includes a first motor disposed within the receiving cavity and a drive shaft that is drively connected to the first motor; The vehicle also includes a control device and a manual control button, the control device being electrically connected to the manual control button and the first motor respectively.

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