Vehicle rearview mirror and vehicle

Abstract

The utility model relates to a vehicle rearview mirror and a vehicle, relates to the technical field of vehicle rearview mirrors, and aims to solve the technical problem of safe cleaning of vehicle rearview mirrors in related technologies. The vehicle rearview mirror can comprise a rearview mirror base, a reflecting mirror assembly, a cleanliness detection assembly and a cleaning assembly, a washing cavity is defined by the reflecting mirror assembly and the rearview mirror base, the reflecting mirror assembly comprises a first lens and a second lens, and the first lens is rotationally connected with the rearview mirror base and provided with a first reflecting face; the second lens is rotationally connected with the rearview mirror base and is provided with a second reflecting surface; the cleanliness detection assembly is arranged on the side, away from the washing cavity, of the rearview mirror base and comprises a laser emitter and a laser receiver, and the laser emitter can emit a laser detection signal along one of the first reflecting surface and the second reflecting surface; the laser receiver can receive a laser detection signal; the cleaning assembly is arranged in the washing cavity and sprays washing water towards one of the first reflecting surface and the second reflecting surface.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle rearview mirrors, and particularly relates to a vehicle rearview mirror and a vehicle. Background Art

[0002] Vehicle rearview mirrors are important components on vehicles. Rearview mirrors are provided on both sides of the driver's cab, which facilitate the driver to observe the situation on the side and rear of the vehicle during driving, prevent accidents, and enable the driver to see the situation behind the vehicle when reversing, so as to complete the reversing smoothly.

[0003] In the related art, since the vehicle travels outdoors for a long time, dust, fine sand and other stains will continuously accumulate on the rearview mirror, reducing the imaging clarity of the rearview mirror for objects on the side and rear of the vehicle. Moreover, when it rains, water droplets hitting the dust on the mirror surface will form blotches, further affecting the imaging clarity of the rearview mirror. In some patents, a spraying device is provided to clean the reflection mirror surface outside the rearview mirror, and in some other patents, a fluffy water-absorbing material is arranged inside the rearview mirror base to clean the rotating double-sided mirror through the fluffy water-absorbing material.

[0004] However, during the cleaning process in the above solutions, the reflection mirror surface is covered with washing water, resulting in the driver being unable to normally use the rearview mirror for observation, and the cleanliness of the rearview mirror cannot be detected in real time to clean the rearview mirror in time, thus affecting the driver's normal use of the rearview mirror for observation and being not conducive to ensuring driving safety. Summary of the Utility Model

[0005] The utility model provides a vehicle rearview mirror and a vehicle, which are used to solve the problem of safe cleaning of rearview mirrors in the related art.

[0006] According to a first aspect of the present application, a vehicle rearview mirror is provided. The vehicle rearview mirror includes a rearview mirror base, a mirror assembly, a cleanliness detection assembly, and a cleaning assembly. The mirror assembly is connected to the rearview mirror base and encloses a washing cavity. The mirror assembly includes a first lens and a second lens. The first lens is rotatably connected to the rearview mirror base and has a first reflection surface. The second lens is rotatably connected to the rearview mirror base and has a second reflection surface. The cleanliness detection assembly is disposed on a side of the rearview mirror base facing away from the washing cavity and includes a laser emitter and a laser receiver. The laser emitter is connected to one end of the rearview mirror base and is capable of emitting a laser detection signal along one of the first reflection surface and the second reflection surface. The laser receiver is connected to the other end of the rearview mirror base and is capable of receiving the laser detection signal. The cleaning assembly is disposed in the washing cavity and sprays washing water towards one of the first reflection surface and the second reflection surface. Wherein, the mirror assembly includes a first state and a second state. In the first state, the first lens is located outside the washing cavity and the second lens is located inside the washing cavity. In the second state, the first lens rotates into the washing cavity and the second lens rotates outside the washing cavity.

[0007] Based on the above technical means, it can be understood that if there is less contamination on the first reflection surface, then the contamination blocks less of the laser detection signal, and the laser receiver can receive more laser detection signals. After the vehicle-mounted system converts the laser detection signal into voltage or current, the obtained voltage or current is larger. Conversely, if there is more contamination on the first reflection surface, then the contamination blocks more of the laser detection signal, and the laser receiver can receive fewer laser detection signals. After the vehicle-mounted system converts the laser detection signal into voltage or current, the obtained voltage or current is smaller. Thus, the degree of dirt on the first reflection surface can be judged according to the magnitude of the voltage or current.

[0008] After the first lens has been used for a period of time, the dust, fine sand, or other stains accumulated on the first reflection surface gradually increase, resulting in a deterioration of the reflection clarity of the objects on the side and rear of the vehicle, affecting the driver's observation and driving safety. The cleanliness detection assembly can detect the degree of dirt on the first reflection surface in real time and remind the driver to clean the rearview mirror in a timely manner. In the present application, through the rotational movement of the first lens and the second lens, the first lens can be rotated into the rear washing cavity, enabling the cleaning assembly to clean the first reflection surface. At the same time, the spare second lens located in the rear washing cavity is rotated to the front, enabling the second reflection surface to continue to provide a clear view of the side and rear of the vehicle for the driver.

[0009] In this way, on the one hand, the first lens and the second lens in the vehicle rearview mirror provided by the present application can be used alternately. When one of them provides a driving view, the other is in a cleaning or standby state, so that the vehicle rearview mirror can still provide a clear view during the cleaning process, which is beneficial to driving safety. On the other hand, the present application can detect the cleanliness of the mirror assembly in real time through a laser generator and a laser receiver, which is beneficial for the driver to clean the mirror assembly in time, thereby further ensuring driving safety.

[0010] In a possible implementation manner, the vehicle rearview mirror further includes a position sensor, which is used to be electrically connected to the vehicle-mounted system to detect the rotation angles of the first lens and the second lens. The laser emitter is electrically connected to the vehicle-mounted system so that the vehicle-mounted system can adjust the angle of the laser detection signal emitted by the laser emitter according to the rotation angles of the first lens and the second lens.

[0011] According to the above technical means, the laser detection signal emitted by the laser emitter can always propagate along a direction parallel to the first lens or the second lens, thereby ensuring the effectiveness of the cleanliness detection result.

[0012] In a possible implementation manner, the mirror assembly further includes a connecting bracket, which is rotatably connected to the rearview mirror base. The first lens and the second lens are respectively connected to opposite sides of the connecting bracket.

[0013] According to the above technical means, the rotation of the connecting bracket can drive the rotation of the first lens and the second lens, so as to conveniently complete the position exchange of the first lens and the second lens.

[0014] In a possible implementation manner, the mirror assembly may further include a driving member, which is connected to the rearview mirror base; the connecting bracket includes a rotating shaft and a fixing rod. One end of the rotating shaft is connected to the driving member, and the other end is rotatably connected to the rearview mirror base; the fixing rod is connected to the rotating shaft, and the first lens and the second lens are respectively connected to opposite sides of the fixing rod.

[0015] According to the above technical means, when the driving member drives the rotating shaft to rotate, it can drive the fixing rod to rotate, so that the first lens and the second lens connected to both sides of the fixing rod can successfully complete the position exchange.

[0016] In a possible implementation manner, the spraying member may include a plurality of nozzles arranged at intervals along a first direction. The plurality of nozzles are arranged above the washing cavity, and the first direction is parallel to the extending direction of the rotating shaft.

[0017] According to the above technical means, the washing water sprayed by the plurality of nozzles arranged above the washing cavity flows down the lens from top to bottom, and the gravitational potential energy of the washing water can be used to increase the impact force of the washing water, thereby improving the cleaning efficiency of the lens.

[0018] In a possible implementation, a diversion groove is provided on the rearview mirror base below the washing cavity. The cleaning assembly may further include a dirt scraping member, which has a first state and a second state. When the dirt scraping member is in the first state, the dirt scraping member is located in the diversion groove; when the dirt scraping member is in the second state, the dirt scraping member can slide on one of the first reflecting surface and the second reflecting surface along a second direction perpendicular to the first direction.

[0019] According to the above technical means, when the dirt scraping member is in the first state, the dirt scraping member can be stored in the diversion groove to avoid blocking the rotation of the connecting bracket, the first lens and the second lens in the rearview mirror base; when the contaminated first reflecting surface rotates to the washing cavity, the dirt scraping member can be switched to the second state, and both ends of the dirt scraping member can slide along the chute, so that the middle part of the dirt scraping member can slide on the first reflecting surface, thereby scraping off stubborn stains on the first reflecting surface and improving the cleaning effect of the lens.

[0020] In a possible implementation, the dirt scraping member may include a friction part and a dirt guiding part. The friction part can slide on one of the first reflecting surface and the second reflecting surface; the dirt guiding part is arranged at an angle with the friction part so that the washing water in the advancing direction of the friction part flows into the diversion groove along the dirt guiding part.

[0021] According to the above technical means, the stubborn stains condensed on the first reflecting surface can be removed by the frictional force applied by the friction part on the first reflecting surface. After the stubborn stains in the advancing direction of the friction part are removed by the friction part, they can be mixed in the washing water and then flow into the diversion groove along the dirt guiding part together with the washing water.

[0022] In a possible implementation, a sewage outlet is further provided on the rearview mirror base, and the diversion groove is inclined towards the sewage outlet.

[0023] According to the above technical means, the inclined setting of the diversion groove is beneficial to the washing wastewater flowing along the diversion groove towards the sewage outlet under the action of gravity.

[0024] In a possible implementation, the first lens may further include a first heating surface, and the first heating surface and the first reflecting surface are respectively located on opposite sides of the first lens; the second lens may further include a second heating surface, and the second heating surface and the second reflecting surface are respectively located on opposite sides of the second lens; the vehicle rearview mirror may further include a first heating element and a second heating element, the first heating element is connected to the first heating surface, and the second heating element is connected to the second heating surface.

[0025] According to the above technical means, when the washing is finished, the first heating element can be activated to heat the first heating surface. The first heating surface transfers heat to the first reflecting surface through heat conduction and thermal radiation, quickly evaporating the residual washing water on the first reflecting surface, thereby preventing water marks from forming on the first reflecting surface and affecting the next use of the first lens.

[0026] According to the second aspect of the present application, a vehicle is provided. The effects achieved by the first aspect of the present application are also achieved by the second aspect of the present application, which will not be elaborated here.

[0027] Therefore, the above technical features of the present application have the following beneficial effects:

[0028] (1) The first lens and the second lens in the vehicle rearview mirror provided by the present application can be used alternately. When one of them provides a driving view, the other is in a clean or standby state, so that the vehicle rearview mirror can still provide a clear view during the cleaning process, which is beneficial to driving safety. In addition, the present application can detect the cleanliness of the mirror assembly in real time through the laser generator and the laser receiver, which is beneficial for the driver to clean the mirror assembly in time, thereby further ensuring driving safety.

[0029] (2) The laser detection signal emitted by the laser emitter can always propagate along a direction parallel to the first lens or the second lens, thereby ensuring the effectiveness of the cleanliness detection result.

[0030] (3) The rotation of the connecting bracket can drive the rotation of the first lens and the second lens, so as to conveniently complete the position exchange of the first lens and the second lens.

[0031] (4) When the driving member drives the rotating shaft to rotate, it can drive the fixed rod to rotate, so that the first lens and the second lens connected to both sides of the fixed rod can successfully complete the position exchange.

[0032] (5) The washing water sprayed by the multiple nozzles arranged above the washing cavity flows down the lens from top to bottom, and the gravitational potential energy of the washing water can be used to increase the impact force of the washing water, thereby improving the cleaning efficiency of the lens.

[0033] (6) When the scraping member is in the first state, the scraping member can be stored in the diversion groove to avoid blocking the rotation of the connecting bracket, the first lens and the second lens in the rearview mirror base; when the contaminated first reflecting surface rotates to the washing cavity, the scraping member can be switched to the second state, and both ends of the scraping member can slide along the chute, so that the middle part of the scraping member can slide on the first reflecting surface, thereby scraping off the stubborn stains on the first reflecting surface and improving the cleaning effect of the lens.

[0034] (7) The frictional force exerted by the friction part on the first reflecting surface can be used to remove stubborn stains condensed on the first reflecting surface. After the stubborn stains in the traveling direction of the friction part are removed, they can be mixed in the washing water and then flow into the diversion groove along the dirt guiding part together with the washing water.

[0035] (8) The inclined setting of the diversion groove is conducive to the washing wastewater flowing along the diversion groove to the sewage outlet under the action of gravity.

[0036] (9) After the washing is completed, the first heating element can be activated to heat the first heating surface. The first heating surface transfers heat to the first reflecting surface through heat conduction and thermal radiation, quickly evaporating the residual washing water on the first reflecting surface, thereby preventing water marks from forming on the first reflecting surface and affecting the next use of the first lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings herein are incorporated into the specification and form a part of the specification, showing embodiments consistent with the present application, and are used together with the specification to explain the principles of the present application, and do not constitute an improper limitation to the present application.

[0038] Figure 1 Shows one of the overall assembly structure diagrams of the vehicle rearview mirror provided by the embodiment of the present application;

[0039] Figure 2 Shows one of the structure diagrams of the rearview mirror base provided by the embodiment of the present application;

[0040] Figure 3 Shows one of the structure diagrams of the mirror assembly provided by the embodiment of the present application;

[0041] Figure 4 Shows the assembly structure diagram of the rearview mirror base and the connection bracket provided by the embodiment of the present application;

[0042] Figure 5 Shows one of the overall assembly structure diagrams of the vehicle rearview mirror provided by the embodiment of the present application;

[0043] Figure 6 Shows one of the structure diagrams of the mirror assembly provided by the embodiment of the present application;

[0044] Figure 7 Shows one of the structure diagrams of the mirror assembly provided by the embodiment of the present application;

[0045] Figure 8 Shows one of the structure diagrams of the rearview mirror base provided by the embodiment of the present application;

[0046] Figure 9 Shows the assembly structure diagram of the rearview mirror base and the dirt scraping part provided by the embodiment of the present application;

[0047] Figure 10 shows a schematic structural view of a dirt scraping member provided by an embodiment of the present application;

[0048] Figure 11 shows one of the schematic flowcharts of a vehicle rearview mirror cleaning method provided by an embodiment of the present application;

[0049] Figure 12 shows another schematic flowchart of a vehicle rearview mirror cleaning method provided by an embodiment of the present application;

[0050] Figure 13 shows a third schematic flowchart of a vehicle rearview mirror cleaning method provided by an embodiment of the present application.

[0051] Reference numerals in the drawings:

[0052] 1. Vehicle rearview mirror;

[0053] 10. Rearview mirror base; 11. Washing cavity; 12. Drainage port;

[0054] 20. Reflector assembly; 21. First lens; 211. First reflecting surface; 212. First heating surface; 22. Second lens; 221. Second reflecting surface; 222. Second heating surface; 23. Connecting bracket; 231. Fixed rod; 232. Rotating shaft;

[0055] 30. Cleaning assembly; 31. Spraying member; 310. Nozzle; 32. Flow guiding groove; 33. Dirt scraping member; 331. Friction part; 332. Dirt guiding part; 34. Sliding groove;

[0056] 40. Cleanliness detection assembly; 41. Laser emitter; 42. Laser receiver;

[0057] F1. First direction; F2. Second direction. Detailed implementation manners

[0058] In order to enable those of ordinary skill in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

[0059] It should be noted that the terms "first", "second", etc. in the description, claims and the above-mentioned drawings of this application are used to distinguish similar objects, and do not necessarily describe a specific order or sequence. It should be understood that such used data can be interchanged under appropriate circumstances, so that the embodiments of this application described here can be implemented in an order other than those illustrated or described here. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. On the contrary, they are only examples of devices and methods consistent with some aspects of this application as detailed in the appended claims.

[0060] The vehicle rearview mirror is an important component on the vehicle. Rearview mirrors are provided on both sides of the cab, which facilitates the driver to observe the situation behind and to the side of the vehicle during driving, prevents accidents, and enables the driver to see the situation behind the vehicle when reversing, so as to complete the reversing smoothly.

[0061] In the related art, since the vehicle travels outdoors for a long time, dust, small sand and other stains will continuously accumulate on the rearview mirror, reducing the imaging clarity of the rearview mirror for objects behind and to the side of the vehicle. Moreover, when it rains, water droplets hitting the dust on the mirror surface will form blotches, further affecting the imaging clarity of the rearview mirror. In some patents, a spraying device is provided to clean the reflecting mirror surface outside the rearview mirror. In some other patents, a fluffy water-absorbing material is provided inside the rearview mirror base to clean the rotating double-sided mirror through the fluffy water-absorbing material.

[0062] However, in the above solutions, the reflecting mirror surface is covered with washing water during the cleaning process, resulting in the driver being unable to normally use the rearview mirror for observation. Or during the cleaning process, the small sand and gravel accumulated in the fluffy water-absorbing material are likely to scratch the mirror surface, resulting in a poor imaging effect after cleaning, which will also affect the driver's normal use of the rearview mirror for observation and is not conducive to ensuring driving safety.

[0063] Based on this, the present utility model provides a vehicle rearview mirror and a vehicle, which are used to solve the technical problem of safe cleaning of the rearview mirror in the related art.

[0064] Figure 1 Fig. 1 shows one of the overall assembly structure diagrams of the vehicle rearview mirror provided by the embodiment of this application. Figure 2 Fig. 2 shows one of the structure diagrams of the rearview mirror base provided by the embodiment of this application. Referring to Figure 1 and Figure 2 , in some embodiments of this application, the vehicle rearview mirror 1 may include a rearview mirror base 10, a reflecting mirror assembly 20 and a cleaning assembly 30.

[0065] Among them, the mirror assembly 20 is connected to the rearview mirror base 10 and encloses a washing cavity 11. A sewage discharge port 12 communicating with the washing cavity 11 is formed on the rearview mirror base 10. The washing wastewater generated after the cleaning assembly 30 cleans the mirror assembly 20 can be discharged from the vehicle rearview mirror 1 in time through the sewage discharge port 12. The washing wastewater here includes a mixture of washing water, dust, and fine sand and gravel.

[0066] Figure 3 FIG. 4 shows one of the structural schematic diagrams of the mirror assembly provided by the embodiment of the present application. Figure 4 FIG. 5 shows the assembly structural schematic diagram of the rearview mirror base and the connecting bracket provided by the embodiment of the present application. Referring jointly to Figure 3 and Figure 4 , in some embodiments of the present application, the mirror assembly 20 may include a first lens 21, a second lens 22, and a connecting bracket 23. The connecting bracket 23 is rotatably connected to the rearview mirror base 10. The first lens 21 is connected to one side of the connecting bracket 23. The first lens 21 has a first reflection surface 211. The second lens 22 is connected to the other side of the connecting bracket 23. The second lens 22 has a second reflection surface 221.

[0067] Referring jointly to Figure 2 and Figure 4 , in some embodiments of the present application, the cleaning assembly 30 is disposed in the washing cavity 11. The cleaning assembly 30 may include a spraying member 31 and a diversion groove 32. The spraying member 31 can spray washing water toward one of the first reflection surface 211 and the second reflection surface 221. One end of the diversion groove 32 communicates with the washing cavity 11, and the other end of the diversion groove 32 communicates with the sewage discharge port 12.

[0068] In order to clearly describe the cooperation mechanism between the above-mentioned components, the following definitions are made for the initial states of the above-mentioned first lens 21 and second lens 22. The first lens 21 in the initial state is the lens facing the driver's side and is in the working state. The second lens 22 in the initial state is the lens facing the washing cavity 11 and is in the washing or standby state.

[0069] It can be understood that when the first lens 21 is used for a period of time, the dust, fine sand or other stains accumulated on the first reflection surface 211 gradually increase, the reflection clarity of the objects on the side and rear of the vehicle becomes poor, affecting the driver's observation and driving safety. At this time, the connecting bracket 23 can be rotated to rotate the first lens 21 in front of the connecting bracket 23 to the rear washing cavity 11, so that the spraying member 31 can clean the first reflection surface 211. At the same time, the second lens 22 in standby behind the connecting bracket 23 is rotated to the front, so that the second reflection surface 221 can continue to provide a clear view of the side and rear of the vehicle for the driver.

[0070] In this way, on the one hand, the first lens 21 and the second lens 22 in the vehicle rearview mirror 1 provided by the present application can be used alternately. When one of them provides the driving vision, the other is in a cleaning or standby state, so that the vehicle rearview mirror 1 can still provide a clear vision during the cleaning process, which is beneficial to driving safety. On the other hand, after the ejector 31 removes the dust and gravel on the first reflecting surface 211, the washing wastewater can flow through the diversion groove 32 to the sewage outlet 12 and be discharged from the rearview mirror in time through the sewage outlet 12, avoiding the gravel accumulated in the diversion groove 32 from splashing onto the first reflecting surface 211 after being impacted by the washing water and causing scratching, thus ensuring the safety and cleanliness of the standby lens and providing a clear vision for the next use, further ensuring driving safety.

[0071] Figure 5 Fig. 4 shows the second schematic diagram of the overall assembly structure of the vehicle rearview mirror provided by the embodiment of the present application. Figure 6 Fig. 5 shows the second schematic diagram of the structure of the mirror assembly provided by the embodiment of the present application. Referring to Figure 5 and Figure 6 In some other embodiments of the present application, the first lens 21 and the second lens 22 can also be set as sectors.

[0072] It can be understood that when the first lens 21 and the second lens 22 are rectangular, the first lens 21 and the second lens 22 can be symmetrically arranged along both sides of the connecting bracket 23; while when the first lens 21 and the second lens 22 are sectors, the first lens 21 and the second lens 22 need to be set in a rotationally symmetric form with the connecting bracket 23 as the center of rotational symmetry. In this way, after the connecting bracket 23 rotates 180° to exchange the positions of the first lens 21 and the second lens 22, the contour surface of the standby second lens 22 can coincide with the contour surface of the original first lens 21, so as to provide a consistent vision perception for the driver.

[0073] Continuing to refer to Figure 5 and Figure 6 In some embodiments of the present application, the mirror assembly 20 may further include a driving member, and the driving member is connected to the rearview mirror base 10. The connecting bracket 23 may include a rotating shaft 232 and a fixing rod 231. One end of the rotating shaft 232 is connected to the driving member, the other end of the rotating shaft 232 is rotatably connected to the rearview mirror base 10, the fixing rod 231 is connected to the rotating shaft 232, and the first lens 21 and the second lens 22 are respectively connected to opposite sides of the fixing rod 231.

[0074] In this way, when the driving member drives the rotating shaft 232 to rotate, it can drive the fixing rod 231 to rotate, so that the first lens 21 and the second lens 22 connected to both sides of the fixing rod 231 can successfully exchange positions. The driving member can be a rotating motor or a rotating cylinder.

[0075] Figure 7 FIG. 3 shows a third schematic structural diagram of the mirror assembly provided by the embodiments of the present application. Referring to Figure 6 and Figure 7 , in some embodiments of the present application, the rotation direction of the rotation axis 232 can pass through the connection bracket 23 along the first direction F1 and rotate around the first direction F1, or can pass through the connection bracket 23 along the second direction F2 and rotate around the second direction F2. Both setting methods can make the connection bracket 23 rotate 180° to complete the position exchange of the first lens 21 and the second lens 22.

[0076] However, it should be noted that for the sector-shaped lens, the specific installation direction of the second lens 22 needs to be appropriately adjusted according to the different rotation directions of the connection bracket 23, so as to ensure that the contour surface of the spare second lens 22 can coincide with the contour surface of the original first lens 21 after rotation. For the rectangular lens, as long as it is symmetrically arranged along the connection bracket 23, whether the connection bracket 23 rotates along the first direction F1 or the second direction F2, the contour surface of the first lens 21 can coincide with the contour surface of the original first lens 21 after rotation.

[0077] Figure 8 FIG. 2 shows a second schematic structural diagram of the rearview mirror base provided by the embodiments of the present application. Referring to Figure 8 , in some embodiments of the present application, the spraying member 31 can include a plurality of nozzles 310 arranged at intervals along the first direction F1. The plurality of nozzles 310 are arranged above the washing cavity 11, and the diversion groove 32 is arranged below the washing cavity 11, and the diversion groove 32 is inclined towards the sewage outlet 12.

[0078] In this way, on the one hand, the washing water sprayed by the plurality of nozzles 310 arranged above the washing cavity 11 flows downwards along the lens, and the gravitational potential energy of the washing water can be utilized to increase the impact force of the washing water, thereby improving the cleaning efficiency of the lens; on the other hand, the inclined setting of the diversion groove 32 is beneficial to the washing wastewater flowing along the diversion groove 32 towards the sewage outlet 12 under the action of gravity.

[0079] It should be noted that the above nozzles 310 can be communicated with the windshield washer system of the vehicle through a windshield washer supply pipe, so as to directly use the windshield washer fluid as the washing water.

[0080] It should also be noted that when the sewage outlet 12 is arranged on the right side of the rearview mirror base 10, since it is close to the drainage groove at the intersection of the front windshield and the engine hood, the washing wastewater in the rearview mirror base 10 can be guided to this drainage groove through a connecting pipe, so that the washing wastewater can flow out of the vehicle through the drainage groove and other drainage pipes on the vehicle.

[0081] In a specific application scenario, if the vehicle rearview mirror 1 has not been cleaned for a long time, some pollutants may condense on the mirror surface to form stubborn stains. The washing water sprayed by only the above-mentioned nozzle 310 may not be able to effectively remove the stubborn stains. Based on this, the cleaning component 30 of the present application may further include a scraping member 33. The scraping member 33 can be used in combination with the nozzle 310 to effectively remove the stubborn stains. The following will be described in detail with reference to the relevant drawings.

[0082] Figure 9 Fig. shows a schematic assembly structure diagram of the rearview mirror base and the scraping member provided by the embodiment of the present application. Referring to Figure 6 and Figure 9 , a sliding groove 34 is formed on the side wall of the rearview mirror base 10. The cleaning component 30 may further include a scraping member 33. The scraping member 33 can slide along the second direction F2 in the sliding groove 34. The scraping member 33 has a first state and a second state. Specifically:

[0083] When the scraping member 33 is in the first state, the scraping member 33 can be received in the diversion groove 32 to avoid blocking the rotation of the connecting bracket 23, the first lens 21, and the second lens 22 in the rearview mirror base 10. When the contaminated first reflecting surface 211 rotates to the washing cavity 11, the scraping member 33 can be switched to the second state. Both ends of the scraping member 33 can slide along the sliding groove 34, so that the middle part of the scraping member 33 can slide on the first reflecting surface 211, thereby scraping off the stubborn stains on the first reflecting surface 211 and improving the cleaning effect of the lens.

[0084] It should be noted that linear motors or linear cylinders can be provided at both ends of the scraping member 33. The output shafts of the linear motors or linear cylinders reciprocate along the second direction F2 to drive the scraping member 33 to move in the sliding groove 34.

[0085] Figure 10 Fig. shows a schematic structural diagram of the scraping member provided by the embodiment of the present application. Referring to Figure 6 , Figure 9 and Figure 10 , in some embodiments of the present application, the scraping member 33 may include a friction part 331 and a dirt guiding part 332. The friction part 331 can slide on the first reflecting surface 211, and the stubborn stains condensed on the first reflecting surface 211 are removed by the frictional force applied by the friction part 331 on the first reflecting surface 211. The dirt guiding part 332 is arranged at an angle with the friction part 331. In this way, after the stubborn stains in the advancing direction of the friction part 331 are removed by the friction part 331, they can be mixed in the washing water and then flow into the diversion groove 32 along the dirt guiding part 332 together with the washing water.

[0086] It should be noted that the angle between the dirt guiding part 332 and the friction part 331 should not be too large. An overly large angle is not conducive to large-sized stains crossing over the dirt guiding part 332. Exemplarily, this angle can be 10°, 20°, or 30°, etc.

[0087] In some embodiments of the present application, the first lens 21 may further include a first heating surface 212. The first heating surface 212 and the first reflecting surface 211 are respectively located on opposite sides of the first lens 21. Similarly, the second lens 22 may further include a second heating surface 222. The second heating surface 222 and the second reflecting surface 221 are respectively located on opposite sides of the second lens 22. The vehicle rearview mirror 1 may further include a first heating element and a second heating element. The first heating element is connected to the first heating surface 212, and the second heating element is connected to the second heating surface 222.

[0088] In this way, after the washing is completed, the first heating element can be activated to heat the first heating surface 212. The first heating surface 212 transfers heat to the first reflecting surface 211 through heat conduction and thermal radiation, quickly evaporating the residual washing water on the first reflecting surface 211, thereby preventing water stains from forming on the first reflecting surface 211 and affecting the next use of the first lens 21.

[0089] When the vehicle is driving in rainy weather, the second lens 22 rotated to the outside of the washing cavity 11 will also be wetted by rainwater soon after use. At this time, the second heating element can be activated again, so that the rainwater on the second reflecting surface 221 evaporates in time, thereby reducing the imaging impact of the rainwater on the second reflecting surface 221.

[0090] It should be noted that the first heating element and the second heating element can adopt PET metal heating sheets and attach them to the first heating surface 212 and the second heating surface 222. The first heating element and the second heating element can also adopt resistance heating wires and arrange them at intervals on the first heating surface 212 and the second heating surface 222.

[0091] Continue to refer to Figure 6 and Figure 8 , in some embodiments of the present application, the vehicle rearview mirror 1 may further include a cleanliness detection component 40. The cleanliness detection component 40 is provided on the side of the rearview mirror base 10 facing away from the washing cavity 11 (in front of the first lens 21). The cleanliness detection component 40 may include a laser emitter 41 and a laser receiver 42. The laser emitter 41 is connected to one end of the rearview mirror base 10, and the laser generator can emit a laser detection signal along the first reflecting surface 211. The laser receiver 42 is connected to the other end of the rearview mirror base 10, and the laser receiver 42 can receive the laser detection signal.

[0092] It should be noted that the above laser receiver 42 can be electrically connected to the in-vehicle system in the vehicle. The in-vehicle system can convert the laser detection signal into an electrical signal, such as voltage or current, etc., and determine the degree of dirt on the mirror surface according to the intensity of the electrical signal.

[0093] It can be understood that if there is less pollutant on the first reflecting surface 211, the pollutant will block less of the laser detection signal, and the laser receiver 42 can receive more laser detection signals. After the in-vehicle system converts the laser detection signal into voltage or current, the obtained voltage or current is larger; conversely, if there is more pollutant on the first reflecting surface 211, the pollutant will block more of the laser detection signal, and the laser receiver 42 can receive fewer laser detection signals. After the in-vehicle system converts the laser detection signal into voltage or current, the obtained voltage or current is smaller. Thus, the degree of dirt on the first reflecting surface 211 can be judged according to the size of the voltage or current.

[0094] In some embodiments of the present application, the motor can be electrically connected to the in-vehicle system. In this way, after the in-vehicle system determines that the degree of dirt on the first reflecting surface 211 is greater than the preset value in the in-vehicle system, the in-vehicle system can automatically control the motor to drive the connecting bracket 23 to rotate, move the first lens 21 into the washing cavity 11 for washing, move the second lens 22 out of the washing cavity 11, and move it to the original position of the first lens 21, so as to provide a clear view for the driver instead of the first lens 21.

[0095] In some embodiments of the present application, the vehicle rearview mirror 1 can further include a solenoid valve. The solenoid valve is arranged in the windshield washer supply pipe and is used to control whether the nozzle 310 sprays washing water. The in-vehicle system can be electrically connected to the solenoid valve. In this way, after the connecting bracket 23 rotates, the in-vehicle system can control the solenoid valve to open the valve core, and the windshield washer supply pipe can supply washing water to the nozzle 310, so that the nozzle 310 cleans the first lens 21.

[0096] It can be understood that in the present application, through the electrical connection between the in-vehicle system and hardware devices such as the laser receiver 42, the motor, and the solenoid valve, the mirror assembly 20 and the cleaning assembly 30 are automatically controlled, so that the reflecting surface facing the driver always remains clean, thereby providing a clear view and an intelligent experience for the driver.

[0097] Referring to Figure 4 and Figure 6 , in some other embodiments of the present application, a cleanliness detection component 40 can also be arranged in the washing cavity 11 (behind the second lens 22) to check whether the first reflecting surface 211 moved into the washing cavity 11 is clean, so as to ensure the safety of the next use of the first lens 21.

[0098] Figure 11 One of the schematic flowcharts of the vehicle rearview mirror cleaning method provided by the embodiments of the present application is shown. Refer to Figure 11 , the present application also provides a vehicle rearview mirror cleaning method, which may include:

[0099] S1. The cleanliness detection component detects the degree of dirt on the first reflecting surface;

[0100] S2. If the degree of dirt is greater than a preset value, control the connecting bracket to rotate so that the first reflecting surface moves into the washing cavity and the second reflecting surface moves out of the washing cavity.

[0101] In this way, the first reflecting surface and the second reflecting surface can be used alternately. When one of them provides a driving view, the other is in a cleaning or standby state, so that the vehicle rearview mirror can still provide a clear view during the cleaning process, which is beneficial to driving safety.

[0102] Figure 12 Another schematic flowchart of the vehicle rearview mirror cleaning method provided by the embodiments of the present application is shown. Refer to Figure 12 , in some embodiments of the present application, after the first reflecting surface moves into the washing cavity, the vehicle rearview mirror cleaning method further includes:

[0103] S3. Control the spraying member to spray washing water towards the first reflecting surface;

[0104] S4. Control the dirt scraping member to move along the first reflecting surface;

[0105] S5. Control the first heating member to heat the first reflecting surface.

[0106] In this way, the dirt scraping member and the spraying member can cooperate to effectively clean stubborn stains on the first reflecting surface. Moreover, after the cleaning is completed, the first heating member can quickly evaporate the residual washing water on the first reflecting surface, thereby preventing water marks from forming on the first reflecting surface and affecting the next use of the first lens.

[0107] Figure 13 Another schematic flowchart of the vehicle rearview mirror cleaning method provided by the embodiments of the present application is shown. Refer to Figure 13 , in some embodiments of the present application, the cleanliness detection component detects the degree of dirt on the first reflecting surface, including:

[0108] S101. Control the laser emitter to emit a periodic laser detection signal along the first reflecting surface;

[0109] S102. The laser receiver receives the laser detection signal;

[0110] S103. The laser receiver converts the laser detection signal into an electrical signal;

[0111] S104. The in-vehicle system receives an electrical signal and determines the degree of soiling of the first reflecting surface according to the strength of the electrical signal.

[0112] In this way, the principle of linear propagation of laser can be utilized to accurately characterize the degree of soiling of the first reflecting surface. In some specific application scenarios, the driver may adjust the angle of the first reflecting surface. For example, when parking sideways, the driver may need to adjust the first reflecting surface downward to observe the distance between the rear wheel and the curb. At this time, in order to ensure that the laser detection signal emitted by the laser transmitter can still propagate along the first reflecting surface, an automatic calibration system can be integrated into the in-vehicle system. When the driver adjusts the first reflecting surface, the position sensor in the automatic calibration system can automatically detect the position and angle changes of the first reflecting surface, and re-adjust the emission angle of the laser detection signal through a calibration algorithm to ensure that the laser detection signal can always propagate along the first reflecting surface.

[0113] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions within the technical scope disclosed in the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A vehicle rearview mirror, characterized in that: The vehicle rearview mirror comprises: Rearview mirror base; The reflector assembly is connected to the rearview mirror base and encloses a washing chamber, including: A first lens, rotatably connected to the rearview mirror base, having a first reflective surface; A second lens, rotatably connected to the rearview mirror base, and having a second reflecting surface; The cleanliness detection component is arranged on the side of the rearview mirror base away from the washing chamber, and includes: a laser transmitter connected to one end of the rearview mirror base and capable of transmitting a laser detection signal along one of the first reflective surface and the second reflective surface; A laser receiver connected to the other end of the rearview mirror base and capable of receiving the laser detection signal; A cleaning component, disposed in the washing chamber, spraying washing water toward one of the first reflecting surface and the second reflecting surface; Wherein, the reflector assembly includes a first state and a second state. In the first state, the first lens is located outside the washing chamber, and the second lens is located inside the washing chamber; in the second state, the first lens is rotated into the washing chamber, and the second lens is rotated outside the washing chamber.

2. The vehicle rearview mirror according to claim 1, characterized in that: The vehicle rearview mirror also includes: A position sensor, used for being electrically connected to a vehicle computer system and detecting a rotation angle of the first lens and the second lens; The laser transmitter is electrically connected to the vehicle system, so that the vehicle system controls the angle at which the laser transmitter transmits the laser detection signal according to the rotation angle.

3. The vehicle rearview mirror according to claim 1, characterized in that: The reflector assembly also includes a connecting bracket, which is rotatably connected to the rearview mirror base, and the first lens and the second lens are respectively connected to opposite sides of the connecting bracket.

4. The vehicle rearview mirror according to claim 3, characterized in that: The vehicle rearview mirror further comprises a driving member, wherein the driving member is connected to the rearview mirror base; the connecting bracket comprises: A rotating shaft, one end of which is connected to the driving member, and the other end of which is rotatably connected to the rearview mirror base; A fixing rod is connected to the rotating shaft, and the first lens and the second lens are respectively connected to opposite sides of the fixing rod.

5. The vehicle rearview mirror according to claim 4, characterized in that: The cleaning assembly comprises: a plurality of nozzles, the plurality of nozzles are arranged above the washing chamber and are spaced apart along a first direction; Wherein, the first direction is parallel to the extending direction of the rotation axis.

6. The vehicle rearview mirror according to any one of claims 1 to 5, characterized in that: The rearview mirror base is provided with a guide groove located below the washing chamber; the cleaning assembly also includes a scraping member, and the scraping member has a first state and a second state; When the scraping member is in the first state, the scraping member is located in the guide groove; When the scraping member is in the second state, the scraping member can slide on one of the first reflecting surface and the second reflecting surface along a second direction; The second direction is perpendicular to the first direction.

7. The vehicle rearview mirror according to claim 6, characterized in that: The scraping member comprises: a friction portion capable of sliding on one of the first reflecting surface and the second reflecting surface; and a dirt guide portion, wherein the dirt guide portion is arranged at an angle with the friction portion so that the washing water in the moving direction of the friction portion flows into the guide groove along the dirt guide portion.

8. The vehicle rearview mirror according to claim 6, characterized in that: The rearview mirror base is also provided with a sewage outlet; the guide groove is inclined toward the sewage outlet.

9. The vehicle rearview mirror according to claim 1, characterized in that: The first lens further includes: a first heating surface, wherein the first heating surface and the first reflecting surface are respectively located on two opposite sides of the first lens; the second lens further includes: a second heating surface, wherein the second heating surface and the second reflecting surface are respectively located on two opposite sides of the second lens; The vehicle rearview mirror also includes: a first heating element connected to the first heating surface; and a second heating element connected to the second heating surface.

10. A vehicle, characterized in that: The vehicle comprises the vehicle rearview mirror according to any one of claims 1-9.

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