Virtual projection switch rearview mirror

Abstract

The utility model discloses a virtual projection switch rearview mirror which comprises a decoration cover, an auxiliary mirror shell and a base, the base is installed on a vehicle door metal plate, the decoration cover and the auxiliary mirror shell are assembled to form a rearview mirror body, and the rearview mirror body is installed on the base; a human body induction assembly and a heating assembly arranged around the human body induction assembly are arranged at the bottom of the auxiliary mirror shell, the bottom of the heating assembly is exposed out of the auxiliary mirror shell, and a guide inclined face facing the bottom face of the human body induction assembly is formed on the exposed part of the heating assembly. The heating assembly can heat the bottom face of the human body induction assembly, the bottom face of the human body induction assembly is usually located at the position where the signal transmitting probe is located, and therefore the fog face and water drops at the position can be effectively removed by heating the position, and therefore the identification influence of rainy days on the human body induction assembly is reduced.

Description

Technical Field

[0001] This application relates to the technical field of automotive spare parts, and in particular to a virtual projection switch rearview mirror. Background Art

[0002] The existing automatic recognition switch door system based on millimeter-wave radar mainly relies on the radar sensor at the bottom of the rearview mirror. By detecting the distance and speed of an object, it determines whether there is an obstacle, so as to realize automatic recognition and control the opening or closing of the electric door. This system is convenient to operate and improves the riding experience, but there are problems with the recognition accuracy under bad weather conditions.

[0003] When it is rainy or in winter, the bottom surface of the rearview mirror will be contaminated with water droplets or fogged. These moisture or atomization will interfere with the radar beam, affect the transmission and reception of radar signals, resulting in inaccurate recognition distance and even inability to recognize objects. Therefore, there is an urgent need for a solution that can effectively overcome the influence of bad weather and improve the reliability of the automatic recognition switch door system of the rearview mirror. Summary of the Invention

[0004] The purpose of this application is to provide a virtual projection switch rearview mirror.

[0005] To achieve the above purpose, the technical solution adopted in this application is: a virtual projection switch rearview mirror, including a decorative cover, a secondary mirror housing and a base. The base is installed on the door sheet metal. The decorative cover and the secondary mirror housing are assembled to form a rearview mirror main body, and the rearview mirror main body is installed on the base. A human body sensing component and a heating component arranged around the human body sensing component are provided at the bottom of the secondary mirror housing. The bottom of the heating component exposes the secondary mirror housing, and a guiding inclined surface facing the bottom surface of the human body sensing component is formed on the exposed part of the heating component.

[0006] As a preference, the human body sensing component includes a projection mechanism and a radar mechanism. The heating component is located within the range where the radar mechanism is located. The projection mechanism has a projection range towards the ground, and the sensing range of the radar mechanism coincides or partially coincides with the projection range.

[0007] As a preference, the radar mechanism includes one or more of a millimeter-wave radar, a lidar, an infrared sensor, and a depth camera, and the radar mechanism forms a probe.

[0008] As a preference, a bottom plate is provided at the bottom of the base. The heating component includes a heat transfer sleeve. The heat transfer sleeve is located at the bottom of the bottom plate. The probe is located at the inner center of the heat transfer sleeve. The guiding inclined surface is formed at the bottom of the inner cavity of the heat transfer sleeve and is located below the probe.

[0009] As a preference, the included angle range between the guiding inclined plane and the horizontal plane of the bottom plate is 30° to 60°.

[0010] As a preference, several connecting parts are arranged above the heat transfer sleeve and are equally distributed along the circumference. A fixing part is arranged above the connecting parts. The fixing part is fixedly connected to the bottom plate. The fixing part, the connecting parts and the heat transfer sleeve are all made of metal materials with good heat conduction performance.

[0011] As a preference, a heat insulation plate is further arranged above the fixing part; the radar mechanism includes a sensor main body located above the bottom plate, and the heat insulation plate separates the heating component from the sensor main body.

[0012] As a preference, both the fixing part and the heat insulation plate are annular. The inner cavity diameter of the fixing part is larger than the inner cavity diameter of the heat insulation plate, so that an installation space is formed after the fixing part and the heat insulation plate are joined, and a heating wire is installed in the installation space.

[0013] As a preference, the radar mechanism is arranged on the side of the bottom plate away from the car door sheet metal.

[0014] As a preference, the projection mechanism is located between the radar mechanism and the car door sheet metal.

[0015] Compared with the prior art, the beneficial effects of the present application are as follows:

[0016] The heating component can heat the bottom surface of the human body sensing component. The bottom surface of the human body sensing component is often where the signal transmitting probe is located. Therefore, heating this place can effectively remove the fog surface or water droplets here, thereby reducing the influence of rainy days on the recognition of the human body sensing component. Description of the Drawings

[0017] Figure 1 is the overall schematic diagram of an embodiment of the present application.

[0018] Figure 2 is the structural schematic diagram of the base bottom plate in the present application.

[0019] Figure 3 is Figure 2 the structural schematic diagram of the human body sensing component and the heating component in

[0020] Figure 4 is Figure 3 the cross-sectional view of

[0021] In the figure: 1, door sheet metal; 2, rearview mirror body; 3, shaft hole; 4, bottom plate; 5, projection mechanism; 6, radar mechanism; 7, heat transfer sleeve; 8, probe; 9, connecting part; 10, heating wire; 11, fixing part; 12, guiding inclined surface; 13, heat insulation plate. Specific embodiments

[0022] Next, in combination with specific embodiments, the present application will be further described. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0023] In the description of the present application, it should be noted that for orientation terms, such as terms "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the indicated orientation and position relationship are based on the orientation or position relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present application.

[0024] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and do not necessarily describe a specific order or sequence.

[0025] The terms "comprising" and "having" in the description and claims of the present application, and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0026] Embodiment:

[0027] Referring to Figures 1 to 4 , this embodiment provides a virtual projection switch rearview mirror, including a decorative cover, a secondary mirror housing and a base. The base is installed on the door sheet metal 1. The decorative cover and the secondary mirror housing are assembled to form the rearview mirror body 2, and the rearview mirror body 2 is installed on the base. A human body sensing component and a heating component are arranged around the human body sensing component at the bottom of the secondary mirror housing. The bottom of the heating component is exposed from the secondary mirror housing, and the exposed part of the heating component forms a guiding inclined surface 12 facing the bottom surface of the human body sensing component. This embodiment relates to the automatic opening and closing of the door. Therefore, the door obviously needs to be equipped with a driving mechanism and a control system. The control system is used to receive the signal of the human body sensing component, control the heating component, and control the driving mechanism to open or close the door.

[0028] For the convenience of accurately opening the car door and considering anti-theft, the car door will not automatically open when everyone passes through the sensing area of the human body sensing component. In the prior art, for example, the Bluetooth connection method can be adopted. When the Bluetooth of the car owner's mobile phone is connected to the car Bluetooth when the car owner approaches the car, the human body sensing component in the rearview mirror will be activated, and then it will sense the car owner's passing to open and close the door. The heating component is usually used to heat the rearview mirror lens to defog and remove water droplets. In this embodiment, another function of the heating component is to heat the human body sensing component arranged on the rearview mirror surface. The bottom of the rearview mirror is also prone to fogging or getting wet in rainy days, and fog and water will interfere with the sensing of common human body sensing components, thus affecting their accurate operation. Therefore, in rainy days, the heating component can heat the bottom surface of the human body sensing component. The bottom surface of the human body sensing component is often where the signal transmitting probe 8 is located. Therefore, heating this place can effectively remove the fog or water droplets here, thereby reducing the influence of rainy days on the recognition of the human body sensing component. Due to the heat conduction effect, the exposed part at the bottom of the heating component has a higher temperature, and the gas inside this part is heated, and the hot air is easy to move upward. Therefore, through the action of the guiding inclined surface 12, the hot air acts on the bottom surface of the human body sensing component, thereby increasing the efficiency of defogging and water removal. Generally, the defogging can be completed within a few seconds to more than ten seconds. The Bluetooth between the mobile phone and the car can generally be connected at a distance of about 20 - 30 meters. At this distance, it takes about twenty seconds for the car owner to walk to the car door. Therefore, before the car owner approaches the car door, the defogging operation can generally be completed, thus ensuring accurate recognition in rainy days.

[0029] The human body sensing component includes 5 projection mechanisms and a radar mechanism 6. The heating component is located within the range where the radar mechanism 6 is located. The projection mechanism 5 has a projection range towards the ground, and the sensing range of the radar mechanism 6 coincides or partially coincides with the projection range. The projection cursor generated by the projection mechanism 5 (i.e., the projection area on the ground) coincides with the sensing range of the radar mechanism 6 on the ground. Thus, the projection area can be regarded as a virtual switch. When a passenger enters or leaves this projection area, the function of automatically opening and closing the car door can be realized. Among them, the projection mechanism 5 is a common prior art in this field, and different projection contents can be designed according to needs.

[0030] Preferably, the radar mechanism 6 includes one or more of a millimeter-wave radar, a lidar, an infrared sensor, and a depth camera. The radar mechanism 6 is formed with a probe 8. Generally, a millimeter-wave radar is preferably used, and its recognition result is relatively accurate.

[0031] Such as Figure 1 、 Figure 2As shown in the figure, a bottom plate 4 is provided at the bottom of the base. The bottom plate 4 has a shaft hole 3 for installing a shaft portion for rotating the rearview mirror. The heating assembly includes a heat transfer sleeve 7 located at the bottom of the bottom plate 4. A probe 8 is located at the center inside the heat transfer sleeve 7. A guiding inclined surface 12 is formed at the bottom of the inner cavity of the heat transfer sleeve, and the guiding inclined surface 12 is located below the probe 8. The heat transfer sleeve 7 is used to transfer heat. Part of the heat is transferred to the guiding inclined surface 12, and the hot air rises through the guiding inclined surface 12 and acts on the bottom surface of the probe 8 for defogging. Preferably, the included angle range between the guiding inclined surface 12 and the horizontal plane of the bottom plate 4 is 30° to 60°. If the angle is too large, correspondingly, the hot air is likely to rise relatively linearly, and at this time, the hot air is not easily guided to the bottom surface of the probe 8. If the angle is too small, the hot air needs a relatively large lateral displacement to rise to the bottom surface of the probe 8. At this time, when the hot air reaches the position of the probe 8, the heat carried is greatly lost.

[0032] As Figure 3 shown, several connecting parts 9 are arranged at equal intervals along the circumference above the heat transfer sleeve 7. A fixing part 11 is arranged above the connecting part 9. The fixing part 11 is fixedly connected to the bottom plate 4. The fixing part 11, the connecting part 9, and the heat transfer sleeve 7 are all made of metal materials with good heat conduction performance. The interval arrangement of the connecting parts 9 is to facilitate the installation of the heat transfer sleeve 7, the connecting parts 9, and the fixing part 11 on the bottom plate 4.

[0033] As Figure 4 shown, a heat insulation plate 13 is further arranged above the fixing part 11; the radar mechanism 6 includes a sensor main body located above the bottom plate 4. The heat insulation plate 13 separates the heating assembly from the sensor main body, thereby preventing the heating of the heating assembly from having too much influence on the radar mechanism 6.

[0034] As Figure 3 shown, both the fixing part 11 and the heat insulation plate 13 are annular. The inner cavity diameter of the fixing part 11 is larger than the inner cavity diameter of the heat insulation plate 13, so that an installation space is formed after the fixing part 11 and the heat insulation plate 13 are connected. A heating wire 10 is installed in the installation space. The heating wire 10 can be installed in this environment relatively far from the sensor main body.

[0035] As Figure 2 shown, the radar mechanism 6 is arranged on the side of the bottom plate 4 away from the vehicle door sheet metal 1, and the projection mechanism 5 is located between the radar mechanism 6 and the vehicle door sheet metal 1. In order to ensure the accuracy of the radar mechanism 6, generally, the radar mechanism 6 should be relatively close to the projection area, so that when the radar mechanism 6 emits signals, it can be relatively vertical without emitting signals at an excessive inclination, which is beneficial to ensuring the detection accuracy of the radar mechanism 6.

[0036] The foregoing has described the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and what is described in the above embodiments and the specification is only the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements will occur to the present application, and these changes and improvements all fall within the scope of the present application claimed. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A virtual projection switch rearview mirror, characterized in that, It includes a decorative cover, a secondary mirror housing and a base. The base is mounted on the vehicle door sheet metal. The decorative cover and the secondary mirror housing are assembled to form a rearview mirror body, and the rearview mirror body is mounted on the base. A human body sensing component and a heating component arranged around the human body sensing component are provided at the bottom of the secondary mirror housing. The bottom of the heating component exposes the secondary mirror housing, and a guiding inclined surface facing the bottom surface of the human body sensing component is formed on the exposed part of the heating component.

2. The virtual projection switch rearview mirror according to claim 1, wherein The human body sensing component includes a projection mechanism member and a radar mechanism. The heating component is located within the range where the radar mechanism is located. The projection mechanism has a projection range towards the ground, and the sensing range of the radar mechanism coincides with or partially coincides with the projection range.

3. The virtual projection switch rearview mirror according to claim 2, characterized in that, The radar mechanism includes one or more of a millimeter wave radar, a lidar, an infrared sensor, and a depth camera, and a probe is formed on the radar mechanism.

4. The virtual projection switch rearview mirror according to claim 3, wherein A bottom plate is provided at the bottom of the base. The heating component includes a heat transfer sleeve. The heat transfer sleeve is located at the bottom of the bottom plate. The probe is located at the inner center of the heat transfer sleeve. The guiding inclined surface is formed at the bottom of the inner cavity of the heat transfer sleeve, and the guiding inclined surface is located below the probe.

5. The virtual projection switch rearview mirror according to claim 4, characterized in that The included angle range between the guiding inclined surface and the horizontal plane of the bottom plate is 30° to 60°.

6. The virtual projection switch rearview mirror according to claim 4, wherein, A plurality of connecting parts are arranged equidistantly in a circle above the heat transfer sleeve. A fixing part is provided above the connecting parts. The fixing part is fixedly connected to the bottom plate. The fixing part, the connecting parts and the heat transfer sleeve are all made of metal materials with good heat conduction performance.

7. The virtual projection switch rearview mirror according to claim 6, wherein, An insulating plate is further provided above the fixing part. The radar mechanism includes a sensor main body located above the bottom plate. The insulating plate separates the heating component from the sensor main body.

8. The virtual projection switch rearview mirror according to claim 7, characterized in that, Both the fixing part and the insulating plate are annular. The inner cavity diameter of the fixing part is larger than the inner cavity diameter of the insulating plate, so that an installation space is formed after the fixing part and the insulating plate are joined. A heating wire is installed in the installation space.

9. The virtual projection switch rearview mirror according to claim 4, wherein, The radar mechanism is arranged on the side of the bottom plate away from the vehicle door sheet metal.

10. The virtual projection switch rearview mirror according to claim 9, wherein The projection mechanism is located between the radar mechanism and the vehicle door sheet metal.

Images