A method and system for observing a rearview mirror of a vehicle with an electronic camera via a hud

Abstract

The present application relates to the technical field of vehicle driving assistance system, and more particularly to a system and method for observing automobile electronic camera rearview mirror through HUD, comprising a HUD electronic rearview mirror system, wherein the HUD electronic rearview mirror system comprises a projection imaging system, and the projection imaging system is connected with an adjusting mechanism, a moving mechanism and a projection mechanism.The system and method for observing automobile electronic camera rearview mirror through HUD are improved in terms of the projection of HUD image information on the windshield position on the basis of the existing observation of electronic camera rearview mirror through HUD technology, so as to adjust the left and right projection positions, the rotation angle and the projection height of the HUD image information, and better adapt to the driving habits of the driver, so as to better integrate the scene outside and the data displayed by the HUD, and more facilitate the auxiliary driving.

Description

Technical Field

[0001] This invention relates to the field of vehicle driver assistance systems, and in particular to a method and system for observing a car's electronic camera rearview mirror via a HUD. Background Technology

[0002] A head-up display (HUD), also known as a head-up display, is commonly used in vehicles. Utilizing the principle of optical reflection, it projects information such as speed warnings, vehicle status monitoring, fuel consumption, temperature, speed, and navigation onto the windshield in front of the driver. This allows the driver to focus their attention on the road ahead, enabling them to see important driving information such as speed and navigation without looking down or turning their head, thus achieving proactive driving safety.

[0003] Rearview mirrors, as the primary source of rearward visibility for vehicles, play a vital role in ensuring driving safety. However, traditional car rearview mirrors and their associated components suffer from poor usability, curved imaging that causes image distortion, and significant blind spots. To address this, existing technology (CN 215642058U) provides an electronic rearview mirror based on a head-up display (HUD). By combining an electronic camera rearview mirror with HUD technology, the projection system projects the generated image information onto the windshield, thus assisting driving.

[0004] Regarding the above-mentioned technical solutions, the above-mentioned technologies still have significant technical defects: since the existing technologies only project images of the vehicles behind the vehicle through the electronic camera rearview mirror via HUD, the left and right projection position and rotation angle of the HUD image information of the electronic camera rearview mirror cannot be adjusted. Due to different driving habits, when the driver looks forward through the HUD, he cannot better integrate the external scene with the data displayed on the HUD. Summary of the Invention

[0005] The main objective of this invention is to overcome the problem in existing technologies that the left and right projection positions and rotation angles of HUD image information from electronic camera rearview mirrors cannot be adjusted. This invention provides a method and system for observing automotive electronic camera rearview mirrors via HUD. The system allows for adjustment of the left and right projection positions, rotation angles, and projection height of the HUD image information, thereby better aligning with the driver's driving habits. This facilitates better integration of the external scene with the information displayed on the HUD, further enhancing driver assistance.

[0006] The technical solution adopted by the present invention to achieve its technical objective is: a system for observing the rearview mirror of an automotive electronic camera via a HUD, including a HUD electronic rearview mirror system, wherein the HUD electronic rearview mirror system includes a projection imaging system, and the HUD electronic rearview mirror system includes, but is not limited to, the projection imaging system, wherein the projection imaging system is connected to an adjustment mechanism;

[0007] The adjustment mechanism includes a housing and a mounting plate. The top of the housing has a movable groove and a through groove. The through groove is located inside the middle of the movable groove and is connected to the movable groove. The mounting plate is located inside the movable groove, and a connecting plate is fixedly connected to one side of it via a connecting column. One end of the connecting column passes through the through groove and is fixedly connected to the connecting plate. The top of the connecting plate is attached to the bottom of the housing. Movable rods are hinged to both sides of the bottom of the connecting plate. Two sets of movable rods are provided and arranged in parallel.

[0008] The movable rod is composed of a long rod and a short rod hinged together. A toothed plate is fixedly connected to one side wall of the long rod, and one end of the short rod is hinged to the bottom of the connecting plate. A drive gear is meshed with one side of the toothed plate. A bending plate is provided at the bottom of the drive gear and the connecting plate. Both the drive gear and the connecting plate are rotatably connected to the horizontal plate of the bending plate through a rotating shaft. By rotating the drive gear, the toothed plate and the movable rod are driven to make a left-right linear movement, so that the movable rod can push / pull the connecting plate to rotate with a small amplitude and small angle. The connecting plate is connected to the mounting plate as a whole through a connecting column, so that the connecting plate drives the mounting plate to rotate.

[0009] Preferably, the horizontal plate portion of the bent plate is provided with a first sliding groove inside the bottom of the box body, and the horizontal plate portion of the bent plate is slidably connected to the inside of the first sliding groove by a sliding block; under the restriction of the sliding block, the horizontal plate portion of the bent plate can slide left and right inside the bottom of the box body.

[0010] One side of the movable rod is provided with a second sliding groove inside the bottom of the box, and the long part of the movable rod is also slidably connected to the inside of the second sliding groove by a sliding block; under the restriction of the sliding block, the long part of the movable rod can also slide left and right inside the bottom of the box.

[0011] Preferably, a drive motor is fixedly connected to the top of the drive gear, and the drive motor drives the drive gear. Brackets are fixedly connected to both sides of the outer wall of the drive motor. The two ends of the brackets are slidably connected to the bottom inner wall of the box through slide rails. The slide rails are fixedly connected to the bottom inner wall of the box. The brackets and slide rails ensure that the drive motor can move left and right.

[0012] Preferably, the vertical plate portion of the bending plate is provided with a moving mechanism;

[0013] The moving mechanism includes two sets of fixed plates placed in parallel. A sliding rod is provided between the two sets of fixed plates for fixed connection. A lead screw is provided at the middle of the fixed plate, and the two ends of the lead screw are rotatably connected to the fixed plate.

[0014] A movable plate is also provided between the two sets of fixed plates. The two ends of the movable plate are slidably connected to the slide rod, and the middle end is threadedly connected to the lead screw. By rotating the lead screw, the movable plate can be driven to slide left and right on the slide rod.

[0015] A guide rod is fixedly attached to the top of the movable plate. One end of the guide rod passes through the interior of the top of one of the fixed plates. The guide rod is slidably connected to the fixed plate, and one end of the guide rod is fixedly connected to the vertical plate portion of the bent plate. With the guide rod, the guide rod can push or pull the bent plate to slide left and right inside the box under the action of the movable plate.

[0016] Preferably, a speed reducer is provided at one end of the lead screw, the speed reducer is fixedly mounted on another fixed plate, and a servo motor is fixedly mounted on one side of the speed reducer. The lead screw can be driven to rotate by the servo motor and the speed reducer.

[0017] Preferably, a projection mechanism is provided at the bottom of the box body. The projection mechanism includes a bridge plate. Arc-shaped plates are fixedly connected to the outer walls of both ends of the bridge plate, and an annular toothed plate is fixedly connected to the middle end. A sliding plate is slidably connected to the outer wall of the arc-shaped plate. The top of the sliding plate is fixedly connected to the bottom of the box body. By setting the sliding plate, the two ends of the box body can be restricted to the arc-shaped plates in the projection mechanism.

[0018] A worm gear is meshed with one side of the annular toothed plate, and positioning plates are rotatably connected to both ends of the worm gear. One end of the positioning plate is fixedly connected to the bottom of the housing, and a low-speed motor is fixedly connected to one end of the worm gear. The low-speed motor drives the worm gear to rotate. Since the two ends of the housing are restricted by the sliding plate and the arc-shaped plate, the worm gear moves along the teeth of the annular toothed plate when it rotates.

[0019] Preferably, the arc-shaped plate is configured as a bent type, one side of the arc-shaped plate is fixedly connected to the bridge plate, the other side of the arc-shaped plate is slidably connected to the slide plate above, and a limit block is provided below the other side. An adjusting bolt is threaded inside the limit block, and one end of the adjusting bolt passes through the limit block and the other side of the arc-shaped plate and is threaded inside the slide plate; a limit groove is formed inside the other side of the arc-shaped plate.

[0020] The adjusting bolt and the limiting block are used to connect the slide plate to the arc plate, and at the same time, the limiting groove and the limiting block enable the slide plate to slide in an arc on the arc plate.

[0021] Preferably, the side of the worm gear away from the annular toothed plate has a corresponding mounting groove on the bottom exterior of the housing, which facilitates the installation of the worm gear and the low-speed motor.

[0022] A method for observing a car's electronic camera rearview mirror via a HUD, applied to a system for observing a car's electronic camera rearview mirror via a HUD, the method comprising:

[0023] The projection imaging system is mounted above the adjustment mechanism, and the projection rotation angle of the projection imaging system is adjusted by the adjustment mechanism; the projection imaging system is mounted on the mounting plate in the adjustment mechanism, and the projection rotation angle is adjusted by rotating the mounting plate.

[0024] The adjustment mechanism, in conjunction with the moving mechanism, drives the projection imaging system to move left and right, thereby adjusting the projection position of the projection imaging system. The moving plate and guide rod in the moving mechanism drive the bending plate to move left and right, which in turn drives the mounting plate to move left and right, thus adjusting the projection position.

[0025] The adjustment mechanism and the moving mechanism, together with the projection mechanism, enable the adjustment of the projection height of the projection imaging system, making the projection height of the projection imaging system on the car windshield adjustable; by rotating the worm gear in the projection mechanism around the annular toothed plate, the housing can be raised and lowered in the front and rear directions, thereby adjusting the projection position height.

[0026] Compared with the prior art, the beneficial effects of the present invention are as follows: This system and method for observing the rearview mirror of an electronic camera via HUD improves the display and projection of HUD image information onto the windshield position, based on the existing HUD technology for observing the rearview mirror of an electronic camera. The entire HUD electronic rearview mirror system or a separate projection imaging system is pre-installed on a mounting plate. The entire device, consisting of an adjustment mechanism, a moving mechanism, a projection mechanism, and a projection imaging system, is then installed in the center console at the windshield position of the car. During use, the projection rotation angle is adjusted by the adjustment mechanism, the projection position is adjusted left and right by the moving mechanism, and the worm gear in the projection mechanism rotates around a ring-shaped toothed plate, allowing the housing and mounting plate to rise and fall in the front and rear directions, thereby adjusting the projection position height. This achieves adjustment of the left and right projection position, rotation angle, and projection height of the HUD image information, better aligning with the driver's driving habits and facilitating better integration of the external scene with the HUD displayed information, thus enhancing driver assistance. Attached Figure Description

[0027] Figure 1 This is a top view of the system's structure.

[0028] Figure 2 This is a top-view sectional view of the system.

[0029] Figure 3 This is a three-dimensional structural diagram of the moving mechanism.

[0030] Figure 4 This is a schematic diagram of the main structure of the system.

[0031] Figure 5 This is a schematic diagram of the side structure of the system.

[0032] Figure 6 This is a side view structural diagram of the middle section of the projection mechanism.

[0033] Figure 7 A side view diagram of the sliding block that mates with the first and second sliding slots.

[0034] in:

[0035] 1-Box body; 101-Mounting plate; 102-Moving groove; 103-Through groove; 104-Connecting column; 105-Connecting plate; 106-Bending plate; 107-First sliding groove; 108-Moving rod; 109-Grate plate; 110-Drive gear; 111-Second sliding groove; 112-Drive motor; 113-Bracket; 114-Slide rail; 2-Fixed plate; 201-Slide rod; 202-Lead screw; 203-Moving plate; 204-Guide rod; 205-Servo motor; 206-Reducer; 3-Slide plate; 301-Bridge plate; 302-Arc plate; 303-Limit block; 304-Adjusting bolt; 305-Limit groove; 306-Annular toothed plate; 307-Mounting groove; 308-Worm gear; 309-Positioning plate; 310-Low speed motor. Implementation

[0036] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0037] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0038] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. However, it should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of the invention. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of the invention. Example

[0039] Please see Figure 1-2 and Figure 7A system for observing a car electronic camera rearview mirror via HUD includes a HUD electronic rearview mirror system, the HUD electronic rearview mirror system includes a projection imaging system, the HUD electronic rearview mirror system includes, but is not limited to, the projection imaging system, and the projection imaging system is connected to an adjustment mechanism.

[0040] The adjustment mechanism includes a housing 1 and a mounting plate 101. The top of the housing 1 has a movable groove 102 and a through groove 103. The through groove 103 is located inside the middle of the movable groove 102 and is connected to the movable groove 102. The mounting plate 101 is located inside the movable groove 102, and a connecting plate 105 is fixedly connected to one side by a connecting post 104. One end of the connecting post 104 passes through the through groove 103 and is fixedly connected to the connecting plate 105. The top of the connecting plate 105 is attached to the bottom of the housing 1. Movable rods 108 are hinged to the bottom two sides of the connecting plate 105. Two sets of movable rods 108 are provided and are arranged in parallel.

[0041] The movable rod 108 is composed of a long rod and a short rod, which are hinged together. One end of the long rod of the movable rod 108 is fixedly connected to a toothed plate 109, and one end of the short rod is hinged to the bottom of the connecting plate 105. A drive gear 110 is meshed with one side of the toothed plate 109. A bending plate 106 is provided at the bottom of the drive gear 110 and the connecting plate 105. The drive gear 110 and the connecting plate 105 are rotatably connected to the horizontal plate of the bending plate 106 through a rotating shaft. By rotating the drive gear 110, it drives the toothed plate 109 and the movable rod 108 to make a left-right linear movement. Thus, the movable rod 108 can push / pull the connecting plate 105 to rotate with a small amplitude and small angle. The connecting plate 105 is connected to the mounting plate 101 as a whole through the connecting post 104, so that the connecting plate 105 drives the mounting plate 101 to rotate.

[0042] A drive motor 112 is fixedly connected to the top of the drive gear 110, and the drive gear 110 is driven by the drive motor 112. A bracket 113 is fixedly connected to both sides of the outer wall of the drive motor 112. The two ends of the bracket 113 are slidably connected to the bottom inner wall of the housing 1 through the slide rail 114. The slide rail 114 is fixedly connected to the bottom inner wall of the housing 1. The bracket 113 and the slide rail 114 ensure that the drive motor 112 has the conditions to move left and right.

[0043] Furthermore, the horizontal plate portion of the bent plate 106 has a corresponding first sliding groove 107 inside the bottom of the housing 1. The horizontal plate portion of the bent plate 106 is slidably connected to the inside of the first sliding groove 107 by a sliding block. Under the restriction of the sliding block, the horizontal plate portion of the bent plate 106 can slide left and right inside the bottom of the housing 1. When the bent plate 106 slides left and right, it can cause the drive gear 110 and the connecting plate 105 to move together. Since the drive gear 110 and the toothed plate 109 mesh, the drive gear 110 can use the meshing force to move the toothed plate 109 and the movable rod 108 together.

[0044] A second sliding groove 111 is correspondingly provided on one side of the movable rod 108 inside the bottom of the box 1. The long rod part of the movable rod 108 is also slidably connected to the inside of the second sliding groove 111 by a sliding block. Under the restriction of the sliding block, the long rod part of the movable rod 108 can also slide left and right inside the bottom of the box 1.

[0045] Specifically, in use, when it is necessary to adjust the rotation of the image information projected onto the windshield by the projection imaging system, the drive motor 112 is started to drive the drive gear 110 to rotate. By rotating the drive gear 110, the toothed plate 109 and the movable rod 108 move in a left-right linear motion. Thus, the movable rod 108 can push / pull the connecting plate 105 to rotate in a small amplitude and small angle. The connecting plate 105 is connected to the mounting plate 101 as a whole through the connecting post 104. Thus, the connecting plate 105 drives the mounting plate 101 to rotate, thereby realizing the adjustment of the rotation of the image information on the windshield. Example

[0046] Please see Figure 1-3 Based on the above embodiments, in this system for observing the rearview mirror of an automotive electronic camera via a HUD, the vertical plate portion of the bending plate 106 is provided with a moving mechanism.

[0047] The moving mechanism includes two sets of fixed plates 2, which are placed in parallel. A slide rod 201 is provided between the two sets of fixed plates 2 for fixed connection. A lead screw 202 is provided at the middle of the fixed plate 2, and the two ends of the lead screw 202 are rotatably connected to the fixed plate 2.

[0048] A movable plate 203 is also provided between the two sets of fixed plates 2. The two ends of the movable plate 203 are slidably connected to the slide rod 201, and the middle end is threadedly connected to the lead rod 202. By rotating the lead rod 202, the movable plate 203 can be driven to slide left and right on the slide rod 201.

[0049] A guide rod 204 is fixedly attached to the top of the movable plate 203. One end of the guide rod 204 passes through the inside of the top of one of the fixed plates 2. The guide rod 204 is slidably connected to the fixed plate 2, and one end of the guide rod 204 is fixedly connected to the vertical plate part of the bending plate 106. With the setting of the guide rod 204, the guide rod 204 can push or pull the bending plate 106 to slide left and right inside the box 1 under the drive of the movable plate 203.

[0050] A reducer 206 is provided at one end of the lead screw 202. The reducer 206 is fixedly installed on another fixed plate 2, and a servo motor 205 is fixedly installed on one side of it. Through the arrangement of the servo motor 205 and the reducer 206, the lead screw 202 can be driven to rotate.

[0051] Specifically, in use, when it is necessary to adjust the left and right position of the image information projected onto the windshield by the projection imaging system, the servo motor 205 is started to drive the lead screw 202 to rotate. By rotating the lead screw 202, the moving plate 203 can be driven to slide left and right on the slide rod 201. The guide rod 204 can be driven by the moving plate 203 to push or pull the bending plate 106 to slide left and right inside the housing 1. When the bending plate 106 slides left and right, it can cause the drive gear 110 and the connecting plate 105 to move together. Since the drive gear 110 and the toothed plate 109 mesh, the drive gear 110 can use the meshing force to drive the toothed plate 109 and the movable rod 108 to move together. At the same time, under the action of the bracket 113 and the slide rail 114, the drive motor 112 can also move left and right, thereby realizing the adjustment of the left and right position of the image information on the windshield.

[0052] The solution in this embodiment can be selectively combined with solutions in other embodiments. Example

[0053] Please see Figure 4-6 Based on the above embodiments, the system for observing the rearview mirror of the car electronic camera via HUD has a projection mechanism at the bottom of the housing 1. The projection mechanism includes a bridge plate 301, with arc-shaped plates 302 fixedly connected to the outer walls of both ends of the bridge plate 301, and an annular toothed plate 306 fixedly connected to the middle end. A slide plate 3 is slidably connected to the outer wall of the arc-shaped plate 302, and the top of the slide plate 3 is fixedly connected to the bottom of the housing 1. By setting the slide plate 3, both ends of the housing 1 can be restricted and connected to the arc-shaped plate 302 in the projection mechanism.

[0054] A worm gear 308 is meshed with one side of the annular toothed plate 306. Positioning plates 309 are rotatably connected to both ends of the worm gear 308. One end of the positioning plate 309 is fixedly connected to the bottom of the housing 1, and a low-speed motor 310 is fixedly connected to one end of the worm gear 308. The low-speed motor 310 drives the worm gear 308 to rotate. Because the two ends of the housing 1 are restricted by the sliding plate 3 and the arc-shaped plate 302, the worm gear 308 moves along the teeth of the annular toothed plate 306 when it rotates.

[0055] The curved plate 302 is configured as a bent type. One side of the curved plate 302 is fixedly connected to the bridge plate 301, and the other side of the curved plate 302 is slidably connected to the slide plate 3 on the upper side. A limit block 303 is provided on the lower side of the other side. An adjusting bolt 304 is threadedly connected inside the limit block 303. One end of the adjusting bolt 304 passes through the limit block 303 and the other side of the curved plate 302 and is threadedly connected to the inside of the slide plate 3. A limit groove 305 is opened inside the other side of the curved plate 302. The adjusting bolt 304 and the limit block 303 are used to restrict the slide plate 3 to be connected to the curved plate 302, and at the same time, the limit groove 305 and the limit block 303 allow the slide plate 3 to slide in an arc on the curved plate 302.

[0056] Furthermore, a mounting groove 307 is provided on the side of the worm gear 308 away from the annular toothed plate 306 on the bottom exterior of the housing 1. The mounting groove 307 facilitates the installation of the worm gear 308 and the low-speed motor 310.

[0057] Specifically, in use, when it is necessary to adjust the projection height of the image information projected onto the windshield by the projection imaging system, the low-speed motor 310 is started to drive the worm gear 308 to rotate. Under the interaction of the adjusting bolt 304, the limiting block 303 and the limiting groove 305, the slide plate 3 slides in an arc on the arc plate 302. When the worm gear 308 rotates, it moves along the teeth of the annular toothed plate 306. The two ends of the housing 1 are fixedly connected to the slide plate 3. The housing 1 slides in an arc on the arc plate 302 along with the slide plate 3, so the housing 1 and the mounting plate 101 can be raised / lowered in the front and back directions, thereby adjusting the projection position height.

[0058] The solution in this embodiment can be selectively combined with solutions in other embodiments. Example

[0059] Please see Figure 1-7 Based on the above embodiments, a method for observing a car's electronic camera rearview mirror via a HUD is provided, applied to a system for observing a car's electronic camera rearview mirror via a HUD. The method includes:

[0060] The projection imaging system is installed above the adjustment mechanism. The projection rotation angle of the projection imaging system is adjusted by the adjustment mechanism. The projection imaging system is installed on the mounting plate 101 in the adjustment mechanism. The projection rotation angle is adjusted by rotating the mounting plate 101.

[0061] The adjustment mechanism, in conjunction with the moving mechanism, drives the projection imaging system to move left and right, thereby adjusting the projection position of the projection imaging system. The moving plate 203 and guide rod 204 in the moving mechanism drive the bending plate 106 to move left and right, which in turn drives the mounting plate 101 to move left and right, thus adjusting the projection position.

[0062] The adjustment mechanism and the moving mechanism, together with the projection mechanism, enable the projection height of the projection imaging system to be adjusted, making the projection height of the projection imaging system on the car windshield adjustable. By rotating the worm gear 308 in the projection mechanism around the annular toothed plate 306, the housing 1 can be raised and lowered in the front and back directions, thereby adjusting the projection position height.

[0063] In use, the HUD electronic rearview mirror system or a separate projection imaging system is installed on the mounting plate 101 in the adjustment mechanism. The entire system, consisting of the adjustment mechanism, the moving mechanism, the projection mechanism, and the projection imaging system, is then installed in the center console at the windshield of the car. The rotation angle of the projection is adjusted by rotating the mounting plate 101 in the adjustment mechanism. The bending plate 106 and the mounting plate 101 are moved left and right by the moving plate 203 and the guide rod 204 in the moving mechanism to adjust the projection position left and right. The worm gear 308 in the projection mechanism rotates around the annular toothed plate 306, which allows the housing 1 and the mounting plate 101 to be raised and lowered in the front and rear directions, thereby adjusting the height of the projection position.

[0064] The solution in this embodiment can be selectively combined with solutions in other embodiments.

[0065] It should be noted that although the above embodiments have been described herein, this does not limit the scope of patent protection of this invention. Therefore, any changes and modifications made to the embodiments described herein based on the innovative concept of this invention, or equivalent structural, procedural, or functional transformations made using the description and drawings of this invention, directly or indirectly applying the above technical solutions to other related technical fields, are all included within the scope of protection of this invention.

Claims

1. A system for observing a car's electronic camera rearview mirror via a HUD, comprising a HUD electronic rearview mirror system, characterized in that: The HUD electronic rearview mirror system includes a projection imaging system, and the projection imaging system is connected to an adjustment mechanism. The adjustment mechanism includes a housing (1) and a mounting plate (101). The top of the housing (1) is provided with a movable groove (102) and a through groove (103). The through groove (103) is connected to the movable groove (102). The mounting plate (101) is located in the movable groove (102), and a connecting plate (105) is fixedly connected to one side by a connecting column (104). Movable rods (108) are hinged to both sides of the bottom of the connecting plate (105). The movable rod (108) is composed of a long rod and a short rod that are hinged together. A toothed plate (109) is fixedly connected to one side wall of the long rod of the movable rod (108). A drive gear (110) is meshed with one side of the toothed plate (109). A bending plate (106) is provided at the bottom of the drive gear (110) and the connecting plate (105). The drive gear (110) and the connecting plate (105) are rotatably connected to the horizontal plate part of the bending plate (106) through a rotating shaft. The horizontal plate portion of the bending plate (106) is provided with a first sliding slot (107) corresponding to the bottom of the box (1), and the horizontal plate portion of the bending plate (106) is slidably connected to the inside of the first sliding slot (107) by a sliding block; One side of the movable rod (108) is provided with a second sliding slot (111) corresponding to the bottom of the box (1), and one side of the long rod part of the movable rod (108) is also slidably connected to the inside of the second sliding slot (111) by a sliding block. The top of the drive gear (110) is fixedly connected to a drive motor (112), and the two sides of the outer wall of the drive motor (112) are fixedly connected to brackets (113). The two ends of the brackets (113) are slidably connected to the bottom inner wall of the box (1) through slide rails (114), and the slide rails (114) are fixedly connected to the bottom inner wall of the box (1). The vertical plate portion of the bending plate (106) is provided with a moving mechanism. When the bending plate (106) slides left and right, it causes the drive gear (110) and the connecting plate (105) to move together. The bottom of the box (1) is provided with a projection mechanism, which includes a bridge plate (301). The outer walls of both ends of the bridge plate (301) are fixedly connected with arc plates (302), and the middle end is fixedly connected with an annular toothed plate (306). The outer wall of the arc plate (302) is slidably connected with a slide plate (3), and the top of the slide plate (3) is fixedly connected to the bottom of the box (1). A worm gear (308) is meshed with one side of the annular toothed plate (306), and a positioning plate (309) is rotatably connected to both ends of the worm gear (308). One end of the positioning plate (309) is fixedly connected to the bottom of the housing (1); a low-speed motor (310) is fixedly connected to one end of the worm gear (308).

2. A system for observing a car's electronic camera rearview mirror via a HUD according to claim 1, characterized in that: The moving mechanism includes two sets of fixed plates (2) placed in parallel. A sliding rod (201) is provided between the two sets of fixed plates (2) for fixed connection. A lead screw (202) is provided at the middle end of the fixed plate (2), and the two ends of the lead screw (202) are rotatably connected to the fixed plate (2). A movable plate (203) is also provided between the two sets of fixed plates (2). The two ends of the movable plate (203) are slidably connected to the slide rod (201), and the middle end is threadedly connected to the lead rod (202). The top of the movable plate (203) is fixed with a guide rod (204). One end of the guide rod (204) passes through the inside of the top of one of the fixed plates (2). The guide rod (204) and the fixed plate (2) are slidably connected, and one end of the guide rod is fixedly connected to the vertical plate part of the bent plate (106).

3. A system for observing a car's electronic camera rearview mirror via a HUD according to claim 2, characterized in that: A speed reducer (206) is provided at one end of the lead screw (202). The speed reducer (206) is fixedly installed on another fixed plate (2), and a servo motor (205) is fixedly installed on one side of it.

4. A system for observing a car's electronic camera rearview mirror via a HUD according to claim 1, characterized in that: The arc plate (302) is configured as a bent type, with one side fixedly connected to the bridge plate (301), and the other side slidably connected to the slide plate (3) on the upper side. A limit block (303) is provided on the lower side of the other side. An adjusting bolt (304) is threaded inside the limit block (303). One end of the adjusting bolt (304) passes through the limit block (303) and the other side of the arc plate (302) and is threaded to the inside of the slide plate (3). A limiting groove (305) is provided inside the other side of the arc plate (302).

5. A system for observing a car's electronic camera rearview mirror via a HUD according to claim 1, characterized in that: The worm (308) on the side away from the annular toothed plate (306) is provided with a corresponding mounting groove (307) on the bottom outside of the housing (1).

6. A method for observing a car's electronic camera rearview mirror via a HUD, characterized in that, The method, applied to the system for viewing a car's electronic camera rearview mirror via a HUD as described in any one of claims 1-5, comprises: The projection imaging system is mounted above the adjustment mechanism, and the projection rotation angle of the projection imaging system is adjusted by the adjustment mechanism. The adjustment mechanism, in conjunction with the moving mechanism, drives the projection imaging system to move left and right, thereby adjusting the projection position of the projection imaging system left and right. The adjustment mechanism and the moving mechanism, together with the projection mechanism, enable the projection height of the projection imaging system to be adjusted, making the projection height of the projection imaging system on the car windshield adjustable.

Images