CN-122009020-A - Automatic adjusting system, method, vehicle, equipment, medium and product for inner rearview mirror

CN122009020ACN 122009020 ACN122009020 ACN 122009020ACN-122009020-A

Abstract

The invention provides an automatic adjusting system, method, vehicle, equipment, medium and product of an inner rearview mirror, wherein the system comprises a camera device, an inner rearview mirror base, a first connecting rod, a second connecting rod and an inner rearview mirror surface which are sequentially connected, a driving mechanism is arranged in the inner rearview mirror base, a first adjusting motor is arranged at a first ball head position for connecting the first connecting rod and the second connecting rod, a second adjusting motor is arranged at a second ball head position for connecting the second connecting rod and the inner rearview mirror surface, an optimal rearview mirror observation position and an optimal rotation angle for observing a rear view field are calculated according to an eye point position, a linear motor and the first adjusting motor are adjusted according to the optimal rearview mirror observation position, and a second adjusting motor is adjusted according to the optimal rotation angle for observing the rear view field. According to the invention, through calculation of the accurate position and the rotation angle, the technical problem that the attention of a driver to road conditions is interrupted and the driving risk is increased in the manual adjustment in the prior art is solved.

Inventors

Ma Songbin
QI CAI

Assignees

东风汽车有限公司东风日产乘用车公司

Dates

Publication Date: 20260512
Application Date: 20260228

Claims (10)

1. An automatic endoscope adjustment system, comprising: The camera device comprises a camera device, an inner rearview mirror base, a first connecting rod, a second connecting rod and an inner rearview mirror surface which are sequentially connected, wherein a driving mechanism is arranged in the inner rearview mirror base, a first adjusting motor is arranged in a first ball head position connected with the first connecting rod and the second connecting rod, and a second adjusting motor is arranged in a second ball head position connected with the second connecting rod and the inner rearview mirror surface; the first regulating motor and the second regulating motor are bidirectional regulating motors; The camera device is used for obtaining the eye point position, the controller of the vehicle where the camera device is located calculates the best rearview mirror observation position and the best rotation angle of the rear view field according to the eye point position, the linear motor and the first adjusting motor are adjusted according to the best rearview mirror observation position, and the second adjusting motor is adjusted according to the best rotation angle of the rear view field.
2. An automatic inside rear view mirror adjustment method using the automatic inside rear view mirror adjustment system according to claim 1, comprising: Detecting a change in the position of the eyepoint; acquiring an eye point position and calculating an optimal rearview mirror observation position of a driver posture; Controlling the linear motor and the first adjusting motor to run to an optimal rearview mirror observation position; calculating an optimal rotation angle of the view field behind the observation; and controlling the second regulating motor to operate to the optimal rotation angle.
3. The automatic adjusting method for an interior rear view mirror according to claim 2, wherein, The calculating the optimal rearview mirror viewing position of the driver gesture includes: selecting a vehicle design reference eye point as a coordinate reference point to establish a coordinate system; converting the eye point position into eye point coordinates in a coordinate system; Determining a position parameter range of an A point suitable for performance check of a man-machine under an X-axis and Z-axis coordinate system according to an endoscope man-machine engineering MAP; The corresponding functional relation between the base movement distance l of the inner rearview mirror base, the connecting rod movement angle gamma of the first connecting rod and the position parameter range (X, Z) of the point A in a coordinate system is X=f1 (l, gamma), Z=f2 (l, gamma), wherein f1 and f2 are functions; And determining a plurality of coordinate values of the point A according to the functional relation and the position parameter range (X, Z) of the point A, and taking the coordinate value of the point A which meets the ergonomic MAP of the endoscope and minimizes the movement distance of the base as the optimal rearview mirror observation position.
4. The automatic adjusting method for an interior rear view mirror according to claim 3, wherein, The controlling of the linear motor and the first adjusting motor to operate to the optimal rearview mirror viewing position includes: Converting the base movement distance l and the connecting rod movement angle gamma into voltage values U1 and U2 corresponding to the linear motor and the first regulating motor; And driving the linear motor and the first regulating motor to reach the optimal rearview mirror observation position according to the voltage values U1 and U2.
5. The automatic adjusting method for an interior rear view mirror according to claim 3, wherein, The calculating an optimal rotation angle for viewing the rear view field includes: let the regulatory visual field vertex of the mirror surface of the inner rearview mirror be B, the position of the second ball head be O point, the projection point of the mirror surface of the inner rearview mirror be C point, let the rotation angle of the mirror surface of the inner rearview mirror around the O point be alpha, the rotation angle around the O point be beta, the coordinate value of the eye point position P be (x, y, z), then can be obtained according to the trigonometric function relation: Y B =y-(x-Lcosα) tan2α, Y C =Lsinα, Z B =z-(x-Lcosβ) tan2β, Z C =Lsinβ, Wherein Y B and Z B are coordinates of a point B, Y C and Z C are coordinates of a point C, and L is a distance from the point C to the point O; When the point B is overlapped with the point C, namely Y B =Y C ,Z B =Z C , the corresponding alpha and beta are the optimal rotation angles, and the relation between the required rotation angles alpha and beta of the mirror surface of the inner rearview mirror and the eye point position P is as follows: α=f 3 (x,y), β=f 4 (x, z), where f 3 and f 4 are implicit functions.
6. The automatic adjusting method for an interior rear view mirror according to claim 5, wherein, Converting the rotation angles alpha and beta into target voltage values U3 and U4, and comparing the target voltage values with feedback voltages Upot and Upot of the current position of the inner rearview mirror; If the difference between U3 and Upot is within the preset error and the difference between U4 and Upot is within the preset error, the current position of the mirror surface of the inner rearview mirror is the optimal position; If the difference between U3 and Upot is not within the preset error, driving the second motor to enable the feedback voltage Upot of the real-time position of the mirror surface of the inner rearview mirror to be close to U3; if the difference between U4 and Upot is not within the preset error, the second motor is driven to bring the feedback voltage Upot of the real-time position of the mirror surface of the inner mirror close to U4.
7. A vehicle characterized in that an automatic adjusting method of an interior rear view mirror according to any one of claims 2 to 6 is employed.
8. An electronic device, comprising: at least one processor, and A memory communicatively coupled to at least one of the processors, wherein, The memory stores instructions executable by at least one of the processors to enable the at least one of the processors to perform the endoscope automatic adjustment method according to any one of claims 2 to 6.
9. A storage medium storing computer instructions for performing the automatic inside rear view mirror adjustment method according to any one of claims 2 to 6 when executed by a computer.
10. A computer program product comprising computer programs/instructions which, when executed by a processor, implement the method for automatically adjusting an interior rear view mirror according to any one of claims 2 to 6.

Description

Automatic adjusting system, method, vehicle, equipment, medium and product for inner rearview mirror Technical Field The invention relates to the field of vehicles, in particular to an automatic adjusting system, an automatic adjusting method for an inner rearview mirror, a vehicle, equipment, media and a product. Background In the traditional application of the automobile inner rearview mirror, the mirror body angle adjustment depends on manual operation of a driver, and the mode has obvious convenience and safety defects that on one hand, the manual adjustment needs to interrupt attention to road conditions of the driver, particularly, the attention is easily dispersed during operation in the driving process, so that the occurrence risk of driving safety accidents is increased, and on the other hand, the height and the front-rear direction position of the traditional inner rearview mirror are mainly fixedly designed, and the adaptive adjustment cannot be carried out according to the height difference of the driver and the change of the adjustment position of a seat. This results in that drivers of different body types and driving habits have difficulty in obtaining an optimal field of view and operational comfort that meet their own needs when using, cannot meet diversified human-machine use needs, and have significant use limitations. Disclosure of Invention Based on the problems, the invention provides an automatic adjusting system, an automatic adjusting method, a vehicle, equipment, media and products of an inner rearview mirror, solves the technical problems that in the prior art, a driver is required to interrupt attention to road conditions and the driving risk is increased when manual adjustment is required, and also solves the technical problems that the height and the front-rear direction position of the traditional inner rearview mirror are mostly fixed, and the adaptive adjustment cannot be performed according to the height difference of the driver and the change of the seat adjusting position. The automatic adjusting system for the inner rearview mirror provided by the invention can ensure that drivers with different body types and driving habits can obtain the best field of view and operation comfort level meeting the requirements of the drivers and can meet the use requirements of various people and machines. The invention provides an automatic adjusting system of an inner rearview mirror, which comprises: The camera device comprises a camera device, an inner rearview mirror base, a first connecting rod, a second connecting rod and an inner rearview mirror surface which are sequentially connected, wherein a driving mechanism is arranged in the inner rearview mirror base, a first adjusting motor is arranged in a first ball head position connected with the first connecting rod and the second connecting rod, and a second adjusting motor is arranged in a second ball head position connected with the second connecting rod and the inner rearview mirror surface; the first regulating motor and the second regulating motor are bidirectional regulating motors; The camera device is used for obtaining the eye point position, the controller of the vehicle where the camera device is located calculates the best rearview mirror observation position and the best rotation angle of the rear view field according to the eye point position, the linear motor and the first adjusting motor are adjusted according to the best rearview mirror observation position, and the second adjusting motor is adjusted according to the best rotation angle of the rear view field. The invention also provides an automatic adjusting method of the inner rearview mirror by adopting the automatic adjusting system of the inner rearview mirror, which comprises the following steps: Detecting a change in the position of the eyepoint; acquiring an eye point position and calculating an optimal rearview mirror observation position of a driver posture; Controlling the linear motor and the first adjusting motor to run to an optimal rearview mirror observation position; calculating an optimal rotation angle of the view field behind the observation; and controlling the second regulating motor to operate to the optimal rotation angle. Further, the calculating the optimal rearview mirror viewing position of the driver's posture includes: selecting a vehicle design reference eye point as a coordinate reference point to establish a coordinate system; converting the eye point position into eye point coordinates in a coordinate system; Determining a position parameter range of an A point suitable for performance check of a man-machine under an X-axis and Z-axis coordinate system according to an endoscope man-machine engineering MAP; The corresponding functional relation between the base movement distance l of the inner rearview mirror base, the connecting rod movement angle gamma of the first connecting rod and the position parameter range (X, Z) of the po