阅读说明：本技术 一种前照灯调节方法及系统 (Headlamp adjusting method and system ) 是由 李传海 袁和平 傅强 蔡伟 娄龙海 于 2019-09-06 设计创作，主要内容包括：本发明涉及汽车制造技术领域,具体是一种前照灯调节方法及系统,包括步骤如下：S1：根据前照灯的结构,确定布置前照灯的近光调节点位置；S2：获取前照灯的近光调节角度,确定前照灯的近光调节角度范围；S3：根据所述近光调节角度和所述近光调节点位置,计算出电机的最小行程；S4：根据所述最小行程确定电机的工作区域；S5：根据所述工作区域计算电机的开关输出电压；S6：结合所述近光调节点位置、所述最小行程、所述工作区域和所述输出电压,确定电机类型。本发明能够根据不同的前照灯调节角度和调节点的位置,筛选不同的调节电机,避免因调节电机不适合导致调节机构卡死、脱落等故障,影响行车安全。(The invention relates to the technical field of automobile manufacturing, in particular to a headlamp adjusting method and a headlamp adjusting system, which comprise the following steps: s1: determining a low-beam adjusting point position for arranging the head lamps according to the structure of the head lamps; s2: acquiring a low-beam adjusting angle of a headlamp, and determining a low-beam adjusting angle range of the headlamp; s3: calculating the minimum stroke of the motor according to the low-beam adjusting angle and the low-beam adjusting point position; s4: determining a working area of the motor according to the minimum stroke; s5: calculating the switch output voltage of the motor according to the working area; s6: determining a motor type in conjunction with the low beam adjustment point position, the minimum stroke, the operating region, and the output voltage. According to the invention, different adjusting motors can be screened according to different headlamp adjusting angles and adjusting point positions, so that the faults of locking and falling off of an adjusting mechanism caused by the fact that the adjusting motors are not suitable are avoided, and the driving safety is influenced.)

1. A headlamp adjustment method, characterized in that the method comprises the steps of:

s1: determining a low-beam adjusting point position for arranging the head lamps according to the structure of the head lamps;

s2: acquiring a low-beam adjusting angle of a headlamp, and determining a low-beam adjusting angle range of the headlamp;

s3: calculating the minimum stroke of the motor according to the low-beam adjusting angle and the low-beam adjusting point position;

s4: determining a working area of the motor according to the minimum stroke;

s5: calculating the switch output voltage of the motor according to the working area;

s6: determining a motor type in conjunction with the low beam adjustment point position, the minimum stroke, the operating region, and the output voltage.

2. A headlamp adjustment method according to claim 1, wherein said low beam adjustment point position comprises an adjustment motor position, a fixed ball screw position and a direction adjustment mechanism position.

3. The method for adjusting a headlamp according to claim 1, wherein the method employs an adjusting device, the adjusting device comprises an adjusting screw, a low beam light emitting assembly and a fixing screw, the adjusting screw and the fixing screw are arranged in parallel, and the adjusting screw and the fixing screw are both embedded with the low beam light emitting assembly.

4. The headlamp adjustment method according to claim 1, wherein in the step S3, the minimum stroke is calculated by using the following formula:

L＝Htanα

wherein L is the minimum stroke, H is the distance between the adjusting screw and the fixing screw, and alpha is the maximum inclination angle.

5. The headlamp adjustment method according to claim 1, wherein in the step S5, the output voltage is calculated by using the following formula:

US＝UC/UP

wherein, US is the voltage signal ratio of the motor, UC is the switching output voltage of the motor, and UP is the system voltage of the automobile.

6. A headlamp adjustment method according to claim 1, characterized in that the method further comprises the steps of:

s7: and determining the motor in the motor type according to the protection grade requirement and the noise grade requirement.

7. A headlamp adjustment system, comprising:

the first determination module is used for determining the positions of low-beam adjusting points for arranging the headlamps according to the structure of the headlamps;

the second determination module acquires a low-beam adjusting angle of the headlamp and determines a low-beam adjusting angle range of the headlamp;

the first calculation module is used for calculating the minimum stroke of the motor according to the low beam adjusting angle and the low beam adjusting point position;

the third determining module is used for determining the working area of the motor according to the minimum stroke;

the second calculation module is used for calculating the switching output voltage of the motor according to the working area;

a fourth determination module is configured to determine a motor type in conjunction with the low beam adjustment point position, the minimum stroke, the operating region, and the output voltage.

8. The headlamp adjustment system according to claim 7, wherein the first calculation module calculates the minimum stroke using the following formula:

L＝Htanα

wherein L is the minimum stroke, H is the distance between the adjusting screw and the fixing screw, and alpha is the maximum inclination angle.

9. The headlamp adjustment system of claim 7 wherein the second calculation module calculates the output voltage using the formula:

US＝UC/UP

wherein, US is the voltage signal ratio of the motor, UC is the switching output voltage of the motor, and UP is the system voltage of the automobile.

10. The headlamp adjustment system according to claim 7, further comprising a fifth determination module for determining a motor among the motor types based on a protection level requirement and a noise level requirement.

Technical Field

The invention relates to the technical field of automobile manufacturing, in particular to a headlamp adjusting method and system.

Background

With the development of the automobile industry, more and more people can select the automobile as a travel tool, and the safety of the automobile is one of the important indexes of selecting the automobile.

The automobile headlamps are lamps used for irradiating the road surface and providing road information in front for users, and not only need to meet the requirements of regulations, but also are convenient for users to drive. The light laws and regulations of automotive headlamps require that the light height near the headlamps can be adjusted in the cab.

Mainly there is the motor in the existing market, three kinds of modes of mechanical cable and automatically regulated are adjusted the head-light height, most vehicle headlamps all adopt the mode of motor control in market, the selection to the motor is basically all along with using or the mode that the supplier recommends is adjusted, but adopt this type of mode to adjust to have the defect that can not satisfy the short-distance beam altitude mixture control demand of all head-lights at present, because the regulation requirement of every section head-light is different and the position arrangement of regulation point is different, the stroke of required regulation motor is also different, if head-light altitude selection is improper, will lead to adjustment mechanism card to die, trouble such as drop, influence driving safety, improve traffic accident incidence.

In order to solve the above problems, a new method for adjusting the low beam height of the headlamps is required, which can meet the requirements of different headlamps.

Disclosure of Invention

In view of the above problems in the prior art, an object of the present invention is to provide a headlamp adjusting method and system, which can screen different adjusting motors according to different headlamp adjusting angles and adjusting point positions, and avoid the influence on driving safety due to the faults of locking and dropping of an adjusting mechanism caused by the unsuitability of the adjusting motor.

In order to solve the above problems, the present invention provides a headlamp adjusting method, comprising the steps of: s1: determining a low-beam adjusting point position for arranging the head lamps according to the structure of the head lamps; s2: acquiring a low-beam adjusting angle of a headlamp, and determining a low-beam adjusting angle range of the headlamp; s3: calculating the minimum stroke of the motor according to the low-beam adjusting angle and the low-beam adjusting point position; s4: determining a working area of the motor according to the minimum stroke; s5: calculating the switch output voltage of the motor according to the working area; s6: determining a motor type in conjunction with the low beam adjustment point position, the minimum stroke, the operating region, and the output voltage.

Further, the low beam adjusting point position comprises an adjusting motor position, a fixed ball screw position and a direction adjusting mechanism position.

Further, the method adopts an adjusting device, the adjusting device comprises an adjusting screw rod, a low-beam light-emitting component and a fixing screw rod, the section screw rod and the fixing screw rod are arranged in parallel, and the section screw rod and the fixing screw rod are both embedded with the low-beam light-emitting component.

Further, in step S3, the minimum stroke is calculated by using the following formula: L-Htan α, where L is the minimum stroke, H is the distance between the adjusting screw and the fixing screw, and α is the maximum inclination angle.

Further, in step S5, the output voltage is calculated by using the following formula: US is the voltage signal ratio of the motor, UC is the switching output voltage of the motor, and UP is the system voltage of the vehicle.

Further, the method comprises the steps of: s7: and determining the motor in the motor type according to the protection grade requirement and the noise grade requirement.

The invention also protects a headlamp adjusting system, which comprises a first determining module, a second determining module and a control module, wherein the first determining module is used for determining the positions of low-beam adjusting points for arranging the headlamps according to the structure of the headlamps; the second determination module acquires a low-beam adjusting angle of the headlamp and determines a low-beam adjusting angle range of the headlamp; the first calculation module is used for calculating the minimum stroke of the motor according to the low beam adjusting angle and the low beam adjusting point position; the third determining module is used for determining the working area of the motor according to the minimum stroke; the second calculation module is used for calculating the switching output voltage of the motor according to the working area; a fourth determination module is configured to determine a motor type in conjunction with the low beam adjustment point position, the minimum stroke, the operating region, and the output voltage.

Further, the first calculation module calculates the minimum stroke using the following formula: L-Htan α, where L is the minimum stroke, H is the distance between the adjusting screw and the fixing screw, and α is the maximum inclination angle.

Further, the second calculation module calculates the output voltage using the following formula: US is the voltage signal ratio of the motor, UC is the switching output voltage of the motor, and UP is the system voltage of the vehicle.

Further, the system further comprises a fifth determination module for determining the motor among the motor types according to a protection level requirement and a noise level requirement.

Due to the technical scheme, the invention has the following beneficial effects:

1) according to the headlamp adjusting method and system, different adjusting motors can be screened according to different headlamp adjusting angles and adjusting point positions, and the influence on driving safety caused by the faults that an adjusting mechanism is blocked, falls off and the like due to the fact that the adjusting motors are not suitable is avoided.

2) According to the headlamp adjusting method and system, the adjusting motor can be further determined according to the protection grade requirement and the noise grade requirement, and the fitness of the adjusting motor is improved.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a flowchart of a headlamp adjustment method provided in embodiment 1 of the present invention;

fig. 2 is a flowchart of a headlamp adjustment method according to embodiment 2 of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.