Self-adaptive steering control method and system for automobile lens module

Abstract

The invention discloses a self-adaptive steering control method and system for an automobile lens module, and the method comprises the steps: generating a first light path based on the forward motion of an automobile body, and enabling the first light path to form a main illumination region; acquiring an expected steering direction of the vehicle body; responding to the steering direction to generate a second light path, and fusing the second light path with the first light path to generate a sub-illumination area on the same side of the main illumination area corresponding to the steering direction; the second light path is formed in the steering process of the vehicle body, and the second light path forms the sub-illumination area in the same direction as the steering direction, so that the illumination area is effectively expanded, and a user can be well helped to drive safely.

Description

Technical Field

[0001] The invention relates to the field of vehicle light control, and in particular to an adaptive steering control method and system for an automobile lens module. Background Art

[0002] Headlights are a very important component of a car. They are not only related to driving safety at night or in bad weather, but also to the beauty and identification of the vehicle. In the prior art, for example, the utility model patent with Chinese application number CN202122445964.5 discloses a headlight LED light source module, including a reflective cup body, an irradiation cylinder, and an irradiation lens. A heat dissipation plate is also provided at the bottom of the reflective cup body, and a light source support is also provided on the side of the heat dissipation plate close to the reflective cup body. The light source support passes through the bottom surface of the reflective cup body, and an irradiation light source is also provided on the light source support, and the irradiation light source is located inside the reflective cup body. In the above-mentioned prior art, the high and low beam illumination can be conveniently adjusted through the high and low beam adjustment component, and by arranging the illumination light source on the light source support located on the side of the heat dissipation plate body, the installation of the illumination light source is more convenient, and the heat generated by the illumination light source during operation is also transferred to the light source support and the heat dissipation plate body, and then the heat is dissipated through the heat dissipation plate body, thereby improving the heat dissipation effect of the lamp, preventing the illumination light source from aging due to excessive temperature, and increasing the service life of the light source module; however, in actual use, it is found that when the user turns the vehicle body, the requirements for the illumination area in the turning direction and the non-turning direction are different, but in the headlights of the prior art, the headlights cannot follow the movement of the vehicle to achieve the deflection of the lighting area. Therefore, a more reasonable solution is urgently needed to solve the above-mentioned technical problems. Summary of the invention

[0003] The present invention provides a solution to the technical problem that the existing vehicle light control method is relatively simple and cannot expand the lighting area during the vehicle turning process in the prior art.

[0004] To achieve the above object, the present invention provides an adaptive steering control method for an automobile lens module, comprising: Generate a first light path based on the forward movement of the vehicle body, wherein the first light path forms a main lighting area; Obtain the expected turning direction of the vehicle; A second light path is generated in response to the turning direction, and the second light path is merged with the first light path to generate a sub-illumination area on the same side of the main illumination area corresponding to the turning direction.

[0005] As an improved solution of the present invention, the step of obtaining the turning direction is: Taking the optical axis direction of the first optical path as the standard direction, taking the moving direction of the vehicle body as the real-time direction, and a first angle value between the moving direction and the standard direction; The steering direction is calculated based on the first angle value.

[0006] As an improved solution of the present invention, the brightness of the sub-illumination area is the same as that of the main illumination area.

[0007] As an improved solution of the present invention, a second angle value is formed between the first light path and the second light path, and the second angle value is a multiple of the second angle value.

[0008] As an improved solution of the present invention, when the turning time of the vehicle body is higher than a preset time, the illumination formed by the sub-illumination area is increased.

[0009] As an improved solution of the present invention, for executing any of the above methods, the system includes a first lighting module, a second lighting module and a processing module; The processing module enables the first lighting module to generate a first light path based on the forward movement of the vehicle body, and the first light path forms a main lighting area; The processing module obtains the expected turning direction of the vehicle body; The processing module responds to the turning direction to enable the second lighting module to generate a second light path, and the second light path is merged with the first light path to generate a sub-lighting area on the same side of the main lighting area corresponding to the turning direction.

[0010] As an improved solution of the present invention, the step of obtaining the turning direction is: The processing module uses the optical axis direction of the first optical path as the standard direction, the moving direction of the vehicle body as the real-time direction, and a first angle value between the moving direction and the standard direction, and further calculates the turning direction based on the first angle value.

[0011] As an improved solution of the present invention, the brightness of the sub-illumination area is the same as that of the main illumination area.

[0012] As an improved solution of the present invention, a second angle value is formed between the first light path and the second light path, and the second angle value is a multiple of the second angle value.

[0013] As an improved solution of the present invention, when the processing module detects that the turning time of the vehicle body is higher than a preset time, the illumination formed by the sub-illumination area is increased.

[0014] The beneficial effects of the present invention are as follows: compared with the prior art, the present invention provides an adaptive steering control method and system for an automobile lens module, the method comprising: generating a first light path based on the forward movement of a vehicle body, the first light path being used to form a main lighting area; obtaining an expected turning direction of the vehicle body; generating a second light path in response to the turning direction, the second light path being merged with the first light path to generate a sub-lighting area on the same side of the main lighting area corresponding to the turning direction; by forming a second light path during the turning process of the vehicle body, the second light path forms a sub-lighting area in the same direction as the turning direction, thereby effectively expanding the lighting area and being able to well help users to drive safely. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a process flow chart of the present invention; Figure 2 is a stereoscopic diagram of the lens module of the present invention; Figure 3 An exploded view of the lens module of the present invention; Figure 4 A three-dimensional diagram of a light guide member of a lens module of the present invention; Figure 5 It is a schematic structural diagram of the heat sink and the reflective bowl of the lens module of the present invention; Figure 6 It is a schematic structural diagram of the heat sink and the reflective bowl of the lens module of the present invention from another angle; Figure 7 is a schematic diagram of a second optical path of the present invention; Figure 8 It is a schematic diagram of the lighting area of ​​the present invention.

[0016] The main component symbols are described as follows: 1. Mounting frame; 11. First light-emitting module; 12. Second light-emitting module; 13. Reflective bowl; 14. first heat dissipation inclined surface; 2. lens; 21. notch; 3. light guide; 31. tooth portion; 32. light emitting surface; 33. light collecting part; 4. heat sink; 5. connecting tube; 6. heat sink; 62. A second heat dissipation slope. DETAILED DESCRIPTION

[0017] In order to more clearly illustrate the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0018] In the following description, the example details are given to provide a deeper understanding of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. It should be understood that the specific embodiments are only used to explain the present invention and are not used to limit the present invention.

[0019] It should be understood that when the terms "include" and / or "comprises" are used in this specification, they indicate the existence of the stated features, integers, steps, operations, elements or components, but do not exclude the existence or addition of one or more other features, integers, steps, operations, elements, components or combinations thereof.

[0020] In order to solve the above-mentioned technical problems, the present application provides an adaptive steering control method for an automobile lens module. Figure 1 The method includes: generating a first light path based on the forward movement of the vehicle body, the first light path forming a main lighting area; obtaining the expected turning direction of the vehicle body; generating a second light path in response to the turning direction, the second light path being merged with the first light path to generate a sub-lighting area on the same side of the main lighting area corresponding to the turning direction; In order to better illustrate the solution of the present application, it is explained in combination with actual application scenarios: when the user is driving at night, the headlight system is started to obtain the first light path. The main lighting area formed by the first light path helps the user to drive at night and provides safety protection; when it is necessary to turn right, the headlight system is started to obtain the second light path. The second light path forms a sub-lighting area on the right side of the main lighting area. The sub-lighting area can effectively expand the overall lighting area, and clearer road condition information for turning right can be obtained. When the vehicle body turns, the second light path is closed accordingly, and the overall lighting control method is more flexible. It can be seen that by forming the second light path during the vehicle body turning process, the second light path forms a sub-lighting area in the same direction as the turning direction, which effectively expands the lighting area and can help users drive safely.

[0021] In the specific scheme, the steps for obtaining the turning direction are: Take the optical axis direction of the first optical path as the standard direction, the moving direction of the vehicle body as the real-time direction, and the first angle value between the moving direction and the standard direction; calculate the turning direction based on the first angle value; specifically, assign reference values ​​to both sides of the standard direction formed by the optical axis of the first optical path. When the vehicle body turns right, the angle value between the moving direction and the standard direction is a positive value. Conversely, when the vehicle body turns right, the angle value between the moving direction and the standard direction is a negative value. It can be seen that the above method can quickly obtain the rotation direction of the vehicle body, and then control the formation of the second optical path based on the rotation direction; in the specific implementation scheme, the above calculation can be achieved by a main control chip with a gyroscope, a multi-axis acceleration sensor or a magnetic sensor.

[0022] In this embodiment, the brightness of the sub-lighting area is the same as that of the main lighting area; it is not difficult to understand that by controlling the power of the light-emitting unit in the car lamp system so that the sub-lighting area and the main lighting area can remain the same, under this design, there will be no obvious light and dark division between the sub-lighting area and the main lighting area, forming a lighting area with stronger integrity, which can bring more stable fill light to the driving environment.

[0023] In this embodiment, a second angle value is formed between the first light path and the second light path, and the second angle value is a multiple of the first angle value. It is not difficult to understand that the second angle value formed by the first light path and the second light path can more directly affect the lighting effect of the lighting area. If the ratio between the first angle value and the second angle value is the same, then the main lighting area and the sub-lighting area are easily over-folded during the vehicle turning process, resulting in the sub-lighting area formed by the second light path being too small, making it difficult to achieve an effective fill light lighting effect. For example, during the vehicle turning process, the value of the first angle value is generally maintained within the turning range of 1-30°. If the second angle value follows the first angle value, the sub-lighting area formed by the second light path will be too small. Therefore, the second angle value is a multiple of the first angle value. Selecting a multiple between 1.2 and 1.4 can enable the sub-lighting area to have a better lighting area.

[0024] In a better solution, when the vehicle body maintains the turning action for a time longer than the preset time, the lighting area formed by the sub-lighting area is increased; it is not difficult to understand that when the vehicle body needs to continue turning, the situation will be shown by the vehicle body making a larger turn, so the requirements for the lighting area are greater. Therefore, by increasing the illumination area of ​​the sub-lighting area, it can be more in line with the user's usage scenario.

[0025] The present invention also provides an adaptive steering control system for an automobile lens module, the system comprising a first lighting module, a second lighting module and a processing module; the processing module enables the first lighting module to generate a first light path based on the forward movement of the vehicle body, the first light path forming a main lighting area; the processing module obtains the expected turning direction of the vehicle body; the processing module responds to the turning direction to enable the second lighting module to generate a second light path, the second light path is merged with the first light path, so as to generate a sub-lighting area on the same side of the main lighting area corresponding to the turning direction; In a specific embodiment, the steps for obtaining the turning direction are: the processing module takes the optical axis direction of the first optical path as the standard direction, the moving direction of the vehicle body as the real-time direction, and the first angle value between the moving direction and the standard direction, and then calculates the turning direction based on the first angle value; the brightness of the sub-lighting area is the same as that of the main lighting area; a second angle value is formed between the first optical path and the second optical path, and the second angle value is a multiple of the second angle value; when the processing module detects that the turning time of the vehicle body is higher than the preset time, the lighting formed in the sub-lighting area is increased; this system is for executing or realizing the method of the aforementioned embodiment, and therefore has the same functions and beneficial effects as the aforementioned embodiment, so it is not elaborated in detail.

[0026] In terms of specific physical structure, the present invention also provides an automotive lens module that supports intelligent follow-up. Figure 2-8 , comprising a mounting frame 1, a sensing module, a lens 2 and a light guide 3, wherein the mounting frame 1 is provided with a first light-emitting module and a second light-emitting module; the sensing module is located in the mounting frame 1 and is electrically connected to the first light-emitting module and the second light-emitting module, and the sensing module is used to collect the turning of the vehicle body to control the opening and closing of the second light-emitting module; the lens 2 is mounted on the first surface of the mounting frame 1, and the first light-emitting module emits a light source through the lens 2 to generate a first light path, and the first light path forms a main lighting area; the edge of the lens 2 is provided with a notch 21 for accommodating the light guide 3; the second light-emitting module emits a light source through the light guide 3 to generate a second light path, and the second light path forms a sub-lighting area on the same side of the vehicle body turning in the main lighting area; During specific use, the first light path is arranged through the first light-emitting module and the lens 2 to form a main lighting area, which provides the function of high beam or low beam lighting in the headlight system and provides a conventional lighting basis; in a further scheme, a sensor module is also included, and the sensor module can judge the turning action of the vehicle body during movement, and the judgment result is left turn or right turn. When the turning action occurs, the second light-emitting module and the light guide 3 form a second light path, and then a sub-lighting area is formed on the same side of the corresponding turning of the main lighting area, thereby achieving the effect of expanding the lighting area. It can be seen that the movement state of the vehicle body is collected through the sensor module to form a second light path when the vehicle body turns. The second light path forms a sub-lighting area in the same direction as the turning, which effectively expands the lighting area and can well help users drive safely.

[0027] As for the specific arrangement and implementation structure of the second optical path, firstly, the second light-emitting module 12 is correspondingly set to the first LED module and the second LED module. When the vehicle turns to the right, the first LED module is started and the second LED module is turned off, thereby forming a sub-lighting area on the right side of the main lighting area; when the vehicle turns to the left, the first LED module is turned off and the second LED module is started, thereby forming a sub-lighting area on the right side of the main lighting area; and a steering motor can also be set, and the steering motor can also make the lens 2 form a deflection, so that after the light sources of the first light-emitting module 11 and the second light-emitting module 12 are incident on the lens 2, a main lighting area and a sub-lighting area are formed.

[0028] As an important embodiment, the second light-emitting module includes at least two light-emitting units, and the number of light guides 3 is the same as that of the light-emitting units; multiple groups of light guides 3 are equally distributed with the optical axis of the first light path as the center, and any two light guides 3 distributed on both sides of the optical axis are provided with light emitting slopes on the opposite sides; it is not difficult to understand that the first light-emitting module is composed of a control board and light-emitting units on the control board. In order to better illustrate this embodiment, two light-emitting units are set, namely the first light-emitting unit and the second light-emitting unit. The first light-emitting unit and the second light-emitting unit are distributed left and right with the optical axis of the first light path as the center, and correspondingly, the light emitting slopes of the two light guides 3 are also relatively arranged. When the vehicle turns right, the first light-emitting unit cooperates with the right light guide 3 and forms a second light path by means of the light emitting slope, and finally forms a sub-lighting area; good light path guidance is achieved through the light emitting slope to obtain the sub-lighting area.

[0029] In another implementation scheme, the second light-emitting module includes at least two light-emitting units, and the number of light guides 3 is the same as that of the light-emitting units; multiple groups of light guides 3 are equally distributed with the optical axis of the first light path as the center, and one end of any light guide 3 is away from the light-emitting unit to form a tooth portion 31, and the relative tooth surfaces of two tooth portions 31 arbitrarily distributed on both sides of the optical axis are light-emitting surfaces 32; similar to the aforementioned embodiment, by forming light-emitting surfaces 32 on the relative single sides of the two tooth portions 31, the formation of the second light path is guided, and multiple small light-emitting surfaces 32 are used to form output light with more stable light intensity and more stable light uniformity. On the other hand, this embodiment is simpler to process, and the matching angles of multiple light-emitting surfaces 32 can be controlled to realize the extraction of the second light path, and there is no need to worry that the second light path will be blocked by the lens 2.

[0030] In this embodiment, the mounting frame 1 also includes a reflective bowl 13, and the arm of the reflective bowl 13 covers the first light-emitting module; when working, the light source emitted by the first light-emitting module is gathered and refracted by the reflective bowl 13 and then emitted from the lens 2 to form a first light path; the reflective bowl 13 can gather the light source light of the first light-emitting module to obtain a brighter lighting effect.

[0031] In this embodiment, a heat sink 4 is further provided on a side of the mounting column bracket away from the lens 2, and the heat sink 4 is provided with a first avoidance portion for exposing the reflective bowl 13; the first module specifically includes a main control board, and a plurality of light-emitting units on the main control board. When the plurality of light-emitting units are in operation, the main control board and the light-emitting units mounted thereon will generate heat. Therefore, by dissipating the heat of the first light-emitting module through the heat sink 4, the working stability of the first light-emitting module can be effectively enhanced.

[0032] In the specific scheme, the mounting frame 1 and the lens 2 are connected by a connecting tube 5, and the connecting tube 5 has a second avoidance portion on the cylindrical surface; it also includes a heat sink 6, one end of the heat sink 6 is connected to the mounting frame 1, and the other end is connected to the connecting tube 5, and is located in the second avoidance portion; the end of the heat sink 6 close to the lens 2 is connected to the second light-emitting module 12; similar to the function of the heat sink 4, the connecting tube 5 provides a suitable assembly space for installing the heat sink 6, and the heat sink 6 is used to effectively dissipate heat from the second light-emitting module.

[0033] In a further solution, a light-guiding member 3 is further provided with a light-focusing portion 33 in a step-like shape at one end close to the mounting frame 1, and any light-focusing portion 33 is adapted to cover a corresponding light-emitting unit; the light-focusing portion 33 is designed in a step-like shape to obtain a better light-focusing effect, and can make the formation of the second light path more stable and efficient.

[0034] In the present embodiment, the assembly height of the heat sink 6 is lower than the assembly height of the reflective bowl 13, and a heat dissipation gap is formed between the reflective bowl 13 and the heat sink 6; the heat dissipation gap makes the overall heat dissipation effect of the second light-emitting module better, and does not cause its heat to be transferred to the reflective bowl 13 on a large scale, thereby avoiding increasing the heat dissipation load of the heating seat; in a specific scheme, a first heat dissipation slope 14 is formed at one end of the reflective bowl 13 close to the lens 2, and the heat sink 6 is provided with a second heat dissipation slope 62, and a heat dissipation gap is formed between the first heat dissipation slope 14 and the second heat dissipation slope 62.

[0035] In this embodiment, the sensing module is one of a gyroscope, an acceleration sensor or a magnetic sensor; it only needs to be able to realize a measurement interface for the movement and steering of the vehicle body. In a specific implementation, for example, a gyroscope, etc. can be mounted on the main control board of the first light-emitting module, which can provide a more suitable use environment through the heat sink 4 to prevent temperature overload.

[0036] The advantages of the present invention are: 1. By forming a second light path during the turning process of the vehicle, the second light path forms a sub-lighting area in the same direction as the turning direction, which effectively expands the lighting area and can help users drive safely; 2. By controlling the power of the light-emitting unit in the headlight system, the sub-lighting area and the main lighting area can be kept the same. Under this design, there will be no obvious light and dark division between the sub-lighting area and the main lighting area, forming a more integrated lighting area, which can provide more stable supplementary lighting for the driving environment.

[0037] The above disclosures are only several specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. An adaptive steering control method for an automobile lens module, characterized in that: include: Generate a first light path based on the forward movement of the vehicle body, wherein the first light path forms a main lighting area; Obtain the expected turning direction of the vehicle; A second light path is generated in response to the turning direction, and the second light path is merged with the first light path to generate a sub-illumination area on the same side of the main illumination area corresponding to the turning direction.

2. The adaptive steering control method of the automotive lens module according to claim 1, characterized in that: The steps of obtaining the turning direction are: Taking the optical axis direction of the first optical path as the standard direction, taking the moving direction of the vehicle body as the real-time direction, and a first angle value between the moving direction and the standard direction; The steering direction is calculated based on the first angle value.

3. The adaptive steering control method of the automotive lens module according to claim 2, characterized in that: The brightness of the sub-illumination area is the same as that of the main illumination area.

4. The adaptive steering control method of the automobile lens module according to claim 3, characterized in that: A second angle value is formed between the first light path and the second light path, and the second angle value is a multiple of the second angle value.

5. The adaptive steering control method of the automotive lens module according to claim 1, characterized in that: When the vehicle body turning time is higher than a preset time, the illumination formed by the sub-illumination area is increased.

6. An adaptive steering control system for an automotive lens module, characterized in that: Used to perform the method described in any one of claims 1-5; the system includes a first lighting module, a second lighting module and a processing module; The processing module enables the first lighting module to generate a first light path based on the forward movement of the vehicle body, and the first light path forms a main lighting area; The processing module obtains the expected turning direction of the vehicle body; The processing module responds to the turning direction to enable the second lighting module to generate a second light path, and the second light path is merged with the first light path to generate a sub-lighting area on the same side of the main lighting area corresponding to the turning direction.

7. The adaptive steering control system of the automotive lens module according to claim 6, characterized in that: The steps of obtaining the turning direction are: The processing module uses the optical axis direction of the first optical path as the standard direction, the moving direction of the vehicle body as the real-time direction, and a first angle value between the moving direction and the standard direction, and further calculates the turning direction based on the first angle value.

8. The adaptive steering control system of the automotive lens module according to claim 7, characterized in that: The brightness of the sub-illumination area is the same as that of the main illumination area.

9. The adaptive steering control system of the automotive lens module according to claim 8, characterized in that: A second angle value is formed between the first light path and the second light path, and the second angle value is a multiple of the second angle value.

10. The adaptive steering control system of the automotive lens module according to claim 6, characterized in that: When the processing module detects that the vehicle body turning time is higher than a preset time, the illumination formed by the sub-illumination area is increased.

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