An ADS car turn signal lamp

Abstract

The utility model discloses a kind of ADS car steering light, including face shield and lamp holder, circuit board is equipped in the lamp holder, amber light lamp bead and blue-green light lamp bead are arranged on it in parallel, first light guide lamp and second light guide lamp are also equipped in the lamp holder, correspond amber light lamp bead and blue-green light lamp bead respectively, the opaque blocking block is equipped in the lamp holder, between first light guide lamp and second light guide lamp, effectively prevent two kinds of light path crosstalk. First light guide lamp and second light guide lamp are integrally connected by connecting block, and accurate positioning installation is realized by the cooperation of positioning block and concave position. The utility model realizes the independent of two color light signals in the same lamp, clear display, structure stable and good heat dissipation, especially suitable for the double indication demand of auxiliary driving state and steering intention under intelligent driving scene.

Description

Technical Field

[0001] This utility model relates to the field of automotive lighting technology, and in particular to an ADS automotive turn signal. Background Technology

[0002] As the level of automotive intelligence continues to improve, Advanced Driver Assistance Systems (ADAS) are becoming increasingly widespread. To adapt to intelligent driving functions, more and more vehicles are adopting self-resetting turn signal stalks. The advantage of this type of stalk is that after the vehicle completes assisted driving operations such as automatic lane changing, the driver does not need to manually return the stalk to its original position; instead, the turn signal is automatically controlled to turn on and off through the software logic of the onboard system.

[0003] However, this evolution of control methods has placed new demands on automotive lighting, particularly turn signals. With the coexistence of intelligent driver assistance modes (such as lane keeping assist and adaptive cruise control) and traditional manual steering modes, various lighting indication requirements arise. For example, in assisted driving mode, the vehicle may need to use a certain light signal (such as blue-green) to alert surrounding vehicles and pedestrians that the intelligent driver assistance system is working; while when the system prompts or the driver intends to change lanes, traditional turn signal signals (such as amber) need to be activated. Ideally, different colors of light should be able to be activated separately or simultaneously within the same lighting area at the front or rear, depending on the scenario, to achieve clear and diverse vehicle status communication.

[0004] However, most existing automotive ADS turn signals use a shared light-emitting surface design, that is, a structure with two light sources (amber and blue-green) and a single light guide strip. This traditional structure has obvious limitations: it cannot achieve independent and efficient transmission and display of two colors of light within the same lamp. When turning, the ADS light automatically turns off, thus providing inaccurate information to surrounding vehicles and pedestrians, making it impossible to determine whether the vehicle is being driven by the intelligent driver assistance system or manually. If two different colored LEDs are simply arranged in a lamp cavity, due to the lack of effective physical isolation, the light is prone to color mixing and crosstalk, resulting in impure colors and blurred boundaries, failing to meet the needs of intelligent driving for multi-mode, high-definition light indication. In addition, the existing turn signal structure has not been optimized for this dual-color independent light guide requirement, and there are deficiencies in heat dissipation, structural stability, and assembly precision.

[0005] Therefore, there is an urgent need in this field for a new type of automotive turn signal structure that can solve the above-mentioned technical problems and enable the display of two different colored light signals without interference within the same lamp, so as to meet the complex communication needs between vehicles and the outside world in the era of intelligent driving. Summary of the Invention

[0006] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide an ADS automotive turn signal. It aims to solve the technical problems of existing single-light source turn signals being unable to achieve independent and clear display of two different color light signals in intelligent driving scenarios, as well as the poor heat dissipation and easy light crosstalk of traditional structures.

[0007] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: An ADS automotive turn signal is provided, including a faceplate and a lamp holder. The faceplate is mounted on the lamp holder, and the front surface of the faceplate has a light-transmitting portion. A circuit board is provided at one end of the lamp holder, and amber LED beads and blue-green LED beads are arranged side-by-side on the circuit board. A first light guide and a second light guide are provided inside the lamp holder. The first light guide is positioned corresponding to the amber LED beads, and the second light guide is positioned corresponding to the blue-green LED beads. An opaque blocking block is provided inside the lamp holder, located between the first and second light guides and extending to the vicinity of the circuit board, for physically isolating the light paths of the amber LED beads and the blue-green LED beads.

[0008] Specifically, one end of the first light guide and the second light guide are connected to a connecting block.

[0009] Specifically, the connecting block has a recess, and the lamp holder also has a positioning block, which is placed in the recess.

[0010] Specifically, the lamp holder is provided with a first clearance position and a second clearance position, and one end surface of the first light guide lamp and the second light guide lamp are respectively placed on the first clearance position and the second clearance position.

[0011] Specifically, the positioning block is placed between the amber LED bead and the blue-green LED bead.

[0012] Specifically, the barrier block is made of an opaque material to prevent light crosstalk.

[0013] Specifically, the first and second light guides are made of optical-grade plastic.

[0014] Specifically, the circuit board is mounted in the lamp holder by a fastener, which includes a screw or a snap-fit ​​structure.

[0015] Specifically, the light-transmitting part is made of optical-grade plastic for light to pass through.

[0016] Specifically, the amber LED and blue-green LED are arranged side by side on the circuit board.

[0017] The beneficial effects of this utility model are as follows: First, by setting independent amber and blue-green LED beads, and cooperating with corresponding first and second light guides, as well as a blocking block located between them, this structure fundamentally solves the problem of light crosstalk. It enables independent and clear display of two colors of light within a single turn signal, perfectly adapting to the dual indication requirements of the driver assistance status light (blue-green light) and the turn signal light (such as amber, which can be replaced in practice) in intelligent driving mode. Second, this structure connects the two light guides into one unit through a connecting block, and combined with the matching design of the positioning block and the recess, it forms a modular light guide component, greatly improving the convenience, precision, and overall structural stability of assembly. Third, the clearance provided on the lamp holder not only provides an installation positioning surface for the light guides, but more importantly, it provides space for the heat generated by the LED beads during operation, preventing heat accumulation that could lead to premature light decay or damage to the LED beads, thus extending the lifespan of the lamp. Fourth, the coordinated layout of the blocking block and the positioning block ensures that the light paths of the two colors are effectively isolated from the source to the output, so that the light emitted through the light-transmitting part of the mask is pure in color and has clear boundaries, and the vehicle communication signal is accurate. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings.

[0019] Figure 1 This is a schematic diagram of the present invention.

[0020] Figure 2 This is an exploded view of the mask and lamp holder.

[0021] Figure 3 for Figure 1 A schematic diagram of its decomposed structure.

[0022] Explanation of reference numerals in the attached drawings: 1. Face mask, 101. Light-transmitting part, 2. Lamp holder, 201. Blocking block, 202. First clearance position, 203. Second clearance position, 204. Positioning block, 3. First light guide, 4. Second light guide, 5. Connecting block, 501. Recess, 6. Circuit board, 601. Amber light bulb, 602. Blue-green light bulb. Detailed Implementation

[0023] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0024] like Figures 1 to 3As shown, the ADS automotive turn signal provided by this utility model mainly includes components such as a faceplate 1, a lamp holder 2, a first light guide 3, a second light guide 4, a connecting block 5, and a circuit board 6.

[0025] The face shield 1 is mounted on the front of the lamp holder 2, and is usually fixed by means of clips, screws or adhesive. The front surface of the face shield 1 is provided with a light-transmitting part 101, which is preferably made of optical grade plastic, for light to pass through, so as to improve the uniformity of light output and viewing angle, and ensure that the signal is clearly visible.

[0026] The lamp holder 2, serving as the main support structure, is typically made of heat-resistant, insulating engineering plastics (such as PPA, PBT, ABS, or PC). A circuit board 6 is located at one end inside the lamp holder 2, securely mounted using fasteners (such as screws or clips). An amber LED bead 601 and a blue-green LED bead 602 are arranged side-by-side on the circuit board 6. Both utilize LED chips and are independently illuminated via circuit control. The amber LED bead 601 indicates conventional turn signals, while the blue-green LED bead 602 indicates the status of intelligent driving assistance systems. In practical applications, the LED colors can be adjusted as needed.

[0027] The lamp holder 2 contains a first light guide 3 and a second light guide 4, both made of high-transmittance optical-grade plastic (such as PMMA or PC) with good light transmission efficiency. The first light guide 3 corresponds to the amber light bead 601, and the second light guide 4 corresponds to the blue-green light bead 602. To prevent crosstalk, the lamp holder 2 contains a blocking block 201 made of opaque material (such as black ABS or black PC), located between the first light guide 3 and the second light guide 4, physically isolating the two light paths to ensure color purity.

[0028] One end of the first light guide lamp 3 and the second light guide lamp 4 are connected together by a connecting block 5 to form a modular light guide assembly, which facilitates overall installation and positioning. The connecting block 5 has a recess 501, and the lamp holder 2 has a corresponding positioning block 204. During assembly, the positioning block 204 is precisely embedded in the recess 501, achieving rapid positioning and fixation of the light guide assembly. The positioning block 204 is located between the amber light bead 601 and the blue-green light bead 602, further enhancing the light path isolation effect.

[0029] The lamp holder 2 is also provided with a first clearance 202 and a second clearance 203, which are used to accommodate the end surfaces of the first light guide lamp 3 and the second light guide lamp 4, respectively. The clearance not only provides an installation reference but also reserves space for heat dissipation during lamp operation, preventing light decay or damage due to high temperatures and extending the lamp's lifespan. Furthermore, the amber light lamp 601 has a wavelength range of 585 to 595 nm and a luminous intensity of not less than 1000 mcd; the blue-green light lamp 602 has a wavelength range of 490 to 500 nm and a luminous intensity of not less than 800 mcd. Both use LED chips and are independently illuminated via PWM dimming control.

[0030] During operation, the LEDs on the control circuit board 6 are illuminated according to the vehicle status signal: if the system is in assisted driving mode, the blue-green LED 602 ​​is illuminated, and the green light is conducted through the second light guide 4 to the light-transmitting part 101 to emit a blue-green indicator; if a turn signal is required, the amber LED 601 is illuminated, and the amber light is conducted through the first light guide 3 to the light-transmitting part 101 to emit an amber indicator. Due to the synergistic effect of the blocking block 201 and the positioning block 204, the two light signals do not interfere with each other, the output boundary is clear, and the color is vivid, effectively meeting the multi-mode communication needs in intelligent driving scenarios.

[0031] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and concept of this utility model, should be included within the protection scope of this utility model.

Claims

1. An ADS automotive turn signal, comprising a faceplate (1) and a lamp holder (2), wherein the faceplate (1) is mounted on the lamp holder (2), the front surface of the faceplate (1) is provided with a light-transmitting portion (101), and one end of the lamp holder (2) is provided with a circuit board (6), characterized in that: The circuit board (6) is provided with amber light beads (601) and blue-green light beads (602) arranged side by side. The lamp holder (2) is provided with a first light guide (3) and a second light guide (4). The first light guide (3) is set in relation to the amber light beads (601), and the second light guide (4) is set in relation to the blue-green light beads (602). The lamp holder (2) is provided with an opaque barrier block (201). The barrier block (201) is located between the first light guide (3) and the second light guide (4) and extends to the vicinity of the circuit board (6) to physically isolate the light paths of the amber light beads (601) and the blue-green light beads (602).

2. The ADS automotive turn signal according to claim 1, characterized in that: One end of the first light guide (3) and the second light guide (4) is connected to a connecting block (5).

3. An ADS automotive turn signal according to claim 2, characterized in that: The connecting block (5) has a recess (501), and the lamp holder (2) also has a positioning block (204), which is placed in the recess (501).

4. An ADS automotive turn signal according to claim 1, characterized in that: The lamp holder (2) is provided with a first clearance position (202) and a second clearance position (203), and one end surface of the first light guide lamp (3) and the second light guide lamp (4) are respectively placed on the first clearance position (202) and the second clearance position (203).

5. An ADS automotive turn signal according to claim 3, characterized in that: The positioning block (204) is placed between the amber light bulb (601) and the blue-green light bulb (602).

6. An ADS automotive turn signal according to claim 1, characterized in that: The barrier block (201) is made of an opaque material to prevent light crosstalk.

7. An ADS automotive turn signal according to claim 1, characterized in that: The first light guide (3) and the second light guide (4) are made of optical grade plastic.

8. An ADS automotive turn signal according to claim 1, characterized in that: The circuit board (6) is installed in the lamp holder (2) by a fastener, which includes a screw or a snap-fit ​​structure.

9. An ADS automotive turn signal according to claim 1, characterized in that: The light-transmitting part (101) is made of optical-grade plastic and is used for light transmission.

10. An ADS automotive turn signal according to claim 1, characterized in that: The amber LED (601) and blue-green LED (602) are arranged side by side on the circuit board (6).

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