Signal lamp capable of avoiding bright spots

Abstract

The utility model discloses a signal lamp capable of avoiding bright spots, which relates to the technical field of road safety and comprises a PCB (printed circuit board), an LED (light-emitting diode) is fixedly connected to the surface of the PCB, a reflecting bowl is arranged on the right side of the LED, a leather texture surface is arranged on the upper surface of a thick-wall part, patterns are arranged on the lower surface of the thick-wall part, and the LED is mounted on the PCB. Light rays are irradiated to the reflection bowl after being emitted from the LEDs on the PCB, the concentrated light rays can be scattered, the propagation direction of the light rays can be changed and the light rays can be uniformly reflected to the thick-wall piece due to the special shape and material characteristics of the reflection bowl, and due to the fact that leather grains and patterns are designed on the thick-wall piece, the propagation path of the light rays can be further changed through the microscopic and macroscopic texture structures, and the light rays can be further reflected to the thick-wall piece. Light rays are reflected and refracted for multiple times in the thick-wall part, so that re-divergence uniformization is achieved, finally, the light rays are emitted out of the signal lamp in a uniform light ray effect, bright spots are avoided on the whole, and visual interference caused by the bright spots is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to road safety technical field, especially a signal lamp that can avoid bright spot. BACKGROUND

[0002] The signal lamp that can avoid bright spot as an important optical indicating equipment has wide application in many fields such as traffic, industry, daily life etc. It can transmit information with clear and stable light signal, and guarantee the normal development of various activities. In different application scenarios, the signal lamp that can avoid bright spot usually has the following key components:

[0003] 1. LED as a light source provides basic light output for the signal lamp, and its luminous efficiency and stability directly affect the overall brightness and reliability of the signal lamp;

[0004] 2. PCB board bears and connects LED, provides power supply and electrical connection for LED, and ensures that LED can work normally.

[0005] At present, in order to improve the optical performance of the signal lamp, various design schemes are adopted in the industry. Some products focus on improving the luminous efficiency of LED, increase the luminous quantity per unit area by optimizing the manufacturing process of LED chip;Some products put effort on the design of reflector bowl, adopt special curved surface design and high reflectivity material to enhance the reflection effect of light;In addition, some products are committed to improving the material and surface treatment process of thick wall parts to improve the uniformity of light.

[0006] However, the above-mentioned implementation still has the following problems. In terms of visual effect, most of the traditional signal lamp designs will appear bright spot when looking straight from the front of the lamp after lighting, which seriously affects the visual experience, especially in occasions with high requirements for light uniformity, the bright spot problem will interfere with the accurate transmission of information. In terms of optical uniformity, the uniformity of the signal lamp under the prior art is generally poor, and the uneven distribution of light leads to obvious brightness difference in different areas, which cannot meet the needs of some high-precision optical application scenarios. In terms of regulatory compliance, due to the uneven light and dark, many signal lamps are difficult to meet the relevant optical regulations in key indicators such as light intensity distribution and glare control, which not only limits the market promotion of the product, but also may cause safety hazards. The present application aims at these problems, and proposes a signal lamp design scheme that can avoid bright spot. The signal lamp can effectively improve the optical uniformity and avoid the generation of bright spot, meet the demand of improving visual effect, and be more easily to meet the requirements of optical regulations, ensure the market competitiveness and safety of the product. CONTENT OF THE UTILITY MODEL

[0007] The utility model provides a signal lamp of avoiding bright spot, solve the problem that the majority of traditional signal lamp design appears bright spot when looking straight from the front of the lamp after lighting, which seriously affects the visual perception, especially in the occasion of high light uniformity requirement, bright spot problem will interfere with the accurate transmission of information.

[0008] In order to realize above-mentioned purpose, the utility model discloses the following technical schemes:

[0009] A signal lamp of avoiding bright spot, including PCB board, the LED of fixed connection has on the surface of PCB board, the reflection bowl is provided with in the right side of LED, the thick wall spare is provided with below the PCB board, the skin surface is set up on the thick wall spare upper surface, the pattern is set up on the thick wall spare lower surface, and the PCB board provides the power supply and electrical connection for LED.

[0010] Preferably, the reflection bowl scatters and reflects light evenly to the surface of thick wall spare, the LED, reflection bowl and thick wall spare are indirectly connected through the propagation of light, and the skin surface and pattern are integrally designed with the thick wall spare.

[0011] Preferably, the pattern and skin surface directly act on the light conducted to the thick wall spare, the PCB board is the basic support component of LED light emission, and the pattern and skin surface are special design structures on the surface of thick wall spare.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1, the LED is installed on the PCB board, when the signal lamp works, the current is conducted to the LED through the PCB board, makes it emit light, and the light is irradiated to the reflection bowl after being shot from the LED on the PCB board, the special shape and material characteristics of the reflection bowl can scatter the concentrated light, change the propagation direction of light, make it evenly reflect to the thick wall spare, because the skin and pattern are designed on the thick wall spare, these micro and macro texture structures further change the light propagation path, let the light reflect and refract in the thick wall spare multiple times, thereby realizing again divergence uniformity, and finally emitting from the signal lamp with uniform light effect.

[0014] 2, the whole avoids the generation of bright spot, reduces the visual disturbance caused by bright spot, makes the overall light emission of signal lamp more soft and uniform, greatly improves the visual perception when looking straight from the front of the lamp, does not produce visual discomfort due to the bright spot of signal lamp, improves the driving safety, through the reflection bowl scattering light and the re-dispersion of skin and pattern on the thick wall spare, the light is more evenly distributed in the propagation process, effectively improves the problem of poor uniformity in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0015] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0016] Figure 1 This is an overall structural diagram of the present invention.

[0017] Illustrations: 1. PCB board; 2. LED; 3. Pattern; 4. Thick-walled component; 5. Textured surface; 6. Reflector. Detailed Implementation

[0018] This application provides a signal light that avoids bright spots, effectively solving the problem that most traditional signal light designs produce bright spots when viewed directly from the front after being lit. This seriously affects the visual experience, especially in situations where high light uniformity is required. Bright spots can interfere with the accurate transmission of information. The signal light solution can effectively improve optical uniformity and avoid the generation of bright spots. While meeting the need for improved visual effects, it is also easier to comply with optical regulations, ensuring the market competitiveness and safety of the product.

[0019] Example

[0020] like Figure 1 As shown, the technical solution in this application embodiment effectively solves the problem that most traditional traffic light designs exhibit bright spots when viewed directly from the front of the light after it is turned on. This severely affects the visual experience, especially in situations where high light uniformity is required, as the bright spots interfere with the accurate transmission of information. The overall approach is as follows:

[0021] To address the problems existing in the prior art, this utility model provides a signal light that can avoid bright spots, including a PCB board 1, with LEDs 2 fixedly connected to the surface of the PCB board 1. A reflector bowl 6 is arranged on the right side of the LEDs 2. A thick-walled component 4 is arranged below the PCB board 1. The upper surface of the thick-walled component 4 has a textured surface 5, and the lower surface of the thick-walled component 4 has a pattern 3. The PCB board 1 provides power supply and electrical connection for the LEDs 2. The LEDs 2 are mounted on the PCB board 1. When the signal light is working, the current is conducted through the PCB board 1 to the LEDs 2, causing them to emit light. After the light is emitted from the LEDs 2 on the PCB board 1, it shines on the reflector bowl 6. The special shape and material characteristics of the reflector bowl 6 can disperse the concentrated light and change the direction of light propagation, so that it is uniformly reflected onto the thick-walled component 4. Since the thick-walled component 4 is designed with a textured surface 5 and a pattern 3, these microscopic and macroscopic texture structures further change the light propagation path, allowing the light to be reflected and refracted multiple times inside the thick-walled component 4, thereby achieving further dispersion and uniformity, and finally emitting a uniform light effect from the signal light.

[0022] The reflection bowl 6 reflects the light evenly scattered to the surface of the thick-walled part 4, the indirect connection is established between the LED 2, the reflection bowl 6 and the thick-walled part 4 through the propagation of light, the skin surface 5 and the pattern 3 are designed integrally with the thick-walled part 4, the pattern 3 and the skin surface 5 directly act on the light conducted to the thick-walled part 4, the PCB board 1 is the basic support component for the light emission of the LED 2, the pattern 3 and the skin surface 5 are special design structures of the surface of the thick-walled part 4, the whole avoids the generation of bright spots, reduces the visual disturbance caused by the bright spots, makes the overall light emission of the signal lamp more soft and uniform, greatly improves the visual feeling when looking straight from the front of the lamp, does not cause visual discomfort due to the bright spots of the signal lamp, improves the driving safety, disperses the light through the reflection bowl 6 and the skin surface 5 and the pattern 3 on the thick-walled part 4, the light is more evenly distributed in the propagation process, effectively improves the poor uniformity problem in the prior art, which can ensure the accuracy of signal transmission and the stability of lighting effect for some lighting or signal indication scenes with high optical uniformity requirements, such as traffic signal lamps, stage lighting, etc.

[0023] Among them, the PCB board 1: provides power supply and electrical connection for the LED 2, and is the basic support component for the light emission of the LED 2;

[0024] LED 2: as a light source, emits light, and provides basic light output for the signal lamp;

[0025] Pattern 3: cooperates with the skin surface 5, directly acts on the light conducted to the thick-walled part 4, changes the light propagation path through the micro and macro texture structure, makes the light multiple reflection and refraction inside the thick-walled part 4, and realizes uniform dispersion again;

[0026] Thick-walled part 4: carries the skin surface 5 and the pattern 3, receives the light reflected by the reflection bowl 6, and processes the light through the skin surface 5 and the pattern 3, so that the light is finally emitted from the signal lamp with uniform effect;

[0027] Skin surface 5: cooperates with the pattern 3, directly acts on the light conducted to the thick-walled part 4, changes the light propagation path through the texture structure, makes the light multiple reflection and refraction inside the thick-walled part 4, and realizes uniform dispersion again;

[0028] Reflection bowl 6: disperses the concentrated light emitted by the LED 2, changes the propagation direction of the light, and makes it evenly reflect to the surface of the thick-walled part 4.

[0029] Working principle:

[0030] The LED 2 is installed on the PCB 1, when the signal lamp works, the current is conducted to the LED 2 through the PCB 1, so that the LED 2 emits light, the light emitted from the LED 2 on the PCB 1 is irradiated on the reflecting bowl 6, the special shape and material characteristics of the reflecting bowl 6 can disperse the concentrated light, change the propagation direction of the light, and make the light be uniformly reflected on the thick wall part 4, since the thick wall part 4 is designed with the skin surface 5 and the pattern 3, the micro and macro texture structures further change the light propagation path, so that the light is reflected and refracted in the thick wall part 4 multiple times, thereby realizing uniformization of the light again, and finally the light is emitted from the signal lamp with uniform light effect, the bright spot is avoided as a whole, the visual disturbance caused by the bright spot is reduced, the light emitted from the signal lamp is more soft and uniform, the visual feeling when looking straight from the front of the lamp is greatly improved, the visual discomfort caused by the bright spot of the signal lamp is avoided, the driving safety is improved, the light is dispersed by the reflecting bowl 6 and the skin surface 5 and the pattern 3 on the thick wall part 4 again, the light is more uniformly distributed in the propagation process, and the problem of poor uniformity in the prior art is effectively improved, which can ensure the accuracy of signal transmission and the stability of lighting effect for some lighting or signal indication scenes with high requirements on optical uniformity, such as traffic signal lamps, stage lights and the like.

[0031] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation modes. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A signal lamp capable of avoiding bright spots, comprising a PCB board (1), characterized in that, The PCB board (1) is fixedly connected with an LED (2) on the surface, the right side of the LED (2) is provided with a reflecting bowl (6), the lower side of the PCB board (1) is provided with a thick-walled part (4), the upper surface of the thick-walled part (4) is provided with a skin surface (5), and the lower surface of the thick-walled part (4) is provided with a pattern (3).

2. A signal lamp capable of avoiding bright spots according to claim 1, characterized in that: The PCB board (1) provides power supply and electrical connection for the LED (2).

3. A signal light that avoids bright spots as described in claim 1, characterized in that: The reflecting bowl (6) reflects light rays scattered uniformly to the surface of the thick-walled part (4).

4. The signal light of claim 1, wherein: The LED (2), the reflecting bowl (6) and the thick-walled part (4) are indirectly connected through the propagation of light rays.

5. A signal light that avoids bright spots as described in claim 1, characterized in that: The skin surface (5) and the pattern (3) are integrally designed with the thick-walled part (4).

6. The signal light of claim 1, wherein: The pattern (3) and the skin surface (5) directly act on the light rays conducted to the thick-walled part (4).

7. The signal light of claim 1, wherein: The PCB board (1) is a basic supporting component for the light emission of the LED (2).

8. The signal light of claim 1, wherein: The pattern (3) and the skin surface (5) are special design structures on the surface of the thick-walled part (4).

Images