Diffuse reflection uniform light-emitting car lamp optical system

Abstract

The diffuse reflection uniform light-emitting car lamp optical system comprises a lamp body, a circuit board, a light source and an aluminized reflection bowl, the light source is arranged on the circuit board, the diffuse reflection car lamp optical system further comprises a diffuse reflection reflecting plate, and the aluminized reflection bowl comprises a first diffusion pattern face arranged corresponding to the light source and a second diffusion pattern face arranged corresponding to the diffuse reflection reflecting plate; light emitted by the light source irradiates the aluminized reflection bowl, is reflected and diffused through the first diffusion pattern surface, irradiates the second diffusion pattern surface for reflection and diffusion, and then irradiates the surface of the diffuse reflection reflector to be reflected. The diffuse reflection uniform light-emitting car lamp optical system is reasonable in design, a good lighting effect is achieved through mutual cooperation of the reflection bowl, the fogging inner cover and the diffuse reflection reflector, and the diffuse reflection uniform light-emitting car lamp optical system is novel in light-emitting form, uniform in light-emitting effect and rich in layering sense.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of car lights, in particular to a diffuse reflection uniform light-emitting car light optical system. BACKGROUND

[0002] With the intensification of market competition, whether the appearance of the car is beautiful has become one of the decisive factors for consumers to choose a new car, and the car light is an important factor to determine whether the appearance is beautiful. The requirements of major car brands for design are becoming more and more demanding, and the appearance of the car is often characterized by novel and beautiful curves. This poses a great challenge to suppliers and OEMs on how to design a car light that is both beautiful in appearance, uniform in light emission, low in cost, and reliable in quality.

[0003] With the development of car light technology, the design focus of car brands for car lights has gradually extended from basic requirements such as meeting national standards, light-emitting effect, and quality control to higher requirements such as cost control, product weight, overall light power, and environmental protection. For example, patent CN107076381B discloses a vehicle lighting device. How to achieve better car light modeling effect and light-emitting effect is very important and is a design difficulty. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application provides a diffuse reflection uniform light-emitting car light optical system, which is novel in light-emitting form, uniform in light-emitting effect, and rich in levels.

[0005] To solve the above technical problems, the technical scheme adopted by the present application is as follows: The diffuse reflection uniform light-emitting car light optical system comprises a lamp body, a circuit board, a light source, and an aluminum-coated reflecting bowl. The light source is arranged on the circuit board, and further comprises a diffuse reflection reflector plate. The aluminum-coated reflecting bowl comprises a first diffusion pattern surface corresponding to the light source and a second diffusion pattern surface corresponding to the diffuse reflection reflector plate. The light emitted by the light source is first reflected and diffused by the first diffusion pattern surface, then reflected and diffused by the second diffusion pattern surface, and then reflected by the surface of the diffuse reflection reflector plate.

[0006] Further or preferably: The first diffusion pattern surface is located above the light source, and the second diffusion pattern surface is located above the diffuse reflection reflector plate.

[0007] The diffuse reflection reflector plate is arranged obliquely.

[0008] The aluminum-coated reflecting bowl further comprises a reflecting bowl upper surface located between the first diffusion pattern surface and the second diffusion pattern surface.

[0009] The aluminum-coated reflecting bowl is arranged in the lamp body, the circuit board is fixed on the aluminum-coated reflecting bowl, and the light source is arranged at the focal point of the aluminum-coated reflecting bowl.

[0010] The lower part of the lamp body is provided with a fog emitting inner fitting and a transparent lamp shade, and the fog emitting inner fitting is located between the second diffusion pattern surface and the diffuse reflection reflector.

[0011] The lamp body and the transparent lamp shade cooperate to form a lamp cavity, and the diffuse reflection reflector is located outside the lamp cavity.

[0012] The lamp body and the transparent lamp shade cooperate to form a lamp cavity, and the diffuse reflection reflector is located inside the lamp cavity.

[0013] The lower part of the lamp body is provided with a type groove, and the diffuse reflection reflector is arranged in the type groove.

[0014] The fog emitting inner fitting is any one of white, yellow, red, blue and green; and the light color of the light source is any one of white light, yellow light, red light, blue light and green light.

[0015] Compared with the prior art, the present application has the following advantages: The diffuse reflection uniform light vehicle lamp optical system is reasonable in design, and through the cooperation of the reflection bowl, the fog emitting inner fitting and the diffuse reflection reflector, a better lighting effect is achieved, and the light emitting form is novel, the light emitting effect is uniform, and the light emitting effect is rich in levels. BRIEF DESCRIPTION OF DRAWINGS

[0016] The content expressed by each figure in the specification and the marks in the figures are briefly described as follows: Figure 1 and Figure 2 is a schematic diagram of a vehicle lamp optical system of the present application.

[0017] Figure 3 and Figure 4 is a schematic diagram of another vehicle lamp optical system of the present application.

[0018] Figure 5 is a schematic diagram of a first diffusion pattern surface of the present application.

[0019] Figure 6 is a schematic diagram of a second diffusion pattern surface of the present application.

[0020] In the figure: 1. lamp body, 2. circuit board, 3. light source, 4. aluminized reflection bowl, 5. fog emitting inner fitting, 6. transparent lamp shade, 7. light, 8. diffuse reflection reflector, 9. second diffusion pattern surface, 10. upper surface of reflection bowl, 11. first diffusion pattern surface, 12. Lambertian diffuse reflection reflection surface, 13. lower boundary line of diffuse reflection reflector. DETAILED DESCRIPTION

[0021] The specific embodiments of the present application are further described in detail below with reference to the drawings and by describing the embodiments.

[0022] As Figures 1 to 6 shown, the diffuse reflection uniform light emitting vehicle light optical system comprises a lamp body 1, a transparent lampshade 6, a circuit board 2, a light source 3, an aluminized reflecting bowl 4, and a fog emitting inner fitting 5 and a diffuse reflection reflector plate 8; the lamp body and the transparent lampshade cooperate to form a lamp cavity structure.

[0023] The light source 3 is arranged on the circuit board 2, and the light source 3 is an LED light source; the aluminized reflecting bowl and the circuit board are both arranged in the lamp body, the circuit board is fixed on the aluminized reflecting bowl, and the light source is arranged at the focal point of the aluminized reflecting bowl; specifically, the lower part of the aluminized reflecting bowl is provided with a clamping groove, and the edge of the circuit board is clamped in the clamping groove for positioning, so that the structure is compact.

[0024] The aluminized reflecting bowl comprises a first diffusion pattern surface 11 corresponding to the light source and a second diffusion pattern surface 9 corresponding to the diffuse reflection reflector plate; the first diffusion pattern surface is located above the light source, and the second diffusion pattern surface is located above the diffuse reflection reflector plate; the light emitted by the light source is first reflected and diffused by the first diffusion pattern surface, then reflected and diffused by the second diffusion pattern surface, and then the light 7 is reflected to the surface of the diffuse reflection reflector plate to emit light; the light emitting form is novel, the light emitting effect is uniform, and the light emitting effect is rich in levels.

[0025] As Figure 5 and Figure 6 shown, the aluminized reflecting bowl further comprises a reflecting bowl upper surface 10 located between the first diffusion pattern surface and the second diffusion pattern surface; the reflecting bowl upper surface is formed by aluminizing on the basis of frosted; the first diffusion pattern surface is an aluminized concave arc surface, and the second diffusion pattern surface is a strip pattern aluminized surface.

[0026] The diffuse reflection reflector plate 8 is arranged obliquely, and the outer surface of the diffuse reflection reflector plate is a Lambertian diffuse reflection surface 12; the lower part of the lamp body is provided with a type groove, and the diffuse reflection reflector plate is arranged in the type groove.

[0027] The lower part of the lamp body is provided with the fog emitting inner fitting and the transparent lampshade, and the fog emitting inner fitting is located between the second diffusion pattern surface and the diffuse reflection reflector plate. Through the cooperation of the reflecting bowl, the fog emitting inner fitting and the diffuse reflection reflector plate, a good lighting effect is achieved, the light emitting form is novel, the light emitting effect is uniform, and the light emitting effect is rich in levels.

[0028] The fog emitting inner fitting is any one of white, yellow, red, blue and green; the light color of the light source is any one of white light, yellow light, red light, blue light and green light.

[0029] As Figure 1 and Figure 2 shown, the diffuse reflection reflector plate is an external solution; the lamp body and the transparent lampshade cooperate to form a lamp cavity, and the diffuse reflection reflector plate is located outside the lamp cavity.

[0030] As Figure 3 and Figure 4As shown, the diffuse reflection reflector is built-in; the lamp body and the transparent lampshade cooperate to form a lamp cavity, and the diffuse reflection reflector is located inside the lamp cavity, i.e. the lower boundary line 13 of the reflection reflector is located inside the lamp cavity.

[0031] Preferred embodiment 1: The diffuse reflection uniform light-emitting vehicle lamp optical system comprises a circuit board, a light source, an aluminized reflector bowl, a fog-emitting inner fitting, a colorless transparent lampshade and a Lambert diffuse reflection reflector.

[0032] The circuit board is positioned below the reflector bowl, the light source is located at the focal point of the aluminized reflector bowl, the aluminized reflector bowl is a light-transmitting base material, has a first diffusion pattern on the surface and is processed by aluminizing; the upper surface of the reflector bowl is aluminized on the basis of the frosted process; the second diffusion pattern of the reflector bowl is also processed by aluminizing.

[0033] The fog-emitting inner fitting is a light-transmitting base material and has a diffusion effect; the Lambert diffuse reflection reflector is a light-blocking base material, light is reflected on the surface thereof and presents a diffuse reflection effect; the opaque reflector bowl, the transparent fog-emitting inner fitting and the circuit board are assembled and fixed on the peripheral structure inside the lamp body, and the Lambert diffuse reflection reflector is fixed inside the lamp body.

[0034] The circuit board is fixed on the opaque reflector bowl; the light source is arranged on the circuit board. The fog-emitting inner fitting is any one of white, yellow, red, blue and green. The light color of the LED light source is any one of white light, yellow light, red light, blue light and green light.

[0035] The light emitted by the LED light source is reflected and diffused on the aluminized surface of the opaque reflector bowl, is reflected and diffused on the upper surface of the reflector bowl and the second diffusion pattern surface, then passes through the fog-emitting inner fitting and the colorless transparent lampshade, and is reflected on the surface of the diffuse reflection reflector and emitted.

[0036] Preferred embodiment 2: The diffuse reflection uniform light-emitting vehicle lamp optical system comprises a circuit board, a light source, an aluminized reflector bowl, a fog-emitting inner fitting, a colorless transparent lampshade and a Lambert diffuse reflection reflector.

[0037] The circuit board is positioned below the reflector bowl, the LED light source is located at the focal point of the aluminized reflector bowl, the aluminized reflector bowl is a light-transmitting base material, has a first diffusion pattern on the surface and is processed by aluminizing; the upper surface of the reflector bowl is aluminized on the basis of the frosted process; the second diffusion pattern of the reflector bowl is also processed by aluminizing. The fog-emitting inner fitting is a light-transmitting base material and has a diffusion effect. The Lambert diffuse reflection reflector is a light-blocking base material, light is reflected on the surface thereof and presents a diffuse reflection effect. The opaque reflector bowl, the transparent fog-emitting inner fitting and the circuit board are assembled and fixed on the peripheral structure inside the lamp body, and the Lambert diffuse reflection reflector is fixed inside the lamp body.

[0038] The circuit board is fixed on the opaque reflective bowl; the LED light source is arranged on the circuit board. The color of the fogging inner fitting is any one of white, yellow, red, blue and green. The color of the light of the LED light source is any one of white, yellow, red, blue and green.

[0039] The light emitted by the LED light source is irradiated to the aluminized surface of the opaque reflective bowl, is reflected and diffused by the first diffusion pattern surface, is reflected and diffused by the upper surface and the second diffusion pattern surface of the reflective bowl, then passes through the fogging inner fitting, is reflected by the surface of the diffuse reflection light board in the lamp cavity and finally passes through the colorless transparent lamp shade to emit light.

[0040] The above is only the description of the preferred embodiments of the present application, and the above technical features can be combined to form multiple embodiments of the present application.

[0041] The above is only the description of the preferred embodiments of the present application, and the above technical features can be combined to form multiple embodiments of the present application. The above is only the description of the preferred embodiments of the present application, and the above technical features can be combined to form multiple embodiments of the present application.

Claims

1. A diffuse reflection uniform light emission vehicle lamp optical system, comprising a lamp body, a circuit board, a light source, and an aluminum-plated reflector, wherein the light source is disposed on the circuit board, characterized in that: It also includes a diffuse reflector. The aluminum-plated reflector bowl includes a first diffuse pattern surface corresponding to the light source and a second diffuse pattern surface corresponding to the diffuse reflector bowl. When the light emitted from the light source shines on the aluminum-plated reflector bowl, it is first reflected and diffused by the first diffuse pattern surface, then reflected and diffused by the second diffuse pattern surface, and then the light shines on the surface of the diffuse reflector bowl and is reflected out.

2. The diffuse reflection uniform light emission vehicle lamp optical system as described in claim 1, characterized in that: The first diffused pattern surface is located above the light source, and the second diffused pattern surface is located above the diffuse reflector.

3. The diffuse reflection uniform light emission vehicle lamp optical system as described in claim 2, characterized in that: The diffuse reflector is tilted.

4. The diffuse reflection uniform light emission vehicle lamp optical system as described in claim 1, characterized in that: The aluminum-plated reflective bowl also includes an upper surface of the reflective bowl, which is located between the first diffusion pattern surface and the second diffusion pattern surface.

5. The diffuse reflection uniform light emission vehicle lamp optical system as described in claim 1, characterized in that: The aluminum-plated reflector is housed inside the lamp body, the circuit board is fixed on the aluminum-plated reflector, and the light source is arranged at the focal point of the aluminum-plated reflector.

6. The diffuse reflection uniform light emission vehicle lamp optical system as described in claim 1, characterized in that: The lower part of the lamp body is provided with a fogging inner device and a transparent lamp cover, and the fogging inner device is located between the second diffusion pattern surface and the diffuse reflection reflector.

7. The diffuse reflection uniform light emission vehicle lamp optical system as described in claim 6, characterized in that: The lamp body and the transparent lamp cover work together to form a lamp cavity, and the diffuse reflector is located outside the lamp cavity.

8. The diffuse reflection uniform light emission vehicle lamp optical system as described in claim 6, characterized in that: The lamp body and the transparent lamp cover work together to form a lamp cavity, and the diffuse reflector is located inside the lamp cavity.

9. The diffuse reflection uniform light emission vehicle lamp optical system as described in claim 7 or 8, characterized in that: The lower part of the lamp body is provided with a groove, and the diffuse reflector is located in the groove.

10. The diffuse reflection uniform light emission vehicle lamp optical system as described in claim 9, characterized in that: The mist emitter is configured with any one of white, yellow, red, blue, and green; the light source is any one of white, yellow, red, blue, and green light.

Images