Double-light-color lens system and vehicle lamp
By employing a dual-color lens system in the vehicle headlights, and utilizing the dual-focal design and multi-step light-emitting surface structure of the lens body, the problems of low efficiency and structural congestion caused by multiple light sources sharing the same focal point are solved, achieving a highly efficient and energy-saving optical effect.
Patent Information
- Application Number
- CN202520110609.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-17
AI Technical Summary
The current automotive headlights, which use multiple light sources to share the focal point of a single collimation structure at the light input end, result in low efficiency, increase the cost of LED raw materials, and enhance circuit complexity and heat risk. Furthermore, the structure is crowded and wastes space.
The system employs a dual-color lens system, with the lens body having two focal points, each equipped with a first and second color LED light. The light-incident surface has a multi-step structure, while the light-exit surface has a corrugated structure, achieving efficient refraction and collimation of light.
It improves the efficiency of the optical system, saves power and heat, reduces costs, is suitable for compact vehicle headlight designs, and provides good uniformity of light illumination.
Smart Images
Figure CN223609941U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of car light, especially a dual light color lens system and car light. BACKGROUND
[0002] At present, the car light structure is more and more compact, and the integration degree of car light is required to be higher and higher. The function, color of the existing car light is also more and more, usually daily white light, yellow light for turning, red light for braking, different color light needs to use different light source, multiple light sources share a condenser or reflector and other light end collimation structure, but because the focal point of a light end collimation structure has only one, multiple light sources cannot all be at the focal point, which leads to the efficiency of the overall optical system to reduce, thereby affecting the lighting effect of car light and heat, power consumption, cost and other problems. If each light source is configured with a condenser and other light end collimation structure, it also causes structure congestion and waste of space. SUMMARY
[0003] The technical problem to be solved by the utility model is: in order to solve the focal point of multiple light sources corresponding to one light end collimation structure in the above background technology, LED defocus, low efficiency, increase the cost of LED raw materials, and also cause the circuit design to be complex and the heat risk to be improved, provide a dual light color lens system.
[0004] The technical scheme adopted by the utility model to solve its technical problems is: a dual light color lens system, including a plurality of first light color LED lamps, second light color LED lamps and lens body distributed in up and down, the side surface of the lens body is the light entrance surface, the light entrance surface is a multi-stage stepped structure, the outer side of the middle section of each stepped surface is provided with a first light color LED lamp and a second light color LED lamp, the other side surface of the lens body is the light exit surface, the light exit surface is a corrugated structure, which is connected by a plurality of arc surfaces in turn, and the middle part of the light exit surface is convex at both ends.
[0005] Further, the first light color LED lamp group includes a plurality of first LED lamps, and the number of the first LED lamps is the same as the number of the stepped stages of the light entrance surface.
[0006] Further, the second light color LED lamp group includes a plurality of second LED lamps, and the number of the second LED lamps is the same as the number of the stepped stages of the light entrance surface.
[0007] Further, the lens body has a first focal point and a second focal point, the first light color LED lamp is arranged on the first focal point, the second light color LED lamp is arranged on the second focal point, and the second focal point and the first focal point are distributed in up and down.
[0008] Further, the light-out surface comprises first, second, third, fourth, fifth and sixth arc surfaces connected in sequence from the upper end to the lower end, the first and second arc surfaces are arranged downwardly inclined, the third and fourth arc surfaces are arranged vertically, and the fifth and sixth arc surfaces are arranged downwardly inclined and opposite to the inclined direction of the first and second arc surfaces.
[0009] Further, the light-in surface is provided with a light distribution pattern.
[0010] Further, the upper top surface and the lower bottom surface of the lens body are fan-like structures.
[0011] The utility model also relates to a car lamp comprising the double-color lens system.
[0012] The lens body has double foci, the first light color LED lamp and the second light color LED lamp are arranged at the positions of the two foci of the lens body respectively, are not out of focus, are high in efficiency, high in space utilization, save power consumption and heat, and reduce cost; the light-in surface is in a multistage stepped structure and is suitable for being used in an inclined car lamp; the light-out surface is in a corrugated structure and is connected by a plurality of arc surfaces, is good in lighting uniformity, and is visually transparent. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model will be further explained in connection with the drawings and examples.
[0014] Figure 1 It is a structural schematic diagram of the utility model.
[0015] Figure 2 It is a front view of the utility model. Figure 1
[0016] Figure 3 It is a front view of the utility model. Figure 1
[0017] Figure 4 It is a rear view of the utility model. Figure 1
[0018] Figure 5 It is a principle diagram of the utility model, wherein, Figure 5 (a) is a principle diagram of one implementation mode; Figure 5 (b) is a principle diagram of another implementation mode.
[0019] Figure 6 It is a light path diagram of the utility model adopting Figure 5 (a) implementation mode.
[0020] Figure 7 It is another form of arrangement of the first light color LED lamp and the second light color LED lamp in the utility model.
[0021] In the figure: 1, lens body; 11, light entrance surface; 12, light exit surface; 121, first type of curved surface; 122, second type of curved surface; 123, third type of curved surface; 124, fourth type of curved surface; 125, fifth type of curved surface; 126, sixth type of curved surface. DETAILED DESCRIPTION
[0022] The utility model will be further explained in detail in combination with the drawings. These drawings are all simplified schematic diagrams, and only schematically show the basic structure of the utility model, so they only show the structure related to the utility model.
[0023] As Figures 1-4 shown, a dual light color lens system comprises a plurality of first light color LED lamps (X in Figure 4 ), second light color LED lamps (· in Figure 4 ) and a lens body 1 distributed in an up-down manner, one side of the lens body 1 is a light entrance surface 11, the light entrance surface 11 is a multi-stage stepped structure, and a first light color LED lamp and a second light color LED lamp are arranged on the outer side of the middle section of each stepped surface, the other side of the lens body 1 is a light exit surface 12, the light exit surface 12 is a corrugated structure, which is composed of a plurality of arc-like surfaces connected in sequence, and the middle part of the light exit surface 12 is convex at both ends. The upper top surface and the lower bottom surface of the lens body 1 are fan-like structures.
[0024] The light emitted by the first light color LED lamp and the second light color LED lamp enters the lens body 1 through the light entrance surface 11, is refracted and collimated by the lens body 1, and is emitted by the light exit surface 12.
[0025] The first light color LED lamp group comprises a plurality of first LED lamps, and the number of the first LED lamps is the same as the number of the stepped stages of the light entrance surface. The second light color LED lamp group comprises a plurality of second LED lamps, and the number of the second LED lamps is the same as the number of the stepped stages of the light entrance surface. The lens body 1 has a first focal point and a second focal point, the first light color LED lamp is arranged on the first focal point, the second light color LED lamp is arranged on the second focal point, and the second focal point and the first focal point are distributed in an up-down manner. The lens body 1 in the embodiment is specifically bifocal, and the two light colors are arranged in an up-down manner, that is, the focal points of the LED lamps are also arranged in an up-down manner.
[0026] As Figure 5 shown, the focal point F1 generates the Lens1 surface, the focal point F2 generates the Lens2 surface, the Lens1 surface and the Lens2 surface intersect to form four small faces (A1, B1, A2, B2), Figure 5 (a), select A1 and B1 two small faces to set optical structure (lens) to carry out light refraction collimation; Figure 5(b), two facets A2 and B2 are selected to set the optical structure (lens) to refract and collimate the light.
[0027] As shown in Figure 6 the first arc surface 121 and the second arc surface 122 are arranged downwardly, the third arc surface 123 and the fourth arc surface 124 are arranged vertically, and the fifth arc surface 125 and the sixth arc surface 126 are arranged downwardly and oppositely to the first arc surface 121 and the second arc surface 122. The light emitted by the second light color LED lamp at the focal point F2 is collimated by the first arc surface 121, the third arc surface 123 and the fifth arc surface 125 and then emitted, and the light emitted by the first light color LED lamp at the focal point F1 is collimated by the second arc surface 122, the fourth arc surface 124 and the sixth arc surface 126 and then emitted, so that the lens system of the embodiment can realize double light multiplexing.
[0028] In addition, the light entrance surface is not limited to the plane of the embodiment, and can be designed according to the demand. The first light color LED lamp and the second light color LED lamp in the embodiment can adopt a double-core LED, which realizes double light multiplexing and is not out of focus, has high efficiency, saves power consumption and heat, and reduces cost. The first light color LED lamp and the second light color LED lamp can also be arranged as shown in Figure 7 .
[0029] The double-color lens system of the embodiment saves LED and reduces cost, has good lighting uniformity, is visually transparent, and has high space utilization. Thus, a vehicle lamp can be provided, which includes the double-color lens system of the embodiment.
[0030] Based on the above ideal embodiments of the present application, through the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.
Claims
1. A dual-color lens system, comprising a plurality of first-color LEDs, second-color LEDs, and a lens body (1) arranged vertically, characterized in that: One side of the lens body (1) is the light-incident surface (11), which has a multi-step structure. A first-color LED and a second-color LED are provided on the outer side of the middle section of each step. The other side of the lens body (1) is the light-exit surface (12), which has a corrugated structure and is formed by connecting multiple arc-shaped surfaces in sequence. The light-exit surface (12) has two protruding ends in the middle.
2. The bicolor lens system according to claim 1, characterized in that: The first light color LED light group includes a plurality of first LED lights, the number of which is the same as the number of steps on the incident light surface.
3. The bicolor lens system according to claim 2, characterized in that: The second color LED light group includes a number of second LEDs, the number of which is the same as the number of steps on the incident light surface.
4. The bicolor lens system according to claim 3, characterized in that: The lens body (1) has a first focal point and a second focal point. The first color LED is disposed on the first focal point, and the second color LED is disposed on the second focal point. The second focal point and the first focal point are distributed vertically.
5. The bicolor lens system according to claim 1, characterized in that: The light-emitting surface (12) includes a first type of arc surface (121), a second type of arc surface (122), a third type of arc surface (123), a fourth type of arc surface (124), a fifth type of arc surface (125), and a sixth type of arc surface (126) connected sequentially from the top to the bottom. The first type of arc surface (121) and the second type of arc surface (122) are inclined downwards. The third type of arc surface (123) and the fourth type of arc surface (124) are vertically arranged. The fifth type of arc surface (125) and the sixth type of arc surface (126) are inclined downwards and in the opposite direction to the inclination of the first type of arc surface (121) and the second type of arc surface (122).
6. The bicolor lens system according to claim 1, characterized in that: The light-incident surface (11) is provided with a light distribution pattern.
7. The bicolor lens system according to claim 1, characterized in that: The top and bottom surfaces of the lens body (1) are fan-shaped structures.
8. A vehicle light, characterized in that: Includes the bicolor lens system as described in any one of claims 1 to 7.