CN215001386U - Small-caliber high beam unit and assembly thereof - Google Patents

Abstract

The utility model discloses a small-bore distance light unit and subassembly thereof, LED light source module and grading lens group follow the light source and follow optical axis direction and arrange in proper order, the PCB board sets up in the inside of radiator, the LED chip sets up in one side of PCB board, first lens horizontal direction focal power is greater than vertical direction focal power, second lens surface horizontal direction focal power is 0, and second lens lid closes first lens, the surface of second lens is cylinder or fresnel surface, the material of first lens and second lens is glass or plastics, make structure overall dimension very little when through above setting up, the utilization ratio of light promotes by a wide margin, luminance is higher, the illuminating effect has been improved, the power of LED chip has been reduced, the radiating burden of car light has been alleviateed, the life of car light has been prolonged, and car light design free space is bigger.

Description

Small-caliber high beam unit and assembly thereof

Technical Field

The utility model relates to an automotive lighting technical field especially relates to a small-bore distance light unit and subassembly thereof.

Background

The LED automobile high beam which is common on the market at present is in an LED + reflector form and an LED + single lens form, the two forms have low light utilization rate, especially LED edge light can not be well converged, some stray light is generated to influence visual effect, the light utilization rate is low, power can only be increased for meeting lighting effect, energy consumption is increased, the temperature of the LED is increased due to the increase of the power, the heat dissipation burden of the automobile lamp is increased, the service life of the automobile lamp is directly influenced, driving safety is endangered, the LED high beam of the two forms has large structural size, and the trend that the automobile lamp is designed towards streamline, simple and compact shapes in the future is hindered.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small-bore far-reaching headlamp unit and subassembly thereof aims at solving the light utilization ratio of the LED car far-reaching headlamp among the prior art and is low, and the illuminating effect is poor, and increase power causes the LED temperature to increase, has aggravated car light heat dissipation burden, and the life of direct influence car light endangers driving safety, and has restricted the technical problem in car light design space.

For realizing the above-mentioned purpose, the utility model discloses a small-bore distance light unit comprises LED light source module and grading battery of lens, LED light source module with the grading battery of lens is arranged along the optical axis direction order from the light source, LED light source module comprises radiator, PCB board, LED chip, the PCB board set up in the inside of radiator, the LED chip set up in one side of PCB board, the grading battery of lens comprises first lens and second lens, first lens horizontal direction focal power is greater than vertical direction focal power, second lens surface horizontal direction focal power is 0, just the second lens lid closes first lens.

The first lens and the second lens are any one of a spherical lens, an aspheric plano-convex lens, an aspheric biconvex lens, an aspheric meniscus lens and a cylindrical lens.

The outer surface of the second lens is a cylindrical surface or a Nefel surface.

The distance between the light emitting surface of the LED chip and the incident surface of the first lens is 0.3-2 mm.

Wherein the first lens and the second lens are made of glass or plastic.

Wherein, the utility model also provides a small-bore distance light subassembly, including small-bore distance light unit, the quantity of small-bore distance light unit is a plurality of, and a plurality of small-bore distance light unit independent assortment combination.

Wherein, the appearance of each small-caliber high beam unit is rectangular or circular.

The shape of the light spot irradiated by each small-caliber high beam unit is human eye-shaped, circular or rectangular.

And each small-caliber high beam unit is used for carrying out illumination test on a standard light distribution test screen of 25m, and the maximum illumination is 35lx or more under the LED power of 3 watts.

The beneficial effects of the utility model are embodied in: the LED chip is fixedly connected with the PCB and is positioned on one side of the PCB, the PCB is a fixing part of the LED chip, a circuit is arranged in the PCB, the PCB provides a power supply path and a heat dissipation effect for the LED chip, the LED chip is ensured to be lightened and used for a long time, the LED chip is electrified to emit light, the first lens is arranged on one side of the LED chip along the light emitting direction, the light emitted by the LED chip irradiates the first lens, the first lens carries out first light distribution on the light, collects the light as much as possible and plays a role of converging the light, the second lens is arranged on the right side of the first lens along the optical axis direction from a light source, carries out second light distribution on the light and is matched with the first lens for use, the light can be distributed to an area needing illumination, and sufficient illumination is provided for night driving, the lighting effect of car light has been satisfied to and the rule requirement of car light, the second lens with the connection can be dismantled to the radiator, makes the radiator provides the heat dissipation for this unit, has guaranteed the reliability of product, has improved the life of product, and when making structure overall dimension very little through above structure setting, the utilization ratio of light promotes by a wide margin, and luminance is higher, has improved the illuminating effect, greatly reduced the power of LED chip when fully satisfying the lighting demand, has alleviateed the radiating burden of car light, has prolonged the life of car light.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an external structural schematic diagram of a small-caliber high beam unit according to the present invention.

Fig. 2 is a working schematic diagram of a small-caliber high beam unit of the present invention.

Fig. 3 is a cross-sectional view of the second lens of the present invention, which is a fresnel lens.

Fig. 4 is a working schematic diagram of the second lens of the present invention being a fresnel lens.

100-small-caliber high beam unit, 1-LED chip, 2-first lens, 3-second lens, 4-PCB board, 5-radiator, 6-LED light source module, 7-light distribution lens group.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Please refer to fig. 1 to 4, the utility model provides a small-bore distance light unit 100 comprises LED light source module 6 and grading lens group 7, LED light source module 6 with grading lens group 7 is arranged along the optical axis direction from the light source in proper order, LED light source module 6 comprises radiator 5, PCB board 4, LED chip 1, PCB board 4 set up in radiator 5's inside, LED chip 1 set up in one side of PCB board 4, lens group 7 comprises first lens 2 and second lens 3, 2 horizontal direction focal power of first lens are greater than vertical direction focal power, 3 surface horizontal direction focal power of second lens are 0, just 3 lid of second lens close first lens 2.

In this embodiment, the LED chip 1 is fixedly connected to the PCB 4 and is located on one side of the PCB 4, the PCB 4 is a fixing member of the LED chip 1, a circuit is disposed inside the PCB 4, the PCB 4 provides a power supply path and a heat dissipation function for the LED chip 1, so as to ensure lighting and long-term use of the LED chip 1, the LED chip 1 is powered on to emit light, the first lens 2 is disposed on one side of the LED chip 1 along a light emitting direction, light emitted from the LED chip 1 is irradiated on the first lens 2, the first lens 2 performs first light distribution on the light, collects the light as much as possible, and performs light gathering, the second lens 3 is disposed on the right side of the first lens 2 along the optical axis direction from a light source, the second lens 3 performs second light distribution on the light, and is used in cooperation with the first lens 2, can distribute the region that needs the illumination with light, provide sufficient illumination for traveling at night, satisfy the illuminating effect of car light to and the rule requirement of car light, second lens 3 with radiator 5 can dismantle the connection, makes radiator 5 provides the heat dissipation for this unit, has guaranteed the reliability of product, has improved the life of product, and when making structure overall dimension very little through above structure setting, the utilization ratio of light promotes by a wide margin, and luminance is higher, has improved illuminating effect, greatly reduced LED chip 1's power when fully satisfying the lighting demand, has alleviateed the radiating burden of car light, has prolonged the life of car light.

Further, the first lens 2 and the second lens 3 are each any one of a spherical lens, an aspheric plano-convex lens, an aspheric biconvex lens, an aspheric meniscus lens, and a cylindrical lens, and the first lens 2 and the second lens 3 are made of glass or plastic.

In this embodiment, through adopting two pure lens structural style, can be with the fine gathering of light to the position that needs the illumination is dispersed to the accuracy, and no longer uses the reflector, has saved the coating film technology of reflector in the production and processing, has reduced the cost of production, and more energy-concerving and environment-protective has improved the practicality of this device.

Furthermore, the outer surface of the second lens 3 is a cylindrical surface or a fresnel surface, and the distance between the light emitting surface of the LED chip 1 and the incident surface of the first lens 2 is 0.3-2 mm.

In this embodiment, the outer surface of the second lens 3 may be a cylindrical surface or a fresnel surface, and since the thickness of the center of the fresnel surface lens is thinner, the material is saved, so that shrinkage is less during injection molding, the surface shape precision can be controlled, the processing accuracy is ensured, the error between the actually produced product and the design is smaller, and the product effect is better.

Further, the number of the small-caliber high beam units 100 is plural, and the plural small-caliber high beam units 100 are freely arranged and combined.

In the present embodiment, the small-diameter high beam unit 100 is freely arranged and combined into various shapes, so as to provide a larger free space for the design of the vehicle lamp, and the emitted light spot can be in any shape.

Further, the outer shape of each of the small-caliber high beam units 100 is rectangular or circular.

In this embodiment, the appearance of small-bore high beam unit 100 can set up according to the demand that the car light was designed, can be circular or rectangle, and the diversification of appearance structure makes the utility model discloses can satisfy the design demand of different car lights, the practicality is higher.

Further, the shape of the light spot irradiated by each small-caliber high beam unit 100 is human eye-shaped, circular or rectangular.

In this embodiment, the facula that the product on the market shines out at present is mostly circular or rectangle, the facula of small-bore high beam unit 100 has the circular advantage of shining highly simultaneously and has the wide characteristic of rectangle facula radiation again, and has certain aesthetic feeling, and different facula shapes make the design of car light have bigger space, have improved the visual experience of car light.

Further, each of the small-caliber high beam units 100 performs a 25m standard light distribution test screen illuminance test, and the maximum illuminance is 35lx or more under the LED power of 3 watts.

In the present embodiment, a plurality of small-diameter high beam units 100 are arbitrarily stacked and combined, so that the illumination degree of the vehicle lamp is higher, the requirement for night driving can be satisfied, and the practicability is improved.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (9)

1. The utility model provides a small-bore high beam unit, its characterized in that comprises LED light source module and grading lens group, LED light source module with the grading lens group is arranged along the optical axis direction order from the light source, LED light source module comprises radiator, PCB board, LED chip, the PCB board set up in the inside of radiator, the LED chip set up in one side of PCB board, the grading lens group comprises first lens and second lens, first lens horizontal direction focal power is greater than vertical direction focal power, second lens surface horizontal direction focal power is 0, just the second lens lid closes first lens.

2. The small-caliber high beam unit according to claim 1, wherein the first lens and the second lens are each any one of a spherical lens, an aspherical plano-convex lens, an aspherical biconvex lens, an aspherical meniscus lens, and a cylindrical lens.

3. The small-caliber high beam unit according to claim 1, wherein the outer surface of the second lens is a cylindrical surface or a fresnel surface.

4. The small-caliber high beam unit according to claim 1, wherein the distance between the light emitting surface of the LED chip and the incident surface of the first lens is 0.3-2 mm.

5. The small-caliber high beam unit according to claim 1, wherein the material of the first lens and the second lens is glass or plastic.

6. A small-caliber high beam assembly, comprising the small-caliber high beam unit according to any one of claims 1 to 3, wherein the number of the small-caliber high beam units is plural, and the plural small-caliber high beam units are freely arranged and combined.

7. The small-caliber high-beam assembly according to claim 6, wherein each small-caliber high-beam unit has a rectangular or circular outer shape.

8. The small-caliber high-beam assembly according to claim 7, wherein each small-caliber high-beam unit irradiates a spot having a shape of a human eye, a circle or a rectangle.

9. The small-caliber high beam assembly according to claim 8, wherein each small-caliber high beam unit performs a 25m standard light distribution test screen illuminance test, and the maximum illuminance at 3 w of LED power is 35lx or more.

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