CN114688491A - Prevent LED from scurrying car light of light - Google Patents

Abstract

The invention provides a car lamp for preventing LED light fleeing, which comprises a light-emitting component, an outer lamp cover, an inner lamp cover and a reflecting cover, wherein a circle of light-permeable decorative ring is arranged on the inner lamp cover, the inner lamp cover is not light-permeable except the decorative ring, the light-emitting component comprises a condenser and an LED light source, a circuit board is arranged at the bottom of the inner side of the lamp shell, the condenser is arranged above the circuit board, the condenser comprises a light-impermeable non-pattern part and a plurality of light-permeable pattern parts, an LED light source is arranged below each light-permeable pattern part, a plurality of conical light-passing holes are formed in one side of the condenser close to the reflecting cover, each conical light-passing hole is correspondingly arranged above the corresponding LED light source, the side wall of each conical light-passing hole is coated with a light-impermeable material, and illumination areas of the LED light sources, which irradiate on the reflecting cover, are matched with each other and are distributed on the reflecting surface and are not interfered with each other. The invention provides a vehicle lamp capable of preventing light from being emitted by an LED (light-emitting diode), which adopts the structure of adding a condenser, so that light can reach a corresponding reflecting surface to be reflected, and light can not be transmitted to an adjacent reflecting surface to form bright spots.

Description

A car lamp for preventing LED channel light

technical field

The invention relates to the technical field of automobile lamps, in particular to an automobile lamp for preventing LED channel light.

Background technique

With the increasing requirements of customers, it is not only required to have a compact and beautiful structure in the shape of automobile lights, but also to require uniform light output and no bright spots. However, in the case of a large reflective surface, it is easy to cause bright spots on the reflective surface of the adjacent area. For this reason, we provide an automobile lamp structure that prevents the occurrence of bright spots.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is: in order to overcome the shortage of bright spots in the light emitted by the vehicle lamp in the prior art, the present invention provides a vehicle lamp for preventing LED channel light.

The technical solution adopted by the present invention to solve the technical problem is as follows: a vehicle lamp for preventing LED channel light, comprising a light-emitting component, an outer lampshade, an inner lampshade and a reflector, the outer lampshade and the reflector are mutually buckled to form a lamp housing, The inner lampshade is arranged on the side of the lamp housing close to the outer lampshade, a ring of light-permeable decorations is arranged on the inner lampshade, the inner lampshade is not light-transmitting except for the decoration ring, and the light-emitting component includes a light-emitting element. A light collector and a plurality of LED light sources arranged on a circuit board, the circuit board is arranged at the bottom of the inner side of the lamp housing, the light collector is arranged above the circuit board, and the light collector comprises a light-tight, non-patterned There is an LED light source under each light-transmitting pattern part, and a plurality of conical light-passing openings are provided on the side of the condenser close to the reflector, which are arranged in the direction of the reflector. , the cone angle of each of the conical light openings is correspondingly set above the corresponding LED light source, the sidewall of the conical light opening is coated with an opaque material, and each of the LED light sources illuminates the illumination area on the reflector The mutual cooperation covers the reflective surface and does not interfere with each other.

There are LED light sources at different positions on the circuit board, and conical light-passing ports are set on the concentrator to constrain the light emitted by the LED light sources, and the angles of the conical light-passing ports are different, so that the light emitted by each LED light source is only It can reach the corresponding reflective surface without interfering with each other and cannot produce bright spots; the purpose of setting the light-transmitting pattern part on the condenser is mainly to make the light reflected by the reflective surface diffuse evenly under the action of the light-transmitting pattern part, preventing the Bright spots are generated on the surface of the concentrator; an opaque non-patterned part is set on the concentrator to make the light of the LED light source opaque when passing through this part to avoid bright spots; the reflected light passes through the interior after being reflected. Bezel on the lampshade to get a specially shaped aperture.

Further, the reflective surface of the reflector is provided with a pattern that uniformly diffuses the light emitted by the LED light source. The function of the reflective surface of the reflector is that the pattern on its surface makes the light emitted by the LED light source reflect from all angles, and this structure ensures that the entire optical system has better optical performance.

Further, in order to narrow the diffusion angle of the light emitted by the LED light source, the taper angle of the conical light-passing port is provided with a light-receiving angle set toward the direction of the LED light source.

Further, in order to avoid light spots on the condenser, the non-patterned portion of the condenser and the sidewalls of the conical light-passing opening are plated with aluminum or coated with white paint. The unpatterned surface defines the texture and is aluminized or white painted.

Further, the concentrator is made of opalescent material or transparent material. It can be made of polymethyl methacrylate or polycarbonate.

The beneficial effects of the present invention are as follows: the vehicle lamp provided by the present invention for preventing LED channel light adopts the structure of adding a concentrator, so that the light can reach the corresponding reflecting surface for reflection, and will not spread to the adjacent reflecting surface Form bright spots, and at the same time design the pattern on the surface of the condenser, so that the light collected by the condenser is diffused to achieve the effect of making the light uniform and prevent bright spots on the surface of the condenser; and no pattern is designed on the side of the condenser The main purpose is to make the surface opaque to avoid bright spots, so that the entire optical system can have a large reflective surface without producing bright spots and can make the light output uniformly.

Description of drawings

The present invention will be further described below with reference to the accompanying drawings and embodiments.

Fig. 1 is the structural representation of the preferred embodiment of the present invention;

Fig. 2 is the enlarged schematic diagram of A in Fig. 1;

FIG. 3 is a schematic diagram of the structure of the concentrator.

In the picture: 1. Outer lampshade, 2. Inner lampshade, 2-1, Bezel, 3. Reflector, 4. Concentrator, 4-1, No pattern part, 4-2, Light-transmitting pattern part, 4- 3. Conical light-passing port, 4-4, light receiving angle, 5. LED light source, 6. circuit board.

Detailed ways

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and only illustrates the basic structure of the present invention in a schematic manner, so it only shows the structure related to the present invention.

As shown in FIGS. 1-3 , a vehicle lamp for preventing LED channel light according to the present invention includes a light-emitting assembly, an outer lamp cover 1 , an inner lamp cover 2 and a reflector 3 , and the outer lamp cover 1 and the reflector 3 are formed by engaging with each other. The lamp housing, the inner lamp shade 2 is arranged on the side of the lamp housing close to the outer lamp shade 1, the inner lamp shade 2 is provided with a light-transmitting decorative ring 2-1, and the inner lamp shade 2 except the decorative ring 2- 1. They are not light-transmitting outside. The light-emitting assembly includes a concentrator 4 and a plurality of LED light sources 5 arranged on a circuit board 6. The circuit board 6 is arranged at the bottom of the inner side of the lamp housing. Above the circuit board 6, the concentrator 4 includes an opaque non-patterned portion 4-1 and a plurality of light-transmitting pattern portions 4-2, each of which is provided below the light-transmitting pattern portion 4-2. LED light source 5, the condenser 4 is provided with a plurality of tapered light passages 4-3 on the side close to the reflector 3, which are arranged in the direction of the reflector 3, and each of the tapered light passages 4-3 is tapered The corners are correspondingly arranged above the corresponding LED light sources 5, the side walls of the conical light passages 4-3 are coated with opaque materials, and the illumination areas illuminated by the LED light sources 5 on the reflector 3 cooperate with each other and are full of reflections. face and do not interfere with each other.

The reflective surface of the reflector 3 is provided with a pattern that uniformly diffuses the light emitted by the LED light source 5 .

The taper angle of the conical light-passing port 4-3 is provided with a light-receiving angle 4-4 set toward the direction of the LED light source 5 .

The non-patterned portion 4-1 of the condenser 4 and the sidewalls of the conical light-passing port 4-3 are aluminized or coated with white paint.

The condenser 4 is made of polymethyl methacrylate.

work process:

The light emitted by the LED light source 5 is irradiated to the reflective surface of the reflector 3 through the confinement of the conical light-passing openings 4-3 on the concentrator 4. Because the positions of the LED light sources 5 are different, and the angle of each conical light-passing opening 4-3 is different Different, the light emitted by each LED light source 5 can only reach the corresponding reflective surface, and does not interfere with each other, and cannot produce bright spots; the purpose of setting the light-transmitting pattern portion 4-2 on the condenser 4 is mainly to make the reflective surface The reflected light is evenly diffused under the action of the light-transmitting pattern portion 4-2 to prevent bright spots on the surface of the condenser 4; an opaque non-patterned portion 4-1 is arranged on the condenser 4, the purpose is to make the LED light source The light of 5 is opaque when passing through this part to avoid bright spots; the reflected light passes through the decorative ring 2-1 on the inner lampshade 2 after being reflected to obtain a special shape aperture.

The arrows in Figure 1 indicate the direction of light.

Directions and references (eg, up, down, left, right, etc.) in the present invention may only be used to aid in the description of features in the figures. Therefore, the following detailed description is not to be taken in a limiting sense, and the scope of the claimed subject matter is defined solely by the appended claims and their equivalents.

Taking the above ideal embodiments according to the present invention as inspiration, and through the above description, relevant personnel can make various changes and modifications without departing from the scope of the present invention. The technical scope of the present invention is not limited to the contents in the specification, and the technical scope must be determined according to the scope of the claims.

Claims (5)

1. The utility model provides a prevent LED from scurrying car light which characterized in that: the LED lamp comprises a light-emitting component, an outer lamp shade (1), an inner lamp shade (2) and a reflecting cover (3), wherein the outer lamp shade (1) and the reflecting cover (3) are buckled with each other to form a lamp shell, the inner lamp shade (2) is arranged on one side, close to the outer lamp shade (1), in the lamp shell, a circle of light-permeable decorative ring (2-1) is arranged on the inner lamp shade (2), the inner lamp shade (2) is not light-permeable except the decorative ring (2-1), the light-emitting component comprises a condenser (4) and a plurality of LED light sources (5) arranged on a circuit board (6), the circuit board (6) is arranged at the bottom of the inner side of the lamp shell, the condenser (4) is arranged above the circuit board (6), the condenser (4) comprises a light-impermeable non-pattern part (4-1) and a plurality of light-permeable pattern parts (4-2), and an LED light source (5) is arranged below each light-permeable pattern part (4-2), one side of the condenser (4) close to the reflector (3) is provided with a plurality of conical light passing openings (4-3) arranged towards the reflector (3), the cone angle of each conical light passing opening (4-3) is correspondingly arranged above the corresponding LED light source (5), the side wall of each conical light passing opening (4-3) is coated with a light-tight material, and the illumination areas of the LED light sources (5) irradiating the reflector (3) are mutually matched and distributed on the reflecting surface and are not interfered with each other.

2. The vehicular lamp for preventing the channeling of the LED according to claim 1, wherein: patterns for uniformly diffusing light emitted by the LED light source (5) are arranged on the reflecting surface of the reflecting cover (3).

3. The vehicular lamp for preventing the channeling of LED's as claimed in claim 1 or 2, wherein: and a light receiving angle (4-4) arranged towards the direction of the LED light source (5) is arranged at the cone angle of the conical light passing port (4-3).

4. The vehicular lamp for preventing the channeling of the LED according to claim 1, wherein: the side walls of the non-pattern part (4-1) and the conical light passing opening (4-3) of the condenser (4) are plated with aluminum or coated with white paint.

5. The vehicular lamp for preventing the channeling of the LED according to claim 1, wherein: the condenser (4) is made of milk white materials or transparent materials.

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