CN216744173U

CN216744173U - Light distribution structure for improving LED total reflection bowl

Info

Publication number: CN216744173U
Application number: CN202220386581.7U
Authority: CN
Inventors: 耿晓仁; 练志斌; 沈一帆
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-06-14
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a light distribution structure for improving an LED total reflection bowl, which comprises an LED lamp holder, an inner lampshade and a reflector, wherein the inner lampshade is arranged on the LED lamp holder, the reflector is arranged on the LED lamp holder, the inner lampshade is positioned on the inner side of the reflector, an LED light source is arranged on a PCB (printed circuit board) of the LED lamp holder, the inner lampshade is fixed on the LED lamp holder and positioned right in front of the LED light source, and optical patterns or optical leather patterns for scattering light rays are arranged on the inner surface or the outer surface of the inner lampshade. The light distribution structure for improving the LED total reflection bowl has the advantages of simple structure, low cost, more uniform reflection effect and guaranteed optical quality.

Description

Light distribution structure for improving LED total reflection bowl

Technical Field

The utility model relates to the technical field of car light illumination, in particular to a light distribution structure for improving an LED total reflection bowl.

Background

At present, in an automobile lighting lamp using a bulb reflector, a direct-injection type light emitting mode needs to meet the requirement of a light emitting effect through total reflection light of a bulb, and the light emitting effect is relatively poor due to low brightness and relatively weak light emitting of the bulb. Therefore, the light emitting form of the light source has an important influence on the actual light emitting quality of the direct lighting effect lamp. Therefore, it has been very difficult to improve the light emission form of the light source itself with a simple structure and at a low cost.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art.

Therefore, the utility model provides a light distribution structure for improving an LED total reflection bowl, which has the advantages of simple structure, low cost, more uniform reflection effect and guaranteed optical quality.

The light distribution structure for improving the LED total reflection bowl according to the embodiment of the utility model is characterized in that: including the LED lamp stand, install interior lamp shade on the LED lamp stand and installing speculum on the LED lamp stand, just interior lamp shade is located the inboard of speculum, be provided with the LED light source on the PCB circuit board of LED lamp stand, interior lamp shade is fixed just be located on the LED lamp stand the dead ahead of LED light source, the internal surface or the surface of interior lamp shade are provided with the optics decorative pattern or the optics dermatoglyph of breaing up light.

The utility model has the advantages of simple structure, small volume, low cost, convenient installation, good optical performance, strong replaceability, prolonged service life, capability of effectively solving the problems of small selection range of light flux of the bulb, low service life and the like, replaces the total reflection luminous effect of the bulb, has more uniform reflection effect, improves the optical quality, greatly improves the light distribution uniformity of the car lamp, and simultaneously avoids the risk of visible appearance of the LED.

According to one embodiment of the utility model, the outer surface of the inner lamp cover is convexly curved.

According to one embodiment of the utility model, the inner lamp housing is a transparent part.

According to one embodiment of the utility model, the inner lampshade is fixed on the LED lamp holder through a buckle structure.

According to one embodiment of the utility model, three protruding buckles are arranged on the side edge of the inner lampshade, three grooves are arranged on the LED lamp holder, and the inner lampshade is fixed on the LED lamp holder through the protruding buckles being clamped in the grooves in a matching manner.

According to one embodiment of the utility model, the three convex buckles are distributed on the side edge of the inner lampshade at equal angles, and the three grooves are distributed on the LED lamp holder at equal angles.

According to one embodiment of the utility model, the inner lampshade and the LED lamp holder are of an integrated structure.

According to one embodiment of the utility model, the inner surface of the inner lamp shade is provided with a concave spherical corn-like optical pattern.

According to one embodiment of the utility model, the outer surface of the inner lampshade is provided with a convex spherical corn-like optical pattern.

According to one embodiment of the utility model, the inner light cover is a completely transparent part.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at C;

fig. 4 is a cross-sectional view at B-B in fig. 1.

The reference numbers in the drawings are: 1. a mirror; 2. an inner lampshade; 3. an LED lamp holder; 4. a PCB circuit board; 5. an LED light source.

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 or similar 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 accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following describes a light distribution structure of an improved LED total reflection bowl according to an embodiment of the present invention with reference to the accompanying drawings. The arrows in fig. 4 indicate the light propagation paths.

Referring to fig. 1, 2, 3 and 4, the light distribution structure for improving the LED total reflection bowl of the utility model includes an LED lamp holder 3, an inner lampshade 2 mounted on the LED lamp holder 3, and a reflector 1 mounted on the LED lamp holder 3, wherein the inner lampshade 2 is located at the inner side of the reflector 1, an LED light source 5 is arranged on a PCB circuit board 4 of the LED lamp holder 3, the inner lampshade 2 is fixed on the LED lamp holder 3 and located right in front of the LED light source 5, and an inner surface or an outer surface of the inner lampshade 2 is provided with an optical pattern or an optical dermatoglyph for scattering light.

Wherein, the outer surface of the inner lamp shade 2 is a convex curved surface shape, and the inner lamp shade 2 is a transparent part. The LED light source 5 is purchased from the market directly, specifications produced by different manufacturers are different, two light colors of yellow light and white light are generally adopted on the car lamp, and the power is generally 0.1-3W. The PCB board 4 is custom made. The LED lamp holder 3 is newly developed on the basis of the existing standard lamp holder, namely, the installation structure is additionally arranged on the basis of the existing standard lamp holder.

According to one embodiment of the utility model, the inner surface of the inner lamp housing 2 is provided with a dimpled corn-like optical pattern. The outer surface of the inner lampshade 2 is provided with convex spherical corn-shaped optical patterns. The inner lampshade 2 is a completely transparent part.

According to one embodiment of the utility model, see fig. 3, the inner lampshade 2 is fixed on the LED lamp holder 3 by a snap structure. The side of interior lamp shade 2 is provided with three protruding buckle, is provided with three recess on the LED lamp stand 3, matches the card through protruding buckle and establishes in the recess, realizes that interior lamp shade 2 fixes on LED lamp stand 3 to lamp shade 2 is located 5 dead ahead in the assurance. The three raised buckles are distributed on the side edge of the inner lampshade 2 at equal angles, and the three grooves are distributed on the LED lamp holder 3 at equal angles. The inner lampshade 2 and the LED lamp holder 3 are of an integrated structure, so that the inner lampshade and the LED lamp holder can be replaced and detached conveniently.

According to one embodiment of the utility model, four raised buckles are arranged on the side edge of the inner lampshade 2, four grooves are arranged on the LED lamp holder 3, and the inner lampshade 2 is fixed on the LED lamp holder 3 by means of the raised buckles being clamped in the grooves in a matching manner, so that the inner lampshade 2 is positioned right in front of the LED light source 5. The four convex buckles are distributed on the side edge of the inner lampshade 2 at equal angles, and the four grooves are distributed on the LED lamp holder 3 at equal angles.

This improve grading structure of LED total reflection bowl has following advantage:

the LED lamp has the advantages that the structure is simple, the size is small, the installation is convenient, the optical performance is good, the replaceability is strong, the total reflection light-emitting effect of a bulb is replaced, the reflection effect is more uniform, the optical quality is improved, the light distribution uniformity of the automobile lamp is greatly improved, and meanwhile, the risk that the appearance of an LED is visible is avoided;

secondly, the cost is low: compared with the structure of the conventional LED and the radiator, the cost of the LED can be reduced by about 30 percent;

the problem that the service life of a conventional bulb is short can be effectively solved, and the service life is prolonged: compared with the conventional bulb, the service life of the conventional bulb is up to thousands of hours, and the service life of the LED can reach 10 thousands of hours;

the problem that the selection range of the luminous flux (the quantity of light emitted in unit time) of the conventional bulb is small can be effectively solved, the luminous flux of the conventional bulb is confirmed according to the type of the bulb, each type corresponds to one type of the luminous flux, the selectivity is low, however, the LED is adjusted according to the current of the LED, and the required luminous flux can be realized theoretically.

And fifthly, due to the reason that the luminous flux of the conventional bulb is less selected, the regulation and the uniformity of the whole lamp cannot be considered at the same time, however, the LED can improve the luminous flux and optimize the uniformity of the whole lamp on the premise of meeting the regulation.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides an improve grading structure of LED total reflection bowl which characterized in that: including LED lamp stand (3), install interior lamp shade (2) on LED lamp stand (3) and installing speculum (1) on LED lamp stand (3), just interior lamp shade (2) are located the inboard of speculum (1), be provided with LED light source (5) on PCB circuit board (4) of LED lamp stand (3), interior lamp shade (2) are fixed just be located on LED lamp stand (3) LED light source (5) dead ahead, the internal surface or the surface of interior lamp shade (2) are provided with the optics decorative pattern or the optics dermatoglyph of breaing up light.

2. A light distribution structure for improving an LED total reflection bowl according to claim 1, wherein: the outer surface of the inner lampshade (2) is in a convex curved surface shape.

3. A light distribution structure for improving LED total reflection bowls according to claim 1, wherein: the inner lampshade (2) is a transparent part.

4. A light distribution structure for improving LED total reflection bowls according to claim 1, wherein: the inner lampshade (2) is fixed on the LED lamp holder (3) through a buckle structure.

5. A light distribution structure for improving LED total reflection bowls according to claim 4, characterized in that: the side of interior lamp shade (2) is provided with three protruding buckle, be provided with three recess on LED lamp stand (3), through protruding buckle matches the card and establishes in the recess, realizes interior lamp shade (2) are fixed on LED lamp stand (3).

6. A light distribution structure for improving LED total reflection bowls according to claim 5, characterized in that: the three protruding buckles are distributed on the side edge of the inner lampshade (2) at equal angles, and the three grooves are distributed on the LED lamp holder (3) at equal angles.

7. A light distribution structure for improving LED total reflection bowls according to claim 1, wherein: the inner lampshade (2) and the LED lamp holder (3) are of an integrated structure.

8. A light distribution structure for improving LED total reflection bowls according to claim 1, wherein: the inner surface of the inner lampshade (2) is provided with concave spherical jade rice grain-shaped optical patterns.

9. A light distribution structure for improving LED total reflection bowls according to claim 1, wherein: the outer surface of the inner lampshade (2) is provided with convex spherical jade grain-shaped optical patterns.

10. A light distribution structure for improving LED total reflection bowls according to claim 3, wherein: the inner lampshade (2) is a completely transparent part.