阅读说明：本技术 一种石墨烯导热塑料结构散热的电动车led头灯 (Electric motor car LED headlight that graphite alkene heat conduction plastic structure is radiating ) 是由 倪捷 陈文胜 张芳勇 陶兴华 冯岩 于 2019-10-09 设计创作，主要内容包括：本发明的一种石墨烯导热塑料结构散热的电动车LED头灯,涉及电动车头灯领域,包括灯座、铝基板、至少一个LED芯片、透镜和灯罩；其特征在于：至少一个LED芯片与铝基板的一面相贴并固定连接在铝基板上,铝基板的另外一面通过硅脂与灯座的内侧壁面相贴,并且铝基板固定连接在灯座上；透镜固定连接在灯座上并将铝基板和至少一个LED芯片罩在透镜和灯座之间,灯罩固定连接在灯座上并将透镜罩在灯罩和灯座之间；灯座的外侧壁面上与铝基板的另外一面正对的位置上设置有多个散热翅片,多个散热翅片与灯座为采用石墨烯酚醛树脂材料进行一体热塑成型得到的一体成型件。本发明的电动车LED头灯散热效果好、制造简便。(The invention discloses an electric vehicle LED head lamp with a graphene heat-conducting plastic structure for heat dissipation, and relates to the field of electric vehicle head lamps, wherein the electric vehicle LED head lamp comprises a lamp holder, an aluminum substrate, at least one LED chip, a lens and a lamp shade; the method is characterized in that: the LED chip is attached to one surface of the aluminum substrate and fixedly connected to the aluminum substrate, the other surface of the aluminum substrate is attached to the inner side wall surface of the lamp holder through silicone grease, and the aluminum substrate is fixedly connected to the lamp holder; the lens is fixedly connected to the lamp holder and covers the aluminum substrate and the at least one LED chip between the lens and the lamp holder, and the lampshade is fixedly connected to the lamp holder and covers the lens between the lampshade and the lamp holder; a plurality of radiating fins are arranged on the outer side wall surface of the lamp holder and opposite to the other surface of the aluminum substrate, and the radiating fins and the lamp holder are integrally formed parts obtained by adopting a graphene phenolic resin material to perform integral thermoplastic forming. The LED head lamp of the electric vehicle has good heat dissipation effect and is simple and convenient to manufacture.)

1. An electric vehicle LED headlamp with a graphene heat-conducting plastic structure for heat dissipation comprises a lamp holder (1), an aluminum substrate (2), at least one LED chip (3), a lens (4) and a lampshade (5); the method is characterized in that: the LED chip (3) is attached to one surface of the aluminum substrate (2) and fixedly connected to the aluminum substrate (2), the other surface of the aluminum substrate (2) is attached to the inner side wall surface of the lamp holder (1) through silicone grease, and the aluminum substrate (2) is fixedly connected to the lamp holder (1); the lens (4) is fixedly connected to the lamp holder (1) and covers the aluminum substrate (2) and the at least one LED chip (3) between the lens (4) and the lamp holder (1), and the lampshade (5) is fixedly connected to the lamp holder (1) and covers the lens (4) between the lampshade (5) and the lamp holder (1); the LED lamp is characterized in that a plurality of radiating fins (8) are arranged on the outer side wall surface of the lamp holder (1) at positions opposite to the other surface of the aluminum substrate (2), and the radiating fins (8) and the lamp holder (1) are integrally formed parts obtained by integrally performing thermoplastic forming on graphene phenolic resin materials.

2. The electric vehicle LED headlamp according to claim 1 wherein the lamp housing (5) is a polycarbonate lamp housing (5).

3. The electric vehicle LED headlight according to claim 1, wherein the lens (4) is a plexiglas lens (4).

4. The LED headlight for an electric vehicle as claimed in claim 1, wherein a cavity is arranged in the lamp holder (1), the aluminum base plate (2) and the at least one LED chip (3) being located in the cavity.

5. The LED head lamp for the electric vehicle as claimed in claim 4, wherein the lamp holder (1) comprises a base (6) and a boss (7) arranged on the base (6), communicated cavities are arranged in the base (6) and the boss (7), the aluminum substrate (2) and the at least one LED chip (3) are located in the cavity of the boss (7), the lens (4) and the lampshade (5) are fixedly connected on the base (6), and the plurality of heat dissipation fins (8) are located on the boss (7).

6. The LED headlight for an electric vehicle according to claim 5, wherein the plurality of heat dissipating fins (8) are arranged perpendicular to the aluminum substrate (2).

7. The LED headlight for an electric vehicle as claimed in claim 6, wherein the base (6) and the cover (5) are circular and the projection (7) is square.

8. The electric vehicle LED headlamp as defined in any one of claims 1 to 7, wherein the electric vehicle LED headlamp is used on a two-or three-wheeled electric vehicle.

Technical Field

The invention relates to the field of electric vehicle headlamps, in particular to an electric vehicle LED headlamp with a graphene heat-conducting plastic structure for heat dissipation.

Background

The LED lamp has the advantages of energy conservation, environmental protection and the like, and is widely applied to various illumination fields. The LED lamp is also used for making the headlight of electric motor car at present, and the heat dispersion of LED lamp directly influences its life-span, and high heat dispersion has very big benefit to the life-span of LED. The heat dissipation of the existing LED lamp adopts an aluminum radiator, and the heat dissipation effect is poor, so that the heat dissipation effect of the LED lamp radiator needs to be improved urgently.

Disclosure of Invention

The invention aims to make up for the defects in the prior art, and provides the electric vehicle LED headlamp with the graphene heat-conducting plastic structure for heat dissipation, so that the heat dissipation performance of the LED headlamp is improved.

The technical scheme of the invention is as follows: an electric vehicle LED headlamp with a graphene heat-conducting plastic structure for heat dissipation comprises a lamp holder, an aluminum substrate, at least one LED chip, a lens and a lampshade; the method is characterized in that: the LED chip is attached to one surface of the aluminum substrate and fixedly connected to the aluminum substrate, the other surface of the aluminum substrate is attached to the inner side wall surface of the lamp holder through silicone grease, and the aluminum substrate is fixedly connected to the lamp holder; the lens is fixedly connected to the lamp holder and covers the aluminum substrate and the at least one LED chip between the lens and the lamp holder, and the lampshade is fixedly connected to the lamp holder and covers the lens between the lampshade and the lamp holder; the lamp holder is characterized in that a plurality of radiating fins are arranged on the outer side wall surface of the lamp holder opposite to the other surface of the aluminum substrate, and the radiating fins and the lamp holder are integrally formed parts obtained by integrally performing thermoplastic forming on graphene phenolic resin materials.

Further, the lampshade is a polycarbonate lampshade.

Further, the lens is an organic glass lens.

Further, a cavity is arranged in the lamp holder, and the aluminum substrate and the at least one LED chip are located in the cavity.

Further, the lamp holder comprises a base and a boss arranged on the base, communicated cavities are arranged in the base and the boss, the aluminum substrate and the at least one LED chip are located in the cavity of the boss, the lens and the lamp shade are fixedly connected to the base, and the plurality of radiating fins are located on the boss.

Further, the plurality of radiating fins are perpendicular to the aluminum substrate.

Further, the base and the lampshade are circular, and the boss is square.

Further, the LED head lamp of the electric vehicle is used for a two-wheel or three-wheel electric vehicle.

The invention has the beneficial effects that:

1. the graphene heat-conducting plastic structure is adopted for heat dissipation, so that the heat dissipation effect is good;

2. the radiator and the lamp holder are integrally formed, and the manufacture is simple and convenient.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the present invention will be briefly introduced below, and it is apparent that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is an exploded view of an LED head lamp for an electric vehicle according to the present invention.

Fig. 2 is a schematic structural diagram of the lamp socket of the present invention.

Wherein, 1-lamp holder; 2-an aluminum substrate; 3-at least one LED chip; 4-a lens; 5-lamp shade; 6-a base; 7-a boss; 8-radiating fins.

Detailed Description

The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

The LED head lamp of the electric vehicle is used for a two-wheel or three-wheel electric vehicle.

Fig. 1 is an exploded schematic view of an LED head lamp for an electric vehicle according to an embodiment of the present invention, and as shown in fig. 1, the LED head lamp for an electric vehicle according to the present invention includes a lamp holder 1, an aluminum substrate 2, at least one LED chip 3, a lens 4, and a lamp cover 5. The lamp holder 1 is a fixing base of the whole LED head lamp and is used for fixing the aluminum substrate 2, the at least one LED chip 3, the lens 4 and the lampshade 5, and the lamp shade 5 and the LED chip and related accessories such as the aluminum substrate 2 and the lens 4 form a space for installing the LED chip. At least one LED chip 3 is operative to emit illumination of a desired intensity. The lens 4 is used for changing the light field distribution of the LED, and the using efficiency and the luminous efficiency of the light emitted by the LED are enhanced. The aluminum substrate 2 is used as a mounting base for the at least one LED chip 3, and conducts heat generated by the at least one LED chip 3 to the base and radiates the heat.

Fig. 2 is a schematic structural view of the lamp holder of the present invention, and as shown in fig. 1 and 2, the lamp holder 1 includes a base 6 and a boss 7 disposed on the base 6, and communicated cavities are disposed in the base 6 and the boss 7, and are used for disposing the at least one LED chip 3 and the aluminum substrate 2. The base 6 is circular, the boss 7 is square, and optionally, the base 6 and the boss 7 may have other shapes, which is not limited in the embodiment of the present invention.

The at least one LED chip 3 is attached to one surface of the aluminum substrate 2 and is fixedly connected to the aluminum substrate 2, so that the at least one LED chip 3 can conduct heat to the aluminum substrate 2, and the at least one LED chip 3 and the aluminum substrate 2 can be fixedly connected by mechanical connection, such as clamping, screw connection, or by chemical bonding, or by other connection methods.

The aluminum substrate 2 and the at least one LED chip 3 are disposed in the cavity of the boss 7, and the other surface of the aluminum substrate 2 (i.e., the surface opposite to the surface on which the at least one LED chip 3 is disposed) is attached to the wall surface of the cavity in the boss 7 through silicone grease, so that heat conducted from the at least one LED chip 3 to the aluminum substrate 2 can be efficiently conducted to the boss 7. The aluminum substrate 2 is fixedly connected in the boss 7, and the fixed connection mode may be mechanical connection, such as clamping connection, threaded connection, or chemical bonding, or other connection modes, which is not limited in the embodiment of the present invention.

The outer side wall surface of the boss 7 is provided with a plurality of radiating fins 8 at positions opposite to the other surface of the aluminum substrate 2, so that heat conducted to the aluminum substrate 2 can be directly conducted to the plurality of radiating fins 8 from the wall surface part of the cavity in the boss 7, which is pasted with the at least one LED chip 3, through the outer side wall surface of the boss 7, and the maximum heat conduction efficiency is convenient to obtain. Preferably, the plurality of heat dissipation fins 8 are perpendicular to the outer wall surface of the boss 7 opposite to the inner wall surface to which the aluminum substrate 2 is attached, that is, the plurality of heat dissipation fins 8 are perpendicular to the aluminum substrate 2, so that the heat dissipation effect of the plurality of heat dissipation fins 8 is better.

The plurality of radiating fins 8 and the lamp holder 1 are integrally formed by using a graphene phenolic resin material through integral thermoplastic molding, and the radiating structure of the obtained integrally formed part is a graphene thermal conductive plastic structure, so that the radiating effect is good; and the radiating fins 8 and the lamp holder 1 are integrally formed, so that the lamp holder is simple and convenient to manufacture.

The lens 4 is made of organic glass, the lens 4 is fixedly connected to the base 6, and the aluminum substrate 2 and the at least one LED chip 3 are covered between the lens 4 and the lamp holder 1. The lens 4 and the base 6 may be fixedly connected by a mechanical connection, such as a snap connection, a threaded connection, or a chemical bonding, or other connection methods, which is not limited in the embodiments of the present invention.

The material of lamp shade 5 is polycarbonate, lamp shade 5 can be for circular or other and the 6 shapes that match of base, including the cavity in certain space in the lamp shade 5, lamp shade 5 fixed connection be in on the base 6, simultaneously with lens 4 covers between lamp shade 5 and the lamp stand 1. The fixed connection between the lampshade 5 and the base 6 may be mechanical connection, such as clamping connection, threaded connection, or chemical bonding, or other connection methods, which is not limited in the embodiments of the present invention.

It should be understood that the form of the cavity for mounting the aluminum substrate 2, the at least one LED chip 3 and the lens 4 formed by the lamp holder 1 and the lamp shade 5 in cooperation can be changed, and is not limited to the above form of arranging the cavity in the lamp holder 1 and the lamp shade 5, but also can be formed by increasing the size of the cavity in the lamp holder 1 to accommodate the aluminum substrate 2, the at least one LED chip 3 and the lens 4, so that the cavity does not need to be arranged in the lamp shade 5, and the main body is a plate-shaped body connected to the lamp holder 1; the lamp holder 1 may have a plate-shaped body without a cavity, the space of the cavity in the lamp housing 5 may be increased to accommodate the aluminum substrate 2, the at least one LED chip 3, and the lens 4, and the lamp housing 5 may be connected to the plate-shaped lamp holder 1 to form an installation space.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.