CN215764929U

CN215764929U - Simple LED headlamp of electric bicycle

Info

Publication number: CN215764929U
Application number: CN202120750990.6U
Authority: CN
Inventors: 冯西芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2022-02-08
Anticipated expiration: 2031-04-06

Abstract

The utility model discloses a simple LED headlight of an electric bicycle, which belongs to the technical field of LED illumination and comprises a shell, wherein the rear part of the shell is provided with a heat conducting plate, the rear part of the heat conducting plate is provided with a resonant cavity, the front part of the heat conducting plate is provided with a cavity, an aluminum substrate and a high-power LED are arranged in the cavity and fixed on the heat conducting plate, the LED is arranged at the focus of an optical component, an optical reflecting cup and a transparent cover are arranged in the cavity and at the opening of the cavity or an optical lens is arranged at the opening of the cavity, the optical reflecting cup and the transparent cover are fixed by a fixed pressing plate, a horn bracket is arranged in the resonant cavity and fixed on the horn bracket, the horn bracket is fixed at the tail part of the shell, the resonant cavity, the heat conducting plate and the cavity are integrated aluminum structure shell, the heat dissipation performance is good, the horn whistle system of the resonant cavity is arranged at the rear part of the shell, and a reasonable optical illumination system is arranged in the cavity at the front part of the shell The sound is big, luminance is high, long-lived, is applicable to various simple and easy electric bicycle and miniature electric scooter.

Description

Simple LED headlamp of electric bicycle

The technical field is as follows:

the utility model belongs to the technical field of high-power LED lighting, relates to a vehicle lighting lamp, and particularly relates to a simple LED headlamp of an electric bicycle.

Background art:

the simple LED headlamp of the electric bicycle in the current market basically adopts national standards, and the performance is poor in heat dissipation and insufficient in brightness. According to the requirements of drivers at night, the vehicle lamp can be made to have high performance, high brightness and multiple functions on the premise of meeting national standards. The road condition can be clearly seen on rugged lanes, the safe driving is always a desire of drivers at night. To realize the desire, the effective heat dissipation area of the high-power LED must be increased, the heat collection is reduced, the working efficiency is improved, and meanwhile, the automobile lamp corresponding to the automobile type is small and exquisite and has the functions of horn whistle, rain water prevention and independent installation.

The utility model content is as follows:

the utility model aims to provide a simple LED headlamp of an electric bicycle, which can overcome the defects of poor heat dissipation, insufficient brightness and unreasonable structure of the existing miniature vehicle lamp, and solves the problem of serious light attenuation caused by poor heat dissipation of a high-power small-volume LED vehicle lamp.

The utility model is realized by the following technical scheme: the simple LED headlamp of the electric bicycle comprises a shell, wherein a heat conducting plate is arranged at the rear tail part of the shell, a cavity is arranged at the front part of the shell, the heat conducting plate and the cavity are of an integrated aluminum structure, a resonant cavity is arranged behind the heat conducting plate and is integrated with the shell, or a cavity support is arranged behind the heat conducting plate and is fixedly connected with the tail part of the shell, a high-power LED is arranged in front of the heat conducting plate, an optical lens is arranged at a cavity opening, or an optical reflection cup and a transparent cover are arranged in the cavity and at the cavity opening, and a fixing pressing plate is arranged around the optical lens or the optical reflection cup and the transparent cover.

In order to further realize the purpose of the utility model, the following technical scheme is adopted: the heat conducting plate is characterized in that a cavity support is arranged behind the heat conducting plate in the figure 2, a resonant cavity is arranged in the cavity support, a horn is arranged in the resonant cavity and fixed on the cavity support, the cavity support is fixedly connected with the tail of the shell, an aluminum substrate is arranged in front of the heat conducting plate, a driving circuit and a high-power LED are arranged on the aluminum substrate, or the aluminum substrate and the driving circuit are arranged behind the heat conducting plate, the aluminum substrate is fixed on the heat conducting plate, a copper substrate and the high-power LED are arranged in front of the heat conducting plate, the high-power LED is arranged on a focus of an optical component, an optical reflection cup is arranged in the cavity, a transparent cover is arranged at a cavity opening, or an optical lens is arranged at the cavity opening, a fixed pressing plate is arranged outside the transparent cover or the optical lens, wire inlet and outlet holes are formed below the shell, the heat conducting plate and the cavity support, radiating fins are arranged on the shell, and a support seat and a support hole are formed in the bottom of the shell.

The utility model has the beneficial effects that: the high-power LED is used as a vehicle solid light source, has the advantages of simple structure, firmness, reliability, safe and convenient use, high efficiency, long service life and the like, adopts an independent aluminum heat-radiating outer shell, effectively ventilates and radiates heat generated by the high-power LED in time, and thoroughly solves the problem of light attenuation of the high-power LED. The resonant cavity behind the shell and the shell are of an integrated aluminum structure, convenience is provided for designing the size of the heat dissipation area required by the power of the LED car lamp, the resonant cavity is ingeniously combined with the horn support, the resonant resonance of sound is achieved, the loudness and the whistle effect are increased, and the multifunctional high-quality miniature independent car lamp can be formed.

Description of the drawings:

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

FIG. 2 is another schematic structural view of the present invention;

the LED lamp comprises a shell 1, fins 2, a fixed pressing plate 3, a heat conducting plate 4, an aluminum substrate 5, an LED 6, an optical lens 7, a cavity 8, wire inlet and

outlet holes

9 and 10, a bracket hole 11, a bracket seat 12, a horn bracket 13, a sound outlet hole 14, a horn 15, a resonant cavity 16, a cavity bracket 18, an optical reflector 19 and a transparent cover 20,

the specific implementation mode is as follows:

as shown in fig. 1: the simple LED headlamp of the electric bicycle comprises a shell 1, a heat conducting plate 4 is arranged at the rear tail part of the shell 1, a cavity 8 is arranged at the front part of the heat conducting plate 4, the shell 1, the heat conducting plate 4 and the cavity 8 are of an integrated aluminum structure, a resonant cavity 16 is arranged at the rear part of the heat conducting plate 4 and is integrated with the shell 1, a horn 15 and a horn support 13 are arranged in the resonant cavity 16 and are bonded and fixed through silica gel, the horn support 13 is fixed on the tail part of the shell 1 through screws, an aluminum substrate 5 and a high-power LED 6 are arranged in the front part of the heat conducting plate 4 and are connected in a heat conducting mode, an optical lens 7 is arranged at the opening of the cavity 8, or an optical reflecting cup 19 and a transparent cover 20 are arranged in the cavity 8, a fixing pressing plate 3 is arranged around the optical lens 7 or the optical reflecting cup 19 and the transparent cover 20, and the fixing pressing plate 3 is fixed at the front part of the shell through screws.

As shown in fig. 2: the simple LED headlamp of the electric bicycle is characterized in that a cavity support 18 is arranged behind a heat conducting plate 4 and is made of plastic, a resonant cavity 16 is arranged in the cavity support 18, a loudspeaker 15 is arranged in the resonant cavity 16 and is fixedly bonded with the cavity support 18 through silica gel, a sound outlet hole 14 is arranged outside the loudspeaker 15, the cavity support 18 is fixed at the tail part of a shell 1 through screws, an aluminum substrate 5 and a high-power LED 6 are arranged in front of the heat conducting plate 4, the aluminum substrate 5 is fixed on the heat conducting plate 4, a driving circuit is arranged on the aluminum substrate 5 or is designed on the aluminum substrate behind the heat conducting plate 4, a copper substrate is arranged in front of the heat conducting plate 4 and is fixedly connected with the heat conducting plate 4 through heat conduction, the high-power LED 6 is arranged on the copper substrate and is electrically connected with a driving circuit lead behind the heat conducting plate 4, a transparent cover 20 is arranged in front of the cavity 8, and an optical reflecting cup 19 is arranged in the cavity 8, or the mouth end of the cavity 8 is provided with an optical lens 7, and the optical reflecting cup and the transparent cover or the optical lens are fixed as described in the figure 1. The optical components in the specification refer to an optical reflection cup and an optical lens.

In the two types of vehicle lamps in fig. 1, a resonant cavity 16 is integrally arranged at the tail part of a shell 1, so that the loudness of a horn is improved and the heat dissipation area is increased; in the two types of car lamps shown in the figure 2, a plastic cavity support 18 is additionally arranged at the tail part of a shell 1, a resonant cavity 16 is arranged in the cavity support 18, the tone quality and the loudness of a horn are improved, the heat dissipation area is reduced, the car lamp is simpler to assemble and install than the conventional car lamp, and when a vehicle runs, air flow blows to fins 2 of a shell to achieve the purpose of efficient heat dissipation.

Claims

1. Simple and easy electric bicycle LED headlight, including casing (1), the afterbody is equipped with heat-conducting plate (4) behind casing (1), and the front portion is equipped with cavity (8), and casing (1), heat-conducting plate (4) and cavity aluminium matter structure as an organic whole, its characterized in that: a resonant cavity (16) is arranged behind the heat conducting plate (4) and is integrated with the shell (1), or a cavity bracket (18) is arranged behind the heat conducting plate (4).

2. The simple electric bicycle LED headlight as claimed in claim 1, wherein: a loudspeaker (15) and a loudspeaker support (13) are arranged in the resonant cavity (16), the loudspeaker is fixed on the loudspeaker support, and the loudspeaker support (13) is fixedly connected with the rear part of the resonant cavity (16).

3. The simple electric bicycle LED headlamp according to claim 1 or 2, characterized in that: the front of the heat conducting plate (4) is provided with a high-power LED (6), the opening of the cavity (8) is provided with an optical lens (7) or an optical reflecting cup (19) and a transparent cover (20) are arranged in the cavity (8).

4. The simple electric bicycle LED headlight as claimed in claim 1, wherein: a resonant cavity (16) is arranged in the cavity support (18), a loudspeaker (15) is arranged in the resonant cavity (16), the loudspeaker (15) is fixed on the cavity support, and the cavity support (18) is fixedly connected with the tail of the shell (1).

5. The simple electric bicycle LED headlight as claimed in claim 4, wherein: an aluminum substrate (5) is arranged in front of the heat conducting plate (4), and a driving circuit and a high-power LED (6) are arranged on the aluminum substrate (5).

6. The simple electric bicycle LED headlight as claimed in claim 4, wherein: an aluminum substrate and a driving circuit are arranged behind the heat conducting plate (4), and a copper substrate and a high-power LED (6) are arranged in front of the heat conducting plate.

7. The simple electric bicycle LED headlamp according to claim 5 or 6, characterized in that: an optical reflection cup (19) is arranged in the cavity (8), a transparent cover (20) is arranged at the opening of the cavity (8), or an optical lens (7) is arranged at the opening of the cavity (8).

8. The simple electric bicycle LED headlight as claimed in claim 7, wherein: the transparent cover (20) or the optical lens (7) is externally provided with a fixed pressing plate (3).

9. The simple electric bicycle LED headlight as claimed in claim 1, wherein: inlet and outlet wire holes (9) and (10) are arranged under the shell (1), the heat conducting plate (4) and the cavity bracket (18).

10. The simple electric bicycle LED headlight as claimed in claim 1, wherein: the fin (2) is arranged on the shell (1), and the bracket base (12) and the bracket hole (11) are arranged at the bottom.