CN212746306U

CN212746306U - High-power automobile LED lamp structure

Info

Publication number: CN212746306U
Application number: CN202021282304.9U
Authority: CN
Inventors: 牛青坡
Original assignee: Guangzhou Lite Electronics Technology Co ltd
Current assignee: Guangzhou Lite Electronics Technology Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-19
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a LED lighting technical field, in particular to a high-power automobile LED lamp structure, which comprises a lamp body, wherein the lamp body comprises a buckle, a radiator, an LED substrate, a switching circuit board, a radiator fan, a fan protective cover and a rubber ring, the radiator comprises an upper radiator and a lower radiator, a driving integrated circuit IC and an LED lamp bead are arranged on the side surface of the LED substrate, the LED substrate is arranged between the upper radiator and the lower radiator, the upper radiator and the lower radiator are connected by a first screw, the switching circuit board is welded at the rear end of the LED substrate, the utility model is mainly characterized in that the power is high, the performance is stable, the volume is small, the installation adaptability is high, the cost is low, the production efficiency is high, the heat conducting devices such as a heating pipe and the like are not increased, the built-in structure of the driving circuit board is realized under the condition that the rotating speed of, the normal temperature working power can be more than 40 watts.

Description

High-power automobile LED lamp structure

Technical Field

The utility model relates to a LED lighting technology field specifically is a high-power car LED lamp structure.

Background

The LED lamp is a vehicle lamp using an LED (light emitting diode) as a light source. Because the LED has the characteristics of high brightness, rich color types, low power consumption and long service life, the LED is more and more popular in the market, and the LED is widely applied to the field of automobiles.

At present, LED automobile headlamps generally adopt two structures: the first driving circuit is separated from the LED substrate, the substrate wraps the inside of the radiator, the driving circuit is independent outside the radiator and is connected with the radiator through a power line, and the driving circuit occupies an installation space in an extruding mode and is not suitable for some vehicle types; the other driving circuit is also separated from the LED substrate, but is wrapped in the heat radiator like the substrate, and the defects are that the driving circuit is not high in efficiency, the total LED power is low, and the power can only be below 30W, if high power is realized, expensive devices such as heat pipes need to be added, so that the cost is greatly increased, or the rotating speed of a cooling fan is greatly increased, so that the service life of the fan is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-power car LED lamp structure to the external drive structure type installation suitability of traditional car LED lamp that proposes in solving above-mentioned background is poor, and built-in drive structure type power can not be the high problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-power automobile LED lamp structure, includes the lamp body, the lamp body includes buckle, radiator, LED base plate, switching circuit board, radiator fan, fan safety cover, rubber ring, the radiator includes first radiator and second radiator, LED base plate side-mounting has drive integrated circuit IC and LED lamp pearl, the LED base plate is installed between first radiator and second radiator, through first screw connection between first radiator and the second radiator, the welding of LED base plate rear end has switching circuit board, there is radiator fan the radiator rear side through second screw connection, the fan safety cover is installed in the radiator fan outside, radiator front end joint has the buckle, install the rubber ring between buckle and the radiator, switching circuit board side-mounting has the power cord.

Preferably, the fins are unfolded at the tail of the radiator and are in a sunflower shape.

Preferably, the LED substrate is a copper substrate.

Preferably, the heat sink is an aluminum heat sink.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the utility model is mainly characterized in that the power is high, the performance is stable, the volume is small, the installation adaptability is high, the cost is low, the production efficiency is high, the built-in structure of the driving circuit board is realized under the condition of not increasing the volume of the radiator, the heat conducting devices such as heating pipes and the like and the rotating speed of the fan, and the normal temperature working power can be more than 40 watts;

2) the switching circuit board is used for connecting the LED lamp beads on the two sides of the LED substrate, the drive integrated circuit IC and the power line;

3) the two sides of the LED substrate are in large-area contact with the radiator, and the fins are unfolded at the tail of the radiator to be in a sunflower shape, so that the radiating area is maximized, and the radiating effect is improved.

Drawings

Fig. 1 is an explosion diagram of the present invention.

In the figure: the LED lamp comprises a fastener 1, a first screw 2, an upper half radiator 3, an LED substrate 4, a switching circuit board 5, a heat radiation fan 6, a second screw 7, a fan protection cover 8, a power line 9, a lower half radiator 10 and a rubber ring 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1, the present invention provides a technical solution: a high-power automobile LED lamp structure comprises a lamp body, wherein the lamp body comprises a buckle 1, a radiator, an LED substrate 4, a switching circuit board 5, a radiating fan 6, a fan protective cover 8 and a rubber ring 11, the radiator comprises an upper radiator 3 and a lower radiator 10, a drive integrated circuit IC and an LED lamp bead are installed on the side surface of the LED substrate 4, the LED substrate 4 and an LED adopt a thermoelectric separation technology, a copper substrate 4 is directly communicated with an LED radiating welding disc, so that the thermal resistance between the LED and the radiator is the lowest, the drive integrated circuit IC has constant current and temperature control functions, and is welded on the LED substrate 4 together with the LED, the working temperature of the LED can be rapidly sensed, the working state can be regulated, when the working temperature of the LED reaches or approaches the junction temperature of the LED, the current passing through the LED is rapidly and automatically reduced, so that the protective effect is achieved, the service life of the LED lamp bead is greatly prolonged, the LED substrate 4 is installed between the upper radiator, 4 both sides of LED base plate face cooling surface evenly coats heat conduction silicone grease, increases the heat conductivity, LED base plate 4 and first radiator 3, the equal contact of second radiator 10, first radiator 3 and second radiator 10 between be connected through first screw 2, the welding of 4 rear ends of LED base plate has switching circuit board 5, and switching circuit board 5 is used for connecting LED lamp pearl and drive integrated circuit IC and the power cord 9 of 4 both sides of LED base plate, the radiator rear side is connected with radiator fan 6 through second screw 7, fan safety cover 8 is installed in the 6 outsides of radiator fan, the radiator front end joint has buckle 1, install rubber ring 11 between buckle 1 and the radiator, switching circuit board 5 side-mounting has power cord 9.

The fins are unfolded at the tail of the radiator and are in a sunflower shape, so that the radiating area is maximized.

The LED substrate 4 is a copper substrate, and has a good heat conduction effect.

The radiator is an aluminum radiator, so that the heat conduction effect is good, and the heat radiation is convenient.

The working principle is as follows: the LED heat dissipation device comprises a driving circuit integrated IC (integrated circuit) and LED lamp beads, wherein the driving circuit integrated IC and the LED lamp beads are attached to an LED substrate 4 together, the LED substrate 4 and the LED adopt a thermoelectric separation technology, a base body of the LED substrate 4 is directly communicated with an LED heat dissipation welding disc, so that the thermal resistance between the LED and a heat sink is lowest, two sides of the LED substrate 4 are in large-area contact with an aluminum heat sink, unfolded fins at the tail part of the heat sink are in a sunflower shape, the heat dissipation area is maximized, a heat dissipation fan 6 is arranged at the tail part of the heat sink and blows air from the middle of the fins of the heat sink, so that the heat is rapidly taken away, the temperature of the heat sink is reduced, a heat dissipation switching circuit 5 board is responsible for connecting the LED lamp beads at two sides of the LED substrate 4, the driving circuit integrated IC and a power wire 9, the driving circuit integrated IC has constant-, thereby the automatic electric current that reduces through LED rapidly plays the guard action, prolongs the working life of LED lamp pearl greatly.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-power car LED lamp structure, includes the lamp body, its characterized in that: the LED lamp comprises a buckle (1), a radiator, an LED substrate (4), a switching circuit board (5), a radiating fan (6), a fan protective cover (8) and a rubber ring (11), wherein the radiator comprises a first radiator (3) and a second radiator (10), a drive Integrated Circuit (IC) and an LED lamp bead are installed on the side surface of the LED substrate (4), the LED substrate (4) is installed between the first radiator (3) and the second radiator (10), the first radiator (3) and the second radiator (10) are connected through a first screw (2), the switching circuit board (5) is welded at the rear end of the LED substrate (4), the radiating fan (6) is connected to the rear side of the radiator through a second screw (7), the fan protective cover (8) is installed on the outer side of the radiating fan (6), and the buckle (1) is connected to the front end of the radiator in a clamping manner, install rubber ring (11) between buckle (1) and the radiator, power cord (9) are installed to switching circuit board (5) side.

2. The LED lamp structure for the high-power automobile according to claim 1, wherein: the fins are unfolded at the tail of the radiator and are in a sunflower shape.

3. The LED lamp structure for the high-power automobile according to claim 1, wherein: the LED substrate (4) is a copper substrate.

4. The LED lamp structure for the high-power automobile according to claim 1, wherein: the radiator is an aluminum radiator.